77 lines
1.9 KiB
Bash
77 lines
1.9 KiB
Bash
# SPDX-License-Identifier: GPL-2.0-only
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. /lib/functions.sh
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platform_do_upgrade_netgear_orbi_upgrade() {
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command -v losetup >/dev/null || {
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logger -s "Upgrade failed: 'losetup' not installed."
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return 1
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}
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local tar_file=$1
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local kernel=$2
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local rootfs=$3
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[ -z "$kernel" ] && kernel=$(find_mmc_part "kernel")
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[ -z "$rootfs" ] && rootfs=$(find_mmc_part "rootfs")
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[ -z "$kernel" ] && echo "Upgrade failed: kernel partition not found! Rebooting..." && reboot -f
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[ -z "$rootfs" ] && echo "Upgrade failed: rootfs partition not found! Rebooting..." && reboot -f
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netgear_orbi_do_flash $tar_file $kernel $rootfs
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echo "sysupgrade successful"
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umount -a
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reboot -f
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}
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netgear_orbi_do_flash() {
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local tar_file=$1
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local kernel=$2
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local rootfs=$3
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# keep sure its unbound
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losetup --detach-all || {
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echo "Failed to detach all loop devices. Skip this try."
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reboot -f
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}
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# use the first found directory in the tar archive
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local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
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board_dir=${board_dir%/}
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echo "flashing kernel to $kernel"
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tar xf $tar_file ${board_dir}/kernel -O >$kernel
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echo "flashing rootfs to ${rootfs}"
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tar xf $tar_file ${board_dir}/root -O >"${rootfs}"
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# a padded rootfs is needed for overlay fs creation
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local offset=$(tar xf $tar_file ${board_dir}/root -O | wc -c)
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[ $offset -lt 65536 ] && {
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echo "Wrong size for rootfs: $offset"
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sleep 10
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reboot -f
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}
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# Mount loop for rootfs_data
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local loopdev="$(losetup -f)"
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losetup -o $offset $loopdev $rootfs || {
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echo "Failed to mount looped rootfs_data."
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sleep 10
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reboot -f
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}
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echo "Format new rootfs_data at position ${offset}."
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mkfs.ext4 -F -L rootfs_data $loopdev
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mkdir /tmp/new_root
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mount -t ext4 $loopdev /tmp/new_root && {
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echo "Saving config to rootfs_data at position ${offset}."
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cp -v "$UPGRADE_BACKUP" "/tmp/new_root/$BACKUP_FILE"
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umount /tmp/new_root
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}
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# Cleanup
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losetup -d $loopdev >/dev/null 2>&1
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sync
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}
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