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/silc/module-formats.h"
  45
  46 #include "silc-commands.h"
  47
  48 void silc_servers_reconnect_init(void);
  49 void silc_servers_reconnect_deinit(void);
  50
  51 static void silc_send_channel(SILC_SERVER_REC *server,
  52                               char *channel, char *msg)
  53 {
  54   SILC_CHANNEL_REC *rec;
  55
  56   rec = silc_channel_find(server, channel);
  57   if (rec == NULL || rec->entry == NULL) {
  58     cmd_return_error(CMDERR_NOT_JOINED);
  59     return;
  60   }
  61
  62   silc_client_send_channel_message(silc_client, server->conn, rec->entry,
  63                                    NULL, 0, msg, strlen(msg), TRUE);
  64 }
  65
  66 typedef struct {
  67   char *nick;
  68   char *msg;
  69   SILC_SERVER_REC *server;
  70 } PRIVMSG_REC;
  71
  72 /* Callback function that sends the private message if the client was
  73    resolved from the server. */
  74
  75 static void silc_send_msg_clients(SilcClient client,
  76                                   SilcClientConnection conn,
  77                                   SilcClientEntry *clients,
  78                                   SilcUInt32 clients_count,
  79                                   void *context)
  80 {
  81   PRIVMSG_REC *rec = context;
  82   SILC_SERVER_REC *server = rec->server;
  83   SilcClientEntry target;
  84   char *nickname = NULL;
  85
  86   if (!clients_count) {
  87     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  88               "%s: There is no such client", rec->nick);
  89   } else {
  90     if (clients_count > 1) {
  91       silc_parse_userfqdn(rec->nick, &nickname, NULL);
  92
  93       /* Find the correct one. The rec->nick might be a formatted nick
  94          so this will find the correct one. */
  95       clients = silc_client_get_clients_local(silc_client, server->conn,
  96                                               nickname, rec->nick,
  97                                               &clients_count);
  98       if (!clients) {
  99         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 100                   "%s: There is no such client", rec->nick);
 101         silc_free(nickname);
 102         goto out;
 103       }
 104       silc_free(nickname);
 105     }
 106
 107     target = clients[0];
 108
 109     /* Still check for exact math for nickname, this compares the
 110        real (formatted) nickname and the nick (maybe formatted) that
 111        use gave. This is to assure that `nick' does not match
 112        `nick@host'. */
 113     if (strcasecmp(rec->nick, clients[0]->nickname)) {
 114       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 115                 "%s: There is no such client", rec->nick);
 116       goto out;
 117     }
 118
 119     /* Send the private message */
 120     silc_client_send_private_message(client, conn, target, 0,
 121                                      rec->msg, strlen(rec->msg),
 122                                      TRUE);
 123   }
 124
 125  out:
 126   g_free(rec->nick);
 127   g_free(rec->msg);
 128   g_free(rec);
 129 }
 130
 131 static void silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg)
 132 {
 133   PRIVMSG_REC *rec;
 134   SilcClientEntry *clients;
 135   SilcUInt32 clients_count;
 136   char *nickname = NULL;
 137
 138   if (!silc_parse_userfqdn(nick, &nickname, NULL)) {
 139     printformat_module("fe-common/silc", server, NULL,
 140                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 141     return;
 142   }
 143
 144   /* Find client entry */
 145   clients = silc_client_get_clients_local(silc_client, server->conn,
 146                                           nickname, nick, &clients_count);
 147   if (!clients) {
 148     rec = g_new0(PRIVMSG_REC, 1);
 149     rec->nick = g_strdup(nick);
 150     rec->msg = g_strdup(msg);
 151     rec->server = server;
 152
 153     /* Could not find client with that nick, resolve it from server. */
 154     silc_client_get_clients(silc_client, server->conn,
 155                             nickname, NULL, silc_send_msg_clients, rec);
 156     silc_free(nickname);
 157     return;
 158   }
 159
 160   /* Send the private message directly */
 161   silc_free(nickname);
 162   silc_client_send_private_message(silc_client, server->conn,
 163                                    clients[0], 0, msg, strlen(msg), TRUE);
 164 }
 165
 166 static int isnickflag_func(char flag)
 167 {
 168   return flag == '@' || flag == '+';
 169 }
 170
 171 static int ischannel_func(SERVER_REC *server, const char *data)
 172 {
 173   return FALSE;
 174 }
 175
 176 const char *get_nick_flags(void)
 177 {
 178   return "@\0\0";
 179 }
 180
 181 static void send_message(SILC_SERVER_REC *server, char *target,
 182                          char *msg, int target_type)
 183 {
 184   g_return_if_fail(server != NULL);
 185   g_return_if_fail(target != NULL);
 186   g_return_if_fail(msg != NULL);
 187
 188   if (target_type == SEND_TARGET_CHANNEL)
 189     silc_send_channel(server, target, msg);
 190   else
 191     silc_send_msg(server, target, msg);
 192 }
 193
 194 static void sig_connected(SILC_SERVER_REC *server)
 195 {
 196   SilcClientConnection conn;
 197   SilcClientConnectionParams params;
 198   char file[256];
 199   int fd;
 200
 201   if (!IS_SILC_SERVER(server))
 202     return;
 203
 204   /* Try to read detached session data and use it if found. */
 205   memset(&params, 0, sizeof(params));
 206   memset(file, 0, sizeof(file));
 207   snprintf(file, sizeof(file) - 1, "%s/session", get_irssi_dir());
 208   params.detach_data = silc_file_readfile(file, &params.detach_data_len);
 209
 210   /* Add connection to the client library */
 211   conn = silc_client_add_connection(silc_client, &params,
 212                                     server->connrec->address,
 213                                     server->connrec->port,
 214                                     server);
 215   server->conn = conn;
 216
 217   silc_free(params.detach_data);
 218   unlink(file);
 219
 220   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 221
 222   /* Start key exchange with the server */
 223   silc_client_start_key_exchange(silc_client, conn, fd);
 224
 225   server->ftp_sessions = silc_dlist_init();
 226   server->isnickflag = isnickflag_func;
 227   server->ischannel = ischannel_func;
 228   server->get_nick_flags = get_nick_flags;
 229   server->send_message = (void *) send_message;
 230 }
 231
 232 static void sig_disconnected(SILC_SERVER_REC *server)
 233 {
 234   if (!IS_SILC_SERVER(server))
 235     return;
 236
 237   silc_dlist_uninit(server->ftp_sessions);
 238
 239   if (server->conn && server->conn->sock != NULL) {
 240     silc_client_close_connection(silc_client, server->conn);
 241
 242     /* SILC closes the handle */
 243     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 244     net_sendbuffer_destroy(server->handle, FALSE);
 245     server->handle = NULL;
 246   }
 247 }
 248
 249 SILC_SERVER_REC *silc_server_connect(SILC_SERVER_CONNECT_REC *conn)
 250 {
 251   SILC_SERVER_REC *server;
 252
 253   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 254   if (conn->address == NULL || *conn->address == '\0')
 255     return NULL;
 256   if (conn->nick == NULL || *conn->nick == '\0') {
 257     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 258               "Cannot connect: nickname is not set");
 259     return NULL;
 260   }
 261
 262   server = g_new0(SILC_SERVER_REC, 1);
 263   server->chat_type = SILC_PROTOCOL;
 264   server->connrec = conn;
 265   if (server->connrec->port <= 0)
 266     server->connrec->port = 706;
 267
 268   server_connect_ref(SERVER_CONNECT(conn));
 269
 270   if (!server_start_connect((SERVER_REC *) server)) {
 271     server_connect_unref(SERVER_CONNECT(conn));
 272     g_free(server);
 273     return NULL;
 274   }
 275
 276   return server;
 277 }
 278
 279 /* Return a string of all channels in server in server->channels_join()
 280    format */
 281
 282 char *silc_server_get_channels(SILC_SERVER_REC *server)
 283 {
 284   GSList *tmp;
 285   GString *chans;
 286   char *ret;
 287
 288   g_return_val_if_fail(server != NULL, FALSE);
 289
 290   chans = g_string_new(NULL);
 291   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 292     CHANNEL_REC *channel = tmp->data;
 293
 294     g_string_sprintfa(chans, "%s,", channel->name);
 295   }
 296
 297   if (chans->len > 0)
 298     g_string_truncate(chans, chans->len-1);
 299
 300   ret = chans->str;
 301   g_string_free(chans, FALSE);
 302
 303   return ret;
 304 }
 305
 306 /* Syntaxes of all SILC commands for HELP files (the help file generation
 307    will snoop these from here). */
 308
 309 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 310 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 311 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] [-pubkey|<passwd>] */
 312 /* SYNTAX: GETKEY <nickname or server name> */
 313 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 314 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 315 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 316 /* SYNTAX: KEY CHANNEL <channel> set|unset|list|change [<arguments>] */
 317 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 318 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] */
 319 /* SYNTAX: OPER <username> [-pubkey] */
 320 /* SYNTAX: SILCOPER <username> [-pubkey] */
 321 /* SYNTAX: TOPIC <channel> [<topic>] */
 322 /* SYNTAX: UMODE +|-<modes> */
 323 /* SYNTAX: WHOIS <nickname>[@<hostname>] [<count>] */
 324 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 325 /* SYNTAX: CLOSE <server> [<port>] */
 326 /* SYNTAX: SHUTDOWN */
 327 /* SYNTAX: MOTD [<server>] */
 328 /* SYNTAX: LIST [<channel>] */
 329 /* SYNTAX: ME <message> */
 330 /* SYNTAX: ACTION <channel> <message> */
 331 /* SYNTAX: AWAY [<message>] */
 332 /* SYNTAX: INFO [<server>] */
 333 /* SYNTAX: NICK <nickname> */
 334 /* SYNTAX: NOTICE <message> */
 335 /* SYNTAX: PART [<channel>] */
 336 /* SYNTAX: PING */
 337 /* SYNTAX: SCONNECT <server> [<port>] */
 338 /* SYNTAX: USERS <channel> */
 339 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] */
 340 /* SYNTAX: FILE RECEIVE [<nickname>] */
 341 /* SYNTAX: FILE CLOSE [<nickname>] */
 342 /* SYNTAX: FILE */
 343 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder <-pubkey|passwd>] */
 344 /* SYNTAX: DETACH */
 345
 346 void silc_command_exec(SILC_SERVER_REC *server,
 347                        const char *command, const char *args)
 348 {
 349   SilcUInt32 argc = 0;
 350   unsigned char **argv;
 351   SilcUInt32 *argv_lens, *argv_types;
 352   char *data, *tmpcmd;
 353   SilcClientCommand cmd;
 354   SilcClientCommandContext ctx;
 355
 356   g_return_if_fail(server != NULL);
 357
 358   tmpcmd = g_strdup(command);
 359   g_strup(tmpcmd);
 360   cmd = silc_client_command_find(silc_client, tmpcmd);
 361   g_free(tmpcmd);
 362   if (cmd == NULL)
 363     return;
 364
 365   /* Now parse all arguments */
 366   data = g_strconcat(command, " ", args, NULL);
 367   silc_parse_command_line(data, &argv, &argv_lens,
 368                           &argv_types, &argc, cmd->max_args);
 369   g_free(data);
 370
 371   /* Allocate command context. This and its internals must be free'd
 372      by the command routine receiving it. */
 373   ctx = silc_client_command_alloc();
 374   ctx->client = silc_client;
 375   ctx->conn = server->conn;
 376   ctx->command = cmd;
 377   ctx->argc = argc;
 378   ctx->argv = argv;
 379   ctx->argv_lens = argv_lens;
 380   ctx->argv_types = argv_types;
 381
 382   /* Execute command */
 383   silc_client_command_call(cmd, ctx);
 384 }
 385
 386 /* Generic command function to call any SILC command directly. */
 387
 388 static void command_self(const char *data, SILC_SERVER_REC *server,
 389                          WI_ITEM_REC *item)
 390 {
 391   CMD_SILC_SERVER(server);
 392
 393   if (!IS_SILC_SERVER(server) || !server->connected) {
 394     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 395     return;
 396   }
 397
 398   if (IS_SILC_CHANNEL(item)) {
 399     SILC_CHANNEL_REC *chanrec;
 400     chanrec = silc_channel_find(server, item->name);
 401     if (chanrec)
 402       server->conn->current_channel = chanrec->entry;
 403   }
 404
 405   silc_command_exec(server, current_command, data);
 406   signal_stop();
 407 }
 408
 409 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 410    has CONNECT command for other purposes. */
 411
 412 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 413 {
 414   CMD_SILC_SERVER(server);
 415   if (!IS_SILC_SERVER(server) || !server->connected) {
 416     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 417     return;
 418   }
 419
 420   silc_command_exec(server, "CONNECT", data);
 421   signal_stop();
 422 }
 423
 424 /* FILE command */
 425
 426 SILC_TASK_CALLBACK(silc_client_file_close_later)
 427 {
 428   FtpSession ftp = (FtpSession)context;
 429
 430   SILC_LOG_DEBUG(("Start"));
 431
 432   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 433   silc_free(ftp->filepath);
 434   silc_free(ftp);
 435 }
 436
 437 static void silc_client_file_monitor(SilcClient client,
 438                                      SilcClientConnection conn,
 439                                      SilcClientMonitorStatus status,
 440                                      SilcClientFileError error,
 441                                      SilcUInt64 offset,
 442                                      SilcUInt64 filesize,
 443                                      SilcClientEntry client_entry,
 444                                      SilcUInt32 session_id,
 445                                      const char *filepath,
 446                                      void *context)
 447 {
 448   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 449   FtpSession ftp;
 450   char fsize[32];
 451
 452   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 453
 454   silc_dlist_start(server->ftp_sessions);
 455   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 456     if (ftp->session_id == session_id) {
 457       if (!ftp->filepath && filepath)
 458         ftp->filepath = strdup(filepath);
 459       break;
 460     }
 461   }
 462
 463   if (ftp == SILC_LIST_END)
 464     return;
 465
 466   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 467     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 468       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 469                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 470                          client_entry->nickname,
 471                          filepath ? filepath : "[N/A]");
 472     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 473       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 474                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 475                          client_entry->nickname);
 476     else
 477       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 478                          SILCTXT_FILE_ERROR, client_entry->nickname);
 479     silc_schedule_task_add(silc_client->schedule, 0,
 480                            silc_client_file_close_later, ftp,
 481                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 482     if (ftp == server->current_session)
 483       server->current_session = NULL;
 484     silc_dlist_del(server->ftp_sessions, ftp);
 485   }
 486
 487   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 488     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 489                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 490   }
 491
 492   /* Save some transmission data */
 493   if (offset && filesize) {
 494     unsigned long delta = time(NULL) - ftp->starttime;
 495
 496     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 497     if (delta)
 498       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 499     else
 500       ftp->kps = (double)(offset + 1023) / (double)1024;
 501     ftp->offset = offset;
 502     ftp->filesize = filesize;
 503   }
 504
 505   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 506     if (offset == 0) {
 507       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 508                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 509                          client_entry->nickname);
 510       ftp->starttime = time(NULL);
 511     }
 512     if (offset == filesize) {
 513       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 514                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 515                          client_entry->nickname, ftp->kps);
 516       silc_schedule_task_add(silc_client->schedule, 0,
 517                              silc_client_file_close_later, ftp,
 518                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 519       if (ftp == server->current_session)
 520         server->current_session = NULL;
 521       silc_dlist_del(server->ftp_sessions, ftp);
 522     }
 523   }
 524
 525   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 526     if (offset == 0) {
 527       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 528                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 529                          client_entry->nickname);
 530       ftp->starttime = time(NULL);
 531     }
 532
 533     if (offset == filesize) {
 534       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 535                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 536                          client_entry->nickname, ftp->kps);
 537       silc_schedule_task_add(silc_client->schedule, 0,
 538                              silc_client_file_close_later, ftp,
 539                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 540       if (ftp == server->current_session)
 541         server->current_session = NULL;
 542       silc_dlist_del(server->ftp_sessions, ftp);
 543     }
 544   }
 545 }
 546
 547 typedef struct {
 548   SILC_SERVER_REC *server;
 549   char *data;
 550   char *nick;
 551   WI_ITEM_REC *item;
 552 } *FileGetClients;
 553
 554 static void silc_client_command_file_get_clients(SilcClient client,
 555                                                  SilcClientConnection conn,
 556                                                  SilcClientEntry *clients,
 557                                                  SilcUInt32 clients_count,
 558                                                  void *context)
 559 {
 560   FileGetClients internal = (FileGetClients)context;
 561
 562   if (!clients) {
 563     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 564               internal->nick);
 565     silc_free(internal->data);
 566     silc_free(internal->nick);
 567     silc_free(internal);
 568     return;
 569   }
 570
 571   signal_emit("command file", 3, internal->data, internal->server,
 572               internal->item);
 573
 574   silc_free(internal->data);
 575   silc_free(internal->nick);
 576   silc_free(internal);
 577 }
 578
 579 static void command_file(const char *data, SILC_SERVER_REC *server,
 580                          WI_ITEM_REC *item)
 581 {
 582   SilcClientConnection conn;
 583   SilcClientEntry *entrys, client_entry;
 584   SilcClientFileError ret;
 585   SilcUInt32 entry_count;
 586   char *nickname = NULL, *tmp;
 587   unsigned char **argv;
 588   SilcUInt32 argc;
 589   SilcUInt32 *argv_lens, *argv_types;
 590   int type = 0;
 591   FtpSession ftp;
 592   char *local_ip = NULL;
 593   SilcUInt32 local_port = 0;
 594   SilcUInt32 session_id;
 595
 596   CMD_SILC_SERVER(server);
 597   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 598     cmd_return_error(CMDERR_NOT_CONNECTED);
 599
 600   conn = server->conn;
 601
 602   /* Now parse all arguments */
 603   tmp = g_strconcat("FILE", " ", data, NULL);
 604   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 605   g_free(tmp);
 606
 607   if (argc == 1)
 608     type = 4;
 609
 610   if (argc >= 2) {
 611     if (!strcasecmp(argv[1], "send"))
 612       type = 1;
 613     if (!strcasecmp(argv[1], "receive"))
 614       type = 2;
 615     if (!strcasecmp(argv[1], "close"))
 616       type = 3;
 617   }
 618
 619   if (type == 0)
 620     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 621
 622   switch (type) {
 623   case 1:
 624     if (argc < 4)
 625       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 626
 627     /* Parse the typed nickname. */
 628     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 629       printformat_module("fe-common/silc", server, NULL,
 630                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 631       goto out;
 632     }
 633
 634     /* Find client entry */
 635     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 636                                            argv[3], &entry_count);
 637     if (!entrys) {
 638       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 639       inter->server = server;
 640       inter->data = strdup(data);
 641       inter->nick = strdup(nickname);
 642       inter->item = item;
 643       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 644                               silc_client_command_file_get_clients, inter);
 645       goto out;
 646     }
 647     client_entry = entrys[0];
 648     silc_free(entrys);
 649
 650     if (argc >= 5)
 651       local_ip = argv[4];
 652     if (argc >= 6)
 653       local_port = atoi(argv[5]);
 654
 655     ret =
 656       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 657                             server, local_ip, local_port,
 658                             client_entry, argv[2], &session_id);
 659     if (ret == SILC_CLIENT_FILE_OK) {
 660       ftp = silc_calloc(1, sizeof(*ftp));
 661       ftp->session_id = session_id;
 662
 663       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 664                          SILCTXT_FILE_SEND, client_entry->nickname,
 665                          argv[2]);
 666
 667       ftp->client_entry = client_entry;
 668       ftp->filepath = strdup(argv[2]);
 669       ftp->conn = conn;
 670       ftp->send = TRUE;
 671       silc_dlist_add(server->ftp_sessions, ftp);
 672       server->current_session = ftp;
 673     } else {
 674       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 675         printformat_module("fe-common/silc", server, NULL,
 676                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 677                            client_entry->nickname);
 678       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 679         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 680                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 681                            client_entry->nickname, argv[2]);
 682     }
 683
 684     break;
 685
 686   case 2:
 687     /* Parse the typed nickname. */
 688     if (argc >= 3) {
 689       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 690         printformat_module("fe-common/silc", server, NULL,
 691                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 692         goto out;
 693       }
 694
 695       /* Find client entry */
 696       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 697                                              argv[2], &entry_count);
 698       if (!entrys) {
 699         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 700         inter->server = server;
 701         inter->data = strdup(data);
 702         inter->nick = strdup(nickname);
 703         inter->item = item;
 704         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 705                                 silc_client_command_file_get_clients, inter);
 706         goto out;
 707       }
 708       client_entry = entrys[0];
 709       silc_free(entrys);
 710     } else {
 711       if (!server->current_session) {
 712         printformat_module("fe-common/silc", server, NULL,
 713                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 714         goto out;
 715       }
 716
 717       ret = silc_client_file_receive(silc_client, conn,
 718                                      silc_client_file_monitor, server,
 719                                      server->current_session->session_id);
 720       if (ret != SILC_CLIENT_FILE_OK) {
 721         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 722           printformat_module("fe-common/silc", server, NULL,
 723                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 724                              server->current_session->client_entry->nickname);
 725         else
 726           printformat_module("fe-common/silc", server, NULL,
 727                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 728                              server->current_session->client_entry->nickname);
 729       }
 730
 731       goto out;
 732     }
 733
 734     silc_dlist_start(server->ftp_sessions);
 735     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 736       if (ftp->client_entry == client_entry && !ftp->filepath) {
 737         ret = silc_client_file_receive(silc_client, conn,
 738                                        silc_client_file_monitor, server,
 739                                        ftp->session_id);
 740         if (ret != SILC_CLIENT_FILE_OK) {
 741           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 742             printformat_module("fe-common/silc", server, NULL,
 743                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 744                                client_entry->nickname);
 745           else
 746             printformat_module("fe-common/silc", server, NULL,
 747                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 748                                client_entry->nickname);
 749         }
 750         break;
 751       }
 752     }
 753
 754     if (ftp == SILC_LIST_END) {
 755       printformat_module("fe-common/silc", server, NULL,
 756                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 757                          client_entry->nickname);
 758       goto out;
 759     }
 760     break;
 761
 762   case 3:
 763     /* Parse the typed nickname. */
 764     if (argc >= 3) {
 765       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 766         printformat_module("fe-common/silc", server, NULL,
 767                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 768         goto out;
 769       }
 770
 771       /* Find client entry */
 772       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 773                                              argv[2], &entry_count);
 774       if (!entrys) {
 775         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 776         inter->server = server;
 777         inter->data = strdup(data);
 778         inter->nick = strdup(nickname);
 779         inter->item = item;
 780         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 781                                 silc_client_command_file_get_clients, inter);
 782         goto out;
 783       }
 784       client_entry = entrys[0];
 785       silc_free(entrys);
 786     } else {
 787       if (!server->current_session) {
 788         printformat_module("fe-common/silc", server, NULL,
 789                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 790         goto out;
 791       }
 792
 793       silc_client_file_close(silc_client, conn,
 794                              server->current_session->session_id);
 795       printformat_module("fe-common/silc", server, NULL,
 796                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 797                          server->current_session->client_entry->nickname,
 798                          server->current_session->filepath ?
 799                          server->current_session->filepath : "[N/A]");
 800       silc_dlist_del(server->ftp_sessions, server->current_session);
 801       silc_free(server->current_session->filepath);
 802       silc_free(server->current_session);
 803       server->current_session = NULL;
 804       goto out;
 805     }
 806
 807     silc_dlist_start(server->ftp_sessions);
 808     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 809       if (ftp->client_entry == client_entry) {
 810         silc_client_file_close(silc_client, conn, ftp->session_id);
 811         printformat_module("fe-common/silc", server, NULL,
 812                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 813                            client_entry->nickname,
 814                            ftp->filepath ? ftp->filepath : "[N/A]");
 815         if (ftp == server->current_session)
 816           server->current_session = NULL;
 817         silc_dlist_del(server->ftp_sessions, ftp);
 818         silc_free(ftp->filepath);
 819         silc_free(ftp);
 820         break;
 821       }
 822     }
 823
 824     if (ftp == SILC_LIST_END) {
 825       printformat_module("fe-common/silc", server, NULL,
 826                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 827                          client_entry->nickname);
 828       goto out;
 829     }
 830     break;
 831
 832   case 4:
 833
 834     if (!silc_dlist_count(server->ftp_sessions)) {
 835       printformat_module("fe-common/silc", server, NULL,
 836                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 837       goto out;
 838     }
 839
 840     printformat_module("fe-common/silc", server, NULL,
 841                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 842
 843     silc_dlist_start(server->ftp_sessions);
 844     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 845       printformat_module("fe-common/silc", server, NULL,
 846                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 847                          ftp->client_entry->nickname,
 848                          ftp->send ? "send" : "receive",
 849                          (SilcUInt32)(ftp->offset + 1023) / 1024,
 850                          (SilcUInt32)(ftp->filesize + 1023) / 1024,
 851                          ftp->percent, ftp->kps,
 852                          ftp->filepath ? ftp->filepath : "[N/A]");
 853     }
 854
 855     break;
 856
 857   default:
 858     break;
 859   }
 860
 861  out:
 862   silc_free(nickname);
 863 }
 864
 865 void silc_server_init(void)
 866 {
 867   silc_servers_reconnect_init();
 868
 869   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 870   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 871   command_bind_silc("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 872   command_bind_silc("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 873   command_bind_silc("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 874   command_bind_silc("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 875   command_bind_silc("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 876   command_bind_silc("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 877   command_bind_silc("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 878   command_bind_silc("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 879   command_bind_silc("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 880   command_bind_silc("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 881   command_bind_silc("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 882   command_bind_silc("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 883   command_bind_silc("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 884   command_bind_silc("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 885   command_bind_silc("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 886   command_bind_silc("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 887   command_bind_silc("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 888   command_bind_silc("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 889   command_bind_silc("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 890   command_bind_silc("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 891   command_bind_silc("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 892   command_bind_silc("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 893   command_bind_silc("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 894   command_bind_silc("detach", MODULE_NAME, (SIGNAL_FUNC) command_self);
 895
 896   command_set_options("connect", "+silcnet");
 897 }
 898
 899 void silc_server_deinit(void)
 900 {
 901   silc_servers_reconnect_deinit();
 902
 903   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 904   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 905   command_unbind("whois", (SIGNAL_FUNC) command_self);
 906   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 907   command_unbind("nick", (SIGNAL_FUNC) command_self);
 908   command_unbind("topic", (SIGNAL_FUNC) command_self);
 909   command_unbind("cmode", (SIGNAL_FUNC) command_self);
 910   command_unbind("cumode", (SIGNAL_FUNC) command_self);
 911   command_unbind("users", (SIGNAL_FUNC) command_self);
 912   command_unbind("list", (SIGNAL_FUNC) command_self);
 913   command_unbind("oper", (SIGNAL_FUNC) command_self);
 914   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
 915   command_unbind("umode", (SIGNAL_FUNC) command_self);
 916   command_unbind("invite", (SIGNAL_FUNC) command_self);
 917   command_unbind("kill", (SIGNAL_FUNC) command_self);
 918   command_unbind("kick", (SIGNAL_FUNC) command_self);
 919   command_unbind("info", (SIGNAL_FUNC) command_self);
 920   command_unbind("ping", (SIGNAL_FUNC) command_self);
 921   command_unbind("motd", (SIGNAL_FUNC) command_self);
 922   command_unbind("ban", (SIGNAL_FUNC) command_self);
 923   command_unbind("close", (SIGNAL_FUNC) command_self);
 924   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
 925   command_unbind("getkey", (SIGNAL_FUNC) command_self);
 926   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
 927   command_unbind("file", (SIGNAL_FUNC) command_file);
 928   command_unbind("detach", (SIGNAL_FUNC) command_self);
 929 }
 930
 931 void silc_server_free_ftp(SILC_SERVER_REC *server,
 932                           SilcClientEntry client_entry)
 933 {
 934   FtpSession ftp;
 935
 936   silc_dlist_start(server->ftp_sessions);
 937   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 938     if (ftp->client_entry == client_entry) {
 939       silc_dlist_del(server->ftp_sessions, ftp);
 940       silc_free(ftp->filepath);
 941       silc_free(ftp);
 942     }
 943   }
 944 }