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c# - 如何知道 DirectoryEntry 是用户还是组?

转载 作者:太空狗 更新时间:2023-10-29 21:41:36 30 4
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你好,

我有以下代码从当前 AD 创建树:

public static ActiveDirectory GetActiveDirectoryTree(string pathToAD = "")
{
DirectoryEntry objADAM = default(DirectoryEntry);
// Binding object.
DirectoryEntry objGroupEntry = default(DirectoryEntry);
// Group Results.
DirectorySearcher objSearchADAM = default(DirectorySearcher);
// Search object.
SearchResultCollection objSearchResults = default(SearchResultCollection);
// Binding path.
ActiveDirectory result = new ActiveDirectory();
ActiveDirectoryItem treeNode;

// Get the AD LDS object.
try
{
if (pathToAD.Length > 0)
objADAM = new DirectoryEntry();
else
objADAM = new DirectoryEntry(pathToAD);
objADAM.RefreshCache();
}
catch (Exception e)
{
throw e;
}

// Get search object, specify filter and scope,
// perform search.
try
{
objSearchADAM = new DirectorySearcher(objADAM);
objSearchADAM.Filter = "(&(objectClass=group))";
objSearchADAM.SearchScope = SearchScope.Subtree;
objSearchResults = objSearchADAM.FindAll();
}
catch (Exception e)
{
throw e;
}

// Enumerate groups
try
{
if (objSearchResults.Count != 0)
{
//SearchResult objResult = default(SearchResult);
foreach (SearchResult objResult in objSearchResults)
{
objGroupEntry = objResult.GetDirectoryEntry();
result.ActiveDirectoryTree.Add(new ActiveDirectoryItem() { Id = objGroupEntry.Guid, ParentId = objGroupEntry.Parent.Guid, AccountName = objGroupEntry.Name, Type = ActiveDirectoryType.Group, PickableNode = false });

foreach (object child in objGroupEntry.Properties["member"])
{
treeNode = new ActiveDirectoryItem();
var path = "LDAP://" + child.ToString().Replace("/", "\\/");
using (var memberEntry = new DirectoryEntry(path))
{
if (memberEntry.Properties.Contains("sAMAccountName") && memberEntry.Properties.Contains("objectSid"))
{
treeNode.Id = Guid.NewGuid();
treeNode.ParentId = objGroupEntry.Guid;
treeNode.AccountName = memberEntry.Properties["sAMAccountName"][0].ToString();
treeNode.Type = ActiveDirectoryType.User;
treeNode.PickableNode = true;
treeNode.FullName = memberEntry.Properties["Name"][0].ToString();

byte[] sidBytes = (byte[])memberEntry.Properties["objectSid"][0];
treeNode.ObjectSid = new System.Security.Principal.SecurityIdentifier(sidBytes, 0).ToString();

result.ActiveDirectoryTree.Add(treeNode);
}
}
}
}
}
else
{
throw new Exception("No groups found");
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}

return result;
}

问题是使用 (var memberEntry = new DirectoryEntry(path)) 返回 DomainUsers 作为该树的用户,我不确定这是否正确?

假设我存储了 DomainUsers 节点的 sidId,然后将其发送到以下方法:

public static Boolean GetActiveDirectoryName(string sidId,out string samAccountName,out string fullName)
{
samAccountName = string.Empty;
fullName = string.Empty;


if (sidId != null && sidId.Length > 0)
{
var ctx = new System.DirectoryServices.AccountManagement.PrincipalContext(ContextType.Domain, null);
using (var up = UserPrincipal.FindByIdentity(ctx, IdentityType.Sid, sidId))
{
samAccountName = up.SamAccountName;
fullName = up.Name;

return true;
}
}
return false;
}

up会被置为null?如果我在 AD 中选择另一个用户,那么它就可以正常工作。我怀疑 DomainUsers 是一个组,但我如何在 DirectoryEntry 上检查它?

致以最诚挚的问候

最佳答案

我突然想到:您是否考虑过检查返回结果的架构属性?我认为您可以使用 DirectoryEntry.SchemaEntry.Name 轻松地确定一个组。如果您的架构条目是一个组,它应该返回 group

引用:MSDN: DirectoryEntry.SchemaEntry


出于好奇,上面的代码有点离题:

 if (pathToAD.Length > 0)
objADAM = new DirectoryEntry();
else
objADAM = new DirectoryEntry(pathToAD);
objADAM.RefreshCache();

如果 Length>0,你不想使用 pathToAD 吗?

关于c# - 如何知道 DirectoryEntry 是用户还是组?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6354807/

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