Security fix! Correct handling of seteuid() return value See Debian bug #638002, reported by John Lightsey. When possible the (already available) set_euidgid() function is used. Additionally, it is unnecessary to change the identity when writing into an already open file descriptor. This should fix the problem.

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−This is from libident 0.22 (though the version string says 0.21?). I
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−have not changed it, except that I replaced the Makefile with a
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−Makefile.am.
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−
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−I also did not include the example programs and the man page in the
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−masqmail source tarball.
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−Oliver Kurth, Fri Oct  6 15:11:07 CEST 2000