[英]Search for a Local user in a local group that does not have Foreign Security policy
基本上,我發現了一個帖子,該帖子為我們在應用程序中遇到的問題提供了解決方案,而解決方案是:
private static void listGroupMembers(string groupDistinguishedName, PrincipalContext ctx, List<UserPrincipal> users)
{
DirectoryEntry group = new DirectoryEntry("LDAP://" + groupDistinguishedName);
foreach (string dn in group.Properties["member"])
{
DirectoryEntry gpMemberEntry = new DirectoryEntry("LDAP://" + dn);
System.DirectoryServices.PropertyCollection userProps = gpMemberEntry.Properties;
object[] objCls = (userProps["objectClass"].Value) as object[];
if (objCls.Contains("group"))
listGroupMembers(userProps["distinguishedName"].Value as string, ctx, users);
if (!objCls.Contains("foreignSecurityPrincipal"))
{
UserPrincipal u = UserPrincipal.FindByIdentity(ctx, IdentityType.DistinguishedName, dn);
if(u!=null) // u==null for any other types except users
users.Add(u);
}
}
}
但是我試圖搜索本地組,所以如果我更改目錄條目說:
DirectoryEntry groupEntry =
new DirectoryEntry(string.Format("WinNT://{0}/{1},group", Environment.MachineName, groupName));
然后它不起作用,並說該屬性不存在。 除了本地組和用戶外,我該如何做?
為了解決這個問題,我最終做了:
protected bool IsUserInLocalGroup(string userName, string group)
{
using (DirectoryEntry computerEntry = new DirectoryEntry("WinNT://{0},computer".FormatWith(Environment.MachineName)))
using(DirectoryEntry groupEntry = computerEntry.Children.Find(group, "Group"))
{
foreach (object o in (IEnumerable)groupEntry.Invoke("Members"))
{
using (DirectoryEntry entry = new DirectoryEntry(o))
{
if (entry.SchemaClassName.Equals("User", StringComparison.OrdinalIgnoreCase) && entry.Name.Equals(userName, StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
}
return false;
}
}
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