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