<div class="content"><p> </p><p>The <b>FAX_GetSecurityEx (Opnum 81)</b> method is called by
the clients to retrieve information about the fax security descriptor from the
fax server.<a id="Appendix_A_Target_134"></a><a aria-label="Product behavior note 134" href="056171e7-80bc-45ff-8107-66ba3abb2023#Appendix_A_134" data-linktype="relative-path">&lt;134&gt;</a></p><p>Protocol version FAX_API_VERSION_3 (0x00030000) fax servers
SHOULD fail this call by returning ERROR_NOT_SUPPORTED (0x00000032). The fax
client SHOULD NOT call this method if the protocol version reported by the
server is FAX_API_VERSION_3 (0x00030000). For more information, see <b>FAX_ConnectFaxServer</b>
(section <span><a href="5cbfd38d-7a14-4560-ad24-9ed78f19a3bb" data-linktype="relative-path">3.1.4.1.10</a></span>). The
fax client SHOULD call the <b>FAX_GetSecurityEx2</b> (section <span><a href="1329d57f-f436-4477-b788-d4fb229bd90f" data-linktype="relative-path">3.1.4.1.60</a></span>)
method instead.</p><p>The server MUST validate that the client&#39;s fax user account
has access to retrieve security information. On success, the server MUST return
the fax security descriptor in <i>pSecurityDescriptor</i>.</p><p>The client SHOULD free <i>pSecurityDescriptor</i>.</p><dl>
<dd>
<div><pre> error_status_t FAX_GetSecurityEx(
   [in] handle_t hBinding,
   [in] SECURITY_INFORMATION SecurityInformation,
   [out, size_is(, *lpdwBufferSize)] 
     LPBYTE* pSecurityDescriptor,
   [out, ref] LPDWORD lpdwBufferSize
 );
</pre></div>
</dd></dl><p><b>hBinding: </b>The RPC binding handle for this
call. The client SHOULD reuse the RPC binding handle used as an input <i>hBinding</i>
argument for the <b>FAX_ConnectFaxServer</b> or <b>FAX_ConnectionRefCount</b>
(section <span><a href="a92941ac-bd07-4a71-af85-c2c157c97cf9" data-linktype="relative-path">3.1.4.1.11</a></span>) method
call used to connect to the fax server.</p><p><b>SecurityInformation: </b>Defines the desired
entries, which are indicated as a bitwise OR operation, in the security
descriptor to return.</p><dl>
<dd>
<p><i>SecurityInformation</i> MUST be a bitwise
combination of the following four values only found in the <b>SECURITY_INFORMATION</b>
(<span><a href="../ms-dtyp/cca27429-5689-4a16-b2b4-9325d93e4ba2" data-linktype="relative-path">[MS-DTYP]</a></span>
section <span><a href="../ms-dtyp/23e75ca3-98fd-4396-84e5-86cd9d40d343" data-linktype="relative-path">2.4.7</a></span>)
datatype:</p>
</dd></dl><p><span>§<span>  </span></span>OWNER_SECURITY_INFORMATION
0x00000001</p><p><span>§<span>  </span></span>GROUP_SECURITY_INFORMATION
0x00000002</p><p><span>§<span>  </span></span>DACL_SECURITY_INFORMATION
0x00000004</p><p><span>§<span>  </span></span>SACL_SECURITY_INFORMATION
0x00000008</p><p><b>pSecurityDescriptor: </b>A pointer to a <b>SECURITY_DESCRIPTOR</b>.</p><p><b>lpdwBufferSize: </b>A pointer to a <b>DWORD</b>
([MS-DTYP] section <span><a href="../ms-dtyp/262627d8-3418-4627-9218-4ffe110850b2" data-linktype="relative-path">2.2.9</a></span>)
value that indicates the size of the <i>pSecurityDescriptor</i> buffer.</p><p><b>Return Values: </b>This method MUST return
0x00000000 (ERROR_SUCCESS) for success; otherwise, it MUST return one of the
following error codes, one of the fax-specific errors that are defined in
section <span><a href="cbe6c4fb-4dda-4f6c-9701-0d490ba0d105" data-linktype="relative-path">2.2.52</a></span>, or one of
the other standard errors defined in <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>
section <span><a href="../ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d" data-linktype="relative-path">2.2</a></span>.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>ERROR_ACCESS_DENIED</p>
  <p>0x00000005</p>
  </td>
  <td>
  <p>Access is denied. This error code is returned if any
  of the following conditions occur:</p>
  <p><span>§<span>  
  </span></span>The client&#39;s fax user account does not have READ_CONTROL access
  but the requesting <i>SecurityInformation</i> parameter contains one of these
  flags: GROUP_SECURITY_INFORMATION, DACL_SECURITY_INFORMATION, or
  OWNER_SECURITY_INFORMATION.</p>
  <p><span>§<span>  
  </span></span>The client&#39;s fax user account does not have
  ACCESS_SYSTEM_SECURITY but the <i>SecurityInformation</i> contains the flag
  SACL_SECURITY_INFORMATION.</p>
  </td>
 </tr><tr>
  <td>
  <p>ERROR_NOT_ENOUGH_MEMORY</p>
  <p>0x00000008</p>
  </td>
  <td>
  <p>Not enough storage is available to process this
  command.</p>
  </td>
 </tr><tr>
  <td>
  <p>ERROR_INVALID_PARAMETER</p>
  <p>0x00000057</p>
  </td>
  <td>
  <p>The parameter is incorrect. This is returned when the <i>pSecurityDescriptor</i>
  parameter is NULL.</p>
  </td>
 </tr><tr>
  <td>
  <p>ERROR_INVALID_SECURITY_DESCR</p>
  <p>0x0000053A</p>
  </td>
  <td>
  <p>The security descriptor structure is invalid.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p><b>Exceptions Thrown:</b> No exceptions are thrown
except those that are thrown by the underlying <span><a href="46aba9c4-ebb1-4b10-86ac-4bb3025657b9#gt_8a7f6700-8311-45bc-af10-82e10accd331" data-linktype="relative-path">RPC</a></span> protocol, <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>.</p></div>