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David Zeuthen authored
The way it works is that if XAUTHORITY is unset, then its default value is $HOME/.Xauthority. But since we're changing user identity this will not work since $HOME will now change. Therefore, if XAUTHORITY is unset, just set its default value before changing identity. This bug only affected login managers using X Window Authorization but not explicitly setting the XAUTHORITY variable. You can argue that XAUTHORITY is broken since it forces uid-changing apps like pkexec(1) to do more work - and get involved in intimate details of how X works and so on - but that doesn't change how things work. Based on a patch from Peter Wu <lekensteyn@gmail.com>. https://bugs.freedesktop.org/show_bug.cgi?id=51623 Signed-off-by: David Zeuthen <zeuthen@gmail.com>
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