# Step 1 : parse kernel debug parameter #
# #
####################################################################
-mkdir /proc; mount -t proc proc /proc
+[ -d /proc ] || mkdir /proc; mount -t proc proc /proc
vtcmdline=$(cat /proc/cmdline)
vtkerver=$(cat /proc/version)
umount /proc; rm -rf /proc
# #
####################################################################
cd /
-rm -rf /init /linuxrc /sbin /dev/ /root
+rm -rf /init /linuxrc /dev/ /root
+
+vtSbinFileNum=$(ls -1 /sbin | wc -l)
+if [ $vtSbinFileNum -eq 1 ]; then
+ echo "remove whole sbin directory" >> $VTLOG
+ rm -rf /sbin
+else
+ echo "remove only sbin/init file" >> $VTLOG
+ ls -l /sbin >> $VTLOG
+ rm -f /sbin/init
+fi
ventoy_is_initrd_ramdisk() {
#As I known, PCLinuxOS use ramdisk
fi
}
+ventoy_mount_squashfs() {
+ mkdir /dev
+ mount -t devtmpfs devtmpfs /dev
+ dd if=$1 of=/dev/ram0 status=none
+ umount /dev && rm -rf /dev
+}
+
# param: file skip magic tmp
ventoy_unpack_initramfs() {
vtfile=$1; vtskip=$2; vtmagic=$3; vttmp=$4
echo "=====ventoy_unpack_initramfs: #$*#" >> $VTLOG
+ #special process
+ #if [ "${vtmagic:0:4}" = '5678' ]; then
+ # echo -en '\x1F\x8B' | dd status=none of=$vtfile bs=1 count=2 conv=notrunc
+ # vtmagic='1F8B'
+ #fi
+
+ if [ "${vtmagic:0:4}" = '6873' ]; then
+ ventoy_mount_squashfs $vtfile
+ return
+ fi
+
for vtx in '1F8B zcat' '1F9E zcat' '425A bzcat' '5D00 lzcat' 'FD37 xzcat' '894C lzopcat' '0221 lz4cat' '28B5 zstdcat' '3037 cat'; do
if [ "${vtx:0:4}" = "${vtmagic:0:4}" ]; then
echo "vtx=$vtx" >> $VTLOG
- if [ $vtskip -eq 0 ]; then
- ${vtx:5} $vtfile | (cpio -idm 2>>$VTLOG; cat > $vttmp)
+ if [ $vtskip -eq 0 ]; then
+ if [ "${vtx:5}" = "xzcat" ]; then
+ rm -f $VTOY_PATH/xzlog
+ ${vtx:5} $vtfile 2> $VTOY_PATH/xzlog | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
+
+ if grep -q 'corrupted data' $VTOY_PATH/xzlog; then
+ echo 'xzcat failed, now try xzminidec...' >> $VTLOG
+ cat $vtfile | xzminidec | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
+ fi
+
+ else
+ ${vtx:5} $vtfile | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
+ fi
else
- dd if=$vtfile skip=$vtskip iflag=skip_bytes status=none | ${vtx:5} | (cpio -idm 2>>$VTLOG; cat > $vttmp)
+ dd if=$vtfile skip=$vtskip iflag=skip_bytes status=none | ${vtx:5} | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
fi
break
fi
####################################################################
# #
-# Step 3 : Hand over to ventoy.sh #
+# Step 3 : Extract injection archive #
+# #
+####################################################################
+ventoy_unpack_injection() {
+ vtmagic=$(hexdump -n 2 -e '2/1 "%02X"' $VTOY_PATH/ventoy_injection)
+ echo "ventoy_unpack_injection vtmagic=$vtmagic ..."
+
+ if [ "1F8B" = "$vtmagic" ] || [ "1F9E" = "$vtmagic" ]; then
+ echo "tar.gz tar -xzvf"
+ tar -xzvf $VTOY_PATH/ventoy_injection -C /
+ elif [ "425A" = "$vtmagic" ]; then
+ echo "tar.bz2 tar -xjvf"
+ tar -xjvf $VTOY_PATH/ventoy_injection -C /
+ elif [ "FD37" = "$vtmagic" ]; then
+ echo "tar.xz tar -xJvf"
+ tar -xJvf $VTOY_PATH/ventoy_injection -C /
+ elif [ "5D00" = "$vtmagic" ]; then
+ echo "tar.lzma tar -xavf"
+ tar -xavf $VTOY_PATH/ventoy_injection -C /
+ else
+ echo "unzip -o"
+ unzip -o $VTOY_PATH/ventoy_injection -d /
+ fi
+}
+
+if [ -e $VTOY_PATH/ventoy_injection ]; then
+ echo "### decompress injection ... ###" >>$VTLOG
+ ventoy_unpack_injection > $VTOY_PATH/injection.log 2>&1
+fi
+
+
+####################################################################
+# #
+# Step 4 : Hand over to ventoy.sh #
# #
####################################################################
echo "Now hand over to ventoy.sh" >>$VTLOG