-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd is copyright (C) 2002-2006 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 "hashcomp.h"
#include "inspircd.h"
+#include "modules/away.h"
-/* $ModDesc: Provides support for the /watch command */
+#define INSPIRCD_MONITOR_MANAGER_ONLY
+#include "m_monitor.cpp"
-/* nickname list of users watching the nick */
-typedef std::map<irc::string, std::deque<userrec*> > watchentries;
+enum
+{
+ 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
+};
-/* nickname 'ident host signon', or empty if not online */
-typedef std::map<irc::string, std::string> watchlist;
+class CommandWatch : public SplitCommand
+{
+ // Additional penalty for /WATCH commands that request a list from the server
+ static const unsigned int ListPenalty = 4000;
-/* Whos watching each nickname */
-watchentries whos_watching_me;
+ IRCv3::Monitor::Manager& manager;
-/** Handle /WATCH
- */
-class cmd_watch : public command_t
-{
- unsigned int& MAX_WATCH;
- public:
- CmdResult remove_watch(userrec* user, const char* nick)
+ static void SendOnlineOffline(LocalUser* user, const std::string& nick, bool show_offline = true)
{
- // removing an item from the list
- if (!ServerInstance->IsNick(nick))
+ User* target = IRCv3::Monitor::Manager::FindNick(nick);
+ if (target)
{
- user->WriteServ("942 %s %s :Invalid nickname", user->nick, nick);
- return CMD_FAILURE;
+ // 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");
+ }
- watchlist* wl;
- if (user->GetExt("watchlist", wl))
+ void HandlePlus(LocalUser* user, const std::string& nick)
+ {
+ IRCv3::Monitor::Manager::WatchResult result = manager.Watch(user, nick, maxwatch);
+ if (result == IRCv3::Monitor::Manager::WR_TOOMANY)
{
- /* Yup, is on my list */
- watchlist::iterator n = wl->find(nick);
- if (n != wl->end())
- {
- if (!n->second.empty())
- user->WriteServ("602 %s %s %s :stopped watching", user->nick, n->first.c_str(), n->second.c_str());
- else
- user->WriteServ("602 %s %s * * 0 :stopped watching", user->nick, nick);
-
- wl->erase(n);
- }
+ // 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;
- if (!wl->size())
- {
- user->Shrink("watchlist");
- delete wl;
- }
+ SendOnlineOffline(user, nick);
+ }
- watchentries::iterator x = whos_watching_me.find(nick);
- if (x != whos_watching_me.end())
- {
- /* People are watching this user, am i one of them? */
- std::deque<userrec*>::iterator n = std::find(x->second.begin(), x->second.end(), user);
- if (n != x->second.end())
- /* I'm no longer watching you... */
- x->second.erase(n);
-
- if (!x->second.size())
- whos_watching_me.erase(nick);
- }
- }
+ void HandleMinus(LocalUser* user, const std::string& nick)
+ {
+ if (!manager.Unwatch(user, nick))
+ return;
- /* This might seem confusing, but we return CMD_FAILURE
- * to indicate that this message shouldnt be routed across
- * the network to other linked servers.
- */
- return CMD_FAILURE;
+ 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");
}
- CmdResult add_watch(userrec* user, const char* nick)
+ void HandleList(LocalUser* user, bool show_offline)
{
- if (!ServerInstance->IsNick(nick))
+ user->CommandFloodPenalty += ListPenalty;
+ const IRCv3::Monitor::WatchedList& list = manager.GetWatched(user);
+ for (IRCv3::Monitor::WatchedList::const_iterator i = list.begin(); i != list.end(); ++i)
{
- user->WriteServ("942 %s %s :Invalid nickname",user->nick,nick);
- return CMD_FAILURE;
+ const IRCv3::Monitor::Entry* entry = *i;
+ SendOnlineOffline(user, entry->GetNick(), show_offline);
}
+ user->WriteNumeric(RPL_ENDOFWATCHLIST, "End of WATCH list");
+ }
- watchlist* wl;
- if (!user->GetExt("watchlist", wl))
+ 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)
{
- ServerInstance->Log(DEBUG,"Allocate new watchlist");
- wl = new watchlist();
- user->Extend("watchlist", wl);
+ const IRCv3::Monitor::Entry* entry = *i;
+ out.Add(entry->GetNick());
}
+ out.Flush();
+ user->WriteNumeric(RPL_ENDOFWATCHLIST, "End of WATCH S");
+ }
+
+ public:
+ unsigned int maxwatch;
- if (wl->size() == MAX_WATCH)
+ CommandWatch(Module* mod, IRCv3::Monitor::Manager& managerref)
+ : SplitCommand(mod, "WATCH")
+ , manager(managerref)
+ {
+ allow_empty_last_param = false;
+ syntax = "C|L|l|S|(+|-)<nick> [(+|-)<nick>]+";
+ }
+
+ CmdResult HandleLocal(LocalUser* user, const Params& parameters) CXX11_OVERRIDE
+ {
+ if (parameters.empty())
{
- user->WriteServ("512 %s %s :Too many WATCH entries", user->nick, nick);
- return CMD_FAILURE;
+ HandleList(user, false);
+ return CMD_SUCCESS;
}
- watchlist::iterator n = wl->find(nick);
- if (n == wl->end())
+ bool watch_l_done = false;
+ bool watch_s_done = false;
+
+ for (std::vector<std::string>::const_iterator i = parameters.begin(); i != parameters.end(); ++i)
{
- ServerInstance->Log(DEBUG,"*** Add to WATCH: '%s'", nick);
- /* Don't already have the user on my watch list, proceed */
- watchentries::iterator x = whos_watching_me.find(nick);
- if (x != whos_watching_me.end())
+ const std::string& token = *i;
+ char subcmd = toupper(token[0]);
+ if (subcmd == '+')
{
- /* People are watching this user, add myself */
- x->second.push_back(user);
+ HandlePlus(user, token.substr(1));
}
- else
+ else if (subcmd == '-')
{
- std::deque<userrec*> newlist;
- newlist.push_back(user);
- whos_watching_me[nick] = newlist;
+ HandleMinus(user, token.substr(1));
}
-
- userrec* target = ServerInstance->FindNick(nick);
- if (target)
+ else if (subcmd == 'C')
{
- (*wl)[nick] = std::string(target->ident).append(" ").append(target->dhost).append(" ").append(ConvToStr(target->age));
- user->WriteServ("604 %s %s %s :is online",user->nick, nick, (*wl)[nick].c_str());
+ manager.UnwatchAll(user);
}
- else
+ else if ((subcmd == 'L') && (!watch_l_done))
{
- (*wl)[nick] = "";
- user->WriteServ("605 %s %s * * 0 :is offline",user->nick, nick);
+ 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
- {
- ServerInstance->Log(DEBUG,"*** WATCH entry '%s' already exists!", nick);
- }
-
- return CMD_FAILURE;
- }
-
- cmd_watch (InspIRCd* Instance, unsigned int &maxwatch) : command_t(Instance,"WATCH",0,0), MAX_WATCH(maxwatch)
- {
- this->source = "m_watch.so";
- syntax = "[C|L|S]|[+|-<nick>]";
- }
-
- CmdResult Handle (const char** parameters, int pcnt, userrec *user)
- {
- if (!pcnt)
- {
- watchlist* wl;
- if (user->GetExt("watchlist", wl))
+ else if ((subcmd == 'S') && (!watch_s_done))
{
- for (watchlist::iterator q = wl->begin(); q != wl->end(); q++)
- {
- if (!q->second.empty())
- user->WriteServ("604 %s %s %s :is online", user->nick, q->first.c_str(), q->second.c_str());
- }
+ watch_s_done = true;
+ HandleStats(user);
}
- user->WriteServ("607 %s :End of WATCH list",user->nick);
}
- else if (pcnt > 0)
- {
- for (int x = 0; x < pcnt; x++)
- {
- const char *nick = parameters[x];
- ServerInstance->Log(DEBUG,"WATCH iterate item '%s'", nick);
- if (!strcasecmp(nick,"C"))
- {
- // watch clear
- watchlist* wl;
- if (user->GetExt("watchlist", wl))
- {
- for (watchlist::iterator i = wl->begin(); i != wl->end(); i++)
- {
- watchentries::iterator x = whos_watching_me.find(i->first);
- if (x != whos_watching_me.end())
- {
- /* People are watching this user, am i one of them? */
- std::deque<userrec*>::iterator n = std::find(x->second.begin(), x->second.end(), user);
- if (n != x->second.end())
- /* I'm no longer watching you... */
- x->second.erase(n);
-
- if (!x->second.size())
- whos_watching_me.erase(user->nick);
- }
- }
-
- delete wl;
- user->Shrink("watchlist");
- }
- }
- else if (!strcasecmp(nick,"L"))
- {
- watchlist* wl;
- if (user->GetExt("watchlist", wl))
- {
- for (watchlist::iterator q = wl->begin(); q != wl->end(); q++)
- {
- if (!q->second.empty())
- user->WriteServ("604 %s %s %s :is online", user->nick, q->first.c_str(), q->second.c_str());
- }
- }
- user->WriteServ("607 %s :End of WATCH list",user->nick);
- }
- else if (!strcasecmp(nick,"S"))
- {
- watchlist* wl;
- int you_have = 0;
- int youre_on = 0;
- std::string list;
-
- if (user->GetExt("watchlist", wl))
- {
- for (watchlist::iterator q = wl->begin(); q != wl->end(); q++)
- if (!q->second.empty())
- list.append(q->first.c_str()).append(" ");
- you_have = wl->size();
- }
-
- watchentries::iterator x = whos_watching_me.find(user->nick);
- if (x != whos_watching_me.end())
- youre_on = x->second.size();
-
- user->WriteServ("603 %s :You have %d and are on %d WATCH entries", user->nick, you_have, youre_on);
- user->WriteServ("606 %s :%s",user->nick, list.c_str());
- user->WriteServ("607 %s :End of WATCH S",user->nick);
- }
- else if (nick[0] == '-')
- {
- nick++;
- remove_watch(user, nick);
- }
- else if (nick[0] == '+')
- {
- nick++;
- add_watch(user, nick);
- }
- }
- }
- /* So that spanningtree doesnt pass the WATCH commands to the network! */
- return CMD_FAILURE;
+ return CMD_SUCCESS;
}
};
-class Modulewatch : public Module
+class ModuleWatch
+ : public Module
+ , public Away::EventListener
{
- cmd_watch* mycommand;
- unsigned int maxwatch;
- public:
+ IRCv3::Monitor::Manager manager;
+ CommandWatch cmd;
- Modulewatch(InspIRCd* Me)
- : Module::Module(Me), maxwatch(32)
+ void SendAlert(User* user, const std::string& nick, unsigned int numeric, const char* numerictext, time_t shownts)
{
- mycommand = new cmd_watch(ServerInstance, maxwatch);
- ServerInstance->AddCommand(mycommand);
+ 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)
+ {
+ LocalUser* curr = *i;
+ curr->WriteNumeric(num);
+ }
}
- void Implements(char* List)
+ void Online(User* user)
{
- List[I_OnUserQuit] = List[I_OnPostConnect] = List[I_OnUserPostNick] = List[I_On005Numeric] = 1;
+ SendAlert(user, user->nick, RPL_LOGON, "arrived online", user->age);
}
- virtual void OnUserQuit(userrec* user, const std::string &reason)
+ void Offline(User* user, const std::string& nick)
{
- ServerInstance->Log(DEBUG,"*** WATCH: On global quit: user %s",user->nick);
- watchentries::iterator x = whos_watching_me.find(user->nick);
- if (x != whos_watching_me.end())
- {
- for (std::deque<userrec*>::iterator n = x->second.begin(); n != x->second.end(); n++)
- {
- (*n)->WriteServ("601 %s %s %s %s %lu :went offline", (*n)->nick ,user->nick, user->ident, user->dhost, ServerInstance->Time());
- watchlist* wl;
- if ((*n)->GetExt("watchlist", wl))
- /* We were on somebody's notify list, set ourselves offline */
- (*wl)[user->nick] = "";
- }
- }
-
- /* Now im quitting, if i have a notify list, im no longer watching anyone */
- watchlist* wl;
- if (user->GetExt("watchlist", wl))
- {
- /* Iterate every user on my watch list, and take me out of the whos_watching_me map for each one we're watching */
- for (watchlist::iterator i = wl->begin(); i != wl->end(); i++)
- {
- watchentries::iterator x = whos_watching_me.find(i->first);
- if (x != whos_watching_me.end())
- {
- /* People are watching this user, am i one of them? */
- std::deque<userrec*>::iterator n = std::find(x->second.begin(), x->second.end(), user);
- if (n != x->second.end())
- /* I'm no longer watching you... */
- x->second.erase(n);
-
- if (!x->second.size())
- whos_watching_me.erase(user->nick);
- }
- }
- }
+ SendAlert(user, nick, RPL_LOGOFF, "went offline", user->age);
}
- virtual void OnPostConnect(userrec* user)
+ public:
+ ModuleWatch()
+ : Away::EventListener(this)
+ , manager(this, "watch")
+ , cmd(this, manager)
{
- ServerInstance->Log(DEBUG,"*** WATCH: On global connect: user %s",user->nick);
- watchentries::iterator x = whos_watching_me.find(user->nick);
- if (x != whos_watching_me.end())
- {
- for (std::deque<userrec*>::iterator n = x->second.begin(); n != x->second.end(); n++)
- {
- (*n)->WriteServ("600 %s %s %s %s %lu :arrived online", (*n)->nick, user->nick, user->ident, user->dhost, user->age);
- watchlist* wl;
- if ((*n)->GetExt("watchlist", wl))
- /* We were on somebody's notify list, set ourselves online */
- (*wl)[user->nick] = std::string(user->ident).append(" ").append(user->dhost).append(" ").append(ConvToStr(user->age));
- }
- }
}
- virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
- ServerInstance->Log(DEBUG,"*** WATCH: On global nickchange: old nick: %s new nick: %s",oldnick.c_str(),user->nick);
-
- watchentries::iterator new_online = whos_watching_me.find(user->nick);
- watchentries::iterator new_offline = whos_watching_me.find(assign(oldnick));
-
- if (new_online != whos_watching_me.end())
- {
- for (std::deque<userrec*>::iterator n = new_online->second.begin(); n != new_online->second.end(); n++)
- {
- watchlist* wl;
- if ((*n)->GetExt("watchlist", wl))
- {
- (*wl)[user->nick] = std::string(user->ident).append(" ").append(user->dhost).append(" ").append(ConvToStr(user->age));
- (*n)->WriteServ("600 %s %s %s %s %lu :arrived online", (*n)->nick, (*wl)[user->nick].c_str());
- }
- }
- }
-
- if (new_offline != whos_watching_me.end())
- {
- for (std::deque<userrec*>::iterator n = new_offline->second.begin(); n != new_offline->second.end(); n++)
- {
- watchlist* wl;
- if ((*n)->GetExt("watchlist", wl))
- {
- (*n)->WriteServ("601 %s %s %s :went offline", (*n)->nick, (*wl)[user->nick].c_str());
- (*wl)[user->nick] = "";
- }
- }
- }
- }
+ ConfigTag* tag = ServerInstance->Config->ConfValue("watch");
+ cmd.maxwatch = tag->getUInt("maxwatch", 30, 1);
+ }
- virtual void On005Numeric(std::string &output)
+ void OnPostConnect(User* user) CXX11_OVERRIDE
{
- // we don't really have a limit...
- output = output + " WATCH=32";
+ Online(user);
}
-
- virtual ~Modulewatch()
+
+ 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);
}
-
- virtual Version GetVersion()
+
+ void OnUserQuit(User* user, const std::string& message, const std::string& oper_message) CXX11_OVERRIDE
{
- return Version(1,1,0,1,VF_VENDOR,API_VERSION);
+ LocalUser* localuser = IS_LOCAL(user);
+ if (localuser)
+ manager.UnwatchAll(localuser);
+ Offline(user, user->nick);
}
-};
+ void OnUserAway(User* user) CXX11_OVERRIDE
+ {
+ SendAlert(user, user->nick, RPL_GONEAWAY, user->awaymsg.c_str(), user->awaytime);
+ }
-class ModulewatchFactory : public ModuleFactory
-{
- public:
- ModulewatchFactory()
+ void OnUserBack(User* user) CXX11_OVERRIDE
{
+ SendAlert(user, user->nick, RPL_NOTAWAY, "is no longer away", ServerInstance->Time());
}
-
- ~ModulewatchFactory()
+
+ void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
+ tokens["WATCH"] = ConvToStr(cmd.maxwatch);
}
-
- virtual Module * CreateModule(InspIRCd* Me)
+
+ Version GetVersion() CXX11_OVERRIDE
{
- return new Modulewatch(Me);
+ return Version("Adds the /WATCH command which allows users to find out when their friends are connected to the server.", VF_VENDOR);
}
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModulewatchFactory;
-}
-
+MODULE_INIT(ModuleWatch)