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 #include "channels-setup.h"
  37
  38 #include "client_ops.h"
  39 #include "silc-servers.h"
  40 #include "silc-channels.h"
  41 #include "silc-queries.h"
  42 #include "silc-nicklist.h"
  43 #include "silc-cmdqueue.h"
  44 #include "window-item-def.h"
  45
  46 #include "fe-common/core/printtext.h"
  47 #include "fe-common/core/fe-channels.h"
  48 #include "fe-common/core/keyboard.h"
  49 #include "fe-common/silc/module-formats.h"
  50
  51 #include "silc-commands.h"
  52
  53 void silc_servers_reconnect_init(void);
  54 void silc_servers_reconnect_deinit(void);
  55
  56 int silc_send_channel(SILC_SERVER_REC *server,
  57                       char *channel, char *msg,
  58                       SilcMessageFlags flags)
  59 {
  60   SILC_CHANNEL_REC *rec;
  61
  62   rec = silc_channel_find(server, channel);
  63   if (rec == NULL || rec->entry == NULL) {
  64     cmd_return_error_value(CMDERR_NOT_JOINED, FALSE);
  65   }
  66
  67   silc_client_send_channel_message(silc_client, server->conn, rec->entry,
  68                                    NULL, flags, msg, strlen(msg), TRUE);
  69   return TRUE;
  70 }
  71
  72 typedef struct {
  73   char *nick;
  74   char *msg;
  75   int len;
  76   SilcMessageFlags flags;
  77   SILC_SERVER_REC *server;
  78 } PRIVMSG_REC;
  79
  80 /* Callback function that sends the private message if the client was
  81    resolved from the server. */
  82
  83 static void silc_send_msg_clients(SilcClient client,
  84                                   SilcClientConnection conn,
  85                                   SilcClientEntry *clients,
  86                                   SilcUInt32 clients_count,
  87                                   void *context)
  88 {
  89   PRIVMSG_REC *rec = context;
  90   SILC_SERVER_REC *server = rec->server;
  91   SilcClientEntry target;
  92   char *nickname = NULL;
  93
  94   if (!clients_count) {
  95     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  96               "%s: There is no such client", rec->nick);
  97   } else {
  98     if (clients_count > 1) {
  99       silc_parse_userfqdn(rec->nick, &nickname, NULL);
 100
 101       /* Find the correct one. The rec->nick might be a formatted nick
 102          so this will find the correct one. */
 103       clients = silc_client_get_clients_local(silc_client, server->conn,
 104                                               nickname, rec->nick,
 105                                               &clients_count);
 106       if (!clients) {
 107         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 108                   "%s: There is no such client", rec->nick);
 109         silc_free(nickname);
 110         goto out;
 111       }
 112       silc_free(nickname);
 113     }
 114
 115     target = clients[0];
 116
 117     /* Still check for exact math for nickname, this compares the
 118        real (formatted) nickname and the nick (maybe formatted) that
 119        use gave. This is to assure that `nick' does not match
 120        `nick@host'. */
 121     if (!silc_utf8_strcasecmp(rec->nick, clients[0]->nickname)) {
 122       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 123                 "%s: There is no such client", rec->nick);
 124       goto out;
 125     }
 126
 127     /* Send the private message */
 128     silc_client_send_private_message(client, conn, target,
 129                                      rec->flags,
 130                                      rec->msg, rec->len,
 131                                      TRUE);
 132   }
 133
 134  out:
 135   g_free(rec->nick);
 136   g_free(rec->msg);
 137   g_free(rec);
 138 }
 139
 140 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 141                   int msg_len, SilcMessageFlags flags)
 142 {
 143   PRIVMSG_REC *rec;
 144   SilcClientEntry *clients;
 145   SilcUInt32 clients_count;
 146   char *nickname = NULL;
 147
 148   if (!silc_parse_userfqdn(nick, &nickname, NULL)) {
 149     printformat_module("fe-common/silc", server, NULL,
 150                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 151     return FALSE;
 152   }
 153
 154   /* Find client entry */
 155   clients = silc_client_get_clients_local(silc_client, server->conn,
 156                                           nickname, nick, &clients_count);
 157   if (!clients) {
 158     rec = g_new0(PRIVMSG_REC, 1);
 159     rec->nick = g_strdup(nick);
 160     rec->msg = g_strdup(msg);
 161     rec->server = server;
 162     rec->flags = flags;
 163     rec->len = msg_len;
 164
 165     /* Could not find client with that nick, resolve it from server. */
 166     silc_client_get_clients(silc_client, server->conn,
 167                             nickname, NULL, silc_send_msg_clients, rec);
 168     silc_free(nickname);
 169     return TRUE;
 170   }
 171
 172   /* Send the private message directly */
 173   silc_free(nickname);
 174   silc_client_send_private_message(silc_client, server->conn,
 175                                    clients[0], flags,
 176                                    msg, msg_len, TRUE);
 177   return TRUE;
 178 }
 179
 180 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 181                     const char *data, int sign)
 182 {
 183   char *unescaped_data;
 184   SilcUInt32 unescaped_data_len;
 185   int target_type;
 186
 187   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 188     return;
 189
 190   if (channel) {
 191     target_type = SEND_TARGET_CHANNEL;
 192   } else {
 193     target_type = server_ischannel(SERVER(server), to) ?
 194       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 195   }
 196
 197   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 198
 199   if (target_type == SEND_TARGET_CHANNEL) {
 200     SILC_CHANNEL_REC *rec;
 201
 202     rec = silc_channel_find(server, to);
 203     if (rec == NULL || rec->entry == NULL) {
 204       cmd_return_error(CMDERR_NOT_JOINED);
 205     }
 206
 207     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 208                                      NULL, SILC_MESSAGE_FLAG_DATA |
 209                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 210                                      unescaped_data, unescaped_data_len, TRUE);
 211   } else {
 212     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 213                   SILC_MESSAGE_FLAG_DATA |
 214                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 215
 216   }
 217
 218   signal_stop();
 219
 220   silc_free(unescaped_data);
 221 }
 222
 223 static int isnickflag_func(char flag)
 224 {
 225   return flag == '@' || flag == '+';
 226 }
 227
 228 static int ischannel_func(SERVER_REC *server, const char *data)
 229 {
 230   return FALSE;
 231 }
 232
 233 const char *get_nick_flags(void)
 234 {
 235   return "@\0\0";
 236 }
 237
 238 static void send_message(SILC_SERVER_REC *server, char *target,
 239                          char *msg, int target_type)
 240 {
 241   char *message = NULL, *t = NULL;
 242   int len;
 243
 244   g_return_if_fail(server != NULL);
 245   g_return_if_fail(target != NULL);
 246   g_return_if_fail(msg != NULL);
 247
 248   if (!silc_term_utf8()) {
 249     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 250     message = silc_calloc(len + 1, sizeof(*message));
 251     g_return_if_fail(message != NULL);
 252     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 253   }
 254
 255   if (target_type == SEND_TARGET_CHANNEL)
 256     silc_send_channel(server, target, message ? message : msg,
 257                       SILC_MESSAGE_FLAG_UTF8);
 258   else {
 259     if (!silc_term_utf8()) {
 260       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 261       t = silc_calloc(len + 1, sizeof(*t));
 262       g_return_if_fail(t != NULL);
 263       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 264     }
 265
 266     silc_send_msg(server, t ? t : target, message ? message : msg,
 267                   message ? strlen(message) : strlen(msg),
 268                   SILC_MESSAGE_FLAG_UTF8);
 269   }
 270
 271   silc_free(message);
 272   silc_free(t);
 273 }
 274
 275 void silc_send_heartbeat(SilcSocketConnection sock,
 276                          void *hb_context)
 277 {
 278   SILC_SERVER_REC *server = SILC_SERVER(hb_context);
 279
 280   if (server == NULL)
 281     return;
 282
 283   silc_client_send_packet(silc_client, server->conn, SILC_PACKET_HEARTBEAT,
 284                           NULL, 0);
 285 }
 286
 287 static void sig_connected(SILC_SERVER_REC *server)
 288 {
 289   SilcClientConnection conn;
 290   SilcClientConnectionParams params;
 291   char *file;
 292   int fd;
 293
 294   if (!IS_SILC_SERVER(server))
 295     return;
 296
 297   /* Try to read detached session data and use it if found. */
 298   memset(&params, 0, sizeof(params));
 299   file = silc_get_session_filename(server);
 300   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 301   if (params.detach_data)
 302     params.detach_data[params.detach_data_len] = 0;
 303
 304   /* Add connection to the client library */
 305   conn = silc_client_add_connection(silc_client, &params,
 306                                     server->connrec->address,
 307                                     server->connrec->port,
 308                                     server);
 309   server->conn = conn;
 310
 311   if (params.detach_data)
 312     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 313                         SILCTXT_REATTACH, server->tag);
 314
 315   silc_free(params.detach_data);
 316
 317   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 318
 319   /* Start key exchange with the server */
 320   silc_client_start_key_exchange(silc_client, conn, fd);
 321
 322   /* Put default attributes */
 323   silc_query_attributes_default(silc_client, conn);
 324
 325   /* initialize heartbeat sending */
 326   if (settings_get_int("heartbeat") > 0)
 327     silc_socket_set_heartbeat(conn->sock, settings_get_int("heartbeat"),
 328                                 (void *)server,
 329                                 (SilcSocketConnectionHBCb)silc_send_heartbeat,
 330                                 silc_client->schedule);
 331
 332   server->ftp_sessions = silc_dlist_init();
 333   server->isnickflag = isnickflag_func;
 334   server->ischannel = ischannel_func;
 335   server->get_nick_flags = get_nick_flags;
 336   server->send_message = (void *) send_message;
 337 }
 338
 339 static void sig_disconnected(SILC_SERVER_REC *server)
 340 {
 341   if (!IS_SILC_SERVER(server))
 342     return;
 343
 344   silc_dlist_uninit(server->ftp_sessions);
 345
 346   if (server->conn && server->conn->sock != NULL) {
 347     silc_client_close_connection(silc_client, server->conn);
 348
 349     /* SILC closes the handle */
 350     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 351     net_sendbuffer_destroy(server->handle, FALSE);
 352     server->handle = NULL;
 353   }
 354 }
 355
 356 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 357 {
 358   SILC_SERVER_REC *server;
 359
 360   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 361   if (conn->address == NULL || *conn->address == '\0')
 362     return NULL;
 363   if (conn->nick == NULL || *conn->nick == '\0') {
 364     silc_say_error("Cannot connect: nickname is not set");
 365     return NULL;
 366   }
 367
 368   server = g_new0(SILC_SERVER_REC, 1);
 369   server->chat_type = SILC_PROTOCOL;
 370   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 371   server_connect_ref(conn);
 372
 373   if (server->connrec->port <= 0)
 374     server->connrec->port = 706;
 375
 376   server_connect_init((SERVER_REC *)server);
 377   return (SERVER_REC *)server;
 378 }
 379
 380 void silc_server_connect(SERVER_REC *server)
 381 {
 382   if (!server_start_connect(server)) {
 383     server_connect_unref(server->connrec);
 384     g_free(server);
 385     return;
 386   }
 387 }
 388
 389 /* Return a string of all channels in server in server->channels_join()
 390    format */
 391
 392 char *silc_server_get_channels(SILC_SERVER_REC *server)
 393 {
 394   GSList *tmp;
 395   GString *chans;
 396   char *ret;
 397
 398   g_return_val_if_fail(server != NULL, FALSE);
 399
 400   chans = g_string_new(NULL);
 401   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 402     CHANNEL_REC *channel = tmp->data;
 403     CHANNEL_SETUP_REC *schannel;
 404
 405     if ((schannel = channel_setup_find(channel->name, server->connrec->chatnet)) &&
 406         schannel->password)
 407       g_string_sprintfa(chans, "%s %s,", channel->name,
 408                         schannel->password);
 409     else
 410       g_string_sprintfa(chans, "%s,", channel->name);
 411   }
 412
 413   if (chans->len > 0)
 414     g_string_truncate(chans, chans->len-1);
 415
 416   ret = chans->str;
 417   g_string_free(chans, FALSE);
 418
 419   return ret;
 420 }
 421
 422 /* Syntaxes of all SILC commands for HELP files (the help file generation
 423    will snoop these from here). */
 424
 425 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 426 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 427 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 428 /* SYNTAX: GETKEY <nickname or server name> */
 429 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 430 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 431 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 432 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 433 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 434 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 435 /* SYNTAX: OPER <username> [-pubkey] */
 436 /* SYNTAX: SILCOPER <username> [-pubkey] */
 437 /* SYNTAX: TOPIC <channel> [<topic>] */
 438 /* SYNTAX: UMODE +|-<modes> */
 439 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 440 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 441 /* SYNTAX: CLOSE <server> [<port>] */
 442 /* SYNTAX: SHUTDOWN */
 443 /* SYNTAX: MOTD [<server>] */
 444 /* SYNTAX: LIST [<channel>] */
 445 /* SYNTAX: ME <message> */
 446 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 447 /* SYNTAX: AWAY [<message>] */
 448 /* SYNTAX: INFO [<server>] */
 449 /* SYNTAX: NICK <nickname> */
 450 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 451 /* SYNTAX: PART [<channel>] */
 452 /* SYNTAX: PING */
 453 /* SYNTAX: SCONNECT <server> [<port>] */
 454 /* SYNTAX: USERS <channel> */
 455 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 456 /* SYNTAX: FILE ACCEPT [<nickname>] */
 457 /* SYNTAX: FILE CLOSE [<nickname>] */
 458 /* SYNTAX: FILE */
 459 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 460 /* SYNTAX: DETACH */
 461 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 462 /* SYNTAX: STATS */
 463 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 464 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 465 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 466
 467 void silc_command_exec(SILC_SERVER_REC *server,
 468                        const char *command, const char *args)
 469 {
 470   char *data;
 471   g_return_if_fail(server != NULL);
 472
 473   /* Call the command */
 474   data = g_strconcat(command, " ", args, NULL);
 475   silc_queue_command_call(silc_client, server->conn, data);
 476   g_free(data);
 477 }
 478
 479 /* Generic command function to call any SILC command directly. */
 480
 481 static void command_self(const char *data, SILC_SERVER_REC *server,
 482                          WI_ITEM_REC *item)
 483 {
 484   CMD_SILC_SERVER(server);
 485
 486   if (!IS_SILC_SERVER(server) || !server->connected) {
 487     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 488     return;
 489   }
 490
 491   if (IS_SILC_CHANNEL(item)) {
 492     SILC_CHANNEL_REC *chanrec;
 493     chanrec = silc_channel_find(server, item->visible_name);
 494     if (chanrec)
 495       server->conn->current_channel = chanrec->entry;
 496   }
 497
 498   silc_command_exec(server, current_command, data);
 499   signal_stop();
 500 }
 501
 502 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 503    has CONNECT command for other purposes. */
 504
 505 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 506 {
 507   CMD_SILC_SERVER(server);
 508   if (!IS_SILC_SERVER(server) || !server->connected) {
 509     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 510     return;
 511   }
 512
 513   silc_command_exec(server, "CONNECT", data);
 514   signal_stop();
 515 }
 516
 517 /* SMSG command, to send digitally signed messages */
 518
 519 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 520                          WI_ITEM_REC *item)
 521 {
 522   GHashTable *optlist;
 523   char *target, *origtarget, *msg;
 524   void *free_arg;
 525   int free_ret, target_type;
 526
 527   g_return_if_fail(data != NULL);
 528   if (server == NULL || !server->connected)
 529     cmd_param_error(CMDERR_NOT_CONNECTED);
 530
 531   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 532                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 533                       "msg", &optlist, &target, &msg))
 534     return;
 535   if (*target == '\0' || *msg == '\0')
 536     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 537
 538   origtarget = target;
 539   free_ret = FALSE;
 540
 541   if (strcmp(target, "*") == 0) {
 542     if (item == NULL)
 543       cmd_param_error(CMDERR_NOT_JOINED);
 544
 545     target_type = IS_CHANNEL(item) ?
 546       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 547     target = (char *) window_item_get_target(item);
 548   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 549     target_type = SEND_TARGET_CHANNEL;
 550   } else {
 551     target_type = server_ischannel(SERVER(server), target) ?
 552       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 553   }
 554
 555   if (target != NULL) {
 556     char *message = NULL, *t = NULL;
 557     int len, result;
 558
 559     if (!silc_term_utf8()) {
 560       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 561       message = silc_calloc(len + 1, sizeof(*message));
 562       g_return_if_fail(message != NULL);
 563       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 564     }
 565
 566     if (target_type == SEND_TARGET_CHANNEL)
 567       result = silc_send_channel(server, target, message ? message : msg,
 568                                  SILC_MESSAGE_FLAG_UTF8 |
 569                                  SILC_MESSAGE_FLAG_SIGNED);
 570     else {
 571       if (!silc_term_utf8()) {
 572         len = silc_utf8_encoded_len(target, strlen(target),
 573                                     SILC_STRING_LOCALE);
 574         t = silc_calloc(len + 1, sizeof(*t));
 575         g_return_if_fail(t != NULL);
 576         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 577       }
 578       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 579                              message ? strlen(message) : strlen(msg),
 580                              SILC_MESSAGE_FLAG_UTF8 |
 581                              SILC_MESSAGE_FLAG_SIGNED);
 582     }
 583     silc_free(message);
 584     silc_free(t);
 585     if (!result)
 586       goto out;
 587   }
 588
 589   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 590               "message signed_own_public" : "message signed_own_private", 4,
 591               server, msg, target, origtarget);
 592 out:
 593   if (free_ret && target != NULL) g_free(target);
 594   cmd_params_free(free_arg);
 595 }
 596
 597 /* FILE command */
 598
 599 SILC_TASK_CALLBACK(silc_client_file_close_later)
 600 {
 601   FtpSession ftp = (FtpSession)context;
 602
 603   SILC_LOG_DEBUG(("Start"));
 604
 605   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 606   silc_free(ftp->filepath);
 607   silc_free(ftp);
 608 }
 609
 610 static void silc_client_file_monitor(SilcClient client,
 611                                      SilcClientConnection conn,
 612                                      SilcClientMonitorStatus status,
 613                                      SilcClientFileError error,
 614                                      SilcUInt64 offset,
 615                                      SilcUInt64 filesize,
 616                                      SilcClientEntry client_entry,
 617                                      SilcUInt32 session_id,
 618                                      const char *filepath,
 619                                      void *context)
 620 {
 621   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 622   FtpSession ftp;
 623   char fsize[32];
 624
 625   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 626     return;
 627
 628   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 629
 630   silc_dlist_start(server->ftp_sessions);
 631   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 632     if (ftp->session_id == session_id) {
 633       if (!ftp->filepath && filepath)
 634         ftp->filepath = strdup(filepath);
 635       break;
 636     }
 637   }
 638
 639   if (ftp == SILC_LIST_END)
 640     return;
 641
 642   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 643     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 644       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 645                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 646                          client_entry->nickname,
 647                          filepath ? filepath : "[N/A]");
 648     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 649       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 650                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 651                          client_entry->nickname);
 652     else
 653       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 654                          SILCTXT_FILE_ERROR, client_entry->nickname);
 655     silc_schedule_task_add(silc_client->schedule, 0,
 656                            silc_client_file_close_later, ftp,
 657                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 658     silc_dlist_del(server->ftp_sessions, ftp);
 659     if (ftp == server->current_session) {
 660       server->current_session = NULL;
 661       silc_dlist_start(server->ftp_sessions);
 662       server->current_session = silc_dlist_get(server->ftp_sessions);
 663     }
 664   }
 665
 666   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 667     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 668                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 669   }
 670
 671   /* Save some transmission data */
 672   if (offset && filesize) {
 673     unsigned long delta = time(NULL) - ftp->starttime;
 674
 675     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 676     if (delta)
 677       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 678     else
 679       ftp->kps = (double)(offset + 1023) / (double)1024;
 680     ftp->offset = offset;
 681     ftp->filesize = filesize;
 682   }
 683
 684   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 685     if (offset == 0) {
 686       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 687                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 688                          client_entry->nickname);
 689       ftp->starttime = time(NULL);
 690     }
 691     if (offset == filesize) {
 692       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 693                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 694                          client_entry->nickname, ftp->kps);
 695       silc_schedule_task_add(silc_client->schedule, 0,
 696                              silc_client_file_close_later, ftp,
 697                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 698       silc_dlist_del(server->ftp_sessions, ftp);
 699       if (ftp == server->current_session) {
 700         server->current_session = NULL;
 701         silc_dlist_start(server->ftp_sessions);
 702         server->current_session = silc_dlist_get(server->ftp_sessions);
 703       }
 704
 705     }
 706   }
 707
 708   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 709     if (offset == 0) {
 710       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 711                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 712                          client_entry->nickname);
 713       ftp->starttime = time(NULL);
 714     }
 715
 716     if (offset == filesize) {
 717       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 718                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 719                          client_entry->nickname, ftp->kps);
 720       silc_schedule_task_add(silc_client->schedule, 0,
 721                              silc_client_file_close_later, ftp,
 722                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 723       silc_dlist_del(server->ftp_sessions, ftp);
 724       if (ftp == server->current_session) {
 725         server->current_session = NULL;
 726         silc_dlist_start(server->ftp_sessions);
 727         server->current_session = silc_dlist_get(server->ftp_sessions);
 728       }
 729
 730     }
 731   }
 732 }
 733
 734 typedef struct {
 735   SILC_SERVER_REC *server;
 736   char *data;
 737   char *nick;
 738   WI_ITEM_REC *item;
 739 } *FileGetClients;
 740
 741 static void silc_client_command_file_get_clients(SilcClient client,
 742                                                  SilcClientConnection conn,
 743                                                  SilcClientEntry *clients,
 744                                                  SilcUInt32 clients_count,
 745                                                  void *context)
 746 {
 747   FileGetClients internal = (FileGetClients)context;
 748
 749   if (!clients) {
 750     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 751               internal->nick);
 752     silc_free(internal->data);
 753     silc_free(internal->nick);
 754     silc_free(internal);
 755     return;
 756   }
 757
 758   signal_emit("command file", 3, internal->data, internal->server,
 759               internal->item);
 760
 761   silc_free(internal->data);
 762   silc_free(internal->nick);
 763   silc_free(internal);
 764 }
 765
 766 static void command_file(const char *data, SILC_SERVER_REC *server,
 767                          WI_ITEM_REC *item)
 768 {
 769   SilcClientConnection conn;
 770   SilcClientEntry *entrys, client_entry;
 771   SilcClientFileError ret;
 772   SilcUInt32 entry_count;
 773   char *nickname = NULL, *tmp;
 774   unsigned char **argv;
 775   SilcUInt32 argc;
 776   SilcUInt32 *argv_lens, *argv_types;
 777   int type = 0;
 778   FtpSession ftp;
 779   char *local_ip = NULL;
 780   SilcUInt32 local_port = 0;
 781   SilcUInt32 session_id;
 782   bool do_not_bind = FALSE;
 783
 784   CMD_SILC_SERVER(server);
 785   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 786     cmd_return_error(CMDERR_NOT_CONNECTED);
 787
 788   conn = server->conn;
 789
 790   /* Now parse all arguments */
 791   tmp = g_strconcat("FILE", " ", data, NULL);
 792   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 793   g_free(tmp);
 794
 795   if (argc == 1)
 796     type = 4;
 797
 798   if (argc >= 2) {
 799     if (!strcasecmp(argv[1], "send"))
 800       type = 1;
 801     if (!strcasecmp(argv[1], "accept"))
 802       type = 2;
 803     if (!strcasecmp(argv[1], "close"))
 804       type = 3;
 805   }
 806
 807   if (type == 0)
 808     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 809
 810   switch (type) {
 811   case 1:
 812     if (argc < 4)
 813       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 814
 815     /* Parse the typed nickname. */
 816     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 817       printformat_module("fe-common/silc", server, NULL,
 818                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 819       goto out;
 820     }
 821
 822     /* Find client entry */
 823     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 824                                            argv[3], &entry_count);
 825     if (!entrys) {
 826       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 827       inter->server = server;
 828       inter->data = strdup(data);
 829       inter->nick = strdup(nickname);
 830       inter->item = item;
 831       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 832                               silc_client_command_file_get_clients, inter);
 833       goto out;
 834     }
 835     client_entry = entrys[0];
 836     silc_free(entrys);
 837
 838     if (argc >= 5) {
 839       if (!strcasecmp(argv[4], "-no-listener"))
 840         do_not_bind = TRUE;
 841       else
 842         local_ip = argv[4];
 843     }
 844     if (argc >= 6) {
 845       if (!strcasecmp(argv[5], "-no-listener"))
 846         do_not_bind = TRUE;
 847       else
 848         local_port = atoi(argv[5]);
 849     }
 850     if (argc >= 7) {
 851       if (!strcasecmp(argv[6], "-no-listener"))
 852         do_not_bind = TRUE;
 853     }
 854
 855     ret =
 856       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 857                             server, local_ip, local_port, do_not_bind,
 858                             client_entry, argv[2], &session_id);
 859     if (ret == SILC_CLIENT_FILE_OK) {
 860       ftp = silc_calloc(1, sizeof(*ftp));
 861       ftp->session_id = session_id;
 862
 863       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 864                          SILCTXT_FILE_SEND, client_entry->nickname,
 865                          argv[2]);
 866
 867       ftp->client_entry = client_entry;
 868       ftp->filepath = strdup(argv[2]);
 869       ftp->conn = conn;
 870       ftp->send = TRUE;
 871       silc_dlist_add(server->ftp_sessions, ftp);
 872       server->current_session = ftp;
 873     } else {
 874       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 875         printformat_module("fe-common/silc", server, NULL,
 876                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 877                            client_entry->nickname);
 878       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 879         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 880                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 881                            client_entry->nickname, argv[2]);
 882     }
 883
 884     break;
 885
 886   case 2:
 887     /* Parse the typed nickname. */
 888     if (argc >= 3) {
 889       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 890         printformat_module("fe-common/silc", server, NULL,
 891                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 892         goto out;
 893       }
 894
 895       /* Find client entry */
 896       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 897                                              argv[2], &entry_count);
 898       if (!entrys) {
 899         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 900         inter->server = server;
 901         inter->data = strdup(data);
 902         inter->nick = strdup(nickname);
 903         inter->item = item;
 904         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 905                                 silc_client_command_file_get_clients, inter);
 906         goto out;
 907       }
 908       client_entry = entrys[0];
 909       silc_free(entrys);
 910     } else {
 911       if (!server->current_session) {
 912         printformat_module("fe-common/silc", server, NULL,
 913                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 914         goto out;
 915       }
 916
 917       ret = silc_client_file_receive(silc_client, conn,
 918                                      silc_client_file_monitor, server, NULL,
 919                                      server->current_session->session_id,
 920                                      NULL, NULL);
 921       if (ret != SILC_CLIENT_FILE_OK) {
 922         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 923           printformat_module("fe-common/silc", server, NULL,
 924                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 925                              server->current_session->client_entry->nickname);
 926         else {
 927           printformat_module("fe-common/silc", server, NULL,
 928                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 929                              server->current_session->client_entry->nickname);
 930
 931           silc_client_file_close(silc_client, conn,
 932                                  server->current_session->session_id);
 933           silc_dlist_del(server->ftp_sessions, server->current_session);
 934           silc_free(server->current_session->filepath);
 935           silc_free(server->current_session);
 936           server->current_session = NULL;
 937
 938           silc_dlist_start(server->ftp_sessions);
 939           server->current_session = silc_dlist_get(server->ftp_sessions);
 940         }
 941       }
 942
 943       goto out;
 944     }
 945
 946     silc_dlist_start(server->ftp_sessions);
 947     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 948       if (ftp->client_entry == client_entry && !ftp->filepath) {
 949         ret = silc_client_file_receive(silc_client, conn,
 950                                        silc_client_file_monitor, server,
 951                                        NULL, ftp->session_id, NULL, NULL);
 952         if (ret != SILC_CLIENT_FILE_OK) {
 953           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 954             printformat_module("fe-common/silc", server, NULL,
 955                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 956                                client_entry->nickname);
 957           else {
 958             printformat_module("fe-common/silc", server, NULL,
 959                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 960                                client_entry->nickname);
 961             silc_client_file_close(silc_client, conn, ftp->session_id);
 962             silc_dlist_del(server->ftp_sessions, ftp);
 963             if (ftp == server->current_session) {
 964               server->current_session = NULL;
 965               silc_dlist_start(server->ftp_sessions);
 966               server->current_session = silc_dlist_get(server->ftp_sessions);
 967             }
 968             silc_free(ftp->filepath);
 969             silc_free(ftp);
 970           }
 971         }
 972         break;
 973       }
 974     }
 975
 976     if (ftp == SILC_LIST_END) {
 977       printformat_module("fe-common/silc", server, NULL,
 978                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 979                          client_entry->nickname);
 980       goto out;
 981     }
 982     break;
 983
 984   case 3:
 985     /* Parse the typed nickname. */
 986     if (argc >= 3) {
 987       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 988         printformat_module("fe-common/silc", server, NULL,
 989                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 990         goto out;
 991       }
 992
 993       /* Find client entry */
 994       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 995                                              argv[2], &entry_count);
 996       if (!entrys) {
 997         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 998         inter->server = server;
 999         inter->data = strdup(data);
1000         inter->nick = strdup(nickname);
1001         inter->item = item;
1002         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1003                                 silc_client_command_file_get_clients, inter);
1004         goto out;
1005       }
1006       client_entry = entrys[0];
1007       silc_free(entrys);
1008     } else {
1009       if (!server->current_session) {
1010         printformat_module("fe-common/silc", server, NULL,
1011                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1012         goto out;
1013       }
1014
1015       silc_client_file_close(silc_client, conn,
1016                              server->current_session->session_id);
1017       printformat_module("fe-common/silc", server, NULL,
1018                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1019                          server->current_session->client_entry->nickname,
1020                          server->current_session->filepath ?
1021                          server->current_session->filepath : "[N/A]");
1022       silc_dlist_del(server->ftp_sessions, server->current_session);
1023       silc_free(server->current_session->filepath);
1024       silc_free(server->current_session);
1025       server->current_session = NULL;
1026
1027       silc_dlist_start(server->ftp_sessions);
1028       server->current_session = silc_dlist_get(server->ftp_sessions);
1029       goto out;
1030     }
1031
1032     silc_dlist_start(server->ftp_sessions);
1033     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1034       if (ftp->client_entry == client_entry) {
1035         silc_client_file_close(silc_client, conn, ftp->session_id);
1036         printformat_module("fe-common/silc", server, NULL,
1037                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1038                            client_entry->nickname,
1039                            ftp->filepath ? ftp->filepath : "[N/A]");
1040         silc_dlist_del(server->ftp_sessions, ftp);
1041         if (ftp == server->current_session) {
1042           server->current_session = NULL;
1043           silc_dlist_start(server->ftp_sessions);
1044           server->current_session = silc_dlist_get(server->ftp_sessions);
1045         }
1046         silc_free(ftp->filepath);
1047         silc_free(ftp);
1048         break;
1049       }
1050     }
1051
1052     if (ftp == SILC_LIST_END) {
1053       printformat_module("fe-common/silc", server, NULL,
1054                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1055                          client_entry->nickname);
1056       goto out;
1057     }
1058     break;
1059
1060   case 4:
1061
1062     if (!silc_dlist_count(server->ftp_sessions)) {
1063       printformat_module("fe-common/silc", server, NULL,
1064                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1065       goto out;
1066     }
1067
1068     printformat_module("fe-common/silc", server, NULL,
1069                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1070
1071     silc_dlist_start(server->ftp_sessions);
1072     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1073       printformat_module("fe-common/silc", server, NULL,
1074                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1075                          ftp->client_entry->nickname,
1076                          ftp->session_id,
1077                          ftp->send ? "send" : "receive",
1078                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1079                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1080                          ftp->percent, ftp->kps,
1081                          ftp->filepath ? ftp->filepath : "[N/A]");
1082     }
1083
1084     break;
1085
1086   default:
1087     break;
1088   }
1089
1090  out:
1091   silc_free(nickname);
1092 }
1093
1094 void silc_server_init(void)
1095 {
1096   silc_servers_reconnect_init();
1097
1098   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1099   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1100   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1101   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1102   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1103   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1104   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1105   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1106   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1107   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1108   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1109   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1110   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1111   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1112   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1113   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1114   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1115   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1116   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1117   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1118   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1119   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1120   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
1121   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1122   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
1123   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1124   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1125   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1126   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1127   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1128   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1129
1130   command_set_options("connect", "+silcnet");
1131 }
1132
1133 void silc_server_deinit(void)
1134 {
1135   silc_servers_reconnect_deinit();
1136
1137   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1138   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1139   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1140   command_unbind("whois", (SIGNAL_FUNC) command_self);
1141   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1142   command_unbind("nick", (SIGNAL_FUNC) command_self);
1143   command_unbind("topic", (SIGNAL_FUNC) command_self);
1144   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1145   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1146   command_unbind("users", (SIGNAL_FUNC) command_self);
1147   command_unbind("list", (SIGNAL_FUNC) command_self);
1148   command_unbind("oper", (SIGNAL_FUNC) command_self);
1149   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1150   command_unbind("umode", (SIGNAL_FUNC) command_self);
1151   command_unbind("invite", (SIGNAL_FUNC) command_self);
1152   command_unbind("kill", (SIGNAL_FUNC) command_self);
1153   command_unbind("kick", (SIGNAL_FUNC) command_self);
1154   command_unbind("info", (SIGNAL_FUNC) command_self);
1155   command_unbind("ping", (SIGNAL_FUNC) command_self);
1156   command_unbind("motd", (SIGNAL_FUNC) command_self);
1157   command_unbind("ban", (SIGNAL_FUNC) command_self);
1158   command_unbind("close", (SIGNAL_FUNC) command_self);
1159   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1160   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1161   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1162   command_unbind("file", (SIGNAL_FUNC) command_file);
1163   command_unbind("detach", (SIGNAL_FUNC) command_self);
1164   command_unbind("watch", (SIGNAL_FUNC) command_self);
1165   command_unbind("stats", (SIGNAL_FUNC) command_self);
1166   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1167   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1168 }
1169
1170 void silc_server_free_ftp(SILC_SERVER_REC *server,
1171                           SilcClientEntry client_entry)
1172 {
1173   FtpSession ftp;
1174
1175   silc_dlist_start(server->ftp_sessions);
1176   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1177     if (ftp->client_entry == client_entry) {
1178       silc_dlist_del(server->ftp_sessions, ftp);
1179       silc_free(ftp->filepath);
1180       silc_free(ftp);
1181     }
1182   }
1183 }
1184
1185 bool silc_term_utf8(void)
1186 {
1187   const char *str;
1188   str = settings_get_str("term_type");
1189   if (str)
1190     if (g_strcasecmp(str, "utf-8") == 0)
1191       return TRUE;
1192   return FALSE;
1193 }