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  • Committer: Teddy Hogeborn
  • Date: 2024-09-08 02:14:29 UTC
  • mto: This revision was merged to the branch mainline in revision 410.
  • Revision ID: teddy@recompile.se-20240908021429-z4m1vfuaqbs0q3ry
Fix file permissions when installing a new kernel, with dracut

* debian/mandos-client.postinst (update_initramfs): When using dracut,
  but the initramfs image file does not yet exist (due to the kernel
  package not having been configured), create a new empty file with
  the correct permissions, so that dracut will use the correct
  permissions when creating the initramfs image file.

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Lines of Context:
debian/mandos-client.postinst
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            # Dracut preserves old permissions of initramfs image
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            # files, so we adjust permissions before creating new
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            # initramfs image containing secret keys.
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            chmod go-r /boot/initrd.img-"$kversion"
 
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            if [ -e /boot/initrd.img-"$kversion" ]; then
 
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                chmod go-r /boot/initrd.img-"$kversion"
 
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            else
 
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                # An initrd image has not yet been created for this
 
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                # kernel, possibly because this new kernel is about to
 
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                # be, but has not yet been, installed.  In this case,
 
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                # we create an empty file with the right permissions
 
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                # so that Dracut will preserve those permissions when
 
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                # it creates the real, new initrd image for this
 
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                # kernel.
 
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                install --mode=u=rw /dev/null \
 
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                        /boot/initrd.img-"$kversion"
 
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            fi
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            if [ "$kversion" != "*" ]; then
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                /etc/kernel/postinst.d/dracut "$kversion"
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            fi