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_packet_send(silc_client, sock, SILC_PACKET_HEARTBEAT, 0,
 270                           NULL, 0, FALSE);
 271
 272 }
 273
 274 static void sig_connected(SILC_SERVER_REC *server)
 275 {
 276   SilcClientConnection conn;
 277   SilcClientConnectionParams params;
 278   char file[256];
 279   int fd;
 280
 281   if (!IS_SILC_SERVER(server))
 282     return;
 283
 284   /* Try to read detached session data and use it if found. */
 285   memset(&params, 0, sizeof(params));
 286   memset(file, 0, sizeof(file));
 287   snprintf(file, sizeof(file) - 1, "%s/session", get_irssi_dir());
 288   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 289   if (params.detach_data)
 290     params.detach_data[params.detach_data_len] = 0;
 291
 292   /* Add connection to the client library */
 293   conn = silc_client_add_connection(silc_client, &params,
 294                                     server->connrec->address,
 295                                     server->connrec->port,
 296                                     server);
 297   server->conn = conn;
 298
 299   if (params.detach_data)
 300     keyboard_entry_redirect(NULL,
 301                             "-- Resuming old session, may take a while ...",
 302                             ENTRY_REDIRECT_FLAG_HIDDEN, server);
 303
 304   silc_free(params.detach_data);
 305   unlink(file);
 306
 307   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 308
 309   /* Start key exchange with the server */
 310   silc_client_start_key_exchange(silc_client, conn, fd);
 311
 312   /* Put default attributes */
 313   silc_query_attributes_default(silc_client, conn);
 314
 315   /* initialize heartbeat sending */
 316   if (settings_get_int("heartbeat") > 0)
 317     silc_socket_set_heartbeat(conn->sock, settings_get_int("heartbeat"),
 318                                 (void *)server,
 319                                 (SilcSocketConnectionHBCb)silc_send_heartbeat,
 320                                 silc_client->schedule);
 321
 322   server->ftp_sessions = silc_dlist_init();
 323   server->isnickflag = isnickflag_func;
 324   server->ischannel = ischannel_func;
 325   server->get_nick_flags = get_nick_flags;
 326   server->send_message = (void *) send_message;
 327 }
 328
 329 static void sig_disconnected(SILC_SERVER_REC *server)
 330 {
 331   if (!IS_SILC_SERVER(server))
 332     return;
 333
 334   silc_dlist_uninit(server->ftp_sessions);
 335
 336   if (server->conn && server->conn->sock != NULL) {
 337     silc_client_close_connection(silc_client, server->conn);
 338
 339     /* SILC closes the handle */
 340     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 341     net_sendbuffer_destroy(server->handle, FALSE);
 342     server->handle = NULL;
 343   }
 344 }
 345
 346 SERVER_REC *silc_server_init_connect(SERVER_CONNECT_REC *conn)
 347 {
 348   SILC_SERVER_REC *server;
 349
 350   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 351   if (conn->address == NULL || *conn->address == '\0')
 352     return NULL;
 353   if (conn->nick == NULL || *conn->nick == '\0') {
 354     silc_say_error("Cannot connect: nickname is not set");
 355     return NULL;
 356   }
 357
 358   server = g_new0(SILC_SERVER_REC, 1);
 359   server->chat_type = SILC_PROTOCOL;
 360   server->connrec = (SILC_SERVER_CONNECT_REC *)conn;
 361   server_connect_ref(conn);
 362
 363   if (server->connrec->port <= 0)
 364     server->connrec->port = 706;
 365
 366   server_connect_init((SERVER_REC *)server);
 367   return (SERVER_REC *)server;
 368 }
 369
 370 void silc_server_connect(SERVER_REC *server)
 371 {
 372   if (!server_start_connect(server)) {
 373     server_connect_unref(server->connrec);
 374     g_free(server);
 375     return;
 376   }
 377 }
 378
 379 /* Return a string of all channels in server in server->channels_join()
 380    format */
 381
 382 char *silc_server_get_channels(SILC_SERVER_REC *server)
 383 {
 384   GSList *tmp;
 385   GString *chans;
 386   char *ret;
 387
 388   g_return_val_if_fail(server != NULL, FALSE);
 389
 390   chans = g_string_new(NULL);
 391   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 392     CHANNEL_REC *channel = tmp->data;
 393
 394     g_string_sprintfa(chans, "%s,", channel->name);
 395   }
 396
 397   if (chans->len > 0)
 398     g_string_truncate(chans, chans->len-1);
 399
 400   ret = chans->str;
 401   g_string_free(chans, FALSE);
 402
 403   return ret;
 404 }
 405
 406 /* Syntaxes of all SILC commands for HELP files (the help file generation
 407    will snoop these from here). */
 408
 409 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 410 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 411 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] */
 412 /* SYNTAX: GETKEY <nickname or server name> */
 413 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 414 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 415 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 416 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 417 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 418 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] */
 419 /* SYNTAX: OPER <username> [-pubkey] */
 420 /* SYNTAX: SILCOPER <username> [-pubkey] */
 421 /* SYNTAX: TOPIC <channel> [<topic>] */
 422 /* SYNTAX: UMODE +|-<modes> */
 423 /* SYNTAX: WHOIS <nickname>[@<hostname>] [-details] [<count>] */
 424 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 425 /* SYNTAX: CLOSE <server> [<port>] */
 426 /* SYNTAX: SHUTDOWN */
 427 /* SYNTAX: MOTD [<server>] */
 428 /* SYNTAX: LIST [<channel>] */
 429 /* SYNTAX: ME <message> */
 430 /* SYNTAX: ACTION <channel> <message> */
 431 /* SYNTAX: AWAY [<message>] */
 432 /* SYNTAX: INFO [<server>] */
 433 /* SYNTAX: NICK <nickname> */
 434 /* SYNTAX: NOTICE <message> */
 435 /* SYNTAX: PART [<channel>] */
 436 /* SYNTAX: PING */
 437 /* SYNTAX: SCONNECT <server> [<port>] */
 438 /* SYNTAX: USERS <channel> */
 439 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] */
 440 /* SYNTAX: FILE RECEIVE [<nickname>] */
 441 /* SYNTAX: FILE CLOSE [<nickname>] */
 442 /* SYNTAX: FILE */
 443 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder] */
 444 /* SYNTAX: DETACH */
 445 /* SYNTAX: WATCH [<-add | -del> <nickname>] */
 446 /* SYNTAX: STATS */
 447 /* SYNTAX: ATTR [<-del> <option> [{ <value>}]] */
 448
 449 void silc_command_exec(SILC_SERVER_REC *server,
 450                        const char *command, const char *args)
 451 {
 452   SilcUInt32 argc = 0;
 453   unsigned char **argv;
 454   SilcUInt32 *argv_lens, *argv_types;
 455   char *data, *tmpcmd;
 456   SilcClientCommand cmd;
 457   SilcClientCommandContext ctx;
 458
 459   g_return_if_fail(server != NULL);
 460
 461   tmpcmd = g_strdup(command);
 462   g_strup(tmpcmd);
 463   cmd = silc_client_command_find(silc_client, tmpcmd);
 464   g_free(tmpcmd);
 465   if (cmd == NULL)
 466     return;
 467
 468   /* Now parse all arguments */
 469   data = g_strconcat(command, " ", args, NULL);
 470   silc_parse_command_line(data, &argv, &argv_lens,
 471                           &argv_types, &argc, cmd->max_args);
 472   g_free(data);
 473
 474   /* Allocate command context. This and its internals must be free'd
 475      by the command routine receiving it. */
 476   ctx = silc_client_command_alloc();
 477   ctx->client = silc_client;
 478   ctx->conn = server->conn;
 479   ctx->command = cmd;
 480   ctx->argc = argc;
 481   ctx->argv = argv;
 482   ctx->argv_lens = argv_lens;
 483   ctx->argv_types = argv_types;
 484
 485   /* Execute command */
 486   silc_client_command_call(cmd, ctx);
 487 }
 488
 489 /* Generic command function to call any SILC command directly. */
 490
 491 static void command_self(const char *data, SILC_SERVER_REC *server,
 492                          WI_ITEM_REC *item)
 493 {
 494   CMD_SILC_SERVER(server);
 495
 496   if (!IS_SILC_SERVER(server) || !server->connected) {
 497     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 498     return;
 499   }
 500
 501   if (IS_SILC_CHANNEL(item)) {
 502     SILC_CHANNEL_REC *chanrec;
 503     chanrec = silc_channel_find(server, item->visible_name);
 504     if (chanrec)
 505       server->conn->current_channel = chanrec->entry;
 506   }
 507
 508   silc_command_exec(server, current_command, data);
 509   signal_stop();
 510 }
 511
 512 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 513    has CONNECT command for other purposes. */
 514
 515 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 516 {
 517   CMD_SILC_SERVER(server);
 518   if (!IS_SILC_SERVER(server) || !server->connected) {
 519     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 520     return;
 521   }
 522
 523   silc_command_exec(server, "CONNECT", data);
 524   signal_stop();
 525 }
 526
 527 /* FILE command */
 528
 529 SILC_TASK_CALLBACK(silc_client_file_close_later)
 530 {
 531   FtpSession ftp = (FtpSession)context;
 532
 533   SILC_LOG_DEBUG(("Start"));
 534
 535   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 536   silc_free(ftp->filepath);
 537   silc_free(ftp);
 538 }
 539
 540 static void silc_client_file_monitor(SilcClient client,
 541                                      SilcClientConnection conn,
 542                                      SilcClientMonitorStatus status,
 543                                      SilcClientFileError error,
 544                                      SilcUInt64 offset,
 545                                      SilcUInt64 filesize,
 546                                      SilcClientEntry client_entry,
 547                                      SilcUInt32 session_id,
 548                                      const char *filepath,
 549                                      void *context)
 550 {
 551   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 552   FtpSession ftp;
 553   char fsize[32];
 554
 555   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 556
 557   silc_dlist_start(server->ftp_sessions);
 558   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 559     if (ftp->session_id == session_id) {
 560       if (!ftp->filepath && filepath)
 561         ftp->filepath = strdup(filepath);
 562       break;
 563     }
 564   }
 565
 566   if (ftp == SILC_LIST_END)
 567     return;
 568
 569   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 570     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 571       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 572                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 573                          client_entry->nickname,
 574                          filepath ? filepath : "[N/A]");
 575     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 576       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 577                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 578                          client_entry->nickname);
 579     else
 580       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 581                          SILCTXT_FILE_ERROR, client_entry->nickname);
 582     silc_schedule_task_add(silc_client->schedule, 0,
 583                            silc_client_file_close_later, ftp,
 584                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 585     if (ftp == server->current_session)
 586       server->current_session = NULL;
 587     silc_dlist_del(server->ftp_sessions, ftp);
 588   }
 589
 590   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 591     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 592                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 593   }
 594
 595   /* Save some transmission data */
 596   if (offset && filesize) {
 597     unsigned long delta = time(NULL) - ftp->starttime;
 598
 599     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 600     if (delta)
 601       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 602     else
 603       ftp->kps = (double)(offset + 1023) / (double)1024;
 604     ftp->offset = offset;
 605     ftp->filesize = filesize;
 606   }
 607
 608   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 609     if (offset == 0) {
 610       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 611                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 612                          client_entry->nickname);
 613       ftp->starttime = time(NULL);
 614     }
 615     if (offset == filesize) {
 616       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 617                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 618                          client_entry->nickname, ftp->kps);
 619       silc_schedule_task_add(silc_client->schedule, 0,
 620                              silc_client_file_close_later, ftp,
 621                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 622       if (ftp == server->current_session)
 623         server->current_session = NULL;
 624       silc_dlist_del(server->ftp_sessions, ftp);
 625     }
 626   }
 627
 628   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 629     if (offset == 0) {
 630       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 631                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 632                          client_entry->nickname);
 633       ftp->starttime = time(NULL);
 634     }
 635
 636     if (offset == filesize) {
 637       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 638                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 639                          client_entry->nickname, ftp->kps);
 640       silc_schedule_task_add(silc_client->schedule, 0,
 641                              silc_client_file_close_later, ftp,
 642                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 643       if (ftp == server->current_session)
 644         server->current_session = NULL;
 645       silc_dlist_del(server->ftp_sessions, ftp);
 646     }
 647   }
 648 }
 649
 650 typedef struct {
 651   SILC_SERVER_REC *server;
 652   char *data;
 653   char *nick;
 654   WI_ITEM_REC *item;
 655 } *FileGetClients;
 656
 657 static void silc_client_command_file_get_clients(SilcClient client,
 658                                                  SilcClientConnection conn,
 659                                                  SilcClientEntry *clients,
 660                                                  SilcUInt32 clients_count,
 661                                                  void *context)
 662 {
 663   FileGetClients internal = (FileGetClients)context;
 664
 665   if (!clients) {
 666     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 667               internal->nick);
 668     silc_free(internal->data);
 669     silc_free(internal->nick);
 670     silc_free(internal);
 671     return;
 672   }
 673
 674   signal_emit("command file", 3, internal->data, internal->server,
 675               internal->item);
 676
 677   silc_free(internal->data);
 678   silc_free(internal->nick);
 679   silc_free(internal);
 680 }
 681
 682 static void command_file(const char *data, SILC_SERVER_REC *server,
 683                          WI_ITEM_REC *item)
 684 {
 685   SilcClientConnection conn;
 686   SilcClientEntry *entrys, client_entry;
 687   SilcClientFileError ret;
 688   SilcUInt32 entry_count;
 689   char *nickname = NULL, *tmp;
 690   unsigned char **argv;
 691   SilcUInt32 argc;
 692   SilcUInt32 *argv_lens, *argv_types;
 693   int type = 0;
 694   FtpSession ftp;
 695   char *local_ip = NULL;
 696   SilcUInt32 local_port = 0;
 697   SilcUInt32 session_id;
 698
 699   CMD_SILC_SERVER(server);
 700   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 701     cmd_return_error(CMDERR_NOT_CONNECTED);
 702
 703   conn = server->conn;
 704
 705   /* Now parse all arguments */
 706   tmp = g_strconcat("FILE", " ", data, NULL);
 707   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 708   g_free(tmp);
 709
 710   if (argc == 1)
 711     type = 4;
 712
 713   if (argc >= 2) {
 714     if (!strcasecmp(argv[1], "send"))
 715       type = 1;
 716     if (!strcasecmp(argv[1], "receive"))
 717       type = 2;
 718     if (!strcasecmp(argv[1], "close"))
 719       type = 3;
 720   }
 721
 722   if (type == 0)
 723     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 724
 725   switch (type) {
 726   case 1:
 727     if (argc < 4)
 728       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 729
 730     /* Parse the typed nickname. */
 731     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 732       printformat_module("fe-common/silc", server, NULL,
 733                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 734       goto out;
 735     }
 736
 737     /* Find client entry */
 738     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 739                                            argv[3], &entry_count);
 740     if (!entrys) {
 741       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 742       inter->server = server;
 743       inter->data = strdup(data);
 744       inter->nick = strdup(nickname);
 745       inter->item = item;
 746       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 747                               silc_client_command_file_get_clients, inter);
 748       goto out;
 749     }
 750     client_entry = entrys[0];
 751     silc_free(entrys);
 752
 753     if (argc >= 5)
 754       local_ip = argv[4];
 755     if (argc >= 6)
 756       local_port = atoi(argv[5]);
 757
 758     ret =
 759       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 760                             server, local_ip, local_port,
 761                             client_entry, argv[2], &session_id);
 762     if (ret == SILC_CLIENT_FILE_OK) {
 763       ftp = silc_calloc(1, sizeof(*ftp));
 764       ftp->session_id = session_id;
 765
 766       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 767                          SILCTXT_FILE_SEND, client_entry->nickname,
 768                          argv[2]);
 769
 770       ftp->client_entry = client_entry;
 771       ftp->filepath = strdup(argv[2]);
 772       ftp->conn = conn;
 773       ftp->send = TRUE;
 774       silc_dlist_add(server->ftp_sessions, ftp);
 775       server->current_session = ftp;
 776     } else {
 777       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 778         printformat_module("fe-common/silc", server, NULL,
 779                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 780                            client_entry->nickname);
 781       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 782         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 783                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 784                            client_entry->nickname, argv[2]);
 785     }
 786
 787     break;
 788
 789   case 2:
 790     /* Parse the typed nickname. */
 791     if (argc >= 3) {
 792       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 793         printformat_module("fe-common/silc", server, NULL,
 794                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 795         goto out;
 796       }
 797
 798       /* Find client entry */
 799       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 800                                              argv[2], &entry_count);
 801       if (!entrys) {
 802         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 803         inter->server = server;
 804         inter->data = strdup(data);
 805         inter->nick = strdup(nickname);
 806         inter->item = item;
 807         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 808                                 silc_client_command_file_get_clients, inter);
 809         goto out;
 810       }
 811       client_entry = entrys[0];
 812       silc_free(entrys);
 813     } else {
 814       if (!server->current_session) {
 815         printformat_module("fe-common/silc", server, NULL,
 816                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 817         goto out;
 818       }
 819
 820       ret = silc_client_file_receive(silc_client, conn,
 821                                      silc_client_file_monitor, server, NULL,
 822                                      server->current_session->session_id);
 823       if (ret != SILC_CLIENT_FILE_OK) {
 824         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 825           printformat_module("fe-common/silc", server, NULL,
 826                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 827                              server->current_session->client_entry->nickname);
 828         else
 829           printformat_module("fe-common/silc", server, NULL,
 830                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 831                              server->current_session->client_entry->nickname);
 832       }
 833
 834       goto out;
 835     }
 836
 837     silc_dlist_start(server->ftp_sessions);
 838     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 839       if (ftp->client_entry == client_entry && !ftp->filepath) {
 840         ret = silc_client_file_receive(silc_client, conn,
 841                                        silc_client_file_monitor, server,
 842                                        NULL, ftp->session_id);
 843         if (ret != SILC_CLIENT_FILE_OK) {
 844           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 845             printformat_module("fe-common/silc", server, NULL,
 846                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 847                                client_entry->nickname);
 848           else
 849             printformat_module("fe-common/silc", server, NULL,
 850                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 851                                client_entry->nickname);
 852         }
 853         break;
 854       }
 855     }
 856
 857     if (ftp == SILC_LIST_END) {
 858       printformat_module("fe-common/silc", server, NULL,
 859                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 860                          client_entry->nickname);
 861       goto out;
 862     }
 863     break;
 864
 865   case 3:
 866     /* Parse the typed nickname. */
 867     if (argc >= 3) {
 868       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 869         printformat_module("fe-common/silc", server, NULL,
 870                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 871         goto out;
 872       }
 873
 874       /* Find client entry */
 875       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 876                                              argv[2], &entry_count);
 877       if (!entrys) {
 878         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 879         inter->server = server;
 880         inter->data = strdup(data);
 881         inter->nick = strdup(nickname);
 882         inter->item = item;
 883         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 884                                 silc_client_command_file_get_clients, inter);
 885         goto out;
 886       }
 887       client_entry = entrys[0];
 888       silc_free(entrys);
 889     } else {
 890       if (!server->current_session) {
 891         printformat_module("fe-common/silc", server, NULL,
 892                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 893         goto out;
 894       }
 895
 896       silc_client_file_close(silc_client, conn,
 897                              server->current_session->session_id);
 898       printformat_module("fe-common/silc", server, NULL,
 899                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 900                          server->current_session->client_entry->nickname,
 901                          server->current_session->filepath ?
 902                          server->current_session->filepath : "[N/A]");
 903       silc_dlist_del(server->ftp_sessions, server->current_session);
 904       silc_free(server->current_session->filepath);
 905       silc_free(server->current_session);
 906       server->current_session = NULL;
 907       goto out;
 908     }
 909
 910     silc_dlist_start(server->ftp_sessions);
 911     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 912       if (ftp->client_entry == client_entry) {
 913         silc_client_file_close(silc_client, conn, ftp->session_id);
 914         printformat_module("fe-common/silc", server, NULL,
 915                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 916                            client_entry->nickname,
 917                            ftp->filepath ? ftp->filepath : "[N/A]");
 918         if (ftp == server->current_session)
 919           server->current_session = NULL;
 920         silc_dlist_del(server->ftp_sessions, ftp);
 921         silc_free(ftp->filepath);
 922         silc_free(ftp);
 923         break;
 924       }
 925     }
 926
 927     if (ftp == SILC_LIST_END) {
 928       printformat_module("fe-common/silc", server, NULL,
 929                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 930                          client_entry->nickname);
 931       goto out;
 932     }
 933     break;
 934
 935   case 4:
 936
 937     if (!silc_dlist_count(server->ftp_sessions)) {
 938       printformat_module("fe-common/silc", server, NULL,
 939                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 940       goto out;
 941     }
 942
 943     printformat_module("fe-common/silc", server, NULL,
 944                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 945
 946     silc_dlist_start(server->ftp_sessions);
 947     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 948       printformat_module("fe-common/silc", server, NULL,
 949                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 950                          ftp->client_entry->nickname,
 951                          ftp->send ? "send" : "receive",
 952                          (SilcUInt32)(ftp->offset + 1023) / 1024,
 953                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
 954                          ftp->percent, ftp->kps,
 955                          ftp->filepath ? ftp->filepath : "[N/A]");
 956     }
 957
 958     break;
 959
 960   default:
 961     break;
 962   }
 963
 964  out:
 965   silc_free(nickname);
 966 }
 967
 968 void silc_server_init(void)
 969 {
 970   silc_servers_reconnect_init();
 971
 972   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 973   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 974   signal_add("mime-send", (SIGNAL_FUNC)silc_send_mime);
 975   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 976   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 977   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 978   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 979   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 980   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 981   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 982   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 983   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 984   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 985   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 986   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 987   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 988   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 989   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 990   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 991   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 992   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 993   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 994   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 995   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 996   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 997   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 998   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
 999   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
1000   command_bind_silc("stats", MODULE_NAME, (SIGNAL_FUNC) command_self);
1001   command_bind_silc("attr", MODULE_NAME, (SIGNAL_FUNC) command_attr);
1002
1003   command_set_options("connect", "+silcnet");
1004 }
1005
1006 void silc_server_deinit(void)
1007 {
1008   silc_servers_reconnect_deinit();
1009
1010   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
1011   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
1012   signal_remove("mime-send", (SIGNAL_FUNC)silc_send_mime);
1013   command_unbind("whois", (SIGNAL_FUNC) command_self);
1014   command_unbind("whowas", (SIGNAL_FUNC) command_self);
1015   command_unbind("nick", (SIGNAL_FUNC) command_self);
1016   command_unbind("topic", (SIGNAL_FUNC) command_self);
1017   command_unbind("cmode", (SIGNAL_FUNC) command_self);
1018   command_unbind("cumode", (SIGNAL_FUNC) command_self);
1019   command_unbind("users", (SIGNAL_FUNC) command_self);
1020   command_unbind("list", (SIGNAL_FUNC) command_self);
1021   command_unbind("oper", (SIGNAL_FUNC) command_self);
1022   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
1023   command_unbind("umode", (SIGNAL_FUNC) command_self);
1024   command_unbind("invite", (SIGNAL_FUNC) command_self);
1025   command_unbind("kill", (SIGNAL_FUNC) command_self);
1026   command_unbind("kick", (SIGNAL_FUNC) command_self);
1027   command_unbind("info", (SIGNAL_FUNC) command_self);
1028   command_unbind("ping", (SIGNAL_FUNC) command_self);
1029   command_unbind("motd", (SIGNAL_FUNC) command_self);
1030   command_unbind("ban", (SIGNAL_FUNC) command_self);
1031   command_unbind("close", (SIGNAL_FUNC) command_self);
1032   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
1033   command_unbind("getkey", (SIGNAL_FUNC) command_self);
1034   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
1035   command_unbind("file", (SIGNAL_FUNC) command_file);
1036   command_unbind("detach", (SIGNAL_FUNC) command_self);
1037   command_unbind("watch", (SIGNAL_FUNC) command_self);
1038   command_unbind("stats", (SIGNAL_FUNC) command_self);
1039   command_unbind("attr", (SIGNAL_FUNC) command_attr);
1040 }
1041
1042 void silc_server_free_ftp(SILC_SERVER_REC *server,
1043                           SilcClientEntry client_entry)
1044 {
1045   FtpSession ftp;
1046
1047   silc_dlist_start(server->ftp_sessions);
1048   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
1049     if (ftp->client_entry == client_entry) {
1050       silc_dlist_del(server->ftp_sessions, ftp);
1051       silc_free(ftp->filepath);
1052       silc_free(ftp);
1053     }
1054   }
1055 }
1056
1057 bool silc_term_utf8(void)
1058 {
1059   const char *str;
1060   str = settings_get_str("term_type");
1061   if (str)
1062     if (g_strcasecmp(str, "utf-8") == 0)
1063       return TRUE;
1064   return FALSE;
1065 }