RE: [ActiveDir] ADAM attribute value

Thu, 12 Aug 2004 01:10:35 -0700

Harry,
 
ADAM does not implement the domainDNS structure like Active Directory does, instead it uses Application Partitions in your case "dc=abcd,dc=com" , I am not saying that you can not add or use domainDNS, I am just trying to highlight that ADAM was not designed to work with the domainDNS structure like Active Directory was.
 
You will also find that your RootDSE - defaultNamingContext is not populated by default as it is in Active Directory. You have to populate this attribute manually (very easy).
 
Now about your code, I am not sure what you mean by "trying to find the value of ObjectClass" are you trying to find all objects using the LDAP filter "ObjectClass=*" ?
The objectClass attribute contains the class of which the object is an instance, as well as all classes from which that class is derived.
 
If you would like to see more detail including some code (which is what I think you trying to do)  here is the link -
 
 
AD, ADAM or any LDAP programming? - http://groups.yahoo.com/group/adsianddirectoryservices
Carlos Magalhaes Active Directory Programming MVP

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Harpreet_Kapoor
Sent: Thursday, August 12, 2004 9:46 AM
To: [EMAIL PROTECTED]
Subject: [ActiveDir] ADAM attribute value

We are trying to find the value of the "objectClass" attribute in ADAM.

For this we wrote the following code :

 

char *attrs[2] = {"objectClass", NULL};

    LDAPMessage* result = NULL;

 

  int nResult = ldap_search_s (ld, "dc=abcd,dc=com", LDAP_SCOPE_SUBTREE, "objectClass=*", attrs, 0, &result);

 

            if (nResult != LDAP_SUCCESS)

    {

        return LDAPUTIL_GETVERSIONFAIL;

    }

 

    int nentries = ldap_count_entries(ld, result);

           

    if (nentries <= 0)

    {

        if (result != NULL)

            ldap_msgfree (result);

 

        return LDAPUTIL_SUCCESS;

    }

 

    LDAPMessage* e = ldap_first_entry (ld, result);

    char** vals = ldap_get_values (ld, e, attrs[0] );

    int i=0;

            if (vals != NULL)

    {

        if (vals[i] != NULL)

        {

                        cout<<"\n val[i] "<<vals[i]<<endl;

                        i++;

        }

        ldap_value_free (vals);

    }

 

    if (result != NULL)

        ldap_msgfree (result);

 

  nResult = ldap_compare_s (ld, dcRoot, "objectClass","domainDNS");

    if  ((nResult == LDAP_COMPARE_TRUE))

    {

        cout<<"Active Directory Application Mode(ADAM)";

        return LDAP_SUCCESS;

    }

 

Actually,our main aim is to find the value of objectClass for ADAM(Active Directory Application Mode)for use in ldap_compare_s().This is why we wrote the code above to find the value of the objectclass parameter.

 

I have the following questions:

1)We have observed that domainDNS works for Active Directory.Does it also work for ADAM? In our case,it does not.If it does not,what is the attribute value of objectClass in case of ADAM?In my case, ldap_compare_s returns the value 0x10 which means that the attribute does not exist. However,in ADAM ,I can clearly see the attribute.But when I give this value in ldap_compare_s(), it returns the error code 0x10.Is there any other attribute which can be used to identify the dc objects on ADAM just as objectclass and its value domainDNS work for Active Directory.

2)ldap_get_values() returns a NULL .What could be the possible solution?

 

My configuration settings:

Root DN : dc=abcd,dc=com

 

Thanks,

Harry

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