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