m_exemptchanops by jackmcbarn - channel mode +X to allow per-channel setting

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@11855 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 130 insertions, 0 deletions

diff --git a/src/modules/m_exemptchanops.cpp b/src/modules/m_exemptchanops.cpp
new file mode 100644
index 000000000..ae2a80b02
--- /dev/null
+++ b/src/modules/m_exemptchanops.cpp
@@ -0,0 +1,130 @@
+/*       +------------------------------------+
+ *       | 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#define _CRT_SECURE_NO_DEPRECATE
+#define _SCL_SECURE_NO_DEPRECATE
+
+#include "inspircd.h"
+#include "u_listmode.h"
+
+/* $ModDesc: Provides the ability to allow channel operators to be exempt from certain modes. */
+/* $ModDep: ../../include/u_listmode.h */
+
+/** Handles channel mode +X
+ */
+class ExemptChanOps : public ListModeBase
+{
+ public:
+	ExemptChanOps(Module* Creator) : ListModeBase(Creator, "exemptchanops", 'X', "End of channel exemptchanops list", 954, 953, false, "exemptchanops") { }
+
+	virtual bool ValidateParam(User* user, Channel* chan, std::string &word)
+	{
+		if ((word.length() > 35) || (word.empty()))
+		{
+			user->WriteNumeric(955, "%s %s %s :word is too %s for exemptchanops list",user->nick.c_str(), chan->name.c_str(), word.c_str(), (word.empty() ? "short" : "long"));
+			return false;
+		}
+
+		return true;
+	}
+
+	virtual bool TellListTooLong(User* user, Channel* chan, std::string &word)
+	{
+		user->WriteNumeric(959, "%s %s %s :Channel exemptchanops list is full", user->nick.c_str(), chan->name.c_str(), word.c_str());
+		return true;
+	}
+
+	virtual void TellAlreadyOnList(User* user, Channel* chan, std::string &word)
+	{
+		user->WriteNumeric(957, "%s %s :The word %s is already on the exemptchanops list",user->nick.c_str(), chan->name.c_str(), word.c_str());
+	}
+
+	virtual void TellNotSet(User* user, Channel* chan, std::string &word)
+	{
+		user->WriteNumeric(958, "%s %s :No such exemptchanops word is set",user->nick.c_str(), chan->name.c_str());
+	}
+};
+
+class ModuleExemptChanOps : public Module
+{
+	ExemptChanOps ec;
+	std::string alwaysexempt, neverexempt;
+
+ public:
+
+	ModuleExemptChanOps()
+		: ec(this)
+	{
+		if (!ServerInstance->Modes->AddMode(&ec))
+			throw ModuleException("Could not add new modes!");
+
+		ec.DoImplements(this);
+		Implementation eventlist[] = { I_OnChannelDelete, I_OnChannelRestrictionApply, I_OnRehash, I_OnSyncChannel };
+		ServerInstance->Modules->Attach(eventlist, this, 4);
+
+		OnRehash(NULL);
+		ServerInstance->Modules->PublishInterface("ChannelBanList", this);
+	}
+
+	virtual Version GetVersion()
+	{
+		return Version("Provides the ability to allow channel operators to be exempt from certain modes.",VF_VENDOR|VF_COMMON,API_VERSION);
+	}
+
+	virtual void OnRehash(User* user)
+	{
+		ConfigReader Conf;
+		alwaysexempt = Conf.ReadValue("exemptchanops", "alwaysexempt", 0);
+		neverexempt = Conf.ReadValue("exemptchanops", "neverexempt", 0);
+		ec.DoRehash();
+	}
+
+	virtual void OnCleanup(int target_type, void* item)
+	{
+		ec.DoCleanup(target_type, item);
+	}
+
+	virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
+	{
+		ec.DoSyncChannel(chan, proto, opaque);
+	}
+
+	virtual ModResult OnChannelRestrictionApply(Membership* memb, Channel* chan, const char* restriction)
+	{
+		irc::spacesepstream allowstream(alwaysexempt), denystream(neverexempt);
+		std::string current;
+
+		if (memb->getRank() != OP_VALUE)
+			return MOD_RES_PASSTHRU; // They're not opped, so we don't exempt them
+		while(denystream.GetToken(current))
+			if (!strcasecmp(restriction, current.c_str())) return MOD_RES_PASSTHRU; // This mode is set to never allow exemptions in the config
+		while(allowstream.GetToken(current))
+			if (!strcasecmp(restriction, current.c_str())) return MOD_RES_ALLOW; // This mode is set to always allow exemptions in the config
+
+		modelist* list = ec.extItem.get(chan);
+
+		if (!list) return MOD_RES_PASSTHRU;
+		for (modelist::iterator i = list->begin(); i != list->end(); ++i)
+			if (!strcasecmp(restriction, i->mask.c_str()))
+				return MOD_RES_ALLOW; //  They're opped, and the channel lets ops bypass this mode.  Allow regardless of restrictions
+
+		return MOD_RES_PASSTHRU;
+	}
+
+	virtual ~ModuleExemptChanOps()
+	{
+		ServerInstance->Modules->UnpublishInterface("ChannelBanList", this);
+	}
+};
+
+MODULE_INIT(ModuleExemptChanOps)