X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fserver.cpp;h=2feb08f965c3bf51748778d4c2b71ebd0bdc39ad;hb=42888e2907dacb829e2a29effbee83efb5bef6ec;hp=8b137891791fe96927ad78e64b0aad7bded08bdc;hpb=9c8287feef282f529efc10303be337ffb25e7a26;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/server.cpp b/src/server.cpp index 8b1378917..2feb08f96 100644 --- a/src/server.cpp +++ b/src/server.cpp @@ -1 +1,226 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2008 Craig Edwards + * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * + * 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 +#include "exitcodes.h" +#include "inspircd.h" + +void InspIRCd::SignalHandler(int signal) +{ +#ifdef _WIN32 + if (signal == SIGTERM) +#else + if (signal == SIGHUP) + { + ServerInstance->SNO->WriteGlobalSno('a', "Rehashing due to SIGHUP"); + Rehash(); + } + else if (signal == SIGTERM) +#endif + { + Exit(EXIT_STATUS_SIGTERM); + } +} + +void InspIRCd::Exit(int status) +{ +#ifdef _WIN32 + SetServiceStopped(status); +#endif + this->Cleanup(); + ServerInstance = NULL; + delete this; + exit (status); +} + +void InspIRCd::Rehash(const std::string& uuid) +{ + if (!ServerInstance->ConfigThread) + { + ServerInstance->ConfigThread = new ConfigReaderThread(uuid); + ServerInstance->Threads.Start(ServerInstance->ConfigThread); + } +} + +std::string InspIRCd::GetVersionString(bool getFullVersion) +{ + if (getFullVersion) + return INSPIRCD_VERSION " " + Config->ServerName + " :" INSPIRCD_SYSTEM " [" INSPIRCD_SOCKETENGINE_NAME "," + Config->sid + "]"; + return INSPIRCD_BRANCH " " + Config->ServerName + " :" + Config->CustomVersion; +} + +std::string UIDGenerator::GenerateSID(const std::string& servername, const std::string& serverdesc) +{ + unsigned int sid = 0; + + for (std::string::const_iterator i = servername.begin(); i != servername.end(); ++i) + sid = 5 * sid + *i; + for (std::string::const_iterator i = serverdesc.begin(); i != serverdesc.end(); ++i) + sid = 5 * sid + *i; + + std::string sidstr = ConvToStr(sid % 1000); + sidstr.insert(0, 3 - sidstr.length(), '0'); + return sidstr; +} + +void UIDGenerator::IncrementUID(unsigned int pos) +{ + /* + * Okay. The rules for generating a UID go like this... + * -- > ABCDEFGHIJKLMNOPQRSTUVWXYZ --> 012345679 --> WRAP + * That is, we start at A. When we reach Z, we go to 0. At 9, we go to + * A again, in an iterative fashion.. so.. + * AAA9 -> AABA, and so on. -- w00t + */ + + // If we hit Z, wrap around to 0. + if (current_uid[pos] == 'Z') + { + current_uid[pos] = '0'; + } + else if (current_uid[pos] == '9') + { + /* + * Or, if we hit 9, wrap around to pos = 'A' and (pos - 1)++, + * e.g. A9 -> BA -> BB .. + */ + current_uid[pos] = 'A'; + if (pos == 3) + { + // At pos 3, if we hit '9', we've run out of available UIDs, and reset to AAA..AAA. + return; + } + this->IncrementUID(pos - 1); + } + else + { + // Anything else, nobody gives a shit. Just increment. + current_uid[pos]++; + } +} + +void UIDGenerator::init(const std::string& sid) +{ + /* + * Copy SID into the first three digits, 9's to the rest, null term at the end + * Why 9? Well, we increment before we find, otherwise we have an unnecessary copy, and I want UID to start at AAA..AA + * and not AA..AB. So by initialising to 99999, we force it to rollover to AAAAA on the first IncrementUID call. + * Kind of silly, but I like how it looks. + * -- w + */ + + current_uid.resize(UUID_LENGTH, '9'); + current_uid[0] = sid[0]; + current_uid[1] = sid[1]; + current_uid[2] = sid[2]; +} + +/* + * Retrieve the next valid UUID that is free for this server. + */ +std::string UIDGenerator::GetUID() +{ + while (1) + { + // Add one to the last UID + this->IncrementUID(UUID_LENGTH - 1); + + if (!ServerInstance->FindUUID(current_uid)) + break; + + /* + * It's in use. We need to try the loop again. + */ + } + + return current_uid; +} + +void ISupportManager::Build() +{ + /** + * This is currently the neatest way we can build the initial ISUPPORT map. In + * the future we can use an initializer list here. + */ + std::map tokens; + + tokens["AWAYLEN"] = ConvToStr(ServerInstance->Config->Limits.MaxAway); + tokens["CASEMAPPING"] = "rfc1459"; + tokens["CHANLIMIT"] = InspIRCd::Format("#:%u", ServerInstance->Config->MaxChans); + tokens["CHANMODES"] = ServerInstance->Modes->GiveModeList(MODETYPE_CHANNEL); + tokens["CHANNELLEN"] = ConvToStr(ServerInstance->Config->Limits.ChanMax); + tokens["CHANTYPES"] = "#"; + tokens["ELIST"] = "MU"; + tokens["KICKLEN"] = ConvToStr(ServerInstance->Config->Limits.MaxKick); + tokens["MAXBANS"] = "64"; // TODO: make this a config setting. + tokens["MAXTARGETS"] = ConvToStr(ServerInstance->Config->MaxTargets); + tokens["MODES"] = ConvToStr(ServerInstance->Config->Limits.MaxModes); + tokens["NETWORK"] = ServerInstance->Config->Network; + tokens["NICKLEN"] = ConvToStr(ServerInstance->Config->Limits.NickMax); + tokens["PREFIX"] = ServerInstance->Modes->BuildPrefixes(); + tokens["STATUSMSG"] = ServerInstance->Modes->BuildPrefixes(false); + tokens["TOPICLEN"] = ConvToStr(ServerInstance->Config->Limits.MaxTopic); + tokens["VBANLIST"]; + + // Modules can add new tokens and also edit or remove existing tokens + FOREACH_MOD(On005Numeric, (tokens)); + + // EXTBAN is a special case as we need to sort it and prepend a comma. + std::map::iterator extban = tokens.find("EXTBAN"); + if (extban != tokens.end()) + { + std::sort(extban->second.begin(), extban->second.end()); + extban->second.insert(0, ","); + } + + // Transform the map into a list of lines, ready to be sent to clients + Numeric::Numeric numeric(RPL_ISUPPORT); + unsigned int token_count = 0; + cachedlines.clear(); + + for (std::map::const_iterator it = tokens.begin(); it != tokens.end(); ++it) + { + numeric.push(it->first); + std::string& token = numeric.GetParams().back(); + + // If this token has a value then append a '=' char after the name and then the value itself + if (!it->second.empty()) + token.append(1, '=').append(it->second); + + token_count++; + + if (token_count % 13 == 12 || it == --tokens.end()) + { + // Reached maximum number of tokens for this line or the current token + // is the last one; finalize the line and store it for later use + numeric.push("are supported by this server"); + cachedlines.push_back(numeric); + numeric.GetParams().clear(); + } + } +} + +void ISupportManager::SendTo(LocalUser* user) +{ + for (std::vector::const_iterator i = cachedlines.begin(); i != cachedlines.end(); ++i) + user->WriteNumeric(*i); +}