Avoid NPE on certificates that cannot be read (92a53432) · Commits · e / os / android_frameworks_base

core/java/android/security/net/config/DirectoryCertificateSource.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.security.net.config;
		import android.os.Environment;
		import android.os.UserHandle;
		import android.util.ArraySet;
		import android.util.Log;
		import android.util.Pair;
		import java.io.BufferedInputStream;
		import java.io.File;
		@@ -44,6 +45,7 @@ import javax.security.auth.x500.X500Principal;
		* @hide
		*/
		abstract class DirectoryCertificateSource implements CertificateSource {
		private static final String LOG_TAG = "DirectoryCertificateSrc";
		private final File mDir;
		private final Object mLock = new Object();
		private final CertificateFactory mCertFactory;
		@@ -149,6 +151,9 @@ abstract class DirectoryCertificateSource implements CertificateSource {
		continue;
		}
		X509Certificate cert = readCertificate(fileName);
		if (cert == null) {
		continue;
		}
		if (!subj.equals(cert.getSubjectX500Principal())) {
		continue;
		}
		@@ -173,6 +178,9 @@ abstract class DirectoryCertificateSource implements CertificateSource {
		continue;
		}
		X509Certificate cert = readCertificate(fileName);
		if (cert == null) {
		continue;
		}
		if (!subj.equals(cert.getSubjectX500Principal())) {
		continue;
		}
		@@ -194,6 +202,7 @@ abstract class DirectoryCertificateSource implements CertificateSource {
		is = new BufferedInputStream(new FileInputStream(new File(mDir, file)));
		return (X509Certificate) mCertFactory.generateCertificate(is);
		} catch (CertificateException \| IOException e) {
		Log.e(LOG_TAG, "Failed to read certificate from " + file, e);
		return null;
		} finally {
		IoUtils.closeQuietly(is);