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

   1 /*
   2   silc-server.c : irssi
   3
   4   Copyright (C) 2000 - 2008 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     if (strchr(rec->nick, '@') && target->server)
 106       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 107                 "%s: There is no such client (did you mean %s@%s?)", rec->nick,
 108                 target->nickname, target->server);
 109     else
 110       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 111                 "%s: There is no such client (did you mean %s?)", rec->nick,
 112                 target->nickname);
 113     goto out;
 114   }
 115
 116   /* Send the private message */
 117   silc_dlist_start(clients);
 118   target = silc_dlist_get(clients);
 119   silc_client_send_private_message(client, conn, target, rec->flags, sha1hash,
 120                                    rec->msg, rec->len);
 121
 122  out:
 123   silc_client_list_free(silc_client, server->conn, clients);
 124   g_free(rec->nick);
 125   g_free(rec->msg);
 126   g_free(rec);
 127 }
 128
 129 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 130                   int msg_len, SilcMessageFlags flags)
 131 {
 132   PRIVMSG_REC *rec;
 133   SilcDList clients;
 134   SilcClientEntry target;
 135   int ret;
 136
 137   /* Find client entry */
 138   clients = silc_client_get_clients_local(silc_client, server->conn, nick,
 139                                           FALSE);
 140   if (!clients) {
 141     char *nickname = NULL;
 142
 143     rec = g_new0(PRIVMSG_REC, 1);
 144     rec->nick = g_strdup(nick);
 145     rec->msg = g_strdup(msg);
 146     rec->server = server;
 147     rec->flags = flags;
 148     rec->len = msg_len;
 149
 150     silc_client_nickname_parse(silc_client, server->conn, nick, &nickname);
 151     if (!nickname)
 152       nickname = strdup(nick);
 153
 154     /* Could not find client with that nick, resolve it from server. */
 155     silc_client_get_clients_whois(silc_client, server->conn, nickname,
 156                                   NULL, NULL, silc_send_msg_clients, rec);
 157     silc_free(nickname);
 158     return TRUE;
 159   }
 160
 161   /* Send the private message directly */
 162   target = silc_dlist_get(clients);
 163   ret = silc_client_send_private_message(silc_client, server->conn,
 164                                          target, flags, sha1hash,
 165                                          msg, msg_len);
 166
 167   silc_client_list_free(silc_client, server->conn, clients);
 168
 169   return ret;
 170 }
 171
 172 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 173                     const char *data, int sign)
 174 {
 175   char *unescaped_data;
 176   SilcUInt32 unescaped_data_len;
 177   int target_type;
 178
 179   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 180     return;
 181
 182   if (channel) {
 183     target_type = SEND_TARGET_CHANNEL;
 184   } else {
 185     target_type = server_ischannel(SERVER(server), to) ?
 186       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 187   }
 188
 189   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 190
 191   if (target_type == SEND_TARGET_CHANNEL) {
 192     SILC_CHANNEL_REC *rec;
 193
 194     rec = silc_channel_find(server, to);
 195     if (rec == NULL || rec->entry == NULL) {
 196       cmd_return_error(CMDERR_NOT_JOINED);
 197     }
 198
 199     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 200                                      NULL, SILC_MESSAGE_FLAG_DATA |
 201                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 202                                      sha1hash, unescaped_data,
 203                                      unescaped_data_len);
 204   } else {
 205     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 206                   SILC_MESSAGE_FLAG_DATA |
 207                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 208
 209   }
 210
 211   signal_stop();
 212
 213   silc_free(unescaped_data);
 214 }
 215
 216 static int isnickflag_func(SERVER_REC *server, char flag)
 217 {
 218   return flag == '@' || flag == '+';
 219 }
 220
 221 static int ischannel_func(SERVER_REC *server, const char *data)
 222 {
 223   return FALSE;
 224 }
 225
 226 const char *get_nick_flags(SERVER_REC *server)
 227 {
 228   return "@\0\0";
 229 }
 230
 231 static void send_message(SILC_SERVER_REC *server, char *target,
 232                          char *msg, int target_type)
 233 {
 234   char *message = NULL, *t = NULL;
 235   int len;
 236   SilcBool sign;
 237
 238   g_return_if_fail(server != NULL);
 239   g_return_if_fail(target != NULL);
 240   g_return_if_fail(msg != NULL);
 241
 242   if (!silc_term_utf8()) {
 243     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 244     message = silc_calloc(len + 1, sizeof(*message));
 245     g_return_if_fail(message != NULL);
 246     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 247   }
 248
 249   if (target_type == SEND_TARGET_CHANNEL) {
 250     sign = settings_get_bool("sign_channel_messages");
 251     silc_send_channel(server, target, message ? message : msg,
 252                       SILC_MESSAGE_FLAG_UTF8 |
 253                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 254   } else {
 255     sign = settings_get_bool("sign_private_messages");
 256     if (!silc_term_utf8()) {
 257       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 258       t = silc_calloc(len + 1, sizeof(*t));
 259       g_return_if_fail(t != NULL);
 260       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 261     }
 262
 263     silc_send_msg(server, t ? t : target, message ? message : msg,
 264                   message ? strlen(message) : strlen(msg),
 265                   SILC_MESSAGE_FLAG_UTF8 |
 266                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 267   }
 268
 269   silc_free(message);
 270   silc_free(t);
 271 }
 272
 273 /* Connection callback */
 274
 275 static void silc_connect_cb(SilcClient client,
 276                             SilcClientConnection conn,
 277                             SilcClientConnectionStatus status,
 278                             SilcStatus error,
 279                             const char *message,
 280                             void *context)
 281 {
 282   SILC_SERVER_REC *server = context;
 283   FtpSession ftp;
 284   char *file;
 285
 286   SILC_LOG_DEBUG(("Connection callback %p, status %d, error %d, message %s",
 287                   conn, status, error, message ? message : "N/A"));
 288
 289   server->op = NULL;
 290
 291   switch (status) {
 292   case SILC_CLIENT_CONN_SUCCESS:
 293     if (server->disconnected) {
 294       silc_client_close_connection(client, conn);
 295       return;
 296     }
 297
 298     /* We have successfully connected to server */
 299
 300     /* Enable queueing until we have our requested nick */
 301     if (settings_get_str("nick") &&
 302         !silc_utf8_strcasecmp(settings_get_str("nick"),
 303                               conn->local_entry->nickname) &&
 304         silc_utf8_strcasecmp(conn->local_entry->nickname,
 305                              conn->local_entry->username))
 306       silc_queue_enable(conn);
 307
 308     /* Put default attributes */
 309     silc_query_attributes_default(silc_client, conn);
 310
 311     server->connected = TRUE;
 312     server->conn = conn;
 313     server->conn->context = server;
 314     signal_emit("event connected", 1, server);
 315     break;
 316
 317   case SILC_CLIENT_CONN_SUCCESS_RESUME:
 318     if (server->disconnected) {
 319       silc_client_close_connection(client, conn);
 320       return;
 321     }
 322
 323     /* We have successfully resumed old detached session */
 324     server->connected = TRUE;
 325     server->conn = conn;
 326     server->conn->context = server;
 327     signal_emit("event connected", 1, server);
 328
 329     /* Put default attributes */
 330     silc_query_attributes_default(silc_client, conn);
 331
 332     /* Remove the detach data now */
 333     file = silc_get_session_filename(server);
 334     unlink(file);
 335     silc_free(file);
 336     break;
 337
 338   case SILC_CLIENT_CONN_DISCONNECTED:
 339     /* Server disconnected */
 340     if (server->conn && server->conn->local_entry) {
 341       nicklist_rename_unique(SERVER(server),
 342                              server->conn->local_entry, server->nick,
 343                              server->conn->local_entry,
 344                              silc_client->username);
 345       silc_change_nick(server, silc_client->username);
 346     }
 347
 348     if (message)
 349       silc_say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
 350                "Server closed connection: %s (%d) %s",
 351                silc_get_status_message(error), error,
 352                message ? message : "");
 353
 354     /* Close FTP sessions */
 355     silc_dlist_start(server->ftp_sessions);
 356     while ((ftp = silc_dlist_get(server->ftp_sessions)))
 357       silc_client_file_close(client, conn, ftp->session_id);
 358     silc_dlist_uninit(server->ftp_sessions);
 359
 360     if (server->conn)
 361       server->conn->context = NULL;
 362     server->conn = NULL;
 363     server->connection_lost = TRUE;
 364     if (!server->disconnected)
 365       server_disconnect(SERVER(server));
 366     server_unref(SERVER(server));
 367     break;
 368
 369   default:
 370     file = silc_get_session_filename(server);
 371     if (silc_file_size(file) > 0)
 372       printformat_module("fe-common/silc", server, NULL,
 373                          MSGLEVEL_CRAP, SILCTXT_REATTACH_FAILED, file);
 374     silc_free(file);
 375
 376     server->connection_lost = TRUE;
 377     server->conn = NULL;
 378     if (server->conn)
 379       server->conn->context = NULL;
 380     if (!server->disconnected)
 381       server_disconnect(SERVER(server));
 382     server_unref(SERVER(server));
 383     break;
 384   }
 385 }
 386
 387 /* Called after TCP stream has been created */
 388
 389 static void sig_connected_stream_created(SilcSocketStreamStatus status,
 390                                          SilcStream stream, void *context)
 391 {
 392   SILC_SERVER_REC *server = context;
 393   SilcClientConnectionParams params;
 394   char *file;
 395
 396   server->tcp_op = NULL;
 397   if (!stream) {
 398     server->connection_lost = TRUE;
 399     server_disconnect(SERVER(server));
 400     return;
 401   }
 402
 403   if (server->disconnected) {
 404     silc_stream_destroy(stream);
 405     return;
 406   }
 407
 408   /* Set connection parameters */
 409   memset(&params, 0, sizeof(params));
 410   params.nickname = (char *)settings_get_str("nick");
 411   params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 412   params.rekey_secs = settings_get_int("key_exchange_rekey_secs");
 413   params.pfs = settings_get_bool("key_exchange_rekey_pfs");
 414   params.context = server;
 415
 416   /* Try to read detached session data and use it if found. */
 417   file = silc_get_session_filename(server);
 418   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 419   if (params.detach_data)
 420     params.detach_data[params.detach_data_len] = 0;
 421   if (params.detach_data)
 422     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 423                         SILCTXT_REATTACH, server->tag);
 424   silc_free(file);
 425
 426   /* Start key exchange */
 427   server->op = silc_client_key_exchange(silc_client, &params,
 428                                         irssi_pubkey, irssi_privkey,
 429                                         stream, SILC_CONN_SERVER,
 430                                         silc_connect_cb, server);
 431   if (!server->op) {
 432     server->connection_lost = TRUE;
 433     server_disconnect(SERVER(server));
 434     silc_stream_destroy(stream);
 435     return;
 436   }
 437
 438   server_ref(SERVER(server));
 439   server->ftp_sessions = silc_dlist_init();
 440   server->isnickflag = isnickflag_func;
 441   server->ischannel = ischannel_func;
 442   server->get_nick_flags = get_nick_flags;
 443   server->send_message = (void *) send_message;
 444 }
 445
 446 static void sig_connected(SILC_SERVER_REC *server)
 447 {
 448   int fd;
 449
 450   if (!IS_SILC_SERVER(server))
 451     return;
 452
 453   /* Wrap the socket to TCP stream */
 454   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 455   server->tcp_op =
 456     silc_socket_tcp_stream_create(fd, TRUE, FALSE,
 457                                   silc_client->schedule,
 458                                   sig_connected_stream_created, server);
 459 }
 460
 461 static void sig_disconnected(SILC_SERVER_REC *server)
 462 {
 463   if (!IS_SILC_SERVER(server))
 464     return;
 465
 466   /* If we have a prompt in progress, then abort it. */
 467   if (server->prompt_op) {
 468     silc_async_abort(server->prompt_op, NULL, NULL);
 469     server->prompt_op = NULL;
 470   }
 471
 472   if (server->conn) {
 473     /* Close connection */
 474     silc_client_close_connection(silc_client, server->conn);
 475   } else if (server->op) {
 476     /* Abort on going connecting (key exchange) */
 477     silc_async_abort(server->op, NULL, NULL);
 478     server->op = NULL;
 479   } else if (server->tcp_op) {
 480     /* Abort on going TCP stream creation */
 481     silc_async_abort(server->tcp_op, NULL, NULL);
 482     server->tcp_op = NULL;
 483   }
 484
 485   /* SILC closes the handle */
 486   if (server->handle) {
 487     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 488     net_sendbuffer_destroy(server->handle, FALSE);
 489     server->handle = NULL;
 490   }
 491 }
 492
 493 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 494 {
 495   SILC_SERVER_REC *server;
 496
 497   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 498   if (conn->address == NULL || *conn->address == '\0')
 499     return NULL;
 500   if (conn->nick == NULL || *conn->nick == '\0') {
 501     silc_say_error("Cannot connect: nickname is not set");
 502     return NULL;
 503   }
 504
 505   server = g_new0(SILC_SERVER_REC, 1);
 506   server->chat_type = SILC_PROTOCOL;
 507   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 508   server_connect_ref(conn);
 509
 510   if (server->connrec->port <= 0)
 511     server->connrec->port = 706;
 512
 513   server_connect_init((SERVER_REC *)server);
 514   return (SERVER_REC *)server;
 515 }
 516
 517 void silc_server_connect(SERVER_REC *server)
 518 {
 519   if (!server_start_connect(server)) {
 520     server_connect_unref(server->connrec);
 521     g_free(server);
 522     return;
 523   }
 524 }
 525
 526 /* Return a string of all channels in server in server->channels_join()
 527    format */
 528
 529 char *silc_server_get_channels(SILC_SERVER_REC *server)
 530 {
 531   GSList *tmp;
 532   GString *chans;
 533   char *ret;
 534
 535   g_return_val_if_fail(server != NULL, FALSE);
 536
 537   chans = g_string_new(NULL);
 538   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 539     CHANNEL_REC *channel = tmp->data;
 540     CHANNEL_SETUP_REC *schannel;
 541
 542     if ((schannel = channel_setup_find(channel->name, server->connrec->chatnet)) &&
 543         schannel->password)
 544       g_string_sprintfa(chans, "%s %s,", channel->name,
 545                         schannel->password);
 546     else
 547       g_string_sprintfa(chans, "%s,", channel->name);
 548   }
 549
 550   if (chans->len > 0)
 551     g_string_truncate(chans, chans->len-1);
 552
 553   ret = chans->str;
 554   g_string_free(chans, FALSE);
 555
 556   return ret;
 557 }
 558
 559 /* Syntaxes of all SILC commands for HELP files (the help file generation
 560    will snoop these from here). */
 561
 562 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 563 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 564 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 565 /* SYNTAX: GETKEY <nickname or server name> */
 566 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 567 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 568 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 569 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 570 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 571 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 572 /* SYNTAX: OPER <username> [-pubkey] */
 573 /* SYNTAX: SILCOPER <username> [-pubkey] */
 574 /* SYNTAX: TOPIC <channel> [<topic>] */
 575 /* SYNTAX: UMODE +|-<modes> */
 576 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 577 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 578 /* SYNTAX: CLOSE <server> [<port>] */
 579 /* SYNTAX: MOTD [<server>] */
 580 /* SYNTAX: LIST [<channel>] */
 581 /* SYNTAX: ME <message> */
 582 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 583 /* SYNTAX: AWAY [<message>] */
 584 /* SYNTAX: INFO [<server>] */
 585 /* SYNTAX: NICK <nickname> */
 586 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 587 /* SYNTAX: PART [<channel>] */
 588 /* SYNTAX: PING */
 589 /* SYNTAX: USERS <channel> */
 590 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 591 /* SYNTAX: FILE ACCEPT [<nickname>] */
 592 /* SYNTAX: FILE CLOSE [<nickname>] */
 593 /* SYNTAX: FILE */
 594 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 595 /* SYNTAX: DETACH */
 596 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 597 /* SYNTAX: STATS */
 598 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 599 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 600 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 601
 602 void silc_command_exec(SILC_SERVER_REC *server,
 603                        const char *command, const char *args)
 604 {
 605   char *data;
 606   g_return_if_fail(server != NULL);
 607
 608   /* Call the command */
 609   data = g_strconcat(command, " ", args, NULL);
 610   silc_queue_command_call(silc_client, server->conn, data);
 611   g_free(data);
 612 }
 613
 614 /* Generic command function to call any SILC command directly. */
 615
 616 static void command_self(const char *data, SILC_SERVER_REC *server,
 617                          WI_ITEM_REC *item)
 618 {
 619   CMD_SILC_SERVER(server);
 620
 621   if (!IS_SILC_SERVER(server) || !server->connected) {
 622     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 623     return;
 624   }
 625
 626   if (IS_SILC_CHANNEL(item)) {
 627     SILC_CHANNEL_REC *chanrec;
 628     chanrec = silc_channel_find(server, item->visible_name);
 629     if (chanrec)
 630       server->conn->current_channel = chanrec->entry;
 631   }
 632
 633   silc_command_exec(server, current_command, data);
 634   signal_stop();
 635 }
 636
 637 /* SMSG command, to send digitally signed messages */
 638
 639 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 640                          WI_ITEM_REC *item)
 641 {
 642   GHashTable *optlist;
 643   char *target, *origtarget, *msg;
 644   void *free_arg = NULL;
 645   int free_ret, target_type;
 646
 647   g_return_if_fail(data != NULL);
 648   if (server == NULL || !server->connected)
 649     cmd_param_error(CMDERR_NOT_CONNECTED);
 650
 651   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 652                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 653                       "msg", &optlist, &target, &msg))
 654     return;
 655   if (*target == '\0' || *msg == '\0')
 656     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 657
 658   origtarget = target;
 659   free_ret = FALSE;
 660
 661   if (strcmp(target, "*") == 0) {
 662     if (item == NULL)
 663       cmd_param_error(CMDERR_NOT_JOINED);
 664
 665     target_type = IS_CHANNEL(item) ?
 666       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 667     target = (char *) window_item_get_target(item);
 668   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 669     target_type = SEND_TARGET_CHANNEL;
 670   } else {
 671     target_type = server_ischannel(SERVER(server), target) ?
 672       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 673   }
 674
 675   if (target != NULL) {
 676     char *message = NULL, *t = NULL;
 677     int len, result;
 678
 679     if (!silc_term_utf8()) {
 680       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 681       message = silc_calloc(len + 1, sizeof(*message));
 682       g_return_if_fail(message != NULL);
 683       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 684     }
 685
 686     if (target_type == SEND_TARGET_CHANNEL)
 687       result = silc_send_channel(server, target, message ? message : msg,
 688                                  SILC_MESSAGE_FLAG_UTF8 |
 689                                  SILC_MESSAGE_FLAG_SIGNED);
 690     else {
 691       if (!silc_term_utf8()) {
 692         len = silc_utf8_encoded_len(target, strlen(target),
 693                                     SILC_STRING_LOCALE);
 694         t = silc_calloc(len + 1, sizeof(*t));
 695         g_return_if_fail(t != NULL);
 696         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 697       }
 698       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 699                              message ? strlen(message) : strlen(msg),
 700                              SILC_MESSAGE_FLAG_UTF8 |
 701                              SILC_MESSAGE_FLAG_SIGNED);
 702     }
 703     silc_free(message);
 704     silc_free(t);
 705     if (!result)
 706       goto out;
 707   }
 708
 709   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 710               "message signed_own_public" : "message signed_own_private", 4,
 711               server, msg, target, origtarget);
 712 out:
 713   if (free_ret && target != NULL)
 714     g_free(target);
 715   if (free_arg)
 716     cmd_params_free(free_arg);
 717 }
 718
 719 /* FILE command */
 720
 721 SILC_TASK_CALLBACK(silc_client_file_close_later)
 722 {
 723   FtpSession ftp = (FtpSession)context;
 724
 725   SILC_LOG_DEBUG(("Start"));
 726
 727   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 728   silc_free(ftp->filepath);
 729   silc_free(ftp);
 730 }
 731
 732 static void silc_client_file_monitor(SilcClient client,
 733                                      SilcClientConnection conn,
 734                                      SilcClientMonitorStatus status,
 735                                      SilcClientFileError error,
 736                                      SilcUInt64 offset,
 737                                      SilcUInt64 filesize,
 738                                      SilcClientEntry client_entry,
 739                                      SilcUInt32 session_id,
 740                                      const char *filepath,
 741                                      void *context)
 742 {
 743   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 744   FtpSession ftp;
 745   char fsize[32];
 746
 747   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 748     return;
 749
 750   snprintf(fsize, sizeof(fsize) - 1, "%llu",
 751            (unsigned long long)((filesize + 1023) / 1024));
 752
 753   silc_dlist_start(server->ftp_sessions);
 754   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 755     if (ftp->session_id == session_id) {
 756       if (!ftp->filepath && filepath)
 757         ftp->filepath = strdup(filepath);
 758       break;
 759     }
 760   }
 761
 762   if (ftp == SILC_LIST_END)
 763     return;
 764
 765   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 766       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 767     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 768       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 769                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 770                          client_entry->nickname,
 771                          filepath ? filepath : "[N/A]");
 772     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 773       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 774                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 775                          client_entry->nickname);
 776     else
 777       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 778                          SILCTXT_FILE_ERROR, client_entry->nickname);
 779     silc_schedule_task_add_timeout(silc_client->schedule,
 780                                    silc_client_file_close_later, ftp,
 781                                    1, 0);
 782     silc_dlist_del(server->ftp_sessions, ftp);
 783     if (ftp == server->current_session) {
 784       server->current_session = NULL;
 785       silc_dlist_start(server->ftp_sessions);
 786       server->current_session = silc_dlist_get(server->ftp_sessions);
 787     }
 788   }
 789
 790   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 791     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 792                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 793   }
 794
 795   /* Save some transmission data */
 796   if (offset && filesize) {
 797     unsigned long delta = time(NULL) - ftp->starttime;
 798
 799     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 800     if (delta)
 801       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 802     else
 803       ftp->kps = (double)(offset + 1023) / (double)1024;
 804     ftp->offset = offset;
 805     ftp->filesize = filesize;
 806   }
 807
 808   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 809     if (offset == 0) {
 810       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 811                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 812                          client_entry->nickname);
 813       ftp->starttime = time(NULL);
 814     }
 815     if (offset == filesize) {
 816       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 817                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 818                          client_entry->nickname, ftp->kps);
 819       silc_schedule_task_add_timeout(silc_client->schedule,
 820                                      silc_client_file_close_later, ftp,
 821                                      1, 0);
 822       silc_dlist_del(server->ftp_sessions, ftp);
 823       if (ftp == server->current_session) {
 824         server->current_session = NULL;
 825         silc_dlist_start(server->ftp_sessions);
 826         server->current_session = silc_dlist_get(server->ftp_sessions);
 827       }
 828
 829     }
 830   }
 831
 832   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 833     if (offset == 0) {
 834       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 835                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 836                          client_entry->nickname);
 837       ftp->starttime = time(NULL);
 838     }
 839
 840     if (offset == filesize) {
 841       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 842                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 843                          client_entry->nickname, ftp->kps);
 844       silc_schedule_task_add_timeout(silc_client->schedule,
 845                                      silc_client_file_close_later, ftp,
 846                                      1, 0);
 847       silc_dlist_del(server->ftp_sessions, ftp);
 848       if (ftp == server->current_session) {
 849         server->current_session = NULL;
 850         silc_dlist_start(server->ftp_sessions);
 851         server->current_session = silc_dlist_get(server->ftp_sessions);
 852       }
 853
 854     }
 855   }
 856 }
 857
 858 typedef struct {
 859   SILC_SERVER_REC *server;
 860   char *data;
 861   char *nick;
 862   WI_ITEM_REC *item;
 863 } *FileGetClients;
 864
 865 static void silc_client_command_file_get_clients(SilcClient client,
 866                                                  SilcClientConnection conn,
 867                                                  SilcStatus status,
 868                                                  SilcDList clients,
 869                                                  void *context)
 870 {
 871   FileGetClients internal = (FileGetClients)context;
 872
 873   if (!clients) {
 874     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 875               "There was no such nickname: %s", internal->nick);
 876     silc_free(internal->data);
 877     silc_free(internal->nick);
 878     silc_free(internal);
 879     return;
 880   }
 881
 882   signal_emit("command file", 3, internal->data, internal->server,
 883               internal->item);
 884
 885   silc_free(internal->data);
 886   silc_free(internal->nick);
 887   silc_free(internal);
 888 }
 889
 890 static void command_file(const char *data, SILC_SERVER_REC *server,
 891                          WI_ITEM_REC *item)
 892 {
 893   SilcClientConnection conn;
 894   SilcClientEntry client_entry;
 895   SilcDList entries;
 896   SilcClientFileError ret;
 897   char *nickname = NULL, *tmp;
 898   unsigned char **argv;
 899   SilcUInt32 argc;
 900   SilcUInt32 *argv_lens, *argv_types;
 901   int type = 0;
 902   FtpSession ftp;
 903   char *local_ip = NULL;
 904   SilcUInt32 local_port = 0;
 905   SilcUInt32 session_id;
 906   bool do_not_bind = FALSE;
 907   SilcClientConnectionParams params;
 908
 909   CMD_SILC_SERVER(server);
 910   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 911     cmd_return_error(CMDERR_NOT_CONNECTED);
 912
 913   conn = server->conn;
 914
 915   /* Now parse all arguments */
 916   tmp = g_strconcat("FILE", " ", data, NULL);
 917   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 918   g_free(tmp);
 919
 920   if (argc == 1)
 921     type = 4;
 922
 923   if (argc >= 2) {
 924     if (!strcasecmp(argv[1], "send"))
 925       type = 1;
 926     if (!strcasecmp(argv[1], "accept"))
 927       type = 2;
 928     if (!strcasecmp(argv[1], "close"))
 929       type = 3;
 930   }
 931
 932   if (type == 0)
 933     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 934
 935   switch (type) {
 936   case 1:
 937     if (argc < 4)
 938       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 939
 940     /* Parse the typed nickname. */
 941     silc_client_nickname_parse(silc_client, conn, argv[3], &nickname);
 942     if (!nickname)
 943       nickname = strdup(argv[3]);
 944
 945     /* Find client entry */
 946     entries = silc_client_get_clients_local(silc_client, conn, argv[3], FALSE);
 947     if (!entries) {
 948       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 949       inter->server = server;
 950       inter->data = strdup(data);
 951       inter->nick = strdup(nickname);
 952       inter->item = item;
 953       silc_client_get_clients(silc_client, conn, nickname, NULL,
 954                               silc_client_command_file_get_clients, inter);
 955       goto out;
 956     }
 957     silc_dlist_start(entries);
 958     client_entry = silc_dlist_get(entries);
 959
 960     if (argc >= 5) {
 961       if (!strcasecmp(argv[4], "-no-listener"))
 962         do_not_bind = TRUE;
 963       else
 964         local_ip = argv[4];
 965     }
 966     if (argc >= 6) {
 967       if (!strcasecmp(argv[5], "-no-listener"))
 968         do_not_bind = TRUE;
 969       else
 970         local_port = atoi(argv[5]);
 971     }
 972     if (argc >= 7) {
 973       if (!strcasecmp(argv[6], "-no-listener"))
 974         do_not_bind = TRUE;
 975     }
 976
 977     memset(&params, 0, sizeof(params));
 978     if (!do_not_bind) {
 979       if (local_ip)
 980         params.local_ip = strdup(local_ip);
 981       params.local_port = local_port;
 982       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 983         params.local_ip = (char *)settings_get_str("auto_public_ip");
 984         if ((params.local_ip) && (*params.local_ip == '\0')) {
 985           params.local_ip = silc_net_localip();
 986         } else {
 987           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 988           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 989             params.bind_ip = NULL;
 990           params.local_port = settings_get_int("auto_bind_port");
 991         }
 992       }
 993       if (!params.local_ip)
 994         params.local_ip = silc_net_localip();
 995     }
 996     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 997
 998     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
 999                                 irssi_pubkey, irssi_privkey,
1000                                 silc_client_file_monitor, server, argv[2],
1001                                 &session_id);
1002     if (ret == SILC_CLIENT_FILE_OK) {
1003       ftp = silc_calloc(1, sizeof(*ftp));
1004       ftp->session_id = session_id;
1005
1006       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1007                          SILCTXT_FILE_SEND, client_entry->nickname,
1008                          argv[2]);
1009
1010       ftp->client_entry = client_entry;
1011       ftp->filepath = strdup(argv[2]);
1012       ftp->conn = conn;
1013       ftp->send = TRUE;
1014       silc_dlist_add(server->ftp_sessions, ftp);
1015       server->current_session = ftp;
1016     } else {
1017       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1018         printformat_module("fe-common/silc", server, NULL,
1019                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1020                            client_entry->nickname);
1021       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1022         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1023                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1024                            client_entry->nickname, argv[2]);
1025     }
1026
1027     silc_client_list_free(silc_client, server->conn, entries);
1028     break;
1029
1030   case 2:
1031     /* Parse the typed nickname. */
1032     if (argc >= 3) {
1033       /* Parse the typed nickname. */
1034       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1035       if (!nickname)
1036         nickname = strdup(argv[2]);
1037
1038       /* Find client entry */
1039       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1040                                               FALSE);
1041       if (!entries) {
1042         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1043         inter->server = server;
1044         inter->data = strdup(data);
1045         inter->nick = strdup(nickname);
1046         inter->item = item;
1047         silc_client_get_clients(silc_client, conn, nickname, NULL,
1048                                 silc_client_command_file_get_clients, inter);
1049         goto out;
1050       }
1051       silc_dlist_start(entries);
1052       client_entry = silc_dlist_get(entries);
1053       silc_client_list_free(silc_client, server->conn, entries);
1054     } else {
1055       if (!server->current_session) {
1056         printformat_module("fe-common/silc", server, NULL,
1057                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1058         goto out;
1059       }
1060
1061       memset(&params, 0, sizeof(params));
1062       if (settings_get_bool("use_auto_addr")) {
1063         params.local_ip = (char *)settings_get_str("auto_public_ip");
1064         if ((params.local_ip) && (*params.local_ip == '\0')) {
1065           params.local_ip = silc_net_localip();
1066         } else {
1067           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1068           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1069             params.bind_ip = NULL;
1070           params.local_port = settings_get_int("auto_bind_port");
1071         }
1072       }
1073       if (!params.local_ip)
1074         params.local_ip = silc_net_localip();
1075       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1076
1077       ret = silc_client_file_receive(silc_client, conn, &params,
1078                                      irssi_pubkey, irssi_privkey,
1079                                      silc_client_file_monitor, server, NULL,
1080                                      server->current_session->session_id,
1081                                      NULL, NULL);
1082       if (ret != SILC_CLIENT_FILE_OK) {
1083         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1084           printformat_module("fe-common/silc", server, NULL,
1085                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1086                              server->current_session->client_entry->nickname);
1087         else {
1088           printformat_module("fe-common/silc", server, NULL,
1089                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1090                              server->current_session->client_entry->nickname);
1091
1092           silc_client_file_close(silc_client, conn,
1093                                  server->current_session->session_id);
1094           silc_dlist_del(server->ftp_sessions, server->current_session);
1095           silc_free(server->current_session->filepath);
1096           silc_free(server->current_session);
1097           server->current_session = NULL;
1098
1099           silc_dlist_start(server->ftp_sessions);
1100           server->current_session = silc_dlist_get(server->ftp_sessions);
1101         }
1102       }
1103
1104       goto out;
1105     }
1106
1107     silc_dlist_start(server->ftp_sessions);
1108     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1109       if (ftp->client_entry == client_entry && !ftp->filepath) {
1110         memset(&params, 0, sizeof(params));
1111         if (settings_get_bool("use_auto_addr")) {
1112           params.local_ip = (char *)settings_get_str("auto_public_ip");
1113           if ((params.local_ip) && (*params.local_ip == '\0')) {
1114             params.local_ip = silc_net_localip();
1115           } else {
1116             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1117             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1118               params.bind_ip = NULL;
1119             params.local_port = settings_get_int("auto_bind_port");
1120           }
1121         }
1122         if (!params.local_ip)
1123           params.local_ip = silc_net_localip();
1124         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1125
1126         ret = silc_client_file_receive(silc_client, conn, &params,
1127                                        irssi_pubkey, irssi_privkey,
1128                                        silc_client_file_monitor, server,
1129                                        NULL, ftp->session_id, NULL, NULL);
1130         if (ret != SILC_CLIENT_FILE_OK) {
1131           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1132             printformat_module("fe-common/silc", server, NULL,
1133                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1134                                client_entry->nickname);
1135           else {
1136             printformat_module("fe-common/silc", server, NULL,
1137                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1138                                client_entry->nickname);
1139             silc_client_file_close(silc_client, conn, ftp->session_id);
1140             silc_dlist_del(server->ftp_sessions, ftp);
1141             if (ftp == server->current_session) {
1142               server->current_session = NULL;
1143               silc_dlist_start(server->ftp_sessions);
1144               server->current_session = silc_dlist_get(server->ftp_sessions);
1145             }
1146             silc_free(ftp->filepath);
1147             silc_free(ftp);
1148           }
1149         }
1150         break;
1151       }
1152     }
1153
1154     if (ftp == SILC_LIST_END) {
1155       printformat_module("fe-common/silc", server, NULL,
1156                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1157                          client_entry->nickname);
1158       goto out;
1159     }
1160     break;
1161
1162   case 3:
1163     /* Parse the typed nickname. */
1164     if (argc >= 3) {
1165       /* Parse the typed nickname. */
1166       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1167       if (!nickname)
1168         nickname = strdup(argv[2]);
1169
1170       /* Find client entry */
1171       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1172                                               FALSE);
1173       if (!entries) {
1174         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1175         inter->server = server;
1176         inter->data = strdup(data);
1177         inter->nick = strdup(nickname);
1178         inter->item = item;
1179         silc_client_get_clients(silc_client, conn, nickname, NULL,
1180                                 silc_client_command_file_get_clients, inter);
1181         goto out;
1182       }
1183       silc_dlist_start(entries);
1184       client_entry = silc_dlist_get(entries);
1185       silc_client_list_free(silc_client, server->conn, entries);
1186     } else {
1187       if (!server->current_session) {
1188         printformat_module("fe-common/silc", server, NULL,
1189                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1190         goto out;
1191       }
1192
1193       silc_client_file_close(silc_client, conn,
1194                              server->current_session->session_id);
1195       printformat_module("fe-common/silc", server, NULL,
1196                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1197                          server->current_session->client_entry->nickname,
1198                          server->current_session->filepath ?
1199                          server->current_session->filepath : "[N/A]");
1200       silc_dlist_del(server->ftp_sessions, server->current_session);
1201       silc_free(server->current_session->filepath);
1202       silc_free(server->current_session);
1203       server->current_session = NULL;
1204
1205       silc_dlist_start(server->ftp_sessions);
1206       server->current_session = silc_dlist_get(server->ftp_sessions);
1207       goto out;
1208     }
1209
1210     silc_dlist_start(server->ftp_sessions);
1211     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1212       if (ftp->client_entry == client_entry) {
1213         silc_client_file_close(silc_client, conn, ftp->session_id);
1214         printformat_module("fe-common/silc", server, NULL,
1215                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1216                            client_entry->nickname,
1217                            ftp->filepath ? ftp->filepath : "[N/A]");
1218         silc_dlist_del(server->ftp_sessions, ftp);
1219         if (ftp == server->current_session) {
1220           server->current_session = NULL;
1221           silc_dlist_start(server->ftp_sessions);
1222           server->current_session = silc_dlist_get(server->ftp_sessions);
1223         }
1224         silc_free(ftp->filepath);
1225         silc_free(ftp);
1226         break;
1227       }
1228     }
1229
1230     if (ftp == SILC_LIST_END) {
1231       printformat_module("fe-common/silc", server, NULL,
1232                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1233                          client_entry->nickname);
1234       goto out;
1235     }
1236     break;
1237
1238   case 4:
1239
1240     if (!silc_dlist_count(server->ftp_sessions)) {
1241       printformat_module("fe-common/silc", server, NULL,
1242                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1243       goto out;
1244     }
1245
1246     printformat_module("fe-common/silc", server, NULL,
1247                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1248
1249     silc_dlist_start(server->ftp_sessions);
1250     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1251       printformat_module("fe-common/silc", server, NULL,
1252                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1253                          ftp->client_entry->nickname,
1254                          ftp->session_id,
1255                          ftp->send ? "send" : "receive",
1256                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1257                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1258                          ftp->percent, ftp->kps,
1259                          ftp->filepath ? ftp->filepath : "[N/A]");
1260     }
1261
1262     break;
1263
1264   default:
1265     break;
1266   }
1267
1268  out:
1269   silc_free(nickname);
1270   return;
1271 }
1272
1273 void silc_server_init(void)
1274 {
1275   silc_servers_reconnect_init();
1276
1277   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1278   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1279   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1280   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1281   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1282   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1283   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1284   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1285   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1286   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1287   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1288   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1289   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1290   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1291   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1292   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1293   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1294   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1295   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1296   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1297   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1298   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1299   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1300   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1301   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1302   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1303   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1304   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1305   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1306
1307   command_set_options("connect", "+silcnet");
1308 }
1309
1310 void silc_server_deinit(void)
1311 {
1312   silc_servers_reconnect_deinit();
1313
1314   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1315   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1316   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1317   command_unbind("whois", (SIGNAL_FUNC) command_self);
1318   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1319   command_unbind("nick", (SIGNAL_FUNC) command_self);
1320   command_unbind("topic", (SIGNAL_FUNC) command_self);
1321   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1322   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1323   command_unbind("users", (SIGNAL_FUNC) command_self);
1324   command_unbind("list", (SIGNAL_FUNC) command_self);
1325   command_unbind("oper", (SIGNAL_FUNC) command_self);
1326   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1327   command_unbind("umode", (SIGNAL_FUNC) command_self);
1328   command_unbind("invite", (SIGNAL_FUNC) command_self);
1329   command_unbind("kill", (SIGNAL_FUNC) command_self);
1330   command_unbind("kick", (SIGNAL_FUNC) command_self);
1331   command_unbind("info", (SIGNAL_FUNC) command_self);
1332   command_unbind("ping", (SIGNAL_FUNC) command_self);
1333   command_unbind("motd", (SIGNAL_FUNC) command_self);
1334   command_unbind("ban", (SIGNAL_FUNC) command_self);
1335   command_unbind("close", (SIGNAL_FUNC) command_self);
1336   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1337   command_unbind("file", (SIGNAL_FUNC) command_file);
1338   command_unbind("detach", (SIGNAL_FUNC) command_self);
1339   command_unbind("watch", (SIGNAL_FUNC) command_self);
1340   command_unbind("stats", (SIGNAL_FUNC) command_self);
1341   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1342   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1343 }
1344
1345 void silc_server_free_ftp(SILC_SERVER_REC *server,
1346                           SilcClientEntry client_entry)
1347 {
1348   FtpSession ftp;
1349
1350   silc_dlist_start(server->ftp_sessions);
1351   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1352     if (ftp->client_entry == client_entry) {
1353       silc_dlist_del(server->ftp_sessions, ftp);
1354       silc_free(ftp->filepath);
1355       silc_free(ftp);
1356     }
1357   }
1358 }
1359
1360 bool silc_term_utf8(void)
1361 {
1362   const char *str;
1363   str = settings_get_str("term_charset");
1364   if (str)
1365     if (g_strcasecmp(str, "utf-8") == 0)
1366       return TRUE;
1367   return FALSE;
1368 }