-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * Copyright (C) 2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2017-2018 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2016 Attila Molnar <attilamolnar@hush.com>
*
- * ---------------------------------------------------
+ * 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/>.
*/
-using namespace std;
-
-#include <stdio.h>
-#include <string>
-#include <vector>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
-/* $ModDesc: Provides support for the /watch command */
+#include "inspircd.h"
+#include "modules/away.h"
-Server *Srv;
+#define INSPIRCD_MONITOR_MANAGER_ONLY
+#include "m_monitor.cpp"
-class watchentry
+enum
{
- public:
- userrec* watcher;
- std::string target;
+ RPL_GONEAWAY = 598,
+ RPL_NOTAWAY = 599,
+ RPL_LOGON = 600,
+ RPL_LOGOFF = 601,
+ RPL_WATCHOFF = 602,
+ RPL_WATCHSTAT = 603,
+ RPL_NOWON = 604,
+ RPL_NOWOFF = 605,
+ RPL_WATCHLIST = 606,
+ RPL_ENDOFWATCHLIST = 607,
+ // RPL_CLEARWATCH = 608, // unused
+ RPL_NOWISAWAY = 609,
+ ERR_TOOMANYWATCH = 512,
+ ERR_INVALIDWATCHNICK = 942
};
-typedef std::vector<watchentry> watchlist;
-watchlist watches;
-
-void handle_watch(char **parameters, int pcnt, userrec *user)
+class CommandWatch : public SplitCommand
{
- if (!pcnt)
+ // Additional penalty for /WATCH commands that request a list from the server
+ static const unsigned int ListPenalty = 4000;
+
+ IRCv3::Monitor::Manager& manager;
+
+ static void SendOnlineOffline(LocalUser* user, const std::string& nick, bool show_offline = true)
{
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
- {
- if (q->watcher == user)
- {
- userrec* targ = Srv->FindNick(q->target);
- if (targ)
- {
- WriteServ(user->fd,"604 %s %s %s %s %lu :is online",user->nick,targ->nick,targ->ident,targ->dhost,targ->age);
- }
- }
- }
- WriteServ(user->fd,"607 %s :End of WATCH list",user->nick);
+ User* target = IRCv3::Monitor::Manager::FindNick(nick);
+ if (target)
+ {
+ // The away state should only be sent if the client requests away notifications for a nick but 2.0 always sends them so we do that too
+ if (target->IsAway())
+ user->WriteNumeric(RPL_NOWISAWAY, target->nick, target->ident, target->GetDisplayedHost(), (unsigned long)target->awaytime, "is away");
+ else
+ user->WriteNumeric(RPL_NOWON, target->nick, target->ident, target->GetDisplayedHost(), (unsigned long)target->age, "is online");
+ }
+ else if (show_offline)
+ user->WriteNumeric(RPL_NOWOFF, nick, "*", "*", "0", "is offline");
}
- else if (pcnt > 0)
+
+ void HandlePlus(LocalUser* user, const std::string& nick)
{
- for (int x = 0; x < pcnt; x++)
+ IRCv3::Monitor::Manager::WatchResult result = manager.Watch(user, nick, maxwatch);
+ if (result == IRCv3::Monitor::Manager::WR_TOOMANY)
{
- char *nick = parameters[x];
- if (!strcasecmp(nick,"C"))
- {
- // watch clear
- bool done = false;
- while (!done)
- {
- done = true;
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
- {
- if (q->watcher == user)
- {
- done = false;
- watches.erase(q);
- break;
- }
- }
- }
- }
- else if (!strcasecmp(nick,"L"))
- {
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
- {
- if (q->watcher == user)
- {
- userrec* targ = Srv->FindNick(q->target);
- if (targ)
- {
- WriteServ(user->fd,"604 %s %s %s %s %lu :is online",user->nick,targ->nick,targ->ident,targ->dhost,targ->age);
- }
- }
- }
- WriteServ(user->fd,"607 %s :End of WATCH list",user->nick);
- }
- else if (!strcasecmp(nick,"S"))
- {
- std::string list = "";
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
- {
- if (q->watcher == user)
- {
- list = list + " " + q->target;
- }
- }
- char* l = (char*)list.c_str();
- if (*l == ' ')
- l++;
- WriteServ(user->fd,"606 %s :%s",user->nick,l);
- WriteServ(user->fd,"607 %s :End of WATCH S",user->nick);
- }
- else if (nick[0] == '-')
- {
- // removing an item from the list
- nick++;
- irc::string n1 = nick;
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
- {
- if (q->watcher == user)
- {
- irc::string n2 = q->target.c_str();
- userrec* a = Srv->FindNick(q->target);
- if (a)
- {
- WriteServ(user->fd,"602 %s %s %s %s %lu :stopped watching",user->nick,a->nick,a->ident,a->dhost,a->age);
- }
- else
- {
- WriteServ(user->fd,"602 %s %s * * 0 :stopped watching",user->nick,q->target.c_str());
- }
- if (n1 == n2)
- {
- watches.erase(q);
- break;
- }
- }
- }
- }
- else if (nick[0] == '+')
- {
- nick++;
- irc::string n1 = nick;
- bool exists = false;
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
- {
- if (q->watcher == user)
- {
- irc::string n2 = q->target.c_str();
- if (n1 == n2)
- {
- // already on watch list
- exists = true;
- }
- }
- }
- if (!exists)
- {
- watchentry w;
- w.watcher = user;
- w.target = nick;
- watches.push_back(w);
- log(DEBUG,"*** Added %s to watchlist of %s",nick,user->nick);
- }
- userrec* a = Srv->FindNick(nick);
- if (a)
- {
- WriteServ(user->fd,"604 %s %s %s %s %lu :is online",user->nick,a->nick,a->ident,a->dhost,a->age);
- }
- else
- {
- WriteServ(user->fd,"605 %s %s * * 0 :is offline",user->nick,nick);
- }
- }
+ // List is full, send error numeric
+ user->WriteNumeric(ERR_TOOMANYWATCH, nick, "Too many WATCH entries");
+ return;
+ }
+ else if (result == IRCv3::Monitor::Manager::WR_INVALIDNICK)
+ {
+ user->WriteNumeric(ERR_INVALIDWATCHNICK, nick, "Invalid nickname");
+ return;
}
+ else if (result != IRCv3::Monitor::Manager::WR_OK)
+ return;
+
+ SendOnlineOffline(user, nick);
}
- return;
-}
+ void HandleMinus(LocalUser* user, const std::string& nick)
+ {
+ if (!manager.Unwatch(user, nick))
+ return;
-class Modulewatch : public Module
-{
+ User* target = IRCv3::Monitor::Manager::FindNick(nick);
+ if (target)
+ user->WriteNumeric(RPL_WATCHOFF, target->nick, target->ident, target->GetDisplayedHost(), (unsigned long)target->age, "stopped watching");
+ else
+ user->WriteNumeric(RPL_WATCHOFF, nick, "*", "*", "0", "stopped watching");
+ }
+
+ void HandleList(LocalUser* user, bool show_offline)
+ {
+ user->CommandFloodPenalty += ListPenalty;
+ const IRCv3::Monitor::WatchedList& list = manager.GetWatched(user);
+ for (IRCv3::Monitor::WatchedList::const_iterator i = list.begin(); i != list.end(); ++i)
+ {
+ const IRCv3::Monitor::Entry* entry = *i;
+ SendOnlineOffline(user, entry->GetNick(), show_offline);
+ }
+ user->WriteNumeric(RPL_ENDOFWATCHLIST, "End of WATCH list");
+ }
+
+ void HandleStats(LocalUser* user)
+ {
+ user->CommandFloodPenalty += ListPenalty;
+
+ // Do not show how many clients are watching this nick, it's pointless
+ const IRCv3::Monitor::WatchedList& list = manager.GetWatched(user);
+ user->WriteNumeric(RPL_WATCHSTAT, InspIRCd::Format("You have %lu and are on 0 WATCH entries", (unsigned long)list.size()));
+
+ Numeric::Builder<' '> out(user, RPL_WATCHLIST);
+ for (IRCv3::Monitor::WatchedList::const_iterator i = list.begin(); i != list.end(); ++i)
+ {
+ const IRCv3::Monitor::Entry* entry = *i;
+ out.Add(entry->GetNick());
+ }
+ out.Flush();
+ user->WriteNumeric(RPL_ENDOFWATCHLIST, "End of WATCH S");
+ }
public:
+ unsigned int maxwatch;
- Modulewatch(Server* Me)
- : Module::Module(Me)
+ CommandWatch(Module* mod, IRCv3::Monitor::Manager& managerref)
+ : SplitCommand(mod, "WATCH")
+ , manager(managerref)
{
- Srv = Me;
- Srv->AddCommand("WATCH",handle_watch,0,0,"m_watch.so");
+ allow_empty_last_param = false;
+ syntax = "C|L|l|S|(+|-)<nick> [(+|-)<nick>]+";
}
- virtual void OnUserQuit(userrec* user, std::string reason)
+ CmdResult HandleLocal(LocalUser* user, const Params& parameters) CXX11_OVERRIDE
{
- log(DEBUG,"*** WATCH: On global quit: user %s",user->nick);
- irc::string n2 = user->nick;
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+ if (parameters.empty())
{
- irc::string n1 = q->target.c_str();
- if (n1 == n2)
- {
- log(DEBUG,"*** WATCH: On global quit: user %s is in notify of %s",user->nick,q->watcher->nick);
- WriteServ(q->watcher->fd,"601 %s %s %s %s %lu :went offline",q->watcher->nick,user->nick,user->ident,user->dhost,time(NULL));
- }
+ HandleList(user, false);
+ return CMD_SUCCESS;
}
- bool done = false;
- while (!done)
+
+ bool watch_l_done = false;
+ bool watch_s_done = false;
+
+ for (std::vector<std::string>::const_iterator i = parameters.begin(); i != parameters.end(); ++i)
{
- done = true;
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+ const std::string& token = *i;
+ char subcmd = toupper(token[0]);
+ if (subcmd == '+')
{
- if (q->watcher == user)
- {
- done = false;
- watches.erase(q);
- break;
- }
+ HandlePlus(user, token.substr(1));
+ }
+ else if (subcmd == '-')
+ {
+ HandleMinus(user, token.substr(1));
+ }
+ else if (subcmd == 'C')
+ {
+ manager.UnwatchAll(user);
+ }
+ else if ((subcmd == 'L') && (!watch_l_done))
+ {
+ watch_l_done = true;
+ // WATCH L requests a full list with online and offline nicks
+ // WATCH l requests a list with only online nicks
+ HandleList(user, (token[0] == 'L'));
+ }
+ else if ((subcmd == 'S') && (!watch_s_done))
+ {
+ watch_s_done = true;
+ HandleStats(user);
}
}
+ return CMD_SUCCESS;
}
+};
+
+class ModuleWatch
+ : public Module
+ , public Away::EventListener
+{
+ IRCv3::Monitor::Manager manager;
+ CommandWatch cmd;
- virtual void OnGlobalConnect(userrec* user)
+ void SendAlert(User* user, const std::string& nick, unsigned int numeric, const char* numerictext, time_t shownts)
{
- irc::string n2 = user->nick;
- log(DEBUG,"*** WATCH: On global connect: user %s",user->nick);
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+ const IRCv3::Monitor::WatcherList* list = manager.GetWatcherList(nick);
+ if (!list)
+ return;
+
+ Numeric::Numeric num(numeric);
+ num.push(nick).push(user->ident).push(user->GetDisplayedHost()).push(ConvToStr(shownts)).push(numerictext);
+ for (IRCv3::Monitor::WatcherList::const_iterator i = list->begin(); i != list->end(); ++i)
{
- irc::string n1 = q->target.c_str();
- if (n1 == n2)
- {
- log(DEBUG,"*** WATCH: On global connect: user %s is in notify of %s",user->nick,q->watcher->nick);
- WriteServ(q->watcher->fd,"600 %s %s %s %s %lu :arrived online",q->watcher->nick,user->nick,user->ident,user->dhost,user->age);
- }
+ LocalUser* curr = *i;
+ curr->WriteNumeric(num);
}
}
- virtual void OnUserPostNick(userrec* user, std::string oldnick)
+ void Online(User* user)
{
- irc::string n2 = oldnick.c_str();
- irc::string n3 = user->nick;
- log(DEBUG,"*** WATCH: On global nickchange: old nick: %s new nick: %s",oldnick.c_str(),user->nick);
- for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
- {
- irc::string n1 = q->target.c_str();
- // changed from a nick on the watchlist to one that isnt
- if (n1 == n2)
- {
- log(DEBUG,"*** WATCH: On global nickchange: old nick %s was on notify list of %s",oldnick.c_str(),q->watcher->nick);
- WriteServ(q->watcher->fd,"601 %s %s %s %s %lu :went offline",q->watcher->nick,oldnick.c_str(),user->ident,user->dhost,time(NULL));
- }
- else if (n1 == n3)
- {
- // changed from a nick not on notify to one that is
- log(DEBUG,"*** WATCH: On global nickchange: new nick %s is on notify list of %s",user->nick,q->watcher->nick);
- WriteServ(q->watcher->fd,"600 %s %s %s %s %lu :arrived online",q->watcher->nick,user->nick,user->ident,user->dhost,user->age);
- }
- }
- }
+ SendAlert(user, user->nick, RPL_LOGON, "arrived online", user->age);
+ }
- virtual void On005Numeric(std::string &output)
+ void Offline(User* user, const std::string& nick)
{
- // we don't really have a limit...
- output = output + " WATCH=999";
+ SendAlert(user, nick, RPL_LOGOFF, "went offline", user->age);
}
-
- virtual ~Modulewatch()
+
+ public:
+ ModuleWatch()
+ : Away::EventListener(this)
+ , manager(this, "watch")
+ , cmd(this, manager)
{
}
-
- virtual Version GetVersion()
+
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
- return Version(1,0,0,1,VF_VENDOR);
+ ConfigTag* tag = ServerInstance->Config->ConfValue("watch");
+ cmd.maxwatch = tag->getUInt("maxwatch", 30, 1);
}
-};
+ void OnPostConnect(User* user) CXX11_OVERRIDE
+ {
+ Online(user);
+ }
-class ModulewatchFactory : public ModuleFactory
-{
- public:
- ModulewatchFactory()
+ void OnUserPostNick(User* user, const std::string& oldnick) CXX11_OVERRIDE
{
+ // Detect and ignore nickname case change
+ if (ServerInstance->FindNickOnly(oldnick) == user)
+ return;
+
+ Offline(user, oldnick);
+ Online(user);
}
-
- ~ModulewatchFactory()
+
+ void OnUserQuit(User* user, const std::string& message, const std::string& oper_message) CXX11_OVERRIDE
{
+ LocalUser* localuser = IS_LOCAL(user);
+ if (localuser)
+ manager.UnwatchAll(localuser);
+ Offline(user, user->nick);
}
-
- virtual Module * CreateModule(Server* Me)
+
+ void OnUserAway(User* user) CXX11_OVERRIDE
{
- return new Modulewatch(Me);
+ SendAlert(user, user->nick, RPL_GONEAWAY, user->awaymsg.c_str(), user->awaytime);
}
-
-};
+ void OnUserBack(User* user) CXX11_OVERRIDE
+ {
+ SendAlert(user, user->nick, RPL_NOTAWAY, "is no longer away", ServerInstance->Time());
+ }
-extern "C" void * init_module( void )
-{
- return new ModulewatchFactory;
-}
+ void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
+ {
+ tokens["WATCH"] = ConvToStr(cmd.maxwatch);
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Adds the /WATCH command which allows users to find out when their friends are connected to the server.", VF_VENDOR);
+ }
+};
+MODULE_INIT(ModuleWatch)