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* sysdeps/posix/spawni.c (__spawni): Use local_seteuid and

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local_setegid instead of seteuid and setegid.
	* sysdeps/generic/local-setxid.h: New file.
	* sysdeps/unix/sysv/linux/local-setxid.h: New file.
This commit is contained in:
Ulrich Drepper
2006-06-04 22:17:06 +00:00
parent 7231452e5c
commit 1b8373f475
4 changed files with 35 additions and 1 deletions
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23
sysdeps/unix/sysv/linux/local-setxid.h Normal file
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/* SETxID functions which only have to change the local thread and
none of the possible other threads. */
#include <kernel-features.h>
#include <sysdep.h>
/* If we can use the syscall directly, use it. */
#if __ASSUME_32BITUIDS > 0 && defined __NR_setresuid32
# define local_seteuid(id) INLINE_SYSCALL (setresuid32, 3, -1, id, -1)
#elif __ASSUME_SETRESUID_SYSCALL > 0
# define local_seteuid(id) INLINE_SYSCALL (setresuid, 3, -1, id, -1)
#else
# define local_seteuid(id) seteuid (id)
#endif
/* If we can use the syscall directly, use it. */
#if __ASSUME_32BITUIDS > 0 && defined __NR_setresgid32
# define local_setegid(id) INLINE_SYSCALL (setresgid32, 3, -1, id, -1)
#elif __ASSUME_SETRESGID_SYSCALL > 0
# define local_setegid(id) INLINE_SYSCALL (setresgid, 3, -1, id, -1)
#else
# define local_setegid(id) setegid (id)
#endif