device_phh_treble/rw-system.sh

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#!/system/bin/sh
set -e
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fixSPL() {
if [ "$(getprop ro.product.cpu.abi)" == "armeabi-v7a" ];then
setprop ro.keymaster.mod 'AOSP on ARM32'
else
setprop ro.keymaster.mod 'AOSP on ARM64'
fi
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img="$(find /dev/block -type l |grep by-name |grep /kernel$(getprop ro.boot.slot_suffix) |head -n 1)"
[ -z "$img" ] && img="$(find /dev/block -type l |grep by-name |grep /boot$(getprop ro.boot.slot_suffix) |head -n 1)"
if [ -n "$img" ];then
#Rewrite SPL/Android version if needed
Arelease="$(getSPL $img android)"
setprop ro.keymaster.xxx.release "$Arelease"
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setprop ro.keymaster.xxx.security_patch "$(getSPL $img spl)"
for f in /vendor/lib64/hw/android.hardware.keymaster@3.0-impl-qti.so /system/lib64/vndk-26/libsoftkeymasterdevice.so /vendor/bin/teed /system/lib64/vndk/libsoftkeymasterdevice.so /system/lib/vndk/libsoftkeymasterdevice.so;do
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[ ! -f $f ] && continue
ctxt="$(ls -lZ $f |grep -oE 'u:object_r:[^:]*:s0')"
b="$(echo "$f"|tr / _)"
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mkdir -p /mnt/phh/
cp -a $f /mnt/phh/$b
sed -i \
-e 's/ro.build.version.release/ro.keymaster.xxx.release/g' \
-e 's/ro.build.version.security_patch/ro.keymaster.xxx.security_patch/g' \
-e 's/ro.product.model/ro.keymaster.mod/g' \
/mnt/phh/$b
chcon "$ctxt" /mnt/phh/$b
mount -o bind /mnt/phh/$b $f
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done
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if [ "$(getprop init.svc.keymaster-3-0)" == "running" ];then
setprop ctl.restart keymaster-3-0
fi
if [ "$(getprop init.svc.teed)" == "running" ];then
setprop ctl.restart teed
fi
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fi
}
if mount -o remount,rw /system;then
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resize2fs $(grep ' /system ' /proc/mounts |cut -d ' ' -f 1) || true
elif mount -o remount,rw /;then
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resize2fs /dev/root || true
fi
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mount -o remount,ro /system || true
mount -o remount,ro / || true
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fixSPL
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if grep vendor.huawei.hardware.biometrics.fingerprint /vendor/manifest.xml;then
mount -o bind system/phh/huawei/fingerprint.kl /vendor/usr/keylayout/fingerprint.kl
fi
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if ! grep android.hardware.biometrics.fingerprint /vendor/manifest.xml;then
mount -o bind system/phh/empty /system/etc/permissions/android.hardware.fingerprint.xml
fi
if ! grep android.hardware.ir /vendor/manifest.xml;then
mount -o bind system/phh/empty /system/etc/permissions/android.hardware.consumerir.xml
fi