This time with attachments :)
On Mon, Feb 10, 2020 at 03:32:36PM -0600, Lucas Raab wrote:
> Hello,
>
> I'm getting NPE's while attempting to read from a fresh AD install with
> a 2012R2 level domain. If I don't load the schema (relaxed or strict),
> the search runs normally. if I do load the schema, then the search
> throws the NPE. No error is thrown when I attempted similar searches
> against an OpenDJ 6.5 server.
>
> It appears to come from attempting to determine if an LdapSyntax from
> an AttributeType is human readable or not. The LdapSyntax object looks
> to be null, but is visible when dumping the AttributeType. I'm not
> entirely sure where the schema-aware attribute loading is happening to
> try and fix it myself so here I am :)
>
> Attached is a log and sample source file. I can provide credentials in
> a private mail for any debugging.
>
> Thanks,
> Lucas
package com.example;
import org.apache.directory.api.ldap.model.cursor.CursorException;
import org.apache.directory.api.ldap.model.cursor.SearchCursor;
import org.apache.directory.api.ldap.model.entry.Entry;
import org.apache.directory.api.ldap.model.exception.LdapException;
import org.apache.directory.api.ldap.model.exception.LdapURLEncodingException;
import org.apache.directory.api.ldap.model.message.*;
import org.apache.directory.api.ldap.model.name.Dn;
import org.apache.directory.api.ldap.model.schema.*;
import
org.apache.directory.api.ldap.model.schema.registries.AttributeTypeRegistry;
import
org.apache.directory.api.ldap.model.schema.registries.ObjectClassRegistry;
import org.apache.directory.api.ldap.model.schema.registries.Schema;
import org.apache.directory.api.ldap.model.url.LdapUrl;
import org.apache.directory.ldap.client.api.LdapConnection;
import org.apache.directory.ldap.client.api.LdapNetworkConnection;
import java.io.IOException;
import java.util.Collection;
public class Main {
public static void main(String[] args) throws LdapException, IOException {
LdapUrl test = new
LdapUrl("ldaps://dc1.example.com/DC=example,DC=com?cn?sub?(objectClass=person)");
LdapConnection connection = new LdapNetworkConnection(
"dc1.example.com",
636,
true
);
System.out.println("Built connection");
int i = 0;
System.out.println("Attempting to bind");
try {
//connection.anonymousBind();
connection.bind("user_dn", "testtest");
System.out.println("Connection bound");
connection.loadSchemaRelaxed();
System.out.println("Loaded schema");
SearchRequest req = new SearchRequestImpl();
req.setScope(test.getScope());
for (String a : test.getAttributes()) {
req.addAttributes(a);
}
req.setTimeLimit(0);
req.setBase(test.getDn());
req.setFilter(test.getFilter());
try (SearchCursor searchCursor = connection.search(req)) {
while (searchCursor.next()) {
i++;
Response response = searchCursor.get();
if (response instanceof SearchResultEntry) {
Entry resultEntry = ((SearchResultEntry)
response).getEntry();
System.out.println(resultEntry.get("cn"));
}
}
}
} catch (LdapException | NullPointerException | CursorException e) {
e.printStackTrace();
} finally {
System.out.println(String.format("Got %d entries", i));
connection.unBind();
//connection.close();
}
}
}
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