X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=439320c1e00d85334c29d3da845357b246d11cfa;hb=e6601069038c35c546fd3f3dce95024b0d13f1b4;hp=b5b2a095bc90f515fbe2758cb631c4e36d1e3b62;hpb=89bc1282b9e1e2bf9eccacae8f1dc2b5f9ade9b7;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index b5b2a095b..439320c1e 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -1,90 +1,44 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2006-2008 Robin Burchell + * Copyright (C) 2005-2008 Craig Edwards + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2006-2007 Oliver Lupton + * Copyright (C) 2007 Dennis Friis * - * 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. * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include -#include "configreader.h" -#include "users.h" -#include "modules.h" -#include "wildcard.h" -#include "mode.h" -#include "xline.h" -#include "exitcodes.h" - -static char TIMESTR[26]; -static time_t LAST = 0; - -/** Log() - * Write a line of text `text' to the logfile (and stdout, if in nofork) if the level `level' - * is greater than the configured loglevel. + * 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 . */ -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[65536]; - - va_start(argsPtr, text); - vsnprintf(textbuffer, 65536, text, argsPtr); - va_end(argsPtr); - this->Log(level, std::string(textbuffer)); -} - -void InspIRCd::Log(int level, const std::string &text) -{ - /* sanity check, just in case */ - if (!this->Config) - return; - - /* If we were given -debug we output all messages, regardless of configured loglevel */ - if ((level < Config->LogLevel) && !Config->forcedebug) - return; - if (Time() != LAST) - { - time_t local = Time(); - struct tm *timeinfo = localtime(&local); - - strlcpy(TIMESTR,asctime(timeinfo),26); - TIMESTR[24] = ':'; - LAST = Time(); - } +/* $Core */ - if (Config->log_file && Config->writelog) - { - std::string out = std::string(TIMESTR) + " " + text.c_str() + "\n"; - this->Logger->WriteLogLine(out); - } +#ifdef _WIN32 +#define _CRT_RAND_S +#include +#endif - if (Config->nofork) - { - printf("%s %s\n", TIMESTR, text.c_str()); - } -} +#include "inspircd.h" +#include "xline.h" +#include "exitcodes.h" +#include -std::string InspIRCd::GetServerDescription(const char* servername) +std::string InspIRCd::GetServerDescription(const std::string& servername) { std::string description; - FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description)); + FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description)); if (!description.empty()) { @@ -97,166 +51,71 @@ std::string InspIRCd::GetServerDescription(const char* servername) } } -/* XXX - We don't use WriteMode for this because WriteMode is very slow and - * this isnt. Basically WriteMode has to iterate ALL the users 'n' times for - * the number of modes provided, e.g. if you send WriteMode 'og' to write to - * opers with globops, and you have 2000 users, thats 4000 iterations. WriteOpers - * uses the oper list, which means if you have 2000 users but only 5 opers, - * it iterates 5 times. - */ -void InspIRCd::WriteOpers(const char* text, ...) +/* Find a user record by nickname and return a pointer to it */ +User* InspIRCd::FindNick(const std::string &nick) { - char textbuffer[MAXBUF]; - va_list argsPtr; + if (!nick.empty() && isdigit(*nick.begin())) + return FindUUID(nick); - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); + user_hash::iterator iter = this->Users->clientlist->find(nick); - this->WriteOpers(std::string(textbuffer)); -} + if (iter == this->Users->clientlist->end()) + /* Couldn't find it */ + return NULL; -void InspIRCd::WriteOpers(const std::string &text) -{ - for (std::vector::iterator i = this->all_opers.begin(); i != this->all_opers.end(); i++) - { - userrec* a = *i; - if (IS_LOCAL(a) && a->IsModeSet('s')) - { - // send server notices to all with +s - a->WriteServ("NOTICE %s :%s",a->nick,text.c_str()); - } - } + return iter->second; } -void InspIRCd::ServerNoticeAll(char* text, ...) +User* InspIRCd::FindNick(const char* nick) { - if (!text) - return; + if (isdigit(*nick)) + return FindUUID(nick); - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); + user_hash::iterator iter = this->Users->clientlist->find(nick); - snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s",Config->ServerName,textbuffer); + if (iter == this->Users->clientlist->end()) + return NULL; - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = *i; - t->WriteServ(std::string(formatbuffer)); - } + return iter->second; } -void InspIRCd::ServerPrivmsgAll(char* text, ...) +User* InspIRCd::FindNickOnly(const std::string &nick) { - if (!text) - return; - - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); + user_hash::iterator iter = this->Users->clientlist->find(nick); - snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s",Config->ServerName,textbuffer); + if (iter == this->Users->clientlist->end()) + return NULL; - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = *i; - t->WriteServ(std::string(formatbuffer)); - } + return iter->second; } -void InspIRCd::WriteMode(const char* modes, int flags, const char* text, ...) +User* InspIRCd::FindNickOnly(const char* nick) { - char textbuffer[MAXBUF]; - int modelen; - va_list argsPtr; - - if (!text || !modes || !flags) - { - this->Log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); - return; - } - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - modelen = strlen(modes); - - if (flags == WM_AND) - { - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = *i; - bool send_to_user = true; - - for (int n = 0; n < modelen; n++) - { - 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) - { - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - userrec* t = *i; - bool send_to_user = false; + user_hash::iterator iter = this->Users->clientlist->find(nick); - for (int n = 0; n < modelen; n++) - { - if (t->IsModeSet(modes[n])) - { - send_to_user = true; - break; - } - } + if (iter == this->Users->clientlist->end()) + return NULL; - if (send_to_user) - { - t->WriteServ("NOTICE %s :%s", t->nick, textbuffer); - } - } - } + return iter->second; } -/* Find a user record by nickname and return a pointer to it */ -userrec* InspIRCd::FindNick(const std::string &nick) +User *InspIRCd::FindUUID(const std::string &uid) { - user_hash::iterator iter = clientlist->find(nick); + user_hash::iterator finduuid = this->Users->uuidlist->find(uid); - if (iter == clientlist->end()) - /* Couldn't find it */ + if (finduuid == this->Users->uuidlist->end()) return NULL; - return iter->second; + return finduuid->second; } -userrec* InspIRCd::FindNick(const char* nick) +User *InspIRCd::FindUUID(const char *uid) { - user_hash::iterator iter = clientlist->find(nick); - - if (iter == clientlist->end()) - return NULL; - - return iter->second; + return FindUUID(std::string(uid)); } /* find a channel record by channel name and return a pointer to it */ -chanrec* InspIRCd::FindChan(const char* chan) +Channel* InspIRCd::FindChan(const char* chan) { chan_hash::iterator iter = chanlist->find(chan); @@ -267,7 +126,7 @@ chanrec* InspIRCd::FindChan(const char* chan) return iter->second; } -chanrec* InspIRCd::FindChan(const std::string &chan) +Channel* InspIRCd::FindChan(const std::string &chan) { chan_hash::iterator iter = chanlist->find(chan); @@ -281,83 +140,150 @@ chanrec* InspIRCd::FindChan(const std::string &chan) /* 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++) + for (LocalUserList::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++) { - if ((*i)->registered == REG_ALL) + User* u = *i; + if (u->registered == REG_ALL) { - (*i)->WriteServ("NOTICE %s :%s",(*i)->nick,s.c_str()); + u->WriteServ("NOTICE %s :%s",u->nick.c_str(),s.c_str()); } else { /* Unregistered connections receive ERROR, not a NOTICE */ - (*i)->Write("ERROR :" + s); + u->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(); } } -/* this function counts all users connected, wether they are registered or NOT. */ -int InspIRCd::UserCount() +/* return channel count */ +long InspIRCd::ChannelCount() { - return clientlist->size(); + return chanlist->size(); } -/* 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() +bool InspIRCd::IsValidMask(const std::string &mask) { - return clientlist->size() - this->UnregisteredUserCount(); -} + const char* dest = mask.c_str(); + int exclamation = 0; + int atsign = 0; -/* return how many users have a given mode e.g. 'a' */ -int InspIRCd::ModeCount(const char mode) -{ - ModeHandler* mh = this->Modes->FindMode(mode, MODETYPE_USER); + for (const char* i = dest; *i; i++) + { + /* out of range character, bad mask */ + if (*i < 32 || *i > 126) + { + return false; + } - if (mh) - return mh->GetCount(); - else - return 0; -} + switch (*i) + { + case '!': + exclamation++; + break; + case '@': + atsign++; + break; + } + } -/* wrapper for readability */ -int InspIRCd::InvisibleUserCount() -{ - return ModeCount('i'); -} + /* valid masks only have 1 ! and @ */ + if (exclamation != 1 || atsign != 1) + return false; -/* return how many users are opered */ -int InspIRCd::OperCount() -{ - return this->all_opers.size(); -} + if (mask.length() > 250) + return false; -/* return how many users are unregistered */ -int InspIRCd::UnregisteredUserCount() -{ - return this->unregistered_count; + return true; } -/* return channel count */ -long InspIRCd::ChannelCount() +void InspIRCd::StripColor(std::string &sentence) { - return chanlist->size(); + /* refactor this completely due to SQUIT bug since the old code would strip last char and replace with \0 --peavey */ + int seq = 0; + + for (std::string::iterator i = sentence.begin(); i != sentence.end();) + { + if (*i == 3) + seq = 1; + else if (seq && (( ((*i >= '0') && (*i <= '9')) || (*i == ',') ) )) + { + seq++; + if ( (seq <= 4) && (*i == ',') ) + seq = 1; + else if (seq > 3) + seq = 0; + } + else + seq = 0; + + if (seq || ((*i == 2) || (*i == 15) || (*i == 22) || (*i == 21) || (*i == 31))) + i = sentence.erase(i); + else + ++i; + } } -/* return how many local registered users there are */ -long InspIRCd::LocalUserCount() +void InspIRCd::ProcessColors(file_cache& input) { - /* Doesnt count unregistered clients */ - return (local_users.size() - this->UnregisteredUserCount()); + /* + * Replace all color codes from the special[] array to actual + * color code chars using C++ style escape sequences. You + * can append other chars to replace if you like -- Justasic + */ + static struct special_chars + { + std::string character; + std::string replace; + special_chars(const std::string &c, const std::string &r) : character(c), replace(r) { } + } + + special[] = { + special_chars("\\002", "\002"), // Bold + special_chars("\\037", "\037"), // underline + special_chars("\\003", "\003"), // Color + special_chars("\\017", "\017"), // Stop colors + special_chars("\\u", "\037"), // Alias for underline + special_chars("\\b", "\002"), // Alias for Bold + special_chars("\\x", "\017"), // Alias for stop + special_chars("\\c", "\003"), // Alias for color + special_chars("", "") + }; + + for(file_cache::iterator it = input.begin(), it_end = input.end(); it != it_end; it++) + { + std::string ret = *it; + for(int i = 0; special[i].character.empty() == false; ++i) + { + std::string::size_type pos = ret.find(special[i].character); + if(pos == std::string::npos) // Couldn't find the character, skip this line + continue; + + if((pos > 0) && (ret[pos-1] == '\\') && (ret[pos] == '\\')) + continue; // Skip double slashes. + + // Replace all our characters in the array + while(pos != std::string::npos) + { + ret = ret.substr(0, pos) + special[i].replace + ret.substr(pos + special[i].character.size()); + pos = ret.find(special[i].character, pos + special[i].replace.size()); + } + } + + // Replace double slashes with a single slash before we return + std::string::size_type pos = ret.find("\\\\"); + while(pos != std::string::npos) + { + ret = ret.substr(0, pos) + "\\" + ret.substr(pos + 2); + pos = ret.find("\\\\", pos + 1); + } + *it = ret; + } } /* true for valid channel name, false else */ -bool InspIRCd::IsChannel(const char *chname) +bool IsChannelHandler::Call(const char *chname, size_t max) { - char *c; + const char *c = chname + 1; /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */ if (!chname || *chname != '#') @@ -365,7 +291,6 @@ bool InspIRCd::IsChannel(const char *chname) return false; } - c = (char *)chname + 1; while (*c) { switch (*c) @@ -378,9 +303,10 @@ bool InspIRCd::IsChannel(const char *chname) c++; } - + + size_t len = c - chname; /* too long a name - note funky pointer arithmetic here. */ - if ((c - chname) > CHANMAX) + if (len > max) { return false; } @@ -389,13 +315,13 @@ bool InspIRCd::IsChannel(const char *chname) } /* true for valid nickname, false else */ -bool IsNickHandler::Call(const char* n) +bool IsNickHandler::Call(const char* n, size_t max) { if (!n || !*n) return false; - - int p = 0; - for (char* i = (char*)n; *i; i++, p++) + + unsigned int p = 0; + for (const char* i = n; *i; i++, p++) { if ((*i >= 'A') && (*i <= '}')) { @@ -413,8 +339,8 @@ bool IsNickHandler::Call(const char* n) return false; } - /* too long? or not -- pointer arithmetic rocks */ - return (p < NICKMAX - 1); + /* too long? or not */ + return (p <= max); } /* return true for good ident, false else */ @@ -423,7 +349,7 @@ bool IsIdentHandler::Call(const char* n) if (!n || !*n) return false; - for (char* i = (char*)n; *i; i++) + for (const char* i = n; *i; i++) { if ((*i >= 'A') && (*i <= '}')) { @@ -441,96 +367,235 @@ bool IsIdentHandler::Call(const char* n) return true; } +bool IsSIDHandler::Call(const std::string &str) +{ + /* Returns true if the string given is exactly 3 characters long, + * starts with a digit, and the other two characters are A-Z or digits + */ + return ((str.length() == 3) && isdigit(str[0]) && + ((str[1] >= 'A' && str[1] <= 'Z') || isdigit(str[1])) && + ((str[2] >= 'A' && str[2] <= 'Z') || isdigit(str[2]))); +} + /* open the proper logfile */ -void InspIRCd::OpenLog(char** argv, int argc) +bool InspIRCd::OpenLog(char**, int) { - Config->MyDir = Config->GetFullProgDir(); + if (!Config->cmdline.writelog) return true; // Skip opening default log if -nolog - if (!*this->LogFileName) - { - if (Config->logpath.empty()) - { - Config->logpath = Config->MyDir + "/ircd.log"; - } + if (Config->cmdline.startup_log.empty()) + Config->cmdline.startup_log = LOG_PATH "/startup.log"; + FILE* startup = fopen(Config->cmdline.startup_log.c_str(), "a+"); - Config->log_file = fopen(Config->logpath.c_str(),"a+"); - } - else + if (!startup) { - Config->log_file = fopen(this->LogFileName,"a+"); + return false; } - 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); - } + FileWriter* fw = new FileWriter(startup); + FileLogStream *f = new FileLogStream((Config->cmdline.forcedebug ? DEBUG : DEFAULT), fw); + + this->Logs->AddLogType("*", f, true); - this->Logger = new FileLogger(this, Config->log_file); + return true; } void InspIRCd::CheckRoot() { +#ifndef _WIN32 if (geteuid() == 0) { - printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n"); - this->Log(DEFAULT,"Cant start as root"); + std::cout << "ERROR: You are running an irc server as root! DO NOT DO THIS!" << std::endl << std::endl; + this->Logs->Log("STARTUP",DEFAULT,"Can't start as root"); Exit(EXIT_STATUS_ROOT); } +#endif } -void InspIRCd::CheckDie() +void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const std::string &text) { - if (*Config->DieValue) - { - printf("WARNING: %s\n\n",Config->DieValue); - this->Log(DEFAULT,"Died because of tag: %s",Config->DieValue); - Exit(EXIT_STATUS_DIETAG); - } + std::string copy_text = text; + + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnWhoisLine, MOD_RESULT, (user, dest, numeric, copy_text)); + + if (MOD_RESULT != MOD_RES_DENY) + user->WriteServ("%d %s", numeric, copy_text.c_str()); +} + +void InspIRCd::SendWhoisLine(User* user, User* 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)); } -/* We must load the modules AFTER initializing the socket engine, now */ -void InspIRCd::LoadAllModules() +/** Refactored by Brain, Jun 2009. Much faster with some clever O(1) array + * lookups and pointer maths. + */ +long InspIRCd::Duration(const std::string &str) { - char configToken[MAXBUF]; - Config->module_names.clear(); - this->ModCount = -1; + unsigned char multiplier = 0; + long total = 0; + long times = 1; + long subtotal = 0; - for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "module"); count++) + /* Iterate each item in the string, looking for number or multiplier */ + for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i) { - 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 (!this->LoadModule(configToken)) + /* Found a number, queue it onto the current number */ + if ((*i >= '0') && (*i <= '9')) + { + subtotal = subtotal + ((*i - '0') * times); + times = times * 10; + } + else { - 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); + /* Found something thats not a number, find out how much + * it multiplies the built up number by, multiply the total + * and reset the built up number. + */ + if (subtotal) + total += subtotal * duration_multi[multiplier]; + + /* Next subtotal please */ + subtotal = 0; + multiplier = *i; + times = 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); + if (multiplier) + { + total += subtotal * duration_multi[multiplier]; + subtotal = 0; + } + /* Any trailing values built up are treated as raw seconds */ + return total + subtotal; } -void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text) +bool InspIRCd::ULine(const std::string& sserver) { - std::string copy_text = text; + if (sserver.empty()) + return true; - int MOD_RESULT = 0; - FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text)); + return (Config->ulines.find(sserver.c_str()) != Config->ulines.end()); +} - if (!MOD_RESULT) - user->WriteServ("%d %s", numeric, copy_text.c_str()); +bool InspIRCd::SilentULine(const std::string& sserver) +{ + std::map::iterator n = Config->ulines.find(sserver.c_str()); + if (n != Config->ulines.end()) + return n->second; + else + return false; } -void InspIRCd::SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...) +std::string InspIRCd::TimeString(time_t curtime) { - char textbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, format); - vsnprintf(textbuffer, MAXBUF, format, argsPtr); - va_end(argsPtr); +#ifdef _WIN32 + if (curtime < 0) + curtime = 0; +#endif - this->SendWhoisLine(user, dest, numeric, std::string(textbuffer)); + struct tm* timeinfo = localtime(&curtime); + if (!timeinfo) + { + curtime = 0; + timeinfo = localtime(&curtime); + } + + // If the calculated year exceeds four digits or is less than the year 1000, + // the behavior of asctime() is undefined + if (timeinfo->tm_year + 1900 > 9999) + timeinfo->tm_year = 9999 - 1900; + else if (timeinfo->tm_year + 1900 < 1000) + timeinfo->tm_year = 0; + + return std::string(asctime(timeinfo),24); } +// You should only pass a single character to this. +void InspIRCd::AddExtBanChar(char c) +{ + std::string &tok = Config->data005; + std::string::size_type ebpos = tok.find(" EXTBAN=,"); + + if (ebpos == std::string::npos) + { + tok.append(" EXTBAN=,"); + tok.push_back(c); + } + else + { + ebpos += 9; + while (isalpha(tok[ebpos]) && tok[ebpos] < c) + ebpos++; + tok.insert(ebpos, 1, c); + } +} + +std::string InspIRCd::GenRandomStr(int length, bool printable) +{ + char* buf = new char[length]; + GenRandom(buf, length); + std::string rv; + rv.resize(length); + for(int i=0; i < length; i++) + rv[i] = printable ? 0x3F + (buf[i] & 0x3F) : buf[i]; + delete[] buf; + return rv; +} + +// NOTE: this has a slight bias for lower values if max is not a power of 2. +// Don't use it if that matters. +unsigned long InspIRCd::GenRandomInt(unsigned long max) +{ + unsigned long rv; + GenRandom((char*)&rv, sizeof(rv)); + return rv % max; +} + +// This is overridden by a higher-quality algorithm when SSL support is loaded +void GenRandomHandler::Call(char *output, size_t max) +{ + for(unsigned int i=0; i < max; i++) +#ifdef _WIN32 + { + unsigned int uTemp; + if(rand_s(&uTemp) != 0) + output[i] = rand(); + else + output[i] = uTemp; + } +#else + output[i] = random(); +#endif +} + +ModResult OnCheckExemptionHandler::Call(User* user, Channel* chan, const std::string& restriction) +{ + unsigned int mypfx = chan->GetPrefixValue(user); + char minmode = 0; + std::string current; + + irc::spacesepstream defaultstream(ServerInstance->Config->ConfValue("options")->getString("exemptchanops")); + + while (defaultstream.GetToken(current)) + { + std::string::size_type pos = current.find(':'); + if (pos == std::string::npos) + continue; + if (current.substr(0,pos) == restriction) + minmode = current[pos+1]; + } + + ModeHandler* mh = ServerInstance->Modes->FindMode(minmode, MODETYPE_CHANNEL); + if (mh && mypfx >= mh->GetPrefixRank()) + return MOD_RES_ALLOW; + if (mh || minmode == '*') + return MOD_RES_DENY; + return MOD_RES_PASSTHRU; +}