/*
* 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, 2017-2018, 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) 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
#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.", 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(nc)))
+ 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;
}