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Re: code/module request: undo setuid
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From: |
Ben Pfaff |
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Subject: |
Re: code/module request: undo setuid |
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Date: |
Wed, 12 Nov 2008 09:52:22 -0800 |
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User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) |
Bruno Haible <address@hidden> writes:
> /* This is for executables that have the setgid bit set. */
> #if HAVE_SETREGID
> setregid (getgid (), getgid ());
> #else
> setegid (getgid ());
> #endif
> /* This is for executables that have the setuid bit set. */
> #if HAVE_SETREUID
> setreuid (getuid (), getuid ());
> #else
> seteuid (getuid ());
> #endif
Is it worth checking the return values for errors? It could be
disastrous if an attempt to drop privilege failed.
--
Ben Pfaff
http://benpfaff.org