-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include <sstream>\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "configreader.h"\r\r/* $ModDesc: Provides a /remove command, this is mostly an alternative to /kick, except makes users appear to have parted the channel */\r\r/* \r * This module supports the use of the +q and +a usermodes, but should work without them too.\r * Usage of the command is restricted to +hoaq, and you cannot remove a user with a "higher" level than yourself.\r * eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes.\r*/\r\r/** Base class for /FPART and /REMOVE\r */\rclass RemoveBase\r{\r private: \r bool& supportnokicks;\r InspIRCd* ServerInstance;\r \r protected:\r RemoveBase(InspIRCd* Instance, bool& snk) : supportnokicks(snk), ServerInstance(Instance)\r {\r } \r \r enum ModeLevel { PEON = 0, HALFOP = 1, OP = 2, ADMIN = 3, OWNER = 4, ULINE = 5 }; \r \r /* This little function just converts a chanmode character (U ~ & @ & +) into an integer (5 4 3 2 1 0) */\r /* XXX - We should probably use the new mode prefix rank stuff\r * for this instead now -- Brain */\r ModeLevel chartolevel(const std::string &privs)\r {\r if(privs.empty())\r {\r return PEON;\r }\r \r switch (privs[0])\r {\r case 'U':\r /* Ulined */\r return ULINE;\r case '~':\r /* Owner */\r return OWNER;\r case '&':\r /* Admin */\r return ADMIN;\r case '@':\r /* Operator */\r return OP;\r case '%':\r /* Halfop */\r return HALFOP;\r default:\r /* Peon */\r return PEON;\r }\r }\r \r CmdResult Handle (const char** parameters, int pcnt, userrec *user, bool neworder)\r {\r const char* channame;\r const char* username;\r userrec* target;\r chanrec* channel;\r ModeLevel tlevel;\r ModeLevel ulevel;\r std::string reason;\r std::string protectkey;\r std::string founderkey;\r bool hasnokicks;\r \r /* Set these to the parameters needed, the new version of this module switches it's parameters around\r * supplying a new command with the new order while keeping the old /remove with the older order.\r * /remove <nick> <channel> [reason ...]\r * /fpart <channel> <nick> [reason ...]\r */\r channame = parameters[ neworder ? 0 : 1];\r username = parameters[ neworder ? 1 : 0];\r \r /* Look up the user we're meant to be removing from the channel */\r target = ServerInstance->FindNick(username);\r \r /* And the channel we're meant to be removing them from */\r channel = ServerInstance->FindChan(channame);\r\r /* Fix by brain - someone needs to learn to validate their input! */\r if (!target || !channel)\r {\r user->WriteServ("401 %s %s :No such nick/channel", user->nick, !target ? username : channame);\r return CMD_FAILURE;\r }\r\r if (!channel->HasUser(target))\r {\r user->WriteServ( "NOTICE %s :*** The user %s is not on channel %s", user->nick, target->nick, channel->name);\r return CMD_FAILURE;\r } \r \r /* This is adding support for the +q and +a channel modes, basically if they are enabled, and the remover has them set.\r * Then we change the @|%|+ to & if they are +a, or ~ if they are +q */\r protectkey = "cm_protect_" + std::string(channel->name);\r founderkey = "cm_founder_" + std::string(channel->name);\r \r if (ServerInstance->ULine(user->server) || ServerInstance->ULine(user->nick))\r {\r ulevel = chartolevel("U");\r }\r if (user->GetExt(founderkey))\r {\r ulevel = chartolevel("~");\r }\r else if (user->GetExt(protectkey))\r {\r ulevel = chartolevel("&");\r }\r else\r {\r ulevel = chartolevel(channel->GetPrefixChar(user));\r }\r \r /* 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 */\r if (ServerInstance->ULine(target->server) || ServerInstance->ULine(target->nick))\r {\r tlevel = chartolevel("U");\r }\r else if (target->GetExt(founderkey))\r {\r tlevel = chartolevel("~");\r }\r else if (target->GetExt(protectkey))\r {\r tlevel = chartolevel("&");\r }\r else\r {\r tlevel = chartolevel(channel->GetPrefixChar(target));\r }\r \r hasnokicks = (ServerInstance->FindModule("m_nokicks.so") && channel->IsModeSet('Q'));\r \r /* 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 */\r if ((!IS_LOCAL(user)) || (!supportnokicks || !hasnokicks || (ulevel == ULINE)))\r {\r /* We'll let everyone remove their level and below, eg:\r * ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1)\r * a ulined target will get a higher level than it's possible for a /remover to get..so they're safe.\r * Nobody may remove a founder.\r */\r if ((!IS_LOCAL(user)) || ((ulevel > PEON) && (ulevel >= tlevel) && (tlevel != OWNER)))\r {\r // no you can't just go from a std::ostringstream to a std::string, Om. -nenolod\r // but you can do this, nenolod -brain\r\r std::string reasonparam("No reason given");\r \r /* If a reason is given, use it */\r if(pcnt > 2)\r {\r /* Join params 2 ... pcnt - 1 (inclusive) into one */\r irc::stringjoiner reason_join(" ", parameters, 2, pcnt - 1);\r reasonparam = reason_join.GetJoined();\r }\r\r /* Build up the part reason string. */\r reason = std::string("Removed by ") + user->nick + ": " + reasonparam;\r\r channel->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s removed %s from the channel", channel->name, user->nick, target->nick);\r target->WriteServ("NOTICE %s :*** %s removed you from %s with the message: %s", target->nick, user->nick, channel->name, reasonparam.c_str());\r\r if (!channel->PartUser(target, reason.c_str()))\r delete channel;\r }\r else\r {\r user->WriteServ( "NOTICE %s :*** You do not have access to /remove %s from %s", user->nick, target->nick, channel->name);\r return CMD_FAILURE;\r }\r }\r else\r {\r /* m_nokicks.so was loaded and +Q was set, block! */\r user->WriteServ( "484 %s %s :Can't remove user %s from channel (+Q set)", user->nick, channel->name, target->nick);\r return CMD_FAILURE;\r }\r\r /* route me */\r return CMD_SUCCESS;\r }\r};\r\r/** Handle /REMOVE\r */\rclass cmd_remove : public command_t, public RemoveBase\r{\r public:\r cmd_remove(InspIRCd* Instance, bool& snk) : command_t(Instance, "REMOVE", 0, 2), RemoveBase(Instance, snk)\r {\r this->source = "m_remove.so";\r syntax = "<nick> <channel> [<reason>]";\r }\r \r CmdResult Handle (const char** parameters, int pcnt, userrec *user)\r {\r return RemoveBase::Handle(parameters, pcnt, user, false);\r }\r};\r\r/** Handle /FPART\r */\rclass cmd_fpart : public command_t, public RemoveBase\r{\r public:\r cmd_fpart(InspIRCd* Instance, bool& snk) : command_t(Instance, "FPART", 0, 2), RemoveBase(Instance, snk)\r {\r this->source = "m_remove.so";\r syntax = "<channel> <nick> [<reason>]";\r }\r\r CmdResult Handle (const char** parameters, int pcnt, userrec *user)\r {\r return RemoveBase::Handle(parameters, pcnt, user, true);\r }\r};\r\rclass ModuleRemove : public Module\r{\r cmd_remove* mycommand;\r cmd_fpart* mycommand2;\r bool supportnokicks;\r \r \r public:\r ModuleRemove(InspIRCd* Me)\r : Module(Me)\r {\r mycommand = new cmd_remove(ServerInstance, supportnokicks);\r mycommand2 = new cmd_fpart(ServerInstance, supportnokicks);\r ServerInstance->AddCommand(mycommand);\r ServerInstance->AddCommand(mycommand2);\r OnRehash(NULL,"");\r }\r\r void Implements(char* List)\r {\r List[I_On005Numeric] = List[I_OnRehash] = 1;\r }\r\r virtual void On005Numeric(std::string &output)\r {\r output.append(" REMOVE");\r }\r \r virtual void OnRehash(userrec* user, const std::string&)\r {\r ConfigReader conf(ServerInstance);\r supportnokicks = conf.ReadFlag("remove", "supportnokicks", 0);\r }\r \r virtual ~ModuleRemove()\r {\r }\r \r virtual Version GetVersion()\r {\r return Version(1,1,1,0,VF_VENDOR,API_VERSION);\r }\r \r};\r\rMODULE_INIT(ModuleRemove)\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2005, 2007 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2005-2006 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+
+#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:
+ unsigned int protectedrank;
+
+ RemoveBase(Module* Creator, bool& snk, ChanModeReference& nkm, const char* cmdn)
+ : Command(Creator, cmdn, 2, 3)
+ , supportnokicks(snk)
+ , nokicksmode(nkm)
+ {
+ }
+
+ CmdResult HandleRMB(const std::vector<std::string>& parameters, User *user, bool fpart)
+ {
+ User* target;
+ Channel* channel;
+ std::string reason;
+
+ // If the command is a /REMOVE then detect the parameter order
+ bool neworder = ((fpart) || (parameters[0][0] == '#'));
+
+ /* 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 <nick> <channel> [reason ...]
+ * /fpart <channel> <nick> [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 */
+ if (IS_LOCAL(user))
+ target = ServerInstance->FindNickOnly(username);
+ else
+ 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(Numerics::NoSuchNick(channel ? username.c_str() : channame.c_str()));
+ return CMD_FAILURE;
+ }
+
+ if (!channel->HasUser(target))
+ {
+ user->WriteNotice(InspIRCd::Format("*** The user %s is not on channel %s", target->nick.c_str(), channel->name.c_str()));
+ return CMD_FAILURE;
+ }
+
+ if (target->server->IsULine())
+ {
+ user->WriteNumeric(482, channame, "Only a u-line may remove a u-line from a channel.");
+ 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 people with >= protectedrank rank.
+ */
+ unsigned int ulevel = channel->GetPrefixValue(user);
+ unsigned int tlevel = channel->GetPrefixValue(target);
+ if ((!IS_LOCAL(user)) || ((ulevel > VOICE_VALUE) && (ulevel >= tlevel) && ((protectedrank == 0) || (tlevel < protectedrank))))
+ {
+ // REMOVE 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))
+ {
+ // Send an ENCAP REMOVE with parameters being in the old <user> <chan> order which is
+ // compatible with both 2.0 and 2.2. This also turns FPART into REMOVE.
+ std::vector<std::string> p;
+ p.push_back(target->uuid);
+ p.push_back(channel->name);
+ if (parameters.size() > 2)
+ p.push_back(":" + parameters[2]);
+ ServerInstance->PI->SendEncapsulatedData(target->server->GetName(), "REMOVE", p, user);
+
+ 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->WriteNotice(InspIRCd::Format("%s removed %s from the channel", 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->WriteNotice(InspIRCd::Format("*** You do not have access to /remove %s from %s", target->nick.c_str(), channel->name.c_str()));
+ return CMD_FAILURE;
+ }
+ }
+ else
+ {
+ /* m_nokicks.so was loaded and +Q was set, block! */
+ user->WriteNumeric(ERR_RESTRICTED, channel->name, InspIRCd::Format("Can't remove user %s from channel (nokicks mode is set)", target->nick.c_str()));
+ return CMD_FAILURE;
+ }
+
+ return CMD_SUCCESS;
+ }
+};
+
+/** Handle /REMOVE
+ */
+class CommandRemove : public RemoveBase
+{
+ public:
+ CommandRemove(Module* Creator, bool& snk, ChanModeReference& nkm)
+ : RemoveBase(Creator, snk, nkm, "REMOVE")
+ {
+ syntax = "<channel> <nick> [<reason>]";
+ TRANSLATE3(TR_NICK, TR_TEXT, TR_TEXT);
+ }
+
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
+ {
+ return HandleRMB(parameters, user, false);
+ }
+};
+
+/** Handle /FPART
+ */
+class CommandFpart : public RemoveBase
+{
+ public:
+ CommandFpart(Module* Creator, bool& snk, ChanModeReference& nkm)
+ : RemoveBase(Creator, snk, nkm, "FPART")
+ {
+ syntax = "<channel> <nick> [<reason>]";
+ TRANSLATE3(TR_TEXT, TR_NICK, TR_TEXT);
+ }
+
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
+ {
+ return HandleRMB(parameters, user, true);
+ }
+};
+
+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 On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
+ {
+ tokens["REMOVE"];
+ }
+
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
+ {
+ ConfigTag* tag = ServerInstance->Config->ConfValue("remove");
+ supportnokicks = tag->getBool("supportnokicks");
+ cmd1.protectedrank = cmd2.protectedrank = tag->getInt("protectedrank", 50000);
+ }
+
+ 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)
projects / user / henk / code / inspircd.git / blobdiff