X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_remove.cpp;h=c86565b5f169661496004b8f41420f67b87e12db;hb=b5e220008782b2d538cb8e6e3b1923af0c13fb99;hp=5a83670e9260e0b7fc92bd83f6e7f10c5ca1fbe4;hpb=b9e643261230d3b71517b0bc631c3b306e7246fa;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_remove.cpp b/src/modules/m_remove.cpp index 5a83670e9..c86565b5f 100644 --- a/src/modules/m_remove.cpp +++ b/src/modules/m_remove.cpp @@ -1,179 +1,280 @@ -/* Support for a dancer-style /remove command, an alternative to /kick to try and avoid auto-rejoin-on-kick scripts */ -/* Written by Om, 25-03-05 */ +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ -using namespace std; - -#include -#include -#include "users.h" -#include "channels.h" -#include "modules.h" +#include "inspircd.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. */ -Server *Srv; - -/* This little function just converts a chanmode character (~ & @ & +) into an integer (5 4 3 2 1) */ -/* XXX - this could be handy in the core, so it can be used elsewhere */ -int chartolevel(std::string privs) -{ - /* XXX - if we just passed this a char, we could do a switch. Look nicer, really. */ - - if (privs == "~") - return 5; - else if (privs == "&") - return 4; - else if (privs == "@") - return 3; - else if (privs == "%") - return 2; - else - return 1; -} - -class cmd_remove : public command_t +/** Base class for /FPART and /REMOVE + */ +class RemoveBase { - public: - cmd_remove () : command_t("REMOVE", 0, 2) + private: + bool& supportnokicks; + InspIRCd* ServerInstance; + + protected: + RemoveBase(InspIRCd* Instance, bool& snk) : supportnokicks(snk), ServerInstance(Instance) { - this->source = "m_remove.so"; } - void Handle (char **parameters, int pcnt, userrec *user) + 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 std::vector& parameters, User *user, bool neworder) + { + const char* channame; + const char* username; + User* target; + Channel* 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].c_str(); + username = parameters[ neworder ? 1 : 0].c_str(); + /* Look up the user we're meant to be removing from the channel */ - userrec* target = Srv->FindNick(std::string(parameters[0])); + target = ServerInstance->FindNick(username); + /* And the channel we're meant to be removing them from */ - chanrec* channel = Srv->FindChannel(std::string(parameters[1])); - /* And see if the person calling the command has access to use it on the channel */ - std::string privs = Srv->ChanMode(user, channel); - /* Check what privs the person being removed has */ - std::string targetprivs = Srv->ChanMode(target, channel); - int tlevel; - int ulevel; - int n = 2; - std::string result; - - /* This turns all the parameters after the first two into a single string, so the part reason can be multi-word */ - while (n < pcnt) + channel = ServerInstance->FindChan(channame); + + /* Fix by brain - someone needs to learn to validate their input! */ + if (!target || !channel) { - result=result + std::string(" ") + std::string(parameters[n]); - n++; + user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), !target ? username : channame); + return CMD_FAILURE; } - - /* If the target nick exists... */ - if (target && channel) + + if (!channel->HasUser(target)) { - for (unsigned int x = 0; x < strlen(parameters[1]); x++) - { - if ((parameters[1][0] != '#') || (parameters[1][x] == ' ') || (parameters[1][x] == ',')) - { - Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** Invalid characters in channel name"); - return; - } - } - - /* 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 */ - if (user->GetExt("cm_protect_"+std::string(channel->name))) - privs = std::string("&"); - if (user->GetExt("cm_founder_"+std::string(channel->name))) - privs = std::string("~"); - - /* Now it's the same idea, except for the target */ - if (target->GetExt("cm_protect_"+std::string(channel->name))) - targetprivs = std::string("&"); - if (target->GetExt("cm_founder_"+std::string(channel->name))) - targetprivs = std::string("~"); - - tlevel = chartolevel(targetprivs); - ulevel = chartolevel(privs); - - /* If the user calling the command is either an admin, owner, operator or a half-operator on the channel */ - if(ulevel > 1) + 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; + } + + /* 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.c_str())) + { + 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.c_str())) + { + 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->Modules->Find("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))) { - /* For now, 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) */ - if(ulevel >= tlevel) - { - Srv->PartUserFromChannel(target,std::string(parameters[1]), "Remove by "+std::string(user->nick)+":"+result); - Srv->SendTo(NULL,user,"NOTICE "+std::string(channel->name)+" : "+std::string(user->nick)+" removed "+std::string(target->nick)+ " from the channel"); - Srv->SendTo(NULL,target,"NOTICE "+std::string(target->nick)+" :*** "+std::string(user->nick)+" removed you from "+std::string(channel->name)+" with the message:"+std::string(result)); - } - else + // 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(parameters.size() > 2) { - Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** You do not have access to remove "+std::string(target->nick)+" from the "+std::string(channel->name)); + /* Join params 2 ... pcnt - 1 (inclusive) into one */ + irc::stringjoiner reason_join(" ", parameters, 2, parameters.size() - 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.c_str(), user->nick.c_str(), target->nick.c_str()); + target->WriteServ("NOTICE %s :*** %s removed you from %s with the message: %s", target->nick.c_str(), user->nick.c_str(), channel->name.c_str(), reasonparam.c_str()); + + if (!channel->PartUser(target, reason)) + delete channel; } else { - Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** You do not have access to use /remove on "+std::string(channel->name)); + 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 (+Q set)", user->nick.c_str(), channel->name.c_str(), target->nick.c_str()); + return CMD_FAILURE; + } + + /* route me */ + return CMD_SUCCESS; } }; -class ModuleRemove : public Module +/** Handle /REMOVE + */ +class CommandRemove : public Command, public RemoveBase { - cmd_remove* mycommand; public: - ModuleRemove(Server* Me) - : Module::Module(Me) + CommandRemove(InspIRCd* Instance, bool& snk) : Command(Instance, "REMOVE", 0, 2, 2, false, 0), RemoveBase(Instance, snk) { - Srv = Me; - mycommand = new cmd_remove(); - Srv->AddCommand(mycommand); + this->source = "m_remove.so"; + syntax = " []"; + TRANSLATE4(TR_NICK, TR_TEXT, TR_TEXT, TR_END); } - void Implements(char* List) + CmdResult Handle (const std::vector& parameters, User *user) { - List[I_On005Numeric] = 1; + return RemoveBase::Handle(parameters, user, false); } +}; - virtual void On005Numeric(std::string &output) - { - output = output + std::string(" REMOVE"); - } - - virtual ~ModuleRemove() +/** Handle /FPART + */ +class CommandFpart : public Command, public RemoveBase +{ + public: + CommandFpart(InspIRCd* Instance, bool& snk) : Command(Instance, "FPART", 0, 2), RemoveBase(Instance, snk) { + this->source = "m_remove.so"; + syntax = " []"; } - - virtual Version GetVersion() + + CmdResult Handle (const std::vector& parameters, User *user) { - return Version(1,0,0,1,VF_VENDOR); + return RemoveBase::Handle(parameters, user, true); } - }; -// stuff down here is the module-factory stuff. For basic modules you can ignore this. - -class ModuleRemoveFactory : public ModuleFactory +class ModuleRemove : public Module { + CommandRemove cmd1; + CommandFpart cmd2; + bool supportnokicks; + + public: - ModuleRemoveFactory() + ModuleRemove(InspIRCd* Me) + : Module(Me), cmd1(Me, supportnokicks), cmd2(Me, supportnokicks) + { + ServerInstance->AddCommand(&cmd1); + ServerInstance->AddCommand(&cmd2); + OnRehash(NULL); + Implementation eventlist[] = { I_On005Numeric, I_OnRehash }; + ServerInstance->Modules->Attach(eventlist, this, 2); + } + + + virtual void On005Numeric(std::string &output) { + output.append(" REMOVE"); } - - ~ModuleRemoveFactory() + + virtual void OnRehash(User* user) { + ConfigReader conf(ServerInstance); + supportnokicks = conf.ReadFlag("remove", "supportnokicks", 0); } - - virtual Module * CreateModule(Server* Me) + + virtual ~ModuleRemove() { - return new ModuleRemove(Me); } - -}; + virtual Version GetVersion() + { + return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION); + } -extern "C" void * init_module( void ) -{ - return new ModuleRemoveFactory; -} +}; +MODULE_INIT(ModuleRemove)