Commits on Jul 13, 2023

1. mediatek: filogic: wax220: support factory image …

   Enable building a factory image which can be flashed through the OEM
   firmware's web interface. It seems that the web interface requires a
   minimum file size of 10MiB, otherwise it will not accept the image.
   
   The update image is a regular sysupgrade tarball packed in a Netgear
   encrypted image. The Netgear encrypted image is the same as used in
   WAX202 or WAX206, including the encryption keys and IV.
   
   This adds a script which creates the rootfs_data volume on first
   startup. This is required since the OEM firmware's sysupgrade scripts
   do not create such a paritition. Note that any script ordered after
   70_initramfs_test will not get executed on initramfs. Hence this new
   script 75_rootfs_prepare won't create the rootfs_data volume when
   using the recovery initramfs.
   
   Also, this deletes the kernel_backup and rootfs_backup volumes in case
   we have to create the rootfs_data volumes. This makes sure that
   OpenWrt is the actual backup firmware instead of the stock firmware.
   
   References in WAX220 GPL source:
   https://www.downloads.netgear.com/files/GPL/WAX220-V1.0.2.8-gpl-src.tar.gz
   
   * package/base-files/files/lib/upgrade/nand.sh:186
     Creation of rootfs_data is disabled
   
   * Uboot-upstream/board/mediatek/common/ubi_helper.c
     Automatic creation of UBI backup volumes
   
   Signed-off-by: Stefan Agner <stefan@agner.ch>

   

   agners committed Jul 13, 2023
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