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

   1 /*
   2   silc-server.c : irssi
   3
   4   Copyright (C) 2000 - 2003 Timo Sirainen
   5                             Pekka Riikonen <priikone@silcnet.org>
   6
   7   This program is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU General Public License as published by
   9   the Free Software Foundation; either version 2 of the License, or
  10   (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22 #include "module.h"
  23
  24 #include "net-nonblock.h"
  25 #include "net-sendbuffer.h"
  26 #include "signals.h"
  27 #include "servers.h"
  28 #include "commands.h"
  29 #include "levels.h"
  30 #include "modules.h"
  31 #include "rawlog.h"
  32 #include "misc.h"
  33 #include "settings.h"
  34
  35 #include "servers-setup.h"
  36
  37 #include "client_ops.h"
  38 #include "silc-servers.h"
  39 #include "silc-channels.h"
  40 #include "silc-queries.h"
  41 #include "silc-nicklist.h"
  42 #include "silc-cmdqueue.h"
  43 #include "window-item-def.h"
  44
  45 #include "fe-common/core/printtext.h"
  46 #include "fe-common/core/fe-channels.h"
  47 #include "fe-common/core/keyboard.h"
  48 #include "fe-common/silc/module-formats.h"
  49
  50 #include "silc-commands.h"
  51
  52 void silc_servers_reconnect_init(void);
  53 void silc_servers_reconnect_deinit(void);
  54
  55 int silc_send_channel(SILC_SERVER_REC *server,
  56                       char *channel, char *msg,
  57                       SilcMessageFlags flags)
  58 {
  59   SILC_CHANNEL_REC *rec;
  60
  61   rec = silc_channel_find(server, channel);
  62   if (rec == NULL || rec->entry == NULL) {
  63     cmd_return_error_value(CMDERR_NOT_JOINED, FALSE);
  64   }
  65
  66   silc_client_send_channel_message(silc_client, server->conn, rec->entry,
  67                                    NULL, flags, msg, strlen(msg), TRUE);
  68   return TRUE;
  69 }
  70
  71 typedef struct {
  72   char *nick;
  73   char *msg;
  74   int len;
  75   SilcMessageFlags flags;
  76   SILC_SERVER_REC *server;
  77 } PRIVMSG_REC;
  78
  79 /* Callback function that sends the private message if the client was
  80    resolved from the server. */
  81
  82 static void silc_send_msg_clients(SilcClient client,
  83                                   SilcClientConnection conn,
  84                                   SilcClientEntry *clients,
  85                                   SilcUInt32 clients_count,
  86                                   void *context)
  87 {
  88   PRIVMSG_REC *rec = context;
  89   SILC_SERVER_REC *server = rec->server;
  90   SilcClientEntry target;
  91   char *nickname = NULL;
  92
  93   if (!clients_count) {
  94     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  95               "%s: There is no such client", rec->nick);
  96   } else {
  97     if (clients_count > 1) {
  98       silc_parse_userfqdn(rec->nick, &nickname, NULL);
  99
 100       /* Find the correct one. The rec->nick might be a formatted nick
 101          so this will find the correct one. */
 102       clients = silc_client_get_clients_local(silc_client, server->conn,
 103                                               nickname, rec->nick,
 104                                               &clients_count);
 105       if (!clients) {
 106         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 107                   "%s: There is no such client", rec->nick);
 108         silc_free(nickname);
 109         goto out;
 110       }
 111       silc_free(nickname);
 112     }
 113
 114     target = clients[0];
 115
 116     /* Still check for exact math for nickname, this compares the
 117        real (formatted) nickname and the nick (maybe formatted) that
 118        use gave. This is to assure that `nick' does not match
 119        `nick@host'. */
 120     if (strcasecmp(rec->nick, clients[0]->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,
 129                                      rec->msg, rec->len,
 130                                      TRUE);
 131   }
 132
 133  out:
 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   SilcClientEntry *clients;
 144   SilcUInt32 clients_count;
 145   char *nickname = NULL;
 146
 147   if (!silc_parse_userfqdn(nick, &nickname, NULL)) {
 148     printformat_module("fe-common/silc", server, NULL,
 149                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 150     return FALSE;
 151   }
 152
 153   /* Find client entry */
 154   clients = silc_client_get_clients_local(silc_client, server->conn,
 155                                           nickname, nick, &clients_count);
 156   if (!clients) {
 157     rec = g_new0(PRIVMSG_REC, 1);
 158     rec->nick = g_strdup(nick);
 159     rec->msg = g_strdup(msg);
 160     rec->server = server;
 161     rec->flags = flags;
 162     rec->len = msg_len;
 163
 164     /* Could not find client with that nick, resolve it from server. */
 165     silc_client_get_clients(silc_client, server->conn,
 166                             nickname, NULL, silc_send_msg_clients, rec);
 167     silc_free(nickname);
 168     return TRUE;
 169   }
 170
 171   /* Send the private message directly */
 172   silc_free(nickname);
 173   silc_client_send_private_message(silc_client, server->conn,
 174                                    clients[0], flags,
 175                                    msg, msg_len, TRUE);
 176   return TRUE;
 177 }
 178
 179 void silc_send_mime(SILC_SERVER_REC *server, int channel, const char *to,
 180                     const char *data, int sign)
 181 {
 182   char *unescaped_data;
 183   SilcUInt32 unescaped_data_len;
 184   int target_type;
 185
 186   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL))
 187     return;
 188
 189   if (channel) {
 190     target_type = SEND_TARGET_CHANNEL;
 191   } else {
 192     target_type = server_ischannel(SERVER(server), to) ?
 193       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 194   }
 195
 196   unescaped_data = silc_unescape_data(data, &unescaped_data_len);
 197
 198   if (target_type == SEND_TARGET_CHANNEL) {
 199     SILC_CHANNEL_REC *rec;
 200
 201     rec = silc_channel_find(server, to);
 202     if (rec == NULL || rec->entry == NULL) {
 203       cmd_return_error(CMDERR_NOT_JOINED);
 204     }
 205
 206     silc_client_send_channel_message(silc_client, server->conn, rec->entry,
 207                                      NULL, SILC_MESSAGE_FLAG_DATA |
 208                                      (sign ? SILC_MESSAGE_FLAG_SIGNED : 0),
 209                                      unescaped_data, unescaped_data_len, TRUE);
 210   } else {
 211     silc_send_msg(server, (char *)to, unescaped_data, unescaped_data_len,
 212                   SILC_MESSAGE_FLAG_DATA |
 213                   (sign ? SILC_MESSAGE_FLAG_SIGNED : 0));
 214
 215   }
 216
 217   signal_stop();
 218
 219   silc_free(unescaped_data);
 220 }
 221
 222 static int isnickflag_func(char flag)
 223 {
 224   return flag == '@' || flag == '+';
 225 }
 226
 227 static int ischannel_func(SERVER_REC *server, const char *data)
 228 {
 229   return FALSE;
 230 }
 231
 232 const char *get_nick_flags(void)
 233 {
 234   return "@\0\0";
 235 }
 236
 237 static void send_message(SILC_SERVER_REC *server, char *target,
 238                          char *msg, int target_type)
 239 {
 240   char *message = NULL;
 241   int len;
 242
 243   g_return_if_fail(server != NULL);
 244   g_return_if_fail(target != NULL);
 245   g_return_if_fail(msg != NULL);
 246
 247   if (!silc_term_utf8()) {
 248     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LANGUAGE);
 249     message = silc_calloc(len + 1, sizeof(*message));
 250     g_return_if_fail(message != NULL);
 251     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LANGUAGE, message, len);
 252   }
 253
 254   if (target_type == SEND_TARGET_CHANNEL)
 255     silc_send_channel(server, target, message ? message : msg,
 256                       SILC_MESSAGE_FLAG_UTF8);
 257   else
 258     silc_send_msg(server, target, message ? message : msg,
 259                   message ? strlen(message) : strlen(msg),
 260                   SILC_MESSAGE_FLAG_UTF8);
 261
 262   silc_free(message);
 263 }
 264
 265 void silc_send_heartbeat(SilcSocketConnection sock,
 266                          void *hb_context)
 267 {
 268   SILC_SERVER_REC *server = SILC_SERVER(hb_context);
 269
 270   if (server == NULL)
 271     return;
 272
 273   silc_client_send_packet(silc_client, server->conn, SILC_PACKET_HEARTBEAT,
 274                           NULL, 0);
 275 }
 276
 277 static void sig_connected(SILC_SERVER_REC *server)
 278 {
 279   SilcClientConnection conn;
 280   SilcClientConnectionParams params;
 281   char *file;
 282   int fd;
 283
 284   if (!IS_SILC_SERVER(server))
 285     return;
 286
 287   /* Try to read detached session data and use it if found. */
 288   memset(&params, 0, sizeof(params));
 289   file = silc_get_session_filename(server);
 290   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 291   if (params.detach_data)
 292     params.detach_data[params.detach_data_len] = 0;
 293
 294   /* Add connection to the client library */
 295   conn = silc_client_add_connection(silc_client, &params,
 296                                     server->connrec->address,
 297                                     server->connrec->port,
 298                                     server);
 299   server->conn = conn;
 300
 301   if (params.detach_data)
 302     printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
 303                         SILCTXT_REATTACH, server->tag);
 304
 305   silc_free(params.detach_data);
 306
 307   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 308
 309   /* Start key exchange with the server */
 310   silc_client_start_key_exchange(silc_client, conn, fd);
 311
 312   /* Put default attributes */
 313   silc_query_attributes_default(silc_client, conn);
 314
 315   /* initialize heartbeat sending */
 316   if (settings_get_int("heartbeat") > 0)
 317     silc_socket_set_heartbeat(conn->sock, settings_get_int("heartbeat"),
 318                                 (void *)server,
 319                                 (SilcSocketConnectionHBCb)silc_send_heartbeat,
 320                                 silc_client->schedule);
 321
 322   server->ftp_sessions = silc_dlist_init();
 323   server->isnickflag = isnickflag_func;
 324   server->ischannel = ischannel_func;
 325   server->get_nick_flags = get_nick_flags;
 326   server->send_message = (void *) send_message;
 327 }
 328
 329 static void sig_disconnected(SILC_SERVER_REC *server)
 330 {
 331   if (!IS_SILC_SERVER(server))
 332     return;
 333
 334   silc_dlist_uninit(server->ftp_sessions);
 335
 336   if (server->conn && server->conn->sock != NULL) {
 337     silc_client_close_connection(silc_client, server->conn);
 338
 339     /* SILC closes the handle */
 340     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 341     net_sendbuffer_destroy(server->handle, FALSE);
 342     server->handle = NULL;
 343   }
 344 }
 345
 346 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 347 {
 348   SILC_SERVER_REC *server;
 349
 350   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 351   if (conn->address == NULL || *conn->address == '\0')
 352     return NULL;
 353   if (conn->nick == NULL || *conn->nick == '\0') {
 354     silc_say_error("Cannot connect: nickname is not set");
 355     return NULL;
 356   }
 357
 358   server = g_new0(SILC_SERVER_REC, 1);
 359   server->chat_type = SILC_PROTOCOL;
 360   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 361   server_connect_ref(conn);
 362
 363   if (server->connrec->port <= 0)
 364     server->connrec->port = 706;
 365
 366   server_connect_init((SERVER_REC *)server);
 367   return (SERVER_REC *)server;
 368 }
 369
 370 void silc_server_connect(SERVER_REC *server)
 371 {
 372   if (!server_start_connect(server)) {
 373     server_connect_unref(server->connrec);
 374     g_free(server);
 375     return;
 376   }
 377 }
 378
 379 /* Return a string of all channels in server in server->channels_join()
 380    format */
 381
 382 char *silc_server_get_channels(SILC_SERVER_REC *server)
 383 {
 384   GSList *tmp;
 385   GString *chans;
 386   char *ret;
 387
 388   g_return_val_if_fail(server != NULL, FALSE);
 389
 390   chans = g_string_new(NULL);
 391   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 392     CHANNEL_REC *channel = tmp->data;
 393
 394     g_string_sprintfa(chans, "%s,", channel->name);
 395   }
 396
 397   if (chans->len > 0)
 398     g_string_truncate(chans, chans->len-1);
 399
 400   ret = chans->str;
 401   g_string_free(chans, FALSE);
 402
 403   return ret;
 404 }
 405
 406 /* Syntaxes of all SILC commands for HELP files (the help file generation
 407    will snoop these from here). */
 408
 409 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 410 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 411 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 412 /* SYNTAX: GETKEY <nickname or server name> */
 413 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 414 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 415 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 416 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 417 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 418 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 419 /* SYNTAX: OPER <username> [-pubkey] */
 420 /* SYNTAX: SILCOPER <username> [-pubkey] */
 421 /* SYNTAX: TOPIC <channel> [<topic>] */
 422 /* SYNTAX: UMODE +|-<modes> */
 423 /* SYNTAX: WHOIS [<nickname>[@<hostname>]] [-details] [-pubkey <pubkeyfile>] [<count>] */
 424 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 425 /* SYNTAX: CLOSE <server> [<port>] */
 426 /* SYNTAX: SHUTDOWN */
 427 /* SYNTAX: MOTD [<server>] */
 428 /* SYNTAX: LIST [<channel>] */
 429 /* SYNTAX: ME <message> */
 430 /* SYNTAX: ACTION [-sign] [-channel] <target> <message> */
 431 /* SYNTAX: AWAY [<message>] */
 432 /* SYNTAX: INFO [<server>] */
 433 /* SYNTAX: NICK <nickname> */
 434 /* SYNTAX: NOTICE [-sign] [-channel] <target> <message> */
 435 /* SYNTAX: PART [<channel>] */
 436 /* SYNTAX: PING */
 437 /* SYNTAX: SCONNECT <server> [<port>] */
 438 /* SYNTAX: USERS <channel> */
 439 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 440 /* SYNTAX: FILE ACCEPT [<nickname>] */
 441 /* SYNTAX: FILE CLOSE [<nickname>] */
 442 /* SYNTAX: FILE */
 443 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] [-auth [<pubkeyfile> <privkeyfile> [<privkey passphrase>]]]*/
 444 /* SYNTAX: DETACH */
 445 /* SYNTAX: WATCH [<-add | -del> <nickname>] */
 446 /* SYNTAX: STATS */
 447 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 448 /* SYNTAX: SMSG [<-channel>] <target> <message> */
 449 /* SYNTAX: LISTKEYS [-servers] [-clients] [<public key file>] */
 450
 451 void silc_command_exec(SILC_SERVER_REC *server,
 452                        const char *command, const char *args)
 453 {
 454   char *data;
 455   g_return_if_fail(server != NULL);
 456
 457   /* Call the command */
 458   data = g_strconcat(command, " ", args, NULL);
 459   silc_queue_command_call(silc_client, server->conn, data);
 460   g_free(data);
 461 }
 462
 463 /* Generic command function to call any SILC command directly. */
 464
 465 static void command_self(const char *data, SILC_SERVER_REC *server,
 466                          WI_ITEM_REC *item)
 467 {
 468   CMD_SILC_SERVER(server);
 469
 470   if (!IS_SILC_SERVER(server) || !server->connected) {
 471     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 472     return;
 473   }
 474
 475   if (IS_SILC_CHANNEL(item)) {
 476     SILC_CHANNEL_REC *chanrec;
 477     chanrec = silc_channel_find(server, item->visible_name);
 478     if (chanrec)
 479       server->conn->current_channel = chanrec->entry;
 480   }
 481
 482   silc_command_exec(server, current_command, data);
 483   signal_stop();
 484 }
 485
 486 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 487    has CONNECT command for other purposes. */
 488
 489 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 490 {
 491   CMD_SILC_SERVER(server);
 492   if (!IS_SILC_SERVER(server) || !server->connected) {
 493     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 494     return;
 495   }
 496
 497   silc_command_exec(server, "CONNECT", data);
 498   signal_stop();
 499 }
 500
 501 /* SMSG command, to send digitally signed messages */
 502
 503 static void command_smsg(const char *data, SILC_SERVER_REC *server,
 504                          WI_ITEM_REC *item)
 505 {
 506   GHashTable *optlist;
 507   char *target, *origtarget, *msg;
 508   void *free_arg;
 509   int free_ret, target_type;
 510
 511   g_return_if_fail(data != NULL);
 512   if (server == NULL || !server->connected)
 513     cmd_param_error(CMDERR_NOT_CONNECTED);
 514
 515   if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
 516                       PARAM_FLAG_UNKNOWN_OPTIONS | PARAM_FLAG_GETREST,
 517                       "msg", &optlist, &target, &msg))
 518     return;
 519   if (*target == '\0' || *msg == '\0')
 520     cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 521
 522   origtarget = target;
 523   free_ret = FALSE;
 524
 525   if (strcmp(target, "*") == 0) {
 526     if (item == NULL)
 527       cmd_param_error(CMDERR_NOT_JOINED);
 528
 529     target_type = IS_CHANNEL(item) ?
 530       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 531     target = (char *) window_item_get_target(item);
 532   } else if (g_hash_table_lookup(optlist, "channel") != NULL) {
 533     target_type = SEND_TARGET_CHANNEL;
 534   } else {
 535     target_type = server_ischannel(SERVER(server), target) ?
 536       SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
 537   }
 538
 539   if (target != NULL) {
 540     char *message = NULL;
 541     int len, result;
 542
 543     if (!silc_term_utf8()) {
 544       len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LANGUAGE);
 545       message = silc_calloc(len + 1, sizeof(*message));
 546       g_return_if_fail(message != NULL);
 547       silc_utf8_encode(msg, strlen(msg), SILC_STRING_LANGUAGE, message, len);
 548     }
 549
 550     if (target_type == SEND_TARGET_CHANNEL)
 551       result = silc_send_channel(server, target, message ? message : msg,
 552                                  SILC_MESSAGE_FLAG_UTF8 |
 553                                  SILC_MESSAGE_FLAG_SIGNED);
 554     else
 555       result = silc_send_msg(server, target, message ? message : msg,
 556                              message ? strlen(message) : strlen(msg),
 557                              SILC_MESSAGE_FLAG_UTF8 |
 558                              SILC_MESSAGE_FLAG_SIGNED);
 559     silc_free(message);
 560     if (!result)
 561       goto out;
 562   }
 563
 564   signal_emit(target != NULL && target_type == SEND_TARGET_CHANNEL ?
 565               "message signed_own_public" : "message signed_own_private", 4,
 566               server, msg, target, origtarget);
 567 out:
 568   if (free_ret && target != NULL) g_free(target);
 569   cmd_params_free(free_arg);
 570 }
 571
 572 /* FILE command */
 573
 574 SILC_TASK_CALLBACK(silc_client_file_close_later)
 575 {
 576   FtpSession ftp = (FtpSession)context;
 577
 578   SILC_LOG_DEBUG(("Start"));
 579
 580   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 581   silc_free(ftp->filepath);
 582   silc_free(ftp);
 583 }
 584
 585 static void silc_client_file_monitor(SilcClient client,
 586                                      SilcClientConnection conn,
 587                                      SilcClientMonitorStatus status,
 588                                      SilcClientFileError error,
 589                                      SilcUInt64 offset,
 590                                      SilcUInt64 filesize,
 591                                      SilcClientEntry client_entry,
 592                                      SilcUInt32 session_id,
 593                                      const char *filepath,
 594                                      void *context)
 595 {
 596   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 597   FtpSession ftp;
 598   char fsize[32];
 599
 600   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 601
 602   silc_dlist_start(server->ftp_sessions);
 603   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 604     if (ftp->session_id == session_id) {
 605       if (!ftp->filepath && filepath)
 606         ftp->filepath = strdup(filepath);
 607       break;
 608     }
 609   }
 610
 611   if (ftp == SILC_LIST_END)
 612     return;
 613
 614   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 615     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 616       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 617                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 618                          client_entry->nickname,
 619                          filepath ? filepath : "[N/A]");
 620     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 621       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 622                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 623                          client_entry->nickname);
 624     else
 625       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 626                          SILCTXT_FILE_ERROR, client_entry->nickname);
 627     silc_schedule_task_add(silc_client->schedule, 0,
 628                            silc_client_file_close_later, ftp,
 629                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 630     silc_dlist_del(server->ftp_sessions, ftp);
 631     if (ftp == server->current_session) {
 632       server->current_session = NULL;
 633       silc_dlist_start(server->ftp_sessions);
 634       server->current_session = silc_dlist_get(server->ftp_sessions);
 635     }
 636   }
 637
 638   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 639     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 640                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 641   }
 642
 643   /* Save some transmission data */
 644   if (offset && filesize) {
 645     unsigned long delta = time(NULL) - ftp->starttime;
 646
 647     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 648     if (delta)
 649       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 650     else
 651       ftp->kps = (double)(offset + 1023) / (double)1024;
 652     ftp->offset = offset;
 653     ftp->filesize = filesize;
 654   }
 655
 656   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 657     if (offset == 0) {
 658       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 659                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 660                          client_entry->nickname);
 661       ftp->starttime = time(NULL);
 662     }
 663     if (offset == filesize) {
 664       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 665                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 666                          client_entry->nickname, ftp->kps);
 667       silc_schedule_task_add(silc_client->schedule, 0,
 668                              silc_client_file_close_later, ftp,
 669                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 670       silc_dlist_del(server->ftp_sessions, ftp);
 671       if (ftp == server->current_session) {
 672         server->current_session = NULL;
 673         silc_dlist_start(server->ftp_sessions);
 674         server->current_session = silc_dlist_get(server->ftp_sessions);
 675       }
 676
 677     }
 678   }
 679
 680   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 681     if (offset == 0) {
 682       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 683                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 684                          client_entry->nickname);
 685       ftp->starttime = time(NULL);
 686     }
 687
 688     if (offset == filesize) {
 689       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 690                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 691                          client_entry->nickname, ftp->kps);
 692       silc_schedule_task_add(silc_client->schedule, 0,
 693                              silc_client_file_close_later, ftp,
 694                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 695       silc_dlist_del(server->ftp_sessions, ftp);
 696       if (ftp == server->current_session) {
 697         server->current_session = NULL;
 698         silc_dlist_start(server->ftp_sessions);
 699         server->current_session = silc_dlist_get(server->ftp_sessions);
 700       }
 701
 702     }
 703   }
 704 }
 705
 706 typedef struct {
 707   SILC_SERVER_REC *server;
 708   char *data;
 709   char *nick;
 710   WI_ITEM_REC *item;
 711 } *FileGetClients;
 712
 713 static void silc_client_command_file_get_clients(SilcClient client,
 714                                                  SilcClientConnection conn,
 715                                                  SilcClientEntry *clients,
 716                                                  SilcUInt32 clients_count,
 717                                                  void *context)
 718 {
 719   FileGetClients internal = (FileGetClients)context;
 720
 721   if (!clients) {
 722     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 723               internal->nick);
 724     silc_free(internal->data);
 725     silc_free(internal->nick);
 726     silc_free(internal);
 727     return;
 728   }
 729
 730   signal_emit("command file", 3, internal->data, internal->server,
 731               internal->item);
 732
 733   silc_free(internal->data);
 734   silc_free(internal->nick);
 735   silc_free(internal);
 736 }
 737
 738 static void command_file(const char *data, SILC_SERVER_REC *server,
 739                          WI_ITEM_REC *item)
 740 {
 741   SilcClientConnection conn;
 742   SilcClientEntry *entrys, client_entry;
 743   SilcClientFileError ret;
 744   SilcUInt32 entry_count;
 745   char *nickname = NULL, *tmp;
 746   unsigned char **argv;
 747   SilcUInt32 argc;
 748   SilcUInt32 *argv_lens, *argv_types;
 749   int type = 0;
 750   FtpSession ftp;
 751   char *local_ip = NULL;
 752   SilcUInt32 local_port = 0;
 753   SilcUInt32 session_id;
 754   bool do_not_bind = FALSE;
 755
 756   CMD_SILC_SERVER(server);
 757   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 758     cmd_return_error(CMDERR_NOT_CONNECTED);
 759
 760   conn = server->conn;
 761
 762   /* Now parse all arguments */
 763   tmp = g_strconcat("FILE", " ", data, NULL);
 764   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 765   g_free(tmp);
 766
 767   if (argc == 1)
 768     type = 4;
 769
 770   if (argc >= 2) {
 771     if (!strcasecmp(argv[1], "send"))
 772       type = 1;
 773     if (!strcasecmp(argv[1], "accept"))
 774       type = 2;
 775     if (!strcasecmp(argv[1], "close"))
 776       type = 3;
 777   }
 778
 779   if (type == 0)
 780     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 781
 782   switch (type) {
 783   case 1:
 784     if (argc < 4)
 785       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 786
 787     /* Parse the typed nickname. */
 788     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 789       printformat_module("fe-common/silc", server, NULL,
 790                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 791       goto out;
 792     }
 793
 794     /* Find client entry */
 795     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 796                                            argv[3], &entry_count);
 797     if (!entrys) {
 798       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 799       inter->server = server;
 800       inter->data = strdup(data);
 801       inter->nick = strdup(nickname);
 802       inter->item = item;
 803       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 804                               silc_client_command_file_get_clients, inter);
 805       goto out;
 806     }
 807     client_entry = entrys[0];
 808     silc_free(entrys);
 809
 810     if (argc >= 5) {
 811       if (!strcasecmp(argv[4], "-no-listener"))
 812         do_not_bind = TRUE;
 813       else
 814         local_ip = argv[4];
 815     }
 816     if (argc >= 6) {
 817       if (!strcasecmp(argv[5], "-no-listener"))
 818         do_not_bind = TRUE;
 819       else
 820         local_port = atoi(argv[5]);
 821     }
 822     if (argc >= 7) {
 823       if (!strcasecmp(argv[6], "-no-listener"))
 824         do_not_bind = TRUE;
 825     }
 826
 827     ret =
 828       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 829                             server, local_ip, local_port, do_not_bind,
 830                             client_entry, argv[2], &session_id);
 831     if (ret == SILC_CLIENT_FILE_OK) {
 832       ftp = silc_calloc(1, sizeof(*ftp));
 833       ftp->session_id = session_id;
 834
 835       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 836                          SILCTXT_FILE_SEND, client_entry->nickname,
 837                          argv[2]);
 838
 839       ftp->client_entry = client_entry;
 840       ftp->filepath = strdup(argv[2]);
 841       ftp->conn = conn;
 842       ftp->send = TRUE;
 843       silc_dlist_add(server->ftp_sessions, ftp);
 844       server->current_session = ftp;
 845     } else {
 846       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 847         printformat_module("fe-common/silc", server, NULL,
 848                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 849                            client_entry->nickname);
 850       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 851         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 852                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 853                            client_entry->nickname, argv[2]);
 854     }
 855
 856     break;
 857
 858   case 2:
 859     /* Parse the typed nickname. */
 860     if (argc >= 3) {
 861       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 862         printformat_module("fe-common/silc", server, NULL,
 863                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 864         goto out;
 865       }
 866
 867       /* Find client entry */
 868       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 869                                              argv[2], &entry_count);
 870       if (!entrys) {
 871         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 872         inter->server = server;
 873         inter->data = strdup(data);
 874         inter->nick = strdup(nickname);
 875         inter->item = item;
 876         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 877                                 silc_client_command_file_get_clients, inter);
 878         goto out;
 879       }
 880       client_entry = entrys[0];
 881       silc_free(entrys);
 882     } else {
 883       if (!server->current_session) {
 884         printformat_module("fe-common/silc", server, NULL,
 885                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 886         goto out;
 887       }
 888
 889       ret = silc_client_file_receive(silc_client, conn,
 890                                      silc_client_file_monitor, server, NULL,
 891                                      server->current_session->session_id);
 892       if (ret != SILC_CLIENT_FILE_OK) {
 893         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 894           printformat_module("fe-common/silc", server, NULL,
 895                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 896                              server->current_session->client_entry->nickname);
 897         else {
 898           printformat_module("fe-common/silc", server, NULL,
 899                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 900                              server->current_session->client_entry->nickname);
 901
 902           silc_client_file_close(silc_client, conn,
 903                                  server->current_session->session_id);
 904           silc_dlist_del(server->ftp_sessions, server->current_session);
 905           silc_free(server->current_session->filepath);
 906           silc_free(server->current_session);
 907           server->current_session = NULL;
 908
 909           silc_dlist_start(server->ftp_sessions);
 910           server->current_session = silc_dlist_get(server->ftp_sessions);
 911         }
 912       }
 913
 914       goto out;
 915     }
 916
 917     silc_dlist_start(server->ftp_sessions);
 918     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 919       if (ftp->client_entry == client_entry && !ftp->filepath) {
 920         ret = silc_client_file_receive(silc_client, conn,
 921                                        silc_client_file_monitor, server,
 922                                        NULL, ftp->session_id);
 923         if (ret != SILC_CLIENT_FILE_OK) {
 924           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 925             printformat_module("fe-common/silc", server, NULL,
 926                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 927                                client_entry->nickname);
 928           else {
 929             printformat_module("fe-common/silc", server, NULL,
 930                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 931                                client_entry->nickname);
 932             silc_client_file_close(silc_client, conn, ftp->session_id);
 933             silc_dlist_del(server->ftp_sessions, ftp);
 934             if (ftp == server->current_session) {
 935               server->current_session = NULL;
 936               silc_dlist_start(server->ftp_sessions);
 937               server->current_session = silc_dlist_get(server->ftp_sessions);
 938             }
 939             silc_free(ftp->filepath);
 940             silc_free(ftp);
 941           }
 942         }
 943         break;
 944       }
 945     }
 946
 947     if (ftp == SILC_LIST_END) {
 948       printformat_module("fe-common/silc", server, NULL,
 949                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 950                          client_entry->nickname);
 951       goto out;
 952     }
 953     break;
 954
 955   case 3:
 956     /* Parse the typed nickname. */
 957     if (argc >= 3) {
 958       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 959         printformat_module("fe-common/silc", server, NULL,
 960                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 961         goto out;
 962       }
 963
 964       /* Find client entry */
 965       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 966                                              argv[2], &entry_count);
 967       if (!entrys) {
 968         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 969         inter->server = server;
 970         inter->data = strdup(data);
 971         inter->nick = strdup(nickname);
 972         inter->item = item;
 973         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 974                                 silc_client_command_file_get_clients, inter);
 975         goto out;
 976       }
 977       client_entry = entrys[0];
 978       silc_free(entrys);
 979     } else {
 980       if (!server->current_session) {
 981         printformat_module("fe-common/silc", server, NULL,
 982                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 983         goto out;
 984       }
 985
 986       silc_client_file_close(silc_client, conn,
 987                              server->current_session->session_id);
 988       printformat_module("fe-common/silc", server, NULL,
 989                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 990                          server->current_session->client_entry->nickname,
 991                          server->current_session->filepath ?
 992                          server->current_session->filepath : "[N/A]");
 993       silc_dlist_del(server->ftp_sessions, server->current_session);
 994       silc_free(server->current_session->filepath);
 995       silc_free(server->current_session);
 996       server->current_session = NULL;
 997
 998       silc_dlist_start(server->ftp_sessions);
 999       server->current_session = silc_dlist_get(server->ftp_sessions);
1000       goto out;
1001     }
1002
1003     silc_dlist_start(server->ftp_sessions);
1004     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1005       if (ftp->client_entry == client_entry) {
1006         silc_client_file_close(silc_client, conn, ftp->session_id);
1007         printformat_module("fe-common/silc", server, NULL,
1008                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
1009                            client_entry->nickname,
1010                            ftp->filepath ? ftp->filepath : "[N/A]");
1011         silc_dlist_del(server->ftp_sessions, ftp);
1012         if (ftp == server->current_session) {
1013           server->current_session = NULL;
1014           silc_dlist_start(server->ftp_sessions);
1015           server->current_session = silc_dlist_get(server->ftp_sessions);
1016         }
1017         silc_free(ftp->filepath);
1018         silc_free(ftp);
1019         break;
1020       }
1021     }
1022
1023     if (ftp == SILC_LIST_END) {
1024       printformat_module("fe-common/silc", server, NULL,
1025                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
1026                          client_entry->nickname);
1027       goto out;
1028     }
1029     break;
1030
1031   case 4:
1032
1033     if (!silc_dlist_count(server->ftp_sessions)) {
1034       printformat_module("fe-common/silc", server, NULL,
1035                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
1036       goto out;
1037     }
1038
1039     printformat_module("fe-common/silc", server, NULL,
1040                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
1041
1042     silc_dlist_start(server->ftp_sessions);
1043     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1044       printformat_module("fe-common/silc", server, NULL,
1045                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
1046                          ftp->client_entry->nickname,
1047                          ftp->session_id,
1048                          ftp->send ? "send" : "receive",
1049                          (SilcUInt32)(ftp->offset + 1023) / 1024,
1050                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
1051                          ftp->percent, ftp->kps,
1052                          ftp->filepath ? ftp->filepath : "[N/A]");
1053     }
1054
1055     break;
1056
1057   default:
1058     break;
1059   }
1060
1061  out:
1062   silc_free(nickname);
1063 }
1064
1065 void silc_server_init(void)
1066 {
1067   silc_servers_reconnect_init();
1068
1069   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
1070   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1071   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
1072   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
1073   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
1074   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1075   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
1076   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1077   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1078   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
1079   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
1080   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
1081   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1082   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
1083   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
1084   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
1085   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
1086   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
1087   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
1088   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
1089   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
1090   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
1091   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
1092   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
1093   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
1094   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
1095   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
1096   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1097   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1098   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1099   command_bind_silc("smsg", MODULE_NAME, (SIGNAL_FUNC) command_smsg);
1100
1101   command_set_options("connect", "+silcnet");
1102 }
1103
1104 void silc_server_deinit(void)
1105 {
1106   silc_servers_reconnect_deinit();
1107
1108   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1109   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1110   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1111   command_unbind("whois", (SIGNAL_FUNC) command_self);
1112   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1113   command_unbind("nick", (SIGNAL_FUNC) command_self);
1114   command_unbind("topic", (SIGNAL_FUNC) command_self);
1115   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1116   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1117   command_unbind("users", (SIGNAL_FUNC) command_self);
1118   command_unbind("list", (SIGNAL_FUNC) command_self);
1119   command_unbind("oper", (SIGNAL_FUNC) command_self);
1120   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1121   command_unbind("umode", (SIGNAL_FUNC) command_self);
1122   command_unbind("invite", (SIGNAL_FUNC) command_self);
1123   command_unbind("kill", (SIGNAL_FUNC) command_self);
1124   command_unbind("kick", (SIGNAL_FUNC) command_self);
1125   command_unbind("info", (SIGNAL_FUNC) command_self);
1126   command_unbind("ping", (SIGNAL_FUNC) command_self);
1127   command_unbind("motd", (SIGNAL_FUNC) command_self);
1128   command_unbind("ban", (SIGNAL_FUNC) command_self);
1129   command_unbind("close", (SIGNAL_FUNC) command_self);
1130   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1131   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1132   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1133   command_unbind("file", (SIGNAL_FUNC) command_file);
1134   command_unbind("detach", (SIGNAL_FUNC) command_self);
1135   command_unbind("watch", (SIGNAL_FUNC) command_self);
1136   command_unbind("stats", (SIGNAL_FUNC) command_self);
1137   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1138   command_unbind("smsg", (SIGNAL_FUNC) command_smsg);
1139 }
1140
1141 void silc_server_free_ftp(SILC_SERVER_REC *server,
1142                           SilcClientEntry client_entry)
1143 {
1144   FtpSession ftp;
1145
1146   silc_dlist_start(server->ftp_sessions);
1147   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1148     if (ftp->client_entry == client_entry) {
1149       silc_dlist_del(server->ftp_sessions, ftp);
1150       silc_free(ftp->filepath);
1151       silc_free(ftp);
1152     }
1153   }
1154 }
1155
1156 bool silc_term_utf8(void)
1157 {
1158   const char *str;
1159   str = settings_get_str("term_type");
1160   if (str)
1161     if (g_strcasecmp(str, "utf-8") == 0)
1162       return TRUE;
1163   return FALSE;
1164 }