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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* m_watch.c: Maintains notify list |
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* |
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* Copyright (C) 1997 Jukka Santala (Donwulff) |
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* Copyright (C) 2005 by the Hybrid Development Team. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
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* $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "client.h" |
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#include "irc_string.h" |
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#include "ircd.h" |
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#include "numeric.h" |
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#include "conf.h" |
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#include "send.h" |
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#include "parse.h" |
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#include "modules.h" |
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#include "s_user.h" |
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#include "watch.h" |
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|
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|
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/* |
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* RPL_NOWON - Online at the moment (Succesfully added to WATCH-list) |
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* RPL_NOWOFF - Offline at the moment (Succesfully added to WATCH-list) |
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* RPL_WATCHOFF - Succesfully removed from WATCH-list. |
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* ERR_TOOMANYWATCH - Take a guess :> Too many WATCH entries. |
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*/ |
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static void |
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show_watch(struct Client *client_p, const char *name, |
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unsigned int rpl1, unsigned int rpl2) |
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{ |
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const struct Client *target_p = NULL; |
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|
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if ((target_p = find_person(client_p, name))) |
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sendto_one(client_p, form_str(rpl1), me.name, client_p->name, |
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target_p->name, target_p->username, |
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target_p->host, target_p->tsinfo); |
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else |
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sendto_one(client_p, form_str(rpl2), me.name, client_p->name, |
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name, "*", "*", 0); |
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} |
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|
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/* |
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* m_watch() |
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* |
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* parv[0] = sender prefix |
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* parv[1] = watch options |
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*/ |
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static int |
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m_watch(struct Client *client_p, struct Client *source_p, int parc, char *parv[]) |
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{ |
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dlink_node *ptr = NULL; |
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char *s = NULL; |
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char *p = NULL; |
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char *user; |
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char def[2] = "l"; |
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unsigned int list_requested = 0; |
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|
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/* |
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* Default to 'l' - list who's currently online |
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*/ |
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if (parc < 2) |
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parv[1] = def; |
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|
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for (s = strtoken(&p, parv[1], ", "); s; |
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s = strtoken(&p, NULL, ", ")) |
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{ |
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if ((user = strchr(s, '!'))) |
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*user++ = '\0'; /* Not used */ |
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|
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/* |
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* Prefix of "+", they want to add a name to their WATCH |
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* list. |
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*/ |
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if (*s == '+') |
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{ |
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if (*(s + 1) != '\0') |
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{ |
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if (dlink_list_length(&source_p->localClient->watches) >= |
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ConfigFileEntry.max_watch) |
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{ |
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sendto_one(source_p, form_str(ERR_TOOMANYWATCH), me.name, |
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source_p->name, s + 1, ConfigFileEntry.max_watch); |
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continue; |
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} |
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|
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watch_add_to_hash_table(s + 1, source_p); |
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} |
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|
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show_watch(source_p, s + 1, RPL_NOWON, RPL_NOWOFF); |
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continue; |
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} |
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|
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/* |
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* Prefix of "-", coward wants to remove somebody from their |
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* WATCH list. So do it. :-) |
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*/ |
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if (*s == '-') |
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{ |
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watch_del_from_hash_table(s + 1, source_p); |
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show_watch(source_p, s + 1, RPL_WATCHOFF, RPL_WATCHOFF); |
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continue; |
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} |
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|
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/* |
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* Fancy "C" or "c", they want to nuke their WATCH list and start |
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* over, so be it. |
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*/ |
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if (*s == 'C' || *s == 'c') |
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{ |
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watch_del_watch_list(source_p); |
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continue; |
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} |
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|
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/* |
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* Now comes the fun stuff, "S" or "s" returns a status report of |
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* their WATCH list. I imagine this could be CPU intensive if |
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* it's done alot, perhaps an auto-lag on this? |
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*/ |
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if (*s == 'S' || *s == 's') |
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{ |
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char buf[IRCD_BUFSIZE] = { '\0' }; |
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const struct Watch *anptr = NULL; |
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unsigned int count = 0; |
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|
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if (list_requested & 0x1) |
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continue; |
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|
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list_requested |= 0x1; |
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|
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/* |
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* Send a list of how many users they have on their WATCH list |
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* and how many WATCH lists they are on. |
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*/ |
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if ((anptr = watch_find_hash(source_p->name))) |
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count = dlink_list_length(&anptr->watched_by); |
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|
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sendto_one(source_p, form_str(RPL_WATCHSTAT), |
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me.name, source_p->name, |
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dlink_list_length(&source_p->localClient->watches), count); |
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|
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/* |
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* Send a list of everybody in their WATCH list. Be careful |
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* not to buffer overflow. |
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*/ |
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if ((ptr = source_p->localClient->watches.head) == NULL) |
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{ |
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sendto_one(source_p, form_str(RPL_ENDOFWATCHLIST), |
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me.name, source_p->name, *s); |
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continue; |
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} |
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|
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anptr = ptr->data; |
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strlcpy(buf, anptr->nick, sizeof(buf)); |
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|
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count = strlen(source_p->name) + strlen(me.name) + 10 + |
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strlen(buf); |
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|
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while ((ptr = ptr->next)) |
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{ |
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anptr = ptr->data; |
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|
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if (count + strlen(anptr->nick) + 1 > IRCD_BUFSIZE - 2) |
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{ |
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sendto_one(source_p, form_str(RPL_WATCHLIST), |
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me.name, source_p->name, buf); |
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buf[0] = '\0'; |
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count = strlen(source_p->name) + strlen(me.name) + 10; |
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} |
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|
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strcat(buf, " "); |
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strcat(buf, anptr->nick); |
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count += (strlen(anptr->nick) + 1); |
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} |
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|
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sendto_one(source_p, form_str(RPL_WATCHLIST), |
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me.name, source_p->name, buf); |
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sendto_one(source_p, form_str(RPL_ENDOFWATCHLIST), |
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me.name, source_p->name, *s); |
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continue; |
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} |
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|
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/* |
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* Well that was fun, NOT. Now they want a list of everybody in |
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* their WATCH list AND if they are online or offline? Sheesh, |
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* greedy aren't we? |
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*/ |
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if (*s == 'L' || *s == 'l') |
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{ |
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const struct Client *target_p = NULL; |
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|
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if (list_requested & 0x2) |
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continue; |
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|
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list_requested |= 0x2; |
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|
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DLINK_FOREACH(ptr, source_p->localClient->watches.head) |
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{ |
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const struct Watch *anptr = ptr->data; |
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|
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if ((target_p = find_person(source_p, anptr->nick))) |
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sendto_one(source_p, form_str(RPL_NOWON), me.name, source_p->name, |
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target_p->name, target_p->username, |
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target_p->host, target_p->tsinfo); |
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/* |
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* But actually, only show them offline if it's a capital |
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* 'L' (full list wanted). |
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*/ |
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else if (*s == 'L') |
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sendto_one(source_p, form_str(RPL_NOWOFF), me.name, |
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source_p->name, anptr->nick, |
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"*", "*", anptr->lasttime); |
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} |
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|
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sendto_one(source_p, form_str(RPL_ENDOFWATCHLIST), |
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me.name, source_p->name, *s); |
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continue; |
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} |
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|
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/* Hmm.. unknown prefix character.. Ignore it. :-) */ |
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} |
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|
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return 0; |
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} |
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|
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static struct Message watch_msgtab = |
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{ |
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"WATCH", 0, 0, 0, 1, MFLG_SLOW, 0, |
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{ m_unregistered, m_watch, m_ignore, m_ignore, m_watch, m_ignore } |
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}; |
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|
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static void |
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module_init(void) |
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{ |
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mod_add_cmd(&watch_msgtab); |
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add_isupport("WATCH", NULL, ConfigFileEntry.max_watch); |
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} |
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|
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static void |
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module_exit(void) |
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{ |
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mod_del_cmd(&watch_msgtab); |
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delete_isupport("WATCH"); |
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} |
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|
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struct module module_entry = |
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{ |
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.node = { NULL, NULL, NULL }, |
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.name = NULL, |
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.version = "$Revision$", |
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.handle = NULL, |
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.modinit = module_init, |
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.modexit = module_exit, |
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.flags = 0 |
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}; |