@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The DsEnumerateDomainTrusts function obtains domain trust data for a specified domain. !!!!C# Signature: [DllImport("Netapi32.dll", CallingConvention=CallingConvention.Winapi, SetLastError=true, CharSet=CharSet.Auto)] private static extern uint DsEnumerateDomainTrusts(string ServerName, uint Flags, out IntPtr Domains, out uint DomainCount); !!!!VB Signature: Declare Function DsEnumerateDomainTrusts Lib "netapi32.dll" (TODO) As TODO !!!!User-Defined Types: [Flags] private enum DS_DOMAIN_TRUST_TYPE : uint { DS_DOMAIN_IN_FOREST = 0x0001, // Domain is a member of the forest DS_DOMAIN_DIRECT_OUTBOUND = 0x0002, // Domain is directly trusted DS_DOMAIN_TREE_ROOT = 0x0004, // Domain is root of a tree in the forest DS_DOMAIN_PRIMARY = 0x0008, // Domain is the primary domain of queried server DS_DOMAIN_NATIVE_MODE = 0x0010, // Primary domain is running in native mode DS_DOMAIN_DIRECT_INBOUND = 0x0020 // Domain is directly trusting } [StructLayout(LayoutKind.Sequential)] private struct DS_DOMAIN_TRUSTS { [MarshalAs(UnmanagedType.LPTStr)] public string NetbiosDomainName; [MarshalAs(UnmanagedType.LPTStr)] public string DnsDomainName; public uint Flags; public uint ParentIndex; public uint TrustType; public uint TrustAttributes; public IntPtr DomainSid; public Guid DomainGuid; } !!!!Alternative Managed API: Do you know one? Please contribute it! !!!!Notes: Domains is an [out] parameter that receives a pointer to an array of DS_DOMAIN_TRUSTS structures. Each structure in this array contains trust data about a domain. The caller must free this memory when it is no longer required by calling NetApiBufferFree. !!!!Tips & Tricks: Please add some! !!!!Sample Code: public class DomainLister { public static DS_DOMAIN_TRUSTS[] GetTrustedDomains() { // What trust types are we interested in ? uint trustTypes = (uint)(DS_DOMAIN_TRUST_TYPE.DS_DOMAIN_PRIMARY | DS_DOMAIN_TRUST_TYPE.DS_DOMAIN_DIRECT_OUTBOUND); IntPtr buf = new IntPtr(); uint numDomains = 0; DS_DOMAIN_TRUSTS[] trusts = new DS_DOMAIN_TRUSTS[0]; // Make the call - not doing anything special with the result value here uint result = DsEnumerateDomainTrusts(null, trustTypes, out buf, out numDomains); try { if((numDomains > 0) && (result == 0)) { // Marshal the received buffer to managed structs trusts = new DS_DOMAIN_TRUSTS[numDomains]; IntPtr iter = buf; for(int i=0; i < numDomains; i++) { trusts[i] = (DS_DOMAIN_TRUSTS)Marshal.PtrToStructure(iter, typeof(DS_DOMAIN_TRUSTS)); iter = (IntPtr)(iter.ToInt64() + (long)Marshal.SizeOf(typeof(DS_DOMAIN_TRUSTS))); } } } finally { // Make sure we free the buffer whatever happens NetApiBufferFree(buf); } return trusts; } [StructLayout(LayoutKind.Sequential)] public struct DS_DOMAIN_TRUSTS { [MarshalAs(UnmanagedType.LPTStr)] public string NetbiosDomainName; [MarshalAs(UnmanagedType.LPTStr)] public string DnsDomainName; public uint Flags; public uint ParentIndex; public uint TrustType; public uint TrustAttributes; public IntPtr DomainSid; public Guid DomainGuid; } [Flags] private enum DS_DOMAIN_TRUST_TYPE : uint { DS_DOMAIN_IN_FOREST = 0x0001, // Domain is a member of the forest DS_DOMAIN_DIRECT_OUTBOUND = 0x0002, // Domain is directly trusted DS_DOMAIN_TREE_ROOT = 0x0004, // Domain is root of a tree in the forest DS_DOMAIN_PRIMARY = 0x0008, // Domain is the primary domain of queried server DS_DOMAIN_NATIVE_MODE = 0x0010, // Primary domain is running in native mode DS_DOMAIN_DIRECT_INBOUND = 0x0020 // Domain is directly trusting } [DllImport("Netapi32.dll", CallingConvention=CallingConvention.Winapi, SetLastError=true, CharSet=CharSet.Auto)] private static extern uint DsEnumerateDomainTrusts(string ServerName, uint Flags, out IntPtr Domains, out uint DomainCount); [DllImport("Netapi32.dll",EntryPoint="NetApiBufferFree")] private static extern uint NetApiBufferFree(IntPtr buffer); } Documentation: DsEnumerateDomainTrusts@msdn on MSDN
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