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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
/**
* @file utmp.h
* @brief POSIX login records.
*/
#include <sys/cdefs.h>
#include <sys/types.h>
#include <time.h>
#define _PATH_UTMP "/var/run/utmp"
#define _PATH_WTMP "/var/log/wtmp"
#define _PATH_LASTLOG "/var/log/lastlog"
#ifdef __LP64__
#define UT_NAMESIZE 32
#define UT_LINESIZE 32
#define UT_HOSTSIZE 256
#else
#define UT_NAMESIZE 8
#define UT_LINESIZE 8
#define UT_HOSTSIZE 16
#endif
#define EMPTY 0
#define RUN_LVL 1
#define BOOT_TIME 2
#define NEW_TIME 3
#define OLD_TIME 4
#define INIT_PROCESS 5
#define LOGIN_PROCESS 6
#define USER_PROCESS 7
#define DEAD_PROCESS 8
#define ACCOUNTING 9
struct lastlog {
time_t ll_time;
char ll_line[UT_LINESIZE];
char ll_host[UT_HOSTSIZE];
};
struct exit_status {
short int e_termination;
short int e_exit;
};
struct utmp {
short int ut_type;
pid_t ut_pid;
char ut_line[UT_LINESIZE];
char ut_id[4];
char ut_user[UT_NAMESIZE];
char ut_host[UT_HOSTSIZE];
struct exit_status ut_exit;
long int ut_session;
struct timeval ut_tv;
int32_t ut_addr_v6[4];
char unused[20];
};
#define ut_name ut_user
#define ut_time ut_tv.tv_sec
#define ut_addr ut_addr_v6[0]
__BEGIN_DECLS
/**
* Does nothing.
*/
int utmpname(const char* __path);
/**
* Does nothing.
*/
void setutent(void);
/**
* Does nothing.
*/
struct utmp* getutent(void);
/**
* Does nothing.
*/
struct utmp* pututline(const struct utmp* __entry);
/**
* Does nothing.
*/
void endutent(void);
/**
* [login_tty(3)](https://www.man7.org/linux/man-pages/man3/login_tty.3.html)
* prepares for login on the given file descriptor.
*
* See also forkpty() which combines openpty(), fork(), and login_tty().
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*
* Available since API level 23.
*/
int login_tty(int __fd) __INTRODUCED_IN(23);
__END_DECLS