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   /* Put default attributes */
 298   silc_query_attributes_default(silc_client, conn);
 299
 300   server->ftp_sessions = silc_dlist_init();
 301   server->isnickflag = isnickflag_func;
 302   server->ischannel = ischannel_func;
 303   server->get_nick_flags = get_nick_flags;
 304   server->send_message = (void *) send_message;
 305 }
 306
 307 static void sig_disconnected(SILC_SERVER_REC *server)
 308 {
 309   if (!IS_SILC_SERVER(server))
 310     return;
 311
 312   silc_dlist_uninit(server->ftp_sessions);
 313
 314   if (server->conn && server->conn->sock != NULL) {
 315     silc_client_close_connection(silc_client, server->conn);
 316
 317     /* SILC closes the handle */
 318     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 319     net_sendbuffer_destroy(server->handle, FALSE);
 320     server->handle = NULL;
 321   }
 322 }
 323
 324 SILC_SERVER_REC *silc_server_connect(SILC_SERVER_CONNECT_REC *conn){
 325   SILC_SERVER_REC *server;
 326
 327   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 328   if (conn->address == NULL || *conn->address == '\0')
 329     return NULL;
 330   if (conn->nick == NULL || *conn->nick == '\0') {
 331     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 332               "Cannot connect: nickname is not set");
 333     return NULL;
 334   }
 335
 336   server = g_new0(SILC_SERVER_REC, 1);
 337   server->chat_type = SILC_PROTOCOL;
 338   server->connrec = conn;
 339   if (server->connrec->port <= 0)
 340     server->connrec->port = 706;
 341
 342   server_connect_ref(SERVER_CONNECT(conn));
 343
 344   if (!server_start_connect((SERVER_REC *) server)) {
 345     server_connect_unref(SERVER_CONNECT(conn));
 346     g_free(server);
 347     return NULL;
 348   }
 349
 350   return server;
 351 }
 352
 353 /* Return a string of all channels in server in server->channels_join()
 354    format */
 355
 356 char *silc_server_get_channels(SILC_SERVER_REC *server)
 357 {
 358   GSList *tmp;
 359   GString *chans;
 360   char *ret;
 361
 362   g_return_val_if_fail(server != NULL, FALSE);
 363
 364   chans = g_string_new(NULL);
 365   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 366     CHANNEL_REC *channel = tmp->data;
 367
 368     g_string_sprintfa(chans, "%s,", channel->name);
 369   }
 370
 371   if (chans->len > 0)
 372     g_string_truncate(chans, chans->len-1);
 373
 374   ret = chans->str;
 375   g_string_free(chans, FALSE);
 376
 377   return ret;
 378 }
 379
 380 /* Syntaxes of all SILC commands for HELP files (the help file generation
 381    will snoop these from here). */
 382
 383 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 384 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 385 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 386 /* SYNTAX: GETKEY <nickname or server name> */
 387 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 388 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 389 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 390 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 391 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 392 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] */
 393 /* SYNTAX: OPER <username> [-pubkey] */
 394 /* SYNTAX: SILCOPER <username> [-pubkey] */
 395 /* SYNTAX: TOPIC <channel> [<topic>] */
 396 /* SYNTAX: UMODE +|-<modes> */
 397 /* SYNTAX: WHOIS <nickname>[@<hostname>] [-details] [<count>] */
 398 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 399 /* SYNTAX: CLOSE <server> [<port>] */
 400 /* SYNTAX: SHUTDOWN */
 401 /* SYNTAX: MOTD [<server>] */
 402 /* SYNTAX: LIST [<channel>] */
 403 /* SYNTAX: ME <message> */
 404 /* SYNTAX: ACTION <channel> <message> */
 405 /* SYNTAX: AWAY [<message>] */
 406 /* SYNTAX: INFO [<server>] */
 407 /* SYNTAX: NICK <nickname> */
 408 /* SYNTAX: NOTICE <message> */
 409 /* SYNTAX: PART [<channel>] */
 410 /* SYNTAX: PING */
 411 /* SYNTAX: SCONNECT <server> [<port>] */
 412 /* SYNTAX: USERS <channel> */
 413 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] */
 414 /* SYNTAX: FILE RECEIVE [<nickname>] */
 415 /* SYNTAX: FILE CLOSE [<nickname>] */
 416 /* SYNTAX: FILE */
 417 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] */
 418 /* SYNTAX: DETACH */
 419 /* SYNTAX: WATCH [<-add | -del> <nickname>] */
 420 /* SYNTAX: STATS */
 421 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 422
 423 void silc_command_exec(SILC_SERVER_REC *server,
 424                        const char *command, const char *args)
 425 {
 426   SilcUInt32 argc = 0;
 427   unsigned char **argv;
 428   SilcUInt32 *argv_lens, *argv_types;
 429   char *data, *tmpcmd;
 430   SilcClientCommand cmd;
 431   SilcClientCommandContext ctx;
 432
 433   g_return_if_fail(server != NULL);
 434
 435   tmpcmd = g_strdup(command);
 436   g_strup(tmpcmd);
 437   cmd = silc_client_command_find(silc_client, tmpcmd);
 438   g_free(tmpcmd);
 439   if (cmd == NULL)
 440     return;
 441
 442   /* Now parse all arguments */
 443   data = g_strconcat(command, " ", args, NULL);
 444   silc_parse_command_line(data, &argv, &argv_lens,
 445                           &argv_types, &argc, cmd->max_args);
 446   g_free(data);
 447
 448   /* Allocate command context. This and its internals must be free'd
 449      by the command routine receiving it. */
 450   ctx = silc_client_command_alloc();
 451   ctx->client = silc_client;
 452   ctx->conn = server->conn;
 453   ctx->command = cmd;
 454   ctx->argc = argc;
 455   ctx->argv = argv;
 456   ctx->argv_lens = argv_lens;
 457   ctx->argv_types = argv_types;
 458
 459   /* Execute command */
 460   silc_client_command_call(cmd, ctx);
 461 }
 462
 463 /* Generic command function to call any SILC command directly. */
 464
 465 static void command_self(const char *data, SILC_SERVER_REC *server,
 466                          WI_ITEM_REC *item)
 467 {
 468   CMD_SILC_SERVER(server);
 469
 470   if (!IS_SILC_SERVER(server) || !server->connected) {
 471     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 472     return;
 473   }
 474
 475   if (IS_SILC_CHANNEL(item)) {
 476     SILC_CHANNEL_REC *chanrec;
 477     chanrec = silc_channel_find(server, item->name);
 478     if (chanrec)
 479       server->conn->current_channel = chanrec->entry;
 480   }
 481
 482   silc_command_exec(server, current_command, data);
 483   signal_stop();
 484 }
 485
 486 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 487    has CONNECT command for other purposes. */
 488
 489 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 490 {
 491   CMD_SILC_SERVER(server);
 492   if (!IS_SILC_SERVER(server) || !server->connected) {
 493     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 494     return;
 495   }
 496
 497   silc_command_exec(server, "CONNECT", data);
 498   signal_stop();
 499 }
 500
 501 /* FILE command */
 502
 503 SILC_TASK_CALLBACK(silc_client_file_close_later)
 504 {
 505   FtpSession ftp = (FtpSession)context;
 506
 507   SILC_LOG_DEBUG(("Start"));
 508
 509   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 510   silc_free(ftp->filepath);
 511   silc_free(ftp);
 512 }
 513
 514 static void silc_client_file_monitor(SilcClient client,
 515                                      SilcClientConnection conn,
 516                                      SilcClientMonitorStatus status,
 517                                      SilcClientFileError error,
 518                                      SilcUInt64 offset,
 519                                      SilcUInt64 filesize,
 520                                      SilcClientEntry client_entry,
 521                                      SilcUInt32 session_id,
 522                                      const char *filepath,
 523                                      void *context)
 524 {
 525   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 526   FtpSession ftp;
 527   char fsize[32];
 528
 529   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 530
 531   silc_dlist_start(server->ftp_sessions);
 532   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 533     if (ftp->session_id == session_id) {
 534       if (!ftp->filepath && filepath)
 535         ftp->filepath = strdup(filepath);
 536       break;
 537     }
 538   }
 539
 540   if (ftp == SILC_LIST_END)
 541     return;
 542
 543   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 544     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 545       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 546                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 547                          client_entry->nickname,
 548                          filepath ? filepath : "[N/A]");
 549     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 550       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 551                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 552                          client_entry->nickname);
 553     else
 554       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 555                          SILCTXT_FILE_ERROR, client_entry->nickname);
 556     silc_schedule_task_add(silc_client->schedule, 0,
 557                            silc_client_file_close_later, ftp,
 558                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 559     if (ftp == server->current_session)
 560       server->current_session = NULL;
 561     silc_dlist_del(server->ftp_sessions, ftp);
 562   }
 563
 564   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 565     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 566                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 567   }
 568
 569   /* Save some transmission data */
 570   if (offset && filesize) {
 571     unsigned long delta = time(NULL) - ftp->starttime;
 572
 573     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 574     if (delta)
 575       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 576     else
 577       ftp->kps = (double)(offset + 1023) / (double)1024;
 578     ftp->offset = offset;
 579     ftp->filesize = filesize;
 580   }
 581
 582   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 583     if (offset == 0) {
 584       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 585                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 586                          client_entry->nickname);
 587       ftp->starttime = time(NULL);
 588     }
 589     if (offset == filesize) {
 590       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 591                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 592                          client_entry->nickname, ftp->kps);
 593       silc_schedule_task_add(silc_client->schedule, 0,
 594                              silc_client_file_close_later, ftp,
 595                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 596       if (ftp == server->current_session)
 597         server->current_session = NULL;
 598       silc_dlist_del(server->ftp_sessions, ftp);
 599     }
 600   }
 601
 602   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 603     if (offset == 0) {
 604       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 605                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 606                          client_entry->nickname);
 607       ftp->starttime = time(NULL);
 608     }
 609
 610     if (offset == filesize) {
 611       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 612                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 613                          client_entry->nickname, ftp->kps);
 614       silc_schedule_task_add(silc_client->schedule, 0,
 615                              silc_client_file_close_later, ftp,
 616                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 617       if (ftp == server->current_session)
 618         server->current_session = NULL;
 619       silc_dlist_del(server->ftp_sessions, ftp);
 620     }
 621   }
 622 }
 623
 624 typedef struct {
 625   SILC_SERVER_REC *server;
 626   char *data;
 627   char *nick;
 628   WI_ITEM_REC *item;
 629 } *FileGetClients;
 630
 631 static void silc_client_command_file_get_clients(SilcClient client,
 632                                                  SilcClientConnection conn,
 633                                                  SilcClientEntry *clients,
 634                                                  SilcUInt32 clients_count,
 635                                                  void *context)
 636 {
 637   FileGetClients internal = (FileGetClients)context;
 638
 639   if (!clients) {
 640     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 641               internal->nick);
 642     silc_free(internal->data);
 643     silc_free(internal->nick);
 644     silc_free(internal);
 645     return;
 646   }
 647
 648   signal_emit("command file", 3, internal->data, internal->server,
 649               internal->item);
 650
 651   silc_free(internal->data);
 652   silc_free(internal->nick);
 653   silc_free(internal);
 654 }
 655
 656 static void command_file(const char *data, SILC_SERVER_REC *server,
 657                          WI_ITEM_REC *item)
 658 {
 659   SilcClientConnection conn;
 660   SilcClientEntry *entrys, client_entry;
 661   SilcClientFileError ret;
 662   SilcUInt32 entry_count;
 663   char *nickname = NULL, *tmp;
 664   unsigned char **argv;
 665   SilcUInt32 argc;
 666   SilcUInt32 *argv_lens, *argv_types;
 667   int type = 0;
 668   FtpSession ftp;
 669   char *local_ip = NULL;
 670   SilcUInt32 local_port = 0;
 671   SilcUInt32 session_id;
 672
 673   CMD_SILC_SERVER(server);
 674   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 675     cmd_return_error(CMDERR_NOT_CONNECTED);
 676
 677   conn = server->conn;
 678
 679   /* Now parse all arguments */
 680   tmp = g_strconcat("FILE", " ", data, NULL);
 681   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 682   g_free(tmp);
 683
 684   if (argc == 1)
 685     type = 4;
 686
 687   if (argc >= 2) {
 688     if (!strcasecmp(argv[1], "send"))
 689       type = 1;
 690     if (!strcasecmp(argv[1], "receive"))
 691       type = 2;
 692     if (!strcasecmp(argv[1], "close"))
 693       type = 3;
 694   }
 695
 696   if (type == 0)
 697     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 698
 699   switch (type) {
 700   case 1:
 701     if (argc < 4)
 702       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 703
 704     /* Parse the typed nickname. */
 705     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 706       printformat_module("fe-common/silc", server, NULL,
 707                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 708       goto out;
 709     }
 710
 711     /* Find client entry */
 712     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 713                                            argv[3], &entry_count);
 714     if (!entrys) {
 715       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 716       inter->server = server;
 717       inter->data = strdup(data);
 718       inter->nick = strdup(nickname);
 719       inter->item = item;
 720       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 721                               silc_client_command_file_get_clients, inter);
 722       goto out;
 723     }
 724     client_entry = entrys[0];
 725     silc_free(entrys);
 726
 727     if (argc >= 5)
 728       local_ip = argv[4];
 729     if (argc >= 6)
 730       local_port = atoi(argv[5]);
 731
 732     ret =
 733       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 734                             server, local_ip, local_port,
 735                             client_entry, argv[2], &session_id);
 736     if (ret == SILC_CLIENT_FILE_OK) {
 737       ftp = silc_calloc(1, sizeof(*ftp));
 738       ftp->session_id = session_id;
 739
 740       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 741                          SILCTXT_FILE_SEND, client_entry->nickname,
 742                          argv[2]);
 743
 744       ftp->client_entry = client_entry;
 745       ftp->filepath = strdup(argv[2]);
 746       ftp->conn = conn;
 747       ftp->send = TRUE;
 748       silc_dlist_add(server->ftp_sessions, ftp);
 749       server->current_session = ftp;
 750     } else {
 751       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 752         printformat_module("fe-common/silc", server, NULL,
 753                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 754                            client_entry->nickname);
 755       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 756         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 757                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 758                            client_entry->nickname, argv[2]);
 759     }
 760
 761     break;
 762
 763   case 2:
 764     /* Parse the typed nickname. */
 765     if (argc >= 3) {
 766       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 767         printformat_module("fe-common/silc", server, NULL,
 768                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 769         goto out;
 770       }
 771
 772       /* Find client entry */
 773       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 774                                              argv[2], &entry_count);
 775       if (!entrys) {
 776         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 777         inter->server = server;
 778         inter->data = strdup(data);
 779         inter->nick = strdup(nickname);
 780         inter->item = item;
 781         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 782                                 silc_client_command_file_get_clients, inter);
 783         goto out;
 784       }
 785       client_entry = entrys[0];
 786       silc_free(entrys);
 787     } else {
 788       if (!server->current_session) {
 789         printformat_module("fe-common/silc", server, NULL,
 790                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 791         goto out;
 792       }
 793
 794       ret = silc_client_file_receive(silc_client, conn,
 795                                      silc_client_file_monitor, server, NULL,
 796                                      server->current_session->session_id);
 797       if (ret != SILC_CLIENT_FILE_OK) {
 798         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 799           printformat_module("fe-common/silc", server, NULL,
 800                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 801                              server->current_session->client_entry->nickname);
 802         else
 803           printformat_module("fe-common/silc", server, NULL,
 804                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 805                              server->current_session->client_entry->nickname);
 806       }
 807
 808       goto out;
 809     }
 810
 811     silc_dlist_start(server->ftp_sessions);
 812     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 813       if (ftp->client_entry == client_entry && !ftp->filepath) {
 814         ret = silc_client_file_receive(silc_client, conn,
 815                                        silc_client_file_monitor, server,
 816                                        NULL, ftp->session_id);
 817         if (ret != SILC_CLIENT_FILE_OK) {
 818           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 819             printformat_module("fe-common/silc", server, NULL,
 820                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 821                                client_entry->nickname);
 822           else
 823             printformat_module("fe-common/silc", server, NULL,
 824                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 825                                client_entry->nickname);
 826         }
 827         break;
 828       }
 829     }
 830
 831     if (ftp == SILC_LIST_END) {
 832       printformat_module("fe-common/silc", server, NULL,
 833                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 834                          client_entry->nickname);
 835       goto out;
 836     }
 837     break;
 838
 839   case 3:
 840     /* Parse the typed nickname. */
 841     if (argc >= 3) {
 842       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 843         printformat_module("fe-common/silc", server, NULL,
 844                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 845         goto out;
 846       }
 847
 848       /* Find client entry */
 849       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 850                                              argv[2], &entry_count);
 851       if (!entrys) {
 852         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 853         inter->server = server;
 854         inter->data = strdup(data);
 855         inter->nick = strdup(nickname);
 856         inter->item = item;
 857         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 858                                 silc_client_command_file_get_clients, inter);
 859         goto out;
 860       }
 861       client_entry = entrys[0];
 862       silc_free(entrys);
 863     } else {
 864       if (!server->current_session) {
 865         printformat_module("fe-common/silc", server, NULL,
 866                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 867         goto out;
 868       }
 869
 870       silc_client_file_close(silc_client, conn,
 871                              server->current_session->session_id);
 872       printformat_module("fe-common/silc", server, NULL,
 873                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 874                          server->current_session->client_entry->nickname,
 875                          server->current_session->filepath ?
 876                          server->current_session->filepath : "[N/A]");
 877       silc_dlist_del(server->ftp_sessions, server->current_session);
 878       silc_free(server->current_session->filepath);
 879       silc_free(server->current_session);
 880       server->current_session = NULL;
 881       goto out;
 882     }
 883
 884     silc_dlist_start(server->ftp_sessions);
 885     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 886       if (ftp->client_entry == client_entry) {
 887         silc_client_file_close(silc_client, conn, ftp->session_id);
 888         printformat_module("fe-common/silc", server, NULL,
 889                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 890                            client_entry->nickname,
 891                            ftp->filepath ? ftp->filepath : "[N/A]");
 892         if (ftp == server->current_session)
 893           server->current_session = NULL;
 894         silc_dlist_del(server->ftp_sessions, ftp);
 895         silc_free(ftp->filepath);
 896         silc_free(ftp);
 897         break;
 898       }
 899     }
 900
 901     if (ftp == SILC_LIST_END) {
 902       printformat_module("fe-common/silc", server, NULL,
 903                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 904                          client_entry->nickname);
 905       goto out;
 906     }
 907     break;
 908
 909   case 4:
 910
 911     if (!silc_dlist_count(server->ftp_sessions)) {
 912       printformat_module("fe-common/silc", server, NULL,
 913                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 914       goto out;
 915     }
 916
 917     printformat_module("fe-common/silc", server, NULL,
 918                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 919
 920     silc_dlist_start(server->ftp_sessions);
 921     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 922       printformat_module("fe-common/silc", server, NULL,
 923                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 924                          ftp->client_entry->nickname,
 925                          ftp->send ? "send" : "receive",
 926                          (SilcUInt32)(ftp->offset + 1023) / 1024,
 927                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
 928                          ftp->percent, ftp->kps,
 929                          ftp->filepath ? ftp->filepath : "[N/A]");
 930     }
 931
 932     break;
 933
 934   default:
 935     break;
 936   }
 937
 938  out:
 939   silc_free(nickname);
 940 }
 941
 942 void silc_server_init(void)
 943 {
 944   silc_servers_reconnect_init();
 945
 946   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 947   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 948   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
 949   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 950   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 951   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 952   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 953   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 954   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 955   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 956   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 957   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 958   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 959   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 960   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 961   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 962   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 963   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 964   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 965   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 966   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 967   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 968   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 969   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 970   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 971   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 972   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
 973   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
 974   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
 975   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
 976
 977   command_set_options("connect", "+silcnet");
 978 }
 979
 980 void silc_server_deinit(void)
 981 {
 982   silc_servers_reconnect_deinit();
 983
 984   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 985   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 986   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
 987   command_unbind("whois", (SIGNAL_FUNC) command_self);
 988   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 989   command_unbind("nick", (SIGNAL_FUNC) command_self);
 990   command_unbind("topic", (SIGNAL_FUNC) command_self);
 991   command_unbind("cmode", (SIGNAL_FUNC) command_self);
 992   command_unbind("cumode", (SIGNAL_FUNC) command_self);
 993   command_unbind("users", (SIGNAL_FUNC) command_self);
 994   command_unbind("list", (SIGNAL_FUNC) command_self);
 995   command_unbind("oper", (SIGNAL_FUNC) command_self);
 996   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
 997   command_unbind("umode", (SIGNAL_FUNC) command_self);
 998   command_unbind("invite", (SIGNAL_FUNC) command_self);
 999   command_unbind("kill", (SIGNAL_FUNC) command_self);
1000   command_unbind("kick", (SIGNAL_FUNC) command_self);
1001   command_unbind("info", (SIGNAL_FUNC) command_self);
1002   command_unbind("ping", (SIGNAL_FUNC) command_self);
1003   command_unbind("motd", (SIGNAL_FUNC) command_self);
1004   command_unbind("ban", (SIGNAL_FUNC) command_self);
1005   command_unbind("close", (SIGNAL_FUNC) command_self);
1006   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1007   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1008   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1009   command_unbind("file", (SIGNAL_FUNC) command_file);
1010   command_unbind("detach", (SIGNAL_FUNC) command_self);
1011   command_unbind("watch", (SIGNAL_FUNC) command_self);
1012   command_unbind("stats", (SIGNAL_FUNC) command_self);
1013   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1014 }
1015
1016 void silc_server_free_ftp(SILC_SERVER_REC *server,
1017                           SilcClientEntry client_entry)
1018 {
1019   FtpSession ftp;
1020
1021   silc_dlist_start(server->ftp_sessions);
1022   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1023     if (ftp->client_entry == client_entry) {
1024       silc_dlist_del(server->ftp_sessions, ftp);
1025       silc_free(ftp->filepath);
1026       silc_free(ftp);
1027     }
1028   }
1029 }
1030
1031 bool silc_term_utf8(void)
1032 {
1033   const char *str;
1034   str = settings_get_str("term_type");
1035   if (str)
1036     if (g_strcasecmp(str, "utf-8") == 0)
1037       return TRUE;
1038   return FALSE;
1039 }