diff options
Diffstat (limited to 'src/modules/m_spanningtree/main.cpp')
| -rw-r--r-- | src/modules/m_spanningtree/main.cpp | 2909 |
1 files changed, 0 insertions, 2909 deletions
diff --git a/src/modules/m_spanningtree/main.cpp b/src/modules/m_spanningtree/main.cpp index da0e61786..af827fa96 100644 --- a/src/modules/m_spanningtree/main.cpp +++ b/src/modules/m_spanningtree/main.cpp @@ -31,34 +31,6 @@ #include "m_spanningtree/link.h" #include "m_spanningtree/treesocket.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 = 1103; - -/* Foward declarations */ -class ModuleSpanningTree; - -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); - virtual void Tick(time_t TIME); -}; - - /** Handle /RCONNECT */ class cmd_rconnect : public command_t @@ -100,2863 +72,6 @@ class cmd_rconnect : public command_t } }; - -/** 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; - 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, std::string ServerName, Module* HookMod) - : InspSocket(SI, host, port, listening, maxtime), Utils(Util), Hook(HookMod) -{ - myhost = ServerName; - 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; - /* 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)); - } - else - { - /* Otherwise, theres no lower layer transport in plain TCP/IP, - * so just send the capabilities right now. - */ - this->SendCapabilities(); - } -} - -ServerState TreeSocket::GetLinkState() -{ - return this->LinkState; -} - -Module* TreeSocket::GetHook() -{ - return this->Hook; -} - -TreeSocket::~TreeSocket() -{ - if (Hook) - InspSocketUnhookRequest(this, (Module*)Utils->Creator, Hook).Send(); -} - -/** 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<Link>::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 ? "<hidden>" : this->GetIP())+"] started."); - if (Hook) - { - InspSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send(); - this->Instance->SNO->WriteToSnoMask('l',"Connection to \2"+myhost+"\2["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] using transport \2"+x->Hook+"\2"); - } - else - this->SendCapabilities(); - /* found who we're supposed to be connecting to, send the neccessary gubbins. */ - if (Hook) - Instance->Timers->AddTimer(new HandshakeTimer(Instance, this, &(*x), this->Utils)); - else - this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+x->SendPass+" 0 :"+this->Instance->Config->ServerDesc); - return true; - } - } - } - /* There is a (remote) chance that between the /CONNECT and the connection - * being accepted, some muppet has removed the <link> 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) -{ - /* We don't handle this method, because all our - * dirty work is done in OnClose() (see below) - * which is still called on error conditions too. - */ - if (e == I_ERR_CONNECT) - { - this->Instance->SNO->WriteToSnoMask('l',"Connection failed: Connection to \002"+myhost+"\002 refused"); - Link* MyLink = Utils->FindLink(myhost); - if (MyLink) - Utils->DoFailOver(MyLink); - } -} - -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<std::string> 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; -} - -void TreeSocket::SendCapabilities() -{ - 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 - 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)); - - 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; -} - -bool TreeSocket::Capab(const std::deque<std::string> ¶ms) -{ - if (params.size() < 1) - { - this->WriteLine("ERROR :Invalid number of parameters for CAPAB - Mismatched version"); - return false; - } - if (params[0] == "START") - { - this->ModuleList = ""; - 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; - } - 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("NICKMAX") == this->CapKeys.end()) || ((this->CapKeys.find("NICKMAX") != this->CapKeys.end()) && (this->CapKeys.find("NICKMAX")->second != ConvToStr(NICKMAX))))) - reason = "Maximum nickname lengths differ or remote nickname length not specified"; - 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("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"; - if (((this->CapKeys.find("IDENTMAX") == this->CapKeys.end()) || ((this->CapKeys.find("IDENTMAX") != this->CapKeys.end()) && (this->CapKeys.find("IDENTMAX")->second != ConvToStr(IDENTMAX))))) - reason = "Maximum ident lengths differ or remote ident length not specified"; - if (((this->CapKeys.find("CHANMAX") == this->CapKeys.end()) || ((this->CapKeys.find("CHANMAX") != this->CapKeys.end()) && (this->CapKeys.find("CHANMAX")->second != ConvToStr(CHANMAX))))) - reason = "Maximum channel lengths differ or remote channel length not specified"; - if (((this->CapKeys.find("MAXMODES") == this->CapKeys.end()) || ((this->CapKeys.find("MAXMODES") != this->CapKeys.end()) && (this->CapKeys.find("MAXMODES")->second != ConvToStr(MAXMODES))))) - reason = "Maximum modes per line differ or remote modes per line not specified"; - if (((this->CapKeys.find("MAXQUIT") == this->CapKeys.end()) || ((this->CapKeys.find("MAXQUIT") != this->CapKeys.end()) && (this->CapKeys.find("MAXQUIT")->second != ConvToStr(MAXQUIT))))) - reason = "Maximum quit lengths differ or remote quit length not specified"; - if (((this->CapKeys.find("MAXTOPIC") == this->CapKeys.end()) || ((this->CapKeys.find("MAXTOPIC") != this->CapKeys.end()) && (this->CapKeys.find("MAXTOPIC")->second != ConvToStr(MAXTOPIC))))) - reason = "Maximum topic lengths differ or remote topic length not specified"; - if (((this->CapKeys.find("MAXKICK") == this->CapKeys.end()) || ((this->CapKeys.find("MAXKICK") != this->CapKeys.end()) && (this->CapKeys.find("MAXKICK")->second != ConvToStr(MAXKICK))))) - reason = "Maximum kick lengths differ or remote kick length not specified"; - if (((this->CapKeys.find("MAXGECOS") == this->CapKeys.end()) || ((this->CapKeys.find("MAXGECOS") != this->CapKeys.end()) && (this->CapKeys.find("MAXGECOS")->second != ConvToStr(MAXGECOS))))) - reason = "Maximum GECOS (fullname) lengths differ or remote GECOS length not specified"; - if (((this->CapKeys.find("MAXAWAY") == this->CapKeys.end()) || ((this->CapKeys.find("MAXAWAY") != this->CapKeys.end()) && (this->CapKeys.find("MAXAWAY")->second != ConvToStr(MAXAWAY))))) - reason = "Maximum awaymessage lengths differ or remote awaymessage length not specified"; - if (reason.length()) - { - this->WriteLine("ERROR :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 = "*"; - while ((item = capabs.GetToken()) != "") - { - /* 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<std::string> 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->WriteOpers("Server \002"+Current->GetName()+"\002 split: "+reason); - } - else - { - this->Instance->WriteOpers("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->WriteOpers("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<std::string> ¶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; - } - - /* TS is equal: Merge the mode changes, use voooodoooooo on modes - * with parameters. - */ - if (TS == ourTS) - { - ModeHandler* mh = NULL; - unsigned long paramptr = 3; - std::string to_bounce = ""; - std::string to_keep = ""; - std::vector<std::string> params_to_keep; - std::string params_to_bounce = ""; - bool adding = true; - char cur_change = 1; - char old_change = 0; - char old_bounce_change = 0; - /* Merge modes, basically do special stuff to mode with params */ - for (std::string::iterator x = params[2].begin(); x != params[2].end(); x++) - { - switch (*x) - { - case '-': - adding = false; - break; - case '+': - adding = true; - break; - default: - if (adding) - { - /* We only care about whats being set, - * not whats being unset - */ - mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER); - if ((mh) && (mh->GetNumParams(adding) > 0) && (!mh->IsListMode())) - { - /* We only want to do special things to - * modes with parameters, we are going to rewrite - * those parameters - */ - ModePair ret; - adding ? cur_change = '+' : cur_change = '-'; - ret = mh->ModeSet(smode ? NULL : who, dst, chan, params[paramptr]); - /* The mode is set here, check which we should keep */ - if (ret.first) - { - bool which_to_keep = mh->CheckTimeStamp(TS, ourTS, params[paramptr], ret.second, chan); - if (which_to_keep == true) - { - /* Keep ours, bounce theirs: - * Send back ours to them and - * drop their mode changs - */ - adding ? cur_change = '+' : cur_change = '-'; - if (cur_change != old_bounce_change) - to_bounce += cur_change; - to_bounce += *x; - old_bounce_change = cur_change; - if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size())) - params_to_bounce.append(" ").append(ret.second); - } - else - { - /* Keep theirs: Accept their mode change, - * do nothing else - */ - adding ? cur_change = '+' : cur_change = '-'; - if (cur_change != old_change) - to_keep += cur_change; - to_keep += *x; - old_change = cur_change; - if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size())) - params_to_keep.push_back(params[paramptr]); - } - } - else - { - /* Mode isnt set here, we want it */ - adding ? cur_change = '+' : cur_change = '-'; - if (cur_change != old_change) - to_keep += cur_change; - to_keep += *x; - old_change = cur_change; - if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size())) - params_to_keep.push_back(params[paramptr]); - } - paramptr++; - } - else - { - mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER); - if (mh) - { - adding ? cur_change = '+' : cur_change = '-'; - - /* Just keep this, safe to merge with no checks - * it has no parameters - */ - - if (cur_change != old_change) - to_keep += cur_change; - to_keep += *x; - old_change = cur_change; - - if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size())) - { - params_to_keep.push_back(params[paramptr++]); - } - } - } - } - else - { - mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER); - if (mh) - { - /* Taking a mode away */ - adding ? cur_change = '+' : cur_change = '-'; - if (cur_change != old_change) - to_keep += cur_change; - to_keep += *x; - old_change = cur_change; - if ((mh->GetNumParams(adding) > 0) && (paramptr < params.size())) - params_to_keep.push_back(params[paramptr++]); - } - } - break; - } - } - if (to_bounce.length()) - { - std::deque<std::string> newparams; - newparams.push_back(params[0]); - newparams.push_back(ConvToStr(ourTS)); - newparams.push_back(to_bounce+params_to_bounce); - Utils->DoOneToOne(this->Instance->Config->ServerName,"FMODE",newparams,sourceserv); - } - if (to_keep.length()) - { - unsigned int n = 2; - unsigned int q = 0; - modelist[0] = params[0].c_str(); - modelist[1] = to_keep.c_str(); - if (params_to_keep.size() > 0) - { - for (q = 0; (q < params_to_keep.size()) && (q < 64); q++) - { - modelist[n++] = params_to_keep[q].c_str(); - } - } - 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); - } - } - else - /* U-lined servers always win regardless of their TS */ - if ((TS > ourTS) && (!this->Instance->ULine(source.c_str()))) - { - /* Bounce the mode back to its sender.* We use our lower TS, so the other end - * SHOULD accept it, if its clock is right. - * - * NOTE: We should check that we arent bouncing anything thats already set at this end. - * If we are, bounce +ourmode to 'reinforce' it. This prevents desyncs. - * e.g. They send +l 50, we have +l 10 set. rather than bounce -l 50, we bounce +l 10. - * - * Thanks to jilles for pointing out this one-hell-of-an-issue before i even finished - * writing the code. It took me a while to come up with this solution. - * - * XXX: BE SURE YOU UNDERSTAND THIS CODE FULLY BEFORE YOU MESS WITH IT. - */ - std::deque<std::string> newparams; /* New parameter list we send back */ - newparams.push_back(params[0]); /* Target, user or channel */ - newparams.push_back(ConvToStr(ourTS)); /* Timestamp value of the target */ - newparams.push_back(""); /* This contains the mode string. For now - * it's empty, we fill it below. - */ - /* Intelligent mode bouncing. Don't just invert, reinforce any modes which are already - * set to avoid a desync here. - */ - std::string modebounce = ""; - bool adding = true; - unsigned int t = 3; - ModeHandler* mh = NULL; - char cur_change = 1; - char old_change = 0; - for (std::string::iterator x = params[2].begin(); x != params[2].end(); x++) - { - /* Iterate over all mode chars in the sent set */ - switch (*x) - { - /* Adding or subtracting modes? */ - case '-': - adding = false; - break; - case '+': - adding = true; - break; - default: - /* Find the mode handler for this mode */ - mh = this->Instance->Modes->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER); - /* Got a mode handler? - * This also prevents us bouncing modes we have no handler for. - */ - if (mh) - { - ModePair ret; - std::string p = ""; - /* Does the mode require a parameter right now? - * If it does, fetch it if we can - */ - if ((mh->GetNumParams(adding) > 0) && (t < params.size())) - p = params[t++]; - /* Call the ModeSet method to determine if its set with the - * given parameter here or not. - */ - ret = mh->ModeSet(smode ? NULL : who, dst, chan, p); - /* XXX: Really. Dont ask. - * Determine from if its set combined with what the current - * 'state' is (adding or not) as to wether we should 'invert' - * or 'reinforce' the mode change - */ - (!ret.first ? (adding ? cur_change = '-' : cur_change = '+') : (!adding ? cur_change = '-' : cur_change = '+')); - /* Quickly determine if we have 'flipped' from + to -, - * or - to +, to prevent unneccessary +/- chars in the - * output string that waste bandwidth - */ - if (cur_change != old_change) - modebounce += cur_change; - old_change = cur_change; - /* Add the mode character to the output string */ - modebounce += mh->GetModeChar(); - /* We got a parameter back from ModeHandler::ModeSet, - * are we supposed to be sending one out right now? - */ - if (ret.second.length()) - { - if (mh->GetNumParams(cur_change == '+') > 0) - /* Yes we're supposed to be sending out - * the parameter. Make sure it goes - */ - newparams.push_back(ret.second); - } - } - break; - } - } - - /* Update the parameters for FMODE with the new 'bounced' string */ - newparams[2] = modebounce; - /* Only send it back the way it came, no need to send it anywhere else */ - Utils->DoOneToOne(this->Instance->Config->ServerName,"FMODE",newparams,sourceserv); - } - else - { - /* The server was ulined, but something iffy is up with the TS. - * Sound the alarm bells! - */ - if ((this->Instance->ULine(sourceserv.c_str())) && (TS > ourTS)) - { - this->Instance->WriteOpers("\2WARNING!\2 U-Lined server '%s' has bad TS for '%s' (accepted change): \2SYNC YOUR CLOCKS\2 to avoid this notice",sourceserv.c_str(),params[0].c_str()); - } - /* Allow the mode, route it to either server or user command handling */ - 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); - } - /* Are we supposed to free the userrec? */ - if (smode) - DELETE(who); - - return true; -} - -/** FTOPIC command */ -bool TreeSocket::ForceTopic(const std::string &source, std::deque<std::string> ¶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(),NICKMAX-1); - 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(source.c_str(), "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<std::string> ¶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 privilage - * modes from all of its users that currently exist in the channel, before - * introducing new users into the channel which are listed in the FJOIN - * command's parameters. This means, all modes +ohv, and privilages added - * by modules, such as +qa. 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 loser - * then sends out a set of FMODE commands which 'confirm' that it just - * removed all privilage modes from its existing users, which allows for - * services packages to still work correctly without needing to know the - * timestamping rules which InspIRCd follows. In TS6 servers this is always - * a problem, and services packages must contain code which explicitly - * behaves as TS6 does, removing ops from the losing side of a split where - * neccessary within its internal records, as this state information is - * not explicitly echoed out in that protocol. - * - * 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; - - char first[MAXBUF]; /* The first parameter of the mode command */ - char modestring[MAXBUF]; /* The mode sequence (2nd parameter) of the mode command */ - char* mode_users[127]; /* The values used by the mode command */ - memset(&mode_users,0,sizeof(mode_users)); /* Initialize mode parameters */ - mode_users[0] = first; /* Set this up to be our on-stack value */ - mode_users[1] = modestring; /* Same here as above */ - strcpy(modestring,"+"); /* Initialize the mode sequence to just '+' */ - unsigned int modectr = 2; /* Pointer to the third mode parameter (e.g. the one after the +-sequence) */ - - 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 */ - bool created = false; - - /* Try and find the channel */ - chanrec* chan = this->Instance->FindChan(channel); - - /* Initialize channel name in the mode parameters */ - strlcpy(mode_users[0],channel.c_str(),MAXBUF); - - /* default TS is a high value, which if we dont have this - * channel will let the other side apply their modes. - */ - time_t ourTS = Instance->Time(true)+600; - /* Does this channel exist? if it does, get its REAL timestamp */ - if (chan) - ourTS = chan->age; - else - created = true; /* don't perform deops, and set TS to correct time after processing. */ - /* In 1.1, if they have the newer channel, we immediately clear - * all status modes from our users. We then accept their modes. - * If WE have the newer channel its the other side's job to do this. - * Note that this causes the losing server to send out confirming - * FMODE lines. - */ - if (ourTS > TS) - { - std::deque<std::string> param_list; - /* Lower the TS here */ - 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; - /* Zap all the privilage modes on our side, if the channel exists here */ - if (!created) - { - param_list.push_back(channel); - /* Do this first! */ - chan->age = TS; - this->RemoveStatus(Instance->Config->ServerName, param_list); - } - } - /* Put the final parameter of the FJOIN into a tokenstream ready to split it */ - irc::tokenstream users(params[2]); - std::string item = "*"; - /* do this first, so our mode reversals are correctly received by other servers - * if there is a TS collision. - */ - params[2] = ":" + params[2]; - Utils->DoOneToAllButSender(source,"FJOIN",params,source); - /* Now, process every 'prefixes,nick' pair */ - while (item != "") - { - /* Find next user */ - item = users.GetToken(); - const char* usr = item.c_str(); - /* Safety check just to make sure someones not sent us an FJOIN full of spaces - * (is this even possible?) */ - if (usr && *usr) - { - const char* permissions = usr; - int ntimes = 0; - char* nm = new char[MAXBUF]; - char* tnm = nm; - /* Iterate through all the prefix values, convert them from prefixes - * to mode letters, and append them to the mode sequence - */ - while ((*permissions) && (*permissions != ',') && (ntimes < MAXBUF)) - { - ModeHandler* mh = Instance->Modes->FindPrefix(*permissions); - if (mh) - { - /* This is a valid prefix */ - ntimes++; - *tnm++ = mh->GetModeChar(); - } - else - { - /* Not a valid prefix... - * danger bill bobbertson! (that's will robinsons older brother ;-) ...) - */ - this->Instance->WriteOpers("ERROR: We received a user with an unknown prefix '%c'. Closed connection to avoid a desync.",*permissions); - this->WriteLine(std::string("ERROR :Invalid prefix '")+(*permissions)+"' in FJOIN"); - return false; - } - usr++; - permissions++; - } - /* Null terminate modes */ - *tnm = 0; - /* Advance past the comma, to the nick */ - usr++; - /* Check the user actually exists */ - who = this->Instance->FindNick(usr); - if (who) - { - /* Did they get any modes? How many times? */ - strlcat(modestring, nm, MAXBUF); - for (int k = 0; k < ntimes; k++) - mode_users[modectr++] = strdup(usr); - /* Free temporary buffer used for mode sequence */ - delete[] nm; - /* Check that the user's 'direction' is correct - * based on the server sending the FJOIN. We must - * check each nickname in turn, because the origin of - * the FJOIN may be different to the origin of the nicks - * in the command itself. - */ - TreeServer* route_back_again = Utils->BestRouteTo(who->server); - if ((!route_back_again) || (route_back_again->GetSocket() != this)) - { - /* Oh dear oh dear. */ - continue; - } - /* Finally, we can actually place the user into the channel. - * We're sure its right. Final answer, phone a friend. - */ - chanrec::JoinUser(this->Instance, who, channel.c_str(), true, ""); - /* Have we already queued up MAXMODES modes with parameters - * (+qaohv) ready to be sent to the server? - */ - if (modectr >= (MAXMODES-1)) - { - /* Only actually give the users any status if we lost - * the FJOIN or drew (equal timestamps). - * It isn't actually possible for ourTS to be > TS here, - * only possible to actually have ourTS == TS, or - * ourTS < TS, because if we lost, we already lowered - * our TS above before we entered this loop. We only - * check >= as a safety measure, in case someone stuffed - * up. If someone DID stuff up, it was most likely me. - * Note: I do not like baseball bats in the face... - */ - if (ourTS >= TS) - { - this->Instance->SendMode((const char**)mode_users,modectr,who); - - /* Something stuffed up, and for some reason, the timestamp is - * NOT lowered right now and should be. Lower it. Usually this - * code won't be executed, doubtless someone will remove it some - * day soon. - */ - if (ourTS > TS) - { - Instance->Log(DEFAULT,"Channel TS for %s changed from %lu to %lu",chan->name,ourTS,TS); - chan->age = TS; - ourTS = TS; - } - } - - /* Reset all this back to defaults, and - * free any ram we have left allocated. - */ - strcpy(mode_users[1],"+"); - for (unsigned int f = 2; f < modectr; f++) - free(mode_users[f]); - modectr = 2; - } - } - else - { - /* Remember to free this */ - delete[] nm; - /* If we got here, there's a nick in FJOIN which doesnt exist on this server. - * We don't try to process the nickname here (that WOULD cause a segfault because - * we'd be playing with null pointers) however, we DO pass the nickname on, just - * in case somehow we're desynched, so that other users which might be able to see - * the nickname get their fair chance to process it. - */ - Instance->Log(SPARSE,"Warning! Invalid user in FJOIN to channel %s IGNORED", channel.c_str()); - continue; - } - } - } - - /* there werent enough modes built up to flush it during FJOIN, - * or, there are a number left over. flush them out. - */ - if ((modectr > 2) && (who) && (chan)) - { - if (ourTS >= TS) - { - /* Our channel is newer than theirs. Evil deeds must be afoot. */ - this->Instance->SendMode((const char**)mode_users,modectr,who); - /* Yet again, we can't actually get a true value here, if everything else - * is working as it should. - */ - if (ourTS > TS) - { - Instance->Log(DEFAULT,"Channel TS for %s changed from %lu to %lu",chan->name,ourTS,TS); - chan->age = TS; - ourTS = TS; - } - } - - /* Free anything we have left to free */ - for (unsigned int f = 2; f < modectr; f++) - free(mode_users[f]); - } - /* if we newly created the channel, set it's TS properly. */ - if (created) - { - /* find created channel .. */ - chan = this->Instance->FindChan(channel); - if (chan) - /* w00t said this shouldnt be needed but it is. - * This isnt strictly true, as chan can be NULL - * if a nick collision has occured and therefore - * the channel was never created. - */ - chan->age = TS; - } - /* All done. That wasnt so bad was it, you can wipe - * the sweat from your forehead now. :-) - */ - return true; -} - -/** NICK command */ -bool TreeSocket::IntroduceClient(const std::string &source, std::deque<std::string> ¶ms) -{ - if (params.size() < 8) - return true; - if (params.size() > 8) - { - this->WriteLine(std::string(":")+this->Instance->Config->ServerName+" KILL "+params[1]+" :Invalid client introduction ("+params[1]+"?)"); - return true; - } - // NICK age nick host dhost ident +modes ip :gecos - // 0 1 2 3 4 5 6 7 - time_t age = atoi(params[0].c_str()); - - const char* tempnick = params[1].c_str(); - 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(),63); - strlcpy(_new->dhost, params[3].c_str(),63); - _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); - this->Instance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s!%s@%s [%s]",_new->server,_new->nick,_new->ident,_new->host, _new->GetIPString()); - - 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->second), i->second->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"); - - /* Sorry for the hax. Because newly created channels assume +nt, - * if this channel doesnt have +nt, explicitly send -n and -t for the missing modes. - */ - bool inverted = false; - if (!c->IsModeSet('n')) - { - modes.append("-n"); - inverted = true; - } - if (!c->IsModeSet('t')) - { - modes.append("-t"); - inverted = true; - } - if (inverted) - { - modes.append("+"); - } - - for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++) - { - modes.append("b"); - params.append(" ").append(b->data); - if (params.length() >= MAXMODES) - { - /* 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 = ""; - params = ""; - } - } - buffer.append(":").append(this->Instance->Config->ServerName).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(c->ChanModes(true)); - - /* Only send these if there are any */ - if (!modes.empty()) - buffer.append("\r\n").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<ZLine*>::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<QLine*>::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<GLine*>::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<ELine*>::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<ZLine*>::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<QLine*>::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<GLine*>::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<ELine*>::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<std::string> list; - std::string n = this->Instance->Config->ServerName; - const char* sn = n.c_str(); - 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<std::string> 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); - } - 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 burst = "BURST "+ConvToStr(Instance->Time(true)); - std::string endburst = "ENDBURST"; - // Because by the end of the netburst, it could be gone! - std::string name = s->GetName(); - this->Instance->SNO->WriteToSnoMask('l',"Bursting to \2"+name+"\2."); - 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); -} - -int TreeSocket::WriteLine(std::string line) -{ - Instance->Log(DEBUG, "-> %s", line.c_str()); - line.append("\r\n"); - return this->Write(line); -} - -/* Handle ERROR command */ -bool TreeSocket::Error(std::deque<std::string> ¶ms) -{ - if (params.size() < 1) - return false; - this->Instance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(InboundServerName != "" ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str()); - /* we will return false to cause the socket to close. */ - return false; -} - -/** remote MOTD. leet, huh? */ -bool TreeSocket::Motd(const std::string &prefix, std::deque<std::string> ¶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<std::string> 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<std::string> ¶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<std::string> 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<std::string> ¶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<std::string> 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<std::string> ¶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<std::string> ¶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<std::string> 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; -} - -/* - * Remote SQUIT (RSQUIT). Routing works similar to SVSNICK: Route it to the server that the target is connected to locally, - * then let that server do the dirty work (squit it!). Example: - * A -> B -> C -> D: oper on A squits D, A routes to B, B routes to C, C notices D connected locally, kills it. -- w00t - */ -bool TreeSocket::RemoteSquit(const std::string &prefix, std::deque<std::string> ¶ms) -{ - /* ok.. :w00t RSQUIT jupe.barafranca.com :reason here */ - if (params.size() < 2) - return true; - - TreeServer* s = Utils->FindServerMask(params[0]); - - if (s) - { - if (s == Utils->TreeRoot) - { - this->Instance->SNO->WriteToSnoMask('l',"What the fuck, I recieved a remote SQUIT for myself? :< (from %s", prefix.c_str()); - return true; - } - - TreeSocket* sock = s->GetSocket(); - - if (sock) - { - /* it's locally connected, KILL IT! */ - Instance->SNO->WriteToSnoMask('l',"RSQUIT: Server \002%s\002 removed from network by %s: %s", params[0].c_str(), prefix.c_str(), params[1].c_str()); - sock->Squit(s,"Server quit by " + prefix + ": " + params[1]); - Instance->SE->DelFd(sock); - sock->Close(); - delete sock; - } - else - { - /* route the rsquit */ - params[1] = ":" + params[1]; - Utils->DoOneToOne(prefix, "RSQUIT", params, params[0]); - } - } - else - { - /* mother fucker! it doesn't exist */ - } - - return true; -} - -bool TreeSocket::ServiceJoin(const std::string &prefix, std::deque<std::string> ¶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); - Utils->DoOneToAllButSender(prefix,"SVSJOIN",params,prefix); - } - return true; -} - -bool TreeSocket::RemoteRehash(const std::string &prefix, std::deque<std::string> ¶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<std::string> ¶ms) -{ - if (params.size() != 2) - return true; - - std::string nick = params[0]; - userrec* u = this->Instance->FindNick(prefix); - userrec* who = this->Instance->FindNick(nick); - - if (who) - { - /* Prepend kill source, if we don't have one */ - std::string sourceserv = prefix; - if (u) - { - sourceserv = u->server; - } - if (*(params[1].c_str()) != '[') - { - params[1] = "[" + sourceserv + "] Killed (" + params[1] +")"; - } - std::string reason = params[1]; - params[1] = ":" + params[1]; - Utils->DoOneToAllButSender(prefix,"KILL",params,sourceserv); - who->Write(":%s KILL %s :%s (%s)", sourceserv.c_str(), who->nick, sourceserv.c_str(), reason.c_str()); - userrec::QuitUser(this->Instance,who,reason); - } - return true; -} - -bool TreeSocket::LocalPong(const std::string &prefix, std::deque<std::string> ¶ms) -{ - if (params.size() < 1) - return true; - - if (params.size() == 1) - { - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - { - ServerSource->SetPingFlag(); - } - } - 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<std::string> ¶ms) -{ - if (params.size() < 3) - return true; - TreeServer* ServerSource = Utils->FindServer(prefix); - if (ServerSource) - { - 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<std::string> ¶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<std::string> ¶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<std::string> ¶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())) - { - this->Instance->SNO->WriteToSnoMask('x',"%s Added %cLINE on %s to expire in %lu seconds (%s).",prefix.c_str(),*(params[0].c_str()),params[1].c_str(),atoi(params[4].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<std::string> ¶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<std::string> ¶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<std::string> 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 - 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 - Utils->DoOneToOne(prefix,"IDLE",params,who_to_send_to->server); - } - } - } - return true; -} - -bool TreeSocket::Push(const std::string &prefix, std::deque<std::string> ¶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<std::string> ¶ms) -{ - if (!params.size() || !Utils->EnableTimeSync) - return true; - - bool force = false; - - if ((params.size() == 2) && (params[1] == "FORCE")) - force = true; - - time_t rts = atoi(params[0].c_str()); - time_t us = Instance->Time(true); - - if (rts == us) - { - Utils->DoOneToAllButSender(prefix, "TIMESET", params, prefix); - } - else if (force || (rts < us)) - { - int old = Instance->SetTimeDelta(rts - us); - Instance->Log(DEBUG, "%s TS (diff %d) from %s applied (old delta was %d)", (force) ? "Forced" : "Lower", rts - us, prefix.c_str(), old); - - Utils->DoOneToAllButSender(prefix, "TIMESET", params, prefix); - } - else - { - Instance->Log(DEBUG, "Higher TS (diff %d) from %s overridden", us - rts, prefix.c_str()); - - std::deque<std::string> oparams; - oparams.push_back(ConvToStr(us)); - - Utils->DoOneToMany(prefix, "TIMESET", oparams); - } - - return true; -} - -bool TreeSocket::Time(const std::string &prefix, std::deque<std::string> ¶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<std::string> ¶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; - } -} - -bool TreeSocket::RemoveStatus(const std::string &prefix, std::deque<std::string> ¶ms) -{ - if (params.size() < 1) - return true; - chanrec* c = Instance->FindChan(params[0]); - if (c) - { - irc::modestacker modestack(false); - CUList *ulist = c->GetUsers(); - const char* y[127]; - std::deque<std::string> stackresult; - std::string x; - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) - { - std::string modesequence = Instance->Modes->ModeString(i->second, c); - if (modesequence.length()) - { - irc::spacesepstream sep(modesequence); - std::string modeletters = sep.GetToken(); - while (!modeletters.empty()) - { - char mletter = *(modeletters.begin()); - modestack.Push(mletter,sep.GetToken()); - modeletters.erase(modeletters.begin()); - } - } - } - - while (modestack.GetStackedLine(stackresult)) - { - stackresult.push_front(ConvToStr(c->age)); - stackresult.push_front(c->name); - Utils->DoOneToMany(Instance->Config->ServerName, "FMODE", stackresult); - stackresult.erase(stackresult.begin() + 1); - for (size_t z = 0; z < stackresult.size(); z++) - { - y[z] = stackresult[z].c_str(); - } - userrec* n = new userrec(Instance); - n->SetFd(FD_MAGIC_NUMBER); - Instance->SendMode(y, stackresult.size(), n); - delete n; - } - } - return true; -} - -bool TreeSocket::RemoteServer(const std::string &prefix, std::deque<std::string> ¶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->WriteLine("ERROR :Protocol error - Introduced remote server from unknown server "+prefix); - return false; - } - TreeServer* CheckDupe = Utils->FindServer(servername); - if (CheckDupe) - { - this->WriteLine("ERROR :Server "+servername+" already exists!"); - this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+servername+"\2 denied, already exists"); - return false; - } - TreeServer* Node = new TreeServer(this->Utils,this->Instance,servername,description,ParentOfThis,NULL); - ParentOfThis->AddChild(Node); - params[3] = ":" + params[3]; - 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::Outbound_Reply_Server(std::deque<std::string> ¶ms) -{ - if (params.size() < 4) - return false; - - irc::string servername = params[0].c_str(); - std::string sname = params[0]; - std::string password = params[1]; - int hops = atoi(params[2].c_str()); - - if (hops) - { - this->WriteLine("ERROR :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; - } - std::string description = params[3]; - for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) - { - if ((x->Name == servername) && (x->RecvPass == password)) - { - TreeServer* CheckDupe = Utils->FindServer(sname); - if (CheckDupe) - { - this->WriteLine("ERROR :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); - 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->WriteLine("ERROR :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<std::string> ¶ms) -{ - if (params.size() < 4) - return false; - irc::string servername = params[0].c_str(); - std::string sname = params[0]; - std::string password = params[1]; - int hops = atoi(params[2].c_str()); - - if (hops) - { - this->WriteLine("ERROR :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; - } - std::string description = params[3]; - for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) - { - if ((x->Name == servername) && (x->RecvPass == password)) - { - TreeServer* CheckDupe = Utils->FindServer(sname); - if (CheckDupe) - { - this->WriteLine("ERROR :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 ? "<hidden>" : 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 ? "<hidden>" : this->GetIP())+"] using transport \2"+name+"\2"); - } - - this->InboundServerName = sname; - this->InboundDescription = description; - // 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+" "+x->SendPass+" 0 :"+this->Instance->Config->ServerDesc); - // move to the next state, we are now waiting for THEM. - this->LinkState = WAIT_AUTH_2; - return true; - } - } - this->WriteLine("ERROR :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<std::string> &n) -{ - n.clear(); - irc::tokenstream tokens(line); - std::string param; - while ((param = tokens.GetToken()) != "") - n.push_back(param); - return; -} - -bool TreeSocket::ProcessLine(std::string &line) -{ - std::deque<std::string> 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", line.c_str()); - - this->Split(line.c_str(),params); - - 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->WriteLine("ERROR :Client connections to this port are prohibited."); - return false; - } - else if (command == "CAPAB") - { - return this->Capab(params); - } - else if ((command == "U") || (command == "S")) - { - this->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!"); - return false; - } - else - { - std::string error("ERROR :Invalid command in negotiation phase: "); - error.append(command.c_str()); - this->WriteLine(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->WriteLine("ERROR :Cannot use the old-style mesh linking protocol with m_spanningtree.so!"); - return false; - } - else if (command == "BURST") - { - if (params.size() && Utils->EnableTimeSync) - { - /* If a time stamp is provided, apply synchronization */ - bool force = false; - time_t them = atoi(params[0].c_str()); - time_t us = Instance->Time(true); - int delta = them - us; - if ((params.size() == 2) && (params[1] == "FORCE")) - force = true; - if ((delta < -600) || (delta > 600)) - { - this->Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than ten minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta)); - this->WriteLine("ERROR :Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than ten minutes). Link aborted, PLEASE SYNC YOUR CLOCKS!"); - return false; - } - - if (force || (us > them)) - { - this->Instance->SetTimeDelta(them - us); - // Send this new timestamp to any other servers - Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params); - } - else - { - // Override the timestamp - this->WriteLine(":" + Utils->TreeRoot->GetName() + " TIMESET " + ConvToStr(us)); - } - } - this->LinkState = CONNECTED; - Node = new TreeServer(this->Utils,this->Instance,InboundServerName,InboundDescription,Utils->TreeRoot,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->WriteLine("ERROR :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); - } - 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 != "") - { - 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(); - } - - 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() > 1)) - { - return this->IntroduceClient(prefix,params); - } - else if (command == "FJOIN") - { - 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 == "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") - { - return this->ForceMode(prefix,params); - } - else if (command == "KILL") - { - return this->RemoteKill(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") - { - /* - * 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. - */ - if (this->bursting) - { - this->bursting = false; - Instance->XLines->apply_lines(Utils->lines_to_apply); - Utils->lines_to_apply = 0; - } - if (prefix == "") - { - prefix = this->GetName(); - } - return this->LocalPing(prefix,params); - } - else if (command == "PONG") - { - /* - * 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. - */ - if (this->bursting) - { - this->bursting = false; - Instance->XLines->apply_lines(Utils->lines_to_apply); - Utils->lines_to_apply = 0; - } - if (prefix == "") - { - prefix = this->GetName(); - } - 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") - { - return this->AddLine(prefix,params); - } - else if (command == "SVSNICK") - { - if (prefix == "") - { - prefix = this->GetName(); - } - return this->ForceNick(prefix,params); - } - else if (command == "RSQUIT") - { - return this->RemoteSquit(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 != "") - { - sourceserv = this->InboundServerName; - } - return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params); - } - else if (command == "SVSJOIN") - { - if (prefix == "") - { - 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 != "") - 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 != "") - 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 != "") - 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 != "") - { - 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 != "") - { - 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<std::string> 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->WriteLine("ERROR :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 != "") - { - 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 != "") - { - quitserver = this->InboundServerName; - } - TreeServer* s = Utils->FindServer(quitserver); - if (s) - { - Squit(s,"Remote host closed the connection"); - } - - if (quitserver != "") - this->Instance->SNO->WriteToSnoMask('l',"Connection to '\2%s\2' failed.",quitserver.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<std::string>::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; -} - /** 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 @@ -3029,30 +144,6 @@ class TimeSyncTimer : public InspTimer virtual void Tick(time_t TIME); }; -HandshakeTimer::HandshakeTimer(InspIRCd* Inst, TreeSocket* s, Link* l, SpanningTreeUtilities* u) : InspTimer(1, 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() && InspSocketHSCompleteRequest(sock, (Module*)Utils->Creator, sock->GetHook()).Send()) - { - InspSocketAttachCertRequest(sock, (Module*)Utils->Creator, sock->GetHook()).Send(); - sock->SendCapabilities(); - if (sock->GetLinkState() == CONNECTING) - { - sock->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+lnk->SendPass+" 0 :"+this->Instance->Config->ServerDesc); - } - } - else - { - Instance->Timers->AddTimer(new HandshakeTimer(Instance, sock, lnk, Utils)); - } - } -} ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me) : Module::Module(Me), max_local(0), max_global(0) |