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