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/*
* CU sudo version 1.5.4
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Please send bugs, changes, problems to sudo-bugs@courtesan.com
*
* $Id: compat.h,v 1.30 1998/01/13 04:48:01 millert Exp $
*/
#ifndef _SUDO_COMPAT_H
#define _SUDO_COMPAT_H
/*
* Macros that may be missing on some Operating Systems
*/
/* Deal with ansi stuff reasonably. */
#ifndef __P
# if defined (__cplusplus) || defined (__STDC__)
# define __P(args) args
# else
# define __P(args) ()
# endif
#endif /* __P */
/*
* Some systems (ie ISC V/386) do not define MAXPATHLEN even in param.h
*/
#ifndef MAXPATHLEN
# define MAXPATHLEN 1024
#endif
/*
* Some systems do not define MAXHOSTNAMELEN.
*/
#ifndef MAXHOSTNAMELEN
# define MAXHOSTNAMELEN 64
#endif
/*
* 4.2BSD lacks FD_* macros (we only use FD_SET and FD_ZERO)
*/
#ifndef FD_SETSIZE
#define FD_SET(fd, fds) ((fds) -> fds_bits[0] |= (1 << (fd)))
#define FD_ZERO(fds) ((fds) -> fds_bits[0] = 0)
#endif /* !FD_SETSIZE */
/*
* Posix versions for those without...
*/
#ifndef _S_IFMT
# define _S_IFMT S_IFMT
#endif /* _S_IFMT */
#ifndef _S_IFREG
# define _S_IFREG S_IFREG
#endif /* _S_IFREG */
#ifndef _S_IFDIR
# define _S_IFDIR S_IFDIR
#endif /* _S_IFDIR */
#ifndef S_ISREG
# define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
#endif /* S_ISREG */
#ifndef S_ISDIR
# define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
#endif /* S_ISDIR */
/*
* Some OS's may not have this.
*/
#ifndef S_IRWXU
# define S_IRWXU 0000700 /* rwx for owner */
#endif /* S_IRWXU */
/*
* We need to know how long the longest password may be.
* For alternate password schemes we need longer passwords.
* This is a bit, ummm, gross but necesary.
*/
#if defined(HAVE_KERB4) || defined(HAVE_AFS) || defined(HAVE_DCE) || defined(HAVE_SKEY) || defined(HAVE_OPIE)
# undef _PASSWD_LEN
# define _PASSWD_LEN 256
#else
# if (SHADOW_TYPE == SPW_SECUREWARE)
# undef _PASSWD_LEN
# define _PASSWD_LEN AUTH_MAX_PASSWD_LENGTH
# else
# ifndef _PASSWD_LEN
# ifdef PASS_MAX
# define _PASSWD_LEN PASS_MAX
# else
# if (SHADOW_TYPE != SPW_NONE)
# define _PASSWD_LEN 24
# else
# define _PASSWD_LEN 8
# endif /* SHADOW_TYPE != SPW_NONE */
# endif /* PASS_MAX */
# endif /* !_PASSWD_LEN */
# endif /* HAVE_KERB4 || HAVE_AFS || HAVE_DCE || HAVE_SKEY || HAVE_OPIE */
#endif /* SPW_SECUREWARE */
/*
* Some OS's lack these
*/
#ifndef UID_NO_CHANGE
# define UID_NO_CHANGE ((uid_t) -1)
#endif /* UID_NO_CHANGE */
#ifndef GID_NO_CHANGE
# define GID_NO_CHANGE ((gid_t) -1)
#endif /* GID_NO_CHANGE */
/*
* Emulate seteuid() for AIX via setuidx() -- needed for some versions of AIX
*/
#ifdef _AIX
# include <sys/id.h>
# define seteuid(_EUID) (setuidx(ID_EFFECTIVE|ID_REAL, _EUID))
# undef HAVE_SETEUID
# define HAVE_SETEUID 1
#endif /* _AIX */
/*
* Emulate seteuid() for HP-UX via setresuid(2) and seteuid(2) for others.
*/
#ifndef HAVE_SETEUID
# ifdef __hpux
# define seteuid(_EUID) (setresuid(UID_NO_CHANGE, _EUID, UID_NO_CHANGE))
# else
# define seteuid(_EUID) (setreuid(UID_NO_CHANGE, _EUID))
# endif /* __hpux */
#endif /* HAVE_SETEUID */
#endif /* _SUDO_COMPAT_H */
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