X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_spanningtree%2Fnetburst.cpp;h=89c8046f594719c1dfc3e28d251c4e11af6b5c02;hb=3624c137a6db85eaab0372550c9dca79d6d21e55;hp=4a894f78a1335af3d17a09e2096137a320c151af;hpb=8320bb61ca24b9c397ed4244b3b81b39c32e29ca;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_spanningtree/netburst.cpp b/src/modules/m_spanningtree/netburst.cpp index 4a894f78a..89c8046f5 100644 --- a/src/modules/m_spanningtree/netburst.cpp +++ b/src/modules/m_spanningtree/netburst.cpp @@ -1,22 +1,30 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2010 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2008 Robin Burchell + * Copyright (C) 2008 Craig Edwards * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ + #include "inspircd.h" #include "xline.h" +#include "listmode.h" #include "treesocket.h" #include "treeserver.h" -#include "utils.h" #include "main.h" /** This function is called when we want to send a netburst to a local @@ -26,53 +34,48 @@ */ void TreeSocket::DoBurst(TreeServer* s) { - std::string name = s->GetName(); - std::string burst = ":" + ServerInstance->Config->GetSID() + " BURST " +ConvToStr(ServerInstance->Time()); - std::string endburst = ":" + ServerInstance->Config->GetSID() + " ENDBURST"; + std::string servername = s->GetName(); ServerInstance->SNO->WriteToSnoMask('l',"Bursting to \2%s\2 (Authentication: %s%s).", - name.c_str(), + servername.c_str(), capab->auth_fingerprint ? "SSL Fingerprint and " : "", capab->auth_challenge ? "challenge-response" : "plaintext password"); this->CleanNegotiationInfo(); - this->WriteLine(burst); + this->WriteLine(":" + ServerInstance->Config->GetSID() + " BURST " + ConvToStr(ServerInstance->Time())); /* send our version string */ - this->WriteLine(std::string(":")+ServerInstance->Config->GetSID()+" VERSION :"+ServerInstance->GetVersionString()); + this->WriteLine(":" + ServerInstance->Config->GetSID() + " VERSION :"+ServerInstance->GetVersionString()); /* Send server tree */ - this->SendServers(Utils->TreeRoot,s,1); + this->SendServers(Utils->TreeRoot, s); /* Send users and their oper status */ - this->SendUsers(s); - /* Send everything else (channel modes, xlines etc) */ - this->SendChannelModes(s); - this->SendXLines(s); + this->SendUsers(); + + for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ++i) + SyncChannel(i->second); + + this->SendXLines(); FOREACH_MOD(I_OnSyncNetwork,OnSyncNetwork(Utils->Creator,(void*)this)); - this->WriteLine(endburst); - ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+name+"\2."); + this->WriteLine(":" + ServerInstance->Config->GetSID() + " ENDBURST"); + ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+ s->GetName()+"\2."); } -/** Recursively send the server tree with distances as hops. +/** Recursively send the server tree. * 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. + * end, our connection may be terminated. + * The hopcount parameter (3rd) is deprecated, and is always 0. */ -void TreeSocket::SendServers(TreeServer* Current, TreeServer* s, int hops) +void TreeSocket::SendServers(TreeServer* Current, TreeServer* s) { - 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 :%s",Current->GetName().c_str(),recursive_server->GetName().c_str(),hops, - recursive_server->GetID().c_str(), - recursive_server->GetDesc().c_str()); - this->WriteLine(command); - this->WriteLine(":"+recursive_server->GetName()+" VERSION :"+recursive_server->GetVersion()); + this->WriteLine(InspIRCd::Format(":%s SERVER %s * 0 %s :%s", Current->GetID().c_str(), + recursive_server->GetName().c_str(), recursive_server->GetID().c_str(), recursive_server->GetDesc().c_str())); + this->WriteLine(":" + recursive_server->GetID() + " VERSION :" + recursive_server->GetVersion()); /* down to next level */ - this->SendServers(recursive_server, s, hops+1); + this->SendServers(recursive_server, s); } } } @@ -80,101 +83,46 @@ void TreeSocket::SendServers(TreeServer* Current, TreeServer* s, int hops) /** 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. + * Send one or more FMODEs for a channel with the + * channel bans, if there's any. */ -void TreeSocket::SendFJoins(TreeServer* Current, Channel* c) +void TreeSocket::SendFJoins(Channel* c) { - std::string buffer; - char list[MAXBUF]; - - size_t curlen, headlen; - curlen = headlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu +%s :", - ServerInstance->Config->GetSID().c_str(), c->name.c_str(), (unsigned long)c->age, c->ChanModes(true)); - int numusers = 0; - char* ptr = list + curlen; - bool looped_once = false; + std::string line(":"); + line.append(ServerInstance->Config->GetSID()).append(" FJOIN ").append(c->name).append(1, ' ').append(ConvToStr(c->age)).append(" +"); + std::string::size_type erase_from = line.length(); + line.append(c->ChanModes(true)).append(" :"); const UserMembList *ulist = c->GetUsers(); - std::string modes; - std::string params; - for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++) + for (UserMembCIter i = ulist->begin(); i != ulist->end(); ++i) { - size_t ptrlen = 0; - std::string modestr = i->second->modes; - - if ((curlen + modestr.length() + i->first->uuid.length() + 4) > 480) + const std::string& modestr = i->second->modes; + if ((line.length() + modestr.length() + UIDGenerator::UUID_LENGTH + 2) > 480) { - // remove the final space - if (ptr[-1] == ' ') - ptr[-1] = '\0'; - buffer.append(list).append("\r\n"); - curlen = headlen; - ptr = list + headlen; - numusers = 0; + this->WriteLine(line); + line.erase(erase_from); + line.append(" :"); } - - ptrlen = snprintf(ptr, MAXBUF-curlen, "%s,%s ", modestr.c_str(), i->first->uuid.c_str()); - - looped_once = true; - - curlen += ptrlen; - ptr += ptrlen; - - numusers++; - } - - // Okay, permanent channels will (of course) need this \r\n anyway, numusers check is if there - // actually were people in the channel (looped_once == true) - if (!looped_once || numusers > 0) - { - // remove the final space - if (ptr[-1] == ' ') - ptr[-1] = '\0'; - buffer.append(list).append("\r\n"); + line.append(modestr).append(1, ',').append(i->first->uuid).push_back(' '); } + this->WriteLine(line); - int linesize = 1; - for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++) - { - int size = b->data.length() + 2; - int currsize = linesize + size; - if (currsize <= 350) - { - modes.append("b"); - params.append(" ").append(b->data); - linesize += size; - } - if ((params.length() >= ServerInstance->Config->Limits.MaxModes) || (currsize > 350)) - { - /* Wrap at MAXMODES */ - buffer.append(":").append(ServerInstance->Config->GetSID()).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params).append("\r\n"); - modes.clear(); - params.clear(); - linesize = 1; - } - } - - /* Only send these if there are any */ - if (!modes.empty()) - buffer.append(":").append(ServerInstance->Config->GetSID()).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params); - - this->WriteLine(buffer); + ModeReference ban(NULL, "ban"); + static_cast(*ban)->DoSyncChannel(c, Utils->Creator, this); } -/** Send G, Q, Z and E lines */ -void TreeSocket::SendXLines(TreeServer* Current) +/** Send all XLines we know about */ +void TreeSocket::SendXLines() { - char data[MAXBUF]; - std::string n = ServerInstance->Config->GetSID(); - const char* sn = n.c_str(); - std::vector types = ServerInstance->XLines->GetAllTypes(); - time_t current = ServerInstance->Time(); - for (std::vector::iterator it = types.begin(); it != types.end(); ++it) + for (std::vector::const_iterator it = types.begin(); it != types.end(); ++it) { + /* Expired lines are removed in XLineManager::GetAll() */ XLineLookup* lookup = ServerInstance->XLines->GetAll(*it); + /* lookup cannot be NULL in this case but a check won't hurt */ if (lookup) { for (LookupIter i = lookup->begin(); i != lookup->end(); ++i) @@ -185,55 +133,47 @@ void TreeSocket::SendXLines(TreeServer* Current) if (!i->second->IsBurstable()) break; - /* If it's expired, don't bother to burst it - */ - if (i->second->duration && current > i->second->expiry) - continue; - - snprintf(data,MAXBUF,":%s ADDLINE %s %s %s %lu %lu :%s",sn, it->c_str(), i->second->Displayable(), - i->second->source.c_str(), - (unsigned long)i->second->set_time, - (unsigned long)i->second->duration, - i->second->reason.c_str()); - this->WriteLine(data); + this->WriteLine(InspIRCd::Format(":%s ADDLINE %s %s %s %lu %lu :%s", + ServerInstance->Config->GetSID().c_str(), + it->c_str(), + i->second->Displayable().c_str(), + i->second->source.c_str(), + (unsigned long)i->second->set_time, + (unsigned long)i->second->duration, + i->second->reason.c_str())); } } } } -/** Send channel modes and topics */ -void TreeSocket::SendChannelModes(TreeServer* Current) +/** Send channel topic, modes and metadata */ +void TreeSocket::SyncChannel(Channel* chan) { - char data[MAXBUF]; - std::deque list; - std::string n = ServerInstance->Config->GetSID(); - const char* sn = n.c_str(); - for (chan_hash::iterator c = ServerInstance->chanlist->begin(); c != ServerInstance->chanlist->end(); c++) - { - SendFJoins(Current, c->second); - if (!c->second->topic.empty()) - { - snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s", sn, c->second->name.c_str(), (unsigned long)c->second->topicset, c->second->setby.c_str(), c->second->topic.c_str()); - this->WriteLine(data); - } + SendFJoins(chan); - for(Extensible::ExtensibleStore::const_iterator i = c->second->GetExtList().begin(); i != c->second->GetExtList().end(); i++) - { - ExtensionItem* item = i->first; - std::string value = item->serialize(FORMAT_NETWORK, c->second, i->second); - if (!value.empty()) - Utils->Creator->ProtoSendMetaData(this, c->second, item->name, value); - } + // If the topic was ever set, send it, even if it's empty now + // because a new empty topic should override an old non-empty topic + if (chan->topicset != 0) + { + this->WriteLine(InspIRCd::Format(":%s FTOPIC %s %lu %lu %s :%s", ServerInstance->Config->GetSID().c_str(), + chan->name.c_str(), (unsigned long)chan->age, (unsigned long)chan->topicset, + chan->setby.c_str(), chan->topic.c_str())); + } - FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(c->second,Utils->Creator,this)); + for (Extensible::ExtensibleStore::const_iterator i = chan->GetExtList().begin(); i != chan->GetExtList().end(); i++) + { + ExtensionItem* item = i->first; + std::string value = item->serialize(FORMAT_NETWORK, chan, i->second); + if (!value.empty()) + Utils->Creator->ProtoSendMetaData(this, chan, item->name, value); } + + FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(chan, Utils->Creator, this)); } /** send all users and their oper state/modes */ -void TreeSocket::SendUsers(TreeServer* Current) +void TreeSocket::SendUsers() { - char data[MAXBUF]; - std::string dataline; for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++) { if (u->second->registered == REG_ALL) @@ -241,28 +181,27 @@ void TreeSocket::SendUsers(TreeServer* Current) TreeServer* theirserver = Utils->FindServer(u->second->server); if (theirserver) { - snprintf(data,MAXBUF,":%s UID %s %lu %s %s %s %s %s %lu +%s :%s", - theirserver->GetID().c_str(), /* Prefix: SID */ - u->second->uuid.c_str(), /* 0: UUID */ - (unsigned long)u->second->age, /* 1: TS */ - u->second->nick.c_str(), /* 2: Nick */ - u->second->host.c_str(), /* 3: Displayed Host */ - u->second->dhost.c_str(), /* 4: Real host */ - u->second->ident.c_str(), /* 5: Ident */ - u->second->GetIPString(), /* 6: IP string */ - (unsigned long)u->second->signon, /* 7: Signon time for WHOWAS */ - u->second->FormatModes(true), /* 8...n: Modes and params */ - u->second->fullname.c_str()); /* size-1: GECOS */ - this->WriteLine(data); - if (IS_OPER(u->second)) + this->WriteLine(InspIRCd::Format(":%s UID %s %lu %s %s %s %s %s %lu +%s :%s", + theirserver->GetID().c_str(), // Prefix: SID + u->second->uuid.c_str(), // 0: UUID + (unsigned long)u->second->age, // 1: TS + u->second->nick.c_str(), // 2: Nick + u->second->host.c_str(), // 3: Real host + u->second->dhost.c_str(), // 4: Display host + u->second->ident.c_str(), // 5: Ident + u->second->GetIPString().c_str(), // 6: IP address + (unsigned long)u->second->signon, // 7: Signon time + u->second->FormatModes(true), // 8...n: User modes and params + u->second->fullname.c_str())); // size-1: GECOS + + if (u->second->IsOper()) { - snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->uuid.c_str(), u->second->oper->name.c_str()); - this->WriteLine(data); + this->WriteLine(InspIRCd::Format(":%s OPERTYPE :%s", u->second->uuid.c_str(), u->second->oper->name.c_str())); } - if (IS_AWAY(u->second)) + if (u->second->IsAway()) { - snprintf(data,MAXBUF,":%s AWAY %ld :%s", u->second->uuid.c_str(), (long)u->second->awaytime, u->second->awaymsg.c_str()); - this->WriteLine(data); + this->WriteLine(InspIRCd::Format(":%s AWAY %ld :%s", u->second->uuid.c_str(), (long)u->second->awaytime, + u->second->awaymsg.c_str())); } }