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/* +------------------------------------+
* | 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<Link>::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<Link>::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 ? "<hidden>" : 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<std::string> 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 ? "<hidden>" : 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string> params;
params.push_back(host);
params.push_back(sduration);
params.push_back(":"+reason);
Utils->DoOneToMany(source->nick,stype,params);
}
else
{
std::deque<std::string> 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<std::string> 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<std::string> 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<std::string> 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<std::string>* params = (std::deque<std::string>*)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)
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