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4ad1896954
matchpathcon cannot handle ./ or ../ in pathnames and doesn't do well with symlinks. This patch uses the glibc function realpath() to try to determine a real path with resolved symlinks and dot directories. For example before this pach we would see: $ matchpathcon /tmp/../eric /tmp/../eric <<none>> $ matchpathcon /eric /eric system_u:object_r:default_t:s0 Whereas after the path we get the same results. The one quirk with the patch is that we need special code to make sure that realpath() does not follow a symlink if it is the final component. aka if we have a symlink from /eric to /tmp/eric we do not want to resolv to /tmp/eric. We want to just resolv to the actual symlink /eric. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Dan Walsh <dwalsh@redhat.com> |
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