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/* Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _UTMPD_PRIVATE_H
#define _UTMPD_PRIVATE_H 1
#include <time.h>
#include <utmp.h>
/* The number of connections we allow. */
#ifndef MAX_CONNECTIONS
#define MAX_CONNECTIONS 16
#endif
typedef struct utmp_database
{
int fd;
int old_fd;
char *file;
char *old_file;
time_t mtime;
} utmp_database;
/* The databases we handle. */
extern utmp_database *utmp_db;
extern utmp_database *wtmp_db;
typedef struct client_connection
{
int sock;
/* Access permissions. */
int access;
/* Read pointer. */
void *read_base;
void *read_ptr;
void *read_end;
/* Write buffer. */
void *write_base;
void *write_ptr;
void *write_end;
/* Database to use for this connection. */
utmp_database *database;
/* Position pointer. */
int position;
/* Last read entry. */
struct utmp last_entry;
/* Pointers to the next and previous connections in the list. */
struct client_connection *next;
struct client_connection *prev;
} client_connection;
/* This variable indicates if we have forked. If set, we log messages
via the system logger. Otherwise we simply print the program name
and the message to standard error. */
extern int forked;
/* Database functions. */
utmp_database *open_database (const char *file, const char *old_file);
int synchronize_database (utmp_database *database);
void close_database (utmp_database *database);
int read_entry (utmp_database *database, int position, struct utmp *entry);
int write_entry (utmp_database *database, int position,
const struct utmp *entry);
int append_entry (utmp_database *database, const struct utmp *entry);
int read_old_entry (utmp_database *database, int position, struct utmp *entry);
int write_old_entry (utmp_database *database, int position,
const struct utmp *entry);
/* Connection oriented functions. */
client_connection *accept_connection (int sock, int access);
client_connection *find_connection (int sock);
void close_connection (client_connection *connection);
int read_data (client_connection *connection);
int write_data (client_connection *connection);
int proc_utmp_eq (const struct utmp *entry, const struct utmp *match);
void error (int status, int errnum, const char *message, ...);
void warning (int errnum, const char *message, ...);
#endif /* utmpd-private.h */
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