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From elecha...@apache.org
Subject svn commit: r159520 - directory/sandbox/trunk/asn1-new-codec/src/test/org/apache/asn1/ldap/codec/LdapDecoderTest.java
Date Wed, 30 Mar 2005 20:21:14 GMT
Author: elecharny
Date: Wed Mar 30 12:21:12 2005
New Revision: 159520

URL: http://svn.apache.org/viewcvs?view=rev&rev=159520
Log:
Added junit tests to the LdapDecoder class. Test a bad length, a bad tag...

Modified:
    directory/sandbox/trunk/asn1-new-codec/src/test/org/apache/asn1/ldap/codec/LdapDecoderTest.java

Modified: directory/sandbox/trunk/asn1-new-codec/src/test/org/apache/asn1/ldap/codec/LdapDecoderTest.java
URL: http://svn.apache.org/viewcvs/directory/sandbox/trunk/asn1-new-codec/src/test/org/apache/asn1/ldap/codec/LdapDecoderTest.java?view=diff&r1=159519&r2=159520
==============================================================================
--- directory/sandbox/trunk/asn1-new-codec/src/test/org/apache/asn1/ldap/codec/LdapDecoderTest.java
(original)
+++ directory/sandbox/trunk/asn1-new-codec/src/test/org/apache/asn1/ldap/codec/LdapDecoderTest.java
Wed Mar 30 12:21:12 2005
@@ -258,4 +258,175 @@
         // after being reset.
         ldapMessageContainer.free();
     }
+
+    /**
+     * Test the decoding of a PDU with a bad Length.
+     * The first TLV has a length of 0x32 when the PDU is 0x33 bytes long.
+     */
+    public void testDecodeBadLengthTooSmall()
+    {
+        Asn1Decoder ldapDecoder = new Asn1Decoder();
+
+        ByteBuffer  stream      = ByteBuffer.allocate( 0x35 );
+        stream.put(
+            new byte[]
+            {
+            	// Length should be 0x33...
+                0x30, 0x32, 		// LDAPMessage ::=SEQUENCE {
+				0x02, 0x01, 0x01, 	//         messageID MessageID
+				0x60, 0x2E, 		//        CHOICE { ..., bindRequest BindRequest, ...
+                        			// BindRequest ::= APPLICATION[0] SEQUENCE {
+				0x02, 0x01, 0x03, 	//        version INTEGER (1..127),
+				0x04, 0x1F, 		//        name LDAPDN,
+				'u', 'i', 'd', '=', 'a', 'k', 'a', 'r', 'a', 's', 'u', 'l', 'u', ',', 'd', 'c', '=',
+                'e', 'x', 'a', 'm', 'p', 'l', 'e', ',', 'd', 'c', '=', 'c', 'o', 'm',
+				( byte ) 0x80, 0x08, //        authentication AuthenticationChoice
+                                     // AuthenticationChoice ::= CHOICE { simple [0] OCTET
STRING, ...
+				'p', 'a', 's', 's', 'w', 'o', 'r', 'd'
+            } );
+
+        stream.flip();
+
+        // Allocate a BindRequest Container
+        IAsn1Container ldapMessageContainer = null;
+
+        try
+        {
+            ldapMessageContainer = ( IAsn1Container ) ldapDecoder.allocate(
+                    PoolEnum.LDAP_MESSAGE_CONTAINER_POOL );
+        }
+        catch ( PoolException pe )
+        {
+            Assert.fail("Cannot allocat a LdapMessageContainer : " + pe.getMessage());
+        }
+        
+        ldapMessageContainer.setGrammar( LdapMessageGrammar.getInstance() );
+        ldapMessageContainer.setPoolManager( ldapDecoder.getPoolManager() );
+
+        try
+        {
+            ldapDecoder.decode( stream, ldapMessageContainer );
+        }
+        catch ( DecoderException de )
+        {
+            Assert.assertEquals( "Current Length is above expected Length", de.getMessage()
);
+            return;
+        }
+    	
+        Assert.fail("Should never arrive here...");
+    }
+
+    /**
+     * Test the decoding of a PDU with a bad primitive Length.
+     * The second TLV has a length of 0x02 when the PDU is 0x01 bytes long.
+     */
+    public void testDecodeBadPrimitiveLengthTooBig()
+    {
+        Asn1Decoder ldapDecoder = new Asn1Decoder();
+
+        ByteBuffer  stream      = ByteBuffer.allocate( 0x35 );
+        stream.put(
+            new byte[]
+            {
+                0x30, 0x33, 		// LDAPMessage ::=SEQUENCE {
+            	// Length should be 0x01...
+				0x02, 0x02, 0x01, 	//         messageID MessageID
+				0x60, 0x2E, 		//        CHOICE { ..., bindRequest BindRequest, ...
+                        			// BindRequest ::= APPLICATION[0] SEQUENCE {
+				0x02, 0x01, 0x03, 	//        version INTEGER (1..127),
+				0x04, 0x1F, 		//        name LDAPDN,
+				'u', 'i', 'd', '=', 'a', 'k', 'a', 'r', 'a', 's', 'u', 'l', 'u', ',', 'd', 'c', '=',
+                'e', 'x', 'a', 'm', 'p', 'l', 'e', ',', 'd', 'c', '=', 'c', 'o', 'm',
+				( byte ) 0x80, 0x08, //        authentication AuthenticationChoice
+                                     // AuthenticationChoice ::= CHOICE { simple [0] OCTET
STRING, ...
+				'p', 'a', 's', 's', 'w', 'o', 'r'
+            } );
+
+        stream.flip();
+
+        // Allocate a BindRequest Container
+        IAsn1Container ldapMessageContainer = null;
+
+        try
+        {
+            ldapMessageContainer = ( IAsn1Container ) ldapDecoder.allocate(
+                    PoolEnum.LDAP_MESSAGE_CONTAINER_POOL );
+        }
+        catch ( PoolException pe )
+        {
+            Assert.fail("Cannot allocat a LdapMessageContainer : " + pe.getMessage());
+        }
+        
+        ldapMessageContainer.setGrammar( LdapMessageGrammar.getInstance() );
+        ldapMessageContainer.setPoolManager( ldapDecoder.getPoolManager() );
+
+        try
+        {
+            ldapDecoder.decode( stream, ldapMessageContainer );
+        }
+        catch ( DecoderException de )
+        {
+            Assert.assertEquals( "Universal tag 14 is reserved", de.getMessage() );
+            return;
+        }
+    	
+        Assert.fail("Should never arrive here...");
+    }
+
+    /**
+     * Test the decoding of a PDU with a bad primitive Length.
+     * The second TLV has a length of 0x02 when the PDU is 0x01 bytes long.
+     */
+    public void testDecodeBadTagTransition()
+    {
+        Asn1Decoder ldapDecoder = new Asn1Decoder();
+
+        ByteBuffer  stream      = ByteBuffer.allocate( 0x35 );
+        stream.put(
+            new byte[]
+            {
+                0x30, 0x33, 		// LDAPMessage ::=SEQUENCE {
+            	// Length should be 0x01...
+				0x02, 0x01, 0x01, 	//         messageID MessageID
+				0x2D, 0x2D, 		//        CHOICE { ..., bindRequest BindRequest, ...
+                        			// BindRequest ::= APPLICATION[0] SEQUENCE {
+				0x02, 0x01, 0x03, 	//        version INTEGER (1..127),
+				0x04, 0x1F, 		//        name LDAPDN,
+				'u', 'i', 'd', '=', 'a', 'k', 'a', 'r', 'a', 's', 'u', 'l', 'u', ',', 'd', 'c', '=',
+                'e', 'x', 'a', 'm', 'p', 'l', 'e', ',', 'd', 'c', '=', 'c', 'o', 'm',
+				( byte ) 0x80, 0x08, //        authentication AuthenticationChoice
+                                     // AuthenticationChoice ::= CHOICE { simple [0] OCTET
STRING, ...
+				'p', 'a', 's', 's', 'w', 'o', 'r'
+            } );
+
+        stream.flip();
+
+        // Allocate a BindRequest Container
+        IAsn1Container ldapMessageContainer = null;
+
+        try
+        {
+            ldapMessageContainer = ( IAsn1Container ) ldapDecoder.allocate(
+                    PoolEnum.LDAP_MESSAGE_CONTAINER_POOL );
+        }
+        catch ( PoolException pe )
+        {
+            Assert.fail("Cannot allocat a LdapMessageContainer : " + pe.getMessage());
+        }
+        
+        ldapMessageContainer.setGrammar( LdapMessageGrammar.getInstance() );
+        ldapMessageContainer.setPoolManager( ldapDecoder.getPoolManager() );
+
+        try
+        {
+            ldapDecoder.decode( stream, ldapMessageContainer );
+        }
+        catch ( DecoderException de )
+        {
+            Assert.assertEquals( "Bad transition from state PROTOCOL_OP_TAG, tag [2D]", de.getMessage()
);
+            return;
+        }
+    	
+        Assert.fail("Should never arrive here...");
+    }
 }



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