mdw@git.distorted.org.uk Git - fwd/blob - listener.h

   1 /* -*-c-*-
   2  *
   3  * $Id: listener.h,v 1.1 1999/07/01 08:56:23 mdw Exp $
   4  *
   5  * A port forwarding listener
   6  *
   7  * (c) 1999 Mark Wooding
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of the `fw' port forwarder.
  13  *
  14  * `fw' is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * `fw' is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with `fw'; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: listener.h,v $
  32  * Revision 1.1  1999/07/01 08:56:23  mdw
  33  * Initial revision
  34  *
  35  */
  36
  37 #ifndef LISTENER_H
  38 #define LISTENER_H
  39
  40 #ifdef __cplusplus
  41   extern "C" {
  42 #endif
  43
  44 /*----- Header files ------------------------------------------------------*/
  45
  46 #include <stdio.h>
  47
  48 #include <sys/socket.h>
  49 #include <netinet/in.h>
  50
  51 #include <mLib/sel.h>
  52
  53 #ifndef ACL_H
  54 #  include "acl.h"
  55 #endif
  56
  57 /*----- Data structures ---------------------------------------------------*/
  58
  59 /* --- A listener object --- */
  60
  61 typedef struct listener {
  62   sel_file rd;                          /* Read selector for new connects */
  63   struct sockaddr_in sin;               /* Destination address */
  64   const char *desc;                     /* Description of forwarder */
  65   acl_entry *acl;                       /* Access controls */
  66 } listener;
  67
  68 /*----- Functions provided ------------------------------------------------*/
  69
  70 /* --- @listener_dump@ --- *
  71  *
  72  * Arguments:   @listener *l@ = pointer to listener block
  73  *              @FILE *fp@ = stream to dump on
  74  *
  75  * Returns:     ---
  76  *
  77  * Use:         Dumps a listener to an output stream.
  78  */
  79
  80 extern void listener_dump(listener */*l*/, FILE */*fp*/);
  81
  82 /* --- @listener_add@ --- *
  83  *
  84  * Arguments:   @int fd@ = created listening socket
  85  *              @unsigned sp@ = source port number
  86  *              @struct sockaddr_in *sin@ = pointer to destination address
  87  *
  88  * Returns:     The address of the new listener.
  89  *
  90  * Use:         Adds a forwarding listener.
  91  */
  92
  93 extern listener *listener_add(int /*fd*/,
  94                               unsigned /*sp*/, struct sockaddr_in */*sin*/);
  95
  96 /*----- That's all, folks -------------------------------------------------*/
  97
  98 #ifdef __cplusplus
  99   }
 100 #endif
 101
 102 #endif