-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2020 Michael <michaelhazell@hotmail.com>
+ * Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2013, 2017-2018, 2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2013, 2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009 John Brooks <special@inspircd.org>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006, 2010 Craig Edwards <brain@inspircd.org>
+ * Copyright (C) 2005, 2008 Robin Burchell <robin+git@viroteck.net>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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 <algorithm>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "configreader.h"
+#include "xline.h"
+#include "modules/stats.h"
+
+enum
+{
+ // InspIRCd-specific.
+ ERR_BADCHANNEL = 926
+};
-/* $ModDesc: Gives /cban, aka C:lines. Think Q:lines, for channels. */
+// Compatibility: Use glob matching?
+// InspIRCd versions 3.7.0 and below use only exact matching
+static bool glob = false;
/** Holds a CBAN item
*/
-class CBan : public classbase
+class CBan : public XLine
{
+private:
+ std::string matchtext;
+
public:
- irc::string chname;
- std::string set_by;
- time_t set_on;
- long length;
- std::string reason;
+ CBan(time_t s_time, unsigned long d, const std::string& src, const std::string& re, const std::string& ch)
+ : XLine(s_time, d, src, re, "CBAN")
+ , matchtext(ch)
+ {
+ }
- CBan()
+ // XXX I shouldn't have to define this
+ bool Matches(User* u) CXX11_OVERRIDE
{
+ return false;
}
- CBan(irc::string cn, std::string sb, time_t so, long ln, std::string rs) : chname(cn), set_by(sb), set_on(so), length(ln), reason(rs)
+ bool Matches(const std::string& s) CXX11_OVERRIDE
{
+ if (glob)
+ return InspIRCd::Match(s, matchtext);
+ else
+ return irc::equals(matchtext, s);
+ }
+
+ const std::string& Displayable() CXX11_OVERRIDE
+ {
+ return matchtext;
}
};
-bool CBanComp(const CBan &ban1, const CBan &ban2);
+/** An XLineFactory specialized to generate cban pointers
+ */
+class CBanFactory : public XLineFactory
+{
+ public:
+ CBanFactory() : XLineFactory("CBAN") { }
-typedef std::vector<CBan> cbanlist;
+ /** Generate a CBAN
+ */
+ XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE
+ {
+ return new CBan(set_time, duration, source, reason, xline_specific_mask);
+ }
-/* cbans is declared here, as our type is right above. Don't try move it. */
-cbanlist cbans;
+ bool AutoApplyToUserList(XLine* x) CXX11_OVERRIDE
+ {
+ return false; // No, we apply to channels.
+ }
+};
/** Handle /CBAN
*/
-class cmd_cban : public command_t
+class CommandCBan : public Command
{
public:
- cmd_cban(InspIRCd* Me) : command_t(Me, "CBAN", 'o', 1)
+ CommandCBan(Module* Creator) : Command(Creator, "CBAN", 1, 3)
{
- this->source = "m_cban.so";
- this->
- syntax = "<channel> [<duration> :<reason>]";
+ flags_needed = 'o';
+ this->syntax = "<channelmask> [<duration> [:<reason>]]";
}
- CmdResult Handle(const char** parameters, int pcnt, userrec *user)
+ CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
/* syntax: CBAN #channel time :reason goes here */
/* 'time' is a human-readable timestring, like 2d3h2s. */
- if(pcnt == 1)
+ if (parameters.size() == 1)
{
- /* form: CBAN #channel removes a CBAN */
- for (cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
+ std::string reason;
+
+ if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "CBAN", reason, user))
{
- if (parameters[0] == iter->chname)
- {
- unsigned long remaining = (iter->set_on + iter->length) - ServerInstance->Time();
- user->WriteServ( "386 %s %s :Removed CBAN with %lu seconds left before expiry (%s)", user->nick, iter->chname.c_str(), remaining, iter->reason.c_str());
- cbans.erase(iter);
- break;
- }
+ ServerInstance->SNO->WriteGlobalSno('x', "%s removed CBan on %s: %s", user->nick.c_str(), parameters[0].c_str(), reason.c_str());
+ }
+ else
+ {
+ user->WriteNotice("*** CBan " + parameters[0] + " not found on the list.");
+ return CMD_FAILURE;
}
}
- else if (pcnt >= 2)
+ else
{
- /* full form to add a CBAN */
- if (ServerInstance->IsChannel(parameters[0]))
+ // Adding - XXX todo make this respect <insane> tag perhaps..
+ unsigned long duration;
+ if (!InspIRCd::Duration(parameters[1], duration))
+ {
+ user->WriteNotice("*** Invalid duration for CBan.");
+ return CMD_FAILURE;
+ }
+ const char *reason = (parameters.size() > 2) ? parameters[2].c_str() : "No reason supplied";
+ CBan* r = new CBan(ServerInstance->Time(), duration, user->nick.c_str(), reason, parameters[0].c_str());
+
+ if (ServerInstance->XLines->AddLine(r, user))
{
- // parameters[0] = #channel
- // parameters[1] = 1h3m2s
- // parameters[2] = Tortoise abuser
- long length = ServerInstance->Duration(parameters[1]);
- std::string reason = (pcnt > 2) ? parameters[2] : "No reason supplied";
-
- cbans.push_back(CBan(parameters[0], user->nick, ServerInstance->Time(), length, reason));
-
- std::sort(cbans.begin(), cbans.end(), CBanComp);
-
- if(length > 0)
+ if (!duration)
{
- user->WriteServ( "385 %s %s :Added %lu second channel ban (%s)", user->nick, parameters[0], length, reason.c_str());
- ServerInstance->WriteOpers("*** %s added %lu second channel ban on %s (%s)", user->nick, length, parameters[0], reason.c_str());
+ ServerInstance->SNO->WriteGlobalSno('x', "%s added permanent CBan for %s: %s", user->nick.c_str(), parameters[0].c_str(), reason);
}
else
{
- user->WriteServ( "385 %s %s :Added permanent channel ban (%s)", user->nick, parameters[0], reason.c_str());
- ServerInstance->WriteOpers("*** %s added permanent channel ban on %s (%s)", user->nick, parameters[0], reason.c_str());
+ ServerInstance->SNO->WriteGlobalSno('x', "%s added timed CBan for %s, expires in %s (on %s): %s",
+ user->nick.c_str(), parameters[0].c_str(), InspIRCd::DurationString(duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + duration).c_str(), reason);
}
}
else
{
- user->WriteServ( "403 %s %s :Invalid channel name", user->nick, parameters[0]);
+ delete r;
+ user->WriteNotice("*** CBan for " + parameters[0] + " already exists");
return CMD_FAILURE;
}
}
-
- /* we want this routed! */
return CMD_SUCCESS;
}
-};
-bool CBanComp(const CBan &ban1, const CBan &ban2)
-{
- return ((ban1.set_on + ban1.length) < (ban2.set_on + ban2.length));
-}
+ RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
+ {
+ if (IS_LOCAL(user))
+ return ROUTE_LOCALONLY; // spanningtree will send ADDLINE
+
+ return ROUTE_BROADCAST;
+ }
+};
-class ModuleCBan : public Module
+class ModuleCBan : public Module, public Stats::EventListener
{
- cmd_cban* mycommand;
-
+ CommandCBan mycommand;
+ CBanFactory f;
public:
- ModuleCBan(InspIRCd* Me) : Module(Me)
+ ModuleCBan()
+ : Stats::EventListener(this)
+ , mycommand(this)
{
-
- mycommand = new cmd_cban(Me);
- ServerInstance->AddCommand(mycommand);
}
- void Implements(char* List)
+ void init() CXX11_OVERRIDE
{
- List[I_OnUserPreJoin] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnStats] = 1;
- }
-
- virtual int OnStats(char symbol, userrec* user, string_list &results)
- {
- ExpireBans();
-
- if(symbol == 'C')
- {
- for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
- {
- unsigned long remaining = (iter->set_on + iter->length) - ServerInstance->Time();
- results.push_back(std::string(ServerInstance->Config->ServerName)+" 210 "+user->nick+" "+iter->chname.c_str()+" "+iter->set_by+" "+ConvToStr(iter->set_on)+" "+ConvToStr(iter->length)+" "+ConvToStr(remaining)+" :"+iter->reason);
- }
- }
-
- return 0;
+ ServerInstance->XLines->RegisterFactory(&f);
}
- virtual int OnUserPreJoin(userrec *user, chanrec *chan, const char *cname, std::string &privs)
+ ~ModuleCBan()
{
- ExpireBans();
-
- /* check cbans in here, and apply as necessary. */
- for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
- {
- if(iter->chname == cname && !user->modes[UM_OPERATOR])
- {
- // Channel is banned.
- user->WriteServ( "384 %s %s :Cannot join channel, CBANed (%s)", user->nick, cname, iter->reason.c_str());
- ServerInstance->WriteOpers("*** %s tried to join %s which is CBANed (%s)", user->nick, cname, iter->reason.c_str());
- return 1;
- }
- }
- return 0;
- }
-
- virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
- {
- for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
- {
- proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "cban", EncodeCBan(*iter));
- }
- }
-
- virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
- {
- if((target_type == TYPE_OTHER) && (extname == "cban"))
- {
- cbans.push_back(DecodeCBan(extdata));
- std::sort(cbans.begin(), cbans.end(), CBanComp);
- }
+ ServerInstance->XLines->DelAll("CBAN");
+ ServerInstance->XLines->UnregisterFactory(&f);
}
- virtual ~ModuleCBan()
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
- }
-
- virtual Version GetVersion()
- {
- return Version(1,1,0,1,VF_VENDOR,API_VERSION);
- }
+ ConfigTag* tag = ServerInstance->Config->ConfValue("cban");
- std::string EncodeCBan(const CBan &ban)
- {
- std::ostringstream stream;
- stream << ban.chname << " " << ban.set_by << " " << ban.set_on << " " << ban.length << " " << ban.reason;
- return stream.str();
+ // XXX: Consider changing default behavior on the next major version
+ glob = tag->getBool("glob", false);
}
- CBan DecodeCBan(const std::string &data)
+ ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE
{
- CBan res;
- std::istringstream stream(data);
- stream >> res.chname;
- stream >> res.set_by;
- stream >> res.set_on;
- stream >> res.length;
- res.reason = stream.str();
-
- return res;
+ if (stats.GetSymbol() != 'C')
+ return MOD_RES_PASSTHRU;
+
+ ServerInstance->XLines->InvokeStats("CBAN", stats);
+ return MOD_RES_DENY;
}
- void ExpireBans()
+ ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
{
- bool go_again = true;
+ XLine *rl = ServerInstance->XLines->MatchesLine("CBAN", cname);
- while (go_again)
+ if (rl)
{
- go_again = false;
-
- for (cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
- {
- /* 0 == permanent, don't mess with them! -- w00t */
- if (iter->length != 0)
- {
- if (iter->set_on + iter->length <= ServerInstance->Time())
- {
- ServerInstance->WriteOpers("*** %li second CBAN on %s (%s) set %u seconds ago expired", iter->length, iter->chname.c_str(), iter->reason.c_str(), ServerInstance->Time() - iter->set_on);
- cbans.erase(iter);
- go_again = true;
- }
- }
-
- if (go_again == true)
- break;
- }
+ // Channel is banned.
+ user->WriteNumeric(ERR_BADCHANNEL, cname, InspIRCd::Format("Channel %s is CBANed: %s", cname.c_str(), rl->reason.c_str()));
+ ServerInstance->SNO->WriteGlobalSno('a', "%s tried to join %s which is CBANed (%s)",
+ user->nick.c_str(), cname.c_str(), rl->reason.c_str());
+ return MOD_RES_DENY;
}
- }
-};
-class ModuleCBanFactory : public ModuleFactory
-{
- public:
- ModuleCBanFactory()
- {
+ return MOD_RES_PASSTHRU;
}
-
- ~ModuleCBanFactory()
- {
- }
-
- virtual Module * CreateModule(InspIRCd* Me)
+
+ Version GetVersion() CXX11_OVERRIDE
{
- return new ModuleCBan(Me);
+ return Version("Adds the /CBAN command which allows server operators to prevent channels matching a glob from being created.", VF_COMMON | VF_VENDOR, glob ? "glob" : "");
}
-
};
-
-extern "C" DllExport void * init_module( void )
-{
- return new ModuleCBanFactory;
-}
+MODULE_INIT(ModuleCBan)