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fix: uid/gid for volume mounted to existing dir

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If mounting to existing directory the uid/gid should be preserved.
Primary uid/gid of container shouldn't be used.

Signed-off-by: Matej Vasek <mvasek@redhat.com>
This commit is contained in:
Matej Vasek
2021-07-12 14:56:55 +02:00
parent bef1f03d3c
commit 6cac65c841
2 changed files with 19 additions and 0 deletions
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5
libpod/container_internal_linux.go
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@ -2490,6 +2490,11 @@ func (c *Container) fixVolumePermissions(v *ContainerNamedVolume) error {
// https://github.com/containers/podman/issues/10188
st, err := os.Lstat(filepath.Join(c.state.Mountpoint, v.Dest))
if err == nil {
if stat, ok := st.Sys().(*syscall.Stat_t); ok {
if err := os.Lchown(mountPoint, int(stat.Uid), int(stat.Gid)); err != nil {
return err
}
}
if err := os.Chmod(mountPoint, st.Mode()|0111); err != nil {
return err
}