44 lines
1.8 KiB
Diff
44 lines
1.8 KiB
Diff
From: Sven Eckelmann <sven.eckelmann@open-mesh.com>
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Date: Mon, 14 Sep 2015 20:10:10 +0000
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Subject: scripts/om-fwupgradecfg-gen.sh: Fix u-boot image md5sum check
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The u-boot on Open Mesh devices checks the whole transfered image against a
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md5sum. This is stored inside the option filemd5sum inside the
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fwupgrade.cfg. The bootloader will not check it when this setting is
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missing and could therefore write invalid images to the flash.
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Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
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Backport of r46925
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Forwarded: https://patchwork.ozlabs.org/patch/624189/
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diff --git a/scripts/om-fwupgradecfg-gen.sh b/scripts/om-fwupgradecfg-gen.sh
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index c790214..fab1582 100644
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--- a/scripts/om-fwupgradecfg-gen.sh
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+++ b/scripts/om-fwupgradecfg-gen.sh
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@@ -48,6 +48,7 @@ ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); p
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ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH")
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ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - $MD5_SKIP_BLOCKS))
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ROOTFS_MD5=$(md5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | md5sum); echo ${md5%% *})
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+ROOTFS_MD5_FULL=$(md5=$(md5sum $ROOTFS_PATH); echo ${md5%% *})
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ROOTFS_CHECK_SIZE=$(printf '0x%x' $(($ROOTFS_CHECK_BLOCKS * $CHECK_BS)))
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ROOTFS_PART_SIZE=$(($MAX_PART_SIZE - $KERNEL_PART_SIZE))
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@@ -55,6 +56,7 @@ cat << EOF > $CFG_OUT
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[vmlinux]
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filename=kernel
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md5sum=$KERNEL_MD5
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+filemd5sum=$KERNEL_MD5
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flashaddr=$KERNEL_FLASH_ADDR
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checksize=0x0
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cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; saveenv
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@@ -63,6 +65,7 @@ cmd_fail=reset
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[rootfs]
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filename=rootfs
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md5sum=$ROOTFS_MD5
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+filemd5sum=$ROOTFS_MD5_FULL
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flashaddr=$ROOTFS_FLASH_ADDR
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checksize=$ROOTFS_CHECK_SIZE
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cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; setenv rootfs_size_1 $ROOTFS_PART_SIZE; saveenv
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