apps/irssi/src/silc/core/silc-servers.c

   1 /*
   2   silc-server.c : irssi
   3
   4   Copyright (C) 2000 - 2005 Timo Sirainen
   5                             Pekka Riikonen <priikone@silcnet.org>
   6
   7   This program is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU General Public License as published by
   9   the Free Software Foundation; either version 2 of the License, or
  10   (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22 #include "module.h"
  23
  24 #include "net-nonblock.h"
  25 #include "net-sendbuffer.h"
  26 #include "signals.h"
  27 #include "servers.h"
  28 #include "commands.h"
  29 #include "levels.h"
  30 #include "modules.h"
  31 #include "rawlog.h"
  32 #include "misc.h"
  33 #include "settings.h"
  34
  35 #include "servers-setup.h"
  36
  37 #include "client_ops.h"
  38 #include "silc-servers.h"
  39 #include "silc-channels.h"
  40 #include "silc-queries.h"
  41 #include "silc-nicklist.h"
  42 #include "silc-cmdqueue.h"
  43 #include "window-item-def.h"
  44
  45 #include "fe-common/core/printtext.h"
  46 #include "fe-common/core/fe-channels.h"
  47 #include "fe-common/core/keyboard.h"
  48 #include "fe-common/silc/module-formats.h"
  49
  50 #include "silc-commands.h"
  51
  52 void silc_servers_reconnect_init(void);
  53 void silc_servers_reconnect_deinit(void);
  54
  55 int silc_send_channel(SILC_SERVER_REC *server,
  56                       char *channel, char *msg,
  57                       SilcMessageFlags flags)
  58 {
  59   SILC_CHANNEL_REC *rec;
  60
  61   rec = silc_channel_find(server, channel);
  62   if (rec == NULL || rec->entry == NULL) {
  63     cmd_return_error_value(CMDERR_NOT_JOINED, FALSE);
  64   }
  65
  66   silc_client_send_channel_message(silc_client, server->conn, rec->entry,
  67                                    NULL, flags, msg, strlen(msg), TRUE);
  68   return TRUE;
  69 }
  70
  71 typedef struct {
  72   char *nick;
  73   char *msg;
  74   int len;
  75   SilcMessageFlags flags;
  76   SILC_SERVER_REC *server;
  77 } PRIVMSG_REC;
  78
  79 /* Callback function that sends the private message if the client was
  80    resolved from the server. */
  81
  82 static void silc_send_msg_clients(SilcClient client,
  83                                   SilcClientConnection conn,
  84                                   SilcClientEntry *clients,
  85                                   SilcUInt32 clients_count,
  86                                   void *context)
  87 {
  88   PRIVMSG_REC *rec = context;
  89   SILC_SERVER_REC *server = rec->server;
  90   SilcClientEntry target;
  91   char *nickname = NULL;
  92
  93   if (!clients_count) {
  94     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  95               "%s: There is no such client", rec->nick);
  96   } else {
  97     if (clients_count > 1) {
  98       silc_parse_userfqdn(rec->nick, &nickname, NULL);
  99
 100       /* Find the correct one. The rec->nick might be a formatted nick
 101          so this will find the correct one. */
 102       clients = silc_client_get_clients_local(silc_client, server->conn,
 103                                               nickname, rec->nick,
 104                                               &clients_count);
 105       if (!clients) {
 106         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 107                   "%s: There is no such client", rec->nick);
 108         silc_free(nickname);
 109         goto out;
 110       }
 111       silc_free(nickname);
 112     }
 113
 114     target = clients[0];
 115
 116     /* Still check for exact math for nickname, this compares the
 117        real (formatted) nickname and the nick (maybe formatted) that
 118        use gave. This is to assure that `nick' does not match
 119        `nick@host'. */
 120     if (!silc_utf8_strcasecmp(rec->nick, clients[0]->nickname)) {
 121       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 122                 "%s: There is no such client", rec->nick);
 123       goto out;
 124     }
 125
 126     /* Send the private message */
 127     silc_client_send_private_message(client, conn, target,
 128                                      rec->flags,
 129                                      rec->msg, rec->len,
 130                                      TRUE);
 131   }
 132
 133  out:
 134   g_free(rec->nick);
 135   g_free(rec->msg);
 136   g_free(rec);
 137 }
 138
 139 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 140                   int msg_len, SilcMessageFlags flags)
 141 {
 142   PRIVMSG_REC *rec;
 143   SilcClientEntry *clients;
 144   SilcUInt32 clients_count;
 145   char *nickname = NULL;
 146
 147   if (!silc_parse_userfqdn(nick, &nickname, NULL)) {
 148     printformat_module("fe-common/silc", server, NULL,
 149                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 150     return FALSE;
 151   }
 152
 153   /* Find client entry */
 154   clients = silc_client_get_clients_local(silc_client, server->conn,
 155                                           nickname, nick, &clients_count);
 156   if (!clients) {
 157     rec = g_new0(PRIVMSG_REC, 1);
 158     rec->nick = g_strdup(nick);
 159     rec->msg = g_strdup(msg);
 160     rec->server = server;
 161     rec->flags = flags;
 162     rec->len = msg_len;
 163
 164     /* Could not find client with that nick, resolve it from server. */
 165     silc_client_get_clients(silc_client, server->conn,
 166                             nickname, NULL, silc_send_msg_clients, rec);
 167     silc_free(nickname);
 168     return TRUE;
 169   }
 170
 171   /* Send the private message directly */
 172   silc_free(nickname);
 173   silc_client_send_private_message(silc_client, server->conn,
 174                                    clients[0], flags,
 175                                    msg, msg_len, TRUE);
 176   return TRUE;
 177 }
 178
 179 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 180                     const char *data, int sign)
 181 {
 182   char *unescaped_data;
 183   SilcUInt32 unescaped_data_len;
 184   int target_type;
 185
 186   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 187     return;
 188
 189   if (channel) {
 190     target_type = SEND_TARGET_CHANNEL;
 191   } else {
 192     target_type = server_ischannel(SERVER(server), to) ?
 193       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 194   }
 195
 196   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 197
 198   if (target_type == SEND_TARGET_CHANNEL) {
 199     SILC_CHANNEL_REC *rec;
 200
 201     rec = silc_channel_find(server, to);
 202     if (rec == NULL || rec->entry == NULL) {
 203       cmd_return_error(CMDERR_NOT_JOINED);
 204     }
 205
 206     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 207                                      NULL, SILC_MESSAGE_FLAG_DATA |
 208                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 209                                      unescaped_data, unescaped_data_len, TRUE);
 210   } else {
 211     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 212                   SILC_MESSAGE_FLAG_DATA |
 213                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 214
 215   }
 216
 217   signal_stop();
 218
 219   silc_free(unescaped_data);
 220 }
 221
 222 static int isnickflag_func(char flag)
 223 {
 224   return flag == '@' || flag == '+';
 225 }
 226
 227 static int ischannel_func(SERVER_REC *server, const char *data)
 228 {
 229   return FALSE;
 230 }
 231
 232 const char *get_nick_flags(void)
 233 {
 234   return "@\0\0";
 235 }
 236
 237 static void send_message(SILC_SERVER_REC *server, char *target,
 238                          char *msg, int target_type)
 239 {
 240   char *message = NULL, *t = NULL;
 241   int len;
 242
 243   g_return_if_fail(server != NULL);
 244   g_return_if_fail(target != NULL);
 245   g_return_if_fail(msg != NULL);
 246
 247   if (!silc_term_utf8()) {
 248     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 249     message = silc_calloc(len + 1, sizeof(*message));
 250     g_return_if_fail(message != NULL);
 251     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 252   }
 253
 254   if (target_type == SEND_TARGET_CHANNEL)
 255     silc_send_channel(server, target, message ? message : msg,
 256                       SILC_MESSAGE_FLAG_UTF8);
 257   else {
 258     if (!silc_term_utf8()) {
 259       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 260       t = silc_calloc(len + 1, sizeof(*t));
 261       g_return_if_fail(t != NULL);
 262       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 263     }
 264
 265     silc_send_msg(server, t ? t : target, message ? message : msg,
 266                   message ? strlen(message) : strlen(msg),
 267                   SILC_MESSAGE_FLAG_UTF8);
 268   }
 269
 270   silc_free(message);
 271   silc_free(t);
 272 }
 273
 274 void silc_send_heartbeat(SilcSocketConnection sock,
 275                          void *hb_context)
 276 {
 277   SILC_SERVER_REC *server = SILC_SERVER(hb_context);
 278
 279   if (server == NULL)
 280     return;
 281
 282   silc_client_send_packet(silc_client, server->conn, SILC_PACKET_HEARTBEAT,
 283                           NULL, 0);
 284 }
 285
 286 static void sig_connected(SILC_SERVER_REC *server)
 287 {
 288   SilcClientConnection conn;
 289   SilcClientConnectionParams params;
 290   char *file;
 291   int fd;
 292
 293   if (!IS_SILC_SERVER(server))
 294     return;
 295
 296   /* Try to read detached session data and use it if found. */
 297   memset(&params, 0, sizeof(params));
 298   file = silc_get_session_filename(server);
 299   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 300   if (params.detach_data)
 301     params.detach_data[params.detach_data_len] = 0;
 302
 303   /* Add connection to the client library */
 304   conn = silc_client_add_connection(silc_client, &params,
 305                                     server->connrec->address,
 306                                     server->connrec->port,
 307                                     server);
 308   server->conn = conn;
 309
 310   if (params.detach_data)
 311     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 312                         SILCTXT_REATTACH, server->tag);
 313
 314   silc_free(params.detach_data);
 315
 316   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 317
 318   /* Start key exchange with the server */
 319   silc_client_start_key_exchange(silc_client, conn, fd);
 320
 321   /* Put default attributes */
 322   silc_query_attributes_default(silc_client, conn);
 323
 324   /* initialize heartbeat sending */
 325   if (settings_get_int("heartbeat") > 0)
 326     silc_socket_set_heartbeat(conn->sock, settings_get_int("heartbeat"),
 327                                 (void *)server,
 328                                 (SilcSocketConnectionHBCb)silc_send_heartbeat,
 329                                 silc_client->schedule);
 330
 331   server->ftp_sessions = silc_dlist_init();
 332   server->isnickflag = isnickflag_func;
 333   server->ischannel = ischannel_func;
 334   server->get_nick_flags = get_nick_flags;
 335   server->send_message = (void *) send_message;
 336 }
 337
 338 static void sig_disconnected(SILC_SERVER_REC *server)
 339 {
 340   if (!IS_SILC_SERVER(server))
 341     return;
 342
 343   silc_dlist_uninit(server->ftp_sessions);
 344
 345   if (server->conn && server->conn->sock != NULL) {
 346     silc_client_close_connection(silc_client, server->conn);
 347
 348     /* SILC closes the handle */
 349     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 350     net_sendbuffer_destroy(server->handle, FALSE);
 351     server->handle = NULL;
 352   }
 353 }
 354
 355 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 356 {
 357   SILC_SERVER_REC *server;
 358
 359   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 360   if (conn->address == NULL || *conn->address == '\0')
 361     return NULL;
 362   if (conn->nick == NULL || *conn->nick == '\0') {
 363     silc_say_error("Cannot connect: nickname is not set");
 364     return NULL;
 365   }
 366
 367   server = g_new0(SILC_SERVER_REC, 1);
 368   server->chat_type = SILC_PROTOCOL;
 369   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 370   server_connect_ref(conn);
 371
 372   if (server->connrec->port <= 0)
 373     server->connrec->port = 706;
 374
 375   server_connect_init((SERVER_REC *)server);
 376   return (SERVER_REC *)server;
 377 }
 378
 379 void silc_server_connect(SERVER_REC *server)
 380 {
 381   if (!server_start_connect(server)) {
 382     server_connect_unref(server->connrec);
 383     g_free(server);
 384     return;
 385   }
 386 }
 387
 388 /* Return a string of all channels in server in server->channels_join()
 389    format */
 390
 391 char *silc_server_get_channels(SILC_SERVER_REC *server)
 392 {
 393   GSList *tmp;
 394   GString *chans;
 395   char *ret;
 396
 397   g_return_val_if_fail(server != NULL, FALSE);
 398
 399   chans = g_string_new(NULL);
 400   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 401     CHANNEL_REC *channel = tmp->data;
 402
 403     g_string_sprintfa(chans, "%s,", channel->name);
 404   }
 405
 406   if (chans->len > 0)
 407     g_string_truncate(chans, chans->len-1);
 408
 409   ret = chans->str;
 410   g_string_free(chans, FALSE);
 411
 412   return ret;
 413 }
 414
 415 /* Syntaxes of all SILC commands for HELP files (the help file generation
 416    will snoop these from here). */
 417
 418 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 419 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 420 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 421 /* SYNTAX: GETKEY <nickname or server name> */
 422 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 423 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 424 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 425 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 426 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 427 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 428 /* SYNTAX: OPER <username> [-pubkey] */
 429 /* SYNTAX: SILCOPER <username> [-pubkey] */
 430 /* SYNTAX: TOPIC <channel> [<topic>] */
 431 /* SYNTAX: UMODE +|-<modes> */
 432 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 433 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 434 /* SYNTAX: CLOSE <server> [<port>] */
 435 /* SYNTAX: SHUTDOWN */
 436 /* SYNTAX: MOTD [<server>] */
 437 /* SYNTAX: LIST [<channel>] */
 438 /* SYNTAX: ME <message> */
 439 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 440 /* SYNTAX: AWAY [<message>] */
 441 /* SYNTAX: INFO [<server>] */
 442 /* SYNTAX: NICK <nickname> */
 443 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 444 /* SYNTAX: PART [<channel>] */
 445 /* SYNTAX: PING */
 446 /* SYNTAX: SCONNECT <server> [<port>] */
 447 /* SYNTAX: USERS <channel> */
 448 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 449 /* SYNTAX: FILE ACCEPT [<nickname>] */
 450 /* SYNTAX: FILE CLOSE [<nickname>] */
 451 /* SYNTAX: FILE */
 452 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 453 /* SYNTAX: DETACH */
 454 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 455 /* SYNTAX: STATS */
 456 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 457 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 458 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 459
 460 void silc_command_exec(SILC_SERVER_REC *server,
 461                        const char *command, const char *args)
 462 {
 463   char *data;
 464   g_return_if_fail(server != NULL);
 465
 466   /* Call the command */
 467   data = g_strconcat(command, " ", args, NULL);
 468   silc_queue_command_call(silc_client, server->conn, data);
 469   g_free(data);
 470 }
 471
 472 /* Generic command function to call any SILC command directly. */
 473
 474 static void command_self(const char *data, SILC_SERVER_REC *server,
 475                          WI_ITEM_REC *item)
 476 {
 477   CMD_SILC_SERVER(server);
 478
 479   if (!IS_SILC_SERVER(server) || !server->connected) {
 480     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 481     return;
 482   }
 483
 484   if (IS_SILC_CHANNEL(item)) {
 485     SILC_CHANNEL_REC *chanrec;
 486     chanrec = silc_channel_find(server, item->visible_name);
 487     if (chanrec)
 488       server->conn->current_channel = chanrec->entry;
 489   }
 490
 491   silc_command_exec(server, current_command, data);
 492   signal_stop();
 493 }
 494
 495 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 496    has CONNECT command for other purposes. */
 497
 498 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 499 {
 500   CMD_SILC_SERVER(server);
 501   if (!IS_SILC_SERVER(server) || !server->connected) {
 502     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 503     return;
 504   }
 505
 506   silc_command_exec(server, "CONNECT", data);
 507   signal_stop();
 508 }
 509
 510 /* SMSG command, to send digitally signed messages */
 511
 512 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 513                          WI_ITEM_REC *item)
 514 {
 515   GHashTable *optlist;
 516   char *target, *origtarget, *msg;
 517   void *free_arg;
 518   int free_ret, target_type;
 519
 520   g_return_if_fail(data != NULL);
 521   if (server == NULL || !server->connected)
 522     cmd_param_error(CMDERR_NOT_CONNECTED);
 523
 524   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 525                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 526                       "msg", &optlist, &target, &msg))
 527     return;
 528   if (*target == '\0' || *msg == '\0')
 529     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 530
 531   origtarget = target;
 532   free_ret = FALSE;
 533
 534   if (strcmp(target, "*") == 0) {
 535     if (item == NULL)
 536       cmd_param_error(CMDERR_NOT_JOINED);
 537
 538     target_type = IS_CHANNEL(item) ?
 539       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 540     target = (char *) window_item_get_target(item);
 541   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 542     target_type = SEND_TARGET_CHANNEL;
 543   } else {
 544     target_type = server_ischannel(SERVER(server), target) ?
 545       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 546   }
 547
 548   if (target != NULL) {
 549     char *message = NULL, *t = NULL;
 550     int len, result;
 551
 552     if (!silc_term_utf8()) {
 553       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 554       message = silc_calloc(len + 1, sizeof(*message));
 555       g_return_if_fail(message != NULL);
 556       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 557     }
 558
 559     if (target_type == SEND_TARGET_CHANNEL)
 560       result = silc_send_channel(server, target, message ? message : msg,
 561                                  SILC_MESSAGE_FLAG_UTF8 |
 562                                  SILC_MESSAGE_FLAG_SIGNED);
 563     else {
 564       if (!silc_term_utf8()) {
 565         len = silc_utf8_encoded_len(target, strlen(target),
 566                                     SILC_STRING_LOCALE);
 567         t = silc_calloc(len + 1, sizeof(*t));
 568         g_return_if_fail(t != NULL);
 569         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 570       }
 571       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 572                              message ? strlen(message) : strlen(msg),
 573                              SILC_MESSAGE_FLAG_UTF8 |
 574                              SILC_MESSAGE_FLAG_SIGNED);
 575     }
 576     silc_free(message);
 577     silc_free(t);
 578     if (!result)
 579       goto out;
 580   }
 581
 582   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 583               "message signed_own_public" : "message signed_own_private", 4,
 584               server, msg, target, origtarget);
 585 out:
 586   if (free_ret && target != NULL) g_free(target);
 587   cmd_params_free(free_arg);
 588 }
 589
 590 /* FILE command */
 591
 592 SILC_TASK_CALLBACK(silc_client_file_close_later)
 593 {
 594   FtpSession ftp = (FtpSession)context;
 595
 596   SILC_LOG_DEBUG(("Start"));
 597
 598   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 599   silc_free(ftp->filepath);
 600   silc_free(ftp);
 601 }
 602
 603 static void silc_client_file_monitor(SilcClient client,
 604                                      SilcClientConnection conn,
 605                                      SilcClientMonitorStatus status,
 606                                      SilcClientFileError error,
 607                                      SilcUInt64 offset,
 608                                      SilcUInt64 filesize,
 609                                      SilcClientEntry client_entry,
 610                                      SilcUInt32 session_id,
 611                                      const char *filepath,
 612                                      void *context)
 613 {
 614   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 615   FtpSession ftp;
 616   char fsize[32];
 617
 618   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 619     return;
 620
 621   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 622
 623   silc_dlist_start(server->ftp_sessions);
 624   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 625     if (ftp->session_id == session_id) {
 626       if (!ftp->filepath && filepath)
 627         ftp->filepath = strdup(filepath);
 628       break;
 629     }
 630   }
 631
 632   if (ftp == SILC_LIST_END)
 633     return;
 634
 635   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 636     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 637       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 638                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 639                          client_entry->nickname,
 640                          filepath ? filepath : "[N/A]");
 641     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 642       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 643                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 644                          client_entry->nickname);
 645     else
 646       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 647                          SILCTXT_FILE_ERROR, client_entry->nickname);
 648     silc_schedule_task_add(silc_client->schedule, 0,
 649                            silc_client_file_close_later, ftp,
 650                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 651     silc_dlist_del(server->ftp_sessions, ftp);
 652     if (ftp == server->current_session) {
 653       server->current_session = NULL;
 654       silc_dlist_start(server->ftp_sessions);
 655       server->current_session = silc_dlist_get(server->ftp_sessions);
 656     }
 657   }
 658
 659   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 660     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 661                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 662   }
 663
 664   /* Save some transmission data */
 665   if (offset && filesize) {
 666     unsigned long delta = time(NULL) - ftp->starttime;
 667
 668     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 669     if (delta)
 670       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 671     else
 672       ftp->kps = (double)(offset + 1023) / (double)1024;
 673     ftp->offset = offset;
 674     ftp->filesize = filesize;
 675   }
 676
 677   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 678     if (offset == 0) {
 679       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 680                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 681                          client_entry->nickname);
 682       ftp->starttime = time(NULL);
 683     }
 684     if (offset == filesize) {
 685       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 686                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 687                          client_entry->nickname, ftp->kps);
 688       silc_schedule_task_add(silc_client->schedule, 0,
 689                              silc_client_file_close_later, ftp,
 690                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 691       silc_dlist_del(server->ftp_sessions, ftp);
 692       if (ftp == server->current_session) {
 693         server->current_session = NULL;
 694         silc_dlist_start(server->ftp_sessions);
 695         server->current_session = silc_dlist_get(server->ftp_sessions);
 696       }
 697
 698     }
 699   }
 700
 701   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 702     if (offset == 0) {
 703       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 704                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 705                          client_entry->nickname);
 706       ftp->starttime = time(NULL);
 707     }
 708
 709     if (offset == filesize) {
 710       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 711                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 712                          client_entry->nickname, ftp->kps);
 713       silc_schedule_task_add(silc_client->schedule, 0,
 714                              silc_client_file_close_later, ftp,
 715                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 716       silc_dlist_del(server->ftp_sessions, ftp);
 717       if (ftp == server->current_session) {
 718         server->current_session = NULL;
 719         silc_dlist_start(server->ftp_sessions);
 720         server->current_session = silc_dlist_get(server->ftp_sessions);
 721       }
 722
 723     }
 724   }
 725 }
 726
 727 typedef struct {
 728   SILC_SERVER_REC *server;
 729   char *data;
 730   char *nick;
 731   WI_ITEM_REC *item;
 732 } *FileGetClients;
 733
 734 static void silc_client_command_file_get_clients(SilcClient client,
 735                                                  SilcClientConnection conn,
 736                                                  SilcClientEntry *clients,
 737                                                  SilcUInt32 clients_count,
 738                                                  void *context)
 739 {
 740   FileGetClients internal = (FileGetClients)context;
 741
 742   if (!clients) {
 743     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 744               internal->nick);
 745     silc_free(internal->data);
 746     silc_free(internal->nick);
 747     silc_free(internal);
 748     return;
 749   }
 750
 751   signal_emit("command file", 3, internal->data, internal->server,
 752               internal->item);
 753
 754   silc_free(internal->data);
 755   silc_free(internal->nick);
 756   silc_free(internal);
 757 }
 758
 759 static void command_file(const char *data, SILC_SERVER_REC *server,
 760                          WI_ITEM_REC *item)
 761 {
 762   SilcClientConnection conn;
 763   SilcClientEntry *entrys, client_entry;
 764   SilcClientFileError ret;
 765   SilcUInt32 entry_count;
 766   char *nickname = NULL, *tmp;
 767   unsigned char **argv;
 768   SilcUInt32 argc;
 769   SilcUInt32 *argv_lens, *argv_types;
 770   int type = 0;
 771   FtpSession ftp;
 772   char *local_ip = NULL;
 773   SilcUInt32 local_port = 0;
 774   SilcUInt32 session_id;
 775   bool do_not_bind = FALSE;
 776
 777   CMD_SILC_SERVER(server);
 778   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 779     cmd_return_error(CMDERR_NOT_CONNECTED);
 780
 781   conn = server->conn;
 782
 783   /* Now parse all arguments */
 784   tmp = g_strconcat("FILE", " ", data, NULL);
 785   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 786   g_free(tmp);
 787
 788   if (argc == 1)
 789     type = 4;
 790
 791   if (argc >= 2) {
 792     if (!strcasecmp(argv[1], "send"))
 793       type = 1;
 794     if (!strcasecmp(argv[1], "accept"))
 795       type = 2;
 796     if (!strcasecmp(argv[1], "close"))
 797       type = 3;
 798   }
 799
 800   if (type == 0)
 801     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 802
 803   switch (type) {
 804   case 1:
 805     if (argc < 4)
 806       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 807
 808     /* Parse the typed nickname. */
 809     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 810       printformat_module("fe-common/silc", server, NULL,
 811                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 812       goto out;
 813     }
 814
 815     /* Find client entry */
 816     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 817                                            argv[3], &entry_count);
 818     if (!entrys) {
 819       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 820       inter->server = server;
 821       inter->data = strdup(data);
 822       inter->nick = strdup(nickname);
 823       inter->item = item;
 824       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 825                               silc_client_command_file_get_clients, inter);
 826       goto out;
 827     }
 828     client_entry = entrys[0];
 829     silc_free(entrys);
 830
 831     if (argc >= 5) {
 832       if (!strcasecmp(argv[4], "-no-listener"))
 833         do_not_bind = TRUE;
 834       else
 835         local_ip = argv[4];
 836     }
 837     if (argc >= 6) {
 838       if (!strcasecmp(argv[5], "-no-listener"))
 839         do_not_bind = TRUE;
 840       else
 841         local_port = atoi(argv[5]);
 842     }
 843     if (argc >= 7) {
 844       if (!strcasecmp(argv[6], "-no-listener"))
 845         do_not_bind = TRUE;
 846     }
 847
 848     ret =
 849       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 850                             server, local_ip, local_port, do_not_bind,
 851                             client_entry, argv[2], &session_id);
 852     if (ret == SILC_CLIENT_FILE_OK) {
 853       ftp = silc_calloc(1, sizeof(*ftp));
 854       ftp->session_id = session_id;
 855
 856       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 857                          SILCTXT_FILE_SEND, client_entry->nickname,
 858                          argv[2]);
 859
 860       ftp->client_entry = client_entry;
 861       ftp->filepath = strdup(argv[2]);
 862       ftp->conn = conn;
 863       ftp->send = TRUE;
 864       silc_dlist_add(server->ftp_sessions, ftp);
 865       server->current_session = ftp;
 866     } else {
 867       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 868         printformat_module("fe-common/silc", server, NULL,
 869                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 870                            client_entry->nickname);
 871       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 872         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 873                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 874                            client_entry->nickname, argv[2]);
 875     }
 876
 877     break;
 878
 879   case 2:
 880     /* Parse the typed nickname. */
 881     if (argc >= 3) {
 882       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 883         printformat_module("fe-common/silc", server, NULL,
 884                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 885         goto out;
 886       }
 887
 888       /* Find client entry */
 889       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 890                                              argv[2], &entry_count);
 891       if (!entrys) {
 892         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 893         inter->server = server;
 894         inter->data = strdup(data);
 895         inter->nick = strdup(nickname);
 896         inter->item = item;
 897         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 898                                 silc_client_command_file_get_clients, inter);
 899         goto out;
 900       }
 901       client_entry = entrys[0];
 902       silc_free(entrys);
 903     } else {
 904       if (!server->current_session) {
 905         printformat_module("fe-common/silc", server, NULL,
 906                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 907         goto out;
 908       }
 909
 910       ret = silc_client_file_receive(silc_client, conn,
 911                                      silc_client_file_monitor, server, NULL,
 912                                      server->current_session->session_id,
 913                                      NULL, NULL);
 914       if (ret != SILC_CLIENT_FILE_OK) {
 915         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 916           printformat_module("fe-common/silc", server, NULL,
 917                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 918                              server->current_session->client_entry->nickname);
 919         else {
 920           printformat_module("fe-common/silc", server, NULL,
 921                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 922                              server->current_session->client_entry->nickname);
 923
 924           silc_client_file_close(silc_client, conn,
 925                                  server->current_session->session_id);
 926           silc_dlist_del(server->ftp_sessions, server->current_session);
 927           silc_free(server->current_session->filepath);
 928           silc_free(server->current_session);
 929           server->current_session = NULL;
 930
 931           silc_dlist_start(server->ftp_sessions);
 932           server->current_session = silc_dlist_get(server->ftp_sessions);
 933         }
 934       }
 935
 936       goto out;
 937     }
 938
 939     silc_dlist_start(server->ftp_sessions);
 940     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 941       if (ftp->client_entry == client_entry && !ftp->filepath) {
 942         ret = silc_client_file_receive(silc_client, conn,
 943                                        silc_client_file_monitor, server,
 944                                        NULL, ftp->session_id, NULL, NULL);
 945         if (ret != SILC_CLIENT_FILE_OK) {
 946           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 947             printformat_module("fe-common/silc", server, NULL,
 948                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 949                                client_entry->nickname);
 950           else {
 951             printformat_module("fe-common/silc", server, NULL,
 952                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 953                                client_entry->nickname);
 954             silc_client_file_close(silc_client, conn, ftp->session_id);
 955             silc_dlist_del(server->ftp_sessions, ftp);
 956             if (ftp == server->current_session) {
 957               server->current_session = NULL;
 958               silc_dlist_start(server->ftp_sessions);
 959               server->current_session = silc_dlist_get(server->ftp_sessions);
 960             }
 961             silc_free(ftp->filepath);
 962             silc_free(ftp);
 963           }
 964         }
 965         break;
 966       }
 967     }
 968
 969     if (ftp == SILC_LIST_END) {
 970       printformat_module("fe-common/silc", server, NULL,
 971                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 972                          client_entry->nickname);
 973       goto out;
 974     }
 975     break;
 976
 977   case 3:
 978     /* Parse the typed nickname. */
 979     if (argc >= 3) {
 980       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 981         printformat_module("fe-common/silc", server, NULL,
 982                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 983         goto out;
 984       }
 985
 986       /* Find client entry */
 987       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 988                                              argv[2], &entry_count);
 989       if (!entrys) {
 990         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 991         inter->server = server;
 992         inter->data = strdup(data);
 993         inter->nick = strdup(nickname);
 994         inter->item = item;
 995         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 996                                 silc_client_command_file_get_clients, inter);
 997         goto out;
 998       }
 999       client_entry = entrys[0];
1000       silc_free(entrys);
1001     } else {
1002       if (!server->current_session) {
1003         printformat_module("fe-common/silc", server, NULL,
1004                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1005         goto out;
1006       }
1007
1008       silc_client_file_close(silc_client, conn,
1009                              server->current_session->session_id);
1010       printformat_module("fe-common/silc", server, NULL,
1011                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1012                          server->current_session->client_entry->nickname,
1013                          server->current_session->filepath ?
1014                          server->current_session->filepath : "[N/A]");
1015       silc_dlist_del(server->ftp_sessions, server->current_session);
1016       silc_free(server->current_session->filepath);
1017       silc_free(server->current_session);
1018       server->current_session = NULL;
1019
1020       silc_dlist_start(server->ftp_sessions);
1021       server->current_session = silc_dlist_get(server->ftp_sessions);
1022       goto out;
1023     }
1024
1025     silc_dlist_start(server->ftp_sessions);
1026     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1027       if (ftp->client_entry == client_entry) {
1028         silc_client_file_close(silc_client, conn, ftp->session_id);
1029         printformat_module("fe-common/silc", server, NULL,
1030                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1031                            client_entry->nickname,
1032                            ftp->filepath ? ftp->filepath : "[N/A]");
1033         silc_dlist_del(server->ftp_sessions, ftp);
1034         if (ftp == server->current_session) {
1035           server->current_session = NULL;
1036           silc_dlist_start(server->ftp_sessions);
1037           server->current_session = silc_dlist_get(server->ftp_sessions);
1038         }
1039         silc_free(ftp->filepath);
1040         silc_free(ftp);
1041         break;
1042       }
1043     }
1044
1045     if (ftp == SILC_LIST_END) {
1046       printformat_module("fe-common/silc", server, NULL,
1047                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1048                          client_entry->nickname);
1049       goto out;
1050     }
1051     break;
1052
1053   case 4:
1054
1055     if (!silc_dlist_count(server->ftp_sessions)) {
1056       printformat_module("fe-common/silc", server, NULL,
1057                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1058       goto out;
1059     }
1060
1061     printformat_module("fe-common/silc", server, NULL,
1062                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1063
1064     silc_dlist_start(server->ftp_sessions);
1065     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1066       printformat_module("fe-common/silc", server, NULL,
1067                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1068                          ftp->client_entry->nickname,
1069                          ftp->session_id,
1070                          ftp->send ? "send" : "receive",
1071                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1072                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1073                          ftp->percent, ftp->kps,
1074                          ftp->filepath ? ftp->filepath : "[N/A]");
1075     }
1076
1077     break;
1078
1079   default:
1080     break;
1081   }
1082
1083  out:
1084   silc_free(nickname);
1085 }
1086
1087 void silc_server_init(void)
1088 {
1089   silc_servers_reconnect_init();
1090
1091   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1092   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1093   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1094   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1095   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1096   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1097   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1098   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1099   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1100   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1101   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1102   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1103   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1104   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1105   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1106   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1107   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1108   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1109   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1110   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1111   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1112   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1113   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
1114   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1115   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
1116   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1117   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1118   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1119   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1120   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1121   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1122
1123   command_set_options("connect", "+silcnet");
1124 }
1125
1126 void silc_server_deinit(void)
1127 {
1128   silc_servers_reconnect_deinit();
1129
1130   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1131   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1132   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1133   command_unbind("whois", (SIGNAL_FUNC) command_self);
1134   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1135   command_unbind("nick", (SIGNAL_FUNC) command_self);
1136   command_unbind("topic", (SIGNAL_FUNC) command_self);
1137   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1138   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1139   command_unbind("users", (SIGNAL_FUNC) command_self);
1140   command_unbind("list", (SIGNAL_FUNC) command_self);
1141   command_unbind("oper", (SIGNAL_FUNC) command_self);
1142   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1143   command_unbind("umode", (SIGNAL_FUNC) command_self);
1144   command_unbind("invite", (SIGNAL_FUNC) command_self);
1145   command_unbind("kill", (SIGNAL_FUNC) command_self);
1146   command_unbind("kick", (SIGNAL_FUNC) command_self);
1147   command_unbind("info", (SIGNAL_FUNC) command_self);
1148   command_unbind("ping", (SIGNAL_FUNC) command_self);
1149   command_unbind("motd", (SIGNAL_FUNC) command_self);
1150   command_unbind("ban", (SIGNAL_FUNC) command_self);
1151   command_unbind("close", (SIGNAL_FUNC) command_self);
1152   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1153   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1154   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1155   command_unbind("file", (SIGNAL_FUNC) command_file);
1156   command_unbind("detach", (SIGNAL_FUNC) command_self);
1157   command_unbind("watch", (SIGNAL_FUNC) command_self);
1158   command_unbind("stats", (SIGNAL_FUNC) command_self);
1159   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1160   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1161 }
1162
1163 void silc_server_free_ftp(SILC_SERVER_REC *server,
1164                           SilcClientEntry client_entry)
1165 {
1166   FtpSession ftp;
1167
1168   silc_dlist_start(server->ftp_sessions);
1169   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1170     if (ftp->client_entry == client_entry) {
1171       silc_dlist_del(server->ftp_sessions, ftp);
1172       silc_free(ftp->filepath);
1173       silc_free(ftp);
1174     }
1175   }
1176 }
1177
1178 bool silc_term_utf8(void)
1179 {
1180   const char *str;
1181   str = settings_get_str("term_type");
1182   if (str)
1183     if (g_strcasecmp(str, "utf-8") == 0)
1184       return TRUE;
1185   return FALSE;
1186 }