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