tree 50a80c8227c7c2493c0d0861e13bac75bcc12da4
parent f1bc736245b146b19d485cdbc534f9a765257080
author Tobias Klauser <tklauser@distanz.ch> 1592555590 +0200
committer Tobias Klauser <tobias.klauser@gmail.com> 1592640766 +0000

unix: check secondary group membership for Faccessat(..., AT_EACCESS) on Linux

Follow glibc's implementation and check secondary group memberships
using Getgroups.

No test since we cannot easily change file permissions when not running
as root and the test is meaningless if running as root.

Fixes golang/go#39660

Change-Id: Idb841242cbd1d8859f4e3c2c26b64a5e9523f9a4
Reviewed-on: https://go-review.googlesource.com/c/sys/+/238722
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>