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Querying User Information
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Reading user information (or group information, for that matter) requires the use of the Get method, as well as the name of the attribute you want to read In the previous chapter, I showed you how to use the AD Schema console to browse a class for its available attributes; you can use the same technique on the user and group classes to see what attributes they support To query information, simply connect to the object in question and use Get to retrieve the attribute values that you need
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Dim oUser Set oUser = GetObject("LDAP://cn=DonJ,ou=MIS,dc=domain,dc=com") WScriptEcho oUserGet("name") WScriptEcho oUserGet("description") WScriptEcho oUserGet("sAMAccountName")
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That's easy enough Using the WinNT provider, you can directly access many attributes that are exposed as regular properties
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Dim oUser Set oUser = GetObject("WinNT://DOMAIN/DonJ") WScriptEcho oUserName WScriptEcho oUserDescription
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One thing to be careful of with the WinNT provider is that it grabs the first object it finds matching your query For example, if I have a user and a group named DonJ, the preceding example might bind to the user or the group You can force the object type by specifying it
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Dim oUser Set oUser = GetObject("WinNT://DOMAIN/DonJ,user") WScriptEcho oUserName WScriptEcho oUserDescription
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You can also use Get with the WinNT provider, making its syntax parallel to the LDAP provider Keep in mind that user objects have a number of multivalued attributes, as I mentioned in 14 Reading those requires a slightly different technique
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Dim oUser Set oUser = GetObject("LDAP://cn=DonJ,ou=MIS,dc=domain,dc=com")
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Changing User Settings
Using the LDAP provider, you can use Put to change user and group attributes
Dim oUser Set oUser = GetObject("LDAP://cn=DonJ,ou=MIS,dc=domain,dc=com") oUserPut "description", "Author" oUserSetInfo
Keep in mind that users in particular offer a number of multivalued attributes I discussed how to work with those in 14 Here's quick refresher
Const MVP_CLEAR = 1 Const MVP_UPDATE = 2 Const MVP_APPEND = 3 Const MVP_DELETE = 4
Dim objUser Set objUser = GetObject("cn=DonJ,ou=Sales,dc=braincore,dc=net") objUserPutEx MVP_APPEND, "otherTelephone", Array("555-1212") objUserSetInfo
This example appends another telephone number to a user's otherTelephone multivalued attribute You can also clear the attribute completely, delete entries, or change a particular entry The following example adds a new telephone number, and then deletes it
Const MVP_CLEAR = 1 Const MVP_UPDATE = 2 Const MVP_APPEND = 3 Const MVP_DELETE = 4
Dim objUser Set objUser = GetObject("cn=DonJ,ou=Sales,dc=braincore,dc=net") objUserPutEx MVP_APPEND, "otherTelephone", Array("555-1212") objUserSetInfo
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This document is created with the unregistered version of CHM2PDF Pilot
Working with Groups
You'll want to do two primary things with groups: modify their membership and check their membership The former can be useful in scripts that bulk-add new users to the domain; the latter is invaluable in logon scripts Let's take checking group membership first The basic trick is to get a reference to a group, and then scan through its members until you find a particular user (or not) This is best implemented as a function, which can be easily reused in different scripts The function is in Listing 161 Listing 161 CheckGroupMembershipvbs This function checks to see if a specified user belongs to a specified group
Function IsMember(sUser, sGroup) Dim oGroup, bIsMember, oMember bIsMember = False Set oGroup = GetObject("LDAP://" & sGroup) For Each oMember in oGroupGetEx("member") If oMemberName = sUser Then bIsMember = True Exit For End If Next IsMember = bIsMember End Function
You need to pass FQDNs to this function For example, to see if user DonJ, located in the MIS OU, is a member of the HelpDesk group, also located in the MIS OU, you'd do something like this
If IsMember( _ "cn=DonJ,ou=MIS,dc=domain,dc=com", _ "cn=HelpDesk,ou=MIS,dc=domain,dc=com") Then WScriptEcho "He's a member!" Else WScriptEcho "He's not a member!" End If
Notice that the function uses the GetEx method to retrieve the group object's member attribute, which is a multivalued attribute Each entry in the attribute is the FQDN of a user that belongs to the group The benefit of a function like this is that it can check for users from different domains belonging to, for example, a Universal security group, because you're using the FQDN of the user, which includes his home domain