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

   1 /*
   2   silc-server.c : irssi
   3
   4   Copyright (C) 2000 - 2007 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   return silc_client_send_channel_message(silc_client, server->conn,
  68                                           rec->entry, NULL, flags, sha1hash,
  69                                           msg, strlen(msg));
  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                                   SilcStatus status,
  86                                   SilcDList clients,
  87                                   void *context)
  88 {
  89   PRIVMSG_REC *rec = context;
  90   SILC_SERVER_REC *server = rec->server;
  91   SilcClientEntry target;
  92
  93   if (!clients) {
  94     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  95               "%s: There is no such client", rec->nick);
  96     goto out;
  97   }
  98
  99   /* Find the correct one. The rec->nick might be a formatted nick
 100      so this will find the correct one. */
 101   target = silc_dlist_get(clients);
 102   clients = silc_client_get_clients_local(silc_client, server->conn,
 103                                           rec->nick, FALSE);
 104   if (!clients) {
 105     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 106               "%s: There is no such client (did you mean %s?)", rec->nick,
 107               target->nickname);
 108     goto out;
 109   }
 110
 111   /* Send the private message */
 112   silc_dlist_start(clients);
 113   target = silc_dlist_get(clients);
 114   silc_client_send_private_message(client, conn, target, rec->flags, sha1hash,
 115                                    rec->msg, rec->len);
 116
 117  out:
 118   silc_client_list_free(silc_client, server->conn, clients);
 119   g_free(rec->nick);
 120   g_free(rec->msg);
 121   g_free(rec);
 122 }
 123
 124 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 125                   int msg_len, SilcMessageFlags flags)
 126 {
 127   PRIVMSG_REC *rec;
 128   SilcDList clients;
 129   SilcClientEntry target;
 130   int ret;
 131
 132   /* Find client entry */
 133   clients = silc_client_get_clients_local(silc_client, server->conn, nick,
 134                                           FALSE);
 135   if (!clients) {
 136     char *nickname = NULL;
 137
 138     rec = g_new0(PRIVMSG_REC, 1);
 139     rec->nick = g_strdup(nick);
 140     rec->msg = g_strdup(msg);
 141     rec->server = server;
 142     rec->flags = flags;
 143     rec->len = msg_len;
 144
 145     silc_client_nickname_parse(silc_client, server->conn, nick, &nickname);
 146     if (!nickname)
 147       nickname = strdup(nick);
 148
 149     /* Could not find client with that nick, resolve it from server. */
 150     silc_client_get_clients_whois(silc_client, server->conn, nickname,
 151                                   NULL, NULL, silc_send_msg_clients, rec);
 152     silc_free(nickname);
 153     return TRUE;
 154   }
 155
 156   /* Send the private message directly */
 157   target = silc_dlist_get(clients);
 158   ret = silc_client_send_private_message(silc_client, server->conn,
 159                                          target, flags, sha1hash,
 160                                          msg, msg_len);
 161
 162   silc_client_list_free(silc_client, server->conn, clients);
 163
 164   return ret;
 165 }
 166
 167 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 168                     const char *data, int sign)
 169 {
 170   char *unescaped_data;
 171   SilcUInt32 unescaped_data_len;
 172   int target_type;
 173
 174   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 175     return;
 176
 177   if (channel) {
 178     target_type = SEND_TARGET_CHANNEL;
 179   } else {
 180     target_type = server_ischannel(SERVER(server), to) ?
 181       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 182   }
 183
 184   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 185
 186   if (target_type == SEND_TARGET_CHANNEL) {
 187     SILC_CHANNEL_REC *rec;
 188
 189     rec = silc_channel_find(server, to);
 190     if (rec == NULL || rec->entry == NULL) {
 191       cmd_return_error(CMDERR_NOT_JOINED);
 192     }
 193
 194     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 195                                      NULL, SILC_MESSAGE_FLAG_DATA |
 196                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 197                                      sha1hash, unescaped_data,
 198                                      unescaped_data_len);
 199   } else {
 200     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 201                   SILC_MESSAGE_FLAG_DATA |
 202                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 203
 204   }
 205
 206   signal_stop();
 207
 208   silc_free(unescaped_data);
 209 }
 210
 211 static int isnickflag_func(SERVER_REC *server, char flag)
 212 {
 213   return flag == '@' || flag == '+';
 214 }
 215
 216 static int ischannel_func(SERVER_REC *server, const char *data)
 217 {
 218   return FALSE;
 219 }
 220
 221 const char *get_nick_flags(SERVER_REC *server)
 222 {
 223   return "@\0\0";
 224 }
 225
 226 static void send_message(SILC_SERVER_REC *server, char *target,
 227                          char *msg, int target_type)
 228 {
 229   char *message = NULL, *t = NULL;
 230   int len;
 231   SilcBool sign;
 232
 233   g_return_if_fail(server != NULL);
 234   g_return_if_fail(target != NULL);
 235   g_return_if_fail(msg != NULL);
 236
 237   if (!silc_term_utf8()) {
 238     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 239     message = silc_calloc(len + 1, sizeof(*message));
 240     g_return_if_fail(message != NULL);
 241     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 242   }
 243
 244   if (target_type == SEND_TARGET_CHANNEL) {
 245     sign = settings_get_bool("sign_channel_messages");
 246     silc_send_channel(server, target, message ? message : msg,
 247                       SILC_MESSAGE_FLAG_UTF8 |
 248                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 249   } else {
 250     sign = settings_get_bool("sign_private_messages");
 251     if (!silc_term_utf8()) {
 252       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 253       t = silc_calloc(len + 1, sizeof(*t));
 254       g_return_if_fail(t != NULL);
 255       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 256     }
 257
 258     silc_send_msg(server, t ? t : target, message ? message : msg,
 259                   message ? strlen(message) : strlen(msg),
 260                   SILC_MESSAGE_FLAG_UTF8 |
 261                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 262   }
 263
 264   silc_free(message);
 265   silc_free(t);
 266 }
 267
 268 /* Connection callback */
 269
 270 static void silc_connect_cb(SilcClient client,
 271                             SilcClientConnection conn,
 272                             SilcClientConnectionStatus status,
 273                             SilcStatus error,
 274                             const char *message,
 275                             void *context)
 276 {
 277   SILC_SERVER_REC *server = context;
 278   char *file;
 279
 280   SILC_LOG_DEBUG(("Connection callback %p, status %d, error %d, message %s",
 281                   conn, status, error, message ? message : "N/A"));
 282
 283   server->op = NULL;
 284
 285   switch (status) {
 286   case SILC_CLIENT_CONN_SUCCESS:
 287     if (server->disconnected) {
 288       silc_client_close_connection(client, conn);
 289       return;
 290     }
 291
 292     /* We have successfully connected to server */
 293
 294     /* Enable queueing until we have our requested nick */
 295     if (((opt_nickname &&
 296           !silc_utf8_strcasecmp(opt_nickname,
 297                                 conn->local_entry->nickname)) ||
 298          (settings_get_str("nick") &&
 299           !silc_utf8_strcasecmp(settings_get_str("nick"),
 300                                 conn->local_entry->nickname))) &&
 301         silc_utf8_strcasecmp(conn->local_entry->nickname,
 302                              conn->local_entry->username))
 303       silc_queue_enable(conn);
 304
 305     /* Put default attributes */
 306     silc_query_attributes_default(silc_client, conn);
 307
 308     server->connected = TRUE;
 309     server->conn = conn;
 310     server->conn->context = server;
 311     signal_emit("event connected", 1, server);
 312     break;
 313
 314   case SILC_CLIENT_CONN_SUCCESS_RESUME:
 315     if (server->disconnected) {
 316       silc_client_close_connection(client, conn);
 317       return;
 318     }
 319
 320     /* We have successfully resumed old detached session */
 321     server->connected = TRUE;
 322     server->conn = conn;
 323     server->conn->context = server;
 324     signal_emit("event connected", 1, server);
 325
 326     /* Put default attributes */
 327     silc_query_attributes_default(silc_client, conn);
 328
 329     /* Remove the detach data now */
 330     file = silc_get_session_filename(server);
 331     unlink(file);
 332     silc_free(file);
 333     break;
 334
 335   case SILC_CLIENT_CONN_DISCONNECTED:
 336     /* Server disconnected */
 337     if (server->conn && server->conn->local_entry) {
 338       nicklist_rename_unique(SERVER(server),
 339                              server->conn->local_entry, server->nick,
 340                              server->conn->local_entry,
 341                              silc_client->username);
 342       silc_change_nick(server, silc_client->username);
 343     }
 344
 345     if (message)
 346       silc_say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
 347                "Server closed connection: %s (%d) %s",
 348                silc_get_status_message(error), error,
 349                message ? message : "");
 350
 351     if (server->conn)
 352       server->conn->context = NULL;
 353     server->conn = NULL;
 354     server->connection_lost = TRUE;
 355     if (!server->disconnected)
 356       server_disconnect(SERVER(server));
 357     server_unref(SERVER(server));
 358     break;
 359
 360   default:
 361     file = silc_get_session_filename(server);
 362     if (silc_file_size(file) > 0)
 363       printformat_module("fe-common/silc", server, NULL,
 364                          MSGLEVEL_CRAP, SILCTXT_REATTACH_FAILED, file);
 365     silc_free(file);
 366
 367     server->connection_lost = TRUE;
 368     server->conn = NULL;
 369     if (server->conn)
 370       server->conn->context = NULL;
 371     if (!server->disconnected)
 372       server_disconnect(SERVER(server));
 373     server_unref(SERVER(server));
 374     break;
 375   }
 376 }
 377
 378 /* Called after TCP stream has been created */
 379
 380 static void sig_connected_stream_created(SilcSocketStreamStatus status,
 381                                          SilcStream stream, void *context)
 382 {
 383   SILC_SERVER_REC *server = context;
 384   SilcClientConnectionParams params;
 385   char *file;
 386
 387   server->tcp_op = NULL;
 388   if (!stream) {
 389     server->connection_lost = TRUE;
 390     server_disconnect(SERVER(server));
 391     return;
 392   }
 393
 394   if (server->disconnected) {
 395     silc_stream_destroy(stream);
 396     return;
 397   }
 398
 399   /* Set connection parameters */
 400   memset(&params, 0, sizeof(params));
 401   params.nickname = (opt_nickname ? (char *)opt_nickname :
 402                      (char *)settings_get_str("nick"));
 403   params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 404   params.rekey_secs = settings_get_int("key_exchange_rekey_secs");
 405   params.pfs = settings_get_bool("key_exchange_rekey_pfs");
 406
 407   /* Try to read detached session data and use it if found. */
 408   file = silc_get_session_filename(server);
 409   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 410   if (params.detach_data)
 411     params.detach_data[params.detach_data_len] = 0;
 412   if (params.detach_data)
 413     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 414                         SILCTXT_REATTACH, server->tag);
 415   silc_free(file);
 416
 417   /* Start key exchange */
 418   server->op = silc_client_key_exchange(silc_client, &params,
 419                                         irssi_pubkey, irssi_privkey,
 420                                         stream, SILC_CONN_SERVER,
 421                                         silc_connect_cb, server);
 422   if (!server->op) {
 423     server->connection_lost = TRUE;
 424     server_disconnect(SERVER(server));
 425     silc_stream_destroy(stream);
 426     return;
 427   }
 428
 429   server_ref(SERVER(server));
 430   server->ftp_sessions = silc_dlist_init();
 431   server->isnickflag = isnickflag_func;
 432   server->ischannel = ischannel_func;
 433   server->get_nick_flags = get_nick_flags;
 434   server->send_message = (void *) send_message;
 435 }
 436
 437 static void sig_connected(SILC_SERVER_REC *server)
 438 {
 439   int fd;
 440
 441   if (!IS_SILC_SERVER(server))
 442     return;
 443
 444   /* Wrap the socket to TCP stream */
 445   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 446   server->tcp_op =
 447     silc_socket_tcp_stream_create(fd, TRUE, FALSE,
 448                                   silc_client->schedule,
 449                                   sig_connected_stream_created, server);
 450 }
 451
 452 static void sig_disconnected(SILC_SERVER_REC *server)
 453 {
 454   if (!IS_SILC_SERVER(server))
 455     return;
 456
 457   silc_dlist_uninit(server->ftp_sessions);
 458
 459   if (server->conn) {
 460     /* Close connection */
 461     silc_client_close_connection(silc_client, server->conn);
 462   } else if (server->op) {
 463     /* Abort on going connecting (key exchange) */
 464     silc_async_abort(server->op, NULL, NULL);
 465     server->op = NULL;
 466   } else if (server->tcp_op) {
 467     /* Abort on going TCP stream creation */
 468     silc_async_abort(server->tcp_op, NULL, NULL);
 469     server->tcp_op = NULL;
 470   }
 471
 472   /* SILC closes the handle */
 473   g_io_channel_unref(net_sendbuffer_handle(server->handle));
 474   net_sendbuffer_destroy(server->handle, FALSE);
 475   server->handle = NULL;
 476 }
 477
 478 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 479 {
 480   SILC_SERVER_REC *server;
 481
 482   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 483   if (conn->address == NULL || *conn->address == '\0')
 484     return NULL;
 485   if (conn->nick == NULL || *conn->nick == '\0') {
 486     silc_say_error("Cannot connect: nickname is not set");
 487     return NULL;
 488   }
 489
 490   server = g_new0(SILC_SERVER_REC, 1);
 491   server->chat_type = SILC_PROTOCOL;
 492   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 493   server_connect_ref(conn);
 494
 495   if (server->connrec->port <= 0)
 496     server->connrec->port = 706;
 497
 498   server_connect_init((SERVER_REC *)server);
 499   return (SERVER_REC *)server;
 500 }
 501
 502 void silc_server_connect(SERVER_REC *server)
 503 {
 504   if (!server_start_connect(server)) {
 505     server_connect_unref(server->connrec);
 506     g_free(server);
 507     return;
 508   }
 509 }
 510
 511 /* Return a string of all channels in server in server->channels_join()
 512    format */
 513
 514 char *silc_server_get_channels(SILC_SERVER_REC *server)
 515 {
 516   GSList *tmp;
 517   GString *chans;
 518   char *ret;
 519
 520   g_return_val_if_fail(server != NULL, FALSE);
 521
 522   chans = g_string_new(NULL);
 523   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 524     CHANNEL_REC *channel = tmp->data;
 525     CHANNEL_SETUP_REC *schannel;
 526
 527     if ((schannel = channel_setup_find(channel->name, server->connrec->chatnet)) &&
 528         schannel->password)
 529       g_string_sprintfa(chans, "%s %s,", channel->name,
 530                         schannel->password);
 531     else
 532       g_string_sprintfa(chans, "%s,", channel->name);
 533   }
 534
 535   if (chans->len > 0)
 536     g_string_truncate(chans, chans->len-1);
 537
 538   ret = chans->str;
 539   g_string_free(chans, FALSE);
 540
 541   return ret;
 542 }
 543
 544 /* Syntaxes of all SILC commands for HELP files (the help file generation
 545    will snoop these from here). */
 546
 547 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 548 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 549 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 550 /* SYNTAX: GETKEY <nickname or server name> */
 551 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 552 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 553 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 554 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 555 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 556 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 557 /* SYNTAX: OPER <username> [-pubkey] */
 558 /* SYNTAX: SILCOPER <username> [-pubkey] */
 559 /* SYNTAX: TOPIC <channel> [<topic>] */
 560 /* SYNTAX: UMODE +|-<modes> */
 561 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 562 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 563 /* SYNTAX: CLOSE <server> [<port>] */
 564 /* SYNTAX: MOTD [<server>] */
 565 /* SYNTAX: LIST [<channel>] */
 566 /* SYNTAX: ME <message> */
 567 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 568 /* SYNTAX: AWAY [<message>] */
 569 /* SYNTAX: INFO [<server>] */
 570 /* SYNTAX: NICK <nickname> */
 571 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 572 /* SYNTAX: PART [<channel>] */
 573 /* SYNTAX: PING */
 574 /* SYNTAX: USERS <channel> */
 575 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 576 /* SYNTAX: FILE ACCEPT [<nickname>] */
 577 /* SYNTAX: FILE CLOSE [<nickname>] */
 578 /* SYNTAX: FILE */
 579 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 580 /* SYNTAX: DETACH */
 581 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 582 /* SYNTAX: STATS */
 583 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 584 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 585 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 586
 587 void silc_command_exec(SILC_SERVER_REC *server,
 588                        const char *command, const char *args)
 589 {
 590   char *data;
 591   g_return_if_fail(server != NULL);
 592
 593   /* Call the command */
 594   data = g_strconcat(command, " ", args, NULL);
 595   silc_queue_command_call(silc_client, server->conn, data);
 596   g_free(data);
 597 }
 598
 599 /* Generic command function to call any SILC command directly. */
 600
 601 static void command_self(const char *data, SILC_SERVER_REC *server,
 602                          WI_ITEM_REC *item)
 603 {
 604   CMD_SILC_SERVER(server);
 605
 606   if (!IS_SILC_SERVER(server) || !server->connected) {
 607     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 608     return;
 609   }
 610
 611   if (IS_SILC_CHANNEL(item)) {
 612     SILC_CHANNEL_REC *chanrec;
 613     chanrec = silc_channel_find(server, item->visible_name);
 614     if (chanrec)
 615       server->conn->current_channel = chanrec->entry;
 616   }
 617
 618   silc_command_exec(server, current_command, data);
 619   signal_stop();
 620 }
 621
 622 /* SMSG command, to send digitally signed messages */
 623
 624 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 625                          WI_ITEM_REC *item)
 626 {
 627   GHashTable *optlist;
 628   char *target, *origtarget, *msg;
 629   void *free_arg;
 630   int free_ret, target_type;
 631
 632   g_return_if_fail(data != NULL);
 633   if (server == NULL || !server->connected)
 634     cmd_param_error(CMDERR_NOT_CONNECTED);
 635
 636   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 637                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 638                       "msg", &optlist, &target, &msg))
 639     return;
 640   if (*target == '\0' || *msg == '\0')
 641     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 642
 643   origtarget = target;
 644   free_ret = FALSE;
 645
 646   if (strcmp(target, "*") == 0) {
 647     if (item == NULL)
 648       cmd_param_error(CMDERR_NOT_JOINED);
 649
 650     target_type = IS_CHANNEL(item) ?
 651       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 652     target = (char *) window_item_get_target(item);
 653   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 654     target_type = SEND_TARGET_CHANNEL;
 655   } else {
 656     target_type = server_ischannel(SERVER(server), target) ?
 657       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 658   }
 659
 660   if (target != NULL) {
 661     char *message = NULL, *t = NULL;
 662     int len, result;
 663
 664     if (!silc_term_utf8()) {
 665       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 666       message = silc_calloc(len + 1, sizeof(*message));
 667       g_return_if_fail(message != NULL);
 668       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 669     }
 670
 671     if (target_type == SEND_TARGET_CHANNEL)
 672       result = silc_send_channel(server, target, message ? message : msg,
 673                                  SILC_MESSAGE_FLAG_UTF8 |
 674                                  SILC_MESSAGE_FLAG_SIGNED);
 675     else {
 676       if (!silc_term_utf8()) {
 677         len = silc_utf8_encoded_len(target, strlen(target),
 678                                     SILC_STRING_LOCALE);
 679         t = silc_calloc(len + 1, sizeof(*t));
 680         g_return_if_fail(t != NULL);
 681         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 682       }
 683       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 684                              message ? strlen(message) : strlen(msg),
 685                              SILC_MESSAGE_FLAG_UTF8 |
 686                              SILC_MESSAGE_FLAG_SIGNED);
 687     }
 688     silc_free(message);
 689     silc_free(t);
 690     if (!result)
 691       goto out;
 692   }
 693
 694   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 695               "message signed_own_public" : "message signed_own_private", 4,
 696               server, msg, target, origtarget);
 697 out:
 698   if (free_ret && target != NULL) g_free(target);
 699   cmd_params_free(free_arg);
 700 }
 701
 702 /* FILE command */
 703
 704 SILC_TASK_CALLBACK(silc_client_file_close_later)
 705 {
 706   FtpSession ftp = (FtpSession)context;
 707
 708   SILC_LOG_DEBUG(("Start"));
 709
 710   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 711   silc_free(ftp->filepath);
 712   silc_free(ftp);
 713 }
 714
 715 static void silc_client_file_monitor(SilcClient client,
 716                                      SilcClientConnection conn,
 717                                      SilcClientMonitorStatus status,
 718                                      SilcClientFileError error,
 719                                      SilcUInt64 offset,
 720                                      SilcUInt64 filesize,
 721                                      SilcClientEntry client_entry,
 722                                      SilcUInt32 session_id,
 723                                      const char *filepath,
 724                                      void *context)
 725 {
 726   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 727   FtpSession ftp;
 728   char fsize[32];
 729
 730   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 731     return;
 732
 733   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 734
 735   silc_dlist_start(server->ftp_sessions);
 736   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 737     if (ftp->session_id == session_id) {
 738       if (!ftp->filepath && filepath)
 739         ftp->filepath = strdup(filepath);
 740       break;
 741     }
 742   }
 743
 744   if (ftp == SILC_LIST_END)
 745     return;
 746
 747   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 748       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 749     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 750       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 751                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 752                          client_entry->nickname,
 753                          filepath ? filepath : "[N/A]");
 754     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 755       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 756                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 757                          client_entry->nickname);
 758     else
 759       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 760                          SILCTXT_FILE_ERROR, client_entry->nickname);
 761     silc_schedule_task_add_timeout(silc_client->schedule,
 762                                    silc_client_file_close_later, ftp,
 763                                    1, 0);
 764     silc_dlist_del(server->ftp_sessions, ftp);
 765     if (ftp == server->current_session) {
 766       server->current_session = NULL;
 767       silc_dlist_start(server->ftp_sessions);
 768       server->current_session = silc_dlist_get(server->ftp_sessions);
 769     }
 770   }
 771
 772   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 773     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 774                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 775   }
 776
 777   /* Save some transmission data */
 778   if (offset && filesize) {
 779     unsigned long delta = time(NULL) - ftp->starttime;
 780
 781     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 782     if (delta)
 783       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 784     else
 785       ftp->kps = (double)(offset + 1023) / (double)1024;
 786     ftp->offset = offset;
 787     ftp->filesize = filesize;
 788   }
 789
 790   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 791     if (offset == 0) {
 792       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 793                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 794                          client_entry->nickname);
 795       ftp->starttime = time(NULL);
 796     }
 797     if (offset == filesize) {
 798       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 799                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 800                          client_entry->nickname, ftp->kps);
 801       silc_schedule_task_add_timeout(silc_client->schedule,
 802                                      silc_client_file_close_later, ftp,
 803                                      1, 0);
 804       silc_dlist_del(server->ftp_sessions, ftp);
 805       if (ftp == server->current_session) {
 806         server->current_session = NULL;
 807         silc_dlist_start(server->ftp_sessions);
 808         server->current_session = silc_dlist_get(server->ftp_sessions);
 809       }
 810
 811     }
 812   }
 813
 814   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 815     if (offset == 0) {
 816       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 817                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 818                          client_entry->nickname);
 819       ftp->starttime = time(NULL);
 820     }
 821
 822     if (offset == filesize) {
 823       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 824                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 825                          client_entry->nickname, ftp->kps);
 826       silc_schedule_task_add_timeout(silc_client->schedule,
 827                                      silc_client_file_close_later, ftp,
 828                                      1, 0);
 829       silc_dlist_del(server->ftp_sessions, ftp);
 830       if (ftp == server->current_session) {
 831         server->current_session = NULL;
 832         silc_dlist_start(server->ftp_sessions);
 833         server->current_session = silc_dlist_get(server->ftp_sessions);
 834       }
 835
 836     }
 837   }
 838 }
 839
 840 typedef struct {
 841   SILC_SERVER_REC *server;
 842   char *data;
 843   char *nick;
 844   WI_ITEM_REC *item;
 845 } *FileGetClients;
 846
 847 static void silc_client_command_file_get_clients(SilcClient client,
 848                                                  SilcClientConnection conn,
 849                                                  SilcStatus status,
 850                                                  SilcDList clients,
 851                                                  void *context)
 852 {
 853   FileGetClients internal = (FileGetClients)context;
 854
 855   if (!clients) {
 856     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 857               "There was no such nickname: %s", internal->nick);
 858     silc_free(internal->data);
 859     silc_free(internal->nick);
 860     silc_free(internal);
 861     return;
 862   }
 863
 864   signal_emit("command file", 3, internal->data, internal->server,
 865               internal->item);
 866
 867   silc_free(internal->data);
 868   silc_free(internal->nick);
 869   silc_free(internal);
 870 }
 871
 872 static void command_file(const char *data, SILC_SERVER_REC *server,
 873                          WI_ITEM_REC *item)
 874 {
 875   SilcClientConnection conn;
 876   SilcClientEntry client_entry;
 877   SilcDList entries;
 878   SilcClientFileError ret;
 879   char *nickname = NULL, *tmp;
 880   unsigned char **argv;
 881   SilcUInt32 argc;
 882   SilcUInt32 *argv_lens, *argv_types;
 883   int type = 0;
 884   FtpSession ftp;
 885   char *local_ip = NULL;
 886   SilcUInt32 local_port = 0;
 887   SilcUInt32 session_id;
 888   bool do_not_bind = FALSE;
 889   SilcClientConnectionParams params;
 890
 891   CMD_SILC_SERVER(server);
 892   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 893     cmd_return_error(CMDERR_NOT_CONNECTED);
 894
 895   conn = server->conn;
 896
 897   /* Now parse all arguments */
 898   tmp = g_strconcat("FILE", " ", data, NULL);
 899   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 900   g_free(tmp);
 901
 902   if (argc == 1)
 903     type = 4;
 904
 905   if (argc >= 2) {
 906     if (!strcasecmp(argv[1], "send"))
 907       type = 1;
 908     if (!strcasecmp(argv[1], "accept"))
 909       type = 2;
 910     if (!strcasecmp(argv[1], "close"))
 911       type = 3;
 912   }
 913
 914   if (type == 0)
 915     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 916
 917   switch (type) {
 918   case 1:
 919     if (argc < 4)
 920       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 921
 922     /* Parse the typed nickname. */
 923     silc_client_nickname_parse(silc_client, conn, argv[3], &nickname);
 924     if (!nickname)
 925       nickname = strdup(argv[3]);
 926
 927     /* Find client entry */
 928     entries = silc_client_get_clients_local(silc_client, conn, argv[3], FALSE);
 929     if (!entries) {
 930       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 931       inter->server = server;
 932       inter->data = strdup(data);
 933       inter->nick = strdup(nickname);
 934       inter->item = item;
 935       silc_client_get_clients(silc_client, conn, nickname, NULL,
 936                               silc_client_command_file_get_clients, inter);
 937       goto out;
 938     }
 939     silc_dlist_start(entries);
 940     client_entry = silc_dlist_get(entries);
 941
 942     if (argc >= 5) {
 943       if (!strcasecmp(argv[4], "-no-listener"))
 944         do_not_bind = TRUE;
 945       else
 946         local_ip = argv[4];
 947     }
 948     if (argc >= 6) {
 949       if (!strcasecmp(argv[5], "-no-listener"))
 950         do_not_bind = TRUE;
 951       else
 952         local_port = atoi(argv[5]);
 953     }
 954     if (argc >= 7) {
 955       if (!strcasecmp(argv[6], "-no-listener"))
 956         do_not_bind = TRUE;
 957     }
 958
 959     memset(&params, 0, sizeof(params));
 960     if (!do_not_bind) {
 961       if (local_ip)
 962         params.local_ip = strdup(local_ip);
 963       params.local_port = local_port;
 964       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 965         params.local_ip = (char *)settings_get_str("auto_public_ip");
 966         if ((params.local_ip) && (*params.local_ip == '\0')) {
 967           params.local_ip = silc_net_localip();
 968         } else {
 969           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 970           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 971             params.bind_ip = NULL;
 972           params.local_port = settings_get_int("auto_bind_port");
 973         }
 974       }
 975       if (!params.local_ip)
 976         params.local_ip = silc_net_localip();
 977     }
 978     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 979
 980     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
 981                                 irssi_pubkey, irssi_privkey,
 982                                 silc_client_file_monitor, server, argv[2],
 983                                 &session_id);
 984     if (ret == SILC_CLIENT_FILE_OK) {
 985       ftp = silc_calloc(1, sizeof(*ftp));
 986       ftp->session_id = session_id;
 987
 988       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 989                          SILCTXT_FILE_SEND, client_entry->nickname,
 990                          argv[2]);
 991
 992       ftp->client_entry = client_entry;
 993       ftp->filepath = strdup(argv[2]);
 994       ftp->conn = conn;
 995       ftp->send = TRUE;
 996       silc_dlist_add(server->ftp_sessions, ftp);
 997       server->current_session = ftp;
 998     } else {
 999       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1000         printformat_module("fe-common/silc", server, NULL,
1001                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1002                            client_entry->nickname);
1003       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1004         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1005                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1006                            client_entry->nickname, argv[2]);
1007     }
1008
1009     silc_client_list_free(silc_client, server->conn, entries);
1010     break;
1011
1012   case 2:
1013     /* Parse the typed nickname. */
1014     if (argc >= 3) {
1015       /* Parse the typed nickname. */
1016       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1017       if (!nickname)
1018         nickname = strdup(argv[2]);
1019
1020       /* Find client entry */
1021       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1022                                               FALSE);
1023       if (!entries) {
1024         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1025         inter->server = server;
1026         inter->data = strdup(data);
1027         inter->nick = strdup(nickname);
1028         inter->item = item;
1029         silc_client_get_clients(silc_client, conn, nickname, NULL,
1030                                 silc_client_command_file_get_clients, inter);
1031         goto out;
1032       }
1033       silc_dlist_start(entries);
1034       client_entry = silc_dlist_get(entries);
1035       silc_client_list_free(silc_client, server->conn, entries);
1036     } else {
1037       if (!server->current_session) {
1038         printformat_module("fe-common/silc", server, NULL,
1039                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1040         goto out;
1041       }
1042
1043       memset(&params, 0, sizeof(params));
1044       if (settings_get_bool("use_auto_addr")) {
1045         params.local_ip = (char *)settings_get_str("auto_public_ip");
1046         if ((params.local_ip) && (*params.local_ip == '\0')) {
1047           params.local_ip = silc_net_localip();
1048         } else {
1049           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1050           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1051             params.bind_ip = NULL;
1052           params.local_port = settings_get_int("auto_bind_port");
1053         }
1054       }
1055       if (!params.local_ip)
1056         params.local_ip = silc_net_localip();
1057       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1058
1059       ret = silc_client_file_receive(silc_client, conn, &params,
1060                                      irssi_pubkey, irssi_privkey,
1061                                      silc_client_file_monitor, server, NULL,
1062                                      server->current_session->session_id,
1063                                      NULL, NULL);
1064       if (ret != SILC_CLIENT_FILE_OK) {
1065         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1066           printformat_module("fe-common/silc", server, NULL,
1067                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1068                              server->current_session->client_entry->nickname);
1069         else {
1070           printformat_module("fe-common/silc", server, NULL,
1071                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1072                              server->current_session->client_entry->nickname);
1073
1074           silc_client_file_close(silc_client, conn,
1075                                  server->current_session->session_id);
1076           silc_dlist_del(server->ftp_sessions, server->current_session);
1077           silc_free(server->current_session->filepath);
1078           silc_free(server->current_session);
1079           server->current_session = NULL;
1080
1081           silc_dlist_start(server->ftp_sessions);
1082           server->current_session = silc_dlist_get(server->ftp_sessions);
1083         }
1084       }
1085
1086       goto out;
1087     }
1088
1089     silc_dlist_start(server->ftp_sessions);
1090     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1091       if (ftp->client_entry == client_entry && !ftp->filepath) {
1092         memset(&params, 0, sizeof(params));
1093         if (settings_get_bool("use_auto_addr")) {
1094           params.local_ip = (char *)settings_get_str("auto_public_ip");
1095           if ((params.local_ip) && (*params.local_ip == '\0')) {
1096             params.local_ip = silc_net_localip();
1097           } else {
1098             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1099             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1100               params.bind_ip = NULL;
1101             params.local_port = settings_get_int("auto_bind_port");
1102           }
1103         }
1104         if (!params.local_ip)
1105           params.local_ip = silc_net_localip();
1106         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1107
1108         ret = silc_client_file_receive(silc_client, conn, &params,
1109                                        irssi_pubkey, irssi_privkey,
1110                                        silc_client_file_monitor, server,
1111                                        NULL, ftp->session_id, NULL, NULL);
1112         if (ret != SILC_CLIENT_FILE_OK) {
1113           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1114             printformat_module("fe-common/silc", server, NULL,
1115                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1116                                client_entry->nickname);
1117           else {
1118             printformat_module("fe-common/silc", server, NULL,
1119                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1120                                client_entry->nickname);
1121             silc_client_file_close(silc_client, conn, ftp->session_id);
1122             silc_dlist_del(server->ftp_sessions, ftp);
1123             if (ftp == server->current_session) {
1124               server->current_session = NULL;
1125               silc_dlist_start(server->ftp_sessions);
1126               server->current_session = silc_dlist_get(server->ftp_sessions);
1127             }
1128             silc_free(ftp->filepath);
1129             silc_free(ftp);
1130           }
1131         }
1132         break;
1133       }
1134     }
1135
1136     if (ftp == SILC_LIST_END) {
1137       printformat_module("fe-common/silc", server, NULL,
1138                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1139                          client_entry->nickname);
1140       goto out;
1141     }
1142     break;
1143
1144   case 3:
1145     /* Parse the typed nickname. */
1146     if (argc >= 3) {
1147       /* Parse the typed nickname. */
1148       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1149       if (!nickname)
1150         nickname = strdup(argv[2]);
1151
1152       /* Find client entry */
1153       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1154                                               FALSE);
1155       if (!entries) {
1156         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1157         inter->server = server;
1158         inter->data = strdup(data);
1159         inter->nick = strdup(nickname);
1160         inter->item = item;
1161         silc_client_get_clients(silc_client, conn, nickname, NULL,
1162                                 silc_client_command_file_get_clients, inter);
1163         goto out;
1164       }
1165       silc_dlist_start(entries);
1166       client_entry = silc_dlist_get(entries);
1167       silc_client_list_free(silc_client, server->conn, entries);
1168     } else {
1169       if (!server->current_session) {
1170         printformat_module("fe-common/silc", server, NULL,
1171                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1172         goto out;
1173       }
1174
1175       silc_client_file_close(silc_client, conn,
1176                              server->current_session->session_id);
1177       printformat_module("fe-common/silc", server, NULL,
1178                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1179                          server->current_session->client_entry->nickname,
1180                          server->current_session->filepath ?
1181                          server->current_session->filepath : "[N/A]");
1182       silc_dlist_del(server->ftp_sessions, server->current_session);
1183       silc_free(server->current_session->filepath);
1184       silc_free(server->current_session);
1185       server->current_session = NULL;
1186
1187       silc_dlist_start(server->ftp_sessions);
1188       server->current_session = silc_dlist_get(server->ftp_sessions);
1189       goto out;
1190     }
1191
1192     silc_dlist_start(server->ftp_sessions);
1193     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1194       if (ftp->client_entry == client_entry) {
1195         silc_client_file_close(silc_client, conn, ftp->session_id);
1196         printformat_module("fe-common/silc", server, NULL,
1197                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1198                            client_entry->nickname,
1199                            ftp->filepath ? ftp->filepath : "[N/A]");
1200         silc_dlist_del(server->ftp_sessions, ftp);
1201         if (ftp == server->current_session) {
1202           server->current_session = NULL;
1203           silc_dlist_start(server->ftp_sessions);
1204           server->current_session = silc_dlist_get(server->ftp_sessions);
1205         }
1206         silc_free(ftp->filepath);
1207         silc_free(ftp);
1208         break;
1209       }
1210     }
1211
1212     if (ftp == SILC_LIST_END) {
1213       printformat_module("fe-common/silc", server, NULL,
1214                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1215                          client_entry->nickname);
1216       goto out;
1217     }
1218     break;
1219
1220   case 4:
1221
1222     if (!silc_dlist_count(server->ftp_sessions)) {
1223       printformat_module("fe-common/silc", server, NULL,
1224                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1225       goto out;
1226     }
1227
1228     printformat_module("fe-common/silc", server, NULL,
1229                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1230
1231     silc_dlist_start(server->ftp_sessions);
1232     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1233       printformat_module("fe-common/silc", server, NULL,
1234                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1235                          ftp->client_entry->nickname,
1236                          ftp->session_id,
1237                          ftp->send ? "send" : "receive",
1238                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1239                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1240                          ftp->percent, ftp->kps,
1241                          ftp->filepath ? ftp->filepath : "[N/A]");
1242     }
1243
1244     break;
1245
1246   default:
1247     break;
1248   }
1249
1250  out:
1251   silc_free(nickname);
1252   return;
1253 }
1254
1255 void silc_server_init(void)
1256 {
1257   silc_servers_reconnect_init();
1258
1259   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1260   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1261   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1262   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1263   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1264   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1265   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1266   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1267   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1268   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1269   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1270   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1271   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1272   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1273   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1274   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1275   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1276   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1277   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1278   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1279   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1280   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1281   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1282   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1283   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1284   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1285   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1286   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1287   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1288
1289   command_set_options("connect", "+silcnet");
1290 }
1291
1292 void silc_server_deinit(void)
1293 {
1294   silc_servers_reconnect_deinit();
1295
1296   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1297   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1298   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1299   command_unbind("whois", (SIGNAL_FUNC) command_self);
1300   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1301   command_unbind("nick", (SIGNAL_FUNC) command_self);
1302   command_unbind("topic", (SIGNAL_FUNC) command_self);
1303   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1304   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1305   command_unbind("users", (SIGNAL_FUNC) command_self);
1306   command_unbind("list", (SIGNAL_FUNC) command_self);
1307   command_unbind("oper", (SIGNAL_FUNC) command_self);
1308   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1309   command_unbind("umode", (SIGNAL_FUNC) command_self);
1310   command_unbind("invite", (SIGNAL_FUNC) command_self);
1311   command_unbind("kill", (SIGNAL_FUNC) command_self);
1312   command_unbind("kick", (SIGNAL_FUNC) command_self);
1313   command_unbind("info", (SIGNAL_FUNC) command_self);
1314   command_unbind("ping", (SIGNAL_FUNC) command_self);
1315   command_unbind("motd", (SIGNAL_FUNC) command_self);
1316   command_unbind("ban", (SIGNAL_FUNC) command_self);
1317   command_unbind("close", (SIGNAL_FUNC) command_self);
1318   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1319   command_unbind("file", (SIGNAL_FUNC) command_file);
1320   command_unbind("detach", (SIGNAL_FUNC) command_self);
1321   command_unbind("watch", (SIGNAL_FUNC) command_self);
1322   command_unbind("stats", (SIGNAL_FUNC) command_self);
1323   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1324   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1325 }
1326
1327 void silc_server_free_ftp(SILC_SERVER_REC *server,
1328                           SilcClientEntry client_entry)
1329 {
1330   FtpSession ftp;
1331
1332   silc_dlist_start(server->ftp_sessions);
1333   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1334     if (ftp->client_entry == client_entry) {
1335       silc_dlist_del(server->ftp_sessions, ftp);
1336       silc_free(ftp->filepath);
1337       silc_free(ftp);
1338     }
1339   }
1340 }
1341
1342 bool silc_term_utf8(void)
1343 {
1344   const char *str;
1345   str = settings_get_str("term_charset");
1346   if (str)
1347     if (g_strcasecmp(str, "utf-8") == 0)
1348       return TRUE;
1349   return FALSE;
1350 }