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   server->tcp_op = NULL;
 400   if (!stream) {
 401     server->connection_lost = TRUE;
 402     server_disconnect(SERVER(server));
 403     return;
 404   }
 405
 406   if (server->disconnected) {
 407     silc_stream_destroy(stream);
 408     return;
 409   }
 410
 411   /* Set connection parameters */
 412   memset(&params, 0, sizeof(params));
 413   params.nickname = (opt_nickname ? (char *)opt_nickname :
 414                      (char *)settings_get_str("nick"));
 415   params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 416   params.rekey_secs = settings_get_int("key_exchange_rekey_secs");
 417   params.pfs = settings_get_bool("key_exchange_rekey_pfs");
 418
 419   /* Try to read detached session data and use it if found. */
 420   file = silc_get_session_filename(server);
 421   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 422   if (params.detach_data)
 423     params.detach_data[params.detach_data_len] = 0;
 424   if (params.detach_data)
 425     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 426                         SILCTXT_REATTACH, server->tag);
 427   silc_free(file);
 428
 429   /* Start key exchange */
 430   server->op = silc_client_key_exchange(silc_client, &params,
 431                                         irssi_pubkey, irssi_privkey,
 432                                         stream, SILC_CONN_SERVER,
 433                                         silc_connect_cb, server);
 434   if (!server->op) {
 435     server->connection_lost = TRUE;
 436     server_disconnect(SERVER(server));
 437     silc_stream_destroy(stream);
 438     return;
 439   }
 440
 441   server_ref(SERVER(server));
 442   server->ftp_sessions = silc_dlist_init();
 443   server->isnickflag = isnickflag_func;
 444   server->ischannel = ischannel_func;
 445   server->get_nick_flags = get_nick_flags;
 446   server->send_message = (void *) send_message;
 447 }
 448
 449 static void sig_connected(SILC_SERVER_REC *server)
 450 {
 451   int fd;
 452
 453   if (!IS_SILC_SERVER(server))
 454     return;
 455
 456   /* Wrap the socket to TCP stream */
 457   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 458   server->tcp_op =
 459     silc_socket_tcp_stream_create(fd, TRUE, FALSE,
 460                                   silc_client->schedule,
 461                                   sig_connected_stream_created, server);
 462 }
 463
 464 static void sig_disconnected(SILC_SERVER_REC *server)
 465 {
 466   if (!IS_SILC_SERVER(server))
 467     return;
 468
 469   silc_dlist_uninit(server->ftp_sessions);
 470
 471   if (server->conn) {
 472     /* Close connection */
 473     silc_client_close_connection(silc_client, server->conn);
 474   } else if (server->op) {
 475     /* Abort on going connecting (key exchange) */
 476     silc_async_abort(server->op, NULL, NULL);
 477     server->op = NULL;
 478   } else if (server->tcp_op) {
 479     /* Abort on going TCP stream creation */
 480     silc_async_abort(server->tcp_op, NULL, NULL);
 481     server->tcp_op = NULL;
 482   }
 483
 484   /* SILC closes the handle */
 485   g_io_channel_unref(net_sendbuffer_handle(server->handle));
 486   net_sendbuffer_destroy(server->handle, FALSE);
 487   server->handle = NULL;
 488 }
 489
 490 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 491 {
 492   SILC_SERVER_REC *server;
 493
 494   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 495   if (conn->address == NULL || *conn->address == '\0')
 496     return NULL;
 497   if (conn->nick == NULL || *conn->nick == '\0') {
 498     silc_say_error("Cannot connect: nickname is not set");
 499     return NULL;
 500   }
 501
 502   server = g_new0(SILC_SERVER_REC, 1);
 503   server->chat_type = SILC_PROTOCOL;
 504   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 505   server_connect_ref(conn);
 506
 507   if (server->connrec->port <= 0)
 508     server->connrec->port = 706;
 509
 510   server_connect_init((SERVER_REC *)server);
 511   return (SERVER_REC *)server;
 512 }
 513
 514 void silc_server_connect(SERVER_REC *server)
 515 {
 516   if (!server_start_connect(server)) {
 517     server_connect_unref(server->connrec);
 518     g_free(server);
 519     return;
 520   }
 521 }
 522
 523 /* Return a string of all channels in server in server->channels_join()
 524    format */
 525
 526 char *silc_server_get_channels(SILC_SERVER_REC *server)
 527 {
 528   GSList *tmp;
 529   GString *chans;
 530   char *ret;
 531
 532   g_return_val_if_fail(server != NULL, FALSE);
 533
 534   chans = g_string_new(NULL);
 535   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 536     CHANNEL_REC *channel = tmp->data;
 537
 538     g_string_sprintfa(chans, "%s,", channel->name);
 539   }
 540
 541   if (chans->len > 0)
 542     g_string_truncate(chans, chans->len-1);
 543
 544   ret = chans->str;
 545   g_string_free(chans, FALSE);
 546
 547   return ret;
 548 }
 549
 550 /* Syntaxes of all SILC commands for HELP files (the help file generation
 551    will snoop these from here). */
 552
 553 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 554 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 555 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 556 /* SYNTAX: GETKEY <nickname or server name> */
 557 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 558 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 559 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 560 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 561 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 562 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 563 /* SYNTAX: OPER <username> [-pubkey] */
 564 /* SYNTAX: SILCOPER <username> [-pubkey] */
 565 /* SYNTAX: TOPIC <channel> [<topic>] */
 566 /* SYNTAX: UMODE +|-<modes> */
 567 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 568 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 569 /* SYNTAX: CLOSE <server> [<port>] */
 570 /* SYNTAX: MOTD [<server>] */
 571 /* SYNTAX: LIST [<channel>] */
 572 /* SYNTAX: ME <message> */
 573 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 574 /* SYNTAX: AWAY [<message>] */
 575 /* SYNTAX: INFO [<server>] */
 576 /* SYNTAX: NICK <nickname> */
 577 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 578 /* SYNTAX: PART [<channel>] */
 579 /* SYNTAX: PING */
 580 /* SYNTAX: USERS <channel> */
 581 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 582 /* SYNTAX: FILE ACCEPT [<nickname>] */
 583 /* SYNTAX: FILE CLOSE [<nickname>] */
 584 /* SYNTAX: FILE */
 585 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 586 /* SYNTAX: DETACH */
 587 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 588 /* SYNTAX: STATS */
 589 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 590 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 591 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 592
 593 void silc_command_exec(SILC_SERVER_REC *server,
 594                        const char *command, const char *args)
 595 {
 596   char *data;
 597   g_return_if_fail(server != NULL);
 598
 599   /* Call the command */
 600   data = g_strconcat(command, " ", args, NULL);
 601   silc_queue_command_call(silc_client, server->conn, data);
 602   g_free(data);
 603 }
 604
 605 /* Generic command function to call any SILC command directly. */
 606
 607 static void command_self(const char *data, SILC_SERVER_REC *server,
 608                          WI_ITEM_REC *item)
 609 {
 610   CMD_SILC_SERVER(server);
 611
 612   if (!IS_SILC_SERVER(server) || !server->connected) {
 613     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 614     return;
 615   }
 616
 617   if (IS_SILC_CHANNEL(item)) {
 618     SILC_CHANNEL_REC *chanrec;
 619     chanrec = silc_channel_find(server, item->visible_name);
 620     if (chanrec)
 621       server->conn->current_channel = chanrec->entry;
 622   }
 623
 624   silc_command_exec(server, current_command, data);
 625   signal_stop();
 626 }
 627
 628 /* SMSG command, to send digitally signed messages */
 629
 630 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 631                          WI_ITEM_REC *item)
 632 {
 633   GHashTable *optlist;
 634   char *target, *origtarget, *msg;
 635   void *free_arg;
 636   int free_ret, target_type;
 637
 638   g_return_if_fail(data != NULL);
 639   if (server == NULL || !server->connected)
 640     cmd_param_error(CMDERR_NOT_CONNECTED);
 641
 642   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 643                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 644                       "msg", &optlist, &target, &msg))
 645     return;
 646   if (*target == '\0' || *msg == '\0')
 647     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 648
 649   origtarget = target;
 650   free_ret = FALSE;
 651
 652   if (strcmp(target, "*") == 0) {
 653     if (item == NULL)
 654       cmd_param_error(CMDERR_NOT_JOINED);
 655
 656     target_type = IS_CHANNEL(item) ?
 657       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 658     target = (char *) window_item_get_target(item);
 659   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 660     target_type = SEND_TARGET_CHANNEL;
 661   } else {
 662     target_type = server_ischannel(SERVER(server), target) ?
 663       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 664   }
 665
 666   if (target != NULL) {
 667     char *message = NULL, *t = NULL;
 668     int len, result;
 669
 670     if (!silc_term_utf8()) {
 671       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 672       message = silc_calloc(len + 1, sizeof(*message));
 673       g_return_if_fail(message != NULL);
 674       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 675     }
 676
 677     if (target_type == SEND_TARGET_CHANNEL)
 678       result = silc_send_channel(server, target, message ? message : msg,
 679                                  SILC_MESSAGE_FLAG_UTF8 |
 680                                  SILC_MESSAGE_FLAG_SIGNED);
 681     else {
 682       if (!silc_term_utf8()) {
 683         len = silc_utf8_encoded_len(target, strlen(target),
 684                                     SILC_STRING_LOCALE);
 685         t = silc_calloc(len + 1, sizeof(*t));
 686         g_return_if_fail(t != NULL);
 687         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 688       }
 689       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 690                              message ? strlen(message) : strlen(msg),
 691                              SILC_MESSAGE_FLAG_UTF8 |
 692                              SILC_MESSAGE_FLAG_SIGNED);
 693     }
 694     silc_free(message);
 695     silc_free(t);
 696     if (!result)
 697       goto out;
 698   }
 699
 700   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 701               "message signed_own_public" : "message signed_own_private", 4,
 702               server, msg, target, origtarget);
 703 out:
 704   if (free_ret && target != NULL) g_free(target);
 705   cmd_params_free(free_arg);
 706 }
 707
 708 /* FILE command */
 709
 710 SILC_TASK_CALLBACK(silc_client_file_close_later)
 711 {
 712   FtpSession ftp = (FtpSession)context;
 713
 714   SILC_LOG_DEBUG(("Start"));
 715
 716   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 717   silc_free(ftp->filepath);
 718   silc_free(ftp);
 719 }
 720
 721 static void silc_client_file_monitor(SilcClient client,
 722                                      SilcClientConnection conn,
 723                                      SilcClientMonitorStatus status,
 724                                      SilcClientFileError error,
 725                                      SilcUInt64 offset,
 726                                      SilcUInt64 filesize,
 727                                      SilcClientEntry client_entry,
 728                                      SilcUInt32 session_id,
 729                                      const char *filepath,
 730                                      void *context)
 731 {
 732   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 733   FtpSession ftp;
 734   char fsize[32];
 735
 736   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 737     return;
 738
 739   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 740
 741   silc_dlist_start(server->ftp_sessions);
 742   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 743     if (ftp->session_id == session_id) {
 744       if (!ftp->filepath && filepath)
 745         ftp->filepath = strdup(filepath);
 746       break;
 747     }
 748   }
 749
 750   if (ftp == SILC_LIST_END)
 751     return;
 752
 753   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 754       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 755     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 756       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 757                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 758                          client_entry->nickname,
 759                          filepath ? filepath : "[N/A]");
 760     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 761       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 762                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 763                          client_entry->nickname);
 764     else
 765       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 766                          SILCTXT_FILE_ERROR, client_entry->nickname);
 767     silc_schedule_task_add_timeout(silc_client->schedule,
 768                                    silc_client_file_close_later, ftp,
 769                                    1, 0);
 770     silc_dlist_del(server->ftp_sessions, ftp);
 771     if (ftp == server->current_session) {
 772       server->current_session = NULL;
 773       silc_dlist_start(server->ftp_sessions);
 774       server->current_session = silc_dlist_get(server->ftp_sessions);
 775     }
 776   }
 777
 778   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 779     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 780                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 781   }
 782
 783   /* Save some transmission data */
 784   if (offset && filesize) {
 785     unsigned long delta = time(NULL) - ftp->starttime;
 786
 787     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 788     if (delta)
 789       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 790     else
 791       ftp->kps = (double)(offset + 1023) / (double)1024;
 792     ftp->offset = offset;
 793     ftp->filesize = filesize;
 794   }
 795
 796   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 797     if (offset == 0) {
 798       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 799                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 800                          client_entry->nickname);
 801       ftp->starttime = time(NULL);
 802     }
 803     if (offset == filesize) {
 804       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 805                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 806                          client_entry->nickname, ftp->kps);
 807       silc_schedule_task_add_timeout(silc_client->schedule,
 808                                      silc_client_file_close_later, ftp,
 809                                      1, 0);
 810       silc_dlist_del(server->ftp_sessions, ftp);
 811       if (ftp == server->current_session) {
 812         server->current_session = NULL;
 813         silc_dlist_start(server->ftp_sessions);
 814         server->current_session = silc_dlist_get(server->ftp_sessions);
 815       }
 816
 817     }
 818   }
 819
 820   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 821     if (offset == 0) {
 822       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 823                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 824                          client_entry->nickname);
 825       ftp->starttime = time(NULL);
 826     }
 827
 828     if (offset == filesize) {
 829       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 830                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 831                          client_entry->nickname, ftp->kps);
 832       silc_schedule_task_add_timeout(silc_client->schedule,
 833                                      silc_client_file_close_later, ftp,
 834                                      1, 0);
 835       silc_dlist_del(server->ftp_sessions, ftp);
 836       if (ftp == server->current_session) {
 837         server->current_session = NULL;
 838         silc_dlist_start(server->ftp_sessions);
 839         server->current_session = silc_dlist_get(server->ftp_sessions);
 840       }
 841
 842     }
 843   }
 844 }
 845
 846 typedef struct {
 847   SILC_SERVER_REC *server;
 848   char *data;
 849   char *nick;
 850   WI_ITEM_REC *item;
 851 } *FileGetClients;
 852
 853 static void silc_client_command_file_get_clients(SilcClient client,
 854                                                  SilcClientConnection conn,
 855                                                  SilcStatus status,
 856                                                  SilcDList clients,
 857                                                  void *context)
 858 {
 859   FileGetClients internal = (FileGetClients)context;
 860
 861   if (!clients) {
 862     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 863               internal->nick);
 864     silc_free(internal->data);
 865     silc_free(internal->nick);
 866     silc_free(internal);
 867     return;
 868   }
 869
 870   signal_emit("command file", 3, internal->data, internal->server,
 871               internal->item);
 872
 873   silc_free(internal->data);
 874   silc_free(internal->nick);
 875   silc_free(internal);
 876 }
 877
 878 static void command_file(const char *data, SILC_SERVER_REC *server,
 879                          WI_ITEM_REC *item)
 880 {
 881   SilcClientConnection conn;
 882   SilcClientEntry client_entry;
 883   SilcDList entries;
 884   SilcClientFileError ret;
 885   char nickname[128 + 1], *tmp;
 886   unsigned char **argv;
 887   SilcUInt32 argc;
 888   SilcUInt32 *argv_lens, *argv_types;
 889   int type = 0;
 890   FtpSession ftp;
 891   char *local_ip = NULL;
 892   SilcUInt32 local_port = 0;
 893   SilcUInt32 session_id;
 894   bool do_not_bind = FALSE;
 895   SilcClientConnectionParams params;
 896
 897   CMD_SILC_SERVER(server);
 898   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 899     cmd_return_error(CMDERR_NOT_CONNECTED);
 900
 901   conn = server->conn;
 902
 903   /* Now parse all arguments */
 904   tmp = g_strconcat("FILE", " ", data, NULL);
 905   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 906   g_free(tmp);
 907
 908   if (argc == 1)
 909     type = 4;
 910
 911   if (argc >= 2) {
 912     if (!strcasecmp(argv[1], "send"))
 913       type = 1;
 914     if (!strcasecmp(argv[1], "accept"))
 915       type = 2;
 916     if (!strcasecmp(argv[1], "close"))
 917       type = 3;
 918   }
 919
 920   if (type == 0)
 921     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 922
 923   switch (type) {
 924   case 1:
 925     if (argc < 4)
 926       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 927
 928     /* Parse the typed nickname. */
 929     if (!silc_parse_userfqdn(argv[3], nickname, sizeof(nickname), NULL, 0)) {
 930       printformat_module("fe-common/silc", server, NULL,
 931                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 932       goto out;
 933     }
 934
 935     /* Find client entry */
 936     entries = silc_client_get_clients_local(silc_client, conn, nickname,
 937                                             argv[3]);
 938     if (!entries) {
 939       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 940       inter->server = server;
 941       inter->data = strdup(data);
 942       inter->nick = strdup(nickname);
 943       inter->item = item;
 944       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 945                               silc_client_command_file_get_clients, inter);
 946       goto out;
 947     }
 948     silc_dlist_start(entries);
 949     client_entry = silc_dlist_get(entries);
 950
 951     if (argc >= 5) {
 952       if (!strcasecmp(argv[4], "-no-listener"))
 953         do_not_bind = TRUE;
 954       else
 955         local_ip = argv[4];
 956     }
 957     if (argc >= 6) {
 958       if (!strcasecmp(argv[5], "-no-listener"))
 959         do_not_bind = TRUE;
 960       else
 961         local_port = atoi(argv[5]);
 962     }
 963     if (argc >= 7) {
 964       if (!strcasecmp(argv[6], "-no-listener"))
 965         do_not_bind = TRUE;
 966     }
 967
 968     memset(&params, 0, sizeof(params));
 969     if (!do_not_bind) {
 970       if (local_ip)
 971         params.local_ip = strdup(local_ip);
 972       params.local_port = local_port;
 973       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 974         params.local_ip = (char *)settings_get_str("auto_public_ip");
 975         if ((params.local_ip) && (*params.local_ip == '\0')) {
 976           params.local_ip = silc_net_localip();
 977         } else {
 978           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 979           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 980             params.bind_ip = NULL;
 981           params.local_port = settings_get_int("auto_bind_port");
 982         }
 983       }
 984       if (!params.local_ip)
 985         params.local_ip = silc_net_localip();
 986     }
 987     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 988
 989     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
 990                                 irssi_pubkey, irssi_privkey,
 991                                 silc_client_file_monitor, server, argv[2],
 992                                 &session_id);
 993     if (ret == SILC_CLIENT_FILE_OK) {
 994       ftp = silc_calloc(1, sizeof(*ftp));
 995       ftp->session_id = session_id;
 996
 997       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 998                          SILCTXT_FILE_SEND, client_entry->nickname,
 999                          argv[2]);
1000
1001       ftp->client_entry = client_entry;
1002       ftp->filepath = strdup(argv[2]);
1003       ftp->conn = conn;
1004       ftp->send = TRUE;
1005       silc_dlist_add(server->ftp_sessions, ftp);
1006       server->current_session = ftp;
1007     } else {
1008       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1009         printformat_module("fe-common/silc", server, NULL,
1010                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1011                            client_entry->nickname);
1012       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1013         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1014                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1015                            client_entry->nickname, argv[2]);
1016     }
1017
1018     silc_client_list_free(silc_client, server->conn, entries);
1019     break;
1020
1021   case 2:
1022     /* Parse the typed nickname. */
1023     if (argc >= 3) {
1024       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1025         printformat_module("fe-common/silc", server, NULL,
1026                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1027         goto out;
1028       }
1029
1030       /* Find client entry */
1031       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1032                                               argv[2]);
1033       if (!entries) {
1034         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1035         inter->server = server;
1036         inter->data = strdup(data);
1037         inter->nick = strdup(nickname);
1038         inter->item = item;
1039         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1040                                 silc_client_command_file_get_clients, inter);
1041         goto out;
1042       }
1043       silc_dlist_start(entries);
1044       client_entry = silc_dlist_get(entries);
1045       silc_client_list_free(silc_client, server->conn, entries);
1046     } else {
1047       if (!server->current_session) {
1048         printformat_module("fe-common/silc", server, NULL,
1049                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1050         goto out;
1051       }
1052
1053       memset(&params, 0, sizeof(params));
1054       if (settings_get_bool("use_auto_addr")) {
1055         params.local_ip = (char *)settings_get_str("auto_public_ip");
1056         if ((params.local_ip) && (*params.local_ip == '\0')) {
1057           params.local_ip = silc_net_localip();
1058         } else {
1059           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1060           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1061             params.bind_ip = NULL;
1062           params.local_port = settings_get_int("auto_bind_port");
1063         }
1064       }
1065       if (!params.local_ip)
1066         params.local_ip = silc_net_localip();
1067       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1068
1069       ret = silc_client_file_receive(silc_client, conn, &params,
1070                                      irssi_pubkey, irssi_privkey,
1071                                      silc_client_file_monitor, server, NULL,
1072                                      server->current_session->session_id,
1073                                      NULL, NULL);
1074       if (ret != SILC_CLIENT_FILE_OK) {
1075         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1076           printformat_module("fe-common/silc", server, NULL,
1077                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1078                              server->current_session->client_entry->nickname);
1079         else {
1080           printformat_module("fe-common/silc", server, NULL,
1081                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1082                              server->current_session->client_entry->nickname);
1083
1084           silc_client_file_close(silc_client, conn,
1085                                  server->current_session->session_id);
1086           silc_dlist_del(server->ftp_sessions, server->current_session);
1087           silc_free(server->current_session->filepath);
1088           silc_free(server->current_session);
1089           server->current_session = NULL;
1090
1091           silc_dlist_start(server->ftp_sessions);
1092           server->current_session = silc_dlist_get(server->ftp_sessions);
1093         }
1094       }
1095
1096       goto out;
1097     }
1098
1099     silc_dlist_start(server->ftp_sessions);
1100     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1101       if (ftp->client_entry == client_entry && !ftp->filepath) {
1102         memset(&params, 0, sizeof(params));
1103         if (settings_get_bool("use_auto_addr")) {
1104           params.local_ip = (char *)settings_get_str("auto_public_ip");
1105           if ((params.local_ip) && (*params.local_ip == '\0')) {
1106             params.local_ip = silc_net_localip();
1107           } else {
1108             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1109             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1110               params.bind_ip = NULL;
1111             params.local_port = settings_get_int("auto_bind_port");
1112           }
1113         }
1114         if (!params.local_ip)
1115           params.local_ip = silc_net_localip();
1116         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1117
1118         ret = silc_client_file_receive(silc_client, conn, &params,
1119                                        irssi_pubkey, irssi_privkey,
1120                                        silc_client_file_monitor, server,
1121                                        NULL, ftp->session_id, NULL, NULL);
1122         if (ret != SILC_CLIENT_FILE_OK) {
1123           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1124             printformat_module("fe-common/silc", server, NULL,
1125                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1126                                client_entry->nickname);
1127           else {
1128             printformat_module("fe-common/silc", server, NULL,
1129                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1130                                client_entry->nickname);
1131             silc_client_file_close(silc_client, conn, ftp->session_id);
1132             silc_dlist_del(server->ftp_sessions, ftp);
1133             if (ftp == server->current_session) {
1134               server->current_session = NULL;
1135               silc_dlist_start(server->ftp_sessions);
1136               server->current_session = silc_dlist_get(server->ftp_sessions);
1137             }
1138             silc_free(ftp->filepath);
1139             silc_free(ftp);
1140           }
1141         }
1142         break;
1143       }
1144     }
1145
1146     if (ftp == SILC_LIST_END) {
1147       printformat_module("fe-common/silc", server, NULL,
1148                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1149                          client_entry->nickname);
1150       goto out;
1151     }
1152     break;
1153
1154   case 3:
1155     /* Parse the typed nickname. */
1156     if (argc >= 3) {
1157       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1158         printformat_module("fe-common/silc", server, NULL,
1159                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1160         goto out;
1161       }
1162
1163       /* Find client entry */
1164       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1165                                               argv[2]);
1166       if (!entries) {
1167         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1168         inter->server = server;
1169         inter->data = strdup(data);
1170         inter->nick = strdup(nickname);
1171         inter->item = item;
1172         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1173                                 silc_client_command_file_get_clients, inter);
1174         goto out;
1175       }
1176       silc_dlist_start(entries);
1177       client_entry = silc_dlist_get(entries);
1178       silc_client_list_free(silc_client, server->conn, entries);
1179     } else {
1180       if (!server->current_session) {
1181         printformat_module("fe-common/silc", server, NULL,
1182                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1183         goto out;
1184       }
1185
1186       silc_client_file_close(silc_client, conn,
1187                              server->current_session->session_id);
1188       printformat_module("fe-common/silc", server, NULL,
1189                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1190                          server->current_session->client_entry->nickname,
1191                          server->current_session->filepath ?
1192                          server->current_session->filepath : "[N/A]");
1193       silc_dlist_del(server->ftp_sessions, server->current_session);
1194       silc_free(server->current_session->filepath);
1195       silc_free(server->current_session);
1196       server->current_session = NULL;
1197
1198       silc_dlist_start(server->ftp_sessions);
1199       server->current_session = silc_dlist_get(server->ftp_sessions);
1200       goto out;
1201     }
1202
1203     silc_dlist_start(server->ftp_sessions);
1204     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1205       if (ftp->client_entry == client_entry) {
1206         silc_client_file_close(silc_client, conn, ftp->session_id);
1207         printformat_module("fe-common/silc", server, NULL,
1208                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1209                            client_entry->nickname,
1210                            ftp->filepath ? ftp->filepath : "[N/A]");
1211         silc_dlist_del(server->ftp_sessions, ftp);
1212         if (ftp == server->current_session) {
1213           server->current_session = NULL;
1214           silc_dlist_start(server->ftp_sessions);
1215           server->current_session = silc_dlist_get(server->ftp_sessions);
1216         }
1217         silc_free(ftp->filepath);
1218         silc_free(ftp);
1219         break;
1220       }
1221     }
1222
1223     if (ftp == SILC_LIST_END) {
1224       printformat_module("fe-common/silc", server, NULL,
1225                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1226                          client_entry->nickname);
1227       goto out;
1228     }
1229     break;
1230
1231   case 4:
1232
1233     if (!silc_dlist_count(server->ftp_sessions)) {
1234       printformat_module("fe-common/silc", server, NULL,
1235                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1236       goto out;
1237     }
1238
1239     printformat_module("fe-common/silc", server, NULL,
1240                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1241
1242     silc_dlist_start(server->ftp_sessions);
1243     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1244       printformat_module("fe-common/silc", server, NULL,
1245                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1246                          ftp->client_entry->nickname,
1247                          ftp->session_id,
1248                          ftp->send ? "send" : "receive",
1249                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1250                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1251                          ftp->percent, ftp->kps,
1252                          ftp->filepath ? ftp->filepath : "[N/A]");
1253     }
1254
1255     break;
1256
1257   default:
1258     break;
1259   }
1260
1261  out:
1262   return;
1263 }
1264
1265 void silc_server_init(void)
1266 {
1267   silc_servers_reconnect_init();
1268
1269   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1270   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1271   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1272   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1273   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1274   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1275   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1276   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1277   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1278   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1279   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1280   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1281   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1282   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1283   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1284   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1285   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1286   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1287   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1288   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1289   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1290   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1291   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1292   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1293   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1294   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1295   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1296   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1297   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1298
1299   command_set_options("connect", "+silcnet");
1300 }
1301
1302 void silc_server_deinit(void)
1303 {
1304   silc_servers_reconnect_deinit();
1305
1306   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1307   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1308   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1309   command_unbind("whois", (SIGNAL_FUNC) command_self);
1310   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1311   command_unbind("nick", (SIGNAL_FUNC) command_self);
1312   command_unbind("topic", (SIGNAL_FUNC) command_self);
1313   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1314   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1315   command_unbind("users", (SIGNAL_FUNC) command_self);
1316   command_unbind("list", (SIGNAL_FUNC) command_self);
1317   command_unbind("oper", (SIGNAL_FUNC) command_self);
1318   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1319   command_unbind("umode", (SIGNAL_FUNC) command_self);
1320   command_unbind("invite", (SIGNAL_FUNC) command_self);
1321   command_unbind("kill", (SIGNAL_FUNC) command_self);
1322   command_unbind("kick", (SIGNAL_FUNC) command_self);
1323   command_unbind("info", (SIGNAL_FUNC) command_self);
1324   command_unbind("ping", (SIGNAL_FUNC) command_self);
1325   command_unbind("motd", (SIGNAL_FUNC) command_self);
1326   command_unbind("ban", (SIGNAL_FUNC) command_self);
1327   command_unbind("close", (SIGNAL_FUNC) command_self);
1328   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1329   command_unbind("file", (SIGNAL_FUNC) command_file);
1330   command_unbind("detach", (SIGNAL_FUNC) command_self);
1331   command_unbind("watch", (SIGNAL_FUNC) command_self);
1332   command_unbind("stats", (SIGNAL_FUNC) command_self);
1333   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1334   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1335 }
1336
1337 void silc_server_free_ftp(SILC_SERVER_REC *server,
1338                           SilcClientEntry client_entry)
1339 {
1340   FtpSession ftp;
1341
1342   silc_dlist_start(server->ftp_sessions);
1343   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1344     if (ftp->client_entry == client_entry) {
1345       silc_dlist_del(server->ftp_sessions, ftp);
1346       silc_free(ftp->filepath);
1347       silc_free(ftp);
1348     }
1349   }
1350 }
1351
1352 bool silc_term_utf8(void)
1353 {
1354   const char *str;
1355   str = settings_get_str("term_charset");
1356   if (str)
1357     if (g_strcasecmp(str, "utf-8") == 0)
1358       return TRUE;
1359   return FALSE;
1360 }