Restrict /system/build.prop

Refs #575

README.md

@@ -586,6 +586,7 @@ How to get beta releases:
 
 * Setting for IP address ([issue](https://github.com/M66B/XPrivacy/issues/554))
 * Restrict browser user agent string ([issue](https://github.com/M66B/XPrivacy/issues/537))
+* Restrict /system/build.prop ([issue](https://github.com/M66B/XPrivacy/issues/575))
 * Fixed margins on large screens
 * Fixed restricting NFC
 * Fixed exporting dangerous function exceptions ([issue](https://github.com/M66B/XPrivacy/issues/283))

assets/meta.xml

@@ -45,6 +45,7 @@
     <Hook restriction="identification" method="%macaddr" permissions="" sdk="14" />
     <Hook restriction="identification" method="%serialno" permissions="" sdk="14" />
     <Hook restriction="identification" method="/proc" dangerous="true" permissions="" sdk="14" />
+    <Hook restriction="identification" method="/system/build.prop" dangerous="true" permissions="" sdk="14" />
     <Hook restriction="identification" method="getString" permissions="" sdk="14" />
     <Hook restriction="identification" method="GservicesProvider" dangerous="true" permissions="READ_GSERVICES" sdk="14" />
     <Hook restriction="identification" method="SERIAL" permissions="" sdk="14" />

src/biz/bokhorst/xprivacy/XIoBridge.java

@@ -27,6 +27,7 @@ public String getClassName() {
 	public static List<XHook> getInstances() {
 		List<XHook> listHook = new ArrayList<XHook>();
 		listHook.add(new XIoBridge("open", PrivacyManager.cIdentification, "/proc"));
+		listHook.add(new XIoBridge("open", PrivacyManager.cIdentification, "/system/build.prop"));
 		return listHook;
 	}
 
@@ -35,13 +36,13 @@ protected void before(MethodHookParam param) throws Throwable {
 		if (param.args.length > 0) {
 			String fileName = (String) param.args[0];
 			if (fileName != null && fileName.startsWith(mFileName)) {
+				// Zygote, Android
+				if (Process.myUid() <= 0 || Process.myUid() == PrivacyManager.cAndroidUid)
+					return;
+
 				// /proc
 				if (mFileName.equals("/proc")) {
-					// Zygote, Android
-					if (Process.myUid() <= 0 || Process.myUid() == PrivacyManager.cAndroidUid)
-						return;
-
-					// Facebook
+					// Allow command line
 					if (fileName.equals("/proc/self/cmdline"))
 						return;