Add global sensitive props scripts (#57)

Please see
https://github.com/osm0sis/PlayIntegrityFork/tree/main/module
and
https://github.com/Displax/safetynet-fix/tree/dev/magisk
for full commit history and attribution/authorship

module/template/post-fs-data.sh

@@ -0,0 +1,32 @@
+MODPATH="${0%/*}"
+. $MODPATH/common_func.sh
+
+# Conditional early sensitive properties
+
+# Samsung
+resetprop_if_diff ro.boot.warranty_bit 0
+resetprop_if_diff ro.vendor.boot.warranty_bit 0
+resetprop_if_diff ro.vendor.warranty_bit 0
+resetprop_if_diff ro.warranty_bit 0
+
+# Xiaomi
+resetprop_if_diff ro.secureboot.lockstate locked
+
+# Realme
+resetprop_if_diff ro.boot.realmebootstate green
+
+# OnePlus
+resetprop_if_diff ro.is_ever_orange 0
+
+# Microsoft
+for PROP in $(resetprop | grep -oE 'ro.*.build.tags'); do
+    resetprop_if_diff $PROP release-keys
+done
+
+# Other
+for PROP in $(resetprop | grep -oE 'ro.*.build.type'); do
+    resetprop_if_diff $PROP user
+done
+resetprop_if_diff ro.debuggable 0
+resetprop_if_diff ro.force.debuggable 0
+resetprop_if_diff ro.secure 1