<div class="content"><p> </p><p>The <b>S_DSGetGCListInDomain</b> method returns the list of <span><a href="993fa29f-3deb-494f-b4b4-492ee945735f#gt_a5a99ce4-e206-42dc-8874-e103934c5b0d" data-linktype="relative-path">Global
Catalog Servers</a></span> in the specified domain.</p><dl>
<dd>
<div><pre> HRESULT S_DSGetGCListInDomain(
   [in] handle_t hBind,
   [in, ptr] const wchar_t* lpwszComputerName,
   [in, ptr] const wchar_t* lpwszDomainName,
   [out, string] wchar_t** lplpwszGCList,
   [in] PCONTEXT_HANDLE_SERVER_AUTH_TYPE phServerAuth,
   [out, size_is(*pdwServerSignatureSize)] 
     unsigned char* pbServerSignature,
   [in, out] LPBOUNDED_SIGNATURE_SIZE pdwServerSignatureSize
 );
</pre></div>
</dd></dl><p><b>hBind: </b> MUST specify an <span><a href="993fa29f-3deb-494f-b4b4-492ee945735f#gt_8a7f6700-8311-45bc-af10-82e10accd331" data-linktype="relative-path">RPC</a></span> binding handle,
as specified in <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>
section <span><a href="../ms-rpce/a01f5886-c485-4bcf-bb23-e0d755510ab7" data-linktype="relative-path">2</a></span>.</p><p><b>lpwszComputerName: </b> MUST be set by the client to
NULL. The server will validate the NULL setting.</p><p><b>lpwszDomainName: </b> MUST be set by the client to the
domain name of the domain to query.</p><p><b>lplpwszGCList: </b> MUST be set by the server to the list
of Global Catalog Servers. The format of the list is a <span><a href="514fa07c-abc6-45d0-9e35-09a4e149dad7" data-linktype="relative-path">Server
Specification List String</a></span>.</p><p><b>phServerAuth: </b> A <span><a href="c28a1e6b-4092-4443-b69f-5814d5c4f9e4" data-linktype="relative-path">PCONTEXT_HANDLE_SERVER_AUTH_TYPE</a></span>
RPC context handle acquired from the <i>pphServerAuth</i> parameter in a
previous call to <span><a href="0e3ad7d0-6a64-480a-9f13-e94dd608d79d" data-linktype="relative-path">S_DSValidateServer</a></span>.
The server MUST use this parameter as a key to locate the GSS security context
used to compute the signature returned in <i>pbServerSignature</i>.</p><p><b>pbServerSignature: </b> MUST be set by the server to a
buffer that contains a signed hash over the returned list of Global Catalog
Servers (<i>lplpwszGCList</i>) calculated by using the MD5 algorithm (as
specified in <span><a href="https://go.microsoft.com/fwlink/?LinkId=90275" data-linktype="external">[RFC1321]</a></span>) and
the GSS security context, as specified by the following pseudocode. </p><dl>
<dd>
<div><pre> Initialize an MD5 Hash context
 Add to the hash context the DWORD value 0x00000001
 Add to the hash value the DWORD value of VT_BLOB
 SET cbSize to the size in bytes of the Server List string in 
     lplpwszGCList
 Add to the hash value the DWORD value cbSize
 Add to the hash context the contents of lplpwszGCList where the 
        length for the data is cbSize
 Call GSS_Wrap using the output_context_handle from GSS 
        security context and the computed MD5 hash
 SET pbServerSignature to the wrapped MD5 hash
 SET *pdwServerSignatureSize to the size of the wrapped MD5 hash
</pre></div>
</dd></dl><p><b>pdwServerSignatureSize: </b> MUST be set by the client to
point to a <span><a href="../ms-dtyp/262627d8-3418-4627-9218-4ffe110850b2" data-linktype="relative-path">DWORD</a></span>
that contains the maximum size in bytes of the server signature to return, and
MUST be set by the server to contain the actual size in bytes of the server
signature on output.</p><p><b>Return Values: </b> If the method succeeds, the return
value is MQ_OK (0x00000000). If the method fails, the return value is an
implementation-specific error code.</p><p><b>MQ_OK</b> (0x00000000)</p><p><b>Exceptions Thrown:</b> No exceptions are thrown beyond
those thrown by the underlying RPC protocol, Remote Procedure Call Protocol
Extensions, as specified in [MS-RPCE].</p></div>