Examples of javax.security.auth.kerberos.ServicePermission

javax.security.auth.kerberos.ServicePermission
This class is used to protect Kerberos services and the credentials necessary to access those services. There is a one to one mapping of a service principal and the credentials necessary to access the service. Therefore granting access to a service principal implicitly grants access to the credential necessary to establish a security context with the service principal. This applies regardless of whether the credentials are in a cache or acquired via an exchange with the KDC. The credential can be either a ticket granting ticket, a service ticket or a secret key from a key table.
A ServicePermission contains a service principal name and a list of actions which specify the context the credential can be used within.
The service principal name is the canonical name of the {@code KereberosPrincipal} supplying the service, that isthe KerberosPrincipal represents a Kerberos service principal. This name is treated in a case sensitive manner. An asterisk may appear by itself, to signify any service principal.
Granting this permission implies that the caller can use a cached credential (TGT, service ticket or secret key) within the context designated by the action. In the case of the TGT, granting this permission also implies that the TGT can be obtained by an Authentication Service exchange.
The possible actions are:
```
 initiate -              allow the caller to use the credential to initiate a security context with a service principal. accept -                allow the caller to use the credential to accept security context as a particular principal. 
```
For example, to specify the permission to access to the TGT to initiate a security context the permission is constructed as follows:
```
 ServicePermission("krbtgt/EXAMPLE.COM@EXAMPLE.COM", "initiate"); 
```
To obtain a service ticket to initiate a context with the "host" service the permission is constructed as follows:
```
 ServicePermission("host/foo.example.com@EXAMPLE.COM", "initiate"); 
```
For a Kerberized server the action is "accept". For example, the permission necessary to access and use the secret key of the Kerberized "host" service (telnet and the likes) would be constructed as follows:
```
 ServicePermission("host/foo.example.com@EXAMPLE.COM", "accept"); 
```
@since 1.4

    /**
     * @tests javax.security.auth.kerberos.ServicePermission#ServicePermission(
     *        java.lang.String,java.lang.String)
     */
    public void testCtor() {
        ServicePermission sp = new ServicePermission("krbtgt/AAA.COM@BBB.COM", "initiate");
        ServicePermission sp1 = new ServicePermission("host/AAA.COM@BBB.COM", "accept");
        assertEquals("krbtgt/AAA.COM@BBB.COM",sp.getName());
        assertEquals("initiate",sp.getActions());
        assertEquals("host/AAA.COM@BBB.COM",sp1.getName());
        assertEquals("accept",sp1.getActions());
        ServicePermission sp2 = new ServicePermission("host/AAA.COM@BBB.COM", "accept, initiate");
        assertEquals("initiate,accept", sp2.getActions());


        try {
            // Regression for HARMONY-769
            // checks exception order: action parameter is verified first
            new ServicePermission(null, "initiate accept");
            fail("No expected IllegalArgumentException"); 
        } catch(IllegalArgumentException e){
        }
    }

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        }
    }
    
    public void testFailedCtor() {
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "read");
          fail("incorrect actions"); 
        } catch(IllegalArgumentException e){
        }


        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "");
          fail("actions is empty"); 
        } catch(IllegalArgumentException e){
        }


        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", null);
          fail("actions is null");
        } catch(NullPointerException e){
        } catch(IllegalArgumentException e){}


        try {
            new ServicePermission(null, "accept");
          fail("permission is null");
        } catch(NullPointerException e){
        }
        try {
            new ServicePermission("", "accept");
          //TODO: fail("No expected IAE");  // 
        } catch(IllegalArgumentException e){}
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "accept, read");
          fail("Incorrect actions"); 
        } catch(IllegalArgumentException e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "initiate, read");
          fail("Incorrect actions"); 
        } catch(IllegalArgumentException e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "read, initiate ");
          fail("Incorrect actions"); 
        } catch(Exception e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "read, accept ");
          fail("Incorrect actions"); 
        }catch(IllegalArgumentException e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", ", accept ");
          //TODO: fail("No expected IAE"); 
        } catch(IllegalArgumentException e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "initiate, accept, read");
          fail("Incorrect actions"); 
        } catch(IllegalArgumentException e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "initiate, read, accept");
          fail("Incorrect actions"); 
        } catch(IllegalArgumentException e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "initiate, accept, accept");
          //TODO: fail("Incorrect actions"); 
        } catch(IllegalArgumentException e){
        }
        try {
            new ServicePermission("krbtgt/AAA.COM@BBB.COM", "initiate accept");
          fail("Incorrect actions"); 
        } catch(IllegalArgumentException e){
        }
    }

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        } catch(IllegalArgumentException e){
        }
    }
    
    public void testEquals() {
        ServicePermission sp = new ServicePermission("host/AAA.COM@BBB.COM", "accept");
        ServicePermission sp1 = new ServicePermission("host/AAA.COM@BBB.COM", "initiate");
        ServicePermission sp2 = new ServicePermission("host/AAA.COM@BBB.COM", "initiate, accept");
        assertTrue(sp.equals(sp));
        assertTrue(sp.hashCode() == sp.hashCode());
        assertFalse(sp.equals(sp1));
        assertFalse(sp.hashCode() == sp1.hashCode());
        assertFalse(sp.equals(sp2));
        assertFalse(sp1.equals(sp2));
        assertTrue(sp2.equals(sp2));
        assertFalse(sp.equals(new DelegationPermission("\"AAA\" \"BBB\"", "action")));
        assertFalse(sp.equals(null));
    }

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        assertFalse(sp.equals(new DelegationPermission("\"AAA\" \"BBB\"", "action")));
        assertFalse(sp.equals(null));
    }
    
    public void testImplies() {
        ServicePermission sp1;
        ServicePermission sp = new ServicePermission("host/AAA.COM@BBB.COM", "accept");
        sp1 = new ServicePermission("*", "initiate, accept");
        assertTrue(sp.implies(sp));
        assertFalse(sp.implies(sp1));
        assertTrue(sp1.implies(sp));
        assertTrue(sp1.implies(sp1));
        sp1 = new ServicePermission("*", "accept");
        assertTrue(sp1.implies(sp));
        sp1 = new ServicePermission("*", "initiate");
        assertFalse(sp1.implies(sp));
        assertFalse(sp1.implies(new ServicePermission("*", "accept, initiate")));
        assertTrue(new ServicePermission("host/AAA.COM@BBB.COM", "initiate, accept").implies(sp));
        assertTrue(new ServicePermission("host/AAA.COM@BBB.COM", "accept").implies(sp));
        assertFalse(new ServicePermission("host/AAA.COM@BBB.COM", "initiate").implies(sp));
        assertFalse(sp1.implies(null));
    }

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    }
    
    // tests for KrbServicePermissionCollection
    
    public void testAddCollection() {
        ServicePermission sp = new ServicePermission("AAA", "accept");
        PermissionCollection pc  = sp.newPermissionCollection();
        
        try {
            pc.add(new DelegationPermission("\"aaa\" \"bbb\""));
            fail("Should not add non DelegationPermission");
        } catch (IllegalArgumentException e) {
        }
        
        try {
            pc.add(null);
            fail("no expected IAE");
        } catch (IllegalArgumentException e) {
        }
        
        pc.add(new ServicePermission("AAA", "accept"));
        pc.add(new ServicePermission("BBB", "accept, initiate"));
        
        pc.setReadOnly();
        try {
            pc.add(sp);
            fail("read-only flag is ignored");

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    }
    
    public void testImpliesCollection(){
        
        Permission ap = new AllPermission();
        Permission p = new ServicePermission("AAA", "accept");
        PermissionCollection pc = p.newPermissionCollection();
        assertFalse(pc.implies(ap));
        assertFalse(pc.implies(p));
        pc.add(p);
        assertTrue(pc.implies(p));
        assertFalse(pc.implies(null));
        assertFalse(pc.implies(new ServicePermission("BBB", "initiate")));
        assertFalse(pc.implies(new ServicePermission("CCC", "accept")));
        pc.add(new ServicePermission("*", "accept, initiate"));
        assertTrue(pc.implies(new ServicePermission("*", "accept")));
        assertTrue(pc.implies(new ServicePermission("*", "initiate")));
        assertTrue(pc.implies(new ServicePermission("BBB", "initiate")));
        assertTrue(pc.implies(new ServicePermission("CCC", "accept")));


        
    }

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    }
    
    public void testElements() {
        Permission p = new ServicePermission("AAA", "accept");
        PermissionCollection pc = p.newPermissionCollection();
        
    try {
      pc.elements().nextElement();
      fail("expected NoSuchElementException");
    } catch (NoSuchElementException e) {
    }


        Enumeration<Permission> en = pc.elements();
        assertNotNull(en);
        assertFalse(en.hasMoreElements());
        
        Permission sp1 = new ServicePermission("BBB", "accept, initiate");
        Permission sp2 = new ServicePermission("CCC", "initiate");
        Permission sp3 = new ServicePermission("DDD", "accept");
        
        pc.add(sp1);
        en = pc.elements();
        assertTrue(en.hasMoreElements());
        assertTrue(sp1.equals(en.nextElement()));

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                "InitiatE", //  first & last upper case
                "Accept, initiatE" //  first & last upper case
        };


        for (String element : validActions) {
            new ServicePermission("*", element);
        }


        String[] invalidActions = new String[] { "accept initiate", // space
                "accept\ninitiate", // delimiter \n 
                "accept\tinitiate", // delimiter \t 
                "accept\tinitiate", // delimiter \r
                "accept, ", // ','
                "accept,", // ','
                " ,accept" // ','
        };
        for (String element : invalidActions) {
            try {
                new ServicePermission("*", element);
                fail("No expected IllegalArgumentException for action: "
                        + element);
            } catch (IllegalArgumentException e) {
            }
        }

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        authPerm,
        new AuthPermission("doAs"),
        new RuntimePermission("modifyThread"),
        new RuntimePermission("modifyThreadGroup"),
        new RuntimePermission("setContextClassLoader"),
        new ServicePermission(serverPrincipal.getName(), "accept")
    };
      }


      this.returnErrMsg = returnErrMsg;
      this.illArgErrMsg = illArgErrMsg;

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                String serverPrincipal =
                    kerberosKeys[0].getPrincipal().getName();
                SecurityManager sm = System.getSecurityManager();
                try {
                   if (sm != null) {
                      sm.checkPermission(new ServicePermission(serverPrincipal,
                                                "accept"), acc);
                   }
                } catch (SecurityException se) {
                   kerberosKeys = null;
                   // %%% destroy keys? or will that affect Subject?

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