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1b8373f475
local_setegid instead of seteuid and setegid. * sysdeps/generic/local-setxid.h: New file. * sysdeps/unix/sysv/linux/local-setxid.h: New file.
24 lines
834 B
C
24 lines
834 B
C
/* SETxID functions which only have to change the local thread and
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none of the possible other threads. */
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#include <kernel-features.h>
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#include <sysdep.h>
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/* If we can use the syscall directly, use it. */
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#if __ASSUME_32BITUIDS > 0 && defined __NR_setresuid32
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# define local_seteuid(id) INLINE_SYSCALL (setresuid32, 3, -1, id, -1)
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#elif __ASSUME_SETRESUID_SYSCALL > 0
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# define local_seteuid(id) INLINE_SYSCALL (setresuid, 3, -1, id, -1)
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#else
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# define local_seteuid(id) seteuid (id)
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#endif
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/* If we can use the syscall directly, use it. */
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#if __ASSUME_32BITUIDS > 0 && defined __NR_setresgid32
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# define local_setegid(id) INLINE_SYSCALL (setresgid32, 3, -1, id, -1)
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#elif __ASSUME_SETRESGID_SYSCALL > 0
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# define local_setegid(id) INLINE_SYSCALL (setresgid, 3, -1, id, -1)
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#else
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# define local_setegid(id) setegid (id)
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#endif
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