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>] [<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
 418 void silc_command_exec(SILC_SERVER_REC *server,
 419                        const char *command, const char *args)
 420 {
 421   SilcUInt32 argc = 0;
 422   unsigned char **argv;
 423   SilcUInt32 *argv_lens, *argv_types;
 424   char *data, *tmpcmd;
 425   SilcClientCommand cmd;
 426   SilcClientCommandContext ctx;
 427
 428   g_return_if_fail(server != NULL);
 429
 430   tmpcmd = g_strdup(command);
 431   g_strup(tmpcmd);
 432   cmd = silc_client_command_find(silc_client, tmpcmd);
 433   g_free(tmpcmd);
 434   if (cmd == NULL)
 435     return;
 436
 437   /* Now parse all arguments */
 438   data = g_strconcat(command, " ", args, NULL);
 439   silc_parse_command_line(data, &argv, &argv_lens,
 440                           &argv_types, &argc, cmd->max_args);
 441   g_free(data);
 442
 443   /* Allocate command context. This and its internals must be free'd
 444      by the command routine receiving it. */
 445   ctx = silc_client_command_alloc();
 446   ctx->client = silc_client;
 447   ctx->conn = server->conn;
 448   ctx->command = cmd;
 449   ctx->argc = argc;
 450   ctx->argv = argv;
 451   ctx->argv_lens = argv_lens;
 452   ctx->argv_types = argv_types;
 453
 454   /* Execute command */
 455   silc_client_command_call(cmd, ctx);
 456 }
 457
 458 /* Generic command function to call any SILC command directly. */
 459
 460 static void command_self(const char *data, SILC_SERVER_REC *server,
 461                          WI_ITEM_REC *item)
 462 {
 463   CMD_SILC_SERVER(server);
 464
 465   if (!IS_SILC_SERVER(server) || !server->connected) {
 466     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 467     return;
 468   }
 469
 470   if (IS_SILC_CHANNEL(item)) {
 471     SILC_CHANNEL_REC *chanrec;
 472     chanrec = silc_channel_find(server, item->name);
 473     if (chanrec)
 474       server->conn->current_channel = chanrec->entry;
 475   }
 476
 477   silc_command_exec(server, current_command, data);
 478   signal_stop();
 479 }
 480
 481 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 482    has CONNECT command for other purposes. */
 483
 484 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 485 {
 486   CMD_SILC_SERVER(server);
 487   if (!IS_SILC_SERVER(server) || !server->connected) {
 488     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 489     return;
 490   }
 491
 492   silc_command_exec(server, "CONNECT", data);
 493   signal_stop();
 494 }
 495
 496 /* FILE command */
 497
 498 SILC_TASK_CALLBACK(silc_client_file_close_later)
 499 {
 500   FtpSession ftp = (FtpSession)context;
 501
 502   SILC_LOG_DEBUG(("Start"));
 503
 504   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 505   silc_free(ftp->filepath);
 506   silc_free(ftp);
 507 }
 508
 509 static void silc_client_file_monitor(SilcClient client,
 510                                      SilcClientConnection conn,
 511                                      SilcClientMonitorStatus status,
 512                                      SilcClientFileError error,
 513                                      SilcUInt64 offset,
 514                                      SilcUInt64 filesize,
 515                                      SilcClientEntry client_entry,
 516                                      SilcUInt32 session_id,
 517                                      const char *filepath,
 518                                      void *context)
 519 {
 520   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 521   FtpSession ftp;
 522   char fsize[32];
 523
 524   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 525
 526   silc_dlist_start(server->ftp_sessions);
 527   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 528     if (ftp->session_id == session_id) {
 529       if (!ftp->filepath && filepath)
 530         ftp->filepath = strdup(filepath);
 531       break;
 532     }
 533   }
 534
 535   if (ftp == SILC_LIST_END)
 536     return;
 537
 538   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 539     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 540       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 541                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 542                          client_entry->nickname,
 543                          filepath ? filepath : "[N/A]");
 544     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 545       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 546                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 547                          client_entry->nickname);
 548     else
 549       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 550                          SILCTXT_FILE_ERROR, client_entry->nickname);
 551     silc_schedule_task_add(silc_client->schedule, 0,
 552                            silc_client_file_close_later, ftp,
 553                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 554     if (ftp == server->current_session)
 555       server->current_session = NULL;
 556     silc_dlist_del(server->ftp_sessions, ftp);
 557   }
 558
 559   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 560     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 561                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 562   }
 563
 564   /* Save some transmission data */
 565   if (offset && filesize) {
 566     unsigned long delta = time(NULL) - ftp->starttime;
 567
 568     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 569     if (delta)
 570       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 571     else
 572       ftp->kps = (double)(offset + 1023) / (double)1024;
 573     ftp->offset = offset;
 574     ftp->filesize = filesize;
 575   }
 576
 577   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 578     if (offset == 0) {
 579       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 580                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 581                          client_entry->nickname);
 582       ftp->starttime = time(NULL);
 583     }
 584     if (offset == filesize) {
 585       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 586                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 587                          client_entry->nickname, ftp->kps);
 588       silc_schedule_task_add(silc_client->schedule, 0,
 589                              silc_client_file_close_later, ftp,
 590                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 591       if (ftp == server->current_session)
 592         server->current_session = NULL;
 593       silc_dlist_del(server->ftp_sessions, ftp);
 594     }
 595   }
 596
 597   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 598     if (offset == 0) {
 599       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 600                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 601                          client_entry->nickname);
 602       ftp->starttime = time(NULL);
 603     }
 604
 605     if (offset == filesize) {
 606       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 607                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 608                          client_entry->nickname, ftp->kps);
 609       silc_schedule_task_add(silc_client->schedule, 0,
 610                              silc_client_file_close_later, ftp,
 611                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 612       if (ftp == server->current_session)
 613         server->current_session = NULL;
 614       silc_dlist_del(server->ftp_sessions, ftp);
 615     }
 616   }
 617 }
 618
 619 typedef struct {
 620   SILC_SERVER_REC *server;
 621   char *data;
 622   char *nick;
 623   WI_ITEM_REC *item;
 624 } *FileGetClients;
 625
 626 static void silc_client_command_file_get_clients(SilcClient client,
 627                                                  SilcClientConnection conn,
 628                                                  SilcClientEntry *clients,
 629                                                  SilcUInt32 clients_count,
 630                                                  void *context)
 631 {
 632   FileGetClients internal = (FileGetClients)context;
 633
 634   if (!clients) {
 635     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 636               internal->nick);
 637     silc_free(internal->data);
 638     silc_free(internal->nick);
 639     silc_free(internal);
 640     return;
 641   }
 642
 643   signal_emit("command file", 3, internal->data, internal->server,
 644               internal->item);
 645
 646   silc_free(internal->data);
 647   silc_free(internal->nick);
 648   silc_free(internal);
 649 }
 650
 651 static void command_file(const char *data, SILC_SERVER_REC *server,
 652                          WI_ITEM_REC *item)
 653 {
 654   SilcClientConnection conn;
 655   SilcClientEntry *entrys, client_entry;
 656   SilcClientFileError ret;
 657   SilcUInt32 entry_count;
 658   char *nickname = NULL, *tmp;
 659   unsigned char **argv;
 660   SilcUInt32 argc;
 661   SilcUInt32 *argv_lens, *argv_types;
 662   int type = 0;
 663   FtpSession ftp;
 664   char *local_ip = NULL;
 665   SilcUInt32 local_port = 0;
 666   SilcUInt32 session_id;
 667
 668   CMD_SILC_SERVER(server);
 669   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 670     cmd_return_error(CMDERR_NOT_CONNECTED);
 671
 672   conn = server->conn;
 673
 674   /* Now parse all arguments */
 675   tmp = g_strconcat("FILE", " ", data, NULL);
 676   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 677   g_free(tmp);
 678
 679   if (argc == 1)
 680     type = 4;
 681
 682   if (argc >= 2) {
 683     if (!strcasecmp(argv[1], "send"))
 684       type = 1;
 685     if (!strcasecmp(argv[1], "receive"))
 686       type = 2;
 687     if (!strcasecmp(argv[1], "close"))
 688       type = 3;
 689   }
 690
 691   if (type == 0)
 692     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 693
 694   switch (type) {
 695   case 1:
 696     if (argc < 4)
 697       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 698
 699     /* Parse the typed nickname. */
 700     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 701       printformat_module("fe-common/silc", server, NULL,
 702                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 703       goto out;
 704     }
 705
 706     /* Find client entry */
 707     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 708                                            argv[3], &entry_count);
 709     if (!entrys) {
 710       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 711       inter->server = server;
 712       inter->data = strdup(data);
 713       inter->nick = strdup(nickname);
 714       inter->item = item;
 715       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 716                               silc_client_command_file_get_clients, inter);
 717       goto out;
 718     }
 719     client_entry = entrys[0];
 720     silc_free(entrys);
 721
 722     if (argc >= 5)
 723       local_ip = argv[4];
 724     if (argc >= 6)
 725       local_port = atoi(argv[5]);
 726
 727     ret =
 728       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 729                             server, local_ip, local_port,
 730                             client_entry, argv[2], &session_id);
 731     if (ret == SILC_CLIENT_FILE_OK) {
 732       ftp = silc_calloc(1, sizeof(*ftp));
 733       ftp->session_id = session_id;
 734
 735       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 736                          SILCTXT_FILE_SEND, client_entry->nickname,
 737                          argv[2]);
 738
 739       ftp->client_entry = client_entry;
 740       ftp->filepath = strdup(argv[2]);
 741       ftp->conn = conn;
 742       ftp->send = TRUE;
 743       silc_dlist_add(server->ftp_sessions, ftp);
 744       server->current_session = ftp;
 745     } else {
 746       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 747         printformat_module("fe-common/silc", server, NULL,
 748                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 749                            client_entry->nickname);
 750       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 751         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 752                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 753                            client_entry->nickname, argv[2]);
 754     }
 755
 756     break;
 757
 758   case 2:
 759     /* Parse the typed nickname. */
 760     if (argc >= 3) {
 761       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 762         printformat_module("fe-common/silc", server, NULL,
 763                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 764         goto out;
 765       }
 766
 767       /* Find client entry */
 768       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 769                                              argv[2], &entry_count);
 770       if (!entrys) {
 771         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 772         inter->server = server;
 773         inter->data = strdup(data);
 774         inter->nick = strdup(nickname);
 775         inter->item = item;
 776         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 777                                 silc_client_command_file_get_clients, inter);
 778         goto out;
 779       }
 780       client_entry = entrys[0];
 781       silc_free(entrys);
 782     } else {
 783       if (!server->current_session) {
 784         printformat_module("fe-common/silc", server, NULL,
 785                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 786         goto out;
 787       }
 788
 789       ret = silc_client_file_receive(silc_client, conn,
 790                                      silc_client_file_monitor, server, NULL,
 791                                      server->current_session->session_id);
 792       if (ret != SILC_CLIENT_FILE_OK) {
 793         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 794           printformat_module("fe-common/silc", server, NULL,
 795                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 796                              server->current_session->client_entry->nickname);
 797         else
 798           printformat_module("fe-common/silc", server, NULL,
 799                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 800                              server->current_session->client_entry->nickname);
 801       }
 802
 803       goto out;
 804     }
 805
 806     silc_dlist_start(server->ftp_sessions);
 807     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 808       if (ftp->client_entry == client_entry && !ftp->filepath) {
 809         ret = silc_client_file_receive(silc_client, conn,
 810                                        silc_client_file_monitor, server,
 811                                        NULL, ftp->session_id);
 812         if (ret != SILC_CLIENT_FILE_OK) {
 813           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 814             printformat_module("fe-common/silc", server, NULL,
 815                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 816                                client_entry->nickname);
 817           else
 818             printformat_module("fe-common/silc", server, NULL,
 819                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 820                                client_entry->nickname);
 821         }
 822         break;
 823       }
 824     }
 825
 826     if (ftp == SILC_LIST_END) {
 827       printformat_module("fe-common/silc", server, NULL,
 828                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 829                          client_entry->nickname);
 830       goto out;
 831     }
 832     break;
 833
 834   case 3:
 835     /* Parse the typed nickname. */
 836     if (argc >= 3) {
 837       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 838         printformat_module("fe-common/silc", server, NULL,
 839                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 840         goto out;
 841       }
 842
 843       /* Find client entry */
 844       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 845                                              argv[2], &entry_count);
 846       if (!entrys) {
 847         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 848         inter->server = server;
 849         inter->data = strdup(data);
 850         inter->nick = strdup(nickname);
 851         inter->item = item;
 852         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 853                                 silc_client_command_file_get_clients, inter);
 854         goto out;
 855       }
 856       client_entry = entrys[0];
 857       silc_free(entrys);
 858     } else {
 859       if (!server->current_session) {
 860         printformat_module("fe-common/silc", server, NULL,
 861                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 862         goto out;
 863       }
 864
 865       silc_client_file_close(silc_client, conn,
 866                              server->current_session->session_id);
 867       printformat_module("fe-common/silc", server, NULL,
 868                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 869                          server->current_session->client_entry->nickname,
 870                          server->current_session->filepath ?
 871                          server->current_session->filepath : "[N/A]");
 872       silc_dlist_del(server->ftp_sessions, server->current_session);
 873       silc_free(server->current_session->filepath);
 874       silc_free(server->current_session);
 875       server->current_session = NULL;
 876       goto out;
 877     }
 878
 879     silc_dlist_start(server->ftp_sessions);
 880     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 881       if (ftp->client_entry == client_entry) {
 882         silc_client_file_close(silc_client, conn, ftp->session_id);
 883         printformat_module("fe-common/silc", server, NULL,
 884                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 885                            client_entry->nickname,
 886                            ftp->filepath ? ftp->filepath : "[N/A]");
 887         if (ftp == server->current_session)
 888           server->current_session = NULL;
 889         silc_dlist_del(server->ftp_sessions, ftp);
 890         silc_free(ftp->filepath);
 891         silc_free(ftp);
 892         break;
 893       }
 894     }
 895
 896     if (ftp == SILC_LIST_END) {
 897       printformat_module("fe-common/silc", server, NULL,
 898                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 899                          client_entry->nickname);
 900       goto out;
 901     }
 902     break;
 903
 904   case 4:
 905
 906     if (!silc_dlist_count(server->ftp_sessions)) {
 907       printformat_module("fe-common/silc", server, NULL,
 908                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 909       goto out;
 910     }
 911
 912     printformat_module("fe-common/silc", server, NULL,
 913                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 914
 915     silc_dlist_start(server->ftp_sessions);
 916     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 917       printformat_module("fe-common/silc", server, NULL,
 918                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 919                          ftp->client_entry->nickname,
 920                          ftp->send ? "send" : "receive",
 921                          (SilcUInt32)(ftp->offset + 1023) / 1024,
 922                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
 923                          ftp->percent, ftp->kps,
 924                          ftp->filepath ? ftp->filepath : "[N/A]");
 925     }
 926
 927     break;
 928
 929   default:
 930     break;
 931   }
 932
 933  out:
 934   silc_free(nickname);
 935 }
 936
 937 void silc_server_init(void)
 938 {
 939   silc_servers_reconnect_init();
 940
 941   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 942   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 943   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
 944   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 945   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 946   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 947   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 948   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 949   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 950   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 951   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 952   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 953   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 954   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 955   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 956   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 957   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 958   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 959   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 960   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 961   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 962   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 963   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 964   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 965   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 966   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 967   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
 968   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
 969
 970   command_set_options("connect", "+silcnet");
 971 }
 972
 973 void silc_server_deinit(void)
 974 {
 975   silc_servers_reconnect_deinit();
 976
 977   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 978   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 979   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
 980   command_unbind("whois", (SIGNAL_FUNC) command_self);
 981   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 982   command_unbind("nick", (SIGNAL_FUNC) command_self);
 983   command_unbind("topic", (SIGNAL_FUNC) command_self);
 984   command_unbind("cmode", (SIGNAL_FUNC) command_self);
 985   command_unbind("cumode", (SIGNAL_FUNC) command_self);
 986   command_unbind("users", (SIGNAL_FUNC) command_self);
 987   command_unbind("list", (SIGNAL_FUNC) command_self);
 988   command_unbind("oper", (SIGNAL_FUNC) command_self);
 989   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
 990   command_unbind("umode", (SIGNAL_FUNC) command_self);
 991   command_unbind("invite", (SIGNAL_FUNC) command_self);
 992   command_unbind("kill", (SIGNAL_FUNC) command_self);
 993   command_unbind("kick", (SIGNAL_FUNC) command_self);
 994   command_unbind("info", (SIGNAL_FUNC) command_self);
 995   command_unbind("ping", (SIGNAL_FUNC) command_self);
 996   command_unbind("motd", (SIGNAL_FUNC) command_self);
 997   command_unbind("ban", (SIGNAL_FUNC) command_self);
 998   command_unbind("close", (SIGNAL_FUNC) command_self);
 999   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1000   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1001   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1002   command_unbind("file", (SIGNAL_FUNC) command_file);
1003   command_unbind("detach", (SIGNAL_FUNC) command_self);
1004   command_unbind("watch", (SIGNAL_FUNC) command_self);
1005 }
1006
1007 void silc_server_free_ftp(SILC_SERVER_REC *server,
1008                           SilcClientEntry client_entry)
1009 {
1010   FtpSession ftp;
1011
1012   silc_dlist_start(server->ftp_sessions);
1013   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1014     if (ftp->client_entry == client_entry) {
1015       silc_dlist_del(server->ftp_sessions, ftp);
1016       silc_free(ftp->filepath);
1017       silc_free(ftp);
1018     }
1019   }
1020 }
1021
1022 bool silc_term_utf8(void)
1023 {
1024   const char *str;
1025   str = settings_get_str("term_type");
1026   if (str)
1027     if (g_strcasecmp(str, "utf-8") == 0)
1028       return TRUE;
1029   return FALSE;
1030 }