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Posted to dev@directory.apache.org by "Emmanuel Lecharny (JIRA)" <di...@incubator.apache.org> on 2005/12/08 00:31:09 UTC

[jira] Commented: (DIRLDAP-77) ClassCastException when performing 'compare' on userPassword

    [ http://issues.apache.org/jira/browse/DIRLDAP-77?page=comments#action_12359666 ] 

Emmanuel Lecharny commented on DIRLDAP-77:
------------------------------------------

Hi !

could you change the lines :

/// Line 360, file org.apache.ldap.server.partition.DefaultDirectoryPartitionNexus.java :

        /*
         * Get ahold of the normalizer for the attribute and normalize the request
         * assertion value for comparisons with normalized attribute values.  Loop
         * through all values looking for a match.
         */
        Normalizer normalizer = attrType.getEquality().getNormalizer();
        String reqVal = ( String ) normalizer.normalize( value );
        for ( int ii = 0; ii < attr.size(); ii++ )
        {
            String attrVal = ( String ) normalizer.normalize( attr.get( ii ) );
            if ( attrVal.equals( reqVal ) )
            {
                return true;
            }
        }


by those lines in the class :

...
        /*
         * Get ahold of the normalizer for the attribute and normalize the request
         * assertion value for comparisons with normalized attribute values.  Loop
         * through all values looking for a match.
         */
        Normalizer normalizer = attrType.getEquality().getNormalizer();
        Object reqVal = normalizer.normalize( value );
        
        for ( int ii = 0; ii < attr.size(); ii++ )
        {
        	Object attrValObj = normalizer.normalize( attr.get( ii ) );
        	
        	if ( attrValObj instanceof String )
        	{
        		String attrVal = ( String ) attrValObj;
        		
	            if ( attrVal.equals( reqVal ) )
	            {
	                return true;
	            }
        	}
        	else
        	{
        		byte[] attrVal = (byte[])attrValObj;
        		
        		return Arrays.equals( attrVal, (byte[])reqVal );
        	}
        }
...


Dont' forget to add the import java.util.Arrays;


and tell us if it fixes your pb?

Tahnks a lot for the report !


> ClassCastException when performing 'compare' on userPassword
> ------------------------------------------------------------
>
>          Key: DIRLDAP-77
>          URL: http://issues.apache.org/jira/browse/DIRLDAP-77
>      Project: Directory LDAP
>         Type: Bug
>     Reporter: Luke Taylor

>
> Using the latest 0.9.4 snapshots and also code checked out and built today - (but had to include an older version of Mina with the latter due to ClassNotFoundExceptions for MessageHandler ):
> I'm making a call to apache-ds to perform a comparison operation on a user's password and I'm get a ClassCastException at line 369 of DefaultDirectoryPartitionNexus:
>             String attrVal = ( String ) normalizer.normalize( attr.get( ii ) );
> when attr is userPassword (a byte array) and the normalizer is a no-op, so the cast to String fails.
> javax.naming.NamingException: [LDAP: error code 1 - failed to compare entry cn=Bob,ou=people,dc=acegisecurity,dc=org:
> org.apache.ldap.server.interceptor.InterceptorException: Unexpected exception. [Root exception is java.lang.ClassCastException: [B]
> 	at org.apache.ldap.server.interceptor.InterceptorChain.throwInterceptorException(InterceptorChain.java:1368)
> 	at org.apache.ldap.server.interceptor.InterceptorChain.access$700(InterceptorChain.java:49)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:983)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.authz.AuthorizationService.compare(AuthorizationService.java:917)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.interceptor.BaseInterceptor.compare(BaseInterceptor.java:210)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	at org.apache.ldap.server.normalization.NormalizationService.compare(NormalizationService.java:236)
> 	at org.apache.ldap.server.interceptor.InterceptorChain.compare(InterceptorChain.java:564)
> 	at org.apache.ldap.server.partition.DirectoryPartitionNexusProxy.compare(DirectoryPartitionNexusProxy.java:232)
> 	at org.apache.ldap.server.partition.DirectoryPartitionNexusProxy.compare(DirectoryPartitionNexusProxy.java:221)
> 	at org.apache.ldap.server.jndi.ServerLdapContext.compare(ServerLdapContext.java:168)
> 	at org.apache.ldap.server.protocol.support.CompareHandler.messageReceived(CompareHandler.java:61)
> 	at org.apache.mina.handler.DemuxingIoHandler.messageReceived(DemuxingIoHandler.java:95)
> 	at org.apache.ldap.server.protocol.LdapProtocolProvider$LdapProtocolHandler.messageReceived(LdapProtocolProvider.java:396)
> 	at org.apache.mina.common.support.AbstractIoFilterChain$2.messageReceived(AbstractIoFilterChain.java:189)
> 	at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:494)
> 	at org.apache.mina.common.support.AbstractIoFilterChain.access$1000(AbstractIoFilterChain.java:52)
> 	at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:761)
> 	at org.apache.mina.filter.LoggingFilter.messageReceived(LoggingFilter.java:87)
> 	at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:494)
> 	at org.apache.mina.common.support.AbstractIoFilterChain.access$1000(AbstractIoFilterChain.java:52)
> 	at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:761)
> 	at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:91)
> 	at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:494)
> 	at org.apache.mina.common.support.AbstractIoFilterChain.access$1000(AbstractIoFilterChain.java:52)
> 	at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:761)
> 	at org.apache.mina.filter.ThreadPoolFilter.processEvent(ThreadPoolFilter.java:665)
> 	at org.apache.mina.filter.ThreadPoolFilter$Worker.processEvents(ThreadPoolFilter.java:421)
> 	at org.apache.mina.filter.ThreadPoolFilter$Worker.run(ThreadPoolFilter.java:376)
> Caused by: java.lang.ClassCastException: [B
> 	at org.apache.ldap.server.partition.DefaultDirectoryPartitionNexus.compare(DefaultDirectoryPartitionNexus.java:369)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$1.compare(InterceptorChain.java:71)
> 	at org.apache.ldap.server.interceptor.InterceptorChain$Entry$1.compare(InterceptorChain.java:975)
> 	... 41 more
> ]; remaining name 'cn=Bob,ou=people'
> 	at com.sun.jndi.ldap.LdapCtx.mapErrorCode(LdapCtx.java:3025)
> 	at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2931)
> 	at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2737)
> 	at com.sun.jndi.ldap.LdapCtx.searchAux(LdapCtx.java:1803)
> 	at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1731)
> 	at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1748)
> 	at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(ComponentDirContext.java:394)
> 	at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:376)
> 	at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:358)
> 	at javax.naming.directory.InitialDirContext.search(InitialDirContext.java:267)
> 	at org.acegisecurity.providers.ldap.authenticator.PasswordComparisonAuthenticator.doPasswordCompare(PasswordComparisonAuthenticator.java:117)
> 	at org.acegisecurity.providers.ldap.authenticator.PasswordComparisonAuthenticator.authenticate(PasswordComparisonAuthenticator.java:81)
> 	at org.acegisecurity.providers.ldap.authenticator.PasswordComparisonAuthenticatorTests.testLdapCompareSucceedsWithCorrectPassword(PasswordComparisonAuthenticatorTests.java:35)
> Client code is:
>         SearchControls ctls = new SearchControls();
>         ctls.setReturningAttributes(new String[0]);
>         ctls.setSearchScope(SearchControls.OBJECT_SCOPE);
>         String filter = "(userPassword={0})";
>         NamingEnumeration results = ctx.search(dn, filter, new Object[]{password.getBytes()}, ctls);

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