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