X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_nationalchars.cpp;h=c56dfe81cf848f5102e1d2e681c8b8630dc8ff1c;hb=HEAD;hp=143140889bd29928ec66e8c23737b7b8c6b744e6;hpb=061a762095e983d07382f61cd69611a082792668;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_nationalchars.cpp b/src/modules/m_nationalchars.cpp index 143140889..c56dfe81c 100644 --- a/src/modules/m_nationalchars.cpp +++ b/src/modules/m_nationalchars.cpp @@ -1,36 +1,45 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2010 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2019 Matt Schatz + * Copyright (C) 2013, 2015, 2017, 2020-2021 Sadie Powell + * Copyright (C) 2012-2016 Attila Molnar + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2011 jackmcbarn + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2009-2010 Craig Edwards + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2009 Robin Burchell + * Copyright (C) 2009 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 . */ -/* Contains a code of Unreal IRCd + Bynets patch ( http://www.unrealircd.com/ and http://www.bynets.org/ ) - Original patch is made by Dmitry "Killer{R}" Kononko. ( http://killprog.com/ ) + +/* Contains a code of Unreal IRCd + Bynets patch (https://www.unrealircd.org and https://bynets.org) + Original patch is made by Dmitry "Killer{R}" Kononko. (http://killprog.com) Changed at 2008-06-15 - 2009-02-11 by Chernov-Phoenix Alexey (Phoenix@RusNet) mailto:phoenix /email address separator/ pravmail.ru */ #include "inspircd.h" -#include "caller.h" #include -/* $ModDesc: Provides an ability to have non-RFC1459 nicks & support for national CASEMAPPING */ - -class lwbNickHandler : public HandlerBase2 +class lwbNickHandler { public: - lwbNickHandler() { } - virtual ~lwbNickHandler() { } - virtual bool Call(const char*, size_t); + static bool Call(const std::string&); }; - /*,m_reverse_additionalUp[256];*/ static unsigned char m_reverse_additional[256],m_additionalMB[256],m_additionalUtf8[256],m_additionalUtf8range[256],m_additionalUtf8interval[256]; char utf8checkrest(unsigned char * mb, unsigned char cnt) @@ -62,11 +71,12 @@ char utf8size(unsigned char * mb) /* Conditions added */ -bool lwbNickHandler::Call(const char* n, size_t max) +bool lwbNickHandler::Call(const std::string& nick) { - if (!n || !*n) + if (nick.empty() || isdigit(nick[0])) return false; + const char* n = nick.c_str(); unsigned int p = 0; for (const char* i = n; *i; i++, p++) { @@ -206,52 +216,80 @@ bool lwbNickHandler::Call(const char* n, size_t max) } /* too long? or not -- pointer arithmetic rocks */ - return (p < max); + return (p < ServerInstance->Config->Limits.NickMax); } class ModuleNationalChars : public Module { - private: - lwbNickHandler myhandler; - std::string charset, casemapping; + std::string charset; unsigned char m_additional[256], m_additionalUp[256], m_lower[256], m_upper[256]; - caller2 rememberer; + TR1NS::function rememberer; bool forcequit; const unsigned char * lowermap_rememberer; + std::string casemapping_rememberer; + unsigned char prev_map[256]; - public: - ModuleNationalChars() : rememberer(ServerInstance->IsNick) + template + void RehashHashmap(T& hashmap) { - lowermap_rememberer = national_case_insensitive_map; - memcpy(m_lower, rfc_case_insensitive_map, 256); - national_case_insensitive_map = m_lower; + T newhash(hashmap.bucket_count()); + for (typename T::const_iterator i = hashmap.begin(); i != hashmap.end(); ++i) + newhash.insert(std::make_pair(i->first, i->second)); + hashmap.swap(newhash); + } + + void CheckRehash() + { + // See if anything changed + if (!memcmp(prev_map, national_case_insensitive_map, sizeof(prev_map))) + return; - ServerInstance->IsNick = &myhandler; + memcpy(prev_map, national_case_insensitive_map, sizeof(prev_map)); - Implementation eventlist[] = { I_OnRehash, I_On005Numeric }; - ServerInstance->Modules->Attach(eventlist, this, 2); - OnRehash(NULL); + RehashHashmap(ServerInstance->Users.clientlist); + RehashHashmap(ServerInstance->Users.uuidlist); + RehashHashmap(ServerInstance->chanlist); } - virtual void On005Numeric(std::string &output) + public: + ModuleNationalChars() + : rememberer(ServerInstance->IsNick) + , lowermap_rememberer(national_case_insensitive_map) + , casemapping_rememberer(ServerInstance->Config->CaseMapping) { - std::string tmp(casemapping); - tmp.insert(0, "CASEMAPPING="); - SearchAndReplace(output, std::string("CASEMAPPING=rfc1459"), tmp); + memcpy(prev_map, national_case_insensitive_map, sizeof(prev_map)); + } + + void init() CXX11_OVERRIDE + { + memcpy(m_lower, rfc_case_insensitive_map, 256); + national_case_insensitive_map = m_lower; + + ServerInstance->IsNick = &lwbNickHandler::Call; } - virtual void OnRehash(User* user) + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE { - ConfigReader conf; - charset = conf.ReadValue("nationalchars", "file", 0); - casemapping = conf.ReadValue("nationalchars", "casemapping", charset, 0, false); + ConfigTag* tag = ServerInstance->Config->ConfValue("nationalchars"); + charset = tag->getString("file"); + std::string casemapping = tag->getString("casemapping", FileSystem::GetFileName(charset), 1); + if (casemapping.find(' ') != std::string::npos) + throw ModuleException(" must not contain any spaces!"); + ServerInstance->Config->CaseMapping = casemapping; +#if defined _WIN32 + if (!FileSystem::StartsWithWindowsDriveLetter(charset)) + charset.insert(0, "./locales/"); +#else if(charset[0] != '/') charset.insert(0, "../locales/"); +#endif unsigned char * tables[8] = { m_additional, m_additionalMB, m_additionalUp, m_lower, m_upper, m_additionalUtf8, m_additionalUtf8range, m_additionalUtf8interval }; - loadtables(charset, tables, 8, 5); - forcequit = conf.ReadFlag("nationalchars", "forcequit", 0); + if (!loadtables(charset, tables, 8, 5)) + throw ModuleException("The locale file failed to load. Check your log file for more information."); + forcequit = tag->getBool("forcequit"); CheckForceQuit("National character set changed"); + CheckRehash(); } void CheckForceQuit(const char * message) @@ -259,25 +297,32 @@ class ModuleNationalChars : public Module if (!forcequit) return; - for (std::vector::iterator iter = ServerInstance->Users->local_users.begin(); iter != ServerInstance->Users->local_users.end(); ++iter) + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator iter = list.begin(); iter != list.end(); ) { /* Fix by Brain: Dont quit UID users */ + // Quitting the user removes it from the list User* n = *iter; - if (!isdigit(n->nick[0]) && !ServerInstance->IsNick(n->nick.c_str(), ServerInstance->Config->Limits.NickMax)) + ++iter; + if (!isdigit(n->nick[0]) && !ServerInstance->IsNick(n->nick)) ServerInstance->Users->QuitUser(n, message); } } - virtual ~ModuleNationalChars() + ~ModuleNationalChars() { ServerInstance->IsNick = rememberer; national_case_insensitive_map = lowermap_rememberer; + ServerInstance->Config->CaseMapping = casemapping_rememberer; + // The core rebuilds ISupport on module unload, but before the dtor. + ServerInstance->ISupport.Build(); CheckForceQuit("National characters module unloaded"); + CheckRehash(); } - virtual Version GetVersion() + Version GetVersion() CXX11_OVERRIDE { - return Version("Provides an ability to have non-RFC1459 nicks & support for national CASEMAPPING", VF_VENDOR | VF_COMMON, charset); + return Version("Allows the server administrator to define what characters are allowed in nicknames and channel names and how those characters should be compared in a case insensitive way.", VF_VENDOR | VF_COMMON); } /*make an array to check against it 8bit characters a bit faster. Whether allowed or uppercase (for your needs).*/ @@ -289,13 +334,13 @@ class ModuleNationalChars : public Module } /*so Bynets Unreal distribution stuff*/ - void loadtables(std::string filename, unsigned char ** tables, unsigned char cnt, char faillimit) + bool loadtables(std::string filename, unsigned char ** tables, unsigned char cnt, char faillimit) { - std::ifstream ifs(filename.c_str()); + std::ifstream ifs(ServerInstance->Config->Paths.PrependConfig(filename).c_str()); if (ifs.fail()) { - ServerInstance->Logs->Log("m_nationalchars",DEFAULT,"loadtables() called for missing file: %s", filename.c_str()); - return; + ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "loadtables() called for missing file: %s", filename.c_str()); + return false; } for (unsigned char n=0; n< cnt; n++) @@ -309,12 +354,13 @@ class ModuleNationalChars : public Module { if (loadtable(ifs, tables[n], 255) && (n < faillimit)) { - ServerInstance->Logs->Log("m_nationalchars",DEFAULT,"loadtables() called for illegal file: %s (line %d)", filename.c_str(), n+1); - return; + ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "loadtables() called for illegal file: %s (line %d)", filename.c_str(), n+1); + return false; } } makereverse(m_additional, m_reverse_additional, sizeof(m_additional)); + return true; } unsigned char symtoi(const char *t,unsigned char base) @@ -370,7 +416,7 @@ class ModuleNationalChars : public Module if (*p == '0') { if (p[1] == 'x') - /* hex with the leading "0x" */ + /* hex with the leading "0x" */ chartable[i] = symtoi(p + 2, 16); else chartable[i] = symtoi(p + 1, 8); @@ -379,12 +425,13 @@ class ModuleNationalChars : public Module else if (*p == 'x') { chartable[i] = symtoi(p + 1, 16); - }else /* decimal form */ + } + else /* decimal form */ { chartable[i] = symtoi(p, 10); } } - else /* plain-text char between '' */ + else /* plain-text char between '' */ { if (*(p + 1) == '\\') {