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Add support for SSLParameters.setCipherSuiteOrder() when using Java8+

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Motivation:

When using java8+ we should support SSLParameters.setCipherSuiteOrder()

Modifications:

Add support of SLParameters.setCipherSuiteOrder() by using reflection, so we can compile with java7 but still support it.

Result:

Users that use java8+ can use SSLParameters.setCipherSuiteOrder()
This commit is contained in:
Norman Maurer 2016-06-20 09:32:58 +02:00
parent e14a385a88
commit e4d21abfc1
1 changed files with 68 additions and 24 deletions
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92
handler/src/main/java/io/netty/handler/ssl/OpenSslEngine.java
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@ -85,6 +85,8 @@ public final class OpenSslEngine extends SSLEngine {
private static final Method GET_SERVER_NAMES_METHOD;
private static final Method SET_SERVER_NAMES_METHOD;
private static final Method GET_ASCII_NAME_METHOD;
private static final Method GET_USE_CIPHER_SUITES_ORDER_METHOD;
private static final Method SET_USE_CIPHER_SUITES_ORDER_METHOD;
static {
ENGINE_CLOSED.setStackTrace(EmptyArrays.EMPTY_STACK_TRACE);
@ -98,11 +100,25 @@ public final class OpenSslEngine extends SSLEngine {
}
DESTROYED_UPDATER = destroyedUpdater;
Method getUseCipherSuitesOrderMethod = null;
Method setUseCipherSuitesOrderMethod = null;
Class<?> sniHostNameClass = null;
Method getAsciiNameMethod = null;
Method getServerNamesMethod = null;
Method setServerNamesMethod = null;
if (PlatformDependent.javaVersion() >= 8) {
try {
getUseCipherSuitesOrderMethod = SSLParameters.class.getDeclaredMethod("getUseCipherSuitesOrder");
SSLParameters parameters = new SSLParameters();
@SuppressWarnings("unused")
Boolean order = (Boolean) getUseCipherSuitesOrderMethod.invoke(parameters);
setUseCipherSuitesOrderMethod = SSLParameters.class.getDeclaredMethod("setUseCipherSuitesOrder",
boolean.class);
setUseCipherSuitesOrderMethod.invoke(parameters, true);
} catch (Throwable ignore) {
getUseCipherSuitesOrderMethod = null;
setUseCipherSuitesOrderMethod = null;
}
try {
sniHostNameClass = Class.forName("javax.net.ssl.SNIHostName", false,
PlatformDependent.getClassLoader(OpenSslEngine.class));
@ -124,6 +140,8 @@ public final class OpenSslEngine extends SSLEngine {
setServerNamesMethod = null;
}
}
GET_USE_CIPHER_SUITES_ORDER_METHOD = getUseCipherSuitesOrderMethod;
SET_USE_CIPHER_SUITES_ORDER_METHOD = setUseCipherSuitesOrderMethod;
SNI_HOSTNAME_CLASS = sniHostNameClass;
GET_ASCII_NAME_METHOD = getAsciiNameMethod;
GET_SERVER_NAMES_METHOD = getServerNamesMethod;
@ -1440,13 +1458,25 @@ public final class OpenSslEngine extends SSLEngine {
if (version >= 7) {
sslParameters.setEndpointIdentificationAlgorithm(endPointIdentificationAlgorithm);
SslParametersUtils.setAlgorithmConstraints(sslParameters, algorithmConstraints);
if (version >= 8 && SET_SERVER_NAMES_METHOD != null && sniHostNames != null) {
try {
SET_SERVER_NAMES_METHOD.invoke(sslParameters, sniHostNames);
} catch (IllegalAccessException e) {
throw new Error(e);
} catch (InvocationTargetException e) {
throw new Error(e);
if (version >= 8) {
if (SET_SERVER_NAMES_METHOD != null && sniHostNames != null) {
try {
SET_SERVER_NAMES_METHOD.invoke(sslParameters, sniHostNames);
} catch (IllegalAccessException e) {
throw new Error(e);
} catch (InvocationTargetException e) {
throw new Error(e);
}
}
if (SET_USE_CIPHER_SUITES_ORDER_METHOD != null && !isDestroyed()) {
try {
SET_USE_CIPHER_SUITES_ORDER_METHOD.invoke(sslParameters,
(SSL.getOptions(ssl) & SSL.SSL_OP_CIPHER_SERVER_PREFERENCE) != 0);
} catch (IllegalAccessException e) {
throw new Error(e);
} catch (InvocationTargetException e) {
throw new Error(e);
}
}
}
}
@ -1461,25 +1491,39 @@ public final class OpenSslEngine extends SSLEngine {
if (version >= 7) {
endPointIdentificationAlgorithm = sslParameters.getEndpointIdentificationAlgorithm();
algorithmConstraints = sslParameters.getAlgorithmConstraints();
if (version >= 8 && SNI_HOSTNAME_CLASS != null && clientMode && !isDestroyed()) {
assert GET_SERVER_NAMES_METHOD != null;
assert GET_ASCII_NAME_METHOD != null;
try {
List<?> servernames = (List<?>) GET_SERVER_NAMES_METHOD.invoke(sslParameters);
for (Object serverName : servernames) {
if (SNI_HOSTNAME_CLASS.isInstance(serverName)) {
SSL.setTlsExtHostName(ssl, (String) GET_ASCII_NAME_METHOD.invoke(serverName));
} else {
throw new IllegalArgumentException("Only " + SNI_HOSTNAME_CLASS.getName()
+ " instances are supported, but found: " + serverName);
if (version >= 8) {
if (SNI_HOSTNAME_CLASS != null && clientMode && !isDestroyed()) {
assert GET_SERVER_NAMES_METHOD != null;
assert GET_ASCII_NAME_METHOD != null;
try {
List<?> servernames = (List<?>) GET_SERVER_NAMES_METHOD.invoke(sslParameters);
for (Object serverName : servernames) {
if (SNI_HOSTNAME_CLASS.isInstance(serverName)) {
SSL.setTlsExtHostName(ssl, (String) GET_ASCII_NAME_METHOD.invoke(serverName));
} else {
throw new IllegalArgumentException("Only " + SNI_HOSTNAME_CLASS.getName()
+ " instances are supported, but found: " + serverName);
}
}
sniHostNames = servernames;
} catch (IllegalAccessException e) {
throw new Error(e);
} catch (InvocationTargetException e) {
throw new Error(e);
}
}
if (GET_USE_CIPHER_SUITES_ORDER_METHOD != null && !isDestroyed()) {
try {
if ((Boolean) GET_USE_CIPHER_SUITES_ORDER_METHOD.invoke(sslParameters)) {
SSL.setOptions(ssl, SSL.SSL_OP_CIPHER_SERVER_PREFERENCE);
} else {
SSL.clearOptions(ssl, SSL.SSL_OP_CIPHER_SERVER_PREFERENCE);
}
} catch (IllegalAccessException e) {
throw new Error(e);
} catch (InvocationTargetException e) {
throw new Error(e);
}
sniHostNames = servernames;
} catch (IllegalAccessException e) {
throw new Error(e);
} catch (InvocationTargetException e) {
throw new Error(e);
}
}
}