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

   1 /*
   2   silc-server.c : irssi
   3
   4   Copyright (C) 2000 - 2001 Timo Sirainen
   5                             Pekka Riikonen <priikone@poseidon.pspt.fi>
   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 "silc-servers.h"
  38 #include "silc-channels.h"
  39 #include "silc-queries.h"
  40 #include "silc-nicklist.h"
  41 #include "window-item-def.h"
  42
  43 #include "fe-common/core/printtext.h"
  44 #include "fe-common/core/fe-channels.h"
  45 #include "fe-common/core/keyboard.h"
  46 #include "fe-common/silc/module-formats.h"
  47
  48 #include "silc-commands.h"
  49
  50 void silc_servers_reconnect_init(void);
  51 void silc_servers_reconnect_deinit(void);
  52
  53 static void silc_send_channel(SILC_SERVER_REC *server,
  54                               char *channel, char *msg)
  55 {
  56   SILC_CHANNEL_REC *rec;
  57
  58   rec = silc_channel_find(server, channel);
  59   if (rec == NULL || rec->entry == NULL) {
  60     cmd_return_error(CMDERR_NOT_JOINED);
  61     return;
  62   }
  63
  64   silc_client_send_channel_message(silc_client, server->conn, rec->entry,
  65                                    NULL, SILC_MESSAGE_FLAG_UTF8,
  66                                    msg, strlen(msg), TRUE);
  67 }
  68
  69 typedef struct {
  70   char *nick;
  71   char *msg;
  72   int len;
  73   SilcMessageFlags flags;
  74   SILC_SERVER_REC *server;
  75 } PRIVMSG_REC;
  76
  77 /* Callback function that sends the private message if the client was
  78    resolved from the server. */
  79
  80 static void silc_send_msg_clients(SilcClient client,
  81                                   SilcClientConnection conn,
  82                                   SilcClientEntry *clients,
  83                                   SilcUInt32 clients_count,
  84                                   void *context)
  85 {
  86   PRIVMSG_REC *rec = context;
  87   SILC_SERVER_REC *server = rec->server;
  88   SilcClientEntry target;
  89   char *nickname = NULL;
  90
  91   if (!clients_count) {
  92     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  93               "%s: There is no such client", rec->nick);
  94   } else {
  95     if (clients_count > 1) {
  96       silc_parse_userfqdn(rec->nick, &nickname, NULL);
  97
  98       /* Find the correct one. The rec->nick might be a formatted nick
  99          so this will find the correct one. */
 100       clients = silc_client_get_clients_local(silc_client, server->conn,
 101                                               nickname, rec->nick,
 102                                               &clients_count);
 103       if (!clients) {
 104         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 105                   "%s: There is no such client", rec->nick);
 106         silc_free(nickname);
 107         goto out;
 108       }
 109       silc_free(nickname);
 110     }
 111
 112     target = clients[0];
 113
 114     /* Still check for exact math for nickname, this compares the
 115        real (formatted) nickname and the nick (maybe formatted) that
 116        use gave. This is to assure that `nick' does not match
 117        `nick@host'. */
 118     if (strcasecmp(rec->nick, clients[0]->nickname)) {
 119       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 120                 "%s: There is no such client", rec->nick);
 121       goto out;
 122     }
 123
 124     /* Send the private message */
 125     silc_client_send_private_message(client, conn, target,
 126                                      rec->flags,
 127                                      rec->msg, rec->len,
 128                                      TRUE);
 129   }
 130
 131  out:
 132   g_free(rec->nick);
 133   g_free(rec->msg);
 134   g_free(rec);
 135 }
 136
 137 static void silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg,
 138                         int msg_len, SilcMessageFlags flags)
 139 {
 140   PRIVMSG_REC *rec;
 141   SilcClientEntry *clients;
 142   SilcUInt32 clients_count;
 143   char *nickname = NULL;
 144
 145   if (!silc_parse_userfqdn(nick, &nickname, NULL)) {
 146     printformat_module("fe-common/silc", server, NULL,
 147                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 148     return;
 149   }
 150
 151   /* Find client entry */
 152   clients = silc_client_get_clients_local(silc_client, server->conn,
 153                                           nickname, nick, &clients_count);
 154   if (!clients) {
 155     rec = g_new0(PRIVMSG_REC, 1);
 156     rec->nick = g_strdup(nick);
 157     rec->msg = g_strdup(msg);
 158     rec->server = server;
 159     rec->flags = flags;
 160     rec->len = msg_len;
 161
 162     /* Could not find client with that nick, resolve it from server. */
 163     silc_client_get_clients(silc_client, server->conn,
 164                             nickname, NULL, silc_send_msg_clients, rec);
 165     silc_free(nickname);
 166     return;
 167   }
 168
 169   /* Send the private message directly */
 170   silc_free(nickname);
 171   silc_client_send_private_message(silc_client, server->conn,
 172                                    clients[0], flags,
 173                                    msg, msg_len, TRUE);
 174 }
 175
 176 void silc_send_mime(SILC_SERVER_REC *server, WI_ITEM_REC *to,
 177                     const char *data, int data_len,
 178                     const char *enc, const char *type)
 179 {
 180   SILC_CHANNEL_REC *channel;
 181   QUERY_REC *query;
 182   char *mime_data;
 183   int mime_data_len;
 184
 185   if (!(IS_SILC_SERVER(server)) || (data == NULL) || (to == NULL) ||
 186       (enc == NULL) || (type == NULL))
 187     return;
 188
 189 #define SILC_MIME_HEADER "MIME-Version: 1.0\r\nContent-Type: %s\r\nContent-Transfer-Encoding: %s\r\n\r\n"
 190
 191   mime_data_len = data_len + strlen(SILC_MIME_HEADER) - 4
 192     + strlen(enc) + strlen(type);
 193   if (mime_data_len >= SILC_PACKET_MAX_LEN)
 194     return;
 195
 196   /* we risk to large packets here... */
 197   mime_data = silc_calloc(mime_data_len, sizeof(*mime_data));
 198   snprintf(mime_data, mime_data_len, SILC_MIME_HEADER, type, enc);
 199   memmove(mime_data + strlen(SILC_MIME_HEADER) - 4 + strlen(enc) + strlen(type),
 200           data, data_len);
 201
 202 #undef SILC_MIME_HEADER
 203
 204   if (IS_SILC_CHANNEL(to)) {
 205     channel = SILC_CHANNEL(to);
 206     silc_client_send_channel_message(silc_client, server->conn, channel->entry,
 207                                      NULL, SILC_MESSAGE_FLAG_DATA,
 208                                      mime_data, mime_data_len, TRUE);
 209   } else if (IS_SILC_QUERY(to)) {
 210     query = SILC_QUERY(to);
 211     silc_send_msg(server, query->name, mime_data, mime_data_len,
 212                   SILC_MESSAGE_FLAG_DATA);
 213
 214   }
 215
 216   silc_free(mime_data);
 217 }
 218
 219 static int isnickflag_func(char flag)
 220 {
 221   return flag == '@' || flag == '+';
 222 }
 223
 224 static int ischannel_func(SERVER_REC *server, const char *data)
 225 {
 226   return FALSE;
 227 }
 228
 229 const char *get_nick_flags(void)
 230 {
 231   return "@\0\0";
 232 }
 233
 234 static void send_message(SILC_SERVER_REC *server, char *target,
 235                          char *msg, int target_type)
 236 {
 237   char *message = NULL;
 238   int len;
 239
 240   g_return_if_fail(server != NULL);
 241   g_return_if_fail(target != NULL);
 242   g_return_if_fail(msg != NULL);
 243
 244   if (!silc_term_utf8()) {
 245     len = silc_utf8_encoded_len(msg, strlen(msg), SILC_STRING_LANGUAGE);
 246     message = silc_calloc(len + 1, sizeof(*message));
 247     g_return_if_fail(message != NULL);
 248     silc_utf8_encode(msg, strlen(msg), SILC_STRING_LANGUAGE, message, len);
 249   }
 250
 251   if (target_type == SEND_TARGET_CHANNEL)
 252     silc_send_channel(server, target, message ? message : msg);
 253   else
 254     silc_send_msg(server, target, message ? message : msg,
 255                   message ? strlen(message) : strlen(msg),
 256                   SILC_MESSAGE_FLAG_UTF8);
 257
 258   silc_free(message);
 259 }
 260
 261 static void sig_connected(SILC_SERVER_REC *server)
 262 {
 263   SilcClientConnection conn;
 264   SilcClientConnectionParams params;
 265   char file[256];
 266   int fd;
 267
 268   if (!IS_SILC_SERVER(server))
 269     return;
 270
 271   /* Try to read detached session data and use it if found. */
 272   memset(&params, 0, sizeof(params));
 273   memset(file, 0, sizeof(file));
 274   snprintf(file, sizeof(file) - 1, "%s/session", get_irssi_dir());
 275   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 276
 277   /* Add connection to the client library */
 278   conn = silc_client_add_connection(silc_client, &params,
 279                                     server->connrec->address,
 280                                     server->connrec->port,
 281                                     server);
 282   server->conn = conn;
 283
 284   if (params.detach_data)
 285     keyboard_entry_redirect(NULL,
 286                             "-- Resuming old session, may take a while ...",
 287                             ENTRY_REDIRECT_FLAG_HIDDEN, server);
 288
 289   silc_free(params.detach_data);
 290   unlink(file);
 291
 292   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 293
 294   /* Start key exchange with the server */
 295   silc_client_start_key_exchange(silc_client, conn, fd);
 296
 297   server->ftp_sessions = silc_dlist_init();
 298   server->isnickflag = isnickflag_func;
 299   server->ischannel = ischannel_func;
 300   server->get_nick_flags = get_nick_flags;
 301   server->send_message = (void *) send_message;
 302 }
 303
 304 static void sig_disconnected(SILC_SERVER_REC *server)
 305 {
 306   if (!IS_SILC_SERVER(server))
 307     return;
 308
 309   silc_dlist_uninit(server->ftp_sessions);
 310
 311   if (server->conn && server->conn->sock != NULL) {
 312     silc_client_close_connection(silc_client, server->conn);
 313
 314     /* SILC closes the handle */
 315     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 316     net_sendbuffer_destroy(server->handle, FALSE);
 317     server->handle = NULL;
 318   }
 319 }
 320
 321 SILC_SERVER_REC *silc_server_connect(SILC_SERVER_CONNECT_REC *conn){
 322   SILC_SERVER_REC *server;
 323
 324   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 325   if (conn->address == NULL || *conn->address == '\0')
 326     return NULL;
 327   if (conn->nick == NULL || *conn->nick == '\0') {
 328     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 329               "Cannot connect: nickname is not set");
 330     return NULL;
 331   }
 332
 333   server = g_new0(SILC_SERVER_REC, 1);
 334   server->chat_type = SILC_PROTOCOL;
 335   server->connrec = conn;
 336   if (server->connrec->port <= 0)
 337     server->connrec->port = 706;
 338
 339   server_connect_ref(SERVER_CONNECT(conn));
 340
 341   if (!server_start_connect((SERVER_REC *) server)) {
 342     server_connect_unref(SERVER_CONNECT(conn));
 343     g_free(server);
 344     return NULL;
 345   }
 346
 347   return server;
 348 }
 349
 350 /* Return a string of all channels in server in server->channels_join()
 351    format */
 352
 353 char *silc_server_get_channels(SILC_SERVER_REC *server)
 354 {
 355   GSList *tmp;
 356   GString *chans;
 357   char *ret;
 358
 359   g_return_val_if_fail(server != NULL, FALSE);
 360
 361   chans = g_string_new(NULL);
 362   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 363     CHANNEL_REC *channel = tmp->data;
 364
 365     g_string_sprintfa(chans, "%s,", channel->name);
 366   }
 367
 368   if (chans->len > 0)
 369     g_string_truncate(chans, chans->len-1);
 370
 371   ret = chans->str;
 372   g_string_free(chans, FALSE);
 373
 374   return ret;
 375 }
 376
 377 /* Syntaxes of all SILC commands for HELP files (the help file generation
 378    will snoop these from here). */
 379
 380 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 381 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 382 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 383 /* SYNTAX: GETKEY <nickname or server name> */
 384 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 385 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 386 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 387 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 388 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 389 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] */
 390 /* SYNTAX: OPER <username> [-pubkey] */
 391 /* SYNTAX: SILCOPER <username> [-pubkey] */
 392 /* SYNTAX: TOPIC <channel> [<topic>] */
 393 /* SYNTAX: UMODE +|-<modes> */
 394 /* SYNTAX: WHOIS <nickname>[@<hostname>] [-details] [<count>] */
 395 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 396 /* SYNTAX: CLOSE <server> [<port>] */
 397 /* SYNTAX: SHUTDOWN */
 398 /* SYNTAX: MOTD [<server>] */
 399 /* SYNTAX: LIST [<channel>] */
 400 /* SYNTAX: ME <message> */
 401 /* SYNTAX: ACTION <channel> <message> */
 402 /* SYNTAX: AWAY [<message>] */
 403 /* SYNTAX: INFO [<server>] */
 404 /* SYNTAX: NICK <nickname> */
 405 /* SYNTAX: NOTICE <message> */
 406 /* SYNTAX: PART [<channel>] */
 407 /* SYNTAX: PING */
 408 /* SYNTAX: SCONNECT <server> [<port>] */
 409 /* SYNTAX: USERS <channel> */
 410 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] */
 411 /* SYNTAX: FILE RECEIVE [<nickname>] */
 412 /* SYNTAX: FILE CLOSE [<nickname>] */
 413 /* SYNTAX: FILE */
 414 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] */
 415 /* SYNTAX: DETACH */
 416 /* SYNTAX: WATCH [<-add | -del> <nickname>] */
 417 /* SYNTAX: STATS */
 418
 419 void silc_command_exec(SILC_SERVER_REC *server,
 420                        const char *command, const char *args)
 421 {
 422   SilcUInt32 argc = 0;
 423   unsigned char **argv;
 424   SilcUInt32 *argv_lens, *argv_types;
 425   char *data, *tmpcmd;
 426   SilcClientCommand cmd;
 427   SilcClientCommandContext ctx;
 428
 429   g_return_if_fail(server != NULL);
 430
 431   tmpcmd = g_strdup(command);
 432   g_strup(tmpcmd);
 433   cmd = silc_client_command_find(silc_client, tmpcmd);
 434   g_free(tmpcmd);
 435   if (cmd == NULL)
 436     return;
 437
 438   /* Now parse all arguments */
 439   data = g_strconcat(command, " ", args, NULL);
 440   silc_parse_command_line(data, &argv, &argv_lens,
 441                           &argv_types, &argc, cmd->max_args);
 442   g_free(data);
 443
 444   /* Allocate command context. This and its internals must be free'd
 445      by the command routine receiving it. */
 446   ctx = silc_client_command_alloc();
 447   ctx->client = silc_client;
 448   ctx->conn = server->conn;
 449   ctx->command = cmd;
 450   ctx->argc = argc;
 451   ctx->argv = argv;
 452   ctx->argv_lens = argv_lens;
 453   ctx->argv_types = argv_types;
 454
 455   /* Execute command */
 456   silc_client_command_call(cmd, ctx);
 457 }
 458
 459 /* Generic command function to call any SILC command directly. */
 460
 461 static void command_self(const char *data, SILC_SERVER_REC *server,
 462                          WI_ITEM_REC *item)
 463 {
 464   CMD_SILC_SERVER(server);
 465
 466   if (!IS_SILC_SERVER(server) || !server->connected) {
 467     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 468     return;
 469   }
 470
 471   if (IS_SILC_CHANNEL(item)) {
 472     SILC_CHANNEL_REC *chanrec;
 473     chanrec = silc_channel_find(server, item->name);
 474     if (chanrec)
 475       server->conn->current_channel = chanrec->entry;
 476   }
 477
 478   silc_command_exec(server, current_command, data);
 479   signal_stop();
 480 }
 481
 482 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 483    has CONNECT command for other purposes. */
 484
 485 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 486 {
 487   CMD_SILC_SERVER(server);
 488   if (!IS_SILC_SERVER(server) || !server->connected) {
 489     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 490     return;
 491   }
 492
 493   silc_command_exec(server, "CONNECT", data);
 494   signal_stop();
 495 }
 496
 497 /* FILE command */
 498
 499 SILC_TASK_CALLBACK(silc_client_file_close_later)
 500 {
 501   FtpSession ftp = (FtpSession)context;
 502
 503   SILC_LOG_DEBUG(("Start"));
 504
 505   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 506   silc_free(ftp->filepath);
 507   silc_free(ftp);
 508 }
 509
 510 static void silc_client_file_monitor(SilcClient client,
 511                                      SilcClientConnection conn,
 512                                      SilcClientMonitorStatus status,
 513                                      SilcClientFileError error,
 514                                      SilcUInt64 offset,
 515                                      SilcUInt64 filesize,
 516                                      SilcClientEntry client_entry,
 517                                      SilcUInt32 session_id,
 518                                      const char *filepath,
 519                                      void *context)
 520 {
 521   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 522   FtpSession ftp;
 523   char fsize[32];
 524
 525   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 526
 527   silc_dlist_start(server->ftp_sessions);
 528   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 529     if (ftp->session_id == session_id) {
 530       if (!ftp->filepath && filepath)
 531         ftp->filepath = strdup(filepath);
 532       break;
 533     }
 534   }
 535
 536   if (ftp == SILC_LIST_END)
 537     return;
 538
 539   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 540     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 541       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 542                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 543                          client_entry->nickname,
 544                          filepath ? filepath : "[N/A]");
 545     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 546       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 547                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 548                          client_entry->nickname);
 549     else
 550       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 551                          SILCTXT_FILE_ERROR, client_entry->nickname);
 552     silc_schedule_task_add(silc_client->schedule, 0,
 553                            silc_client_file_close_later, ftp,
 554                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 555     if (ftp == server->current_session)
 556       server->current_session = NULL;
 557     silc_dlist_del(server->ftp_sessions, ftp);
 558   }
 559
 560   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 561     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 562                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 563   }
 564
 565   /* Save some transmission data */
 566   if (offset && filesize) {
 567     unsigned long delta = time(NULL) - ftp->starttime;
 568
 569     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 570     if (delta)
 571       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 572     else
 573       ftp->kps = (double)(offset + 1023) / (double)1024;
 574     ftp->offset = offset;
 575     ftp->filesize = filesize;
 576   }
 577
 578   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 579     if (offset == 0) {
 580       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 581                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 582                          client_entry->nickname);
 583       ftp->starttime = time(NULL);
 584     }
 585     if (offset == filesize) {
 586       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 587                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 588                          client_entry->nickname, ftp->kps);
 589       silc_schedule_task_add(silc_client->schedule, 0,
 590                              silc_client_file_close_later, ftp,
 591                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 592       if (ftp == server->current_session)
 593         server->current_session = NULL;
 594       silc_dlist_del(server->ftp_sessions, ftp);
 595     }
 596   }
 597
 598   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 599     if (offset == 0) {
 600       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 601                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 602                          client_entry->nickname);
 603       ftp->starttime = time(NULL);
 604     }
 605
 606     if (offset == filesize) {
 607       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 608                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 609                          client_entry->nickname, ftp->kps);
 610       silc_schedule_task_add(silc_client->schedule, 0,
 611                              silc_client_file_close_later, ftp,
 612                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 613       if (ftp == server->current_session)
 614         server->current_session = NULL;
 615       silc_dlist_del(server->ftp_sessions, ftp);
 616     }
 617   }
 618 }
 619
 620 typedef struct {
 621   SILC_SERVER_REC *server;
 622   char *data;
 623   char *nick;
 624   WI_ITEM_REC *item;
 625 } *FileGetClients;
 626
 627 static void silc_client_command_file_get_clients(SilcClient client,
 628                                                  SilcClientConnection conn,
 629                                                  SilcClientEntry *clients,
 630                                                  SilcUInt32 clients_count,
 631                                                  void *context)
 632 {
 633   FileGetClients internal = (FileGetClients)context;
 634
 635   if (!clients) {
 636     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 637               internal->nick);
 638     silc_free(internal->data);
 639     silc_free(internal->nick);
 640     silc_free(internal);
 641     return;
 642   }
 643
 644   signal_emit("command file", 3, internal->data, internal->server,
 645               internal->item);
 646
 647   silc_free(internal->data);
 648   silc_free(internal->nick);
 649   silc_free(internal);
 650 }
 651
 652 static void command_file(const char *data, SILC_SERVER_REC *server,
 653                          WI_ITEM_REC *item)
 654 {
 655   SilcClientConnection conn;
 656   SilcClientEntry *entrys, client_entry;
 657   SilcClientFileError ret;
 658   SilcUInt32 entry_count;
 659   char *nickname = NULL, *tmp;
 660   unsigned char **argv;
 661   SilcUInt32 argc;
 662   SilcUInt32 *argv_lens, *argv_types;
 663   int type = 0;
 664   FtpSession ftp;
 665   char *local_ip = NULL;
 666   SilcUInt32 local_port = 0;
 667   SilcUInt32 session_id;
 668
 669   CMD_SILC_SERVER(server);
 670   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 671     cmd_return_error(CMDERR_NOT_CONNECTED);
 672
 673   conn = server->conn;
 674
 675   /* Now parse all arguments */
 676   tmp = g_strconcat("FILE", " ", data, NULL);
 677   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 678   g_free(tmp);
 679
 680   if (argc == 1)
 681     type = 4;
 682
 683   if (argc >= 2) {
 684     if (!strcasecmp(argv[1], "send"))
 685       type = 1;
 686     if (!strcasecmp(argv[1], "receive"))
 687       type = 2;
 688     if (!strcasecmp(argv[1], "close"))
 689       type = 3;
 690   }
 691
 692   if (type == 0)
 693     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 694
 695   switch (type) {
 696   case 1:
 697     if (argc < 4)
 698       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 699
 700     /* Parse the typed nickname. */
 701     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 702       printformat_module("fe-common/silc", server, NULL,
 703                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 704       goto out;
 705     }
 706
 707     /* Find client entry */
 708     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 709                                            argv[3], &entry_count);
 710     if (!entrys) {
 711       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 712       inter->server = server;
 713       inter->data = strdup(data);
 714       inter->nick = strdup(nickname);
 715       inter->item = item;
 716       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 717                               silc_client_command_file_get_clients, inter);
 718       goto out;
 719     }
 720     client_entry = entrys[0];
 721     silc_free(entrys);
 722
 723     if (argc >= 5)
 724       local_ip = argv[4];
 725     if (argc >= 6)
 726       local_port = atoi(argv[5]);
 727
 728     ret =
 729       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 730                             server, local_ip, local_port,
 731                             client_entry, argv[2], &session_id);
 732     if (ret == SILC_CLIENT_FILE_OK) {
 733       ftp = silc_calloc(1, sizeof(*ftp));
 734       ftp->session_id = session_id;
 735
 736       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 737                          SILCTXT_FILE_SEND, client_entry->nickname,
 738                          argv[2]);
 739
 740       ftp->client_entry = client_entry;
 741       ftp->filepath = strdup(argv[2]);
 742       ftp->conn = conn;
 743       ftp->send = TRUE;
 744       silc_dlist_add(server->ftp_sessions, ftp);
 745       server->current_session = ftp;
 746     } else {
 747       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 748         printformat_module("fe-common/silc", server, NULL,
 749                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 750                            client_entry->nickname);
 751       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 752         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 753                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 754                            client_entry->nickname, argv[2]);
 755     }
 756
 757     break;
 758
 759   case 2:
 760     /* Parse the typed nickname. */
 761     if (argc >= 3) {
 762       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 763         printformat_module("fe-common/silc", server, NULL,
 764                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 765         goto out;
 766       }
 767
 768       /* Find client entry */
 769       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 770                                              argv[2], &entry_count);
 771       if (!entrys) {
 772         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 773         inter->server = server;
 774         inter->data = strdup(data);
 775         inter->nick = strdup(nickname);
 776         inter->item = item;
 777         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 778                                 silc_client_command_file_get_clients, inter);
 779         goto out;
 780       }
 781       client_entry = entrys[0];
 782       silc_free(entrys);
 783     } else {
 784       if (!server->current_session) {
 785         printformat_module("fe-common/silc", server, NULL,
 786                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 787         goto out;
 788       }
 789
 790       ret = silc_client_file_receive(silc_client, conn,
 791                                      silc_client_file_monitor, server, NULL,
 792                                      server->current_session->session_id);
 793       if (ret != SILC_CLIENT_FILE_OK) {
 794         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 795           printformat_module("fe-common/silc", server, NULL,
 796                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 797                              server->current_session->client_entry->nickname);
 798         else
 799           printformat_module("fe-common/silc", server, NULL,
 800                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 801                              server->current_session->client_entry->nickname);
 802       }
 803
 804       goto out;
 805     }
 806
 807     silc_dlist_start(server->ftp_sessions);
 808     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 809       if (ftp->client_entry == client_entry && !ftp->filepath) {
 810         ret = silc_client_file_receive(silc_client, conn,
 811                                        silc_client_file_monitor, server,
 812                                        NULL, ftp->session_id);
 813         if (ret != SILC_CLIENT_FILE_OK) {
 814           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 815             printformat_module("fe-common/silc", server, NULL,
 816                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 817                                client_entry->nickname);
 818           else
 819             printformat_module("fe-common/silc", server, NULL,
 820                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 821                                client_entry->nickname);
 822         }
 823         break;
 824       }
 825     }
 826
 827     if (ftp == SILC_LIST_END) {
 828       printformat_module("fe-common/silc", server, NULL,
 829                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 830                          client_entry->nickname);
 831       goto out;
 832     }
 833     break;
 834
 835   case 3:
 836     /* Parse the typed nickname. */
 837     if (argc >= 3) {
 838       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 839         printformat_module("fe-common/silc", server, NULL,
 840                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 841         goto out;
 842       }
 843
 844       /* Find client entry */
 845       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 846                                              argv[2], &entry_count);
 847       if (!entrys) {
 848         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 849         inter->server = server;
 850         inter->data = strdup(data);
 851         inter->nick = strdup(nickname);
 852         inter->item = item;
 853         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 854                                 silc_client_command_file_get_clients, inter);
 855         goto out;
 856       }
 857       client_entry = entrys[0];
 858       silc_free(entrys);
 859     } else {
 860       if (!server->current_session) {
 861         printformat_module("fe-common/silc", server, NULL,
 862                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 863         goto out;
 864       }
 865
 866       silc_client_file_close(silc_client, conn,
 867                              server->current_session->session_id);
 868       printformat_module("fe-common/silc", server, NULL,
 869                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 870                          server->current_session->client_entry->nickname,
 871                          server->current_session->filepath ?
 872                          server->current_session->filepath : "[N/A]");
 873       silc_dlist_del(server->ftp_sessions, server->current_session);
 874       silc_free(server->current_session->filepath);
 875       silc_free(server->current_session);
 876       server->current_session = NULL;
 877       goto out;
 878     }
 879
 880     silc_dlist_start(server->ftp_sessions);
 881     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 882       if (ftp->client_entry == client_entry) {
 883         silc_client_file_close(silc_client, conn, ftp->session_id);
 884         printformat_module("fe-common/silc", server, NULL,
 885                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 886                            client_entry->nickname,
 887                            ftp->filepath ? ftp->filepath : "[N/A]");
 888         if (ftp == server->current_session)
 889           server->current_session = NULL;
 890         silc_dlist_del(server->ftp_sessions, ftp);
 891         silc_free(ftp->filepath);
 892         silc_free(ftp);
 893         break;
 894       }
 895     }
 896
 897     if (ftp == SILC_LIST_END) {
 898       printformat_module("fe-common/silc", server, NULL,
 899                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 900                          client_entry->nickname);
 901       goto out;
 902     }
 903     break;
 904
 905   case 4:
 906
 907     if (!silc_dlist_count(server->ftp_sessions)) {
 908       printformat_module("fe-common/silc", server, NULL,
 909                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 910       goto out;
 911     }
 912
 913     printformat_module("fe-common/silc", server, NULL,
 914                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 915
 916     silc_dlist_start(server->ftp_sessions);
 917     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 918       printformat_module("fe-common/silc", server, NULL,
 919                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 920                          ftp->client_entry->nickname,
 921                          ftp->send ? "send" : "receive",
 922                          (SilcUInt32)(ftp->offset + 1023) / 1024,
 923                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
 924                          ftp->percent, ftp->kps,
 925                          ftp->filepath ? ftp->filepath : "[N/A]");
 926     }
 927
 928     break;
 929
 930   default:
 931     break;
 932   }
 933
 934  out:
 935   silc_free(nickname);
 936 }
 937
 938 void silc_server_init(void)
 939 {
 940   silc_servers_reconnect_init();
 941
 942   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 943   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 944   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
 945   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 946   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 947   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 948   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 949   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 950   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 951   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 952   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 953   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 954   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 955   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 956   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 957   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 958   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 959   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 960   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 961   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 962   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 963   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 964   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 965   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 966   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 967   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 968   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
 969   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
 970   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
 971
 972   command_set_options("connect", "+silcnet");
 973 }
 974
 975 void silc_server_deinit(void)
 976 {
 977   silc_servers_reconnect_deinit();
 978
 979   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 980   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 981   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
 982   command_unbind("whois", (SIGNAL_FUNC) command_self);
 983   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 984   command_unbind("nick", (SIGNAL_FUNC) command_self);
 985   command_unbind("topic", (SIGNAL_FUNC) command_self);
 986   command_unbind("cmode", (SIGNAL_FUNC) command_self);
 987   command_unbind("cumode", (SIGNAL_FUNC) command_self);
 988   command_unbind("users", (SIGNAL_FUNC) command_self);
 989   command_unbind("list", (SIGNAL_FUNC) command_self);
 990   command_unbind("oper", (SIGNAL_FUNC) command_self);
 991   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
 992   command_unbind("umode", (SIGNAL_FUNC) command_self);
 993   command_unbind("invite", (SIGNAL_FUNC) command_self);
 994   command_unbind("kill", (SIGNAL_FUNC) command_self);
 995   command_unbind("kick", (SIGNAL_FUNC) command_self);
 996   command_unbind("info", (SIGNAL_FUNC) command_self);
 997   command_unbind("ping", (SIGNAL_FUNC) command_self);
 998   command_unbind("motd", (SIGNAL_FUNC) command_self);
 999   command_unbind("ban", (SIGNAL_FUNC) command_self);
1000   command_unbind("close", (SIGNAL_FUNC) command_self);
1001   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1002   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1003   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1004   command_unbind("file", (SIGNAL_FUNC) command_file);
1005   command_unbind("detach", (SIGNAL_FUNC) command_self);
1006   command_unbind("watch", (SIGNAL_FUNC) command_self);
1007   command_unbind("stats", (SIGNAL_FUNC) command_self);
1008 }
1009
1010 void silc_server_free_ftp(SILC_SERVER_REC *server,
1011                           SilcClientEntry client_entry)
1012 {
1013   FtpSession ftp;
1014
1015   silc_dlist_start(server->ftp_sessions);
1016   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1017     if (ftp->client_entry == client_entry) {
1018       silc_dlist_del(server->ftp_sessions, ftp);
1019       silc_free(ftp->filepath);
1020       silc_free(ftp);
1021     }
1022   }
1023 }
1024
1025 bool silc_term_utf8(void)
1026 {
1027   const char *str;
1028   str = settings_get_str("term_type");
1029   if (str)
1030     if (g_strcasecmp(str, "utf-8") == 0)
1031       return TRUE;
1032   return FALSE;
1033 }