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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.tomcat.jni;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/** SSL Context
*
* @author Mladen Turk
*/
public final class SSLContext {
public static final byte[] DEFAULT_SESSION_ID_CONTEXT =
new byte[] { 'd', 'e', 'f', 'a', 'u', 'l', 't' };
/**
* Create a new SSL context.
*
* @param pool The pool to use.
* @param protocol The SSL protocol to use. It can be any combination of
* the following:
*
*
* @return The Java representation of a pointer to the newly created SSL
* Context
*
* @throws Exception If the SSL Context could not be created
*/
public static native long make(long pool, int protocol, int mode) throws Exception;
/**
* Free the resources used by the Context
* @param ctx Server or Client context to free.
* @return APR Status code.
*/
public static native int free(long ctx);
/**
* Set Session context id. Usually host:port combination.
* @param ctx Context to use.
* @param id String that uniquely identifies this context.
*/
public static native void setContextId(long ctx, String id);
/**
* Associate BIOCallback for input or output data capture.
*
* First word in the output string will contain error
* level in the form:
*
* Callback can use that word to determine application logging level
* by intercepting write call.
* If the bio is set to 0 no error messages will be displayed.
* Default is to use the stderr output stream.
* @param ctx Server or Client context to use.
* @param bio BIO handle to use, created with SSL.newBIO
* @param dir BIO direction (1 for input 0 for output).
*/
public static native void setBIO(long ctx, long bio, int dir);
/**
* Set OpenSSL Option.
* @param ctx Server or Client context to use.
* @param options See SSL.SSL_OP_* for option flags.
*/
public static native void setOptions(long ctx, int options);
/**
* Get OpenSSL Option.
* @param ctx Server or Client context to use.
* @return options See SSL.SSL_OP_* for option flags.
*/
public static native int getOptions(long ctx);
/**
* Clears OpenSSL Options.
* @param ctx Server or Client context to use.
* @param options See SSL.SSL_OP_* for option flags.
*/
public static native void clearOptions(long ctx, int options);
/**
* Returns all cipher suites that are enabled for negotiation in an SSL handshake.
* @param ctx Server or Client context to use.
* @return ciphers
*/
public static native String[] getCiphers(long ctx);
/**
* Sets the "quiet shutdown" flag for ctx to be
* mode. SSL objects created from ctx inherit the
* mode valid at the time and may be 0 or 1.
*
* Normally when an SSL connection is finished, the parties must send out
* "close notify" alert messages using L<SSL_shutdown(3)|SSL_shutdown(3)>
* for a clean shutdown.
*
* When setting the "quiet shutdown" flag to 1, SSL.shutdown
* will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.
* (SSL_shutdown then behaves like called with
* SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.)
* The session is thus considered to be shutdown, but no "close notify" alert
* is sent to the peer. This behaviour violates the TLS standard.
* The default is normal shutdown behaviour as described by the TLS standard.
* @param ctx Server or Client context to use.
* @param mode True to set the quiet shutdown.
*/
public static native void setQuietShutdown(long ctx, boolean mode);
/**
* Cipher Suite available for negotiation in SSL handshake.
*
* This complex directive uses a colon-separated cipher-spec string consisting
* of OpenSSL cipher specifications to configure the Cipher Suite the client
* is permitted to negotiate in the SSL handshake phase. Notice that this
* directive can be used both in per-server and per-directory context.
* In per-server context it applies to the standard SSL handshake when a
* connection is established. In per-directory context it forces an SSL
* renegotiation with the reconfigured Cipher Suite after the HTTP request
* was read but before the HTTP response is sent.
* @param ctx Server or Client context to use.
* @param ciphers An OpenSSL cipher specification.
* @return true if the operation was successful
* @throws Exception An error occurred
*/
public static native boolean setCipherSuite(long ctx, String ciphers)
throws Exception;
/**
* Set File of concatenated PEM-encoded CA CRLs or
* directory of PEM-encoded CA Certificates for Client Auth
*
* This directive sets the all-in-one file where you can assemble the
* Certificate Revocation Lists (CRL) of Certification Authorities (CA)
* whose clients you deal with. These are used for Client Authentication.
* Such a file is simply the concatenation of the various PEM-encoded CRL
* files, in order of preference.
*
* The files in this directory have to be PEM-encoded and are accessed through
* hash filenames. So usually you can't just place the Certificate files there:
* you also have to create symbolic links named hash-value.N. And you should
* always make sure this directory contains the appropriate symbolic links.
* Use the Makefile which comes with mod_ssl to accomplish this task.
* @param ctx Server or Client context to use.
* @param file File of concatenated PEM-encoded CA CRLs for Client Auth.
* @param path Directory of PEM-encoded CA Certificates for Client Auth.
* @return true if the operation was successful
* @throws Exception An error occurred
*/
public static native boolean setCARevocation(long ctx, String file,
String path)
throws Exception;
/**
* Set File of PEM-encoded Server CA Certificates
*
* This directive sets the optional all-in-one file where you can assemble the
* certificates of Certification Authorities (CA) which form the certificate
* chain of the server certificate. This starts with the issuing CA certificate
* of of the server certificate and can range up to the root CA certificate.
* Such a file is simply the concatenation of the various PEM-encoded CA
* Certificate files, usually in certificate chain order.
*
* But be careful: Providing the certificate chain works only if you are using
* a single (either RSA or DSA) based server certificate. If you are using a
* coupled RSA+DSA certificate pair, this will work only if actually both
* certificates use the same certificate chain. Else the browsers will be
* confused in this situation.
* @param ctx Server or Client context to use.
* @param file File of PEM-encoded Server CA Certificates.
* @param skipfirst Skip first certificate if chain file is inside
* certificate file.
* @return true if the operation was successful
*/
public static native boolean setCertificateChainFile(long ctx, String file,
boolean skipfirst);
/**
* Set Certificate
*
* Point setCertificateFile at a PEM encoded certificate. If
* the certificate is encrypted, then you will be prompted for a
* pass phrase. Note that a kill -HUP will prompt again. A test
* certificate can be generated with `make certificate' under
* built time. Keep in mind that if you've both a RSA and a DSA
* certificate you can configure both in parallel (to also allow
* the use of DSA ciphers, etc.)
*
* If the key is not combined with the certificate, use key param
* to point at the key file. Keep in mind that if
* you've both a RSA and a DSA private key you can configure
* both in parallel (to also allow the use of DSA ciphers, etc.)
* @param ctx Server or Client context to use.
* @param cert Certificate file.
* @param key Private Key file to use if not in cert.
* @param password Certificate password. If null and certificate
* is encrypted, password prompt will be displayed.
* @param idx Certificate index SSL_AIDX_RSA or SSL_AIDX_DSA.
* @return true if the operation was successful
* @throws Exception An error occurred
*/
public static native boolean setCertificate(long ctx, String cert,
String key, String password,
int idx)
throws Exception;
/**
* Set the size of the internal session cache.
* http://www.openssl.org/docs/ssl/SSL_CTX_sess_set_cache_size.html
* @param ctx Server or Client context to use.
* @param size The cache size
* @return the value set
*/
public static native long setSessionCacheSize(long ctx, long size);
/**
* Get the size of the internal session cache.
* http://www.openssl.org/docs/ssl/SSL_CTX_sess_get_cache_size.html
* @param ctx Server or Client context to use.
* @return the size
*/
public static native long getSessionCacheSize(long ctx);
/**
* Set the timeout for the internal session cache in seconds.
* http://www.openssl.org/docs/ssl/SSL_CTX_set_timeout.html
* @param ctx Server or Client context to use.
* @param timeoutSeconds Timeout value
* @return the value set
*/
public static native long setSessionCacheTimeout(long ctx, long timeoutSeconds);
/**
* Get the timeout for the internal session cache in seconds.
* http://www.openssl.org/docs/ssl/SSL_CTX_set_timeout.html
* @param ctx Server or Client context to use.
* @return the timeout
*/
public static native long getSessionCacheTimeout(long ctx);
/**
* Set the mode of the internal session cache and return the previous used mode.
* @param ctx Server or Client context to use.
* @param mode The mode to set
* @return the value set
*/
public static native long setSessionCacheMode(long ctx, long mode);
/**
* Get the mode of the current used internal session cache.
* @param ctx Server or Client context to use.
* @return the value set
*/
public static native long getSessionCacheMode(long ctx);
/*
* Session resumption statistics methods.
* http://www.openssl.org/docs/ssl/SSL_CTX_sess_number.html
*/
public static native long sessionAccept(long ctx);
public static native long sessionAcceptGood(long ctx);
public static native long sessionAcceptRenegotiate(long ctx);
public static native long sessionCacheFull(long ctx);
public static native long sessionCbHits(long ctx);
public static native long sessionConnect(long ctx);
public static native long sessionConnectGood(long ctx);
public static native long sessionConnectRenegotiate(long ctx);
public static native long sessionHits(long ctx);
public static native long sessionMisses(long ctx);
public static native long sessionNumber(long ctx);
public static native long sessionTimeouts(long ctx);
/**
* Set TLS session keys. This allows us to share keys across TFEs.
* @param ctx Server or Client context to use.
* @param keys Some session keys
*/
public static native void setSessionTicketKeys(long ctx, byte[] keys);
/**
* Set File and Directory of concatenated PEM-encoded CA Certificates
* for Client Auth
*
* This directive sets the all-in-one file where you can assemble the
* Certificates of Certification Authorities (CA) whose clients you deal with.
* These are used for Client Authentication. Such a file is simply the
* concatenation of the various PEM-encoded Certificate files, in order of
* preference. This can be used alternatively and/or additionally to
* path.
*
* The files in this directory have to be PEM-encoded and are accessed through
* hash filenames. So usually you can't just place the Certificate files there:
* you also have to create symbolic links named hash-value.N. And you should
* always make sure this directory contains the appropriate symbolic links.
* Use the Makefile which comes with mod_ssl to accomplish this task.
* @param ctx Server or Client context to use.
* @param file File of concatenated PEM-encoded CA Certificates for
* Client Auth.
* @param path Directory of PEM-encoded CA Certificates for Client Auth.
* @return true if the operation was successful
* @throws Exception An error occurred
*/
public static native boolean setCACertificate(long ctx, String file,
String path)
throws Exception;
/**
* Set file for randomness
* @param ctx Server or Client context to use.
* @param file random file.
*/
public static native void setRandom(long ctx, String file);
/**
* Set SSL connection shutdown type
*
* The following levels are available for level:
*
* @param ctx Server or Client context to use.
* @param type Shutdown type to use.
*/
public static native void setShutdownType(long ctx, int type);
/**
* Set Type of Client Certificate verification and Maximum depth of CA Certificates
* in Client Certificate verification.
*
* This directive sets the Certificate verification level for the Client
* Authentication. Notice that this directive can be used both in per-server
* and per-directory context. In per-server context it applies to the client
* authentication process used in the standard SSL handshake when a connection
* is established. In per-directory context it forces an SSL renegotiation with
* the reconfigured client verification level after the HTTP request was read
* but before the HTTP response is sent.
*
* The following levels are available for level:
*
* SSL_CVERIFY_NONE - No client Certificate is required at all
* SSL_CVERIFY_OPTIONAL - The client may present a valid Certificate
* SSL_CVERIFY_REQUIRE - The client has to present a valid Certificate
* SSL_CVERIFY_OPTIONAL_NO_CA - The client may present a valid Certificate
* but it need not to be (successfully) verifiable
*
*
* The depth actually is the maximum number of intermediate certificate issuers,
* i.e. the number of CA certificates which are max allowed to be followed while
* verifying the client certificate. A depth of 0 means that self-signed client
* certificates are accepted only, the default depth of 1 means the client
* certificate can be self-signed or has to be signed by a CA which is directly
* known to the server (i.e. the CA's certificate is under
* setCACertificatePath), etc.
* @param ctx Server or Client context to use.
* @param level Type of Client Certificate verification.
* @param depth Maximum depth of CA Certificates in Client Certificate
* verification.
*/
public static native void setVerify(long ctx, int level, int depth);
public static native int setALPN(long ctx, byte[] proto, int len);
/**
* When tc-native encounters a SNI extension in the TLS handshake it will
* call this method to determine which OpenSSL SSLContext to use for the
* connection.
*
* @param currentCtx The OpenSSL SSLContext that the handshake started to
* use. This will be the default OpenSSL SSLContext for
* the endpoint associated with the socket.
* @param sniHostName The host name requested by the client
*
* @return The Java representation of the pointer to the OpenSSL SSLContext
* to use for the given host or zero if no SSLContext could be
* identified
*/
public static long sniCallBack(long currentCtx, String sniHostName) {
SNICallBack sniCallBack = sniCallBacks.get(Long.valueOf(currentCtx));
if (sniCallBack == null) {
return 0;
}
// Can't be sure OpenSSL is going to provide the SNI value in lower case
// so convert it before looking up the SSLContext
String hostName = (sniHostName == null) ? null : sniHostName.toLowerCase(Locale.ENGLISH);
return sniCallBack.getSslContext(hostName);
}
/**
* A map of default SSL Contexts to SNICallBack instances (in Tomcat these
* are instances of AprEndpoint) that will be used to determine the SSL
* Context to use bases on the SNI host name. It is structured this way
* since a Tomcat instance may have several TLS enabled endpoints that each
* have different SSL Context mappings for the same host name.
*/
private static final Map sniCallBacks = new ConcurrentHashMap<>();
/**
* Register an OpenSSL SSLContext that will be used to initiate TLS
* connections that may use the SNI extension with the component that will
* be used to map the requested hostname to the correct OpenSSL SSLContext
* for the remainder of the connection.
*
* @param defaultSSLContext The Java representation of a pointer to the
* OpenSSL SSLContext that will be used to
* initiate TLS connections
* @param sniCallBack The component that will map SNI hosts names received
* via connections initiated using
* defaultSSLContext to the correct OpenSSL
* SSLContext
*/
public static void registerDefault(Long defaultSSLContext,
SNICallBack sniCallBack) {
sniCallBacks.put(defaultSSLContext, sniCallBack);
}
/**
* Unregister an OpenSSL SSLContext that will no longer be used to initiate
* TLS connections that may use the SNI extension.
*
* @param defaultSSLContext The Java representation of a pointer to the
* OpenSSL SSLContext that will no longer be used
*/
public static void unregisterDefault(Long defaultSSLContext) {
sniCallBacks.remove(defaultSSLContext);
}
/**
* Interface implemented by components that will receive the call back to
* select an OpenSSL SSLContext based on the host name requested by the
* client.
*/
public static interface SNICallBack {
/**
* This callback is made during the TLS handshake when the client uses
* the SNI extension to request a specific TLS host.
*
* @param sniHostName The host name requested by the client - must be in
* lower case
*
* @return The Java representation of the pointer to the OpenSSL
* SSLContext to use for the given host or zero if no SSLContext
* could be identified
*/
public long getSslContext(String sniHostName);
}
/**
* Allow to hook {@link CertificateVerifier} into the handshake processing.
* This will call {@code SSL_CTX_set_cert_verify_callback} and so replace the default verification
* callback used by openssl
* @param ctx Server or Client context to use.
* @param verifier the verifier to call during handshake.
*/
public static native void setCertVerifyCallback(long ctx, CertificateVerifier verifier);
/**
* Set next protocol for next protocol negotiation extension
* @param ctx Server context to use.
* @param nextProtos comma delimited list of protocols in priority order
*
* @deprecated use {@link #setNpnProtos(long, String[], int)}
*/
@Deprecated
public static void setNextProtos(long ctx, String nextProtos) {
setNpnProtos(ctx, nextProtos.split(","), SSL.SSL_SELECTOR_FAILURE_CHOOSE_MY_LAST_PROTOCOL);
}
/**
* Set next protocol for next protocol negotiation extension
* @param ctx Server context to use.
* @param nextProtos protocols in priority order
* @param selectorFailureBehavior see {@link SSL#SSL_SELECTOR_FAILURE_NO_ADVERTISE}
* and {@link SSL#SSL_SELECTOR_FAILURE_CHOOSE_MY_LAST_PROTOCOL}
*/
public static native void setNpnProtos(long ctx, String[] nextProtos, int selectorFailureBehavior);
/**
* Set application layer protocol for application layer protocol negotiation extension
* @param ctx Server context to use.
* @param alpnProtos protocols in priority order
* @param selectorFailureBehavior see {@link SSL#SSL_SELECTOR_FAILURE_NO_ADVERTISE}
* and {@link SSL#SSL_SELECTOR_FAILURE_CHOOSE_MY_LAST_PROTOCOL}
*/
public static native void setAlpnProtos(long ctx, String[] alpnProtos, int selectorFailureBehavior);
/**
* Set DH parameters
* @param ctx Server context to use.
* @param cert DH param file (can be generated from e.g. {@code openssl dhparam -rand - 2048 > dhparam.pem} -
* see the OpenSSL documentation).
* @throws Exception An error occurred
*/
public static native void setTmpDH(long ctx, String cert)
throws Exception;
/**
* Set ECDH elliptic curve by name
* @param ctx Server context to use.
* @param curveName the name of the elliptic curve to use
* (available names can be obtained from {@code openssl ecparam -list_curves}).
* @throws Exception An error occurred
*/
public static native void setTmpECDHByCurveName(long ctx, String curveName)
throws Exception;
/**
* Set the context within which session be reused (server side only)
* http://www.openssl.org/docs/ssl/SSL_CTX_set_session_id_context.html
*
* @param ctx Server context to use.
* @param sidCtx can be any kind of binary data, it is therefore possible to use e.g. the name
* of the application and/or the hostname and/or service name
* @return {@code true} if success, {@code false} otherwise.
*/
public static native boolean setSessionIdContext(long ctx, byte[] sidCtx);
/**
* Set CertificateRaw
*
* Use keystore a certificate and key to fill the BIOP
* @param ctx Server or Client context to use.
* @param cert Byte array with the certificate in DER encoding.
* @param key Byte array with the Private Key file in PEM format.
* @param sslAidxRsa Certificate index SSL_AIDX_RSA or SSL_AIDX_DSA.
* @return {@code true} if success, {@code false} otherwise.
*/
public static native boolean setCertificateRaw(long ctx, byte[] cert, byte[] key, int sslAidxRsa);
/**
* Add a certificate to the certificate chain. Certs should be added in
* order starting with the issuer of the host certs and working up the
* certificate chain to the CA.
*
*
* Use keystore a certificate chain to fill the BIOP
* @param ctx Server or Client context to use.
* @param cert Byte array with the certificate in DER encoding.
* @return {@code true} if success, {@code false} otherwise.
*/
public static native boolean addChainCertificateRaw(long ctx, byte[] cert);
/**
* Add a CA certificate we accept as issuer for peer certs
* @param ctx Server or Client context to use.
* @param cert Byte array with the certificate in DER encoding.
* @return {@code true} if success, {@code false} otherwise.
*/
public static native boolean addClientCACertificateRaw(long ctx, byte[] cert);
}
