X-Git-Url: https://glassweightruler.freedombox.rocks/gitweb/Ventoy.git/blobdiff_plain/cd4a5fcb0685b8a12915d22efc5c1e0cc8b40d9b..7d1507906d5178c853aefb652260d6745db1eaef:/IMG/cpio/ventoy/init diff --git a/IMG/cpio/ventoy/init b/IMG/cpio/ventoy/init index fa3f684..ad5ac3a 100644 --- a/IMG/cpio/ventoy/init +++ b/IMG/cpio/ventoy/init @@ -51,7 +51,17 @@ fi # # #################################################################### 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 @@ -62,16 +72,45 @@ ventoy_is_initrd_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 > $vttmp) fi @@ -98,57 +137,36 @@ ventoy_unpack_initrd() { # This export is for busybox cpio command export EXTRACT_UNSAFE_SYMLINKS=1 -# special process -need_xzminidec() { - testmagic=$(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" ] || [ "$VTOY_BREAK_LEVEL" = "12" ]; then @@ -165,7 +183,40 @@ fi #################################################################### # # -# Step 3 : Hand over to ventoy.sh # +# Step 3 : Extract injection archive # +# # +#################################################################### +ventoy_unpack_injection() { + vtmagic=$(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