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 void silc_servers_reconnect_init(void);
  47 void silc_servers_reconnect_deinit(void);
  48
  49 static void silc_send_channel(SILC_SERVER_REC *server,
  50                               char *channel, char *msg)
  51 {
  52   SILC_CHANNEL_REC *rec;
  53
  54   rec = silc_channel_find(server, channel);
  55   if (rec == NULL || rec->entry == NULL)
  56     return;
  57
  58   silc_client_send_channel_message(silc_client, server->conn, rec->entry,
  59                                    NULL, 0, msg, strlen(msg), TRUE);
  60 }
  61
  62 typedef struct {
  63   char *nick;
  64   char *msg;
  65   SILC_SERVER_REC *server;
  66 } PRIVMSG_REC;
  67
  68 /* Callback function that sends the private message if the client was
  69    resolved from the server. */
  70
  71 static void silc_send_msg_clients(SilcClient client,
  72                                   SilcClientConnection conn,
  73                                   SilcClientEntry *clients,
  74                                   uint32 clients_count,
  75                                   void *context)
  76 {
  77   PRIVMSG_REC *rec = context;
  78   SILC_SERVER_REC *server = rec->server;
  79   SilcClientEntry target;
  80   char *nickname = NULL;
  81
  82   if (!clients_count) {
  83     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  84               "%s: There is no such client", rec->nick);
  85   } else {
  86     if (clients_count > 1) {
  87       silc_parse_userfqdn(rec->nick, &nickname, NULL);
  88
  89       /* Find the correct one. The rec->nick might be a formatted nick
  90          so this will find the correct one. */
  91       clients = silc_client_get_clients_local(silc_client, server->conn,
  92                                               nickname, rec->nick,
  93                                               &clients_count);
  94       if (!clients) {
  95         printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
  96                   "%s: There is no such client", rec->nick);
  97         silc_free(nickname);
  98         goto out;
  99       }
 100       silc_free(nickname);
 101     }
 102
 103     target = clients[0];
 104
 105     /* Still check for exact math for nickname, this compares the
 106        real (formatted) nickname and the nick (maybe formatted) that
 107        use gave. This is to assure that `nick' does not match
 108        `nick@host'. */
 109     if (strcasecmp(rec->nick, clients[0]->nickname)) {
 110       printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 111                 "%s: There is no such client", rec->nick);
 112       goto out;
 113     }
 114
 115     /* Send the private message */
 116     silc_client_send_private_message(client, conn, target, 0,
 117                                      rec->msg, strlen(rec->msg),
 118                                      TRUE);
 119   }
 120
 121  out:
 122   g_free(rec->nick);
 123   g_free(rec->msg);
 124   g_free(rec);
 125 }
 126
 127 static void silc_send_msg(SILC_SERVER_REC *server, char *nick, char *msg)
 128 {
 129   PRIVMSG_REC *rec;
 130   SilcClientEntry *clients;
 131   uint32 clients_count;
 132   char *nickname = NULL;
 133
 134   if (!silc_parse_userfqdn(nick, &nickname, NULL)) {
 135     printformat_module("fe-common/silc", server, NULL,
 136                        MSGLEVEL_CRAP, SILCTXT_BAD_NICK, nick);
 137     return;
 138   }
 139
 140   /* Find client entry */
 141   clients = silc_client_get_clients_local(silc_client, server->conn,
 142                                           nickname, nick, &clients_count);
 143   if (!clients) {
 144     rec = g_new0(PRIVMSG_REC, 1);
 145     rec->nick = g_strdup(nick);
 146     rec->msg = g_strdup(msg);
 147     rec->server = server;
 148
 149     /* Could not find client with that nick, resolve it from server. */
 150     silc_client_get_clients(silc_client, server->conn,
 151                             nickname, NULL, silc_send_msg_clients, rec);
 152     silc_free(nickname);
 153     return;
 154   }
 155
 156   /* Send the private message directly */
 157   silc_free(nickname);
 158   silc_client_send_private_message(silc_client, server->conn,
 159                                    clients[0], 0, msg, strlen(msg), TRUE);
 160 }
 161
 162 static int isnickflag_func(char flag)
 163 {
 164   return flag == '@' || flag == '+';
 165 }
 166
 167 static int ischannel_func(SERVER_REC *server, const char *data)
 168 {
 169   return *data == '#';
 170 }
 171
 172 const char *get_nick_flags(void)
 173 {
 174   return "@\0\0";
 175 }
 176
 177 static void send_message(SILC_SERVER_REC *server, char *target, char *msg)
 178 {
 179   g_return_if_fail(server != NULL);
 180   g_return_if_fail(target != NULL);
 181   g_return_if_fail(msg != NULL);
 182
 183   if (*target == '#')
 184     silc_send_channel(server, target, msg);
 185   else
 186     silc_send_msg(server, target, msg);
 187 }
 188
 189 static void sig_connected(SILC_SERVER_REC *server)
 190 {
 191   SilcClientConnection conn;
 192   int fd;
 193
 194   if (!IS_SILC_SERVER(server))
 195     return;
 196
 197   conn = silc_client_add_connection(silc_client,
 198                                     server->connrec->address,
 199                                     server->connrec->port,
 200                                     server);
 201   server->conn = conn;
 202
 203   fd = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
 204   silc_client_start_key_exchange(silc_client, conn, fd);
 205
 206   server->ftp_sessions = silc_dlist_init();
 207   server->isnickflag = isnickflag_func;
 208   server->ischannel = ischannel_func;
 209   server->get_nick_flags = get_nick_flags;
 210   server->send_message = (void *) send_message;
 211 }
 212
 213 static void sig_disconnected(SILC_SERVER_REC *server)
 214 {
 215   if (!IS_SILC_SERVER(server))
 216     return;
 217
 218   silc_dlist_uninit(server->ftp_sessions);
 219
 220   if (server->conn && server->conn->sock != NULL) {
 221     silc_client_close_connection(silc_client, NULL, server->conn);
 222
 223     /* SILC closes the handle */
 224     g_io_channel_unref(net_sendbuffer_handle(server->handle));
 225     net_sendbuffer_destroy(server->handle, FALSE);
 226     server->handle = NULL;
 227   }
 228 }
 229
 230 SILC_SERVER_REC *silc_server_connect(SILC_SERVER_CONNECT_REC *conn)
 231 {
 232   SILC_SERVER_REC *server;
 233
 234   g_return_val_if_fail(IS_SILC_SERVER_CONNECT(conn), NULL);
 235   if (conn->address == NULL || *conn->address == '\0')
 236     return NULL;
 237   if (conn->nick == NULL || *conn->nick == '\0') {
 238     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
 239               "Cannot connect: nickname is not set");
 240     return NULL;
 241   }
 242
 243   server = g_new0(SILC_SERVER_REC, 1);
 244   server->chat_type = SILC_PROTOCOL;
 245   server->connrec = conn;
 246   if (server->connrec->port <= 0)
 247     server->connrec->port = 706;
 248
 249   server_connect_ref(SERVER_CONNECT(conn));
 250
 251   if (!server_start_connect((SERVER_REC *) server)) {
 252     server_connect_unref(SERVER_CONNECT(conn));
 253     g_free(server);
 254     return NULL;
 255   }
 256
 257   return server;
 258 }
 259
 260 /* Return a string of all channels in server in server->channels_join()
 261    format */
 262
 263 char *silc_server_get_channels(SILC_SERVER_REC *server)
 264 {
 265   GSList *tmp;
 266   GString *chans;
 267   char *ret;
 268
 269   g_return_val_if_fail(server != NULL, FALSE);
 270
 271   chans = g_string_new(NULL);
 272   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 273     CHANNEL_REC *channel = tmp->data;
 274
 275     g_string_sprintfa(chans, "%s,", channel->name);
 276   }
 277
 278   if (chans->len > 0)
 279     g_string_truncate(chans, chans->len-1);
 280
 281   ret = chans->str;
 282   g_string_free(chans, FALSE);
 283
 284   return ret;
 285 }
 286
 287 /* Syntaxes of all SILC commands for HELP files (the help file generation
 288    will snoop these from here). */
 289
 290 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 291 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 292 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] [-pubkey|<passwd>] */
 293 /* SYNTAX: GETKEY <nickname or server name> */
 294 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 295 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 296 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 297 /* SYNTAX: KEY CHANNEL <channel> set|unset|list [<arguments>] */
 298 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 299 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] */
 300 /* SYNTAX: OPER <username> [-pubkey] */
 301 /* SYNTAX: SILCOPER <username> [-pubkey] */
 302 /* SYNTAX: TOPIC <channel> [<topic>] */
 303 /* SYNTAX: UMODE +|-<modes> */
 304 /* SYNTAX: WHOIS <nickname>[@<hostname>] [<count>] */
 305 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 306 /* SYNTAX: CLOSE <server> [<port>] */
 307 /* SYNTAX: SHUTDOWN */
 308 /* SYNTAX: MOTD [<server>] */
 309 /* SYNTAX: LIST [<channel>] */
 310 /* SYNTAX: ME <message> */
 311 /* SYNTAX: ACTION <channel> <message> */
 312 /* SYNTAX: AWAY [<message>] */
 313 /* SYNTAX: INFO [<server>] */
 314 /* SYNTAX: NICK <nickname> */
 315 /* SYNTAX: NOTICE <message> */
 316 /* SYNTAX: PART [<channel>] */
 317 /* SYNTAX: PING */
 318 /* SYNTAX: SCONNECT <server> [<port>] */
 319 /* SYNTAX: USERS <channel> */
 320 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] */
 321 /* SYNTAX: FILE RECEIVE [<nickname>] */
 322 /* SYNTAX: FILE CLOSE [<nickname>] */
 323 /* SYNTAX: FILE */
 324 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder <-pubkey|passwd>] */
 325
 326 void silc_command_exec(SILC_SERVER_REC *server,
 327                        const char *command, const char *args)
 328 {
 329   uint32 argc = 0;
 330   unsigned char **argv;
 331   uint32 *argv_lens, *argv_types;
 332   char *data, *tmpcmd;
 333   SilcClientCommand cmd;
 334   SilcClientCommandContext ctx;
 335
 336   g_return_if_fail(server != NULL);
 337
 338   tmpcmd = g_strdup(command);
 339   g_strup(tmpcmd);
 340   cmd = silc_client_command_find(silc_client, tmpcmd);
 341   g_free(tmpcmd);
 342   if (cmd == NULL)
 343     return;
 344
 345   /* Now parse all arguments */
 346   data = g_strconcat(command, " ", args, NULL);
 347   silc_parse_command_line(data, &argv, &argv_lens,
 348                           &argv_types, &argc, cmd->max_args);
 349   g_free(data);
 350
 351   /* Allocate command context. This and its internals must be free'd
 352      by the command routine receiving it. */
 353   ctx = silc_client_command_alloc();
 354   ctx->client = silc_client;
 355   ctx->conn = server->conn;
 356   ctx->command = cmd;
 357   ctx->argc = argc;
 358   ctx->argv = argv;
 359   ctx->argv_lens = argv_lens;
 360   ctx->argv_types = argv_types;
 361
 362   /* Execute command */
 363   silc_client_command_call(cmd, ctx);
 364 }
 365
 366 /* Generic command function to call any SILC command directly. */
 367
 368 static void command_self(const char *data, SILC_SERVER_REC *server,
 369                          WI_ITEM_REC *item)
 370 {
 371   if (!IS_SILC_SERVER(server) || !server->connected) {
 372     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 373     return;
 374   }
 375
 376   if (IS_SILC_CHANNEL(item)) {
 377     SILC_CHANNEL_REC *chanrec;
 378     chanrec = silc_channel_find(server, item->name);
 379     if (chanrec)
 380       server->conn->current_channel = chanrec->entry;
 381   }
 382
 383   silc_command_exec(server, current_command, data);
 384   signal_stop();
 385 }
 386
 387 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 388    has CONNECT command for other purposes. */
 389
 390 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 391 {
 392   if (!IS_SILC_SERVER(server) || !server->connected) {
 393     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 394     return;
 395   }
 396
 397   silc_command_exec(server, "CONNECT", data);
 398   signal_stop();
 399 }
 400
 401 static void event_text(const char *line, SILC_SERVER_REC *server,
 402                        WI_ITEM_REC *item)
 403 {
 404   char *str;
 405
 406   g_return_if_fail(line != NULL);
 407
 408   if (!IS_SILC_ITEM(item))
 409     return;
 410
 411   str = g_strdup_printf("%s %s", item->name, line);
 412   signal_emit("command msg", 3, str, server, item);
 413   g_free(str);
 414
 415  signal_stop();
 416 }
 417
 418 /* FILE command */
 419
 420 SILC_TASK_CALLBACK(silc_client_file_close_later)
 421 {
 422   FtpSession ftp = (FtpSession)context;
 423
 424   SILC_LOG_DEBUG(("Start"));
 425
 426   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 427   silc_free(ftp->filepath);
 428   silc_free(ftp);
 429 }
 430
 431 static void silc_client_file_monitor(SilcClient client,
 432                                      SilcClientConnection conn,
 433                                      SilcClientMonitorStatus status,
 434                                      SilcClientFileError error,
 435                                      uint64 offset,
 436                                      uint64 filesize,
 437                                      SilcClientEntry client_entry,
 438                                      uint32 session_id,
 439                                      const char *filepath,
 440                                      void *context)
 441 {
 442   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 443   FtpSession ftp;
 444   char fsize[32];
 445
 446   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 447
 448   silc_dlist_start(server->ftp_sessions);
 449   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 450     if (ftp->session_id == session_id) {
 451       if (!ftp->filepath && filepath)
 452         ftp->filepath = strdup(filepath);
 453       break;
 454     }
 455   }
 456
 457   if (ftp == SILC_LIST_END)
 458     return;
 459
 460   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 461     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 462       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 463                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 464                          client_entry->nickname,
 465                          filepath ? filepath : "[N/A]");
 466     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 467       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 468                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 469                          client_entry->nickname);
 470     else
 471       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 472                          SILCTXT_FILE_ERROR, client_entry->nickname);
 473     silc_schedule_task_add(silc_client->schedule, 0,
 474                            silc_client_file_close_later, ftp,
 475                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 476     if (ftp == server->current_session)
 477       server->current_session = NULL;
 478     silc_dlist_del(server->ftp_sessions, ftp);
 479   }
 480
 481   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 482     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 483                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 484   }
 485
 486   /* Save some transmission data */
 487   if (offset && filesize) {
 488     unsigned long delta = time(NULL) - ftp->starttime;
 489
 490     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 491     if (delta)
 492       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 493     else
 494       ftp->kps = (double)(offset + 1023) / (double)1024;
 495     ftp->offset = offset;
 496     ftp->filesize = filesize;
 497   }
 498
 499   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 500     if (offset == 0) {
 501       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 502                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 503                          client_entry->nickname);
 504       ftp->starttime = time(NULL);
 505     }
 506     if (offset == filesize) {
 507       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 508                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 509                          client_entry->nickname, ftp->kps);
 510       silc_schedule_task_add(silc_client->schedule, 0,
 511                              silc_client_file_close_later, ftp,
 512                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 513       if (ftp == server->current_session)
 514         server->current_session = NULL;
 515       silc_dlist_del(server->ftp_sessions, ftp);
 516     }
 517   }
 518
 519   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 520     if (offset == 0) {
 521       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 522                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 523                          client_entry->nickname);
 524       ftp->starttime = time(NULL);
 525     }
 526
 527     if (offset == filesize) {
 528       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 529                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 530                          client_entry->nickname, ftp->kps);
 531       silc_schedule_task_add(silc_client->schedule, 0,
 532                              silc_client_file_close_later, ftp,
 533                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 534       if (ftp == server->current_session)
 535         server->current_session = NULL;
 536       silc_dlist_del(server->ftp_sessions, ftp);
 537     }
 538   }
 539 }
 540
 541 typedef struct {
 542   SILC_SERVER_REC *server;
 543   char *data;
 544   char *nick;
 545   WI_ITEM_REC *item;
 546 } *FileGetClients;
 547
 548 static void silc_client_command_file_get_clients(SilcClient client,
 549                                                  SilcClientConnection conn,
 550                                                  SilcClientEntry *clients,
 551                                                  uint32 clients_count,
 552                                                  void *context)
 553 {
 554   FileGetClients internal = (FileGetClients)context;
 555
 556   if (!clients) {
 557     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 558               internal->nick);
 559     silc_free(internal->data);
 560     silc_free(internal->nick);
 561     silc_free(internal);
 562     return;
 563   }
 564
 565   signal_emit("command file", 3, internal->data, internal->server,
 566               internal->item);
 567
 568   silc_free(internal->data);
 569   silc_free(internal->nick);
 570   silc_free(internal);
 571 }
 572
 573 static void command_file(const char *data, SILC_SERVER_REC *server,
 574                          WI_ITEM_REC *item)
 575 {
 576   SilcClientConnection conn;
 577   SilcClientEntry *entrys, client_entry;
 578   SilcClientFileError ret;
 579   uint32 entry_count;
 580   char *nickname = NULL, *tmp;
 581   unsigned char **argv;
 582   uint32 argc;
 583   uint32 *argv_lens, *argv_types;
 584   int type = 0;
 585   FtpSession ftp;
 586   char *local_ip = NULL;
 587   uint32 local_port = 0;
 588   uint32 session_id;
 589
 590   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 591     cmd_return_error(CMDERR_NOT_CONNECTED);
 592
 593   conn = server->conn;
 594
 595   /* Now parse all arguments */
 596   tmp = g_strconcat("FILE", " ", data, NULL);
 597   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 598   g_free(tmp);
 599
 600   if (argc == 1)
 601     type = 4;
 602
 603   if (argc >= 2) {
 604     if (!strcasecmp(argv[1], "send"))
 605       type = 1;
 606     if (!strcasecmp(argv[1], "receive"))
 607       type = 2;
 608     if (!strcasecmp(argv[1], "close"))
 609       type = 3;
 610   }
 611
 612   if (type == 0)
 613     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 614
 615   switch (type) {
 616   case 1:
 617     if (argc < 4)
 618       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 619
 620     /* Parse the typed nickname. */
 621     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 622       printformat_module("fe-common/silc", server, NULL,
 623                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 624       goto out;
 625     }
 626
 627     /* Find client entry */
 628     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 629                                            argv[3], &entry_count);
 630     if (!entrys) {
 631       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 632       inter->server = server;
 633       inter->data = strdup(data);
 634       inter->nick = strdup(nickname);
 635       inter->item = item;
 636       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 637                               silc_client_command_file_get_clients, inter);
 638       goto out;
 639     }
 640     client_entry = entrys[0];
 641     silc_free(entrys);
 642
 643     if (argc >= 5)
 644       local_ip = argv[4];
 645     if (argc >= 6)
 646       local_port = atoi(argv[5]);
 647
 648     ret =
 649       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 650                             server, local_ip, local_port,
 651                             client_entry, argv[2], &session_id);
 652     if (ret == SILC_CLIENT_FILE_OK) {
 653       ftp = silc_calloc(1, sizeof(*ftp));
 654       ftp->session_id = session_id;
 655
 656       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 657                          SILCTXT_FILE_SEND, client_entry->nickname,
 658                          argv[2]);
 659
 660       ftp->client_entry = client_entry;
 661       ftp->filepath = strdup(argv[2]);
 662       ftp->conn = conn;
 663       ftp->send = TRUE;
 664       silc_dlist_add(server->ftp_sessions, ftp);
 665       server->current_session = ftp;
 666     } else {
 667       if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 668         printformat_module("fe-common/silc", server, NULL,
 669                            MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 670                            client_entry->nickname);
 671       if (ret == SILC_CLIENT_FILE_NO_SUCH_FILE)
 672         printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 673                            SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 674                            client_entry->nickname, argv[2]);
 675     }
 676
 677     break;
 678
 679   case 2:
 680     /* Parse the typed nickname. */
 681     if (argc >= 3) {
 682       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 683         printformat_module("fe-common/silc", server, NULL,
 684                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 685         goto out;
 686       }
 687
 688       /* Find client entry */
 689       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 690                                              argv[2], &entry_count);
 691       if (!entrys) {
 692         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 693         inter->server = server;
 694         inter->data = strdup(data);
 695         inter->nick = strdup(nickname);
 696         inter->item = item;
 697         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 698                                 silc_client_command_file_get_clients, inter);
 699         goto out;
 700       }
 701       client_entry = entrys[0];
 702       silc_free(entrys);
 703     } else {
 704       if (!server->current_session) {
 705         printformat_module("fe-common/silc", server, NULL,
 706                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 707         goto out;
 708       }
 709
 710       ret = silc_client_file_receive(silc_client, conn,
 711                                      silc_client_file_monitor, server,
 712                                      server->current_session->session_id);
 713       if (ret != SILC_CLIENT_FILE_OK) {
 714         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 715           printformat_module("fe-common/silc", server, NULL,
 716                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 717                              server->current_session->client_entry->nickname);
 718         else
 719           printformat_module("fe-common/silc", server, NULL,
 720                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 721                              server->current_session->client_entry->nickname);
 722       }
 723
 724       goto out;
 725     }
 726
 727     silc_dlist_start(server->ftp_sessions);
 728     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 729       if (ftp->client_entry == client_entry && !ftp->filepath) {
 730         ret = silc_client_file_receive(silc_client, conn,
 731                                        silc_client_file_monitor, server,
 732                                        ftp->session_id);
 733         if (ret != SILC_CLIENT_FILE_OK) {
 734           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 735             printformat_module("fe-common/silc", server, NULL,
 736                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 737                                client_entry->nickname);
 738           else
 739             printformat_module("fe-common/silc", server, NULL,
 740                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 741                                client_entry->nickname);
 742         }
 743         break;
 744       }
 745     }
 746
 747     if (ftp == SILC_LIST_END) {
 748       printformat_module("fe-common/silc", server, NULL,
 749                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 750                          client_entry->nickname);
 751       goto out;
 752     }
 753     break;
 754
 755   case 3:
 756     /* Parse the typed nickname. */
 757     if (argc >= 3) {
 758       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 759         printformat_module("fe-common/silc", server, NULL,
 760                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 761         goto out;
 762       }
 763
 764       /* Find client entry */
 765       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 766                                              argv[2], &entry_count);
 767       if (!entrys) {
 768         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 769         inter->server = server;
 770         inter->data = strdup(data);
 771         inter->nick = strdup(nickname);
 772         inter->item = item;
 773         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 774                                 silc_client_command_file_get_clients, inter);
 775         goto out;
 776       }
 777       client_entry = entrys[0];
 778       silc_free(entrys);
 779     } else {
 780       if (!server->current_session) {
 781         printformat_module("fe-common/silc", server, NULL,
 782                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 783         goto out;
 784       }
 785
 786       silc_client_file_close(silc_client, conn,
 787                              server->current_session->session_id);
 788       printformat_module("fe-common/silc", server, NULL,
 789                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 790                          server->current_session->client_entry->nickname,
 791                          server->current_session->filepath ?
 792                          server->current_session->filepath : "[N/A]");
 793       silc_dlist_del(server->ftp_sessions, server->current_session);
 794       silc_free(server->current_session->filepath);
 795       silc_free(server->current_session);
 796       server->current_session = NULL;
 797       goto out;
 798     }
 799
 800     silc_dlist_start(server->ftp_sessions);
 801     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 802       if (ftp->client_entry == client_entry) {
 803         silc_client_file_close(silc_client, conn, ftp->session_id);
 804         printformat_module("fe-common/silc", server, NULL,
 805                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 806                            client_entry->nickname,
 807                            ftp->filepath ? ftp->filepath : "[N/A]");
 808         if (ftp == server->current_session)
 809           server->current_session = NULL;
 810         silc_dlist_del(server->ftp_sessions, ftp);
 811         silc_free(ftp->filepath);
 812         silc_free(ftp);
 813         break;
 814       }
 815     }
 816
 817     if (ftp == SILC_LIST_END) {
 818       printformat_module("fe-common/silc", server, NULL,
 819                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 820                          client_entry->nickname);
 821       goto out;
 822     }
 823     break;
 824
 825   case 4:
 826
 827     if (!silc_dlist_count(server->ftp_sessions)) {
 828       printformat_module("fe-common/silc", server, NULL,
 829                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 830       goto out;
 831     }
 832
 833     printformat_module("fe-common/silc", server, NULL,
 834                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 835
 836     silc_dlist_start(server->ftp_sessions);
 837     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 838       printformat_module("fe-common/silc", server, NULL,
 839                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 840                          ftp->client_entry->nickname,
 841                          ftp->send ? "send" : "receive",
 842                          (uint32)(ftp->offset + 1023) / 1024,
 843                          (uint32)(ftp->filesize + 1023) / 1024,
 844                          ftp->percent, ftp->kps,
 845                          ftp->filepath ? ftp->filepath : "[N/A]");
 846     }
 847
 848     break;
 849
 850   default:
 851     break;
 852   }
 853
 854  out:
 855   silc_free(nickname);
 856 }
 857
 858 void silc_server_init(void)
 859 {
 860   silc_servers_reconnect_init();
 861
 862   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 863   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 864   signal_add("send text", (SIGNAL_FUNC) event_text);
 865   command_bind("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 866   command_bind("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 867   command_bind("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 868   command_bind("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 869   command_bind("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 870   command_bind("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 871   command_bind("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 872   command_bind("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 873   command_bind("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 874   command_bind("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 875   command_bind("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 876   command_bind("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 877   command_bind("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 878   command_bind("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 879   command_bind("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 880   command_bind("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 881   command_bind("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 882   command_bind("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 883   command_bind("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 884   command_bind("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 885   command_bind("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 886   command_bind("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 887   command_bind("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 888
 889   command_set_options("connect", "+silcnet");
 890 }
 891
 892 void silc_server_deinit(void)
 893 {
 894   silc_servers_reconnect_deinit();
 895
 896   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 897   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 898   signal_remove("send text", (SIGNAL_FUNC) event_text);
 899   command_unbind("whois", (SIGNAL_FUNC) command_self);
 900   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 901   command_unbind("nick", (SIGNAL_FUNC) command_self);
 902   command_unbind("topic", (SIGNAL_FUNC) command_self);
 903   command_unbind("cmode", (SIGNAL_FUNC) command_self);
 904   command_unbind("cumode", (SIGNAL_FUNC) command_self);
 905   command_unbind("users", (SIGNAL_FUNC) command_self);
 906   command_unbind("list", (SIGNAL_FUNC) command_self);
 907   command_unbind("oper", (SIGNAL_FUNC) command_self);
 908   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
 909   command_unbind("umode", (SIGNAL_FUNC) command_self);
 910   command_unbind("invite", (SIGNAL_FUNC) command_self);
 911   command_unbind("kill", (SIGNAL_FUNC) command_self);
 912   command_unbind("kick", (SIGNAL_FUNC) command_self);
 913   command_unbind("info", (SIGNAL_FUNC) command_self);
 914   command_unbind("ping", (SIGNAL_FUNC) command_self);
 915   command_unbind("motd", (SIGNAL_FUNC) command_self);
 916   command_unbind("ban", (SIGNAL_FUNC) command_self);
 917   command_unbind("close", (SIGNAL_FUNC) command_self);
 918   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
 919   command_unbind("getkey", (SIGNAL_FUNC) command_self);
 920   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
 921   command_unbind("file", (SIGNAL_FUNC) command_file);
 922 }
 923
 924 void silc_server_free_ftp(SILC_SERVER_REC *server,
 925                           SilcClientEntry client_entry)
 926 {
 927   FtpSession ftp;
 928
 929   silc_dlist_start(server->ftp_sessions);
 930   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 931     if (ftp->client_entry == client_entry) {
 932       silc_dlist_del(server->ftp_sessions, ftp);
 933       silc_free(ftp->filepath);
 934       silc_free(ftp);
 935     }
 936   }
 937 }