X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcmd_whowas.cpp;h=f982d48737ad740fb63faa5039ac6ded28630c3a;hb=694e307c09334c21aaf1a6c3f0b7b6d95440dd3e;hp=e1c783f00e9c991ea010a77d1540baea92572eb3;hpb=990c9795ef193df913325558b18d1535109bc23e;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/cmd_whowas.cpp b/src/cmd_whowas.cpp index e1c783f00..f982d4873 100644 --- a/src/cmd_whowas.cpp +++ b/src/cmd_whowas.cpp @@ -2,101 +2,348 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * + * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits * - * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ -using namespace std; - -#include "inspircd_config.h" #include "inspircd.h" -#include "inspircd_io.h" -#include -#include -#ifdef GCC3 -#include -#else -#include -#endif -#include -#include -#include -#include -#include "users.h" -#include "ctables.h" -#include "globals.h" -#include "modules.h" -#include "dynamic.h" -#include "wildcard.h" -#include "message.h" -#include "commands.h" -#include "mode.h" -#include "xline.h" -#include "inspstring.h" -#include "dnsqueue.h" -#include "helperfuncs.h" -#include "hashcomp.h" -#include "socketengine.h" -#include "typedefs.h" -#include "command_parse.h" -#include "cmd_whowas.h" - -extern ServerConfig* Config; -extern InspIRCd* ServerInstance; -extern int MODCOUNT; -extern std::vector modules; -extern std::vector factory; -extern time_t TIME; -extern user_hash clientlist; -extern chan_hash chanlist; -extern std::vector all_opers; -extern std::vector local_users; -extern userrec* fd_ref_table[MAX_DESCRIPTORS]; - -extern whowas_users whowas; - -void cmd_whowas::Handle (char **parameters, int pcnt, userrec* user) +#include "commands/cmd_whowas.h" + +WhoWasMaintainTimer * timer; + +extern "C" DllExport Command* init_command(InspIRCd* Instance) +{ + return new cmd_whowas(Instance); +} + +cmd_whowas::cmd_whowas(InspIRCd* Instance) +: Command(Instance, "WHOWAS", 0, 1) { + syntax = "{,}"; + timer = new WhoWasMaintainTimer(Instance, 3600); + Instance->Timers->AddTimer(timer); +} + +CmdResult cmd_whowas::Handle (const char** parameters, int pcnt, userrec* user) +{ + /* if whowas disabled in config */ + if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0) + { + user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str()); + return CMD_FAILURE; + } + whowas_users::iterator i = whowas.find(parameters[0]); if (i == whowas.end()) { - WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]); + 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; } else { - whowas_set* grp = (whowas_set*)i->second; + whowas_set* grp = i->second; if (grp->size()) { for (whowas_set::iterator ux = grp->begin(); ux != grp->end(); ux++) { - WhoWasGroup* u = (WhoWasGroup*)*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; - WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,parameters[0],u->ident,u->dhost,u->gecos); - WriteServ(user->fd,"312 %s %s %s :%s",user->nick,parameters[0], *Config->HideWhoisServer ? Config->HideWhoisServer : u->server,b); - WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[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); + } + } + 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->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]); + return CMD_SUCCESS; +} + +CmdResult cmd_whowas::HandleInternal(const unsigned int id, const std::deque ¶meters) +{ + switch (id) + { + case WHOWAS_ADD: + AddToWhoWas((userrec*)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 cmd_whowas::GetStats(Extensible* ext) +{ + int whowas_size = 0; + int whowas_bytes = 0; + whowas_users_fifo::iterator iter; + for (iter = whowas_fifo.begin(); iter != whowas_fifo.end(); iter++) + { + 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() ) ); + } + } + stats.assign("Whowas(MAPSETS) " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)"); + ext->Extend("stats", stats.c_str()); +} + +void cmd_whowas::AddToWhoWas(userrec* user) +{ + /* if whowas disabled */ + if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0) + { + return; + } + + whowas_users::iterator iter = whowas.find(user->nick); + + if (iter == whowas.end()) + { + 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)); + + if ((int)(whowas.size()) > ServerInstance->Config->WhoWasMaxGroups) + { + whowas_users::iterator iter = whowas.find(whowas_fifo[0].second); + if (iter != whowas.end()) + { + whowas_set* n = (whowas_set*)iter->second; + + if (n->size()) + { + while (n->begin() != n->end()) + { + WhoWasGroup *a = *(n->begin()); + delete a; + n->pop_front(); + } + } + + delete n; + whowas.erase(iter); + } + whowas_fifo.pop_front(); + } + } + else + { + whowas_set* group = (whowas_set*)iter->second; + WhoWasGroup *a = new WhoWasGroup(user); + group->push_back(a); + + if ((int)(group->size()) > ServerInstance->Config->WhoWasGroupSize) + { + WhoWasGroup *a = (WhoWasGroup*)*(group->begin()); + delete a; + group->pop_front(); + } + } +} + +/* on rehash, refactor maps according to new conf values */ +void cmd_whowas::PruneWhoWas(time_t t) +{ + /* config values */ + int groupsize = ServerInstance->Config->WhoWasGroupSize; + int maxgroups = ServerInstance->Config->WhoWasMaxGroups; + int maxkeep = ServerInstance->Config->WhoWasMaxKeep; + + /* 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) + { + if (fifosize > maxgroups || whowas_fifo[0].first < t - maxkeep) + { + 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! (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(); + } + } + + delete n; + whowas.erase(iter); + whowas_fifo.pop_front(); } else + break; + } + + /* Then cut the whowas sets to new size (groupsize) */ + fifosize = (int)whowas_fifo.size(); + for (int i = 0; i < fifosize; i++) + { + 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! (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--; + } + } + } +} + +/* call maintain once an hour to remove expired nicks */ +void cmd_whowas::MaintainWhoWas(time_t t) +{ + for (whowas_users::iterator iter = whowas.begin(); iter != whowas.end(); iter++) + { + whowas_set* n = (whowas_set*)iter->second; + if (n->size()) { - WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]); + while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep)) + { + WhoWasGroup *a = *(n->begin()); + delete a; + n->erase(n->begin()); + } } } - WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]); } +cmd_whowas::~cmd_whowas() +{ + if (timer) + { + ServerInstance->Timers->DelTimer(timer); + } + + whowas_users::iterator iter; + int fifosize; + while ((fifosize = (int)whowas_fifo.size()) > 0) + { + 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; + } + + whowas_set* n = (whowas_set*)iter->second; + + if (n->size()) + { + while (n->begin() != n->end()) + { + WhoWasGroup *a = *(n->begin()); + delete a; + n->pop_front(); + } + } + + delete n; + whowas.erase(iter); + whowas_fifo.pop_front(); + } +} + +WhoWasGroup::WhoWasGroup(userrec* 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); +} + +WhoWasGroup::~WhoWasGroup() +{ + if (host) + free(host); + if (dhost) + free(dhost); + if (ident) + free(ident); + if (gecos) + free(gecos); +} + +/* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */ +void WhoWasMaintainTimer::Tick(time_t t) +{ + Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS"); + if (whowas_command) + { + std::deque params; + whowas_command->HandleInternal(WHOWAS_MAINTAIN, params); + } +}