X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_noctcp.cpp;h=37e7841666d12abd16e4eaf8fcc5ae77519fe31a;hb=3151d60c1ecc9462e4c335282ee6c31672f45111;hp=b3445155a9c109fcc1f6becfef3920ba97167fa8;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_noctcp.cpp b/src/modules/m_noctcp.cpp index b3445155a..37e784166 100644 --- a/src/modules/m_noctcp.cpp +++ b/src/modules/m_noctcp.cpp @@ -1 +1,129 @@ -/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "users.h" #include "channels.h" #include "modules.h" /* $ModDesc: Provides support for unreal-style channel mode +c */ class NoCTCP : public ModeHandler { public: NoCTCP(InspIRCd* Instance) : ModeHandler(Instance, 'C', 0, 0, false, MODETYPE_CHANNEL, false) { } ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding) { if (adding) { if (!channel->IsModeSet('C')) { channel->SetMode('C',true); return MODEACTION_ALLOW; } } else { if (channel->IsModeSet('C')) { channel->SetMode('C',false); return MODEACTION_ALLOW; } } return MODEACTION_DENY; } }; class ModuleNoCTCP : public Module { NoCTCP* nc; public: ModuleNoCTCP(InspIRCd* Me) : Module(Me) { nc = new NoCTCP(ServerInstance); if (!ServerInstance->AddMode(nc, 'C')) throw ModuleException("Could not add new modes!"); } void Implements(char* List) { List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = 1; } virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) { return OnUserPreNotice(user,dest,target_type,text,status,exempt_list); } virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) { if ((target_type == TYPE_CHANNEL) && (IS_LOCAL(user))) { chanrec* c = (chanrec*)dest; if (c->IsModeSet('C')) { if ((text.length()) && (text[0] == '\1')) { if (strncmp(text.c_str(),"\1ACTION ",8)) { user->WriteServ("492 %s %s :Can't send CTCP to channel (+C set)",user->nick, c->name); return 1; } } } } return 0; } virtual ~ModuleNoCTCP() { ServerInstance->Modes->DelMode(nc); DELETE(nc); } virtual Version GetVersion() { return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION); } }; MODULE_INIT(ModuleNoCTCP) \ No newline at end of file +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2019 linuxdaemon + * Copyright (C) 2019 Matt Schatz + * Copyright (C) 2013, 2017-2018, 2020 Sadie Powell + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2012 Attila Molnar + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2008 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006 Craig Edwards + * + * 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 . + */ + + +#include "inspircd.h" +#include "modules/exemption.h" + +class NoCTCPUser : public SimpleUserModeHandler +{ +public: + NoCTCPUser(Module* Creator) + : SimpleUserModeHandler(Creator, "u_noctcp", 'T') + { + if (!ServerInstance->Config->ConfValue("noctcp")->getBool("enableumode")) + DisableAutoRegister(); + } +}; + +class ModuleNoCTCP : public Module +{ + CheckExemption::EventProvider exemptionprov; + SimpleChannelModeHandler nc; + NoCTCPUser ncu; + + public: + ModuleNoCTCP() + : exemptionprov(this) + , nc(this, "noctcp", 'C') + , ncu(this) + { + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Adds channel mode C (noctcp) which allows channels to block messages which contain CTCPs.", VF_VENDOR); + } + + ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE + { + 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) + { + case MessageTarget::TYPE_CHANNEL: + { + if (user->HasPrivPermission("channels/ignore-noctcp")) + return MOD_RES_PASSTHRU; + + Channel* c = target.Get(); + 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 = CheckExemption::Call(exemptionprov, user, c, "noctcp"); + if (res == MOD_RES_ALLOW) + return MOD_RES_PASSTHRU; + + 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: + { + if (user->HasPrivPermission("users/ignore-noctcp")) + return MOD_RES_PASSTHRU; + + User* u = target.Get(); + 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; + } + + void On005Numeric(std::map& tokens) CXX11_OVERRIDE + { + tokens["EXTBAN"].push_back('C'); + } +}; + +MODULE_INIT(ModuleNoCTCP)