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busybox-initramfs: check md5 sums before OS upgrade

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This commit is contained in:
Stefan Saraev 2012-05-03 14:50:34 +03:00
parent 40d601aa6b
commit afe0488a84
1 changed files with 36 additions and 2 deletions
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38
packages/initramfs/sysutils/busybox-initramfs/scripts/init
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@ -28,6 +28,8 @@ UPDATE_DIR=/storage/.update
IMAGE_SYSTEM="SYSTEM" IMAGE_SYSTEM="SYSTEM"
IMAGE_KERNEL="KERNEL" IMAGE_KERNEL="KERNEL"
REBOOT="0" REBOOT="0"
MD5_FAILED="0"
MD5_NOCHECK="0"
NBD_DEVS="0" NBD_DEVS="0"
@ -353,8 +355,40 @@ NBD_DEVS="0"
IMAGE_KERNEL="MACH_KERNEL" IMAGE_KERNEL="MACH_KERNEL"
fi fi
update "Kernel" "$IMAGE_KERNEL" "/flash/$IMAGE_KERNEL" if [ -f "$UPDATE_DIR/$IMAGE_KERNEL" -a -f "$UPDATE_DIR/$IMAGE_SYSTEM" ] ; then
update "System" "$IMAGE_SYSTEM" "/flash/$IMAGE_SYSTEM" if [ -f "$UPDATE_DIR/.nocheck" ] ; then
MD5_NOCHECK="1"
fi
# check md5 sums if .nocheck doesn't exist
if [ "$MD5_NOCHECK" -eq "0" -a -f "$UPDATE_DIR/${IMAGE_KERNEL}.md5" -a -f "$UPDATE_DIR/${IMAGE_SYSTEM}.md5" ] ; then
/bin/busybox sed -i 's#target#/storage/.update#g' "$UPDATE_DIR/${IMAGE_KERNEL}.md5"
/bin/busybox sed -i 's#target#/storage/.update#g' "$UPDATE_DIR/${IMAGE_SYSTEM}.md5"
echo "Checking ${IMAGE_KERNEL}.md5..."
/bin/busybox md5sum -c "$UPDATE_DIR/${IMAGE_KERNEL}.md5" || MD5_FAILED="1"
echo "Checking ${IMAGE_SYSTEM}.md5..."
/bin/busybox md5sum -c "$UPDATE_DIR/${IMAGE_SYSTEM}.md5" || MD5_FAILED="1"
else
echo "missing ${IMAGE_KERNEL}.md5 or ${IMAGE_SYSTEM}.md5..."
MD5_FAILED="1"
fi
# update if md5 check is ok or .nocheck exists
if [ "$MD5_FAILED" -eq "0" -o "$MD5_NOCHECK" -eq "1" ] ; then
update "Kernel" "$IMAGE_KERNEL" "/flash/$IMAGE_KERNEL"
update "System" "$IMAGE_SYSTEM" "/flash/$IMAGE_SYSTEM"
else
/bin/busybox rm "$UPDATE_DIR/$IMAGE_KERNEL"
/bin/busybox rm "$UPDATE_DIR/$IMAGE_SYSTEM"
echo "md5 check failed. normal startup in 30s..."
/bin/busybox sync
/bin/busybox usleep 30000000
fi
/bin/busybox rm "$UPDATE_DIR/${IMAGE_KERNEL}.md5" &>/dev/null
/bin/busybox rm "$UPDATE_DIR/${IMAGE_SYSTEM}.md5" &>/dev/null
fi
if test "$REBOOT" -eq "1"; then if test "$REBOOT" -eq "1"; then
echo "System reboots now..." && \ echo "System reboots now..." && \