1 /* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#include "inspircd.h"
\r#include <stdarg.h>
\r#include "configreader.h"
\r#include "users.h"
\r#include "modules.h"
\r#include "wildcard.h"
\r#include "mode.h"
\r#include "xline.h"
\r#include "exitcodes.h"
\r\rstatic char TIMESTR[26];
\rstatic time_t LAST = 0;
\r\r/** Log()
\r * Write a line of text `text' to the logfile (and stdout, if in nofork) if the level `level'
\r * is greater than the configured loglevel.
\r */
\rvoid InspIRCd::Log(int level, const char* text, ...)
\r{
\r /* Do this check again here so that we save pointless vsnprintf calls */
\r if ((level < Config->LogLevel) && !Config->forcedebug)
\r return;
\r\r va_list argsPtr;
\r char textbuffer[65536];
\r\r va_start(argsPtr, text);
\r vsnprintf(textbuffer, 65536, text, argsPtr);
\r va_end(argsPtr);
\r\r this->Log(level, std::string(textbuffer));
\r}
\r\rvoid InspIRCd::Log(int level, const std::string &text)
\r{
\r if (!this->Config)
\r return;
\r\r /* If we were given -debug we output all messages, regardless of configured loglevel */
\r if ((level < Config->LogLevel) && !Config->forcedebug)
\r return;
\r\r if (Time() != LAST)
\r {
\r time_t local = Time();
\r struct tm *timeinfo = localtime(&local);
\r\r strlcpy(TIMESTR,asctime(timeinfo),26);
\r TIMESTR[24] = ':';
\r LAST = Time();
\r }
\r\r if (Config->log_file && Config->writelog)
\r {
\r std::string out = std::string(TIMESTR) + " " + text.c_str() + "\n";
\r this->Logger->WriteLogLine(out);
\r }
\r\r if (Config->nofork)
\r {
\r printf("%s %s\n", TIMESTR, text.c_str());
\r }
\r}
\r\rstd::string InspIRCd::GetServerDescription(const char* servername)
\r{
\r std::string description;
\r\r FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description));
\r\r if (!description.empty())
\r {
\r return description;
\r }
\r else
\r {
\r // not a remote server that can be found, it must be me.
\r return Config->ServerDesc;
\r }
\r}
\r\r/* XXX - We don't use WriteMode for this because WriteMode is very slow and
\r * this isnt. Basically WriteMode has to iterate ALL the users 'n' times for
\r * the number of modes provided, e.g. if you send WriteMode 'og' to write to
\r * opers with globops, and you have 2000 users, thats 4000 iterations. WriteOpers
\r * uses the oper list, which means if you have 2000 users but only 5 opers,
\r * it iterates 5 times.
\r */
\rvoid InspIRCd::WriteOpers(const char* text, ...)
\r{
\r char textbuffer[MAXBUF];
\r va_list argsPtr;
\r\r va_start(argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r\r this->WriteOpers(std::string(textbuffer));
\r}
\r\rvoid InspIRCd::WriteOpers(const std::string &text)
\r{
\r for (std::vector<userrec*>::iterator i = this->all_opers.begin(); i != this->all_opers.end(); i++)
\r {
\r userrec* a = *i;
\r if (IS_LOCAL(a) && a->modes[UM_SERVERNOTICE])
\r {
\r // send server notices to all with +s
\r a->WriteServ("NOTICE %s :%s",a->nick,text.c_str());
\r }
\r }
\r}
\r\rvoid InspIRCd::ServerNoticeAll(char* text, ...)
\r{
\r if (!text)
\r return;
\r\r char textbuffer[MAXBUF];
\r char formatbuffer[MAXBUF];
\r va_list argsPtr;
\r va_start (argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r\r snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",Config->ServerName,textbuffer);
\r\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
\r {
\r userrec* t = *i;
\r t->WriteServ(std::string(formatbuffer));
\r }
\r}
\r\rvoid InspIRCd::ServerPrivmsgAll(char* text, ...)
\r{
\r if (!text)
\r return;
\r\r char textbuffer[MAXBUF];
\r char formatbuffer[MAXBUF];
\r va_list argsPtr;
\r va_start (argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r\r snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",Config->ServerName,textbuffer);
\r\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
\r {
\r userrec* t = *i;
\r t->WriteServ(std::string(formatbuffer));
\r }
\r}
\r\rvoid InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...)
\r{
\r char textbuffer[MAXBUF];
\r int modelen;
\r va_list argsPtr;
\r\r if (!text || !modes || !flags)
\r {
\r this->Log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
\r return;
\r }
\r\r va_start(argsPtr, text);
\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);
\r va_end(argsPtr);
\r modelen = strlen(modes);
\r\r if (flags == WM_AND)
\r {
\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
\r {
\r userrec* t = *i;
\r bool send_to_user = true;
\r\r for (int n = 0; n < modelen; n++)
\r {
\r if (!t->modes[modes[n]-65])
\r {
\r send_to_user = false;
\r break;
\r }
\r }
\r if (send_to_user)
\r t->WriteServ("NOTICE %s :%s",t->nick,textbuffer);
\r }
\r }
\r else
\r if (flags == WM_OR)
\r {
\r for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
\r {
\r userrec* t = *i;
\r bool send_to_user = false;
\r\r for (int n = 0; n < modelen; n++)
\r {
\r if (t->modes[modes[n]-65])
\r {
\r send_to_user = true;
\r break;
\r }
\r }
\r if (send_to_user)
\r t->WriteServ("NOTICE %s :%s",t->nick,textbuffer);
\r }
\r }
\r}
\r\r/* Find a user record by nickname and return a pointer to it */
\r\ruserrec* InspIRCd::FindNick(const std::string &nick)
\r{
\r user_hash::iterator iter = clientlist->find(nick);
\r\r if (iter == clientlist->end())
\r /* Couldn't find it */
\r return NULL;
\r\r return iter->second;
\r}
\r\ruserrec* InspIRCd::FindNick(const char* nick)
\r{
\r user_hash::iterator iter = clientlist->find(nick);
\r \r if (iter == clientlist->end())
\r return NULL;
\r\r return iter->second;
\r}
\r\r/* find a channel record by channel name and return a pointer to it */
\r\rchanrec* InspIRCd::FindChan(const char* chan)
\r{
\r chan_hash::iterator iter = chanlist->find(chan);
\r\r if (iter == chanlist->end())
\r /* Couldn't find it */
\r return NULL;
\r\r return iter->second;
\r}
\r\rchanrec* InspIRCd::FindChan(const std::string &chan)
\r{
\r chan_hash::iterator iter = chanlist->find(chan);
\r\r if (iter == chanlist->end())
\r /* Couldn't find it */
\r return NULL;
\r\r return iter->second;
\r}
\r\r/*
\r * sends out an error notice to all connected clients (not to be used
\r * lightly!)
\r */
\rvoid InspIRCd::SendError(const std::string &s)
\r{
\r for (std::vector<userrec*>::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
\r {
\r if ((*i)->registered == REG_ALL)
\r {
\r (*i)->WriteServ("NOTICE %s :%s",(*i)->nick,s.c_str());
\r }
\r else
\r {
\r /* Unregistered connections receive ERROR, not a NOTICE */
\r (*i)->Write("ERROR :" + s);
\r }
\r /* This might generate a whole load of EAGAIN, but we dont really
\r * care about this, as if we call SendError something catastrophic
\r * has occured anyway, and we wont receive the events for these.
\r */
\r (*i)->FlushWriteBuf();
\r }
\r}
\r\r// this function counts all users connected, wether they are registered or NOT.
\rint InspIRCd::UserCount()
\r{
\r return clientlist->size();
\r}
\r\r// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
\rint InspIRCd::RegisteredUserCount()
\r{
\r return clientlist->size() - this->UnregisteredUserCount();
\r}
\r\rint InspIRCd::ModeCount(const char mode)
\r{
\r ModeHandler* mh = this->Modes->FindMode(mode, MODETYPE_USER);
\r\r if (mh)
\r return mh->GetCount();
\r else
\r return 0;
\r}
\r\rint InspIRCd::InvisibleUserCount()
\r{
\r return ModeCount('i');
\r}
\r\rint InspIRCd::OperCount()
\r{
\r return this->all_opers.size();
\r}
\r\rint InspIRCd::UnregisteredUserCount()
\r{
\r return this->unregistered_count;
\r}
\r\rlong InspIRCd::ChannelCount()
\r{
\r return chanlist->size();
\r}
\r\rlong InspIRCd::LocalUserCount()
\r{
\r /* Doesnt count unregistered clients */
\r return (local_users.size() - this->UnregisteredUserCount());
\r}
\r \rbool InspIRCd::IsChannel(const char *chname)
\r{
\r char *c;
\r\r /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */
\r if (!chname || *chname != '#')
\r {
\r return false;
\r }
\r\r c = (char *)chname + 1;
\r while (*c)
\r {
\r switch (*c)
\r {
\r case ' ':
\r case ',':
\r case 7:
\r return false;
\r }
\r\r c++;
\r }
\r \r /* too long a name - note funky pointer arithmetic here. */
\r if ((c - chname) > CHANMAX)
\r {
\r return false;
\r }
\r\r return true;
\r}
\r\rbool InspIRCd::IsNick(const char* n)
\r{
\r if (!n || !*n)
\r return false;
\r \r int p = 0;
\r for (char* i = (char*)n; *i; i++, p++)
\r {
\r if ((*i >= 'A') && (*i <= '}'))
\r {
\r /* "A"-"}" can occur anywhere in a nickname */
\r continue;
\r }
\r\r if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n))
\r {
\r /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
\r continue;
\r }
\r\r /* invalid character! abort */
\r return false;
\r }
\r\r /* too long? or not -- pointer arithmetic rocks */
\r return (p < NICKMAX - 1);
\r}
\r\r\rbool InspIRCd::IsIdent(const char* n)
\r{
\r if (!n || !*n)
\r return false;
\r\r for (char* i = (char*)n; *i; i++)
\r {
\r if ((*i >= 'A') && (*i <= '}'))
\r {
\r continue;
\r }
\r\r if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
\r {
\r continue;
\r }
\r\r return false;
\r }
\r\r return true;
\r}
\r\rvoid InspIRCd::OpenLog(char** argv, int argc)
\r{
\r Config->MyDir = Config->GetFullProgDir();
\r\r if (!*this->LogFileName)
\r {
\r if (Config->logpath.empty())
\r {
\r#ifndef DARWIN
\r Config->logpath = Config->MyDir + "/ircd.log";
\r#else
\r Config->logpath = "/var/log/ircd.log";
\r#endif
\r }
\r\r Config->log_file = fopen(Config->logpath.c_str(),"a+");
\r }
\r else
\r {
\r Config->log_file = fopen(this->LogFileName,"a+");
\r }
\r\r if (!Config->log_file)
\r {
\r printf("ERROR: Could not write to logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
\r Exit(EXIT_STATUS_LOG);
\r }
\r\r this->Logger = new FileLogger(this, Config->log_file);
\r}
\r\rvoid InspIRCd::CheckRoot()
\r{
\r#ifndef DARWIN
\r if (geteuid() == 0)
\r {
\r printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
\r this->Log(DEFAULT,"Cant start as root");
\r#else
\r if (geteuid() != 16)
\r {
\r printf("WARNING!!! You are not running inspircd as the ircdaemon user!!! YOU CAN NOT DO THIS!!!\n\n");
\r this->Log(DEFAULT,"Must start as user ircdaemon");
\r#endif
\r Exit(EXIT_STATUS_ROOT);
\r }
\r}
\r\rvoid InspIRCd::CheckDie()
\r{
\r if (*Config->DieValue)
\r {
\r printf("WARNING: %s\n\n",Config->DieValue);
\r this->Log(DEFAULT,"Died because of <die> tag: %s",Config->DieValue);
\r Exit(EXIT_STATUS_DIETAG);
\r }
\r}
\r\r/* We must load the modules AFTER initializing the socket engine, now */
\rvoid InspIRCd::LoadAllModules()
\r{
\r char configToken[MAXBUF];
\r Config->module_names.clear();
\r this->ModCount = -1;
\r\r for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++)
\r {
\r Config->ConfValue(Config->config_data, "module", "name", count, configToken, MAXBUF);
\r printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken);
\r \r if (!this->LoadModule(configToken))
\r {
\r this->Log(DEFAULT,"There was an error loading the module '%s': %s", configToken, this->ModuleError());
\r printf_c("\n[\033[1;31m*\033[0m] There was an error loading the module '%s': %s\n\n", configToken, this->ModuleError());
\r Exit(EXIT_STATUS_MODULE);
\r }
\r }
\r 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");
\r this->Log(DEFAULT,"Total loaded modules: %d", this->ModCount+1);
\r}
\r\rvoid InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text)
\r{
\r std::string copy_text = text;
\r\r int MOD_RESULT = 0;
\r FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text));
\r\r if (!MOD_RESULT)
\r user->WriteServ("%d %s", numeric, copy_text.c_str());
\r}
\r\rvoid InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...)
\r{
\r char textbuffer[MAXBUF];
\r va_list argsPtr;
\r va_start (argsPtr, format);
\r vsnprintf(textbuffer, MAXBUF, format, argsPtr);
\r va_end(argsPtr);
\r\r this->SendWhoisLine(user, dest, numeric, std::string(textbuffer));
\r}
\r\r