X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fhelperfuncs.cpp;h=a6df520c5d2d10fddb7a3306fd0ad35e9052d27e;hb=ebdaf368e137fc933e648ee88a08a4f83e796f87;hp=67faee8f54371fd77dc814cf56c5c8e79ac413ab;hpb=eb2e28b0cfcf25b792c23951024594e1bbb69ef6;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp index 67faee8f5..a6df520c5 100644 --- a/src/helperfuncs.cpp +++ b/src/helperfuncs.cpp @@ -1,28 +1,44 @@ -/* +------------------------------------+ - * | 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) 2009-2010 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. * - * --------------------------------------------------- + * 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 . */ -/* $Core: libIRCDhelper */ + +/* $Core */ + +#ifdef _WIN32 +#define _CRT_RAND_S +#include +#endif #include "inspircd.h" -#include "wildcard.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()) { @@ -56,7 +72,7 @@ User* InspIRCd::FindNick(const char* nick) return FindUUID(nick); user_hash::iterator iter = this->Users->clientlist->find(nick); - + if (iter == this->Users->clientlist->end()) return NULL; @@ -124,22 +140,18 @@ Channel* 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->Users->local_users.begin(); i != this->Users->local_users.end(); i++) + for (std::vector::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(); } } @@ -151,11 +163,11 @@ long InspIRCd::ChannelCount() bool InspIRCd::IsValidMask(const std::string &mask) { - char* dest = (char*)mask.c_str(); + const char* dest = mask.c_str(); int exclamation = 0; int atsign = 0; - for (char* i = dest; *i; i++) + for (const char* i = dest; *i; i++) { /* out of range character, bad mask */ if (*i < 32 || *i > 126) @@ -178,13 +190,16 @@ bool InspIRCd::IsValidMask(const std::string &mask) if (exclamation != 1 || atsign != 1) return false; + if (mask.length() > 250) + return false; + return true; } /* 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 != '#') @@ -192,7 +207,6 @@ bool InspIRCd::IsChannel(const char *chname) return false; } - c = (char *)chname + 1; while (*c) { switch (*c) @@ -205,9 +219,10 @@ 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; } @@ -216,13 +231,13 @@ 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 <= '}')) { @@ -241,7 +256,7 @@ bool IsNickHandler::Call(const char* n) } /* too long? or not -- pointer arithmetic rocks */ - return (p < NICKMAX - 1); + return (p < max); } /* return true for good ident, false else */ @@ -250,7 +265,7 @@ 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 <= '}')) { @@ -268,7 +283,7 @@ bool IsIdentHandler::Call(const char* n) return true; } -bool InspIRCd::IsSID(const std::string &str) +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 @@ -281,35 +296,19 @@ bool InspIRCd::IsSID(const std::string &str) /* open the proper logfile */ bool InspIRCd::OpenLog(char**, int) { - /* This function only happens at startup now (log reopening is done at OnReadConfig stage now instead of rehash) */ - if (Config->nofork) - { - this->Logs->SetupNoFork(); - } - if (!Config->writelog) return true; // Skip opening default log if -nolog - Config->MyDir = Config->GetFullProgDir(); - - if (!*this->LogFileName) - { - if (Config->logpath.empty()) - { - Config->logpath = Config->MyDir + "/ircd.log"; - } + if (!Config->cmdline.writelog) return true; // Skip opening default log if -nolog - Config->log_file = fopen(Config->logpath.c_str(),"a+"); - } - else - { - Config->log_file = fopen(this->LogFileName,"a+"); - } + if (Config->cmdline.startup_log.empty()) + Config->cmdline.startup_log = LOG_PATH "/startup.log"; + FILE* startup = fopen(Config->cmdline.startup_log.c_str(), "a+"); - if (!Config->log_file) + if (!startup) { return false; } - FileWriter* fw = new FileWriter(this, Config->log_file); - FileLogStream *f = new FileLogStream(this, (Config->forcedebug ? DEBUG : Config->LogLevel), fw); + FileWriter* fw = new FileWriter(startup); + FileLogStream *f = new FileLogStream((Config->cmdline.forcedebug ? DEBUG : DEFAULT), fw); this->Logs->AddLogType("*", f, true); @@ -318,32 +317,24 @@ bool InspIRCd::OpenLog(char**, int) 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->Logs->Log("STARTUP",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); } -} - -void InspIRCd::CheckDie() -{ - if (*Config->DieValue) - { - printf("WARNING: %s\n\n",Config->DieValue); - this->Logs->Log("CONFIG",DEFAULT,"Died because of tag: %s",Config->DieValue); - Exit(EXIT_STATUS_DIETAG); - } +#endif } void InspIRCd::SendWhoisLine(User* user, User* 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)); + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnWhoisLine, MOD_RESULT, (user, dest, numeric, copy_text)); - if (!MOD_RESULT) + if (MOD_RESULT != MOD_RES_DENY) user->WriteServ("%d %s", numeric, copy_text.c_str()); } @@ -358,7 +349,7 @@ void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const char* fo this->SendWhoisLine(user, dest, numeric, std::string(textbuffer)); } -/** Refactored by Brain, Jun 2008. Much faster with some clever O(1) array +/** Refactored by Brain, Jun 2009. Much faster with some clever O(1) array * lookups and pointer maths. */ long InspIRCd::Duration(const std::string &str) @@ -401,22 +392,21 @@ long InspIRCd::Duration(const std::string &str) return total + subtotal; } -bool InspIRCd::ULine(const char* sserver) +bool InspIRCd::ULine(const std::string& sserver) { - if (!sserver) - return false; - if (!*sserver) + if (sserver.empty()) return true; - return (Config->ulines.find(sserver) != Config->ulines.end()); + return (Config->ulines.find(sserver.c_str()) != Config->ulines.end()); } -bool InspIRCd::SilentULine(const char* sserver) +bool InspIRCd::SilentULine(const std::string& sserver) { - std::map::iterator n = Config->ulines.find(sserver); + std::map::iterator n = Config->ulines.find(sserver.c_str()); if (n != Config->ulines.end()) return n->second; - else return false; + else + return false; } std::string InspIRCd::TimeString(time_t curtime) @@ -424,3 +414,85 @@ std::string InspIRCd::TimeString(time_t curtime) return std::string(ctime(&curtime),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; +}