login/programs/utmpd.h

   1 /* Copyright (C) 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _UTMPD_H
  21 #define _UTMPD_H                1
  22
  23 /* This is an *internal* header.  */
  24
  25 #include <stddef.h>
  26 #include <utmp.h>
  27
  28
  29 /* Paths to daemon sockets.  */
  30 #define _PATH_UTMPD_RO  "/var/run/utmpd.ro"
  31 #define _PATH_UTMPD_RW  "/var/run/utmpd.rw"
  32
  33
  34 /* Path to PID file.  */
  35 #define _PATH_UTMPDPID  "/var/run/utmpd.pid"
  36
  37
  38 /* Version number of the daemon interface.  */
  39 #define UTMPD_VERSION   1
  40
  41
  42 /* Services provided.  */
  43 typedef enum
  44 {
  45   UTMPD_REQ_SETUTENT,
  46   UTMPD_REQ_GETUTENT,
  47   UTMPD_REQ_ENDUTENT,
  48   UTMPD_REQ_GETUTLINE,
  49   UTMPD_REQ_GETUTID,
  50   UTMPD_REQ_PUTUTLINE,
  51   UTMPD_REQ_UPDWTMP
  52 } request_type;
  53
  54
  55 /* Header common to all requests.  */
  56 typedef struct
  57 {
  58   /* Version number of the daemon interface.  */
  59   int version;
  60   /* Number of bytes in this request.  */
  61   size_t size;
  62   /* Service requested.  */
  63   request_type type;
  64 } request_header;
  65
  66 typedef struct
  67 {
  68   request_header header;
  69   /* File to use.  */
  70   char file[0];
  71 } setutent_request;
  72
  73 typedef struct
  74 {
  75   request_header header;
  76 } getutent_request, endutent_request;
  77
  78 typedef struct
  79 {
  80   request_header header;
  81   /* Entry to match.  */
  82   struct utmp line;
  83 } getutline_request;
  84
  85 typedef struct
  86 {
  87   request_header header;
  88   /* Entry to match.  */
  89   struct utmp id;
  90 } getutid_request;
  91
  92 typedef struct
  93 {
  94   request_header header;
  95   /* Entry to write.  */
  96   struct utmp utmp;
  97 } pututline_request;
  98
  99 typedef struct
 100 {
 101   request_header header;
 102   /* Entry to write.  */
 103   struct utmp utmp;
 104   /* File to use.  */
 105   char file[0];
 106 } updwtmp_request;
 107
 108
 109 /* Header common to all replies.  */
 110 typedef struct
 111 {
 112   /* Version number of the daemon interface.  */
 113   int version;
 114   /* Number of bytes in this reply.  */
 115   size_t size;
 116   /* Answer to the request.  */
 117   request_type type;
 118 } reply_header;
 119
 120 typedef struct
 121 {
 122   reply_header header;
 123   /* Error code.  */
 124   int errnum;
 125   /* Return value.  */
 126   int result;
 127 } setutent_reply, endutent_reply, pututline_reply, updwtmp_reply;
 128
 129 typedef struct
 130 {
 131   reply_header header;
 132   /* Found entry.  */
 133   struct utmp entry;
 134   /* Error code.  */
 135   int errnum;
 136   /* Return value.  */
 137   int result;
 138 } getutent_reply, getutline_reply, getutid_reply;
 139
 140 #endif /* utmpd.h  */