X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcommands%2Fcmd_whowas.cpp;h=ea1020fbc6f798807601e97df7d199a864594bb0;hb=c202dea024542b9c6c6b771bb9a3a081d9eacdc5;hp=7b44a02909a6241594516fb67bd23ffd7219cef7;hpb=5db1d322be106c8462dc691072f9415dc0766ed4;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/commands/cmd_whowas.cpp b/src/commands/cmd_whowas.cpp index 7b44a0290..ea1020fbc 100644 --- a/src/commands/cmd_whowas.cpp +++ b/src/commands/cmd_whowas.cpp @@ -1,229 +1,173 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2008 Craig Edwards + * Copyright (C) 2007-2008 Robin Burchell * - * 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 "commands/cmd_whowas.h" -WhoWasMaintainTimer * timer; - -extern "C" DllExport Command* init_command(InspIRCd* Instance) -{ - return new CommandWhowas(Instance); -} - -CommandWhowas::CommandWhowas(InspIRCd* Instance) : Command(Instance, "WHOWAS", 0, 1, false, 2) +CommandWhowas::CommandWhowas( Module* parent) + : Command(parent, "WHOWAS", 1) + , GroupSize(0), MaxGroups(0), MaxKeep(0) { syntax = "{,}"; - timer = new WhoWasMaintainTimer(Instance, 3600); - Instance->Timers->AddTimer(timer); + Penalty = 2; } -CmdResult CommandWhowas::Handle (const char** parameters, int, User* user) +CmdResult CommandWhowas::Handle (const std::vector& parameters, User* user) { /* if whowas disabled in config */ - if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0) + if (this->GroupSize == 0 || this->MaxGroups == 0) { - user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str()); + user->WriteNumeric(421, "%s %s :This command has been disabled.",user->nick.c_str(),name.c_str()); return CMD_FAILURE; } - whowas_users::iterator i = whowas.find(parameters[0]); + whowas_users::iterator i = whowas.find(assign(parameters[0])); if (i == whowas.end()) { - user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]); - user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]); - return CMD_FAILURE; + user->WriteNumeric(406, "%s %s :There was no such nickname",user->nick.c_str(),parameters[0].c_str()); } else { whowas_set* grp = i->second; - if (grp->size()) + if (!grp->empty()) { for (whowas_set::iterator ux = grp->begin(); ux != grp->end(); ux++) { WhoWasGroup* u = *ux; - time_t rawtime = u->signon; - tm *timeinfo; - char b[MAXBUF]; - - timeinfo = localtime(&rawtime); - - /* XXX - 'b' could be only 25 chars long and then strlcpy() would terminate it for us too? */ - strlcpy(b,asctime(timeinfo),MAXBUF); - b[24] = 0; - - user->WriteServ("314 %s %s %s %s * :%s",user->nick,parameters[0],u->ident,u->dhost,u->gecos); - - if (IS_OPER(user)) - user->WriteServ("379 %s %s :was connecting from *@%s", user->nick, parameters[0], u->host); - - if (*ServerInstance->Config->HideWhoisServer && !IS_OPER(user)) - user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], ServerInstance->Config->HideWhoisServer, b); - else - user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], u->server, b); + + user->WriteNumeric(314, "%s %s %s %s * :%s",user->nick.c_str(),parameters[0].c_str(), + u->ident.c_str(),u->dhost.c_str(),u->gecos.c_str()); + + if (user->HasPrivPermission("users/auspex")) + user->WriteNumeric(379, "%s %s :was connecting from *@%s", + user->nick.c_str(), parameters[0].c_str(), u->host.c_str()); + + std::string signon = ServerInstance->TimeString(u->signon); + bool hide_server = (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex")); + user->WriteNumeric(312, "%s %s %s :%s",user->nick.c_str(), parameters[0].c_str(), (hide_server ? ServerInstance->Config->HideWhoisServer.c_str() : u->server.c_str()), signon.c_str()); } } else { - user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]); - user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]); - return CMD_FAILURE; + user->WriteNumeric(406, "%s %s :There was no such nickname",user->nick.c_str(),parameters[0].c_str()); } } - user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]); + user->WriteNumeric(369, "%s %s :End of WHOWAS",user->nick.c_str(),parameters[0].c_str()); return CMD_SUCCESS; } -CmdResult CommandWhowas::HandleInternal(const unsigned int id, const std::deque ¶meters) -{ - switch (id) - { - case WHOWAS_ADD: - AddToWhoWas((User*)parameters[0]); - break; - - case WHOWAS_STATS: - GetStats((Extensible*)parameters[0]); - break; - - case WHOWAS_PRUNE: - PruneWhoWas(ServerInstance->Time()); - break; - - case WHOWAS_MAINTAIN: - MaintainWhoWas(ServerInstance->Time()); - break; - - default: - break; - } - return CMD_SUCCESS; -} - -void CommandWhowas::GetStats(Extensible* ext) +std::string CommandWhowas::GetStats() { int whowas_size = 0; int whowas_bytes = 0; - whowas_users_fifo::iterator iter; - for (iter = whowas_fifo.begin(); iter != whowas_fifo.end(); iter++) + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) { - whowas_set* n = (whowas_set*)whowas.find(iter->second)->second; - if (n->size()) - { - whowas_size += n->size(); - whowas_bytes += (sizeof(whowas_set) + ( sizeof(WhoWasGroup) * n->size() ) ); - } + whowas_set* n = i->second; + whowas_size += n->size(); + whowas_bytes += (sizeof(whowas_set) + ( sizeof(WhoWasGroup) * n->size() ) ); } - stats.assign("Whowas(MAPSETS) " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)"); - ext->Extend("stats", stats.c_str()); + return "Whowas entries: " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)"; } void CommandWhowas::AddToWhoWas(User* user) { /* if whowas disabled */ - if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0) + if (this->GroupSize == 0 || this->MaxGroups == 0) { return; } - whowas_users::iterator iter = whowas.find(user->nick); + // Insert nick if it doesn't exist + // 'first' will point to the newly inserted element or to the existing element with an equivalent key + std::pair ret = whowas.insert(std::make_pair(irc::string(user->nick.c_str()), static_cast(NULL))); - if (iter == whowas.end()) + if (ret.second) // If inserted { + // This nick is new, create a list for it and add the first record to it whowas_set* n = new whowas_set; - WhoWasGroup *a = new WhoWasGroup(user); - n->push_back(a); - whowas[user->nick] = n; - whowas_fifo.push_back(std::make_pair(ServerInstance->Time(),user->nick)); + n->push_back(new WhoWasGroup(user)); + ret.first->second = n; + + // Add this nick to the fifo too + whowas_fifo.push_back(std::make_pair(ServerInstance->Time(), ret.first->first)); - if ((int)(whowas.size()) > ServerInstance->Config->WhoWasMaxGroups) + if (whowas.size() > this->MaxGroups) { - whowas_users::iterator iter2 = whowas.find(whowas_fifo[0].second); - if (iter2 != whowas.end()) + // Too many nicks, remove the nick which was inserted the longest time ago from both the map and the fifo + whowas_users::iterator it = whowas.find(whowas_fifo.front().second); + if (it != whowas.end()) { - whowas_set* n2 = (whowas_set*)iter2->second; - - if (n2->size()) - { - while (n2->begin() != n2->end()) - { - WhoWasGroup *a2 = *(n2->begin()); - delete a2; - n2->pop_front(); - } - } - - delete n2; - whowas.erase(iter2); + whowas_set* set = it->second; + for (whowas_set::iterator i = set->begin(); i != set->end(); ++i) + delete *i; + + delete set; + whowas.erase(it); } whowas_fifo.pop_front(); } } else { - whowas_set* group = (whowas_set*)iter->second; - WhoWasGroup *a = new WhoWasGroup(user); - group->push_back(a); + // We've met this nick before, add a new record to the list + whowas_set* set = ret.first->second; + set->push_back(new WhoWasGroup(user)); - if ((int)(group->size()) > ServerInstance->Config->WhoWasGroupSize) + // If there are too many records for this nick, remove the oldest (front) + if (set->size() > this->GroupSize) { - WhoWasGroup *a2 = (WhoWasGroup*)*(group->begin()); - delete a2; - group->pop_front(); + delete set->front(); + set->pop_front(); } } } /* on rehash, refactor maps according to new conf values */ -void CommandWhowas::PruneWhoWas(time_t t) +void CommandWhowas::Prune() { - /* config values */ - int groupsize = ServerInstance->Config->WhoWasGroupSize; - int maxgroups = ServerInstance->Config->WhoWasMaxGroups; - int maxkeep = ServerInstance->Config->WhoWasMaxKeep; + time_t min = ServerInstance->Time() - this->MaxKeep; /* first cut the list to new size (maxgroups) and also prune entries that are timed out. */ - whowas_users::iterator iter; - int fifosize; - while ((fifosize = (int)whowas_fifo.size()) > 0) + while (!whowas_fifo.empty()) { - if (fifosize > maxgroups || whowas_fifo[0].first < t - maxkeep) + if ((whowas_fifo.size() > this->MaxGroups) || (whowas_fifo.front().first < min)) { - iter = whowas.find(whowas_fifo[0].second); + whowas_users::iterator iter = whowas.find(whowas_fifo.front().second); /* hopefully redundant integrity check, but added while debugging r6216 */ if (iter == whowas.end()) { /* this should never happen, if it does maps are corrupt */ - ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (1)"); + ServerInstance->Logs->Log("WHOWAS", LOG_DEFAULT, "BUG: Whowas maps got corrupted! (1)"); return; } - whowas_set* n = (whowas_set*)iter->second; - - if (n->size()) - { - while (n->begin() != n->end()) - { - WhoWasGroup *a = *(n->begin()); - delete a; - n->pop_front(); - } - } + whowas_set* set = iter->second; + for (whowas_set::iterator i = set->begin(); i != set->end(); ++i) + delete *i; - delete n; + delete set; whowas.erase(iter); whowas_fifo.pop_front(); } @@ -232,117 +176,102 @@ void CommandWhowas::PruneWhoWas(time_t t) } /* Then cut the whowas sets to new size (groupsize) */ - fifosize = (int)whowas_fifo.size(); - for (int i = 0; i < fifosize; i++) + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) { - iter = whowas.find(whowas_fifo[0].second); - /* hopefully redundant integrity check, but added while debugging r6216 */ - if (iter == whowas.end()) + whowas_set* n = i->second; + while (n->size() > this->GroupSize) { - /* this should never happen, if it does maps are corrupt */ - ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (2)"); - return; - } - whowas_set* n = (whowas_set*)iter->second; - if (n->size()) - { - int nickcount = n->size(); - while (n->begin() != n->end() && nickcount > groupsize) - { - WhoWasGroup *a = *(n->begin()); - delete a; - n->pop_front(); - nickcount--; - } + delete n->front(); + n->pop_front(); } } } /* call maintain once an hour to remove expired nicks */ -void CommandWhowas::MaintainWhoWas(time_t t) +void CommandWhowas::Maintain() { - for (whowas_users::iterator iter = whowas.begin(); iter != whowas.end(); iter++) + time_t min = ServerInstance->Time() - this->MaxKeep; + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) { - whowas_set* n = (whowas_set*)iter->second; - if (n->size()) + whowas_set* set = i->second; + while (!set->empty() && set->front()->signon < min) { - while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep)) - { - WhoWasGroup *a = *(n->begin()); - delete a; - n->erase(n->begin()); - } + delete set->front(); + set->pop_front(); } } } CommandWhowas::~CommandWhowas() { - if (timer) + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) { - ServerInstance->Timers->DelTimer(timer); + whowas_set* set = i->second; + for (whowas_set::iterator j = set->begin(); j != set->end(); ++j) + delete *j; + + delete set; } +} - whowas_users::iterator iter; - int fifosize; - while ((fifosize = (int)whowas_fifo.size()) > 0) +WhoWasGroup::WhoWasGroup(User* user) : host(user->host), dhost(user->dhost), ident(user->ident), + server(user->server), gecos(user->fullname), signon(user->signon) +{ +} + +class ModuleWhoWas : public Module +{ + CommandWhowas cmd; + + public: + ModuleWhoWas() : cmd(this) { - iter = whowas.find(whowas_fifo[0].second); + } - /* hopefully redundant integrity check, but added while debugging r6216 */ - if (iter == whowas.end()) - { - /* this should never happen, if it does maps are corrupt */ - ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (3)"); - return; - } + void init() + { + ServerInstance->Modules->AddService(cmd); + } - whowas_set* n = (whowas_set*)iter->second; + void OnGarbageCollect() + { + // Remove all entries older than MaxKeep + cmd.Maintain(); + } - if (n->size()) - { - while (n->begin() != n->end()) - { - WhoWasGroup *a = *(n->begin()); - delete a; - n->pop_front(); - } - } + void OnUserQuit(User* user, const std::string& message, const std::string& oper_message) + { + cmd.AddToWhoWas(user); + } + + ModResult OnStats(char symbol, User* user, string_list &results) + { + if (symbol == 'z') + results.push_back(ServerInstance->Config->ServerName+" 249 "+user->nick+" :"+cmd.GetStats()); - delete n; - whowas.erase(iter); - whowas_fifo.pop_front(); + return MOD_RES_PASSTHRU; } -} -WhoWasGroup::WhoWasGroup(User* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon) -{ - this->host = strdup(user->host); - this->dhost = strdup(user->dhost); - this->ident = strdup(user->ident); - this->server = user->server; - this->gecos = strdup(user->fullname); -} + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + ConfigTag* tag = ServerInstance->Config->ConfValue("whowas"); + unsigned int NewGroupSize = tag->getInt("groupsize", 10, 0, 10000); + unsigned int NewMaxGroups = tag->getInt("maxgroups", 10240, 0, 1000000); + unsigned int NewMaxKeep = tag->getDuration("maxkeep", 3600, 3600); -WhoWasGroup::~WhoWasGroup() -{ - if (host) - free(host); - if (dhost) - free(dhost); - if (ident) - free(ident); - if (gecos) - free(gecos); -} + if ((NewGroupSize == cmd.GroupSize) && (NewMaxGroups == cmd.MaxGroups) && (NewMaxKeep == cmd.MaxKeep)) + return; -/* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */ -void WhoWasMaintainTimer::Tick(time_t) -{ - Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS"); - if (whowas_command) + cmd.GroupSize = NewGroupSize; + cmd.MaxGroups = NewMaxGroups; + cmd.MaxKeep = NewMaxKeep; + cmd.Prune(); + } + + Version GetVersion() { - std::deque params; - whowas_command->HandleInternal(WHOWAS_MAINTAIN, params); + return Version("WHOWAS", VF_VENDOR); } -} +}; + +MODULE_INIT(ModuleWhoWas)