JDK 17 java.security.sasl.jmod is the JMOD file for JDK 17 Security SASL (Simple Authentication and Security Layer) module.

JDK 17 Security SASL module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.security.sasl.jmod.

JDK 17 Security SASL module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.

JDK 17 Security SASL module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.security.sasl.

You can click and view the content of each source code file in the list below.

⏎ javax/security/sasl/SaslServer.java

/*
 * Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package javax.security.sasl;

/**
 * Performs SASL authentication as a server.
 * <p>
 * A server such an LDAP server gets an instance of this
 * class in order to perform authentication defined by a specific SASL
 * mechanism. Invoking methods on the {@code SaslServer} instance
 * generates challenges according to the SASL
 * mechanism implemented by the {@code SaslServer}.
 * As the authentication proceeds, the instance
 * encapsulates the state of a SASL server's authentication exchange.
 * <p>
 * Here's an example of how an LDAP server might use a {@code SaslServer}.
 * It first gets an instance of a {@code SaslServer} for the SASL mechanism
 * requested by the client:
 * <blockquote><pre>
 * SaslServer ss = Sasl.createSaslServer(mechanism,
 *     "ldap", myFQDN, props, callbackHandler);
 * </pre></blockquote>
 * It can then proceed to use the server for authentication.
 * For example, suppose the LDAP server received an LDAP BIND request
 * containing the name of the SASL mechanism and an (optional) initial
 * response. It then might use the server as follows:
 * <blockquote><pre>{@code
 * while (!ss.isComplete()) {
 *     try {
 *         byte[] challenge = ss.evaluateResponse(response);
 *         if (ss.isComplete()) {
 *             status = ldap.sendBindResponse(mechanism, challenge, SUCCESS);
 *         } else {
 *             status = ldap.sendBindResponse(mechanism, challenge,
 *                 SASL_BIND_IN_PROGRESS);
 *             response = ldap.readBindRequest();
 *         }
 *     } catch (SaslException e) {
 *         status = ldap.sendErrorResponse(e);
 *         break;
 *     }
 * }
 * if (ss.isComplete() && status == SUCCESS) {
 *     String qop = (String) sc.getNegotiatedProperty(Sasl.QOP);
 *     if (qop != null
 *         && (qop.equalsIgnoreCase("auth-int")
 *             || qop.equalsIgnoreCase("auth-conf"))) {
 *
 *         // Use SaslServer.wrap() and SaslServer.unwrap() for future
 *         // communication with client
 *         ldap.in = new SecureInputStream(ss, ldap.in);
 *         ldap.out = new SecureOutputStream(ss, ldap.out);
 *     }
 * }
 * }</pre></blockquote>
 *
 * @since 1.5
 *
 * @see Sasl
 * @see SaslServerFactory
 *
 * @author Rosanna Lee
 * @author Rob Weltman
 */
public abstract interface SaslServer {

    /**
     * Returns the IANA-registered mechanism name of this SASL server.
     * (e.g. "CRAM-MD5", "GSSAPI").
     * @return A non-null string representing the IANA-registered mechanism name.
     */
    public abstract String getMechanismName();

    /**
     * Evaluates the response data and generates a challenge.
     *
     * If a response is received from the client during the authentication
     * process, this method is called to prepare an appropriate next
     * challenge to submit to the client. The challenge is null if the
     * authentication has succeeded and no more challenge data is to be sent
     * to the client. It is non-null if the authentication must be continued
     * by sending a challenge to the client, or if the authentication has
     * succeeded but challenge data needs to be processed by the client.
     * {@code isComplete()} should be called
     * after each call to {@code evaluateResponse()},to determine if any further
     * response is needed from the client.
     *
     * @param response The non-null (but possibly empty) response sent
     * by the client.
     *
     * @return The possibly null challenge to send to the client.
     * It is null if the authentication has succeeded and there is
     * no more challenge data to be sent to the client.
     * @exception SaslException If an error occurred while processing
     * the response or generating a challenge.
     */
    public abstract byte[] evaluateResponse(byte[] response)
        throws SaslException;

    /**
     * Determines whether the authentication exchange has completed.
     * This method is typically called after each invocation of
     * {@code evaluateResponse()} to determine whether the
     * authentication has completed successfully or should be continued.
     * @return true if the authentication exchange has completed; false otherwise.
     */
    public abstract boolean isComplete();

    /**
     * Reports the authorization ID in effect for the client of this
     * session.
     * This method can only be called if isComplete() returns true.
     * @return The authorization ID of the client.
     * @exception IllegalStateException if this authentication session has not completed
     */
    public String getAuthorizationID();

    /**
     * Unwraps a byte array received from the client.
     * This method can be called only after the authentication exchange has
     * completed (i.e., when {@code isComplete()} returns true) and only if
     * the authentication exchange has negotiated integrity and/or privacy
     * as the quality of protection; otherwise,
     * an {@code IllegalStateException} is thrown.
     * <p>
     * {@code incoming} is the contents of the SASL buffer as defined in RFC 2222
     * without the leading four octet field that represents the length.
     * {@code offset} and {@code len} specify the portion of {@code incoming}
     * to use.
     *
     * @param incoming A non-null byte array containing the encoded bytes
     *                from the client.
     * @param offset The starting position at {@code incoming} of the bytes to use.
     * @param len The number of bytes from {@code incoming} to use.
     * @return A non-null byte array containing the decoded bytes.
     * @exception SaslException if {@code incoming} cannot be successfully
     * unwrapped.
     * @exception IllegalStateException if the authentication exchange has
     * not completed, or if the negotiated quality of protection
     * has neither integrity nor privacy
     */
    public abstract byte[] unwrap(byte[] incoming, int offset, int len)
        throws SaslException;

    /**
     * Wraps a byte array to be sent to the client.
     * This method can be called only after the authentication exchange has
     * completed (i.e., when {@code isComplete()} returns true) and only if
     * the authentication exchange has negotiated integrity and/or privacy
     * as the quality of protection; otherwise, a {@code SaslException} is thrown.
     * <p>
     * The result of this method
     * will make up the contents of the SASL buffer as defined in RFC 2222
     * without the leading four octet field that represents the length.
     * {@code offset} and {@code len} specify the portion of {@code outgoing}
     * to use.
     *
     * @param outgoing A non-null byte array containing the bytes to encode.
     * @param offset The starting position at {@code outgoing} of the bytes to use.
     * @param len The number of bytes from {@code outgoing} to use.
     * @return A non-null byte array containing the encoded bytes.
     * @exception SaslException if {@code outgoing} cannot be successfully
     * wrapped.
     * @exception IllegalStateException if the authentication exchange has
     * not completed, or if the negotiated quality of protection has
     * neither integrity nor privacy.
     */
    public abstract byte[] wrap(byte[] outgoing, int offset, int len)
        throws SaslException;

    /**
     * Retrieves the negotiated property.
     * This method can be called only after the authentication exchange has
     * completed (i.e., when {@code isComplete()} returns true); otherwise, an
     * {@code IllegalStateException} is thrown.
     * <p>
     * The {@link Sasl} class includes several well-known property names
     * (For example, {@link Sasl#QOP}). A SASL provider can support other
     * properties which are specific to the vendor and/or a mechanism.
     *
     * @param propName the property
     * @return The value of the negotiated property. If null, the property was
     * not negotiated or is not applicable to this mechanism.
     * @exception IllegalStateException if this authentication exchange has not completed
     */

    public abstract Object getNegotiatedProperty(String propName);

     /**
      * Disposes of any system resources or security-sensitive information
      * the SaslServer might be using. Invoking this method invalidates
      * the SaslServer instance. This method is idempotent.
      * @throws SaslException If a problem was encountered while disposing
      * the resources.
      */
    public abstract void dispose() throws SaslException;
}

⏎ javax/security/sasl/SaslServer.java

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File name: java.security.sasl-17.0.5-src.zip
File size: 78831 bytes
Release date: 2022-09-13
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