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 void silc_send_heartbeat(SilcSocketConnection sock,
 262                          void *hb_context)
 263 {
 264   SILC_SERVER_REC *server = SILC_SERVER(hb_context);
 265
 266   if (server == NULL)
 267     return;
 268
 269   silc_client_send_packet(silc_client, server->conn, SILC_PACKET_HEARTBEAT,
 270                           NULL, 0);
 271 }
 272
 273 static void sig_connected(SILC_SERVER_REC *server)
 274 {
 275   SilcClientConnection conn;
 276   SilcClientConnectionParams params;
 277   char file[256];
 278   int fd;
 279
 280   if (!IS_SILC_SERVER(server))
 281     return;
 282
 283   /* Try to read detached session data and use it if found. */
 284   memset(&params, 0, sizeof(params));
 285   memset(file, 0, sizeof(file));
 286   snprintf(file, sizeof(file) - 1, "%s/session", get_irssi_dir());
 287   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 288   if (params.detach_data)
 289     params.detach_data[params.detach_data_len] = 0;
 290
 291   /* Add connection to the client library */
 292   conn = silc_client_add_connection(silc_client, &params,
 293                                     server->connrec->address,
 294                                     server->connrec->port,
 295                                     server);
 296   server->conn = conn;
 297
 298   if (params.detach_data)
 299     keyboard_entry_redirect(NULL,
 300                             "-- Resuming old session, may take a while ...",
 301                             ENTRY_REDIRECT_FLAG_HIDDEN, server);
 302
 303   silc_free(params.detach_data);
 304   unlink(file);
 305
 306   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 307
 308   /* Start key exchange with the server */
 309   silc_client_start_key_exchange(silc_client, conn, fd);
 310
 311   /* Put default attributes */
 312   silc_query_attributes_default(silc_client, conn);
 313
 314   /* initialize heartbeat sending */
 315   if (settings_get_int("heartbeat") > 0)
 316     silc_socket_set_heartbeat(conn->sock, settings_get_int("heartbeat"),
 317                                 (void *)server,
 318                                 (SilcSocketConnectionHBCb)silc_send_heartbeat,
 319                                 silc_client->schedule);
 320
 321   server->ftp_sessions = silc_dlist_init();
 322   server->isnickflag = isnickflag_func;
 323   server->ischannel = ischannel_func;
 324   server->get_nick_flags = get_nick_flags;
 325   server->send_message = (void *) send_message;
 326 }
 327
 328 static void sig_disconnected(SILC_SERVER_REC *server)
 329 {
 330   if (!IS_SILC_SERVER(server))
 331     return;
 332
 333   silc_dlist_uninit(server->ftp_sessions);
 334
 335   if (server->conn && server->conn->sock != NULL) {
 336     silc_client_close_connection(silc_client, server->conn);
 337
 338     /* SILC closes the handle */
 339     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 340     net_sendbuffer_destroy(server->handle, FALSE);
 341     server->handle = NULL;
 342   }
 343 }
 344
 345 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 346 {
 347   SILC_SERVER_REC *server;
 348
 349   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 350   if (conn->address == NULL || *conn->address == '\0')
 351     return NULL;
 352   if (conn->nick == NULL || *conn->nick == '\0') {
 353     silc_say_error("Cannot connect: nickname is not set");
 354     return NULL;
 355   }
 356
 357   server = g_new0(SILC_SERVER_REC, 1);
 358   server->chat_type = SILC_PROTOCOL;
 359   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 360   server_connect_ref(conn);
 361
 362   if (server->connrec->port <= 0)
 363     server->connrec->port = 706;
 364
 365   server_connect_init((SERVER_REC *)server);
 366   return (SERVER_REC *)server;
 367 }
 368
 369 void silc_server_connect(SERVER_REC *server)
 370 {
 371   if (!server_start_connect(server)) {
 372     server_connect_unref(server->connrec);
 373     g_free(server);
 374     return;
 375   }
 376 }
 377
 378 /* Return a string of all channels in server in server->channels_join()
 379    format */
 380
 381 char *silc_server_get_channels(SILC_SERVER_REC *server)
 382 {
 383   GSList *tmp;
 384   GString *chans;
 385   char *ret;
 386
 387   g_return_val_if_fail(server != NULL, FALSE);
 388
 389   chans = g_string_new(NULL);
 390   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 391     CHANNEL_REC *channel = tmp->data;
 392
 393     g_string_sprintfa(chans, "%s,", channel->name);
 394   }
 395
 396   if (chans->len > 0)
 397     g_string_truncate(chans, chans->len-1);
 398
 399   ret = chans->str;
 400   g_string_free(chans, FALSE);
 401
 402   return ret;
 403 }
 404
 405 /* Syntaxes of all SILC commands for HELP files (the help file generation
 406    will snoop these from here). */
 407
 408 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 409 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 410 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 411 /* SYNTAX: GETKEY <nickname or server name> */
 412 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 413 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 414 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 415 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 416 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 417 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] [-pubkey] */
 418 /* SYNTAX: OPER <username> [-pubkey] */
 419 /* SYNTAX: SILCOPER <username> [-pubkey] */
 420 /* SYNTAX: TOPIC <channel> [<topic>] */
 421 /* SYNTAX: UMODE +|-<modes> */
 422 /* SYNTAX: WHOIS <nickname>[@<hostname>] [-details] [<count>] */
 423 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 424 /* SYNTAX: CLOSE <server> [<port>] */
 425 /* SYNTAX: SHUTDOWN */
 426 /* SYNTAX: MOTD [<server>] */
 427 /* SYNTAX: LIST [<channel>] */
 428 /* SYNTAX: ME <message> */
 429 /* SYNTAX: ACTION <channel> <message> */
 430 /* SYNTAX: AWAY [<message>] */
 431 /* SYNTAX: INFO [<server>] */
 432 /* SYNTAX: NICK <nickname> */
 433 /* SYNTAX: NOTICE <message> */
 434 /* SYNTAX: PART [<channel>] */
 435 /* SYNTAX: PING */
 436 /* SYNTAX: SCONNECT <server> [<port>] */
 437 /* SYNTAX: USERS <channel> */
 438 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] [-no-listener]*/
 439 /* SYNTAX: FILE ACCEPT [<nickname>] */
 440 /* SYNTAX: FILE CLOSE [<nickname>] */
 441 /* SYNTAX: FILE */
 442 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] */
 443 /* SYNTAX: DETACH */
 444 /* SYNTAX: WATCH [<-add | -del> <nickname>] */
 445 /* SYNTAX: STATS */
 446 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 447
 448 void silc_command_exec(SILC_SERVER_REC *server,
 449                        const char *command, const char *args)
 450 {
 451   char *data;
 452   g_return_if_fail(server != NULL);
 453
 454   /* Call the command */
 455   data = g_strconcat(command, " ", args, NULL);
 456   silc_client_command_call(silc_client, server->conn, data);
 457   g_free(data);
 458 }
 459
 460 /* Generic command function to call any SILC command directly. */
 461
 462 static void command_self(const char *data, SILC_SERVER_REC *server,
 463                          WI_ITEM_REC *item)
 464 {
 465   CMD_SILC_SERVER(server);
 466
 467   if (!IS_SILC_SERVER(server) || !server->connected) {
 468     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 469     return;
 470   }
 471
 472   if (IS_SILC_CHANNEL(item)) {
 473     SILC_CHANNEL_REC *chanrec;
 474     chanrec = silc_channel_find(server, item->visible_name);
 475     if (chanrec)
 476       server->conn->current_channel = chanrec->entry;
 477   }
 478
 479   silc_command_exec(server, current_command, data);
 480   signal_stop();
 481 }
 482
 483 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 484    has CONNECT command for other purposes. */
 485
 486 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 487 {
 488   CMD_SILC_SERVER(server);
 489   if (!IS_SILC_SERVER(server) || !server->connected) {
 490     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 491     return;
 492   }
 493
 494   silc_command_exec(server, "CONNECT", data);
 495   signal_stop();
 496 }
 497
 498 /* FILE command */
 499
 500 SILC_TASK_CALLBACK(silc_client_file_close_later)
 501 {
 502   FtpSession ftp = (FtpSession)context;
 503
 504   SILC_LOG_DEBUG(("Start"));
 505
 506   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 507   silc_free(ftp->filepath);
 508   silc_free(ftp);
 509 }
 510
 511 static void silc_client_file_monitor(SilcClient client,
 512                                      SilcClientConnection conn,
 513                                      SilcClientMonitorStatus status,
 514                                      SilcClientFileError error,
 515                                      SilcUInt64 offset,
 516                                      SilcUInt64 filesize,
 517                                      SilcClientEntry client_entry,
 518                                      SilcUInt32 session_id,
 519                                      const char *filepath,
 520                                      void *context)
 521 {
 522   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 523   FtpSession ftp;
 524   char fsize[32];
 525
 526   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 527
 528   silc_dlist_start(server->ftp_sessions);
 529   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 530     if (ftp->session_id == session_id) {
 531       if (!ftp->filepath && filepath)
 532         ftp->filepath = strdup(filepath);
 533       break;
 534     }
 535   }
 536
 537   if (ftp == SILC_LIST_END)
 538     return;
 539
 540   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 541     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 542       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 543                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 544                          client_entry->nickname,
 545                          filepath ? filepath : "[N/A]");
 546     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 547       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 548                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 549                          client_entry->nickname);
 550     else
 551       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 552                          SILCTXT_FILE_ERROR, client_entry->nickname);
 553     silc_schedule_task_add(silc_client->schedule, 0,
 554                            silc_client_file_close_later, ftp,
 555                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 556     if (ftp == server->current_session)
 557       server->current_session = NULL;
 558     silc_dlist_del(server->ftp_sessions, ftp);
 559   }
 560
 561   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 562     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 563                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 564   }
 565
 566   /* Save some transmission data */
 567   if (offset && filesize) {
 568     unsigned long delta = time(NULL) - ftp->starttime;
 569
 570     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 571     if (delta)
 572       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 573     else
 574       ftp->kps = (double)(offset + 1023) / (double)1024;
 575     ftp->offset = offset;
 576     ftp->filesize = filesize;
 577   }
 578
 579   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 580     if (offset == 0) {
 581       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 582                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 583                          client_entry->nickname);
 584       ftp->starttime = time(NULL);
 585     }
 586     if (offset == filesize) {
 587       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 588                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 589                          client_entry->nickname, ftp->kps);
 590       silc_schedule_task_add(silc_client->schedule, 0,
 591                              silc_client_file_close_later, ftp,
 592                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 593       if (ftp == server->current_session)
 594         server->current_session = NULL;
 595       silc_dlist_del(server->ftp_sessions, ftp);
 596     }
 597   }
 598
 599   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 600     if (offset == 0) {
 601       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 602                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 603                          client_entry->nickname);
 604       ftp->starttime = time(NULL);
 605     }
 606
 607     if (offset == filesize) {
 608       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 609                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 610                          client_entry->nickname, ftp->kps);
 611       silc_schedule_task_add(silc_client->schedule, 0,
 612                              silc_client_file_close_later, ftp,
 613                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 614       if (ftp == server->current_session)
 615         server->current_session = NULL;
 616       silc_dlist_del(server->ftp_sessions, ftp);
 617     }
 618   }
 619 }
 620
 621 typedef struct {
 622   SILC_SERVER_REC *server;
 623   char *data;
 624   char *nick;
 625   WI_ITEM_REC *item;
 626 } *FileGetClients;
 627
 628 static void silc_client_command_file_get_clients(SilcClient client,
 629                                                  SilcClientConnection conn,
 630                                                  SilcClientEntry *clients,
 631                                                  SilcUInt32 clients_count,
 632                                                  void *context)
 633 {
 634   FileGetClients internal = (FileGetClients)context;
 635
 636   if (!clients) {
 637     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 638               internal->nick);
 639     silc_free(internal->data);
 640     silc_free(internal->nick);
 641     silc_free(internal);
 642     return;
 643   }
 644
 645   signal_emit("command file", 3, internal->data, internal->server,
 646               internal->item);
 647
 648   silc_free(internal->data);
 649   silc_free(internal->nick);
 650   silc_free(internal);
 651 }
 652
 653 static void command_file(const char *data, SILC_SERVER_REC *server,
 654                          WI_ITEM_REC *item)
 655 {
 656   SilcClientConnection conn;
 657   SilcClientEntry *entrys, client_entry;
 658   SilcClientFileError ret;
 659   SilcUInt32 entry_count;
 660   char *nickname = NULL, *tmp;
 661   unsigned char **argv;
 662   SilcUInt32 argc;
 663   SilcUInt32 *argv_lens, *argv_types;
 664   int type = 0;
 665   FtpSession ftp;
 666   char *local_ip = NULL;
 667   SilcUInt32 local_port = 0;
 668   SilcUInt32 session_id;
 669   bool do_not_bind = FALSE;
 670
 671   CMD_SILC_SERVER(server);
 672   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 673     cmd_return_error(CMDERR_NOT_CONNECTED);
 674
 675   conn = server->conn;
 676
 677   /* Now parse all arguments */
 678   tmp = g_strconcat("FILE", " ", data, NULL);
 679   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
 680   g_free(tmp);
 681
 682   if (argc == 1)
 683     type = 4;
 684
 685   if (argc >= 2) {
 686     if (!strcasecmp(argv[1], "send"))
 687       type = 1;
 688     if (!strcasecmp(argv[1], "accept"))
 689       type = 2;
 690     if (!strcasecmp(argv[1], "close"))
 691       type = 3;
 692   }
 693
 694   if (type == 0)
 695     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 696
 697   switch (type) {
 698   case 1:
 699     if (argc < 4)
 700       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 701
 702     /* Parse the typed nickname. */
 703     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 704       printformat_module("fe-common/silc", server, NULL,
 705                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 706       goto out;
 707     }
 708
 709     /* Find client entry */
 710     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 711                                            argv[3], &entry_count);
 712     if (!entrys) {
 713       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 714       inter->server = server;
 715       inter->data = strdup(data);
 716       inter->nick = strdup(nickname);
 717       inter->item = item;
 718       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 719                               silc_client_command_file_get_clients, inter);
 720       goto out;
 721     }
 722     client_entry = entrys[0];
 723     silc_free(entrys);
 724
 725     if (argc >= 5) {
 726       if (!strcasecmp(argv[4], "-no-listener"))
 727         do_not_bind = TRUE;
 728       else
 729         local_ip = argv[4];
 730     }
 731     if (argc >= 6) {
 732       if (!strcasecmp(argv[5], "-no-listener"))
 733         do_not_bind = TRUE;
 734       else
 735         local_port = atoi(argv[5]);
 736     }
 737     if (argc >= 7) {
 738       if (!strcasecmp(argv[6], "-no-listener"))
 739         do_not_bind = TRUE;
 740     }
 741
 742     ret =
 743       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 744                             server, local_ip, local_port, do_not_bind,
 745                             client_entry, argv[2], &session_id);
 746     if (ret == SILC_CLIENT_FILE_OK) {
 747       ftp = silc_calloc(1, sizeof(*ftp));
 748       ftp->session_id = session_id;
 749
 750       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 751                          SILCTXT_FILE_SEND, client_entry->nickname,
 752                          argv[2]);
 753
 754       ftp->client_entry = client_entry;
 755       ftp->filepath = strdup(argv[2]);
 756       ftp->conn = conn;
 757       ftp->send = TRUE;
 758       silc_dlist_add(server->ftp_sessions, ftp);
 759       server->current_session = ftp;
 760     } else {
 761       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 762         printformat_module("fe-common/silc", server, NULL,
 763                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 764                            client_entry->nickname);
 765       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 766         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 767                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 768                            client_entry->nickname, argv[2]);
 769     }
 770
 771     break;
 772
 773   case 2:
 774     /* Parse the typed nickname. */
 775     if (argc >= 3) {
 776       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 777         printformat_module("fe-common/silc", server, NULL,
 778                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 779         goto out;
 780       }
 781
 782       /* Find client entry */
 783       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 784                                              argv[2], &entry_count);
 785       if (!entrys) {
 786         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 787         inter->server = server;
 788         inter->data = strdup(data);
 789         inter->nick = strdup(nickname);
 790         inter->item = item;
 791         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 792                                 silc_client_command_file_get_clients, inter);
 793         goto out;
 794       }
 795       client_entry = entrys[0];
 796       silc_free(entrys);
 797     } else {
 798       if (!server->current_session) {
 799         printformat_module("fe-common/silc", server, NULL,
 800                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 801         goto out;
 802       }
 803
 804       ret = silc_client_file_receive(silc_client, conn,
 805                                      silc_client_file_monitor, server, NULL,
 806                                      server->current_session->session_id);
 807       if (ret != SILC_CLIENT_FILE_OK) {
 808         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 809           printformat_module("fe-common/silc", server, NULL,
 810                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 811                              server->current_session->client_entry->nickname);
 812         else
 813           printformat_module("fe-common/silc", server, NULL,
 814                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 815                              server->current_session->client_entry->nickname);
 816       }
 817
 818       goto out;
 819     }
 820
 821     silc_dlist_start(server->ftp_sessions);
 822     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 823       if (ftp->client_entry == client_entry && !ftp->filepath) {
 824         ret = silc_client_file_receive(silc_client, conn,
 825                                        silc_client_file_monitor, server,
 826                                        NULL, ftp->session_id);
 827         if (ret != SILC_CLIENT_FILE_OK) {
 828           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 829             printformat_module("fe-common/silc", server, NULL,
 830                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 831                                client_entry->nickname);
 832           else
 833             printformat_module("fe-common/silc", server, NULL,
 834                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 835                                client_entry->nickname);
 836         }
 837         break;
 838       }
 839     }
 840
 841     if (ftp == SILC_LIST_END) {
 842       printformat_module("fe-common/silc", server, NULL,
 843                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 844                          client_entry->nickname);
 845       goto out;
 846     }
 847     break;
 848
 849   case 3:
 850     /* Parse the typed nickname. */
 851     if (argc >= 3) {
 852       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 853         printformat_module("fe-common/silc", server, NULL,
 854                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 855         goto out;
 856       }
 857
 858       /* Find client entry */
 859       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 860                                              argv[2], &entry_count);
 861       if (!entrys) {
 862         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 863         inter->server = server;
 864         inter->data = strdup(data);
 865         inter->nick = strdup(nickname);
 866         inter->item = item;
 867         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 868                                 silc_client_command_file_get_clients, inter);
 869         goto out;
 870       }
 871       client_entry = entrys[0];
 872       silc_free(entrys);
 873     } else {
 874       if (!server->current_session) {
 875         printformat_module("fe-common/silc", server, NULL,
 876                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 877         goto out;
 878       }
 879
 880       silc_client_file_close(silc_client, conn,
 881                              server->current_session->session_id);
 882       printformat_module("fe-common/silc", server, NULL,
 883                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 884                          server->current_session->client_entry->nickname,
 885                          server->current_session->filepath ?
 886                          server->current_session->filepath : "[N/A]");
 887       silc_dlist_del(server->ftp_sessions, server->current_session);
 888       silc_free(server->current_session->filepath);
 889       silc_free(server->current_session);
 890       server->current_session = NULL;
 891       goto out;
 892     }
 893
 894     silc_dlist_start(server->ftp_sessions);
 895     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 896       if (ftp->client_entry == client_entry) {
 897         silc_client_file_close(silc_client, conn, ftp->session_id);
 898         printformat_module("fe-common/silc", server, NULL,
 899                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 900                            client_entry->nickname,
 901                            ftp->filepath ? ftp->filepath : "[N/A]");
 902         if (ftp == server->current_session)
 903           server->current_session = NULL;
 904         silc_dlist_del(server->ftp_sessions, ftp);
 905         silc_free(ftp->filepath);
 906         silc_free(ftp);
 907         break;
 908       }
 909     }
 910
 911     if (ftp == SILC_LIST_END) {
 912       printformat_module("fe-common/silc", server, NULL,
 913                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 914                          client_entry->nickname);
 915       goto out;
 916     }
 917     break;
 918
 919   case 4:
 920
 921     if (!silc_dlist_count(server->ftp_sessions)) {
 922       printformat_module("fe-common/silc", server, NULL,
 923                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 924       goto out;
 925     }
 926
 927     printformat_module("fe-common/silc", server, NULL,
 928                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 929
 930     silc_dlist_start(server->ftp_sessions);
 931     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 932       printformat_module("fe-common/silc", server, NULL,
 933                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 934                          ftp->client_entry->nickname,
 935                          ftp->send ? "send" : "receive",
 936                          (SilcUInt32)(ftp->offset + 1023) / 1024,
 937                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
 938                          ftp->percent, ftp->kps,
 939                          ftp->filepath ? ftp->filepath : "[N/A]");
 940     }
 941
 942     break;
 943
 944   default:
 945     break;
 946   }
 947
 948  out:
 949   silc_free(nickname);
 950 }
 951
 952 void silc_server_init(void)
 953 {
 954   silc_servers_reconnect_init();
 955
 956   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 957   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 958   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
 959   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 960   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 961   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 962   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 963   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 964   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 965   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 966   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 967   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 968   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 969   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 970   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 971   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 972   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 973   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 974   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 975   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 976   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 977   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 978   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 979   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 980   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 981   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 982   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
 983   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
 984   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
 985   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
 986
 987   command_set_options("connect", "+silcnet");
 988 }
 989
 990 void silc_server_deinit(void)
 991 {
 992   silc_servers_reconnect_deinit();
 993
 994   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 995   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 996   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
 997   command_unbind("whois", (SIGNAL_FUNC) command_self);
 998   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 999   command_unbind("nick", (SIGNAL_FUNC) command_self);
1000   command_unbind("topic", (SIGNAL_FUNC) command_self);
1001   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1002   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1003   command_unbind("users", (SIGNAL_FUNC) command_self);
1004   command_unbind("list", (SIGNAL_FUNC) command_self);
1005   command_unbind("oper", (SIGNAL_FUNC) command_self);
1006   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1007   command_unbind("umode", (SIGNAL_FUNC) command_self);
1008   command_unbind("invite", (SIGNAL_FUNC) command_self);
1009   command_unbind("kill", (SIGNAL_FUNC) command_self);
1010   command_unbind("kick", (SIGNAL_FUNC) command_self);
1011   command_unbind("info", (SIGNAL_FUNC) command_self);
1012   command_unbind("ping", (SIGNAL_FUNC) command_self);
1013   command_unbind("motd", (SIGNAL_FUNC) command_self);
1014   command_unbind("ban", (SIGNAL_FUNC) command_self);
1015   command_unbind("close", (SIGNAL_FUNC) command_self);
1016   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1017   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1018   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1019   command_unbind("file", (SIGNAL_FUNC) command_file);
1020   command_unbind("detach", (SIGNAL_FUNC) command_self);
1021   command_unbind("watch", (SIGNAL_FUNC) command_self);
1022   command_unbind("stats", (SIGNAL_FUNC) command_self);
1023   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1024 }
1025
1026 void silc_server_free_ftp(SILC_SERVER_REC *server,
1027                           SilcClientEntry client_entry)
1028 {
1029   FtpSession ftp;
1030
1031   silc_dlist_start(server->ftp_sessions);
1032   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1033     if (ftp->client_entry == client_entry) {
1034       silc_dlist_del(server->ftp_sessions, ftp);
1035       silc_free(ftp->filepath);
1036       silc_free(ftp);
1037     }
1038   }
1039 }
1040
1041 bool silc_term_utf8(void)
1042 {
1043   const char *str;
1044   str = settings_get_str("term_type");
1045   if (str)
1046     if (g_strcasecmp(str, "utf-8") == 0)
1047       return TRUE;
1048   return FALSE;
1049 }