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