<div class="content"><p>The AuthzGetInformationFromContext method (opnum 4) returns
information about the identified <a href="c83d08f7-2128-4124-9674-3f5c23739ff9#gt_519bff3c-1c9f-4d5a-aa88-a3c820a4ff3a" data-linktype="relative-path">client context</a>.</p><dl>
<dd>
<div><pre> DWORD AuthzGetInformationFromContext(
         [in] AUTHZR_HANDLE ContextHandle,
         [in] AUTHZ_CONTEXT_INFORMATION_CLASS InfoClass,
         [out] AUTHZR_CONTEXT_INFORMATION** ppContextInformation);
  
</pre></div>
</dd></dl><p><b>ContextHandle:</b> An AUTHZR_HANDLE structure, as
defined in section <a href="4c1628c5-8093-471e-a3b8-8437420063ba" data-linktype="relative-path">2.2.1.1</a>.
Represents the client context to retrieve information from.</p><p><b>InfoClass:</b> An AUTHZ_CONTEXT_INFORMATION_CLASS
enumeration, as defined in section <a href="39749c89-99ca-4058-974d-acfcfe1f7b33" data-linktype="relative-path">2.2.2.1</a>. Possible values
for this field are specified in section 2.2.2.1.</p><p><b>ppContextInformation:</b> A two-layer pointer to
an AUTHZR_CONTEXT_INFORMATION structure, as defined in section <a href="7b11e558-cdaa-469d-906e-867fc336bd78" data-linktype="relative-path">2.2.3.3</a>. Used to return
the context information.</p><p><b>Return Values:</b></p><p>If the function succeeds, the function MUST return
0x00000000. </p><p>If the function fails, it MUST return a nonzero error code
value.</p><p>When a RAZA server receives this message, the server MUST
perform the following:</p><ul><li><p><span><span> 
</span></span>If the <i>InfoClass</i> parameter is one of the following values,
the RAZA server MUST:</p>
<ol><li><p><span>   
</span>Initialize a new AUTHZR_CONTEXT_INFORMATION structure.</p>
</li><li><p><span>   
</span>Set the <i>ppContextInformation</i> parameter to the memory address of
the new structure.</p>
</li><li><p><span>   
</span>Perform the corresponding action using the <b>ImpersonationAccessToken</b>
in the <b>ClientContext</b> object identified in the <i>ContextHandle</i>
parameter:</p>
<ul><li><p><span><span> 
</span></span><b>AuthzContextInfoUserSid</b> (1):</p>
<ol><li><p><span>    </span>Set the <b>ValueType</b>
member in the new AUTHZR_CONTEXT_INFORMATION object to 1.</p>
</li><li><p><span>    </span>Set the <b>pTokenUser</b>
member of the new AUTHZR_CONTEXT_INFORMATION object to the address of the
element at the <b>ImpersonationAccessToken.UserIndex</b> of the <b>ImpersonationAccessToken.Sids</b>
array.</p>
</li></ol></li><li><p><span><span> 
</span></span><b>AuthzContextInfoGroupsSids</b> (2):</p>
<ol><li><p><span>    </span>Set the <b>ValueType</b>
member in the new AUTHZR_CONTEXT_INFORMATION object to 2.</p>
</li><li><p><span>    </span>Set the <b>pTokenGroups</b>
member of the new AUTHZR_CONTEXT_INFORMATION object to the value of the <b>ImpersonationAccessToken.Sids</b>
member.</p>
</li></ol></li><li><p><span><span> 
</span></span><b>AuthzContextInfoRestrictedSids</b> (3):</p>
<ol><li><p><span>    </span>Set the <b>ValueType</b>
member in the new AUTHZR_CONTEXT_INFORMATION object to 3.</p>
</li><li><p><span>    </span>Set the <b>pTokenGroups</b>
member of the new AUTHZR_CONTEXT_INFORMATION object to the value of the <b>ImpersonationAccessToken.RestrictedSids</b>
member.</p>
</li></ol></li><li><p><span><span> 
</span></span><b>AuthzContextInfoDeviceSids</b> (12):</p>
<ol><li><p><span>    </span>Set the <b>ValueType</b>
member in the new AUTHZR_CONTEXT_INFORMATION object to 12.</p>
</li><li><p><span>    </span>Set the <b>pTokenGroups</b>
member of the new AUTHZR_CONTEXT_INFORMATION object to the value of the <b>ImpersonationAccessToken.DeviceSids</b>
member.</p>
</li></ol></li><li><p><span><span> 
</span></span><b>AuthzContextInfoUserClaims</b> (13):</p>
<ol><li><p><span>    </span>Set the <b>ValueType</b>
member in the new AUTHZR_CONTEXT_INFORMATION object to 13.</p>
</li><li><p><span>    </span>Set the <b>pTokenClaims</b>
member of the new AUTHZR_CONTEXT_INFORMATION object to the value of the <b>ImpersonationAccessToken.Claims</b>
member.</p>
</li></ol></li><li><p><span><span> 
</span></span><b>AuthzContextInfoDeviceClaims</b> (14):</p>
<ol><li><p><span>    </span>Set the <b>ValueType</b>
member in the new AUTHZR_CONTEXT_INFORMATION object to 14.</p>
</li><li><p><span>    </span>Set the <b>pTokenClaims</b>
member of the new AUTHZR_CONTEXT_INFORMATION object to the value of the <b>ImpersonationAccessToken.DeviceClaims</b>
member.</p>
</li></ol></li></ul></li></ol></li><li><p><span><span> 
</span></span>If the <i>InfoClass</i> parameter is any other value, the
requested information is not supported. The RAZA server MUST set <i>ppContextInformation</i>
to NULL and return a nonzero error code value.</p>
</li></ul></div>