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
  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
 419   /* Try to read detached session data and use it if found. */
 420   file = silc_get_session_filename(server);
 421   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 422   if (params.detach_data)
 423     params.detach_data[params.detach_data_len] = 0;
 424   if (params.detach_data)
 425     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 426                         SILCTXT_REATTACH, server->tag);
 427   silc_free(file);
 428
 429   /*
 430         * Store the SILC_SERVER_REC in the stream context so that we can fetch it
 431         * from the verify key exchange prompt.  There should have been an initial
 432         * user parameter value for the SilcClientConnection that could have been
 433         * passed to SilcClientConnectionParams, but because there's no version
 434         * number or size field in SilcClientConnectionParams, it is fixed for all
 435         * time and not extendable.
 436         *
 437         * Instead, we must revert to pulling the SilcStream out of the
 438         * SilcPacketStream associated with the SilcClientConnection object in the
 439         * verify key exchange prompt callback in order to get our per-connection
 440         * context.  Hence, the extra levels of indirection.
 441         */
 442
 443   silc_socket_stream_set_context(stream, server);
 444
 445   /* Start key exchange */
 446   server->op = silc_client_key_exchange(silc_client, &params,
 447                                         irssi_pubkey, irssi_privkey,
 448                                         stream, SILC_CONN_SERVER,
 449                                         silc_connect_cb, server);
 450   if (!server->op) {
 451     server->connection_lost = TRUE;
 452     server_disconnect(SERVER(server));
 453     silc_stream_destroy(stream);
 454     return;
 455   }
 456
 457   server_ref(SERVER(server));
 458   server->ftp_sessions = silc_dlist_init();
 459   server->isnickflag = isnickflag_func;
 460   server->ischannel = ischannel_func;
 461   server->get_nick_flags = get_nick_flags;
 462   server->send_message = (void *) send_message;
 463 }
 464
 465 static void sig_connected(SILC_SERVER_REC *server)
 466 {
 467   int fd;
 468
 469   if (!IS_SILC_SERVER(server))
 470     return;
 471
 472   /* Wrap the socket to TCP stream */
 473   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 474   server->tcp_op =
 475     silc_socket_tcp_stream_create(fd, TRUE, FALSE,
 476                                   silc_client->schedule,
 477                                   sig_connected_stream_created, server);
 478 }
 479
 480 static void sig_disconnected(SILC_SERVER_REC *server)
 481 {
 482   if (!IS_SILC_SERVER(server))
 483     return;
 484
 485   /* If we have a prompt in progress, then abort it. */
 486   if (server->prompt_op) {
 487     silc_async_abort(server->prompt_op, NULL, NULL);
 488          server->prompt_op = NULL;
 489   }
 490
 491   if (server->conn) {
 492     /* Close connection */
 493     silc_client_close_connection(silc_client, server->conn);
 494   } else if (server->op) {
 495     /* Abort on going connecting (key exchange) */
 496     silc_async_abort(server->op, NULL, NULL);
 497     server->op = NULL;
 498   } else if (server->tcp_op) {
 499     /* Abort on going TCP stream creation */
 500     silc_async_abort(server->tcp_op, NULL, NULL);
 501     server->tcp_op = NULL;
 502   }
 503
 504   /* SILC closes the handle */
 505   if (server->handle) {
 506     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 507     net_sendbuffer_destroy(server->handle, FALSE);
 508     server->handle = NULL;
 509   }
 510 }
 511
 512 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 513 {
 514   SILC_SERVER_REC *server;
 515
 516   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 517   if (conn->address == NULL || *conn->address == '\0')
 518     return NULL;
 519   if (conn->nick == NULL || *conn->nick == '\0') {
 520     silc_say_error("Cannot connect: nickname is not set");
 521     return NULL;
 522   }
 523
 524   server = g_new0(SILC_SERVER_REC, 1);
 525   server->chat_type = SILC_PROTOCOL;
 526   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 527   server_connect_ref(conn);
 528
 529   if (server->connrec->port <= 0)
 530     server->connrec->port = 706;
 531
 532   server_connect_init((SERVER_REC *)server);
 533   return (SERVER_REC *)server;
 534 }
 535
 536 void silc_server_connect(SERVER_REC *server)
 537 {
 538   if (!server_start_connect(server)) {
 539     server_connect_unref(server->connrec);
 540     g_free(server);
 541     return;
 542   }
 543 }
 544
 545 /* Return a string of all channels in server in server->channels_join()
 546    format */
 547
 548 char *silc_server_get_channels(SILC_SERVER_REC *server)
 549 {
 550   GSList *tmp;
 551   GString *chans;
 552   char *ret;
 553
 554   g_return_val_if_fail(server != NULL, FALSE);
 555
 556   chans = g_string_new(NULL);
 557   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 558     CHANNEL_REC *channel = tmp->data;
 559     CHANNEL_SETUP_REC *schannel;
 560
 561     if ((schannel = channel_setup_find(channel->name, server->connrec->chatnet)) &&
 562         schannel->password)
 563       g_string_sprintfa(chans, "%s %s,", channel->name,
 564                         schannel->password);
 565     else
 566       g_string_sprintfa(chans, "%s,", channel->name);
 567   }
 568
 569   if (chans->len > 0)
 570     g_string_truncate(chans, chans->len-1);
 571
 572   ret = chans->str;
 573   g_string_free(chans, FALSE);
 574
 575   return ret;
 576 }
 577
 578 /* Syntaxes of all SILC commands for HELP files (the help file generation
 579    will snoop these from here). */
 580
 581 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 582 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 583 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 584 /* SYNTAX: GETKEY <nickname or server name> */
 585 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 586 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 587 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 588 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 589 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 590 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 591 /* SYNTAX: OPER <username> [-pubkey] */
 592 /* SYNTAX: SILCOPER <username> [-pubkey] */
 593 /* SYNTAX: TOPIC <channel> [<topic>] */
 594 /* SYNTAX: UMODE +|-<modes> */
 595 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 596 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 597 /* SYNTAX: CLOSE <server> [<port>] */
 598 /* SYNTAX: MOTD [<server>] */
 599 /* SYNTAX: LIST [<channel>] */
 600 /* SYNTAX: ME <message> */
 601 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 602 /* SYNTAX: AWAY [<message>] */
 603 /* SYNTAX: INFO [<server>] */
 604 /* SYNTAX: NICK <nickname> */
 605 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 606 /* SYNTAX: PART [<channel>] */
 607 /* SYNTAX: PING */
 608 /* SYNTAX: USERS <channel> */
 609 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 610 /* SYNTAX: FILE ACCEPT [<nickname>] */
 611 /* SYNTAX: FILE CLOSE [<nickname>] */
 612 /* SYNTAX: FILE */
 613 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 614 /* SYNTAX: DETACH */
 615 /* SYNTAX: WATCH [<-add | -del> <nickname>] [-pubkey +|-<pubkeyfile>] */
 616 /* SYNTAX: STATS */
 617 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 618 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 619 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 620
 621 void silc_command_exec(SILC_SERVER_REC *server,
 622                        const char *command, const char *args)
 623 {
 624   char *data;
 625   g_return_if_fail(server != NULL);
 626
 627   /* Call the command */
 628   data = g_strconcat(command, " ", args, NULL);
 629   silc_queue_command_call(silc_client, server->conn, data);
 630   g_free(data);
 631 }
 632
 633 /* Generic command function to call any SILC command directly. */
 634
 635 static void command_self(const char *data, SILC_SERVER_REC *server,
 636                          WI_ITEM_REC *item)
 637 {
 638   CMD_SILC_SERVER(server);
 639
 640   if (!IS_SILC_SERVER(server) || !server->connected) {
 641     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 642     return;
 643   }
 644
 645   if (IS_SILC_CHANNEL(item)) {
 646     SILC_CHANNEL_REC *chanrec;
 647     chanrec = silc_channel_find(server, item->visible_name);
 648     if (chanrec)
 649       server->conn->current_channel = chanrec->entry;
 650   }
 651
 652   silc_command_exec(server, current_command, data);
 653   signal_stop();
 654 }
 655
 656 /* SMSG command, to send digitally signed messages */
 657
 658 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 659                          WI_ITEM_REC *item)
 660 {
 661   GHashTable *optlist;
 662   char *target, *origtarget, *msg;
 663   void *free_arg;
 664   int free_ret, target_type;
 665
 666   g_return_if_fail(data != NULL);
 667   if (server == NULL || !server->connected)
 668     cmd_param_error(CMDERR_NOT_CONNECTED);
 669
 670   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 671                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 672                       "msg", &optlist, &target, &msg))
 673     return;
 674   if (*target == '\0' || *msg == '\0')
 675     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 676
 677   origtarget = target;
 678   free_ret = FALSE;
 679
 680   if (strcmp(target, "*") == 0) {
 681     if (item == NULL)
 682       cmd_param_error(CMDERR_NOT_JOINED);
 683
 684     target_type = IS_CHANNEL(item) ?
 685       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 686     target = (char *) window_item_get_target(item);
 687   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 688     target_type = SEND_TARGET_CHANNEL;
 689   } else {
 690     target_type = server_ischannel(SERVER(server), target) ?
 691       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 692   }
 693
 694   if (target != NULL) {
 695     char *message = NULL, *t = NULL;
 696     int len, result;
 697
 698     if (!silc_term_utf8()) {
 699       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LOCALE);
 700       message = silc_calloc(len + 1, sizeof(*message));
 701       g_return_if_fail(message != NULL);
 702       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE, message, len);
 703     }
 704
 705     if (target_type == SEND_TARGET_CHANNEL)
 706       result = silc_send_channel(server, target, message ? message : msg,
 707                                  SILC_MESSAGE_FLAG_UTF8 |
 708                                  SILC_MESSAGE_FLAG_SIGNED);
 709     else {
 710       if (!silc_term_utf8()) {
 711         len = silc_utf8_encoded_len(target, strlen(target),
 712                                     SILC_STRING_LOCALE);
 713         t = silc_calloc(len + 1, sizeof(*t));
 714         g_return_if_fail(t != NULL);
 715         silc_utf8_encode(target, strlen(target), SILC_STRING_LOCALE, t, len);
 716       }
 717       result = silc_send_msg(server, t ? t : target, message ? message : msg,
 718                              message ? strlen(message) : strlen(msg),
 719                              SILC_MESSAGE_FLAG_UTF8 |
 720                              SILC_MESSAGE_FLAG_SIGNED);
 721     }
 722     silc_free(message);
 723     silc_free(t);
 724     if (!result)
 725       goto out;
 726   }
 727
 728   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 729               "message signed_own_public" : "message signed_own_private", 4,
 730               server, msg, target, origtarget);
 731 out:
 732   if (free_ret && target != NULL) g_free(target);
 733   cmd_params_free(free_arg);
 734 }
 735
 736 /* FILE command */
 737
 738 SILC_TASK_CALLBACK(silc_client_file_close_later)
 739 {
 740   FtpSession ftp = (FtpSession)context;
 741
 742   SILC_LOG_DEBUG(("Start"));
 743
 744   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 745   silc_free(ftp->filepath);
 746   silc_free(ftp);
 747 }
 748
 749 static void silc_client_file_monitor(SilcClient client,
 750                                      SilcClientConnection conn,
 751                                      SilcClientMonitorStatus status,
 752                                      SilcClientFileError error,
 753                                      SilcUInt64 offset,
 754                                      SilcUInt64 filesize,
 755                                      SilcClientEntry client_entry,
 756                                      SilcUInt32 session_id,
 757                                      const char *filepath,
 758                                      void *context)
 759 {
 760   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 761   FtpSession ftp;
 762   char fsize[32];
 763
 764   if (status == SILC_CLIENT_FILE_MONITOR_CLOSED)
 765     return;
 766
 767   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 768
 769   silc_dlist_start(server->ftp_sessions);
 770   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 771     if (ftp->session_id == session_id) {
 772       if (!ftp->filepath && filepath)
 773         ftp->filepath = strdup(filepath);
 774       break;
 775     }
 776   }
 777
 778   if (ftp == SILC_LIST_END)
 779     return;
 780
 781   if (status == SILC_CLIENT_FILE_MONITOR_ERROR ||
 782       status == SILC_CLIENT_FILE_MONITOR_DISCONNECT) {
 783     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 784       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 785                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 786                          client_entry->nickname,
 787                          filepath ? filepath : "[N/A]");
 788     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 789       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 790                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 791                          client_entry->nickname);
 792     else
 793       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 794                          SILCTXT_FILE_ERROR, client_entry->nickname);
 795     silc_schedule_task_add_timeout(silc_client->schedule,
 796                                    silc_client_file_close_later, ftp,
 797                                    1, 0);
 798     silc_dlist_del(server->ftp_sessions, ftp);
 799     if (ftp == server->current_session) {
 800       server->current_session = NULL;
 801       silc_dlist_start(server->ftp_sessions);
 802       server->current_session = silc_dlist_get(server->ftp_sessions);
 803     }
 804   }
 805
 806   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 807     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 808                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 809   }
 810
 811   /* Save some transmission data */
 812   if (offset && filesize) {
 813     unsigned long delta = time(NULL) - ftp->starttime;
 814
 815     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 816     if (delta)
 817       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 818     else
 819       ftp->kps = (double)(offset + 1023) / (double)1024;
 820     ftp->offset = offset;
 821     ftp->filesize = filesize;
 822   }
 823
 824   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 825     if (offset == 0) {
 826       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 827                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 828                          client_entry->nickname);
 829       ftp->starttime = time(NULL);
 830     }
 831     if (offset == filesize) {
 832       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 833                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 834                          client_entry->nickname, ftp->kps);
 835       silc_schedule_task_add_timeout(silc_client->schedule,
 836                                      silc_client_file_close_later, ftp,
 837                                      1, 0);
 838       silc_dlist_del(server->ftp_sessions, ftp);
 839       if (ftp == server->current_session) {
 840         server->current_session = NULL;
 841         silc_dlist_start(server->ftp_sessions);
 842         server->current_session = silc_dlist_get(server->ftp_sessions);
 843       }
 844
 845     }
 846   }
 847
 848   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 849     if (offset == 0) {
 850       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 851                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 852                          client_entry->nickname);
 853       ftp->starttime = time(NULL);
 854     }
 855
 856     if (offset == filesize) {
 857       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 858                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 859                          client_entry->nickname, ftp->kps);
 860       silc_schedule_task_add_timeout(silc_client->schedule,
 861                                      silc_client_file_close_later, ftp,
 862                                      1, 0);
 863       silc_dlist_del(server->ftp_sessions, ftp);
 864       if (ftp == server->current_session) {
 865         server->current_session = NULL;
 866         silc_dlist_start(server->ftp_sessions);
 867         server->current_session = silc_dlist_get(server->ftp_sessions);
 868       }
 869
 870     }
 871   }
 872 }
 873
 874 typedef struct {
 875   SILC_SERVER_REC *server;
 876   char *data;
 877   char *nick;
 878   WI_ITEM_REC *item;
 879 } *FileGetClients;
 880
 881 static void silc_client_command_file_get_clients(SilcClient client,
 882                                                  SilcClientConnection conn,
 883                                                  SilcStatus status,
 884                                                  SilcDList clients,
 885                                                  void *context)
 886 {
 887   FileGetClients internal = (FileGetClients)context;
 888
 889   if (!clients) {
 890     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 891               "There was no such nickname: %s", internal->nick);
 892     silc_free(internal->data);
 893     silc_free(internal->nick);
 894     silc_free(internal);
 895     return;
 896   }
 897
 898   signal_emit("command file", 3, internal->data, internal->server,
 899               internal->item);
 900
 901   silc_free(internal->data);
 902   silc_free(internal->nick);
 903   silc_free(internal);
 904 }
 905
 906 static void command_file(const char *data, SILC_SERVER_REC *server,
 907                          WI_ITEM_REC *item)
 908 {
 909   SilcClientConnection conn;
 910   SilcClientEntry client_entry;
 911   SilcDList entries;
 912   SilcClientFileError ret;
 913   char *nickname = NULL, *tmp;
 914   unsigned char **argv;
 915   SilcUInt32 argc;
 916   SilcUInt32 *argv_lens, *argv_types;
 917   int type = 0;
 918   FtpSession ftp;
 919   char *local_ip = NULL;
 920   SilcUInt32 local_port = 0;
 921   SilcUInt32 session_id;
 922   bool do_not_bind = FALSE;
 923   SilcClientConnectionParams params;
 924
 925   CMD_SILC_SERVER(server);
 926   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 927     cmd_return_error(CMDERR_NOT_CONNECTED);
 928
 929   conn = server->conn;
 930
 931   /* Now parse all arguments */
 932   tmp = g_strconcat("FILE", " ", data, NULL);
 933   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 934   g_free(tmp);
 935
 936   if (argc == 1)
 937     type = 4;
 938
 939   if (argc >= 2) {
 940     if (!strcasecmp(argv[1], "send"))
 941       type = 1;
 942     if (!strcasecmp(argv[1], "accept"))
 943       type = 2;
 944     if (!strcasecmp(argv[1], "close"))
 945       type = 3;
 946   }
 947
 948   if (type == 0)
 949     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 950
 951   switch (type) {
 952   case 1:
 953     if (argc < 4)
 954       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 955
 956     /* Parse the typed nickname. */
 957     silc_client_nickname_parse(silc_client, conn, argv[3], &nickname);
 958     if (!nickname)
 959       nickname = strdup(argv[3]);
 960
 961     /* Find client entry */
 962     entries = silc_client_get_clients_local(silc_client, conn, argv[3], FALSE);
 963     if (!entries) {
 964       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 965       inter->server = server;
 966       inter->data = strdup(data);
 967       inter->nick = strdup(nickname);
 968       inter->item = item;
 969       silc_client_get_clients(silc_client, conn, nickname, NULL,
 970                               silc_client_command_file_get_clients, inter);
 971       goto out;
 972     }
 973     silc_dlist_start(entries);
 974     client_entry = silc_dlist_get(entries);
 975
 976     if (argc >= 5) {
 977       if (!strcasecmp(argv[4], "-no-listener"))
 978         do_not_bind = TRUE;
 979       else
 980         local_ip = argv[4];
 981     }
 982     if (argc >= 6) {
 983       if (!strcasecmp(argv[5], "-no-listener"))
 984         do_not_bind = TRUE;
 985       else
 986         local_port = atoi(argv[5]);
 987     }
 988     if (argc >= 7) {
 989       if (!strcasecmp(argv[6], "-no-listener"))
 990         do_not_bind = TRUE;
 991     }
 992
 993     memset(&params, 0, sizeof(params));
 994     if (!do_not_bind) {
 995       if (local_ip)
 996         params.local_ip = strdup(local_ip);
 997       params.local_port = local_port;
 998       if (!params.local_ip && settings_get_bool("use_auto_addr")) {
 999         params.local_ip = (char *)settings_get_str("auto_public_ip");
1000         if ((params.local_ip) && (*params.local_ip == '\0')) {
1001           params.local_ip = silc_net_localip();
1002         } else {
1003           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1004           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1005             params.bind_ip = NULL;
1006           params.local_port = settings_get_int("auto_bind_port");
1007         }
1008       }
1009       if (!params.local_ip)
1010         params.local_ip = silc_net_localip();
1011     }
1012     params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1013
1014     ret = silc_client_file_send(silc_client, conn, client_entry, &params,
1015                                 irssi_pubkey, irssi_privkey,
1016                                 silc_client_file_monitor, server, argv[2],
1017                                 &session_id);
1018     if (ret == SILC_CLIENT_FILE_OK) {
1019       ftp = silc_calloc(1, sizeof(*ftp));
1020       ftp->session_id = session_id;
1021
1022       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1023                          SILCTXT_FILE_SEND, client_entry->nickname,
1024                          argv[2]);
1025
1026       ftp->client_entry = client_entry;
1027       ftp->filepath = strdup(argv[2]);
1028       ftp->conn = conn;
1029       ftp->send = TRUE;
1030       silc_dlist_add(server->ftp_sessions, ftp);
1031       server->current_session = ftp;
1032     } else {
1033       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1034         printformat_module("fe-common/silc", server, NULL,
1035                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1036                            client_entry->nickname);
1037       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
1038         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
1039                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
1040                            client_entry->nickname, argv[2]);
1041     }
1042
1043     silc_client_list_free(silc_client, server->conn, entries);
1044     break;
1045
1046   case 2:
1047     /* Parse the typed nickname. */
1048     if (argc >= 3) {
1049       /* Parse the typed nickname. */
1050       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1051       if (!nickname)
1052         nickname = strdup(argv[2]);
1053
1054       /* Find client entry */
1055       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1056                                               FALSE);
1057       if (!entries) {
1058         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1059         inter->server = server;
1060         inter->data = strdup(data);
1061         inter->nick = strdup(nickname);
1062         inter->item = item;
1063         silc_client_get_clients(silc_client, conn, nickname, NULL,
1064                                 silc_client_command_file_get_clients, inter);
1065         goto out;
1066       }
1067       silc_dlist_start(entries);
1068       client_entry = silc_dlist_get(entries);
1069       silc_client_list_free(silc_client, server->conn, entries);
1070     } else {
1071       if (!server->current_session) {
1072         printformat_module("fe-common/silc", server, NULL,
1073                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1074         goto out;
1075       }
1076
1077       memset(&params, 0, sizeof(params));
1078       if (settings_get_bool("use_auto_addr")) {
1079         params.local_ip = (char *)settings_get_str("auto_public_ip");
1080         if ((params.local_ip) && (*params.local_ip == '\0')) {
1081           params.local_ip = silc_net_localip();
1082         } else {
1083           params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1084           if ((params.bind_ip) && (*params.bind_ip == '\0'))
1085             params.bind_ip = NULL;
1086           params.local_port = settings_get_int("auto_bind_port");
1087         }
1088       }
1089       if (!params.local_ip)
1090         params.local_ip = silc_net_localip();
1091       params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1092
1093       ret = silc_client_file_receive(silc_client, conn, &params,
1094                                      irssi_pubkey, irssi_privkey,
1095                                      silc_client_file_monitor, server, NULL,
1096                                      server->current_session->session_id,
1097                                      NULL, NULL);
1098       if (ret != SILC_CLIENT_FILE_OK) {
1099         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1100           printformat_module("fe-common/silc", server, NULL,
1101                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1102                              server->current_session->client_entry->nickname);
1103         else {
1104           printformat_module("fe-common/silc", server, NULL,
1105                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1106                              server->current_session->client_entry->nickname);
1107
1108           silc_client_file_close(silc_client, conn,
1109                                  server->current_session->session_id);
1110           silc_dlist_del(server->ftp_sessions, server->current_session);
1111           silc_free(server->current_session->filepath);
1112           silc_free(server->current_session);
1113           server->current_session = NULL;
1114
1115           silc_dlist_start(server->ftp_sessions);
1116           server->current_session = silc_dlist_get(server->ftp_sessions);
1117         }
1118       }
1119
1120       goto out;
1121     }
1122
1123     silc_dlist_start(server->ftp_sessions);
1124     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1125       if (ftp->client_entry == client_entry && !ftp->filepath) {
1126         memset(&params, 0, sizeof(params));
1127         if (settings_get_bool("use_auto_addr")) {
1128           params.local_ip = (char *)settings_get_str("auto_public_ip");
1129           if ((params.local_ip) && (*params.local_ip == '\0')) {
1130             params.local_ip = silc_net_localip();
1131           } else {
1132             params.bind_ip = (char *)settings_get_str("auto_bind_ip");
1133             if ((params.bind_ip) && (*params.bind_ip == '\0'))
1134               params.bind_ip = NULL;
1135             params.local_port = settings_get_int("auto_bind_port");
1136           }
1137         }
1138         if (!params.local_ip)
1139           params.local_ip = silc_net_localip();
1140         params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
1141
1142         ret = silc_client_file_receive(silc_client, conn, &params,
1143                                        irssi_pubkey, irssi_privkey,
1144                                        silc_client_file_monitor, server,
1145                                        NULL, ftp->session_id, NULL, NULL);
1146         if (ret != SILC_CLIENT_FILE_OK) {
1147           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
1148             printformat_module("fe-common/silc", server, NULL,
1149                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
1150                                client_entry->nickname);
1151           else {
1152             printformat_module("fe-common/silc", server, NULL,
1153                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1154                                client_entry->nickname);
1155             silc_client_file_close(silc_client, conn, ftp->session_id);
1156             silc_dlist_del(server->ftp_sessions, ftp);
1157             if (ftp == server->current_session) {
1158               server->current_session = NULL;
1159               silc_dlist_start(server->ftp_sessions);
1160               server->current_session = silc_dlist_get(server->ftp_sessions);
1161             }
1162             silc_free(ftp->filepath);
1163             silc_free(ftp);
1164           }
1165         }
1166         break;
1167       }
1168     }
1169
1170     if (ftp == SILC_LIST_END) {
1171       printformat_module("fe-common/silc", server, NULL,
1172                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1173                          client_entry->nickname);
1174       goto out;
1175     }
1176     break;
1177
1178   case 3:
1179     /* Parse the typed nickname. */
1180     if (argc >= 3) {
1181       /* Parse the typed nickname. */
1182       silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
1183       if (!nickname)
1184         nickname = strdup(argv[2]);
1185
1186       /* Find client entry */
1187       entries = silc_client_get_clients_local(silc_client, conn, argv[2],
1188                                               FALSE);
1189       if (!entries) {
1190         FileGetClients inter = silc_calloc(1, sizeof(*inter));
1191         inter->server = server;
1192         inter->data = strdup(data);
1193         inter->nick = strdup(nickname);
1194         inter->item = item;
1195         silc_client_get_clients(silc_client, conn, nickname, NULL,
1196                                 silc_client_command_file_get_clients, inter);
1197         goto out;
1198       }
1199       silc_dlist_start(entries);
1200       client_entry = silc_dlist_get(entries);
1201       silc_client_list_free(silc_client, server->conn, entries);
1202     } else {
1203       if (!server->current_session) {
1204         printformat_module("fe-common/silc", server, NULL,
1205                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1206         goto out;
1207       }
1208
1209       silc_client_file_close(silc_client, conn,
1210                              server->current_session->session_id);
1211       printformat_module("fe-common/silc", server, NULL,
1212                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1213                          server->current_session->client_entry->nickname,
1214                          server->current_session->filepath ?
1215                          server->current_session->filepath : "[N/A]");
1216       silc_dlist_del(server->ftp_sessions, server->current_session);
1217       silc_free(server->current_session->filepath);
1218       silc_free(server->current_session);
1219       server->current_session = NULL;
1220
1221       silc_dlist_start(server->ftp_sessions);
1222       server->current_session = silc_dlist_get(server->ftp_sessions);
1223       goto out;
1224     }
1225
1226     silc_dlist_start(server->ftp_sessions);
1227     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1228       if (ftp->client_entry == client_entry) {
1229         silc_client_file_close(silc_client, conn, ftp->session_id);
1230         printformat_module("fe-common/silc", server, NULL,
1231                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1232                            client_entry->nickname,
1233                            ftp->filepath ? ftp->filepath : "[N/A]");
1234         silc_dlist_del(server->ftp_sessions, ftp);
1235         if (ftp == server->current_session) {
1236           server->current_session = NULL;
1237           silc_dlist_start(server->ftp_sessions);
1238           server->current_session = silc_dlist_get(server->ftp_sessions);
1239         }
1240         silc_free(ftp->filepath);
1241         silc_free(ftp);
1242         break;
1243       }
1244     }
1245
1246     if (ftp == SILC_LIST_END) {
1247       printformat_module("fe-common/silc", server, NULL,
1248                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1249                          client_entry->nickname);
1250       goto out;
1251     }
1252     break;
1253
1254   case 4:
1255
1256     if (!silc_dlist_count(server->ftp_sessions)) {
1257       printformat_module("fe-common/silc", server, NULL,
1258                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1259       goto out;
1260     }
1261
1262     printformat_module("fe-common/silc", server, NULL,
1263                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1264
1265     silc_dlist_start(server->ftp_sessions);
1266     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1267       printformat_module("fe-common/silc", server, NULL,
1268                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1269                          ftp->client_entry->nickname,
1270                          ftp->session_id,
1271                          ftp->send ? "send" : "receive",
1272                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1273                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1274                          ftp->percent, ftp->kps,
1275                          ftp->filepath ? ftp->filepath : "[N/A]");
1276     }
1277
1278     break;
1279
1280   default:
1281     break;
1282   }
1283
1284  out:
1285   silc_free(nickname);
1286   return;
1287 }
1288
1289 void silc_server_init(void)
1290 {
1291   silc_servers_reconnect_init();
1292
1293   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1294   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1295   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1296   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1297   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1298   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1299   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1300   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1301   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1302   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1303   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1304   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1305   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1306   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1307   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1308   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1309   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1310   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1311   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1312   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1313   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1314   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1315   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1316   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1317   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1318   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1319   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1320   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1321   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1322
1323   command_set_options("connect", "+silcnet");
1324 }
1325
1326 void silc_server_deinit(void)
1327 {
1328   silc_servers_reconnect_deinit();
1329
1330   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1331   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1332   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1333   command_unbind("whois", (SIGNAL_FUNC) command_self);
1334   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1335   command_unbind("nick", (SIGNAL_FUNC) command_self);
1336   command_unbind("topic", (SIGNAL_FUNC) command_self);
1337   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1338   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1339   command_unbind("users", (SIGNAL_FUNC) command_self);
1340   command_unbind("list", (SIGNAL_FUNC) command_self);
1341   command_unbind("oper", (SIGNAL_FUNC) command_self);
1342   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1343   command_unbind("umode", (SIGNAL_FUNC) command_self);
1344   command_unbind("invite", (SIGNAL_FUNC) command_self);
1345   command_unbind("kill", (SIGNAL_FUNC) command_self);
1346   command_unbind("kick", (SIGNAL_FUNC) command_self);
1347   command_unbind("info", (SIGNAL_FUNC) command_self);
1348   command_unbind("ping", (SIGNAL_FUNC) command_self);
1349   command_unbind("motd", (SIGNAL_FUNC) command_self);
1350   command_unbind("ban", (SIGNAL_FUNC) command_self);
1351   command_unbind("close", (SIGNAL_FUNC) command_self);
1352   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1353   command_unbind("file", (SIGNAL_FUNC) command_file);
1354   command_unbind("detach", (SIGNAL_FUNC) command_self);
1355   command_unbind("watch", (SIGNAL_FUNC) command_self);
1356   command_unbind("stats", (SIGNAL_FUNC) command_self);
1357   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1358   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1359 }
1360
1361 void silc_server_free_ftp(SILC_SERVER_REC *server,
1362                           SilcClientEntry client_entry)
1363 {
1364   FtpSession ftp;
1365
1366   silc_dlist_start(server->ftp_sessions);
1367   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1368     if (ftp->client_entry == client_entry) {
1369       silc_dlist_del(server->ftp_sessions, ftp);
1370       silc_free(ftp->filepath);
1371       silc_free(ftp);
1372     }
1373   }
1374 }
1375
1376 bool silc_term_utf8(void)
1377 {
1378   const char *str;
1379   str = settings_get_str("term_charset");
1380   if (str)
1381     if (g_strcasecmp(str, "utf-8") == 0)
1382       return TRUE;
1383   return FALSE;
1384 }