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

   1 /*
   2   silc-server.c : irssi
   3
   4   Copyright (C) 2000 - 2008 Timo Sirainen
   5                             Pekka Riikonen <priikone@silcnet.org>
   6
   7   This program is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU General Public License as published by
   9   the Free Software Foundation; either version 2 of the License, or
  10   (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22 #include "module.h"
  23
  24 #include "net-nonblock.h"
  25 #include "net-sendbuffer.h"
  26 #include "signals.h"
  27 #include "servers.h"
  28 #include "commands.h"
  29 #include "levels.h"
  30 #include "modules.h"
  31 #include "rawlog.h"
  32 #include "misc.h"
  33 #include "settings.h"
  34
  35 #include "servers-setup.h"
  36 #include "channels-setup.h"
  37
  38 #include "client_ops.h"
  39 #include "silc-servers.h"
  40 #include "silc-channels.h"
  41 #include "silc-queries.h"
  42 #include "silc-nicklist.h"
  43 #include "silc-cmdqueue.h"
  44 #include "window-item-def.h"
  45
  46 #include "fe-common/core/printtext.h"
  47 #include "fe-common/core/fe-channels.h"
  48 #include "fe-common/core/keyboard.h"
  49 #include "fe-common/silc/module-formats.h"
  50
  51 #include "silc-commands.h"
  52
  53 void silc_servers_reconnect_init(void);
  54 void silc_servers_reconnect_deinit(void);
  55
  56 int silc_send_channel(SILC_SERVER_REC *server,
  57                       char *channel, char *msg,
  58                       SilcMessageFlags flags)
  59 {
  60   SILC_CHANNEL_REC *rec;
  61
  62   rec = silc_channel_find(server, channel);
  63   if (rec == NULL || rec->entry == NULL) {
  64     cmd_return_error_value(CMDERR_NOT_JOINED, FALSE);
  65   }
  66
  67   return silc_client_send_channel_message(silc_client, server->conn,
  68                                           rec->entry, NULL, flags, sha1hash,
  69                                           msg, strlen(msg));
  70 }
  71
  72 typedef struct {
  73   char *nick;
  74   char *msg;
  75   int len;
  76   SilcMessageFlags flags;
  77   SILC_SERVER_REC *server;
  78 } PRIVMSG_REC;
  79
  80 /* Callback function that sends the private message if the client was
  81    resolved from the server. */
  82
  83 static void silc_send_msg_clients(SilcClient client,
  84                                   SilcClientConnection conn,
  85                                   SilcStatus status,
  86                                   SilcDList clients,
  87                                   void *context)
  88 {
  89   PRIVMSG_REC *rec = context;
  90   SILC_SERVER_REC *server = rec->server;
  91   SilcClientEntry target;
  92
  93   if (!clients) {
  94     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  95               "%s: There is no such client", rec->nick);
  96     goto out;
  97   }
  98
  99   /* Find the correct one. The rec->nick might be a formatted nick
 100      so this will find the correct one. */
 101   target = silc_dlist_get(clients);
 102   clients = silc_client_get_clients_local(silc_client, server->conn,
 103                                           rec->nick, FALSE);
 104   if (!clients) {
 105     if (strchr(rec->nick, '@') && target->server)
 106       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 107                 "%s: There is no such client (did you mean %s@%s?)", rec->nick,
 108                 target->nickname, target->server);
 109     else
 110       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 111                 "%s: There is no such client (did you mean %s?)", rec->nick,
 112                 target->nickname);
 113     goto out;
 114   }
 115
 116   /* Send the private message */
 117   silc_dlist_start(clients);
 118   target = silc_dlist_get(clients);
 119   silc_client_send_private_message(client, conn, target, rec->flags, sha1hash,
 120                                    rec->msg, rec->len);
 121
 122  out:
 123   silc_client_list_free(silc_client, server->conn, clients);
 124   g_free(rec->nick);
 125   g_free(rec->msg);
 126   g_free(rec);
 127 }
 128
 129 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 130                   int msg_len, SilcMessageFlags flags)
 131 {
 132   PRIVMSG_REC *rec;
 133   SilcDList clients;
 134   SilcClientEntry target;
 135   int ret;
 136
 137   /* Find client entry */
 138   clients = silc_client_get_clients_local(silc_client, server->conn, nick,
 139                                           FALSE);
 140   if (!clients) {
 141     char *nickname = NULL;
 142
 143     rec = g_new0(PRIVMSG_REC, 1);
 144     rec->nick = g_strdup(nick);
 145     rec->msg = g_strdup(msg);
 146     rec->server = server;
 147     rec->flags = flags;
 148     rec->len = msg_len;
 149
 150     silc_client_nickname_parse(silc_client, server->conn, nick, &nickname);
 151     if (!nickname)
 152       nickname = strdup(nick);
 153
 154     /* Could not find client with that nick, resolve it from server. */
 155     silc_client_get_clients_whois(silc_client, server->conn, nickname,
 156                                   NULL, NULL, silc_send_msg_clients, rec);
 157     silc_free(nickname);
 158     return TRUE;
 159   }
 160
 161   /* Send the private message directly */
 162   target = silc_dlist_get(clients);
 163   ret = silc_client_send_private_message(silc_client, server->conn,
 164                                          target, flags, sha1hash,
 165                                          msg, msg_len);
 166
 167   silc_client_list_free(silc_client, server->conn, clients);
 168
 169   return ret;
 170 }
 171
 172 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 173                     const char *data, int sign)
 174 {
 175   char *unescaped_data;
 176   SilcUInt32 unescaped_data_len;
 177   int target_type;
 178
 179   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 180     return;
 181
 182   if (channel) {
 183     target_type = SEND_TARGET_CHANNEL;
 184   } else {
 185     target_type = server_ischannel(SERVER(server), to) ?
 186       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 187   }
 188
 189   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 190
 191   if (target_type == SEND_TARGET_CHANNEL) {
 192     SILC_CHANNEL_REC *rec;
 193
 194     rec = silc_channel_find(server, to);
 195     if (rec == NULL || rec->entry == NULL) {
 196       cmd_return_error(CMDERR_NOT_JOINED);
 197     }
 198
 199     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 200                                      NULL, SILC_MESSAGE_FLAG_DATA |
 201                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 202                                      sha1hash, unescaped_data,
 203                                      unescaped_data_len);
 204   } else {
 205     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 206                   SILC_MESSAGE_FLAG_DATA |
 207                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 208
 209   }
 210
 211   signal_stop();
 212
 213   silc_free(unescaped_data);
 214 }
 215
 216 static int isnickflag_func(SERVER_REC *server, char flag)
 217 {
 218   return flag == '@' || flag == '+';
 219 }
 220
 221 static int ischannel_func(SERVER_REC *server, const char *data)
 222 {
 223   return FALSE;
 224 }
 225
 226 const char *get_nick_flags(SERVER_REC *server)
 227 {
 228   return "@\0\0";
 229 }
 230
 231 static void send_message(SILC_SERVER_REC *server, char *target,
 232                          char *msg, int target_type)
 233 {
 234   char *message = NULL, *t = NULL;
 235   int len;
 236   SilcBool sign;
 237
 238   g_return_if_fail(server != NULL);
 239   g_return_if_fail(target != NULL);
 240   g_return_if_fail(msg != NULL);
 241
 242   if (!silc_term_utf8()) {
 243     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 244     message = silc_calloc(len + 1, sizeof(*message));
 245     g_return_if_fail(message != NULL);
 246     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 247   }
 248
 249   if (target_type == SEND_TARGET_CHANNEL) {
 250     sign = settings_get_bool("sign_channel_messages");
 251     silc_send_channel(server, target, message ? message : msg,
 252                       SILC_MESSAGE_FLAG_UTF8 |
 253                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 254   } else {
 255     sign = settings_get_bool("sign_private_messages");
 256     if (!silc_term_utf8()) {
 257       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 258       t = silc_calloc(len + 1, sizeof(*t));
 259       g_return_if_fail(t != NULL);
 260       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 261     }
 262
 263     silc_send_msg(server, t ? t : target, message ? message : msg,
 264                   message ? strlen(message) : strlen(msg),
 265                   SILC_MESSAGE_FLAG_UTF8 |
 266                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 267   }
 268
 269   silc_free(message);
 270   silc_free(t);
 271 }
 272
 273 /* Connection callback */
 274
 275 static void silc_connect_cb(SilcClient client,
 276                             SilcClientConnection conn,
 277                             SilcClientConnectionStatus status,
 278                             SilcStatus error,
 279                             const char *message,
 280                             void *context)
 281 {
 282   SILC_SERVER_REC *server = context;
 283   FtpSession ftp;
 284   char *file;
 285
 286   SILC_LOG_DEBUG(("Connection callback %p, status %d, error %d, message %s",
 287                   conn, status, error, message ? message : "N/A"));
 288
 289   server->op = NULL;
 290
 291   switch (status) {
 292   case SILC_CLIENT_CONN_SUCCESS:
 293     if (server->disconnected) {
 294       silc_client_close_connection(client, conn);
 295       return;
 296     }
 297
 298     /* We have successfully connected to server */
 299
 300     /* Enable queueing until we have our requested nick */
 301     if (((opt_nickname &&
 302           !silc_utf8_strcasecmp(opt_nickname,
 303                                 conn->local_entry->nickname)) ||
 304          (settings_get_str("nick") &&
 305           !silc_utf8_strcasecmp(settings_get_str("nick"),
 306                                 conn->local_entry->nickname))) &&
 307         silc_utf8_strcasecmp(conn->local_entry->nickname,
 308                              conn->local_entry->username))
 309       silc_queue_enable(conn);
 310
 311     /* Put default attributes */
 312     silc_query_attributes_default(silc_client, conn);
 313
 314     server->connected = TRUE;
 315     server->conn = conn;
 316     server->conn->context = server;
 317     signal_emit("event connected", 1, server);
 318     break;
 319
 320   case SILC_CLIENT_CONN_SUCCESS_RESUME:
 321     if (server->disconnected) {
 322       silc_client_close_connection(client, conn);
 323       return;
 324     }
 325
 326     /* We have successfully resumed old detached session */
 327     server->connected = TRUE;
 328     server->conn = conn;
 329     server->conn->context = server;
 330     signal_emit("event connected", 1, server);
 331
 332     /* Put default attributes */
 333     silc_query_attributes_default(silc_client, conn);
 334
 335     /* Remove the detach data now */
 336     file = silc_get_session_filename(server);
 337     unlink(file);
 338     silc_free(file);
 339     break;
 340
 341   case SILC_CLIENT_CONN_DISCONNECTED:
 342     /* Server disconnected */
 343     if (server->conn && server->conn->local_entry) {
 344       nicklist_rename_unique(SERVER(server),
 345                              server->conn->local_entry, server->nick,
 346                              server->conn->local_entry,
 347                              silc_client->username);
 348       silc_change_nick(server, silc_client->username);
 349     }
 350
 351     if (message)
 352       silc_say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
 353                "Server closed connection: %s (%d) %s",
 354                silc_get_status_message(error), error,
 355                message ? message : "");
 356
 357     /* Close FTP sessions */
 358     silc_dlist_start(server->ftp_sessions);
 359     while ((ftp = silc_dlist_get(server->ftp_sessions)))
 360       silc_client_file_close(client, conn, ftp->session_id);
 361     silc_dlist_uninit(server->ftp_sessions);
 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   params.context = server;
 419
 420   /* Try to read detached session data and use it if found. */
 421   file = silc_get_session_filename(server);
 422   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 423   if (params.detach_data)
 424     params.detach_data[params.detach_data_len] = 0;
 425   if (params.detach_data)
 426     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 427                         SILCTXT_REATTACH, server->tag);
 428   silc_free(file);
 429
 430   /* Start key exchange */
 431   server->op = silc_client_key_exchange(silc_client, &params,
 432                                         irssi_pubkey, irssi_privkey,
 433                                         stream, SILC_CONN_SERVER,
 434                                         silc_connect_cb, server);
 435   if (!server->op) {
 436     server->connection_lost = TRUE;
 437     server_disconnect(SERVER(server));
 438     silc_stream_destroy(stream);
 439     return;
 440   }
 441
 442   server_ref(SERVER(server));
 443   server->ftp_sessions = silc_dlist_init();
 444   server->isnickflag = isnickflag_func;
 445   server->ischannel = ischannel_func;
 446   server->get_nick_flags = get_nick_flags;
 447   server->send_message = (void *) send_message;
 448 }
 449
 450 static void sig_connected(SILC_SERVER_REC *server)
 451 {
 452   int fd;
 453
 454   if (!IS_SILC_SERVER(server))
 455     return;
 456
 457   /* Wrap the socket to TCP stream */
 458   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 459   server->tcp_op =
 460     silc_socket_tcp_stream_create(fd, TRUE, FALSE,
 461                                   silc_client->schedule,
 462                                   sig_connected_stream_created, server);
 463 }
 464
 465 static void sig_disconnected(SILC_SERVER_REC *server)
 466 {
 467   if (!IS_SILC_SERVER(server))
 468     return;
 469
 470   /* If we have a prompt in progress, then abort it. */
 471   if (server->prompt_op) {
 472     silc_async_abort(server->prompt_op, NULL, NULL);
 473     server->prompt_op = NULL;
 474   }
 475
 476   if (server->conn) {
 477     /* Close connection */
 478     silc_client_close_connection(silc_client, server->conn);
 479   } else if (server->op) {
 480     /* Abort on going connecting (key exchange) */
 481     silc_async_abort(server->op, NULL, NULL);
 482     server->op = NULL;
 483   } else if (server->tcp_op) {
 484     /* Abort on going TCP stream creation */
 485     silc_async_abort(server->tcp_op, NULL, NULL);
 486     server->tcp_op = NULL;
 487   }
 488
 489   /* SILC closes the handle */
 490   if (server->handle) {
 491     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 492     net_sendbuffer_destroy(server->handle, FALSE);
 493     server->handle = NULL;
 494   }
 495 }
 496
 497 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 498 {
 499   SILC_SERVER_REC *server;
 500
 501   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 502   if (conn->address == NULL || *conn->address == '\0')
 503     return NULL;
 504   if (conn->nick == NULL || *conn->nick == '\0') {
 505     silc_say_error("Cannot connect: nickname is not set");
 506     return NULL;
 507   }
 508
 509   server = g_new0(SILC_SERVER_REC, 1);
 510   server->chat_type = SILC_PROTOCOL;
 511   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 512   server_connect_ref(conn);
 513
 514   if (server->connrec->port <= 0)
 515     server->connrec->port = 706;
 516
 517   server_connect_init((SERVER_REC *)server);
 518   return (SERVER_REC *)server;
 519 }
 520
 521 void silc_server_connect(SERVER_REC *server)
 522 {
 523   if (!server_start_connect(server)) {
 524     server_connect_unref(server->connrec);
 525     g_free(server);
 526     return;
 527   }
 528 }
 529
 530 /* Return a string of all channels in server in server->channels_join()
 531    format */
 532
 533 char *silc_server_get_channels(SILC_SERVER_REC *server)
 534 {
 535   GSList *tmp;
 536   GString *chans;
 537   char *ret;
 538
 539   g_return_val_if_fail(server != NULL, FALSE);
 540
 541   chans = g_string_new(NULL);
 542   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 543     CHANNEL_REC *channel = tmp->data;
 544     CHANNEL_SETUP_REC *schannel;
 545
 546     if ((schannel = channel_setup_find(channel->name, server->connrec->chatnet)) &&
 547         schannel->password)
 548       g_string_sprintfa(chans, "%s %s,", channel->name,
 549                         schannel->password);
 550     else
 551       g_string_sprintfa(chans, "%s,", channel->name);
 552   }
 553
 554   if (chans->len > 0)
 555     g_string_truncate(chans, chans->len-1);
 556
 557   ret = chans->str;
 558   g_string_free(chans, FALSE);
 559
 560   return ret;
 561 }
 562
 563 /* Syntaxes of all SILC commands for HELP files (the help file generation
 564    will snoop these from here). */
 565
 566 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 567 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 568 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 569 /* SYNTAX: GETKEY <nickname or server name> */
 570 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 571 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 572 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 573 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 574 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 575 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 576 /* SYNTAX: OPER <username> [-pubkey] */
 577 /* SYNTAX: SILCOPER <username> [-pubkey] */
 578 /* SYNTAX: TOPIC <channel> [<topic>] */
 579 /* SYNTAX: UMODE +|-<modes> */
 580 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 581 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 582 /* SYNTAX: CLOSE <server> [<port>] */
 583 /* SYNTAX: MOTD [<server>] */
 584 /* SYNTAX: LIST [<channel>] */
 585 /* SYNTAX: ME <message> */
 586 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 587 /* SYNTAX: AWAY [<message>] */
 588 /* SYNTAX: INFO [<server>] */
 589 /* SYNTAX: NICK <nickname> */
 590 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 591 /* SYNTAX: PART [<channel>] */
 592 /* SYNTAX: PING */
 593 /* SYNTAX: USERS <channel> */
 594 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 595 /* SYNTAX: FILE ACCEPT [<nickname>] */
 596 /* SYNTAX: FILE CLOSE [<nickname>] */
 597 /* SYNTAX: FILE */
 598 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 599 /* SYNTAX: DETACH */
 600 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 601 /* SYNTAX: STATS */
 602 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 603 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 604 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 605
 606 void silc_command_exec(SILC_SERVER_REC *server,
 607                        const char *command, const char *args)
 608 {
 609   char *data;
 610   g_return_if_fail(server != NULL);
 611
 612   /* Call the command */
 613   data = g_strconcat(command, " ", args, NULL);
 614   silc_queue_command_call(silc_client, server->conn, data);
 615   g_free(data);
 616 }
 617
 618 /* Generic command function to call any SILC command directly. */
 619
 620 static void command_self(const char *data, SILC_SERVER_REC *server,
 621                          WI_ITEM_REC *item)
 622 {
 623   CMD_SILC_SERVER(server);
 624
 625   if (!IS_SILC_SERVER(server) || !server->connected) {
 626     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 627     return;
 628   }
 629
 630   if (IS_SILC_CHANNEL(item)) {
 631     SILC_CHANNEL_REC *chanrec;
 632     chanrec = silc_channel_find(server, item->visible_name);
 633     if (chanrec)
 634       server->conn->current_channel = chanrec->entry;
 635   }
 636
 637   silc_command_exec(server, current_command, data);
 638   signal_stop();
 639 }
 640
 641 /* SMSG command, to send digitally signed messages */
 642
 643 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 644                          WI_ITEM_REC *item)
 645 {
 646   GHashTable *optlist;
 647   char *target, *origtarget, *msg;
 648   void *free_arg;
 649   int free_ret, target_type;
 650
 651   g_return_if_fail(data != NULL);
 652   if (server == NULL || !server->connected)
 653     cmd_param_error(CMDERR_NOT_CONNECTED);
 654
 655   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 656                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 657                       "msg", &optlist, &target, &msg))
 658     return;
 659   if (*target == '\0' || *msg == '\0')
 660     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 661
 662   origtarget = target;
 663   free_ret = FALSE;
 664
 665   if (strcmp(target, "*") == 0) {
 666     if (item == NULL)
 667       cmd_param_error(CMDERR_NOT_JOINED);
 668
 669     target_type = IS_CHANNEL(item) ?
 670       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 671     target = (char *) window_item_get_target(item);
 672   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 673     target_type = SEND_TARGET_CHANNEL;
 674   } else {
 675     target_type = server_ischannel(SERVER(server), target) ?
 676       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 677   }
 678
 679   if (target != NULL) {
 680     char *message = NULL, *t = NULL;
 681     int len, result;
 682
 683     if (!silc_term_utf8()) {
 684       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 685       message = silc_calloc(len + 1, sizeof(*message));
 686       g_return_if_fail(message != NULL);
 687       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 688     }
 689
 690     if (target_type == SEND_TARGET_CHANNEL)
 691       result = silc_send_channel(server, target, message ? message : msg,
 692                                  SILC_MESSAGE_FLAG_UTF8 |
 693                                  SILC_MESSAGE_FLAG_SIGNED);
 694     else {
 695       if (!silc_term_utf8()) {
 696         len = silc_utf8_encoded_len(target, strlen(target),
 697                                     SILC_STRING_LOCALE);
 698         t = silc_calloc(len + 1, sizeof(*t));
 699         g_return_if_fail(t != NULL);
 700         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 701       }
 702       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 703                              message ? strlen(message) : strlen(msg),
 704                              SILC_MESSAGE_FLAG_UTF8 |
 705                              SILC_MESSAGE_FLAG_SIGNED);
 706     }
 707     silc_free(message);
 708     silc_free(t);
 709     if (!result)
 710       goto out;
 711   }
 712
 713   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 714               "message signed_own_public" : "message signed_own_private", 4,
 715               server, msg, target, origtarget);
 716 out:
 717   if (free_ret && target != NULL) g_free(target);
 718   cmd_params_free(free_arg);
 719 }
 720
 721 /* FILE command */
 722
 723 SILC_TASK_CALLBACK(silc_client_file_close_later)
 724 {
 725   FtpSession ftp = (FtpSession)context;
 726
 727   SILC_LOG_DEBUG(("Start"));
 728
 729   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 730   silc_free(ftp->filepath);
 731   silc_free(ftp);
 732 }
 733
 734 static void silc_client_file_monitor(SilcClient client,
 735                                      SilcClientConnection conn,
 736                                      SilcClientMonitorStatus status,
 737                                      SilcClientFileError error,
 738                                      SilcUInt64 offset,
 739                                      SilcUInt64 filesize,
 740                                      SilcClientEntry client_entry,
 741                                      SilcUInt32 session_id,
 742                                      const char *filepath,
 743                                      void *context)
 744 {
 745   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 746   FtpSession ftp;
 747   char fsize[32];
 748
 749   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 750     return;
 751
 752   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 753
 754   silc_dlist_start(server->ftp_sessions);
 755   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 756     if (ftp->session_id == session_id) {
 757       if (!ftp->filepath && filepath)
 758         ftp->filepath = strdup(filepath);
 759       break;
 760     }
 761   }
 762
 763   if (ftp == SILC_LIST_END)
 764     return;
 765
 766   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 767       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 768     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 769       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 770                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 771                          client_entry->nickname,
 772                          filepath ? filepath : "[N/A]");
 773     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 774       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 775                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 776                          client_entry->nickname);
 777     else
 778       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 779                          SILCTXT_FILE_ERROR, client_entry->nickname);
 780     silc_schedule_task_add_timeout(silc_client->schedule,
 781                                    silc_client_file_close_later, ftp,
 782                                    1, 0);
 783     silc_dlist_del(server->ftp_sessions, ftp);
 784     if (ftp == server->current_session) {
 785       server->current_session = NULL;
 786       silc_dlist_start(server->ftp_sessions);
 787       server->current_session = silc_dlist_get(server->ftp_sessions);
 788     }
 789   }
 790
 791   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 792     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 793                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 794   }
 795
 796   /* Save some transmission data */
 797   if (offset && filesize) {
 798     unsigned long delta = time(NULL) - ftp->starttime;
 799
 800     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 801     if (delta)
 802       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 803     else
 804       ftp->kps = (double)(offset + 1023) / (double)1024;
 805     ftp->offset = offset;
 806     ftp->filesize = filesize;
 807   }
 808
 809   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 810     if (offset == 0) {
 811       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 812                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 813                          client_entry->nickname);
 814       ftp->starttime = time(NULL);
 815     }
 816     if (offset == filesize) {
 817       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 818                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 819                          client_entry->nickname, ftp->kps);
 820       silc_schedule_task_add_timeout(silc_client->schedule,
 821                                      silc_client_file_close_later, ftp,
 822                                      1, 0);
 823       silc_dlist_del(server->ftp_sessions, ftp);
 824       if (ftp == server->current_session) {
 825         server->current_session = NULL;
 826         silc_dlist_start(server->ftp_sessions);
 827         server->current_session = silc_dlist_get(server->ftp_sessions);
 828       }
 829
 830     }
 831   }
 832
 833   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 834     if (offset == 0) {
 835       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 836                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 837                          client_entry->nickname);
 838       ftp->starttime = time(NULL);
 839     }
 840
 841     if (offset == filesize) {
 842       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 843                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 844                          client_entry->nickname, ftp->kps);
 845       silc_schedule_task_add_timeout(silc_client->schedule,
 846                                      silc_client_file_close_later, ftp,
 847                                      1, 0);
 848       silc_dlist_del(server->ftp_sessions, ftp);
 849       if (ftp == server->current_session) {
 850         server->current_session = NULL;
 851         silc_dlist_start(server->ftp_sessions);
 852         server->current_session = silc_dlist_get(server->ftp_sessions);
 853       }
 854
 855     }
 856   }
 857 }
 858
 859 typedef struct {
 860   SILC_SERVER_REC *server;
 861   char *data;
 862   char *nick;
 863   WI_ITEM_REC *item;
 864 } *FileGetClients;
 865
 866 static void silc_client_command_file_get_clients(SilcClient client,
 867                                                  SilcClientConnection conn,
 868                                                  SilcStatus status,
 869                                                  SilcDList clients,
 870                                                  void *context)
 871 {
 872   FileGetClients internal = (FileGetClients)context;
 873
 874   if (!clients) {
 875     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 876               "There was no such nickname: %s", internal->nick);
 877     silc_free(internal->data);
 878     silc_free(internal->nick);
 879     silc_free(internal);
 880     return;
 881   }
 882
 883   signal_emit("command file", 3, internal->data, internal->server,
 884               internal->item);
 885
 886   silc_free(internal->data);
 887   silc_free(internal->nick);
 888   silc_free(internal);
 889 }
 890
 891 static void command_file(const char *data, SILC_SERVER_REC *server,
 892                          WI_ITEM_REC *item)
 893 {
 894   SilcClientConnection conn;
 895   SilcClientEntry client_entry;
 896   SilcDList entries;
 897   SilcClientFileError ret;
 898   char *nickname = NULL, *tmp;
 899   unsigned char **argv;
 900   SilcUInt32 argc;
 901   SilcUInt32 *argv_lens, *argv_types;
 902   int type = 0;
 903   FtpSession ftp;
 904   char *local_ip = NULL;
 905   SilcUInt32 local_port = 0;
 906   SilcUInt32 session_id;
 907   bool do_not_bind = FALSE;
 908   SilcClientConnectionParams params;
 909
 910   CMD_SILC_SERVER(server);
 911   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 912     cmd_return_error(CMDERR_NOT_CONNECTED);
 913
 914   conn = server->conn;
 915
 916   /* Now parse all arguments */
 917   tmp = g_strconcat("FILE", " ", data, NULL);
 918   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 919   g_free(tmp);
 920
 921   if (argc == 1)
 922     type = 4;
 923
 924   if (argc >= 2) {
 925     if (!strcasecmp(argv[1], "send"))
 926       type = 1;
 927     if (!strcasecmp(argv[1], "accept"))
 928       type = 2;
 929     if (!strcasecmp(argv[1], "close"))
 930       type = 3;
 931   }
 932
 933   if (type == 0)
 934     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 935
 936   switch (type) {
 937   case 1:
 938     if (argc < 4)
 939       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 940
 941     /* Parse the typed nickname. */
 942     silc_client_nickname_parse(silc_client, conn, argv[3], &nickname);
 943     if (!nickname)
 944       nickname = strdup(argv[3]);
 945
 946     /* Find client entry */
 947     entries = silc_client_get_clients_local(silc_client, conn, argv[3], FALSE);
 948     if (!entries) {
 949       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 950       inter->server = server;
 951       inter->data = strdup(data);
 952       inter->nick = strdup(nickname);
 953       inter->item = item;
 954       silc_client_get_clients(silc_client, conn, nickname, NULL,
 955                               silc_client_command_file_get_clients, inter);
 956       goto out;
 957     }
 958     silc_dlist_start(entries);
 959     client_entry = silc_dlist_get(entries);
 960
 961     if (argc >= 5) {
 962       if (!strcasecmp(argv[4], "-no-listener"))
 963         do_not_bind = TRUE;
 964       else
 965         local_ip = argv[4];
 966     }
 967     if (argc >= 6) {
 968       if (!strcasecmp(argv[5], "-no-listener"))
 969         do_not_bind = TRUE;
 970       else
 971         local_port = atoi(argv[5]);
 972     }
 973     if (argc >= 7) {
 974       if (!strcasecmp(argv[6], "-no-listener"))
 975         do_not_bind = TRUE;
 976     }
 977
 978     memset(&params, 0, sizeof(params));
 979     if (!do_not_bind) {
 980       if (local_ip)
 981         params.local_ip = strdup(local_ip);
 982       params.local_port = local_port;
 983       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 984         params.local_ip = (char *)settings_get_str("auto_public_ip");
 985         if ((params.local_ip) && (*params.local_ip == '\0')) {
 986           params.local_ip = silc_net_localip();
 987         } else {
 988           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 989           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 990             params.bind_ip = NULL;
 991           params.local_port = settings_get_int("auto_bind_port");
 992         }
 993       }
 994       if (!params.local_ip)
 995         params.local_ip = silc_net_localip();
 996     }
 997     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 998
 999     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
1000                                 irssi_pubkey, irssi_privkey,
1001                                 silc_client_file_monitor, server, argv[2],
1002                                 &session_id);
1003     if (ret == SILC_CLIENT_FILE_OK) {
1004       ftp = silc_calloc(1, sizeof(*ftp));
1005       ftp->session_id = session_id;
1006
1007       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1008                          SILCTXT_FILE_SEND, client_entry->nickname,
1009                          argv[2]);
1010
1011       ftp->client_entry = client_entry;
1012       ftp->filepath = strdup(argv[2]);
1013       ftp->conn = conn;
1014       ftp->send = TRUE;
1015       silc_dlist_add(server->ftp_sessions, ftp);
1016       server->current_session = ftp;
1017     } else {
1018       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1019         printformat_module("fe-common/silc", server, NULL,
1020                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1021                            client_entry->nickname);
1022       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1023         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1024                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1025                            client_entry->nickname, argv[2]);
1026     }
1027
1028     silc_client_list_free(silc_client, server->conn, entries);
1029     break;
1030
1031   case 2:
1032     /* Parse the typed nickname. */
1033     if (argc >= 3) {
1034       /* Parse the typed nickname. */
1035       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1036       if (!nickname)
1037         nickname = strdup(argv[2]);
1038
1039       /* Find client entry */
1040       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1041                                               FALSE);
1042       if (!entries) {
1043         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1044         inter->server = server;
1045         inter->data = strdup(data);
1046         inter->nick = strdup(nickname);
1047         inter->item = item;
1048         silc_client_get_clients(silc_client, conn, nickname, NULL,
1049                                 silc_client_command_file_get_clients, inter);
1050         goto out;
1051       }
1052       silc_dlist_start(entries);
1053       client_entry = silc_dlist_get(entries);
1054       silc_client_list_free(silc_client, server->conn, entries);
1055     } else {
1056       if (!server->current_session) {
1057         printformat_module("fe-common/silc", server, NULL,
1058                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1059         goto out;
1060       }
1061
1062       memset(&params, 0, sizeof(params));
1063       if (settings_get_bool("use_auto_addr")) {
1064         params.local_ip = (char *)settings_get_str("auto_public_ip");
1065         if ((params.local_ip) && (*params.local_ip == '\0')) {
1066           params.local_ip = silc_net_localip();
1067         } else {
1068           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1069           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1070             params.bind_ip = NULL;
1071           params.local_port = settings_get_int("auto_bind_port");
1072         }
1073       }
1074       if (!params.local_ip)
1075         params.local_ip = silc_net_localip();
1076       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1077
1078       ret = silc_client_file_receive(silc_client, conn, &params,
1079                                      irssi_pubkey, irssi_privkey,
1080                                      silc_client_file_monitor, server, NULL,
1081                                      server->current_session->session_id,
1082                                      NULL, NULL);
1083       if (ret != SILC_CLIENT_FILE_OK) {
1084         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1085           printformat_module("fe-common/silc", server, NULL,
1086                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1087                              server->current_session->client_entry->nickname);
1088         else {
1089           printformat_module("fe-common/silc", server, NULL,
1090                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1091                              server->current_session->client_entry->nickname);
1092
1093           silc_client_file_close(silc_client, conn,
1094                                  server->current_session->session_id);
1095           silc_dlist_del(server->ftp_sessions, server->current_session);
1096           silc_free(server->current_session->filepath);
1097           silc_free(server->current_session);
1098           server->current_session = NULL;
1099
1100           silc_dlist_start(server->ftp_sessions);
1101           server->current_session = silc_dlist_get(server->ftp_sessions);
1102         }
1103       }
1104
1105       goto out;
1106     }
1107
1108     silc_dlist_start(server->ftp_sessions);
1109     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1110       if (ftp->client_entry == client_entry && !ftp->filepath) {
1111         memset(&params, 0, sizeof(params));
1112         if (settings_get_bool("use_auto_addr")) {
1113           params.local_ip = (char *)settings_get_str("auto_public_ip");
1114           if ((params.local_ip) && (*params.local_ip == '\0')) {
1115             params.local_ip = silc_net_localip();
1116           } else {
1117             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1118             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1119               params.bind_ip = NULL;
1120             params.local_port = settings_get_int("auto_bind_port");
1121           }
1122         }
1123         if (!params.local_ip)
1124           params.local_ip = silc_net_localip();
1125         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1126
1127         ret = silc_client_file_receive(silc_client, conn, &params,
1128                                        irssi_pubkey, irssi_privkey,
1129                                        silc_client_file_monitor, server,
1130                                        NULL, ftp->session_id, NULL, NULL);
1131         if (ret != SILC_CLIENT_FILE_OK) {
1132           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1133             printformat_module("fe-common/silc", server, NULL,
1134                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1135                                client_entry->nickname);
1136           else {
1137             printformat_module("fe-common/silc", server, NULL,
1138                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1139                                client_entry->nickname);
1140             silc_client_file_close(silc_client, conn, ftp->session_id);
1141             silc_dlist_del(server->ftp_sessions, ftp);
1142             if (ftp == server->current_session) {
1143               server->current_session = NULL;
1144               silc_dlist_start(server->ftp_sessions);
1145               server->current_session = silc_dlist_get(server->ftp_sessions);
1146             }
1147             silc_free(ftp->filepath);
1148             silc_free(ftp);
1149           }
1150         }
1151         break;
1152       }
1153     }
1154
1155     if (ftp == SILC_LIST_END) {
1156       printformat_module("fe-common/silc", server, NULL,
1157                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1158                          client_entry->nickname);
1159       goto out;
1160     }
1161     break;
1162
1163   case 3:
1164     /* Parse the typed nickname. */
1165     if (argc >= 3) {
1166       /* Parse the typed nickname. */
1167       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1168       if (!nickname)
1169         nickname = strdup(argv[2]);
1170
1171       /* Find client entry */
1172       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1173                                               FALSE);
1174       if (!entries) {
1175         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1176         inter->server = server;
1177         inter->data = strdup(data);
1178         inter->nick = strdup(nickname);
1179         inter->item = item;
1180         silc_client_get_clients(silc_client, conn, nickname, NULL,
1181                                 silc_client_command_file_get_clients, inter);
1182         goto out;
1183       }
1184       silc_dlist_start(entries);
1185       client_entry = silc_dlist_get(entries);
1186       silc_client_list_free(silc_client, server->conn, entries);
1187     } else {
1188       if (!server->current_session) {
1189         printformat_module("fe-common/silc", server, NULL,
1190                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1191         goto out;
1192       }
1193
1194       silc_client_file_close(silc_client, conn,
1195                              server->current_session->session_id);
1196       printformat_module("fe-common/silc", server, NULL,
1197                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1198                          server->current_session->client_entry->nickname,
1199                          server->current_session->filepath ?
1200                          server->current_session->filepath : "[N/A]");
1201       silc_dlist_del(server->ftp_sessions, server->current_session);
1202       silc_free(server->current_session->filepath);
1203       silc_free(server->current_session);
1204       server->current_session = NULL;
1205
1206       silc_dlist_start(server->ftp_sessions);
1207       server->current_session = silc_dlist_get(server->ftp_sessions);
1208       goto out;
1209     }
1210
1211     silc_dlist_start(server->ftp_sessions);
1212     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1213       if (ftp->client_entry == client_entry) {
1214         silc_client_file_close(silc_client, conn, ftp->session_id);
1215         printformat_module("fe-common/silc", server, NULL,
1216                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1217                            client_entry->nickname,
1218                            ftp->filepath ? ftp->filepath : "[N/A]");
1219         silc_dlist_del(server->ftp_sessions, ftp);
1220         if (ftp == server->current_session) {
1221           server->current_session = NULL;
1222           silc_dlist_start(server->ftp_sessions);
1223           server->current_session = silc_dlist_get(server->ftp_sessions);
1224         }
1225         silc_free(ftp->filepath);
1226         silc_free(ftp);
1227         break;
1228       }
1229     }
1230
1231     if (ftp == SILC_LIST_END) {
1232       printformat_module("fe-common/silc", server, NULL,
1233                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1234                          client_entry->nickname);
1235       goto out;
1236     }
1237     break;
1238
1239   case 4:
1240
1241     if (!silc_dlist_count(server->ftp_sessions)) {
1242       printformat_module("fe-common/silc", server, NULL,
1243                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1244       goto out;
1245     }
1246
1247     printformat_module("fe-common/silc", server, NULL,
1248                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1249
1250     silc_dlist_start(server->ftp_sessions);
1251     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1252       printformat_module("fe-common/silc", server, NULL,
1253                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1254                          ftp->client_entry->nickname,
1255                          ftp->session_id,
1256                          ftp->send ? "send" : "receive",
1257                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1258                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1259                          ftp->percent, ftp->kps,
1260                          ftp->filepath ? ftp->filepath : "[N/A]");
1261     }
1262
1263     break;
1264
1265   default:
1266     break;
1267   }
1268
1269  out:
1270   silc_free(nickname);
1271   return;
1272 }
1273
1274 void silc_server_init(void)
1275 {
1276   silc_servers_reconnect_init();
1277
1278   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1279   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1280   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1281   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1282   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1283   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1284   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1285   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1286   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1287   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1288   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1289   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1290   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1291   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1292   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1293   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1294   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1295   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1296   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1297   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1298   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1299   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1300   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1301   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1302   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1303   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1304   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1305   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1306   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1307
1308   command_set_options("connect", "+silcnet");
1309 }
1310
1311 void silc_server_deinit(void)
1312 {
1313   silc_servers_reconnect_deinit();
1314
1315   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1316   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1317   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1318   command_unbind("whois", (SIGNAL_FUNC) command_self);
1319   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1320   command_unbind("nick", (SIGNAL_FUNC) command_self);
1321   command_unbind("topic", (SIGNAL_FUNC) command_self);
1322   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1323   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1324   command_unbind("users", (SIGNAL_FUNC) command_self);
1325   command_unbind("list", (SIGNAL_FUNC) command_self);
1326   command_unbind("oper", (SIGNAL_FUNC) command_self);
1327   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1328   command_unbind("umode", (SIGNAL_FUNC) command_self);
1329   command_unbind("invite", (SIGNAL_FUNC) command_self);
1330   command_unbind("kill", (SIGNAL_FUNC) command_self);
1331   command_unbind("kick", (SIGNAL_FUNC) command_self);
1332   command_unbind("info", (SIGNAL_FUNC) command_self);
1333   command_unbind("ping", (SIGNAL_FUNC) command_self);
1334   command_unbind("motd", (SIGNAL_FUNC) command_self);
1335   command_unbind("ban", (SIGNAL_FUNC) command_self);
1336   command_unbind("close", (SIGNAL_FUNC) command_self);
1337   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1338   command_unbind("file", (SIGNAL_FUNC) command_file);
1339   command_unbind("detach", (SIGNAL_FUNC) command_self);
1340   command_unbind("watch", (SIGNAL_FUNC) command_self);
1341   command_unbind("stats", (SIGNAL_FUNC) command_self);
1342   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1343   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1344 }
1345
1346 void silc_server_free_ftp(SILC_SERVER_REC *server,
1347                           SilcClientEntry client_entry)
1348 {
1349   FtpSession ftp;
1350
1351   silc_dlist_start(server->ftp_sessions);
1352   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1353     if (ftp->client_entry == client_entry) {
1354       silc_dlist_del(server->ftp_sessions, ftp);
1355       silc_free(ftp->filepath);
1356       silc_free(ftp);
1357     }
1358   }
1359 }
1360
1361 bool silc_term_utf8(void)
1362 {
1363   const char *str;
1364   str = settings_get_str("term_charset");
1365   if (str)
1366     if (g_strcasecmp(str, "utf-8") == 0)
1367       return TRUE;
1368   return FALSE;
1369 }