-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r/* $ModDesc: Adds timed bans */\r\r#include "inspircd.h"\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "hashcomp.h"\r#include "configreader.h"\r\r/** Holds a timed ban\r */\rclass TimedBan : public classbase\r{\r public:\r std::string channel;\r std::string mask;\r time_t expire;\r};\r\rtypedef std::vector<TimedBan> timedbans;\rtimedbans TimedBanList;\r\r/** Handle /TBAN\r */\rclass cmd_tban : public command_t\r{\r public:\r cmd_tban (InspIRCd* Instance) : command_t(Instance,"TBAN", 0, 3)\r {\r this->source = "m_timedbans.so";\r syntax = "<channel> <duration> <banmask>";\r }\r\r CmdResult Handle (const char** parameters, int pcnt, userrec *user)\r {\r chanrec* channel = ServerInstance->FindChan(parameters[0]);\r if (channel)\r {\r int cm = channel->GetStatus(user);\r if ((cm == STATUS_HOP) || (cm == STATUS_OP))\r {\r if (!ServerInstance->IsValidMask(parameters[2]))\r {\r user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban mask");\r return CMD_FAILURE;\r }\r for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)\r {\r if (!strcasecmp(i->data,parameters[2]))\r {\r user->WriteServ("NOTICE "+std::string(user->nick)+" :The ban "+std::string(parameters[2])+" is already on the banlist of "+std::string(parameters[0]));\r return CMD_FAILURE;\r }\r }\r TimedBan T;\r std::string channelname = parameters[0];\r long duration = ServerInstance->Duration(parameters[1]);\r unsigned long expire = duration + time(NULL);\r if (duration < 1)\r {\r user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban time");\r return CMD_FAILURE;\r }\r std::string mask = parameters[2];\r const char *setban[32];\r setban[0] = parameters[0];\r setban[1] = "+b";\r setban[2] = parameters[2];\r // use CallCommandHandler to make it so that the user sets the mode\r // themselves\r ServerInstance->CallCommandHandler("MODE",setban,3,user);\r /* Check if the ban was actually added (e.g. banlist was NOT full) */\r bool was_added = false;\r for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)\r if (!strcasecmp(i->data,mask.c_str()))\r was_added = true;\r if (was_added)\r {\r T.channel = channelname;\r T.mask = mask;\r T.expire = expire;\r TimedBanList.push_back(T);\r channel->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s added a timed ban on %s lasting for %ld seconds.", channel->name, user->nick, mask.c_str(), duration);\r return CMD_SUCCESS;\r }\r return CMD_FAILURE;\r }\r else user->WriteServ("482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, channel->name);\r return CMD_FAILURE;\r }\r user->WriteServ("401 %s %s :No such channel",user->nick, parameters[0]);\r return CMD_FAILURE;\r }\r};\r\rclass ModuleTimedBans : public Module\r{\r cmd_tban* mycommand;\r public:\r ModuleTimedBans(InspIRCd* Me)\r : Module(Me)\r {\r \r mycommand = new cmd_tban(ServerInstance);\r ServerInstance->AddCommand(mycommand);\r TimedBanList.clear();\r }\r \r virtual ~ModuleTimedBans()\r {\r TimedBanList.clear();\r }\r\r void Implements(char* List)\r {\r List[I_OnDelBan] = List[I_OnBackgroundTimer] = 1;\r }\r\r virtual int OnDelBan(userrec* source, chanrec* chan, const std::string &banmask)\r {\r irc::string listitem = banmask.c_str();\r irc::string thischan = chan->name;\r for (timedbans::iterator i = TimedBanList.begin(); i < TimedBanList.end(); i++)\r {\r irc::string target = i->mask.c_str();\r irc::string tchan = i->channel.c_str();\r if ((listitem == target) && (tchan == thischan))\r {\r TimedBanList.erase(i);\r break;\r }\r }\r return 0;\r }\r\r virtual void OnBackgroundTimer(time_t curtime)\r {\r bool again = true;\r while (again)\r {\r again = false;\r for (timedbans::iterator i = TimedBanList.begin(); i < TimedBanList.end(); i++)\r {\r if (curtime > i->expire)\r {\r chanrec* cr = ServerInstance->FindChan(i->channel);\r again = true;\r if (cr)\r {\r cr->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :Timed ban on %s expired.", cr->name, i->mask.c_str());\r const char *setban[3];\r setban[0] = i->channel.c_str();\r setban[1] = "-b";\r setban[2] = i->mask.c_str();\r // kludge alert!\r // ::SendMode expects a userrec* to send the numeric replies\r // back to, so we create it a fake user that isnt in the user\r // hash and set its descriptor to FD_MAGIC_NUMBER so the data\r // falls into the abyss :p\r userrec* temp = new userrec(ServerInstance);\r temp->SetFd(FD_MAGIC_NUMBER);\r /* FIX: Send mode remotely*/\r std::deque<std::string> n;\r n.push_back(setban[0]);\r n.push_back("-b");\r n.push_back(setban[2]);\r ServerInstance->SendMode(setban,3,temp);\r Event rmode((char *)&n, NULL, "send_mode");\r rmode.Send(ServerInstance);\r DELETE(temp);\r }\r else\r {\r /* Where the hell did our channel go?! */\r TimedBanList.erase(i);\r }\r // we used to delete the item here, but we dont need to as the servermode above does it for us,\r break;\r }\r }\r }\r }\r \r virtual Version GetVersion()\r {\r return Version(1,1,0,0,VF_VENDOR,API_VERSION);\r }\r};\r\rMODULE_INIT(ModuleTimedBans)\r\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2020 iwalkalone <iwalkalone69@gmail.com>
+ * Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2017 B00mX0r <b00mx0r@aureus.pw>
+ * Copyright (C) 2013, 2017-2018, 2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
+ * Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2009 John Brooks <special@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2005-2008, 2010 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
+ * 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 "listmode.h"
+
+// Holds a timed ban
+class TimedBan
+{
+ public:
+ std::string mask;
+ std::string setter;
+ time_t expire;
+ Channel* chan;
+};
+
+typedef std::vector<TimedBan> timedbans;
+timedbans TimedBanList;
+
+// Handle /TBAN
+class CommandTban : public Command
+{
+ ChanModeReference banmode;
+
+ bool IsBanSet(Channel* chan, const std::string& mask)
+ {
+ ListModeBase* banlm = static_cast<ListModeBase*>(*banmode);
+ if (!banlm)
+ return false;
+
+ const ListModeBase::ModeList* bans = banlm->GetList(chan);
+ if (bans)
+ {
+ for (ListModeBase::ModeList::const_iterator i = bans->begin(); i != bans->end(); ++i)
+ {
+ const ListModeBase::ListItem& ban = *i;
+ if (irc::equals(ban.mask, mask))
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public:
+ bool sendnotice;
+
+ CommandTban(Module* Creator)
+ : Command(Creator,"TBAN", 3)
+ , banmode(Creator, "ban")
+ {
+ syntax = "<channel> <duration> <banmask>";
+ }
+
+ CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
+ {
+ Channel* channel = ServerInstance->FindChan(parameters[0]);
+ if (!channel)
+ {
+ user->WriteNumeric(Numerics::NoSuchChannel(parameters[0]));
+ return CMD_FAILURE;
+ }
+
+ unsigned int cm = channel->GetPrefixValue(user);
+ if (cm < HALFOP_VALUE)
+ {
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, channel->name, "You do not have permission to set bans on this channel");
+ return CMD_FAILURE;
+ }
+
+ TimedBan T;
+ unsigned long duration;
+ if (!InspIRCd::Duration(parameters[1], duration))
+ {
+ user->WriteNotice("Invalid ban time");
+ return CMD_FAILURE;
+ }
+ unsigned long expire = duration + ServerInstance->Time();
+
+ std::string mask = parameters[2];
+ bool isextban = ((mask.size() > 2) && (mask[1] == ':'));
+ if (!isextban && !InspIRCd::IsValidMask(mask))
+ mask.append("!*@*");
+
+ if (IsBanSet(channel, mask))
+ {
+ user->WriteNotice("Ban already set");
+ return CMD_FAILURE;
+ }
+
+ Modes::ChangeList setban;
+ setban.push_add(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), mask);
+ // Pass the user (instead of ServerInstance->FakeClient) to ModeHandler::Process() to
+ // make it so that the user sets the mode themselves
+ ServerInstance->Modes->Process(user, channel, NULL, setban);
+ if (ServerInstance->Modes->GetLastChangeList().empty())
+ {
+ user->WriteNotice("Invalid ban mask");
+ return CMD_FAILURE;
+ }
+
+ T.mask = mask;
+ T.setter = user->nick;
+ T.expire = expire + (IS_REMOTE(user) ? 5 : 0);
+ T.chan = channel;
+ TimedBanList.push_back(T);
+
+ if (sendnotice)
+ {
+ const std::string message = InspIRCd::Format("Timed ban %s added by %s on %s lasting for %s.",
+ mask.c_str(), user->nick.c_str(), channel->name.c_str(), InspIRCd::DurationString(duration).c_str());
+ // If halfop is loaded, send notice to halfops and above, otherwise send to ops and above
+ PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h');
+ char pfxchar = (mh && mh->name == "halfop") ? mh->GetPrefix() : '@';
+
+ channel->WriteRemoteNotice(message, pfxchar);
+ }
+
+ return CMD_SUCCESS;
+ }
+
+ RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
+ {
+ return ROUTE_BROADCAST;
+ }
+};
+
+class BanWatcher : public ModeWatcher
+{
+ public:
+ BanWatcher(Module* parent)
+ : ModeWatcher(parent, "ban", MODETYPE_CHANNEL)
+ {
+ }
+
+ void AfterMode(User* source, User* dest, Channel* chan, const std::string& banmask, bool adding) CXX11_OVERRIDE
+ {
+ if (adding)
+ return;
+
+ for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end(); ++i)
+ {
+ if (i->chan != chan)
+ continue;
+
+ const std::string& target = i->mask;
+ if (irc::equals(banmask, target))
+ {
+ TimedBanList.erase(i);
+ break;
+ }
+ }
+ }
+};
+
+class ChannelMatcher
+{
+ Channel* const chan;
+
+ public:
+ ChannelMatcher(Channel* ch)
+ : chan(ch)
+ {
+ }
+
+ bool operator()(const TimedBan& tb) const
+ {
+ return (tb.chan == chan);
+ }
+};
+
+class ModuleTimedBans : public Module
+{
+ CommandTban cmd;
+ BanWatcher banwatcher;
+
+ public:
+ ModuleTimedBans()
+ : cmd(this)
+ , banwatcher(this)
+ {
+ }
+
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
+ {
+ ConfigTag* tag = ServerInstance->Config->ConfValue("timedbans");
+ cmd.sendnotice = tag->getBool("sendnotice", true);
+ }
+
+ void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE
+ {
+ timedbans expired;
+ for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end();)
+ {
+ if (curtime > i->expire)
+ {
+ expired.push_back(*i);
+ i = TimedBanList.erase(i);
+ }
+ else
+ ++i;
+ }
+
+ for (timedbans::iterator i = expired.begin(); i != expired.end(); i++)
+ {
+ const std::string mask = i->mask;
+ Channel* cr = i->chan;
+
+ if (cmd.sendnotice)
+ {
+ const std::string message = InspIRCd::Format("Timed ban %s set by %s on %s has expired.",
+ mask.c_str(), i->setter.c_str(), cr->name.c_str());
+ // If halfop is loaded, send notice to halfops and above, otherwise send to ops and above
+ PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h');
+ char pfxchar = (mh && mh->name == "halfop") ? mh->GetPrefix() : '@';
+
+ cr->WriteRemoteNotice(message, pfxchar);
+ }
+
+ Modes::ChangeList setban;
+ setban.push_remove(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), mask);
+ ServerInstance->Modes->Process(ServerInstance->FakeClient, cr, NULL, setban);
+ }
+ }
+
+ void OnChannelDelete(Channel* chan) CXX11_OVERRIDE
+ {
+ // Remove all timed bans affecting the channel from internal bookkeeping
+ TimedBanList.erase(std::remove_if(TimedBanList.begin(), TimedBanList.end(), ChannelMatcher(chan)), TimedBanList.end());
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Adds the /TBAN command which allows channel operators to add bans which will be expired after the specified period.", VF_COMMON | VF_VENDOR);
+ }
+};
+
+MODULE_INIT(ModuleTimedBans)
projects / user / henk / code / inspircd.git / blobdiff