Check bootimage build fingerprint against vendor (cb3fd694) · Commits · e / os / android_frameworks_base

core/java/android/os/Build.java

+26 −17

Original line number	Original line	Diff line number	Diff line
	@@ -653,6 +653,7 @@ public class Build {
	public static boolean isFingerprintConsistent() {		public static boolean isFingerprintConsistent() {
	final String system = SystemProperties.get("ro.build.fingerprint");		final String system = SystemProperties.get("ro.build.fingerprint");
	final String vendor = SystemProperties.get("ro.vendor.build.fingerprint");		final String vendor = SystemProperties.get("ro.vendor.build.fingerprint");
			final String bootimage = SystemProperties.get("ro.bootimage.build.fingerprint");

	if (TextUtils.isEmpty(system)) {		if (TextUtils.isEmpty(system)) {
	Slog.e(TAG, "Required ro.build.fingerprint is empty!");		Slog.e(TAG, "Required ro.build.fingerprint is empty!");
	@@ -667,6 +668,14 @@ public class Build {
	}		}
	}		}

			if (!TextUtils.isEmpty(bootimage)) {
			if (!Objects.equals(vendor, bootimage)) {
			Slog.e(TAG, "Mismatched fingerprints; system and vendor reported " + system
			+ " but bootimage reported " + bootimage);
			return false;
			}
			}

	return true;		return true;
	}		}