-#include "configreader.h"
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "commands/cmd_whois.h"
-#include "commands/cmd_stats.h"
-#include "socket.h"
-#include "inspircd.h"
-#include "wildcard.h"
-#include "xline.h"
-#include "transport.h"
-#include "socketengine.h"
-
-#include "m_spanningtree/main.h"
-#include "m_spanningtree/utils.h"
-#include "m_spanningtree/treeserver.h"
-#include "m_spanningtree/link.h"
-#include "m_spanningtree/treesocket.h"
-#include "m_spanningtree/resolvers.h"
-#include "m_spanningtree/handshaketimer.h"
-
-/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */
-
-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() < 2)
- return true;
- else
- params.push_back("");
- 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;
- }
-}
-
-/** TODO: This creates a total mess of output and needs to really use irc::modestacker.
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
*/
-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)
- {
- for (char modeletter = 'A'; modeletter <= 'z'; modeletter++)
- {
- ModeHandler* mh = Instance->Modes->FindMode(modeletter, MODETYPE_CHANNEL);
- if (mh)
- mh->RemoveMode(c);
- }
- }
- 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;
-}
+#include "inspircd.h"
+#include "commands/cmd_whois.h"
+#include "commands/cmd_stats.h"
+#include "socket.h"
+#include "wildcard.h"
+#include "xline.h"
+#include "transport.h"
+#include "socketengine.h"
-bool TreeSocket::Outbound_Reply_Server(std::deque<std::string> ¶ms)
-{
- if (params.size() < 4)
- return false;
+#include "m_spanningtree/main.h"
+#include "m_spanningtree/utils.h"
+#include "m_spanningtree/treeserver.h"
+#include "m_spanningtree/link.h"
+#include "m_spanningtree/treesocket.h"
+#include "m_spanningtree/resolvers.h"
+#include "m_spanningtree/handshaketimer.h"
- irc::string servername = params[0].c_str();
- std::string sname = params[0];
- std::string password = params[1];
- int hops = atoi(params[2].c_str());
+/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */
- 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;
+void TreeSocket::WriteLine(std::string line)
+{
+ Instance->Logs->Log("m_spanningtree",DEBUG, "S[%d] O %s", this->GetFd(), line.c_str());
+ line.append("\r\n");
+ this->Write(line);
}
-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");
+/* Handle ERROR command */
+bool TreeSocket::Error(std::deque<std::string> ¶ms)
+{
+ if (params.size() < 1)
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");
+ this->Instance->SNO->WriteToSnoMask('l',"ERROR from %s: %s",(!InboundServerName.empty() ? InboundServerName.c_str() : myhost.c_str()),params[0].c_str());
+ /* we will return false to cause the socket to close. */
return false;
}
n.clear();
irc::tokenstream tokens(line);
std::string param;
- while ((param = tokens.GetToken()) != "")
+ while (tokens.GetToken(param))
+ {
n.push_back(param);
+ }
return;
}
if (line.empty())
return true;
- Instance->Log(DEBUG, "<- %s", line.c_str());
+ Instance->Logs->Log("m_spanningtree",DEBUG, "S[%d] I %s", this->GetFd(), line.c_str());
this->Split(line.c_str(),params);
-
+
+ if (params.empty())
+ return true;
+
if ((params[0][0] == ':') && (params.size() > 1))
{
prefix = params[0].substr(1);
params.pop_front();
+
+ if (prefix.empty())
+ {
+ this->SendError("BUG (?) Empty prefix recieved.");
+ return false;
+ }
}
+
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.
+ /*
+ * State 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 */
+ /*
+ * Ignore this silently. Some services packages insist on sending PASS, even
+ * when it is not required (i.e. by us). We have to ignore this here, otherwise
+ * as it's an unknown command (effectively), it will cause the connection to be
+ * closed, which probably isn't what people want. -- w00t
+ */
}
else if (command == "SERVER")
{
}
else if (command == "USER")
{
- this->WriteLine("ERROR :Client connections to this port are prohibited.");
+ this->SendError("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);
+ // XXX ...wtf.
+ irc::string error = "Invalid command in negotiation phase: " + command;
+ this->SendError(assign(error));
return false;
}
break;
case WAIT_AUTH_2:
- // Waiting for start of other side's netmerge to say they liked our
- // password.
+ /*
+ * State WAIT_AUTH_2:
+ * We have sent SERVER to the other side of the connection. Now we're waiting for them to start BURST.
+ * The other option at this stage of things, of course, is for them to close our connection thanks
+ * to invalid credentials.. -- w
+ */
if (command == "SERVER")
{
- // cant do this, they sent it to us in the WAIT_AUTH_1 state!
- // silently ignore.
+ /*
+ * Connection is either attempting to re-auth itself (stupid) or sending netburst without sending BURST.
+ * Both of these aren't allowable, so block them here. -- w
+ */
+ this->SendError("You may not re-authenticate or commence netburst without sending BURST.");
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 (params.size())
{
- /* If a time stamp is provided, apply synchronization */
- bool force = false;
time_t them = atoi(params[0].c_str());
- time_t us = Instance->Time(false);
- int delta = them - us;
- if ((params.size() == 2) && (params[1] == "FORCE"))
- force = true;
+ time_t delta = them - Instance->Time();
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!");
+ Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than five minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta));
+ SendError("Your clocks are out by "+ConvToStr(abs(delta))+" seconds (this is more than five 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
+ else if ((delta < -30) || (delta > 30))
{
- // Override the timestamp
- this->WriteLine(":" + Utils->TreeRoot->GetName() + " TIMESET " + ConvToStr(us));
+ Instance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds. Please consider synching your clocks.", abs(delta));
}
}
this->LinkState = CONNECTED;
- Node = new TreeServer(this->Utils,this->Instance,InboundServerName,InboundDescription,Utils->TreeRoot,this);
+ Link* lnk = Utils->FindLink(InboundServerName);
+
+ Node = new TreeServer(this->Utils, this->Instance, InboundServerName, InboundDescription, InboundSID, Utils->TreeRoot, this, lnk ? lnk->Hidden : false);
+
+ if (Node->DuplicateID())
+ {
+ this->SendError("Server ID "+InboundSID+" already exists on the network!");
+ this->Instance->SNO->WriteToSnoMask('l',"Server \2"+InboundServerName+"\2 being introduced from \2" + prefix + "\2 denied, server ID already exists on the network. Closing link.");
+ return false;
+ }
+
Utils->TreeRoot->AddChild(Node);
params.clear();
params.push_back(InboundServerName);
params.push_back("*");
params.push_back("1");
+ params.push_back(InboundSID);
params.push_back(":"+InboundDescription);
- Utils->DoOneToAllButSender(Utils->TreeRoot->GetName(),"SERVER",params,InboundServerName);
- this->bursting = true;
+ Utils->DoOneToAllButSender(Instance->Config->GetSID(),"SERVER",params,InboundServerName);
+ Node->bursting = true;
this->DoBurst(Node);
}
else if (command == "ERROR")
break;
case LISTENER:
- this->WriteLine("ERROR :Internal error -- listening socket accepted its own descriptor!!!");
+ /*
+ * This really shouldn't happen.
+ */
+ this->SendError("Internal error -- listening socket accepted its own descriptor!!!");
return false;
break;
case CONNECTING:
+ /*
+ * State CONNECTING:
+ * We're connecting (OUTGOING) to another server. They are in state WAIT_AUTH_1 until they verify
+ * our credentials, when they proceed into WAIT_AUTH_2 and send SERVER to us. We then send BURST
+ * + our netburst, which will put them into CONNECTED state. -- w
+ */
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.
+ // Our credentials have been accepted, send netburst. (this puts US into the CONNECTED state)
return this->Outbound_Reply_Server(params);
}
else if (command == "ERROR")
{
return this->Error(params);
}
+ else if (command == "CAPAB")
+ {
+ return this->Capab(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 != "")
+ /*
+ * State CONNECTED:
+ * Credentials have been exchanged, we've gotten their 'BURST' (or sent ours).
+ * Anything from here on should be accepted a little more reasonably.
+ */
+ if (!prefix.empty())
{
+ /*
+ * Check for fake direction here, and drop any instances that are found.
+ * What is fake direction? Imagine the following server setup:
+ * 0AA <-> 0AB <-> 0AC
+ * Fake direction would be 0AC sending a message to 0AB claiming to be from
+ * 0AA, or something similar. Basically, a message taking a path that *cannot*
+ * be correct.
+ *
+ * When would this be seen?
+ * Well, hopefully never. It could be caused by race conditions, bugs, or
+ * "miscreant" servers, though, so let's check anyway. -- w
+ */
std::string direction = prefix;
- userrec* t = this->Instance->FindNick(prefix);
+
+ User *t = this->Instance->FindUUID(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());
+ Instance->Logs->Log("m_spanningtree",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->SetNextPingTime(Instance->Time() + Utils->PingFreq);
route_back_again->SetPingFlag();
}
-
- if (command == "SVSMODE")
+ else
{
- /* Services expects us to implement
- * SVSMODE. In inspircd its the same as
- * MODE anyway.
+ /*
+ * Empty prefix from a server to server link:
+ * This is somewhat bad/naughty, so let's set the prefix
+ * to be the link that we got it from, so we don't break anything. -- w
*/
+ TreeServer* n = Utils->FindServer(GetName());
+ if (n)
+ prefix = n->GetID();
+ else
+ prefix = GetName();
+ }
+
+ /*
+ * First up, check for any malformed commands (e.g. MODE without a timestamp)
+ * and rewrite commands where necessary (SVSMODE -> MODE for services). -- w
+ */
+ if (command == "SVSMODE") // This isn't in an "else if" so we still force FMODE for changes on channels.
command = "MODE";
+
+ if (command == "MODE")
+ {
+ if (params.size() >= 2)
+ {
+ Channel* channel = Instance->FindChan(params[0]);
+ if (channel)
+ {
+ this->SendError("MODE may no longer be used on channels. Please use FMODE, with correct timestamp rules.");
+ return false;
+ }
+ }
+ }
+
+
+ /*
+ * Now, check for (and parse) commands as appropriate. -- w
+ */
+
+ /* Find the server that this command originated from, used in the handlers below */
+ TreeServer *ServerSource = Utils->FindServer(prefix);
+
+ /* Find the link we just got this from so we don't bounce it back incorrectly */
+ std::string sourceserv = this->myhost;
+ if (!this->InboundServerName.empty())
+ {
+ sourceserv = this->InboundServerName;
}
- std::string target = "";
- /* Yes, know, this is a mess. Its reasonably fast though as we're
- * working with std::string here.
+
+ /*
+ * XXX one of these days, this needs to be moved into class Commands.
*/
- if ((command == "NICK") && (params.size() > 1))
+ if (command == "UID")
{
- return this->IntroduceClient(prefix,params);
+ return this->ParseUID(prefix, params);
}
else if (command == "FJOIN")
{
return this->ForceJoin(prefix,params);
}
+ else if ((command == "NOTICE" || command == "PRIVMSG") && (Utils->IsServer(prefix)))
+ {
+ return this->ServerMessage(assign(command), prefix, params, sourceserv);
+ }
else if (command == "STATS")
{
return this->Stats(prefix, params);
{
return this->Motd(prefix, params);
}
+ else if (command == "KILL" && ServerSource)
+ {
+ // Kill from a server
+ return this->RemoteKill(prefix,params);
+ }
+ else if (command == "MODULES")
+ {
+ return this->Modules(prefix, params);
+ }
else if (command == "ADMIN")
{
return this->Admin(prefix, params);
}
+ else if (command == "MAP")
+ {
+ User* user = Instance->FindNick(prefix);
+ if (user)
+ {
+ std::vector<std::string> p(params.begin(), params.end());
+ return Utils->Creator->HandleMap(p, user);
+ }
+ }
else if (command == "SERVER")
{
return this->RemoteServer(prefix,params);
{
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->AddLine(prefix,params);
}
+ else if (command == "DELLINE")
+ {
+ return this->DelLine(prefix,params);
+ }
else if (command == "SVSNICK")
{
- if (prefix == "")
- {
- prefix = this->GetName();
- }
return this->ForceNick(prefix,params);
}
- else if (command == "RSQUIT")
+ else if (command == "OPERQUIT")
{
- return this->RemoteSquit(prefix, params);
+ return this->OperQuit(prefix,params);
}
else if (command == "IDLE")
{
{
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)
+ TreeServer* pf = Utils->FindServer(prefix);
+ User* user = this->Instance->FindNick(params[1]);
+ Channel* chan = this->Instance->FindChan(params[0]);
+ if (pf && user && chan)
{
- if (!chan->ServerKickUser(user, params[2].c_str(), false))
+ if (!chan->ServerKickUser(user, params[2].c_str(), false, pf->GetName().c_str()))
/* 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 == "SVSPART")
+ {
+ return this->ServicePart(prefix,params);
+ }
else if (command == "SQUIT")
{
if (params.size() == 2)
}
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());
+ if (ServerSource)
+ Instance->Users->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.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]);
+ Instance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + (ServerSource ? ServerSource->GetName().c_str() : prefix) + ": "+ params[1]);
+ return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
+ }
+
+ }
+ else if (command == "BURST")
+ {
+ // Set prefix server as bursting
+ if (!ServerSource)
+ {
+ this->Instance->SNO->WriteToSnoMask('l', "WTF: Got BURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
+ return false;
}
+
+ ServerSource->bursting = true;
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 != "")
+ if (!ServerSource)
{
- sourceserv = this->InboundServerName;
+ this->Instance->SNO->WriteToSnoMask('l', "WTF: Got ENDBURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
+ return false;
}
- 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);
+
+ ServerSource->FinishBurst();
+ return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
+ }
+ else if (command == "ENCAP")
+ {
+ return this->Encap(prefix, params);
+ }
+ else if (command == "MODE")
+ {
+ // Server-prefix MODE.
+ std::vector<std::string> modelist(params.begin(), params.end());
- return true;
+ /* We don't support this for channel mode changes any more! */
+ if (params.size() >= 1)
+ {
+ if (Instance->FindChan(params[0]))
+ {
+ this->SendError("Protocol violation by '"+(ServerSource ? ServerSource->GetName().c_str() : prefix)+"'! MODE for channel mode changes is not supported by the InspIRCd 1.2 protocol. You must use FMODE to preserve channel timestamps.");
+ return false;
+ }
+ }
+
+ // Insert into the parser
+ this->Instance->SendMode(modelist, this->Instance->FakeClient);
+
+ // Pass out to the network
+ return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
}
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 != "")
+ /*
+ * Not a special s2s command. Emulate the user doing it.
+ * This saves us having a huge ugly command parser again.
+ */
+ User *who = this->Instance->FindUUID(prefix);
+
+ if (!who)
{
- sourceserv = this->InboundServerName;
+ // this looks ugly because command is an irc::string
+ this->SendError("Command (" + std::string(command.c_str()) + ") from unknown prefix (" + prefix + ")! Dropping link.");
+ return false;
}
- 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")
{
- 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++)
+ if (params.size() != 2)
{
- strparams[q] = params[q].c_str();
+ SendError("Protocol violation: NICK message without TS - :"+std::string(who->uuid)+" NICK "+params[0]);
+ return false;
}
- switch (this->Instance->CallCommandHandler(command.c_str(), strparams, params.size(), who))
+ /* Update timestamp on user when they change nicks */
+ who->age = atoi(params[1].c_str());
+
+ /*
+ * On nick messages, check that the nick doesnt already exist here.
+ * If it does, perform collision logic.
+ */
+ User* x = this->Instance->FindNickOnly(params[0]);
+ if ((x) && (x != who))
{
- case CMD_INVALID:
- this->WriteLine("ERROR :Unrecognised command '"+std::string(command.c_str())+"' -- possibly loaded mismatched modules");
- return false;
- break;
- case CMD_FAILURE:
+ int collideret = 0;
+ /* x is local, who is remote */
+ collideret = this->DoCollision(x, who->age, who->ident, who->GetIPString(), who->uuid);
+ if (collideret != 1)
+ {
+ /*
+ * Remote client lost, or both lost, parsing this nickchange would be
+ * pointless, as the incoming client's server will soon recieve SVSNICK to
+ * change its nick to its UID. :) -- w00t
+ */
return true;
- break;
- default:
- /* CMD_SUCCESS and CMD_USER_DELETED fall through here */
- break;
+ }
}
}
- else
+
+ // its a user
+ std::vector<std::string> strparams(params.begin(), params.end());
+
+ switch (this->Instance->CallCommandHandler(command.c_str(), strparams, who))
{
- // its not a user. Its either a server, or somethings screwed up.
- if (Utils->IsServer(prefix))
- target = this->Instance->Config->ServerName;
- else
+ case CMD_INVALID:
+ /*
+ * XXX: command is irc::string, hence ugliness
+ */
+ this->SendError("Unrecognised or malformed command '" + std::string(command.c_str()) + "' -- possibly loaded mismatched modules");
+ return false;
+ break;
+ case CMD_FAILURE:
+ /*
+ * CMD_LOCALONLY is aliased to CMD_FAILURE, so this won't go out onto the network.
+ */
return true;
+ break;
+ default:
+ /* CMD_SUCCESS falls through here */
+ break;
}
+
return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
}
return true;
- break;
+ break; // end of state CONNECTED (phew).
}
return true;
}
std::string TreeSocket::GetName()
{
std::string sourceserv = this->myhost;
- if (this->InboundServerName != "")
+ if (!this->InboundServerName.empty())
{
sourceserv = this->InboundServerName;
}
{
if (this->LinkState == CONNECTING)
{
- this->Instance->SNO->WriteToSnoMask('l',"CONNECT: Connection to \002"+myhost+"\002 timed out.");
+ Utils->Creator->RemoteMessage(NULL, "CONNECT: Connection to \002%s\002 timed out.", myhost.c_str());
Link* MyLink = Utils->FindLink(myhost);
if (MyLink)
Utils->DoFailOver(MyLink);
void TreeSocket::OnClose()
{
+ // Test fix for big fuckup
+ if (this->LinkState != CONNECTED)
+ return;
+
// 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 != "")
+ if (!this->InboundServerName.empty())
{
quitserver = this->InboundServerName;
}
Squit(s,"Remote host closed the connection");
}
- if (quitserver != "")
- this->Instance->SNO->WriteToSnoMask('l',"Connection to '\2%s\2' failed.",quitserver.c_str());
+ if (!quitserver.empty())
+ {
+ Utils->Creator->RemoteMessage(NULL,"Connection to '\2%s\2' failed.",quitserver.c_str());
+ time_t server_uptime = Instance->Time() - this->age;
+ if (server_uptime)
+ Utils->Creator->RemoteMessage(NULL,"Connection to '\2%s\2' was established for %s", quitserver.c_str(), Utils->Creator->TimeToStr(server_uptime).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()))
+ for (std::vector<std::string>::iterator i = Utils->ValidIPs.begin(); i != Utils->ValidIPs.end(); i++)
+ {
+ if ((*i) == "*" || irc::sockets::MatchCIDR(ip, (*i).c_str()))
+ {
found = true;
+ break;
+ }
+ }
if (!found)
{
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from %s denied (no link blocks with that IP address)", ip);
- close(newsock);
+ Utils->Creator->RemoteMessage(NULL,"Server connection from %s denied (no link blocks with that IP address)", ip);
+ Instance->SE->Close(newsock);
return false;
}
}
projects / user / henk / code / inspircd.git / blobdiff