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, 0, msg, strlen(msg), TRUE);
  66 }
  67
  68 typedef struct {
  69   char *nick;
  70   char *msg;
  71   SILC_SERVER_REC *server;
  72 } PRIVMSG_REC;
  73
  74 /* Callback function that sends the private message if the client was
  75    resolved from the server. */
  76
  77 static void silc_send_msg_clients(SilcClient client,
  78                                   SilcClientConnection conn,
  79                                   SilcClientEntry *clients,
  80                                   SilcUInt32 clients_count,
  81                                   void *context)
  82 {
  83   PRIVMSG_REC *rec = context;
  84   SILC_SERVER_REC *server = rec->server;
  85   SilcClientEntry target;
  86   char *nickname = NULL;
  87
  88   if (!clients_count) {
  89     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  90               "%s: There is no such client", rec->nick);
  91   } else {
  92     if (clients_count > 1) {
  93       silc_parse_userfqdn(rec->nick, &nickname, NULL);
  94
  95       /* Find the correct one. The rec->nick might be a formatted nick
  96          so this will find the correct one. */
  97       clients = silc_client_get_clients_local(silc_client, server->conn,
  98                                               nickname, rec->nick,
  99                                               &clients_count);
 100       if (!clients) {
 101         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 102                   "%s: There is no such client", rec->nick);
 103         silc_free(nickname);
 104         goto out;
 105       }
 106       silc_free(nickname);
 107     }
 108
 109     target = clients[0];
 110
 111     /* Still check for exact math for nickname, this compares the
 112        real (formatted) nickname and the nick (maybe formatted) that
 113        use gave. This is to assure that `nick' does not match
 114        `nick@host'. */
 115     if (strcasecmp(rec->nick, clients[0]->nickname)) {
 116       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 117                 "%s: There is no such client", rec->nick);
 118       goto out;
 119     }
 120
 121     /* Send the private message */
 122     silc_client_send_private_message(client, conn, target, 0,
 123                                      rec->msg, strlen(rec->msg),
 124                                      TRUE);
 125   }
 126
 127  out:
 128   g_free(rec->nick);
 129   g_free(rec->msg);
 130   g_free(rec);
 131 }
 132
 133 static void silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg)
 134 {
 135   PRIVMSG_REC *rec;
 136   SilcClientEntry *clients;
 137   SilcUInt32 clients_count;
 138   char *nickname = NULL;
 139
 140   if (!silc_parse_userfqdn(nick, &nickname, NULL)) {
 141     printformat_module("fe-common/silc", server, NULL,
 142                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 143     return;
 144   }
 145
 146   /* Find client entry */
 147   clients = silc_client_get_clients_local(silc_client, server->conn,
 148                                           nickname, nick, &clients_count);
 149   if (!clients) {
 150     rec = g_new0(PRIVMSG_REC, 1);
 151     rec->nick = g_strdup(nick);
 152     rec->msg = g_strdup(msg);
 153     rec->server = server;
 154
 155     /* Could not find client with that nick, resolve it from server. */
 156     silc_client_get_clients(silc_client, server->conn,
 157                             nickname, NULL, silc_send_msg_clients, rec);
 158     silc_free(nickname);
 159     return;
 160   }
 161
 162   /* Send the private message directly */
 163   silc_free(nickname);
 164   silc_client_send_private_message(silc_client, server->conn,
 165                                    clients[0], 0, msg, strlen(msg), TRUE);
 166 }
 167
 168 static int isnickflag_func(char flag)
 169 {
 170   return flag == '@' || flag == '+';
 171 }
 172
 173 static int ischannel_func(SERVER_REC *server, const char *data)
 174 {
 175   return FALSE;
 176 }
 177
 178 const char *get_nick_flags(void)
 179 {
 180   return "@\0\0";
 181 }
 182
 183 static void send_message(SILC_SERVER_REC *server, char *target,
 184                          char *msg, int target_type)
 185 {
 186   g_return_if_fail(server != NULL);
 187   g_return_if_fail(target != NULL);
 188   g_return_if_fail(msg != NULL);
 189
 190   if (target_type == SEND_TARGET_CHANNEL)
 191     silc_send_channel(server, target, msg);
 192   else
 193     silc_send_msg(server, target, msg);
 194 }
 195
 196 static void sig_connected(SILC_SERVER_REC *server)
 197 {
 198   SilcClientConnection conn;
 199   SilcClientConnectionParams params;
 200   char file[256];
 201   int fd;
 202
 203   if (!IS_SILC_SERVER(server))
 204     return;
 205
 206   /* Try to read detached session data and use it if found. */
 207   memset(&params, 0, sizeof(params));
 208   memset(file, 0, sizeof(file));
 209   snprintf(file, sizeof(file) - 1, "%s/session", get_irssi_dir());
 210   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 211
 212   /* Add connection to the client library */
 213   conn = silc_client_add_connection(silc_client, &params,
 214                                     server->connrec->address,
 215                                     server->connrec->port,
 216                                     server);
 217   server->conn = conn;
 218
 219   if (params.detach_data)
 220     keyboard_entry_redirect(NULL,
 221                             "-- Resuming old session, may take a while ...",
 222                             ENTRY_REDIRECT_FLAG_HIDDEN, server);
 223
 224   silc_free(params.detach_data);
 225   unlink(file);
 226
 227   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 228
 229   /* Start key exchange with the server */
 230   silc_client_start_key_exchange(silc_client, conn, fd);
 231
 232   server->ftp_sessions = silc_dlist_init();
 233   server->isnickflag = isnickflag_func;
 234   server->ischannel = ischannel_func;
 235   server->get_nick_flags = get_nick_flags;
 236   server->send_message = (void *) send_message;
 237 }
 238
 239 static void sig_disconnected(SILC_SERVER_REC *server)
 240 {
 241   if (!IS_SILC_SERVER(server))
 242     return;
 243
 244   silc_dlist_uninit(server->ftp_sessions);
 245
 246   if (server->conn && server->conn->sock != NULL) {
 247     silc_client_close_connection(silc_client, server->conn);
 248
 249     /* SILC closes the handle */
 250     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 251     net_sendbuffer_destroy(server->handle, FALSE);
 252     server->handle = NULL;
 253   }
 254 }
 255
 256 SILC_SERVER_REC *silc_server_connect(SILC_SERVER_CONNECT_REC *conn)
 257 {
 258   SILC_SERVER_REC *server;
 259
 260   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 261   if (conn->address == NULL || *conn->address == '\0')
 262     return NULL;
 263   if (conn->nick == NULL || *conn->nick == '\0') {
 264     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 265               "Cannot connect: nickname is not set");
 266     return NULL;
 267   }
 268
 269   server = g_new0(SILC_SERVER_REC, 1);
 270   server->chat_type = SILC_PROTOCOL;
 271   server->connrec = conn;
 272   if (server->connrec->port <= 0)
 273     server->connrec->port = 706;
 274
 275   server_connect_ref(SERVER_CONNECT(conn));
 276
 277   if (!server_start_connect((SERVER_REC *) server)) {
 278     server_connect_unref(SERVER_CONNECT(conn));
 279     g_free(server);
 280     return NULL;
 281   }
 282
 283   return server;
 284 }
 285
 286 /* Return a string of all channels in server in server->channels_join()
 287    format */
 288
 289 char *silc_server_get_channels(SILC_SERVER_REC *server)
 290 {
 291   GSList *tmp;
 292   GString *chans;
 293   char *ret;
 294
 295   g_return_val_if_fail(server != NULL, FALSE);
 296
 297   chans = g_string_new(NULL);
 298   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 299     CHANNEL_REC *channel = tmp->data;
 300
 301     g_string_sprintfa(chans, "%s,", channel->name);
 302   }
 303
 304   if (chans->len > 0)
 305     g_string_truncate(chans, chans->len-1);
 306
 307   ret = chans->str;
 308   g_string_free(chans, FALSE);
 309
 310   return ret;
 311 }
 312
 313 /* Syntaxes of all SILC commands for HELP files (the help file generation
 314    will snoop these from here). */
 315
 316 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 317 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 318 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] [-pubkey|<passwd>] */
 319 /* SYNTAX: GETKEY <nickname or server name> */
 320 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 321 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 322 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 323 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 324 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 325 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] */
 326 /* SYNTAX: OPER <username> [-pubkey] */
 327 /* SYNTAX: SILCOPER <username> [-pubkey] */
 328 /* SYNTAX: TOPIC <channel> [<topic>] */
 329 /* SYNTAX: UMODE +|-<modes> */
 330 /* SYNTAX: WHOIS <nickname>[@<hostname>] [<count>] */
 331 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 332 /* SYNTAX: CLOSE <server> [<port>] */
 333 /* SYNTAX: SHUTDOWN */
 334 /* SYNTAX: MOTD [<server>] */
 335 /* SYNTAX: LIST [<channel>] */
 336 /* SYNTAX: ME <message> */
 337 /* SYNTAX: ACTION <channel> <message> */
 338 /* SYNTAX: AWAY [<message>] */
 339 /* SYNTAX: INFO [<server>] */
 340 /* SYNTAX: NICK <nickname> */
 341 /* SYNTAX: NOTICE <message> */
 342 /* SYNTAX: PART [<channel>] */
 343 /* SYNTAX: PING */
 344 /* SYNTAX: SCONNECT <server> [<port>] */
 345 /* SYNTAX: USERS <channel> */
 346 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] */
 347 /* SYNTAX: FILE RECEIVE [<nickname>] */
 348 /* SYNTAX: FILE CLOSE [<nickname>] */
 349 /* SYNTAX: FILE */
 350 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder <-pubkey|passwd>] */
 351 /* SYNTAX: DETACH */
 352 /* SYNTAX: WATCH [<-add | -del> <nickname>] */
 353
 354 void silc_command_exec(SILC_SERVER_REC *server,
 355                        const char *command, const char *args)
 356 {
 357   SilcUInt32 argc = 0;
 358   unsigned char **argv;
 359   SilcUInt32 *argv_lens, *argv_types;
 360   char *data, *tmpcmd;
 361   SilcClientCommand cmd;
 362   SilcClientCommandContext ctx;
 363
 364   g_return_if_fail(server != NULL);
 365
 366   tmpcmd = g_strdup(command);
 367   g_strup(tmpcmd);
 368   cmd = silc_client_command_find(silc_client, tmpcmd);
 369   g_free(tmpcmd);
 370   if (cmd == NULL)
 371     return;
 372
 373   /* Now parse all arguments */
 374   data = g_strconcat(command, " ", args, NULL);
 375   silc_parse_command_line(data, &argv, &argv_lens,
 376                           &argv_types, &argc, cmd->max_args);
 377   g_free(data);
 378
 379   /* Allocate command context. This and its internals must be free'd
 380      by the command routine receiving it. */
 381   ctx = silc_client_command_alloc();
 382   ctx->client = silc_client;
 383   ctx->conn = server->conn;
 384   ctx->command = cmd;
 385   ctx->argc = argc;
 386   ctx->argv = argv;
 387   ctx->argv_lens = argv_lens;
 388   ctx->argv_types = argv_types;
 389
 390   /* Execute command */
 391   silc_client_command_call(cmd, ctx);
 392 }
 393
 394 /* Generic command function to call any SILC command directly. */
 395
 396 static void command_self(const char *data, SILC_SERVER_REC *server,
 397                          WI_ITEM_REC *item)
 398 {
 399   CMD_SILC_SERVER(server);
 400
 401   if (!IS_SILC_SERVER(server) || !server->connected) {
 402     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 403     return;
 404   }
 405
 406   if (IS_SILC_CHANNEL(item)) {
 407     SILC_CHANNEL_REC *chanrec;
 408     chanrec = silc_channel_find(server, item->name);
 409     if (chanrec)
 410       server->conn->current_channel = chanrec->entry;
 411   }
 412
 413   silc_command_exec(server, current_command, data);
 414   signal_stop();
 415 }
 416
 417 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 418    has CONNECT command for other purposes. */
 419
 420 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 421 {
 422   CMD_SILC_SERVER(server);
 423   if (!IS_SILC_SERVER(server) || !server->connected) {
 424     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 425     return;
 426   }
 427
 428   silc_command_exec(server, "CONNECT", data);
 429   signal_stop();
 430 }
 431
 432 /* FILE command */
 433
 434 SILC_TASK_CALLBACK(silc_client_file_close_later)
 435 {
 436   FtpSession ftp = (FtpSession)context;
 437
 438   SILC_LOG_DEBUG(("Start"));
 439
 440   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 441   silc_free(ftp->filepath);
 442   silc_free(ftp);
 443 }
 444
 445 static void silc_client_file_monitor(SilcClient client,
 446                                      SilcClientConnection conn,
 447                                      SilcClientMonitorStatus status,
 448                                      SilcClientFileError error,
 449                                      SilcUInt64 offset,
 450                                      SilcUInt64 filesize,
 451                                      SilcClientEntry client_entry,
 452                                      SilcUInt32 session_id,
 453                                      const char *filepath,
 454                                      void *context)
 455 {
 456   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 457   FtpSession ftp;
 458   char fsize[32];
 459
 460   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 461
 462   silc_dlist_start(server->ftp_sessions);
 463   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 464     if (ftp->session_id == session_id) {
 465       if (!ftp->filepath && filepath)
 466         ftp->filepath = strdup(filepath);
 467       break;
 468     }
 469   }
 470
 471   if (ftp == SILC_LIST_END)
 472     return;
 473
 474   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 475     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 476       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 477                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 478                          client_entry->nickname,
 479                          filepath ? filepath : "[N/A]");
 480     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 481       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 482                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 483                          client_entry->nickname);
 484     else
 485       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 486                          SILCTXT_FILE_ERROR, client_entry->nickname);
 487     silc_schedule_task_add(silc_client->schedule, 0,
 488                            silc_client_file_close_later, ftp,
 489                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 490     if (ftp == server->current_session)
 491       server->current_session = NULL;
 492     silc_dlist_del(server->ftp_sessions, ftp);
 493   }
 494
 495   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 496     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 497                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 498   }
 499
 500   /* Save some transmission data */
 501   if (offset && filesize) {
 502     unsigned long delta = time(NULL) - ftp->starttime;
 503
 504     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 505     if (delta)
 506       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 507     else
 508       ftp->kps = (double)(offset + 1023) / (double)1024;
 509     ftp->offset = offset;
 510     ftp->filesize = filesize;
 511   }
 512
 513   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 514     if (offset == 0) {
 515       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 516                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 517                          client_entry->nickname);
 518       ftp->starttime = time(NULL);
 519     }
 520     if (offset == filesize) {
 521       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 522                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 523                          client_entry->nickname, ftp->kps);
 524       silc_schedule_task_add(silc_client->schedule, 0,
 525                              silc_client_file_close_later, ftp,
 526                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 527       if (ftp == server->current_session)
 528         server->current_session = NULL;
 529       silc_dlist_del(server->ftp_sessions, ftp);
 530     }
 531   }
 532
 533   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 534     if (offset == 0) {
 535       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 536                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 537                          client_entry->nickname);
 538       ftp->starttime = time(NULL);
 539     }
 540
 541     if (offset == filesize) {
 542       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 543                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 544                          client_entry->nickname, ftp->kps);
 545       silc_schedule_task_add(silc_client->schedule, 0,
 546                              silc_client_file_close_later, ftp,
 547                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 548       if (ftp == server->current_session)
 549         server->current_session = NULL;
 550       silc_dlist_del(server->ftp_sessions, ftp);
 551     }
 552   }
 553 }
 554
 555 typedef struct {
 556   SILC_SERVER_REC *server;
 557   char *data;
 558   char *nick;
 559   WI_ITEM_REC *item;
 560 } *FileGetClients;
 561
 562 static void silc_client_command_file_get_clients(SilcClient client,
 563                                                  SilcClientConnection conn,
 564                                                  SilcClientEntry *clients,
 565                                                  SilcUInt32 clients_count,
 566                                                  void *context)
 567 {
 568   FileGetClients internal = (FileGetClients)context;
 569
 570   if (!clients) {
 571     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 572               internal->nick);
 573     silc_free(internal->data);
 574     silc_free(internal->nick);
 575     silc_free(internal);
 576     return;
 577   }
 578
 579   signal_emit("command file", 3, internal->data, internal->server,
 580               internal->item);
 581
 582   silc_free(internal->data);
 583   silc_free(internal->nick);
 584   silc_free(internal);
 585 }
 586
 587 static void command_file(const char *data, SILC_SERVER_REC *server,
 588                          WI_ITEM_REC *item)
 589 {
 590   SilcClientConnection conn;
 591   SilcClientEntry *entrys, client_entry;
 592   SilcClientFileError ret;
 593   SilcUInt32 entry_count;
 594   char *nickname = NULL, *tmp;
 595   unsigned char **argv;
 596   SilcUInt32 argc;
 597   SilcUInt32 *argv_lens, *argv_types;
 598   int type = 0;
 599   FtpSession ftp;
 600   char *local_ip = NULL;
 601   SilcUInt32 local_port = 0;
 602   SilcUInt32 session_id;
 603
 604   CMD_SILC_SERVER(server);
 605   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 606     cmd_return_error(CMDERR_NOT_CONNECTED);
 607
 608   conn = server->conn;
 609
 610   /* Now parse all arguments */
 611   tmp = g_strconcat("FILE", " ", data, NULL);
 612   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 613   g_free(tmp);
 614
 615   if (argc == 1)
 616     type = 4;
 617
 618   if (argc >= 2) {
 619     if (!strcasecmp(argv[1], "send"))
 620       type = 1;
 621     if (!strcasecmp(argv[1], "receive"))
 622       type = 2;
 623     if (!strcasecmp(argv[1], "close"))
 624       type = 3;
 625   }
 626
 627   if (type == 0)
 628     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 629
 630   switch (type) {
 631   case 1:
 632     if (argc < 4)
 633       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 634
 635     /* Parse the typed nickname. */
 636     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 637       printformat_module("fe-common/silc", server, NULL,
 638                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 639       goto out;
 640     }
 641
 642     /* Find client entry */
 643     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 644                                            argv[3], &entry_count);
 645     if (!entrys) {
 646       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 647       inter->server = server;
 648       inter->data = strdup(data);
 649       inter->nick = strdup(nickname);
 650       inter->item = item;
 651       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 652                               silc_client_command_file_get_clients, inter);
 653       goto out;
 654     }
 655     client_entry = entrys[0];
 656     silc_free(entrys);
 657
 658     if (argc >= 5)
 659       local_ip = argv[4];
 660     if (argc >= 6)
 661       local_port = atoi(argv[5]);
 662
 663     ret =
 664       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 665                             server, local_ip, local_port,
 666                             client_entry, argv[2], &session_id);
 667     if (ret == SILC_CLIENT_FILE_OK) {
 668       ftp = silc_calloc(1, sizeof(*ftp));
 669       ftp->session_id = session_id;
 670
 671       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 672                          SILCTXT_FILE_SEND, client_entry->nickname,
 673                          argv[2]);
 674
 675       ftp->client_entry = client_entry;
 676       ftp->filepath = strdup(argv[2]);
 677       ftp->conn = conn;
 678       ftp->send = TRUE;
 679       silc_dlist_add(server->ftp_sessions, ftp);
 680       server->current_session = ftp;
 681     } else {
 682       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 683         printformat_module("fe-common/silc", server, NULL,
 684                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 685                            client_entry->nickname);
 686       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 687         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 688                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 689                            client_entry->nickname, argv[2]);
 690     }
 691
 692     break;
 693
 694   case 2:
 695     /* Parse the typed nickname. */
 696     if (argc >= 3) {
 697       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 698         printformat_module("fe-common/silc", server, NULL,
 699                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 700         goto out;
 701       }
 702
 703       /* Find client entry */
 704       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 705                                              argv[2], &entry_count);
 706       if (!entrys) {
 707         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 708         inter->server = server;
 709         inter->data = strdup(data);
 710         inter->nick = strdup(nickname);
 711         inter->item = item;
 712         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 713                                 silc_client_command_file_get_clients, inter);
 714         goto out;
 715       }
 716       client_entry = entrys[0];
 717       silc_free(entrys);
 718     } else {
 719       if (!server->current_session) {
 720         printformat_module("fe-common/silc", server, NULL,
 721                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 722         goto out;
 723       }
 724
 725       ret = silc_client_file_receive(silc_client, conn,
 726                                      silc_client_file_monitor, server, NULL,
 727                                      server->current_session->session_id);
 728       if (ret != SILC_CLIENT_FILE_OK) {
 729         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 730           printformat_module("fe-common/silc", server, NULL,
 731                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 732                              server->current_session->client_entry->nickname);
 733         else
 734           printformat_module("fe-common/silc", server, NULL,
 735                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 736                              server->current_session->client_entry->nickname);
 737       }
 738
 739       goto out;
 740     }
 741
 742     silc_dlist_start(server->ftp_sessions);
 743     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 744       if (ftp->client_entry == client_entry && !ftp->filepath) {
 745         ret = silc_client_file_receive(silc_client, conn,
 746                                        silc_client_file_monitor, server,
 747                                        NULL, ftp->session_id);
 748         if (ret != SILC_CLIENT_FILE_OK) {
 749           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 750             printformat_module("fe-common/silc", server, NULL,
 751                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 752                                client_entry->nickname);
 753           else
 754             printformat_module("fe-common/silc", server, NULL,
 755                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 756                                client_entry->nickname);
 757         }
 758         break;
 759       }
 760     }
 761
 762     if (ftp == SILC_LIST_END) {
 763       printformat_module("fe-common/silc", server, NULL,
 764                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 765                          client_entry->nickname);
 766       goto out;
 767     }
 768     break;
 769
 770   case 3:
 771     /* Parse the typed nickname. */
 772     if (argc >= 3) {
 773       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 774         printformat_module("fe-common/silc", server, NULL,
 775                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 776         goto out;
 777       }
 778
 779       /* Find client entry */
 780       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 781                                              argv[2], &entry_count);
 782       if (!entrys) {
 783         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 784         inter->server = server;
 785         inter->data = strdup(data);
 786         inter->nick = strdup(nickname);
 787         inter->item = item;
 788         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 789                                 silc_client_command_file_get_clients, inter);
 790         goto out;
 791       }
 792       client_entry = entrys[0];
 793       silc_free(entrys);
 794     } else {
 795       if (!server->current_session) {
 796         printformat_module("fe-common/silc", server, NULL,
 797                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 798         goto out;
 799       }
 800
 801       silc_client_file_close(silc_client, conn,
 802                              server->current_session->session_id);
 803       printformat_module("fe-common/silc", server, NULL,
 804                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 805                          server->current_session->client_entry->nickname,
 806                          server->current_session->filepath ?
 807                          server->current_session->filepath : "[N/A]");
 808       silc_dlist_del(server->ftp_sessions, server->current_session);
 809       silc_free(server->current_session->filepath);
 810       silc_free(server->current_session);
 811       server->current_session = NULL;
 812       goto out;
 813     }
 814
 815     silc_dlist_start(server->ftp_sessions);
 816     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 817       if (ftp->client_entry == client_entry) {
 818         silc_client_file_close(silc_client, conn, ftp->session_id);
 819         printformat_module("fe-common/silc", server, NULL,
 820                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 821                            client_entry->nickname,
 822                            ftp->filepath ? ftp->filepath : "[N/A]");
 823         if (ftp == server->current_session)
 824           server->current_session = NULL;
 825         silc_dlist_del(server->ftp_sessions, ftp);
 826         silc_free(ftp->filepath);
 827         silc_free(ftp);
 828         break;
 829       }
 830     }
 831
 832     if (ftp == SILC_LIST_END) {
 833       printformat_module("fe-common/silc", server, NULL,
 834                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 835                          client_entry->nickname);
 836       goto out;
 837     }
 838     break;
 839
 840   case 4:
 841
 842     if (!silc_dlist_count(server->ftp_sessions)) {
 843       printformat_module("fe-common/silc", server, NULL,
 844                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 845       goto out;
 846     }
 847
 848     printformat_module("fe-common/silc", server, NULL,
 849                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 850
 851     silc_dlist_start(server->ftp_sessions);
 852     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 853       printformat_module("fe-common/silc", server, NULL,
 854                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 855                          ftp->client_entry->nickname,
 856                          ftp->send ? "send" : "receive",
 857                          (SilcUInt32)(ftp->offset + 1023) / 1024,
 858                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
 859                          ftp->percent, ftp->kps,
 860                          ftp->filepath ? ftp->filepath : "[N/A]");
 861     }
 862
 863     break;
 864
 865   default:
 866     break;
 867   }
 868
 869  out:
 870   silc_free(nickname);
 871 }
 872
 873 void silc_server_init(void)
 874 {
 875   silc_servers_reconnect_init();
 876
 877   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 878   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 879   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 880   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 881   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 882   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 883   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 884   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 885   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 886   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 887   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 888   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 889   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 890   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 891   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 892   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 893   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 894   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 895   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 896   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 897   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 898   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 899   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 900   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 901   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 902   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
 903   command_bind_silc("watch", MODULE_NAME, (SIGNAL_FUNC) command_self);
 904
 905   command_set_options("connect", "+silcnet");
 906 }
 907
 908 void silc_server_deinit(void)
 909 {
 910   silc_servers_reconnect_deinit();
 911
 912   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 913   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 914   command_unbind("whois", (SIGNAL_FUNC) command_self);
 915   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 916   command_unbind("nick", (SIGNAL_FUNC) command_self);
 917   command_unbind("topic", (SIGNAL_FUNC) command_self);
 918   command_unbind("cmode", (SIGNAL_FUNC) command_self);
 919   command_unbind("cumode", (SIGNAL_FUNC) command_self);
 920   command_unbind("users", (SIGNAL_FUNC) command_self);
 921   command_unbind("list", (SIGNAL_FUNC) command_self);
 922   command_unbind("oper", (SIGNAL_FUNC) command_self);
 923   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
 924   command_unbind("umode", (SIGNAL_FUNC) command_self);
 925   command_unbind("invite", (SIGNAL_FUNC) command_self);
 926   command_unbind("kill", (SIGNAL_FUNC) command_self);
 927   command_unbind("kick", (SIGNAL_FUNC) command_self);
 928   command_unbind("info", (SIGNAL_FUNC) command_self);
 929   command_unbind("ping", (SIGNAL_FUNC) command_self);
 930   command_unbind("motd", (SIGNAL_FUNC) command_self);
 931   command_unbind("ban", (SIGNAL_FUNC) command_self);
 932   command_unbind("close", (SIGNAL_FUNC) command_self);
 933   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
 934   command_unbind("getkey", (SIGNAL_FUNC) command_self);
 935   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
 936   command_unbind("file", (SIGNAL_FUNC) command_file);
 937   command_unbind("detach", (SIGNAL_FUNC) command_self);
 938   command_unbind("watch", (SIGNAL_FUNC) command_self);
 939 }
 940
 941 void silc_server_free_ftp(SILC_SERVER_REC *server,
 942                           SilcClientEntry client_entry)
 943 {
 944   FtpSession ftp;
 945
 946   silc_dlist_start(server->ftp_sessions);
 947   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 948     if (ftp->client_entry == client_entry) {
 949       silc_dlist_del(server->ftp_sessions, ftp);
 950       silc_free(ftp->filepath);
 951       silc_free(ftp);
 952     }
 953   }
 954 }