diff options
Diffstat (limited to 'src/main/java')
| -rw-r--r-- | src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java | 62 | ||||
| -rw-r--r-- | src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java | 61 |
2 files changed, 67 insertions, 56 deletions
diff --git a/src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java b/src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java new file mode 100644 index 00000000..49e9a81a --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java @@ -0,0 +1,62 @@ +package eu.siacs.conversations.utils; + +import java.lang.reflect.Method; +import java.security.NoSuchAlgorithmException; +import java.util.Arrays; +import java.util.Collection; +import java.util.LinkedList; + +import javax.net.ssl.SSLSocket; +import javax.net.ssl.SSLSocketFactory; + +public class SSLSocketHelper { + + public static void setSecurity(final SSLSocket sslSocket) throws NoSuchAlgorithmException { + final String[] supportProtocols; + final Collection<String> supportedProtocols = new LinkedList<>( + Arrays.asList(sslSocket.getSupportedProtocols())); + supportedProtocols.remove("SSLv3"); + supportProtocols = supportedProtocols.toArray(new String[supportedProtocols.size()]); + + sslSocket.setEnabledProtocols(supportProtocols); + + final String[] cipherSuites = CryptoHelper.getOrderedCipherSuites( + sslSocket.getSupportedCipherSuites()); + if (cipherSuites.length > 0) { + sslSocket.setEnabledCipherSuites(cipherSuites); + } + } + + public static void setSNIHost(final SSLSocketFactory factory, final SSLSocket socket, final String hostname) { + if (factory instanceof android.net.SSLCertificateSocketFactory && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) { + ((android.net.SSLCertificateSocketFactory) factory).setHostname(socket, hostname); + } else { + try { + socket.getClass().getMethod("setHostname", String.class).invoke(socket, hostname); + } catch (Throwable e) { + // ignore any error, we just can't set the hostname... + } + } + } + + public static void setAlpnProtocol(final SSLSocketFactory factory, 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}); + } + } catch (Throwable e) { + // ignore any error, we just can't set the alpn protocol... + } + } +} diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java index be001a7f..01150b32 100644 --- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java +++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java @@ -20,7 +20,6 @@ import org.xmlpull.v1.XmlPullParserException; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; -import java.lang.reflect.Method; import java.math.BigInteger; import java.net.ConnectException; import java.net.IDN; @@ -35,12 +34,9 @@ import java.security.Principal; import java.security.PrivateKey; import java.security.cert.X509Certificate; import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; import java.util.HashMap; import java.util.Hashtable; import java.util.Iterator; -import java.util.LinkedList; import java.util.List; import java.util.Map.Entry; @@ -66,6 +62,7 @@ import eu.siacs.conversations.generator.IqGenerator; import eu.siacs.conversations.services.XmppConnectionService; import eu.siacs.conversations.utils.CryptoHelper; import eu.siacs.conversations.utils.DNSHelper; +import eu.siacs.conversations.utils.SSLSocketHelper; import eu.siacs.conversations.utils.SocksSocketFactory; import eu.siacs.conversations.utils.Xmlns; import eu.siacs.conversations.xml.Element; @@ -297,9 +294,9 @@ public class XmppConnection implements Runnable { throw new IOException("could not initialize ssl socket"); } - setSSLSocketSecurity((SSLSocket) socket); - this.setSNIHost(tlsFactoryVerifier.factory, (SSLSocket) socket, account.getServer().getDomainpart()); - this.setAlpnProtocol(tlsFactoryVerifier.factory, (SSLSocket) socket, "xmpp-client"); + SSLSocketHelper.setSecurity((SSLSocket) socket); + SSLSocketHelper.setSNIHost(tlsFactoryVerifier.factory, (SSLSocket) socket, account.getServer().getDomainpart()); + SSLSocketHelper.setAlpnProtocol(tlsFactoryVerifier.factory, (SSLSocket) socket, "xmpp-client"); socket.connect(addr, Config.SOCKET_TIMEOUT * 1000); @@ -377,39 +374,6 @@ public class XmppConnection implements Runnable { return false; } - private void setSNIHost(final SSLSocketFactory factory, final SSLSocket socket, final String hostname) { - if (factory instanceof android.net.SSLCertificateSocketFactory && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) { - ((android.net.SSLCertificateSocketFactory) factory).setHostname(socket, hostname); - } else { - try { - socket.getClass().getMethod("setHostname", String.class).invoke(socket, hostname); - } catch (Throwable e) { - // ignore any error, we just can't set the hostname... - } - } - } - - private void setAlpnProtocol(final SSLSocketFactory factory, 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}); - } - } catch (Throwable e) { - // ignore any error, we just can't set the alpn protocol... - } - } - private static class TlsFactoryVerifier { private final SSLSocketFactory factory; private final HostnameVerifier verifier; @@ -705,22 +669,7 @@ public class XmppConnection implements Runnable { tagWriter.writeTag(startTLS); } - private void setSSLSocketSecurity(final SSLSocket sslSocket) throws NoSuchAlgorithmException { - final String[] supportProtocols; - final Collection<String> supportedProtocols = new LinkedList<>( - Arrays.asList(sslSocket.getSupportedProtocols())); - supportedProtocols.remove("SSLv3"); - supportProtocols = supportedProtocols.toArray(new String[supportedProtocols.size()]); - sslSocket.setEnabledProtocols(supportProtocols); - - final String[] cipherSuites = CryptoHelper.getOrderedCipherSuites( - sslSocket.getSupportedCipherSuites()); - //Log.d(Config.LOGTAG, "Using ciphers: " + Arrays.toString(cipherSuites)); - if (cipherSuites.length > 0) { - sslSocket.setEnabledCipherSuites(cipherSuites); - } - } private void switchOverToTls(final Tag currentTag) throws XmlPullParserException, IOException { tagReader.readTag(); @@ -738,7 +687,7 @@ public class XmppConnection implements Runnable { throw new IOException("could not initialize ssl socket"); } - setSSLSocketSecurity(sslSocket); + SSLSocketHelper.setSecurity(sslSocket); if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), sslSocket.getSession())) { Log.d(Config.LOGTAG,account.getJid().toBareJid()+": TLS certificate verification failed"); |