LDAP querys

  • Hi all.

    I was wondering if anyone had been able to select the memberOf column in an ldap query.

    [Code]

    select top 100 * FROM OPENROWSET('ADSDSOObject',

    'mydomainControler.domain.local/DC=domain,DC=local;', 'SELECT cn, mail, co, distinguishedName, displayName,MemberOf

    FROM ''mydomainControler.domain.local/DC=domain,DC=local'' where objectClass = ''User'' and ObjectCategory=''Person'' ')

    [/Code]

    Removing the MemberOf column will make the query run just fine. seam to remember there being some restrictions on openrowset functions. but not sure

    Then i tried to only select users from a certain user group.

    [Code]

    select top 100 * FROM OPENROWSET('ADSDSOObject',

    'mydomainControler.domain.local/DC=domain,DC=local;', 'SELECT cn, mail, co, distinguishedName, displayName

    FROM ''LDAP://mydomainControler.domain.local/DC=domain,DC=local'' where objectClass = ''User'' and MemberOf=''CN=[Administrators],DC=domain,DC=local''')

    [/Code]

    This will run but with out results. am i messing some tags in the MemberOf part of the Where clause ? if anyone has an example that i could use that would be great.

    kgunnarsson
    Mcitp Database Developer.

  • You aren't messing anything up. You just ran into a limitation of the provider being used, it doesn't support multi-valued attributes like MemberOf.

    Here are a couple alternatives.

    1. Redefine what you're doing, for example know ahead of time which group(s) you're working with.

    2. Create a CLR stored procedure or function that uses System.DirectoryServices to return group membership.

    There's a brief demonstration that shows the steps for doing that in the CLR on this post: http://www.sqlservercentral.com/Forums/Topic452981-386-1.aspx

  • Thanx for the info.. What i will do is just redefine my stored procedure, so i'll filter down on user groups. I managed to find out how to use the MemberOf in a where clause.

    So just if anyone gets into any problems i'll post this here.

    To use the MemberOf in a where clause the best way is to first select the groups them self's.

    that can be done like this

    [Code]

    select top 100 * FROM OPENROWSET('ADSDSOObject',

    'mydomaincontroler.domain.local/DC=domain,DC=local;', 'SELECT cn, mail, co, distinguishedName, displayName

    FROM ''LDAP://mydomaincontroler.domain.local/DC=domain,DC=local'' where objectClass = ''group'' ')

    [/Code]

    Then copy the distinguishedName string and paste that into the Member of where clause.

    In my example Administrators.

    [Code]

    select top 100 * FROM OPENROWSET('ADSDSOObject',

    'LDAP://mydomaincontroler.domain.local/DC=domain,DC=local;', 'SELECT cn, mail, co, distinguishedName, displayName

    FROM ''LDAP://mydomaincontroler.domain.local/DC=domain,DC=local'' where objectClass = ''User'' and MemberOf=''CN=Administrators,CN=Builtin,DC=Domain,DC=local''')

    [/Code]

    This will provide me with an list of users that are in the Administrators group of the domain.

    kgunnarsson
    Mcitp Database Developer.

Viewing 3 posts - 1 through 2 (of 2 total)

You must be logged in to reply to this topic. Login to reply