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/>.
25 #include "treesocket.h"
26 #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 */
50 /* Send everything else (channel modes, xlines etc) */
51 this->SendChannelModes();
53 FOREACH_MOD(I_OnSyncNetwork,OnSyncNetwork(Utils->Creator,(void*)this));
54 this->WriteLine(":" + ServerInstance->Config->GetSID() + " ENDBURST");
55 ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+ s->GetName()+"\2.");
58 /** Recursively send the server tree with distances as hops.
59 * This is used during network burst to inform the other server
60 * (and any of ITS servers too) of what servers we know about.
61 * If at any point any of these servers already exist on the other
62 * end, our connection may be terminated. The hopcounts given
63 * by this function are relative, this doesn't matter so long as
64 * they are all >1, as all the remote servers re-calculate them
65 * to be relative too, with themselves as hop 0.
67 void TreeSocket::SendServers(TreeServer* Current, TreeServer* s, int hops)
70 for (unsigned int q = 0; q < Current->ChildCount(); q++)
72 TreeServer* recursive_server = Current->GetChild(q);
73 if (recursive_server != s)
75 std::string recursive_servername = recursive_server->GetName();
76 snprintf(command, MAXBUF, ":%s SERVER %s * %d %s :%s", Current->GetID().c_str(), recursive_servername.c_str(), hops,
77 recursive_server->GetID().c_str(),
78 recursive_server->GetDesc().c_str());
79 this->WriteLine(command);
80 this->WriteLine(":"+recursive_server->GetID()+" VERSION :"+recursive_server->GetVersion());
81 /* down to next level */
82 this->SendServers(recursive_server, s, hops+1);
87 /** Send one or more FJOINs for a channel of users.
88 * If the length of a single line is more than 480-NICKMAX
89 * in length, it is split over multiple lines.
91 void TreeSocket::SendFJoins(Channel* c)
96 size_t curlen, headlen;
97 curlen = headlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu +%s :",
98 ServerInstance->Config->GetSID().c_str(), c->name.c_str(), (unsigned long)c->age, c->ChanModes(true));
100 char* ptr = list + curlen;
101 bool looped_once = false;
103 const UserMembList *ulist = c->GetUsers();
107 for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
110 std::string modestr = i->second->modes;
112 if ((curlen + modestr.length() + i->first->uuid.length() + 4) > 480)
114 // remove the final space
117 buffer.append(list).append("\r\n");
119 ptr = list + headlen;
123 ptrlen = snprintf(ptr, MAXBUF-curlen, "%s,%s ", modestr.c_str(), i->first->uuid.c_str());
133 // Okay, permanent channels will (of course) need this \r\n anyway, numusers check is if there
134 // actually were people in the channel (looped_once == true)
135 if (!looped_once || numusers > 0)
137 // remove the final space
140 buffer.append(list).append("\r\n");
143 unsigned int linesize = 1;
144 for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++)
146 unsigned int size = b->data.length() + 2; // "b" and " "
147 unsigned int nextsize = linesize + size;
149 if ((modes.length() >= ServerInstance->Config->Limits.MaxModes) || (nextsize > FMODE_MAX_LENGTH))
152 buffer.append(":").append(ServerInstance->Config->GetSID()).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params).append("\r\n");
159 modes.push_back('b');
161 params.push_back(' ');
162 params.append(b->data);
167 /* Only send these if there are any */
169 buffer.append(":").append(ServerInstance->Config->GetSID()).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params);
171 this->WriteLine(buffer);
174 /** Send all XLines we know about */
175 void TreeSocket::SendXLines()
178 std::string n = ServerInstance->Config->GetSID();
179 const char* sn = n.c_str();
181 std::vector<std::string> types = ServerInstance->XLines->GetAllTypes();
182 time_t current = ServerInstance->Time();
184 for (std::vector<std::string>::iterator it = types.begin(); it != types.end(); ++it)
186 XLineLookup* lookup = ServerInstance->XLines->GetAll(*it);
190 for (LookupIter i = lookup->begin(); i != lookup->end(); ++i)
192 /* Is it burstable? this is better than an explicit check for type 'K'.
193 * We break the loop as NONE of the items in this group are worth iterating.
195 if (!i->second->IsBurstable())
198 /* If it's expired, don't bother to burst it
200 if (i->second->duration && current > i->second->expiry)
203 snprintf(data,MAXBUF,":%s ADDLINE %s %s %s %lu %lu :%s",sn, it->c_str(), i->second->Displayable(),
204 i->second->source.c_str(),
205 (unsigned long)i->second->set_time,
206 (unsigned long)i->second->duration,
207 i->second->reason.c_str());
208 this->WriteLine(data);
214 /** Send channel topic, modes and metadata */
215 void TreeSocket::SendChannelModes()
218 std::string n = ServerInstance->Config->GetSID();
219 const char* sn = n.c_str();
221 for (chan_hash::iterator c = ServerInstance->chanlist->begin(); c != ServerInstance->chanlist->end(); c++)
223 SendFJoins(c->second);
224 if (!c->second->topic.empty())
226 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());
227 this->WriteLine(data);
230 for(Extensible::ExtensibleStore::const_iterator i = c->second->GetExtList().begin(); i != c->second->GetExtList().end(); i++)
232 ExtensionItem* item = i->first;
233 std::string value = item->serialize(FORMAT_NETWORK, c->second, i->second);
235 Utils->Creator->ProtoSendMetaData(this, c->second, item->name, value);
238 FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(c->second,Utils->Creator,this));
242 /** send all users and their oper state/modes */
243 void TreeSocket::SendUsers()
246 for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
248 if (u->second->registered == REG_ALL)
250 TreeServer* theirserver = Utils->FindServer(u->second->server);
253 snprintf(data,MAXBUF,":%s UID %s %lu %s %s %s %s %s %lu +%s :%s",
254 theirserver->GetID().c_str(), /* Prefix: SID */
255 u->second->uuid.c_str(), /* 0: UUID */
256 (unsigned long)u->second->age, /* 1: TS */
257 u->second->nick.c_str(), /* 2: Nick */
258 u->second->host.c_str(), /* 3: Displayed Host */
259 u->second->dhost.c_str(), /* 4: Real host */
260 u->second->ident.c_str(), /* 5: Ident */
261 u->second->GetIPString(), /* 6: IP string */
262 (unsigned long)u->second->signon, /* 7: Signon time for WHOWAS */
263 u->second->FormatModes(true), /* 8...n: Modes and params */
264 u->second->fullname.c_str()); /* size-1: GECOS */
265 this->WriteLine(data);
266 if (IS_OPER(u->second))
268 snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->uuid.c_str(), u->second->oper->name.c_str());
269 this->WriteLine(data);
271 if (IS_AWAY(u->second))
273 snprintf(data,MAXBUF,":%s AWAY %ld :%s", u->second->uuid.c_str(), (long)u->second->awaytime, u->second->awaymsg.c_str());
274 this->WriteLine(data);
278 for(Extensible::ExtensibleStore::const_iterator i = u->second->GetExtList().begin(); i != u->second->GetExtList().end(); i++)
280 ExtensionItem* item = i->first;
281 std::string value = item->serialize(FORMAT_NETWORK, u->second, i->second);
283 Utils->Creator->ProtoSendMetaData(this, u->second, item->name, value);
286 FOREACH_MOD(I_OnSyncUser,OnSyncUser(u->second,Utils->Creator,this));