示例#1
0
 /**
  * Gets a security property value.
  *
  * <p>First, if there is a security manager, its <code>checkPermission</code> method is called
  * with a <code>java.security.SecurityPermission("getProperty."+key)</code> permission to see if
  * it's ok to retrieve the specified security property value..
  *
  * @param key the key of the property being retrieved.
  * @return the value of the security property corresponding to key.
  * @throws SecurityException if a security manager exists and its <code>{@link
  *          java.lang.SecurityManager#checkPermission}</code> method denies access to retrieve the
  *     specified security property value
  * @throws NullPointerException is key is null
  * @see #setProperty
  * @see java.security.SecurityPermission
  */
 public static String getProperty(String key) {
   SecurityManager sm = System.getSecurityManager();
   if (sm != null) {
     sm.checkPermission(new SecurityPermission("getProperty." + key));
   }
   String name = props.getProperty(key);
   if (name != null) name = name.trim(); // could be a class name with trailing ws
   return name;
 }
示例#2
0
 /*
  * Initialize to default values, if <java.home>/lib/java.security
  * is not found.
  */
 private static void initializeStatic() {
   props.put("security.provider.1", "sun.security.provider.Sun");
   props.put("security.provider.2", "sun.security.rsa.SunRsaSign");
   props.put("security.provider.3", "com.sun.net.ssl.internal.ssl.Provider");
   props.put("security.provider.4", "com.sun.crypto.provider.SunJCE");
   props.put("security.provider.5", "sun.security.jgss.SunProvider");
   props.put("security.provider.6", "com.sun.security.sasl.Provider");
 }
示例#3
0
 /**
  * Sets a security property value.
  *
  * <p>First, if there is a security manager, its <code>checkPermission</code> method is called
  * with a <code>java.security.SecurityPermission("setProperty."+key)</code> permission to see if
  * it's ok to set the specified security property value.
  *
  * @param key the name of the property to be set.
  * @param datum the value of the property to be set.
  * @throws SecurityException if a security manager exists and its <code>{@link
  *          java.lang.SecurityManager#checkPermission}</code> method denies access to set the
  *     specified security property value
  * @throws NullPointerException if key or datum is null
  * @see #getProperty
  * @see java.security.SecurityPermission
  */
 public static void setProperty(String key, String datum) {
   check("setProperty." + key);
   props.put(key, datum);
   invalidateSMCache(key); /* See below. */
 }
示例#4
0
  private static void initialize() {
    props = new Properties();
    boolean loadedProps = false;
    boolean overrideAll = false;

    // first load the system properties file
    // to determine the value of security.overridePropertiesFile
    File propFile = securityPropFile("java.security");
    if (propFile.exists()) {
      try {
        FileInputStream fis = new FileInputStream(propFile);
        InputStream is = new BufferedInputStream(fis);
        props.load(is);
        is.close();
        loadedProps = true;

        if (sdebug != null) {
          sdebug.println("reading security properties file: " + propFile);
        }
      } catch (IOException e) {
        if (sdebug != null) {
          sdebug.println("unable to load security properties from " + propFile);
          e.printStackTrace();
        }
      }
    }

    if ("true".equalsIgnoreCase(props.getProperty("security.overridePropertiesFile"))) {

      String extraPropFile = System.getProperty("java.security.properties");
      if (extraPropFile != null && extraPropFile.startsWith("=")) {
        overrideAll = true;
        extraPropFile = extraPropFile.substring(1);
      }

      if (overrideAll) {
        props = new Properties();
        if (sdebug != null) {
          sdebug.println("overriding other security properties files!");
        }
      }

      // now load the user-specified file so its values
      // will win if they conflict with the earlier values
      if (extraPropFile != null) {
        try {
          URL propURL;

          extraPropFile = PropertyExpander.expand(extraPropFile);
          propFile = new File(extraPropFile);
          if (propFile.exists()) {
            propURL = new URL("file:" + propFile.getCanonicalPath());
          } else {
            propURL = new URL(extraPropFile);
          }
          BufferedInputStream bis = new BufferedInputStream(propURL.openStream());
          props.load(bis);
          bis.close();
          loadedProps = true;

          if (sdebug != null) {
            sdebug.println("reading security properties file: " + propURL);
            if (overrideAll) {
              sdebug.println("overriding other security properties files!");
            }
          }
        } catch (Exception e) {
          if (sdebug != null) {
            sdebug.println("unable to load security properties from " + extraPropFile);
            e.printStackTrace();
          }
        }
      }
    }

    if (!loadedProps) {
      initializeStatic();
      if (sdebug != null) {
        sdebug.println("unable to load security properties " + "-- using defaults");
      }
    }
  }