mcabber/src/hooks.c
author mikael
Mon, 02 May 2005 12:07:46 +0000
changeset 160 44c6410b4845
parent 146 50f23c38743a
child 178 cfefae4b6de9
permissions -rw-r--r--
[/trunk] Changeset 172 by mikael * External command for events. * Add a config file option "events_command". * TODO update.
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/*
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 * hooks.c     -- Hooks layer
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 * 
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 * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net>
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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 (at
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 * 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, but
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 * WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * 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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#include <sys/types.h>
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#include <unistd.h>
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#include <screen.h>
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#include "hooks.h"
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#include "roster.h"
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#include "histolog.h"
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#include "utf8.h"
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static char *extcommand;
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inline void hk_message_in(const char *jid, time_t timestamp, const char *msg)
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{
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  char *buffer = utf8_decode(msg);
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  int new_guy = FALSE;
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  // If this user isn't in the roster, we add it
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  if (!roster_exists(jid, jidsearch, ROSTER_TYPE_USER|ROSTER_TYPE_AGENT)) {
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    roster_add_user(jid, NULL, NULL, ROSTER_TYPE_USER);
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    new_guy = TRUE;
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  }
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  scr_WriteIncomingMessage(jid, buffer);
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  hlog_write_message(jid, timestamp, FALSE, buffer);
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  hk_ext_cmd(jid, 'M', 'R', NULL);
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  free(buffer);
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  // We need to rebuild the list if the sender is unknown or
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  // if the sender is offline/invisible and hide_offline_buddies is set
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  if (new_guy ||
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     (roster_getstatus(jid) == offline && buddylist_get_hide_offline_buddies()))
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  {
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    buddylist_build();
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    update_roster = TRUE;
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  }
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}
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inline void hk_message_out(const char *jid, time_t timestamp, const char *msg)
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{
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  scr_WriteOutgoingMessage(jid, msg);
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  hlog_write_message(jid, timestamp, TRUE, msg);
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}
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inline void hk_statuschange(const char *jid, time_t timestamp, 
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        enum imstatus status)
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{
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  scr_LogPrint("Buddy status has changed: [%c>%c] <%s>",
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          imstatus2char[roster_getstatus(jid)], imstatus2char[status], jid);
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  roster_setstatus(jid, status);
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  buddylist_build();
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  scr_DrawRoster();
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  hlog_write_status(jid, 0, status);
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}
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inline void hk_mystatuschange(time_t timestamp,
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        enum imstatus old_status, enum imstatus new_status)
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{
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  if (old_status == new_status)
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    return;
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  scr_LogPrint("Your status has changed:  [%c>%c]",
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          imstatus2char[old_status], imstatus2char[new_status]);
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  //hlog_write_status(NULL, 0, status);
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}
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/* External commands */
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//  hk_ext_cmd_init()
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// Initialize external command variable.
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// Can be called with parameter NULL to reset and free memory.
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void hk_ext_cmd_init(char *command)
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{
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  if (extcommand) {
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    g_free(extcommand);
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    extcommand = NULL;
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  }
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  if (command)
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    extcommand = g_strdup(command);
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}
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//  hk_ext_cmd()
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// Launch an external command (process) for the given event.
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// For now, data should be NULL.
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void hk_ext_cmd(const char *jid, guchar type, guchar info, const char *data)
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{
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  pid_t pid;
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  if (!extcommand) return;
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  // For now we'll only handle incoming messages
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  if (type != 'M') return;
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  if (info != 'R') return;
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  if ((pid=fork()) == -1) {
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    scr_LogPrint("Fork error, cannot launch external command.");
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    return;
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  }
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  // I don't remember what I should do with the parent process...
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  if (pid == 0) { // child
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    if (execl(extcommand, extcommand, "MSG", "IN", jid, NULL) == -1) {
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      // ut_WriteLog("Cannot execute external command.\n");
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      exit(1);
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    }
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  }
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}
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