safeserver.policy

java 的164个例子的源代码,包括了 很多方面,供包括了19个方面的 源代码

// This file grants the SafeServer class the permissions it needs to load
// Service classes through a URLClassLoader, and grants the Service classes
// permission to read and write files in and beneath the directory specified
// by the service.tmp system property.  Note that you'll need to edit the 
// URL that specifies the location of the SafeServer class, and that for 
// Windows systems, you'll need to replace "/" with "\\"

// Grant permissions to the SafeServer class.  
// Edit the directory for your system.
grant codeBase "file:/home/david/Books/JavaExamples2/Examples" {
     // Allow the server to listen for and accept network connections 
     // from any host on any port > 1024
     permission java.net.SocketPermission "*:1024-", "listen,accept";

     // Allow the server to create a class loader to load service classes
     permission java.lang.RuntimePermission "createClassLoader";

     // Give the server permission to read the directory that contains the
     // service classes.  If we were using a network URL instead of a file URL
     // we'd need to add a SocketPermission instead of a FilePermission
     permission java.io.FilePermission "${service.dir}/-", "read";

     // The server cannot grant permissions to the Service classes unless it
     // has those permissions itself. So we give the server these two Service
     // permissions.
     permission java.util.PropertyPermission "service.tmp", "read";
     permission java.io.FilePermission "${service.tmp}/-", "read,write";
};

// Grant permissions to classes loaded from the directory specified by the
// service.dir system property.  If we were using a network URL instead of a
// local file: URL, this line would have to be different.
grant codeBase "file:${service.dir}" {
     // Services can read the system property "service.tmp"      
     permission java.util.PropertyPermission "service.tmp", "read";
     // And they can read and write files in the directory specified by
     // that system property
     permission java.io.FilePermission "${service.tmp}/-", "read,write";
};