# #
####################################################################
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} $vtfile | (cpio -idmu 2>>$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 | ${vtx:5} | (cpio -idmu 2>>$VTLOG; cat > $vttmp)
fi
# This export is for busybox cpio command
export EXTRACT_UNSAFE_SYMLINKS=1
-# special process
-need_xzminidec() {
- testmagic=$(hexdump -n 2 -e '2/1 "%02X"' /initrd001)
- if [ "FD37" = "${testmagic:0:4}" ]; then
- if echo $vtkerver | grep -q 'kaspersky'; then
- true
- elif echo $vtkerver | grep -q 'kiosk.*Gentoo'; then
- true
- else
- false
- fi
+for vtfile in $(ls /initrd*); do
+ #decompress first initrd
+ vtmagic=$(hexdump -n 2 -e '2/1 "%02X"' $vtfile)
+
+ if ventoy_is_initrd_ramdisk; then
+ ventoy_unpack_initrd $vtfile $vtmagic ${vtfile}_tmp
+ mv ${vtfile}_tmp $vtfile
+ break
else
- false
+ ventoy_unpack_initramfs $vtfile 0 $vtmagic ${vtfile}_tmp
fi
-}
-if need_xzminidec; then
- echo "use xzminidec" >> $VTLOG
- cat /initrd001 | xzminidec | cpio -idmu 2>>$VTLOG
- rm -f /initrd001
-else
- for vtfile in $(ls /initrd*); do
- #decompress first initrd
- vtmagic=$(hexdump -n 2 -e '2/1 "%02X"' $vtfile)
-
- if ventoy_is_initrd_ramdisk; then
- ventoy_unpack_initrd $vtfile $vtmagic ${vtfile}_tmp
- mv ${vtfile}_tmp $vtfile
+ #only for cpio,cpio,...,initrd sequence, initrd,cpio or initrd,initrd sequence is not supported
+ while [ -e ${vtfile}_tmp ] && [ $(stat -c '%s' ${vtfile}_tmp) -gt 512 ]; do
+ mv ${vtfile}_tmp $vtfile
+ vtdump=$(hexdump -n 512 -e '512/1 "%02X"' $vtfile)
+ vtmagic=$(echo $vtdump | sed 's/^\(00\)*//')
+ let vtoffset="(${#vtdump}-${#vtmagic})/2"
+
+ if [ -z "$vtmagic" ]; then
+ echo "terminate with all zero data file" >> $VTLOG
break
- else
- ventoy_unpack_initramfs $vtfile 0 $vtmagic ${vtfile}_tmp
fi
-
- #only for cpio,cpio,...,initrd sequence, initrd,cpio or initrd,initrd sequence is not supported
- while [ -e ${vtfile}_tmp ] && [ $(stat -c '%s' ${vtfile}_tmp) -gt 512 ]; do
- mv ${vtfile}_tmp $vtfile
- vtdump=$(hexdump -n 512 -e '512/1 "%02X"' $vtfile)
- vtmagic=$(echo $vtdump | sed 's/^\(00\)*//')
- let vtoffset="(${#vtdump}-${#vtmagic})/2"
-
- if [ -z "$vtmagic" ]; then
- echo "terminate with all zero data file" >> $VTLOG
- break
- fi
-
- ventoy_unpack_initramfs $vtfile $vtoffset ${vtmagic:0:4} ${vtfile}_tmp
- done
- rm -f $vtfile ${vtfile}_tmp
+ ventoy_unpack_initramfs $vtfile $vtoffset ${vtmagic:0:4} ${vtfile}_tmp
done
-fi
+
+ rm -f $vtfile ${vtfile}_tmp
+done
+
#break here for debug
if [ "$VTOY_BREAK_LEVEL" = "02" ] || [ "$VTOY_BREAK_LEVEL" = "12" ]; then
####################################################################
# #
-# Step 3 : Hand over to ventoy.sh #
+# Step 3 : Extract injection archive #
+# #
+####################################################################
+ventoy_unpack_injection() {
+ vtmagic=$(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