#ifndef DROPBEAR_HAVE_LOGINREC_H_

#define DROPBEAR_HAVE_LOGINREC_H_

/*

 * Copyright (c) 2000 Andre Lucas.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. 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 AUTHOR ``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 AUTHOR 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.

 */

/**

 ** loginrec.h:  platform-independent login recording and lastlog retrieval

 **/

#include "includes.h"

/* RCSID("Id: loginrec.h,v 1.2 2004/05/04 10:17:43 matt Exp "); */

/* The following #defines are from OpenSSH's defines.h, required for loginrec */

/* FIXME: put default paths back in */

#ifndef UTMP_FILE

#  ifdef _PATH_UTMP

#    define UTMP_FILE _PATH_UTMP

#  else

#    ifdef CONF_UTMP_FILE

#      define UTMP_FILE CONF_UTMP_FILE

#    endif

#  endif

#endif

#ifndef WTMP_FILE

#  ifdef _PATH_WTMP

#    define WTMP_FILE _PATH_WTMP

#  else

#    ifdef CONF_WTMP_FILE

#      define WTMP_FILE CONF_WTMP_FILE

#    endif

#  endif

#endif

/* pick up the user's location for lastlog if given */

#ifndef LASTLOG_FILE

#  ifdef _PATH_LASTLOG

#    define LASTLOG_FILE _PATH_LASTLOG

#  else

#    ifdef CONF_LASTLOG_FILE

#      define LASTLOG_FILE CONF_LASTLOG_FILE

#    endif

#  endif

#endif

/* The login() library function in libutil is first choice */

#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)

#  define USE_LOGIN

#else

/* Simply select your favourite login types. */

/* Can't do if-else because some systems use several... <sigh> */

#  if defined(HAVE_UTMPX_H) && defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)

#    define USE_UTMPX

#  endif

#  if defined(HAVE_UTMP_H) && defined(UTMP_FILE) && !defined(DISABLE_UTMP)

#    define USE_UTMP

#  endif

#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)

#    define USE_WTMPX

#  endif

#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)

#    define USE_WTMP

#  endif

#endif

/* I hope that the presence of LASTLOG_FILE is enough to detect this */

#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)

#  define USE_LASTLOG

#endif

/**

 ** you should use the login_* calls to work around platform dependencies

 **/

/*

 * login_netinfo structure

 */

union login_netinfo {

  struct sockaddr sa;

  struct sockaddr_in sa_in;

#ifdef HAVE_STRUCT_SOCKADDR_STORAGE

  struct sockaddr_storage sa_storage;

#endif

};

/*

 *   * logininfo structure  *

 */

/* types - different to utmp.h 'type' macros */

/* (though set to the same value as linux, openbsd and others...) */

#define LTYPE_LOGIN    7

#define LTYPE_LOGOUT   8

/* string lengths - set very long */

#define LINFO_PROGSIZE 64

#define LINFO_LINESIZE 64

#define LINFO_NAMESIZE 64

#define LINFO_HOSTSIZE 256

struct logininfo {

  char       progname[LINFO_PROGSIZE];     /* name of program (for PAM) */

  int        progname_null;

  short int  type;                         /* type of login (LTYPE_*) */

  int        pid;                          /* PID of login process */

  int        uid;                          /* UID of this user */

  char       line[LINFO_LINESIZE];         /* tty/pty name */

  char       username[LINFO_NAMESIZE];     /* login username */

  char       hostname[LINFO_HOSTSIZE];     /* remote hostname */

  /* 'exit_status' structure components */

  int        exit;                        /* process exit status */

  int        termination;                 /* process termination status */

  /* struct timeval (sys/time.h) isn't always available, if it isn't we'll

   * use time_t's value as tv_sec and set tv_usec to 0

   */

  time_t tv_sec;

  suseconds_t tv_usec;

  union login_netinfo hostaddr;       /* caller's host address(es) */

}; /* struct logininfo */

/*

 * login recording functions

 */

/** 'public' functions */

struct logininfo *login_alloc_entry(int pid, const char *username,

            const char *hostname, const char *line);

/* free a structure */

void login_free_entry(struct logininfo *li);

/* fill out a pre-allocated structure with useful information */

int login_init_entry(struct logininfo *li, int pid, const char *username,

         const char *hostname, const char *line);

/* place the current time in a logininfo struct */

void login_set_current_time(struct logininfo *li);

/* record the entry */

int login_login (struct logininfo *li);

int login_logout(struct logininfo *li);

#ifdef LOGIN_NEEDS_UTMPX

int login_utmp_only(struct logininfo *li);

#endif

/** End of public functions */

/* record the entry */

int login_write (struct logininfo *li);

int login_log_entry(struct logininfo *li);

/* produce various forms of the line filename */

char *line_fullname(char *dst, const char *src, size_t dstsize);

char *line_stripname(char *dst, const char *src, size_t dstsize);

char *line_abbrevname(char *dst, const char *src, size_t dstsize);

#endif /* DROPBEAR_HAVE_LOGINREC_H_ */