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

   1 /*
   2   silc-server.c : irssi
   3
   4   Copyright (C) 2000 - 2007 Timo Sirainen
   5                             Pekka Riikonen <priikone@silcnet.org>
   6
   7   This program is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU General Public License as published by
   9   the Free Software Foundation; either version 2 of the License, or
  10   (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22 #include "module.h"
  23
  24 #include "net-nonblock.h"
  25 #include "net-sendbuffer.h"
  26 #include "signals.h"
  27 #include "servers.h"
  28 #include "commands.h"
  29 #include "levels.h"
  30 #include "modules.h"
  31 #include "rawlog.h"
  32 #include "misc.h"
  33 #include "settings.h"
  34
  35 #include "servers-setup.h"
  36
  37 #include "client_ops.h"
  38 #include "silc-servers.h"
  39 #include "silc-channels.h"
  40 #include "silc-queries.h"
  41 #include "silc-nicklist.h"
  42 #include "silc-cmdqueue.h"
  43 #include "window-item-def.h"
  44
  45 #include "fe-common/core/printtext.h"
  46 #include "fe-common/core/fe-channels.h"
  47 #include "fe-common/core/keyboard.h"
  48 #include "fe-common/silc/module-formats.h"
  49
  50 #include "silc-commands.h"
  51
  52 void silc_servers_reconnect_init(void);
  53 void silc_servers_reconnect_deinit(void);
  54
  55 int silc_send_channel(SILC_SERVER_REC *server,
  56                       char *channel, char *msg,
  57                       SilcMessageFlags flags)
  58 {
  59   SILC_CHANNEL_REC *rec;
  60
  61   rec = silc_channel_find(server, channel);
  62   if (rec == NULL || rec->entry == NULL) {
  63     cmd_return_error_value(CMDERR_NOT_JOINED, FALSE);
  64   }
  65
  66   return silc_client_send_channel_message(silc_client, server->conn,
  67                                           rec->entry, NULL, flags, sha1hash,
  68                                           msg, strlen(msg));
  69 }
  70
  71 typedef struct {
  72   char *nick;
  73   char *msg;
  74   int len;
  75   SilcMessageFlags flags;
  76   SILC_SERVER_REC *server;
  77 } PRIVMSG_REC;
  78
  79 /* Callback function that sends the private message if the client was
  80    resolved from the server. */
  81
  82 static void silc_send_msg_clients(SilcClient client,
  83                                   SilcClientConnection conn,
  84                                   SilcStatus status,
  85                                   SilcDList clients,
  86                                   void *context)
  87 {
  88   PRIVMSG_REC *rec = context;
  89   SILC_SERVER_REC *server = rec->server;
  90   SilcClientEntry target;
  91   char nickname[128 + 1];
  92   SilcDList lclients = NULL;
  93
  94   if (!clients) {
  95     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  96               "%s: There is no such client", rec->nick);
  97   } else {
  98     if (silc_dlist_count(clients) > 1) {
  99       silc_parse_userfqdn(rec->nick, nickname, sizeof(nickname), NULL, 0);
 100
 101       /* Find the correct one. The rec->nick might be a formatted nick
 102          so this will find the correct one. */
 103       clients = lclients =
 104         silc_client_get_clients_local(silc_client, server->conn,
 105                                       nickname, rec->nick);
 106       if (!clients) {
 107         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 108                   "%s: There is no such client", rec->nick);
 109         goto out;
 110       }
 111     }
 112
 113     target = silc_dlist_get(clients);
 114
 115     /* Still check for exact math for nickname, this compares the
 116        real (formatted) nickname and the nick (maybe formatted) that
 117        user gave. This is to assure that `nick' does not match
 118        `nick@host'. */
 119     if (!silc_utf8_strcasecmp(rec->nick, target->nickname)) {
 120       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 121                 "%s: There is no such client", rec->nick);
 122       goto out;
 123     }
 124
 125     /* Send the private message */
 126     silc_client_send_private_message(client, conn, target,
 127                                      rec->flags, sha1hash,
 128                                      rec->msg, rec->len);
 129   }
 130
 131  out:
 132   silc_client_list_free(silc_client, server->conn, lclients);
 133   g_free(rec->nick);
 134   g_free(rec->msg);
 135   g_free(rec);
 136 }
 137
 138 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 139                   int msg_len, SilcMessageFlags flags)
 140 {
 141   PRIVMSG_REC *rec;
 142   char nickname[128 + 1];
 143   SilcDList clients;
 144   SilcClientEntry target;
 145   int ret;
 146
 147   if (!silc_parse_userfqdn(nick, nickname, sizeof(nickname), NULL, 0)) {
 148     printformat_module("fe-common/silc", server, NULL,
 149                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 150     return FALSE;
 151   }
 152
 153   /* Find client entry */
 154   clients = silc_client_get_clients_local(silc_client, server->conn,
 155                                           nickname, nick);
 156   if (!clients) {
 157     rec = g_new0(PRIVMSG_REC, 1);
 158     rec->nick = g_strdup(nick);
 159     rec->msg = g_strdup(msg);
 160     rec->server = server;
 161     rec->flags = flags;
 162     rec->len = msg_len;
 163
 164     /* Could not find client with that nick, resolve it from server. */
 165     silc_client_get_clients_whois(silc_client, server->conn,
 166                                   nickname, NULL, NULL,
 167                                   silc_send_msg_clients, rec);
 168     return TRUE;
 169   }
 170
 171   /* Send the private message directly */
 172   target = silc_dlist_get(clients);
 173   ret = silc_client_send_private_message(silc_client, server->conn,
 174                                          target, flags, sha1hash,
 175                                          msg, msg_len);
 176
 177   silc_client_list_free(silc_client, server->conn, clients);
 178
 179   return ret;
 180 }
 181
 182 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 183                     const char *data, int sign)
 184 {
 185   char *unescaped_data;
 186   SilcUInt32 unescaped_data_len;
 187   int target_type;
 188
 189   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 190     return;
 191
 192   if (channel) {
 193     target_type = SEND_TARGET_CHANNEL;
 194   } else {
 195     target_type = server_ischannel(SERVER(server), to) ?
 196       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 197   }
 198
 199   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 200
 201   if (target_type == SEND_TARGET_CHANNEL) {
 202     SILC_CHANNEL_REC *rec;
 203
 204     rec = silc_channel_find(server, to);
 205     if (rec == NULL || rec->entry == NULL) {
 206       cmd_return_error(CMDERR_NOT_JOINED);
 207     }
 208
 209     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 210                                      NULL, SILC_MESSAGE_FLAG_DATA |
 211                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 212                                      sha1hash, unescaped_data,
 213                                      unescaped_data_len);
 214   } else {
 215     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 216                   SILC_MESSAGE_FLAG_DATA |
 217                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 218
 219   }
 220
 221   signal_stop();
 222
 223   silc_free(unescaped_data);
 224 }
 225
 226 static int isnickflag_func(SERVER_REC *server, char flag)
 227 {
 228   return flag == '@' || flag == '+';
 229 }
 230
 231 static int ischannel_func(SERVER_REC *server, const char *data)
 232 {
 233   return FALSE;
 234 }
 235
 236 const char *get_nick_flags(SERVER_REC *server)
 237 {
 238   return "@\0\0";
 239 }
 240
 241 static void send_message(SILC_SERVER_REC *server, char *target,
 242                          char *msg, int target_type)
 243 {
 244   char *message = NULL, *t = NULL;
 245   int len;
 246   SilcBool sign;
 247
 248   g_return_if_fail(server != NULL);
 249   g_return_if_fail(target != NULL);
 250   g_return_if_fail(msg != NULL);
 251
 252   if (!silc_term_utf8()) {
 253     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 254     message = silc_calloc(len + 1, sizeof(*message));
 255     g_return_if_fail(message != NULL);
 256     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 257   }
 258
 259   if (target_type == SEND_TARGET_CHANNEL) {
 260     sign = settings_get_bool("sign_channel_messages");
 261     silc_send_channel(server, target, message ? message : msg,
 262                       SILC_MESSAGE_FLAG_UTF8 |
 263                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 264   } else {
 265     sign = settings_get_bool("sign_private_messages");
 266     if (!silc_term_utf8()) {
 267       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 268       t = silc_calloc(len + 1, sizeof(*t));
 269       g_return_if_fail(t != NULL);
 270       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 271     }
 272
 273     silc_send_msg(server, t ? t : target, message ? message : msg,
 274                   message ? strlen(message) : strlen(msg),
 275                   SILC_MESSAGE_FLAG_UTF8 |
 276                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 277   }
 278
 279   silc_free(message);
 280   silc_free(t);
 281 }
 282
 283 /* Connection callback */
 284
 285 static void silc_connect_cb(SilcClient client,
 286                             SilcClientConnection conn,
 287                             SilcClientConnectionStatus status,
 288                             SilcStatus error,
 289                             const char *message,
 290                             void *context)
 291 {
 292   SILC_SERVER_REC *server = context;
 293   char *file;
 294
 295   SILC_LOG_DEBUG(("Connection callback %p, status %d, error %d, message %s",
 296                   conn, status, error, message ? message : "N/A"));
 297
 298   server->op = NULL;
 299
 300   switch (status) {
 301   case SILC_CLIENT_CONN_SUCCESS:
 302     if (server->disconnected) {
 303       silc_client_close_connection(client, conn);
 304       return;
 305     }
 306
 307     /* We have successfully connected to server */
 308
 309     /* Enable queueing until we have our requested nick */
 310     if (((opt_nickname &&
 311           strcmp(opt_nickname, conn->local_entry->nickname)) ||
 312          (settings_get_str("nick") &&
 313           strcmp(settings_get_str("nick"), conn->local_entry->nickname))) &&
 314         !strcmp(conn->local_entry->nickname, conn->local_entry->username))
 315       silc_queue_enable(conn);
 316
 317     /* Put default attributes */
 318     silc_query_attributes_default(silc_client, conn);
 319
 320     server->connected = TRUE;
 321     server->conn = conn;
 322     server->conn->context = server;
 323     signal_emit("event connected", 1, server);
 324     break;
 325
 326   case SILC_CLIENT_CONN_SUCCESS_RESUME:
 327     if (server->disconnected) {
 328       silc_client_close_connection(client, conn);
 329       return;
 330     }
 331
 332     /* We have successfully resumed old detached session */
 333     server->connected = TRUE;
 334     server->conn = conn;
 335     server->conn->context = server;
 336     signal_emit("event connected", 1, server);
 337
 338     /* Put default attributes */
 339     silc_query_attributes_default(silc_client, conn);
 340
 341     /* Remove the detach data now */
 342     file = silc_get_session_filename(server);
 343     unlink(file);
 344     silc_free(file);
 345     break;
 346
 347   case SILC_CLIENT_CONN_DISCONNECTED:
 348     /* Server disconnected */
 349     if (server->conn && server->conn->local_entry) {
 350       nicklist_rename_unique(SERVER(server),
 351                              server->conn->local_entry, server->nick,
 352                              server->conn->local_entry,
 353                              silc_client->username);
 354       silc_change_nick(server, silc_client->username);
 355     }
 356
 357     if (message)
 358       silc_say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
 359                "Server closed connection: %s (%d) %s",
 360                silc_get_status_message(error), error,
 361                message ? message : "");
 362
 363     if (server->conn)
 364       server->conn->context = NULL;
 365     server->conn = NULL;
 366     server->connection_lost = TRUE;
 367     if (!server->disconnected)
 368       server_disconnect(SERVER(server));
 369     server_unref(SERVER(server));
 370     break;
 371
 372   default:
 373     file = silc_get_session_filename(server);
 374     if (silc_file_size(file) > 0)
 375       printformat_module("fe-common/silc", server, NULL,
 376                          MSGLEVEL_CRAP, SILCTXT_REATTACH_FAILED, file);
 377     silc_free(file);
 378
 379     server->connection_lost = TRUE;
 380     server->conn = NULL;
 381     if (server->conn)
 382       server->conn->context = NULL;
 383     if (!server->disconnected)
 384       server_disconnect(SERVER(server));
 385     server_unref(SERVER(server));
 386     break;
 387   }
 388 }
 389
 390 /* Called after TCP stream has been created */
 391
 392 static void sig_connected_stream_created(SilcSocketStreamStatus status,
 393                                          SilcStream stream, void *context)
 394 {
 395   SILC_SERVER_REC *server = context;
 396   SilcClientConnectionParams params;
 397   char *file;
 398
 399   if (!stream) {
 400     server->connection_lost = TRUE;
 401     server_disconnect(SERVER(server));
 402     return;
 403   }
 404
 405   if (server->disconnected) {
 406     silc_stream_destroy(stream);
 407     return;
 408   }
 409
 410   /* Set connection parameters */
 411   memset(&params, 0, sizeof(params));
 412   params.nickname = (opt_nickname ? (char *)opt_nickname :
 413                      (char *)settings_get_str("nick"));
 414   params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 415   params.rekey_secs = settings_get_int("key_exchange_rekey_secs");
 416   params.pfs = settings_get_bool("key_exchange_rekey_pfs");
 417
 418   /* Try to read detached session data and use it if found. */
 419   file = silc_get_session_filename(server);
 420   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 421   if (params.detach_data)
 422     params.detach_data[params.detach_data_len] = 0;
 423   if (params.detach_data)
 424     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 425                         SILCTXT_REATTACH, server->tag);
 426   silc_free(file);
 427
 428   /* Start key exchange */
 429   server->op = silc_client_key_exchange(silc_client, &params,
 430                                         irssi_pubkey, irssi_privkey,
 431                                         stream, SILC_CONN_SERVER,
 432                                         silc_connect_cb, server);
 433   if (!server->op) {
 434     server->connection_lost = TRUE;
 435     server_disconnect(SERVER(server));
 436     silc_stream_destroy(stream);
 437     return;
 438   }
 439
 440   server_ref(SERVER(server));
 441   server->ftp_sessions = silc_dlist_init();
 442   server->isnickflag = isnickflag_func;
 443   server->ischannel = ischannel_func;
 444   server->get_nick_flags = get_nick_flags;
 445   server->send_message = (void *) send_message;
 446 }
 447
 448 static void sig_connected(SILC_SERVER_REC *server)
 449 {
 450   int fd;
 451
 452   if (!IS_SILC_SERVER(server))
 453     return;
 454
 455   /* Wrap the socket to TCP stream */
 456   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 457   silc_socket_tcp_stream_create(fd, TRUE, FALSE, 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   silc_dlist_uninit(server->ftp_sessions);
 467
 468   if (server->conn) {
 469     /* Close connection */
 470     silc_client_close_connection(silc_client, server->conn);
 471   } else if (server->op) {
 472     /* Abort on going connecting (key exchange) */
 473     silc_async_abort(server->op, NULL, NULL);
 474     server->op = NULL;
 475   }
 476
 477   /* SILC closes the handle */
 478   g_io_channel_unref(net_sendbuffer_handle(server->handle));
 479   net_sendbuffer_destroy(server->handle, FALSE);
 480   server->handle = NULL;
 481 }
 482
 483 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 484 {
 485   SILC_SERVER_REC *server;
 486
 487   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 488   if (conn->address == NULL || *conn->address == '\0')
 489     return NULL;
 490   if (conn->nick == NULL || *conn->nick == '\0') {
 491     silc_say_error("Cannot connect: nickname is not set");
 492     return NULL;
 493   }
 494
 495   server = g_new0(SILC_SERVER_REC, 1);
 496   server->chat_type = SILC_PROTOCOL;
 497   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 498   server_connect_ref(conn);
 499
 500   if (server->connrec->port <= 0)
 501     server->connrec->port = 706;
 502
 503   server_connect_init((SERVER_REC *)server);
 504   return (SERVER_REC *)server;
 505 }
 506
 507 void silc_server_connect(SERVER_REC *server)
 508 {
 509   if (!server_start_connect(server)) {
 510     server_connect_unref(server->connrec);
 511     g_free(server);
 512     return;
 513   }
 514 }
 515
 516 /* Return a string of all channels in server in server->channels_join()
 517    format */
 518
 519 char *silc_server_get_channels(SILC_SERVER_REC *server)
 520 {
 521   GSList *tmp;
 522   GString *chans;
 523   char *ret;
 524
 525   g_return_val_if_fail(server != NULL, FALSE);
 526
 527   chans = g_string_new(NULL);
 528   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 529     CHANNEL_REC *channel = tmp->data;
 530
 531     g_string_sprintfa(chans, "%s,", channel->name);
 532   }
 533
 534   if (chans->len > 0)
 535     g_string_truncate(chans, chans->len-1);
 536
 537   ret = chans->str;
 538   g_string_free(chans, FALSE);
 539
 540   return ret;
 541 }
 542
 543 /* Syntaxes of all SILC commands for HELP files (the help file generation
 544    will snoop these from here). */
 545
 546 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 547 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 548 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 549 /* SYNTAX: GETKEY <nickname or server name> */
 550 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 551 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 552 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 553 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 554 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 555 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 556 /* SYNTAX: OPER <username> [-pubkey] */
 557 /* SYNTAX: SILCOPER <username> [-pubkey] */
 558 /* SYNTAX: TOPIC <channel> [<topic>] */
 559 /* SYNTAX: UMODE +|-<modes> */
 560 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 561 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 562 /* SYNTAX: CLOSE <server> [<port>] */
 563 /* SYNTAX: MOTD [<server>] */
 564 /* SYNTAX: LIST [<channel>] */
 565 /* SYNTAX: ME <message> */
 566 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 567 /* SYNTAX: AWAY [<message>] */
 568 /* SYNTAX: INFO [<server>] */
 569 /* SYNTAX: NICK <nickname> */
 570 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 571 /* SYNTAX: PART [<channel>] */
 572 /* SYNTAX: PING */
 573 /* SYNTAX: USERS <channel> */
 574 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 575 /* SYNTAX: FILE ACCEPT [<nickname>] */
 576 /* SYNTAX: FILE CLOSE [<nickname>] */
 577 /* SYNTAX: FILE */
 578 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 579 /* SYNTAX: DETACH */
 580 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 581 /* SYNTAX: STATS */
 582 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 583 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 584 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 585
 586 void silc_command_exec(SILC_SERVER_REC *server,
 587                        const char *command, const char *args)
 588 {
 589   char *data;
 590   g_return_if_fail(server != NULL);
 591
 592   /* Call the command */
 593   data = g_strconcat(command, " ", args, NULL);
 594   silc_queue_command_call(silc_client, server->conn, data);
 595   g_free(data);
 596 }
 597
 598 /* Generic command function to call any SILC command directly. */
 599
 600 static void command_self(const char *data, SILC_SERVER_REC *server,
 601                          WI_ITEM_REC *item)
 602 {
 603   CMD_SILC_SERVER(server);
 604
 605   if (!IS_SILC_SERVER(server) || !server->connected) {
 606     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 607     return;
 608   }
 609
 610   if (IS_SILC_CHANNEL(item)) {
 611     SILC_CHANNEL_REC *chanrec;
 612     chanrec = silc_channel_find(server, item->visible_name);
 613     if (chanrec)
 614       server->conn->current_channel = chanrec->entry;
 615   }
 616
 617   silc_command_exec(server, current_command, data);
 618   signal_stop();
 619 }
 620
 621 /* SMSG command, to send digitally signed messages */
 622
 623 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 624                          WI_ITEM_REC *item)
 625 {
 626   GHashTable *optlist;
 627   char *target, *origtarget, *msg;
 628   void *free_arg;
 629   int free_ret, target_type;
 630
 631   g_return_if_fail(data != NULL);
 632   if (server == NULL || !server->connected)
 633     cmd_param_error(CMDERR_NOT_CONNECTED);
 634
 635   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 636                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 637                       "msg", &optlist, &target, &msg))
 638     return;
 639   if (*target == '\0' || *msg == '\0')
 640     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 641
 642   origtarget = target;
 643   free_ret = FALSE;
 644
 645   if (strcmp(target, "*") == 0) {
 646     if (item == NULL)
 647       cmd_param_error(CMDERR_NOT_JOINED);
 648
 649     target_type = IS_CHANNEL(item) ?
 650       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 651     target = (char *) window_item_get_target(item);
 652   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 653     target_type = SEND_TARGET_CHANNEL;
 654   } else {
 655     target_type = server_ischannel(SERVER(server), target) ?
 656       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 657   }
 658
 659   if (target != NULL) {
 660     char *message = NULL, *t = NULL;
 661     int len, result;
 662
 663     if (!silc_term_utf8()) {
 664       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 665       message = silc_calloc(len + 1, sizeof(*message));
 666       g_return_if_fail(message != NULL);
 667       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 668     }
 669
 670     if (target_type == SEND_TARGET_CHANNEL)
 671       result = silc_send_channel(server, target, message ? message : msg,
 672                                  SILC_MESSAGE_FLAG_UTF8 |
 673                                  SILC_MESSAGE_FLAG_SIGNED);
 674     else {
 675       if (!silc_term_utf8()) {
 676         len = silc_utf8_encoded_len(target, strlen(target),
 677                                     SILC_STRING_LOCALE);
 678         t = silc_calloc(len + 1, sizeof(*t));
 679         g_return_if_fail(t != NULL);
 680         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 681       }
 682       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 683                              message ? strlen(message) : strlen(msg),
 684                              SILC_MESSAGE_FLAG_UTF8 |
 685                              SILC_MESSAGE_FLAG_SIGNED);
 686     }
 687     silc_free(message);
 688     silc_free(t);
 689     if (!result)
 690       goto out;
 691   }
 692
 693   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 694               "message signed_own_public" : "message signed_own_private", 4,
 695               server, msg, target, origtarget);
 696 out:
 697   if (free_ret && target != NULL) g_free(target);
 698   cmd_params_free(free_arg);
 699 }
 700
 701 /* FILE command */
 702
 703 SILC_TASK_CALLBACK(silc_client_file_close_later)
 704 {
 705   FtpSession ftp = (FtpSession)context;
 706
 707   SILC_LOG_DEBUG(("Start"));
 708
 709   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 710   silc_free(ftp->filepath);
 711   silc_free(ftp);
 712 }
 713
 714 static void silc_client_file_monitor(SilcClient client,
 715                                      SilcClientConnection conn,
 716                                      SilcClientMonitorStatus status,
 717                                      SilcClientFileError error,
 718                                      SilcUInt64 offset,
 719                                      SilcUInt64 filesize,
 720                                      SilcClientEntry client_entry,
 721                                      SilcUInt32 session_id,
 722                                      const char *filepath,
 723                                      void *context)
 724 {
 725   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 726   FtpSession ftp;
 727   char fsize[32];
 728
 729   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 730     return;
 731
 732   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 733
 734   silc_dlist_start(server->ftp_sessions);
 735   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 736     if (ftp->session_id == session_id) {
 737       if (!ftp->filepath && filepath)
 738         ftp->filepath = strdup(filepath);
 739       break;
 740     }
 741   }
 742
 743   if (ftp == SILC_LIST_END)
 744     return;
 745
 746   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 747       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 748     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 749       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 750                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 751                          client_entry->nickname,
 752                          filepath ? filepath : "[N/A]");
 753     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 754       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 755                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 756                          client_entry->nickname);
 757     else
 758       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 759                          SILCTXT_FILE_ERROR, client_entry->nickname);
 760     silc_schedule_task_add_timeout(silc_client->schedule,
 761                                    silc_client_file_close_later, ftp,
 762                                    1, 0);
 763     silc_dlist_del(server->ftp_sessions, ftp);
 764     if (ftp == server->current_session) {
 765       server->current_session = NULL;
 766       silc_dlist_start(server->ftp_sessions);
 767       server->current_session = silc_dlist_get(server->ftp_sessions);
 768     }
 769   }
 770
 771   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 772     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 773                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 774   }
 775
 776   /* Save some transmission data */
 777   if (offset && filesize) {
 778     unsigned long delta = time(NULL) - ftp->starttime;
 779
 780     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 781     if (delta)
 782       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 783     else
 784       ftp->kps = (double)(offset + 1023) / (double)1024;
 785     ftp->offset = offset;
 786     ftp->filesize = filesize;
 787   }
 788
 789   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 790     if (offset == 0) {
 791       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 792                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 793                          client_entry->nickname);
 794       ftp->starttime = time(NULL);
 795     }
 796     if (offset == filesize) {
 797       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 798                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 799                          client_entry->nickname, ftp->kps);
 800       silc_schedule_task_add_timeout(silc_client->schedule,
 801                                      silc_client_file_close_later, ftp,
 802                                      1, 0);
 803       silc_dlist_del(server->ftp_sessions, ftp);
 804       if (ftp == server->current_session) {
 805         server->current_session = NULL;
 806         silc_dlist_start(server->ftp_sessions);
 807         server->current_session = silc_dlist_get(server->ftp_sessions);
 808       }
 809
 810     }
 811   }
 812
 813   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 814     if (offset == 0) {
 815       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 816                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 817                          client_entry->nickname);
 818       ftp->starttime = time(NULL);
 819     }
 820
 821     if (offset == filesize) {
 822       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 823                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 824                          client_entry->nickname, ftp->kps);
 825       silc_schedule_task_add_timeout(silc_client->schedule,
 826                                      silc_client_file_close_later, ftp,
 827                                      1, 0);
 828       silc_dlist_del(server->ftp_sessions, ftp);
 829       if (ftp == server->current_session) {
 830         server->current_session = NULL;
 831         silc_dlist_start(server->ftp_sessions);
 832         server->current_session = silc_dlist_get(server->ftp_sessions);
 833       }
 834
 835     }
 836   }
 837 }
 838
 839 typedef struct {
 840   SILC_SERVER_REC *server;
 841   char *data;
 842   char *nick;
 843   WI_ITEM_REC *item;
 844 } *FileGetClients;
 845
 846 static void silc_client_command_file_get_clients(SilcClient client,
 847                                                  SilcClientConnection conn,
 848                                                  SilcStatus status,
 849                                                  SilcDList clients,
 850                                                  void *context)
 851 {
 852   FileGetClients internal = (FileGetClients)context;
 853
 854   if (!clients) {
 855     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 856               internal->nick);
 857     silc_free(internal->data);
 858     silc_free(internal->nick);
 859     silc_free(internal);
 860     return;
 861   }
 862
 863   signal_emit("command file", 3, internal->data, internal->server,
 864               internal->item);
 865
 866   silc_free(internal->data);
 867   silc_free(internal->nick);
 868   silc_free(internal);
 869 }
 870
 871 static void command_file(const char *data, SILC_SERVER_REC *server,
 872                          WI_ITEM_REC *item)
 873 {
 874   SilcClientConnection conn;
 875   SilcClientEntry client_entry;
 876   SilcDList entries;
 877   SilcClientFileError ret;
 878   char nickname[128 + 1], *tmp;
 879   unsigned char **argv;
 880   SilcUInt32 argc;
 881   SilcUInt32 *argv_lens, *argv_types;
 882   int type = 0;
 883   FtpSession ftp;
 884   char *local_ip = NULL;
 885   SilcUInt32 local_port = 0;
 886   SilcUInt32 session_id;
 887   bool do_not_bind = FALSE;
 888   SilcClientConnectionParams params;
 889
 890   CMD_SILC_SERVER(server);
 891   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 892     cmd_return_error(CMDERR_NOT_CONNECTED);
 893
 894   conn = server->conn;
 895
 896   /* Now parse all arguments */
 897   tmp = g_strconcat("FILE", " ", data, NULL);
 898   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 899   g_free(tmp);
 900
 901   if (argc == 1)
 902     type = 4;
 903
 904   if (argc >= 2) {
 905     if (!strcasecmp(argv[1], "send"))
 906       type = 1;
 907     if (!strcasecmp(argv[1], "accept"))
 908       type = 2;
 909     if (!strcasecmp(argv[1], "close"))
 910       type = 3;
 911   }
 912
 913   if (type == 0)
 914     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 915
 916   switch (type) {
 917   case 1:
 918     if (argc < 4)
 919       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 920
 921     /* Parse the typed nickname. */
 922     if (!silc_parse_userfqdn(argv[3], nickname, sizeof(nickname), NULL, 0)) {
 923       printformat_module("fe-common/silc", server, NULL,
 924                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 925       goto out;
 926     }
 927
 928     /* Find client entry */
 929     entries = silc_client_get_clients_local(silc_client, conn, nickname,
 930                                             argv[3]);
 931     if (!entries) {
 932       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 933       inter->server = server;
 934       inter->data = strdup(data);
 935       inter->nick = strdup(nickname);
 936       inter->item = item;
 937       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 938                               silc_client_command_file_get_clients, inter);
 939       goto out;
 940     }
 941     silc_dlist_start(entries);
 942     client_entry = silc_dlist_get(entries);
 943
 944     if (argc >= 5) {
 945       if (!strcasecmp(argv[4], "-no-listener"))
 946         do_not_bind = TRUE;
 947       else
 948         local_ip = argv[4];
 949     }
 950     if (argc >= 6) {
 951       if (!strcasecmp(argv[5], "-no-listener"))
 952         do_not_bind = TRUE;
 953       else
 954         local_port = atoi(argv[5]);
 955     }
 956     if (argc >= 7) {
 957       if (!strcasecmp(argv[6], "-no-listener"))
 958         do_not_bind = TRUE;
 959     }
 960
 961     memset(&params, 0, sizeof(params));
 962     if (!do_not_bind) {
 963       if (local_ip)
 964         params.local_ip = strdup(local_ip);
 965       params.local_port = local_port;
 966       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 967         params.local_ip = (char *)settings_get_str("auto_public_ip");
 968         if ((params.local_ip) && (*params.local_ip == '\0')) {
 969           params.local_ip = silc_net_localip();
 970         } else {
 971           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 972           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 973             params.bind_ip = NULL;
 974           params.local_port = settings_get_int("auto_bind_port");
 975         }
 976       }
 977       if (!params.local_ip)
 978         params.local_ip = silc_net_localip();
 979     }
 980     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 981
 982     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
 983                                 irssi_pubkey, irssi_privkey,
 984                                 silc_client_file_monitor, server, argv[2],
 985                                 &session_id);
 986     if (ret == SILC_CLIENT_FILE_OK) {
 987       ftp = silc_calloc(1, sizeof(*ftp));
 988       ftp->session_id = session_id;
 989
 990       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 991                          SILCTXT_FILE_SEND, client_entry->nickname,
 992                          argv[2]);
 993
 994       ftp->client_entry = client_entry;
 995       ftp->filepath = strdup(argv[2]);
 996       ftp->conn = conn;
 997       ftp->send = TRUE;
 998       silc_dlist_add(server->ftp_sessions, ftp);
 999       server->current_session = ftp;
1000     } else {
1001       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1002         printformat_module("fe-common/silc", server, NULL,
1003                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1004                            client_entry->nickname);
1005       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1006         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1007                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1008                            client_entry->nickname, argv[2]);
1009     }
1010
1011     silc_client_list_free(silc_client, server->conn, entries);
1012     break;
1013
1014   case 2:
1015     /* Parse the typed nickname. */
1016     if (argc >= 3) {
1017       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1018         printformat_module("fe-common/silc", server, NULL,
1019                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1020         goto out;
1021       }
1022
1023       /* Find client entry */
1024       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1025                                               argv[2]);
1026       if (!entries) {
1027         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1028         inter->server = server;
1029         inter->data = strdup(data);
1030         inter->nick = strdup(nickname);
1031         inter->item = item;
1032         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1033                                 silc_client_command_file_get_clients, inter);
1034         goto out;
1035       }
1036       silc_dlist_start(entries);
1037       client_entry = silc_dlist_get(entries);
1038       silc_client_list_free(silc_client, server->conn, entries);
1039     } else {
1040       if (!server->current_session) {
1041         printformat_module("fe-common/silc", server, NULL,
1042                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1043         goto out;
1044       }
1045
1046       memset(&params, 0, sizeof(params));
1047       if (settings_get_bool("use_auto_addr")) {
1048         params.local_ip = (char *)settings_get_str("auto_public_ip");
1049         if ((params.local_ip) && (*params.local_ip == '\0')) {
1050           params.local_ip = silc_net_localip();
1051         } else {
1052           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1053           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1054             params.bind_ip = NULL;
1055           params.local_port = settings_get_int("auto_bind_port");
1056         }
1057       }
1058       if (!params.local_ip)
1059         params.local_ip = silc_net_localip();
1060       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1061
1062       ret = silc_client_file_receive(silc_client, conn, &params,
1063                                      irssi_pubkey, irssi_privkey,
1064                                      silc_client_file_monitor, server, NULL,
1065                                      server->current_session->session_id,
1066                                      NULL, NULL);
1067       if (ret != SILC_CLIENT_FILE_OK) {
1068         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1069           printformat_module("fe-common/silc", server, NULL,
1070                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1071                              server->current_session->client_entry->nickname);
1072         else {
1073           printformat_module("fe-common/silc", server, NULL,
1074                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1075                              server->current_session->client_entry->nickname);
1076
1077           silc_client_file_close(silc_client, conn,
1078                                  server->current_session->session_id);
1079           silc_dlist_del(server->ftp_sessions, server->current_session);
1080           silc_free(server->current_session->filepath);
1081           silc_free(server->current_session);
1082           server->current_session = NULL;
1083
1084           silc_dlist_start(server->ftp_sessions);
1085           server->current_session = silc_dlist_get(server->ftp_sessions);
1086         }
1087       }
1088
1089       goto out;
1090     }
1091
1092     silc_dlist_start(server->ftp_sessions);
1093     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1094       if (ftp->client_entry == client_entry && !ftp->filepath) {
1095         memset(&params, 0, sizeof(params));
1096         if (settings_get_bool("use_auto_addr")) {
1097           params.local_ip = (char *)settings_get_str("auto_public_ip");
1098           if ((params.local_ip) && (*params.local_ip == '\0')) {
1099             params.local_ip = silc_net_localip();
1100           } else {
1101             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1102             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1103               params.bind_ip = NULL;
1104             params.local_port = settings_get_int("auto_bind_port");
1105           }
1106         }
1107         if (!params.local_ip)
1108           params.local_ip = silc_net_localip();
1109         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1110
1111         ret = silc_client_file_receive(silc_client, conn, &params,
1112                                        irssi_pubkey, irssi_privkey,
1113                                        silc_client_file_monitor, server,
1114                                        NULL, ftp->session_id, NULL, NULL);
1115         if (ret != SILC_CLIENT_FILE_OK) {
1116           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1117             printformat_module("fe-common/silc", server, NULL,
1118                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1119                                client_entry->nickname);
1120           else {
1121             printformat_module("fe-common/silc", server, NULL,
1122                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1123                                client_entry->nickname);
1124             silc_client_file_close(silc_client, conn, ftp->session_id);
1125             silc_dlist_del(server->ftp_sessions, ftp);
1126             if (ftp == server->current_session) {
1127               server->current_session = NULL;
1128               silc_dlist_start(server->ftp_sessions);
1129               server->current_session = silc_dlist_get(server->ftp_sessions);
1130             }
1131             silc_free(ftp->filepath);
1132             silc_free(ftp);
1133           }
1134         }
1135         break;
1136       }
1137     }
1138
1139     if (ftp == SILC_LIST_END) {
1140       printformat_module("fe-common/silc", server, NULL,
1141                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1142                          client_entry->nickname);
1143       goto out;
1144     }
1145     break;
1146
1147   case 3:
1148     /* Parse the typed nickname. */
1149     if (argc >= 3) {
1150       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1151         printformat_module("fe-common/silc", server, NULL,
1152                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1153         goto out;
1154       }
1155
1156       /* Find client entry */
1157       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1158                                               argv[2]);
1159       if (!entries) {
1160         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1161         inter->server = server;
1162         inter->data = strdup(data);
1163         inter->nick = strdup(nickname);
1164         inter->item = item;
1165         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1166                                 silc_client_command_file_get_clients, inter);
1167         goto out;
1168       }
1169       silc_dlist_start(entries);
1170       client_entry = silc_dlist_get(entries);
1171       silc_client_list_free(silc_client, server->conn, entries);
1172     } else {
1173       if (!server->current_session) {
1174         printformat_module("fe-common/silc", server, NULL,
1175                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1176         goto out;
1177       }
1178
1179       silc_client_file_close(silc_client, conn,
1180                              server->current_session->session_id);
1181       printformat_module("fe-common/silc", server, NULL,
1182                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1183                          server->current_session->client_entry->nickname,
1184                          server->current_session->filepath ?
1185                          server->current_session->filepath : "[N/A]");
1186       silc_dlist_del(server->ftp_sessions, server->current_session);
1187       silc_free(server->current_session->filepath);
1188       silc_free(server->current_session);
1189       server->current_session = NULL;
1190
1191       silc_dlist_start(server->ftp_sessions);
1192       server->current_session = silc_dlist_get(server->ftp_sessions);
1193       goto out;
1194     }
1195
1196     silc_dlist_start(server->ftp_sessions);
1197     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1198       if (ftp->client_entry == client_entry) {
1199         silc_client_file_close(silc_client, conn, ftp->session_id);
1200         printformat_module("fe-common/silc", server, NULL,
1201                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1202                            client_entry->nickname,
1203                            ftp->filepath ? ftp->filepath : "[N/A]");
1204         silc_dlist_del(server->ftp_sessions, ftp);
1205         if (ftp == server->current_session) {
1206           server->current_session = NULL;
1207           silc_dlist_start(server->ftp_sessions);
1208           server->current_session = silc_dlist_get(server->ftp_sessions);
1209         }
1210         silc_free(ftp->filepath);
1211         silc_free(ftp);
1212         break;
1213       }
1214     }
1215
1216     if (ftp == SILC_LIST_END) {
1217       printformat_module("fe-common/silc", server, NULL,
1218                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1219                          client_entry->nickname);
1220       goto out;
1221     }
1222     break;
1223
1224   case 4:
1225
1226     if (!silc_dlist_count(server->ftp_sessions)) {
1227       printformat_module("fe-common/silc", server, NULL,
1228                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1229       goto out;
1230     }
1231
1232     printformat_module("fe-common/silc", server, NULL,
1233                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1234
1235     silc_dlist_start(server->ftp_sessions);
1236     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1237       printformat_module("fe-common/silc", server, NULL,
1238                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1239                          ftp->client_entry->nickname,
1240                          ftp->session_id,
1241                          ftp->send ? "send" : "receive",
1242                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1243                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1244                          ftp->percent, ftp->kps,
1245                          ftp->filepath ? ftp->filepath : "[N/A]");
1246     }
1247
1248     break;
1249
1250   default:
1251     break;
1252   }
1253
1254  out:
1255   return;
1256 }
1257
1258 void silc_server_init(void)
1259 {
1260   silc_servers_reconnect_init();
1261
1262   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1263   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1264   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1265   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1266   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1267   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1268   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1269   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1270   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1271   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1272   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1273   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1274   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1275   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1276   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1277   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1278   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1279   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1280   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1281   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1282   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1283   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1284   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1285   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1286   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1287   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1288   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1289   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1290   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1291
1292   command_set_options("connect", "+silcnet");
1293 }
1294
1295 void silc_server_deinit(void)
1296 {
1297   silc_servers_reconnect_deinit();
1298
1299   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1300   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1301   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1302   command_unbind("whois", (SIGNAL_FUNC) command_self);
1303   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1304   command_unbind("nick", (SIGNAL_FUNC) command_self);
1305   command_unbind("topic", (SIGNAL_FUNC) command_self);
1306   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1307   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1308   command_unbind("users", (SIGNAL_FUNC) command_self);
1309   command_unbind("list", (SIGNAL_FUNC) command_self);
1310   command_unbind("oper", (SIGNAL_FUNC) command_self);
1311   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1312   command_unbind("umode", (SIGNAL_FUNC) command_self);
1313   command_unbind("invite", (SIGNAL_FUNC) command_self);
1314   command_unbind("kill", (SIGNAL_FUNC) command_self);
1315   command_unbind("kick", (SIGNAL_FUNC) command_self);
1316   command_unbind("info", (SIGNAL_FUNC) command_self);
1317   command_unbind("ping", (SIGNAL_FUNC) command_self);
1318   command_unbind("motd", (SIGNAL_FUNC) command_self);
1319   command_unbind("ban", (SIGNAL_FUNC) command_self);
1320   command_unbind("close", (SIGNAL_FUNC) command_self);
1321   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1322   command_unbind("file", (SIGNAL_FUNC) command_file);
1323   command_unbind("detach", (SIGNAL_FUNC) command_self);
1324   command_unbind("watch", (SIGNAL_FUNC) command_self);
1325   command_unbind("stats", (SIGNAL_FUNC) command_self);
1326   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1327   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1328 }
1329
1330 void silc_server_free_ftp(SILC_SERVER_REC *server,
1331                           SilcClientEntry client_entry)
1332 {
1333   FtpSession ftp;
1334
1335   silc_dlist_start(server->ftp_sessions);
1336   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1337     if (ftp->client_entry == client_entry) {
1338       silc_dlist_del(server->ftp_sessions, ftp);
1339       silc_free(ftp->filepath);
1340       silc_free(ftp);
1341     }
1342   }
1343 }
1344
1345 bool silc_term_utf8(void)
1346 {
1347   const char *str;
1348   str = settings_get_str("term_charset");
1349   if (str)
1350     if (g_strcasecmp(str, "utf-8") == 0)
1351       return TRUE;
1352   return FALSE;
1353 }