13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.security;
27
28 import java.util.*;
29 import java.util.concurrent.ConcurrentHashMap;
30 import java.io.*;
31 import java.net.URL;
32
33 import jdk.internal.misc.SharedSecrets;
34 import jdk.internal.util.StaticProperty;
35 import sun.security.util.Debug;
36 import sun.security.util.PropertyExpander;
37
38 import sun.security.jca.*;
39
40 /**
41 * <p>This class centralizes all security properties and common security
42 * methods. One of its primary uses is to manage providers.
43 *
44 * <p>The default values of security properties are read from an
45 * implementation-specific location, which is typically the properties file
46 * {@code conf/security/java.security} in the Java installation directory.
47 *
48 * @author Benjamin Renaud
49 * @since 1.1
50 */
51
52 public final class Security {
778 * permission to see if it's ok to set the specified
779 * security property value.
780 *
781 * @param key the name of the property to be set.
782 *
783 * @param datum the value of the property to be set.
784 *
785 * @throws SecurityException
786 * if a security manager exists and its {@link
787 * java.lang.SecurityManager#checkPermission} method
788 * denies access to set the specified security property value
789 * @throws NullPointerException if key or datum is null
790 *
791 * @see #getProperty
792 * @see java.security.SecurityPermission
793 */
794 public static void setProperty(String key, String datum) {
795 check("setProperty."+key);
796 props.put(key, datum);
797 invalidateSMCache(key); /* See below. */
798 }
799
800 /*
801 * Implementation detail: If the property we just set in
802 * setProperty() was either "package.access" or
803 * "package.definition", we need to signal to the SecurityManager
804 * class that the value has just changed, and that it should
805 * invalidate it's local cache values.
806 */
807 private static void invalidateSMCache(String key) {
808
809 final boolean pa = key.equals("package.access");
810 final boolean pd = key.equals("package.definition");
811
812 if (pa || pd) {
813 SharedSecrets.getJavaLangAccess().invalidatePackageAccessCache();
814 }
815 }
816
817 private static void check(String directive) {
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.security;
27
28 import java.util.*;
29 import java.util.concurrent.ConcurrentHashMap;
30 import java.io.*;
31 import java.net.URL;
32
33 import jdk.internal.event.EventHelper;
34 import jdk.internal.event.SecurityPropertyEvent;
35 import jdk.internal.misc.SharedSecrets;
36 import jdk.internal.util.StaticProperty;
37 import sun.security.util.Debug;
38 import sun.security.util.PropertyExpander;
39
40 import sun.security.jca.*;
41
42 /**
43 * <p>This class centralizes all security properties and common security
44 * methods. One of its primary uses is to manage providers.
45 *
46 * <p>The default values of security properties are read from an
47 * implementation-specific location, which is typically the properties file
48 * {@code conf/security/java.security} in the Java installation directory.
49 *
50 * @author Benjamin Renaud
51 * @since 1.1
52 */
53
54 public final class Security {
780 * permission to see if it's ok to set the specified
781 * security property value.
782 *
783 * @param key the name of the property to be set.
784 *
785 * @param datum the value of the property to be set.
786 *
787 * @throws SecurityException
788 * if a security manager exists and its {@link
789 * java.lang.SecurityManager#checkPermission} method
790 * denies access to set the specified security property value
791 * @throws NullPointerException if key or datum is null
792 *
793 * @see #getProperty
794 * @see java.security.SecurityPermission
795 */
796 public static void setProperty(String key, String datum) {
797 check("setProperty."+key);
798 props.put(key, datum);
799 invalidateSMCache(key); /* See below. */
800
801 SecurityPropertyEvent spe = new SecurityPropertyEvent();
802 if (spe.isEnabled() || EventHelper.isLoggingSecurity()) {
803 EventHelper.commitSecurityPropertyEvent(spe, key, datum);
804 }
805 }
806
807 /*
808 * Implementation detail: If the property we just set in
809 * setProperty() was either "package.access" or
810 * "package.definition", we need to signal to the SecurityManager
811 * class that the value has just changed, and that it should
812 * invalidate it's local cache values.
813 */
814 private static void invalidateSMCache(String key) {
815
816 final boolean pa = key.equals("package.access");
817 final boolean pd = key.equals("package.definition");
818
819 if (pa || pd) {
820 SharedSecrets.getJavaLangAccess().invalidatePackageAccessCache();
821 }
822 }
823
824 private static void check(String directive) {
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