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

   1 /* -*-c-*-
   2  *
   3  * Identifies and logs the client of a connection
   4  *
   5  * (c) 1999 Straylight/Edgeware
   6  */
   7
   8 /*----- Licensing notice --------------------------------------------------*
   9  *
  10  * This file is part of the `fw' port forwarder.
  11  *
  12  * `fw' is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * `fw' is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with `fw'; if not, write to the Free Software Foundation,
  24  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  */
  26
  27 #ifndef IDENTIFY_H
  28 #define IDENTIFY_H
  29
  30 #ifdef __cplusplus
  31   extern "C" {
  32 #endif
  33
  34 /*----- Header files ------------------------------------------------------*/
  35
  36 #include <sys/types.h>
  37 #include <sys/socket.h>
  38 #include <netinet/in.h>
  39
  40 #ifndef REFFD_H
  41 #  include "reffd.h"
  42 #endif
  43
  44 /*----- Data structures ---------------------------------------------------*/
  45
  46 typedef struct id_req {
  47   struct sockaddr_in lsin;              /* Local address of connection */
  48   struct sockaddr_in rsin;              /* Remote address of connection */
  49   const char *desc;                     /* Description of connection */
  50   const char *act;                      /* Action taken by server */
  51   reffd *r;                             /* Pointer to file descriptor */
  52 } id_req;
  53
  54 /*----- Functions provided ------------------------------------------------*/
  55
  56 /* --- @identify@ --- *
  57  *
  58  * Arguments:   @const id_req *q@ = pointer to request block
  59  *
  60  * Returns:     ---
  61  *
  62  * Use:         Starts a background ident lookup and reverse-resolve job
  63  *              which will, eventually, report a message to the system log.
  64  */
  65
  66 extern void identify(const id_req */*q*/);
  67
  68 /*----- That's all, folks -------------------------------------------------*/
  69
  70 #ifdef __cplusplus
  71   }
  72 #endif
  73
  74 #endif