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port issetugid() syscall to linux

Feature state

openSUSE Distribution
Unconfirmed

Description

BSD has a issetugid() syscall that allows programs and libraries to reliably determine whether they were started in a setuid context:
http://www.manpagez.com/man/2/issetugid/

This or a similar syscall would be valuable on Linux too, especially in the advent of fscaps where the traditional uid != euid check doesn't work anymore.

Discussion


icons/user_comment.png J. E. wrote: (3 years ago)

This should be brought to the linux-security@vger mailing list.

Last change: 3 years ago
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