From bab14f0dd2345c9d7dcbc47c918563709e1ac094 Mon Sep 17 00:00:00 2001 From: peavey Date: Mon, 16 Jul 2007 17:14:45 +0000 Subject: 'svn propset -R svn:eol-style CR *' Set to UNIX-style always. Binaries are auto skipped by svn. git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7454 e03df62e-2008-0410-955e-edbf42e46eb7 --- src/modules/m_spanningtree/README | 25 +- src/modules/m_spanningtree/handshaketimer.cpp | 63 +- src/modules/m_spanningtree/handshaketimer.h | 38 +- src/modules/m_spanningtree/link.h | 43 +- src/modules/m_spanningtree/main.cpp | 1393 +--------------------- src/modules/m_spanningtree/main.h | 199 +--- src/modules/m_spanningtree/rconnect.cpp | 68 +- src/modules/m_spanningtree/rconnect.h | 29 +- src/modules/m_spanningtree/resolvers.cpp | 89 +- src/modules/m_spanningtree/resolvers.h | 91 +- src/modules/m_spanningtree/rsquit.cpp | 124 +- src/modules/m_spanningtree/rsquit.h | 30 +- src/modules/m_spanningtree/timesynctimer.cpp | 53 +- src/modules/m_spanningtree/timesynctimer.h | 48 +- src/modules/m_spanningtree/treeserver.cpp | 326 +----- src/modules/m_spanningtree/treeserver.h | 187 +-- src/modules/m_spanningtree/treesocket.h | 414 +------ src/modules/m_spanningtree/treesocket1.cpp | 1274 +------------------- src/modules/m_spanningtree/treesocket2.cpp | 1555 +------------------------ src/modules/m_spanningtree/utils.cpp | 650 +---------- src/modules/m_spanningtree/utils.h | 195 +--- 21 files changed, 21 insertions(+), 6873 deletions(-) (limited to 'src/modules/m_spanningtree') diff --git a/src/modules/m_spanningtree/README b/src/modules/m_spanningtree/README index ff23e0381..76c678c1f 100644 --- a/src/modules/m_spanningtree/README +++ b/src/modules/m_spanningtree/README @@ -1,24 +1 @@ -m_spanningtree --------------- - -This directory contains all files required to build the m_spanningtree.so module. -Directories like this one starting with m_ and containing .cpp files are aggregated -together by the makefile to form a single .so, with the same name as the directory. - -This directory contains the following files: - -* handshaketimer.cpp Code for detecting end of ziplink/ssl handshake -* handshaketimer.h Header for above code -* link.h Contains the definition of the Link block class -* main.cpp The main group of classes and code for the module class -* main.h The header for the main file -* resolvers.h The header file that defines certain DNS utility classes -* treesocket.cpp Contains code that inherits InspSocket into a server socket -* treesocket.h Header definitions for above code -* treeserver.cpp Contains code that defines the behaviour of a single server -* treeserver.h Header definitions for above code -* utils.cpp Contains general and message routing utility classes -* utils.h Header code for general and message routing utilities - -Have fun - -- Brain :-) +m_spanningtree -------------- This directory contains all files required to build the m_spanningtree.so module. Directories like this one starting with m_ and containing .cpp files are aggregated together by the makefile to form a single .so, with the same name as the directory. This directory contains the following files: * handshaketimer.cpp Code for detecting end of ziplink/ssl handshake * handshaketimer.h Header for above code * link.h Contains the definition of the Link block class * main.cpp The main group of classes and code for the module class * main.h The header for the main file * resolvers.h The header file that defines certain DNS utility classes * treesocket.cpp Contains code that inherits InspSocket into a server socket * treesocket.h Header definitions for above code * treeserver.cpp Contains code that defines the behaviour of a single server * treeserver.h Header definitions for above code * utils.cpp Contains general and message routing utility classes * utils.h Header code for general and message routing utilities Have fun -- Brain :-) \ No newline at end of file diff --git a/src/modules/m_spanningtree/handshaketimer.cpp b/src/modules/m_spanningtree/handshaketimer.cpp index 4aeb1da88..93856f467 100644 --- a/src/modules/m_spanningtree/handshaketimer.cpp +++ b/src/modules/m_spanningtree/handshaketimer.cpp @@ -1,62 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" -#include "m_spanningtree/handshaketimer.h" - -/* $ModDep: m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ - -HandshakeTimer::HandshakeTimer(InspIRCd* Inst, TreeSocket* s, Link* l, SpanningTreeUtilities* u, int delay) : InspTimer(delay, time(NULL)), Instance(Inst), sock(s), lnk(l), Utils(u) -{ - thefd = sock->GetFd(); -} - -void HandshakeTimer::Tick(time_t TIME) -{ - if (Instance->SE->GetRef(thefd) == sock) - { - if (!sock->GetHook()) - { - sock->SendCapabilities(); - } - else - { - if (sock->GetHook() && InspSocketHSCompleteRequest(sock, (Module*)Utils->Creator, sock->GetHook()).Send()) - { - InspSocketAttachCertRequest(sock, (Module*)Utils->Creator, sock->GetHook()).Send(); - sock->SendCapabilities(); - } - else - { - Instance->Timers->AddTimer(new HandshakeTimer(Instance, sock, lnk, Utils, 1)); - } - } - } -} - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" #include "m_spanningtree/handshaketimer.h" /* $ModDep: m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ HandshakeTimer::HandshakeTimer(InspIRCd* Inst, TreeSocket* s, Link* l, SpanningTreeUtilities* u, int delay) : InspTimer(delay, time(NULL)), Instance(Inst), sock(s), lnk(l), Utils(u) { thefd = sock->GetFd(); } void HandshakeTimer::Tick(time_t TIME) { if (Instance->SE->GetRef(thefd) == sock) { if (!sock->GetHook()) { sock->SendCapabilities(); } else { if (sock->GetHook() && InspSocketHSCompleteRequest(sock, (Module*)Utils->Creator, sock->GetHook()).Send()) { InspSocketAttachCertRequest(sock, (Module*)Utils->Creator, sock->GetHook()).Send(); sock->SendCapabilities(); } else { Instance->Timers->AddTimer(new HandshakeTimer(Instance, sock, lnk, Utils, 1)); } } } } \ No newline at end of file diff --git a/src/modules/m_spanningtree/handshaketimer.h b/src/modules/m_spanningtree/handshaketimer.h index 496102dda..e94fe67d7 100644 --- a/src/modules/m_spanningtree/handshaketimer.h +++ b/src/modules/m_spanningtree/handshaketimer.h @@ -1,37 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __HANDSHAKE_TIMER_H__ -#define __HANDSHAKE_TIMER_H__ - -#include "inspircd.h" -#include "timer.h" - -class SpanningTreeUtilities; -class TreeSocket; -class Link; - -class HandshakeTimer : public InspTimer -{ - private: - InspIRCd* Instance; - TreeSocket* sock; - Link* lnk; - SpanningTreeUtilities* Utils; - int thefd; - public: - HandshakeTimer(InspIRCd* Inst, TreeSocket* s, Link* l, SpanningTreeUtilities* u, int delay); - virtual void Tick(time_t TIME); -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __HANDSHAKE_TIMER_H__ #define __HANDSHAKE_TIMER_H__ #include "inspircd.h" #include "timer.h" class SpanningTreeUtilities; class TreeSocket; class Link; class HandshakeTimer : public InspTimer { private: InspIRCd* Instance; TreeSocket* sock; Link* lnk; SpanningTreeUtilities* Utils; int thefd; public: HandshakeTimer(InspIRCd* Inst, TreeSocket* s, Link* l, SpanningTreeUtilities* u, int delay); virtual void Tick(time_t TIME); }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/link.h b/src/modules/m_spanningtree/link.h index 3de326153..9636d565f 100644 --- a/src/modules/m_spanningtree/link.h +++ b/src/modules/m_spanningtree/link.h @@ -1,42 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __LINK_H__ -#define __LINK_H__ - -/** The Link class might as well be a struct, - * but this is C++ and we don't believe in structs (!). - * It holds the entire information of one - * tag from the main config file. We maintain a list - * of them, and populate the list on rehash/load. - */ -class Link : public classbase -{ - public: - irc::string Name; - std::string IPAddr; - int Port; - std::string SendPass; - std::string RecvPass; - std::string AllowMask; - unsigned long AutoConnect; - time_t NextConnectTime; - bool HiddenFromStats; - std::string FailOver; - std::string Hook; - int Timeout; - std::string Bind; - bool Hidden; -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __LINK_H__ #define __LINK_H__ /** The Link class might as well be a struct, * but this is C++ and we don't believe in structs (!). * It holds the entire information of one * tag from the main config file. We maintain a list * of them, and populate the list on rehash/load. */ class Link : public classbase { public: irc::string Name; std::string IPAddr; int Port; std::string SendPass; std::string RecvPass; std::string AllowMask; unsigned long AutoConnect; time_t NextConnectTime; bool HiddenFromStats; std::string FailOver; std::string Hook; int Timeout; std::string Bind; bool Hidden; }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/main.cpp b/src/modules/m_spanningtree/main.cpp index 1cc18dae6..352cae870 100644 --- a/src/modules/m_spanningtree/main.cpp +++ b/src/modules/m_spanningtree/main.cpp @@ -1,1392 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -/* $ModDesc: Provides a spanning tree server link protocol */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/timesynctimer.h" -#include "m_spanningtree/resolvers.h" -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" -#include "m_spanningtree/rconnect.h" -#include "m_spanningtree/rsquit.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rconnect.h m_spanningtree/rsquit.h */ - -ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me) - : Module(Me), max_local(0), max_global(0) -{ - ServerInstance->UseInterface("InspSocketHook"); - Utils = new SpanningTreeUtilities(Me, this); - command_rconnect = new cmd_rconnect(ServerInstance, this, Utils); - ServerInstance->AddCommand(command_rconnect); - command_rsquit = new cmd_rsquit(ServerInstance, this, Utils); - ServerInstance->AddCommand(command_rsquit); - if (Utils->EnableTimeSync) - { - SyncTimer = new TimeSyncTimer(ServerInstance, this); - ServerInstance->Timers->AddTimer(SyncTimer); - } - else - SyncTimer = NULL; - - RefreshTimer = new CacheRefreshTimer(ServerInstance, Utils); - ServerInstance->Timers->AddTimer(RefreshTimer); -} - -void ModuleSpanningTree::ShowLinks(TreeServer* Current, userrec* user, int hops) -{ - std::string Parent = Utils->TreeRoot->GetName(); - if (Current->GetParent()) - { - Parent = Current->GetParent()->GetName(); - } - for (unsigned int q = 0; q < Current->ChildCount(); q++) - { - if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str())))) - { - if (*user->oper) - { - ShowLinks(Current->GetChild(q),user,hops+1); - } - } - else - { - ShowLinks(Current->GetChild(q),user,hops+1); - } - } - /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */ - if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user))) - return; - /* Or if the server is hidden and they're not an oper */ - else if ((Current->Hidden) && (!IS_OPER(user))) - return; - - user->WriteServ("364 %s %s %s :%d %s", user->nick,Current->GetName().c_str(), - (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(), - (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops, - Current->GetDesc().c_str()); -} - -int ModuleSpanningTree::CountLocalServs() -{ - return Utils->TreeRoot->ChildCount(); -} - -int ModuleSpanningTree::CountServs() -{ - return Utils->serverlist.size(); -} - -void ModuleSpanningTree::HandleLinks(const char** parameters, int pcnt, userrec* user) -{ - ShowLinks(Utils->TreeRoot,user,0); - user->WriteServ("365 %s * :End of /LINKS list.",user->nick); - return; -} - -void ModuleSpanningTree::HandleLusers(const char** parameters, int pcnt, userrec* user) -{ - unsigned int n_users = ServerInstance->UserCount(); - - /* Only update these when someone wants to see them, more efficient */ - if ((unsigned int)ServerInstance->LocalUserCount() > max_local) - max_local = ServerInstance->LocalUserCount(); - if (n_users > max_global) - max_global = n_users; - - unsigned int ulined_count = 0; - unsigned int ulined_local_count = 0; - - /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden, - * locally and globally (locally means directly connected to us) - */ - if ((Utils->HideULines) && (!*user->oper)) - { - for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++) - { - if (ServerInstance->ULine(q->second->GetName().c_str())) - { - ulined_count++; - if (q->second->GetParent() == Utils->TreeRoot) - ulined_local_count++; - } - } - } - user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,n_users-ServerInstance->InvisibleUserCount(),ServerInstance->InvisibleUserCount(),ulined_count ? this->CountServs() - ulined_count : this->CountServs()); - if (ServerInstance->OperCount()) - user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount()); - if (ServerInstance->UnregisteredUserCount()) - user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount()); - if (ServerInstance->ChannelCount()) - user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount()); - user->WriteServ("255 %s :I have %d clients and %d servers",user->nick,ServerInstance->LocalUserCount(),ulined_local_count ? this->CountLocalServs() - ulined_local_count : this->CountLocalServs()); - user->WriteServ("265 %s :Current Local Users: %d Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local); - user->WriteServ("266 %s :Current Global Users: %d Max: %d",user->nick,n_users,max_global); - return; -} - -std::string ModuleSpanningTree::TimeToStr(time_t secs) -{ - time_t mins_up = secs / 60; - time_t hours_up = mins_up / 60; - time_t days_up = hours_up / 24; - secs = secs % 60; - mins_up = mins_up % 60; - hours_up = hours_up % 24; - return ((days_up ? (ConvToStr(days_up) + "d") : std::string("")) - + (hours_up ? (ConvToStr(hours_up) + "h") : std::string("")) - + (mins_up ? (ConvToStr(mins_up) + "m") : std::string("")) - + ConvToStr(secs) + "s"); -} - -const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current) -{ - time_t secs_up = ServerInstance->Time() - Current->age; - return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"s]"); -} - -// WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS. -void ModuleSpanningTree::ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers) -{ - if (line < 128) - { - for (int t = 0; t < depth; t++) - { - matrix[line][t] = ' '; - } - // For Aligning, we need to work out exactly how deep this thing is, and produce - // a 'Spacer' String to compensate. - char spacer[40]; - memset(spacer,' ',40); - if ((40 - Current->GetName().length() - depth) > 1) { - spacer[40 - Current->GetName().length() - depth] = '\0'; - } - else - { - spacer[5] = '\0'; - } - float percent; - char text[128]; - /* Neat and tidy default values, as we're dealing with a matrix not a simple string */ - memset(text, 0, 128); - - if (ServerInstance->clientlist->size() == 0) { - // If there are no users, WHO THE HELL DID THE /MAP?!?!?! - percent = 0; - } - else - { - percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist->size()) * 100; - } - const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : ""; - snprintf(text, 126, "%s %s%5d [%5.2f%%]%s", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent, operdata.c_str()); - totusers += Current->GetUserCount(); - totservers++; - strlcpy(&matrix[line][depth],text,126); - line++; - for (unsigned int q = 0; q < Current->ChildCount(); q++) - { - if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str())))) - { - if (*user->oper) - { - ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers); - } - } - else - { - ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers); - } - } - } -} - -int ModuleSpanningTree::HandleMotd(const char** parameters, int pcnt, userrec* user) -{ - if (pcnt > 0) - { - if (match(ServerInstance->Config->ServerName, parameters[0])) - return 0; - - /* Remote MOTD, the server is within the 1st parameter */ - std::deque params; - params.push_back(parameters[0]); - /* Send it out remotely, generate no reply yet */ - TreeServer* s = Utils->FindServerMask(parameters[0]); - if (s) - { - params[0] = s->GetName(); - Utils->DoOneToOne(user->nick, "MOTD", params, s->GetName()); - } - else - user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]); - return 1; - } - return 0; -} - -int ModuleSpanningTree::HandleAdmin(const char** parameters, int pcnt, userrec* user) -{ - if (pcnt > 0) - { - if (match(ServerInstance->Config->ServerName, parameters[0])) - return 0; - - /* Remote ADMIN, the server is within the 1st parameter */ - std::deque params; - params.push_back(parameters[0]); - /* Send it out remotely, generate no reply yet */ - TreeServer* s = Utils->FindServerMask(parameters[0]); - if (s) - { - params[0] = s->GetName(); - Utils->DoOneToOne(user->nick, "ADMIN", params, s->GetName()); - } - else - user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]); - return 1; - } - return 0; -} - -int ModuleSpanningTree::HandleModules(const char** parameters, int pcnt, userrec* user) -{ - if (pcnt > 0) - { - if (match(ServerInstance->Config->ServerName, parameters[0])) - return 0; - - std::deque params; - params.push_back(parameters[0]); - TreeServer* s = Utils->FindServerMask(parameters[0]); - if (s) - { - params[0] = s->GetName(); - Utils->DoOneToOne(user->nick, "MODULES", params, s->GetName()); - } - else - user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]); - return 1; - } - return 0; -} - -int ModuleSpanningTree::HandleStats(const char** parameters, int pcnt, userrec* user) -{ - if (pcnt > 1) - { - if (match(ServerInstance->Config->ServerName, parameters[1])) - return 0; - - /* Remote STATS, the server is within the 2nd parameter */ - std::deque params; - params.push_back(parameters[0]); - params.push_back(parameters[1]); - /* Send it out remotely, generate no reply yet */ - - TreeServer* s = Utils->FindServerMask(parameters[1]); - if (s) - { - params[1] = s->GetName(); - Utils->DoOneToOne(user->nick, "STATS", params, s->GetName()); - } - else - { - user->WriteServ( "402 %s %s :No such server", user->nick, parameters[1]); - } - return 1; - } - return 0; -} - -// Ok, prepare to be confused. -// After much mulling over how to approach this, it struck me that -// the 'usual' way of doing a /MAP isnt the best way. Instead of -// keeping track of a ton of ascii characters, and line by line -// under recursion working out where to place them using multiplications -// and divisons, we instead render the map onto a backplane of characters -// (a character matrix), then draw the branches as a series of "L" shapes -// from the nodes. This is not only friendlier on CPU it uses less stack. -void ModuleSpanningTree::HandleMap(const char** parameters, int pcnt, userrec* user) -{ - // This array represents a virtual screen which we will - // "scratch" draw to, as the console device of an irc - // client does not provide for a proper terminal. - float totusers = 0; - float totservers = 0; - char matrix[128][128]; - for (unsigned int t = 0; t < 128; t++) - { - matrix[t][0] = '\0'; - } - line = 0; - // The only recursive bit is called here. - ShowMap(Utils->TreeRoot,user,0,matrix,totusers,totservers); - // Process each line one by one. The algorithm has a limit of - // 128 servers (which is far more than a spanning tree should have - // anyway, so we're ok). This limit can be raised simply by making - // the character matrix deeper, 128 rows taking 10k of memory. - for (int l = 1; l < line; l++) - { - // scan across the line looking for the start of the - // servername (the recursive part of the algorithm has placed - // the servers at indented positions depending on what they - // are related to) - int first_nonspace = 0; - while (matrix[l][first_nonspace] == ' ') - { - first_nonspace++; - } - first_nonspace--; - // Draw the `- (corner) section: this may be overwritten by - // another L shape passing along the same vertical pane, becoming - // a |- (branch) section instead. - matrix[l][first_nonspace] = '-'; - matrix[l][first_nonspace-1] = '`'; - int l2 = l - 1; - // Draw upwards until we hit the parent server, causing possibly - // other corners (`-) to become branches (|-) - while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`')) - { - matrix[l2][first_nonspace-1] = '|'; - l2--; - } - } - // dump the whole lot to the user. This is the easy bit, honest. - for (int t = 0; t < line; t++) - { - user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]); - } - float avg_users = totusers / totservers; - user->WriteServ("270 %s :%.0f server%s and %.0f user%s, average %.2f users per server",user->nick,totservers,(totservers > 1 ? "s" : ""),totusers,(totusers > 1 ? "s" : ""),avg_users); - user->WriteServ("007 %s :End of /MAP",user->nick); - return; -} - -int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user) -{ - TreeServer* s = Utils->FindServerMask(parameters[0]); - if (s) - { - if (s == Utils->TreeRoot) - { - user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]); - return 1; - } - TreeSocket* sock = s->GetSocket(); - if (sock) - { - ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick); - sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost()); - ServerInstance->SE->DelFd(sock); - sock->Close(); - } - else - { - if (IS_LOCAL(user)) - user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick); - } - } - else - { - user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]); - } - return 1; -} - -int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user) -{ - if ((IS_LOCAL(user)) && (pcnt)) - { - TreeServer* found = Utils->FindServerMask(parameters[0]); - if (found) - { - // we dont' override for local server - if (found == Utils->TreeRoot) - return 0; - - std::deque params; - params.push_back(found->GetName()); - params.push_back(user->nick); - Utils->DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName()); - } - else - { - user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]); - } - } - return 1; -} - -int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user) -{ - if ((IS_LOCAL(user)) && (pcnt > 1)) - { - userrec* remote = ServerInstance->FindNick(parameters[1]); - if ((remote) && (remote->GetFd() < 0)) - { - std::deque params; - params.push_back(parameters[1]); - Utils->DoOneToOne(user->nick,"IDLE",params,remote->server); - return 1; - } - else if (!remote) - { - user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]); - user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]); - return 1; - } - } - return 0; -} - -void ModuleSpanningTree::DoPingChecks(time_t curtime) -{ - for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++) - { - TreeServer* serv = Utils->TreeRoot->GetChild(j); - TreeSocket* sock = serv->GetSocket(); - if (sock) - { - if (curtime >= serv->NextPingTime()) - { - if (serv->AnsweredLastPing()) - { - sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName()); - serv->SetNextPingTime(curtime + 60); - serv->LastPing = curtime; - serv->Warned = false; - } - else - { - /* they didnt answer, boot them */ - sock->SendError("Ping timeout"); - sock->Squit(serv,"Ping timeout"); - /*** XXX SOCKET CULL ***/ - return; - } - } - else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (60 - Utils->PingWarnTime)) && (!serv->AnsweredLastPing())) - { - /* The server hasnt responded, send a warning to opers */ - ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime); - serv->Warned = true; - } - } - } - - /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data. - * This prevents lost REMOTECONNECT notices - */ - for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++) - Utils->SetRemoteBursting(i->second, false); -} - -void ModuleSpanningTree::ConnectServer(Link* x) -{ - bool ipvalid = true; - QueryType start_type = DNS_QUERY_A; -#ifdef IPV6 - start_type = DNS_QUERY_AAAA; - if (strchr(x->IPAddr.c_str(),':')) - { - in6_addr n; - if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1) - ipvalid = false; - } - else -#endif - { - in_addr n; - if (inet_aton(x->IPAddr.c_str(),&n) < 1) - ipvalid = false; - } - - /* Do we already have an IP? If so, no need to resolve it. */ - if (ipvalid) - { - /* Gave a hook, but it wasnt one we know */ - if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end())) - return; - TreeSocket* newsocket = new TreeSocket(Utils, ServerInstance, x->IPAddr,x->Port,false,x->Timeout ? x->Timeout : 10,x->Name.c_str(), x->Bind, x->Hook.empty() ? NULL : Utils->hooks[x->Hook.c_str()]); - if (newsocket->GetFd() > -1) - { - /* Handled automatically on success */ - } - else - { - ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno)); - delete newsocket; - Utils->DoFailOver(x); - } - } - else - { - try - { - bool cached; - ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type); - ServerInstance->AddResolver(snr, cached); - } - catch (ModuleException& e) - { - ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason()); - Utils->DoFailOver(x); - } - } -} - -void ModuleSpanningTree::AutoConnectServers(time_t curtime) -{ - for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) - { - if ((x->AutoConnect) && (curtime >= x->NextConnectTime)) - { - x->NextConnectTime = curtime + x->AutoConnect; - TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str()); - if (x->FailOver.length()) - { - TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str()); - if (CheckFailOver) - { - /* The failover for this server is currently a member of the network. - * The failover probably succeeded, where the main link did not. - * Don't try the main link until the failover is gone again. - */ - continue; - } - } - if (!CheckDupe) - { - // an autoconnected server is not connected. Check if its time to connect it - ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect); - this->ConnectServer(&(*x)); - } - } - } -} - -int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user) -{ - // we've already checked if pcnt > 0, so this is safe - TreeServer* found = Utils->FindServerMask(parameters[0]); - if (found) - { - std::string Version = found->GetVersion(); - user->WriteServ("351 %s :%s",user->nick,Version.c_str()); - if (found == Utils->TreeRoot) - { - ServerInstance->Config->Send005(user); - } - } - else - { - user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]); - } - return 1; -} - -int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user) -{ - for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) - { - if (ServerInstance->MatchText(x->Name.c_str(),parameters[0])) - { - TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str()); - if (!CheckDupe) - { - user->WriteServ("NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),(x->HiddenFromStats ? "" : x->IPAddr.c_str()),x->Port); - ConnectServer(&(*x)); - return 1; - } - else - { - user->WriteServ("NOTICE %s :*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",user->nick,x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str()); - return 1; - } - } - } - user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]); - return 1; -} - -void ModuleSpanningTree::BroadcastTimeSync() -{ - if (Utils->MasterTime) - { - std::deque params; - params.push_back(ConvToStr(ServerInstance->Time(false))); - params.push_back("FORCE"); - Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params); - } -} - -int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results) -{ - if ((statschar == 'c') || (statschar == 'n')) - { - for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++) - { - results.push_back(std::string(ServerInstance->Config->ServerName)+" 213 "+user->nick+" "+statschar+" *@"+(Utils->LinkBlocks[i].HiddenFromStats ? "" : Utils->LinkBlocks[i].IPAddr)+" * "+Utils->LinkBlocks[i].Name.c_str()+" "+ConvToStr(Utils->LinkBlocks[i].Port)+" "+(Utils->LinkBlocks[i].Hook.empty() ? "plaintext" : Utils->LinkBlocks[i].Hook)+" "+(Utils->LinkBlocks[i].AutoConnect ? 'a' : '-')+'s'); - if (statschar == 'c') - results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str()); - } - results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report"); - ServerInstance->SNO->WriteToSnoMask('t',"%s '%c' requested by %s (%s@%s)",(!strcmp(user->server,ServerInstance->Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host); - return 1; - } - - if (statschar == 'p') - { - /* show all server ports, after showing client ports. -- w00t */ - - for (unsigned int i = 0; i < Utils->Bindings.size(); i++) - { - std::string ip = Utils->Bindings[i]->IP; - if (ip.empty()) - ip = "*"; - - std::string transport("plaintext"); - if (Utils->Bindings[i]->GetHook()) - transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send(); - - results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+ - " (server, " + transport + ")"); - } - } - return 0; -} - -int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line) -{ - /* If the command doesnt appear to be valid, we dont want to mess with it. */ - if (!validated) - return 0; - - if (command == "CONNECT") - { - return this->HandleConnect(parameters,pcnt,user); - } - else if (command == "STATS") - { - return this->HandleStats(parameters,pcnt,user); - } - else if (command == "MOTD") - { - return this->HandleMotd(parameters,pcnt,user); - } - else if (command == "ADMIN") - { - return this->HandleAdmin(parameters,pcnt,user); - } - else if (command == "SQUIT") - { - return this->HandleSquit(parameters,pcnt,user); - } - else if (command == "MAP") - { - this->HandleMap(parameters,pcnt,user); - return 1; - } - else if ((command == "TIME") && (pcnt > 0)) - { - return this->HandleTime(parameters,pcnt,user); - } - else if (command == "LUSERS") - { - this->HandleLusers(parameters,pcnt,user); - return 1; - } - else if (command == "LINKS") - { - this->HandleLinks(parameters,pcnt,user); - return 1; - } - else if (command == "WHOIS") - { - if (pcnt > 1) - { - // remote whois - return this->HandleRemoteWhois(parameters,pcnt,user); - } - } - else if ((command == "VERSION") && (pcnt > 0)) - { - this->HandleVersion(parameters,pcnt,user); - return 1; - } - else if ((command == "MODULES") && (pcnt > 0)) - { - return this->HandleModules(parameters,pcnt,user); - } - return 0; -} - -void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line) -{ - if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user))) - { - // this bit of code cleverly routes all module commands - // to all remote severs *automatically* so that modules - // can just handle commands locally, without having - // to have any special provision in place for remote - // commands and linking protocols. - std::deque params; - params.clear(); - for (int j = 0; j < pcnt; j++) - { - if (strchr(parameters[j],' ')) - { - params.push_back(":" + std::string(parameters[j])); - } - else - { - params.push_back(std::string(parameters[j])); - } - } - Utils->DoOneToMany(user->nick,command,params); - } -} - -void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description) -{ - TreeServer* s = Utils->FindServer(servername); - if (s) - { - description = s->GetDesc(); - } -} - -void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel) -{ - if (IS_LOCAL(source)) - { - std::deque params; - params.push_back(dest->nick); - params.push_back(channel->name); - Utils->DoOneToMany(source->nick,"INVITE",params); - } -} - -void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic) -{ - std::deque params; - params.push_back(chan->name); - params.push_back(":"+topic); - Utils->DoOneToMany(user->nick,"TOPIC",params); -} - -void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text) -{ - if (IS_LOCAL(user)) - { - std::deque params; - params.push_back(":"+text); - Utils->DoOneToMany(user->nick,"WALLOPS",params); - } -} - -void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list) -{ - if (target_type == TYPE_USER) - { - userrec* d = (userrec*)dest; - if ((d->GetFd() < 0) && (IS_LOCAL(user))) - { - std::deque params; - params.clear(); - params.push_back(d->nick); - params.push_back(":"+text); - Utils->DoOneToOne(user->nick,"NOTICE",params,d->server); - } - } - else if (target_type == TYPE_CHANNEL) - { - if (IS_LOCAL(user)) - { - chanrec *c = (chanrec*)dest; - if (c) - { - std::string cname = c->name; - if (status) - cname = status + cname; - TreeServerList list; - Utils->GetListOfServersForChannel(c,list,status,exempt_list); - for (TreeServerList::iterator i = list.begin(); i != list.end(); i++) - { - TreeSocket* Sock = i->second->GetSocket(); - if (Sock) - Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text); - } - } - } - } - else if (target_type == TYPE_SERVER) - { - if (IS_LOCAL(user)) - { - char* target = (char*)dest; - std::deque par; - par.push_back(target); - par.push_back(":"+text); - Utils->DoOneToMany(user->nick,"NOTICE",par); - } - } -} - -void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list) -{ - if (target_type == TYPE_USER) - { - // route private messages which are targetted at clients only to the server - // which needs to receive them - userrec* d = (userrec*)dest; - if ((d->GetFd() < 0) && (IS_LOCAL(user))) - { - std::deque params; - params.clear(); - params.push_back(d->nick); - params.push_back(":"+text); - Utils->DoOneToOne(user->nick,"PRIVMSG",params,d->server); - } - } - else if (target_type == TYPE_CHANNEL) - { - if (IS_LOCAL(user)) - { - chanrec *c = (chanrec*)dest; - if (c) - { - std::string cname = c->name; - if (status) - cname = status + cname; - TreeServerList list; - Utils->GetListOfServersForChannel(c,list,status,exempt_list); - for (TreeServerList::iterator i = list.begin(); i != list.end(); i++) - { - TreeSocket* Sock = i->second->GetSocket(); - if (Sock) - Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text); - } - } - } - } - else if (target_type == TYPE_SERVER) - { - if (IS_LOCAL(user)) - { - char* target = (char*)dest; - std::deque par; - par.push_back(target); - par.push_back(":"+text); - Utils->DoOneToMany(user->nick,"PRIVMSG",par); - } - } -} - -void ModuleSpanningTree::OnBackgroundTimer(time_t curtime) -{ - AutoConnectServers(curtime); - DoPingChecks(curtime); -} - -void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent) -{ - // Only do this for local users - if (IS_LOCAL(user)) - { - if (channel->GetUserCounter() == 1) - { - std::deque params; - // set up their permissions and the channel TS with FJOIN. - // All users are FJOINed now, because a module may specify - // new joining permissions for the user. - params.push_back(channel->name); - params.push_back(ConvToStr(channel->age)); - params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick)); - Utils->DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params); - /* First user in, sync the modes for the channel */ - params.pop_back(); - params.push_back(channel->ChanModes(true)); - Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params); - } - else - { - std::deque params; - params.push_back(channel->name); - params.push_back(ConvToStr(channel->age)); - Utils->DoOneToMany(user->nick,"JOIN",params); - } - } -} - -void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost) -{ - // only occurs for local clients - if (user->registered != REG_ALL) - return; - std::deque params; - params.push_back(newhost); - Utils->DoOneToMany(user->nick,"FHOST",params); -} - -void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos) -{ - // only occurs for local clients - if (user->registered != REG_ALL) - return; - std::deque params; - params.push_back(gecos); - Utils->DoOneToMany(user->nick,"FNAME",params); -} - -void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent) -{ - if (IS_LOCAL(user)) - { - std::deque params; - params.push_back(channel->name); - if (!partmessage.empty()) - params.push_back(":"+partmessage); - Utils->DoOneToMany(user->nick,"PART",params); - } -} - -void ModuleSpanningTree::OnUserConnect(userrec* user) -{ - char agestr[MAXBUF]; - if (IS_LOCAL(user)) - { - std::deque params; - snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age); - params.push_back(agestr); - params.push_back(user->nick); - params.push_back(user->host); - params.push_back(user->dhost); - params.push_back(user->ident); - params.push_back("+"+std::string(user->FormatModes())); - params.push_back(user->GetIPString()); - params.push_back(":"+std::string(user->fullname)); - Utils->DoOneToMany(ServerInstance->Config->ServerName,"NICK",params); - // User is Local, change needs to be reflected! - TreeServer* SourceServer = Utils->FindServer(user->server); - if (SourceServer) - { - SourceServer->AddUserCount(); - } - } -} - -void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message) -{ - if ((IS_LOCAL(user)) && (user->registered == REG_ALL)) - { - std::deque params; - - if (oper_message != reason) - { - params.push_back(":"+oper_message); - Utils->DoOneToMany(user->nick,"OPERQUIT",params); - } - params.clear(); - params.push_back(":"+reason); - Utils->DoOneToMany(user->nick,"QUIT",params); - } - // Regardless, We need to modify the user Counts.. - TreeServer* SourceServer = Utils->FindServer(user->server); - if (SourceServer) - { - SourceServer->DelUserCount(); - } -} - -void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick) -{ - if (IS_LOCAL(user)) - { - std::deque params; - params.push_back(user->nick); - Utils->DoOneToMany(oldnick,"NICK",params); - } -} - -void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent) -{ - if ((source) && (IS_LOCAL(source))) - { - std::deque params; - params.push_back(chan->name); - params.push_back(user->nick); - params.push_back(":"+reason); - Utils->DoOneToMany(source->nick,"KICK",params); - } - else if (!source) - { - std::deque params; - params.push_back(chan->name); - params.push_back(user->nick); - params.push_back(":"+reason); - Utils->DoOneToMany(ServerInstance->Config->ServerName,"KICK",params); - } -} - -void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason) -{ - std::deque params; - params.push_back(":"+reason); - Utils->DoOneToMany(dest->nick,"OPERQUIT",params); - params.clear(); - params.push_back(dest->nick); - params.push_back(":"+reason); - dest->SetOperQuit(operreason); - Utils->DoOneToMany(source->nick,"KILL",params); -} - -void ModuleSpanningTree::OnRehash(userrec* user, const std::string ¶meter) -{ - if (!parameter.empty()) - { - std::deque params; - params.push_back(parameter); - Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->ServerName, "REHASH", params); - // check for self - if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter)) - { - ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName); - ServerInstance->RehashServer(); - } - } - Utils->ReadConfiguration(false); - InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance); -} - -// note: the protocol does not allow direct umode +o except -// via NICK with 8 params. sending OPERTYPE infers +o modechange -// locally. -void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype) -{ - if (IS_LOCAL(user)) - { - std::deque params; - params.push_back(opertype); - Utils->DoOneToMany(user->nick,"OPERTYPE",params); - } -} - -void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason) -{ - if (!source) - { - /* Server-set lines */ - char data[MAXBUF]; - snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false), - (unsigned long)duration, reason.c_str()); - std::deque params; - params.push_back(data); - Utils->DoOneToMany(ServerInstance->Config->ServerName, "ADDLINE", params); - } - else - { - if (IS_LOCAL(source)) - { - char type[8]; - snprintf(type,8,"%cLINE",linetype); - std::string stype = type; - if (adding) - { - char sduration[MAXBUF]; - snprintf(sduration,MAXBUF,"%ld",duration); - std::deque params; - params.push_back(host); - params.push_back(sduration); - params.push_back(":"+reason); - Utils->DoOneToMany(source->nick,stype,params); - } - else - { - std::deque params; - params.push_back(host); - Utils->DoOneToMany(source->nick,stype,params); - } - } - } -} - -void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask) -{ - OnLine(source,hostmask,true,'G',duration,reason); -} - -void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask) -{ - OnLine(source,ipmask,true,'Z',duration,reason); -} - -void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask) -{ - OnLine(source,nickmask,true,'Q',duration,reason); -} - -void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask) -{ - OnLine(source,hostmask,true,'E',duration,reason); -} - -void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask) -{ - OnLine(source,hostmask,false,'G',0,""); -} - -void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask) -{ - OnLine(source,ipmask,false,'Z',0,""); -} - -void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask) -{ - OnLine(source,nickmask,false,'Q',0,""); -} - -void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask) -{ - OnLine(source,hostmask,false,'E',0,""); -} - -void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text) -{ - if ((IS_LOCAL(user)) && (user->registered == REG_ALL)) - { - std::deque params; - std::string command; - - if (target_type == TYPE_USER) - { - userrec* u = (userrec*)dest; - params.push_back(u->nick); - params.push_back(text); - command = "MODE"; - } - else - { - chanrec* c = (chanrec*)dest; - params.push_back(c->name); - params.push_back(ConvToStr(c->age)); - params.push_back(text); - command = "FMODE"; - } - Utils->DoOneToMany(user->nick, command, params); - } -} - -void ModuleSpanningTree::OnSetAway(userrec* user) -{ - if (IS_LOCAL(user)) - { - std::deque params; - params.push_back(":"+std::string(user->awaymsg)); - Utils->DoOneToMany(user->nick,"AWAY",params); - } -} - -void ModuleSpanningTree::OnCancelAway(userrec* user) -{ - if (IS_LOCAL(user)) - { - std::deque params; - params.clear(); - Utils->DoOneToMany(user->nick,"AWAY",params); - } -} - -void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline) -{ - TreeSocket* s = (TreeSocket*)opaque; - if (target) - { - if (target_type == TYPE_USER) - { - userrec* u = (userrec*)target; - s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline); - } - else - { - chanrec* c = (chanrec*)target; - s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline); - } - } -} - -void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata) -{ - TreeSocket* s = (TreeSocket*)opaque; - if (target) - { - if (target_type == TYPE_USER) - { - userrec* u = (userrec*)target; - s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata); - } - else if (target_type == TYPE_CHANNEL) - { - chanrec* c = (chanrec*)target; - s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata); - } - } - if (target_type == TYPE_OTHER) - { - s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata); - } -} - -void ModuleSpanningTree::OnEvent(Event* event) -{ - std::deque* params = (std::deque*)event->GetData(); - if (event->GetEventID() == "send_metadata") - { - if (params->size() < 3) - return; - (*params)[2] = ":" + (*params)[2]; - Utils->DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params); - } - else if (event->GetEventID() == "send_topic") - { - if (params->size() < 2) - return; - (*params)[1] = ":" + (*params)[1]; - params->insert(params->begin() + 1,ServerInstance->Config->ServerName); - params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true))); - Utils->DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params); - } - else if (event->GetEventID() == "send_mode") - { - if (params->size() < 2) - return; - // Insert the TS value of the object, either userrec or chanrec - time_t ourTS = 0; - userrec* a = ServerInstance->FindNick((*params)[0]); - if (a) - { - ourTS = a->age; - Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params); - return; - } - else - { - chanrec* a = ServerInstance->FindChan((*params)[0]); - if (a) - { - ourTS = a->age; - params->insert(params->begin() + 1,ConvToStr(ourTS)); - Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params); - } - } - } - else if (event->GetEventID() == "send_mode_explicit") - { - if (params->size() < 2) - return; - Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params); - } - else if (event->GetEventID() == "send_opers") - { - if (params->size() < 1) - return; - (*params)[0] = ":" + (*params)[0]; - Utils->DoOneToMany(ServerInstance->Config->ServerName,"OPERNOTICE",*params); - } - else if (event->GetEventID() == "send_modeset") - { - if (params->size() < 2) - return; - (*params)[1] = ":" + (*params)[1]; - Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODENOTICE",*params); - } - else if (event->GetEventID() == "send_snoset") - { - if (params->size() < 2) - return; - (*params)[1] = ":" + (*params)[1]; - Utils->DoOneToMany(ServerInstance->Config->ServerName,"SNONOTICE",*params); - } - else if (event->GetEventID() == "send_push") - { - if (params->size() < 2) - return; - - userrec *a = ServerInstance->FindNick((*params)[0]); - - if (!a) - return; - - (*params)[1] = ":" + (*params)[1]; - Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", *params, a->server); - } -} - -ModuleSpanningTree::~ModuleSpanningTree() -{ - /* This will also free the listeners */ - delete Utils; - if (SyncTimer) - ServerInstance->Timers->DelTimer(SyncTimer); - - ServerInstance->Timers->DelTimer(RefreshTimer); - - ServerInstance->DoneWithInterface("InspSocketHook"); -} - -Version ModuleSpanningTree::GetVersion() -{ - return Version(1,1,0,2,VF_VENDOR,API_VERSION); -} - -void ModuleSpanningTree::Implements(char* List) -{ - List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1; - List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1; - List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1; - List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1; - List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1; - List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1; - List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1; -} - -/* It is IMPORTANT that m_spanningtree is the last module in the chain - * so that any activity it sees is FINAL, e.g. we arent going to send out - * a NICK message before m_cloaking has finished putting the +x on the user, - * etc etc. - * Therefore, we return PRIORITY_LAST to make sure we end up at the END of - * the module call queue. - */ -Priority ModuleSpanningTree::Prioritize() -{ - return PRIORITY_LAST; -} - -MODULE_INIT(ModuleSpanningTree) - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ /* $ModDesc: Provides a spanning tree server link protocol */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/timesynctimer.h" #include "m_spanningtree/resolvers.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" #include "m_spanningtree/rconnect.h" #include "m_spanningtree/rsquit.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rconnect.h m_spanningtree/rsquit.h */ ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me) : Module(Me), max_local(0), max_global(0) { ServerInstance->UseInterface("InspSocketHook"); Utils = new SpanningTreeUtilities(Me, this); command_rconnect = new cmd_rconnect(ServerInstance, this, Utils); ServerInstance->AddCommand(command_rconnect); command_rsquit = new cmd_rsquit(ServerInstance, this, Utils); ServerInstance->AddCommand(command_rsquit); if (Utils->EnableTimeSync) { SyncTimer = new TimeSyncTimer(ServerInstance, this); ServerInstance->Timers->AddTimer(SyncTimer); } else SyncTimer = NULL; RefreshTimer = new CacheRefreshTimer(ServerInstance, Utils); ServerInstance->Timers->AddTimer(RefreshTimer); } void ModuleSpanningTree::ShowLinks(TreeServer* Current, userrec* user, int hops) { std::string Parent = Utils->TreeRoot->GetName(); if (Current->GetParent()) { Parent = Current->GetParent()->GetName(); } for (unsigned int q = 0; q < Current->ChildCount(); q++) { if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str())))) { if (*user->oper) { ShowLinks(Current->GetChild(q),user,hops+1); } } else { ShowLinks(Current->GetChild(q),user,hops+1); } } /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */ if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user))) return; /* Or if the server is hidden and they're not an oper */ else if ((Current->Hidden) && (!IS_OPER(user))) return; user->WriteServ("364 %s %s %s :%d %s", user->nick,Current->GetName().c_str(), (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(), (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops, Current->GetDesc().c_str()); } int ModuleSpanningTree::CountLocalServs() { return Utils->TreeRoot->ChildCount(); } int ModuleSpanningTree::CountServs() { return Utils->serverlist.size(); } void ModuleSpanningTree::HandleLinks(const char** parameters, int pcnt, userrec* user) { ShowLinks(Utils->TreeRoot,user,0); user->WriteServ("365 %s * :End of /LINKS list.",user->nick); return; } void ModuleSpanningTree::HandleLusers(const char** parameters, int pcnt, userrec* user) { unsigned int n_users = ServerInstance->UserCount(); /* Only update these when someone wants to see them, more efficient */ if ((unsigned int)ServerInstance->LocalUserCount() > max_local) max_local = ServerInstance->LocalUserCount(); if (n_users > max_global) max_global = n_users; unsigned int ulined_count = 0; unsigned int ulined_local_count = 0; /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden, * locally and globally (locally means directly connected to us) */ if ((Utils->HideULines) && (!*user->oper)) { for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++) { if (ServerInstance->ULine(q->second->GetName().c_str())) { ulined_count++; if (q->second->GetParent() == Utils->TreeRoot) ulined_local_count++; } } } user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,n_users-ServerInstance->InvisibleUserCount(),ServerInstance->InvisibleUserCount(),ulined_count ? this->CountServs() - ulined_count : this->CountServs()); if (ServerInstance->OperCount()) user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount()); if (ServerInstance->UnregisteredUserCount()) user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount()); if (ServerInstance->ChannelCount()) user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount()); user->WriteServ("255 %s :I have %d clients and %d servers",user->nick,ServerInstance->LocalUserCount(),ulined_local_count ? this->CountLocalServs() - ulined_local_count : this->CountLocalServs()); user->WriteServ("265 %s :Current Local Users: %d Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local); user->WriteServ("266 %s :Current Global Users: %d Max: %d",user->nick,n_users,max_global); return; } std::string ModuleSpanningTree::TimeToStr(time_t secs) { time_t mins_up = secs / 60; time_t hours_up = mins_up / 60; time_t days_up = hours_up / 24; secs = secs % 60; mins_up = mins_up % 60; hours_up = hours_up % 24; return ((days_up ? (ConvToStr(days_up) + "d") : std::string("")) + (hours_up ? (ConvToStr(hours_up) + "h") : std::string("")) + (mins_up ? (ConvToStr(mins_up) + "m") : std::string("")) + ConvToStr(secs) + "s"); } const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current) { time_t secs_up = ServerInstance->Time() - Current->age; return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"s]"); } // WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS. void ModuleSpanningTree::ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers) { if (line < 128) { for (int t = 0; t < depth; t++) { matrix[line][t] = ' '; } // For Aligning, we need to work out exactly how deep this thing is, and produce // a 'Spacer' String to compensate. char spacer[40]; memset(spacer,' ',40); if ((40 - Current->GetName().length() - depth) > 1) { spacer[40 - Current->GetName().length() - depth] = '\0'; } else { spacer[5] = '\0'; } float percent; char text[128]; /* Neat and tidy default values, as we're dealing with a matrix not a simple string */ memset(text, 0, 128); if (ServerInstance->clientlist->size() == 0) { // If there are no users, WHO THE HELL DID THE /MAP?!?!?! percent = 0; } else { percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist->size()) * 100; } const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : ""; snprintf(text, 126, "%s %s%5d [%5.2f%%]%s", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent, operdata.c_str()); totusers += Current->GetUserCount(); totservers++; strlcpy(&matrix[line][depth],text,126); line++; for (unsigned int q = 0; q < Current->ChildCount(); q++) { if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str())))) { if (*user->oper) { ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers); } } else { ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers); } } } } int ModuleSpanningTree::HandleMotd(const char** parameters, int pcnt, userrec* user) { if (pcnt > 0) { if (match(ServerInstance->Config->ServerName, parameters[0])) return 0; /* Remote MOTD, the server is within the 1st parameter */ std::deque params; params.push_back(parameters[0]); /* Send it out remotely, generate no reply yet */ TreeServer* s = Utils->FindServerMask(parameters[0]); if (s) { params[0] = s->GetName(); Utils->DoOneToOne(user->nick, "MOTD", params, s->GetName()); } else user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]); return 1; } return 0; } int ModuleSpanningTree::HandleAdmin(const char** parameters, int pcnt, userrec* user) { if (pcnt > 0) { if (match(ServerInstance->Config->ServerName, parameters[0])) return 0; /* Remote ADMIN, the server is within the 1st parameter */ std::deque params; params.push_back(parameters[0]); /* Send it out remotely, generate no reply yet */ TreeServer* s = Utils->FindServerMask(parameters[0]); if (s) { params[0] = s->GetName(); Utils->DoOneToOne(user->nick, "ADMIN", params, s->GetName()); } else user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]); return 1; } return 0; } int ModuleSpanningTree::HandleModules(const char** parameters, int pcnt, userrec* user) { if (pcnt > 0) { if (match(ServerInstance->Config->ServerName, parameters[0])) return 0; std::deque params; params.push_back(parameters[0]); TreeServer* s = Utils->FindServerMask(parameters[0]); if (s) { params[0] = s->GetName(); Utils->DoOneToOne(user->nick, "MODULES", params, s->GetName()); } else user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]); return 1; } return 0; } int ModuleSpanningTree::HandleStats(const char** parameters, int pcnt, userrec* user) { if (pcnt > 1) { if (match(ServerInstance->Config->ServerName, parameters[1])) return 0; /* Remote STATS, the server is within the 2nd parameter */ std::deque params; params.push_back(parameters[0]); params.push_back(parameters[1]); /* Send it out remotely, generate no reply yet */ TreeServer* s = Utils->FindServerMask(parameters[1]); if (s) { params[1] = s->GetName(); Utils->DoOneToOne(user->nick, "STATS", params, s->GetName()); } else { user->WriteServ( "402 %s %s :No such server", user->nick, parameters[1]); } return 1; } return 0; } // Ok, prepare to be confused. // After much mulling over how to approach this, it struck me that // the 'usual' way of doing a /MAP isnt the best way. Instead of // keeping track of a ton of ascii characters, and line by line // under recursion working out where to place them using multiplications // and divisons, we instead render the map onto a backplane of characters // (a character matrix), then draw the branches as a series of "L" shapes // from the nodes. This is not only friendlier on CPU it uses less stack. void ModuleSpanningTree::HandleMap(const char** parameters, int pcnt, userrec* user) { // This array represents a virtual screen which we will // "scratch" draw to, as the console device of an irc // client does not provide for a proper terminal. float totusers = 0; float totservers = 0; char matrix[128][128]; for (unsigned int t = 0; t < 128; t++) { matrix[t][0] = '\0'; } line = 0; // The only recursive bit is called here. ShowMap(Utils->TreeRoot,user,0,matrix,totusers,totservers); // Process each line one by one. The algorithm has a limit of // 128 servers (which is far more than a spanning tree should have // anyway, so we're ok). This limit can be raised simply by making // the character matrix deeper, 128 rows taking 10k of memory. for (int l = 1; l < line; l++) { // scan across the line looking for the start of the // servername (the recursive part of the algorithm has placed // the servers at indented positions depending on what they // are related to) int first_nonspace = 0; while (matrix[l][first_nonspace] == ' ') { first_nonspace++; } first_nonspace--; // Draw the `- (corner) section: this may be overwritten by // another L shape passing along the same vertical pane, becoming // a |- (branch) section instead. matrix[l][first_nonspace] = '-'; matrix[l][first_nonspace-1] = '`'; int l2 = l - 1; // Draw upwards until we hit the parent server, causing possibly // other corners (`-) to become branches (|-) while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`')) { matrix[l2][first_nonspace-1] = '|'; l2--; } } // dump the whole lot to the user. This is the easy bit, honest. for (int t = 0; t < line; t++) { user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]); } float avg_users = totusers / totservers; user->WriteServ("270 %s :%.0f server%s and %.0f user%s, average %.2f users per server",user->nick,totservers,(totservers > 1 ? "s" : ""),totusers,(totusers > 1 ? "s" : ""),avg_users); user->WriteServ("007 %s :End of /MAP",user->nick); return; } int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user) { TreeServer* s = Utils->FindServerMask(parameters[0]); if (s) { if (s == Utils->TreeRoot) { user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]); return 1; } TreeSocket* sock = s->GetSocket(); if (sock) { ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick); sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost()); ServerInstance->SE->DelFd(sock); sock->Close(); } else { if (IS_LOCAL(user)) user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick); } } else { user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]); } return 1; } int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user) { if ((IS_LOCAL(user)) && (pcnt)) { TreeServer* found = Utils->FindServerMask(parameters[0]); if (found) { // we dont' override for local server if (found == Utils->TreeRoot) return 0; std::deque params; params.push_back(found->GetName()); params.push_back(user->nick); Utils->DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName()); } else { user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]); } } return 1; } int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user) { if ((IS_LOCAL(user)) && (pcnt > 1)) { userrec* remote = ServerInstance->FindNick(parameters[1]); if ((remote) && (remote->GetFd() < 0)) { std::deque params; params.push_back(parameters[1]); Utils->DoOneToOne(user->nick,"IDLE",params,remote->server); return 1; } else if (!remote) { user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]); user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]); return 1; } } return 0; } void ModuleSpanningTree::DoPingChecks(time_t curtime) { for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++) { TreeServer* serv = Utils->TreeRoot->GetChild(j); TreeSocket* sock = serv->GetSocket(); if (sock) { if (curtime >= serv->NextPingTime()) { if (serv->AnsweredLastPing()) { sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName()); serv->SetNextPingTime(curtime + 60); serv->LastPing = curtime; serv->Warned = false; } else { /* they didnt answer, boot them */ sock->SendError("Ping timeout"); sock->Squit(serv,"Ping timeout"); /*** XXX SOCKET CULL ***/ return; } } else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (60 - Utils->PingWarnTime)) && (!serv->AnsweredLastPing())) { /* The server hasnt responded, send a warning to opers */ ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime); serv->Warned = true; } } } /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data. * This prevents lost REMOTECONNECT notices */ for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++) Utils->SetRemoteBursting(i->second, false); } void ModuleSpanningTree::ConnectServer(Link* x) { bool ipvalid = true; QueryType start_type = DNS_QUERY_A; #ifdef IPV6 start_type = DNS_QUERY_AAAA; if (strchr(x->IPAddr.c_str(),':')) { in6_addr n; if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1) ipvalid = false; } else #endif { in_addr n; if (inet_aton(x->IPAddr.c_str(),&n) < 1) ipvalid = false; } /* Do we already have an IP? If so, no need to resolve it. */ if (ipvalid) { /* Gave a hook, but it wasnt one we know */ if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end())) return; TreeSocket* newsocket = new TreeSocket(Utils, ServerInstance, x->IPAddr,x->Port,false,x->Timeout ? x->Timeout : 10,x->Name.c_str(), x->Bind, x->Hook.empty() ? NULL : Utils->hooks[x->Hook.c_str()]); if (newsocket->GetFd() > -1) { /* Handled automatically on success */ } else { ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno)); delete newsocket; Utils->DoFailOver(x); } } else { try { bool cached; ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type); ServerInstance->AddResolver(snr, cached); } catch (ModuleException& e) { ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason()); Utils->DoFailOver(x); } } } void ModuleSpanningTree::AutoConnectServers(time_t curtime) { for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) { if ((x->AutoConnect) && (curtime >= x->NextConnectTime)) { x->NextConnectTime = curtime + x->AutoConnect; TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str()); if (x->FailOver.length()) { TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str()); if (CheckFailOver) { /* The failover for this server is currently a member of the network. * The failover probably succeeded, where the main link did not. * Don't try the main link until the failover is gone again. */ continue; } } if (!CheckDupe) { // an autoconnected server is not connected. Check if its time to connect it ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect); this->ConnectServer(&(*x)); } } } } int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user) { // we've already checked if pcnt > 0, so this is safe TreeServer* found = Utils->FindServerMask(parameters[0]); if (found) { std::string Version = found->GetVersion(); user->WriteServ("351 %s :%s",user->nick,Version.c_str()); if (found == Utils->TreeRoot) { ServerInstance->Config->Send005(user); } } else { user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]); } return 1; } int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user) { for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) { if (ServerInstance->MatchText(x->Name.c_str(),parameters[0])) { TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str()); if (!CheckDupe) { user->WriteServ("NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),(x->HiddenFromStats ? "" : x->IPAddr.c_str()),x->Port); ConnectServer(&(*x)); return 1; } else { user->WriteServ("NOTICE %s :*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",user->nick,x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str()); return 1; } } } user->WriteServ("NOTICE %s :*** CONNECT: No server matching \002%s\002 could be found in the config file.",user->nick,parameters[0]); return 1; } void ModuleSpanningTree::BroadcastTimeSync() { if (Utils->MasterTime) { std::deque params; params.push_back(ConvToStr(ServerInstance->Time(false))); params.push_back("FORCE"); Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params); } } int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results) { if ((statschar == 'c') || (statschar == 'n')) { for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++) { results.push_back(std::string(ServerInstance->Config->ServerName)+" 213 "+user->nick+" "+statschar+" *@"+(Utils->LinkBlocks[i].HiddenFromStats ? "" : Utils->LinkBlocks[i].IPAddr)+" * "+Utils->LinkBlocks[i].Name.c_str()+" "+ConvToStr(Utils->LinkBlocks[i].Port)+" "+(Utils->LinkBlocks[i].Hook.empty() ? "plaintext" : Utils->LinkBlocks[i].Hook)+" "+(Utils->LinkBlocks[i].AutoConnect ? 'a' : '-')+'s'); if (statschar == 'c') results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str()); } results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report"); ServerInstance->SNO->WriteToSnoMask('t',"%s '%c' requested by %s (%s@%s)",(!strcmp(user->server,ServerInstance->Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host); return 1; } if (statschar == 'p') { /* show all server ports, after showing client ports. -- w00t */ for (unsigned int i = 0; i < Utils->Bindings.size(); i++) { std::string ip = Utils->Bindings[i]->IP; if (ip.empty()) ip = "*"; std::string transport("plaintext"); if (Utils->Bindings[i]->GetHook()) transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send(); results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+ " (server, " + transport + ")"); } } return 0; } int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line) { /* If the command doesnt appear to be valid, we dont want to mess with it. */ if (!validated) return 0; if (command == "CONNECT") { return this->HandleConnect(parameters,pcnt,user); } else if (command == "STATS") { return this->HandleStats(parameters,pcnt,user); } else if (command == "MOTD") { return this->HandleMotd(parameters,pcnt,user); } else if (command == "ADMIN") { return this->HandleAdmin(parameters,pcnt,user); } else if (command == "SQUIT") { return this->HandleSquit(parameters,pcnt,user); } else if (command == "MAP") { this->HandleMap(parameters,pcnt,user); return 1; } else if ((command == "TIME") && (pcnt > 0)) { return this->HandleTime(parameters,pcnt,user); } else if (command == "LUSERS") { this->HandleLusers(parameters,pcnt,user); return 1; } else if (command == "LINKS") { this->HandleLinks(parameters,pcnt,user); return 1; } else if (command == "WHOIS") { if (pcnt > 1) { // remote whois return this->HandleRemoteWhois(parameters,pcnt,user); } } else if ((command == "VERSION") && (pcnt > 0)) { this->HandleVersion(parameters,pcnt,user); return 1; } else if ((command == "MODULES") && (pcnt > 0)) { return this->HandleModules(parameters,pcnt,user); } return 0; } void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line) { if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user))) { // this bit of code cleverly routes all module commands // to all remote severs *automatically* so that modules // can just handle commands locally, without having // to have any special provision in place for remote // commands and linking protocols. std::deque params; params.clear(); for (int j = 0; j < pcnt; j++) { if (strchr(parameters[j],' ')) { params.push_back(":" + std::string(parameters[j])); } else { params.push_back(std::string(parameters[j])); } } Utils->DoOneToMany(user->nick,command,params); } } void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description) { TreeServer* s = Utils->FindServer(servername); if (s) { description = s->GetDesc(); } } void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel) { if (IS_LOCAL(source)) { std::deque params; params.push_back(dest->nick); params.push_back(channel->name); Utils->DoOneToMany(source->nick,"INVITE",params); } } void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic) { std::deque params; params.push_back(chan->name); params.push_back(":"+topic); Utils->DoOneToMany(user->nick,"TOPIC",params); } void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text) { if (IS_LOCAL(user)) { std::deque params; params.push_back(":"+text); Utils->DoOneToMany(user->nick,"WALLOPS",params); } } void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list) { if (target_type == TYPE_USER) { userrec* d = (userrec*)dest; if ((d->GetFd() < 0) && (IS_LOCAL(user))) { std::deque params; params.clear(); params.push_back(d->nick); params.push_back(":"+text); Utils->DoOneToOne(user->nick,"NOTICE",params,d->server); } } else if (target_type == TYPE_CHANNEL) { if (IS_LOCAL(user)) { chanrec *c = (chanrec*)dest; if (c) { std::string cname = c->name; if (status) cname = status + cname; TreeServerList list; Utils->GetListOfServersForChannel(c,list,status,exempt_list); for (TreeServerList::iterator i = list.begin(); i != list.end(); i++) { TreeSocket* Sock = i->second->GetSocket(); if (Sock) Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text); } } } } else if (target_type == TYPE_SERVER) { if (IS_LOCAL(user)) { char* target = (char*)dest; std::deque par; par.push_back(target); par.push_back(":"+text); Utils->DoOneToMany(user->nick,"NOTICE",par); } } } void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list) { if (target_type == TYPE_USER) { // route private messages which are targetted at clients only to the server // which needs to receive them userrec* d = (userrec*)dest; if ((d->GetFd() < 0) && (IS_LOCAL(user))) { std::deque params; params.clear(); params.push_back(d->nick); params.push_back(":"+text); Utils->DoOneToOne(user->nick,"PRIVMSG",params,d->server); } } else if (target_type == TYPE_CHANNEL) { if (IS_LOCAL(user)) { chanrec *c = (chanrec*)dest; if (c) { std::string cname = c->name; if (status) cname = status + cname; TreeServerList list; Utils->GetListOfServersForChannel(c,list,status,exempt_list); for (TreeServerList::iterator i = list.begin(); i != list.end(); i++) { TreeSocket* Sock = i->second->GetSocket(); if (Sock) Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text); } } } } else if (target_type == TYPE_SERVER) { if (IS_LOCAL(user)) { char* target = (char*)dest; std::deque par; par.push_back(target); par.push_back(":"+text); Utils->DoOneToMany(user->nick,"PRIVMSG",par); } } } void ModuleSpanningTree::OnBackgroundTimer(time_t curtime) { AutoConnectServers(curtime); DoPingChecks(curtime); } void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent) { // Only do this for local users if (IS_LOCAL(user)) { if (channel->GetUserCounter() == 1) { std::deque params; // set up their permissions and the channel TS with FJOIN. // All users are FJOINed now, because a module may specify // new joining permissions for the user. params.push_back(channel->name); params.push_back(ConvToStr(channel->age)); params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick)); Utils->DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params); /* First user in, sync the modes for the channel */ params.pop_back(); params.push_back(channel->ChanModes(true)); Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params); } else { std::deque params; params.push_back(channel->name); params.push_back(ConvToStr(channel->age)); Utils->DoOneToMany(user->nick,"JOIN",params); } } } void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost) { // only occurs for local clients if (user->registered != REG_ALL) return; std::deque params; params.push_back(newhost); Utils->DoOneToMany(user->nick,"FHOST",params); } void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos) { // only occurs for local clients if (user->registered != REG_ALL) return; std::deque params; params.push_back(gecos); Utils->DoOneToMany(user->nick,"FNAME",params); } void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent) { if (IS_LOCAL(user)) { std::deque params; params.push_back(channel->name); if (!partmessage.empty()) params.push_back(":"+partmessage); Utils->DoOneToMany(user->nick,"PART",params); } } void ModuleSpanningTree::OnUserConnect(userrec* user) { char agestr[MAXBUF]; if (IS_LOCAL(user)) { std::deque params; snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age); params.push_back(agestr); params.push_back(user->nick); params.push_back(user->host); params.push_back(user->dhost); params.push_back(user->ident); params.push_back("+"+std::string(user->FormatModes())); params.push_back(user->GetIPString()); params.push_back(":"+std::string(user->fullname)); Utils->DoOneToMany(ServerInstance->Config->ServerName,"NICK",params); // User is Local, change needs to be reflected! TreeServer* SourceServer = Utils->FindServer(user->server); if (SourceServer) { SourceServer->AddUserCount(); } } } void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message) { if ((IS_LOCAL(user)) && (user->registered == REG_ALL)) { std::deque params; if (oper_message != reason) { params.push_back(":"+oper_message); Utils->DoOneToMany(user->nick,"OPERQUIT",params); } params.clear(); params.push_back(":"+reason); Utils->DoOneToMany(user->nick,"QUIT",params); } // Regardless, We need to modify the user Counts.. TreeServer* SourceServer = Utils->FindServer(user->server); if (SourceServer) { SourceServer->DelUserCount(); } } void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick) { if (IS_LOCAL(user)) { std::deque params; params.push_back(user->nick); Utils->DoOneToMany(oldnick,"NICK",params); } } void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent) { if ((source) && (IS_LOCAL(source))) { std::deque params; params.push_back(chan->name); params.push_back(user->nick); params.push_back(":"+reason); Utils->DoOneToMany(source->nick,"KICK",params); } else if (!source) { std::deque params; params.push_back(chan->name); params.push_back(user->nick); params.push_back(":"+reason); Utils->DoOneToMany(ServerInstance->Config->ServerName,"KICK",params); } } void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason) { std::deque params; params.push_back(":"+reason); Utils->DoOneToMany(dest->nick,"OPERQUIT",params); params.clear(); params.push_back(dest->nick); params.push_back(":"+reason); dest->SetOperQuit(operreason); Utils->DoOneToMany(source->nick,"KILL",params); } void ModuleSpanningTree::OnRehash(userrec* user, const std::string ¶meter) { if (!parameter.empty()) { std::deque params; params.push_back(parameter); Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->ServerName, "REHASH", params); // check for self if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter)) { ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName); ServerInstance->RehashServer(); } } Utils->ReadConfiguration(false); InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance); } // note: the protocol does not allow direct umode +o except // via NICK with 8 params. sending OPERTYPE infers +o modechange // locally. void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype) { if (IS_LOCAL(user)) { std::deque params; params.push_back(opertype); Utils->DoOneToMany(user->nick,"OPERTYPE",params); } } void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason) { if (!source) { /* Server-set lines */ char data[MAXBUF]; snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false), (unsigned long)duration, reason.c_str()); std::deque params; params.push_back(data); Utils->DoOneToMany(ServerInstance->Config->ServerName, "ADDLINE", params); } else { if (IS_LOCAL(source)) { char type[8]; snprintf(type,8,"%cLINE",linetype); std::string stype = type; if (adding) { char sduration[MAXBUF]; snprintf(sduration,MAXBUF,"%ld",duration); std::deque params; params.push_back(host); params.push_back(sduration); params.push_back(":"+reason); Utils->DoOneToMany(source->nick,stype,params); } else { std::deque params; params.push_back(host); Utils->DoOneToMany(source->nick,stype,params); } } } } void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask) { OnLine(source,hostmask,true,'G',duration,reason); } void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask) { OnLine(source,ipmask,true,'Z',duration,reason); } void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask) { OnLine(source,nickmask,true,'Q',duration,reason); } void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask) { OnLine(source,hostmask,true,'E',duration,reason); } void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask) { OnLine(source,hostmask,false,'G',0,""); } void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask) { OnLine(source,ipmask,false,'Z',0,""); } void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask) { OnLine(source,nickmask,false,'Q',0,""); } void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask) { OnLine(source,hostmask,false,'E',0,""); } void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text) { if ((IS_LOCAL(user)) && (user->registered == REG_ALL)) { std::deque params; std::string command; if (target_type == TYPE_USER) { userrec* u = (userrec*)dest; params.push_back(u->nick); params.push_back(text); command = "MODE"; } else { chanrec* c = (chanrec*)dest; params.push_back(c->name); params.push_back(ConvToStr(c->age)); params.push_back(text); command = "FMODE"; } Utils->DoOneToMany(user->nick, command, params); } } void ModuleSpanningTree::OnSetAway(userrec* user) { if (IS_LOCAL(user)) { std::deque params; params.push_back(":"+std::string(user->awaymsg)); Utils->DoOneToMany(user->nick,"AWAY",params); } } void ModuleSpanningTree::OnCancelAway(userrec* user) { if (IS_LOCAL(user)) { std::deque params; params.clear(); Utils->DoOneToMany(user->nick,"AWAY",params); } } void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline) { TreeSocket* s = (TreeSocket*)opaque; if (target) { if (target_type == TYPE_USER) { userrec* u = (userrec*)target; s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline); } else { chanrec* c = (chanrec*)target; s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline); } } } void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata) { TreeSocket* s = (TreeSocket*)opaque; if (target) { if (target_type == TYPE_USER) { userrec* u = (userrec*)target; s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata); } else if (target_type == TYPE_CHANNEL) { chanrec* c = (chanrec*)target; s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata); } } if (target_type == TYPE_OTHER) { s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata); } } void ModuleSpanningTree::OnEvent(Event* event) { std::deque* params = (std::deque*)event->GetData(); if (event->GetEventID() == "send_metadata") { if (params->size() < 3) return; (*params)[2] = ":" + (*params)[2]; Utils->DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params); } else if (event->GetEventID() == "send_topic") { if (params->size() < 2) return; (*params)[1] = ":" + (*params)[1]; params->insert(params->begin() + 1,ServerInstance->Config->ServerName); params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true))); Utils->DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params); } else if (event->GetEventID() == "send_mode") { if (params->size() < 2) return; // Insert the TS value of the object, either userrec or chanrec time_t ourTS = 0; userrec* a = ServerInstance->FindNick((*params)[0]); if (a) { ourTS = a->age; Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params); return; } else { chanrec* a = ServerInstance->FindChan((*params)[0]); if (a) { ourTS = a->age; params->insert(params->begin() + 1,ConvToStr(ourTS)); Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params); } } } else if (event->GetEventID() == "send_mode_explicit") { if (params->size() < 2) return; Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params); } else if (event->GetEventID() == "send_opers") { if (params->size() < 1) return; (*params)[0] = ":" + (*params)[0]; Utils->DoOneToMany(ServerInstance->Config->ServerName,"OPERNOTICE",*params); } else if (event->GetEventID() == "send_modeset") { if (params->size() < 2) return; (*params)[1] = ":" + (*params)[1]; Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODENOTICE",*params); } else if (event->GetEventID() == "send_snoset") { if (params->size() < 2) return; (*params)[1] = ":" + (*params)[1]; Utils->DoOneToMany(ServerInstance->Config->ServerName,"SNONOTICE",*params); } else if (event->GetEventID() == "send_push") { if (params->size() < 2) return; userrec *a = ServerInstance->FindNick((*params)[0]); if (!a) return; (*params)[1] = ":" + (*params)[1]; Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", *params, a->server); } } ModuleSpanningTree::~ModuleSpanningTree() { /* This will also free the listeners */ delete Utils; if (SyncTimer) ServerInstance->Timers->DelTimer(SyncTimer); ServerInstance->Timers->DelTimer(RefreshTimer); ServerInstance->DoneWithInterface("InspSocketHook"); } Version ModuleSpanningTree::GetVersion() { return Version(1,1,0,2,VF_VENDOR,API_VERSION); } void ModuleSpanningTree::Implements(char* List) { List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1; List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1; List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1; List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1; List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1; List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1; List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1; } /* It is IMPORTANT that m_spanningtree is the last module in the chain * so that any activity it sees is FINAL, e.g. we arent going to send out * a NICK message before m_cloaking has finished putting the +x on the user, * etc etc. * Therefore, we return PRIORITY_LAST to make sure we end up at the END of * the module call queue. */ Priority ModuleSpanningTree::Prioritize() { return PRIORITY_LAST; } MODULE_INIT(ModuleSpanningTree) \ No newline at end of file diff --git a/src/modules/m_spanningtree/main.h b/src/modules/m_spanningtree/main.h index c184ef076..5bfb73e6a 100644 --- a/src/modules/m_spanningtree/main.h +++ b/src/modules/m_spanningtree/main.h @@ -1,198 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __ST_MAIN__ -#define __ST_MAIN__ - -#include "inspircd.h" -#include "modules.h" - -/** If you make a change which breaks the protocol, increment this. - * If you completely change the protocol, completely change the number. - * - * IMPORTANT: If you make changes, document your changes here, without fail: - * http://www.inspircd.org/wiki/List_of_protocol_changes_between_versions - * - * Failure to document your protocol changes will result in a painfully - * painful death by pain. You have been warned. - */ -const long ProtocolVersion = 1105; - -/** Forward declarations - */ -class cmd_rconnect; -class cmd_rsquit; -class SpanningTreeUtilities; -class TimeSyncTimer; -class CacheRefreshTimer; -class TreeServer; -class Link; - -/** This is the main class for the spanningtree module - */ -class ModuleSpanningTree : public Module -{ - int line; - int NumServers; - unsigned int max_local; - unsigned int max_global; - cmd_rconnect* command_rconnect; - cmd_rsquit* command_rsquit; - SpanningTreeUtilities* Utils; - - public: - /** Timer for clock syncs - */ - TimeSyncTimer *SyncTimer; - - CacheRefreshTimer *RefreshTimer; - - /** Constructor - */ - ModuleSpanningTree(InspIRCd* Me); - - /** Shows /LINKS - */ - void ShowLinks(TreeServer* Current, userrec* user, int hops); - - /** Counts local servers - */ - int CountLocalServs(); - - /** Counts local and remote servers - */ - int CountServs(); - - /** Handle LINKS command - */ - void HandleLinks(const char** parameters, int pcnt, userrec* user); - - /** Handle LUSERS command - */ - void HandleLusers(const char** parameters, int pcnt, userrec* user); - - /** Show MAP output to a user (recursive) - */ - void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers); - - /** Handle remote MOTD - */ - int HandleMotd(const char** parameters, int pcnt, userrec* user); - - /** Handle remote ADMIN - */ - int HandleAdmin(const char** parameters, int pcnt, userrec* user); - - /** Handle remote STATS - */ - int HandleStats(const char** parameters, int pcnt, userrec* user); - - /** Handle MAP command - */ - void HandleMap(const char** parameters, int pcnt, userrec* user); - - /** Handle SQUIT - */ - int HandleSquit(const char** parameters, int pcnt, userrec* user); - - /** Handle TIME - */ - int HandleTime(const char** parameters, int pcnt, userrec* user); - - /** Handle remote WHOIS - */ - int HandleRemoteWhois(const char** parameters, int pcnt, userrec* user); - - /** Handle remote MODULES - */ - int HandleModules(const char** parameters, int pcnt, userrec* user); - - /** Ping all local servers - */ - void DoPingChecks(time_t curtime); - - /** Connect a server locally - */ - void ConnectServer(Link* x); - - /** Check if any servers are due to be autoconnected - */ - void AutoConnectServers(time_t curtime); - - /** Handle remote VERSON - */ - int HandleVersion(const char** parameters, int pcnt, userrec* user); - - /** Handle CONNECT - */ - int HandleConnect(const char** parameters, int pcnt, userrec* user); - - /** Send out time sync to all servers - */ - void BroadcastTimeSync(); - - /** Returns oper-specific MAP information - */ - const std::string MapOperInfo(TreeServer* Current); - - /** Display a time as a human readable string - */ - std::string TimeToStr(time_t secs); - - /** - ** *** MODULE EVENTS *** - **/ - - virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line); - virtual void OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line); - virtual void OnGetServerDescription(const std::string &servername,std::string &description); - virtual void OnUserInvite(userrec* source,userrec* dest,chanrec* channel); - virtual void OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic); - virtual void OnWallops(userrec* user, const std::string &text); - virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); - virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); - virtual void OnBackgroundTimer(time_t curtime); - virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent); - virtual void OnChangeHost(userrec* user, const std::string &newhost); - virtual void OnChangeName(userrec* user, const std::string &gecos); - virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent); - virtual void OnUserConnect(userrec* user); - virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message); - virtual void OnUserPostNick(userrec* user, const std::string &oldnick); - virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent); - virtual void OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason); - virtual void OnRehash(userrec* user, const std::string ¶meter); - virtual void OnOper(userrec* user, const std::string &opertype); - void OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason); - virtual void OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask); - virtual void OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask); - virtual void OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask); - virtual void OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask); - virtual void OnDelGLine(userrec* source, const std::string &hostmask); - virtual void OnDelZLine(userrec* source, const std::string &ipmask); - virtual void OnDelQLine(userrec* source, const std::string &nickmask); - virtual void OnDelELine(userrec* source, const std::string &hostmask); - virtual void OnMode(userrec* user, void* dest, int target_type, const std::string &text); - virtual int OnStats(char statschar, userrec* user, string_list &results); - virtual void OnSetAway(userrec* user); - virtual void OnCancelAway(userrec* user); - virtual void ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline); - virtual void ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata); - virtual void OnEvent(Event* event); - virtual ~ModuleSpanningTree(); - virtual Version GetVersion(); - void Implements(char* List); - Priority Prioritize(); -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __ST_MAIN__ #define __ST_MAIN__ #include "inspircd.h" #include "modules.h" /** If you make a change which breaks the protocol, increment this. * If you completely change the protocol, completely change the number. * * IMPORTANT: If you make changes, document your changes here, without fail: * http://www.inspircd.org/wiki/List_of_protocol_changes_between_versions * * Failure to document your protocol changes will result in a painfully * painful death by pain. You have been warned. */ const long ProtocolVersion = 1105; /** Forward declarations */ class cmd_rconnect; class cmd_rsquit; class SpanningTreeUtilities; class TimeSyncTimer; class CacheRefreshTimer; class TreeServer; class Link; /** This is the main class for the spanningtree module */ class ModuleSpanningTree : public Module { int line; int NumServers; unsigned int max_local; unsigned int max_global; cmd_rconnect* command_rconnect; cmd_rsquit* command_rsquit; SpanningTreeUtilities* Utils; public: /** Timer for clock syncs */ TimeSyncTimer *SyncTimer; CacheRefreshTimer *RefreshTimer; /** Constructor */ ModuleSpanningTree(InspIRCd* Me); /** Shows /LINKS */ void ShowLinks(TreeServer* Current, userrec* user, int hops); /** Counts local servers */ int CountLocalServs(); /** Counts local and remote servers */ int CountServs(); /** Handle LINKS command */ void HandleLinks(const char** parameters, int pcnt, userrec* user); /** Handle LUSERS command */ void HandleLusers(const char** parameters, int pcnt, userrec* user); /** Show MAP output to a user (recursive) */ void ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[128][128], float &totusers, float &totservers); /** Handle remote MOTD */ int HandleMotd(const char** parameters, int pcnt, userrec* user); /** Handle remote ADMIN */ int HandleAdmin(const char** parameters, int pcnt, userrec* user); /** Handle remote STATS */ int HandleStats(const char** parameters, int pcnt, userrec* user); /** Handle MAP command */ void HandleMap(const char** parameters, int pcnt, userrec* user); /** Handle SQUIT */ int HandleSquit(const char** parameters, int pcnt, userrec* user); /** Handle TIME */ int HandleTime(const char** parameters, int pcnt, userrec* user); /** Handle remote WHOIS */ int HandleRemoteWhois(const char** parameters, int pcnt, userrec* user); /** Handle remote MODULES */ int HandleModules(const char** parameters, int pcnt, userrec* user); /** Ping all local servers */ void DoPingChecks(time_t curtime); /** Connect a server locally */ void ConnectServer(Link* x); /** Check if any servers are due to be autoconnected */ void AutoConnectServers(time_t curtime); /** Handle remote VERSON */ int HandleVersion(const char** parameters, int pcnt, userrec* user); /** Handle CONNECT */ int HandleConnect(const char** parameters, int pcnt, userrec* user); /** Send out time sync to all servers */ void BroadcastTimeSync(); /** Returns oper-specific MAP information */ const std::string MapOperInfo(TreeServer* Current); /** Display a time as a human readable string */ std::string TimeToStr(time_t secs); /** ** *** MODULE EVENTS *** **/ virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line); virtual void OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line); virtual void OnGetServerDescription(const std::string &servername,std::string &description); virtual void OnUserInvite(userrec* source,userrec* dest,chanrec* channel); virtual void OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic); virtual void OnWallops(userrec* user, const std::string &text); virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); virtual void OnBackgroundTimer(time_t curtime); virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent); virtual void OnChangeHost(userrec* user, const std::string &newhost); virtual void OnChangeName(userrec* user, const std::string &gecos); virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent); virtual void OnUserConnect(userrec* user); virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message); virtual void OnUserPostNick(userrec* user, const std::string &oldnick); virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent); virtual void OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason); virtual void OnRehash(userrec* user, const std::string ¶meter); virtual void OnOper(userrec* user, const std::string &opertype); void OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason); virtual void OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask); virtual void OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask); virtual void OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask); virtual void OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask); virtual void OnDelGLine(userrec* source, const std::string &hostmask); virtual void OnDelZLine(userrec* source, const std::string &ipmask); virtual void OnDelQLine(userrec* source, const std::string &nickmask); virtual void OnDelELine(userrec* source, const std::string &hostmask); virtual void OnMode(userrec* user, void* dest, int target_type, const std::string &text); virtual int OnStats(char statschar, userrec* user, string_list &results); virtual void OnSetAway(userrec* user); virtual void OnCancelAway(userrec* user); virtual void ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline); virtual void ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata); virtual void OnEvent(Event* event); virtual ~ModuleSpanningTree(); virtual Version GetVersion(); void Implements(char* List); Priority Prioritize(); }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/rconnect.cpp b/src/modules/m_spanningtree/rconnect.cpp index 5500ccdc0..88b1fde8b 100644 --- a/src/modules/m_spanningtree/rconnect.cpp +++ b/src/modules/m_spanningtree/rconnect.cpp @@ -1,67 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/timesynctimer.h" -#include "m_spanningtree/resolvers.h" -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" -#include "m_spanningtree/rconnect.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rconnect.h */ - -cmd_rconnect::cmd_rconnect (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util) : command_t(Instance, "RCONNECT", 'o', 2), Creator(Callback), Utils(Util) -{ - this->source = "m_spanningtree.so"; - syntax = " "; -} - -CmdResult cmd_rconnect::Handle (const char** parameters, int pcnt, userrec *user) -{ - if (IS_LOCAL(user)) - { - if (!Utils->FindServerMask(parameters[0])) - { - user->WriteServ("NOTICE %s :*** RCONNECT: Server \002%s\002 isn't connected to the network!", user->nick, parameters[0]); - return CMD_FAILURE; - } - user->WriteServ("NOTICE %s :*** RCONNECT: Sending remote connect to \002%s\002 to connect server \002%s\002.",user->nick,parameters[0],parameters[1]); - } - - /* Is this aimed at our server? */ - if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameters[0])) - { - /* Yes, initiate the given connect */ - ServerInstance->SNO->WriteToSnoMask('l',"Remote CONNECT from %s matching \002%s\002, connecting server \002%s\002",user->nick,parameters[0],parameters[1]); - const char* para[1]; - para[0] = parameters[1]; - std::string original_command = std::string("CONNECT ") + parameters[1]; - Creator->OnPreCommand("CONNECT", para, 1, user, true, original_command); - } - return CMD_SUCCESS; -} - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/timesynctimer.h" #include "m_spanningtree/resolvers.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" #include "m_spanningtree/rconnect.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rconnect.h */ cmd_rconnect::cmd_rconnect (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util) : command_t(Instance, "RCONNECT", 'o', 2), Creator(Callback), Utils(Util) { this->source = "m_spanningtree.so"; syntax = " "; } CmdResult cmd_rconnect::Handle (const char** parameters, int pcnt, userrec *user) { if (IS_LOCAL(user)) { if (!Utils->FindServerMask(parameters[0])) { user->WriteServ("NOTICE %s :*** RCONNECT: Server \002%s\002 isn't connected to the network!", user->nick, parameters[0]); return CMD_FAILURE; } user->WriteServ("NOTICE %s :*** RCONNECT: Sending remote connect to \002%s\002 to connect server \002%s\002.",user->nick,parameters[0],parameters[1]); } /* Is this aimed at our server? */ if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameters[0])) { /* Yes, initiate the given connect */ ServerInstance->SNO->WriteToSnoMask('l',"Remote CONNECT from %s matching \002%s\002, connecting server \002%s\002",user->nick,parameters[0],parameters[1]); const char* para[1]; para[0] = parameters[1]; std::string original_command = std::string("CONNECT ") + parameters[1]; Creator->OnPreCommand("CONNECT", para, 1, user, true, original_command); } return CMD_SUCCESS; } \ No newline at end of file diff --git a/src/modules/m_spanningtree/rconnect.h b/src/modules/m_spanningtree/rconnect.h index 77e271949..fca96f4a8 100644 --- a/src/modules/m_spanningtree/rconnect.h +++ b/src/modules/m_spanningtree/rconnect.h @@ -1,28 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __RCONNECT_H__ -#define __RCONNECT_H__ - -/** Handle /RCONNECT - */ -class cmd_rconnect : public command_t -{ - Module* Creator; /* Creator */ - SpanningTreeUtilities* Utils; /* Utility class */ - public: - cmd_rconnect (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util); - CmdResult Handle (const char** parameters, int pcnt, userrec *user); -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __RCONNECT_H__ #define __RCONNECT_H__ /** Handle /RCONNECT */ class cmd_rconnect : public command_t { Module* Creator; /* Creator */ SpanningTreeUtilities* Utils; /* Utility class */ public: cmd_rconnect (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util); CmdResult Handle (const char** parameters, int pcnt, userrec *user); }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/resolvers.cpp b/src/modules/m_spanningtree/resolvers.cpp index 0d94da99f..80971c699 100644 --- a/src/modules/m_spanningtree/resolvers.cpp +++ b/src/modules/m_spanningtree/resolvers.cpp @@ -1,88 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/resolvers.h" -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ - -/** This class is used to resolve server hostnames during /connect and autoconnect. - * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this - * resolver step first ourselves if we need it. This is totally nonblocking, and will - * callback to OnLookupComplete or OnError when completed. Once it has completed we - * will have an IP address which we can then use to continue our connection. - */ -ServernameResolver::ServernameResolver(Module* me, SpanningTreeUtilities* Util, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt) : Resolver(Instance, hostname, qt, cached, me), MyLink(x), Utils(Util), query(qt), host(hostname), mine(me) -{ - /* Nothing in here, folks */ -} - -void ServernameResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) -{ - /* Initiate the connection, now that we have an IP to use. - * Passing a hostname directly to InspSocket causes it to - * just bail and set its FD to -1. - */ - TreeServer* CheckDupe = Utils->FindServer(MyLink.Name.c_str()); - if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */ - { - - if ((!MyLink.Hook.empty()) && (Utils->hooks.find(MyLink.Hook.c_str()) == Utils->hooks.end())) - return; - - TreeSocket* newsocket = new TreeSocket(this->Utils, ServerInstance, result,MyLink.Port,false,MyLink.Timeout ? MyLink.Timeout : 10,MyLink.Name.c_str(), - MyLink.Bind, MyLink.Hook.empty() ? NULL : Utils->hooks[MyLink.Hook.c_str()]); - if (newsocket->GetFd() > -1) - { - /* We're all OK */ - } - else - { - /* Something barfed, show the opers */ - ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno)); - delete newsocket; - Utils->DoFailOver(&MyLink); - } - } -} - -void ServernameResolver::OnError(ResolverError e, const std::string &errormessage) -{ - /* Ooops! */ - if (query == DNS_QUERY_AAAA) - { - bool cached; - ServernameResolver* snr = new ServernameResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A); - ServerInstance->AddResolver(snr, cached); - return; - } - ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str()); - Utils->DoFailOver(&MyLink); -} - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/resolvers.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ /** This class is used to resolve server hostnames during /connect and autoconnect. * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this * resolver step first ourselves if we need it. This is totally nonblocking, and will * callback to OnLookupComplete or OnError when completed. Once it has completed we * will have an IP address which we can then use to continue our connection. */ ServernameResolver::ServernameResolver(Module* me, SpanningTreeUtilities* Util, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt) : Resolver(Instance, hostname, qt, cached, me), MyLink(x), Utils(Util), query(qt), host(hostname), mine(me) { /* Nothing in here, folks */ } void ServernameResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) { /* Initiate the connection, now that we have an IP to use. * Passing a hostname directly to InspSocket causes it to * just bail and set its FD to -1. */ TreeServer* CheckDupe = Utils->FindServer(MyLink.Name.c_str()); if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */ { if ((!MyLink.Hook.empty()) && (Utils->hooks.find(MyLink.Hook.c_str()) == Utils->hooks.end())) return; TreeSocket* newsocket = new TreeSocket(this->Utils, ServerInstance, result,MyLink.Port,false,MyLink.Timeout ? MyLink.Timeout : 10,MyLink.Name.c_str(), MyLink.Bind, MyLink.Hook.empty() ? NULL : Utils->hooks[MyLink.Hook.c_str()]); if (newsocket->GetFd() > -1) { /* We're all OK */ } else { /* Something barfed, show the opers */ ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno)); delete newsocket; Utils->DoFailOver(&MyLink); } } } void ServernameResolver::OnError(ResolverError e, const std::string &errormessage) { /* Ooops! */ if (query == DNS_QUERY_AAAA) { bool cached; ServernameResolver* snr = new ServernameResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A); ServerInstance->AddResolver(snr, cached); return; } ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str()); Utils->DoFailOver(&MyLink); } \ No newline at end of file diff --git a/src/modules/m_spanningtree/resolvers.h b/src/modules/m_spanningtree/resolvers.h index 06fd05bad..0ba9d6bd6 100644 --- a/src/modules/m_spanningtree/resolvers.h +++ b/src/modules/m_spanningtree/resolvers.h @@ -1,90 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __RESOLVERS__H__ -#define __RESOLVERS__H__ - -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "inspircd.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/utils.h" -#include "m_spanningtree/link.h" - -/** Handle resolving of server IPs for the cache - */ -class SecurityIPResolver : public Resolver -{ - private: - Link MyLink; - SpanningTreeUtilities* Utils; - Module* mine; - std::string host; - QueryType query; - public: - SecurityIPResolver(Module* me, SpanningTreeUtilities* U, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt) - : Resolver(Instance, hostname, qt, cached, me), MyLink(x), Utils(U), mine(me), host(hostname), query(qt) - { - } - - void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) - { - Utils->ValidIPs.push_back(result); - } - - void OnError(ResolverError e, const std::string &errormessage) - { - if (query == DNS_QUERY_AAAA) - { - bool cached; - SecurityIPResolver* res = new SecurityIPResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A); - ServerInstance->AddResolver(res, cached); - return; - } - ServerInstance->Log(DEFAULT,"Could not resolve IP associated with Link '%s': %s",MyLink.Name.c_str(),errormessage.c_str()); - } -}; - -/** This class is used to resolve server hostnames during /connect and autoconnect. - * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this - * resolver step first ourselves if we need it. This is totally nonblocking, and will - * callback to OnLookupComplete or OnError when completed. Once it has completed we - * will have an IP address which we can then use to continue our connection. - */ -class ServernameResolver : public Resolver -{ - private: - /** A copy of the Link tag info for what we're connecting to. - * We take a copy, rather than using a pointer, just in case the - * admin takes the tag away and rehashes while the domain is resolving. - */ - Link MyLink; - SpanningTreeUtilities* Utils; - QueryType query; - std::string host; - Module* mine; - public: - ServernameResolver(Module* me, SpanningTreeUtilities* Util, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt); - void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached); - void OnError(ResolverError e, const std::string &errormessage); -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __RESOLVERS__H__ #define __RESOLVERS__H__ #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "inspircd.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/link.h" /** Handle resolving of server IPs for the cache */ class SecurityIPResolver : public Resolver { private: Link MyLink; SpanningTreeUtilities* Utils; Module* mine; std::string host; QueryType query; public: SecurityIPResolver(Module* me, SpanningTreeUtilities* U, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt) : Resolver(Instance, hostname, qt, cached, me), MyLink(x), Utils(U), mine(me), host(hostname), query(qt) { } void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) { Utils->ValidIPs.push_back(result); } void OnError(ResolverError e, const std::string &errormessage) { if (query == DNS_QUERY_AAAA) { bool cached; SecurityIPResolver* res = new SecurityIPResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A); ServerInstance->AddResolver(res, cached); return; } ServerInstance->Log(DEFAULT,"Could not resolve IP associated with Link '%s': %s",MyLink.Name.c_str(),errormessage.c_str()); } }; /** This class is used to resolve server hostnames during /connect and autoconnect. * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this * resolver step first ourselves if we need it. This is totally nonblocking, and will * callback to OnLookupComplete or OnError when completed. Once it has completed we * will have an IP address which we can then use to continue our connection. */ class ServernameResolver : public Resolver { private: /** A copy of the Link tag info for what we're connecting to. * We take a copy, rather than using a pointer, just in case the * admin takes the tag away and rehashes while the domain is resolving. */ Link MyLink; SpanningTreeUtilities* Utils; QueryType query; std::string host; Module* mine; public: ServernameResolver(Module* me, SpanningTreeUtilities* Util, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt); void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached); void OnError(ResolverError e, const std::string &errormessage); }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/rsquit.cpp b/src/modules/m_spanningtree/rsquit.cpp index 5f3d33fc0..7bb6abfc1 100644 --- a/src/modules/m_spanningtree/rsquit.cpp +++ b/src/modules/m_spanningtree/rsquit.cpp @@ -1,123 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/timesynctimer.h" -#include "m_spanningtree/resolvers.h" -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" -#include "m_spanningtree/rsquit.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rsquit.h */ - -cmd_rsquit::cmd_rsquit (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util) : command_t(Instance, "RSQUIT", 'o', 1), Creator(Callback), Utils(Util) -{ - this->source = "m_spanningtree.so"; - syntax = " [target-server-mask]"; -} - -CmdResult cmd_rsquit::Handle (const char** parameters, int pcnt, userrec *user) -{ - if (IS_LOCAL(user)) - { - if (!Utils->FindServerMask(parameters[0])) - { - user->WriteServ("NOTICE %s :*** RSQUIT: Server \002%s\002 isn't connected to the network!", user->nick, parameters[0]); - return CMD_FAILURE; - } - if (pcnt > 1) - user->WriteServ("NOTICE %s :*** RSQUIT: Sending remote squit to \002%s\002 to squit server \002%s\002.",user->nick,parameters[0],parameters[1]); - else - user->WriteServ("NOTICE %s :*** RSQUIT: Sending remote squit for server \002%s\002.",user->nick,parameters[0]); - } - - TreeServer* s = (pcnt > 1) ? Utils->FindServerMask(parameters[1]) : Utils->FindServerMask(parameters[0]); - - if (pcnt > 1) - { - if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameters[0])) - { - if (s) - { - if (s == Utils->TreeRoot) - { - NoticeUser(user, "*** RSQUIT: Foolish mortal, you cannot make a server SQUIT itself! ("+ConvToStr(parameters[1])+" matches local server name)"); - return CMD_FAILURE; - } - TreeSocket* sock = s->GetSocket(); - if (!sock) - { - NoticeUser(user, "*** RSQUIT: Server \002"+ConvToStr(parameters[1])+"\002 isn't connected to \002"+ConvToStr(parameters[0])+"\002."); - return CMD_FAILURE; - } - ServerInstance->SNO->WriteToSnoMask('l',"Remote SQUIT from %s matching \002%s\002, squitting server \002%s\002",user->nick,parameters[0],parameters[1]); - const char* para[1]; - para[0] = parameters[1]; - std::string original_command = std::string("SQUIT ") + parameters[1]; - Creator->OnPreCommand("SQUIT", para, 1, user, true, original_command); - return CMD_LOCALONLY; - } - } - } - else - { - if (s) - { - if (s == Utils->TreeRoot) - { - NoticeUser(user, "*** RSQUIT: Foolish mortal, you cannot make a server SQUIT itself! ("+ConvToStr(parameters[0])+" matches local server name)"); - return CMD_FAILURE; - } - TreeSocket* sock = s->GetSocket(); - if (sock) - { - ServerInstance->SNO->WriteToSnoMask('l',"RSQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick); - sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost()); - ServerInstance->SE->DelFd(sock); - sock->Close(); - return CMD_LOCALONLY; - } - } - } - - return CMD_SUCCESS; -} - -void cmd_rsquit::NoticeUser(userrec* user, const std::string &msg) -{ - if (IS_LOCAL(user)) - { - user->WriteServ("NOTICE %s :%s",user->nick,msg.c_str()); - } - else - { - std::deque params; - params.push_back(user->nick); - params.push_back("NOTICE "+ConvToStr(user->nick)+" :"+msg); - Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", params, user->server); - } -} +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/timesynctimer.h" #include "m_spanningtree/resolvers.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" #include "m_spanningtree/rsquit.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rsquit.h */ cmd_rsquit::cmd_rsquit (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util) : command_t(Instance, "RSQUIT", 'o', 1), Creator(Callback), Utils(Util) { this->source = "m_spanningtree.so"; syntax = " [target-server-mask]"; } CmdResult cmd_rsquit::Handle (const char** parameters, int pcnt, userrec *user) { if (IS_LOCAL(user)) { if (!Utils->FindServerMask(parameters[0])) { user->WriteServ("NOTICE %s :*** RSQUIT: Server \002%s\002 isn't connected to the network!", user->nick, parameters[0]); return CMD_FAILURE; } if (pcnt > 1) user->WriteServ("NOTICE %s :*** RSQUIT: Sending remote squit to \002%s\002 to squit server \002%s\002.",user->nick,parameters[0],parameters[1]); else user->WriteServ("NOTICE %s :*** RSQUIT: Sending remote squit for server \002%s\002.",user->nick,parameters[0]); } TreeServer* s = (pcnt > 1) ? Utils->FindServerMask(parameters[1]) : Utils->FindServerMask(parameters[0]); if (pcnt > 1) { if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameters[0])) { if (s) { if (s == Utils->TreeRoot) { NoticeUser(user, "*** RSQUIT: Foolish mortal, you cannot make a server SQUIT itself! ("+ConvToStr(parameters[1])+" matches local server name)"); return CMD_FAILURE; } TreeSocket* sock = s->GetSocket(); if (!sock) { NoticeUser(user, "*** RSQUIT: Server \002"+ConvToStr(parameters[1])+"\002 isn't connected to \002"+ConvToStr(parameters[0])+"\002."); return CMD_FAILURE; } ServerInstance->SNO->WriteToSnoMask('l',"Remote SQUIT from %s matching \002%s\002, squitting server \002%s\002",user->nick,parameters[0],parameters[1]); const char* para[1]; para[0] = parameters[1]; std::string original_command = std::string("SQUIT ") + parameters[1]; Creator->OnPreCommand("SQUIT", para, 1, user, true, original_command); return CMD_LOCALONLY; } } } else { if (s) { if (s == Utils->TreeRoot) { NoticeUser(user, "*** RSQUIT: Foolish mortal, you cannot make a server SQUIT itself! ("+ConvToStr(parameters[0])+" matches local server name)"); return CMD_FAILURE; } TreeSocket* sock = s->GetSocket(); if (sock) { ServerInstance->SNO->WriteToSnoMask('l',"RSQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick); sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost()); ServerInstance->SE->DelFd(sock); sock->Close(); return CMD_LOCALONLY; } } } return CMD_SUCCESS; } void cmd_rsquit::NoticeUser(userrec* user, const std::string &msg) { if (IS_LOCAL(user)) { user->WriteServ("NOTICE %s :%s",user->nick,msg.c_str()); } else { std::deque params; params.push_back(user->nick); params.push_back("NOTICE "+ConvToStr(user->nick)+" :"+msg); Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", params, user->server); } } \ No newline at end of file diff --git a/src/modules/m_spanningtree/rsquit.h b/src/modules/m_spanningtree/rsquit.h index 81e9bc2b7..ed9eb83d4 100644 --- a/src/modules/m_spanningtree/rsquit.h +++ b/src/modules/m_spanningtree/rsquit.h @@ -1,29 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __RSQUIT_H__ -#define __RSQUIT_H__ - -/** Handle /RCONNECT - */ -class cmd_rsquit : public command_t -{ - Module* Creator; /* Creator */ - SpanningTreeUtilities* Utils; /* Utility class */ - public: - cmd_rsquit (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util); - CmdResult Handle (const char** parameters, int pcnt, userrec *user); - void NoticeUser(userrec* user, const std::string &msg); -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __RSQUIT_H__ #define __RSQUIT_H__ /** Handle /RCONNECT */ class cmd_rsquit : public command_t { Module* Creator; /* Creator */ SpanningTreeUtilities* Utils; /* Utility class */ public: cmd_rsquit (InspIRCd* Instance, Module* Callback, SpanningTreeUtilities* Util); CmdResult Handle (const char** parameters, int pcnt, userrec *user); void NoticeUser(userrec* user, const std::string &msg); }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/timesynctimer.cpp b/src/modules/m_spanningtree/timesynctimer.cpp index af615e91e..8ecb84a4b 100644 --- a/src/modules/m_spanningtree/timesynctimer.cpp +++ b/src/modules/m_spanningtree/timesynctimer.cpp @@ -1,52 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/timesynctimer.h" -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ - -TimeSyncTimer::TimeSyncTimer(InspIRCd *Inst, ModuleSpanningTree *Mod) : InspTimer(600, Inst->Time(), true), Instance(Inst), Module(Mod) -{ -} - -void TimeSyncTimer::Tick(time_t TIME) -{ - Module->BroadcastTimeSync(); -} - -CacheRefreshTimer::CacheRefreshTimer(InspIRCd *Inst, SpanningTreeUtilities *Util) : InspTimer(3600, Inst->Time(), true), Instance(Inst), Utils(Util) -{ -} - -void CacheRefreshTimer::Tick(time_t TIME) -{ - Utils->RefreshIPCache(); -} - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/timesynctimer.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ TimeSyncTimer::TimeSyncTimer(InspIRCd *Inst, ModuleSpanningTree *Mod) : InspTimer(600, Inst->Time(), true), Instance(Inst), Module(Mod) { } void TimeSyncTimer::Tick(time_t TIME) { Module->BroadcastTimeSync(); } CacheRefreshTimer::CacheRefreshTimer(InspIRCd *Inst, SpanningTreeUtilities *Util) : InspTimer(3600, Inst->Time(), true), Instance(Inst), Utils(Util) { } void CacheRefreshTimer::Tick(time_t TIME) { Utils->RefreshIPCache(); } \ No newline at end of file diff --git a/src/modules/m_spanningtree/timesynctimer.h b/src/modules/m_spanningtree/timesynctimer.h index 434ee253c..dd23ee171 100644 --- a/src/modules/m_spanningtree/timesynctimer.h +++ b/src/modules/m_spanningtree/timesynctimer.h @@ -1,47 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __TIMESYNC_H__ -#define __TIMESYNC_H__ - -#include "timer.h" - -class ModuleSpanningTree; -class SpanningTreeUtilities; -class InspIRCd; - -/** Create a timer which recurs every second, we inherit from InspTimer. - * InspTimer is only one-shot however, so at the end of each Tick() we simply - * insert another of ourselves into the pending queue :) - */ -class TimeSyncTimer : public InspTimer -{ - private: - InspIRCd *Instance; - ModuleSpanningTree *Module; - public: - TimeSyncTimer(InspIRCd *Instance, ModuleSpanningTree *Mod); - virtual void Tick(time_t TIME); -}; - -class CacheRefreshTimer : public InspTimer -{ - private: - InspIRCd *Instance; - SpanningTreeUtilities *Utils; - public: - CacheRefreshTimer(InspIRCd *Instance, SpanningTreeUtilities* Util); - virtual void Tick(time_t TIME); -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __TIMESYNC_H__ #define __TIMESYNC_H__ #include "timer.h" class ModuleSpanningTree; class SpanningTreeUtilities; class InspIRCd; /** Create a timer which recurs every second, we inherit from InspTimer. * InspTimer is only one-shot however, so at the end of each Tick() we simply * insert another of ourselves into the pending queue :) */ class TimeSyncTimer : public InspTimer { private: InspIRCd *Instance; ModuleSpanningTree *Module; public: TimeSyncTimer(InspIRCd *Instance, ModuleSpanningTree *Mod); virtual void Tick(time_t TIME); }; class CacheRefreshTimer : public InspTimer { private: InspIRCd *Instance; SpanningTreeUtilities *Utils; public: CacheRefreshTimer(InspIRCd *Instance, SpanningTreeUtilities* Util); virtual void Tick(time_t TIME); }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/treeserver.cpp b/src/modules/m_spanningtree/treeserver.cpp index b5cac1802..670f7e420 100644 --- a/src/modules/m_spanningtree/treeserver.cpp +++ b/src/modules/m_spanningtree/treeserver.cpp @@ -1,325 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" - -/* $ModDep: m_spanningtree/utils.h m_spanningtree/treeserver.h */ - -TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance) : ServerInstance(Instance), Utils(Util) -{ - Parent = NULL; - ServerName.clear(); - ServerDesc.clear(); - VersionString.clear(); - UserCount = OperCount = 0; - rtt = LastPing = 0; - Hidden = false; - VersionString = ServerInstance->GetVersionString(); -} - -/** We use this constructor only to create the 'root' item, Utils->TreeRoot, which - * represents our own server. Therefore, it has no route, no parent, and - * no socket associated with it. Its version string is our own local version. - */ -TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc) : ServerInstance(Instance), ServerName(Name.c_str()), ServerDesc(Desc), Utils(Util) -{ - Parent = NULL; - VersionString.clear(); - UserCount = ServerInstance->UserCount(); - OperCount = ServerInstance->OperCount(); - VersionString = ServerInstance->GetVersionString(); - Route = NULL; - Socket = NULL; /* Fix by brain */ - rtt = LastPing = 0; - Hidden = false; - AddHashEntry(); -} - -/** When we create a new server, we call this constructor to initialize it. - * This constructor initializes the server's Route and Parent, and sets up - * its ping counters so that it will be pinged one minute from now. - */ -TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock, bool Hide) - : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock), Utils(Util), Hidden(Hide) -{ - VersionString.clear(); - UserCount = OperCount = 0; - this->SetNextPingTime(time(NULL) + 60); - this->SetPingFlag(); - rtt = LastPing = 0; - /* find the 'route' for this server (e.g. the one directly connected - * to the local server, which we can use to reach it) - * - * In the following example, consider we have just added a TreeServer - * class for server G on our network, of which we are server A. - * To route traffic to G (marked with a *) we must send the data to - * B (marked with a +) so this algorithm initializes the 'Route' - * value to point at whichever server traffic must be routed through - * to get here. If we were to try this algorithm with server B, - * the Route pointer would point at its own object ('this'). - * - * A - * / \ - * + B C - * / \ \ - * D E F - * / \ - * * G H - * - * We only run this algorithm when a server is created, as - * the routes remain constant while ever the server exists, and - * do not need to be re-calculated. - */ - - Route = Above; - if (Route == Utils->TreeRoot) - { - Route = this; - } - else - { - while (this->Route->GetParent() != Utils->TreeRoot) - { - this->Route = Route->GetParent(); - } - } - - /* Because recursive code is slow and takes a lot of resources, - * we store two representations of the server tree. The first - * is a recursive structure where each server references its - * children and its parent, which is used for netbursts and - * netsplits to dump the whole dataset to the other server, - * and the second is used for very fast lookups when routing - * messages and is instead a hash_map, where each item can - * be referenced by its server name. The AddHashEntry() - * call below automatically inserts each TreeServer class - * into the hash_map as it is created. There is a similar - * maintainance call in the destructor to tidy up deleted - * servers. - */ - - this->AddHashEntry(); -} - -int TreeServer::QuitUsers(const std::string &reason) -{ - const char* reason_s = reason.c_str(); - std::vector time_to_die; - for (user_hash::iterator n = ServerInstance->clientlist->begin(); n != ServerInstance->clientlist->end(); n++) - { - if (!strcmp(n->second->server, this->ServerName.c_str())) - { - time_to_die.push_back(n->second); - } - } - for (std::vector::iterator n = time_to_die.begin(); n != time_to_die.end(); n++) - { - userrec* a = (userrec*)*n; - if (!IS_LOCAL(a)) - { - if (ServerInstance->Config->HideSplits) - userrec::QuitUser(ServerInstance, a, "*.net *.split", reason_s); - else - userrec::QuitUser(ServerInstance, a, reason_s); - - if (this->Utils->quiet_bursts) - ServerInstance->GlobalCulls.MakeSilent(a); - } - } - return time_to_die.size(); -} - -/** This method is used to add the structure to the - * hash_map for linear searches. It is only called - * by the constructors. - */ -void TreeServer::AddHashEntry() -{ - server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str()); - if (iter == Utils->serverlist.end()) - Utils->serverlist[this->ServerName.c_str()] = this; -} - -/** This method removes the reference to this object - * from the hash_map which is used for linear searches. - * It is only called by the default destructor. - */ -void TreeServer::DelHashEntry() -{ - server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str()); - if (iter != Utils->serverlist.end()) - Utils->serverlist.erase(iter); -} - -/** These accessors etc should be pretty self- - * explanitory. - */ -TreeServer* TreeServer::GetRoute() -{ - return Route; -} - -std::string TreeServer::GetName() -{ - return ServerName.c_str(); -} - -std::string TreeServer::GetDesc() -{ - return ServerDesc; -} - -std::string TreeServer::GetVersion() -{ - return VersionString; -} - -void TreeServer::SetNextPingTime(time_t t) -{ - this->NextPing = t; - LastPingWasGood = false; -} - -time_t TreeServer::NextPingTime() -{ - return NextPing; -} - -bool TreeServer::AnsweredLastPing() -{ - return LastPingWasGood; -} - -void TreeServer::SetPingFlag() -{ - LastPingWasGood = true; -} - -int TreeServer::GetUserCount() -{ - return UserCount; -} - -void TreeServer::AddUserCount() -{ - UserCount++; -} - -void TreeServer::DelUserCount() -{ - UserCount--; -} - -int TreeServer::GetOperCount() -{ - return OperCount; -} - -TreeSocket* TreeServer::GetSocket() -{ - return Socket; -} - -TreeServer* TreeServer::GetParent() -{ - return Parent; -} - -void TreeServer::SetVersion(const std::string &Version) -{ - VersionString = Version; -} - -unsigned int TreeServer::ChildCount() -{ - return Children.size(); -} - -TreeServer* TreeServer::GetChild(unsigned int n) -{ - if (n < Children.size()) - { - /* Make sure they cant request - * an out-of-range object. After - * all we know what these programmer - * types are like *grin*. - */ - return Children[n]; - } - else - { - return NULL; - } -} - -void TreeServer::AddChild(TreeServer* Child) -{ - Children.push_back(Child); -} - -bool TreeServer::DelChild(TreeServer* Child) -{ - for (std::vector::iterator a = Children.begin(); a < Children.end(); a++) - { - if (*a == Child) - { - Children.erase(a); - return true; - } - } - return false; -} - -/** Removes child nodes of this node, and of that node, etc etc. - * This is used during netsplits to automatically tidy up the - * server tree. It is slow, we don't use it for much else. - */ -bool TreeServer::Tidy() -{ - bool stillchildren = true; - while (stillchildren) - { - stillchildren = false; - for (std::vector::iterator a = Children.begin(); a < Children.end(); a++) - { - TreeServer* s = (TreeServer*)*a; - s->Tidy(); - Children.erase(a); - DELETE(s); - stillchildren = true; - break; - } - } - return true; -} - -TreeServer::~TreeServer() -{ - /* We'd better tidy up after ourselves, eh? */ - this->DelHashEntry(); -} - - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" /* $ModDep: m_spanningtree/utils.h m_spanningtree/treeserver.h */ TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance) : ServerInstance(Instance), Utils(Util) { Parent = NULL; ServerName.clear(); ServerDesc.clear(); VersionString.clear(); UserCount = OperCount = 0; rtt = LastPing = 0; Hidden = false; VersionString = ServerInstance->GetVersionString(); } /** We use this constructor only to create the 'root' item, Utils->TreeRoot, which * represents our own server. Therefore, it has no route, no parent, and * no socket associated with it. Its version string is our own local version. */ TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc) : ServerInstance(Instance), ServerName(Name.c_str()), ServerDesc(Desc), Utils(Util) { Parent = NULL; VersionString.clear(); UserCount = ServerInstance->UserCount(); OperCount = ServerInstance->OperCount(); VersionString = ServerInstance->GetVersionString(); Route = NULL; Socket = NULL; /* Fix by brain */ rtt = LastPing = 0; Hidden = false; AddHashEntry(); } /** When we create a new server, we call this constructor to initialize it. * This constructor initializes the server's Route and Parent, and sets up * its ping counters so that it will be pinged one minute from now. */ TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock, bool Hide) : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock), Utils(Util), Hidden(Hide) { VersionString.clear(); UserCount = OperCount = 0; this->SetNextPingTime(time(NULL) + 60); this->SetPingFlag(); rtt = LastPing = 0; /* find the 'route' for this server (e.g. the one directly connected * to the local server, which we can use to reach it) * * In the following example, consider we have just added a TreeServer * class for server G on our network, of which we are server A. * To route traffic to G (marked with a *) we must send the data to * B (marked with a +) so this algorithm initializes the 'Route' * value to point at whichever server traffic must be routed through * to get here. If we were to try this algorithm with server B, * the Route pointer would point at its own object ('this'). * * A * / \ * + B C * / \ \ * D E F * / \ * * G H * * We only run this algorithm when a server is created, as * the routes remain constant while ever the server exists, and * do not need to be re-calculated. */ Route = Above; if (Route == Utils->TreeRoot) { Route = this; } else { while (this->Route->GetParent() != Utils->TreeRoot) { this->Route = Route->GetParent(); } } /* Because recursive code is slow and takes a lot of resources, * we store two representations of the server tree. The first * is a recursive structure where each server references its * children and its parent, which is used for netbursts and * netsplits to dump the whole dataset to the other server, * and the second is used for very fast lookups when routing * messages and is instead a hash_map, where each item can * be referenced by its server name. The AddHashEntry() * call below automatically inserts each TreeServer class * into the hash_map as it is created. There is a similar * maintainance call in the destructor to tidy up deleted * servers. */ this->AddHashEntry(); } int TreeServer::QuitUsers(const std::string &reason) { const char* reason_s = reason.c_str(); std::vector time_to_die; for (user_hash::iterator n = ServerInstance->clientlist->begin(); n != ServerInstance->clientlist->end(); n++) { if (!strcmp(n->second->server, this->ServerName.c_str())) { time_to_die.push_back(n->second); } } for (std::vector::iterator n = time_to_die.begin(); n != time_to_die.end(); n++) { userrec* a = (userrec*)*n; if (!IS_LOCAL(a)) { if (ServerInstance->Config->HideSplits) userrec::QuitUser(ServerInstance, a, "*.net *.split", reason_s); else userrec::QuitUser(ServerInstance, a, reason_s); if (this->Utils->quiet_bursts) ServerInstance->GlobalCulls.MakeSilent(a); } } return time_to_die.size(); } /** This method is used to add the structure to the * hash_map for linear searches. It is only called * by the constructors. */ void TreeServer::AddHashEntry() { server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str()); if (iter == Utils->serverlist.end()) Utils->serverlist[this->ServerName.c_str()] = this; } /** This method removes the reference to this object * from the hash_map which is used for linear searches. * It is only called by the default destructor. */ void TreeServer::DelHashEntry() { server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str()); if (iter != Utils->serverlist.end()) Utils->serverlist.erase(iter); } /** These accessors etc should be pretty self- * explanitory. */ TreeServer* TreeServer::GetRoute() { return Route; } std::string TreeServer::GetName() { return ServerName.c_str(); } std::string TreeServer::GetDesc() { return ServerDesc; } std::string TreeServer::GetVersion() { return VersionString; } void TreeServer::SetNextPingTime(time_t t) { this->NextPing = t; LastPingWasGood = false; } time_t TreeServer::NextPingTime() { return NextPing; } bool TreeServer::AnsweredLastPing() { return LastPingWasGood; } void TreeServer::SetPingFlag() { LastPingWasGood = true; } int TreeServer::GetUserCount() { return UserCount; } void TreeServer::AddUserCount() { UserCount++; } void TreeServer::DelUserCount() { UserCount--; } int TreeServer::GetOperCount() { return OperCount; } TreeSocket* TreeServer::GetSocket() { return Socket; } TreeServer* TreeServer::GetParent() { return Parent; } void TreeServer::SetVersion(const std::string &Version) { VersionString = Version; } unsigned int TreeServer::ChildCount() { return Children.size(); } TreeServer* TreeServer::GetChild(unsigned int n) { if (n < Children.size()) { /* Make sure they cant request * an out-of-range object. After * all we know what these programmer * types are like *grin*. */ return Children[n]; } else { return NULL; } } void TreeServer::AddChild(TreeServer* Child) { Children.push_back(Child); } bool TreeServer::DelChild(TreeServer* Child) { for (std::vector::iterator a = Children.begin(); a < Children.end(); a++) { if (*a == Child) { Children.erase(a); return true; } } return false; } /** Removes child nodes of this node, and of that node, etc etc. * This is used during netsplits to automatically tidy up the * server tree. It is slow, we don't use it for much else. */ bool TreeServer::Tidy() { bool stillchildren = true; while (stillchildren) { stillchildren = false; for (std::vector::iterator a = Children.begin(); a < Children.end(); a++) { TreeServer* s = (TreeServer*)*a; s->Tidy(); Children.erase(a); DELETE(s); stillchildren = true; break; } } return true; } TreeServer::~TreeServer() { /* We'd better tidy up after ourselves, eh? */ this->DelHashEntry(); } \ No newline at end of file diff --git a/src/modules/m_spanningtree/treeserver.h b/src/modules/m_spanningtree/treeserver.h index 514d6bc07..e942c1acc 100644 --- a/src/modules/m_spanningtree/treeserver.h +++ b/src/modules/m_spanningtree/treeserver.h @@ -1,186 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __TREESERVER_H__ -#define __TREESERVER_H__ - -/** Each server in the tree is represented by one class of - * type TreeServer. A locally connected TreeServer can - * have a class of type TreeSocket associated with it, for - * remote servers, the TreeSocket entry will be NULL. - * Each server also maintains a pointer to its parent - * (NULL if this server is ours, at the top of the tree) - * and a pointer to its "Route" (see the comments in the - * constructors below), and also a dynamic list of pointers - * to its children which can be iterated recursively - * if required. Creating or deleting objects of type - i* TreeServer automatically maintains the hash_map of - * TreeServer items, deleting and inserting them as they - * are created and destroyed. - */ -class TreeServer : public classbase -{ - InspIRCd* ServerInstance; /* Creator */ - TreeServer* Parent; /* Parent entry */ - TreeServer* Route; /* Route entry */ - std::vector Children; /* List of child objects */ - irc::string ServerName; /* Server's name */ - std::string ServerDesc; /* Server's description */ - std::string VersionString; /* Version string or empty string */ - int UserCount; /* Not used in this version */ - int OperCount; /* Not used in this version */ - TreeSocket* Socket; /* For directly connected servers this points at the socket object */ - time_t NextPing; /* After this time, the server should be PINGed*/ - bool LastPingWasGood; /* True if the server responded to the last PING with a PONG */ - SpanningTreeUtilities* Utils; /* Utility class */ - - public: - - bool Warned; /* True if we've warned opers about high latency on this server */ - - /** We don't use this constructor. Its a dummy, and won't cause any insertion - * of the TreeServer into the hash_map. See below for the two we DO use. - */ - TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance); - - /** We use this constructor only to create the 'root' item, Utils->TreeRoot, which - * represents our own server. Therefore, it has no route, no parent, and - * no socket associated with it. Its version string is our own local version. - */ - TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc); - - /** When we create a new server, we call this constructor to initialize it. - * This constructor initializes the server's Route and Parent, and sets up - * its ping counters so that it will be pinged one minute from now. - */ - TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock, bool Hide); - - int QuitUsers(const std::string &reason); - - /** This method is used to add the structure to the - * hash_map for linear searches. It is only called - * by the constructors. - */ - void AddHashEntry(); - - /** This method removes the reference to this object - * from the hash_map which is used for linear searches. - * It is only called by the default destructor. - */ - void DelHashEntry(); - - /** Get route. - * The 'route' is defined as the locally- - * connected server which can be used to reach this server. - */ - TreeServer* GetRoute(); - - /** Get server name - */ - std::string GetName(); - - /** Get server description (GECOS) - */ - std::string GetDesc(); - - /** Get server version string - */ - std::string GetVersion(); - - /** Set time we are next due to ping this server - */ - void SetNextPingTime(time_t t); - - /** Get the time we are next due to ping this server - */ - time_t NextPingTime(); - - /** Time of last ping used to calculate this->rtt below - */ - time_t LastPing; - - /** Round trip time of last ping - */ - time_t rtt; - - /** True if this server is hidden - */ - bool Hidden; - - /** True if the server answered their last ping - */ - bool AnsweredLastPing(); - - /** Set the server as responding to its last ping - */ - void SetPingFlag(); - - /** Get the number of users on this server for MAP - */ - int GetUserCount(); - - /** Increment the user counter - */ - void AddUserCount(); - - /** Decrement the user counter - */ - void DelUserCount(); - - /** Get the oper count for this server - */ - int GetOperCount(); - - /** Get the TreeSocket pointer for local servers. - * For remote servers, this returns NULL. - */ - TreeSocket* GetSocket(); - - /** Get the parent server. - * For the root node, this returns NULL. - */ - TreeServer* GetParent(); - - /** Set the server version string - */ - void SetVersion(const std::string &Version); - - /** Return number of child servers - */ - unsigned int ChildCount(); - - /** Return a child server indexed 0..n - */ - TreeServer* GetChild(unsigned int n); - - /** Add a child server - */ - void AddChild(TreeServer* Child); - - /** Delete a child server, return false if it didn't exist. - */ - bool DelChild(TreeServer* Child); - - /** Removes child nodes of this node, and of that node, etc etc. - * This is used during netsplits to automatically tidy up the - * server tree. It is slow, we don't use it for much else. - */ - bool Tidy(); - - /** Destructor - */ - ~TreeServer(); - -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __TREESERVER_H__ #define __TREESERVER_H__ /** Each server in the tree is represented by one class of * type TreeServer. A locally connected TreeServer can * have a class of type TreeSocket associated with it, for * remote servers, the TreeSocket entry will be NULL. * Each server also maintains a pointer to its parent * (NULL if this server is ours, at the top of the tree) * and a pointer to its "Route" (see the comments in the * constructors below), and also a dynamic list of pointers * to its children which can be iterated recursively * if required. Creating or deleting objects of type i* TreeServer automatically maintains the hash_map of * TreeServer items, deleting and inserting them as they * are created and destroyed. */ class TreeServer : public classbase { InspIRCd* ServerInstance; /* Creator */ TreeServer* Parent; /* Parent entry */ TreeServer* Route; /* Route entry */ std::vector Children; /* List of child objects */ irc::string ServerName; /* Server's name */ std::string ServerDesc; /* Server's description */ std::string VersionString; /* Version string or empty string */ int UserCount; /* Not used in this version */ int OperCount; /* Not used in this version */ TreeSocket* Socket; /* For directly connected servers this points at the socket object */ time_t NextPing; /* After this time, the server should be PINGed*/ bool LastPingWasGood; /* True if the server responded to the last PING with a PONG */ SpanningTreeUtilities* Utils; /* Utility class */ public: bool Warned; /* True if we've warned opers about high latency on this server */ /** We don't use this constructor. Its a dummy, and won't cause any insertion * of the TreeServer into the hash_map. See below for the two we DO use. */ TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance); /** We use this constructor only to create the 'root' item, Utils->TreeRoot, which * represents our own server. Therefore, it has no route, no parent, and * no socket associated with it. Its version string is our own local version. */ TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc); /** When we create a new server, we call this constructor to initialize it. * This constructor initializes the server's Route and Parent, and sets up * its ping counters so that it will be pinged one minute from now. */ TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock, bool Hide); int QuitUsers(const std::string &reason); /** This method is used to add the structure to the * hash_map for linear searches. It is only called * by the constructors. */ void AddHashEntry(); /** This method removes the reference to this object * from the hash_map which is used for linear searches. * It is only called by the default destructor. */ void DelHashEntry(); /** Get route. * The 'route' is defined as the locally- * connected server which can be used to reach this server. */ TreeServer* GetRoute(); /** Get server name */ std::string GetName(); /** Get server description (GECOS) */ std::string GetDesc(); /** Get server version string */ std::string GetVersion(); /** Set time we are next due to ping this server */ void SetNextPingTime(time_t t); /** Get the time we are next due to ping this server */ time_t NextPingTime(); /** Time of last ping used to calculate this->rtt below */ time_t LastPing; /** Round trip time of last ping */ time_t rtt; /** True if this server is hidden */ bool Hidden; /** True if the server answered their last ping */ bool AnsweredLastPing(); /** Set the server as responding to its last ping */ void SetPingFlag(); /** Get the number of users on this server for MAP */ int GetUserCount(); /** Increment the user counter */ void AddUserCount(); /** Decrement the user counter */ void DelUserCount(); /** Get the oper count for this server */ int GetOperCount(); /** Get the TreeSocket pointer for local servers. * For remote servers, this returns NULL. */ TreeSocket* GetSocket(); /** Get the parent server. * For the root node, this returns NULL. */ TreeServer* GetParent(); /** Set the server version string */ void SetVersion(const std::string &Version); /** Return number of child servers */ unsigned int ChildCount(); /** Return a child server indexed 0..n */ TreeServer* GetChild(unsigned int n); /** Add a child server */ void AddChild(TreeServer* Child); /** Delete a child server, return false if it didn't exist. */ bool DelChild(TreeServer* Child); /** Removes child nodes of this node, and of that node, etc etc. * This is used during netsplits to automatically tidy up the * server tree. It is slow, we don't use it for much else. */ bool Tidy(); /** Destructor */ ~TreeServer(); }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/treesocket.h b/src/modules/m_spanningtree/treesocket.h index fae22638d..bd99c1480 100644 --- a/src/modules/m_spanningtree/treesocket.h +++ b/src/modules/m_spanningtree/treesocket.h @@ -1,413 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __TREESOCKET_H__ -#define __TREESOCKET_H__ - -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "inspircd.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" - -#include "m_spanningtree/utils.h" - -/* - * The server list in InspIRCd is maintained as two structures - * which hold the data in different ways. Most of the time, we - * want to very quicky obtain three pieces of information: - * - * (1) The information on a server - * (2) The information on the server we must send data through - * to actually REACH the server we're after - * (3) Potentially, the child/parent objects of this server - * - * The InspIRCd spanning protocol provides easy access to these - * by storing the data firstly in a recursive structure, where - * each item references its parent item, and a dynamic list - * of child items, and another structure which stores the items - * hashed, linearly. This means that if we want to find a server - * by name quickly, we can look it up in the hash, avoiding - * any O(n) lookups. If however, during a split or sync, we want - * to apply an operation to a server, and any of its child objects - * we can resort to recursion to walk the tree structure. - * Any socket can have one of five states at any one time. - * The LISTENER state indicates a socket which is listening - * for connections. It cannot receive data itself, only incoming - * sockets. - * The CONNECTING state indicates an outbound socket which is - * waiting to be writeable. - * The WAIT_AUTH_1 state indicates the socket is outbound and - * has successfully connected, but has not yet sent and received - * SERVER strings. - * The WAIT_AUTH_2 state indicates that the socket is inbound - * (allocated by a LISTENER) but has not yet sent and received - * SERVER strings. - * The CONNECTED state represents a fully authorized, fully - * connected server. - */ -enum ServerState { LISTENER, CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED }; - -/** Every SERVER connection inbound or outbound is represented by - * an object of type TreeSocket. - * TreeSockets, being inherited from InspSocket, can be tied into - * the core socket engine, and we cn therefore receive activity events - * for them, just like activex objects on speed. (yes really, that - * is a technical term!) Each of these which relates to a locally - * connected server is assocated with it, by hooking it onto a - * TreeSocket class using its constructor. In this way, we can - * maintain a list of servers, some of which are directly connected, - * some of which are not. - */ -class TreeSocket : public InspSocket -{ - SpanningTreeUtilities* Utils; /* Utility class */ - std::string myhost; /* Canonical hostname */ - std::string in_buffer; /* Input buffer */ - ServerState LinkState; /* Link state */ - std::string InboundServerName; /* Server name sent to us by other side */ - std::string InboundDescription; /* Server description (GECOS) sent to us by the other side */ - int num_lost_users; /* Users lost in split */ - int num_lost_servers; /* Servers lost in split */ - time_t NextPing; /* Time when we are due to ping this server */ - bool LastPingWasGood; /* Responded to last ping we sent? */ - bool bursting; /* True if not finished bursting yet */ - unsigned int keylength; /* Is this still used? */ - std::string ModuleList; /* Module list of other server from CAPAB */ - std::map CapKeys; /* CAPAB keys from other server */ - Module* Hook; /* I/O hooking module that we're attached to for this socket */ - std::string ourchallenge; /* Challenge sent for challenge/response */ - std::string theirchallenge; /* Challenge recv for challenge/response */ - std::string OutboundPass; /* Outbound password */ - bool sentcapab; /* Have sent CAPAB already */ - public: - - /** Because most of the I/O gubbins are encapsulated within - * InspSocket, we just call the superclass constructor for - * most of the action, and append a few of our own values - * to it. - */ - TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, Module* HookMod = NULL); - - /** Because most of the I/O gubbins are encapsulated within - * InspSocket, we just call the superclass constructor for - * most of the action, and append a few of our own values - * to it. - */ - TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, const std::string &ServerName, const std::string &bindto, Module* HookMod = NULL); - - /** When a listening socket gives us a new file descriptor, - * we must associate it with a socket without creating a new - * connection. This constructor is used for this purpose. - */ - TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, int newfd, char* ip, Module* HookMod = NULL); - - /** Get link state - */ - ServerState GetLinkState(); - - /** Get challenge set in our CAPAB for challenge/response - */ - const std::string& GetOurChallenge(); - - /** Get challenge set in our CAPAB for challenge/response - */ - void SetOurChallenge(const std::string &c); - - /** Get challenge set in their CAPAB for challenge/response - */ - const std::string& GetTheirChallenge(); - - /** Get challenge set in their CAPAB for challenge/response - */ - void SetTheirChallenge(const std::string &c); - - /** Compare two passwords based on authentication scheme - */ - bool ComparePass(const std::string &ours, const std::string &theirs); - - /** Return the module which we are hooking to for I/O encapsulation - */ - Module* GetHook(); - - /** Destructor - */ - ~TreeSocket(); - - /** Generate random string used for challenge-response auth - */ - std::string RandString(unsigned int length); - - /** Construct a password, optionally hashed with the other side's - * challenge string - */ - std::string MakePass(const std::string &password, const std::string &challenge); - - /** When an outbound connection finishes connecting, we receive - * this event, and must send our SERVER string to the other - * side. If the other side is happy, as outlined in the server - * to server docs on the inspircd.org site, the other side - * will then send back its own server string. - */ - virtual bool OnConnected(); - - /** Handle socket error event - */ - virtual void OnError(InspSocketError e); - - /** Sends an error to the remote server, and displays it locally to show - * that it was sent. - */ - void SendError(const std::string &errormessage); - - /** Handle socket disconnect event - */ - virtual int OnDisconnect(); - - /** Recursively send the server tree with distances as hops. - * This is used during network burst to inform the other server - * (and any of ITS servers too) of what servers we know about. - * If at any point any of these servers already exist on the other - * end, our connection may be terminated. The hopcounts given - * by this function are relative, this doesn't matter so long as - * they are all >1, as all the remote servers re-calculate them - * to be relative too, with themselves as hop 0. - */ - void SendServers(TreeServer* Current, TreeServer* s, int hops); - - /** Returns my capabilities as a string - */ - std::string MyCapabilities(); - - /** Send my capabilities to the remote side - */ - void SendCapabilities(); - - /* Check a comma seperated list for an item */ - bool HasItem(const std::string &list, const std::string &item); - - /* Isolate and return the elements that are different between two comma seperated lists */ - std::string ListDifference(const std::string &one, const std::string &two); - - bool Capab(const std::deque ¶ms); - - /** This function forces this server to quit, removing this server - * and any users on it (and servers and users below that, etc etc). - * It's very slow and pretty clunky, but luckily unless your network - * is having a REAL bad hair day, this function shouldnt be called - * too many times a month ;-) - */ - void SquitServer(std::string &from, TreeServer* Current); - - /** This is a wrapper function for SquitServer above, which - * does some validation first and passes on the SQUIT to all - * other remaining servers. - */ - void Squit(TreeServer* Current, const std::string &reason); - - /** FMODE command - server mode with timestamp checks */ - bool ForceMode(const std::string &source, std::deque ¶ms); - - /** FTOPIC command */ - bool ForceTopic(const std::string &source, std::deque ¶ms); - - /** FJOIN, similar to TS6 SJOIN, but not quite. */ - bool ForceJoin(const std::string &source, std::deque ¶ms); - - /** NICK command */ - bool IntroduceClient(const std::string &source, std::deque ¶ms); - - /** Send one or more FJOINs for a channel of users. - * If the length of a single line is more than 480-NICKMAX - * in length, it is split over multiple lines. - */ - void SendFJoins(TreeServer* Current, chanrec* c); - - /** Send G, Q, Z and E lines */ - void SendXLines(TreeServer* Current); - - /** Send channel modes and topics */ - void SendChannelModes(TreeServer* Current); - - /** send all users and their oper state/modes */ - void SendUsers(TreeServer* Current); - - /** This function is called when we want to send a netburst to a local - * server. There is a set order we must do this, because for example - * users require their servers to exist, and channels require their - * users to exist. You get the idea. - */ - void DoBurst(TreeServer* s); - - /** This function is called when we receive data from a remote - * server. We buffer the data in a std::string (it doesnt stay - * there for long), reading using InspSocket::Read() which can - * read up to 16 kilobytes in one operation. - * - * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES - * THE SOCKET OBJECT FOR US. - */ - virtual bool OnDataReady(); - - /** Send one or more complete lines down the socket - */ - int WriteLine(std::string line); - - /** Handle ERROR command */ - bool Error(std::deque ¶ms); - - /** remote MOTD. leet, huh? */ - bool Motd(const std::string &prefix, std::deque ¶ms); - - /** remote ADMIN. leet, huh? */ - bool Admin(const std::string &prefix, std::deque ¶ms); - - /** Remote MODULES */ - bool Modules(const std::string &prefix, std::deque ¶ms); - - bool Stats(const std::string &prefix, std::deque ¶ms); - - /** Because the core won't let users or even SERVERS set +o, - * we use the OPERTYPE command to do this. - */ - bool OperType(const std::string &prefix, std::deque ¶ms); - - /** Because Andy insists that services-compatible servers must - * implement SVSNICK and SVSJOIN, that's exactly what we do :p - */ - bool ForceNick(const std::string &prefix, std::deque ¶ms); - - bool OperQuit(const std::string &prefix, std::deque ¶ms); - - /** SVSJOIN - */ - bool ServiceJoin(const std::string &prefix, std::deque ¶ms); - - /** REHASH - */ - bool RemoteRehash(const std::string &prefix, std::deque ¶ms); - - /** KILL - */ - bool RemoteKill(const std::string &prefix, std::deque ¶ms); - - /** PONG - */ - bool LocalPong(const std::string &prefix, std::deque ¶ms); - - /** METADATA - */ - bool MetaData(const std::string &prefix, std::deque ¶ms); - - /** VERSION - */ - bool ServerVersion(const std::string &prefix, std::deque ¶ms); - - /** CHGHOST - */ - bool ChangeHost(const std::string &prefix, std::deque ¶ms); - - /** ADDLINE - */ - bool AddLine(const std::string &prefix, std::deque ¶ms); - - /** CHGNAME - */ - bool ChangeName(const std::string &prefix, std::deque ¶ms); - - /** WHOIS - */ - bool Whois(const std::string &prefix, std::deque ¶ms); - - /** PUSH - */ - bool Push(const std::string &prefix, std::deque ¶ms); - - /** SETTIME - */ - bool HandleSetTime(const std::string &prefix, std::deque ¶ms); - - /** TIME - */ - bool Time(const std::string &prefix, std::deque ¶ms); - - /** PING - */ - bool LocalPing(const std::string &prefix, std::deque ¶ms); - - /** Remove all modes from a channel, including statusmodes (+qaovh etc), simplemodes, parameter modes. - * This does not update the timestamp of the target channel, this must be done seperately. - */ - bool RemoveStatus(const std::string &prefix, std::deque ¶ms); - - /** <- (remote) <- SERVER - */ - bool RemoteServer(const std::string &prefix, std::deque ¶ms); - - /** (local) -> SERVER - */ - bool Outbound_Reply_Server(std::deque ¶ms); - - /** (local) <- SERVER - */ - bool Inbound_Server(std::deque ¶ms); - - /** Handle netsplit - */ - void Split(const std::string &line, std::deque &n); - - /** Process complete line from buffer - */ - bool ProcessLine(std::string &line); - - /** Get this server's name - */ - virtual std::string GetName(); - - /** Handle socket timeout from connect() - */ - virtual void OnTimeout(); - - /** Handle socket close event - */ - virtual void OnClose(); - - /** Handle incoming connection event - */ - virtual int OnIncomingConnection(int newsock, char* ip); -}; - -/* Used to validate the value lengths of multiple parameters for a command */ -struct cmd_validation -{ - const char* item; - size_t param; - size_t length; -}; - -/* Used to validate the length values in CAPAB CAPABILITIES */ -struct cap_validation -{ - const char* reason; - const char* key; - size_t size; -}; - -#endif - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __TREESOCKET_H__ #define __TREESOCKET_H__ #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "inspircd.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/utils.h" /* * The server list in InspIRCd is maintained as two structures * which hold the data in different ways. Most of the time, we * want to very quicky obtain three pieces of information: * * (1) The information on a server * (2) The information on the server we must send data through * to actually REACH the server we're after * (3) Potentially, the child/parent objects of this server * * The InspIRCd spanning protocol provides easy access to these * by storing the data firstly in a recursive structure, where * each item references its parent item, and a dynamic list * of child items, and another structure which stores the items * hashed, linearly. This means that if we want to find a server * by name quickly, we can look it up in the hash, avoiding * any O(n) lookups. If however, during a split or sync, we want * to apply an operation to a server, and any of its child objects * we can resort to recursion to walk the tree structure. * Any socket can have one of five states at any one time. * The LISTENER state indicates a socket which is listening * for connections. It cannot receive data itself, only incoming * sockets. * The CONNECTING state indicates an outbound socket which is * waiting to be writeable. * The WAIT_AUTH_1 state indicates the socket is outbound and * has successfully connected, but has not yet sent and received * SERVER strings. * The WAIT_AUTH_2 state indicates that the socket is inbound * (allocated by a LISTENER) but has not yet sent and received * SERVER strings. * The CONNECTED state represents a fully authorized, fully * connected server. */ enum ServerState { LISTENER, CONNECTING, WAIT_AUTH_1, WAIT_AUTH_2, CONNECTED }; /** Every SERVER connection inbound or outbound is represented by * an object of type TreeSocket. * TreeSockets, being inherited from InspSocket, can be tied into * the core socket engine, and we cn therefore receive activity events * for them, just like activex objects on speed. (yes really, that * is a technical term!) Each of these which relates to a locally * connected server is assocated with it, by hooking it onto a * TreeSocket class using its constructor. In this way, we can * maintain a list of servers, some of which are directly connected, * some of which are not. */ class TreeSocket : public InspSocket { SpanningTreeUtilities* Utils; /* Utility class */ std::string myhost; /* Canonical hostname */ std::string in_buffer; /* Input buffer */ ServerState LinkState; /* Link state */ std::string InboundServerName; /* Server name sent to us by other side */ std::string InboundDescription; /* Server description (GECOS) sent to us by the other side */ int num_lost_users; /* Users lost in split */ int num_lost_servers; /* Servers lost in split */ time_t NextPing; /* Time when we are due to ping this server */ bool LastPingWasGood; /* Responded to last ping we sent? */ bool bursting; /* True if not finished bursting yet */ unsigned int keylength; /* Is this still used? */ std::string ModuleList; /* Module list of other server from CAPAB */ std::map CapKeys; /* CAPAB keys from other server */ Module* Hook; /* I/O hooking module that we're attached to for this socket */ std::string ourchallenge; /* Challenge sent for challenge/response */ std::string theirchallenge; /* Challenge recv for challenge/response */ std::string OutboundPass; /* Outbound password */ bool sentcapab; /* Have sent CAPAB already */ public: /** Because most of the I/O gubbins are encapsulated within * InspSocket, we just call the superclass constructor for * most of the action, and append a few of our own values * to it. */ TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, Module* HookMod = NULL); /** Because most of the I/O gubbins are encapsulated within * InspSocket, we just call the superclass constructor for * most of the action, and append a few of our own values * to it. */ TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, const std::string &ServerName, const std::string &bindto, Module* HookMod = NULL); /** When a listening socket gives us a new file descriptor, * we must associate it with a socket without creating a new * connection. This constructor is used for this purpose. */ TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, int newfd, char* ip, Module* HookMod = NULL); /** Get link state */ ServerState GetLinkState(); /** Get challenge set in our CAPAB for challenge/response */ const std::string& GetOurChallenge(); /** Get challenge set in our CAPAB for challenge/response */ void SetOurChallenge(const std::string &c); /** Get challenge set in their CAPAB for challenge/response */ const std::string& GetTheirChallenge(); /** Get challenge set in their CAPAB for challenge/response */ void SetTheirChallenge(const std::string &c); /** Compare two passwords based on authentication scheme */ bool ComparePass(const std::string &ours, const std::string &theirs); /** Return the module which we are hooking to for I/O encapsulation */ Module* GetHook(); /** Destructor */ ~TreeSocket(); /** Generate random string used for challenge-response auth */ std::string RandString(unsigned int length); /** Construct a password, optionally hashed with the other side's * challenge string */ std::string MakePass(const std::string &password, const std::string &challenge); /** When an outbound connection finishes connecting, we receive * this event, and must send our SERVER string to the other * side. If the other side is happy, as outlined in the server * to server docs on the inspircd.org site, the other side * will then send back its own server string. */ virtual bool OnConnected(); /** Handle socket error event */ virtual void OnError(InspSocketError e); /** Sends an error to the remote server, and displays it locally to show * that it was sent. */ void SendError(const std::string &errormessage); /** Handle socket disconnect event */ virtual int OnDisconnect(); /** Recursively send the server tree with distances as hops. * This is used during network burst to inform the other server * (and any of ITS servers too) of what servers we know about. * If at any point any of these servers already exist on the other * end, our connection may be terminated. The hopcounts given * by this function are relative, this doesn't matter so long as * they are all >1, as all the remote servers re-calculate them * to be relative too, with themselves as hop 0. */ void SendServers(TreeServer* Current, TreeServer* s, int hops); /** Returns my capabilities as a string */ std::string MyCapabilities(); /** Send my capabilities to the remote side */ void SendCapabilities(); /* Check a comma seperated list for an item */ bool HasItem(const std::string &list, const std::string &item); /* Isolate and return the elements that are different between two comma seperated lists */ std::string ListDifference(const std::string &one, const std::string &two); bool Capab(const std::deque ¶ms); /** This function forces this server to quit, removing this server * and any users on it (and servers and users below that, etc etc). * It's very slow and pretty clunky, but luckily unless your network * is having a REAL bad hair day, this function shouldnt be called * too many times a month ;-) */ void SquitServer(std::string &from, TreeServer* Current); /** This is a wrapper function for SquitServer above, which * does some validation first and passes on the SQUIT to all * other remaining servers. */ void Squit(TreeServer* Current, const std::string &reason); /** FMODE command - server mode with timestamp checks */ bool ForceMode(const std::string &source, std::deque ¶ms); /** FTOPIC command */ bool ForceTopic(const std::string &source, std::deque ¶ms); /** FJOIN, similar to TS6 SJOIN, but not quite. */ bool ForceJoin(const std::string &source, std::deque ¶ms); /** NICK command */ bool IntroduceClient(const std::string &source, std::deque ¶ms); /** Send one or more FJOINs for a channel of users. * If the length of a single line is more than 480-NICKMAX * in length, it is split over multiple lines. */ void SendFJoins(TreeServer* Current, chanrec* c); /** Send G, Q, Z and E lines */ void SendXLines(TreeServer* Current); /** Send channel modes and topics */ void SendChannelModes(TreeServer* Current); /** send all users and their oper state/modes */ void SendUsers(TreeServer* Current); /** This function is called when we want to send a netburst to a local * server. There is a set order we must do this, because for example * users require their servers to exist, and channels require their * users to exist. You get the idea. */ void DoBurst(TreeServer* s); /** This function is called when we receive data from a remote * server. We buffer the data in a std::string (it doesnt stay * there for long), reading using InspSocket::Read() which can * read up to 16 kilobytes in one operation. * * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES * THE SOCKET OBJECT FOR US. */ virtual bool OnDataReady(); /** Send one or more complete lines down the socket */ int WriteLine(std::string line); /** Handle ERROR command */ bool Error(std::deque ¶ms); /** remote MOTD. leet, huh? */ bool Motd(const std::string &prefix, std::deque ¶ms); /** remote ADMIN. leet, huh? */ bool Admin(const std::string &prefix, std::deque ¶ms); /** Remote MODULES */ bool Modules(const std::string &prefix, std::deque ¶ms); bool Stats(const std::string &prefix, std::deque ¶ms); /** Because the core won't let users or even SERVERS set +o, * we use the OPERTYPE command to do this. */ bool OperType(const std::string &prefix, std::deque ¶ms); /** Because Andy insists that services-compatible servers must * implement SVSNICK and SVSJOIN, that's exactly what we do :p */ bool ForceNick(const std::string &prefix, std::deque ¶ms); bool OperQuit(const std::string &prefix, std::deque ¶ms); /** SVSJOIN */ bool ServiceJoin(const std::string &prefix, std::deque ¶ms); /** REHASH */ bool RemoteRehash(const std::string &prefix, std::deque ¶ms); /** KILL */ bool RemoteKill(const std::string &prefix, std::deque ¶ms); /** PONG */ bool LocalPong(const std::string &prefix, std::deque ¶ms); /** METADATA */ bool MetaData(const std::string &prefix, std::deque ¶ms); /** VERSION */ bool ServerVersion(const std::string &prefix, std::deque ¶ms); /** CHGHOST */ bool ChangeHost(const std::string &prefix, std::deque ¶ms); /** ADDLINE */ bool AddLine(const std::string &prefix, std::deque ¶ms); /** CHGNAME */ bool ChangeName(const std::string &prefix, std::deque ¶ms); /** WHOIS */ bool Whois(const std::string &prefix, std::deque ¶ms); /** PUSH */ bool Push(const std::string &prefix, std::deque ¶ms); /** SETTIME */ bool HandleSetTime(const std::string &prefix, std::deque ¶ms); /** TIME */ bool Time(const std::string &prefix, std::deque ¶ms); /** PING */ bool LocalPing(const std::string &prefix, std::deque ¶ms); /** Remove all modes from a channel, including statusmodes (+qaovh etc), simplemodes, parameter modes. * This does not update the timestamp of the target channel, this must be done seperately. */ bool RemoveStatus(const std::string &prefix, std::deque ¶ms); /** <- (remote) <- SERVER */ bool RemoteServer(const std::string &prefix, std::deque ¶ms); /** (local) -> SERVER */ bool Outbound_Reply_Server(std::deque ¶ms); /** (local) <- SERVER */ bool Inbound_Server(std::deque ¶ms); /** Handle netsplit */ void Split(const std::string &line, std::deque &n); /** Process complete line from buffer */ bool ProcessLine(std::string &line); /** Get this server's name */ virtual std::string GetName(); /** Handle socket timeout from connect() */ virtual void OnTimeout(); /** Handle socket close event */ virtual void OnClose(); /** Handle incoming connection event */ virtual int OnIncomingConnection(int newsock, char* ip); }; /* Used to validate the value lengths of multiple parameters for a command */ struct cmd_validation { const char* item; size_t param; size_t length; }; /* Used to validate the length values in CAPAB CAPABILITIES */ struct cap_validation { const char* reason; const char* key; size_t size; }; #endif \ No newline at end of file diff --git a/src/modules/m_spanningtree/treesocket1.cpp b/src/modules/m_spanningtree/treesocket1.cpp index a907bb440..ad2588cab 100644 --- a/src/modules/m_spanningtree/treesocket1.cpp +++ b/src/modules/m_spanningtree/treesocket1.cpp @@ -1,1273 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" -#include "m_hash.h" -#include "socketengine.h" - -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" -#include "m_spanningtree/resolvers.h" -#include "m_spanningtree/handshaketimer.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_hash.h */ - - -/** Because most of the I/O gubbins are encapsulated within - * InspSocket, we just call the superclass constructor for - * most of the action, and append a few of our own values - * to it. - */ -TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, Module* HookMod) - : InspSocket(SI, host, port, listening, maxtime), Utils(Util), Hook(HookMod) -{ - myhost = host; - this->LinkState = LISTENER; - theirchallenge.clear(); - ourchallenge.clear(); - if (listening && Hook) - InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); -} - -TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, const std::string &ServerName, const std::string &bindto, Module* HookMod) - : InspSocket(SI, host, port, listening, maxtime, bindto), Utils(Util), Hook(HookMod) -{ - myhost = ServerName; - theirchallenge.clear(); - ourchallenge.clear(); - this->LinkState = CONNECTING; - if (Hook) - InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); -} - -/** When a listening socket gives us a new file descriptor, - * we must associate it with a socket without creating a new - * connection. This constructor is used for this purpose. - */ -TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, int newfd, char* ip, Module* HookMod) - : InspSocket(SI, newfd, ip), Utils(Util), Hook(HookMod) -{ - this->LinkState = WAIT_AUTH_1; - theirchallenge.clear(); - ourchallenge.clear(); - sentcapab = false; - /* If we have a transport module hooked to the parent, hook the same module to this - * socket, and set a timer waiting for handshake before we send CAPAB etc. - */ - if (Hook) - InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); - - Instance->Timers->AddTimer(new HandshakeTimer(Instance, this, &(Utils->LinkBlocks[0]), this->Utils, 1)); -} - -ServerState TreeSocket::GetLinkState() -{ - return this->LinkState; -} - -Module* TreeSocket::GetHook() -{ - return this->Hook; -} - -TreeSocket::~TreeSocket() -{ - if (Hook) - InspSocketUnhookRequest(this, (Module*)Utils->Creator, Hook).Send(); - - Utils->DelBurstingServer(this); -} - -const std::string& TreeSocket::GetOurChallenge() -{ - return this->ourchallenge; -} - -void TreeSocket::SetOurChallenge(const std::string &c) -{ - this->ourchallenge = c; -} - -const std::string& TreeSocket::GetTheirChallenge() -{ - return this->theirchallenge; -} - -void TreeSocket::SetTheirChallenge(const std::string &c) -{ - this->theirchallenge = c; -} - -std::string TreeSocket::MakePass(const std::string &password, const std::string &challenge) -{ - /* This is a simple (maybe a bit hacky?) HMAC algorithm, thanks to jilles for - * suggesting the use of HMAC to secure the password against various attacks. - * - * Note: If m_sha256.so is not loaded, we MUST fall back to plaintext with no - * HMAC challenge/response. - */ - Module* sha256 = Instance->FindModule("m_sha256.so"); - if (Utils->ChallengeResponse && sha256 && !challenge.empty()) - { - /* XXX: This is how HMAC is supposed to be done: - * - * sha256( (pass xor 0x5c) + sha256((pass xor 0x36) + m) ) - * - * Note that we are encoding the hex hash, not the binary - * output of the hash which is slightly different to standard. - * - * Don't ask me why its always 0x5c and 0x36... it just is. - */ - std::string hmac1, hmac2; - - for (size_t n = 0; n < password.length(); n++) - { - hmac1 += static_cast(password[n] ^ 0x5C); - hmac2 += static_cast(password[n] ^ 0x36); - } - - hmac2 += challenge; - HashResetRequest(Utils->Creator, sha256).Send(); - hmac2 = HashSumRequest(Utils->Creator, sha256, hmac2).Send(); - - HashResetRequest(Utils->Creator, sha256).Send(); - std::string hmac = hmac1 + hmac2; - hmac = HashSumRequest(Utils->Creator, sha256, hmac).Send(); - - return "HMAC-SHA256:"+ hmac; - } - else if (!challenge.empty() && !sha256) - Instance->Log(DEFAULT,"Not authenticating to server using SHA256/HMAC because we don't have m_sha256 loaded!"); - - return password; -} - -/** When an outbound connection finishes connecting, we receive - * this event, and must send our SERVER string to the other - * side. If the other side is happy, as outlined in the server - * to server docs on the inspircd.org site, the other side - * will then send back its own server string. - */ -bool TreeSocket::OnConnected() -{ - if (this->LinkState == CONNECTING) - { - /* we do not need to change state here. */ - for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) - { - if (x->Name == this->myhost) - { - this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "" : this->GetIP())+"] started."); - if (Hook) - { - InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); - this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "" : this->GetIP())+"] using transport \2"+x->Hook+"\2"); - } - this->OutboundPass = x->SendPass; - sentcapab = false; - - /* found who we're supposed to be connecting to, send the neccessary gubbins. */ - if (this->GetHook()) - Instance->Timers->AddTimer(new HandshakeTimer(Instance, this, &(*x), this->Utils, 1)); - else - this->SendCapabilities(); - - return true; - } - } - } - /* There is a (remote) chance that between the /CONNECT and the connection - * being accepted, some muppet has removed the block and rehashed. - * If that happens the connection hangs here until it's closed. Unlikely - * and rather harmless. - */ - this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2 lost link tag(!)"); - return true; -} - -void TreeSocket::OnError(InspSocketError e) -{ - Link* MyLink; - - switch (e) - { - case I_ERR_CONNECT: - this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Connection to \002"+myhost+"\002 refused"); - MyLink = Utils->FindLink(myhost); - if (MyLink) - Utils->DoFailOver(MyLink); - break; - case I_ERR_SOCKET: - this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Could not create socket"); - break; - case I_ERR_BIND: - this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Error binding socket to address or port"); - break; - case I_ERR_WRITE: - this->Instance->SNO->WriteToSnoMask('l',"Connection failed: I/O error on connection"); - break; - case I_ERR_NOMOREFDS: - this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Operating system is out of file descriptors!"); - break; - default: - if ((errno) && (errno != EINPROGRESS) && (errno != EAGAIN)) - { - std::string errstr = strerror(errno); - this->Instance->SNO->WriteToSnoMask('l',"Connection to \002"+myhost+"\002 failed with OS error: " + errstr); - } - break; - } -} - -int TreeSocket::OnDisconnect() -{ - /* For the same reason as above, we don't - * handle OnDisconnect() - */ - return true; -} - -/** Recursively send the server tree with distances as hops. - * This is used during network burst to inform the other server - * (and any of ITS servers too) of what servers we know about. - * If at any point any of these servers already exist on the other - * end, our connection may be terminated. The hopcounts given - * by this function are relative, this doesn't matter so long as - * they are all >1, as all the remote servers re-calculate them - * to be relative too, with themselves as hop 0. - */ -void TreeSocket::SendServers(TreeServer* Current, TreeServer* s, int hops) -{ - char command[1024]; - for (unsigned int q = 0; q < Current->ChildCount(); q++) - { - TreeServer* recursive_server = Current->GetChild(q); - if (recursive_server != s) - { - snprintf(command,1024,":%s SERVER %s * %d :%s",Current->GetName().c_str(),recursive_server->GetName().c_str(),hops,recursive_server->GetDesc().c_str()); - this->WriteLine(command); - this->WriteLine(":"+recursive_server->GetName()+" VERSION :"+recursive_server->GetVersion()); - /* down to next level */ - this->SendServers(recursive_server, s, hops+1); - } - } -} - -std::string TreeSocket::MyCapabilities() -{ - std::vector modlist; - std::string capabilities; - for (int i = 0; i <= this->Instance->GetModuleCount(); i++) - { - if (this->Instance->modules[i]->GetVersion().Flags & VF_COMMON) - modlist.push_back(this->Instance->Config->module_names[i]); - } - sort(modlist.begin(),modlist.end()); - for (unsigned int i = 0; i < modlist.size(); i++) - { - if (i) - capabilities = capabilities + ","; - capabilities = capabilities + modlist[i]; - } - return capabilities; -} - -std::string TreeSocket::RandString(unsigned int length) -{ - char* randombuf = new char[length+1]; - std::string out; -#ifdef WINDOWS - int fd = -1; -#else - int fd = open("/dev/urandom", O_RDONLY, 0); -#endif - - if (fd >= 0) - { -#ifndef WINDOWS - read(fd, randombuf, length); - close(fd); -#endif - } - else - { - for (unsigned int i = 0; i < length; i++) - randombuf[i] = rand(); - } - - for (unsigned int i = 0; i < length; i++) - { - char randchar = static_cast((randombuf[i] & 0x7F) | 0x21); - out += (randchar == '=' ? '_' : randchar); - } - - delete[] randombuf; - return out; -} - -void TreeSocket::SendCapabilities() -{ - if (sentcapab) - return; - - sentcapab = true; - irc::commasepstream modulelist(MyCapabilities()); - this->WriteLine("CAPAB START"); - - /* Send module names, split at 509 length */ - std::string item = "*"; - std::string line = "CAPAB MODULES "; - while ((item = modulelist.GetToken()) != "") - { - if (line.length() + item.length() + 1 > 509) - { - this->WriteLine(line); - line = "CAPAB MODULES "; - } - - if (line != "CAPAB MODULES ") - line.append(","); - - line.append(item); - } - if (line != "CAPAB MODULES ") - this->WriteLine(line); - - int ip6 = 0; - int ip6support = 0; -#ifdef IPV6 - ip6 = 1; -#endif -#ifdef SUPPORT_IP6LINKS - ip6support = 1; -#endif - std::string extra; - /* Do we have sha256 available? If so, we send a challenge */ - if (Utils->ChallengeResponse && (Instance->FindModule("m_sha256.so"))) - { - this->SetOurChallenge(RandString(20)); - extra = " CHALLENGE=" + this->GetOurChallenge(); - } - - this->WriteLine("CAPAB CAPABILITIES :NICKMAX="+ConvToStr(NICKMAX)+" HALFOP="+ConvToStr(this->Instance->Config->AllowHalfop)+" CHANMAX="+ConvToStr(CHANMAX)+" MAXMODES="+ConvToStr(MAXMODES)+" IDENTMAX="+ConvToStr(IDENTMAX)+" MAXQUIT="+ConvToStr(MAXQUIT)+" MAXTOPIC="+ConvToStr(MAXTOPIC)+" MAXKICK="+ConvToStr(MAXKICK)+" MAXGECOS="+ConvToStr(MAXGECOS)+" MAXAWAY="+ConvToStr(MAXAWAY)+" IP6NATIVE="+ConvToStr(ip6)+" IP6SUPPORT="+ConvToStr(ip6support)+" PROTOCOL="+ConvToStr(ProtocolVersion)+extra+" PREFIX="+Instance->Modes->BuildPrefixes()+" CHANMODES="+Instance->Modes->ChanModes()); - - this->WriteLine("CAPAB END"); -} - -/* Check a comma seperated list for an item */ -bool TreeSocket::HasItem(const std::string &list, const std::string &item) -{ - irc::commasepstream seplist(list); - std::string item2 = "*"; - while ((item2 = seplist.GetToken()) != "") - { - if (item2 == item) - return true; - } - return false; -} - -/* Isolate and return the elements that are different between two comma seperated lists */ -std::string TreeSocket::ListDifference(const std::string &one, const std::string &two) -{ - irc::commasepstream list_one(one); - std::string item = "*"; - std::string result; - while ((item = list_one.GetToken()) != "") - { - if (!HasItem(two, item)) - { - result.append(" "); - result.append(item); - } - } - return result; -} - -void TreeSocket::SendError(const std::string &errormessage) -{ - /* Display the error locally as well as sending it remotely */ - this->WriteLine("ERROR :"+errormessage); - this->Instance->SNO->WriteToSnoMask('l',"Sent \2ERROR\2 to "+this->InboundServerName+": "+errormessage); - /* One last attempt to make sure the error reaches its target */ - this->FlushWriteBuffer(); -} - -bool TreeSocket::Capab(const std::deque ¶ms) -{ - if (params.size() < 1) - { - this->SendError("Invalid number of parameters for CAPAB - Mismatched version"); - return false; - } - if (params[0] == "START") - { - this->ModuleList.clear(); - this->CapKeys.clear(); - } - else if (params[0] == "END") - { - std::string reason; - int ip6support = 0; -#ifdef SUPPORT_IP6LINKS - ip6support = 1; -#endif - /* Compare ModuleList and check CapKeys... - * Maybe this could be tidier? -- Brain - */ - if ((this->ModuleList != this->MyCapabilities()) && (this->ModuleList.length())) - { - std::string diff = ListDifference(this->ModuleList, this->MyCapabilities()); - if (!diff.length()) - { - diff = "your server:" + ListDifference(this->MyCapabilities(), this->ModuleList); - } - else - { - diff = "this server:" + diff; - } - if (diff.length() == 12) - reason = "Module list in CAPAB is not alphabetically ordered, cannot compare lists."; - else - reason = "Modules loaded on these servers are not correctly matched, these modules are not loaded on " + diff; - } - - cap_validation valid_capab[] = { - {"Maximum nickname lengths differ or remote nickname length not specified", "NICKMAX", NICKMAX}, - {"Maximum ident lengths differ or remote ident length not specified", "IDENTMAX", IDENTMAX}, - {"Maximum channel lengths differ or remote channel length not specified", "CHANMAX", CHANMAX}, - {"Maximum modes per line differ or remote modes per line not specified", "MAXMODES", MAXMODES}, - {"Maximum quit lengths differ or remote quit length not specified", "MAXQUIT", MAXQUIT}, - {"Maximum topic lengths differ or remote topic length not specified", "MAXTOPIC", MAXTOPIC}, - {"Maximum kick lengths differ or remote kick length not specified", "MAXKICK", MAXKICK}, - {"Maximum GECOS (fullname) lengths differ or remote GECOS length not specified", "MAXGECOS", MAXGECOS}, - {"Maximum awaymessage lengths differ or remote awaymessage length not specified", "MAXAWAY", MAXAWAY}, - {"", "", 0} - }; - - if (((this->CapKeys.find("IP6SUPPORT") == this->CapKeys.end()) && (ip6support)) || ((this->CapKeys.find("IP6SUPPORT") != this->CapKeys.end()) && (this->CapKeys.find("IP6SUPPORT")->second != ConvToStr(ip6support)))) - reason = "We don't both support linking to IPV6 servers"; - if (((this->CapKeys.find("IP6NATIVE") != this->CapKeys.end()) && (this->CapKeys.find("IP6NATIVE")->second == "1")) && (!ip6support)) - reason = "The remote server is IPV6 native, and we don't support linking to IPV6 servers"; - if (((this->CapKeys.find("PROTOCOL") == this->CapKeys.end()) || ((this->CapKeys.find("PROTOCOL") != this->CapKeys.end()) && (this->CapKeys.find("PROTOCOL")->second != ConvToStr(ProtocolVersion))))) - { - if (this->CapKeys.find("PROTOCOL") != this->CapKeys.end()) - reason = "Mismatched protocol versions "+this->CapKeys.find("PROTOCOL")->second+" and "+ConvToStr(ProtocolVersion); - else - reason = "Protocol version not specified"; - } - - if(this->CapKeys.find("PREFIX") != this->CapKeys.end() && this->CapKeys.find("PREFIX")->second != this->Instance->Modes->BuildPrefixes()) - reason = "One or more of the prefixes on the remote server are invalid on this server."; - - if (((this->CapKeys.find("HALFOP") == this->CapKeys.end()) && (Instance->Config->AllowHalfop)) || ((this->CapKeys.find("HALFOP") != this->CapKeys.end()) && (this->CapKeys.find("HALFOP")->second != ConvToStr(Instance->Config->AllowHalfop)))) - reason = "We don't both have halfop support enabled/disabled identically"; - - for (int x = 0; valid_capab[x].size; ++x) - { - if (((this->CapKeys.find(valid_capab[x].key) == this->CapKeys.end()) || ((this->CapKeys.find(valid_capab[x].key) != this->CapKeys.end()) && - (this->CapKeys.find(valid_capab[x].key)->second != ConvToStr(valid_capab[x].size))))) - reason = valid_capab[x].reason; - } - - /* Challenge response, store their challenge for our password */ - std::map::iterator n = this->CapKeys.find("CHALLENGE"); - if (Utils->ChallengeResponse && (n != this->CapKeys.end()) && (Instance->FindModule("m_sha256.so"))) - { - /* Challenge-response is on now */ - this->SetTheirChallenge(n->second); - if (!this->GetTheirChallenge().empty() && (this->LinkState == CONNECTING)) - { - this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+this->MakePass(OutboundPass, this->GetTheirChallenge())+" 0 :"+this->Instance->Config->ServerDesc); - } - } - else - { - /* They didnt specify a challenge or we don't have m_sha256.so, we use plaintext */ - if (this->LinkState == CONNECTING) - this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+OutboundPass+" 0 :"+this->Instance->Config->ServerDesc); - } - - if (reason.length()) - { - this->SendError("CAPAB negotiation failed: "+reason); - return false; - } - } - else if ((params[0] == "MODULES") && (params.size() == 2)) - { - if (!this->ModuleList.length()) - { - this->ModuleList.append(params[1]); - } - else - { - this->ModuleList.append(","); - this->ModuleList.append(params[1]); - } - } - - else if ((params[0] == "CAPABILITIES") && (params.size() == 2)) - { - irc::tokenstream capabs(params[1]); - std::string item; - bool more = true; - while ((more = capabs.GetToken(item))) - { - /* Process each key/value pair */ - std::string::size_type equals = item.rfind('='); - if (equals != std::string::npos) - { - std::string var = item.substr(0, equals); - std::string value = item.substr(equals+1, item.length()); - CapKeys[var] = value; - } - } - } - return true; -} - -/** This function forces this server to quit, removing this server - * and any users on it (and servers and users below that, etc etc). - * It's very slow and pretty clunky, but luckily unless your network - * is having a REAL bad hair day, this function shouldnt be called - * too many times a month ;-) - */ -void TreeSocket::SquitServer(std::string &from, TreeServer* Current) -{ - /* recursively squit the servers attached to 'Current'. - * We're going backwards so we don't remove users - * while we still need them ;) - */ - for (unsigned int q = 0; q < Current->ChildCount(); q++) - { - TreeServer* recursive_server = Current->GetChild(q); - this->SquitServer(from,recursive_server); - } - /* Now we've whacked the kids, whack self */ - num_lost_servers++; - num_lost_users += Current->QuitUsers(from); -} - -/** This is a wrapper function for SquitServer above, which - * does some validation first and passes on the SQUIT to all - * other remaining servers. - */ -void TreeSocket::Squit(TreeServer* Current, const std::string &reason) -{ - if ((Current) && (Current != Utils->TreeRoot)) - { - Event rmode((char*)Current->GetName().c_str(), (Module*)Utils->Creator, "lost_server"); - rmode.Send(Instance); - - std::deque params; - params.push_back(Current->GetName()); - params.push_back(":"+reason); - Utils->DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName()); - if (Current->GetParent() == Utils->TreeRoot) - { - this->Instance->SNO->WriteToSnoMask('l',"Server \002"+Current->GetName()+"\002 split: "+reason); - } - else - { - this->Instance->SNO->WriteToSnoMask('l',"Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason); - } - num_lost_servers = 0; - num_lost_users = 0; - std::string from = Current->GetParent()->GetName()+" "+Current->GetName(); - SquitServer(from, Current); - Current->Tidy(); - Current->GetParent()->DelChild(Current); - DELETE(Current); - this->Instance->SNO->WriteToSnoMask('l',"Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers); - } - else - Instance->Log(DEFAULT,"Squit from unknown server"); -} - -/** FMODE command - server mode with timestamp checks */ -bool TreeSocket::ForceMode(const std::string &source, std::deque ¶ms) -{ - /* Chances are this is a 1.0 FMODE without TS */ - if (params.size() < 3) - { - /* No modes were in the command, probably a channel with no modes set on it */ - return true; - } - - bool smode = false; - std::string sourceserv; - /* Are we dealing with an FMODE from a user, or from a server? */ - userrec* who = this->Instance->FindNick(source); - if (who) - { - /* FMODE from a user, set sourceserv to the users server name */ - sourceserv = who->server; - } - else - { - /* FMODE from a server, create a fake user to receive mode feedback */ - who = new userrec(this->Instance); - who->SetFd(FD_MAGIC_NUMBER); - smode = true; /* Setting this flag tells us we should free the userrec later */ - sourceserv = source; /* Set sourceserv to the actual source string */ - } - const char* modelist[64]; - time_t TS = 0; - int n = 0; - memset(&modelist,0,sizeof(modelist)); - for (unsigned int q = 0; (q < params.size()) && (q < 64); q++) - { - if (q == 1) - { - /* The timestamp is in this position. - * We don't want to pass that up to the - * server->client protocol! - */ - TS = atoi(params[q].c_str()); - } - else - { - /* Everything else is fine to append to the modelist */ - modelist[n++] = params[q].c_str(); - } - - } - /* Extract the TS value of the object, either userrec or chanrec */ - userrec* dst = this->Instance->FindNick(params[0]); - chanrec* chan = NULL; - time_t ourTS = 0; - if (dst) - { - ourTS = dst->age; - } - else - { - chan = this->Instance->FindChan(params[0]); - if (chan) - { - ourTS = chan->age; - } - else - /* Oops, channel doesnt exist! */ - return true; - } - - if (!TS) - { - Instance->Log(DEFAULT,"*** BUG? *** TS of 0 sent to FMODE. Are some services authors smoking craq, or is it 1970 again?. Dropped."); - Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending FMODE with a TS of zero. Total craq. Mode was dropped.", sourceserv.c_str()); - return true; - } - - /* TS is equal or less: Merge the mode changes into ours and pass on. - */ - if (TS <= ourTS) - { - if ((TS < ourTS) && (!dst)) - Instance->Log(DEFAULT,"*** BUG *** Channel TS sent in FMODE to %s is %lu which is not equal to %lu!", params[0].c_str(), TS, ourTS); - - if (smode) - { - this->Instance->SendMode(modelist, n, who); - } - else - { - this->Instance->CallCommandHandler("MODE", modelist, n, who); - } - /* HOT POTATO! PASS IT ON! */ - Utils->DoOneToAllButSender(source,"FMODE",params,sourceserv); - } - /* If the TS is greater than ours, we drop the mode and dont pass it anywhere. - */ - - if (smode) - DELETE(who); - - return true; -} - -/** FTOPIC command */ -bool TreeSocket::ForceTopic(const std::string &source, std::deque ¶ms) -{ - if (params.size() != 4) - return true; - time_t ts = atoi(params[1].c_str()); - std::string nsource = source; - chanrec* c = this->Instance->FindChan(params[0]); - if (c) - { - if ((ts >= c->topicset) || (!*c->topic)) - { - std::string oldtopic = c->topic; - strlcpy(c->topic,params[3].c_str(),MAXTOPIC); - strlcpy(c->setby,params[2].c_str(),127); - c->topicset = ts; - /* if the topic text is the same as the current topic, - * dont bother to send the TOPIC command out, just silently - * update the set time and set nick. - */ - if (oldtopic != params[3]) - { - userrec* user = this->Instance->FindNick(source); - if (!user) - { - c->WriteChannelWithServ(Instance->Config->ServerName, "TOPIC %s :%s", c->name, c->topic); - } - else - { - c->WriteChannel(user, "TOPIC %s :%s", c->name, c->topic); - nsource = user->server; - } - /* all done, send it on its way */ - params[3] = ":" + params[3]; - Utils->DoOneToAllButSender(source,"FTOPIC",params,nsource); - } - } - - } - return true; -} - -/** FJOIN, similar to TS6 SJOIN, but not quite. */ -bool TreeSocket::ForceJoin(const std::string &source, std::deque ¶ms) -{ - /* 1.1 FJOIN works as follows: - * - * Each FJOIN is sent along with a timestamp, and the side with the lowest - * timestamp 'wins'. From this point on we will refer to this side as the - * winner. The side with the higher timestamp loses, from this point on we - * will call this side the loser or losing side. This should be familiar to - * anyone who's dealt with dreamforge or TS6 before. - * - * When two sides of a split heal and this occurs, the following things - * will happen: - * - * If the timestamps are exactly equal, both sides merge their privilages - * and users, as in InspIRCd 1.0 and ircd2.8. The channels have not been - * re-created during a split, this is safe to do. - * - * If the timestamps are NOT equal, the losing side removes all of its - * modes from the channel, before introducing new users into the channel - * which are listed in the FJOIN command's parameters. The losing side then - * LOWERS its timestamp value of the channel to match that of the winning - * side, and the modes of the users of the winning side are merged in with - * the losing side. - * - * The winning side on the other hand will ignore all user modes from the - * losing side, so only its own modes get applied. Life is simple for those - * who succeed at internets. :-) - * - * NOTE: Unlike TS6 and dreamforge and other protocols which have SJOIN, - * FJOIN does not contain the simple-modes such as +iklmnsp. Why not, - * you ask? Well, quite simply because we don't need to. They'll be sent - * after the FJOIN by FMODE, and FMODE is timestamped, so in the event - * the losing side sends any modes for the channel which shouldnt win, - * they wont as their timestamp will be too high :-) - */ - - if (params.size() < 3) - return true; - - irc::modestacker modestack(true); /* Modes to apply from the users in the user list */ - userrec* who = NULL; /* User we are currently checking */ - std::string channel = params[0]; /* Channel name, as a string */ - time_t TS = atoi(params[1].c_str()); /* Timestamp given to us for remote side */ - irc::tokenstream users(params[2]); /* Users from the user list */ - bool apply_other_sides_modes = true; /* True if we are accepting the other side's modes */ - chanrec* chan = this->Instance->FindChan(channel); /* The channel we're sending joins to */ - time_t ourTS = chan ? chan->age : Instance->Time(true)+600; /* The TS of our side of the link */ - bool created = !chan; /* True if the channel doesnt exist here yet */ - std::string item; /* One item in the list of nicks */ - - params[2] = ":" + params[2]; - Utils->DoOneToAllButSender(source,"FJOIN",params,source); - - if (!TS) - { - Instance->Log(DEFAULT,"*** BUG? *** TS of 0 sent to FJOIN. Are some services authors smoking craq, or is it 1970 again?. Dropped."); - Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending FJOIN with a TS of zero. Total craq. Command was dropped.", source.c_str()); - return true; - } - - /* If our TS is less than theirs, we dont accept their modes */ - if (ourTS < TS) - apply_other_sides_modes = false; - - /* Our TS greater than theirs, clear all our modes from the channel, accept theirs. */ - if (ourTS > TS) - { - std::deque param_list; - if (Utils->AnnounceTSChange && chan) - chan->WriteChannelWithServ(Instance->Config->ServerName, "NOTICE %s :TS for %s changed from %lu to %lu", chan->name, chan->name, ourTS, TS); - ourTS = TS; - if (!created) - { - chan->age = TS; - param_list.push_back(channel); - this->RemoveStatus(Instance->Config->ServerName, param_list); - } - } - - /* Now, process every 'prefixes,nick' pair */ - while (users.GetToken(item)) - { - const char* usr = item.c_str(); - if (usr && *usr) - { - const char* permissions = usr; - /* Iterate through all the prefix values, convert them from prefixes to mode letters */ - std::string modes; - while ((*permissions) && (*permissions != ',')) - { - ModeHandler* mh = Instance->Modes->FindPrefix(*permissions); - if (mh) - modes = modes + mh->GetModeChar(); - else - { - this->SendError(std::string("Invalid prefix '")+(*permissions)+"' in FJOIN"); - return false; - } - usr++; - permissions++; - } - /* Advance past the comma, to the nick */ - usr++; - - /* Check the user actually exists */ - who = this->Instance->FindNick(usr); - if (who) - { - /* Check that the user's 'direction' is correct */ - TreeServer* route_back_again = Utils->BestRouteTo(who->server); - if ((!route_back_again) || (route_back_again->GetSocket() != this)) - continue; - - /* Add any permissions this user had to the mode stack */ - for (std::string::iterator x = modes.begin(); x != modes.end(); ++x) - modestack.Push(*x, who->nick); - - chanrec::JoinUser(this->Instance, who, channel.c_str(), true, "", TS); - } - else - { - Instance->Log(SPARSE,"Warning! Invalid user %s in FJOIN to channel %s IGNORED", usr, channel.c_str()); - continue; - } - } - } - - /* Flush mode stacker if we lost the FJOIN or had equal TS */ - if (apply_other_sides_modes) - { - std::deque stackresult; - const char* mode_junk[MAXMODES+2]; - userrec* n = new userrec(Instance); - n->SetFd(FD_MAGIC_NUMBER); - mode_junk[0] = channel.c_str(); - - while (modestack.GetStackedLine(stackresult)) - { - for (size_t j = 0; j < stackresult.size(); j++) - { - mode_junk[j+1] = stackresult[j].c_str(); - } - Instance->SendMode(mode_junk, stackresult.size() + 1, n); - } - - delete n; - } - - return true; -} - -/** NICK command */ -bool TreeSocket::IntroduceClient(const std::string &source, std::deque ¶ms) -{ - /** Do we have enough parameters: - * NICK age nick host dhost ident +modes ip :gecos - */ - if (params.size() != 8) - { - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)"); - return true; - } - - time_t age = ConvToInt(params[0]); - const char* tempnick = params[1].c_str(); - - cmd_validation valid[] = { {"Nickname", 1, NICKMAX}, {"Hostname", 2, 64}, {"Displayed hostname", 3, 64}, {"Ident", 4, IDENTMAX}, {"GECOS", 7, MAXGECOS}, {"", 0, 0} }; - - TreeServer* remoteserver = Utils->FindServer(source); - if (!remoteserver) - { - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction (Unknown server "+source+")"); - return true; - } - - /* Check parameters for validity before introducing the client, discovered by dmb */ - if (!age) - { - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction (Invalid TS?)"); - return true; - } - for (size_t x = 0; valid[x].length; ++x) - { - if (params[valid[x].param].length() > valid[x].length) - { - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction (" + valid[x].item + " > " + ConvToStr(valid[x].length) + ")"); - return true; - } - } - - /** Our client looks ok, lets introduce it now - */ - Instance->Log(DEBUG,"New remote client %s",tempnick); - user_hash::iterator iter = this->Instance->clientlist->find(tempnick); - - if (iter != this->Instance->clientlist->end()) - { - /* nick collision */ - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+tempnick+" :Nickname collision"); - userrec::QuitUser(this->Instance, iter->second, "Nickname collision"); - return true; - } - - userrec* _new = new userrec(this->Instance); - (*(this->Instance->clientlist))[tempnick] = _new; - _new->SetFd(FD_MAGIC_NUMBER); - strlcpy(_new->nick, tempnick,NICKMAX-1); - strlcpy(_new->host, params[2].c_str(),64); - strlcpy(_new->dhost, params[3].c_str(),64); - _new->server = this->Instance->FindServerNamePtr(source.c_str()); - strlcpy(_new->ident, params[4].c_str(),IDENTMAX); - strlcpy(_new->fullname, params[7].c_str(),MAXGECOS); - _new->registered = REG_ALL; - _new->signon = age; - - /* we need to remove the + from the modestring, so we can do our stuff */ - std::string::size_type pos_after_plus = params[5].find_first_not_of('+'); - if (pos_after_plus != std::string::npos) - params[5] = params[5].substr(pos_after_plus); - - for (std::string::iterator v = params[5].begin(); v != params[5].end(); v++) - { - _new->modes[(*v)-65] = 1; - /* For each mode thats set, increase counter */ - ModeHandler* mh = Instance->Modes->FindMode(*v, MODETYPE_USER); - if (mh) - mh->ChangeCount(1); - } - - /* now we've done with modes processing, put the + back for remote servers */ - params[5] = "+" + params[5]; - -#ifdef SUPPORT_IP6LINKS - if (params[6].find_first_of(":") != std::string::npos) - _new->SetSockAddr(AF_INET6, params[6].c_str(), 0); - else -#endif - _new->SetSockAddr(AF_INET, params[6].c_str(), 0); - - Instance->AddGlobalClone(_new); - - bool dosend = !(((this->Utils->quiet_bursts) && (this->bursting || Utils->FindRemoteBurstServer(remoteserver))) || (this->Instance->SilentULine(_new->server))); - - if (dosend) - this->Instance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s!%s@%s [%s] [%s]",_new->server,_new->nick,_new->ident,_new->host, _new->GetIPString(), _new->fullname); - - params[7] = ":" + params[7]; - Utils->DoOneToAllButSender(source,"NICK", params, source); - - // Increment the Source Servers User Count.. - TreeServer* SourceServer = Utils->FindServer(source); - if (SourceServer) - { - SourceServer->AddUserCount(); - } - - FOREACH_MOD_I(Instance,I_OnPostConnect,OnPostConnect(_new)); - - return true; -} - -/** Send one or more FJOINs for a channel of users. - * If the length of a single line is more than 480-NICKMAX - * in length, it is split over multiple lines. - */ -void TreeSocket::SendFJoins(TreeServer* Current, chanrec* c) -{ - std::string buffer; - char list[MAXBUF]; - std::string individual_halfops = std::string(":")+this->Instance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age); - - size_t dlen, curlen; - dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age); - int numusers = 0; - char* ptr = list + dlen; - - CUList *ulist = c->GetUsers(); - std::string modes; - std::string params; - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - // The first parameter gets a : before it - size_t ptrlen = snprintf(ptr, MAXBUF, " %s%s,%s", !numusers ? ":" : "", c->GetAllPrefixChars(i->first), i->first->nick); - - curlen += ptrlen; - ptr += ptrlen; - - numusers++; - - if (curlen > (480-NICKMAX)) - { - buffer.append(list).append("\r\n"); - dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age); - ptr = list + dlen; - ptrlen = 0; - numusers = 0; - } - } - - if (numusers) - buffer.append(list).append("\r\n"); - - buffer.append(":").append(this->Instance->Config->ServerName).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(c->ChanModes(true)).append("\r\n"); - - int linesize = 1; - for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++) - { - int size = strlen(b->data) + 2; - int currsize = linesize + size; - if (currsize <= 350) - { - modes.append("b"); - params.append(" ").append(b->data); - linesize += size; - } - if ((params.length() >= MAXMODES) || (currsize > 350)) - { - /* Wrap at MAXMODES */ - buffer.append(":").append(this->Instance->Config->ServerName).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params).append("\r\n"); - modes.clear(); - params.clear(); - linesize = 1; - } - } - - /* Only send these if there are any */ - if (!modes.empty()) - buffer.append(":").append(this->Instance->Config->ServerName).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params); - - this->WriteLine(buffer); -} - -/** Send G, Q, Z and E lines */ -void TreeSocket::SendXLines(TreeServer* Current) -{ - char data[MAXBUF]; - std::string buffer; - std::string n = this->Instance->Config->ServerName; - const char* sn = n.c_str(); - /* Yes, these arent too nice looking, but they get the job done */ - for (std::vector::iterator i = Instance->XLines->zlines.begin(); i != Instance->XLines->zlines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s\r\n",sn,(*i)->ipaddr,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - for (std::vector::iterator i = Instance->XLines->qlines.begin(); i != Instance->XLines->qlines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s\r\n",sn,(*i)->nick,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - for (std::vector::iterator i = Instance->XLines->glines.begin(); i != Instance->XLines->glines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE G %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - for (std::vector::iterator i = Instance->XLines->elines.begin(); i != Instance->XLines->elines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE E %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - for (std::vector::iterator i = Instance->XLines->pzlines.begin(); i != Instance->XLines->pzlines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s\r\n",sn,(*i)->ipaddr,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - for (std::vector::iterator i = Instance->XLines->pqlines.begin(); i != Instance->XLines->pqlines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s\r\n",sn,(*i)->nick,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - for (std::vector::iterator i = Instance->XLines->pglines.begin(); i != Instance->XLines->pglines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE G %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - for (std::vector::iterator i = Instance->XLines->pelines.begin(); i != Instance->XLines->pelines.end(); i++) - { - snprintf(data,MAXBUF,":%s ADDLINE E %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); - buffer.append(data); - } - - if (!buffer.empty()) - this->WriteLine(buffer); -} - -/** Send channel modes and topics */ -void TreeSocket::SendChannelModes(TreeServer* Current) -{ - char data[MAXBUF]; - std::deque list; - std::string n = this->Instance->Config->ServerName; - const char* sn = n.c_str(); - Instance->Log(DEBUG,"Sending channels and modes, %d to send", this->Instance->chanlist->size()); - for (chan_hash::iterator c = this->Instance->chanlist->begin(); c != this->Instance->chanlist->end(); c++) - { - SendFJoins(Current, c->second); - if (*c->second->topic) - { - snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s",sn,c->second->name,(unsigned long)c->second->topicset,c->second->setby,c->second->topic); - this->WriteLine(data); - } - FOREACH_MOD_I(this->Instance,I_OnSyncChannel,OnSyncChannel(c->second,(Module*)Utils->Creator,(void*)this)); - list.clear(); - c->second->GetExtList(list); - for (unsigned int j = 0; j < list.size(); j++) - { - FOREACH_MOD_I(this->Instance,I_OnSyncChannelMetaData,OnSyncChannelMetaData(c->second,(Module*)Utils->Creator,(void*)this,list[j])); - } - } -} - -/** send all users and their oper state/modes */ -void TreeSocket::SendUsers(TreeServer* Current) -{ - char data[MAXBUF]; - std::deque list; - std::string dataline; - for (user_hash::iterator u = this->Instance->clientlist->begin(); u != this->Instance->clientlist->end(); u++) - { - if (u->second->registered == REG_ALL) - { - snprintf(data,MAXBUF,":%s NICK %lu %s %s %s %s +%s %s :%s",u->second->server,(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->FormatModes(),u->second->GetIPString(),u->second->fullname); - this->WriteLine(data); - if (*u->second->oper) - { - snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->nick, u->second->oper); - this->WriteLine(data); - } - if (*u->second->awaymsg) - { - snprintf(data,MAXBUF,":%s AWAY :%s", u->second->nick, u->second->awaymsg); - this->WriteLine(data); - } - } - } - for (user_hash::iterator u = this->Instance->clientlist->begin(); u != this->Instance->clientlist->end(); u++) - { - FOREACH_MOD_I(this->Instance,I_OnSyncUser,OnSyncUser(u->second,(Module*)Utils->Creator,(void*)this)); - list.clear(); - u->second->GetExtList(list); - for (unsigned int j = 0; j < list.size(); j++) - { - FOREACH_MOD_I(this->Instance,I_OnSyncUserMetaData,OnSyncUserMetaData(u->second,(Module*)Utils->Creator,(void*)this,list[j])); - } - } -} - -/** This function is called when we want to send a netburst to a local - * server. There is a set order we must do this, because for example - * users require their servers to exist, and channels require their - * users to exist. You get the idea. - */ -void TreeSocket::DoBurst(TreeServer* s) -{ - std::string name = s->GetName(); - std::string burst = "BURST "+ConvToStr(Instance->Time(true)); - std::string endburst = "ENDBURST"; - this->Instance->SNO->WriteToSnoMask('l',"Bursting to \2%s\2 (Authentication: %s).", name.c_str(), this->GetTheirChallenge().empty() ? "plaintext password" : "SHA256-HMAC challenge-response"); - this->WriteLine(burst); - /* send our version string */ - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" VERSION :"+this->Instance->GetVersionString()); - /* Send server tree */ - this->SendServers(Utils->TreeRoot,s,1); - /* Send users and their oper status */ - this->SendUsers(s); - /* Send everything else (channel modes, xlines etc) */ - this->SendChannelModes(s); - this->SendXLines(s); - FOREACH_MOD_I(this->Instance,I_OnSyncOtherMetaData,OnSyncOtherMetaData((Module*)Utils->Creator,(void*)this)); - this->WriteLine(endburst); - this->Instance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+name+"\2."); -} - -/** This function is called when we receive data from a remote - * server. We buffer the data in a std::string (it doesnt stay - * there for long), reading using InspSocket::Read() which can - * read up to 16 kilobytes in one operation. - * - * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES - * THE SOCKET OBJECT FOR US. - */ -bool TreeSocket::OnDataReady() -{ - char* data = this->Read(); - /* Check that the data read is a valid pointer and it has some content */ - if (data && *data) - { - this->in_buffer.append(data); - /* While there is at least one new line in the buffer, - * do something useful (we hope!) with it. - */ - while (in_buffer.find("\n") != std::string::npos) - { - std::string ret = in_buffer.substr(0,in_buffer.find("\n")-1); - in_buffer = in_buffer.substr(in_buffer.find("\n")+1,in_buffer.length()-in_buffer.find("\n")); - /* Use rfind here not find, as theres more - * chance of the \r being near the end of the - * string, not the start. - */ - if (ret.find("\r") != std::string::npos) - ret = in_buffer.substr(0,in_buffer.find("\r")-1); - /* Process this one, abort if it - * didnt return true. - */ - if (!this->ProcessLine(ret)) - { - return false; - } - } - return true; - } - /* EAGAIN returns an empty but non-NULL string, so this - * evaluates to TRUE for EAGAIN but to FALSE for EOF. - */ - return (data && !*data); -} - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_hash.h" #include "socketengine.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" #include "m_spanningtree/resolvers.h" #include "m_spanningtree/handshaketimer.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_hash.h */ /** Because most of the I/O gubbins are encapsulated within * InspSocket, we just call the superclass constructor for * most of the action, and append a few of our own values * to it. */ TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, Module* HookMod) : InspSocket(SI, host, port, listening, maxtime), Utils(Util), Hook(HookMod) { myhost = host; this->LinkState = LISTENER; theirchallenge.clear(); ourchallenge.clear(); if (listening && Hook) InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); } TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, const std::string &ServerName, const std::string &bindto, Module* HookMod) : InspSocket(SI, host, port, listening, maxtime, bindto), Utils(Util), Hook(HookMod) { myhost = ServerName; theirchallenge.clear(); ourchallenge.clear(); this->LinkState = CONNECTING; if (Hook) InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); } /** When a listening socket gives us a new file descriptor, * we must associate it with a socket without creating a new * connection. This constructor is used for this purpose. */ TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, int newfd, char* ip, Module* HookMod) : InspSocket(SI, newfd, ip), Utils(Util), Hook(HookMod) { this->LinkState = WAIT_AUTH_1; theirchallenge.clear(); ourchallenge.clear(); sentcapab = false; /* If we have a transport module hooked to the parent, hook the same module to this * socket, and set a timer waiting for handshake before we send CAPAB etc. */ if (Hook) InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); Instance->Timers->AddTimer(new HandshakeTimer(Instance, this, &(Utils->LinkBlocks[0]), this->Utils, 1)); } ServerState TreeSocket::GetLinkState() { return this->LinkState; } Module* TreeSocket::GetHook() { return this->Hook; } TreeSocket::~TreeSocket() { if (Hook) InspSocketUnhookRequest(this, (Module*)Utils->Creator, Hook).Send(); Utils->DelBurstingServer(this); } const std::string& TreeSocket::GetOurChallenge() { return this->ourchallenge; } void TreeSocket::SetOurChallenge(const std::string &c) { this->ourchallenge = c; } const std::string& TreeSocket::GetTheirChallenge() { return this->theirchallenge; } void TreeSocket::SetTheirChallenge(const std::string &c) { this->theirchallenge = c; } std::string TreeSocket::MakePass(const std::string &password, const std::string &challenge) { /* This is a simple (maybe a bit hacky?) HMAC algorithm, thanks to jilles for * suggesting the use of HMAC to secure the password against various attacks. * * Note: If m_sha256.so is not loaded, we MUST fall back to plaintext with no * HMAC challenge/response. */ Module* sha256 = Instance->FindModule("m_sha256.so"); if (Utils->ChallengeResponse && sha256 && !challenge.empty()) { /* XXX: This is how HMAC is supposed to be done: * * sha256( (pass xor 0x5c) + sha256((pass xor 0x36) + m) ) * * Note that we are encoding the hex hash, not the binary * output of the hash which is slightly different to standard. * * Don't ask me why its always 0x5c and 0x36... it just is. */ std::string hmac1, hmac2; for (size_t n = 0; n < password.length(); n++) { hmac1 += static_cast(password[n] ^ 0x5C); hmac2 += static_cast(password[n] ^ 0x36); } hmac2 += challenge; HashResetRequest(Utils->Creator, sha256).Send(); hmac2 = HashSumRequest(Utils->Creator, sha256, hmac2).Send(); HashResetRequest(Utils->Creator, sha256).Send(); std::string hmac = hmac1 + hmac2; hmac = HashSumRequest(Utils->Creator, sha256, hmac).Send(); return "HMAC-SHA256:"+ hmac; } else if (!challenge.empty() && !sha256) Instance->Log(DEFAULT,"Not authenticating to server using SHA256/HMAC because we don't have m_sha256 loaded!"); return password; } /** When an outbound connection finishes connecting, we receive * this event, and must send our SERVER string to the other * side. If the other side is happy, as outlined in the server * to server docs on the inspircd.org site, the other side * will then send back its own server string. */ bool TreeSocket::OnConnected() { if (this->LinkState == CONNECTING) { /* we do not need to change state here. */ for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) { if (x->Name == this->myhost) { this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "" : this->GetIP())+"] started."); if (Hook) { InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "" : this->GetIP())+"] using transport \2"+x->Hook+"\2"); } this->OutboundPass = x->SendPass; sentcapab = false; /* found who we're supposed to be connecting to, send the neccessary gubbins. */ if (this->GetHook()) Instance->Timers->AddTimer(new HandshakeTimer(Instance, this, &(*x), this->Utils, 1)); else this->SendCapabilities(); return true; } } } /* There is a (remote) chance that between the /CONNECT and the connection * being accepted, some muppet has removed the block and rehashed. * If that happens the connection hangs here until it's closed. Unlikely * and rather harmless. */ this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2 lost link tag(!)"); return true; } void TreeSocket::OnError(InspSocketError e) { Link* MyLink; switch (e) { case I_ERR_CONNECT: this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Connection to \002"+myhost+"\002 refused"); MyLink = Utils->FindLink(myhost); if (MyLink) Utils->DoFailOver(MyLink); break; case I_ERR_SOCKET: this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Could not create socket"); break; case I_ERR_BIND: this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Error binding socket to address or port"); break; case I_ERR_WRITE: this->Instance->SNO->WriteToSnoMask('l',"Connection failed: I/O error on connection"); break; case I_ERR_NOMOREFDS: this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Operating system is out of file descriptors!"); break; default: if ((errno) && (errno != EINPROGRESS) && (errno != EAGAIN)) { std::string errstr = strerror(errno); this->Instance->SNO->WriteToSnoMask('l',"Connection to \002"+myhost+"\002 failed with OS error: " + errstr); } break; } } int TreeSocket::OnDisconnect() { /* For the same reason as above, we don't * handle OnDisconnect() */ return true; } /** Recursively send the server tree with distances as hops. * This is used during network burst to inform the other server * (and any of ITS servers too) of what servers we know about. * If at any point any of these servers already exist on the other * end, our connection may be terminated. The hopcounts given * by this function are relative, this doesn't matter so long as * they are all >1, as all the remote servers re-calculate them * to be relative too, with themselves as hop 0. */ void TreeSocket::SendServers(TreeServer* Current, TreeServer* s, int hops) { char command[1024]; for (unsigned int q = 0; q < Current->ChildCount(); q++) { TreeServer* recursive_server = Current->GetChild(q); if (recursive_server != s) { snprintf(command,1024,":%s SERVER %s * %d :%s",Current->GetName().c_str(),recursive_server->GetName().c_str(),hops,recursive_server->GetDesc().c_str()); this->WriteLine(command); this->WriteLine(":"+recursive_server->GetName()+" VERSION :"+recursive_server->GetVersion()); /* down to next level */ this->SendServers(recursive_server, s, hops+1); } } } std::string TreeSocket::MyCapabilities() { std::vector modlist; std::string capabilities; for (int i = 0; i <= this->Instance->GetModuleCount(); i++) { if (this->Instance->modules[i]->GetVersion().Flags & VF_COMMON) modlist.push_back(this->Instance->Config->module_names[i]); } sort(modlist.begin(),modlist.end()); for (unsigned int i = 0; i < modlist.size(); i++) { if (i) capabilities = capabilities + ","; capabilities = capabilities + modlist[i]; } return capabilities; } std::string TreeSocket::RandString(unsigned int length) { char* randombuf = new char[length+1]; std::string out; #ifdef WINDOWS int fd = -1; #else int fd = open("/dev/urandom", O_RDONLY, 0); #endif if (fd >= 0) { #ifndef WINDOWS read(fd, randombuf, length); close(fd); #endif } else { for (unsigned int i = 0; i < length; i++) randombuf[i] = rand(); } for (unsigned int i = 0; i < length; i++) { char randchar = static_cast((randombuf[i] & 0x7F) | 0x21); out += (randchar == '=' ? '_' : randchar); } delete[] randombuf; return out; } void TreeSocket::SendCapabilities() { if (sentcapab) return; sentcapab = true; irc::commasepstream modulelist(MyCapabilities()); this->WriteLine("CAPAB START"); /* Send module names, split at 509 length */ std::string item = "*"; std::string line = "CAPAB MODULES "; while ((item = modulelist.GetToken()) != "") { if (line.length() + item.length() + 1 > 509) { this->WriteLine(line); line = "CAPAB MODULES "; } if (line != "CAPAB MODULES ") line.append(","); line.append(item); } if (line != "CAPAB MODULES ") this->WriteLine(line); int ip6 = 0; int ip6support = 0; #ifdef IPV6 ip6 = 1; #endif #ifdef SUPPORT_IP6LINKS ip6support = 1; #endif std::string extra; /* Do we have sha256 available? If so, we send a challenge */ if (Utils->ChallengeResponse && (Instance->FindModule("m_sha256.so"))) { this->SetOurChallenge(RandString(20)); extra = " CHALLENGE=" + this->GetOurChallenge(); } this->WriteLine("CAPAB CAPABILITIES :NICKMAX="+ConvToStr(NICKMAX)+" HALFOP="+ConvToStr(this->Instance->Config->AllowHalfop)+" CHANMAX="+ConvToStr(CHANMAX)+" MAXMODES="+ConvToStr(MAXMODES)+" IDENTMAX="+ConvToStr(IDENTMAX)+" MAXQUIT="+ConvToStr(MAXQUIT)+" MAXTOPIC="+ConvToStr(MAXTOPIC)+" MAXKICK="+ConvToStr(MAXKICK)+" MAXGECOS="+ConvToStr(MAXGECOS)+" MAXAWAY="+ConvToStr(MAXAWAY)+" IP6NATIVE="+ConvToStr(ip6)+" IP6SUPPORT="+ConvToStr(ip6support)+" PROTOCOL="+ConvToStr(ProtocolVersion)+extra+" PREFIX="+Instance->Modes->BuildPrefixes()+" CHANMODES="+Instance->Modes->ChanModes()); this->WriteLine("CAPAB END"); } /* Check a comma seperated list for an item */ bool TreeSocket::HasItem(const std::string &list, const std::string &item) { irc::commasepstream seplist(list); std::string item2 = "*"; while ((item2 = seplist.GetToken()) != "") { if (item2 == item) return true; } return false; } /* Isolate and return the elements that are different between two comma seperated lists */ std::string TreeSocket::ListDifference(const std::string &one, const std::string &two) { irc::commasepstream list_one(one); std::string item = "*"; std::string result; while ((item = list_one.GetToken()) != "") { if (!HasItem(two, item)) { result.append(" "); result.append(item); } } return result; } void TreeSocket::SendError(const std::string &errormessage) { /* Display the error locally as well as sending it remotely */ this->WriteLine("ERROR :"+errormessage); this->Instance->SNO->WriteToSnoMask('l',"Sent \2ERROR\2 to "+this->InboundServerName+": "+errormessage); /* One last attempt to make sure the error reaches its target */ this->FlushWriteBuffer(); } bool TreeSocket::Capab(const std::deque ¶ms) { if (params.size() < 1) { this->SendError("Invalid number of parameters for CAPAB - Mismatched version"); return false; } if (params[0] == "START") { this->ModuleList.clear(); this->CapKeys.clear(); } else if (params[0] == "END") { std::string reason; int ip6support = 0; #ifdef SUPPORT_IP6LINKS ip6support = 1; #endif /* Compare ModuleList and check CapKeys... * Maybe this could be tidier? -- Brain */ if ((this->ModuleList != this->MyCapabilities()) && (this->ModuleList.length())) { std::string diff = ListDifference(this->ModuleList, this->MyCapabilities()); if (!diff.length()) { diff = "your server:" + ListDifference(this->MyCapabilities(), this->ModuleList); } else { diff = "this server:" + diff; } if (diff.length() == 12) reason = "Module list in CAPAB is not alphabetically ordered, cannot compare lists."; else reason = "Modules loaded on these servers are not correctly matched, these modules are not loaded on " + diff; } cap_validation valid_capab[] = { {"Maximum nickname lengths differ or remote nickname length not specified", "NICKMAX", NICKMAX}, {"Maximum ident lengths differ or remote ident length not specified", "IDENTMAX", IDENTMAX}, {"Maximum channel lengths differ or remote channel length not specified", "CHANMAX", CHANMAX}, {"Maximum modes per line differ or remote modes per line not specified", "MAXMODES", MAXMODES}, {"Maximum quit lengths differ or remote quit length not specified", "MAXQUIT", MAXQUIT}, {"Maximum topic lengths differ or remote topic length not specified", "MAXTOPIC", MAXTOPIC}, {"Maximum kick lengths differ or remote kick length not specified", "MAXKICK", MAXKICK}, {"Maximum GECOS (fullname) lengths differ or remote GECOS length not specified", "MAXGECOS", MAXGECOS}, {"Maximum awaymessage lengths differ or remote awaymessage length not specified", "MAXAWAY", MAXAWAY}, {"", "", 0} }; if (((this->CapKeys.find("IP6SUPPORT") == this->CapKeys.end()) && (ip6support)) || ((this->CapKeys.find("IP6SUPPORT") != this->CapKeys.end()) && (this->CapKeys.find("IP6SUPPORT")->second != ConvToStr(ip6support)))) reason = "We don't both support linking to IPV6 servers"; if (((this->CapKeys.find("IP6NATIVE") != this->CapKeys.end()) && (this->CapKeys.find("IP6NATIVE")->second == "1")) && (!ip6support)) reason = "The remote server is IPV6 native, and we don't support linking to IPV6 servers"; if (((this->CapKeys.find("PROTOCOL") == this->CapKeys.end()) || ((this->CapKeys.find("PROTOCOL") != this->CapKeys.end()) && (this->CapKeys.find("PROTOCOL")->second != ConvToStr(ProtocolVersion))))) { if (this->CapKeys.find("PROTOCOL") != this->CapKeys.end()) reason = "Mismatched protocol versions "+this->CapKeys.find("PROTOCOL")->second+" and "+ConvToStr(ProtocolVersion); else reason = "Protocol version not specified"; } if(this->CapKeys.find("PREFIX") != this->CapKeys.end() && this->CapKeys.find("PREFIX")->second != this->Instance->Modes->BuildPrefixes()) reason = "One or more of the prefixes on the remote server are invalid on this server."; if (((this->CapKeys.find("HALFOP") == this->CapKeys.end()) && (Instance->Config->AllowHalfop)) || ((this->CapKeys.find("HALFOP") != this->CapKeys.end()) && (this->CapKeys.find("HALFOP")->second != ConvToStr(Instance->Config->AllowHalfop)))) reason = "We don't both have halfop support enabled/disabled identically"; for (int x = 0; valid_capab[x].size; ++x) { if (((this->CapKeys.find(valid_capab[x].key) == this->CapKeys.end()) || ((this->CapKeys.find(valid_capab[x].key) != this->CapKeys.end()) && (this->CapKeys.find(valid_capab[x].key)->second != ConvToStr(valid_capab[x].size))))) reason = valid_capab[x].reason; } /* Challenge response, store their challenge for our password */ std::map::iterator n = this->CapKeys.find("CHALLENGE"); if (Utils->ChallengeResponse && (n != this->CapKeys.end()) && (Instance->FindModule("m_sha256.so"))) { /* Challenge-response is on now */ this->SetTheirChallenge(n->second); if (!this->GetTheirChallenge().empty() && (this->LinkState == CONNECTING)) { this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+this->MakePass(OutboundPass, this->GetTheirChallenge())+" 0 :"+this->Instance->Config->ServerDesc); } } else { /* They didnt specify a challenge or we don't have m_sha256.so, we use plaintext */ if (this->LinkState == CONNECTING) this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+OutboundPass+" 0 :"+this->Instance->Config->ServerDesc); } if (reason.length()) { this->SendError("CAPAB negotiation failed: "+reason); return false; } } else if ((params[0] == "MODULES") && (params.size() == 2)) { if (!this->ModuleList.length()) { this->ModuleList.append(params[1]); } else { this->ModuleList.append(","); this->ModuleList.append(params[1]); } } else if ((params[0] == "CAPABILITIES") && (params.size() == 2)) { irc::tokenstream capabs(params[1]); std::string item; bool more = true; while ((more = capabs.GetToken(item))) { /* Process each key/value pair */ std::string::size_type equals = item.rfind('='); if (equals != std::string::npos) { std::string var = item.substr(0, equals); std::string value = item.substr(equals+1, item.length()); CapKeys[var] = value; } } } return true; } /** This function forces this server to quit, removing this server * and any users on it (and servers and users below that, etc etc). * It's very slow and pretty clunky, but luckily unless your network * is having a REAL bad hair day, this function shouldnt be called * too many times a month ;-) */ void TreeSocket::SquitServer(std::string &from, TreeServer* Current) { /* recursively squit the servers attached to 'Current'. * We're going backwards so we don't remove users * while we still need them ;) */ for (unsigned int q = 0; q < Current->ChildCount(); q++) { TreeServer* recursive_server = Current->GetChild(q); this->SquitServer(from,recursive_server); } /* Now we've whacked the kids, whack self */ num_lost_servers++; num_lost_users += Current->QuitUsers(from); } /** This is a wrapper function for SquitServer above, which * does some validation first and passes on the SQUIT to all * other remaining servers. */ void TreeSocket::Squit(TreeServer* Current, const std::string &reason) { if ((Current) && (Current != Utils->TreeRoot)) { Event rmode((char*)Current->GetName().c_str(), (Module*)Utils->Creator, "lost_server"); rmode.Send(Instance); std::deque params; params.push_back(Current->GetName()); params.push_back(":"+reason); Utils->DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName()); if (Current->GetParent() == Utils->TreeRoot) { this->Instance->SNO->WriteToSnoMask('l',"Server \002"+Current->GetName()+"\002 split: "+reason); } else { this->Instance->SNO->WriteToSnoMask('l',"Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason); } num_lost_servers = 0; num_lost_users = 0; std::string from = Current->GetParent()->GetName()+" "+Current->GetName(); SquitServer(from, Current); Current->Tidy(); Current->GetParent()->DelChild(Current); DELETE(Current); this->Instance->SNO->WriteToSnoMask('l',"Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers); } else Instance->Log(DEFAULT,"Squit from unknown server"); } /** FMODE command - server mode with timestamp checks */ bool TreeSocket::ForceMode(const std::string &source, std::deque ¶ms) { /* Chances are this is a 1.0 FMODE without TS */ if (params.size() < 3) { /* No modes were in the command, probably a channel with no modes set on it */ return true; } bool smode = false; std::string sourceserv; /* Are we dealing with an FMODE from a user, or from a server? */ userrec* who = this->Instance->FindNick(source); if (who) { /* FMODE from a user, set sourceserv to the users server name */ sourceserv = who->server; } else { /* FMODE from a server, create a fake user to receive mode feedback */ who = new userrec(this->Instance); who->SetFd(FD_MAGIC_NUMBER); smode = true; /* Setting this flag tells us we should free the userrec later */ sourceserv = source; /* Set sourceserv to the actual source string */ } const char* modelist[64]; time_t TS = 0; int n = 0; memset(&modelist,0,sizeof(modelist)); for (unsigned int q = 0; (q < params.size()) && (q < 64); q++) { if (q == 1) { /* The timestamp is in this position. * We don't want to pass that up to the * server->client protocol! */ TS = atoi(params[q].c_str()); } else { /* Everything else is fine to append to the modelist */ modelist[n++] = params[q].c_str(); } } /* Extract the TS value of the object, either userrec or chanrec */ userrec* dst = this->Instance->FindNick(params[0]); chanrec* chan = NULL; time_t ourTS = 0; if (dst) { ourTS = dst->age; } else { chan = this->Instance->FindChan(params[0]); if (chan) { ourTS = chan->age; } else /* Oops, channel doesnt exist! */ return true; } if (!TS) { Instance->Log(DEFAULT,"*** BUG? *** TS of 0 sent to FMODE. Are some services authors smoking craq, or is it 1970 again?. Dropped."); Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending FMODE with a TS of zero. Total craq. Mode was dropped.", sourceserv.c_str()); return true; } /* TS is equal or less: Merge the mode changes into ours and pass on. */ if (TS <= ourTS) { if ((TS < ourTS) && (!dst)) Instance->Log(DEFAULT,"*** BUG *** Channel TS sent in FMODE to %s is %lu which is not equal to %lu!", params[0].c_str(), TS, ourTS); if (smode) { this->Instance->SendMode(modelist, n, who); } else { this->Instance->CallCommandHandler("MODE", modelist, n, who); } /* HOT POTATO! PASS IT ON! */ Utils->DoOneToAllButSender(source,"FMODE",params,sourceserv); } /* If the TS is greater than ours, we drop the mode and dont pass it anywhere. */ if (smode) DELETE(who); return true; } /** FTOPIC command */ bool TreeSocket::ForceTopic(const std::string &source, std::deque ¶ms) { if (params.size() != 4) return true; time_t ts = atoi(params[1].c_str()); std::string nsource = source; chanrec* c = this->Instance->FindChan(params[0]); if (c) { if ((ts >= c->topicset) || (!*c->topic)) { std::string oldtopic = c->topic; strlcpy(c->topic,params[3].c_str(),MAXTOPIC); strlcpy(c->setby,params[2].c_str(),127); c->topicset = ts; /* if the topic text is the same as the current topic, * dont bother to send the TOPIC command out, just silently * update the set time and set nick. */ if (oldtopic != params[3]) { userrec* user = this->Instance->FindNick(source); if (!user) { c->WriteChannelWithServ(Instance->Config->ServerName, "TOPIC %s :%s", c->name, c->topic); } else { c->WriteChannel(user, "TOPIC %s :%s", c->name, c->topic); nsource = user->server; } /* all done, send it on its way */ params[3] = ":" + params[3]; Utils->DoOneToAllButSender(source,"FTOPIC",params,nsource); } } } return true; } /** FJOIN, similar to TS6 SJOIN, but not quite. */ bool TreeSocket::ForceJoin(const std::string &source, std::deque ¶ms) { /* 1.1 FJOIN works as follows: * * Each FJOIN is sent along with a timestamp, and the side with the lowest * timestamp 'wins'. From this point on we will refer to this side as the * winner. The side with the higher timestamp loses, from this point on we * will call this side the loser or losing side. This should be familiar to * anyone who's dealt with dreamforge or TS6 before. * * When two sides of a split heal and this occurs, the following things * will happen: * * If the timestamps are exactly equal, both sides merge their privilages * and users, as in InspIRCd 1.0 and ircd2.8. The channels have not been * re-created during a split, this is safe to do. * * If the timestamps are NOT equal, the losing side removes all of its * modes from the channel, before introducing new users into the channel * which are listed in the FJOIN command's parameters. The losing side then * LOWERS its timestamp value of the channel to match that of the winning * side, and the modes of the users of the winning side are merged in with * the losing side. * * The winning side on the other hand will ignore all user modes from the * losing side, so only its own modes get applied. Life is simple for those * who succeed at internets. :-) * * NOTE: Unlike TS6 and dreamforge and other protocols which have SJOIN, * FJOIN does not contain the simple-modes such as +iklmnsp. Why not, * you ask? Well, quite simply because we don't need to. They'll be sent * after the FJOIN by FMODE, and FMODE is timestamped, so in the event * the losing side sends any modes for the channel which shouldnt win, * they wont as their timestamp will be too high :-) */ if (params.size() < 3) return true; irc::modestacker modestack(true); /* Modes to apply from the users in the user list */ userrec* who = NULL; /* User we are currently checking */ std::string channel = params[0]; /* Channel name, as a string */ time_t TS = atoi(params[1].c_str()); /* Timestamp given to us for remote side */ irc::tokenstream users(params[2]); /* Users from the user list */ bool apply_other_sides_modes = true; /* True if we are accepting the other side's modes */ chanrec* chan = this->Instance->FindChan(channel); /* The channel we're sending joins to */ time_t ourTS = chan ? chan->age : Instance->Time(true)+600; /* The TS of our side of the link */ bool created = !chan; /* True if the channel doesnt exist here yet */ std::string item; /* One item in the list of nicks */ params[2] = ":" + params[2]; Utils->DoOneToAllButSender(source,"FJOIN",params,source); if (!TS) { Instance->Log(DEFAULT,"*** BUG? *** TS of 0 sent to FJOIN. Are some services authors smoking craq, or is it 1970 again?. Dropped."); Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending FJOIN with a TS of zero. Total craq. Command was dropped.", source.c_str()); return true; } /* If our TS is less than theirs, we dont accept their modes */ if (ourTS < TS) apply_other_sides_modes = false; /* Our TS greater than theirs, clear all our modes from the channel, accept theirs. */ if (ourTS > TS) { std::deque param_list; if (Utils->AnnounceTSChange && chan) chan->WriteChannelWithServ(Instance->Config->ServerName, "NOTICE %s :TS for %s changed from %lu to %lu", chan->name, chan->name, ourTS, TS); ourTS = TS; if (!created) { chan->age = TS; param_list.push_back(channel); this->RemoveStatus(Instance->Config->ServerName, param_list); } } /* Now, process every 'prefixes,nick' pair */ while (users.GetToken(item)) { const char* usr = item.c_str(); if (usr && *usr) { const char* permissions = usr; /* Iterate through all the prefix values, convert them from prefixes to mode letters */ std::string modes; while ((*permissions) && (*permissions != ',')) { ModeHandler* mh = Instance->Modes->FindPrefix(*permissions); if (mh) modes = modes + mh->GetModeChar(); else { this->SendError(std::string("Invalid prefix '")+(*permissions)+"' in FJOIN"); return false; } usr++; permissions++; } /* Advance past the comma, to the nick */ usr++; /* Check the user actually exists */ who = this->Instance->FindNick(usr); if (who) { /* Check that the user's 'direction' is correct */ TreeServer* route_back_again = Utils->BestRouteTo(who->server); if ((!route_back_again) || (route_back_again->GetSocket() != this)) continue; /* Add any permissions this user had to the mode stack */ for (std::string::iterator x = modes.begin(); x != modes.end(); ++x) modestack.Push(*x, who->nick); chanrec::JoinUser(this->Instance, who, channel.c_str(), true, "", TS); } else { Instance->Log(SPARSE,"Warning! Invalid user %s in FJOIN to channel %s IGNORED", usr, channel.c_str()); continue; } } } /* Flush mode stacker if we lost the FJOIN or had equal TS */ if (apply_other_sides_modes) { std::deque stackresult; const char* mode_junk[MAXMODES+2]; userrec* n = new userrec(Instance); n->SetFd(FD_MAGIC_NUMBER); mode_junk[0] = channel.c_str(); while (modestack.GetStackedLine(stackresult)) { for (size_t j = 0; j < stackresult.size(); j++) { mode_junk[j+1] = stackresult[j].c_str(); } Instance->SendMode(mode_junk, stackresult.size() + 1, n); } delete n; } return true; } /** NICK command */ bool TreeSocket::IntroduceClient(const std::string &source, std::deque ¶ms) { /** Do we have enough parameters: * NICK age nick host dhost ident +modes ip :gecos */ if (params.size() != 8) { this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)"); return true; } time_t age = ConvToInt(params[0]); const char* tempnick = params[1].c_str(); cmd_validation valid[] = { {"Nickname", 1, NICKMAX}, {"Hostname", 2, 64}, {"Displayed hostname", 3, 64}, {"Ident", 4, IDENTMAX}, {"GECOS", 7, MAXGECOS}, {"", 0, 0} }; TreeServer* remoteserver = Utils->FindServer(source); if (!remoteserver) { this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction (Unknown server "+source+")"); return true; } /* Check parameters for validity before introducing the client, discovered by dmb */ if (!age) { this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction (Invalid TS?)"); return true; } for (size_t x = 0; valid[x].length; ++x) { if (params[valid[x].param].length() > valid[x].length) { this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction (" + valid[x].item + " > " + ConvToStr(valid[x].length) + ")"); return true; } } /** Our client looks ok, lets introduce it now */ Instance->Log(DEBUG,"New remote client %s",tempnick); user_hash::iterator iter = this->Instance->clientlist->find(tempnick); if (iter != this->Instance->clientlist->end()) { /* nick collision */ this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+tempnick+" :Nickname collision"); userrec::QuitUser(this->Instance, iter->second, "Nickname collision"); return true; } userrec* _new = new userrec(this->Instance); (*(this->Instance->clientlist))[tempnick] = _new; _new->SetFd(FD_MAGIC_NUMBER); strlcpy(_new->nick, tempnick,NICKMAX-1); strlcpy(_new->host, params[2].c_str(),64); strlcpy(_new->dhost, params[3].c_str(),64); _new->server = this->Instance->FindServerNamePtr(source.c_str()); strlcpy(_new->ident, params[4].c_str(),IDENTMAX); strlcpy(_new->fullname, params[7].c_str(),MAXGECOS); _new->registered = REG_ALL; _new->signon = age; /* we need to remove the + from the modestring, so we can do our stuff */ std::string::size_type pos_after_plus = params[5].find_first_not_of('+'); if (pos_after_plus != std::string::npos) params[5] = params[5].substr(pos_after_plus); for (std::string::iterator v = params[5].begin(); v != params[5].end(); v++) { _new->modes[(*v)-65] = 1; /* For each mode thats set, increase counter */ ModeHandler* mh = Instance->Modes->FindMode(*v, MODETYPE_USER); if (mh) mh->ChangeCount(1); } /* now we've done with modes processing, put the + back for remote servers */ params[5] = "+" + params[5]; #ifdef SUPPORT_IP6LINKS if (params[6].find_first_of(":") != std::string::npos) _new->SetSockAddr(AF_INET6, params[6].c_str(), 0); else #endif _new->SetSockAddr(AF_INET, params[6].c_str(), 0); Instance->AddGlobalClone(_new); bool dosend = !(((this->Utils->quiet_bursts) && (this->bursting || Utils->FindRemoteBurstServer(remoteserver))) || (this->Instance->SilentULine(_new->server))); if (dosend) this->Instance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s!%s@%s [%s] [%s]",_new->server,_new->nick,_new->ident,_new->host, _new->GetIPString(), _new->fullname); params[7] = ":" + params[7]; Utils->DoOneToAllButSender(source,"NICK", params, source); // Increment the Source Servers User Count.. TreeServer* SourceServer = Utils->FindServer(source); if (SourceServer) { SourceServer->AddUserCount(); } FOREACH_MOD_I(Instance,I_OnPostConnect,OnPostConnect(_new)); return true; } /** Send one or more FJOINs for a channel of users. * If the length of a single line is more than 480-NICKMAX * in length, it is split over multiple lines. */ void TreeSocket::SendFJoins(TreeServer* Current, chanrec* c) { std::string buffer; char list[MAXBUF]; std::string individual_halfops = std::string(":")+this->Instance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age); size_t dlen, curlen; dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age); int numusers = 0; char* ptr = list + dlen; CUList *ulist = c->GetUsers(); std::string modes; std::string params; for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) { // The first parameter gets a : before it size_t ptrlen = snprintf(ptr, MAXBUF, " %s%s,%s", !numusers ? ":" : "", c->GetAllPrefixChars(i->first), i->first->nick); curlen += ptrlen; ptr += ptrlen; numusers++; if (curlen > (480-NICKMAX)) { buffer.append(list).append("\r\n"); dlen = curlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu",this->Instance->Config->ServerName,c->name,(unsigned long)c->age); ptr = list + dlen; ptrlen = 0; numusers = 0; } } if (numusers) buffer.append(list).append("\r\n"); buffer.append(":").append(this->Instance->Config->ServerName).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(c->ChanModes(true)).append("\r\n"); int linesize = 1; for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++) { int size = strlen(b->data) + 2; int currsize = linesize + size; if (currsize <= 350) { modes.append("b"); params.append(" ").append(b->data); linesize += size; } if ((params.length() >= MAXMODES) || (currsize > 350)) { /* Wrap at MAXMODES */ buffer.append(":").append(this->Instance->Config->ServerName).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params).append("\r\n"); modes.clear(); params.clear(); linesize = 1; } } /* Only send these if there are any */ if (!modes.empty()) buffer.append(":").append(this->Instance->Config->ServerName).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params); this->WriteLine(buffer); } /** Send G, Q, Z and E lines */ void TreeSocket::SendXLines(TreeServer* Current) { char data[MAXBUF]; std::string buffer; std::string n = this->Instance->Config->ServerName; const char* sn = n.c_str(); /* Yes, these arent too nice looking, but they get the job done */ for (std::vector::iterator i = Instance->XLines->zlines.begin(); i != Instance->XLines->zlines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s\r\n",sn,(*i)->ipaddr,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } for (std::vector::iterator i = Instance->XLines->qlines.begin(); i != Instance->XLines->qlines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s\r\n",sn,(*i)->nick,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } for (std::vector::iterator i = Instance->XLines->glines.begin(); i != Instance->XLines->glines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE G %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } for (std::vector::iterator i = Instance->XLines->elines.begin(); i != Instance->XLines->elines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE E %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } for (std::vector::iterator i = Instance->XLines->pzlines.begin(); i != Instance->XLines->pzlines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE Z %s %s %lu %lu :%s\r\n",sn,(*i)->ipaddr,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } for (std::vector::iterator i = Instance->XLines->pqlines.begin(); i != Instance->XLines->pqlines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE Q %s %s %lu %lu :%s\r\n",sn,(*i)->nick,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } for (std::vector::iterator i = Instance->XLines->pglines.begin(); i != Instance->XLines->pglines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE G %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } for (std::vector::iterator i = Instance->XLines->pelines.begin(); i != Instance->XLines->pelines.end(); i++) { snprintf(data,MAXBUF,":%s ADDLINE E %s@%s %s %lu %lu :%s\r\n",sn,(*i)->identmask,(*i)->hostmask,(*i)->source,(unsigned long)(*i)->set_time,(unsigned long)(*i)->duration,(*i)->reason); buffer.append(data); } if (!buffer.empty()) this->WriteLine(buffer); } /** Send channel modes and topics */ void TreeSocket::SendChannelModes(TreeServer* Current) { char data[MAXBUF]; std::deque list; std::string n = this->Instance->Config->ServerName; const char* sn = n.c_str(); Instance->Log(DEBUG,"Sending channels and modes, %d to send", this->Instance->chanlist->size()); for (chan_hash::iterator c = this->Instance->chanlist->begin(); c != this->Instance->chanlist->end(); c++) { SendFJoins(Current, c->second); if (*c->second->topic) { snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s",sn,c->second->name,(unsigned long)c->second->topicset,c->second->setby,c->second->topic); this->WriteLine(data); } FOREACH_MOD_I(this->Instance,I_OnSyncChannel,OnSyncChannel(c->second,(Module*)Utils->Creator,(void*)this)); list.clear(); c->second->GetExtList(list); for (unsigned int j = 0; j < list.size(); j++) { FOREACH_MOD_I(this->Instance,I_OnSyncChannelMetaData,OnSyncChannelMetaData(c->second,(Module*)Utils->Creator,(void*)this,list[j])); } } } /** send all users and their oper state/modes */ void TreeSocket::SendUsers(TreeServer* Current) { char data[MAXBUF]; std::deque list; std::string dataline; for (user_hash::iterator u = this->Instance->clientlist->begin(); u != this->Instance->clientlist->end(); u++) { if (u->second->registered == REG_ALL) { snprintf(data,MAXBUF,":%s NICK %lu %s %s %s %s +%s %s :%s",u->second->server,(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->FormatModes(),u->second->GetIPString(),u->second->fullname); this->WriteLine(data); if (*u->second->oper) { snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->nick, u->second->oper); this->WriteLine(data); } if (*u->second->awaymsg) { snprintf(data,MAXBUF,":%s AWAY :%s", u->second->nick, u->second->awaymsg); this->WriteLine(data); } } } for (user_hash::iterator u = this->Instance->clientlist->begin(); u != this->Instance->clientlist->end(); u++) { FOREACH_MOD_I(this->Instance,I_OnSyncUser,OnSyncUser(u->second,(Module*)Utils->Creator,(void*)this)); list.clear(); u->second->GetExtList(list); for (unsigned int j = 0; j < list.size(); j++) { FOREACH_MOD_I(this->Instance,I_OnSyncUserMetaData,OnSyncUserMetaData(u->second,(Module*)Utils->Creator,(void*)this,list[j])); } } } /** This function is called when we want to send a netburst to a local * server. There is a set order we must do this, because for example * users require their servers to exist, and channels require their * users to exist. You get the idea. */ void TreeSocket::DoBurst(TreeServer* s) { std::string name = s->GetName(); std::string burst = "BURST "+ConvToStr(Instance->Time(true)); std::string endburst = "ENDBURST"; this->Instance->SNO->WriteToSnoMask('l',"Bursting to \2%s\2 (Authentication: %s).", name.c_str(), this->GetTheirChallenge().empty() ? "plaintext password" : "SHA256-HMAC challenge-response"); this->WriteLine(burst); /* send our version string */ this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" VERSION :"+this->Instance->GetVersionString()); /* Send server tree */ this->SendServers(Utils->TreeRoot,s,1); /* Send users and their oper status */ this->SendUsers(s); /* Send everything else (channel modes, xlines etc) */ this->SendChannelModes(s); this->SendXLines(s); FOREACH_MOD_I(this->Instance,I_OnSyncOtherMetaData,OnSyncOtherMetaData((Module*)Utils->Creator,(void*)this)); this->WriteLine(endburst); this->Instance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+name+"\2."); } /** This function is called when we receive data from a remote * server. We buffer the data in a std::string (it doesnt stay * there for long), reading using InspSocket::Read() which can * read up to 16 kilobytes in one operation. * * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES * THE SOCKET OBJECT FOR US. */ bool TreeSocket::OnDataReady() { char* data = this->Read(); /* Check that the data read is a valid pointer and it has some content */ if (data && *data) { this->in_buffer.append(data); /* While there is at least one new line in the buffer, * do something useful (we hope!) with it. */ while (in_buffer.find("\n") != std::string::npos) { std::string ret = in_buffer.substr(0,in_buffer.find("\n")-1); in_buffer = in_buffer.substr(in_buffer.find("\n")+1,in_buffer.length()-in_buffer.find("\n")); /* Use rfind here not find, as theres more * chance of the \r being near the end of the * string, not the start. */ if (ret.find("\r") != std::string::npos) ret = in_buffer.substr(0,in_buffer.find("\r")-1); /* Process this one, abort if it * didnt return true. */ if (!this->ProcessLine(ret)) { return false; } } return true; } /* EAGAIN returns an empty but non-NULL string, so this * evaluates to TRUE for EAGAIN but to FALSE for EOF. */ return (data && !*data); } \ No newline at end of file diff --git a/src/modules/m_spanningtree/treesocket2.cpp b/src/modules/m_spanningtree/treesocket2.cpp index f518151e9..d383e2394 100644 --- a/src/modules/m_spanningtree/treesocket2.cpp +++ b/src/modules/m_spanningtree/treesocket2.cpp @@ -1,1554 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" -#include "socketengine.h" - -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" -#include "m_spanningtree/resolvers.h" -#include "m_spanningtree/handshaketimer.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ - -static std::map warned; /* Server names that have had protocol violation warnings displayed for them */ - -int TreeSocket::WriteLine(std::string line) -{ - Instance->Log(DEBUG, "S[%d] -> %s", this->GetFd(), line.c_str()); - line.append("\r\n"); - return this->Write(line); -} - - -/* Handle ERROR command */ -bool TreeSocket::Error(std::deque ¶ms) -{ - if (params.size() < 1) - return false; - this->Instance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(!InboundServerName.empty() ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str()); - /* we will return false to cause the socket to close. */ - return false; -} - -bool TreeSocket::Modules(const std::string &prefix, std::deque ¶ms) -{ - if (params.empty()) - return true; - - if (!this->Instance->MatchText(this->Instance->Config->ServerName, params[0])) - { - /* Pass it on, not for us */ - Utils->DoOneToOne(prefix, "MODULES", params, params[0]); - return true; - } - - char strbuf[MAXBUF]; - std::deque par; - par.push_back(prefix); - par.push_back(""); - - userrec* source = this->Instance->FindNick(prefix); - if (!source) - return true; - - for (unsigned int i = 0; i < Instance->Config->module_names.size(); i++) - { - Version V = Instance->modules[i]->GetVersion(); - char modulename[MAXBUF]; - char flagstate[MAXBUF]; - *flagstate = 0; - if (V.Flags & VF_STATIC) - strlcat(flagstate,", static",MAXBUF); - if (V.Flags & VF_VENDOR) - strlcat(flagstate,", vendor",MAXBUF); - if (V.Flags & VF_COMMON) - strlcat(flagstate,", common",MAXBUF); - if (V.Flags & VF_SERVICEPROVIDER) - strlcat(flagstate,", service provider",MAXBUF); - if (!flagstate[0]) - strcpy(flagstate," "); - strlcpy(modulename,Instance->Config->module_names[i].c_str(),256); - if (*source->oper) - { - snprintf(strbuf, MAXBUF, "::%s 900 %s :0x%08lx %d.%d.%d.%d %s (%s)",Instance->Config->ServerName,source->nick,(long unsigned int)Instance->modules[i],V.Major,V.Minor,V.Revision,V.Build,ServerConfig::CleanFilename(modulename),flagstate+2); - } - else - { - snprintf(strbuf, MAXBUF, "::%s 900 %s :%s",Instance->Config->ServerName,source->nick,ServerConfig::CleanFilename(modulename)); - } - par[1] = strbuf; - Utils->DoOneToOne(Instance->Config->ServerName, "PUSH", par, source->server); - } - snprintf(strbuf, MAXBUF, "::%s 901 %s :End of MODULES list", Instance->Config->ServerName, source->nick); - par[1] = strbuf; - Utils->DoOneToOne(Instance->Config->ServerName, "PUSH", par, source->server); - return true; -} - -/** remote MOTD. leet, huh? */ -bool TreeSocket::Motd(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() > 0) - { - if (this->Instance->MatchText(this->Instance->Config->ServerName, params[0])) - { - /* It's for our server */ - string_list results; - userrec* source = this->Instance->FindNick(prefix); - - if (source) - { - std::deque par; - par.push_back(prefix); - par.push_back(""); - - if (!Instance->Config->MOTD.size()) - { - par[1] = std::string("::")+Instance->Config->ServerName+" 422 "+source->nick+" :Message of the day file is missing."; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - return true; - } - - par[1] = std::string("::")+Instance->Config->ServerName+" 375 "+source->nick+" :"+Instance->Config->ServerName+" message of the day"; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - - for (unsigned int i = 0; i < Instance->Config->MOTD.size(); i++) - { - par[1] = std::string("::")+Instance->Config->ServerName+" 372 "+source->nick+" :- "+Instance->Config->MOTD[i]; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - } - - par[1] = std::string("::")+Instance->Config->ServerName+" 376 "+source->nick+" End of message of the day."; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - } - } - else - { - /* Pass it on */ - userrec* source = this->Instance->FindNick(prefix); - if (source) - Utils->DoOneToOne(prefix, "MOTD", params, params[0]); - } - } - return true; -} - -/** remote ADMIN. leet, huh? */ -bool TreeSocket::Admin(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() > 0) - { - if (this->Instance->MatchText(this->Instance->Config->ServerName, params[0])) - { - /* It's for our server */ - string_list results; - userrec* source = this->Instance->FindNick(prefix); - if (source) - { - std::deque par; - par.push_back(prefix); - par.push_back(""); - par[1] = std::string("::")+Instance->Config->ServerName+" 256 "+source->nick+" :Administrative info for "+Instance->Config->ServerName; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - par[1] = std::string("::")+Instance->Config->ServerName+" 257 "+source->nick+" :Name - "+Instance->Config->AdminName; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - par[1] = std::string("::")+Instance->Config->ServerName+" 258 "+source->nick+" :Nickname - "+Instance->Config->AdminNick; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - par[1] = std::string("::")+Instance->Config->ServerName+" 258 "+source->nick+" :E-Mail - "+Instance->Config->AdminEmail; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - } - } - else - { - /* Pass it on */ - userrec* source = this->Instance->FindNick(prefix); - if (source) - Utils->DoOneToOne(prefix, "ADMIN", params, params[0]); - } - } - return true; -} - -bool TreeSocket::Stats(const std::string &prefix, std::deque ¶ms) -{ - /* Get the reply to a STATS query if it matches this servername, - * and send it back as a load of PUSH queries - */ - if (params.size() > 1) - { - if (this->Instance->MatchText(this->Instance->Config->ServerName, params[1])) - { - /* It's for our server */ - string_list results; - userrec* source = this->Instance->FindNick(prefix); - if (source) - { - std::deque par; - par.push_back(prefix); - par.push_back(""); - DoStats(this->Instance, *(params[0].c_str()), source, results); - for (size_t i = 0; i < results.size(); i++) - { - par[1] = "::" + results[i]; - Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); - } - } - } - else - { - /* Pass it on */ - userrec* source = this->Instance->FindNick(prefix); - if (source) - Utils->DoOneToOne(prefix, "STATS", params, params[1]); - } - } - return true; -} - - -/** Because the core won't let users or even SERVERS set +o, - * we use the OPERTYPE command to do this. - */ -bool TreeSocket::OperType(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() != 1) - return true; - std::string opertype = params[0]; - userrec* u = this->Instance->FindNick(prefix); - if (u) - { - u->modes[UM_OPERATOR] = 1; - this->Instance->all_opers.push_back(u); - strlcpy(u->oper,opertype.c_str(),NICKMAX-1); - Utils->DoOneToAllButSender(u->nick,"OPERTYPE",params,u->server); - this->Instance->SNO->WriteToSnoMask('o',"From %s: User %s (%s@%s) is now an IRC operator of type %s",u->server, u->nick,u->ident,u->host,irc::Spacify(opertype.c_str())); - } - return true; -} - -/** Because Andy insists that services-compatible servers must - * implement SVSNICK and SVSJOIN, that's exactly what we do :p - */ -bool TreeSocket::ForceNick(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 3) - return true; - - userrec* u = this->Instance->FindNick(params[0]); - - if (u) - { - Utils->DoOneToAllButSender(prefix,"SVSNICK",params,prefix); - if (IS_LOCAL(u)) - { - std::deque par; - par.push_back(params[1]); - if (!u->ForceNickChange(params[1].c_str())) - { - userrec::QuitUser(this->Instance, u, "Nickname collision"); - return true; - } - u->age = atoi(params[2].c_str()); - } - } - return true; -} - -bool TreeSocket::OperQuit(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - - userrec* u = this->Instance->FindNick(prefix); - - if (u) - { - u->SetOperQuit(params[0]); - params[0] = ":" + params[0]; - Utils->DoOneToAllButSender(prefix,"OPERQUIT",params,prefix); - } - return true; -} - -bool TreeSocket::ServiceJoin(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 2) - return true; - - userrec* u = this->Instance->FindNick(params[0]); - - if (u) - { - /* only join if it's local, otherwise just pass it on! */ - if (IS_LOCAL(u)) - chanrec::JoinUser(this->Instance, u, params[1].c_str(), false, "", Instance->Time()); - Utils->DoOneToAllButSender(prefix,"SVSJOIN",params,prefix); - } - return true; -} - -bool TreeSocket::RemoteRehash(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return false; - - std::string servermask = params[0]; - - if (this->Instance->MatchText(this->Instance->Config->ServerName,servermask)) - { - this->Instance->SNO->WriteToSnoMask('l',"Remote rehash initiated by \002"+prefix+"\002."); - this->Instance->RehashServer(); - Utils->ReadConfiguration(false); - InitializeDisabledCommands(Instance->Config->DisabledCommands, Instance); - } - Utils->DoOneToAllButSender(prefix,"REHASH",params,prefix); - return true; -} - -bool TreeSocket::RemoteKill(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() != 2) - return true; - - userrec* who = this->Instance->FindNick(params[0]); - - if (who) - { - /* Prepend kill source, if we don't have one */ - if (*(params[1].c_str()) != '[') - { - params[1] = "[" + prefix + "] Killed (" + params[1] +")"; - } - std::string reason = params[1]; - params[1] = ":" + params[1]; - Utils->DoOneToAllButSender(prefix,"KILL",params,prefix); - // NOTE: This is safe with kill hiding on, as RemoteKill is only reached if we have a server prefix. - // in short this is not executed for USERS. - who->Write(":%s KILL %s :%s (%s)", prefix.c_str(), who->nick, prefix.c_str(), reason.c_str()); - userrec::QuitUser(this->Instance,who,reason); - } - return true; -} - -bool TreeSocket::LocalPong(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - - if (params.size() == 1) - { - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - { - ServerSource->SetPingFlag(); - ServerSource->rtt = Instance->Time() - ServerSource->LastPing; - } - } - else - { - std::string forwardto = params[1]; - if (forwardto == this->Instance->Config->ServerName) - { - /* - * this is a PONG for us - * if the prefix is a user, check theyre local, and if they are, - * dump the PONG reply back to their fd. If its a server, do nowt. - * Services might want to send these s->s, but we dont need to yet. - */ - userrec* u = this->Instance->FindNick(prefix); - if (u) - { - u->WriteServ("PONG %s %s",params[0].c_str(),params[1].c_str()); - } - } - else - { - // not for us, pass it on :) - Utils->DoOneToOne(prefix,"PONG",params,forwardto); - } - } - - return true; -} - -bool TreeSocket::MetaData(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 2) - return true; - else if (params.size() < 3) - params.push_back(""); - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - { - Utils->SetRemoteBursting(ServerSource, false); - - if (params[0] == "*") - { - FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_OTHER,NULL,params[1],params[2])); - } - else if (*(params[0].c_str()) == '#') - { - chanrec* c = this->Instance->FindChan(params[0]); - if (c) - { - FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2])); - } - } - else if (*(params[0].c_str()) != '#') - { - userrec* u = this->Instance->FindNick(params[0]); - if (u) - { - FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_USER,u,params[1],params[2])); - } - } - } - - params[2] = ":" + params[2]; - Utils->DoOneToAllButSender(prefix,"METADATA",params,prefix); - return true; -} - -bool TreeSocket::ServerVersion(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - - TreeServer* ServerSource = Utils->FindServer(prefix); - - if (ServerSource) - { - ServerSource->SetVersion(params[0]); - } - params[0] = ":" + params[0]; - Utils->DoOneToAllButSender(prefix,"VERSION",params,prefix); - return true; -} - -bool TreeSocket::ChangeHost(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - userrec* u = this->Instance->FindNick(prefix); - - if (u) - { - u->ChangeDisplayedHost(params[0].c_str()); - Utils->DoOneToAllButSender(prefix,"FHOST",params,u->server); - } - return true; -} - -bool TreeSocket::AddLine(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 6) - return true; - bool propogate = false; - if (!this->bursting) - Utils->lines_to_apply = 0; - switch (*(params[0].c_str())) - { - case 'Z': - propogate = Instance->XLines->add_zline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); - Instance->XLines->zline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); - if (propogate) - Utils->lines_to_apply |= APPLY_ZLINES; - break; - case 'Q': - propogate = Instance->XLines->add_qline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); - Instance->XLines->qline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); - if (propogate) - Utils->lines_to_apply |= APPLY_QLINES; - break; - case 'E': - propogate = Instance->XLines->add_eline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); - Instance->XLines->eline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); - break; - case 'G': - propogate = Instance->XLines->add_gline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); - Instance->XLines->gline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); - if (propogate) - Utils->lines_to_apply |= APPLY_GLINES; - break; - case 'K': - propogate = Instance->XLines->add_kline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); - if (propogate) - Utils->lines_to_apply |= APPLY_KLINES; - break; - default: - /* Just in case... */ - this->Instance->SNO->WriteToSnoMask('x',"\2WARNING\2: Invalid xline type '"+params[0]+"' sent by server "+prefix+", ignored!"); - propogate = false; - break; - } - /* Send it on its way */ - if (propogate) - { - if (atoi(params[4].c_str())) - { - time_t c_requires_crap = ConvToInt(params[4]) + Instance->Time(); - this->Instance->SNO->WriteToSnoMask('x',"%s Added %cLINE on %s to expire on %s (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),Instance->TimeString(c_requires_crap).c_str(),params[5].c_str()); - } - else - { - this->Instance->SNO->WriteToSnoMask('x',"%s Added permenant %cLINE on %s (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),params[5].c_str()); - } - params[5] = ":" + params[5]; - Utils->DoOneToAllButSender(prefix,"ADDLINE",params,prefix); - } - if (!this->bursting) - { - Instance->XLines->apply_lines(Utils->lines_to_apply); - Utils->lines_to_apply = 0; - } - return true; -} - -bool TreeSocket::ChangeName(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - userrec* u = this->Instance->FindNick(prefix); - if (u) - { - u->ChangeName(params[0].c_str()); - params[0] = ":" + params[0]; - Utils->DoOneToAllButSender(prefix,"FNAME",params,u->server); - } - return true; -} - -bool TreeSocket::Whois(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - userrec* u = this->Instance->FindNick(prefix); - if (u) - { - // an incoming request - if (params.size() == 1) - { - userrec* x = this->Instance->FindNick(params[0]); - if ((x) && (IS_LOCAL(x))) - { - userrec* x = this->Instance->FindNick(params[0]); - char signon[MAXBUF]; - char idle[MAXBUF]; - snprintf(signon, MAXBUF, "%lu", (unsigned long)x->signon); - snprintf(idle, MAXBUF, "%lu", (unsigned long)abs((x->idle_lastmsg) - Instance->Time(true))); - std::deque par; - par.push_back(prefix); - par.push_back(signon); - par.push_back(idle); - // ours, we're done, pass it BACK - Utils->DoOneToOne(params[0], "IDLE", par, u->server); - } - else - { - // not ours pass it on - if (x) - Utils->DoOneToOne(prefix, "IDLE", params, x->server); - } - } - else if (params.size() == 3) - { - std::string who_did_the_whois = params[0]; - userrec* who_to_send_to = this->Instance->FindNick(who_did_the_whois); - if ((who_to_send_to) && (IS_LOCAL(who_to_send_to))) - { - // an incoming reply to a whois we sent out - std::string nick_whoised = prefix; - unsigned long signon = atoi(params[1].c_str()); - unsigned long idle = atoi(params[2].c_str()); - if ((who_to_send_to) && (IS_LOCAL(who_to_send_to))) - { - do_whois(this->Instance, who_to_send_to, u, signon, idle, nick_whoised.c_str()); - } - } - else - { - // not ours, pass it on - if (who_to_send_to) - Utils->DoOneToOne(prefix, "IDLE", params, who_to_send_to->server); - } - } - } - return true; -} - -bool TreeSocket::Push(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 2) - return true; - userrec* u = this->Instance->FindNick(params[0]); - if (!u) - return true; - if (IS_LOCAL(u)) - { - u->Write(params[1]); - } - else - { - // continue the raw onwards - params[1] = ":" + params[1]; - Utils->DoOneToOne(prefix,"PUSH",params,u->server); - } - return true; -} - -bool TreeSocket::HandleSetTime(const std::string &prefix, std::deque ¶ms) -{ - if (!params.size() || !Utils->EnableTimeSync) - return true; - - bool force = false; - - if ((params.size() == 2) && (params[1] == "FORCE")) - force = true; - - time_t them = atoi(params[0].c_str()); - time_t us = Instance->Time(false); - - time_t diff = them - us; - - Utils->DoOneToAllButSender(prefix, "TIMESET", params, prefix); - - if (force || (them != us)) - { - time_t old = Instance->SetTimeDelta(diff); - Instance->Log(DEBUG, "TS (diff %d) from %s applied (old delta was %d)", diff, prefix.c_str(), old); - } - - return true; -} - -bool TreeSocket::Time(const std::string &prefix, std::deque ¶ms) -{ - // :source.server TIME remote.server sendernick - // :remote.server TIME source.server sendernick TS - if (params.size() == 2) - { - // someone querying our time? - if (this->Instance->Config->ServerName == params[0]) - { - userrec* u = this->Instance->FindNick(params[1]); - if (u) - { - params.push_back(ConvToStr(Instance->Time(false))); - params[0] = prefix; - Utils->DoOneToOne(this->Instance->Config->ServerName,"TIME",params,params[0]); - } - } - else - { - // not us, pass it on - userrec* u = this->Instance->FindNick(params[1]); - if (u) - Utils->DoOneToOne(prefix,"TIME",params,params[0]); - } - } - else if (params.size() == 3) - { - // a response to a previous TIME - userrec* u = this->Instance->FindNick(params[1]); - if ((u) && (IS_LOCAL(u))) - { - time_t rawtime = atol(params[2].c_str()); - struct tm * timeinfo; - timeinfo = localtime(&rawtime); - char tms[26]; - snprintf(tms,26,"%s",asctime(timeinfo)); - tms[24] = 0; - u->WriteServ("391 %s %s :%s",u->nick,prefix.c_str(),tms); - } - else - { - if (u) - Utils->DoOneToOne(prefix,"TIME",params,u->server); - } - } - return true; -} - -bool TreeSocket::LocalPing(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - if (params.size() == 1) - { - std::string stufftobounce = params[0]; - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" PONG "+stufftobounce); - return true; - } - else - { - std::string forwardto = params[1]; - if (forwardto == this->Instance->Config->ServerName) - { - // this is a ping for us, send back PONG to the requesting server - params[1] = params[0]; - params[0] = forwardto; - Utils->DoOneToOne(forwardto,"PONG",params,params[1]); - } - else - { - // not for us, pass it on :) - Utils->DoOneToOne(prefix,"PING",params,forwardto); - } - return true; - } -} - -/** TODO: This creates a total mess of output and needs to really use irc::modestacker. - */ -bool TreeSocket::RemoveStatus(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 1) - return true; - chanrec* c = Instance->FindChan(params[0]); - if (c) - { - for (char modeletter = 'A'; modeletter <= 'z'; modeletter++) - { - ModeHandler* mh = Instance->Modes->FindMode(modeletter, MODETYPE_CHANNEL); - if (mh) - mh->RemoveMode(c); - } - } - return true; -} - -bool TreeSocket::RemoteServer(const std::string &prefix, std::deque ¶ms) -{ - if (params.size() < 4) - return false; - std::string servername = params[0]; - std::string password = params[1]; - // hopcount is not used for a remote server, we calculate this ourselves - std::string description = params[3]; - TreeServer* ParentOfThis = Utils->FindServer(prefix); - if (!ParentOfThis) - { - this->SendError("Protocol error - Introduced remote server from unknown server "+prefix); - return false; - } - TreeServer* CheckDupe = Utils->FindServer(servername); - if (CheckDupe) - { - this->SendError("Server "+servername+" already exists!"); - this->Instance->SNO->WriteToSnoMask('l',"Server \2"+servername+"\2 being introduced from \2" + prefix + "\2 denied, already exists. Closing link with " + prefix); - return false; - } - Link* lnk = Utils->FindLink(servername); - TreeServer* Node = new TreeServer(this->Utils,this->Instance,servername,description,ParentOfThis,NULL, lnk ? lnk->Hidden : false); - ParentOfThis->AddChild(Node); - params[3] = ":" + params[3]; - Utils->SetRemoteBursting(Node, true); - Utils->DoOneToAllButSender(prefix,"SERVER",params,prefix); - this->Instance->SNO->WriteToSnoMask('l',"Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")"); - return true; -} - -bool TreeSocket::ComparePass(const std::string &ours, const std::string &theirs) -{ - if ((!strncmp(ours.c_str(), "HMAC-SHA256:", 12)) || (!strncmp(theirs.c_str(), "HMAC-SHA256:", 12))) - { - /* One or both of us specified hmac sha256, but we don't have sha256 module loaded! - * We can't allow this password as valid. - */ - if (!Instance->FindModule("m_sha256.so") || !Utils->ChallengeResponse) - return false; - else - /* Straight string compare of hashes */ - return ours == theirs; - } - else - /* Straight string compare of plaintext */ - return ours == theirs; -} - -bool TreeSocket::Outbound_Reply_Server(std::deque ¶ms) -{ - if (params.size() < 4) - return false; - - irc::string servername = params[0].c_str(); - std::string sname = params[0]; - std::string password = params[1]; - std::string description = params[3]; - int hops = atoi(params[2].c_str()); - - this->InboundServerName = sname; - this->InboundDescription = description; - - if (!sentcapab) - this->SendCapabilities(); - - if (hops) - { - this->SendError("Server too far away for authentication"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication"); - return false; - } - - for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) - { - if ((x->Name == servername) && ((ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password)) || (x->RecvPass == password && (this->GetTheirChallenge().empty())))) - { - TreeServer* CheckDupe = Utils->FindServer(sname); - if (CheckDupe) - { - this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName()); - return false; - } - // Begin the sync here. this kickstarts the - // other side, waiting in WAIT_AUTH_2 state, - // into starting their burst, as it shows - // that we're happy. - this->LinkState = CONNECTED; - // we should add the details of this server now - // to the servers tree, as a child of the root - // node. - TreeServer* Node = new TreeServer(this->Utils,this->Instance,sname,description,Utils->TreeRoot,this,x->Hidden); - Utils->TreeRoot->AddChild(Node); - params[3] = ":" + params[3]; - Utils->DoOneToAllButSender(Utils->TreeRoot->GetName(),"SERVER",params,sname); - this->bursting = true; - this->DoBurst(Node); - return true; - } - } - this->SendError("Invalid credentials"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials"); - return false; -} - -bool TreeSocket::Inbound_Server(std::deque ¶ms) -{ - if (params.size() < 4) - return false; - irc::string servername = params[0].c_str(); - std::string sname = params[0]; - std::string password = params[1]; - std::string description = params[3]; - int hops = atoi(params[2].c_str()); - - this->InboundServerName = sname; - this->InboundDescription = description; - - if (!sentcapab) - this->SendCapabilities(); - - if (hops) - { - this->SendError("Server too far away for authentication"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication"); - return false; - } - - for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) - { - if ((x->Name == servername) && ((ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password) || x->RecvPass == password && (this->GetTheirChallenge().empty())))) - { - /* First check for instances of the server that are waiting between the inbound and outbound SERVER command */ - TreeSocket* CheckDupeSocket = Utils->FindBurstingServer(sname); - if (CheckDupeSocket) - { - /* If we find one, we abort the link to prevent a race condition */ - this->SendError("Negotiation collision"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists in a negotiating state."); - CheckDupeSocket->SendError("Negotiation collision"); - Instance->SE->DelFd(CheckDupeSocket); - CheckDupeSocket->Close(); - delete CheckDupeSocket; - return false; - } - /* Now check for fully initialized instances of the server */ - TreeServer* CheckDupe = Utils->FindServer(sname); - if (CheckDupe) - { - this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName()); - return false; - } - this->Instance->SNO->WriteToSnoMask('l',"Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "" : this->GetIP())+"] ("+description+")"); - if (this->Hook) - { - std::string name = InspSocketNameRequest((Module*)Utils->Creator, this->Hook).Send(); - this->Instance->SNO->WriteToSnoMask('l',"Connection from \2"+sname+"\2["+(x->HiddenFromStats ? "" : this->GetIP())+"] using transport \2"+name+"\2"); - } - - Utils->AddBurstingServer(sname,this); - - // this is good. Send our details: Our server name and description and hopcount of 0, - // along with the sendpass from this block. - this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+this->MakePass(x->SendPass, this->GetTheirChallenge())+" 0 :"+this->Instance->Config->ServerDesc); - // move to the next state, we are now waiting for THEM. - this->LinkState = WAIT_AUTH_2; - return true; - } - } - this->SendError("Invalid credentials"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials"); - return false; -} - -void TreeSocket::Split(const std::string &line, std::deque &n) -{ - n.clear(); - irc::tokenstream tokens(line); - std::string param; - while (tokens.GetToken(param)) - { - if (!param.empty()) - n.push_back(param); - } - return; -} - -bool TreeSocket::ProcessLine(std::string &line) -{ - std::deque params; - irc::string command; - std::string prefix; - - line = line.substr(0, line.find_first_of("\r\n")); - - if (line.empty()) - return true; - - Instance->Log(DEBUG, "S[%d] <- %s", this->GetFd(), line.c_str()); - - this->Split(line.c_str(),params); - - if (params.empty()) - return true; - - if ((params[0][0] == ':') && (params.size() > 1)) - { - prefix = params[0].substr(1); - params.pop_front(); - } - command = params[0].c_str(); - params.pop_front(); - switch (this->LinkState) - { - TreeServer* Node; - - case WAIT_AUTH_1: - // Waiting for SERVER command from remote server. Server initiating - // the connection sends the first SERVER command, listening server - // replies with theirs if its happy, then if the initiator is happy, - // it starts to send its net sync, which starts the merge, otherwise - // it sends an ERROR. - if (command == "PASS") - { - /* Silently ignored */ - } - else if (command == "SERVER") - { - return this->Inbound_Server(params); - } - else if (command == "ERROR") - { - return this->Error(params); - } - else if (command == "USER") - { - this->SendError("Client connections to this port are prohibited."); - return false; - } - else if (command == "CAPAB") - { - return this->Capab(params); - } - else if ((command == "U") || (command == "S")) - { - this->SendError("Cannot use the old-style mesh linking protocol with m_spanningtree.so!"); - return false; - } - else - { - irc::string error = "Invalid command in negotiation phase: " + command; - this->SendError(assign(error)); - return false; - } - break; - case WAIT_AUTH_2: - // Waiting for start of other side's netmerge to say they liked our - // password. - if (command == "SERVER") - { - // cant do this, they sent it to us in the WAIT_AUTH_1 state! - // silently ignore. - return true; - } - else if ((command == "U") || (command == "S")) - { - this->SendError("Cannot use the old-style mesh linking protocol with m_spanningtree.so!"); - return false; - } - else if (command == "BURST") - { - if (params.size() && Utils->EnableTimeSync) - { - bool we_have_delta = (Instance->Time(false) != Instance->Time(true)); - time_t them = atoi(params[0].c_str()); - time_t delta = them - Instance->Time(false); - if ((delta < -300) || (delta > 300)) - { - Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than five minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta)); - SendError("Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than five minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!"); - return false; - } - else if ((delta < -30) || (delta > 30)) - { - Instance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds. Please consider synching your clocks.", abs(delta)); - } - - if (!Utils->MasterTime && !we_have_delta) - { - this->Instance->SetTimeDelta(delta); - // Send this new timestamp to any other servers - Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params); - } - } - this->LinkState = CONNECTED; - Link* lnk = Utils->FindLink(InboundServerName); - Node = new TreeServer(this->Utils,this->Instance, InboundServerName, InboundDescription, Utils->TreeRoot, this, lnk ? lnk->Hidden : false); - Utils->DelBurstingServer(this); - Utils->TreeRoot->AddChild(Node); - params.clear(); - params.push_back(InboundServerName); - params.push_back("*"); - params.push_back("1"); - params.push_back(":"+InboundDescription); - Utils->DoOneToAllButSender(Utils->TreeRoot->GetName(),"SERVER",params,InboundServerName); - this->bursting = true; - this->DoBurst(Node); - } - else if (command == "ERROR") - { - return this->Error(params); - } - else if (command == "CAPAB") - { - return this->Capab(params); - } - - break; - case LISTENER: - this->SendError("Internal error -- listening socket accepted its own descriptor!!!"); - return false; - break; - case CONNECTING: - if (command == "SERVER") - { - // another server we connected to, which was in WAIT_AUTH_1 state, - // has just sent us their credentials. If we get this far, theyre - // happy with OUR credentials, and they are now in WAIT_AUTH_2 state. - // if we're happy with this, we should send our netburst which - // kickstarts the merge. - return this->Outbound_Reply_Server(params); - } - else if (command == "ERROR") - { - return this->Error(params); - } - else if (command == "CAPAB") - { - return this->Capab(params); - } - break; - case CONNECTED: - // This is the 'authenticated' state, when all passwords - // have been exchanged and anything past this point is taken - // as gospel. - - if (!prefix.empty()) - { - std::string direction = prefix; - userrec* t = this->Instance->FindNick(prefix); - if (t) - { - direction = t->server; - } - TreeServer* route_back_again = Utils->BestRouteTo(direction); - if ((!route_back_again) || (route_back_again->GetSocket() != this)) - { - if (route_back_again) - Instance->Log(DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str()); - return true; - } - /* Fix by brain: - * When there is activity on the socket, reset the ping counter so - * that we're not wasting bandwidth pinging an active server. - */ - route_back_again->SetNextPingTime(time(NULL) + 60); - route_back_again->SetPingFlag(); - } - else - { - prefix = this->GetName(); - } - - if ((command == "MODE") && (params.size() >= 2)) - { - chanrec* channel = Instance->FindChan(params[0]); - if (channel) - { - userrec* x = Instance->FindNick(prefix); - if (x) - { - if (warned.find(x->server) == warned.end()) - { - Instance->Log(DEFAULT,"WARNING: I revceived modes '%s' from another server '%s'. This is not compliant with InspIRCd. Please check that server for bugs.", params[1].c_str(), x->server); - Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending nonstandard modes: '%s MODE %s' where FMODE should be used, and may cause desyncs.", x->server, x->nick, params[1].c_str()); - warned[x->server] = x->nick; - } - } - } - } - - if (command == "SVSMODE") - { - /* Services expects us to implement - * SVSMODE. In inspircd its the same as - * MODE anyway. - */ - command = "MODE"; - } - std::string target; - /* Yes, know, this is a mess. Its reasonably fast though as we're - * working with std::string here. - */ - if ((command == "NICK") && (params.size() >= 8)) - { - return this->IntroduceClient(prefix,params); - } - else if (command == "FJOIN") - { - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - Utils->SetRemoteBursting(ServerSource, false); - return this->ForceJoin(prefix,params); - } - else if (command == "STATS") - { - return this->Stats(prefix, params); - } - else if (command == "MOTD") - { - return this->Motd(prefix, params); - } - else if (command == "KILL" && Utils->IsServer(prefix)) - { - return this->RemoteKill(prefix,params); - } - else if (command == "MODULES") - { - return this->Modules(prefix, params); - } - else if (command == "ADMIN") - { - return this->Admin(prefix, params); - } - else if (command == "SERVER") - { - return this->RemoteServer(prefix,params); - } - else if (command == "ERROR") - { - return this->Error(params); - } - else if (command == "OPERTYPE") - { - return this->OperType(prefix,params); - } - else if (command == "FMODE") - { - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - Utils->SetRemoteBursting(ServerSource, false); - return this->ForceMode(prefix,params); - } - else if (command == "FTOPIC") - { - return this->ForceTopic(prefix,params); - } - else if (command == "REHASH") - { - return this->RemoteRehash(prefix,params); - } - else if (command == "METADATA") - { - return this->MetaData(prefix,params); - } - else if (command == "REMSTATUS") - { - return this->RemoveStatus(prefix,params); - } - else if (command == "PING") - { - if (prefix.empty()) - prefix = this->GetName(); - /* - * We just got a ping from a server that's bursting. - * This can't be right, so set them to not bursting, and - * apply their lines. - */ - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - Utils->SetRemoteBursting(ServerSource, false); - - if (this->bursting) - { - this->bursting = false; - Instance->XLines->apply_lines(Utils->lines_to_apply); - Utils->lines_to_apply = 0; - } - - return this->LocalPing(prefix,params); - } - else if (command == "PONG") - { - if (prefix.empty()) - prefix = this->GetName(); - /* - * We just got a pong from a server that's bursting. - * This can't be right, so set them to not bursting, and - * apply their lines. - */ - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - Utils->SetRemoteBursting(ServerSource, false); - - if (this->bursting) - { - this->bursting = false; - Instance->XLines->apply_lines(Utils->lines_to_apply); - Utils->lines_to_apply = 0; - } - - return this->LocalPong(prefix,params); - } - else if (command == "VERSION") - { - return this->ServerVersion(prefix,params); - } - else if (command == "FHOST") - { - return this->ChangeHost(prefix,params); - } - else if (command == "FNAME") - { - return this->ChangeName(prefix,params); - } - else if (command == "ADDLINE") - { - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - Utils->SetRemoteBursting(ServerSource, false); - return this->AddLine(prefix,params); - } - else if (command == "SVSNICK") - { - if (prefix.empty()) - { - prefix = this->GetName(); - } - return this->ForceNick(prefix,params); - } - else if (command == "OPERQUIT") - { - return this->OperQuit(prefix,params); - } - else if (command == "IDLE") - { - return this->Whois(prefix,params); - } - else if (command == "PUSH") - { - return this->Push(prefix,params); - } - else if (command == "TIMESET") - { - return this->HandleSetTime(prefix, params); - } - else if (command == "TIME") - { - return this->Time(prefix,params); - } - else if ((command == "KICK") && (Utils->IsServer(prefix))) - { - std::string sourceserv = this->myhost; - if (params.size() == 3) - { - userrec* user = this->Instance->FindNick(params[1]); - chanrec* chan = this->Instance->FindChan(params[0]); - if (user && chan) - { - if (!chan->ServerKickUser(user, params[2].c_str(), false)) - /* Yikes, the channels gone! */ - delete chan; - } - } - if (!this->InboundServerName.empty()) - { - sourceserv = this->InboundServerName; - } - return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); - } - else if (command == "SVSJOIN") - { - if (prefix.empty()) - { - prefix = this->GetName(); - } - return this->ServiceJoin(prefix,params); - } - else if (command == "SQUIT") - { - if (params.size() == 2) - { - this->Squit(Utils->FindServer(params[0]),params[1]); - } - return true; - } - else if (command == "OPERNOTICE") - { - std::string sourceserv = this->myhost; - if (!this->InboundServerName.empty()) - sourceserv = this->InboundServerName; - if (params.size() >= 1) - Instance->WriteOpers("*** From " + sourceserv + ": " + params[0]); - return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params); - } - else if (command == "MODENOTICE") - { - std::string sourceserv = this->myhost; - if (!this->InboundServerName.empty()) - sourceserv = this->InboundServerName; - if (params.size() >= 2) - { - Instance->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", sourceserv.c_str(), params[1].c_str()); - } - return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params); - } - else if (command == "SNONOTICE") - { - std::string sourceserv = this->myhost; - if (!this->InboundServerName.empty()) - sourceserv = this->InboundServerName; - if (params.size() >= 2) - { - Instance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + sourceserv + ": "+ params[1]); - } - return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params); - } - else if (command == "ENDBURST") - { - this->bursting = false; - Instance->XLines->apply_lines(Utils->lines_to_apply); - Utils->lines_to_apply = 0; - std::string sourceserv = this->myhost; - if (!this->InboundServerName.empty()) - sourceserv = this->InboundServerName; - this->Instance->SNO->WriteToSnoMask('l',"Received end of netburst from \2%s\2",sourceserv.c_str()); - - Event rmode((char*)sourceserv.c_str(), (Module*)Utils->Creator, "new_server"); - rmode.Send(Instance); - - return true; - } - else - { - // not a special inter-server command. - // Emulate the actual user doing the command, - // this saves us having a huge ugly parser. - userrec* who = this->Instance->FindNick(prefix); - std::string sourceserv = this->myhost; - if (!this->InboundServerName.empty()) - { - sourceserv = this->InboundServerName; - } - if ((!who) && (command == "MODE")) - { - if (Utils->IsServer(prefix)) - { - const char* modelist[127]; - for (size_t i = 0; i < params.size(); i++) - modelist[i] = params[i].c_str(); - userrec* fake = new userrec(Instance); - fake->SetFd(FD_MAGIC_NUMBER); - this->Instance->SendMode(modelist, params.size(), fake); - - delete fake; - /* Hot potato! pass it on! */ - return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); - } - } - if (who) - { - if ((command == "NICK") && (params.size() > 0)) - { - /* On nick messages, check that the nick doesnt - * already exist here. If it does, kill their copy, - * and our copy. - */ - userrec* x = this->Instance->FindNick(params[0]); - if ((x) && (x != who)) - { - std::deque p; - p.push_back(params[0]); - p.push_back("Nickname collision ("+prefix+" -> "+params[0]+")"); - Utils->DoOneToMany(this->Instance->Config->ServerName,"KILL",p); - p.clear(); - p.push_back(prefix); - p.push_back("Nickname collision"); - Utils->DoOneToMany(this->Instance->Config->ServerName,"KILL",p); - userrec::QuitUser(this->Instance,x,"Nickname collision ("+prefix+" -> "+params[0]+")"); - userrec* y = this->Instance->FindNick(prefix); - if (y) - { - userrec::QuitUser(this->Instance,y,"Nickname collision"); - } - return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); - } - } - // its a user - target = who->server; - const char* strparams[127]; - for (unsigned int q = 0; q < params.size(); q++) - { - strparams[q] = params[q].c_str(); - } - switch (this->Instance->CallCommandHandler(command.c_str(), strparams, params.size(), who)) - { - case CMD_INVALID: - this->SendError("Unrecognised command '"+std::string(command.c_str())+"' -- possibly loaded mismatched modules"); - return false; - break; - case CMD_FAILURE: - return true; - break; - default: - /* CMD_SUCCESS and CMD_USER_DELETED fall through here */ - break; - } - } - else - { - // its not a user. Its either a server, or somethings screwed up. - if (Utils->IsServer(prefix)) - target = this->Instance->Config->ServerName; - else - return true; - } - return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); - - } - return true; - break; - } - return true; -} - -std::string TreeSocket::GetName() -{ - std::string sourceserv = this->myhost; - if (!this->InboundServerName.empty()) - { - sourceserv = this->InboundServerName; - } - return sourceserv; -} - -void TreeSocket::OnTimeout() -{ - if (this->LinkState == CONNECTING) - { - this->Instance->SNO->WriteToSnoMask('l',"CONNECT: Connection to \002"+myhost+"\002 timed out."); - Link* MyLink = Utils->FindLink(myhost); - if (MyLink) - Utils->DoFailOver(MyLink); - } -} - -void TreeSocket::OnClose() -{ - // Connection closed. - // If the connection is fully up (state CONNECTED) - // then propogate a netsplit to all peers. - std::string quitserver = this->myhost; - if (!this->InboundServerName.empty()) - { - quitserver = this->InboundServerName; - } - TreeServer* s = Utils->FindServer(quitserver); - if (s) - { - Squit(s,"Remote host closed the connection"); - } - - if (!quitserver.empty()) - { - this->Instance->SNO->WriteToSnoMask('l',"Connection to '\2%s\2' failed.",quitserver.c_str()); - time_t server_uptime = Instance->Time() - this->age; - if (server_uptime) - Instance->SNO->WriteToSnoMask('l',"Connection to '\2%s\2' was established for %s", quitserver.c_str(), Utils->Creator->TimeToStr(server_uptime).c_str()); - } -} - -int TreeSocket::OnIncomingConnection(int newsock, char* ip) -{ - /* To prevent anyone from attempting to flood opers/DDoS by connecting to the server port, - * or discovering if this port is the server port, we don't allow connections from any - * IPs for which we don't have a link block. - */ - bool found = false; - - found = (std::find(Utils->ValidIPs.begin(), Utils->ValidIPs.end(), ip) != Utils->ValidIPs.end()); - if (!found) - { - for (vector::iterator i = Utils->ValidIPs.begin(); i != Utils->ValidIPs.end(); i++) - if (irc::sockets::MatchCIDR(ip, (*i).c_str())) - found = true; - - if (!found) - { - this->Instance->SNO->WriteToSnoMask('l',"Server connection from %s denied (no link blocks with that IP address)", ip); - close(newsock); - return false; - } - } - - TreeSocket* s = new TreeSocket(this->Utils, this->Instance, newsock, ip, this->Hook); - s = s; /* Whinge whinge whinge, thats all GCC ever does. */ - return true; -} +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "socketengine.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" #include "m_spanningtree/resolvers.h" #include "m_spanningtree/handshaketimer.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ static std::map warned; /* Server names that have had protocol violation warnings displayed for them */ int TreeSocket::WriteLine(std::string line) { Instance->Log(DEBUG, "S[%d] -> %s", this->GetFd(), line.c_str()); line.append("\r\n"); return this->Write(line); } /* Handle ERROR command */ bool TreeSocket::Error(std::deque ¶ms) { if (params.size() < 1) return false; this->Instance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(!InboundServerName.empty() ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str()); /* we will return false to cause the socket to close. */ return false; } bool TreeSocket::Modules(const std::string &prefix, std::deque ¶ms) { if (params.empty()) return true; if (!this->Instance->MatchText(this->Instance->Config->ServerName, params[0])) { /* Pass it on, not for us */ Utils->DoOneToOne(prefix, "MODULES", params, params[0]); return true; } char strbuf[MAXBUF]; std::deque par; par.push_back(prefix); par.push_back(""); userrec* source = this->Instance->FindNick(prefix); if (!source) return true; for (unsigned int i = 0; i < Instance->Config->module_names.size(); i++) { Version V = Instance->modules[i]->GetVersion(); char modulename[MAXBUF]; char flagstate[MAXBUF]; *flagstate = 0; if (V.Flags & VF_STATIC) strlcat(flagstate,", static",MAXBUF); if (V.Flags & VF_VENDOR) strlcat(flagstate,", vendor",MAXBUF); if (V.Flags & VF_COMMON) strlcat(flagstate,", common",MAXBUF); if (V.Flags & VF_SERVICEPROVIDER) strlcat(flagstate,", service provider",MAXBUF); if (!flagstate[0]) strcpy(flagstate," "); strlcpy(modulename,Instance->Config->module_names[i].c_str(),256); if (*source->oper) { snprintf(strbuf, MAXBUF, "::%s 900 %s :0x%08lx %d.%d.%d.%d %s (%s)",Instance->Config->ServerName,source->nick,(long unsigned int)Instance->modules[i],V.Major,V.Minor,V.Revision,V.Build,ServerConfig::CleanFilename(modulename),flagstate+2); } else { snprintf(strbuf, MAXBUF, "::%s 900 %s :%s",Instance->Config->ServerName,source->nick,ServerConfig::CleanFilename(modulename)); } par[1] = strbuf; Utils->DoOneToOne(Instance->Config->ServerName, "PUSH", par, source->server); } snprintf(strbuf, MAXBUF, "::%s 901 %s :End of MODULES list", Instance->Config->ServerName, source->nick); par[1] = strbuf; Utils->DoOneToOne(Instance->Config->ServerName, "PUSH", par, source->server); return true; } /** remote MOTD. leet, huh? */ bool TreeSocket::Motd(const std::string &prefix, std::deque ¶ms) { if (params.size() > 0) { if (this->Instance->MatchText(this->Instance->Config->ServerName, params[0])) { /* It's for our server */ string_list results; userrec* source = this->Instance->FindNick(prefix); if (source) { std::deque par; par.push_back(prefix); par.push_back(""); if (!Instance->Config->MOTD.size()) { par[1] = std::string("::")+Instance->Config->ServerName+" 422 "+source->nick+" :Message of the day file is missing."; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); return true; } par[1] = std::string("::")+Instance->Config->ServerName+" 375 "+source->nick+" :"+Instance->Config->ServerName+" message of the day"; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); for (unsigned int i = 0; i < Instance->Config->MOTD.size(); i++) { par[1] = std::string("::")+Instance->Config->ServerName+" 372 "+source->nick+" :- "+Instance->Config->MOTD[i]; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); } par[1] = std::string("::")+Instance->Config->ServerName+" 376 "+source->nick+" End of message of the day."; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); } } else { /* Pass it on */ userrec* source = this->Instance->FindNick(prefix); if (source) Utils->DoOneToOne(prefix, "MOTD", params, params[0]); } } return true; } /** remote ADMIN. leet, huh? */ bool TreeSocket::Admin(const std::string &prefix, std::deque ¶ms) { if (params.size() > 0) { if (this->Instance->MatchText(this->Instance->Config->ServerName, params[0])) { /* It's for our server */ string_list results; userrec* source = this->Instance->FindNick(prefix); if (source) { std::deque par; par.push_back(prefix); par.push_back(""); par[1] = std::string("::")+Instance->Config->ServerName+" 256 "+source->nick+" :Administrative info for "+Instance->Config->ServerName; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); par[1] = std::string("::")+Instance->Config->ServerName+" 257 "+source->nick+" :Name - "+Instance->Config->AdminName; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); par[1] = std::string("::")+Instance->Config->ServerName+" 258 "+source->nick+" :Nickname - "+Instance->Config->AdminNick; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); par[1] = std::string("::")+Instance->Config->ServerName+" 258 "+source->nick+" :E-Mail - "+Instance->Config->AdminEmail; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); } } else { /* Pass it on */ userrec* source = this->Instance->FindNick(prefix); if (source) Utils->DoOneToOne(prefix, "ADMIN", params, params[0]); } } return true; } bool TreeSocket::Stats(const std::string &prefix, std::deque ¶ms) { /* Get the reply to a STATS query if it matches this servername, * and send it back as a load of PUSH queries */ if (params.size() > 1) { if (this->Instance->MatchText(this->Instance->Config->ServerName, params[1])) { /* It's for our server */ string_list results; userrec* source = this->Instance->FindNick(prefix); if (source) { std::deque par; par.push_back(prefix); par.push_back(""); DoStats(this->Instance, *(params[0].c_str()), source, results); for (size_t i = 0; i < results.size(); i++) { par[1] = "::" + results[i]; Utils->DoOneToOne(this->Instance->Config->ServerName, "PUSH",par, source->server); } } } else { /* Pass it on */ userrec* source = this->Instance->FindNick(prefix); if (source) Utils->DoOneToOne(prefix, "STATS", params, params[1]); } } return true; } /** Because the core won't let users or even SERVERS set +o, * we use the OPERTYPE command to do this. */ bool TreeSocket::OperType(const std::string &prefix, std::deque ¶ms) { if (params.size() != 1) return true; std::string opertype = params[0]; userrec* u = this->Instance->FindNick(prefix); if (u) { u->modes[UM_OPERATOR] = 1; this->Instance->all_opers.push_back(u); strlcpy(u->oper,opertype.c_str(),NICKMAX-1); Utils->DoOneToAllButSender(u->nick,"OPERTYPE",params,u->server); this->Instance->SNO->WriteToSnoMask('o',"From %s: User %s (%s@%s) is now an IRC operator of type %s",u->server, u->nick,u->ident,u->host,irc::Spacify(opertype.c_str())); } return true; } /** Because Andy insists that services-compatible servers must * implement SVSNICK and SVSJOIN, that's exactly what we do :p */ bool TreeSocket::ForceNick(const std::string &prefix, std::deque ¶ms) { if (params.size() < 3) return true; userrec* u = this->Instance->FindNick(params[0]); if (u) { Utils->DoOneToAllButSender(prefix,"SVSNICK",params,prefix); if (IS_LOCAL(u)) { std::deque par; par.push_back(params[1]); if (!u->ForceNickChange(params[1].c_str())) { userrec::QuitUser(this->Instance, u, "Nickname collision"); return true; } u->age = atoi(params[2].c_str()); } } return true; } bool TreeSocket::OperQuit(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; userrec* u = this->Instance->FindNick(prefix); if (u) { u->SetOperQuit(params[0]); params[0] = ":" + params[0]; Utils->DoOneToAllButSender(prefix,"OPERQUIT",params,prefix); } return true; } bool TreeSocket::ServiceJoin(const std::string &prefix, std::deque ¶ms) { if (params.size() < 2) return true; userrec* u = this->Instance->FindNick(params[0]); if (u) { /* only join if it's local, otherwise just pass it on! */ if (IS_LOCAL(u)) chanrec::JoinUser(this->Instance, u, params[1].c_str(), false, "", Instance->Time()); Utils->DoOneToAllButSender(prefix,"SVSJOIN",params,prefix); } return true; } bool TreeSocket::RemoteRehash(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return false; std::string servermask = params[0]; if (this->Instance->MatchText(this->Instance->Config->ServerName,servermask)) { this->Instance->SNO->WriteToSnoMask('l',"Remote rehash initiated by \002"+prefix+"\002."); this->Instance->RehashServer(); Utils->ReadConfiguration(false); InitializeDisabledCommands(Instance->Config->DisabledCommands, Instance); } Utils->DoOneToAllButSender(prefix,"REHASH",params,prefix); return true; } bool TreeSocket::RemoteKill(const std::string &prefix, std::deque ¶ms) { if (params.size() != 2) return true; userrec* who = this->Instance->FindNick(params[0]); if (who) { /* Prepend kill source, if we don't have one */ if (*(params[1].c_str()) != '[') { params[1] = "[" + prefix + "] Killed (" + params[1] +")"; } std::string reason = params[1]; params[1] = ":" + params[1]; Utils->DoOneToAllButSender(prefix,"KILL",params,prefix); // NOTE: This is safe with kill hiding on, as RemoteKill is only reached if we have a server prefix. // in short this is not executed for USERS. who->Write(":%s KILL %s :%s (%s)", prefix.c_str(), who->nick, prefix.c_str(), reason.c_str()); userrec::QuitUser(this->Instance,who,reason); } return true; } bool TreeSocket::LocalPong(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; if (params.size() == 1) { TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) { ServerSource->SetPingFlag(); ServerSource->rtt = Instance->Time() - ServerSource->LastPing; } } else { std::string forwardto = params[1]; if (forwardto == this->Instance->Config->ServerName) { /* * this is a PONG for us * if the prefix is a user, check theyre local, and if they are, * dump the PONG reply back to their fd. If its a server, do nowt. * Services might want to send these s->s, but we dont need to yet. */ userrec* u = this->Instance->FindNick(prefix); if (u) { u->WriteServ("PONG %s %s",params[0].c_str(),params[1].c_str()); } } else { // not for us, pass it on :) Utils->DoOneToOne(prefix,"PONG",params,forwardto); } } return true; } bool TreeSocket::MetaData(const std::string &prefix, std::deque ¶ms) { if (params.size() < 2) return true; else if (params.size() < 3) params.push_back(""); TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) { Utils->SetRemoteBursting(ServerSource, false); if (params[0] == "*") { FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_OTHER,NULL,params[1],params[2])); } else if (*(params[0].c_str()) == '#') { chanrec* c = this->Instance->FindChan(params[0]); if (c) { FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_CHANNEL,c,params[1],params[2])); } } else if (*(params[0].c_str()) != '#') { userrec* u = this->Instance->FindNick(params[0]); if (u) { FOREACH_MOD_I(this->Instance,I_OnDecodeMetaData,OnDecodeMetaData(TYPE_USER,u,params[1],params[2])); } } } params[2] = ":" + params[2]; Utils->DoOneToAllButSender(prefix,"METADATA",params,prefix); return true; } bool TreeSocket::ServerVersion(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) { ServerSource->SetVersion(params[0]); } params[0] = ":" + params[0]; Utils->DoOneToAllButSender(prefix,"VERSION",params,prefix); return true; } bool TreeSocket::ChangeHost(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; userrec* u = this->Instance->FindNick(prefix); if (u) { u->ChangeDisplayedHost(params[0].c_str()); Utils->DoOneToAllButSender(prefix,"FHOST",params,u->server); } return true; } bool TreeSocket::AddLine(const std::string &prefix, std::deque ¶ms) { if (params.size() < 6) return true; bool propogate = false; if (!this->bursting) Utils->lines_to_apply = 0; switch (*(params[0].c_str())) { case 'Z': propogate = Instance->XLines->add_zline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); Instance->XLines->zline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); if (propogate) Utils->lines_to_apply |= APPLY_ZLINES; break; case 'Q': propogate = Instance->XLines->add_qline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); Instance->XLines->qline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); if (propogate) Utils->lines_to_apply |= APPLY_QLINES; break; case 'E': propogate = Instance->XLines->add_eline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); Instance->XLines->eline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); break; case 'G': propogate = Instance->XLines->add_gline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); Instance->XLines->gline_set_creation_time(params[1].c_str(), atoi(params[3].c_str())); if (propogate) Utils->lines_to_apply |= APPLY_GLINES; break; case 'K': propogate = Instance->XLines->add_kline(atoi(params[4].c_str()), params[2].c_str(), params[5].c_str(), params[1].c_str()); if (propogate) Utils->lines_to_apply |= APPLY_KLINES; break; default: /* Just in case... */ this->Instance->SNO->WriteToSnoMask('x',"\2WARNING\2: Invalid xline type '"+params[0]+"' sent by server "+prefix+", ignored!"); propogate = false; break; } /* Send it on its way */ if (propogate) { if (atoi(params[4].c_str())) { time_t c_requires_crap = ConvToInt(params[4]) + Instance->Time(); this->Instance->SNO->WriteToSnoMask('x',"%s Added %cLINE on %s to expire on %s (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),Instance->TimeString(c_requires_crap).c_str(),params[5].c_str()); } else { this->Instance->SNO->WriteToSnoMask('x',"%s Added permenant %cLINE on %s (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),params[5].c_str()); } params[5] = ":" + params[5]; Utils->DoOneToAllButSender(prefix,"ADDLINE",params,prefix); } if (!this->bursting) { Instance->XLines->apply_lines(Utils->lines_to_apply); Utils->lines_to_apply = 0; } return true; } bool TreeSocket::ChangeName(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; userrec* u = this->Instance->FindNick(prefix); if (u) { u->ChangeName(params[0].c_str()); params[0] = ":" + params[0]; Utils->DoOneToAllButSender(prefix,"FNAME",params,u->server); } return true; } bool TreeSocket::Whois(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; userrec* u = this->Instance->FindNick(prefix); if (u) { // an incoming request if (params.size() == 1) { userrec* x = this->Instance->FindNick(params[0]); if ((x) && (IS_LOCAL(x))) { userrec* x = this->Instance->FindNick(params[0]); char signon[MAXBUF]; char idle[MAXBUF]; snprintf(signon, MAXBUF, "%lu", (unsigned long)x->signon); snprintf(idle, MAXBUF, "%lu", (unsigned long)abs((x->idle_lastmsg) - Instance->Time(true))); std::deque par; par.push_back(prefix); par.push_back(signon); par.push_back(idle); // ours, we're done, pass it BACK Utils->DoOneToOne(params[0], "IDLE", par, u->server); } else { // not ours pass it on if (x) Utils->DoOneToOne(prefix, "IDLE", params, x->server); } } else if (params.size() == 3) { std::string who_did_the_whois = params[0]; userrec* who_to_send_to = this->Instance->FindNick(who_did_the_whois); if ((who_to_send_to) && (IS_LOCAL(who_to_send_to))) { // an incoming reply to a whois we sent out std::string nick_whoised = prefix; unsigned long signon = atoi(params[1].c_str()); unsigned long idle = atoi(params[2].c_str()); if ((who_to_send_to) && (IS_LOCAL(who_to_send_to))) { do_whois(this->Instance, who_to_send_to, u, signon, idle, nick_whoised.c_str()); } } else { // not ours, pass it on if (who_to_send_to) Utils->DoOneToOne(prefix, "IDLE", params, who_to_send_to->server); } } } return true; } bool TreeSocket::Push(const std::string &prefix, std::deque ¶ms) { if (params.size() < 2) return true; userrec* u = this->Instance->FindNick(params[0]); if (!u) return true; if (IS_LOCAL(u)) { u->Write(params[1]); } else { // continue the raw onwards params[1] = ":" + params[1]; Utils->DoOneToOne(prefix,"PUSH",params,u->server); } return true; } bool TreeSocket::HandleSetTime(const std::string &prefix, std::deque ¶ms) { if (!params.size() || !Utils->EnableTimeSync) return true; bool force = false; if ((params.size() == 2) && (params[1] == "FORCE")) force = true; time_t them = atoi(params[0].c_str()); time_t us = Instance->Time(false); time_t diff = them - us; Utils->DoOneToAllButSender(prefix, "TIMESET", params, prefix); if (force || (them != us)) { time_t old = Instance->SetTimeDelta(diff); Instance->Log(DEBUG, "TS (diff %d) from %s applied (old delta was %d)", diff, prefix.c_str(), old); } return true; } bool TreeSocket::Time(const std::string &prefix, std::deque ¶ms) { // :source.server TIME remote.server sendernick // :remote.server TIME source.server sendernick TS if (params.size() == 2) { // someone querying our time? if (this->Instance->Config->ServerName == params[0]) { userrec* u = this->Instance->FindNick(params[1]); if (u) { params.push_back(ConvToStr(Instance->Time(false))); params[0] = prefix; Utils->DoOneToOne(this->Instance->Config->ServerName,"TIME",params,params[0]); } } else { // not us, pass it on userrec* u = this->Instance->FindNick(params[1]); if (u) Utils->DoOneToOne(prefix,"TIME",params,params[0]); } } else if (params.size() == 3) { // a response to a previous TIME userrec* u = this->Instance->FindNick(params[1]); if ((u) && (IS_LOCAL(u))) { time_t rawtime = atol(params[2].c_str()); struct tm * timeinfo; timeinfo = localtime(&rawtime); char tms[26]; snprintf(tms,26,"%s",asctime(timeinfo)); tms[24] = 0; u->WriteServ("391 %s %s :%s",u->nick,prefix.c_str(),tms); } else { if (u) Utils->DoOneToOne(prefix,"TIME",params,u->server); } } return true; } bool TreeSocket::LocalPing(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; if (params.size() == 1) { std::string stufftobounce = params[0]; this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" PONG "+stufftobounce); return true; } else { std::string forwardto = params[1]; if (forwardto == this->Instance->Config->ServerName) { // this is a ping for us, send back PONG to the requesting server params[1] = params[0]; params[0] = forwardto; Utils->DoOneToOne(forwardto,"PONG",params,params[1]); } else { // not for us, pass it on :) Utils->DoOneToOne(prefix,"PING",params,forwardto); } return true; } } /** TODO: This creates a total mess of output and needs to really use irc::modestacker. */ bool TreeSocket::RemoveStatus(const std::string &prefix, std::deque ¶ms) { if (params.size() < 1) return true; chanrec* c = Instance->FindChan(params[0]); if (c) { for (char modeletter = 'A'; modeletter <= 'z'; modeletter++) { ModeHandler* mh = Instance->Modes->FindMode(modeletter, MODETYPE_CHANNEL); if (mh) mh->RemoveMode(c); } } return true; } bool TreeSocket::RemoteServer(const std::string &prefix, std::deque ¶ms) { if (params.size() < 4) return false; std::string servername = params[0]; std::string password = params[1]; // hopcount is not used for a remote server, we calculate this ourselves std::string description = params[3]; TreeServer* ParentOfThis = Utils->FindServer(prefix); if (!ParentOfThis) { this->SendError("Protocol error - Introduced remote server from unknown server "+prefix); return false; } TreeServer* CheckDupe = Utils->FindServer(servername); if (CheckDupe) { this->SendError("Server "+servername+" already exists!"); this->Instance->SNO->WriteToSnoMask('l',"Server \2"+servername+"\2 being introduced from \2" + prefix + "\2 denied, already exists. Closing link with " + prefix); return false; } Link* lnk = Utils->FindLink(servername); TreeServer* Node = new TreeServer(this->Utils,this->Instance,servername,description,ParentOfThis,NULL, lnk ? lnk->Hidden : false); ParentOfThis->AddChild(Node); params[3] = ":" + params[3]; Utils->SetRemoteBursting(Node, true); Utils->DoOneToAllButSender(prefix,"SERVER",params,prefix); this->Instance->SNO->WriteToSnoMask('l',"Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")"); return true; } bool TreeSocket::ComparePass(const std::string &ours, const std::string &theirs) { if ((!strncmp(ours.c_str(), "HMAC-SHA256:", 12)) || (!strncmp(theirs.c_str(), "HMAC-SHA256:", 12))) { /* One or both of us specified hmac sha256, but we don't have sha256 module loaded! * We can't allow this password as valid. */ if (!Instance->FindModule("m_sha256.so") || !Utils->ChallengeResponse) return false; else /* Straight string compare of hashes */ return ours == theirs; } else /* Straight string compare of plaintext */ return ours == theirs; } bool TreeSocket::Outbound_Reply_Server(std::deque ¶ms) { if (params.size() < 4) return false; irc::string servername = params[0].c_str(); std::string sname = params[0]; std::string password = params[1]; std::string description = params[3]; int hops = atoi(params[2].c_str()); this->InboundServerName = sname; this->InboundDescription = description; if (!sentcapab) this->SendCapabilities(); if (hops) { this->SendError("Server too far away for authentication"); this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication"); return false; } for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) { if ((x->Name == servername) && ((ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password)) || (x->RecvPass == password && (this->GetTheirChallenge().empty())))) { TreeServer* CheckDupe = Utils->FindServer(sname); if (CheckDupe) { this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!"); this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName()); return false; } // Begin the sync here. this kickstarts the // other side, waiting in WAIT_AUTH_2 state, // into starting their burst, as it shows // that we're happy. this->LinkState = CONNECTED; // we should add the details of this server now // to the servers tree, as a child of the root // node. TreeServer* Node = new TreeServer(this->Utils,this->Instance,sname,description,Utils->TreeRoot,this,x->Hidden); Utils->TreeRoot->AddChild(Node); params[3] = ":" + params[3]; Utils->DoOneToAllButSender(Utils->TreeRoot->GetName(),"SERVER",params,sname); this->bursting = true; this->DoBurst(Node); return true; } } this->SendError("Invalid credentials"); this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials"); return false; } bool TreeSocket::Inbound_Server(std::deque ¶ms) { if (params.size() < 4) return false; irc::string servername = params[0].c_str(); std::string sname = params[0]; std::string password = params[1]; std::string description = params[3]; int hops = atoi(params[2].c_str()); this->InboundServerName = sname; this->InboundDescription = description; if (!sentcapab) this->SendCapabilities(); if (hops) { this->SendError("Server too far away for authentication"); this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication"); return false; } for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) { if ((x->Name == servername) && ((ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password) || x->RecvPass == password && (this->GetTheirChallenge().empty())))) { /* First check for instances of the server that are waiting between the inbound and outbound SERVER command */ TreeSocket* CheckDupeSocket = Utils->FindBurstingServer(sname); if (CheckDupeSocket) { /* If we find one, we abort the link to prevent a race condition */ this->SendError("Negotiation collision"); this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists in a negotiating state."); CheckDupeSocket->SendError("Negotiation collision"); Instance->SE->DelFd(CheckDupeSocket); CheckDupeSocket->Close(); delete CheckDupeSocket; return false; } /* Now check for fully initialized instances of the server */ TreeServer* CheckDupe = Utils->FindServer(sname); if (CheckDupe) { this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!"); this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName()); return false; } this->Instance->SNO->WriteToSnoMask('l',"Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "" : this->GetIP())+"] ("+description+")"); if (this->Hook) { std::string name = InspSocketNameRequest((Module*)Utils->Creator, this->Hook).Send(); this->Instance->SNO->WriteToSnoMask('l',"Connection from \2"+sname+"\2["+(x->HiddenFromStats ? "" : this->GetIP())+"] using transport \2"+name+"\2"); } Utils->AddBurstingServer(sname,this); // this is good. Send our details: Our server name and description and hopcount of 0, // along with the sendpass from this block. this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+this->MakePass(x->SendPass, this->GetTheirChallenge())+" 0 :"+this->Instance->Config->ServerDesc); // move to the next state, we are now waiting for THEM. this->LinkState = WAIT_AUTH_2; return true; } } this->SendError("Invalid credentials"); this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials"); return false; } void TreeSocket::Split(const std::string &line, std::deque &n) { n.clear(); irc::tokenstream tokens(line); std::string param; while (tokens.GetToken(param)) { if (!param.empty()) n.push_back(param); } return; } bool TreeSocket::ProcessLine(std::string &line) { std::deque params; irc::string command; std::string prefix; line = line.substr(0, line.find_first_of("\r\n")); if (line.empty()) return true; Instance->Log(DEBUG, "S[%d] <- %s", this->GetFd(), line.c_str()); this->Split(line.c_str(),params); if (params.empty()) return true; if ((params[0][0] == ':') && (params.size() > 1)) { prefix = params[0].substr(1); params.pop_front(); } command = params[0].c_str(); params.pop_front(); switch (this->LinkState) { TreeServer* Node; case WAIT_AUTH_1: // Waiting for SERVER command from remote server. Server initiating // the connection sends the first SERVER command, listening server // replies with theirs if its happy, then if the initiator is happy, // it starts to send its net sync, which starts the merge, otherwise // it sends an ERROR. if (command == "PASS") { /* Silently ignored */ } else if (command == "SERVER") { return this->Inbound_Server(params); } else if (command == "ERROR") { return this->Error(params); } else if (command == "USER") { this->SendError("Client connections to this port are prohibited."); return false; } else if (command == "CAPAB") { return this->Capab(params); } else if ((command == "U") || (command == "S")) { this->SendError("Cannot use the old-style mesh linking protocol with m_spanningtree.so!"); return false; } else { irc::string error = "Invalid command in negotiation phase: " + command; this->SendError(assign(error)); return false; } break; case WAIT_AUTH_2: // Waiting for start of other side's netmerge to say they liked our // password. if (command == "SERVER") { // cant do this, they sent it to us in the WAIT_AUTH_1 state! // silently ignore. return true; } else if ((command == "U") || (command == "S")) { this->SendError("Cannot use the old-style mesh linking protocol with m_spanningtree.so!"); return false; } else if (command == "BURST") { if (params.size() && Utils->EnableTimeSync) { bool we_have_delta = (Instance->Time(false) != Instance->Time(true)); time_t them = atoi(params[0].c_str()); time_t delta = them - Instance->Time(false); if ((delta < -300) || (delta > 300)) { Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than five minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta)); SendError("Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than five minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!"); return false; } else if ((delta < -30) || (delta > 30)) { Instance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds. Please consider synching your clocks.", abs(delta)); } if (!Utils->MasterTime && !we_have_delta) { this->Instance->SetTimeDelta(delta); // Send this new timestamp to any other servers Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params); } } this->LinkState = CONNECTED; Link* lnk = Utils->FindLink(InboundServerName); Node = new TreeServer(this->Utils,this->Instance, InboundServerName, InboundDescription, Utils->TreeRoot, this, lnk ? lnk->Hidden : false); Utils->DelBurstingServer(this); Utils->TreeRoot->AddChild(Node); params.clear(); params.push_back(InboundServerName); params.push_back("*"); params.push_back("1"); params.push_back(":"+InboundDescription); Utils->DoOneToAllButSender(Utils->TreeRoot->GetName(),"SERVER",params,InboundServerName); this->bursting = true; this->DoBurst(Node); } else if (command == "ERROR") { return this->Error(params); } else if (command == "CAPAB") { return this->Capab(params); } break; case LISTENER: this->SendError("Internal error -- listening socket accepted its own descriptor!!!"); return false; break; case CONNECTING: if (command == "SERVER") { // another server we connected to, which was in WAIT_AUTH_1 state, // has just sent us their credentials. If we get this far, theyre // happy with OUR credentials, and they are now in WAIT_AUTH_2 state. // if we're happy with this, we should send our netburst which // kickstarts the merge. return this->Outbound_Reply_Server(params); } else if (command == "ERROR") { return this->Error(params); } else if (command == "CAPAB") { return this->Capab(params); } break; case CONNECTED: // This is the 'authenticated' state, when all passwords // have been exchanged and anything past this point is taken // as gospel. if (!prefix.empty()) { std::string direction = prefix; userrec* t = this->Instance->FindNick(prefix); if (t) { direction = t->server; } TreeServer* route_back_again = Utils->BestRouteTo(direction); if ((!route_back_again) || (route_back_again->GetSocket() != this)) { if (route_back_again) Instance->Log(DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str()); return true; } /* Fix by brain: * When there is activity on the socket, reset the ping counter so * that we're not wasting bandwidth pinging an active server. */ route_back_again->SetNextPingTime(time(NULL) + 60); route_back_again->SetPingFlag(); } else { prefix = this->GetName(); } if ((command == "MODE") && (params.size() >= 2)) { chanrec* channel = Instance->FindChan(params[0]); if (channel) { userrec* x = Instance->FindNick(prefix); if (x) { if (warned.find(x->server) == warned.end()) { Instance->Log(DEFAULT,"WARNING: I revceived modes '%s' from another server '%s'. This is not compliant with InspIRCd. Please check that server for bugs.", params[1].c_str(), x->server); Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending nonstandard modes: '%s MODE %s' where FMODE should be used, and may cause desyncs.", x->server, x->nick, params[1].c_str()); warned[x->server] = x->nick; } } } } if (command == "SVSMODE") { /* Services expects us to implement * SVSMODE. In inspircd its the same as * MODE anyway. */ command = "MODE"; } std::string target; /* Yes, know, this is a mess. Its reasonably fast though as we're * working with std::string here. */ if ((command == "NICK") && (params.size() >= 8)) { return this->IntroduceClient(prefix,params); } else if (command == "FJOIN") { TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) Utils->SetRemoteBursting(ServerSource, false); return this->ForceJoin(prefix,params); } else if (command == "STATS") { return this->Stats(prefix, params); } else if (command == "MOTD") { return this->Motd(prefix, params); } else if (command == "KILL" && Utils->IsServer(prefix)) { return this->RemoteKill(prefix,params); } else if (command == "MODULES") { return this->Modules(prefix, params); } else if (command == "ADMIN") { return this->Admin(prefix, params); } else if (command == "SERVER") { return this->RemoteServer(prefix,params); } else if (command == "ERROR") { return this->Error(params); } else if (command == "OPERTYPE") { return this->OperType(prefix,params); } else if (command == "FMODE") { TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) Utils->SetRemoteBursting(ServerSource, false); return this->ForceMode(prefix,params); } else if (command == "FTOPIC") { return this->ForceTopic(prefix,params); } else if (command == "REHASH") { return this->RemoteRehash(prefix,params); } else if (command == "METADATA") { return this->MetaData(prefix,params); } else if (command == "REMSTATUS") { return this->RemoveStatus(prefix,params); } else if (command == "PING") { if (prefix.empty()) prefix = this->GetName(); /* * We just got a ping from a server that's bursting. * This can't be right, so set them to not bursting, and * apply their lines. */ TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) Utils->SetRemoteBursting(ServerSource, false); if (this->bursting) { this->bursting = false; Instance->XLines->apply_lines(Utils->lines_to_apply); Utils->lines_to_apply = 0; } return this->LocalPing(prefix,params); } else if (command == "PONG") { if (prefix.empty()) prefix = this->GetName(); /* * We just got a pong from a server that's bursting. * This can't be right, so set them to not bursting, and * apply their lines. */ TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) Utils->SetRemoteBursting(ServerSource, false); if (this->bursting) { this->bursting = false; Instance->XLines->apply_lines(Utils->lines_to_apply); Utils->lines_to_apply = 0; } return this->LocalPong(prefix,params); } else if (command == "VERSION") { return this->ServerVersion(prefix,params); } else if (command == "FHOST") { return this->ChangeHost(prefix,params); } else if (command == "FNAME") { return this->ChangeName(prefix,params); } else if (command == "ADDLINE") { TreeServer* ServerSource = Utils->FindServer(prefix); if (ServerSource) Utils->SetRemoteBursting(ServerSource, false); return this->AddLine(prefix,params); } else if (command == "SVSNICK") { if (prefix.empty()) { prefix = this->GetName(); } return this->ForceNick(prefix,params); } else if (command == "OPERQUIT") { return this->OperQuit(prefix,params); } else if (command == "IDLE") { return this->Whois(prefix,params); } else if (command == "PUSH") { return this->Push(prefix,params); } else if (command == "TIMESET") { return this->HandleSetTime(prefix, params); } else if (command == "TIME") { return this->Time(prefix,params); } else if ((command == "KICK") && (Utils->IsServer(prefix))) { std::string sourceserv = this->myhost; if (params.size() == 3) { userrec* user = this->Instance->FindNick(params[1]); chanrec* chan = this->Instance->FindChan(params[0]); if (user && chan) { if (!chan->ServerKickUser(user, params[2].c_str(), false)) /* Yikes, the channels gone! */ delete chan; } } if (!this->InboundServerName.empty()) { sourceserv = this->InboundServerName; } return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); } else if (command == "SVSJOIN") { if (prefix.empty()) { prefix = this->GetName(); } return this->ServiceJoin(prefix,params); } else if (command == "SQUIT") { if (params.size() == 2) { this->Squit(Utils->FindServer(params[0]),params[1]); } return true; } else if (command == "OPERNOTICE") { std::string sourceserv = this->myhost; if (!this->InboundServerName.empty()) sourceserv = this->InboundServerName; if (params.size() >= 1) Instance->WriteOpers("*** From " + sourceserv + ": " + params[0]); return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params); } else if (command == "MODENOTICE") { std::string sourceserv = this->myhost; if (!this->InboundServerName.empty()) sourceserv = this->InboundServerName; if (params.size() >= 2) { Instance->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", sourceserv.c_str(), params[1].c_str()); } return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params); } else if (command == "SNONOTICE") { std::string sourceserv = this->myhost; if (!this->InboundServerName.empty()) sourceserv = this->InboundServerName; if (params.size() >= 2) { Instance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + sourceserv + ": "+ params[1]); } return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params); } else if (command == "ENDBURST") { this->bursting = false; Instance->XLines->apply_lines(Utils->lines_to_apply); Utils->lines_to_apply = 0; std::string sourceserv = this->myhost; if (!this->InboundServerName.empty()) sourceserv = this->InboundServerName; this->Instance->SNO->WriteToSnoMask('l',"Received end of netburst from \2%s\2",sourceserv.c_str()); Event rmode((char*)sourceserv.c_str(), (Module*)Utils->Creator, "new_server"); rmode.Send(Instance); return true; } else { // not a special inter-server command. // Emulate the actual user doing the command, // this saves us having a huge ugly parser. userrec* who = this->Instance->FindNick(prefix); std::string sourceserv = this->myhost; if (!this->InboundServerName.empty()) { sourceserv = this->InboundServerName; } if ((!who) && (command == "MODE")) { if (Utils->IsServer(prefix)) { const char* modelist[127]; for (size_t i = 0; i < params.size(); i++) modelist[i] = params[i].c_str(); userrec* fake = new userrec(Instance); fake->SetFd(FD_MAGIC_NUMBER); this->Instance->SendMode(modelist, params.size(), fake); delete fake; /* Hot potato! pass it on! */ return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); } } if (who) { if ((command == "NICK") && (params.size() > 0)) { /* On nick messages, check that the nick doesnt * already exist here. If it does, kill their copy, * and our copy. */ userrec* x = this->Instance->FindNick(params[0]); if ((x) && (x != who)) { std::deque p; p.push_back(params[0]); p.push_back("Nickname collision ("+prefix+" -> "+params[0]+")"); Utils->DoOneToMany(this->Instance->Config->ServerName,"KILL",p); p.clear(); p.push_back(prefix); p.push_back("Nickname collision"); Utils->DoOneToMany(this->Instance->Config->ServerName,"KILL",p); userrec::QuitUser(this->Instance,x,"Nickname collision ("+prefix+" -> "+params[0]+")"); userrec* y = this->Instance->FindNick(prefix); if (y) { userrec::QuitUser(this->Instance,y,"Nickname collision"); } return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); } } // its a user target = who->server; const char* strparams[127]; for (unsigned int q = 0; q < params.size(); q++) { strparams[q] = params[q].c_str(); } switch (this->Instance->CallCommandHandler(command.c_str(), strparams, params.size(), who)) { case CMD_INVALID: this->SendError("Unrecognised command '"+std::string(command.c_str())+"' -- possibly loaded mismatched modules"); return false; break; case CMD_FAILURE: return true; break; default: /* CMD_SUCCESS and CMD_USER_DELETED fall through here */ break; } } else { // its not a user. Its either a server, or somethings screwed up. if (Utils->IsServer(prefix)) target = this->Instance->Config->ServerName; else return true; } return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); } return true; break; } return true; } std::string TreeSocket::GetName() { std::string sourceserv = this->myhost; if (!this->InboundServerName.empty()) { sourceserv = this->InboundServerName; } return sourceserv; } void TreeSocket::OnTimeout() { if (this->LinkState == CONNECTING) { this->Instance->SNO->WriteToSnoMask('l',"CONNECT: Connection to \002"+myhost+"\002 timed out."); Link* MyLink = Utils->FindLink(myhost); if (MyLink) Utils->DoFailOver(MyLink); } } void TreeSocket::OnClose() { // Connection closed. // If the connection is fully up (state CONNECTED) // then propogate a netsplit to all peers. std::string quitserver = this->myhost; if (!this->InboundServerName.empty()) { quitserver = this->InboundServerName; } TreeServer* s = Utils->FindServer(quitserver); if (s) { Squit(s,"Remote host closed the connection"); } if (!quitserver.empty()) { this->Instance->SNO->WriteToSnoMask('l',"Connection to '\2%s\2' failed.",quitserver.c_str()); time_t server_uptime = Instance->Time() - this->age; if (server_uptime) Instance->SNO->WriteToSnoMask('l',"Connection to '\2%s\2' was established for %s", quitserver.c_str(), Utils->Creator->TimeToStr(server_uptime).c_str()); } } int TreeSocket::OnIncomingConnection(int newsock, char* ip) { /* To prevent anyone from attempting to flood opers/DDoS by connecting to the server port, * or discovering if this port is the server port, we don't allow connections from any * IPs for which we don't have a link block. */ bool found = false; found = (std::find(Utils->ValidIPs.begin(), Utils->ValidIPs.end(), ip) != Utils->ValidIPs.end()); if (!found) { for (vector::iterator i = Utils->ValidIPs.begin(); i != Utils->ValidIPs.end(); i++) if (irc::sockets::MatchCIDR(ip, (*i).c_str())) found = true; if (!found) { this->Instance->SNO->WriteToSnoMask('l',"Server connection from %s denied (no link blocks with that IP address)", ip); close(newsock); return false; } } TreeSocket* s = new TreeSocket(this->Utils, this->Instance, newsock, ip, this->Hook); s = s; /* Whinge whinge whinge, thats all GCC ever does. */ return true; } \ No newline at end of file diff --git a/src/modules/m_spanningtree/utils.cpp b/src/modules/m_spanningtree/utils.cpp index 9675a6ac8..4d0256fa2 100644 --- a/src/modules/m_spanningtree/utils.cpp +++ b/src/modules/m_spanningtree/utils.cpp @@ -1,649 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands/cmd_whois.h" -#include "commands/cmd_stats.h" -#include "socket.h" -#include "wildcard.h" -#include "xline.h" -#include "transport.h" -#include "socketengine.h" - -#include "m_spanningtree/main.h" -#include "m_spanningtree/utils.h" -#include "m_spanningtree/treeserver.h" -#include "m_spanningtree/link.h" -#include "m_spanningtree/treesocket.h" -#include "m_spanningtree/resolvers.h" - -/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ - -/** Yay for fast searches! - * This is hundreds of times faster than recursion - * or even scanning a linked list, especially when - * there are more than a few servers to deal with. - * (read as: lots). - */ -TreeServer* SpanningTreeUtilities::FindServer(const std::string &ServerName) -{ - server_hash::iterator iter = serverlist.find(ServerName.c_str()); - if (iter != serverlist.end()) - { - return iter->second; - } - else - { - return NULL; - } -} - -TreeServer* SpanningTreeUtilities::FindRemoteBurstServer(TreeServer* Server) -{ - server_hash::iterator iter = RemoteServersBursting.find(Server->GetName().c_str()); - if (iter != RemoteServersBursting.end()) - return iter->second; - else - return NULL; -} - -TreeSocket* SpanningTreeUtilities::FindBurstingServer(const std::string &ServerName) -{ - std::map::iterator iter; - iter = burstingserverlist.find(ServerName.c_str()); - if (iter != burstingserverlist.end()) - { - return iter->second; - } - else - { - return NULL; - } -} - -void SpanningTreeUtilities::SetRemoteBursting(TreeServer* Server, bool bursting) -{ - server_hash::iterator iter = RemoteServersBursting.find(Server->GetName().c_str()); - if (bursting) - { - if (iter == RemoteServersBursting.end()) - RemoteServersBursting.insert(make_pair(Server->GetName(), Server)); - else return; - } - else - { - if (iter != RemoteServersBursting.end()) - RemoteServersBursting.erase(iter); - else return; - } - ServerInstance->Log(DEBUG,"Server %s is %sbursting nicknames", Server->GetName().c_str(), bursting ? "" : "no longer "); -} - -void SpanningTreeUtilities::AddBurstingServer(const std::string &ServerName, TreeSocket* s) -{ - std::map::iterator iter = burstingserverlist.find(ServerName.c_str()); - if (iter == burstingserverlist.end()) - burstingserverlist[ServerName.c_str()] = s; -} - -void SpanningTreeUtilities::DelBurstingServer(TreeSocket* s) -{ - for (std::map::iterator iter = burstingserverlist.begin(); iter != burstingserverlist.end(); iter++) - { - if (iter->second == s) - { - burstingserverlist.erase(iter); - return; - } - } -} - -/** Returns the locally connected server we must route a - * message through to reach server 'ServerName'. This - * only applies to one-to-one and not one-to-many routing. - * See the comments for the constructor of TreeServer - * for more details. - */ -TreeServer* SpanningTreeUtilities::BestRouteTo(const std::string &ServerName) -{ - if (ServerName.c_str() == TreeRoot->GetName()) - return NULL; - TreeServer* Found = FindServer(ServerName); - if (Found) - { - return Found->GetRoute(); - } - else - { - return NULL; - } -} - -/** Find the first server matching a given glob mask. - * Theres no find-using-glob method of hash_map [awwww :-(] - * so instead, we iterate over the list using an iterator - * and match each one until we get a hit. Yes its slow, - * deal with it. - */ -TreeServer* SpanningTreeUtilities::FindServerMask(const std::string &ServerName) -{ - for (server_hash::iterator i = serverlist.begin(); i != serverlist.end(); i++) - { - if (match(i->first.c_str(),ServerName.c_str())) - return i->second; - } - return NULL; -} - -/* A convenient wrapper that returns true if a server exists */ -bool SpanningTreeUtilities::IsServer(const std::string &ServerName) -{ - return (FindServer(ServerName) != NULL); -} - -SpanningTreeUtilities::SpanningTreeUtilities(InspIRCd* Instance, ModuleSpanningTree* C) : ServerInstance(Instance), Creator(C) -{ - Bindings.clear(); - - lines_to_apply = 0; - - this->TreeRoot = new TreeServer(this, ServerInstance, ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc); - - modulelist* ml = ServerInstance->FindInterface("InspSocketHook"); - - /* Did we find any modules? */ - if (ml) - { - /* Yes, enumerate them all to find out the hook name */ - for (modulelist::iterator m = ml->begin(); m != ml->end(); m++) - { - /* Make a request to it for its name, its implementing - * InspSocketHook so we know its safe to do this - */ - std::string name = InspSocketNameRequest((Module*)Creator, *m).Send(); - /* Build a map of them */ - hooks[name.c_str()] = *m; - hooknames.push_back(name); - } - } - - this->ReadConfiguration(true); -} - -SpanningTreeUtilities::~SpanningTreeUtilities() -{ - for (unsigned int i = 0; i < Bindings.size(); i++) - { - ServerInstance->SE->DelFd(Bindings[i]); - Bindings[i]->Close(); - DELETE(Bindings[i]); - } - while (TreeRoot->ChildCount()) - { - TreeServer* child_server = TreeRoot->GetChild(0); - if (child_server) - { - TreeSocket* sock = child_server->GetSocket(); - ServerInstance->SE->DelFd(sock); - sock->Close(); - DELETE(sock); - } - } - delete TreeRoot; -} - -void SpanningTreeUtilities::AddThisServer(TreeServer* server, TreeServerList &list) -{ - if (list.find(server) == list.end()) - list[server] = server; -} - -/* returns a list of DIRECT servernames for a specific channel */ -void SpanningTreeUtilities::GetListOfServersForChannel(chanrec* c, TreeServerList &list, char status, const CUList &exempt_list) -{ - CUList *ulist; - switch (status) - { - case '@': - ulist = c->GetOppedUsers(); - break; - case '%': - ulist = c->GetHalfoppedUsers(); - break; - case '+': - ulist = c->GetVoicedUsers(); - break; - default: - ulist = c->GetUsers(); - break; - } - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - if ((i->first->GetFd() < 0) && (exempt_list.find(i->first) == exempt_list.end())) - { - TreeServer* best = this->BestRouteTo(i->first->server); - if (best) - AddThisServer(best,list); - } - } - return; -} - -bool SpanningTreeUtilities::DoOneToAllButSenderRaw(const std::string &data, const std::string &omit, const std::string &prefix, const irc::string &command, std::deque ¶ms) -{ - char pfx = 0; - TreeServer* omitroute = this->BestRouteTo(omit); - if ((command == "NOTICE") || (command == "PRIVMSG")) - { - if (params.size() >= 2) - { - /* Prefixes */ - if ((*(params[0].c_str()) == '@') || (*(params[0].c_str()) == '%') || (*(params[0].c_str()) == '+')) - { - pfx = params[0][0]; - params[0] = params[0].substr(1, params[0].length()-1); - } - if ((*(params[0].c_str()) != '#') && (*(params[0].c_str()) != '$')) - { - // special routing for private messages/notices - userrec* d = ServerInstance->FindNick(params[0]); - if (d) - { - std::deque par; - par.push_back(params[0]); - par.push_back(":"+params[1]); - this->DoOneToOne(prefix,command.c_str(),par,d->server); - return true; - } - } - else if (*(params[0].c_str()) == '$') - { - std::deque par; - par.push_back(params[0]); - par.push_back(":"+params[1]); - this->DoOneToAllButSender(prefix,command.c_str(),par,omitroute->GetName()); - return true; - } - else - { - chanrec* c = ServerInstance->FindChan(params[0]); - userrec* u = ServerInstance->FindNick(prefix); - if (c && u) - { - CUList elist; - TreeServerList list; - FOREACH_MOD(I_OnBuildExemptList, OnBuildExemptList((command == "PRIVMSG" ? MSG_PRIVMSG : MSG_NOTICE), c, u, pfx, elist)); - GetListOfServersForChannel(c,list,pfx,elist); - - for (TreeServerList::iterator i = list.begin(); i != list.end(); i++) - { - TreeSocket* Sock = i->second->GetSocket(); - if ((Sock) && (i->second->GetName() != omit) && (omitroute != i->second)) - { - Sock->WriteLine(data); - } - } - return true; - } - } - } - } - unsigned int items =this->TreeRoot->ChildCount(); - for (unsigned int x = 0; x < items; x++) - { - TreeServer* Route = this->TreeRoot->GetChild(x); - if ((Route) && (Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route)) - { - TreeSocket* Sock = Route->GetSocket(); - if (Sock) - Sock->WriteLine(data); - } - } - return true; -} - -bool SpanningTreeUtilities::DoOneToAllButSender(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string omit) -{ - TreeServer* omitroute = this->BestRouteTo(omit); - std::string FullLine = ":" + prefix + " " + command; - unsigned int words = params.size(); - for (unsigned int x = 0; x < words; x++) - { - FullLine = FullLine + " " + params[x]; - } - unsigned int items = this->TreeRoot->ChildCount(); - for (unsigned int x = 0; x < items; x++) - { - TreeServer* Route = this->TreeRoot->GetChild(x); - // Send the line IF: - // The route has a socket (its a direct connection) - // The route isnt the one to be omitted - // The route isnt the path to the one to be omitted - if ((Route) && (Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route)) - { - TreeSocket* Sock = Route->GetSocket(); - if (Sock) - Sock->WriteLine(FullLine); - } - } - return true; -} - -bool SpanningTreeUtilities::DoOneToMany(const std::string &prefix, const std::string &command, std::deque ¶ms) -{ - std::string FullLine = ":" + prefix + " " + command; - unsigned int words = params.size(); - for (unsigned int x = 0; x < words; x++) - { - FullLine = FullLine + " " + params[x]; - } - unsigned int items = this->TreeRoot->ChildCount(); - for (unsigned int x = 0; x < items; x++) - { - TreeServer* Route = this->TreeRoot->GetChild(x); - if (Route && Route->GetSocket()) - { - TreeSocket* Sock = Route->GetSocket(); - if (Sock) - Sock->WriteLine(FullLine); - } - } - return true; -} - -bool SpanningTreeUtilities::DoOneToMany(const char* prefix, const char* command, std::deque ¶ms) -{ - std::string spfx = prefix; - std::string scmd = command; - return this->DoOneToMany(spfx, scmd, params); -} - -bool SpanningTreeUtilities::DoOneToAllButSender(const char* prefix, const char* command, std::deque ¶ms, std::string omit) -{ - std::string spfx = prefix; - std::string scmd = command; - return this->DoOneToAllButSender(spfx, scmd, params, omit); -} - -bool SpanningTreeUtilities::DoOneToOne(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string target) -{ - TreeServer* Route = this->BestRouteTo(target); - if (Route) - { - std::string FullLine = ":" + prefix + " " + command; - unsigned int words = params.size(); - for (unsigned int x = 0; x < words; x++) - { - FullLine = FullLine + " " + params[x]; - } - if (Route && Route->GetSocket()) - { - TreeSocket* Sock = Route->GetSocket(); - if (Sock) - Sock->WriteLine(FullLine); - } - return true; - } - else - { - return false; - } -} - -void SpanningTreeUtilities::RefreshIPCache() -{ - ValidIPs.clear(); - for (std::vector::iterator L = LinkBlocks.begin(); L != LinkBlocks.end(); L++) - { - if ((!L->IPAddr.empty()) && (!L->RecvPass.empty()) && (!L->SendPass.empty()) && (!L->Name.empty()) && (L->Port)) - { - ValidIPs.push_back(L->IPAddr); - - if (L->AllowMask.length()) - ValidIPs.push_back(L->AllowMask); - - /* Needs resolving */ - bool ipvalid = true; - QueryType start_type = DNS_QUERY_A; -#ifdef IPV6 - start_type = DNS_QUERY_AAAA; - if (strchr(L->IPAddr.c_str(),':')) - { - in6_addr n; - if (inet_pton(AF_INET6, L->IPAddr.c_str(), &n) < 1) - ipvalid = false; - } - else -#endif - { - in_addr n; - if (inet_aton(L->IPAddr.c_str(),&n) < 1) - ipvalid = false; - } - if (!ipvalid) - { - try - { - bool cached; - SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L->IPAddr, *L, cached, start_type); - ServerInstance->AddResolver(sr, cached); - } - catch (...) - { - } - } - } - } -} - -void SpanningTreeUtilities::ReadConfiguration(bool rebind) -{ - ConfigReader* Conf = new ConfigReader(ServerInstance); - if (rebind) - { - for (int j = 0; j < Conf->Enumerate("bind"); j++) - { - std::string Type = Conf->ReadValue("bind","type",j); - std::string IP = Conf->ReadValue("bind","address",j); - std::string Port = Conf->ReadValue("bind","port",j); - std::string transport = Conf->ReadValue("bind","transport",j); - if (Type == "servers") - { - irc::portparser portrange(Port, false); - int portno = -1; - while ((portno = portrange.GetToken())) - { - if (IP == "*") - IP.clear(); - - if ((!transport.empty()) && (hooks.find(transport.c_str()) == hooks.end())) - { - ServerInstance->Log(DEFAULT,"m_spanningtree: WARNING: Can't find transport type '%s' for port %s:%s - maybe you forgot to load it BEFORE m_spanningtree in your config file? - Skipping this port binding", transport.c_str(), IP.c_str(), Port.c_str()); - break; - } - - TreeSocket* listener = new TreeSocket(this, ServerInstance, IP.c_str(), portno, true, 10, transport.empty() ? NULL : hooks[transport.c_str()]); - if (listener->GetState() == I_LISTENING) - { - ServerInstance->Log(DEFAULT,"m_spanningtree: Binding server port %s:%d successful!", IP.c_str(), portno); - Bindings.push_back(listener); - } - else - { - ServerInstance->Log(DEFAULT,"m_spanningtree: Warning: Failed to bind server port: %s:%d: %s",IP.c_str(), portno, strerror(errno)); - listener->Close(); - DELETE(listener); - } - } - } - } - } - FlatLinks = Conf->ReadFlag("options","flatlinks",0); - HideULines = Conf->ReadFlag("options","hideulines",0); - AnnounceTSChange = Conf->ReadFlag("options","announcets",0); - EnableTimeSync = Conf->ReadFlag("timesync","enable",0); - MasterTime = Conf->ReadFlag("timesync", "master", 0); - ChallengeResponse = !Conf->ReadFlag("options", "disablehmac", 0); - quiet_bursts = Conf->ReadFlag("options", "quietbursts", 0); - PingWarnTime = Conf->ReadInteger("options", "pingwarning", 0, true); - - if (PingWarnTime < 0 || PingWarnTime > 59) - PingWarnTime = 0; - - LinkBlocks.clear(); - ValidIPs.clear(); - for (int j = 0; j < Conf->Enumerate("link"); j++) - { - Link L; - std::string Allow = Conf->ReadValue("link", "allowmask", j); - L.Name = (Conf->ReadValue("link", "name", j)).c_str(); - L.AllowMask = Allow; - L.IPAddr = Conf->ReadValue("link", "ipaddr", j); - L.FailOver = Conf->ReadValue("link", "failover", j).c_str(); - L.Port = Conf->ReadInteger("link", "port", j, true); - L.SendPass = Conf->ReadValue("link", "sendpass", j); - L.RecvPass = Conf->ReadValue("link", "recvpass", j); - L.AutoConnect = Conf->ReadInteger("link", "autoconnect", j, true); - L.HiddenFromStats = Conf->ReadFlag("link", "statshidden", j); - L.Timeout = Conf->ReadInteger("link", "timeout", j, true); - L.Hook = Conf->ReadValue("link", "transport", j); - L.Bind = Conf->ReadValue("link", "bind", j); - L.Hidden = Conf->ReadFlag("link", "hidden", j); - - if ((!L.Hook.empty()) && (hooks.find(L.Hook.c_str()) == hooks.end())) - { - ServerInstance->Log(DEFAULT,"m_spanningtree: WARNING: Can't find transport type '%s' for link '%s' - maybe you forgot to load it BEFORE m_spanningtree in your config file? Skipping tag completely.", - L.Hook.c_str(), L.Name.c_str()); - continue; - - } - - L.NextConnectTime = time(NULL) + L.AutoConnect; - /* Bugfix by brain, do not allow people to enter bad configurations */ - if (L.Name != ServerInstance->Config->ServerName) - { - if ((!L.IPAddr.empty()) && (!L.RecvPass.empty()) && (!L.SendPass.empty()) && (!L.Name.empty()) && (L.Port)) - { - ValidIPs.push_back(L.IPAddr); - - if (Allow.length()) - ValidIPs.push_back(Allow); - - /* Needs resolving */ - bool ipvalid = true; - QueryType start_type = DNS_QUERY_A; -#ifdef IPV6 - start_type = DNS_QUERY_AAAA; - if (strchr(L.IPAddr.c_str(),':')) - { - in6_addr n; - if (inet_pton(AF_INET6, L.IPAddr.c_str(), &n) < 1) - ipvalid = false; - } - else - { - in_addr n; - if (inet_aton(L.IPAddr.c_str(),&n) < 1) - ipvalid = false; - } -#else - in_addr n; - if (inet_aton(L.IPAddr.c_str(),&n) < 1) - ipvalid = false; -#endif - - if (!ipvalid) - { - try - { - bool cached; - SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L.IPAddr, L, cached, start_type); - ServerInstance->AddResolver(sr, cached); - } - catch (...) - { - } - } - - LinkBlocks.push_back(L); - } - else - { - if (L.IPAddr.empty()) - { - ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', IP address not defined!",L.Name.c_str()); - } - else if (L.RecvPass.empty()) - { - ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', recvpass not defined!",L.Name.c_str()); - } - else if (L.SendPass.empty()) - { - ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', sendpass not defined!",L.Name.c_str()); - } - else if (L.Name.empty()) - { - ServerInstance->Log(DEFAULT,"Invalid configuration, link tag without a name!"); - } - else if (!L.Port) - { - ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', no port specified!",L.Name.c_str()); - } - } - } - else - { - ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', link tag has the same server name as the local server!",L.Name.c_str()); - } - } - DELETE(Conf); -} - -void SpanningTreeUtilities::DoFailOver(Link* x) -{ - if (x->FailOver.length()) - { - if (x->FailOver == x->Name) - { - ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Some muppet configured the failover for server \002%s\002 to point at itself. Not following it!", x->Name.c_str()); - return; - } - Link* TryThisOne = this->FindLink(x->FailOver.c_str()); - if (TryThisOne) - { - ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Trying failover link for \002%s\002: \002%s\002...", x->Name.c_str(), TryThisOne->Name.c_str()); - Creator->ConnectServer(TryThisOne); - } - else - { - ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Invalid failover server specified for server \002%s\002, will not follow!", x->Name.c_str()); - } - } -} - -Link* SpanningTreeUtilities::FindLink(const std::string& name) -{ - for (std::vector::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++) - { - if (ServerInstance->MatchText(x->Name.c_str(), name.c_str())) - { - return &(*x); - } - } - return NULL; -} - +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "commands/cmd_whois.h" #include "commands/cmd_stats.h" #include "socket.h" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "socketengine.h" #include "m_spanningtree/main.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.h" #include "m_spanningtree/resolvers.h" /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */ /** Yay for fast searches! * This is hundreds of times faster than recursion * or even scanning a linked list, especially when * there are more than a few servers to deal with. * (read as: lots). */ TreeServer* SpanningTreeUtilities::FindServer(const std::string &ServerName) { server_hash::iterator iter = serverlist.find(ServerName.c_str()); if (iter != serverlist.end()) { return iter->second; } else { return NULL; } } TreeServer* SpanningTreeUtilities::FindRemoteBurstServer(TreeServer* Server) { server_hash::iterator iter = RemoteServersBursting.find(Server->GetName().c_str()); if (iter != RemoteServersBursting.end()) return iter->second; else return NULL; } TreeSocket* SpanningTreeUtilities::FindBurstingServer(const std::string &ServerName) { std::map::iterator iter; iter = burstingserverlist.find(ServerName.c_str()); if (iter != burstingserverlist.end()) { return iter->second; } else { return NULL; } } void SpanningTreeUtilities::SetRemoteBursting(TreeServer* Server, bool bursting) { server_hash::iterator iter = RemoteServersBursting.find(Server->GetName().c_str()); if (bursting) { if (iter == RemoteServersBursting.end()) RemoteServersBursting.insert(make_pair(Server->GetName(), Server)); else return; } else { if (iter != RemoteServersBursting.end()) RemoteServersBursting.erase(iter); else return; } ServerInstance->Log(DEBUG,"Server %s is %sbursting nicknames", Server->GetName().c_str(), bursting ? "" : "no longer "); } void SpanningTreeUtilities::AddBurstingServer(const std::string &ServerName, TreeSocket* s) { std::map::iterator iter = burstingserverlist.find(ServerName.c_str()); if (iter == burstingserverlist.end()) burstingserverlist[ServerName.c_str()] = s; } void SpanningTreeUtilities::DelBurstingServer(TreeSocket* s) { for (std::map::iterator iter = burstingserverlist.begin(); iter != burstingserverlist.end(); iter++) { if (iter->second == s) { burstingserverlist.erase(iter); return; } } } /** Returns the locally connected server we must route a * message through to reach server 'ServerName'. This * only applies to one-to-one and not one-to-many routing. * See the comments for the constructor of TreeServer * for more details. */ TreeServer* SpanningTreeUtilities::BestRouteTo(const std::string &ServerName) { if (ServerName.c_str() == TreeRoot->GetName()) return NULL; TreeServer* Found = FindServer(ServerName); if (Found) { return Found->GetRoute(); } else { return NULL; } } /** Find the first server matching a given glob mask. * Theres no find-using-glob method of hash_map [awwww :-(] * so instead, we iterate over the list using an iterator * and match each one until we get a hit. Yes its slow, * deal with it. */ TreeServer* SpanningTreeUtilities::FindServerMask(const std::string &ServerName) { for (server_hash::iterator i = serverlist.begin(); i != serverlist.end(); i++) { if (match(i->first.c_str(),ServerName.c_str())) return i->second; } return NULL; } /* A convenient wrapper that returns true if a server exists */ bool SpanningTreeUtilities::IsServer(const std::string &ServerName) { return (FindServer(ServerName) != NULL); } SpanningTreeUtilities::SpanningTreeUtilities(InspIRCd* Instance, ModuleSpanningTree* C) : ServerInstance(Instance), Creator(C) { Bindings.clear(); lines_to_apply = 0; this->TreeRoot = new TreeServer(this, ServerInstance, ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc); modulelist* ml = ServerInstance->FindInterface("InspSocketHook"); /* Did we find any modules? */ if (ml) { /* Yes, enumerate them all to find out the hook name */ for (modulelist::iterator m = ml->begin(); m != ml->end(); m++) { /* Make a request to it for its name, its implementing * InspSocketHook so we know its safe to do this */ std::string name = InspSocketNameRequest((Module*)Creator, *m).Send(); /* Build a map of them */ hooks[name.c_str()] = *m; hooknames.push_back(name); } } this->ReadConfiguration(true); } SpanningTreeUtilities::~SpanningTreeUtilities() { for (unsigned int i = 0; i < Bindings.size(); i++) { ServerInstance->SE->DelFd(Bindings[i]); Bindings[i]->Close(); DELETE(Bindings[i]); } while (TreeRoot->ChildCount()) { TreeServer* child_server = TreeRoot->GetChild(0); if (child_server) { TreeSocket* sock = child_server->GetSocket(); ServerInstance->SE->DelFd(sock); sock->Close(); DELETE(sock); } } delete TreeRoot; } void SpanningTreeUtilities::AddThisServer(TreeServer* server, TreeServerList &list) { if (list.find(server) == list.end()) list[server] = server; } /* returns a list of DIRECT servernames for a specific channel */ void SpanningTreeUtilities::GetListOfServersForChannel(chanrec* c, TreeServerList &list, char status, const CUList &exempt_list) { CUList *ulist; switch (status) { case '@': ulist = c->GetOppedUsers(); break; case '%': ulist = c->GetHalfoppedUsers(); break; case '+': ulist = c->GetVoicedUsers(); break; default: ulist = c->GetUsers(); break; } for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) { if ((i->first->GetFd() < 0) && (exempt_list.find(i->first) == exempt_list.end())) { TreeServer* best = this->BestRouteTo(i->first->server); if (best) AddThisServer(best,list); } } return; } bool SpanningTreeUtilities::DoOneToAllButSenderRaw(const std::string &data, const std::string &omit, const std::string &prefix, const irc::string &command, std::deque ¶ms) { char pfx = 0; TreeServer* omitroute = this->BestRouteTo(omit); if ((command == "NOTICE") || (command == "PRIVMSG")) { if (params.size() >= 2) { /* Prefixes */ if ((*(params[0].c_str()) == '@') || (*(params[0].c_str()) == '%') || (*(params[0].c_str()) == '+')) { pfx = params[0][0]; params[0] = params[0].substr(1, params[0].length()-1); } if ((*(params[0].c_str()) != '#') && (*(params[0].c_str()) != '$')) { // special routing for private messages/notices userrec* d = ServerInstance->FindNick(params[0]); if (d) { std::deque par; par.push_back(params[0]); par.push_back(":"+params[1]); this->DoOneToOne(prefix,command.c_str(),par,d->server); return true; } } else if (*(params[0].c_str()) == '$') { std::deque par; par.push_back(params[0]); par.push_back(":"+params[1]); this->DoOneToAllButSender(prefix,command.c_str(),par,omitroute->GetName()); return true; } else { chanrec* c = ServerInstance->FindChan(params[0]); userrec* u = ServerInstance->FindNick(prefix); if (c && u) { CUList elist; TreeServerList list; FOREACH_MOD(I_OnBuildExemptList, OnBuildExemptList((command == "PRIVMSG" ? MSG_PRIVMSG : MSG_NOTICE), c, u, pfx, elist)); GetListOfServersForChannel(c,list,pfx,elist); for (TreeServerList::iterator i = list.begin(); i != list.end(); i++) { TreeSocket* Sock = i->second->GetSocket(); if ((Sock) && (i->second->GetName() != omit) && (omitroute != i->second)) { Sock->WriteLine(data); } } return true; } } } } unsigned int items =this->TreeRoot->ChildCount(); for (unsigned int x = 0; x < items; x++) { TreeServer* Route = this->TreeRoot->GetChild(x); if ((Route) && (Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route)) { TreeSocket* Sock = Route->GetSocket(); if (Sock) Sock->WriteLine(data); } } return true; } bool SpanningTreeUtilities::DoOneToAllButSender(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string omit) { TreeServer* omitroute = this->BestRouteTo(omit); std::string FullLine = ":" + prefix + " " + command; unsigned int words = params.size(); for (unsigned int x = 0; x < words; x++) { FullLine = FullLine + " " + params[x]; } unsigned int items = this->TreeRoot->ChildCount(); for (unsigned int x = 0; x < items; x++) { TreeServer* Route = this->TreeRoot->GetChild(x); // Send the line IF: // The route has a socket (its a direct connection) // The route isnt the one to be omitted // The route isnt the path to the one to be omitted if ((Route) && (Route->GetSocket()) && (Route->GetName() != omit) && (omitroute != Route)) { TreeSocket* Sock = Route->GetSocket(); if (Sock) Sock->WriteLine(FullLine); } } return true; } bool SpanningTreeUtilities::DoOneToMany(const std::string &prefix, const std::string &command, std::deque ¶ms) { std::string FullLine = ":" + prefix + " " + command; unsigned int words = params.size(); for (unsigned int x = 0; x < words; x++) { FullLine = FullLine + " " + params[x]; } unsigned int items = this->TreeRoot->ChildCount(); for (unsigned int x = 0; x < items; x++) { TreeServer* Route = this->TreeRoot->GetChild(x); if (Route && Route->GetSocket()) { TreeSocket* Sock = Route->GetSocket(); if (Sock) Sock->WriteLine(FullLine); } } return true; } bool SpanningTreeUtilities::DoOneToMany(const char* prefix, const char* command, std::deque ¶ms) { std::string spfx = prefix; std::string scmd = command; return this->DoOneToMany(spfx, scmd, params); } bool SpanningTreeUtilities::DoOneToAllButSender(const char* prefix, const char* command, std::deque ¶ms, std::string omit) { std::string spfx = prefix; std::string scmd = command; return this->DoOneToAllButSender(spfx, scmd, params, omit); } bool SpanningTreeUtilities::DoOneToOne(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string target) { TreeServer* Route = this->BestRouteTo(target); if (Route) { std::string FullLine = ":" + prefix + " " + command; unsigned int words = params.size(); for (unsigned int x = 0; x < words; x++) { FullLine = FullLine + " " + params[x]; } if (Route && Route->GetSocket()) { TreeSocket* Sock = Route->GetSocket(); if (Sock) Sock->WriteLine(FullLine); } return true; } else { return false; } } void SpanningTreeUtilities::RefreshIPCache() { ValidIPs.clear(); for (std::vector::iterator L = LinkBlocks.begin(); L != LinkBlocks.end(); L++) { if ((!L->IPAddr.empty()) && (!L->RecvPass.empty()) && (!L->SendPass.empty()) && (!L->Name.empty()) && (L->Port)) { ValidIPs.push_back(L->IPAddr); if (L->AllowMask.length()) ValidIPs.push_back(L->AllowMask); /* Needs resolving */ bool ipvalid = true; QueryType start_type = DNS_QUERY_A; #ifdef IPV6 start_type = DNS_QUERY_AAAA; if (strchr(L->IPAddr.c_str(),':')) { in6_addr n; if (inet_pton(AF_INET6, L->IPAddr.c_str(), &n) < 1) ipvalid = false; } else #endif { in_addr n; if (inet_aton(L->IPAddr.c_str(),&n) < 1) ipvalid = false; } if (!ipvalid) { try { bool cached; SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L->IPAddr, *L, cached, start_type); ServerInstance->AddResolver(sr, cached); } catch (...) { } } } } } void SpanningTreeUtilities::ReadConfiguration(bool rebind) { ConfigReader* Conf = new ConfigReader(ServerInstance); if (rebind) { for (int j = 0; j < Conf->Enumerate("bind"); j++) { std::string Type = Conf->ReadValue("bind","type",j); std::string IP = Conf->ReadValue("bind","address",j); std::string Port = Conf->ReadValue("bind","port",j); std::string transport = Conf->ReadValue("bind","transport",j); if (Type == "servers") { irc::portparser portrange(Port, false); int portno = -1; while ((portno = portrange.GetToken())) { if (IP == "*") IP.clear(); if ((!transport.empty()) && (hooks.find(transport.c_str()) == hooks.end())) { ServerInstance->Log(DEFAULT,"m_spanningtree: WARNING: Can't find transport type '%s' for port %s:%s - maybe you forgot to load it BEFORE m_spanningtree in your config file? - Skipping this port binding", transport.c_str(), IP.c_str(), Port.c_str()); break; } TreeSocket* listener = new TreeSocket(this, ServerInstance, IP.c_str(), portno, true, 10, transport.empty() ? NULL : hooks[transport.c_str()]); if (listener->GetState() == I_LISTENING) { ServerInstance->Log(DEFAULT,"m_spanningtree: Binding server port %s:%d successful!", IP.c_str(), portno); Bindings.push_back(listener); } else { ServerInstance->Log(DEFAULT,"m_spanningtree: Warning: Failed to bind server port: %s:%d: %s",IP.c_str(), portno, strerror(errno)); listener->Close(); DELETE(listener); } } } } } FlatLinks = Conf->ReadFlag("options","flatlinks",0); HideULines = Conf->ReadFlag("options","hideulines",0); AnnounceTSChange = Conf->ReadFlag("options","announcets",0); EnableTimeSync = Conf->ReadFlag("timesync","enable",0); MasterTime = Conf->ReadFlag("timesync", "master", 0); ChallengeResponse = !Conf->ReadFlag("options", "disablehmac", 0); quiet_bursts = Conf->ReadFlag("options", "quietbursts", 0); PingWarnTime = Conf->ReadInteger("options", "pingwarning", 0, true); if (PingWarnTime < 0 || PingWarnTime > 59) PingWarnTime = 0; LinkBlocks.clear(); ValidIPs.clear(); for (int j = 0; j < Conf->Enumerate("link"); j++) { Link L; std::string Allow = Conf->ReadValue("link", "allowmask", j); L.Name = (Conf->ReadValue("link", "name", j)).c_str(); L.AllowMask = Allow; L.IPAddr = Conf->ReadValue("link", "ipaddr", j); L.FailOver = Conf->ReadValue("link", "failover", j).c_str(); L.Port = Conf->ReadInteger("link", "port", j, true); L.SendPass = Conf->ReadValue("link", "sendpass", j); L.RecvPass = Conf->ReadValue("link", "recvpass", j); L.AutoConnect = Conf->ReadInteger("link", "autoconnect", j, true); L.HiddenFromStats = Conf->ReadFlag("link", "statshidden", j); L.Timeout = Conf->ReadInteger("link", "timeout", j, true); L.Hook = Conf->ReadValue("link", "transport", j); L.Bind = Conf->ReadValue("link", "bind", j); L.Hidden = Conf->ReadFlag("link", "hidden", j); if ((!L.Hook.empty()) && (hooks.find(L.Hook.c_str()) == hooks.end())) { ServerInstance->Log(DEFAULT,"m_spanningtree: WARNING: Can't find transport type '%s' for link '%s' - maybe you forgot to load it BEFORE m_spanningtree in your config file? Skipping tag completely.", L.Hook.c_str(), L.Name.c_str()); continue; } L.NextConnectTime = time(NULL) + L.AutoConnect; /* Bugfix by brain, do not allow people to enter bad configurations */ if (L.Name != ServerInstance->Config->ServerName) { if ((!L.IPAddr.empty()) && (!L.RecvPass.empty()) && (!L.SendPass.empty()) && (!L.Name.empty()) && (L.Port)) { ValidIPs.push_back(L.IPAddr); if (Allow.length()) ValidIPs.push_back(Allow); /* Needs resolving */ bool ipvalid = true; QueryType start_type = DNS_QUERY_A; #ifdef IPV6 start_type = DNS_QUERY_AAAA; if (strchr(L.IPAddr.c_str(),':')) { in6_addr n; if (inet_pton(AF_INET6, L.IPAddr.c_str(), &n) < 1) ipvalid = false; } else { in_addr n; if (inet_aton(L.IPAddr.c_str(),&n) < 1) ipvalid = false; } #else in_addr n; if (inet_aton(L.IPAddr.c_str(),&n) < 1) ipvalid = false; #endif if (!ipvalid) { try { bool cached; SecurityIPResolver* sr = new SecurityIPResolver((Module*)this->Creator, this, ServerInstance, L.IPAddr, L, cached, start_type); ServerInstance->AddResolver(sr, cached); } catch (...) { } } LinkBlocks.push_back(L); } else { if (L.IPAddr.empty()) { ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', IP address not defined!",L.Name.c_str()); } else if (L.RecvPass.empty()) { ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', recvpass not defined!",L.Name.c_str()); } else if (L.SendPass.empty()) { ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', sendpass not defined!",L.Name.c_str()); } else if (L.Name.empty()) { ServerInstance->Log(DEFAULT,"Invalid configuration, link tag without a name!"); } else if (!L.Port) { ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', no port specified!",L.Name.c_str()); } } } else { ServerInstance->Log(DEFAULT,"Invalid configuration for server '%s', link tag has the same server name as the local server!",L.Name.c_str()); } } DELETE(Conf); } void SpanningTreeUtilities::DoFailOver(Link* x) { if (x->FailOver.length()) { if (x->FailOver == x->Name) { ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Some muppet configured the failover for server \002%s\002 to point at itself. Not following it!", x->Name.c_str()); return; } Link* TryThisOne = this->FindLink(x->FailOver.c_str()); if (TryThisOne) { ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Trying failover link for \002%s\002: \002%s\002...", x->Name.c_str(), TryThisOne->Name.c_str()); Creator->ConnectServer(TryThisOne); } else { ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Invalid failover server specified for server \002%s\002, will not follow!", x->Name.c_str()); } } } Link* SpanningTreeUtilities::FindLink(const std::string& name) { for (std::vector::iterator x = LinkBlocks.begin(); x < LinkBlocks.end(); x++) { if (ServerInstance->MatchText(x->Name.c_str(), name.c_str())) { return &(*x); } } return NULL; } \ No newline at end of file diff --git a/src/modules/m_spanningtree/utils.h b/src/modules/m_spanningtree/utils.h index cb783a81a..48146e89e 100644 --- a/src/modules/m_spanningtree/utils.h +++ b/src/modules/m_spanningtree/utils.h @@ -1,194 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#ifndef __ST__UTIL__ -#define __ST__UTIL__ - -#include "configreader.h" -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "inspircd.h" - -/* Foward declarations */ -class TreeServer; -class TreeSocket; -class Link; -class ModuleSpanningTree; - -/* This hash_map holds the hash equivalent of the server - * tree, used for rapid linear lookups. - */ -#ifdef WINDOWS -typedef nspace::hash_map > > server_hash; -#else -typedef nspace::hash_map, irc::StrHashComp> server_hash; -#endif - -typedef std::map TreeServerList; - -/** A group of modules that implement InspSocketHook - * that we can use to hook our server to server connections. - */ -typedef std::map hookmodules; - -/** Contains helper functions and variables for this module, - * and keeps them out of the global namespace - */ -class SpanningTreeUtilities -{ - private: - /** Creator server - */ - InspIRCd* ServerInstance; - public: - /** Creator module - */ - ModuleSpanningTree* Creator; - /** Remote servers that are currently bursting - */ - server_hash RemoteServersBursting; - /** Flatten links and /MAP for non-opers - */ - bool FlatLinks; - /** Hide U-Lined servers in /MAP and /LINKS - */ - bool HideULines; - /** Announce TS changes to channels on merge - */ - bool AnnounceTSChange; - /** Synchronize timestamps between servers - */ - bool EnableTimeSync; - /** Make snomasks +CQ quiet during bursts and splits - */ - bool quiet_bursts; - /** Socket bindings for listening sockets - */ - std::vector Bindings; - /* Number of seconds that a server can go without ping - * before opers are warned of high latency. - */ - int PingWarnTime; - /** This variable represents the root of the server tree - */ - TreeServer *TreeRoot; - /** IPs allowed to link to us - */ - std::vector ValidIPs; - /** Hash of currently connected servers by name - */ - server_hash serverlist; - /** Hash of servers currently bursting but not initialized as connected - */ - std::map burstingserverlist; - /** Holds the data from the tags in the conf - */ - std::vector LinkBlocks; - /** Holds a bitmask of queued xline types waiting to be applied. - * Will be a mask containing values APPLY_GLINES, APPLY_KLINES, - * APPLY_QLINES and APPLY_ZLINES. - */ - int lines_to_apply; - - /** If this is true, this server is the master sync server for time - * synching - e.g. it is the server with its clock correct. It will - * send out the correct time at intervals. - */ - bool MasterTime; - - /** List of module pointers which can provide I/O abstraction - */ - hookmodules hooks; - - /** List of module names which can provide I/O abstraction - */ - std::vector hooknames; - - /** True (default) if we are to use challenge-response HMAC - * to authenticate passwords. - * - * NOTE: This defaults to on, but should be turned off if - * you are linking to an older version of inspircd. - */ - bool ChallengeResponse; - - /** Initialise utility class - */ - SpanningTreeUtilities(InspIRCd* Instance, ModuleSpanningTree* Creator); - /** Destroy class and free listeners etc - */ - ~SpanningTreeUtilities(); - /** Send a message from this server to one other local or remote - */ - bool DoOneToOne(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string target); - /** Send a message from this server to all but one other, local or remote - */ - bool DoOneToAllButSender(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string omit); - /** Send a message from this server to all but one other, local or remote - */ - bool DoOneToAllButSender(const char* prefix, const char* command, std::deque ¶ms, std::string omit); - /** Send a message from this server to all others - */ - bool DoOneToMany(const std::string &prefix, const std::string &command, std::deque ¶ms); - /** Send a message from this server to all others - */ - bool DoOneToMany(const char* prefix, const char* command, std::deque ¶ms); - /** Send a message from this server to all others, without doing any processing on the command (e.g. send it as-is with colons and all) - */ - bool DoOneToAllButSenderRaw(const std::string &data, const std::string &omit, const std::string &prefix, const irc::string &command, std::deque ¶ms); - /** Read the spanningtree module's tags from the config file - */ - void ReadConfiguration(bool rebind); - /** Add a server to the server list for GetListOfServersForChannel - */ - void AddThisServer(TreeServer* server, TreeServerList &list); - /** Compile a list of servers which contain members of channel c - */ - void GetListOfServersForChannel(chanrec* c, TreeServerList &list, char status, const CUList &exempt_list); - /** Find a server by name - */ - TreeServer* FindServer(const std::string &ServerName); - /** Find a remote bursting server by name - */ - TreeServer* FindRemoteBurstServer(TreeServer* Server); - /** Set a remote server to bursting or not bursting - */ - void SetRemoteBursting(TreeServer* Server, bool bursting); - /** Find a route to a server by name - */ - TreeServer* BestRouteTo(const std::string &ServerName); - /** Find a server by glob mask - */ - TreeServer* FindServerMask(const std::string &ServerName); - /** Returns true if this is a server name we recognise - */ - bool IsServer(const std::string &ServerName); - /** Attempt to connect to the failover link of link x - */ - void DoFailOver(Link* x); - /** Find a link tag from a server name - */ - Link* FindLink(const std::string& name); - /** Refresh the IP cache used for allowing inbound connections - */ - void RefreshIPCache(); - - TreeSocket* FindBurstingServer(const std::string &ServerName); - - void AddBurstingServer(const std::string &ServerName, TreeSocket* s); - - void DelBurstingServer(TreeSocket* s); -}; - -#endif +/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __ST__UTIL__ #define __ST__UTIL__ #include "configreader.h" #include "users.h" #include "channels.h" #include "modules.h" #include "inspircd.h" /* Foward declarations */ class TreeServer; class TreeSocket; class Link; class ModuleSpanningTree; /* This hash_map holds the hash equivalent of the server * tree, used for rapid linear lookups. */ #ifdef WINDOWS typedef nspace::hash_map > > server_hash; #else typedef nspace::hash_map, irc::StrHashComp> server_hash; #endif typedef std::map TreeServerList; /** A group of modules that implement InspSocketHook * that we can use to hook our server to server connections. */ typedef std::map hookmodules; /** Contains helper functions and variables for this module, * and keeps them out of the global namespace */ class SpanningTreeUtilities { private: /** Creator server */ InspIRCd* ServerInstance; public: /** Creator module */ ModuleSpanningTree* Creator; /** Remote servers that are currently bursting */ server_hash RemoteServersBursting; /** Flatten links and /MAP for non-opers */ bool FlatLinks; /** Hide U-Lined servers in /MAP and /LINKS */ bool HideULines; /** Announce TS changes to channels on merge */ bool AnnounceTSChange; /** Synchronize timestamps between servers */ bool EnableTimeSync; /** Make snomasks +CQ quiet during bursts and splits */ bool quiet_bursts; /** Socket bindings for listening sockets */ std::vector Bindings; /* Number of seconds that a server can go without ping * before opers are warned of high latency. */ int PingWarnTime; /** This variable represents the root of the server tree */ TreeServer *TreeRoot; /** IPs allowed to link to us */ std::vector ValidIPs; /** Hash of currently connected servers by name */ server_hash serverlist; /** Hash of servers currently bursting but not initialized as connected */ std::map burstingserverlist; /** Holds the data from the tags in the conf */ std::vector LinkBlocks; /** Holds a bitmask of queued xline types waiting to be applied. * Will be a mask containing values APPLY_GLINES, APPLY_KLINES, * APPLY_QLINES and APPLY_ZLINES. */ int lines_to_apply; /** If this is true, this server is the master sync server for time * synching - e.g. it is the server with its clock correct. It will * send out the correct time at intervals. */ bool MasterTime; /** List of module pointers which can provide I/O abstraction */ hookmodules hooks; /** List of module names which can provide I/O abstraction */ std::vector hooknames; /** True (default) if we are to use challenge-response HMAC * to authenticate passwords. * * NOTE: This defaults to on, but should be turned off if * you are linking to an older version of inspircd. */ bool ChallengeResponse; /** Initialise utility class */ SpanningTreeUtilities(InspIRCd* Instance, ModuleSpanningTree* Creator); /** Destroy class and free listeners etc */ ~SpanningTreeUtilities(); /** Send a message from this server to one other local or remote */ bool DoOneToOne(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string target); /** Send a message from this server to all but one other, local or remote */ bool DoOneToAllButSender(const std::string &prefix, const std::string &command, std::deque ¶ms, std::string omit); /** Send a message from this server to all but one other, local or remote */ bool DoOneToAllButSender(const char* prefix, const char* command, std::deque ¶ms, std::string omit); /** Send a message from this server to all others */ bool DoOneToMany(const std::string &prefix, const std::string &command, std::deque ¶ms); /** Send a message from this server to all others */ bool DoOneToMany(const char* prefix, const char* command, std::deque ¶ms); /** Send a message from this server to all others, without doing any processing on the command (e.g. send it as-is with colons and all) */ bool DoOneToAllButSenderRaw(const std::string &data, const std::string &omit, const std::string &prefix, const irc::string &command, std::deque ¶ms); /** Read the spanningtree module's tags from the config file */ void ReadConfiguration(bool rebind); /** Add a server to the server list for GetListOfServersForChannel */ void AddThisServer(TreeServer* server, TreeServerList &list); /** Compile a list of servers which contain members of channel c */ void GetListOfServersForChannel(chanrec* c, TreeServerList &list, char status, const CUList &exempt_list); /** Find a server by name */ TreeServer* FindServer(const std::string &ServerName); /** Find a remote bursting server by name */ TreeServer* FindRemoteBurstServer(TreeServer* Server); /** Set a remote server to bursting or not bursting */ void SetRemoteBursting(TreeServer* Server, bool bursting); /** Find a route to a server by name */ TreeServer* BestRouteTo(const std::string &ServerName); /** Find a server by glob mask */ TreeServer* FindServerMask(const std::string &ServerName); /** Returns true if this is a server name we recognise */ bool IsServer(const std::string &ServerName); /** Attempt to connect to the failover link of link x */ void DoFailOver(Link* x); /** Find a link tag from a server name */ Link* FindLink(const std::string& name); /** Refresh the IP cache used for allowing inbound connections */ void RefreshIPCache(); TreeSocket* FindBurstingServer(const std::string &ServerName); void AddBurstingServer(const std::string &ServerName, TreeSocket* s); void DelBurstingServer(TreeSocket* s); }; #endif \ No newline at end of file -- cgit v1.2.3