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extractor.sh
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extractor.sh
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#!/usr/bin/env bash
shopt -s expand_aliases
# Supported Firmwares:
# Aonly OTA
# Raw image
# tarmd5
# chunk image
# QFIL
# AB OTA
# Image zip
# ozip
# Sony ftf
# ZTE update.zip
# KDDI .bin
# bin images
# pac
# sign images
# sign auth DA images
# nb0
# kdz
# RUU
if [ $(uname) == Darwin ]; then
alias sed=gsed
alias tr=gtr
alias grep=ggrep
alias find=gfind
fi
superimage() {
if [ -f super.img ]; then
echo "Creating super.img.raw ..."
$simg2img super.img super.img.raw 2>/dev/null
fi
if [[ ! -s super.img.raw ]] && [ -f super.img ]; then
mv super.img super.img.raw
fi
for partition in $PARTITIONS; do
($lpunpack --partition="$partition"_a super.img.raw || $lpunpack --partition="$partition" super.img.raw) 2>/dev/null
if [ -f "$partition"_a.img ]; then
mv "$partition"_a.img "$partition".img
else
foundpartitions=$(7z l -ba "$romzip" | rev | gawk '{ print $1 }' | rev | grep $partition.img)
7z e -y "$romzip" $foundpartitions dummypartition 2>/dev/null >> $tmpdir/zip.log
fi
done
rm -rf super.img.raw
}
usage() {
echo "Usage: $0 <Path to firmware> [Output Dir]"
echo -e "\tPath to firmware: the zip!"
echo -e "\tOutput Dir: the output dir!"
}
if [ "$1" == "" ]; then
echo "BRUH: Enter all needed parameters"
usage
exit 1
fi
LOCALDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
HOST="$(uname)"
if [[ "$(uname)" == *CYGWIN* ]]; then
HOST=Windows
fi
toolsdir="$LOCALDIR/tools"
if [[ ! -d "$toolsdir/extract_android_ota_payload" ]]; then
git clone -q https://github.com/cyxx/extract_android_ota_payload.git "$toolsdir/extract_android_ota_payload"
else
git -C "$toolsdir/extract_android_ota_payload" pull
fi
if [[ ! -d "$toolsdir/oppo_ozip_decrypt" ]]; then
git clone -q https://github.com/bkerler/oppo_ozip_decrypt.git "$toolsdir/oppo_ozip_decrypt"
git -C "$toolsdir/oppo_ozip_decrypt" reset -q --hard d02128dade8fffaf16e00f9f7d01f7be39558f69
else
git -C "$toolsdir/oppo_ozip_decrypt" pull
git -C "$toolsdir/oppo_ozip_decrypt" reset -q --hard d02128dade8fffaf16e00f9f7d01f7be39558f69
fi
if [[ ! -d "$toolsdir/update_payload_extractor" ]]; then
git clone -q https://github.com/erfanoabdi/update_payload_extractor.git "$toolsdir/update_payload_extractor"
else
git -C "$toolsdir/update_payload_extractor" pull
fi
simg2img="$toolsdir/$HOST/bin/simg2img"
packsparseimg="$toolsdir/$HOST/bin/packsparseimg"
unsin="$toolsdir/$HOST/bin/unsin"
payload_extractor="$toolsdir/update_payload_extractor/extract.py"
sdat2img="$toolsdir/sdat2img.py"
ozipdecrypt="$toolsdir/oppo_ozip_decrypt/ozipdecrypt.py"
lpunpack="$toolsdir/$HOST/bin/lpunpack"
splituapp="$toolsdir/splituapp"
pacextractor="$toolsdir/$HOST/bin/pacextractor"
nb0_extract="$toolsdir/$HOST/bin/nb0-extract"
kdz_extract="$toolsdir/kdztools/unkdz.py"
dz_extract="$toolsdir/kdztools/undz.py"
ruu="$toolsdir/$HOST/bin/RUU_Decrypt_Tool"
romzip="$(realpath $1)"
romzipext="${romzip##*.}"
PARTITIONS="system vendor cust odm oem factory product xrom modem dtbo boot recovery tz systemex oppo_product preload_common system_ext system_other opproduct reserve india my_preload my_odm my_stock my_operator my_country my_product my_company my_engineering my_heytap"
EXT4PARTITIONS="system vendor cust odm oem factory product xrom systemex oppo_product preload_common"
OTHERPARTITIONS="tz.mbn:tz tz.img:tz modem.img:modem NON-HLOS:modem boot-verified.img:boot dtbo-verified.img:dtbo"
echo "Create Temp and out dir"
outdir="$LOCALDIR/out"
if [ ! "$2" == "" ]; then
outdir="$(realpath $2)"
fi
tmpdir="$outdir/tmp"
mkdir -p "$tmpdir"
mkdir -p "$outdir"
cd $tmpdir
MAGIC=$(head -c12 "$romzip" | tr -d '\0')
if [[ $MAGIC == "OPPOENCRYPT!" ]] || [[ "$romzipext" == "ozip" ]]; then
echo "ozip detected"
cp "$romzip" "$tmpdir/temp.ozip"
python3 $ozipdecrypt "$tmpdir/temp.ozip"
if [[ -d "$tmpdir/out" ]]; then
7z a -r "$tmpdir/temp.zip" "$tmpdir/out/*"
fi
"$LOCALDIR/extractor.sh" "$tmpdir/temp.zip" "$outdir"
exit
fi
if [[ $(echo "$romzip" | grep kdz) ]]; then
echo "KDZ detected"
python3 $kdz_extract -f "$romzip" -x -o "./"
dzfile=`ls *.dz`
python3 $dz_extract -f $dzfile -s -o "./"
# Some known dz-partitions "gpt_main persist misc metadata vendor system system_other product userdata gpt_backup tz boot dtbo vbmeta cust oem odm factory modem NON-HLOS"
find . -maxdepth 4 -type f -name "*.image" | rename 's/.image/.img/g' > /dev/null 2>&1
find . -maxdepth 4 -type f -name "*_a.img" | rename 's/_a.img/.img/g' > /dev/null 2>&1
for partition in $PARTITIONS; do
[[ -e "$tmpdir/$partition.img" ]] && mv "$tmpdir/$partition.img" "$outdir/$partition.img"
done
rm -rf $tmpdir
exit 0
fi
if [[ $(echo "$romzip" | grep -i ruu_ | grep -i exe) ]]; then
echo "RUU detected"
cp "$romzip" $tmpdir
romzip="$tmpdir/$(basename $romzip)"
$ruu -s "$romzip" 2>/dev/null
$ruu -f "$romzip" 2>/dev/null
find "$tmpdir/OUT"* -name *.img -exec mv {} $tmpdir \;
for partition in $PARTITIONS; do
[[ -e "$tmpdir/$partition.img" ]] && mv "$tmpdir/$partition.img" "$outdir/$partition.img"
done
rm -rf $tmpdir
exit 0
fi
if [[ ! $(7z l -ba "$romzip" | grep ".*system.ext4.tar.*\|.*.tar\|.*chunk\|system\/build.prop\|system.new.dat\|system_new.img\|system.img\|system-sign.img\|system.bin\|payload.bin\|.*.zip\|.*.rar\|.*rawprogram*\|system.sin\|.*system_.*\.sin\|system-p\|super\|UPDATE.APP\|.*.pac\|.*.nb0" | grep -v ".*chunk.*\.so$") ]]; then
echo "BRUH: This type of firmwares not supported"
cd "$LOCALDIR"
rm -rf "$tmpdir" "$outdir"
exit 1
fi
echo "Extracting firmware on: $outdir"
for otherpartition in $OTHERPARTITIONS; do
filename=$(echo $otherpartition | cut -f 1 -d ":")
outname=$(echo $otherpartition | cut -f 2 -d ":")
if [[ $(7z l -ba "$romzip" | grep $filename) ]]; then
echo "$filename detected for $outname"
foundfiles=$(7z l -ba "$romzip" | gawk '{ print $NF }' | grep $filename)
7z e -y "$romzip" $foundfiles 2>/dev/null >> $tmpdir/zip.log
outputs=$(ls *"$filename"*)
for output in $outputs; do
[[ ! -e "$outname".img ]] && mv $output "$outname".img
$simg2img "$outname".img "$outdir/$outname".img 2>/dev/null
if [[ ! -s "$outdir/$outname".img ]] && [ -f "$outname".img ]; then
mv "$outname".img "$outdir/$outname".img
fi
done
fi
done
if [[ $(7z l -ba "$romzip" | grep firmware-update/dtbo.img) ]]; then
7z e -y "$romzip" firmware-update/dtbo.img 2>/dev/null >> $tmpdir/zip.log
fi
if [[ $(7z l -ba "$romzip" | grep system.new.dat) ]]; then
echo "Aonly OTA detected"
for partition in $PARTITIONS; do
7z e -y "$romzip" $partition.new.dat* $partition.transfer.list $partition.img 2>/dev/null >> $tmpdir/zip.log
if [[ -f $partition.new.dat.1 ]]; then
cat $partition.new.dat.{0..999} 2>/dev/null >> $partition.new.dat
rm -rf $partition.new.dat.{0..999}
fi
ls | grep "\.new\.dat" | while read i; do
line=$(echo "$i" | cut -d"." -f1)
if [[ $(echo "$i" | grep "\.dat\.xz") ]]; then
7z e -y "$i" 2>/dev/null >> $tmpdir/zip.log
rm -rf "$i"
fi
if [[ $(echo "$i" | grep "\.dat\.br") ]]; then
echo "Converting brotli $partition dat to normal"
brotli -d "$i"
rm -f "$i"
fi
echo "Extracting $partition"
python3 $sdat2img $line.transfer.list $line.new.dat "$outdir"/$line.img > $tmpdir/extract.log
rm -rf $line.transfer.list $line.new.dat
done
done
elif [[ $(7z l -ba "$romzip" | grep rawprogram) ]]; then
echo "QFIL detected"
rawprograms=$(7z l -ba "$romzip" | gawk '{ print $NF }' | grep rawprogram)
7z e -y "$romzip" $rawprograms 2>/dev/null >> $tmpdir/zip.log
for partition in $PARTITIONS; do
partitionsonzip=$(7z l -ba "$romzip" | gawk '{ print $NF }' | grep $partition)
if [[ ! $partitionsonzip == "" ]]; then
7z e -y "$romzip" $partitionsonzip 2>/dev/null >> $tmpdir/zip.log
if [[ ! -f "$partition.img" ]]; then
if [[ -f "$partition.raw.img" ]]; then
mv "$partition.raw.img" "$partition.img"
else
rawprogramsfile=$(grep -rlw $partition rawprogram*.xml)
$packsparseimg -t $partition -x $rawprogramsfile > $tmpdir/extract.log
mv "$partition.raw" "$partition.img"
fi
fi
fi
done
elif [[ $(7z l -ba "$romzip" | grep nb0) ]]; then
echo "nb0 detected"
to_extract=`7z l "$romzip" | grep ".*.nb0" | gawk '{ print $6 }'`
echo $to_extract
7z e -y "$romzip" $to_extract 2>/dev/null >> $tmpdir/zip.log
$nb0_extract $to_extract $tmpdir
for partition in $PARTITIONS; do
part=`ls -l | grep ".*$partition.img" | gawk '{ print $9 }'`
mv $part $partition.img
done
romzip=""
elif [[ $(7z l -ba "$romzip" | grep system | grep chunk | grep -v ".*\.so$") ]]; then
echo "chunk detected"
for partition in $PARTITIONS; do
foundpartitions=$(7z l -ba "$romzip" | gawk '{ print $NF }' | grep $partition.img)
7z e -y "$romzip" *$partition*chunk* */*$partition*chunk* $foundpartitions dummypartition 2>/dev/null >> $tmpdir/zip.log
rm -f *"$partition"_b*
rm -f *"$partition"_other*
romchunk=$(ls | grep chunk | grep $partition | sort)
if [[ $(echo "$romchunk" | grep "sparsechunk") ]]; then
$simg2img $(echo "$romchunk" | tr '\n' ' ') $partition.img.raw 2>/dev/null
rm -rf *$partition*chunk*
if [[ -f $partition.img ]]; then
rm -rf $partition.img.raw
else
mv $partition.img.raw $partition.img
fi
fi
done
elif [[ $(7z l -ba "$romzip" | gawk '{print $NF}' | grep "system_new.img\|^system.img\|\/system.img\|\/system_image.emmc.img\|^system_image.emmc.img") ]]; then
echo "Image detected"
7z x -y "$romzip" 2>/dev/null >> $tmpdir/zip.log
find $tmpdir/ -name "* *" -type d,f | rename 's/ /_/g' > /dev/null 2>&1 # removes space from file name
find $tmpdir/ -mindepth 2 -type f -name "*_image.emmc.img" -exec mv {} . \; # move .img in sub-dir to $tmpdir
find $tmpdir/ -mindepth 2 -type f -name "*_new.img" -exec mv {} . \; # move .img in sub-dir to $tmpdir
find $tmpdir/ -mindepth 2 -type f -name "*.img.ext4" -exec mv {} . \; # move .img in sub-dir to $tmpdir
find $tmpdir/ -mindepth 2 -type f -name "*.img" -exec mv {} . \; # move .img in sub-dir to $tmpdir
find $tmpdir/ -type f ! -name "*img*" -exec rm -rf {} \; # delete other files
find "$tmpdir" -maxdepth 1 -type f -name "*_image.emmc.img" | rename 's/_image.emmc.img/.img/g' > /dev/null 2>&1 # proper .img names
find "$tmpdir" -maxdepth 1 -type f -name "*_new.img" | rename 's/_new.img/.img/g' > /dev/null 2>&1 # proper .img names
find "$tmpdir" -maxdepth 1 -type f -name "*.img.ext4" | rename 's/.img.ext4/.img/g' > /dev/null 2>&1 # proper .img names
romzip=""
elif [[ $(7z l -ba "$romzip" | grep "system.sin\|.*system_.*\.sin") ]]; then
echo "sin detected"
to_remove=`7z l "$romzip" | grep ".*boot_.*\.sin" | gawk '{ print $6 }' | sed -e 's/boot_\(.*\).sin/\1/'`
if [ -z "$to_remove" ]
then
to_remove=`7z l "$romzip" | grep ".*cache_.*\.sin" | gawk '{ print $6 }' | sed -e 's/cache_\(.*\).sin/\1/'`
fi
if [ -z "$to_remove" ]
then
to_remove=`7z l "$romzip" | grep ".*vendor_.*\.sin" | gawk '{ print $6 }' | sed -e 's/vendor_\(.*\).sin/\1/'`
fi
7z x -y "$romzip" 2>/dev/null >> $tmpdir/zip.log
find $tmpdir/ -mindepth 2 -type f -name "*.sin" -exec mv {} . \; # move .img in sub-dir to $tmpdir
find "$tmpdir" -maxdepth 1 -type f -name "*_$to_remove.sin" | rename 's/_'$to_remove'.sin/.sin/g' > /dev/null 2>&1 # proper names
$unsin -d $tmpdir
find "$tmpdir" -maxdepth 1 -type f -name "*.ext4" | rename 's/.ext4/.img/g' > /dev/null 2>&1 # proper names
romzip=""
elif [[ $(7z l -ba "$romzip" | grep ".pac$") ]]; then
echo "pac detected"
7z x -y "$romzip" 2>/dev/null >> $tmpdir/zip.log
find $tmpdir/ -name "* *" -type d,f | rename 's/ /_/g' > /dev/null 2>&1
pac_list=`find $tmpdir/ -type f -name "*.pac" -printf '%P\n' | sort`
for file in $pac_list; do
$pacextractor $file
done
elif [[ $(7z l -ba "$romzip" | grep "system.bin") ]]; then
echo "bin images detected"
7z x -y "$romzip" 2>/dev/null >> $tmpdir/zip.log
find $tmpdir/ -mindepth 2 -type f -name "*.bin" -exec mv {} . \; # move .img in sub-dir to $tmpdir
find "$tmpdir" -maxdepth 1 -type f -name "*.bin" | rename 's/.bin/.img/g' > /dev/null 2>&1 # proper names
romzip=""
elif [[ $(7z l -ba "$romzip" | grep "system-p") ]]; then
echo "P suffix images detected"
for partition in $PARTITIONS; do
foundpartitions=$(7z l -ba "$romzip" | gawk '{ print $NF }' | grep $partition-p)
7z e -y "$romzip" $foundpartitions dummypartition 2>/dev/null >> $tmpdir/zip.log
if [ ! -z "$foundpartitions" ]; then
mv $(ls $partition-p*) "$partition.img"
fi
done
elif [[ $(7z l -ba "$romzip" | grep "system-sign.img") ]]; then
echo "sign images detected"
7z x -y "$romzip" 2>/dev/null >> $tmpdir/zip.log
for partition in $PARTITIONS; do
[[ -e "$tmpdir/$partition.img" ]] && mv "$tmpdir/$partition.img" "$outdir/$partition.img"
done
find $tmpdir/ -name "* *" -type d,f | rename 's/ /_/g' > /dev/null 2>&1 # removes space from file name
find $tmpdir/ -mindepth 2 -type f -name "*-sign.img" -exec mv {} . \; # move .img in sub-dir to $tmpdir
find $tmpdir/ -type f ! -name "*-sign.img" -exec rm -rf {} \; # delete other files
find "$tmpdir" -maxdepth 1 -type f -name "*-sign.img" | rename 's/-sign.img/.img/g' > /dev/null 2>&1 # proper .img names
sign_list=`find "$tmpdir" -maxdepth 1 -type f -name "*.img" -printf '%P\n' | sort`
for file in $sign_list; do
rm -rf "$tmpdir/x.img"
MAGIC=$(head -c4 "$tmpdir/$file" | tr -d '\0')
if [[ $MAGIC == "SSSS" ]]
then
echo Cleaning $file with SSSS header
# This is for little_endian arch
offset_low=$(od -A n -x -j 60 -N 2 "$tmpdir/$file" | sed 's/ //g')
offset_high=$(od -A n -x -j 62 -N 2 "$tmpdir/$file" | sed 's/ //g')
offset_low=0x${offset_low:0-4}
offset_high=0x${offset_high:0-4}
offset_low=$(printf "%d" $offset_low)
offset_high=$(printf "%d" $offset_high)
offset=$((65536*${offset_high}+${offset_low}))
dd if="$tmpdir/$file" of="$tmpdir/x.img" iflag=count_bytes,skip_bytes bs=8192 skip=64 count=$offset > /dev/null 2>&1
else # header with BFBF magic or another unknowed header
dd if="$tmpdir/$file" of="$tmpdir/x.img" bs=$((0x4040)) skip=1 > /dev/null 2>&1
fi
MAGIC=$(od -A n -X -j 0 -N 4 "$tmpdir/x.img" | sed 's/ //g')
if [[ $MAGIC == "ed26ff3a" ]]; then
$simg2img "$tmpdir/x.img" "$tmpdir/$file" > /dev/null 2>&1
else
mv "$tmpdir/x.img" "$tmpdir/$file"
fi
done
romzip=""
elif [[ $(7z l -ba "$romzip" | grep "super.img") ]]; then
echo "super detected"
foundsupers=$(7z l -ba "$romzip" | gawk '{ print $NF }' | grep "super.img")
7z e -y "$romzip" $foundsupers dummypartition 2>/dev/null >> $tmpdir/zip.log
superchunk=$(ls | grep chunk | grep super | sort)
if [[ $(echo "$superchunk" | grep "sparsechunk") ]]; then
$simg2img $(echo "$superchunk" | tr '\n' ' ') super.img.raw 2>/dev/null
rm -rf *super*chunk*
fi
superimage
elif [[ $(7z l -ba "$romzip" | grep tar.md5 | gawk '{ print $NF }' | grep AP_) ]]; then
echo "AP tarmd5 detected"
mainmd5=$(7z l -ba "$romzip" | grep tar.md5 | gawk '{ print $NF }' | grep AP_)
cscmd5=$(7z l -ba "$romzip" | grep tar.md5 | gawk '{ print $NF }' | grep CSC_)
echo "Extracting tarmd5"
7z e -y "$romzip" "$mainmd5" $cscmd5 2>/dev/null >> $tmpdir/zip.log
mainmd5=$(7z l -ba "$romzip" | grep tar.md5 | gawk '{ print $NF }' | grep AP_ | sed 's|.*/||')
cscmd5=$(7z l -ba "$romzip" | grep tar.md5 | gawk '{ print $NF }' | grep CSC_ | sed 's|.*/||')
echo "Extracting images..."
for i in "$mainmd5" "$cscmd5"; do
if [ ! -f "$i" ]; then
continue
fi
for partition in $PARTITIONS; do
tarulist=$(tar -tf $i | grep -e ".*$partition.*\.img.*\|.*$partition.*ext4")
echo "$tarulist" | while read line; do
tar -xf "$i" "$line"
if [[ $(echo "$line" | grep "\.lz4") ]]; then
unlz4 -f -q "$line" "$partition.img"
rm -f "$line"
line=$(echo "$line" | sed 's/\.lz4$//')
fi
if [[ $(echo "$line" | grep "\.ext4") ]]; then
mv "$line" "$(echo "$line" | cut -d'.' -f1).img"
fi
done
done
done
if [[ -e "$tmpdir/super.img.lz4" ]]; then
echo "Extracting super.img.lz4"
lz4_list=`find "$tmpdir" -type f -name "*.lz4" -printf '%P\n' | sort`
for file in $lz4_list; do
[[ ! -e "$( echo "$file" | sed "s|.lz4||1" )" ]] && unlz4 "$tmpdir/$file"
done
find $tmpdir/ -type f -name "*.lz4" -exec rm -rf {} \;
superimage
fi
if [[ -f system.img ]]; then
rm -rf $mainmd5
rm -rf $cscmd5
else
echo "Extract failed"
rm -rf "$tmpdir"
exit 1
fi
romzip=""
elif [[ $(7z l -ba "$romzip" | grep .tar) && ! $(7z l -ba "$romzip" | grep tar.md5 | gawk '{ print $NF }' | grep AP_) ]]; then
tar=$(7z l -ba "$romzip" | grep .tar | gawk '{ print $NF }')
echo "non AP tar detected"
7z e -y "$romzip" $tar 2>/dev/null >> $tmpdir/zip.log
"$LOCALDIR/extractor.sh" $tar "$outdir"
exit
elif [[ $(7z l -ba "$romzip" | grep payload.bin) ]]; then
echo "AB OTA detected"
7z e -y "$romzip" payload.bin 2>/dev/null >> $tmpdir/zip.log
python3 "$LOCALDIR/tools/extract_android_ota_payload/extract_android_ota_payload.py" payload.bin $tmpdir
for partition in $PARTITIONS; do
[[ -e "$tmpdir/$partition.img" ]] && mv "$tmpdir/$partition.img" "$outdir/$partition.img"
done
rm payload.bin
rm -rf "$tmpdir"
exit
elif [[ $(7z l -ba "$romzip" | grep ".*.rar\|.*.zip") ]]; then
echo "Image zip firmware detected"
mkdir -p $tmpdir/zipfiles
7z e -y "$romzip" -o$tmpdir/zipfiles 2>/dev/null >> $tmpdir/zip.log
find $tmpdir/zipfiles -name "* *" -type d,f | rename 's/ /_/g' > /dev/null 2>&1
zip_list=`find $tmpdir/zipfiles -type f -size +300M \( -name "*.rar*" -o -name "*.zip*" \) -printf '%P\n' | sort`
for file in $zip_list; do
"$LOCALDIR/extractor.sh" $tmpdir/zipfiles/$file "$outdir"
done
exit
elif [[ $(7z l -ba "$romzip" | grep "UPDATE.APP") ]]; then
echo "Huawei UPDATE.APP detected"
7z x "$romzip" UPDATE.APP
python3 $splituapp -f "UPDATE.APP" -l super || (
for partition in $PARTITIONS; do
python3 $splituapp -f "UPDATE.APP" -l ${partition/.img/} || echo "$partition not found in UPDATE.APP"
done)
if [ -f super.img ]; then
($simg2img super.img super.img.raw || mv super.img super.img.raw) 2>/dev/null
for partition in $PARTITIONS; do
($lpunpack --partition="$partition"_a super.img.raw || $lpunpack --partition="$partition" super.img.raw) 2>/dev/null
if [ -f "$partition"_a.img ]; then
mv "$partition"_a.img "$partition".img
else
foundpartitions=$(7z l -ba "$romzip" | gawk '{ print $NF }' | grep $partition.img)
7z e -y "$romzip" $foundpartitions dummypartition 2>/dev/null >> $tmpdir/zip.log
fi
done
rm -rf super.img.raw
fi
fi
for partition in $PARTITIONS; do
if [ -f $partition.img ]; then
$simg2img $partition.img "$outdir"/$partition.img 2>/dev/null
fi
if [[ ! -s "$outdir"/$partition.img ]] && [ -f $partition.img ]; then
mv $partition.img "$outdir"/$partition.img
fi
if [[ $EXT4PARTITIONS =~ (^|[[:space:]])"$partition"($|[[:space:]]) ]] && [ -f "$outdir"/$partition.img ]; then
MAGIC=$(head -c12 "$outdir"/$partition.img | tr -d '\0')
offset=$(LANG=C grep -aobP -m1 '\x53\xEF' "$outdir"/$partition.img | head -1 | gawk '{print $1 - 1080}')
if [[ $(echo "$MAGIC" | grep "MOTO") ]]; then
if [[ "$offset" == 128055 ]]; then
offset=131072
fi
echo "MOTO header detected on $partition in $offset"
elif [[ $(echo "$MAGIC" | grep "ASUS") ]]; then
echo "ASUS header detected on $partition in $offset"
else
offset=0
fi
if [ ! $offset == "0" ]; then
dd if="$outdir"/$partition.img of="$outdir"/$partition.img-2 ibs=$offset skip=1 2>/dev/null
mv "$outdir"/$partition.img-2 "$outdir"/$partition.img
fi
fi
if [ ! -s "$outdir"/$partition.img ] && [ -f "$outdir"/$partition.img ]; then
rm "$outdir"/$partition.img
fi
done
cd "$LOCALDIR"
rm -rf "$tmpdir"