X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=8e6627d1f5c8f35c5c0089c01c9ee3edce787668;hb=d49e33b22c2cbb22bad71fb07ce8003dec8270cf;hp=d048b75df9da59982f853f9198069f8cc32834b5;hpb=e51a4b5c29deac855496d6658a3c4612a61ffbb7;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index d048b75df..8e6627d1f 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -2,55 +2,24 @@ * | 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. + * the file COPYING for details. * * --------------------------------------------------- */ +#include "inspircd.h" #include -#include "inspircd_config.h" #include "configreader.h" -#include -#include -#include -#include -#include -#include -#include -#ifdef HAS_EXECINFO -#include -#endif -#include "connection.h" #include "users.h" -#include "ctables.h" -#include "globals.h" #include "modules.h" -#include "dynamic.h" #include "wildcard.h" #include "mode.h" #include "xline.h" -#include "commands.h" -#include "inspstring.h" -#include "helperfuncs.h" -#include "hashcomp.h" -#include "typedefs.h" -#include "inspircd.h" - -extern int MODCOUNT; -extern ModuleList modules; -extern InspIRCd* ServerInstance; -extern time_t TIME; -extern char lowermap[255]; -extern std::vector all_opers; - -char LOG_FILE[MAXBUF]; +#include "exitcodes.h" static char TIMESTR[26]; static time_t LAST = 0; @@ -61,41 +30,51 @@ static time_t LAST = 0; */ void InspIRCd::Log(int level, const char* text, ...) { + /* sanity check, just in case */ + if (!this->Config) + return; + + /* Do this check again here so that we save pointless vsnprintf calls */ + if ((level < Config->LogLevel) && !Config->forcedebug) + return; + va_list argsPtr; - char textbuffer[MAXBUF]; + char textbuffer[65536]; va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); + vsnprintf(textbuffer, 65536, text, argsPtr); va_end(argsPtr); - InspIRCd::Log(level, std::string(textbuffer)); + this->Log(level, std::string(textbuffer)); } void InspIRCd::Log(int level, const std::string &text) { - if (!ServerInstance || !ServerInstance->Config) + /* sanity check, just in case */ + if (!this->Config) return; /* If we were given -debug we output all messages, regardless of configured loglevel */ - if ((level < ServerInstance->Config->LogLevel) && !ServerInstance->Config->forcedebug) + if ((level < Config->LogLevel) && !Config->forcedebug) return; - if (TIME != LAST) + if (Time() != LAST) { - struct tm *timeinfo = localtime(&TIME); + time_t local = Time(); + struct tm *timeinfo = localtime(&local); strlcpy(TIMESTR,asctime(timeinfo),26); TIMESTR[24] = ':'; - LAST = TIME; + LAST = Time(); } - if (ServerInstance->Config->log_file && ServerInstance->Config->writelog) + if (Config->log_file && Config->writelog) { - fprintf(ServerInstance->Config->log_file,"%s %s\n",TIMESTR,text.c_str()); - fflush(ServerInstance->Config->log_file); + std::string out = std::string(TIMESTR) + " " + text.c_str() + "\n"; + this->Logger->WriteLogLine(out); } - if (ServerInstance->Config->nofork) + if (Config->nofork) { printf("%s %s\n", TIMESTR, text.c_str()); } @@ -103,11 +82,11 @@ void InspIRCd::Log(int level, const std::string &text) std::string InspIRCd::GetServerDescription(const char* servername) { - std::string description = ""; + std::string description; - FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description)); + FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description)); - if (description != "") + if (!description.empty()) { return description; } @@ -139,10 +118,10 @@ void InspIRCd::WriteOpers(const char* text, ...) void InspIRCd::WriteOpers(const std::string &text) { - for (std::vector::iterator i = all_opers.begin(); i != all_opers.end(); i++) + for (std::vector::iterator i = this->all_opers.begin(); i != this->all_opers.end(); i++) { userrec* a = *i; - if (IS_LOCAL(a) && a->modes[UM_SERVERNOTICE]) + if (IS_LOCAL(a) && a->IsModeSet('s')) { // send server notices to all with +s a->WriteServ("NOTICE %s :%s",a->nick,text.c_str()); @@ -162,7 +141,7 @@ void InspIRCd::ServerNoticeAll(char* text, ...) vsnprintf(textbuffer, MAXBUF, text, argsPtr); va_end(argsPtr); - snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",ServerInstance->Config->ServerName,textbuffer); + snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",Config->ServerName,textbuffer); for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { @@ -183,7 +162,7 @@ void InspIRCd::ServerPrivmsgAll(char* text, ...) vsnprintf(textbuffer, MAXBUF, text, argsPtr); va_end(argsPtr); - snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",ServerInstance->Config->ServerName,textbuffer); + snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",Config->ServerName,textbuffer); for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { @@ -198,9 +177,9 @@ void InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...) int modelen; va_list argsPtr; - if ((!text) || (!modes) || (!flags)) + if (!text || !modes || !flags) { - log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); + this->Log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); return; } @@ -209,70 +188,57 @@ void InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...) va_end(argsPtr); modelen = strlen(modes); - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + if (flags == WM_AND) { - userrec* t = (userrec*)(*i); - bool send_to_user = false; - - if (flags == WM_AND) + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { - send_to_user = true; + userrec* t = *i; + bool send_to_user = true; for (int n = 0; n < modelen; n++) { - if (!t->modes[modes[n]-65]) + if (!t->IsModeSet(modes[n])) { send_to_user = false; break; } } + if (send_to_user) + { + t->WriteServ("NOTICE %s :%s", t->nick, textbuffer); + } } - else if (flags == WM_OR) + } + else if (flags == WM_OR) + { + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) { - send_to_user = false; + userrec* t = *i; + bool send_to_user = false; for (int n = 0; n < modelen; n++) { - if (t->modes[modes[n]-65]) + if (t->IsModeSet(modes[n])) { send_to_user = true; break; } } - } - if (send_to_user) - { - t->WriteServ("NOTICE %s :%s",t->nick,textbuffer); + if (send_to_user) + { + t->WriteServ("NOTICE %s :%s", t->nick, textbuffer); + } } } } -/* convert a string to lowercase. Note following special circumstances - * taken from RFC 1459. Many "official" server branches still hold to this - * rule so i will too; - * - * Because of IRC's scandanavian origin, the characters {}| are - * considered to be the lower case equivalents of the characters []\, - * respectively. This is a critical issue when determining the - * equivalence of two nicknames. - */ -void strlower(char *n) -{ - if (n) - { - for (char* t = n; *t; t++) - *t = lowermap[(unsigned char)*t]; - } -} - /* Find a user record by nickname and return a pointer to it */ - userrec* InspIRCd::FindNick(const std::string &nick) { - user_hash::iterator iter = clientlist.find(nick); + user_hash::iterator iter = clientlist->find(nick); - if (iter == clientlist.end()) + if (iter == clientlist->end()) /* Couldn't find it */ return NULL; @@ -281,31 +247,20 @@ userrec* InspIRCd::FindNick(const std::string &nick) userrec* InspIRCd::FindNick(const char* nick) { - user_hash::iterator iter; - - if (!nick) - return NULL; - - iter = clientlist.find(nick); + user_hash::iterator iter = clientlist->find(nick); - if (iter == clientlist.end()) + if (iter == clientlist->end()) return NULL; return iter->second; } /* find a channel record by channel name and return a pointer to it */ - chanrec* InspIRCd::FindChan(const char* chan) { - chan_hash::iterator iter; - - if (!chan) - return NULL; + chan_hash::iterator iter = chanlist->find(chan); - iter = chanlist.find(chan); - - if (iter == chanlist.end()) + if (iter == chanlist->end()) /* Couldn't find it */ return NULL; @@ -314,200 +269,93 @@ chanrec* InspIRCd::FindChan(const char* chan) chanrec* InspIRCd::FindChan(const std::string &chan) { - chan_hash::iterator iter = chanlist.find(chan); + chan_hash::iterator iter = chanlist->find(chan); - if (iter == chanlist.end()) + if (iter == chanlist->end()) /* Couldn't find it */ return NULL; return iter->second; } - -/* - * sends out an error notice to all connected clients (not to be used - * lightly!) - */ -void InspIRCd::SendError(const char *s) +/* Send an error notice to all users, registered or not */ +void InspIRCd::SendError(const std::string &s) { for (std::vector::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++) { - userrec* t = (userrec*)(*i); - if (t->registered == REG_ALL) + if ((*i)->registered == REG_ALL) { - t->WriteServ("NOTICE %s :%s",t->nick,s); + (*i)->WriteServ("NOTICE %s :%s",(*i)->nick,s.c_str()); } else { - // fix - unregistered connections receive ERROR, not NOTICE - t->Write("ERROR :%s",s); + /* Unregistered connections receive ERROR, not a NOTICE */ + (*i)->Write("ERROR :" + s); } + /* This might generate a whole load of EAGAIN, but we dont really + * care about this, as if we call SendError something catastrophic + * has occured anyway, and we wont receive the events for these. + */ + (*i)->FlushWriteBuf(); } } -void Error(int status) +/* this function counts all users connected, wether they are registered or NOT. */ +int InspIRCd::UserCount() { - void *array[300]; - size_t size; - char **strings; - - signal(SIGALRM, SIG_IGN); - signal(SIGPIPE, SIG_IGN); - signal(SIGTERM, SIG_IGN); - signal(SIGABRT, SIG_IGN); - signal(SIGSEGV, SIG_IGN); - signal(SIGURG, SIG_IGN); - signal(SIGKILL, SIG_IGN); - log(DEFAULT,"*** fell down a pothole in the road to perfection ***"); -#ifdef HAS_EXECINFO - log(DEFAULT,"Please report the backtrace lines shown below with any bugreport to the bugtracker at http://www.inspircd.org/bugtrack/"); - size = backtrace(array, 30); - strings = backtrace_symbols(array, size); - for (size_t i = 0; i < size; i++) { - log(DEFAULT,"[%d] %s", i, strings[i]); - } - free(strings); - ServerInstance->WriteOpers("*** SIGSEGV: Please see the ircd.log for backtrace and report the error to http://www.inspircd.org/bugtrack/"); -#else - log(DEFAULT,"You do not have execinfo.h so i could not backtrace -- on FreeBSD, please install the libexecinfo port."); -#endif - ServerInstance->SendError("Somebody screwed up... Whoops. IRC Server terminating."); - signal(SIGSEGV, SIG_DFL); - if (raise(SIGSEGV) == -1) - { - log(DEFAULT,"What the hell, i couldnt re-raise SIGSEGV! Error: %s",strerror(errno)); - } - Exit(status); + return clientlist->size(); } -// this function counts all users connected, wether they are registered or NOT. -int InspIRCd::usercnt() +/* this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state */ +int InspIRCd::RegisteredUserCount() { - return clientlist.size(); + return clientlist->size() - this->UnregisteredUserCount(); } -// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state -int InspIRCd::registered_usercount() +/* return how many users have a given mode e.g. 'a' */ +int InspIRCd::ModeCount(const char mode) { - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - c += (i->second->registered == REG_ALL); - } + ModeHandler* mh = this->Modes->FindMode(mode, MODETYPE_USER); - return c; + if (mh) + return mh->GetCount(); + else + return 0; } -int InspIRCd::usercount_invisible() +/* wrapper for readability */ +int InspIRCd::InvisibleUserCount() { - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - c += ((i->second->registered == REG_ALL) && (i->second->modes[UM_INVISIBLE])); - } - - return c; + return ModeCount('i'); } -int InspIRCd::usercount_opers() +/* return how many users are opered */ +int InspIRCd::OperCount() { - int c = 0; - - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) - { - if (*(i->second->oper)) - c++; - } - return c; + return this->all_opers.size(); } -int InspIRCd::usercount_unknown() +/* return how many users are unregistered */ +int InspIRCd::UnregisteredUserCount() { - int c = 0; - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = (userrec*)(*i); - if (t->registered != REG_ALL) - c++; - } - - return c; + return this->unregistered_count; } -long InspIRCd::chancount() +/* return channel count */ +long InspIRCd::ChannelCount() { - return chanlist.size(); + return chanlist->size(); } -long InspIRCd::local_count() +/* return how many local registered users there are */ +long InspIRCd::LocalUserCount() { - int c = 0; - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = (userrec*)(*i); - if (t->registered == REG_ALL) - c++; - } - - return c; + /* Doesnt count unregistered clients */ + return (local_users.size() - this->UnregisteredUserCount()); } -void ShowMOTD(userrec *user) -{ - if (!ServerInstance->Config->MOTD.size()) - { - user->WriteServ("422 %s :Message of the day file is missing.",user->nick); - return; - } - user->WriteServ("375 %s :%s message of the day", user->nick, ServerInstance->Config->ServerName); - - for (unsigned int i = 0; i < ServerInstance->Config->MOTD.size(); i++) - user->WriteServ("372 %s :- %s",user->nick,ServerInstance->Config->MOTD[i].c_str()); - - user->WriteServ("376 %s :End of message of the day.", user->nick); -} - -void ShowRULES(userrec *user) -{ - if (!ServerInstance->Config->RULES.size()) - { - user->WriteServ("NOTICE %s :Rules file is missing.",user->nick); - return; - } - user->WriteServ("NOTICE %s :%s rules",user->nick,ServerInstance->Config->ServerName); - - for (unsigned int i = 0; i < ServerInstance->Config->RULES.size(); i++) - user->WriteServ("NOTICE %s :%s",user->nick,ServerInstance->Config->RULES[i].c_str()); - - user->WriteServ("NOTICE %s :End of %s rules.",user->nick,ServerInstance->Config->ServerName); -} - -// this returns 1 when all modules are satisfied that the user should be allowed onto the irc server -// (until this returns true, a user will block in the waiting state, waiting to connect up to the -// registration timeout maximum seconds) -bool AllModulesReportReady(userrec* user) -{ - if (!ServerInstance->Config->global_implementation[I_OnCheckReady]) - return true; - - for (int i = 0; i <= MODCOUNT; i++) - { - if (ServerInstance->Config->implement_lists[i][I_OnCheckReady]) - { - int res = modules[i]->OnCheckReady(user); - if (!res) - return false; - } - } - - return true; -} - -bool IsValidChannelName(const char *chname) +/* true for valid channel name, false else */ +bool InspIRCd::IsChannel(const char *chname) { char *c; @@ -540,76 +388,149 @@ bool IsValidChannelName(const char *chname) return true; } -void OpenLog(char** argv, int argc) +/* true for valid nickname, false else */ +bool IsNickHandler::Call(const char* n) { - if (!*LOG_FILE) + if (!n || !*n) + return false; + + int p = 0; + for (char* i = (char*)n; *i; i++, p++) { - if (ServerInstance->Config->logpath == "") + if ((*i >= 'A') && (*i <= '}')) { - ServerInstance->Config->logpath = ServerConfig::GetFullProgDir(argv,argc) + "/ircd.log"; + /* "A"-"}" can occur anywhere in a nickname */ + continue; } + + if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n)) + { + /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */ + continue; + } + + /* invalid character! abort */ + return false; } - else + + /* too long? or not -- pointer arithmetic rocks */ + return (p < NICKMAX - 1); +} + +/* return true for good ident, false else */ +bool InspIRCd::IsIdent(const char* n) +{ + if (!n || !*n) + return false; + + for (char* i = (char*)n; *i; i++) { - ServerInstance->Config->log_file = fopen(LOG_FILE,"a+"); + if ((*i >= 'A') && (*i <= '}')) + { + continue; + } - if (!ServerInstance->Config->log_file) + if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.')) { - printf("ERROR: Could not write to logfile %s, bailing!\n\n",ServerInstance->Config->logpath.c_str()); - Exit(ERROR); + continue; } - - return; + + return false; } - ServerInstance->Config->log_file = fopen(ServerInstance->Config->logpath.c_str(),"a+"); + return true; +} + +/* open the proper logfile */ +void InspIRCd::OpenLog(char** argv, int argc) +{ + Config->MyDir = Config->GetFullProgDir(); - if (!ServerInstance->Config->log_file) + if (!*this->LogFileName) { - printf("ERROR: Could not write to logfile %s, bailing!\n\n",ServerInstance->Config->logpath.c_str()); - Exit(ERROR); + if (Config->logpath.empty()) + { + Config->logpath = Config->MyDir + "/ircd.log"; + } + + Config->log_file = fopen(Config->logpath.c_str(),"a+"); + } + else + { + Config->log_file = fopen(this->LogFileName,"a+"); } + + if (!Config->log_file) + { + printf("ERROR: Could not write to logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno)); + Exit(EXIT_STATUS_LOG); + } + + this->Logger = new FileLogger(this, Config->log_file); } -void CheckRoot() +void InspIRCd::CheckRoot() { if (geteuid() == 0) { printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n"); - log(DEFAULT,"InspIRCd: startup: not starting with UID 0!"); - Exit(ERROR); + this->Log(DEFAULT,"Cant start as root"); + Exit(EXIT_STATUS_ROOT); } } -void CheckDie() +void InspIRCd::CheckDie() { - if (*ServerInstance->Config->DieValue) + if (*Config->DieValue) { - printf("WARNING: %s\n\n",ServerInstance->Config->DieValue); - log(DEFAULT,"Uh-Oh, somebody didn't read their config file: '%s'",ServerInstance->Config->DieValue); - Exit(ERROR); + printf("WARNING: %s\n\n",Config->DieValue); + this->Log(DEFAULT,"Died because of tag: %s",Config->DieValue); + Exit(EXIT_STATUS_DIETAG); } } /* We must load the modules AFTER initializing the socket engine, now */ -void LoadAllModules(InspIRCd* ServerInstance) +void InspIRCd::LoadAllModules() { char configToken[MAXBUF]; - ServerInstance->Config->module_names.clear(); - MODCOUNT = -1; + Config->module_names.clear(); + this->ModCount = -1; - for (int count = 0; count < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "module"); count++) + for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++) { - ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "module","name",count,configToken,MAXBUF); - printf("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken); + Config->ConfValue(Config->config_data, "module", "name", count, configToken, MAXBUF); + printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken); - if (!ServerInstance->LoadModule(configToken)) + if (!this->LoadModule(configToken)) { - log(DEFAULT,"Exiting due to a module loader error."); - printf("\nThere was an error loading a module: %s\n\n",ServerInstance->ModuleError()); - Exit(0); + this->Log(DEFAULT,"There was an error loading the module '%s': %s", configToken, this->ModuleError()); + printf_c("\n[\033[1;31m*\033[0m] There was an error loading the module '%s': %s\n\n", configToken, this->ModuleError()); + Exit(EXIT_STATUS_MODULE); } } - - log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1); + printf_c("\nA total of \033[1;32m%d\033[0m module%s been loaded.\n", this->ModCount+1, this->ModCount+1 == 1 ? " has" : "s have"); + this->Log(DEFAULT,"Total loaded modules: %d", this->ModCount+1); +} + +void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text) +{ + std::string copy_text = text; + + int MOD_RESULT = 0; + FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text)); + + if (!MOD_RESULT) + user->WriteServ("%d %s", numeric, copy_text.c_str()); } + +void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...) +{ + char textbuffer[MAXBUF]; + va_list argsPtr; + va_start (argsPtr, format); + vsnprintf(textbuffer, MAXBUF, format, argsPtr); + va_end(argsPtr); + + this->SendWhoisLine(user, dest, numeric, std::string(textbuffer)); +} +