Update core/java/android/net/DnsResolver.java (4da99dbb) · Commits · e / os / android_frameworks_base

core/java/android/net/DnsResolver.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -108,6 +108,10 @@ public final class DnsResolver {

		private static final int NETID_UNSET = 0;

		/**
		* List of blocked domains
		*/
		private static final String[] BLOCKED_DOMAINS = new String[]{"google.com", "facebook.com"};
		private static final DnsResolver sInstance = new DnsResolver();

		/**
		@@ -230,6 +234,12 @@ public final class DnsResolver {
		if (cancellationSignal != null && cancellationSignal.isCanceled()) {
		return;
		}
		for (String blockedDomain : BLOCKED_DOMAINS) {
		if(domain.toLowerCase().contains(blockedDomain.toLowerCase())) {
		executor.execute(() -> callback.onError(new DnsException(ERROR_SYSTEM, null)));
		return;
		}
		}
		final Object lock = new Object();
		final FileDescriptor queryfd;
		try {
		@@ -331,6 +341,13 @@ public final class DnsResolver {
		if (cancellationSignal != null && cancellationSignal.isCanceled()) {
		return;
		}

		for (String blockedDomain : BLOCKED_DOMAINS) {
		if(domain.toLowerCase().contains(blockedDomain.toLowerCase())) {
		executor.execute(() -> callback.onError(new DnsException(ERROR_SYSTEM, null)));
		return;
		}
		}
		final Object lock = new Object();
		final Network queryNetwork;
		try {
		@@ -430,6 +447,13 @@ public final class DnsResolver {
		if (cancellationSignal != null && cancellationSignal.isCanceled()) {
		return;
		}

		for (String blockedDomain : BLOCKED_DOMAINS) {
		if(domain.toLowerCase().contains(blockedDomain.toLowerCase())) {
		executor.execute(() -> callback.onError(new DnsException(ERROR_SYSTEM, null)));
		return;
		}
		}
		final Object lock = new Object();
		final FileDescriptor queryfd;
		final Network queryNetwork;