2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
6 * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
8 * This file is part of InspIRCd. InspIRCd is free software: you can
9 * redistribute it and/or modify it under the terms of the GNU General Public
10 * License as published by the Free Software Foundation, version 2.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
26 #include "treesocket.h"
27 #include "treeserver.h"
30 /** This function is called when we want to send a netburst to a local
31 * server. There is a set order we must do this, because for example
32 * users require their servers to exist, and channels require their
33 * users to exist. You get the idea.
35 void TreeSocket::DoBurst(TreeServer* s)
37 std::string servername = s->GetName();
38 ServerInstance->SNO->WriteToSnoMask('l',"Bursting to \2%s\2 (Authentication: %s%s).",
40 capab->auth_fingerprint ? "SSL Fingerprint and " : "",
41 capab->auth_challenge ? "challenge-response" : "plaintext password");
42 this->CleanNegotiationInfo();
43 this->WriteLine(":" + ServerInstance->Config->GetSID() + " BURST " + ConvToStr(ServerInstance->Time()));
44 /* send our version string */
45 this->WriteLine(":" + ServerInstance->Config->GetSID() + " VERSION :"+ServerInstance->GetVersionString());
46 /* Send server tree */
47 this->SendServers(Utils->TreeRoot,s,1);
48 /* Send users and their oper status */
51 for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ++i)
52 SyncChannel(i->second);
55 FOREACH_MOD(I_OnSyncNetwork,OnSyncNetwork(Utils->Creator,(void*)this));
56 this->WriteLine(":" + ServerInstance->Config->GetSID() + " ENDBURST");
57 ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+ s->GetName()+"\2.");
60 /** Recursively send the server tree with distances as hops.
61 * This is used during network burst to inform the other server
62 * (and any of ITS servers too) of what servers we know about.
63 * If at any point any of these servers already exist on the other
64 * end, our connection may be terminated. The hopcounts given
65 * by this function are relative, this doesn't matter so long as
66 * they are all >1, as all the remote servers re-calculate them
67 * to be relative too, with themselves as hop 0.
69 void TreeSocket::SendServers(TreeServer* Current, TreeServer* s, int hops)
72 for (unsigned int q = 0; q < Current->ChildCount(); q++)
74 TreeServer* recursive_server = Current->GetChild(q);
75 if (recursive_server != s)
77 std::string recursive_servername = recursive_server->GetName();
78 snprintf(command, MAXBUF, ":%s SERVER %s * %d %s :%s", Current->GetID().c_str(), recursive_servername.c_str(), hops,
79 recursive_server->GetID().c_str(),
80 recursive_server->GetDesc().c_str());
81 this->WriteLine(command);
82 this->WriteLine(":"+recursive_server->GetID()+" VERSION :"+recursive_server->GetVersion());
83 /* down to next level */
84 this->SendServers(recursive_server, s, hops+1);
89 /** Send one or more FJOINs for a channel of users.
90 * If the length of a single line is more than 480-NICKMAX
91 * in length, it is split over multiple lines.
92 * Send one or more FMODEs for a channel with the
93 * channel bans, if there's any.
95 void TreeSocket::SendFJoins(Channel* c)
97 std::string line(":");
98 line.append(ServerInstance->Config->GetSID()).append(" FJOIN ").append(c->name).append(1, ' ').append(ConvToStr(c->age)).append(" +");
99 std::string::size_type erase_from = line.length();
100 line.append(c->ChanModes(true)).append(" :");
102 const UserMembList *ulist = c->GetUsers();
104 for (UserMembCIter i = ulist->begin(); i != ulist->end(); ++i)
106 const std::string& modestr = i->second->modes;
107 if ((line.length() + modestr.length() + (UUID_LENGTH-1) + 2) > 480)
109 this->WriteLine(line);
110 line.erase(erase_from);
113 line.append(modestr).append(1, ',').append(i->first->uuid).push_back(' ');
115 this->WriteLine(line);
117 ModeReference ban(NULL, "ban");
118 static_cast<ListModeBase*>(*ban)->DoSyncChannel(c, Utils->Creator, this);
121 /** Send all XLines we know about */
122 void TreeSocket::SendXLines()
125 const char* sn = ServerInstance->Config->GetSID().c_str();
127 std::vector<std::string> types = ServerInstance->XLines->GetAllTypes();
129 for (std::vector<std::string>::const_iterator it = types.begin(); it != types.end(); ++it)
131 /* Expired lines are removed in XLineManager::GetAll() */
132 XLineLookup* lookup = ServerInstance->XLines->GetAll(*it);
134 /* lookup cannot be NULL in this case but a check won't hurt */
137 for (LookupIter i = lookup->begin(); i != lookup->end(); ++i)
139 /* Is it burstable? this is better than an explicit check for type 'K'.
140 * We break the loop as NONE of the items in this group are worth iterating.
142 if (!i->second->IsBurstable())
145 snprintf(data,MAXBUF,":%s ADDLINE %s %s %s %lu %lu :%s",sn, it->c_str(), i->second->Displayable(),
146 i->second->source.c_str(),
147 (unsigned long)i->second->set_time,
148 (unsigned long)i->second->duration,
149 i->second->reason.c_str());
150 this->WriteLine(data);
156 /** Send channel topic, modes and metadata */
157 void TreeSocket::SyncChannel(Channel* chan)
162 if (!chan->topic.empty())
164 snprintf(data,MAXBUF,":%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());
165 this->WriteLine(data);
168 for (Extensible::ExtensibleStore::const_iterator i = chan->GetExtList().begin(); i != chan->GetExtList().end(); i++)
170 ExtensionItem* item = i->first;
171 std::string value = item->serialize(FORMAT_NETWORK, chan, i->second);
173 Utils->Creator->ProtoSendMetaData(this, chan, item->name, value);
176 FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(chan, Utils->Creator, this));
179 /** send all users and their oper state/modes */
180 void TreeSocket::SendUsers()
183 std::string dataline;
184 for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
186 if (u->second->registered == REG_ALL)
188 TreeServer* theirserver = Utils->FindServer(u->second->server);
191 snprintf(data,MAXBUF,":%s UID %s %lu %s %s %s %s %s %lu +%s :%s",
192 theirserver->GetID().c_str(), /* Prefix: SID */
193 u->second->uuid.c_str(), /* 0: UUID */
194 (unsigned long)u->second->age, /* 1: TS */
195 u->second->nick.c_str(), /* 2: Nick */
196 u->second->host.c_str(), /* 3: Displayed Host */
197 u->second->dhost.c_str(), /* 4: Real host */
198 u->second->ident.c_str(), /* 5: Ident */
199 u->second->GetIPString().c_str(), /* 6: IP string */
200 (unsigned long)u->second->signon, /* 7: Signon time for WHOWAS */
201 u->second->FormatModes(true), /* 8...n: Modes and params */
202 u->second->fullname.c_str()); /* size-1: GECOS */
203 this->WriteLine(data);
204 if (u->second->IsOper())
206 snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->uuid.c_str(), u->second->oper->name.c_str());
207 this->WriteLine(data);
209 if (u->second->IsAway())
211 snprintf(data,MAXBUF,":%s AWAY %ld :%s", u->second->uuid.c_str(), (long)u->second->awaytime, u->second->awaymsg.c_str());
212 this->WriteLine(data);
216 for(Extensible::ExtensibleStore::const_iterator i = u->second->GetExtList().begin(); i != u->second->GetExtList().end(); i++)
218 ExtensionItem* item = i->first;
219 std::string value = item->serialize(FORMAT_NETWORK, u->second, i->second);
221 Utils->Creator->ProtoSendMetaData(this, u->second, item->name, value);
224 FOREACH_MOD(I_OnSyncUser,OnSyncUser(u->second,Utils->Creator,this));