extensions/umode_hide_idle_time.c

   1 /*
   2  *  Copyright (C) 2021 David Schultz <me@zpld.me>
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  17  *  USA
  18  */
  19
  20 #include "stdinc.h"
  21 #include "modules.h"
  22 #include "client.h"
  23 #include "hook.h"
  24 #include "ircd.h"
  25 #include "logger.h"
  26 #include "send.h"
  27 #include "s_conf.h"
  28 #include "s_user.h"
  29 #include "s_newconf.h"
  30
  31 static const char hide_desc[] = "Provides user mode +I to hide a user's idle time";
  32
  33 static void h_huc_doing_idle_time_hook(void *);
  34
  35 mapi_hfn_list_av1 huc_hfnlist[] = {
  36         { "doing_whois_show_idle", h_huc_doing_idle_time_hook },
  37         { "doing_trace_show_idle", h_huc_doing_idle_time_hook },
  38         { "doing_stats_show_idle", h_huc_doing_idle_time_hook },
  39         { "doing_who_show_idle", h_huc_doing_idle_time_hook },
  40         { NULL, NULL }
  41 };
  42
  43 static void
  44 h_huc_doing_idle_time_hook(void *data_)
  45 {
  46         hook_data_client_approval *data = data_;
  47
  48         if (data->approved == 0)
  49                 return;
  50
  51         if ((data->client->umodes | data->target->umodes) & user_modes['I'])
  52         {
  53                 if (HasPrivilege(data->client, "auspex:usertimes"))
  54                         data->approved = WHOIS_IDLE_AUSPEX;
  55                 else if (data->client != data->target)
  56                         data->approved = WHOIS_IDLE_HIDE;
  57         }
  58 }
  59
  60 static int
  61 _modinit(void)
  62 {
  63         user_modes['I'] = find_umode_slot();
  64         construct_umodebuf();
  65         if (!user_modes['I'])
  66         {
  67                 ierror("umode_hide_idle_time: unable to allocate usermode slot for +I, unloading extension");
  68                 return -1;
  69         }
  70         return 0;
  71 }
  72
  73 static void
  74 _moddeinit(void)
  75 {
  76         user_modes['I'] = 0;
  77         construct_umodebuf();
  78 }
  79
  80 DECLARE_MODULE_AV2(hide_idle_time, _modinit, _moddeinit, NULL, NULL, huc_hfnlist, NULL, NULL, hide_desc);