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   if (server->handle) {
 474     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 475     net_sendbuffer_destroy(server->handle, FALSE);
 476     server->handle = NULL;
 477   }
 478 }
 479
 480 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 481 {
 482   SILC_SERVER_REC *server;
 483
 484   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 485   if (conn->address == NULL || *conn->address == '\0')
 486     return NULL;
 487   if (conn->nick == NULL || *conn->nick == '\0') {
 488     silc_say_error("Cannot connect: nickname is not set");
 489     return NULL;
 490   }
 491
 492   server = g_new0(SILC_SERVER_REC, 1);
 493   server->chat_type = SILC_PROTOCOL;
 494   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 495   server_connect_ref(conn);
 496
 497   if (server->connrec->port <= 0)
 498     server->connrec->port = 706;
 499
 500   server_connect_init((SERVER_REC *)server);
 501   return (SERVER_REC *)server;
 502 }
 503
 504 void silc_server_connect(SERVER_REC *server)
 505 {
 506   if (!server_start_connect(server)) {
 507     server_connect_unref(server->connrec);
 508     g_free(server);
 509     return;
 510   }
 511 }
 512
 513 /* Return a string of all channels in server in server->channels_join()
 514    format */
 515
 516 char *silc_server_get_channels(SILC_SERVER_REC *server)
 517 {
 518   GSList *tmp;
 519   GString *chans;
 520   char *ret;
 521
 522   g_return_val_if_fail(server != NULL, FALSE);
 523
 524   chans = g_string_new(NULL);
 525   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 526     CHANNEL_REC *channel = tmp->data;
 527     CHANNEL_SETUP_REC *schannel;
 528
 529     if ((schannel = channel_setup_find(channel->name, server->connrec->chatnet)) &&
 530         schannel->password)
 531       g_string_sprintfa(chans, "%s %s,", channel->name,
 532                         schannel->password);
 533     else
 534       g_string_sprintfa(chans, "%s,", channel->name);
 535   }
 536
 537   if (chans->len > 0)
 538     g_string_truncate(chans, chans->len-1);
 539
 540   ret = chans->str;
 541   g_string_free(chans, FALSE);
 542
 543   return ret;
 544 }
 545
 546 /* Syntaxes of all SILC commands for HELP files (the help file generation
 547    will snoop these from here). */
 548
 549 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 550 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 551 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 552 /* SYNTAX: GETKEY <nickname or server name> */
 553 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 554 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 555 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 556 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 557 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 558 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 559 /* SYNTAX: OPER <username> [-pubkey] */
 560 /* SYNTAX: SILCOPER <username> [-pubkey] */
 561 /* SYNTAX: TOPIC <channel> [<topic>] */
 562 /* SYNTAX: UMODE +|-<modes> */
 563 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 564 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 565 /* SYNTAX: CLOSE <server> [<port>] */
 566 /* SYNTAX: MOTD [<server>] */
 567 /* SYNTAX: LIST [<channel>] */
 568 /* SYNTAX: ME <message> */
 569 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 570 /* SYNTAX: AWAY [<message>] */
 571 /* SYNTAX: INFO [<server>] */
 572 /* SYNTAX: NICK <nickname> */
 573 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 574 /* SYNTAX: PART [<channel>] */
 575 /* SYNTAX: PING */
 576 /* SYNTAX: USERS <channel> */
 577 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 578 /* SYNTAX: FILE ACCEPT [<nickname>] */
 579 /* SYNTAX: FILE CLOSE [<nickname>] */
 580 /* SYNTAX: FILE */
 581 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 582 /* SYNTAX: DETACH */
 583 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 584 /* SYNTAX: STATS */
 585 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 586 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 587 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 588
 589 void silc_command_exec(SILC_SERVER_REC *server,
 590                        const char *command, const char *args)
 591 {
 592   char *data;
 593   g_return_if_fail(server != NULL);
 594
 595   /* Call the command */
 596   data = g_strconcat(command, " ", args, NULL);
 597   silc_queue_command_call(silc_client, server->conn, data);
 598   g_free(data);
 599 }
 600
 601 /* Generic command function to call any SILC command directly. */
 602
 603 static void command_self(const char *data, SILC_SERVER_REC *server,
 604                          WI_ITEM_REC *item)
 605 {
 606   CMD_SILC_SERVER(server);
 607
 608   if (!IS_SILC_SERVER(server) || !server->connected) {
 609     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 610     return;
 611   }
 612
 613   if (IS_SILC_CHANNEL(item)) {
 614     SILC_CHANNEL_REC *chanrec;
 615     chanrec = silc_channel_find(server, item->visible_name);
 616     if (chanrec)
 617       server->conn->current_channel = chanrec->entry;
 618   }
 619
 620   silc_command_exec(server, current_command, data);
 621   signal_stop();
 622 }
 623
 624 /* SMSG command, to send digitally signed messages */
 625
 626 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 627                          WI_ITEM_REC *item)
 628 {
 629   GHashTable *optlist;
 630   char *target, *origtarget, *msg;
 631   void *free_arg;
 632   int free_ret, target_type;
 633
 634   g_return_if_fail(data != NULL);
 635   if (server == NULL || !server->connected)
 636     cmd_param_error(CMDERR_NOT_CONNECTED);
 637
 638   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 639                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 640                       "msg", &optlist, &target, &msg))
 641     return;
 642   if (*target == '\0' || *msg == '\0')
 643     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 644
 645   origtarget = target;
 646   free_ret = FALSE;
 647
 648   if (strcmp(target, "*") == 0) {
 649     if (item == NULL)
 650       cmd_param_error(CMDERR_NOT_JOINED);
 651
 652     target_type = IS_CHANNEL(item) ?
 653       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 654     target = (char *) window_item_get_target(item);
 655   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 656     target_type = SEND_TARGET_CHANNEL;
 657   } else {
 658     target_type = server_ischannel(SERVER(server), target) ?
 659       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 660   }
 661
 662   if (target != NULL) {
 663     char *message = NULL, *t = NULL;
 664     int len, result;
 665
 666     if (!silc_term_utf8()) {
 667       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 668       message = silc_calloc(len + 1, sizeof(*message));
 669       g_return_if_fail(message != NULL);
 670       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 671     }
 672
 673     if (target_type == SEND_TARGET_CHANNEL)
 674       result = silc_send_channel(server, target, message ? message : msg,
 675                                  SILC_MESSAGE_FLAG_UTF8 |
 676                                  SILC_MESSAGE_FLAG_SIGNED);
 677     else {
 678       if (!silc_term_utf8()) {
 679         len = silc_utf8_encoded_len(target, strlen(target),
 680                                     SILC_STRING_LOCALE);
 681         t = silc_calloc(len + 1, sizeof(*t));
 682         g_return_if_fail(t != NULL);
 683         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 684       }
 685       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 686                              message ? strlen(message) : strlen(msg),
 687                              SILC_MESSAGE_FLAG_UTF8 |
 688                              SILC_MESSAGE_FLAG_SIGNED);
 689     }
 690     silc_free(message);
 691     silc_free(t);
 692     if (!result)
 693       goto out;
 694   }
 695
 696   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 697               "message signed_own_public" : "message signed_own_private", 4,
 698               server, msg, target, origtarget);
 699 out:
 700   if (free_ret && target != NULL) g_free(target);
 701   cmd_params_free(free_arg);
 702 }
 703
 704 /* FILE command */
 705
 706 SILC_TASK_CALLBACK(silc_client_file_close_later)
 707 {
 708   FtpSession ftp = (FtpSession)context;
 709
 710   SILC_LOG_DEBUG(("Start"));
 711
 712   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 713   silc_free(ftp->filepath);
 714   silc_free(ftp);
 715 }
 716
 717 static void silc_client_file_monitor(SilcClient client,
 718                                      SilcClientConnection conn,
 719                                      SilcClientMonitorStatus status,
 720                                      SilcClientFileError error,
 721                                      SilcUInt64 offset,
 722                                      SilcUInt64 filesize,
 723                                      SilcClientEntry client_entry,
 724                                      SilcUInt32 session_id,
 725                                      const char *filepath,
 726                                      void *context)
 727 {
 728   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 729   FtpSession ftp;
 730   char fsize[32];
 731
 732   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 733     return;
 734
 735   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 736
 737   silc_dlist_start(server->ftp_sessions);
 738   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 739     if (ftp->session_id == session_id) {
 740       if (!ftp->filepath && filepath)
 741         ftp->filepath = strdup(filepath);
 742       break;
 743     }
 744   }
 745
 746   if (ftp == SILC_LIST_END)
 747     return;
 748
 749   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 750       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 751     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 752       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 753                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 754                          client_entry->nickname,
 755                          filepath ? filepath : "[N/A]");
 756     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 757       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 758                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 759                          client_entry->nickname);
 760     else
 761       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 762                          SILCTXT_FILE_ERROR, client_entry->nickname);
 763     silc_schedule_task_add_timeout(silc_client->schedule,
 764                                    silc_client_file_close_later, ftp,
 765                                    1, 0);
 766     silc_dlist_del(server->ftp_sessions, ftp);
 767     if (ftp == server->current_session) {
 768       server->current_session = NULL;
 769       silc_dlist_start(server->ftp_sessions);
 770       server->current_session = silc_dlist_get(server->ftp_sessions);
 771     }
 772   }
 773
 774   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 775     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 776                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 777   }
 778
 779   /* Save some transmission data */
 780   if (offset && filesize) {
 781     unsigned long delta = time(NULL) - ftp->starttime;
 782
 783     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 784     if (delta)
 785       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 786     else
 787       ftp->kps = (double)(offset + 1023) / (double)1024;
 788     ftp->offset = offset;
 789     ftp->filesize = filesize;
 790   }
 791
 792   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 793     if (offset == 0) {
 794       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 795                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 796                          client_entry->nickname);
 797       ftp->starttime = time(NULL);
 798     }
 799     if (offset == filesize) {
 800       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 801                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 802                          client_entry->nickname, ftp->kps);
 803       silc_schedule_task_add_timeout(silc_client->schedule,
 804                                      silc_client_file_close_later, ftp,
 805                                      1, 0);
 806       silc_dlist_del(server->ftp_sessions, ftp);
 807       if (ftp == server->current_session) {
 808         server->current_session = NULL;
 809         silc_dlist_start(server->ftp_sessions);
 810         server->current_session = silc_dlist_get(server->ftp_sessions);
 811       }
 812
 813     }
 814   }
 815
 816   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 817     if (offset == 0) {
 818       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 819                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 820                          client_entry->nickname);
 821       ftp->starttime = time(NULL);
 822     }
 823
 824     if (offset == filesize) {
 825       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 826                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 827                          client_entry->nickname, ftp->kps);
 828       silc_schedule_task_add_timeout(silc_client->schedule,
 829                                      silc_client_file_close_later, ftp,
 830                                      1, 0);
 831       silc_dlist_del(server->ftp_sessions, ftp);
 832       if (ftp == server->current_session) {
 833         server->current_session = NULL;
 834         silc_dlist_start(server->ftp_sessions);
 835         server->current_session = silc_dlist_get(server->ftp_sessions);
 836       }
 837
 838     }
 839   }
 840 }
 841
 842 typedef struct {
 843   SILC_SERVER_REC *server;
 844   char *data;
 845   char *nick;
 846   WI_ITEM_REC *item;
 847 } *FileGetClients;
 848
 849 static void silc_client_command_file_get_clients(SilcClient client,
 850                                                  SilcClientConnection conn,
 851                                                  SilcStatus status,
 852                                                  SilcDList clients,
 853                                                  void *context)
 854 {
 855   FileGetClients internal = (FileGetClients)context;
 856
 857   if (!clients) {
 858     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 859               "There was no such nickname: %s", internal->nick);
 860     silc_free(internal->data);
 861     silc_free(internal->nick);
 862     silc_free(internal);
 863     return;
 864   }
 865
 866   signal_emit("command file", 3, internal->data, internal->server,
 867               internal->item);
 868
 869   silc_free(internal->data);
 870   silc_free(internal->nick);
 871   silc_free(internal);
 872 }
 873
 874 static void command_file(const char *data, SILC_SERVER_REC *server,
 875                          WI_ITEM_REC *item)
 876 {
 877   SilcClientConnection conn;
 878   SilcClientEntry client_entry;
 879   SilcDList entries;
 880   SilcClientFileError ret;
 881   char *nickname = NULL, *tmp;
 882   unsigned char **argv;
 883   SilcUInt32 argc;
 884   SilcUInt32 *argv_lens, *argv_types;
 885   int type = 0;
 886   FtpSession ftp;
 887   char *local_ip = NULL;
 888   SilcUInt32 local_port = 0;
 889   SilcUInt32 session_id;
 890   bool do_not_bind = FALSE;
 891   SilcClientConnectionParams params;
 892
 893   CMD_SILC_SERVER(server);
 894   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 895     cmd_return_error(CMDERR_NOT_CONNECTED);
 896
 897   conn = server->conn;
 898
 899   /* Now parse all arguments */
 900   tmp = g_strconcat("FILE", " ", data, NULL);
 901   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 902   g_free(tmp);
 903
 904   if (argc == 1)
 905     type = 4;
 906
 907   if (argc >= 2) {
 908     if (!strcasecmp(argv[1], "send"))
 909       type = 1;
 910     if (!strcasecmp(argv[1], "accept"))
 911       type = 2;
 912     if (!strcasecmp(argv[1], "close"))
 913       type = 3;
 914   }
 915
 916   if (type == 0)
 917     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 918
 919   switch (type) {
 920   case 1:
 921     if (argc < 4)
 922       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 923
 924     /* Parse the typed nickname. */
 925     silc_client_nickname_parse(silc_client, conn, argv[3], &nickname);
 926     if (!nickname)
 927       nickname = strdup(argv[3]);
 928
 929     /* Find client entry */
 930     entries = silc_client_get_clients_local(silc_client, conn, argv[3], FALSE);
 931     if (!entries) {
 932       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 933       inter->server = server;
 934       inter->data = strdup(data);
 935       inter->nick = strdup(nickname);
 936       inter->item = item;
 937       silc_client_get_clients(silc_client, conn, nickname, NULL,
 938                               silc_client_command_file_get_clients, inter);
 939       goto out;
 940     }
 941     silc_dlist_start(entries);
 942     client_entry = silc_dlist_get(entries);
 943
 944     if (argc >= 5) {
 945       if (!strcasecmp(argv[4], "-no-listener"))
 946         do_not_bind = TRUE;
 947       else
 948         local_ip = argv[4];
 949     }
 950     if (argc >= 6) {
 951       if (!strcasecmp(argv[5], "-no-listener"))
 952         do_not_bind = TRUE;
 953       else
 954         local_port = atoi(argv[5]);
 955     }
 956     if (argc >= 7) {
 957       if (!strcasecmp(argv[6], "-no-listener"))
 958         do_not_bind = TRUE;
 959     }
 960
 961     memset(&params, 0, sizeof(params));
 962     if (!do_not_bind) {
 963       if (local_ip)
 964         params.local_ip = strdup(local_ip);
 965       params.local_port = local_port;
 966       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 967         params.local_ip = (char *)settings_get_str("auto_public_ip");
 968         if ((params.local_ip) && (*params.local_ip == '\0')) {
 969           params.local_ip = silc_net_localip();
 970         } else {
 971           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 972           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 973             params.bind_ip = NULL;
 974           params.local_port = settings_get_int("auto_bind_port");
 975         }
 976       }
 977       if (!params.local_ip)
 978         params.local_ip = silc_net_localip();
 979     }
 980     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 981
 982     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
 983                                 irssi_pubkey, irssi_privkey,
 984                                 silc_client_file_monitor, server, argv[2],
 985                                 &session_id);
 986     if (ret == SILC_CLIENT_FILE_OK) {
 987       ftp = silc_calloc(1, sizeof(*ftp));
 988       ftp->session_id = session_id;
 989
 990       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 991                          SILCTXT_FILE_SEND, client_entry->nickname,
 992                          argv[2]);
 993
 994       ftp->client_entry = client_entry;
 995       ftp->filepath = strdup(argv[2]);
 996       ftp->conn = conn;
 997       ftp->send = TRUE;
 998       silc_dlist_add(server->ftp_sessions, ftp);
 999       server->current_session = ftp;
1000     } else {
1001       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1002         printformat_module("fe-common/silc", server, NULL,
1003                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1004                            client_entry->nickname);
1005       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1006         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1007                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1008                            client_entry->nickname, argv[2]);
1009     }
1010
1011     silc_client_list_free(silc_client, server->conn, entries);
1012     break;
1013
1014   case 2:
1015     /* Parse the typed nickname. */
1016     if (argc >= 3) {
1017       /* Parse the typed nickname. */
1018       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1019       if (!nickname)
1020         nickname = strdup(argv[2]);
1021
1022       /* Find client entry */
1023       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1024                                               FALSE);
1025       if (!entries) {
1026         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1027         inter->server = server;
1028         inter->data = strdup(data);
1029         inter->nick = strdup(nickname);
1030         inter->item = item;
1031         silc_client_get_clients(silc_client, conn, nickname, NULL,
1032                                 silc_client_command_file_get_clients, inter);
1033         goto out;
1034       }
1035       silc_dlist_start(entries);
1036       client_entry = silc_dlist_get(entries);
1037       silc_client_list_free(silc_client, server->conn, entries);
1038     } else {
1039       if (!server->current_session) {
1040         printformat_module("fe-common/silc", server, NULL,
1041                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1042         goto out;
1043       }
1044
1045       memset(&params, 0, sizeof(params));
1046       if (settings_get_bool("use_auto_addr")) {
1047         params.local_ip = (char *)settings_get_str("auto_public_ip");
1048         if ((params.local_ip) && (*params.local_ip == '\0')) {
1049           params.local_ip = silc_net_localip();
1050         } else {
1051           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1052           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1053             params.bind_ip = NULL;
1054           params.local_port = settings_get_int("auto_bind_port");
1055         }
1056       }
1057       if (!params.local_ip)
1058         params.local_ip = silc_net_localip();
1059       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1060
1061       ret = silc_client_file_receive(silc_client, conn, &params,
1062                                      irssi_pubkey, irssi_privkey,
1063                                      silc_client_file_monitor, server, NULL,
1064                                      server->current_session->session_id,
1065                                      NULL, NULL);
1066       if (ret != SILC_CLIENT_FILE_OK) {
1067         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1068           printformat_module("fe-common/silc", server, NULL,
1069                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1070                              server->current_session->client_entry->nickname);
1071         else {
1072           printformat_module("fe-common/silc", server, NULL,
1073                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1074                              server->current_session->client_entry->nickname);
1075
1076           silc_client_file_close(silc_client, conn,
1077                                  server->current_session->session_id);
1078           silc_dlist_del(server->ftp_sessions, server->current_session);
1079           silc_free(server->current_session->filepath);
1080           silc_free(server->current_session);
1081           server->current_session = NULL;
1082
1083           silc_dlist_start(server->ftp_sessions);
1084           server->current_session = silc_dlist_get(server->ftp_sessions);
1085         }
1086       }
1087
1088       goto out;
1089     }
1090
1091     silc_dlist_start(server->ftp_sessions);
1092     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1093       if (ftp->client_entry == client_entry && !ftp->filepath) {
1094         memset(&params, 0, sizeof(params));
1095         if (settings_get_bool("use_auto_addr")) {
1096           params.local_ip = (char *)settings_get_str("auto_public_ip");
1097           if ((params.local_ip) && (*params.local_ip == '\0')) {
1098             params.local_ip = silc_net_localip();
1099           } else {
1100             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1101             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1102               params.bind_ip = NULL;
1103             params.local_port = settings_get_int("auto_bind_port");
1104           }
1105         }
1106         if (!params.local_ip)
1107           params.local_ip = silc_net_localip();
1108         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1109
1110         ret = silc_client_file_receive(silc_client, conn, &params,
1111                                        irssi_pubkey, irssi_privkey,
1112                                        silc_client_file_monitor, server,
1113                                        NULL, ftp->session_id, NULL, NULL);
1114         if (ret != SILC_CLIENT_FILE_OK) {
1115           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1116             printformat_module("fe-common/silc", server, NULL,
1117                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1118                                client_entry->nickname);
1119           else {
1120             printformat_module("fe-common/silc", server, NULL,
1121                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1122                                client_entry->nickname);
1123             silc_client_file_close(silc_client, conn, ftp->session_id);
1124             silc_dlist_del(server->ftp_sessions, ftp);
1125             if (ftp == server->current_session) {
1126               server->current_session = NULL;
1127               silc_dlist_start(server->ftp_sessions);
1128               server->current_session = silc_dlist_get(server->ftp_sessions);
1129             }
1130             silc_free(ftp->filepath);
1131             silc_free(ftp);
1132           }
1133         }
1134         break;
1135       }
1136     }
1137
1138     if (ftp == SILC_LIST_END) {
1139       printformat_module("fe-common/silc", server, NULL,
1140                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1141                          client_entry->nickname);
1142       goto out;
1143     }
1144     break;
1145
1146   case 3:
1147     /* Parse the typed nickname. */
1148     if (argc >= 3) {
1149       /* Parse the typed nickname. */
1150       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1151       if (!nickname)
1152         nickname = strdup(argv[2]);
1153
1154       /* Find client entry */
1155       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1156                                               FALSE);
1157       if (!entries) {
1158         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1159         inter->server = server;
1160         inter->data = strdup(data);
1161         inter->nick = strdup(nickname);
1162         inter->item = item;
1163         silc_client_get_clients(silc_client, conn, nickname, NULL,
1164                                 silc_client_command_file_get_clients, inter);
1165         goto out;
1166       }
1167       silc_dlist_start(entries);
1168       client_entry = silc_dlist_get(entries);
1169       silc_client_list_free(silc_client, server->conn, entries);
1170     } else {
1171       if (!server->current_session) {
1172         printformat_module("fe-common/silc", server, NULL,
1173                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1174         goto out;
1175       }
1176
1177       silc_client_file_close(silc_client, conn,
1178                              server->current_session->session_id);
1179       printformat_module("fe-common/silc", server, NULL,
1180                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1181                          server->current_session->client_entry->nickname,
1182                          server->current_session->filepath ?
1183                          server->current_session->filepath : "[N/A]");
1184       silc_dlist_del(server->ftp_sessions, server->current_session);
1185       silc_free(server->current_session->filepath);
1186       silc_free(server->current_session);
1187       server->current_session = NULL;
1188
1189       silc_dlist_start(server->ftp_sessions);
1190       server->current_session = silc_dlist_get(server->ftp_sessions);
1191       goto out;
1192     }
1193
1194     silc_dlist_start(server->ftp_sessions);
1195     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1196       if (ftp->client_entry == client_entry) {
1197         silc_client_file_close(silc_client, conn, ftp->session_id);
1198         printformat_module("fe-common/silc", server, NULL,
1199                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1200                            client_entry->nickname,
1201                            ftp->filepath ? ftp->filepath : "[N/A]");
1202         silc_dlist_del(server->ftp_sessions, ftp);
1203         if (ftp == server->current_session) {
1204           server->current_session = NULL;
1205           silc_dlist_start(server->ftp_sessions);
1206           server->current_session = silc_dlist_get(server->ftp_sessions);
1207         }
1208         silc_free(ftp->filepath);
1209         silc_free(ftp);
1210         break;
1211       }
1212     }
1213
1214     if (ftp == SILC_LIST_END) {
1215       printformat_module("fe-common/silc", server, NULL,
1216                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1217                          client_entry->nickname);
1218       goto out;
1219     }
1220     break;
1221
1222   case 4:
1223
1224     if (!silc_dlist_count(server->ftp_sessions)) {
1225       printformat_module("fe-common/silc", server, NULL,
1226                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1227       goto out;
1228     }
1229
1230     printformat_module("fe-common/silc", server, NULL,
1231                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1232
1233     silc_dlist_start(server->ftp_sessions);
1234     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1235       printformat_module("fe-common/silc", server, NULL,
1236                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1237                          ftp->client_entry->nickname,
1238                          ftp->session_id,
1239                          ftp->send ? "send" : "receive",
1240                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1241                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1242                          ftp->percent, ftp->kps,
1243                          ftp->filepath ? ftp->filepath : "[N/A]");
1244     }
1245
1246     break;
1247
1248   default:
1249     break;
1250   }
1251
1252  out:
1253   silc_free(nickname);
1254   return;
1255 }
1256
1257 void silc_server_init(void)
1258 {
1259   silc_servers_reconnect_init();
1260
1261   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1262   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1263   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1264   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1265   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1266   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1267   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1268   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1269   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1270   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1271   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1272   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1273   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1274   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1275   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1276   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1277   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1278   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1279   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1280   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1281   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1282   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1283   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1284   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1285   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1286   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1287   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1288   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1289   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1290
1291   command_set_options("connect", "+silcnet");
1292 }
1293
1294 void silc_server_deinit(void)
1295 {
1296   silc_servers_reconnect_deinit();
1297
1298   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1299   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1300   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1301   command_unbind("whois", (SIGNAL_FUNC) command_self);
1302   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1303   command_unbind("nick", (SIGNAL_FUNC) command_self);
1304   command_unbind("topic", (SIGNAL_FUNC) command_self);
1305   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1306   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1307   command_unbind("users", (SIGNAL_FUNC) command_self);
1308   command_unbind("list", (SIGNAL_FUNC) command_self);
1309   command_unbind("oper", (SIGNAL_FUNC) command_self);
1310   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1311   command_unbind("umode", (SIGNAL_FUNC) command_self);
1312   command_unbind("invite", (SIGNAL_FUNC) command_self);
1313   command_unbind("kill", (SIGNAL_FUNC) command_self);
1314   command_unbind("kick", (SIGNAL_FUNC) command_self);
1315   command_unbind("info", (SIGNAL_FUNC) command_self);
1316   command_unbind("ping", (SIGNAL_FUNC) command_self);
1317   command_unbind("motd", (SIGNAL_FUNC) command_self);
1318   command_unbind("ban", (SIGNAL_FUNC) command_self);
1319   command_unbind("close", (SIGNAL_FUNC) command_self);
1320   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1321   command_unbind("file", (SIGNAL_FUNC) command_file);
1322   command_unbind("detach", (SIGNAL_FUNC) command_self);
1323   command_unbind("watch", (SIGNAL_FUNC) command_self);
1324   command_unbind("stats", (SIGNAL_FUNC) command_self);
1325   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1326   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1327 }
1328
1329 void silc_server_free_ftp(SILC_SERVER_REC *server,
1330                           SilcClientEntry client_entry)
1331 {
1332   FtpSession ftp;
1333
1334   silc_dlist_start(server->ftp_sessions);
1335   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1336     if (ftp->client_entry == client_entry) {
1337       silc_dlist_del(server->ftp_sessions, ftp);
1338       silc_free(ftp->filepath);
1339       silc_free(ftp);
1340     }
1341   }
1342 }
1343
1344 bool silc_term_utf8(void)
1345 {
1346   const char *str;
1347   str = settings_get_str("term_charset");
1348   if (str)
1349     if (g_strcasecmp(str, "utf-8") == 0)
1350       return TRUE;
1351   return FALSE;
1352 }