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 #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   char nickname[128 + 1];
  93   SilcDList lclients = NULL;
  94
  95   if (!clients) {
  96     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  97               "%s: There is no such client", rec->nick);
  98   } else {
  99     if (silc_dlist_count(clients) > 1) {
 100       silc_parse_userfqdn(rec->nick, nickname, sizeof(nickname), NULL, 0);
 101
 102       /* Find the correct one. The rec->nick might be a formatted nick
 103          so this will find the correct one. */
 104       clients = lclients =
 105         silc_client_get_clients_local(silc_client, server->conn,
 106                                       nickname, rec->nick);
 107       if (!clients) {
 108         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 109                   "%s: There is no such client", rec->nick);
 110         goto out;
 111       }
 112     }
 113
 114     target = silc_dlist_get(clients);
 115
 116     /* Still check for exact math for nickname, this compares the
 117        real (formatted) nickname and the nick (maybe formatted) that
 118        user gave. This is to assure that `nick' does not match
 119        `nick@host'. */
 120     if (!silc_utf8_strcasecmp(rec->nick, target->nickname)) {
 121       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 122                 "%s: There is no such client", rec->nick);
 123       goto out;
 124     }
 125
 126     /* Send the private message */
 127     silc_client_send_private_message(client, conn, target,
 128                                      rec->flags, sha1hash,
 129                                      rec->msg, rec->len);
 130   }
 131
 132  out:
 133   silc_client_list_free(silc_client, server->conn, lclients);
 134   g_free(rec->nick);
 135   g_free(rec->msg);
 136   g_free(rec);
 137 }
 138
 139 int silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 140                   int msg_len, SilcMessageFlags flags)
 141 {
 142   PRIVMSG_REC *rec;
 143   char nickname[128 + 1];
 144   SilcDList clients;
 145   SilcClientEntry target;
 146   int ret;
 147
 148   if (!silc_parse_userfqdn(nick, nickname, sizeof(nickname), NULL, 0)) {
 149     printformat_module("fe-common/silc", server, NULL,
 150                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 151     return FALSE;
 152   }
 153
 154   /* Find client entry */
 155   clients = silc_client_get_clients_local(silc_client, server->conn,
 156                                           nickname, nick);
 157   if (!clients) {
 158     rec = g_new0(PRIVMSG_REC, 1);
 159     rec->nick = g_strdup(nick);
 160     rec->msg = g_strdup(msg);
 161     rec->server = server;
 162     rec->flags = flags;
 163     rec->len = msg_len;
 164
 165     /* Could not find client with that nick, resolve it from server. */
 166     silc_client_get_clients_whois(silc_client, server->conn,
 167                                   nickname, NULL, NULL,
 168                                   silc_send_msg_clients, rec);
 169     return TRUE;
 170   }
 171
 172   /* Send the private message directly */
 173   target = silc_dlist_get(clients);
 174   ret = silc_client_send_private_message(silc_client, server->conn,
 175                                          target, flags, sha1hash,
 176                                          msg, msg_len);
 177
 178   silc_client_list_free(silc_client, server->conn, clients);
 179
 180   return ret;
 181 }
 182
 183 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 184                     const char *data, int sign)
 185 {
 186   char *unescaped_data;
 187   SilcUInt32 unescaped_data_len;
 188   int target_type;
 189
 190   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 191     return;
 192
 193   if (channel) {
 194     target_type = SEND_TARGET_CHANNEL;
 195   } else {
 196     target_type = server_ischannel(SERVER(server), to) ?
 197       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 198   }
 199
 200   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 201
 202   if (target_type == SEND_TARGET_CHANNEL) {
 203     SILC_CHANNEL_REC *rec;
 204
 205     rec = silc_channel_find(server, to);
 206     if (rec == NULL || rec->entry == NULL) {
 207       cmd_return_error(CMDERR_NOT_JOINED);
 208     }
 209
 210     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 211                                      NULL, SILC_MESSAGE_FLAG_DATA |
 212                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 213                                      sha1hash, unescaped_data,
 214                                      unescaped_data_len);
 215   } else {
 216     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 217                   SILC_MESSAGE_FLAG_DATA |
 218                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 219
 220   }
 221
 222   signal_stop();
 223
 224   silc_free(unescaped_data);
 225 }
 226
 227 static int isnickflag_func(SERVER_REC *server, char flag)
 228 {
 229   return flag == '@' || flag == '+';
 230 }
 231
 232 static int ischannel_func(SERVER_REC *server, const char *data)
 233 {
 234   return FALSE;
 235 }
 236
 237 const char *get_nick_flags(SERVER_REC *server)
 238 {
 239   return "@\0\0";
 240 }
 241
 242 static void send_message(SILC_SERVER_REC *server, char *target,
 243                          char *msg, int target_type)
 244 {
 245   char *message = NULL, *t = NULL;
 246   int len;
 247   SilcBool sign;
 248
 249   g_return_if_fail(server != NULL);
 250   g_return_if_fail(target != NULL);
 251   g_return_if_fail(msg != NULL);
 252
 253   if (!silc_term_utf8()) {
 254     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 255     message = silc_calloc(len + 1, sizeof(*message));
 256     g_return_if_fail(message != NULL);
 257     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 258   }
 259
 260   if (target_type == SEND_TARGET_CHANNEL) {
 261     sign = settings_get_bool("sign_channel_messages");
 262     silc_send_channel(server, target, message ? message : msg,
 263                       SILC_MESSAGE_FLAG_UTF8 |
 264                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 265   } else {
 266     sign = settings_get_bool("sign_private_messages");
 267     if (!silc_term_utf8()) {
 268       len = silc_utf8_encoded_len(target, strlen(target), SILC_STRING_LOCALE);
 269       t = silc_calloc(len + 1, sizeof(*t));
 270       g_return_if_fail(t != NULL);
 271       silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 272     }
 273
 274     silc_send_msg(server, t ? t : target, message ? message : msg,
 275                   message ? strlen(message) : strlen(msg),
 276                   SILC_MESSAGE_FLAG_UTF8 |
 277                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 278   }
 279
 280   silc_free(message);
 281   silc_free(t);
 282 }
 283
 284 /* Connection callback */
 285
 286 static void silc_connect_cb(SilcClient client,
 287                             SilcClientConnection conn,
 288                             SilcClientConnectionStatus status,
 289                             SilcStatus error,
 290                             const char *message,
 291                             void *context)
 292 {
 293   SILC_SERVER_REC *server = context;
 294   char *file;
 295
 296   SILC_LOG_DEBUG(("Connection callback %p, status %d, error %d, message %s",
 297                   conn, status, error, message ? message : "N/A"));
 298
 299   server->op = NULL;
 300
 301   switch (status) {
 302   case SILC_CLIENT_CONN_SUCCESS:
 303     if (server->disconnected) {
 304       silc_client_close_connection(client, conn);
 305       return;
 306     }
 307
 308     /* We have successfully connected to server */
 309
 310     /* Enable queueing until we have our requested nick */
 311     if (((opt_nickname &&
 312           silc_utf8_strcasecmp(opt_nickname, conn->local_entry->nickname)) ||
 313          (settings_get_str("nick") &&
 314           silc_utf8_strcasecmp(settings_get_str("nick"), conn->local_entry->nickname))) &&
 315         !silc_utf8_strcasecmp(conn->local_entry->nickname, conn->local_entry->username))
 316       silc_queue_enable(conn);
 317
 318     /* Put default attributes */
 319     silc_query_attributes_default(silc_client, conn);
 320
 321     server->connected = TRUE;
 322     server->conn = conn;
 323     server->conn->context = server;
 324     signal_emit("event connected", 1, server);
 325     break;
 326
 327   case SILC_CLIENT_CONN_SUCCESS_RESUME:
 328     if (server->disconnected) {
 329       silc_client_close_connection(client, conn);
 330       return;
 331     }
 332
 333     /* We have successfully resumed old detached session */
 334     server->connected = TRUE;
 335     server->conn = conn;
 336     server->conn->context = server;
 337     signal_emit("event connected", 1, server);
 338
 339     /* Put default attributes */
 340     silc_query_attributes_default(silc_client, conn);
 341
 342     /* Remove the detach data now */
 343     file = silc_get_session_filename(server);
 344     unlink(file);
 345     silc_free(file);
 346     break;
 347
 348   case SILC_CLIENT_CONN_DISCONNECTED:
 349     /* Server disconnected */
 350     if (server->conn && server->conn->local_entry) {
 351       nicklist_rename_unique(SERVER(server),
 352                              server->conn->local_entry, server->nick,
 353                              server->conn->local_entry,
 354                              silc_client->username);
 355       silc_change_nick(server, silc_client->username);
 356     }
 357
 358     if (message)
 359       silc_say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
 360                "Server closed connection: %s (%d) %s",
 361                silc_get_status_message(error), error,
 362                message ? message : "");
 363
 364     if (server->conn)
 365       server->conn->context = NULL;
 366     server->conn = NULL;
 367     server->connection_lost = TRUE;
 368     if (!server->disconnected)
 369       server_disconnect(SERVER(server));
 370     server_unref(SERVER(server));
 371     break;
 372
 373   default:
 374     file = silc_get_session_filename(server);
 375     if (silc_file_size(file) > 0)
 376       printformat_module("fe-common/silc", server, NULL,
 377                          MSGLEVEL_CRAP, SILCTXT_REATTACH_FAILED, file);
 378     silc_free(file);
 379
 380     server->connection_lost = TRUE;
 381     server->conn = NULL;
 382     if (server->conn)
 383       server->conn->context = NULL;
 384     if (!server->disconnected)
 385       server_disconnect(SERVER(server));
 386     server_unref(SERVER(server));
 387     break;
 388   }
 389 }
 390
 391 /* Called after TCP stream has been created */
 392
 393 static void sig_connected_stream_created(SilcSocketStreamStatus status,
 394                                          SilcStream stream, void *context)
 395 {
 396   SILC_SERVER_REC *server = context;
 397   SilcClientConnectionParams params;
 398   char *file;
 399
 400   server->tcp_op = NULL;
 401   if (!stream) {
 402     server->connection_lost = TRUE;
 403     server_disconnect(SERVER(server));
 404     return;
 405   }
 406
 407   if (server->disconnected) {
 408     silc_stream_destroy(stream);
 409     return;
 410   }
 411
 412   /* Set connection parameters */
 413   memset(&params, 0, sizeof(params));
 414   params.nickname = (opt_nickname ? (char *)opt_nickname :
 415                      (char *)settings_get_str("nick"));
 416   params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 417   params.rekey_secs = settings_get_int("key_exchange_rekey_secs");
 418   params.pfs = settings_get_bool("key_exchange_rekey_pfs");
 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   silc_dlist_uninit(server->ftp_sessions);
 471
 472   if (server->conn) {
 473     /* Close connection */
 474     silc_client_close_connection(silc_client, server->conn);
 475   } else if (server->op) {
 476     /* Abort on going connecting (key exchange) */
 477     silc_async_abort(server->op, NULL, NULL);
 478     server->op = NULL;
 479   } else if (server->tcp_op) {
 480     /* Abort on going TCP stream creation */
 481     silc_async_abort(server->tcp_op, NULL, NULL);
 482     server->tcp_op = NULL;
 483   }
 484
 485   /* SILC closes the handle */
 486   g_io_channel_unref(net_sendbuffer_handle(server->handle));
 487   net_sendbuffer_destroy(server->handle, FALSE);
 488   server->handle = NULL;
 489 }
 490
 491 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 492 {
 493   SILC_SERVER_REC *server;
 494
 495   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 496   if (conn->address == NULL || *conn->address == '\0')
 497     return NULL;
 498   if (conn->nick == NULL || *conn->nick == '\0') {
 499     silc_say_error("Cannot connect: nickname is not set");
 500     return NULL;
 501   }
 502
 503   server = g_new0(SILC_SERVER_REC, 1);
 504   server->chat_type = SILC_PROTOCOL;
 505   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 506   server_connect_ref(conn);
 507
 508   if (server->connrec->port <= 0)
 509     server->connrec->port = 706;
 510
 511   server_connect_init((SERVER_REC *)server);
 512   return (SERVER_REC *)server;
 513 }
 514
 515 void silc_server_connect(SERVER_REC *server)
 516 {
 517   if (!server_start_connect(server)) {
 518     server_connect_unref(server->connrec);
 519     g_free(server);
 520     return;
 521   }
 522 }
 523
 524 /* Return a string of all channels in server in server->channels_join()
 525    format */
 526
 527 char *silc_server_get_channels(SILC_SERVER_REC *server)
 528 {
 529   GSList *tmp;
 530   GString *chans;
 531   char *ret;
 532
 533   g_return_val_if_fail(server != NULL, FALSE);
 534
 535   chans = g_string_new(NULL);
 536   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 537     CHANNEL_REC *channel = tmp->data;
 538     CHANNEL_SETUP_REC *schannel;
 539
 540     if ((schannel = channel_setup_find(channel->name, server->connrec->chatnet)) &&
 541         schannel->password)
 542       g_string_sprintfa(chans, "%s %s,", channel->name,
 543                         schannel->password);
 544     else
 545       g_string_sprintfa(chans, "%s,", channel->name);
 546   }
 547
 548   if (chans->len > 0)
 549     g_string_truncate(chans, chans->len-1);
 550
 551   ret = chans->str;
 552   g_string_free(chans, FALSE);
 553
 554   return ret;
 555 }
 556
 557 /* Syntaxes of all SILC commands for HELP files (the help file generation
 558    will snoop these from here). */
 559
 560 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 561 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 562 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 563 /* SYNTAX: GETKEY <nickname or server name> */
 564 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 565 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 566 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 567 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 568 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 569 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 570 /* SYNTAX: OPER <username> [-pubkey] */
 571 /* SYNTAX: SILCOPER <username> [-pubkey] */
 572 /* SYNTAX: TOPIC <channel> [<topic>] */
 573 /* SYNTAX: UMODE +|-<modes> */
 574 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 575 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 576 /* SYNTAX: CLOSE <server> [<port>] */
 577 /* SYNTAX: MOTD [<server>] */
 578 /* SYNTAX: LIST [<channel>] */
 579 /* SYNTAX: ME <message> */
 580 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 581 /* SYNTAX: AWAY [<message>] */
 582 /* SYNTAX: INFO [<server>] */
 583 /* SYNTAX: NICK <nickname> */
 584 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 585 /* SYNTAX: PART [<channel>] */
 586 /* SYNTAX: PING */
 587 /* SYNTAX: USERS <channel> */
 588 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 589 /* SYNTAX: FILE ACCEPT [<nickname>] */
 590 /* SYNTAX: FILE CLOSE [<nickname>] */
 591 /* SYNTAX: FILE */
 592 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 593 /* SYNTAX: DETACH */
 594 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 595 /* SYNTAX: STATS */
 596 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 597 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 598 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 599
 600 void silc_command_exec(SILC_SERVER_REC *server,
 601                        const char *command, const char *args)
 602 {
 603   char *data;
 604   g_return_if_fail(server != NULL);
 605
 606   /* Call the command */
 607   data = g_strconcat(command, " ", args, NULL);
 608   silc_queue_command_call(silc_client, server->conn, data);
 609   g_free(data);
 610 }
 611
 612 /* Generic command function to call any SILC command directly. */
 613
 614 static void command_self(const char *data, SILC_SERVER_REC *server,
 615                          WI_ITEM_REC *item)
 616 {
 617   CMD_SILC_SERVER(server);
 618
 619   if (!IS_SILC_SERVER(server) || !server->connected) {
 620     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 621     return;
 622   }
 623
 624   if (IS_SILC_CHANNEL(item)) {
 625     SILC_CHANNEL_REC *chanrec;
 626     chanrec = silc_channel_find(server, item->visible_name);
 627     if (chanrec)
 628       server->conn->current_channel = chanrec->entry;
 629   }
 630
 631   silc_command_exec(server, current_command, data);
 632   signal_stop();
 633 }
 634
 635 /* SMSG command, to send digitally signed messages */
 636
 637 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 638                          WI_ITEM_REC *item)
 639 {
 640   GHashTable *optlist;
 641   char *target, *origtarget, *msg;
 642   void *free_arg;
 643   int free_ret, target_type;
 644
 645   g_return_if_fail(data != NULL);
 646   if (server == NULL || !server->connected)
 647     cmd_param_error(CMDERR_NOT_CONNECTED);
 648
 649   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 650                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 651                       "msg", &optlist, &target, &msg))
 652     return;
 653   if (*target == '\0' || *msg == '\0')
 654     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 655
 656   origtarget = target;
 657   free_ret = FALSE;
 658
 659   if (strcmp(target, "*") == 0) {
 660     if (item == NULL)
 661       cmd_param_error(CMDERR_NOT_JOINED);
 662
 663     target_type = IS_CHANNEL(item) ?
 664       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 665     target = (char *) window_item_get_target(item);
 666   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 667     target_type = SEND_TARGET_CHANNEL;
 668   } else {
 669     target_type = server_ischannel(SERVER(server), target) ?
 670       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 671   }
 672
 673   if (target != NULL) {
 674     char *message = NULL, *t = NULL;
 675     int len, result;
 676
 677     if (!silc_term_utf8()) {
 678       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 679       message = silc_calloc(len + 1, sizeof(*message));
 680       g_return_if_fail(message != NULL);
 681       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 682     }
 683
 684     if (target_type == SEND_TARGET_CHANNEL)
 685       result = silc_send_channel(server, target, message ? message : msg,
 686                                  SILC_MESSAGE_FLAG_UTF8 |
 687                                  SILC_MESSAGE_FLAG_SIGNED);
 688     else {
 689       if (!silc_term_utf8()) {
 690         len = silc_utf8_encoded_len(target, strlen(target),
 691                                     SILC_STRING_LOCALE);
 692         t = silc_calloc(len + 1, sizeof(*t));
 693         g_return_if_fail(t != NULL);
 694         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 695       }
 696       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 697                              message ? strlen(message) : strlen(msg),
 698                              SILC_MESSAGE_FLAG_UTF8 |
 699                              SILC_MESSAGE_FLAG_SIGNED);
 700     }
 701     silc_free(message);
 702     silc_free(t);
 703     if (!result)
 704       goto out;
 705   }
 706
 707   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 708               "message signed_own_public" : "message signed_own_private", 4,
 709               server, msg, target, origtarget);
 710 out:
 711   if (free_ret && target != NULL) g_free(target);
 712   cmd_params_free(free_arg);
 713 }
 714
 715 /* FILE command */
 716
 717 SILC_TASK_CALLBACK(silc_client_file_close_later)
 718 {
 719   FtpSession ftp = (FtpSession)context;
 720
 721   SILC_LOG_DEBUG(("Start"));
 722
 723   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 724   silc_free(ftp->filepath);
 725   silc_free(ftp);
 726 }
 727
 728 static void silc_client_file_monitor(SilcClient client,
 729                                      SilcClientConnection conn,
 730                                      SilcClientMonitorStatus status,
 731                                      SilcClientFileError error,
 732                                      SilcUInt64 offset,
 733                                      SilcUInt64 filesize,
 734                                      SilcClientEntry client_entry,
 735                                      SilcUInt32 session_id,
 736                                      const char *filepath,
 737                                      void *context)
 738 {
 739   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 740   FtpSession ftp;
 741   char fsize[32];
 742
 743   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 744     return;
 745
 746   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 747
 748   silc_dlist_start(server->ftp_sessions);
 749   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 750     if (ftp->session_id == session_id) {
 751       if (!ftp->filepath && filepath)
 752         ftp->filepath = strdup(filepath);
 753       break;
 754     }
 755   }
 756
 757   if (ftp == SILC_LIST_END)
 758     return;
 759
 760   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 761       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 762     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 763       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 764                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 765                          client_entry->nickname,
 766                          filepath ? filepath : "[N/A]");
 767     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 768       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 769                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 770                          client_entry->nickname);
 771     else
 772       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 773                          SILCTXT_FILE_ERROR, client_entry->nickname);
 774     silc_schedule_task_add_timeout(silc_client->schedule,
 775                                    silc_client_file_close_later, ftp,
 776                                    1, 0);
 777     silc_dlist_del(server->ftp_sessions, ftp);
 778     if (ftp == server->current_session) {
 779       server->current_session = NULL;
 780       silc_dlist_start(server->ftp_sessions);
 781       server->current_session = silc_dlist_get(server->ftp_sessions);
 782     }
 783   }
 784
 785   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 786     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 787                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 788   }
 789
 790   /* Save some transmission data */
 791   if (offset && filesize) {
 792     unsigned long delta = time(NULL) - ftp->starttime;
 793
 794     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 795     if (delta)
 796       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 797     else
 798       ftp->kps = (double)(offset + 1023) / (double)1024;
 799     ftp->offset = offset;
 800     ftp->filesize = filesize;
 801   }
 802
 803   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 804     if (offset == 0) {
 805       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 806                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 807                          client_entry->nickname);
 808       ftp->starttime = time(NULL);
 809     }
 810     if (offset == filesize) {
 811       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 812                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 813                          client_entry->nickname, ftp->kps);
 814       silc_schedule_task_add_timeout(silc_client->schedule,
 815                                      silc_client_file_close_later, ftp,
 816                                      1, 0);
 817       silc_dlist_del(server->ftp_sessions, ftp);
 818       if (ftp == server->current_session) {
 819         server->current_session = NULL;
 820         silc_dlist_start(server->ftp_sessions);
 821         server->current_session = silc_dlist_get(server->ftp_sessions);
 822       }
 823
 824     }
 825   }
 826
 827   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 828     if (offset == 0) {
 829       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 830                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 831                          client_entry->nickname);
 832       ftp->starttime = time(NULL);
 833     }
 834
 835     if (offset == filesize) {
 836       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 837                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 838                          client_entry->nickname, ftp->kps);
 839       silc_schedule_task_add_timeout(silc_client->schedule,
 840                                      silc_client_file_close_later, ftp,
 841                                      1, 0);
 842       silc_dlist_del(server->ftp_sessions, ftp);
 843       if (ftp == server->current_session) {
 844         server->current_session = NULL;
 845         silc_dlist_start(server->ftp_sessions);
 846         server->current_session = silc_dlist_get(server->ftp_sessions);
 847       }
 848
 849     }
 850   }
 851 }
 852
 853 typedef struct {
 854   SILC_SERVER_REC *server;
 855   char *data;
 856   char *nick;
 857   WI_ITEM_REC *item;
 858 } *FileGetClients;
 859
 860 static void silc_client_command_file_get_clients(SilcClient client,
 861                                                  SilcClientConnection conn,
 862                                                  SilcStatus status,
 863                                                  SilcDList clients,
 864                                                  void *context)
 865 {
 866   FileGetClients internal = (FileGetClients)context;
 867
 868   if (!clients) {
 869     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 870               internal->nick);
 871     silc_free(internal->data);
 872     silc_free(internal->nick);
 873     silc_free(internal);
 874     return;
 875   }
 876
 877   signal_emit("command file", 3, internal->data, internal->server,
 878               internal->item);
 879
 880   silc_free(internal->data);
 881   silc_free(internal->nick);
 882   silc_free(internal);
 883 }
 884
 885 static void command_file(const char *data, SILC_SERVER_REC *server,
 886                          WI_ITEM_REC *item)
 887 {
 888   SilcClientConnection conn;
 889   SilcClientEntry client_entry;
 890   SilcDList entries;
 891   SilcClientFileError ret;
 892   char nickname[128 + 1], *tmp;
 893   unsigned char **argv;
 894   SilcUInt32 argc;
 895   SilcUInt32 *argv_lens, *argv_types;
 896   int type = 0;
 897   FtpSession ftp;
 898   char *local_ip = NULL;
 899   SilcUInt32 local_port = 0;
 900   SilcUInt32 session_id;
 901   bool do_not_bind = FALSE;
 902   SilcClientConnectionParams params;
 903
 904   CMD_SILC_SERVER(server);
 905   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 906     cmd_return_error(CMDERR_NOT_CONNECTED);
 907
 908   conn = server->conn;
 909
 910   /* Now parse all arguments */
 911   tmp = g_strconcat("FILE", " ", data, NULL);
 912   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 913   g_free(tmp);
 914
 915   if (argc == 1)
 916     type = 4;
 917
 918   if (argc >= 2) {
 919     if (!strcasecmp(argv[1], "send"))
 920       type = 1;
 921     if (!strcasecmp(argv[1], "accept"))
 922       type = 2;
 923     if (!strcasecmp(argv[1], "close"))
 924       type = 3;
 925   }
 926
 927   if (type == 0)
 928     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 929
 930   switch (type) {
 931   case 1:
 932     if (argc < 4)
 933       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 934
 935     /* Parse the typed nickname. */
 936     if (!silc_parse_userfqdn(argv[3], nickname, sizeof(nickname), NULL, 0)) {
 937       printformat_module("fe-common/silc", server, NULL,
 938                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 939       goto out;
 940     }
 941
 942     /* Find client entry */
 943     entries = silc_client_get_clients_local(silc_client, conn, nickname,
 944                                             argv[3]);
 945     if (!entries) {
 946       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 947       inter->server = server;
 948       inter->data = strdup(data);
 949       inter->nick = strdup(nickname);
 950       inter->item = item;
 951       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 952                               silc_client_command_file_get_clients, inter);
 953       goto out;
 954     }
 955     silc_dlist_start(entries);
 956     client_entry = silc_dlist_get(entries);
 957
 958     if (argc >= 5) {
 959       if (!strcasecmp(argv[4], "-no-listener"))
 960         do_not_bind = TRUE;
 961       else
 962         local_ip = argv[4];
 963     }
 964     if (argc >= 6) {
 965       if (!strcasecmp(argv[5], "-no-listener"))
 966         do_not_bind = TRUE;
 967       else
 968         local_port = atoi(argv[5]);
 969     }
 970     if (argc >= 7) {
 971       if (!strcasecmp(argv[6], "-no-listener"))
 972         do_not_bind = TRUE;
 973     }
 974
 975     memset(&params, 0, sizeof(params));
 976     if (!do_not_bind) {
 977       if (local_ip)
 978         params.local_ip = strdup(local_ip);
 979       params.local_port = local_port;
 980       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 981         params.local_ip = (char *)settings_get_str("auto_public_ip");
 982         if ((params.local_ip) && (*params.local_ip == '\0')) {
 983           params.local_ip = silc_net_localip();
 984         } else {
 985           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
 986           if ((params.bind_ip) && (*params.bind_ip == '\0'))
 987             params.bind_ip = NULL;
 988           params.local_port = settings_get_int("auto_bind_port");
 989         }
 990       }
 991       if (!params.local_ip)
 992         params.local_ip = silc_net_localip();
 993     }
 994     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
 995
 996     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
 997                                 irssi_pubkey, irssi_privkey,
 998                                 silc_client_file_monitor, server, argv[2],
 999                                 &session_id);
1000     if (ret == SILC_CLIENT_FILE_OK) {
1001       ftp = silc_calloc(1, sizeof(*ftp));
1002       ftp->session_id = session_id;
1003
1004       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1005                          SILCTXT_FILE_SEND, client_entry->nickname,
1006                          argv[2]);
1007
1008       ftp->client_entry = client_entry;
1009       ftp->filepath = strdup(argv[2]);
1010       ftp->conn = conn;
1011       ftp->send = TRUE;
1012       silc_dlist_add(server->ftp_sessions, ftp);
1013       server->current_session = ftp;
1014     } else {
1015       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1016         printformat_module("fe-common/silc", server, NULL,
1017                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1018                            client_entry->nickname);
1019       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1020         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1021                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1022                            client_entry->nickname, argv[2]);
1023     }
1024
1025     silc_client_list_free(silc_client, server->conn, entries);
1026     break;
1027
1028   case 2:
1029     /* Parse the typed nickname. */
1030     if (argc >= 3) {
1031       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1032         printformat_module("fe-common/silc", server, NULL,
1033                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1034         goto out;
1035       }
1036
1037       /* Find client entry */
1038       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1039                                               argv[2]);
1040       if (!entries) {
1041         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1042         inter->server = server;
1043         inter->data = strdup(data);
1044         inter->nick = strdup(nickname);
1045         inter->item = item;
1046         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1047                                 silc_client_command_file_get_clients, inter);
1048         goto out;
1049       }
1050       silc_dlist_start(entries);
1051       client_entry = silc_dlist_get(entries);
1052       silc_client_list_free(silc_client, server->conn, entries);
1053     } else {
1054       if (!server->current_session) {
1055         printformat_module("fe-common/silc", server, NULL,
1056                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1057         goto out;
1058       }
1059
1060       memset(&params, 0, sizeof(params));
1061       if (settings_get_bool("use_auto_addr")) {
1062         params.local_ip = (char *)settings_get_str("auto_public_ip");
1063         if ((params.local_ip) && (*params.local_ip == '\0')) {
1064           params.local_ip = silc_net_localip();
1065         } else {
1066           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1067           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1068             params.bind_ip = NULL;
1069           params.local_port = settings_get_int("auto_bind_port");
1070         }
1071       }
1072       if (!params.local_ip)
1073         params.local_ip = silc_net_localip();
1074       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1075
1076       ret = silc_client_file_receive(silc_client, conn, &params,
1077                                      irssi_pubkey, irssi_privkey,
1078                                      silc_client_file_monitor, server, NULL,
1079                                      server->current_session->session_id,
1080                                      NULL, NULL);
1081       if (ret != SILC_CLIENT_FILE_OK) {
1082         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1083           printformat_module("fe-common/silc", server, NULL,
1084                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1085                              server->current_session->client_entry->nickname);
1086         else {
1087           printformat_module("fe-common/silc", server, NULL,
1088                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1089                              server->current_session->client_entry->nickname);
1090
1091           silc_client_file_close(silc_client, conn,
1092                                  server->current_session->session_id);
1093           silc_dlist_del(server->ftp_sessions, server->current_session);
1094           silc_free(server->current_session->filepath);
1095           silc_free(server->current_session);
1096           server->current_session = NULL;
1097
1098           silc_dlist_start(server->ftp_sessions);
1099           server->current_session = silc_dlist_get(server->ftp_sessions);
1100         }
1101       }
1102
1103       goto out;
1104     }
1105
1106     silc_dlist_start(server->ftp_sessions);
1107     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1108       if (ftp->client_entry == client_entry && !ftp->filepath) {
1109         memset(&params, 0, sizeof(params));
1110         if (settings_get_bool("use_auto_addr")) {
1111           params.local_ip = (char *)settings_get_str("auto_public_ip");
1112           if ((params.local_ip) && (*params.local_ip == '\0')) {
1113             params.local_ip = silc_net_localip();
1114           } else {
1115             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1116             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1117               params.bind_ip = NULL;
1118             params.local_port = settings_get_int("auto_bind_port");
1119           }
1120         }
1121         if (!params.local_ip)
1122           params.local_ip = silc_net_localip();
1123         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1124
1125         ret = silc_client_file_receive(silc_client, conn, &params,
1126                                        irssi_pubkey, irssi_privkey,
1127                                        silc_client_file_monitor, server,
1128                                        NULL, ftp->session_id, NULL, NULL);
1129         if (ret != SILC_CLIENT_FILE_OK) {
1130           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1131             printformat_module("fe-common/silc", server, NULL,
1132                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1133                                client_entry->nickname);
1134           else {
1135             printformat_module("fe-common/silc", server, NULL,
1136                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1137                                client_entry->nickname);
1138             silc_client_file_close(silc_client, conn, ftp->session_id);
1139             silc_dlist_del(server->ftp_sessions, ftp);
1140             if (ftp == server->current_session) {
1141               server->current_session = NULL;
1142               silc_dlist_start(server->ftp_sessions);
1143               server->current_session = silc_dlist_get(server->ftp_sessions);
1144             }
1145             silc_free(ftp->filepath);
1146             silc_free(ftp);
1147           }
1148         }
1149         break;
1150       }
1151     }
1152
1153     if (ftp == SILC_LIST_END) {
1154       printformat_module("fe-common/silc", server, NULL,
1155                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1156                          client_entry->nickname);
1157       goto out;
1158     }
1159     break;
1160
1161   case 3:
1162     /* Parse the typed nickname. */
1163     if (argc >= 3) {
1164       if (!silc_parse_userfqdn(argv[2], nickname, sizeof(nickname), NULL, 0)) {
1165         printformat_module("fe-common/silc", server, NULL,
1166                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
1167         goto out;
1168       }
1169
1170       /* Find client entry */
1171       entries = silc_client_get_clients_local(silc_client, conn, nickname,
1172                                               argv[2]);
1173       if (!entries) {
1174         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1175         inter->server = server;
1176         inter->data = strdup(data);
1177         inter->nick = strdup(nickname);
1178         inter->item = item;
1179         silc_client_get_clients(silc_client, conn, nickname, argv[2],
1180                                 silc_client_command_file_get_clients, inter);
1181         goto out;
1182       }
1183       silc_dlist_start(entries);
1184       client_entry = silc_dlist_get(entries);
1185       silc_client_list_free(silc_client, server->conn, entries);
1186     } else {
1187       if (!server->current_session) {
1188         printformat_module("fe-common/silc", server, NULL,
1189                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1190         goto out;
1191       }
1192
1193       silc_client_file_close(silc_client, conn,
1194                              server->current_session->session_id);
1195       printformat_module("fe-common/silc", server, NULL,
1196                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1197                          server->current_session->client_entry->nickname,
1198                          server->current_session->filepath ?
1199                          server->current_session->filepath : "[N/A]");
1200       silc_dlist_del(server->ftp_sessions, server->current_session);
1201       silc_free(server->current_session->filepath);
1202       silc_free(server->current_session);
1203       server->current_session = NULL;
1204
1205       silc_dlist_start(server->ftp_sessions);
1206       server->current_session = silc_dlist_get(server->ftp_sessions);
1207       goto out;
1208     }
1209
1210     silc_dlist_start(server->ftp_sessions);
1211     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1212       if (ftp->client_entry == client_entry) {
1213         silc_client_file_close(silc_client, conn, ftp->session_id);
1214         printformat_module("fe-common/silc", server, NULL,
1215                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1216                            client_entry->nickname,
1217                            ftp->filepath ? ftp->filepath : "[N/A]");
1218         silc_dlist_del(server->ftp_sessions, ftp);
1219         if (ftp == server->current_session) {
1220           server->current_session = NULL;
1221           silc_dlist_start(server->ftp_sessions);
1222           server->current_session = silc_dlist_get(server->ftp_sessions);
1223         }
1224         silc_free(ftp->filepath);
1225         silc_free(ftp);
1226         break;
1227       }
1228     }
1229
1230     if (ftp == SILC_LIST_END) {
1231       printformat_module("fe-common/silc", server, NULL,
1232                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1233                          client_entry->nickname);
1234       goto out;
1235     }
1236     break;
1237
1238   case 4:
1239
1240     if (!silc_dlist_count(server->ftp_sessions)) {
1241       printformat_module("fe-common/silc", server, NULL,
1242                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1243       goto out;
1244     }
1245
1246     printformat_module("fe-common/silc", server, NULL,
1247                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1248
1249     silc_dlist_start(server->ftp_sessions);
1250     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1251       printformat_module("fe-common/silc", server, NULL,
1252                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1253                          ftp->client_entry->nickname,
1254                          ftp->session_id,
1255                          ftp->send ? "send" : "receive",
1256                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1257                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1258                          ftp->percent, ftp->kps,
1259                          ftp->filepath ? ftp->filepath : "[N/A]");
1260     }
1261
1262     break;
1263
1264   default:
1265     break;
1266   }
1267
1268  out:
1269   return;
1270 }
1271
1272 void silc_server_init(void)
1273 {
1274   silc_servers_reconnect_init();
1275
1276   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1277   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1278   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1279   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1280   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1281   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1282   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1283   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1284   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1285   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1286   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1287   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1288   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1289   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1290   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1291   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1292   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1293   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1294   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1295   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1296   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1297   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1298   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1299   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1300   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1301   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1302   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1303   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1304   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1305
1306   command_set_options("connect", "+silcnet");
1307 }
1308
1309 void silc_server_deinit(void)
1310 {
1311   silc_servers_reconnect_deinit();
1312
1313   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1314   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1315   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1316   command_unbind("whois", (SIGNAL_FUNC) command_self);
1317   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1318   command_unbind("nick", (SIGNAL_FUNC) command_self);
1319   command_unbind("topic", (SIGNAL_FUNC) command_self);
1320   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1321   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1322   command_unbind("users", (SIGNAL_FUNC) command_self);
1323   command_unbind("list", (SIGNAL_FUNC) command_self);
1324   command_unbind("oper", (SIGNAL_FUNC) command_self);
1325   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1326   command_unbind("umode", (SIGNAL_FUNC) command_self);
1327   command_unbind("invite", (SIGNAL_FUNC) command_self);
1328   command_unbind("kill", (SIGNAL_FUNC) command_self);
1329   command_unbind("kick", (SIGNAL_FUNC) command_self);
1330   command_unbind("info", (SIGNAL_FUNC) command_self);
1331   command_unbind("ping", (SIGNAL_FUNC) command_self);
1332   command_unbind("motd", (SIGNAL_FUNC) command_self);
1333   command_unbind("ban", (SIGNAL_FUNC) command_self);
1334   command_unbind("close", (SIGNAL_FUNC) command_self);
1335   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1336   command_unbind("file", (SIGNAL_FUNC) command_file);
1337   command_unbind("detach", (SIGNAL_FUNC) command_self);
1338   command_unbind("watch", (SIGNAL_FUNC) command_self);
1339   command_unbind("stats", (SIGNAL_FUNC) command_self);
1340   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1341   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1342 }
1343
1344 void silc_server_free_ftp(SILC_SERVER_REC *server,
1345                           SilcClientEntry client_entry)
1346 {
1347   FtpSession ftp;
1348
1349   silc_dlist_start(server->ftp_sessions);
1350   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1351     if (ftp->client_entry == client_entry) {
1352       silc_dlist_del(server->ftp_sessions, ftp);
1353       silc_free(ftp->filepath);
1354       silc_free(ftp);
1355     }
1356   }
1357 }
1358
1359 bool silc_term_utf8(void)
1360 {
1361   const char *str;
1362   str = settings_get_str("term_charset");
1363   if (str)
1364     if (g_strcasecmp(str, "utf-8") == 0)
1365       return TRUE;
1366   return FALSE;
1367 }