X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_blockcaps.cpp;h=57f86afd125b1f30e208b9f1fbc8086ed41d18f1;hb=7b6bd133ca4472f6cb8058d5e34e3c8b2af7e99a;hp=8713f8c0d86db8c89c0a43307f84c278762f78a0;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_blockcaps.cpp b/src/modules/m_blockcaps.cpp index 8713f8c0d..57f86afd1 100644 --- a/src/modules/m_blockcaps.cpp +++ b/src/modules/m_blockcaps.cpp @@ -1 +1,102 @@ -/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "users.h" #include "channels.h" #include "modules.h" #include "mode.h" /* $ModDesc: Provides support for channel mode +P to block all-CAPS channel messages and notices */ /** Handles the +P channel mode */ class BlockCaps : public ModeHandler { public: BlockCaps(InspIRCd* Instance) : ModeHandler(Instance, 'P', 0, 0, false, MODETYPE_CHANNEL, false) { } ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding) { if (adding) { if (!channel->IsModeSet('P')) { channel->SetMode('P',true); return MODEACTION_ALLOW; } } else { if (channel->IsModeSet('P')) { channel->SetMode('P',false); return MODEACTION_ALLOW; } } return MODEACTION_DENY; } }; class ModuleBlockCAPS : public Module { BlockCaps* bc; int percent; unsigned int minlen; char capsmap[256]; public: ModuleBlockCAPS(InspIRCd* Me) : Module(Me) { OnRehash(NULL,""); bc = new BlockCaps(ServerInstance); if (!ServerInstance->AddMode(bc, 'P')) throw ModuleException("Could not add new modes!"); } void Implements(char* List) { List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1; } virtual void OnRehash(userrec* user, const std::string ¶m) { ReadConf(); } virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) { if (target_type == TYPE_CHANNEL) { if ((!IS_LOCAL(user)) || (text.length() < minlen)) return 0; chanrec* c = (chanrec*)dest; if (c->IsModeSet('P')) { int caps = 0; for (std::string::iterator i = text.begin(); i != text.end(); i++) caps += capsmap[(unsigned char)*i]; if ( ((caps*100)/(int)text.length()) >= percent ) { user->WriteServ( "404 %s %s :Your line cannot be more than %d%% capital letters if it is %d or more letters long", user->nick, c->name, percent, minlen); return 1; } } } return 0; } virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) { return OnUserPreMessage(user,dest,target_type,text,status,exempt_list); } void ReadConf() { ConfigReader Conf(ServerInstance); percent = Conf.ReadInteger("blockcaps", "percent", "100", 0, true); minlen = Conf.ReadInteger("blockcaps", "minlen", "0", 0, true); std::string hmap = Conf.ReadValue("blockcaps", "capsmap", 0); if (hmap.empty()) hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; memset(&capsmap, 0, 255); for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++) capsmap[(unsigned char)*n] = 1; if (percent < 0 || percent > 100) { ServerInstance->Log(DEFAULT, " out of range, setting to default of 100."); percent = 100; } if (minlen < 0 || minlen > MAXBUF-1) { ServerInstance->Log(DEFAULT, " out of range, setting to default of 0."); minlen = 0; } } virtual ~ModuleBlockCAPS() { ServerInstance->Modes->DelMode(bc); DELETE(bc); } virtual Version GetVersion() { return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION); } }; MODULE_INIT(ModuleBlockCAPS) \ No newline at end of file +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2006, 2008 Craig Edwards + * Copyright (C) 2006-2007 Dennis Friis + * Copyright (C) 2007 Robin Burchell + * Copyright (C) 2006 Oliver Lupton + * + * 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 . + */ + + +#include "inspircd.h" + + +/** Handles the +B channel mode + */ +class BlockCaps : public SimpleChannelModeHandler +{ + public: + BlockCaps(Module* Creator) : SimpleChannelModeHandler(Creator, "blockcaps", 'B') { } +}; + +class ModuleBlockCAPS : public Module +{ + BlockCaps bc; + unsigned int percent; + unsigned int minlen; + char capsmap[256]; + +public: + ModuleBlockCAPS() : bc(this) + { + } + + void On005Numeric(std::map& tokens) CXX11_OVERRIDE + { + tokens["EXTBAN"].push_back('B'); + } + + ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE + { + if (target_type == TYPE_CHANNEL) + { + if ((!IS_LOCAL(user)) || (text.length() < minlen)) + return MOD_RES_PASSTHRU; + + Channel* c = (Channel*)dest; + ModResult res = ServerInstance->OnCheckExemption(user,c,"blockcaps"); + + if (res == MOD_RES_ALLOW) + return MOD_RES_PASSTHRU; + + if (!c->GetExtBanStatus(user, 'B').check(!c->IsModeSet(bc))) + { + std::string::size_type caps = 0; + unsigned int offset = 0; + // Ignore the beginning of the text if it's a CTCP ACTION (/me) + if (!text.compare(0, 8, "\1ACTION ", 8)) + offset = 8; + + for (std::string::const_iterator i = text.begin() + offset; i != text.end(); ++i) + caps += capsmap[(unsigned char)*i]; + + if (((caps * 100) / text.length()) >= percent) + { + user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Your message cannot contain %d%% or more capital letters if it's longer than %d characters", c->name.c_str(), percent, minlen); + return MOD_RES_DENY; + } + } + } + return MOD_RES_PASSTHRU; + } + + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + ConfigTag* tag = ServerInstance->Config->ConfValue("blockcaps"); + percent = tag->getInt("percent", 100, 1, 100); + minlen = tag->getInt("minlen", 1, 1, ServerInstance->Config->Limits.MaxLine); + std::string hmap = tag->getString("capsmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZ"); + memset(capsmap, 0, sizeof(capsmap)); + for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++) + capsmap[(unsigned char)*n] = 1; + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Provides support to block all-CAPS channel messages and notices", VF_VENDOR); + } +}; + +MODULE_INIT(ModuleBlockCAPS)