X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_remove.cpp;h=b87b5d2c129c519d1bcd6e817bd7edbd2da0b25a;hb=caa89fb37c532930805f0b144e3298624ec1adec;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..b87b5d2c1 100644 --- a/src/modules/m_remove.cpp +++ b/src/modules/m_remove.cpp @@ -1 +1,282 @@ -/* +------------------------------------+ * | 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 +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2008 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" + +/* $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* const* parameters, int pcnt, 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]; + 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->WriteNumeric(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->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))) + { + // 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 CommandRemove : public Command, public RemoveBase +{ + public: + CommandRemove(InspIRCd* Instance, bool& snk) : Command(Instance, "REMOVE", 0, 2), RemoveBase(Instance, snk) + { + this->source = "m_remove.so"; + syntax = " []"; + TRANSLATE4(TR_NICK, TR_TEXT, TR_TEXT, TR_END); + } + + CmdResult Handle (const char* const* parameters, int pcnt, User *user) + { + return RemoveBase::Handle(parameters, pcnt, user, false); + } +}; + +/** 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 = " []"; + } + + CmdResult Handle (const char* const* parameters, int pcnt, User *user) + { + return RemoveBase::Handle(parameters, pcnt, user, true); + } +}; + +class ModuleRemove : public Module +{ + CommandRemove* mycommand; + CommandFpart* mycommand2; + bool supportnokicks; + + + public: + ModuleRemove(InspIRCd* Me) + : Module(Me) + { + mycommand = new CommandRemove(ServerInstance, supportnokicks); + mycommand2 = new CommandFpart(ServerInstance, supportnokicks); + ServerInstance->AddCommand(mycommand); + ServerInstance->AddCommand(mycommand2); + OnRehash(NULL,""); + Implementation eventlist[] = { I_On005Numeric, I_OnRehash }; + ServerInstance->Modules->Attach(eventlist, this, 2); + } + + + virtual void On005Numeric(std::string &output) + { + output.append(" REMOVE"); + } + + virtual void OnRehash(User* user, const std::string&) + { + ConfigReader conf(ServerInstance); + supportnokicks = conf.ReadFlag("remove", "supportnokicks", 0); + } + + virtual ~ModuleRemove() + { + } + + virtual Version GetVersion() + { + return Version(1, 2, 1, 0, VF_COMMON | VF_VENDOR, API_VERSION); + } + +}; + +MODULE_INIT(ModuleRemove)