irc_user.c

   1   /********************************************************************\
   2   * BitlBee -- An IRC to other IM-networks gateway                     *
   3   *                                                                    *
   4   * Copyright 2002-2004 Wilmer van der Gaast and others                *
   5   \********************************************************************/
   6
   7 /* Stuff to handle, save and search IRC buddies                         */
   8
   9 /*
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation; either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License with
  21   the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
  22   if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  23   Suite 330, Boston, MA  02111-1307  USA
  24 */
  25
  26 #include "bitlbee.h"
  27 #include "ipc.h"
  28
  29 irc_user_t *irc_user_new( irc_t *irc, const char *nick )
  30 {
  31         irc_user_t *iu = g_new0( irc_user_t, 1 );
  32
  33         iu->irc = irc;
  34         iu->nick = g_strdup( nick );
  35         iu->user = iu->host = iu->fullname = iu->nick;
  36
  37         iu->key = g_strdup( nick );
  38         nick_lc( iu->key );
  39         /* Using the hash table for speed and irc->users for easy iteration
  40            through the list (since the GLib API doesn't have anything sane
  41            for that.) */
  42         g_hash_table_insert( irc->nick_user_hash, iu->key, iu );
  43         irc->users = g_slist_insert_sorted( irc->users, iu, irc_user_cmp );
  44
  45         return iu;
  46 }
  47
  48 int irc_user_free( irc_t *irc, irc_user_t *iu )
  49 {
  50         static struct im_connection *last_ic;
  51         static char *msg;
  52
  53         if( !iu )
  54                 return 0;
  55
  56         if( iu->bu &&
  57             ( iu->bu->ic->flags & OPT_LOGGING_OUT ) &&
  58             iu->bu->ic != last_ic )
  59         {
  60                 char host_prefix[] = "bitlbee.";
  61                 char *s;
  62
  63                 /* Irssi recognises netsplits by quitmsgs with two
  64                    hostnames, where a hostname is a "word" with one
  65                    of more dots. Mangle no-dot hostnames a bit. */
  66                 if( strchr( irc->root->host, '.' ) )
  67                         *host_prefix = '\0';
  68
  69                 last_ic = iu->bu->ic;
  70                 g_free( msg );
  71                 if( !set_getbool( &irc->b->set, "simulate_netsplit" ) )
  72                         msg = g_strdup( "Account off-line" );
  73                 else if( ( s = strchr( iu->bu->ic->acc->user, '@' ) ) )
  74                         msg = g_strdup_printf( "%s%s %s", host_prefix,
  75                                 irc->root->host, s + 1 );
  76                 else
  77                         msg = g_strdup_printf( "%s%s %s.%s",
  78                                 host_prefix, irc->root->host,
  79                                 iu->bu->ic->acc->prpl->name, irc->root->host );
  80         }
  81         else if( !iu->bu || !( iu->bu->ic->flags & OPT_LOGGING_OUT ) )
  82         {
  83                 g_free( msg );
  84                 msg = g_strdup( "Removed" );
  85                 last_ic = NULL;
  86         }
  87         irc_user_quit( iu, msg );
  88
  89         irc->users = g_slist_remove( irc->users, iu );
  90         g_hash_table_remove( irc->nick_user_hash, iu->key );
  91
  92         g_free( iu->nick );
  93         if( iu->nick != iu->user ) g_free( iu->user );
  94         if( iu->nick != iu->host ) g_free( iu->host );
  95         if( iu->nick != iu->fullname ) g_free( iu->fullname );
  96         g_free( iu->pastebuf );
  97         if( iu->pastebuf_timer ) b_event_remove( iu->pastebuf_timer );
  98         g_free( iu->key );
  99         g_free( iu );
 100
 101         return 1;
 102 }
 103
 104 irc_user_t *irc_user_by_name( irc_t *irc, const char *nick )
 105 {
 106         char key[strlen(nick)+1];
 107
 108         strcpy( key, nick );
 109         if( nick_lc( key ) )
 110                 return g_hash_table_lookup( irc->nick_user_hash, key );
 111         else
 112                 return NULL;
 113 }
 114
 115 int irc_user_set_nick( irc_user_t *iu, const char *new )
 116 {
 117         irc_t *irc = iu->irc;
 118         irc_user_t *new_iu;
 119         char key[strlen(new)+1];
 120         GSList *cl;
 121
 122         strcpy( key, new );
 123         if( iu == NULL || !nick_lc( key ) ||
 124             ( ( new_iu = irc_user_by_name( irc, new ) ) && new_iu != iu ) )
 125                 return 0;
 126
 127         for( cl = irc->channels; cl; cl = cl->next )
 128         {
 129                 irc_channel_t *ic = cl->data;
 130
 131                 /* Send a NICK update if we're renaming our user, or someone
 132                    who's in the same channel like our user. */
 133                 if( iu == irc->user ||
 134                     ( ( ic->flags & IRC_CHANNEL_JOINED ) &&
 135                       irc_channel_has_user( ic, iu ) ) )
 136                 {
 137                         irc_send_nick( iu, new );
 138                         break;
 139                 }
 140         }
 141
 142         irc->users = g_slist_remove( irc->users, iu );
 143         g_hash_table_remove( irc->nick_user_hash, iu->key );
 144
 145         if( iu->nick == iu->user ) iu->user = NULL;
 146         if( iu->nick == iu->host ) iu->host = NULL;
 147         if( iu->nick == iu->fullname ) iu->fullname = NULL;
 148         g_free( iu->nick );
 149         iu->nick = g_strdup( new );
 150         if( iu->user == NULL ) iu->user = g_strdup( iu->nick );
 151         if( iu->host == NULL ) iu->host = g_strdup( iu->nick );
 152         if( iu->fullname == NULL ) iu->fullname = g_strdup( iu->nick );
 153
 154         g_free( iu->key );
 155         iu->key = g_strdup( key );
 156         g_hash_table_insert( irc->nick_user_hash, iu->key, iu );
 157         irc->users = g_slist_insert_sorted( irc->users, iu, irc_user_cmp );
 158
 159         if( iu == irc->user )
 160                 ipc_to_master_str( "NICK :%s\r\n", new );
 161
 162         return 1;
 163 }
 164
 165 gint irc_user_cmp( gconstpointer a_, gconstpointer b_ )
 166 {
 167         const irc_user_t *a = a_, *b = b_;
 168
 169         return strcmp( a->key, b->key );
 170 }
 171
 172 const char *irc_user_get_away( irc_user_t *iu )
 173 {
 174         irc_t *irc = iu->irc;
 175         bee_user_t *bu = iu->bu;
 176
 177         if( iu == irc->user )
 178                 return set_getstr( &irc->b->set, "away" );
 179         else if( bu )
 180         {
 181                 if( !bu->flags & BEE_USER_ONLINE )
 182                         return "Offline";
 183                 else if( bu->flags & BEE_USER_AWAY )
 184                 {
 185                         if( bu->status_msg )
 186                         {
 187                                 static char ret[MAX_STRING];
 188                                 g_snprintf( ret, MAX_STRING - 1, "%s (%s)",
 189                                             bu->status ? : "Away", bu->status_msg );
 190                                 return ret;
 191                         }
 192                         else
 193                                 return bu->status ? : "Away";
 194                 }
 195         }
 196
 197         return NULL;
 198 }
 199
 200 void irc_user_quit( irc_user_t *iu, const char *msg )
 201 {
 202         GSList *l;
 203         gboolean send_quit = FALSE;
 204
 205         if( !iu )
 206                 return;
 207
 208         for( l = iu->irc->channels; l; l = l->next )
 209         {
 210                 irc_channel_t *ic = l->data;
 211                 send_quit |= irc_channel_del_user( ic, iu, IRC_CDU_SILENT, NULL ) &&
 212                              ( ic->flags & IRC_CHANNEL_JOINED );
 213         }
 214
 215         if( send_quit )
 216                 irc_send_quit( iu, msg );
 217 }
 218
 219 /* User-type dependent functions, for root/NickServ: */
 220 static gboolean root_privmsg( irc_user_t *iu, const char *msg )
 221 {
 222         char cmd[strlen(msg)+1];
 223
 224         strcpy( cmd, msg );
 225         root_command_string( iu->irc, cmd );
 226
 227         return TRUE;
 228 }
 229
 230 static gboolean root_ctcp( irc_user_t *iu, char * const *ctcp )
 231 {
 232         if( g_strcasecmp( ctcp[0], "VERSION" ) == 0 )
 233         {
 234                 irc_send_msg_f( iu, "NOTICE", iu->irc->user->nick, "\001%s %s\001",
 235                                 ctcp[0], "BitlBee " BITLBEE_VERSION " " ARCH "/" CPU );
 236         }
 237         else if( g_strcasecmp( ctcp[0], "PING" ) == 0 )
 238         {
 239                 irc_send_msg_f( iu, "NOTICE", iu->irc->user->nick, "\001%s %s\001",
 240                                 ctcp[0], ctcp[1] ? : "" );
 241         }
 242
 243         return TRUE;
 244 }
 245
 246 const struct irc_user_funcs irc_user_root_funcs = {
 247         root_privmsg,
 248         root_ctcp,
 249 };
 250
 251 /* Echo to yourself: */
 252 static gboolean self_privmsg( irc_user_t *iu, const char *msg )
 253 {
 254         irc_send_msg( iu, "PRIVMSG", iu->nick, msg, NULL );
 255
 256         return TRUE;
 257 }
 258
 259 const struct irc_user_funcs irc_user_self_funcs = {
 260         self_privmsg,
 261 };