/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.harmony.xnet.provider.jsse;
import java.io.FileDescriptor;
import java.io.IOException;
import java.net.SocketTimeoutException;
import java.nio.ByteOrder;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SignatureException;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.crypto.BadPaddingException;
import javax.net.ssl.SSLException;
import javax.security.auth.x500.X500Principal;
import libcore.io.Memory;
/**
* Provides the Java side of our JNI glue for OpenSSL.
*/
public final class NativeCrypto {
// --- OpenSSL library initialization --------------------------------------
static {
clinit();
}
private native static void clinit();
// --- ENGINE functions ----------------------------------------------------
public static native void ENGINE_load_dynamic();
public static native int ENGINE_by_id(String id);
public static native int ENGINE_add(int e);
public static native int ENGINE_init(int e);
public static native int ENGINE_finish(int e);
public static native int ENGINE_free(int e);
public static native int ENGINE_load_private_key(int e, String key_id);
// --- DSA/RSA public/private key handling functions -----------------------
public static native int EVP_PKEY_new_DSA(byte[] p, byte[] q, byte[] g,
byte[] pub_key, byte[] priv_key);
public static native int EVP_PKEY_new_RSA(byte[] n, byte[] e, byte[] d, byte[] p, byte[] q,
byte[] dmp1, byte[] dmq1, byte[] iqmp);
public static native int EVP_PKEY_size(int pkey);
public static native int EVP_PKEY_type(int pkey);
public static native void EVP_PKEY_free(int pkey);
public static native int EVP_PKEY_cmp(int pkey1, int pkey2);
public static native byte[] i2d_PKCS8_PRIV_KEY_INFO(int pkey);
public static native int d2i_PKCS8_PRIV_KEY_INFO(byte[] data);
public static native byte[] i2d_PUBKEY(int pkey);
public static native int d2i_PUBKEY(byte[] data);
public static native int RSA_generate_key_ex(int modulusBits, byte[] publicExponent);
public static native int RSA_size(int pkey);
public static native int RSA_private_encrypt(int flen, byte[] from, byte[] to, int pkey,
int padding);
public static native int RSA_public_decrypt(int flen, byte[] from, byte[] to, int pkey,
int padding) throws BadPaddingException, SignatureException;
public static native int RSA_public_encrypt(int flen, byte[] from, byte[] to, int pkey,
int padding);
public static native int RSA_private_decrypt(int flen, byte[] from, byte[] to, int pkey,
int padding) throws BadPaddingException, SignatureException;
/**
* @return array of {n, e}
*/
public static native byte[][] get_RSA_public_params(int rsa);
/**
* @return array of {n, e, d, p, q, dmp1, dmq1, iqmp}
*/
public static native byte[][] get_RSA_private_params(int rsa);
public static native int DSA_generate_key(int primeBits, byte[] seed, byte[] g, byte[] p,
byte[] q);
/**
* @return array of {g, p, q, y(pub), x(priv)}
*/
public static native byte[][] get_DSA_params(int dsa);
public static native byte[] i2d_RSAPublicKey(int rsa);
public static native byte[] i2d_RSAPrivateKey(int rsa);
public static native byte[] i2d_DSAPublicKey(int dsa);
public static native byte[] i2d_DSAPrivateKey(int dsa);
// --- Message digest functions --------------
public static native int EVP_get_digestbyname(String name);
public static native int EVP_MD_size(int evp_md);
public static native int EVP_MD_block_size(int evp_md);
// --- Message digest context functions --------------
public static native void EVP_MD_CTX_destroy(int ctx);
public static native int EVP_MD_CTX_copy(int ctx);
// --- Digest handling functions -------------------------------------------
public static native int EVP_DigestInit(int evp_md);
public static native void EVP_DigestUpdate(int ctx, byte[] buffer, int offset, int length);
public static native int EVP_DigestFinal(int ctx, byte[] hash, int offset);
// --- Signature handling functions ----------------------------------------
public static native int EVP_SignInit(String algorithm);
public static native void EVP_SignUpdate(int ctx, byte[] buffer,
int offset, int length);
public static native int EVP_SignFinal(int ctx, byte[] signature, int offset, int key);
public static native int EVP_VerifyInit(String algorithm);
public static native void EVP_VerifyUpdate(int ctx, byte[] buffer,
int offset, int length);
public static native int EVP_VerifyFinal(int ctx, byte[] signature,
int offset, int length, int key);
// --- Block ciphers -------------------------------------------------------
public static native int EVP_get_cipherbyname(String string);
public static native int EVP_CipherInit_ex(int cipherNid, byte[] key, byte[] iv,
boolean encrypting);
public static native int EVP_CipherUpdate(int ctx, byte[] out, int outOffset, byte[] in,
int inOffset);
public static native int EVP_CipherFinal_ex(int ctx, byte[] out, int outOffset);
public static native void EVP_CIPHER_CTX_cleanup(int ctx);
// --- RAND seeding --------------------------------------------------------
public static final int RAND_SEED_LENGTH_IN_BYTES = 1024;
public static native void RAND_seed(byte[] seed);
public static native int RAND_load_file(String filename, long max_bytes);
public static native void RAND_bytes(byte[] output);
// --- X509_NAME -----------------------------------------------------------
public static int X509_NAME_hash(X500Principal principal) {
return X509_NAME_hash(principal, "SHA1");
}
public static int X509_NAME_hash_old(X500Principal principal) {
return X509_NAME_hash(principal, "MD5");
}
private static int X509_NAME_hash(X500Principal principal, String algorithm) {
try {
byte[] digest = MessageDigest.getInstance(algorithm).digest(principal.getEncoded());
return Memory.peekInt(digest, 0, ByteOrder.LITTLE_ENDIAN);
} catch (NoSuchAlgorithmException e) {
throw new AssertionError(e);
}
}
// --- SSL handling --------------------------------------------------------
private static final String SUPPORTED_PROTOCOL_SSLV3 = "SSLv3";
private static final String SUPPORTED_PROTOCOL_TLSV1 = "TLSv1";
private static final String SUPPORTED_PROTOCOL_TLSV1_1 = "TLSv1.1";
private static final String SUPPORTED_PROTOCOL_TLSV1_2 = "TLSv1.2";
public static final Map<String, String> OPENSSL_TO_STANDARD_CIPHER_SUITES
= new HashMap<String, String>();
public static final Map<String, String> STANDARD_TO_OPENSSL_CIPHER_SUITES
= new LinkedHashMap<String, String>();
private static void add(String standard, String openssl) {
OPENSSL_TO_STANDARD_CIPHER_SUITES.put(openssl, standard);
STANDARD_TO_OPENSSL_CIPHER_SUITES.put(standard, openssl);
}
/**
* TLS_EMPTY_RENEGOTIATION_INFO_SCSV is RFC 5746's renegotiation
* indication signaling cipher suite value. It is not a real
* cipher suite. It is just an indication in the default and
* supported cipher suite lists indicates that the implementation
* supports secure renegotiation.
*
* In the RI, its presence means that the SCSV is sent in the
* cipher suite list to indicate secure renegotiation support and
* its absense means to send an empty TLS renegotiation info
* extension instead.
*
* However, OpenSSL doesn't provide an API to give this level of
* control, instead always sending the SCSV and always including
* the empty renegotiation info if TLS is used (as opposed to
* SSL). So we simply allow TLS_EMPTY_RENEGOTIATION_INFO_SCSV to
* be passed for compatibility as to provide the hint that we
* support secure renegotiation.
*/
public static final String TLS_EMPTY_RENEGOTIATION_INFO_SCSV
= "TLS_EMPTY_RENEGOTIATION_INFO_SCSV";
static {
// Note these are added in priority order
add("SSL_RSA_WITH_RC4_128_MD5", "RC4-MD5");
add("SSL_RSA_WITH_RC4_128_SHA", "RC4-SHA");
add("TLS_RSA_WITH_AES_128_CBC_SHA", "AES128-SHA");
add("TLS_RSA_WITH_AES_256_CBC_SHA", "AES256-SHA");
add("TLS_ECDH_ECDSA_WITH_RC4_128_SHA", "ECDH-ECDSA-RC4-SHA");
add("TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA", "ECDH-ECDSA-AES128-SHA");
add("TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA", "ECDH-ECDSA-AES256-SHA");
add("TLS_ECDH_RSA_WITH_RC4_128_SHA", "ECDH-RSA-RC4-SHA");
add("TLS_ECDH_RSA_WITH_AES_128_CBC_SHA", "ECDH-RSA-AES128-SHA");
add("TLS_ECDH_RSA_WITH_AES_256_CBC_SHA", "ECDH-RSA-AES256-SHA");
add("TLS_ECDHE_ECDSA_WITH_RC4_128_SHA", "ECDHE-ECDSA-RC4-SHA");
add("TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA", "ECDHE-ECDSA-AES128-SHA");
add("TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA", "ECDHE-ECDSA-AES256-SHA");
add("TLS_ECDHE_RSA_WITH_RC4_128_SHA", "ECDHE-RSA-RC4-SHA");
add("TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", "ECDHE-RSA-AES128-SHA");
add("TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA", "ECDHE-RSA-AES256-SHA");
add("TLS_DHE_RSA_WITH_AES_128_CBC_SHA", "DHE-RSA-AES128-SHA");
add("TLS_DHE_RSA_WITH_AES_256_CBC_SHA", "DHE-RSA-AES256-SHA");
add("TLS_DHE_DSS_WITH_AES_128_CBC_SHA", "DHE-DSS-AES128-SHA");
add("TLS_DHE_DSS_WITH_AES_256_CBC_SHA", "DHE-DSS-AES256-SHA");
add("SSL_RSA_WITH_3DES_EDE_CBC_SHA", "DES-CBC3-SHA");
add("TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA", "ECDH-ECDSA-DES-CBC3-SHA");
add("TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA", "ECDH-RSA-DES-CBC3-SHA");
add("TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA", "ECDHE-ECDSA-DES-CBC3-SHA");
add("TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA", "ECDHE-RSA-DES-CBC3-SHA");
add("SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA", "EDH-RSA-DES-CBC3-SHA");
add("SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA", "EDH-DSS-DES-CBC3-SHA");
add("SSL_RSA_WITH_DES_CBC_SHA", "DES-CBC-SHA");
add("SSL_DHE_RSA_WITH_DES_CBC_SHA", "EDH-RSA-DES-CBC-SHA");
add("SSL_DHE_DSS_WITH_DES_CBC_SHA", "EDH-DSS-DES-CBC-SHA");
add("SSL_RSA_EXPORT_WITH_RC4_40_MD5", "EXP-RC4-MD5");
add("SSL_RSA_EXPORT_WITH_DES40_CBC_SHA", "EXP-DES-CBC-SHA");
add("SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA", "EXP-EDH-RSA-DES-CBC-SHA");
add("SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA", "EXP-EDH-DSS-DES-CBC-SHA");
add("SSL_RSA_WITH_NULL_MD5", "NULL-MD5");
add("SSL_RSA_WITH_NULL_SHA", "NULL-SHA");
add("TLS_ECDH_ECDSA_WITH_NULL_SHA", "ECDH-ECDSA-NULL-SHA");
add("TLS_ECDH_RSA_WITH_NULL_SHA", "ECDH-RSA-NULL-SHA");
add("TLS_ECDHE_ECDSA_WITH_NULL_SHA", "ECDHE-ECDSA-NULL-SHA");
add("TLS_ECDHE_RSA_WITH_NULL_SHA", "ECDHE-RSA-NULL-SHA");
add("SSL_DH_anon_WITH_RC4_128_MD5", "ADH-RC4-MD5");
add("TLS_DH_anon_WITH_AES_128_CBC_SHA", "ADH-AES128-SHA");
add("TLS_DH_anon_WITH_AES_256_CBC_SHA", "ADH-AES256-SHA");
add("SSL_DH_anon_WITH_3DES_EDE_CBC_SHA", "ADH-DES-CBC3-SHA");
add("SSL_DH_anon_WITH_DES_CBC_SHA", "ADH-DES-CBC-SHA");
add("TLS_ECDH_anon_WITH_RC4_128_SHA", "AECDH-RC4-SHA");
add("TLS_ECDH_anon_WITH_AES_128_CBC_SHA", "AECDH-AES128-SHA");
add("TLS_ECDH_anon_WITH_AES_256_CBC_SHA", "AECDH-AES256-SHA");
add("TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA", "AECDH-DES-CBC3-SHA");
add("SSL_DH_anon_EXPORT_WITH_RC4_40_MD5", "EXP-ADH-RC4-MD5");
add("SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA", "EXP-ADH-DES-CBC-SHA");
add("TLS_ECDH_anon_WITH_NULL_SHA", "AECDH-NULL-SHA");
// No Kerberos in Android
// add("TLS_KRB5_WITH_RC4_128_SHA", "KRB5-RC4-SHA");
// add("TLS_KRB5_WITH_RC4_128_MD5", "KRB5-RC4-MD5");
// add("TLS_KRB5_WITH_3DES_EDE_CBC_SHA", "KRB5-DES-CBC3-SHA");
// add("TLS_KRB5_WITH_3DES_EDE_CBC_MD5", "KRB5-DES-CBC3-MD5");
// add("TLS_KRB5_WITH_DES_CBC_SHA", "KRB5-DES-CBC-SHA");
// add("TLS_KRB5_WITH_DES_CBC_MD5", "KRB5-DES-CBC-MD5");
// add("TLS_KRB5_EXPORT_WITH_RC4_40_SHA", "EXP-KRB5-RC4-SHA");
// add("TLS_KRB5_EXPORT_WITH_RC4_40_MD5", "EXP-KRB5-RC4-MD5");
// add("TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA", "EXP-KRB5-DES-CBC-SHA");
// add("TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5", "EXP-KRB5-DES-CBC-MD5");
// not implemented by either RI or OpenSSL
// add("SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA", null);
// add("SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA", null);
// EXPORT1024 suites were never standardized but were widely implemented.
// OpenSSL 0.9.8c and later have disabled TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
// add("SSL_RSA_EXPORT1024_WITH_DES_CBC_SHA", "EXP1024-DES-CBC-SHA");
// add("SSL_RSA_EXPORT1024_WITH_RC4_56_SHA", "EXP1024-RC4-SHA");
// No RC2
// add("SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5", "EXP-RC2-CBC-MD5");
// add("TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA", "EXP-KRB5-RC2-CBC-SHA");
// add("TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5", "EXP-KRB5-RC2-CBC-MD5");
// PSK is Private Shared Key - didn't exist in Froyo's openssl - no JSSE equivalent
// add(null, "PSK-3DES-EDE-CBC-SHA");
// add(null, "PSK-AES128-CBC-SHA");
// add(null, "PSK-AES256-CBC-SHA");
// add(null, "PSK-RC4-SHA");
// Signaling Cipher Suite Value for secure renegotiation handled as special case.
// add("TLS_EMPTY_RENEGOTIATION_INFO_SCSV", null);
}
private static final String[] SUPPORTED_CIPHER_SUITES;
static {
int size = STANDARD_TO_OPENSSL_CIPHER_SUITES.size();
SUPPORTED_CIPHER_SUITES = new String[size + 1];
STANDARD_TO_OPENSSL_CIPHER_SUITES.keySet().toArray(SUPPORTED_CIPHER_SUITES);
SUPPORTED_CIPHER_SUITES[size] = TLS_EMPTY_RENEGOTIATION_INFO_SCSV;
}
// EVP_PKEY types from evp.h and objects.h
public static final int EVP_PKEY_RSA = 6; // NID_rsaEcnryption
public static final int EVP_PKEY_DSA = 116; // NID_dsa
public static final int EVP_PKEY_DH = 28; // NID_dhKeyAgreement
public static final int EVP_PKEY_EC = 408; // NID_X9_62_id_ecPublicKey
// RSA padding modes from rsa.h
public static final int RSA_PKCS1_PADDING = 1;
public static final int RSA_NO_PADDING = 3;
// SSL mode from ssl.h
public static final long SSL_MODE_HANDSHAKE_CUTTHROUGH = 0x00000040L;
// SSL options from ssl.h
public static final long SSL_OP_NO_TICKET = 0x00004000L;
public static final long SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION = 0x00010000L;
public static final long SSL_OP_NO_SSLv3 = 0x02000000L;
public static final long SSL_OP_NO_TLSv1 = 0x04000000L;
public static final long SSL_OP_NO_TLSv1_1 = 0x10000000L;
public static final long SSL_OP_NO_TLSv1_2 = 0x08000000L;
public static native int SSL_CTX_new();
public static String[] getDefaultCipherSuites() {
return new String[] {
"SSL_RSA_WITH_RC4_128_MD5",
"SSL_RSA_WITH_RC4_128_SHA",
"TLS_RSA_WITH_AES_128_CBC_SHA",
"TLS_RSA_WITH_AES_256_CBC_SHA",
"TLS_ECDH_ECDSA_WITH_RC4_128_SHA",
"TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA",
"TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA",
"TLS_ECDH_RSA_WITH_RC4_128_SHA",
"TLS_ECDH_RSA_WITH_AES_128_CBC_SHA",
"TLS_ECDH_RSA_WITH_AES_256_CBC_SHA",
"TLS_ECDHE_ECDSA_WITH_RC4_128_SHA",
"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
"TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
"TLS_ECDHE_RSA_WITH_RC4_128_SHA",
"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA",
"TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
"TLS_DHE_RSA_WITH_AES_128_CBC_SHA",
"TLS_DHE_RSA_WITH_AES_256_CBC_SHA",
"TLS_DHE_DSS_WITH_AES_128_CBC_SHA",
"TLS_DHE_DSS_WITH_AES_256_CBC_SHA",
"SSL_RSA_WITH_3DES_EDE_CBC_SHA",
"TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA",
"TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA",
"TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA",
"TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA",
"SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA",
"SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA",
"SSL_RSA_WITH_DES_CBC_SHA",
"SSL_DHE_RSA_WITH_DES_CBC_SHA",
"SSL_DHE_DSS_WITH_DES_CBC_SHA",
"SSL_RSA_EXPORT_WITH_RC4_40_MD5",
"SSL_RSA_EXPORT_WITH_DES40_CBC_SHA",
"SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA",
"SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA",
TLS_EMPTY_RENEGOTIATION_INFO_SCSV
};
}
public static String[] getSupportedCipherSuites() {
return SUPPORTED_CIPHER_SUITES.clone();
}
public static native void SSL_CTX_free(int ssl_ctx);
public static native void SSL_CTX_set_session_id_context(int ssl_ctx, byte[] sid_ctx);
public static native int SSL_new(int ssl_ctx) throws SSLException;
public static byte[][] encodeCertificates(Certificate[] certificates)
throws CertificateEncodingException {
byte[][] certificateBytes = new byte[certificates.length][];
for (int i = 0; i < certificates.length; i++) {
certificateBytes[i] = certificates[i].getEncoded();
}
return certificateBytes;
}
public static native void SSL_use_certificate(int ssl, byte[][] asn1DerEncodedCertificateChain);
public static native void SSL_use_OpenSSL_PrivateKey(int ssl, int pkey);
public static native void SSL_use_PrivateKey(int ssl, byte[] pkcs8EncodedPrivateKey);
public static native void SSL_check_private_key(int ssl) throws SSLException;
public static byte[][] encodeIssuerX509Principals(X509Certificate[] certificates)
throws CertificateEncodingException {
byte[][] principalBytes = new byte[certificates.length][];
for (int i = 0; i < certificates.length; i++) {
principalBytes[i] = certificates[i].getIssuerX500Principal().getEncoded();
}
return principalBytes;
}
public static native void SSL_set_client_CA_list(int ssl, byte[][] asn1DerEncodedX500Principals);
public static native long SSL_get_mode(int ssl);
public static native long SSL_set_mode(int ssl, long mode);
public static native long SSL_clear_mode(int ssl, long mode);
public static native long SSL_get_options(int ssl);
public static native long SSL_set_options(int ssl, long options);
public static native long SSL_clear_options(int ssl, long options);
public static String[] getDefaultProtocols() {
return new String[] { SUPPORTED_PROTOCOL_SSLV3,
SUPPORTED_PROTOCOL_TLSV1,
};
}
public static String[] getSupportedProtocols() {
return new String[] { SUPPORTED_PROTOCOL_SSLV3,
SUPPORTED_PROTOCOL_TLSV1,
SUPPORTED_PROTOCOL_TLSV1_1,
SUPPORTED_PROTOCOL_TLSV1_2,
};
}
public static void setEnabledProtocols(int ssl, String[] protocols) {
checkEnabledProtocols(protocols);
// openssl uses negative logic letting you disable protocols.
// so first, assume we need to set all (disable all) and clear none (enable none).
// in the loop, selectively move bits from set to clear (from disable to enable)
long optionsToSet = (SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1_2);
long optionsToClear = 0;
for (int i = 0; i < protocols.length; i++) {
String protocol = protocols[i];
if (protocol.equals(SUPPORTED_PROTOCOL_SSLV3)) {
optionsToSet &= ~SSL_OP_NO_SSLv3;
optionsToClear |= SSL_OP_NO_SSLv3;
} else if (protocol.equals(SUPPORTED_PROTOCOL_TLSV1)) {
optionsToSet &= ~SSL_OP_NO_TLSv1;
optionsToClear |= SSL_OP_NO_TLSv1;
} else if (protocol.equals(SUPPORTED_PROTOCOL_TLSV1_1)) {
optionsToSet &= ~SSL_OP_NO_TLSv1_1;
optionsToClear |= SSL_OP_NO_TLSv1_1;
} else if (protocol.equals(SUPPORTED_PROTOCOL_TLSV1_2)) {
optionsToSet &= ~SSL_OP_NO_TLSv1_2;
optionsToClear |= SSL_OP_NO_TLSv1_2;
} else {
// error checked by checkEnabledProtocols
throw new IllegalStateException();
}
}
SSL_set_options(ssl, optionsToSet);
SSL_clear_options(ssl, optionsToClear);
}
public static String[] checkEnabledProtocols(String[] protocols) {
if (protocols == null) {
throw new IllegalArgumentException("protocols == null");
}
for (int i = 0; i < protocols.length; i++) {
String protocol = protocols[i];
if (protocol == null) {
throw new IllegalArgumentException("protocols[" + i + "] == null");
}
if ((!protocol.equals(SUPPORTED_PROTOCOL_SSLV3))
&& (!protocol.equals(SUPPORTED_PROTOCOL_TLSV1))
&& (!protocol.equals(SUPPORTED_PROTOCOL_TLSV1_1))
&& (!protocol.equals(SUPPORTED_PROTOCOL_TLSV1_2))) {
throw new IllegalArgumentException("protocol " + protocol
+ " is not supported");
}
}
return protocols;
}
public static native void SSL_set_cipher_lists(int ssl, String[] ciphers);
public static void setEnabledCipherSuites(int ssl, String[] cipherSuites) {
checkEnabledCipherSuites(cipherSuites);
List<String> opensslSuites = new ArrayList<String>();
for (int i = 0; i < cipherSuites.length; i++) {
String cipherSuite = cipherSuites[i];
if (cipherSuite.equals(TLS_EMPTY_RENEGOTIATION_INFO_SCSV)) {
continue;
}
String openssl = STANDARD_TO_OPENSSL_CIPHER_SUITES.get(cipherSuite);
String cs = (openssl == null) ? cipherSuite : openssl;
opensslSuites.add(cs);
}
SSL_set_cipher_lists(ssl, opensslSuites.toArray(new String[opensslSuites.size()]));
}
public static String[] checkEnabledCipherSuites(String[] cipherSuites) {
if (cipherSuites == null) {
throw new IllegalArgumentException("cipherSuites == null");
}
// makes sure all suites are valid, throwing on error
for (int i = 0; i < cipherSuites.length; i++) {
String cipherSuite = cipherSuites[i];
if (cipherSuite == null) {
throw new IllegalArgumentException("cipherSuites[" + i + "] == null");
}
if (cipherSuite.equals(TLS_EMPTY_RENEGOTIATION_INFO_SCSV)) {
continue;
}
if (STANDARD_TO_OPENSSL_CIPHER_SUITES.containsKey(cipherSuite)) {
continue;
}
if (OPENSSL_TO_STANDARD_CIPHER_SUITES.containsKey(cipherSuite)) {
// TODO log warning about using backward compatability
continue;
}
throw new IllegalArgumentException("cipherSuite " + cipherSuite + " is not supported.");
}
return cipherSuites;
}
/*
* See the OpenSSL ssl.h header file for more information.
*/
public static final int SSL_VERIFY_NONE = 0x00;
public static final int SSL_VERIFY_PEER = 0x01;
public static final int SSL_VERIFY_FAIL_IF_NO_PEER_CERT = 0x02;
public static native void SSL_set_verify(int sslNativePointer, int mode);
public static native void SSL_set_session(int sslNativePointer, int sslSessionNativePointer)
throws SSLException;
public static native void SSL_set_session_creation_enabled(
int sslNativePointer, boolean creationEnabled) throws SSLException;
public static native void SSL_set_tlsext_host_name(int sslNativePointer, String hostname)
throws SSLException;
public static native String SSL_get_servername(int sslNativePointer);
/**
* Enables NPN for all SSL connections in the context.
*
* <p>For clients this causes the NPN extension to be included in the
* ClientHello message.
*
* <p>For servers this causes the NPN extension to be included in the
* ServerHello message. The NPN extension will not be included in the
* ServerHello response if the client didn't include it in the ClientHello
* request.
*
* <p>In either case the caller should pass a non-null byte array of NPN
* protocols to {@link #SSL_do_handshake}.
*/
public static native void SSL_CTX_enable_npn(int sslCtxNativePointer);
/**
* Disables NPN for all SSL connections in the context.
*/
public static native void SSL_CTX_disable_npn(int sslCtxNativePointer);
/**
* Returns the sslSessionNativePointer of the negotiated session
*/
public static native int SSL_do_handshake(int sslNativePointer,
FileDescriptor fd,
SSLHandshakeCallbacks shc,
int timeoutMillis,
boolean client_mode,
byte[] npnProtocols)
throws SSLException, SocketTimeoutException, CertificateException;
public static native byte[] SSL_get_npn_negotiated_protocol(int sslNativePointer);
/**
* Currently only intended for forcing renegotiation for testing.
* Not used within OpenSSLSocketImpl.
*/
public static native void SSL_renegotiate(int sslNativePointer) throws SSLException;
/**
* Returns the local ASN.1 DER encoded X509 certificates.
*/
public static native byte[][] SSL_get_certificate(int sslNativePointer);
/**
* Returns the peer ASN.1 DER encoded X509 certificates.
*/
public static native byte[][] SSL_get_peer_cert_chain(int sslNativePointer);
/**
* Reads with the native SSL_read function from the encrypted data stream
* @return -1 if error or the end of the stream is reached.
*/
public static native int SSL_read(int sslNativePointer,
FileDescriptor fd,
SSLHandshakeCallbacks shc,
byte[] b, int off, int len, int readTimeoutMillis)
throws IOException;
/**
* Writes with the native SSL_write function to the encrypted data stream.
*/
public static native void SSL_write(int sslNativePointer,
FileDescriptor fd,
SSLHandshakeCallbacks shc,
byte[] b, int off, int len, int writeTimeoutMillis)
throws IOException;
public static native void SSL_interrupt(int sslNativePointer);
public static native void SSL_shutdown(int sslNativePointer,
FileDescriptor fd,
SSLHandshakeCallbacks shc) throws IOException;
public static native void SSL_free(int sslNativePointer);
public static native byte[] SSL_SESSION_session_id(int sslSessionNativePointer);
public static native long SSL_SESSION_get_time(int sslSessionNativePointer);
public static native String SSL_SESSION_get_version(int sslSessionNativePointer);
public static native String SSL_SESSION_cipher(int sslSessionNativePointer);
public static native void SSL_SESSION_free(int sslSessionNativePointer);
public static native byte[] i2d_SSL_SESSION(int sslSessionNativePointer);
public static native int d2i_SSL_SESSION(byte[] data);
/**
* A collection of callbacks from the native OpenSSL code that are
* related to the SSL handshake initiated by SSL_do_handshake.
*/
public interface SSLHandshakeCallbacks {
/**
* Verify that we trust the certificate chain is trusted.
*
* @param asn1DerEncodedCertificateChain A chain of ASN.1 DER encoded certificates
* @param authMethod auth algorithm name
*
* @throws CertificateException if the certificate is untrusted
*/
public void verifyCertificateChain(byte[][] asn1DerEncodedCertificateChain, String authMethod)
throws CertificateException;
/**
* Called on an SSL client when the server requests (or
* requires a certificate). The client can respond by using
* SSL_use_certificate and SSL_use_PrivateKey to set a
* certificate if has an appropriate one available, similar to
* how the server provides its certificate.
*
* @param keyTypes key types supported by the server,
* convertible to strings with #keyType
* @param asn1DerEncodedX500Principals CAs known to the server
*/
public void clientCertificateRequested(byte[] keyTypes,
byte[][] asn1DerEncodedX500Principals)
throws CertificateEncodingException, SSLException;
/**
* Called when SSL handshake is completed. Note that this can
* be after SSL_do_handshake returns when handshake cutthrough
* is enabled.
*/
public void handshakeCompleted();
}
}