narayana/conversations-classic
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fixed regression that didn’t enable SNI

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This commit is contained in:
Daniel Gultsch 2018-09-22 13:32:46 +02:00
parent 6637d7056e
commit b759cf902d
2 changed files with 34 additions and 21 deletions
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51
src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java
View file

@ -1,14 +1,20 @@
package eu.siacs.conversations.utils;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.util.Log;
import java.lang.reflect.Method;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import javax.net.ssl.SNIHostName;
import javax.net.ssl.SNIServerName;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
@ -34,30 +40,37 @@ public class SSLSocketHelper {
}
}
public static void setSNIHost(final SSLSocketFactory factory, final SSLSocket socket, final String hostname) {
if (factory instanceof android.net.SSLCertificateSocketFactory) {
((android.net.SSLCertificateSocketFactory) factory).setHostname(socket, hostname);
public static void setSNIHost(final SSLSocket socket, final String hostname) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
setSNIHostNougat(socket, hostname);
} else {
try {
socket.getClass().getMethod("setHostname", String.class).invoke(socket, hostname);
} catch (Throwable e) {
Log.e(Config.LOGTAG, "unable to set SNI name on socket (" + hostname + ")", e);
}
}
}
public static void setAlpnProtocol(final SSLSocketFactory factory, final SSLSocket socket, final String protocol) {
@RequiresApi(api = Build.VERSION_CODES.N)
private static void setSNIHostNougat(final SSLSocket socket, final String hostname) {
final SSLParameters parameters = new SSLParameters();
parameters.setServerNames(Collections.singletonList(new SNIHostName(hostname)));
socket.setSSLParameters(parameters);
}
public static void setAlpnProtocol(final SSLSocket socket, final String protocol) {
try {
if (factory instanceof android.net.SSLCertificateSocketFactory && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
// can't call directly because of @hide?
//((android.net.SSLCertificateSocketFactory)factory).setAlpnProtocols(new byte[][]{protocol.getBytes("UTF-8")});
android.net.SSLCertificateSocketFactory.class.getMethod("setAlpnProtocols", byte[][].class).invoke(socket, new Object[]{new byte[][]{protocol.getBytes("UTF-8")}});
} else {
final Method method = socket.getClass().getMethod("setAlpnProtocols", byte[].class);
// the concatenation of 8-bit, length prefixed protocol names, just one in our case...
// http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#page-4
final byte[] protocolUTF8Bytes = protocol.getBytes("UTF-8");
final byte[] lengthPrefixedProtocols = new byte[protocolUTF8Bytes.length + 1];
lengthPrefixedProtocols[0] = (byte) protocol.length(); // cannot be over 255 anyhow
System.arraycopy(protocolUTF8Bytes, 0, lengthPrefixedProtocols, 1, protocolUTF8Bytes.length);
method.invoke(socket, new Object[]{lengthPrefixedProtocols});
}
final Method method = socket.getClass().getMethod("setAlpnProtocols", byte[].class);
// the concatenation of 8-bit, length prefixed protocol names, just one in our case...
// http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#page-4
final byte[] protocolUTF8Bytes = protocol.getBytes("UTF-8");
final byte[] lengthPrefixedProtocols = new byte[protocolUTF8Bytes.length + 1];
lengthPrefixedProtocols[0] = (byte) protocol.length(); // cannot be over 255 anyhow
System.arraycopy(protocolUTF8Bytes, 0, lengthPrefixedProtocols, 1, protocolUTF8Bytes.length);
method.invoke(socket, new Object[]{lengthPrefixedProtocols});
} catch (Throwable e) {
// ignore any error, we just can't set the alpn protocol...
Log.e(Config.LOGTAG,"unable to set ALPN on socket",e);
}
}

4
src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
View file

@ -377,8 +377,8 @@ public class XmppConnection implements Runnable {
}
SSLSocketHelper.setSecurity((SSLSocket) localSocket);
SSLSocketHelper.setSNIHost(tlsFactoryVerifier.factory, (SSLSocket) localSocket, account.getServer());
SSLSocketHelper.setAlpnProtocol(tlsFactoryVerifier.factory, (SSLSocket) localSocket, "xmpp-client");
SSLSocketHelper.setSNIHost((SSLSocket) localSocket, account.getServer());
SSLSocketHelper.setAlpnProtocol((SSLSocket) localSocket, "xmpp-client");
localSocket.connect(addr, Config.SOCKET_TIMEOUT * 1000);