Admin: 1 версия

2010-06-01T05:01:38Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

Новая страница

== allows anyone to listen on un-privileged ports ==



<source lang="java">
grant{
permission java.net.SocketPermission "localhost:1024-", "listen";
};</source>



== Configurable Access Control ==



<source lang="java">
import java.io.FileInputStream;
public class MainClass {
public static void main(String[] args) throws Exception {
String operatingSystem = (String) System.getProperty("os.name");
String javaVersion = (String) System.getProperty("java.version");
String javaDirectory = (String) System.getProperty("java.home");
String userHomeDir = (String) System.getProperty("user.home");
String myFile = (String) System.getProperty("myFile");
FileInputStream fin = new FileInputStream(myFile);
}
}</source>



== Grant entry example ==



<source lang="java">
grant{ permission java.io.FilePermission "
D:\\jdk1.4\\jre\\lib\\security\\java.policy" "read";
}</source>



== Grant runtime permission stop thread ==



<source lang="java">
grant {
permission java.lang.RuntimePermission "stopThread";

};</source>



== jdk policy file entries ==



<source lang="java">
// Standard extensions get all permissions by default

grant codeBase "file:${java.home}/lib/ext/*" {
permission java.security.AllPermission;
};</source>



== "standard" properies that can be read by anyone ==



<source lang="java">
grant{
permission java.util.PropertyPermission "java.version", "read";
permission java.util.PropertyPermission "java.vendor", "read";
permission java.util.PropertyPermission "java.vendor.url", "read";
permission java.util.PropertyPermission "java.class.version", "read";
permission java.util.PropertyPermission "os.name", "read";
permission java.util.PropertyPermission "os.version", "read";
permission java.util.PropertyPermission "os.arch", "read";
permission java.util.PropertyPermission "file.separator", "read";
permission java.util.PropertyPermission "path.separator", "read";
permission java.util.PropertyPermission "line.separator", "read";

permission java.util.PropertyPermission "java.specification.version", "read";
permission java.util.PropertyPermission "java.specification.vendor", "read";
permission java.util.PropertyPermission "java.specification.name", "read";

permission java.util.PropertyPermission "java.vm.specification.version", "read";
permission java.util.PropertyPermission "java.vm.specification.vendor", "read";
permission java.util.PropertyPermission "java.vm.specification.name", "read";
permission java.util.PropertyPermission "java.vm.version", "read";
permission java.util.PropertyPermission "java.vm.vendor", "read";
permission java.util.PropertyPermission "java.vm.name", "read";
};</source>



== Use grant command to set read permission ==



<source lang="java">
grant{
permission java.util.PropertyPermission "java.home" , "read";
permission java.util.PropertyPermission "user.home" , "read";
permission java.util.PropertyPermission "myFile", "read";
permission java.io.FilePermission "${myFile}", "read";
};</source>



== Use grant to set file permission ==



<source lang="java">
grant
{
permission java.io.FilePermission "C:\\temp\\sampleFile.txt", "read";
permission java.io.FilePermission "C:\\temp", "read";
permission java.io.FilePermission "C:\\temp\\*", "read";
permission java.io.FilePermission "<<ALL_FILES>>", "read";
permission java.io.FilePermission "C:\\temp\\test.exe ",
"read, write, delete, execute";
};</source>



== Use grant to set file permission based on user.home and file.separator ==



<source lang="java">
grant
{
permission java.io.FilePermission "${user.home}${file.separator}* ",
"read";
}</source>



== Use grant to set Property permission ==



<source lang="java">
grant CodeBase http://www.y.ru/-"
{
permission java.util.PropertyPermission "java.*", "read, write";
};</source>



== Use grant to set Socket permission ==



<source lang="java">
grant CodeBase http://www.y.ru/-"
{
permission java.net.SocketPermission "www.y.ru", "accept";
};</source>



== Use grant to set the Runtime permission ==



<source lang="java">
grant CodeBase http://www.y.ru/-"
{
permission java.lang.RuntimePermission "setSecurityManager";
};</source>

← Предыдущая	Версия 05:01, 1 июня 2010
(нет различий)

Java Tutorial/Security/Permission File - История изменений

Admin: 1 версия

в 17:44, 31 мая 2010