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