Added RMODE command per suggestion #479

docs/conf/helpop-full.conf.example

@@ -97,6 +97,11 @@ Removes a user from a channel you specify. You must be at least a
 channel halfoperator to remove a user. A removed user will part with
 a message stating they were removed from the channel and by whom.">
 
+<helpop key="rmode" value="/RMODE [channel] [modeletter] {[pattern]}
+
+Removes listmodes from a channel.
+E.g. /RMODE #Chan b m:* will remove all mute extbans.">
+
 <helpop key="fpart" value="/FPART [channel] [nick] {[reason]}
 
 This behaves identically to /REMOVE, the only difference is that that

docs/conf/modules.conf.example

@@ -1462,6 +1462,13 @@
 # use glob. For this reason, is recommended to use a real regex engine
 # so that at least \s or [[:space:]] is available.
 
+#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
+# RMODE module: Adds the /RMODE command
+# Allows channel mods to remove list modes en masse.
+# Syntax: /rmode <channel> <mode> [pattern]
+# E.g. '/rmode #Channel b m:*' will remove all mute-extbans on the channel.
+#<module name="m_rmode.so">
+
 #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
 # SAJOIN module: Adds the /SAJOIN command
 # This module is oper-only.

src/modules/m_rmode.cpp

@@ -0,0 +1,129 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
+ *
+ * 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"
+#include "listmode.h"
+
+/* $ModDesc: Provides support for the RMODE command - Makes mass removal of chan listmodes by glob pattern possible */
+
+/** Handle /RMODE
+ */
+class CommandRMode : public Command
+{
+ public:
+	CommandRMode(Module* Creator) : Command(Creator,"RMODE", 2, 3)
+	{
+		allow_empty_last_param = false;
+		syntax = "<channel> <mode> [pattern]";
+	}
+
+	CmdResult Handle(const std::vector<std::string> &parameters, User *user)
+	{
+		ModeHandler* mh;
+		Channel* chan = ServerInstance->FindChan(parameters[0]);
+		char modeletter = parameters[1][0];
+
+		if (chan == NULL)
+		{
+			user->WriteServ("NOTICE %s :The channel %s does not exist.", user->nick.c_str(), parameters[0].c_str());
+			return CMD_FAILURE;
+		}
+
+		mh = ServerInstance->Modes->FindMode(modeletter, MODETYPE_CHANNEL);
+		if (mh == NULL || parameters[1].size() > 1)
+		{
+			user->WriteServ("NOTICE %s :%s is not a valid channel mode.", user->nick.c_str(), parameters[1].c_str());
+			return CMD_FAILURE;
+		}
+
+		if (chan->GetPrefixValue(user) < mh->GetLevelRequired())
+		{
+			user->WriteServ("NOTICE %s :You do not have access to unset %c on %s.", user->nick.c_str(), modeletter, chan->name.c_str());
+			return CMD_FAILURE;
+		}
+
+		unsigned int prefixrank;
+		char prefixchar;
+		std::string pattern = parameters.size() > 2 ? parameters[2] : "*";
+		ListModeBase* lm;
+		ListModeBase::ModeList* ml;
+		irc::modestacker modestack(false);
+
+		if (!mh->IsListMode())
+		{
+			if (chan->IsModeSet(modeletter))
+				modestack.Push(modeletter);
+		}
+		else if (((prefixrank = mh->GetPrefixRank()) && (prefixchar = mh->GetPrefix())))
+		{
+			// As user prefix modes don't have a GetList() method, let's iterate through the channel's users.
+			for (UserMembIter it = chan->userlist.begin(); it != chan->userlist.end(); ++it)
+			{
+				if (!InspIRCd::Match(it->first->nick, pattern))
+					continue;
+				if (((strchr(chan->GetAllPrefixChars(user), prefixchar)) != NULL) && !(it->first == user && prefixrank > VOICE_VALUE))
+					modestack.Push(modeletter, it->first->nick);
+			}
+		}
+		else if (((lm = dynamic_cast<ListModeBase*>(mh)) != NULL) && ((ml = lm->GetList(chan)) != NULL))
+		{
+			for (ListModeBase::ModeList::iterator it = ml->begin(); it != ml->end(); ++it)
+			{
+				if (!InspIRCd::Match(it->mask, pattern))
+					continue;
+				modestack.Push(modeletter, it->mask);
+			}
+		}
+		else
+		{
+			user->WriteServ("NOTICE %s :Could not remove channel mode %c", user->nick.c_str(), modeletter);
+			return CMD_FAILURE;
+		}
+
+		parameterlist stackresult;
+		stackresult.push_back(chan->name);
+		while (modestack.GetStackedLine(stackresult))
+		{
+			ServerInstance->SendMode(stackresult, user);
+			stackresult.erase(stackresult.begin() + 1, stackresult.end());
+		}
+
+		return CMD_SUCCESS;
+	}
+};
+
+class ModuleRMode : public Module
+{
+	CommandRMode cmd;
+
+ public:
+	ModuleRMode() : cmd(this) { }
+
+	void init()
+	{
+		ServerInstance->Modules->AddService(cmd);
+	}
+
+	Version GetVersion()
+	{
+		return Version("Allows glob-based removal of list modes", VF_VENDOR);
+	}
+};
+
+MODULE_INIT(ModuleRMode)