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(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   if (!server_start_connect((SERVER_REC *) server)) {
 250     server_connect_free(SERVER_CONNECT(conn));
 251     g_free(server);
 252     return NULL;
 253   }
 254
 255   return server;
 256 }
 257
 258 /* Return a string of all channels in server in server->channels_join()
 259    format */
 260
 261 char *silc_server_get_channels(SILC_SERVER_REC *server)
 262 {
 263   GSList *tmp;
 264   GString *chans;
 265   char *ret;
 266
 267   g_return_val_if_fail(server != NULL, FALSE);
 268
 269   chans = g_string_new(NULL);
 270   for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
 271     CHANNEL_REC *channel = tmp->data;
 272
 273     g_string_sprintfa(chans, "%s,", channel->name);
 274   }
 275
 276   if (chans->len > 0)
 277     g_string_truncate(chans, chans->len-1);
 278
 279   ret = chans->str;
 280   g_string_free(chans, FALSE);
 281
 282   return ret;
 283 }
 284
 285 /* Syntaxes of all SILC commands for HELP files (the help file generation
 286    will snoop these from here). */
 287
 288 /* SYNTAX: BAN <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 289 /* SYNTAX: CMODE <channel> +|-<modes> [{ <arguments>}] */
 290 /* SYNTAX: CUMODE <channel> +|-<modes> <nickname>[@<hostname>] [-pubkey|<passwd>] */
 291 /* SYNTAX: GETKEY <nickname or server name> */
 292 /* SYNTAX: INVITE <channel> [<nickname>[@hostname>] */
 293 /* SYNTAX: INVITE <channel> [+|-[<nickname>[@<server>[!<username>[@hostname>]]]]] */
 294 /* SYNTAX: KEY MSG <nickname> set|unset|list|agreement|negotiate [<arguments>] */
 295 /* SYNTAX: KEY CHANNEL <channel> set|unset|list [<arguments>] */
 296 /* SYNTAX: KICK <channel> <nickname>[@<hostname>] [<comment>] */
 297 /* SYNTAX: KILL <nickname>[@<hostname>] [<comment>] */
 298 /* SYNTAX: OPER <username> [-pubkey] */
 299 /* SYNTAX: SILCOPER <username> [-pubkey] */
 300 /* SYNTAX: TOPIC <channel> [<topic>] */
 301 /* SYNTAX: UMODE +|-<modes> */
 302 /* SYNTAX: WHOIS <nickname>[@<hostname>] [<count>] */
 303 /* SYNTAX: WHOWAS <nickname>[@<hostname>] [<count>] */
 304 /* SYNTAX: CLOSE <server> [<port>] */
 305 /* SYNTAX: SHUTDOWN */
 306 /* SYNTAX: MOTD [<server>] */
 307 /* SYNTAX: LIST [<channel>] */
 308 /* SYNTAX: ME <message> */
 309 /* SYNTAX: ACTION <channel> <message> */
 310 /* SYNTAX: AWAY [<message>] */
 311 /* SYNTAX: INFO [<server>] */
 312 /* SYNTAX: NICK <nickname> */
 313 /* SYNTAX: NOTICE <message> */
 314 /* SYNTAX: PART [<channel>] */
 315 /* SYNTAX: PING */
 316 /* SYNTAX: SCONNECT <server> [<port>] */
 317 /* SYNTAX: USERS <channel> */
 318 /* SYNTAX: FILE SEND <filepath> <nickname> [<local IP> [<local port>]] */
 319 /* SYNTAX: FILE RECEIVE [<nickname>] */
 320 /* SYNTAX: FILE CLOSE [<nickname>] */
 321 /* SYNTAX: FILE */
 322 /* SYNTAX: JOIN <channel> [<passphrase>] [-cipher <cipher>] [-hmac <hmac>] [-founder <-pubkey|passwd>] */
 323
 324 void silc_command_exec(SILC_SERVER_REC *server,
 325                        const char *command, const char *args)
 326 {
 327   uint32 argc = 0;
 328   unsigned char **argv;
 329   uint32 *argv_lens, *argv_types;
 330   char *data, *tmpcmd;
 331   SilcClientCommand cmd;
 332   SilcClientCommandContext ctx;
 333
 334   g_return_if_fail(server != NULL);
 335
 336   tmpcmd = g_strdup(command);
 337   g_strup(tmpcmd);
 338   cmd = silc_client_command_find(silc_client, tmpcmd);
 339   g_free(tmpcmd);
 340   if (cmd == NULL)
 341     return;
 342
 343   /* Now parse all arguments */
 344   data = g_strconcat(command, " ", args, NULL);
 345   silc_parse_command_line(data, &argv, &argv_lens,
 346                           &argv_types, &argc, cmd->max_args);
 347   g_free(data);
 348
 349   /* Allocate command context. This and its internals must be free'd
 350      by the command routine receiving it. */
 351   ctx = silc_client_command_alloc();
 352   ctx->client = silc_client;
 353   ctx->conn = server->conn;
 354   ctx->command = cmd;
 355   ctx->argc = argc;
 356   ctx->argv = argv;
 357   ctx->argv_lens = argv_lens;
 358   ctx->argv_types = argv_types;
 359
 360   /* Execute command */
 361   silc_client_command_call(cmd, ctx);
 362 }
 363
 364 /* Generic command function to call any SILC command directly. */
 365
 366 static void command_self(const char *data, SILC_SERVER_REC *server,
 367                          WI_ITEM_REC *item)
 368 {
 369   if (!IS_SILC_SERVER(server) || !server->connected) {
 370     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 371     return;
 372   }
 373
 374   if (IS_SILC_CHANNEL(item)) {
 375     SILC_CHANNEL_REC *chanrec;
 376     chanrec = silc_channel_find(server, item->name);
 377     if (chanrec)
 378       server->conn->current_channel = chanrec->entry;
 379   }
 380
 381   silc_command_exec(server, current_command, data);
 382   signal_stop();
 383 }
 384
 385 /* SCONNECT command.  Calls actually SILC's CONNECT command since Irssi
 386    has CONNECT command for other purposes. */
 387
 388 static void command_sconnect(const char *data, SILC_SERVER_REC *server)
 389 {
 390   if (!IS_SILC_SERVER(server) || !server->connected) {
 391     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Not connected to server");
 392     return;
 393   }
 394
 395   silc_command_exec(server, "CONNECT", data);
 396   signal_stop();
 397 }
 398
 399 static void event_text(const char *line, SILC_SERVER_REC *server,
 400                        WI_ITEM_REC *item)
 401 {
 402   char *str;
 403
 404   g_return_if_fail(line != NULL);
 405
 406   if (!IS_SILC_ITEM(item))
 407     return;
 408
 409   str = g_strdup_printf("%s %s", item->name, line);
 410   signal_emit("command msg", 3, str, server, item);
 411   g_free(str);
 412
 413  signal_stop();
 414 }
 415
 416 /* FILE command */
 417
 418 SILC_TASK_CALLBACK(silc_client_file_close_later)
 419 {
 420   FtpSession ftp = (FtpSession)context;
 421
 422   SILC_LOG_DEBUG(("Start"));
 423
 424   silc_client_file_close(silc_client, ftp->conn, ftp->session_id);
 425   silc_free(ftp->filepath);
 426   silc_free(ftp);
 427 }
 428
 429 static void silc_client_file_monitor(SilcClient client,
 430                                      SilcClientConnection conn,
 431                                      SilcClientMonitorStatus status,
 432                                      SilcClientFileError error,
 433                                      uint64 offset,
 434                                      uint64 filesize,
 435                                      SilcClientEntry client_entry,
 436                                      uint32 session_id,
 437                                      const char *filepath,
 438                                      void *context)
 439 {
 440   SILC_SERVER_REC *server = (SILC_SERVER_REC *)context;
 441   FtpSession ftp;
 442   char fsize[32];
 443
 444   snprintf(fsize, sizeof(fsize) - 1, "%llu", ((filesize + 1023) / 1024));
 445
 446   silc_dlist_start(server->ftp_sessions);
 447   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 448     if (ftp->session_id == session_id) {
 449       if (!ftp->filepath && filepath)
 450         ftp->filepath = strdup(filepath);
 451       break;
 452     }
 453   }
 454
 455   if (ftp == SILC_LIST_END)
 456     return;
 457
 458   if (status == SILC_CLIENT_FILE_MONITOR_ERROR) {
 459     if (error == SILC_CLIENT_FILE_NO_SUCH_FILE)
 460       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 461                          SILCTXT_FILE_ERROR_NO_SUCH_FILE,
 462                          client_entry->nickname,
 463                          filepath ? filepath : "[N/A]");
 464     else if (error == SILC_CLIENT_FILE_PERMISSION_DENIED)
 465       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 466                          SILCTXT_FILE_ERROR_PERMISSION_DENIED,
 467                          client_entry->nickname);
 468     else
 469       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 470                          SILCTXT_FILE_ERROR, client_entry->nickname);
 471     silc_schedule_task_add(silc_client->schedule, 0,
 472                            silc_client_file_close_later, ftp,
 473                            1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 474     if (ftp == server->current_session)
 475       server->current_session = NULL;
 476     silc_dlist_del(server->ftp_sessions, ftp);
 477   }
 478
 479   if (status == SILC_CLIENT_FILE_MONITOR_KEY_AGREEMENT) {
 480     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 481                        SILCTXT_FILE_KEY_EXCHANGE, client_entry->nickname);
 482   }
 483
 484   /* Save some transmission data */
 485   if (offset && filesize) {
 486     unsigned long delta = time(NULL) - ftp->starttime;
 487
 488     ftp->percent = ((double)offset / (double)filesize) * (double)100.0;
 489     if (delta)
 490       ftp->kps = (double)((offset / (double)delta) + 1023) / (double)1024;
 491     else
 492       ftp->kps = (double)(offset + 1023) / (double)1024;
 493     ftp->offset = offset;
 494     ftp->filesize = filesize;
 495   }
 496
 497   if (status == SILC_CLIENT_FILE_MONITOR_SEND) {
 498     if (offset == 0) {
 499       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 500                          SILCTXT_FILE_TRANSMIT, filepath, fsize,
 501                          client_entry->nickname);
 502       ftp->starttime = time(NULL);
 503     }
 504     if (offset == filesize) {
 505       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 506                          SILCTXT_FILE_TRANSMITTED, filepath, fsize,
 507                          client_entry->nickname, ftp->kps);
 508       silc_schedule_task_add(silc_client->schedule, 0,
 509                              silc_client_file_close_later, ftp,
 510                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 511       if (ftp == server->current_session)
 512         server->current_session = NULL;
 513       silc_dlist_del(server->ftp_sessions, ftp);
 514     }
 515   }
 516
 517   if (status == SILC_CLIENT_FILE_MONITOR_RECEIVE) {
 518     if (offset == 0) {
 519       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 520                          SILCTXT_FILE_RECEIVE, filepath, fsize,
 521                          client_entry->nickname);
 522       ftp->starttime = time(NULL);
 523     }
 524
 525     if (offset == filesize) {
 526       printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 527                          SILCTXT_FILE_RECEIVED, filepath, fsize,
 528                          client_entry->nickname, ftp->kps);
 529       silc_schedule_task_add(silc_client->schedule, 0,
 530                              silc_client_file_close_later, ftp,
 531                              1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 532       if (ftp == server->current_session)
 533         server->current_session = NULL;
 534       silc_dlist_del(server->ftp_sessions, ftp);
 535     }
 536   }
 537 }
 538
 539 typedef struct {
 540   SILC_SERVER_REC *server;
 541   char *data;
 542   char *nick;
 543   WI_ITEM_REC *item;
 544 } *FileGetClients;
 545
 546 static void silc_client_command_file_get_clients(SilcClient client,
 547                                                  SilcClientConnection conn,
 548                                                  SilcClientEntry *clients,
 549                                                  uint32 clients_count,
 550                                                  void *context)
 551 {
 552   FileGetClients internal = (FileGetClients)context;
 553
 554   if (!clients) {
 555     printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
 556               internal->nick);
 557     silc_free(internal->data);
 558     silc_free(internal->nick);
 559     silc_free(internal);
 560     return;
 561   }
 562
 563   signal_emit("command file", 3, internal->data, internal->server,
 564               internal->item);
 565
 566   silc_free(internal->data);
 567   silc_free(internal->nick);
 568   silc_free(internal);
 569 }
 570
 571 static void command_file(const char *data, SILC_SERVER_REC *server,
 572                          WI_ITEM_REC *item)
 573 {
 574   SilcClientConnection conn;
 575   SilcClientEntry *entrys, client_entry;
 576   SilcClientFileError ret;
 577   uint32 entry_count;
 578   char *nickname = NULL, *tmp;
 579   unsigned char **argv;
 580   uint32 argc;
 581   uint32 *argv_lens, *argv_types;
 582   int type = 0;
 583   FtpSession ftp;
 584   char *local_ip = NULL;
 585   uint32 local_port = 0;
 586
 587   if (!server || !IS_SILC_SERVER(server) || !server->connected)
 588     cmd_return_error(CMDERR_NOT_CONNECTED);
 589
 590   conn = server->conn;
 591
 592   /* Now parse all arguments */
 593   tmp = g_strconcat("FILE", " ", data, NULL);
 594   silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 6);
 595   g_free(tmp);
 596
 597   if (argc == 1)
 598     type = 4;
 599
 600   if (argc >= 2) {
 601     if (!strcasecmp(argv[1], "send"))
 602       type = 1;
 603     if (!strcasecmp(argv[1], "receive"))
 604       type = 2;
 605     if (!strcasecmp(argv[1], "close"))
 606       type = 3;
 607   }
 608
 609   if (type == 0)
 610     cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 611
 612   switch (type) {
 613   case 1:
 614     if (argc < 4)
 615       cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 616
 617     /* Parse the typed nickname. */
 618     if (!silc_parse_userfqdn(argv[3], &nickname, NULL)) {
 619       printformat_module("fe-common/silc", server, NULL,
 620                          MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[3]);
 621       goto out;
 622     }
 623
 624     /* Find client entry */
 625     entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 626                                            argv[3], &entry_count);
 627     if (!entrys) {
 628       FileGetClients inter = silc_calloc(1, sizeof(*inter));
 629       inter->server = server;
 630       inter->data = strdup(data);
 631       inter->nick = strdup(nickname);
 632       inter->item = item;
 633       silc_client_get_clients(silc_client, conn, nickname, argv[3],
 634                               silc_client_command_file_get_clients, inter);
 635       goto out;
 636     }
 637     client_entry = entrys[0];
 638     silc_free(entrys);
 639
 640     if (argc >= 5)
 641       local_ip = argv[4];
 642     if (argc >= 6)
 643       local_port = atoi(argv[5]);
 644
 645     ftp = silc_calloc(1, sizeof(*ftp));
 646     ftp->session_id =
 647       silc_client_file_send(silc_client, conn, silc_client_file_monitor,
 648                             server, local_ip, local_port,
 649                             client_entry, argv[2]);
 650
 651     printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
 652                        SILCTXT_FILE_SEND, client_entry->nickname,
 653                        argv[2]);
 654
 655     ftp->client_entry = client_entry;
 656     ftp->filepath = strdup(argv[2]);
 657     ftp->conn = conn;
 658     ftp->send = TRUE;
 659     silc_dlist_add(server->ftp_sessions, ftp);
 660     server->current_session = ftp;
 661
 662     break;
 663
 664   case 2:
 665     /* Parse the typed nickname. */
 666     if (argc >= 3) {
 667       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 668         printformat_module("fe-common/silc", server, NULL,
 669                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 670         goto out;
 671       }
 672
 673       /* Find client entry */
 674       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 675                                              argv[2], &entry_count);
 676       if (!entrys) {
 677         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 678         inter->server = server;
 679         inter->data = strdup(data);
 680         inter->nick = strdup(nickname);
 681         inter->item = item;
 682         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 683                                 silc_client_command_file_get_clients, inter);
 684         goto out;
 685       }
 686       client_entry = entrys[0];
 687       silc_free(entrys);
 688     } else {
 689       if (!server->current_session) {
 690         printformat_module("fe-common/silc", server, NULL,
 691                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 692         goto out;
 693       }
 694
 695       ret = silc_client_file_receive(silc_client, conn,
 696                                      silc_client_file_monitor, server,
 697                                      server->current_session->session_id);
 698       if (ret != SILC_CLIENT_FILE_OK) {
 699         if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 700           printformat_module("fe-common/silc", server, NULL,
 701                              MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 702                              server->current_session->client_entry->nickname);
 703         else
 704           printformat_module("fe-common/silc", server, NULL,
 705                              MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 706                              server->current_session->client_entry->nickname);
 707       }
 708
 709       goto out;
 710     }
 711
 712     silc_dlist_start(server->ftp_sessions);
 713     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 714       if (ftp->client_entry == client_entry && !ftp->filepath) {
 715         ret = silc_client_file_receive(silc_client, conn,
 716                                        silc_client_file_monitor, server,
 717                                        ftp->session_id);
 718         if (ret != SILC_CLIENT_FILE_OK) {
 719           if (ret == SILC_CLIENT_FILE_ALREADY_STARTED)
 720             printformat_module("fe-common/silc", server, NULL,
 721                                MSGLEVEL_CRAP, SILCTXT_FILE_ALREADY_STARTED,
 722                                client_entry->nickname);
 723           else
 724             printformat_module("fe-common/silc", server, NULL,
 725                                MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 726                                client_entry->nickname);
 727         }
 728         break;
 729       }
 730     }
 731
 732     if (ftp == SILC_LIST_END) {
 733       printformat_module("fe-common/silc", server, NULL,
 734                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 735                          client_entry->nickname);
 736       goto out;
 737     }
 738     break;
 739
 740   case 3:
 741     /* Parse the typed nickname. */
 742     if (argc >= 3) {
 743       if (!silc_parse_userfqdn(argv[2], &nickname, NULL)) {
 744         printformat_module("fe-common/silc", server, NULL,
 745                            MSGLEVEL_CRAP, SILCTXT_BAD_NICK, argv[2]);
 746         goto out;
 747       }
 748
 749       /* Find client entry */
 750       entrys = silc_client_get_clients_local(silc_client, conn, nickname,
 751                                              argv[2], &entry_count);
 752       if (!entrys) {
 753         FileGetClients inter = silc_calloc(1, sizeof(*inter));
 754         inter->server = server;
 755         inter->data = strdup(data);
 756         inter->nick = strdup(nickname);
 757         inter->item = item;
 758         silc_client_get_clients(silc_client, conn, nickname, argv[2],
 759                                 silc_client_command_file_get_clients, inter);
 760         goto out;
 761       }
 762       client_entry = entrys[0];
 763       silc_free(entrys);
 764     } else {
 765       if (!server->current_session) {
 766         printformat_module("fe-common/silc", server, NULL,
 767                            MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 768         goto out;
 769       }
 770
 771       silc_client_file_close(silc_client, conn,
 772                              server->current_session->session_id);
 773       printformat_module("fe-common/silc", server, NULL,
 774                          MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 775                          server->current_session->client_entry->nickname,
 776                          server->current_session->filepath ?
 777                          server->current_session->filepath : "[N/A]");
 778       silc_dlist_del(server->ftp_sessions, server->current_session);
 779       silc_free(server->current_session->filepath);
 780       silc_free(server->current_session);
 781       server->current_session = NULL;
 782       goto out;
 783     }
 784
 785     silc_dlist_start(server->ftp_sessions);
 786     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 787       if (ftp->client_entry == client_entry) {
 788         silc_client_file_close(silc_client, conn, ftp->session_id);
 789         printformat_module("fe-common/silc", server, NULL,
 790                            MSGLEVEL_CRAP, SILCTXT_FILE_CLOSED,
 791                            client_entry->nickname,
 792                            ftp->filepath ? ftp->filepath : "[N/A]");
 793         if (ftp == server->current_session)
 794           server->current_session = NULL;
 795         silc_dlist_del(server->ftp_sessions, ftp);
 796         silc_free(ftp->filepath);
 797         silc_free(ftp);
 798         break;
 799       }
 800     }
 801
 802     if (ftp == SILC_LIST_END) {
 803       printformat_module("fe-common/silc", server, NULL,
 804                          MSGLEVEL_CRAP, SILCTXT_FILE_CLIENT_NA,
 805                          client_entry->nickname);
 806       goto out;
 807     }
 808     break;
 809
 810   case 4:
 811
 812     if (!silc_dlist_count(server->ftp_sessions)) {
 813       printformat_module("fe-common/silc", server, NULL,
 814                          MSGLEVEL_CRAP, SILCTXT_FILE_NA);
 815       goto out;
 816     }
 817
 818     printformat_module("fe-common/silc", server, NULL,
 819                        MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_HEADER);
 820
 821     silc_dlist_start(server->ftp_sessions);
 822     while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 823       printformat_module("fe-common/silc", server, NULL,
 824                          MSGLEVEL_CRAP, SILCTXT_FILE_SHOW_LINE,
 825                          ftp->client_entry->nickname,
 826                          ftp->send ? "send" : "receive",
 827                          (uint32)(ftp->offset + 1023) / 1024,
 828                          (uint32)(ftp->filesize + 1023) / 1024,
 829                          ftp->percent, ftp->kps,
 830                          ftp->filepath ? ftp->filepath : "[N/A]");
 831     }
 832
 833     break;
 834
 835   default:
 836     break;
 837   }
 838
 839  out:
 840   silc_free(nickname);
 841 }
 842
 843 void silc_server_init(void)
 844 {
 845   silc_servers_reconnect_init();
 846
 847   signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 848   signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 849   signal_add("send text", (SIGNAL_FUNC) event_text);
 850   command_bind("whois", MODULE_NAME, (SIGNAL_FUNC) command_self);
 851   command_bind("whowas", MODULE_NAME, (SIGNAL_FUNC) command_self);
 852   command_bind("nick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 853   command_bind("topic", MODULE_NAME, (SIGNAL_FUNC) command_self);
 854   command_bind("cmode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 855   command_bind("cumode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 856   command_bind("users", MODULE_NAME, (SIGNAL_FUNC) command_self);
 857   command_bind("list", MODULE_NAME, (SIGNAL_FUNC) command_self);
 858   command_bind("ban", MODULE_NAME, (SIGNAL_FUNC) command_self);
 859   command_bind("oper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 860   command_bind("silcoper", MODULE_NAME, (SIGNAL_FUNC) command_self);
 861   command_bind("umode", MODULE_NAME, (SIGNAL_FUNC) command_self);
 862   command_bind("invite", MODULE_NAME, (SIGNAL_FUNC) command_self);
 863   command_bind("kill", MODULE_NAME, (SIGNAL_FUNC) command_self);
 864   command_bind("kick", MODULE_NAME, (SIGNAL_FUNC) command_self);
 865   command_bind("info", MODULE_NAME, (SIGNAL_FUNC) command_self);
 866   command_bind("ping", MODULE_NAME, (SIGNAL_FUNC) command_self);
 867   command_bind("motd", MODULE_NAME, (SIGNAL_FUNC) command_self);
 868   command_bind("close", MODULE_NAME, (SIGNAL_FUNC) command_self);
 869   command_bind("shutdown", MODULE_NAME, (SIGNAL_FUNC) command_self);
 870   command_bind("getkey", MODULE_NAME, (SIGNAL_FUNC) command_self);
 871   command_bind("sconnect", MODULE_NAME, (SIGNAL_FUNC) command_sconnect);
 872   command_bind("file", MODULE_NAME, (SIGNAL_FUNC) command_file);
 873
 874   command_set_options("connect", "+silcnet");
 875 }
 876
 877 void silc_server_deinit(void)
 878 {
 879   silc_servers_reconnect_deinit();
 880
 881   signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 882   signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
 883   signal_remove("send text", (SIGNAL_FUNC) event_text);
 884   command_unbind("whois", (SIGNAL_FUNC) command_self);
 885   command_unbind("whowas", (SIGNAL_FUNC) command_self);
 886   command_unbind("nick", (SIGNAL_FUNC) command_self);
 887   command_unbind("topic", (SIGNAL_FUNC) command_self);
 888   command_unbind("cmode", (SIGNAL_FUNC) command_self);
 889   command_unbind("cumode", (SIGNAL_FUNC) command_self);
 890   command_unbind("users", (SIGNAL_FUNC) command_self);
 891   command_unbind("list", (SIGNAL_FUNC) command_self);
 892   command_unbind("oper", (SIGNAL_FUNC) command_self);
 893   command_unbind("silcoper", (SIGNAL_FUNC) command_self);
 894   command_unbind("umode", (SIGNAL_FUNC) command_self);
 895   command_unbind("invite", (SIGNAL_FUNC) command_self);
 896   command_unbind("kill", (SIGNAL_FUNC) command_self);
 897   command_unbind("kick", (SIGNAL_FUNC) command_self);
 898   command_unbind("info", (SIGNAL_FUNC) command_self);
 899   command_unbind("ping", (SIGNAL_FUNC) command_self);
 900   command_unbind("motd", (SIGNAL_FUNC) command_self);
 901   command_unbind("ban", (SIGNAL_FUNC) command_self);
 902   command_unbind("close", (SIGNAL_FUNC) command_self);
 903   command_unbind("shutdown", (SIGNAL_FUNC) command_self);
 904   command_unbind("getkey", (SIGNAL_FUNC) command_self);
 905   command_unbind("sconnect", (SIGNAL_FUNC) command_sconnect);
 906   command_unbind("file", (SIGNAL_FUNC) command_file);
 907 }
 908
 909 void silc_server_free_ftp(SILC_SERVER_REC *server,
 910                           SilcClientEntry client_entry)
 911 {
 912   FtpSession ftp;
 913
 914   silc_dlist_start(server->ftp_sessions);
 915   while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
 916     if (ftp->client_entry == client_entry) {
 917       silc_dlist_del(server->ftp_sessions, ftp);
 918       silc_free(ftp->filepath);
 919       silc_free(ftp);
 920     }
 921   }
 922 }