X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_noctcp.cpp;h=b7cb84101edbefafab0075d1b5b675aa1c878e4d;hb=80e81e3b81b779901fd9d67f8ae030ee30c0bcec;hp=29b548e1c65a399ede9f2ff23eaede3b83c43823;hpb=b36ce84c7da93f680fc397bcb4c877abe063eaaa;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_noctcp.cpp b/src/modules/m_noctcp.cpp
index 29b548e1c..b7cb84101 100644
--- a/src/modules/m_noctcp.cpp
+++ b/src/modules/m_noctcp.cpp
@@ -1,9 +1,16 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
- *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ *   Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
+ *   Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2012 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
- *   Copyright (C) 2004, 2006 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2004, 2006 Craig Edwards <brain@inspircd.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
@@ -20,54 +27,95 @@
 
 
 #include "inspircd.h"
+#include "modules/exemption.h"
 
-/* $ModDesc: Provides channel mode +C to block CTCPs */
-
-class NoCTCP : public SimpleChannelModeHandler
+class NoCTCPUser : public SimpleUserModeHandler
 {
- public:
-	NoCTCP(Module* Creator) : SimpleChannelModeHandler(Creator, "noctcp", 'C') { }
+public:
+	NoCTCPUser(Module* Creator)
+		: SimpleUserModeHandler(Creator, "u_noctcp", 'T')
+	{
+		if (!ServerInstance->Config->ConfValue("noctcp")->getBool("enableumode"))
+			DisableAutoRegister();
+	}
 };
 
 class ModuleNoCTCP : public Module
 {
-	NoCTCP nc;
+	CheckExemption::EventProvider exemptionprov;
+	SimpleChannelModeHandler nc;
+	NoCTCPUser ncu;
 
  public:
 	ModuleNoCTCP()
-		: nc(this)
-	{
-	}
-
-	void init() CXX11_OVERRIDE
+		: exemptionprov(this)
+		, nc(this, "noctcp", 'C')
+		, ncu(this)
 	{
-		ServerInstance->Modules->AddService(nc);
-		Implementation eventlist[] = { I_OnUserPreMessage, I_On005Numeric };
-		ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
 	}
 
 	Version GetVersion() CXX11_OVERRIDE
 	{
-		return Version("Provides channel mode +C to block CTCPs", VF_VENDOR);
+		return Version("Adds channel mode C (noctcp) which allows channels to block messages which contain CTCPs and user mode T (u_noctcp) which allows users to block private messages that contain CTCPs.", VF_VENDOR);
 	}
 
-	ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE
+	ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
 	{
-		if ((target_type == TYPE_CHANNEL) && (IS_LOCAL(user)))
+		if (!IS_LOCAL(user))
+			return MOD_RES_PASSTHRU;
+
+		std::string ctcpname;
+		if (!details.IsCTCP(ctcpname) || irc::equals(ctcpname, "ACTION"))
+			return MOD_RES_PASSTHRU;
+
+		switch (target.type)
 		{
-			Channel* c = (Channel*)dest;
-			if ((text.empty()) || (text[0] != '\001') || (!strncmp(text.c_str(),"\1ACTION ",8)))
-				return MOD_RES_PASSTHRU;
+			case MessageTarget::TYPE_CHANNEL:
+			{
+				if (user->HasPrivPermission("channels/ignore-noctcp"))
+					return MOD_RES_PASSTHRU;
+
+				Channel* c = target.Get<Channel>();
+				const Channel::MemberMap& members = c->GetUsers();
+				for (Channel::MemberMap::const_iterator member = members.begin(); member != members.end(); ++member)
+				{
+					User* u = member->first;
+					if (u->IsModeSet(ncu))
+						details.exemptions.insert(u);
+				}
 
-			ModResult res = ServerInstance->OnCheckExemption(user,c,"noctcp");
-			if (res == MOD_RES_ALLOW)
-				return MOD_RES_PASSTHRU;
+				ModResult res = CheckExemption::Call(exemptionprov, user, c, "noctcp");
+				if (res == MOD_RES_ALLOW)
+					return MOD_RES_PASSTHRU;
 
-			if (!c->GetExtBanStatus(user, 'C').check(!c->IsModeSet('C')))
+				if (c->IsModeSet(nc))
+				{
+					user->WriteNumeric(Numerics::CannotSendTo(c, "CTCPs", &nc));
+					return MOD_RES_DENY;
+				}
+
+				if (c->GetExtBanStatus(user, 'C') == MOD_RES_DENY)
+				{
+					user->WriteNumeric(Numerics::CannotSendTo(c, "CTCPs", 'C', "noctcp"));
+					return MOD_RES_DENY;
+				}
+				break;
+			}
+			case MessageTarget::TYPE_USER:
 			{
-				user->WriteNumeric(ERR_NOCTCPALLOWED, "%s %s :Can't send CTCP to channel (+C set)",user->nick.c_str(), c->name.c_str());
-				return MOD_RES_DENY;
+				if (user->HasPrivPermission("users/ignore-noctcp"))
+					return MOD_RES_PASSTHRU;
+
+				User* u = target.Get<User>();
+				if (u->IsModeSet(ncu))
+				{
+					user->WriteNumeric(Numerics::CannotSendTo(u, "CTCPs", &ncu));
+					return MOD_RES_DENY;
+				}
+				break;
 			}
+			case MessageTarget::TYPE_SERVER:
+				break;
 		}
 		return MOD_RES_PASSTHRU;
 	}