JDK 11 java.security.sasl.jmod - Security SASL Module

JDK 11 java.security.sasl.jmod is the JMOD file for JDK 11 Security SASL (Simple Authentication and Security Layer) module.

JDK 11 Security SASL module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.security.sasl.jmod.

JDK 11 Security SASL module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Security SASL module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.security.sasl.

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

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com/sun/security/sasl/util/PolicyUtils.java

/*
 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.security.sasl.util;

import javax.security.sasl.Sasl;
import java.util.Map;

/**
 * Static class that contains utilities for dealing with Java SASL
 * security policy-related properties.
 *
 * @author Rosanna Lee
 */
final public class PolicyUtils {
    // Can't create one of these
    private PolicyUtils() {
    }

    public final static int NOPLAINTEXT = 0x0001;
    public final static int NOACTIVE = 0x0002;
    public final static int NODICTIONARY = 0x0004;
    public final static int FORWARD_SECRECY = 0x0008;
    public final static int NOANONYMOUS = 0x0010;
    public final static int PASS_CREDENTIALS = 0x0200;

    /**
     * Determines whether a mechanism's characteristics, as defined in flags,
     * fits the security policy properties found in props.
     * @param flags The mechanism's security characteristics
     * @param props The security policy properties to check
     * @return true if passes; false if fails
     */
    public static boolean checkPolicy(int flags, Map<String, ?> props) {
        if (props == null) {
            return true;
        }

        if ("true".equalsIgnoreCase((String)props.get(Sasl.POLICY_NOPLAINTEXT))
            && (flags&NOPLAINTEXT) == 0) {
            return false;
        }
        if ("true".equalsIgnoreCase((String)props.get(Sasl.POLICY_NOACTIVE))
            && (flags&NOACTIVE) == 0) {
            return false;
        }
        if ("true".equalsIgnoreCase((String)props.get(Sasl.POLICY_NODICTIONARY))
            && (flags&NODICTIONARY) == 0) {
            return false;
        }
        if ("true".equalsIgnoreCase((String)props.get(Sasl.POLICY_NOANONYMOUS))
            && (flags&NOANONYMOUS) == 0) {
            return false;
        }
        if ("true".equalsIgnoreCase((String)props.get(Sasl.POLICY_FORWARD_SECRECY))
            && (flags&FORWARD_SECRECY) == 0) {
            return false;
        }
        if ("true".equalsIgnoreCase((String)props.get(Sasl.POLICY_PASS_CREDENTIALS))
            && (flags&PASS_CREDENTIALS) == 0) {
            return false;
        }

        return true;
    }

    /**
     * Given a list of mechanisms and their characteristics, select the
     * subset that conforms to the policies defined in props.
     * Useful for SaslXXXFactory.getMechanismNames(props) implementations.
     *
     */
    public static String[] filterMechs(String[] mechs, int[] policies,
        Map<String, ?> props) {
        if (props == null) {
            return mechs.clone();
        }

        boolean[] passed = new boolean[mechs.length];
        int count = 0;
        for (int i = 0; i< mechs.length; i++) {
            if (passed[i] = checkPolicy(policies[i], props)) {
                ++count;
            }
        }
        String[] answer = new String[count];
        for (int i = 0, j=0; i< mechs.length; i++) {
            if (passed[i]) {
                answer[j++] = mechs[i];
            }
        }

        return answer;
    }
}

com/sun/security/sasl/util/PolicyUtils.java

 

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