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
  37 #include "client_ops.h"
  38 #include "silc-servers.h"
  39 #include "silc-channels.h"
  40 #include "silc-queries.h"
  41 #include "silc-nicklist.h"
  42 #include "silc-cmdqueue.h"
  43 #include "window-item-def.h"
  44
  45 #include "fe-common/core/printtext.h"
  46 #include "fe-common/core/fe-channels.h"
  47 #include "fe-common/core/keyboard.h"
  48 #include "fe-common/silc/module-formats.h"
  49
  50 #include "silc-commands.h"
  51
  52 void silc_servers_reconnect_init(void);
  53 void silc_servers_reconnect_deinit(void);
  54
  55 int silc_send_channel(SILC_SERVER_REC *server,
  56                       char *channel, char *msg,
  57                       SilcMessageFlags flags)
  58 {
  59   SILC_CHANNEL_REC *rec;
  60
  61   rec = silc_channel_find(server, channel);
  62   if (rec == NULL || rec->entry == NULL) {
  63     cmd_return_error_value(CMDERR_NOT_JOINED, FALSE);
  64   }
  65
  66   return silc_client_send_channel_message(silc_client, server->conn,
  67                                           rec->entry, NULL, flags, sha1hash,
  68                                           msg, strlen(msg));
  69 }
  70
  71 typedef struct {
  72   char *nick;
  73   char *msg;
  74   int len;
  75   SilcMessageFlags flags;
  76   SILC_SERVER_REC *server;
  77 } PRIVMSG_REC;
  78
  79 /* Callback function that sends the private message if the client was
  80    resolved from the server. */
  81
  82 static void silc_send_msg_clients(SilcClient client,
  83                                   SilcClientConnection conn,
  84                                   SilcStatus status,
  85                                   SilcDList clients,
  86                                   void *context)
  87 {
  88   PRIVMSG_REC *rec = context;
  89   SILC_SERVER_REC *server = rec->server;
  90   SilcClientEntry target;
  91   char nickname[128 + 1];
  92   SilcDList lclients = NULL;
  93
  94   if (!clients) {
  95     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  96               "%s: There is no such client", rec->nick);
  97   } else {
  98     if (silc_dlist_count(clients) > 1) {
  99       silc_parse_userfqdn(rec->nick, nickname, sizeof(nickname), NULL, 0);
 100
 101       /* Find the correct one. The rec->nick might be a formatted nick
 102          so this will find the correct one. */
 103       clients = lclients =
 104         silc_client_get_clients_local(silc_client, server->conn,
 105                                       nickname, rec->nick);
 106       if (!clients) {
 107         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 108                   "%s: There is no such client", rec->nick);
 109         goto out;
 110       }
 111     }
 112
 113     target = silc_dlist_get(clients);
 114
 115     /* Still check for exact math for nickname, this compares the
 116        real (formatted) nickname and the nick (maybe formatted) that
 117        user gave. This is to assure that `nick' does not match
 118        `nick@host'. */
 119     if (!silc_utf8_strcasecmp(rec->nick, target->nickname)) {
 120       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 121                 "%s: There is no such client", rec->nick);
 122       goto out;
 123     }
 124
 125     /* Send the private message */
 126     silc_client_send_private_message(client, conn, target,
 127                                      rec->flags, sha1hash,
 128                                      rec->msg, rec->len);
 129   }
 130
 131  out:
 132   silc_client_list_free(silc_client, server->conn, lclients);
 133   g_free(rec->nick);
 134   g_free(rec->msg);
 135   g_free(rec);
 136 }
 137
 138 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 139                   int msg_len, SilcMessageFlags flags)
 140 {
 141   PRIVMSG_REC *rec;
 142   char nickname[128 + 1];
 143   SilcDList clients;
 144   SilcClientEntry target;
 145   int ret;
 146
 147   if (!silc_parse_userfqdn(nick, nickname, sizeof(nickname), NULL, 0)) {
 148     printformat_module("fe-common/silc", server, NULL,
 149                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 150     return FALSE;
 151   }
 152
 153   /* Find client entry */
 154   clients = silc_client_get_clients_local(silc_client, server->conn,
 155                                           nickname, nick);
 156   if (!clients) {
 157     rec = g_new0(PRIVMSG_REC, 1);
 158     rec->nick = g_strdup(nick);
 159     rec->msg = g_strdup(msg);
 160     rec->server = server;
 161     rec->flags = flags;
 162     rec->len = msg_len;
 163
 164     /* Could not find client with that nick, resolve it from server. */
 165     silc_client_get_clients_whois(silc_client, server->conn,
 166                                   nickname, NULL, NULL,
 167                                   silc_send_msg_clients, rec);
 168     return TRUE;
 169   }
 170
 171   /* Send the private message directly */
 172   target = silc_dlist_get(clients);
 173   ret = silc_client_send_private_message(silc_client, server->conn,
 174                                          target, flags, sha1hash,
 175                                          msg, msg_len);
 176
 177   silc_client_list_free(silc_client, server->conn, clients);
 178
 179   return ret;
 180 }
 181
 182 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 183                     const char *data, int sign)
 184 {
 185   char *unescaped_data;
 186   SilcUInt32 unescaped_data_len;
 187   int target_type;
 188
 189   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 190     return;
 191
 192   if (channel) {
 193     target_type = SEND_TARGET_CHANNEL;
 194   } else {
 195     target_type = server_ischannel(SERVER(server), to) ?
 196       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 197   }
 198
 199   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 200
 201   if (target_type == SEND_TARGET_CHANNEL) {
 202     SILC_CHANNEL_REC *rec;
 203
 204     rec = silc_channel_find(server, to);
 205     if (rec == NULL || rec->entry == NULL) {
 206       cmd_return_error(CMDERR_NOT_JOINED);
 207     }
 208
 209     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 210                                      NULL, SILC_MESSAGE_FLAG_DATA |
 211                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 212                                      sha1hash, unescaped_data,
 213                                      unescaped_data_len);
 214   } else {
 215     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 216                   SILC_MESSAGE_FLAG_DATA |
 217                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 218
 219   }
 220
 221   signal_stop();
 222
 223   silc_free(unescaped_data);
 224 }
 225
 226 static int isnickflag_func(SERVER_REC *server, char flag)
 227 {
 228   return flag == '@' || flag == '+';
 229 }
 230
 231 static int ischannel_func(SERVER_REC *server, const char *data)
 232 {
 233   return FALSE;
 234 }
 235
 236 const char *get_nick_flags(SERVER_REC *server)
 237 {
 238   return "@\0\0";
 239 }
 240
 241 static void send_message(SILC_SERVER_REC *server, char *target,
 242                          char *msg, int target_type)
 243 {
 244   char *message = NULL, *t = NULL;
 245   int len;
 246   SilcBool sign;
 247
 248   g_return_if_fail(server != NULL);
 249   g_return_if_fail(target != NULL);
 250   g_return_if_fail(msg != NULL);
 251
 252   if (!silc_term_utf8()) {
 253     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 254     message = silc_calloc(len + 1, sizeof(*message));
 255     g_return_if_fail(message != NULL);
 256     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 257   }
 258
 259   if (target_type == SEND_TARGET_CHANNEL) {
 260     sign = settings_get_bool("sign_channel_messages");
 261     silc_send_channel(server, target, message ? message : msg,
 262                       SILC_MESSAGE_FLAG_UTF8 |
 263                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 264   } else {
 265     sign = settings_get_bool("sign_private_messages");
 266     if (!silc_term_utf8()) {
 267       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 268       t = silc_calloc(len + 1, sizeof(*t));
 269       g_return_if_fail(t != NULL);
 270       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 271     }
 272
 273     silc_send_msg(server, t ? t : target, message ? message : msg,
 274                   message ? strlen(message) : strlen(msg),
 275                   SILC_MESSAGE_FLAG_UTF8 |
 276                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 277   }
 278
 279   silc_free(message);
 280   silc_free(t);
 281 }
 282
 283 /* Connection callback */
 284
 285 static void silc_connect_cb(SilcClient client,
 286                             SilcClientConnection conn,
 287                             SilcClientConnectionStatus status,
 288                             SilcStatus error,
 289                             const char *message,
 290                             void *context)
 291 {
 292   SILC_SERVER_REC *server = context;
 293   char *file;
 294
 295   SILC_LOG_DEBUG(("Connection callback %p, status %d, error %d, message %s",
 296                   conn, status, error, message ? message : "N/A"));
 297
 298   server->op = NULL;
 299
 300   switch (status) {
 301   case SILC_CLIENT_CONN_SUCCESS:
 302     if (server->disconnected) {
 303       silc_client_close_connection(client, conn);
 304       return;
 305     }
 306
 307     /* We have successfully connected to server */
 308
 309     /* Enable queueing until we have our requested nick */
 310     if (((opt_nickname &&
 311           strcmp(opt_nickname, conn->local_entry->nickname)) ||
 312          (settings_get_str("nick") &&
 313           strcmp(settings_get_str("nick"), conn->local_entry->nickname))) &&
 314         !strcmp(conn->local_entry->nickname, conn->local_entry->username))
 315       silc_queue_enable(conn);
 316
 317     /* Put default attributes */
 318     silc_query_attributes_default(silc_client, conn);
 319
 320     server->connected = TRUE;
 321     server->conn = conn;
 322     server->conn->context = server;
 323     signal_emit("event connected", 1, server);
 324     break;
 325
 326   case SILC_CLIENT_CONN_SUCCESS_RESUME:
 327     if (server->disconnected) {
 328       silc_client_close_connection(client, conn);
 329       return;
 330     }
 331
 332     /* We have successfully resumed old detached session */
 333     server->connected = TRUE;
 334     server->conn = conn;
 335     server->conn->context = server;
 336     signal_emit("event connected", 1, server);
 337
 338     /* Put default attributes */
 339     silc_query_attributes_default(silc_client, conn);
 340
 341     /* Remove the detach data now */
 342     file = silc_get_session_filename(server);
 343     unlink(file);
 344     silc_free(file);
 345     break;
 346
 347   case SILC_CLIENT_CONN_DISCONNECTED:
 348     /* Server disconnected */
 349     if (server->conn && server->conn->local_entry) {
 350       nicklist_rename_unique(SERVER(server),
 351                              server->conn->local_entry, server->nick,
 352                              server->conn->local_entry,
 353                              silc_client->username);
 354       silc_change_nick(server, silc_client->username);
 355     }
 356
 357     if (message)
 358       silc_say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
 359                "Server closed connection: %s (%d) %s",
 360                silc_get_status_message(error), error,
 361                message ? message : "");
 362
 363     if (server->conn)
 364       server->conn->context = NULL;
 365     server->conn = NULL;
 366     server->connection_lost = TRUE;
 367     if (!server->disconnected)
 368       server_disconnect(SERVER(server));
 369     server_unref(SERVER(server));
 370     break;
 371
 372   default:
 373     file = silc_get_session_filename(server);
 374     if (silc_file_size(file) > 0)
 375       printformat_module("fe-common/silc", server, NULL,
 376                          MSGLEVEL_CRAP, SILCTXT_REATTACH_FAILED, file);
 377     silc_free(file);
 378
 379     server->connection_lost = TRUE;
 380     server->conn = NULL;
 381     if (server->conn)
 382       server->conn->context = NULL;
 383     if (!server->disconnected)
 384       server_disconnect(SERVER(server));
 385     server_unref(SERVER(server));
 386     break;
 387   }
 388 }
 389
 390 /* Called after TCP stream has been created */
 391
 392 static void sig_connected_stream_created(SilcSocketStreamStatus status,
 393                                          SilcStream stream, void *context)
 394 {
 395   SILC_SERVER_REC *server = context;
 396   SilcClientConnectionParams params;
 397   char *file;
 398
 399   if (!stream) {
 400     server->connection_lost = TRUE;
 401     server_disconnect(SERVER(server));
 402     return;
 403   }
 404
 405   if (server->disconnected) {
 406     silc_stream_destroy(stream);
 407     return;
 408   }
 409
 410   /* Set connection parameters */
 411   memset(&params, 0, sizeof(params));
 412   params.nickname = (opt_nickname ? (char *)opt_nickname :
 413                      (char *)settings_get_str("nick"));
 414   params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 415   params.rekey_secs = settings_get_int("key_exchange_rekey_secs");
 416   params.pfs = settings_get_bool("key_exchange_rekey_pfs");
 417
 418   /* Try to read detached session data and use it if found. */
 419   file = silc_get_session_filename(server);
 420   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 421   if (params.detach_data)
 422     params.detach_data[params.detach_data_len] = 0;
 423   if (params.detach_data)
 424     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 425                         SILCTXT_REATTACH, server->tag);
 426
 427   /* Start key exchange */
 428   server->op = silc_client_key_exchange(silc_client, &params,
 429                                         irssi_pubkey, irssi_privkey,
 430                                         stream, SILC_CONN_SERVER,
 431                                         silc_connect_cb, server);
 432   if (!server->op) {
 433     server->connection_lost = TRUE;
 434     server_disconnect(SERVER(server));
 435     silc_stream_destroy(stream);
 436     return;
 437   }
 438
 439   server_ref(SERVER(server));
 440   server->ftp_sessions = silc_dlist_init();
 441   server->isnickflag = isnickflag_func;
 442   server->ischannel = ischannel_func;
 443   server->get_nick_flags = get_nick_flags;
 444   server->send_message = (void *) send_message;
 445 }
 446
 447 static void sig_connected(SILC_SERVER_REC *server)
 448 {
 449   int fd;
 450
 451   if (!IS_SILC_SERVER(server))
 452     return;
 453
 454   /* Wrap the socket to TCP stream */
 455   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 456   silc_socket_tcp_stream_create(fd, TRUE, FALSE, silc_client->schedule,
 457                                 sig_connected_stream_created, server);
 458 }
 459
 460 static void sig_disconnected(SILC_SERVER_REC *server)
 461 {
 462   if (!IS_SILC_SERVER(server))
 463     return;
 464
 465   silc_dlist_uninit(server->ftp_sessions);
 466
 467   if (server->conn) {
 468     /* Close connection */
 469     silc_client_close_connection(silc_client, server->conn);
 470   } else if (server->op) {
 471     /* Abort on going connecting (key exchange) */
 472     silc_async_abort(server->op, NULL, NULL);
 473     server->op = NULL;
 474   }
 475
 476   /* SILC closes the handle */
 477   g_io_channel_unref(net_sendbuffer_handle(server->handle));
 478   net_sendbuffer_destroy(server->handle, FALSE);
 479   server->handle = NULL;
 480 }
 481
 482 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 483 {
 484   SILC_SERVER_REC *server;
 485
 486   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 487   if (conn->address == NULL || *conn->address == '\0')
 488     return NULL;
 489   if (conn->nick == NULL || *conn->nick == '\0') {
 490     silc_say_error("Cannot connect: nickname is not set");
 491     return NULL;
 492   }
 493
 494   server = g_new0(SILC_SERVER_REC, 1);
 495   server->chat_type = SILC_PROTOCOL;
 496   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 497   server_connect_ref(conn);
 498
 499   if (server->connrec->port <= 0)
 500     server->connrec->port = 706;
 501
 502   server_connect_init((SERVER_REC *)server);
 503   return (SERVER_REC *)server;
 504 }
 505
 506 void silc_server_connect(SERVER_REC *server)
 507 {
 508   if (!server_start_connect(server)) {
 509     server_connect_unref(server->connrec);
 510     g_free(server);
 511     return;
 512   }
 513 }
 514
 515 /* Return a string of all channels in server in server->channels_join()
 516    format */
 517
 518 char *silc_server_get_channels(SILC_SERVER_REC *server)
 519 {
 520   GSList *tmp;
 521   GString *chans;
 522   char *ret;
 523
 524   g_return_val_if_fail(server != NULL, FALSE);
 525
 526   chans = g_string_new(NULL);
 527   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 528     CHANNEL_REC *channel = tmp->data;
 529
 530     g_string_sprintfa(chans, "%s,", channel->name);
 531   }
 532
 533   if (chans->len > 0)
 534     g_string_truncate(chans, chans->len-1);
 535
 536   ret = chans->str;
 537   g_string_free(chans, FALSE);
 538
 539   return ret;
 540 }
 541
 542 /* Syntaxes of all SILC commands for HELP files (the help file generation
 543    will snoop these from here). */
 544
 545 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 546 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 547 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 548 /* SYNTAX: GETKEY <nickname or server name> */
 549 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 550 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 551 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 552 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 553 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 554 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 555 /* SYNTAX: OPER <username> [-pubkey] */
 556 /* SYNTAX: SILCOPER <username> [-pubkey] */
 557 /* SYNTAX: TOPIC <channel> [<topic>] */
 558 /* SYNTAX: UMODE +|-<modes> */
 559 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 560 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 561 /* SYNTAX: CLOSE <server> [<port>] */
 562 /* SYNTAX: MOTD [<server>] */
 563 /* SYNTAX: LIST [<channel>] */
 564 /* SYNTAX: ME <message> */
 565 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 566 /* SYNTAX: AWAY [<message>] */
 567 /* SYNTAX: INFO [<server>] */
 568 /* SYNTAX: NICK <nickname> */
 569 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 570 /* SYNTAX: PART [<channel>] */
 571 /* SYNTAX: PING */
 572 /* SYNTAX: USERS <channel> */
 573 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 574 /* SYNTAX: FILE ACCEPT [<nickname>] */
 575 /* SYNTAX: FILE CLOSE [<nickname>] */
 576 /* SYNTAX: FILE */
 577 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 578 /* SYNTAX: DETACH */
 579 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 580 /* SYNTAX: STATS */
 581 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 582 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 583 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 584
 585 void silc_command_exec(SILC_SERVER_REC *server,
 586                        const char *command, const char *args)
 587 {
 588   char *data;
 589   g_return_if_fail(server != NULL);
 590
 591   /* Call the command */
 592   data = g_strconcat(command, " ", args, NULL);
 593   silc_queue_command_call(silc_client, server->conn, data);
 594   g_free(data);
 595 }
 596
 597 /* Generic command function to call any SILC command directly. */
 598
 599 static void command_self(const char *data, SILC_SERVER_REC *server,
 600                          WI_ITEM_REC *item)
 601 {
 602   CMD_SILC_SERVER(server);
 603
 604   if (!IS_SILC_SERVER(server) || !server->connected) {
 605     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 606     return;
 607   }
 608
 609   if (IS_SILC_CHANNEL(item)) {
 610     SILC_CHANNEL_REC *chanrec;
 611     chanrec = silc_channel_find(server, item->visible_name);
 612     if (chanrec)
 613       server->conn->current_channel = chanrec->entry;
 614   }
 615
 616   silc_command_exec(server, current_command, data);
 617   signal_stop();
 618 }
 619
 620 /* SMSG command, to send digitally signed messages */
 621
 622 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 623                          WI_ITEM_REC *item)
 624 {
 625   GHashTable *optlist;
 626   char *target, *origtarget, *msg;
 627   void *free_arg;
 628   int free_ret, target_type;
 629
 630   g_return_if_fail(data != NULL);
 631   if (server == NULL || !server->connected)
 632     cmd_param_error(CMDERR_NOT_CONNECTED);
 633
 634   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 635                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 636                       "msg", &optlist, &target, &msg))
 637     return;
 638   if (*target == '\0' || *msg == '\0')
 639     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 640
 641   origtarget = target;
 642   free_ret = FALSE;
 643
 644   if (strcmp(target, "*") == 0) {
 645     if (item == NULL)
 646       cmd_param_error(CMDERR_NOT_JOINED);
 647
 648     target_type = IS_CHANNEL(item) ?
 649       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 650     target = (char *) window_item_get_target(item);
 651   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 652     target_type = SEND_TARGET_CHANNEL;
 653   } else {
 654     target_type = server_ischannel(SERVER(server), target) ?
 655       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 656   }
 657
 658   if (target != NULL) {
 659     char *message = NULL, *t = NULL;
 660     int len, result;
 661
 662     if (!silc_term_utf8()) {
 663       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 664       message = silc_calloc(len + 1, sizeof(*message));
 665       g_return_if_fail(message != NULL);
 666       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 667     }
 668
 669     if (target_type == SEND_TARGET_CHANNEL)
 670       result = silc_send_channel(server, target, message ? message : msg,
 671                                  SILC_MESSAGE_FLAG_UTF8 |
 672                                  SILC_MESSAGE_FLAG_SIGNED);
 673     else {
 674       if (!silc_term_utf8()) {
 675         len = silc_utf8_encoded_len(target, strlen(target),
 676                                     SILC_STRING_LOCALE);
 677         t = silc_calloc(len + 1, sizeof(*t));
 678         g_return_if_fail(t != NULL);
 679         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 680       }
 681       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 682                              message ? strlen(message) : strlen(msg),
 683                              SILC_MESSAGE_FLAG_UTF8 |
 684                              SILC_MESSAGE_FLAG_SIGNED);
 685     }
 686     silc_free(message);
 687     silc_free(t);
 688     if (!result)
 689       goto out;
 690   }
 691
 692   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 693               "message signed_own_public" : "message signed_own_private", 4,
 694               server, msg, target, origtarget);
 695 out:
 696   if (free_ret && target != NULL) g_free(target);
 697   cmd_params_free(free_arg);
 698 }
 699
 700 /* FILE command */
 701
 702 SILC_TASK_CALLBACK(silc_client_file_close_later)
 703 {
 704   FtpSession ftp = (FtpSession)context;
 705
 706   SILC_LOG_DEBUG(("Start"));
 707
 708   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 709   silc_free(ftp->filepath);
 710   silc_free(ftp);
 711 }
 712
 713 static void silc_client_file_monitor(SilcClient client,
 714                                      SilcClientConnection conn,
 715                                      SilcClientMonitorStatus status,
 716                                      SilcClientFileError error,
 717                                      SilcUInt64 offset,
 718                                      SilcUInt64 filesize,
 719                                      SilcClientEntry client_entry,
 720                                      SilcUInt32 session_id,
 721                                      const char *filepath,
 722                                      void *context)
 723 {
 724   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 725   FtpSession ftp;
 726   char fsize[32];
 727
 728   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 729     return;
 730
 731   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 732
 733   silc_dlist_start(server->ftp_sessions);
 734   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 735     if (ftp->session_id == session_id) {
 736       if (!ftp->filepath && filepath)
 737         ftp->filepath = strdup(filepath);
 738       break;
 739     }
 740   }
 741
 742   if (ftp == SILC_LIST_END)
 743     return;
 744
 745   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 746       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 747     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 748       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 749                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 750                          client_entry->nickname,
 751                          filepath ? filepath : "[N/A]");
 752     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 753       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 754                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 755                          client_entry->nickname);
 756     else
 757       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 758                          SILCTXT_FILE_ERROR, client_entry->nickname);
 759     silc_schedule_task_add_timeout(silc_client->schedule,
 760                                    silc_client_file_close_later, ftp,
 761                                    1, 0);
 762     silc_dlist_del(server->ftp_sessions, ftp);
 763     if (ftp == server->current_session) {
 764       server->current_session = NULL;
 765       silc_dlist_start(server->ftp_sessions);
 766       server->current_session = silc_dlist_get(server->ftp_sessions);
 767     }
 768   }
 769
 770   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 771     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 772                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 773   }
 774
 775   /* Save some transmission data */
 776   if (offset && filesize) {
 777     unsigned long delta = time(NULL) - ftp->starttime;
 778
 779     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 780     if (delta)
 781       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 782     else
 783       ftp->kps = (double)(offset + 1023) / (double)1024;
 784     ftp->offset = offset;
 785     ftp->filesize = filesize;
 786   }
 787
 788   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 789     if (offset == 0) {
 790       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 791                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 792                          client_entry->nickname);
 793       ftp->starttime = time(NULL);
 794     }
 795     if (offset == filesize) {
 796       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 797                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 798                          client_entry->nickname, ftp->kps);
 799       silc_schedule_task_add_timeout(silc_client->schedule,
 800                                      silc_client_file_close_later, ftp,
 801                                      1, 0);
 802       silc_dlist_del(server->ftp_sessions, ftp);
 803       if (ftp == server->current_session) {
 804         server->current_session = NULL;
 805         silc_dlist_start(server->ftp_sessions);
 806         server->current_session = silc_dlist_get(server->ftp_sessions);
 807       }
 808
 809     }
 810   }
 811
 812   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 813     if (offset == 0) {
 814       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 815                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 816                          client_entry->nickname);
 817       ftp->starttime = time(NULL);
 818     }
 819
 820     if (offset == filesize) {
 821       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 822                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 823                          client_entry->nickname, ftp->kps);
 824       silc_schedule_task_add_timeout(silc_client->schedule,
 825                                      silc_client_file_close_later, ftp,
 826                                      1, 0);
 827       silc_dlist_del(server->ftp_sessions, ftp);
 828       if (ftp == server->current_session) {
 829         server->current_session = NULL;
 830         silc_dlist_start(server->ftp_sessions);
 831         server->current_session = silc_dlist_get(server->ftp_sessions);
 832       }
 833
 834     }
 835   }
 836 }
 837
 838 typedef struct {
 839   SILC_SERVER_REC *server;
 840   char *data;
 841   char *nick;
 842   WI_ITEM_REC *item;
 843 } *FileGetClients;
 844
 845 static void silc_client_command_file_get_clients(SilcClient client,
 846                                                  SilcClientConnection conn,
 847                                                  SilcStatus status,
 848                                                  SilcDList clients,
 849                                                  void *context)
 850 {
 851   FileGetClients internal = (FileGetClients)context;
 852
 853   if (!clients) {
 854     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 855               internal->nick);
 856     silc_free(internal->data);
 857     silc_free(internal->nick);
 858     silc_free(internal);
 859     return;
 860   }
 861
 862   signal_emit("command file", 3, internal->data, internal->server,
 863               internal->item);
 864
 865   silc_free(internal->data);
 866   silc_free(internal->nick);
 867   silc_free(internal);
 868 }
 869
 870 static void command_file(const char *data, SILC_SERVER_REC *server,
 871                          WI_ITEM_REC *item)
 872 {
 873   SilcClientConnection conn;
 874   SilcClientEntry client_entry;
 875   SilcDList entries;
 876   SilcClientFileError ret;
 877   char nickname[128 + 1], *tmp;
 878   unsigned char **argv;
 879   SilcUInt32 argc;
 880   SilcUInt32 *argv_lens, *argv_types;
 881   int type = 0;
 882   FtpSession ftp;
 883   char *local_ip = NULL;
 884   SilcUInt32 local_port = 0;
 885   SilcUInt32 session_id;
 886   bool do_not_bind = FALSE;
 887   SilcClientConnectionParams params;
 888
 889   CMD_SILC_SERVER(server);
 890   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 891     cmd_return_error(CMDERR_NOT_CONNECTED);
 892
 893   conn = server->conn;
 894
 895   /* Now parse all arguments */
 896   tmp = g_strconcat("FILE", " ", data, NULL);
 897   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 898   g_free(tmp);
 899
 900   if (argc == 1)
 901     type = 4;
 902
 903   if (argc >= 2) {
 904     if (!strcasecmp(argv[1], "send"))
 905       type = 1;
 906     if (!strcasecmp(argv[1], "accept"))
 907       type = 2;
 908     if (!strcasecmp(argv[1], "close"))
 909       type = 3;
 910   }
 911
 912   if (type == 0)
 913     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 914
 915   switch (type) {
 916   case 1:
 917     if (argc < 4)
 918       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 919
 920     /* Parse the typed nickname. */
 921     if (!silc_parse_userfqdn(argv[3], nickname, sizeof(nickname), NULL, 0)) {
 922       printformat_module("fe-common/silc", server, NULL,
 923                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 924       goto out;
 925     }
 926
 927     /* Find client entry */
 928     entries = silc_client_get_clients_local(silc_client, conn, nickname,
 929                                             argv[3]);
 930     if (!entries) {
 931       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 932       inter->server = server;
 933       inter->data = strdup(data);
 934       inter->nick = strdup(nickname);
 935       inter->item = item;
 936       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 937                               silc_client_command_file_get_clients, inter);
 938       goto out;
 939     }
 940     silc_dlist_start(entries);
 941     client_entry = silc_dlist_get(entries);
 942
 943     if (argc >= 5) {
 944       if (!strcasecmp(argv[4], "-no-listener"))
 945         do_not_bind = TRUE;
 946       else
 947         local_ip = argv[4];
 948     }
 949     if (argc >= 6) {
 950       if (!strcasecmp(argv[5], "-no-listener"))
 951         do_not_bind = TRUE;
 952       else
 953         local_port = atoi(argv[5]);
 954     }
 955     if (argc >= 7) {
 956       if (!strcasecmp(argv[6], "-no-listener"))
 957         do_not_bind = TRUE;
 958     }
 959
 960     memset(&params, 0, sizeof(params));
 961     if (!do_not_bind) {
 962       if (local_ip)
 963         params.local_ip = strdup(local_ip);
 964       params.local_port = local_port;
 965       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 966         params.local_ip = (char *)settings_get_str("auto_public_ip");
 967         if ((params.local_ip) && (*params.local_ip == '\0')) {
 968           params.local_ip = silc_net_localip();
 969         } else {
 970           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 971           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 972             params.bind_ip = NULL;
 973           params.local_port = settings_get_int("auto_bind_port");
 974         }
 975       }
 976       if (!params.local_ip)
 977         params.local_ip = silc_net_localip();
 978     }
 979     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 980
 981     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
 982                                 irssi_pubkey, irssi_privkey,
 983                                 silc_client_file_monitor, server, argv[2],
 984                                 &session_id);
 985     if (ret == SILC_CLIENT_FILE_OK) {
 986       ftp = silc_calloc(1, sizeof(*ftp));
 987       ftp->session_id = session_id;
 988
 989       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 990                          SILCTXT_FILE_SEND, client_entry->nickname,
 991                          argv[2]);
 992
 993       ftp->client_entry = client_entry;
 994       ftp->filepath = strdup(argv[2]);
 995       ftp->conn = conn;
 996       ftp->send = TRUE;
 997       silc_dlist_add(server->ftp_sessions, ftp);
 998       server->current_session = ftp;
 999     } else {
1000       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1001         printformat_module("fe-common/silc", server, NULL,
1002                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1003                            client_entry->nickname);
1004       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1005         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1006                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1007                            client_entry->nickname, argv[2]);
1008     }
1009
1010     silc_client_list_free(silc_client, server->conn, entries);
1011     break;
1012
1013   case 2:
1014     /* Parse the typed nickname. */
1015     if (argc >= 3) {
1016       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1017         printformat_module("fe-common/silc", server, NULL,
1018                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1019         goto out;
1020       }
1021
1022       /* Find client entry */
1023       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1024                                               argv[2]);
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, argv[2],
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       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1150         printformat_module("fe-common/silc", server, NULL,
1151                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1152         goto out;
1153       }
1154
1155       /* Find client entry */
1156       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1157                                               argv[2]);
1158       if (!entries) {
1159         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1160         inter->server = server;
1161         inter->data = strdup(data);
1162         inter->nick = strdup(nickname);
1163         inter->item = item;
1164         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1165                                 silc_client_command_file_get_clients, inter);
1166         goto out;
1167       }
1168       silc_dlist_start(entries);
1169       client_entry = silc_dlist_get(entries);
1170       silc_client_list_free(silc_client, server->conn, entries);
1171     } else {
1172       if (!server->current_session) {
1173         printformat_module("fe-common/silc", server, NULL,
1174                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1175         goto out;
1176       }
1177
1178       silc_client_file_close(silc_client, conn,
1179                              server->current_session->session_id);
1180       printformat_module("fe-common/silc", server, NULL,
1181                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1182                          server->current_session->client_entry->nickname,
1183                          server->current_session->filepath ?
1184                          server->current_session->filepath : "[N/A]");
1185       silc_dlist_del(server->ftp_sessions, server->current_session);
1186       silc_free(server->current_session->filepath);
1187       silc_free(server->current_session);
1188       server->current_session = NULL;
1189
1190       silc_dlist_start(server->ftp_sessions);
1191       server->current_session = silc_dlist_get(server->ftp_sessions);
1192       goto out;
1193     }
1194
1195     silc_dlist_start(server->ftp_sessions);
1196     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1197       if (ftp->client_entry == client_entry) {
1198         silc_client_file_close(silc_client, conn, ftp->session_id);
1199         printformat_module("fe-common/silc", server, NULL,
1200                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1201                            client_entry->nickname,
1202                            ftp->filepath ? ftp->filepath : "[N/A]");
1203         silc_dlist_del(server->ftp_sessions, ftp);
1204         if (ftp == server->current_session) {
1205           server->current_session = NULL;
1206           silc_dlist_start(server->ftp_sessions);
1207           server->current_session = silc_dlist_get(server->ftp_sessions);
1208         }
1209         silc_free(ftp->filepath);
1210         silc_free(ftp);
1211         break;
1212       }
1213     }
1214
1215     if (ftp == SILC_LIST_END) {
1216       printformat_module("fe-common/silc", server, NULL,
1217                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1218                          client_entry->nickname);
1219       goto out;
1220     }
1221     break;
1222
1223   case 4:
1224
1225     if (!silc_dlist_count(server->ftp_sessions)) {
1226       printformat_module("fe-common/silc", server, NULL,
1227                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1228       goto out;
1229     }
1230
1231     printformat_module("fe-common/silc", server, NULL,
1232                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1233
1234     silc_dlist_start(server->ftp_sessions);
1235     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1236       printformat_module("fe-common/silc", server, NULL,
1237                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1238                          ftp->client_entry->nickname,
1239                          ftp->session_id,
1240                          ftp->send ? "send" : "receive",
1241                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1242                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1243                          ftp->percent, ftp->kps,
1244                          ftp->filepath ? ftp->filepath : "[N/A]");
1245     }
1246
1247     break;
1248
1249   default:
1250     break;
1251   }
1252
1253  out:
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 }