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image-boot: Don't make dual boot loop device world-readable #412

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image-boot: Don't make dual boot loop device world-readable #412

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14 changes: 8 additions & 6 deletions dracut/image-boot/eos-image-boot-setup
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Original file line number Diff line number Diff line change
Expand Up @@ -105,16 +105,18 @@ fi
# Setup a stable /dev/disk/endless-image symlink for our image device and
# partitions.
#
# This is used by eos-installer, which doesn't have the knowledge how
# to find the image inside a squashfs, so it uses this path. This also
# requires the device node to have appropriate permissions.
# This path is also used by the rest of the initramfs which is hardcoded
# This path is used by the rest of the initramfs which is hardcoded
# to find the rootfs at /dev/disk/endless-image3.
#
# On live systems, this is also used by eos-installer, which doesn't know how
# to find the image inside a squashfs, so it uses this path. In this case the
# device node must be world-readable, since eos-installer runs as an
# unprivileged user.
image_device_name="${image_device##*/}"
mkdir -p /run/udev/rules.d
cat <<EOF > /run/udev/rules.d/70-endless-image.rules
SUBSYSTEM=="block", KERNEL=="${image_device_name}", MODE="0664", SYMLINK+="disk/endless-image"
SUBSYSTEM=="block", KERNEL=="${image_device_name}p?", MODE="0664", SYMLINK+="disk/endless-image%n"
SUBSYSTEM=="block", KERNEL=="${image_device_name}", ${roflag:+MODE="0664",} SYMLINK+="disk/endless-image"
SUBSYSTEM=="block", KERNEL=="${image_device_name}p?", ${roflag:+MODE="0664",} SYMLINK+="disk/endless-image%n"
EOF

udevadm control --reload-rules
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