154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
/*
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* CU sudo version 1.5.8
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* Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Please send bugs, changes, problems to sudo-bugs@courtesan.com
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*
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* $Sudo$
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*/
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#ifndef _SUDO_COMPAT_H
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#define _SUDO_COMPAT_H
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/*
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* Macros that may be missing on some Operating Systems
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*/
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/* Deal with ansi stuff reasonably. */
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#ifndef __P
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# if defined (__cplusplus) || defined (__STDC__)
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# define __P(args) args
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# else
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# define __P(args) ()
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# endif
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#endif /* __P */
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/*
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* Some systems (ie ISC V/386) do not define MAXPATHLEN even in param.h
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*/
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#ifndef MAXPATHLEN
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# define MAXPATHLEN 1024
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#endif
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/*
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* Some systems do not define MAXHOSTNAMELEN.
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*/
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#ifndef MAXHOSTNAMELEN
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# define MAXHOSTNAMELEN 64
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#endif
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/*
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* 4.2BSD lacks FD_* macros (we only use FD_SET and FD_ZERO)
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*/
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#ifndef FD_SETSIZE
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#define FD_SET(fd, fds) ((fds) -> fds_bits[0] |= (1 << (fd)))
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#define FD_ZERO(fds) ((fds) -> fds_bits[0] = 0)
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#endif /* !FD_SETSIZE */
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/*
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* Posix versions for those without...
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*/
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#ifndef _S_IFMT
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# define _S_IFMT S_IFMT
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#endif /* _S_IFMT */
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#ifndef _S_IFREG
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# define _S_IFREG S_IFREG
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#endif /* _S_IFREG */
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#ifndef _S_IFDIR
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# define _S_IFDIR S_IFDIR
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#endif /* _S_IFDIR */
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#ifndef S_ISREG
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# define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
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#endif /* S_ISREG */
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#ifndef S_ISDIR
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# define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
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#endif /* S_ISDIR */
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/*
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* Some OS's may not have this.
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*/
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#ifndef S_IRWXU
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# define S_IRWXU 0000700 /* rwx for owner */
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#endif /* S_IRWXU */
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/*
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* Some OS's may not have this.
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*/
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#ifndef howmany
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#define howmany(x, y) (((x) + ((y) - 1)) / (y))
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#endif
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/*
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* We need to know how long the longest password may be.
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* For alternate password schemes we need longer passwords.
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* This is a bit, ummm, gross but necesary.
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*/
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#if defined(HAVE_KERB4) || defined(HAVE_AFS) || defined(HAVE_DCE) || defined(HAVE_SKEY) || defined(HAVE_OPIE)
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# undef _PASSWD_LEN
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# define _PASSWD_LEN 256
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#else
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# ifdef HAVE_GETPRPWNAM
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# undef _PASSWD_LEN
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# define _PASSWD_LEN AUTH_MAX_PASSWD_LENGTH
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# else
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# ifndef _PASSWD_LEN
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# ifdef PASS_MAX
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# define _PASSWD_LEN PASS_MAX
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# else
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# if (SHADOW_TYPE != SPW_NONE)
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# define _PASSWD_LEN 24
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# else
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# define _PASSWD_LEN 8
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# endif /* SHADOW_TYPE != SPW_NONE */
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# endif /* PASS_MAX */
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# endif /* !_PASSWD_LEN */
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# endif /* HAVE_GETPRPWNAM */
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#endif /* HAVE_KERB4 || HAVE_AFS || HAVE_DCE || HAVE_SKEY || HAVE_OPIE */
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/*
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* Some OS's lack these
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*/
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#ifndef UID_NO_CHANGE
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# define UID_NO_CHANGE ((uid_t) -1)
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#endif /* UID_NO_CHANGE */
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#ifndef GID_NO_CHANGE
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# define GID_NO_CHANGE ((gid_t) -1)
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#endif /* GID_NO_CHANGE */
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/*
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* Emulate seteuid() for AIX via setuidx() -- needed for some versions of AIX
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*/
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#ifdef _AIX
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# include <sys/id.h>
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# define seteuid(_EUID) (setuidx(ID_EFFECTIVE|ID_REAL, _EUID))
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# undef HAVE_SETEUID
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# define HAVE_SETEUID 1
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#endif /* _AIX */
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/*
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* Emulate seteuid() for HP-UX via setresuid(2) and seteuid(2) for others.
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*/
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#ifndef HAVE_SETEUID
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# ifdef __hpux
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# define seteuid(_EUID) (setresuid(UID_NO_CHANGE, _EUID, UID_NO_CHANGE))
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# else
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# define seteuid(_EUID) (setreuid(UID_NO_CHANGE, _EUID))
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# endif /* __hpux */
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#endif /* HAVE_SETEUID */
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#endif /* _SUDO_COMPAT_H */
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