X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_remove.cpp;h=43f7065b5e429e12d694d7ef1f54db5bef9cb3fc;hb=67de413cad88194972d55a8ff88464370890c5a9;hp=6d9be00adbd464e4cdcfefe6e6aa172fdf4d4a60;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_remove.cpp b/src/modules/m_remove.cpp index 6d9be00ad..43f7065b5 100644 --- a/src/modules/m_remove.cpp +++ b/src/modules/m_remove.cpp @@ -1 +1,228 @@ -/* +------------------------------------+ * | 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 #include "users.h" #include "channels.h" #include "modules.h" #include "configreader.h" /* $ModDesc: Provides a /remove command, this is mostly an alternative to /kick, except makes users appear to have parted the channel */ /* * This module supports the use of the +q and +a usermodes, but should work without them too. * Usage of the command is restricted to +hoaq, and you cannot remove a user with a "higher" level than yourself. * eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes. */ /** Base class for /FPART and /REMOVE */ class RemoveBase { private: bool& supportnokicks; InspIRCd* ServerInstance; protected: RemoveBase(InspIRCd* Instance, bool& snk) : supportnokicks(snk), ServerInstance(Instance) { } enum ModeLevel { PEON = 0, HALFOP = 1, OP = 2, ADMIN = 3, OWNER = 4, ULINE = 5 }; /* This little function just converts a chanmode character (U ~ & @ & +) into an integer (5 4 3 2 1 0) */ /* XXX - We should probably use the new mode prefix rank stuff * for this instead now -- Brain */ ModeLevel chartolevel(const std::string &privs) { if(privs.empty()) { return PEON; } switch (privs[0]) { case 'U': /* Ulined */ return ULINE; case '~': /* Owner */ return OWNER; case '&': /* Admin */ return ADMIN; case '@': /* Operator */ return OP; case '%': /* Halfop */ return HALFOP; default: /* Peon */ return PEON; } } CmdResult Handle (const char** parameters, int pcnt, userrec *user, bool neworder) { const char* channame; const char* username; userrec* target; chanrec* channel; ModeLevel tlevel; ModeLevel ulevel; std::string reason; std::string protectkey; std::string founderkey; bool hasnokicks; /* Set these to the parameters needed, the new version of this module switches it's parameters around * supplying a new command with the new order while keeping the old /remove with the older order. * /remove [reason ...] * /fpart [reason ...] */ channame = parameters[ neworder ? 0 : 1]; username = parameters[ neworder ? 1 : 0]; /* Look up the user we're meant to be removing from the channel */ target = ServerInstance->FindNick(username); /* And the channel we're meant to be removing them from */ channel = ServerInstance->FindChan(channame); /* Fix by brain - someone needs to learn to validate their input! */ if (!target || !channel) { user->WriteServ("401 %s %s :No such nick/channel", user->nick, !target ? username : channame); return CMD_FAILURE; } if (!channel->HasUser(target)) { user->WriteServ( "NOTICE %s :*** The user %s is not on channel %s", user->nick, target->nick, channel->name); return CMD_FAILURE; } /* This is adding support for the +q and +a channel modes, basically if they are enabled, and the remover has them set. * Then we change the @|%|+ to & if they are +a, or ~ if they are +q */ protectkey = "cm_protect_" + std::string(channel->name); founderkey = "cm_founder_" + std::string(channel->name); if (ServerInstance->ULine(user->server) || ServerInstance->ULine(user->nick)) { ulevel = chartolevel("U"); } if (user->GetExt(founderkey)) { ulevel = chartolevel("~"); } else if (user->GetExt(protectkey)) { ulevel = chartolevel("&"); } else { ulevel = chartolevel(channel->GetPrefixChar(user)); } /* Now it's the same idea, except for the target. If they're ulined make sure they get a higher level than the sender can */ if (ServerInstance->ULine(target->server) || ServerInstance->ULine(target->nick)) { tlevel = chartolevel("U"); } else if (target->GetExt(founderkey)) { tlevel = chartolevel("~"); } else if (target->GetExt(protectkey)) { tlevel = chartolevel("&"); } else { tlevel = chartolevel(channel->GetPrefixChar(target)); } hasnokicks = (ServerInstance->FindModule("m_nokicks.so") && channel->IsModeSet('Q')); /* We support the +Q channel mode via. the m_nokicks module, if the module is loaded and the mode is set then disallow the /remove */ if ((!IS_LOCAL(user)) || (!supportnokicks || !hasnokicks || (ulevel == ULINE))) { /* We'll let everyone remove their level and below, eg: * ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1) * a ulined target will get a higher level than it's possible for a /remover to get..so they're safe. * Nobody may remove a founder. */ if ((!IS_LOCAL(user)) || ((ulevel > PEON) && (ulevel >= tlevel) && (tlevel != OWNER))) { // no you can't just go from a std::ostringstream to a std::string, Om. -nenolod // but you can do this, nenolod -brain std::string reasonparam("No reason given"); /* If a reason is given, use it */ if(pcnt > 2) { /* Join params 2 ... pcnt - 1 (inclusive) into one */ irc::stringjoiner reason_join(" ", parameters, 2, pcnt - 1); reasonparam = reason_join.GetJoined(); } /* Build up the part reason string. */ reason = std::string("Removed by ") + user->nick + ": " + reasonparam; channel->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s removed %s from the channel", channel->name, user->nick, target->nick); target->WriteServ("NOTICE %s :*** %s removed you from %s with the message: %s", target->nick, user->nick, channel->name, reasonparam.c_str()); if (!channel->PartUser(target, reason.c_str())) delete channel; } else { user->WriteServ( "NOTICE %s :*** You do not have access to /remove %s from %s", user->nick, target->nick, channel->name); return CMD_FAILURE; } } else { /* m_nokicks.so was loaded and +Q was set, block! */ user->WriteServ( "484 %s %s :Can't remove user %s from channel (+Q set)", user->nick, channel->name, target->nick); return CMD_FAILURE; } /* route me */ return CMD_SUCCESS; } }; /** Handle /REMOVE */ class cmd_remove : public command_t, public RemoveBase { public: cmd_remove(InspIRCd* Instance, bool& snk) : command_t(Instance, "REMOVE", 0, 2), RemoveBase(Instance, snk) { this->source = "m_remove.so"; syntax = " []"; } CmdResult Handle (const char** parameters, int pcnt, userrec *user) { return RemoveBase::Handle(parameters, pcnt, user, false); } }; /** Handle /FPART */ class cmd_fpart : public command_t, public RemoveBase { public: cmd_fpart(InspIRCd* Instance, bool& snk) : command_t(Instance, "FPART", 0, 2), RemoveBase(Instance, snk) { this->source = "m_remove.so"; syntax = " []"; } CmdResult Handle (const char** parameters, int pcnt, userrec *user) { return RemoveBase::Handle(parameters, pcnt, user, true); } }; class ModuleRemove : public Module { cmd_remove* mycommand; cmd_fpart* mycommand2; bool supportnokicks; public: ModuleRemove(InspIRCd* Me) : Module(Me) { mycommand = new cmd_remove(ServerInstance, supportnokicks); mycommand2 = new cmd_fpart(ServerInstance, supportnokicks); ServerInstance->AddCommand(mycommand); ServerInstance->AddCommand(mycommand2); OnRehash(NULL,""); } void Implements(char* List) { List[I_On005Numeric] = List[I_OnRehash] = 1; } virtual void On005Numeric(std::string &output) { output.append(" REMOVE"); } virtual void OnRehash(userrec* user, const std::string&) { ConfigReader conf(ServerInstance); supportnokicks = conf.ReadFlag("remove", "supportnokicks", 0); } virtual ~ModuleRemove() { } virtual Version GetVersion() { return Version(1,1,1,0,VF_VENDOR,API_VERSION); } }; MODULE_INIT(ModuleRemove) \ No newline at end of file +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2008 Pippijn van Steenhoven + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2005, 2007 Robin Burchell + * Copyright (C) 2005-2006 Craig Edwards + * 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" + +/* + * This module supports the use of the +q and +a usermodes, but should work without them too. + * Usage of the command is restricted to +hoaq, and you cannot remove a user with a "higher" level than yourself. + * eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes. +*/ + +/** Base class for /FPART and /REMOVE + */ +class RemoveBase : public Command +{ + bool& supportnokicks; + ChanModeReference& nokicksmode; + + public: + RemoveBase(Module* Creator, bool& snk, ChanModeReference& nkm, const char* cmdn) + : Command(Creator, cmdn, 2, 3) + , supportnokicks(snk) + , nokicksmode(nkm) + { + } + + CmdResult HandleRMB(const std::vector& parameters, User *user, bool neworder) + { + User* target; + Channel* channel; + std::string reason; + + /* Set these to the parameters needed, the new version of this module switches it's parameters around + * supplying a new command with the new order while keeping the old /remove with the older order. + * /remove [reason ...] + * /fpart [reason ...] + */ + const std::string& channame = parameters[neworder ? 0 : 1]; + const std::string& username = parameters[neworder ? 1 : 0]; + + /* Look up the user we're meant to be removing from the channel */ + target = ServerInstance->FindNick(username); + + /* And the channel we're meant to be removing them from */ + channel = ServerInstance->FindChan(channame); + + /* Fix by brain - someone needs to learn to validate their input! */ + if ((!target) || (target->registered != REG_ALL) || (!channel)) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), !channel ? channame.c_str() : username.c_str()); + return CMD_FAILURE; + } + + if (!channel->HasUser(target)) + { + user->WriteServ( "NOTICE %s :*** The user %s is not on channel %s", user->nick.c_str(), target->nick.c_str(), channel->name.c_str()); + return CMD_FAILURE; + } + + int ulevel = channel->GetPrefixValue(user); + int tlevel = channel->GetPrefixValue(target); + + if (ServerInstance->ULine(target->server)) + { + user->WriteNumeric(482, "%s %s :Only a u-line may remove a u-line from a channel.", user->nick.c_str(), channame.c_str()); + return CMD_FAILURE; + } + + /* We support the +Q channel mode via. the m_nokicks module, if the module is loaded and the mode is set then disallow the /remove */ + if ((!IS_LOCAL(user)) || (!supportnokicks) || (!channel->IsModeSet(nokicksmode))) + { + /* We'll let everyone remove their level and below, eg: + * ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1) + * a ulined target will get a higher level than it's possible for a /remover to get..so they're safe. + * Nobody may remove a founder. + */ + if ((!IS_LOCAL(user)) || ((ulevel > VOICE_VALUE) && (ulevel >= tlevel) && (tlevel != 50000))) + { + // REMOVE/FPART will be sent to the target's server and it will reply with a PART (or do nothing if it doesn't understand the command) + if (!IS_LOCAL(target)) + return CMD_SUCCESS; + + std::string reasonparam; + + /* If a reason is given, use it */ + if(parameters.size() > 2) + reasonparam = parameters[2]; + else + reasonparam = "No reason given"; + + /* Build up the part reason string. */ + reason = "Removed by " + user->nick + ": " + reasonparam; + + channel->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s removed %s from the channel", channel->name.c_str(), user->nick.c_str(), target->nick.c_str()); + target->WriteNotice("*** " + user->nick + " removed you from " + channel->name + " with the message: " + reasonparam); + + channel->PartUser(target, reason); + } + else + { + user->WriteServ( "NOTICE %s :*** You do not have access to /remove %s from %s", user->nick.c_str(), target->nick.c_str(), channel->name.c_str()); + return CMD_FAILURE; + } + } + else + { + /* m_nokicks.so was loaded and +Q was set, block! */ + user->WriteServ( "484 %s %s :Can't remove user %s from channel (nokicks mode is set)", user->nick.c_str(), channel->name.c_str(), target->nick.c_str()); + return CMD_FAILURE; + } + + return CMD_SUCCESS; + } + RouteDescriptor GetRouting(User* user, const std::vector& parameters) = 0; +}; + +/** Handle /REMOVE + */ +class CommandRemove : public RemoveBase +{ + public: + CommandRemove(Module* Creator, bool& snk, ChanModeReference& nkm) + : RemoveBase(Creator, snk, nkm, "REMOVE") + { + syntax = " []"; + TRANSLATE3(TR_NICK, TR_TEXT, TR_TEXT); + } + + CmdResult Handle (const std::vector& parameters, User *user) + { + return HandleRMB(parameters, user, false); + } + + RouteDescriptor GetRouting(User* user, const std::vector& parameters) + { + User* dest = ServerInstance->FindNick(parameters[0]); + if (dest) + return ROUTE_OPT_UCAST(dest->server); + return ROUTE_LOCALONLY; + } +}; + +/** Handle /FPART + */ +class CommandFpart : public RemoveBase +{ + public: + CommandFpart(Module* Creator, bool& snk, ChanModeReference& nkm) + : RemoveBase(Creator, snk, nkm, "FPART") + { + syntax = " []"; + TRANSLATE3(TR_TEXT, TR_NICK, TR_TEXT); + } + + CmdResult Handle (const std::vector& parameters, User *user) + { + return HandleRMB(parameters, user, true); + } + + RouteDescriptor GetRouting(User* user, const std::vector& parameters) + { + User* dest = ServerInstance->FindNick(parameters[1]); + if (dest) + return ROUTE_OPT_UCAST(dest->server); + return ROUTE_LOCALONLY; + } +}; + +class ModuleRemove : public Module +{ + ChanModeReference nokicksmode; + CommandRemove cmd1; + CommandFpart cmd2; + bool supportnokicks; + + public: + ModuleRemove() + : nokicksmode(this, "nokick") + , cmd1(this, supportnokicks, nokicksmode) + , cmd2(this, supportnokicks, nokicksmode) + { + } + + void init() CXX11_OVERRIDE + { + ServerInstance->Modules->AddService(cmd1); + ServerInstance->Modules->AddService(cmd2); + OnRehash(NULL); + } + + void On005Numeric(std::map& tokens) CXX11_OVERRIDE + { + tokens["REMOVE"]; + } + + void OnRehash(User* user) CXX11_OVERRIDE + { + supportnokicks = ServerInstance->Config->ConfValue("remove")->getBool("supportnokicks"); + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Provides a /remove command, this is mostly an alternative to /kick, except makes users appear to have parted the channel", VF_OPTCOMMON | VF_VENDOR); + } +}; + +MODULE_INIT(ModuleRemove)