[ekohl] 46370: [NTOSKRNL] Fail if you query a primary token for its impersonation level.

Author: ekohl
Date: Tue Mar 23 22:53:19 2010
New Revision: 46370

URL: http://svn.reactos.org/svn/reactos?rev=46370&view=rev
Log:
[NTOSKRNL]
Fail if you query a primary token for its impersonation level.

Modified:
    trunk/reactos/ntoskrnl/se/token.c

Modified: trunk/reactos/ntoskrnl/se/token.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/se/token.c?rev=46…
==============================================================================
--- trunk/reactos/ntoskrnl/se/token.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/se/token.c [iso-8859-1] Tue Mar 23 22:53:19 2010
@@ -1347,6 +1347,14 @@
                 PSECURITY_IMPERSONATION_LEVEL sil =
(PSECURITY_IMPERSONATION_LEVEL)TokenInformation;
                 
                 DPRINT("NtQueryInformationToken(TokenImpersonationLevel)\n");
+
+                /* Fail if the token is not an impersonation token */
+                if (Token->TokenType != TokenImpersonation)
+                {
+                    Status = STATUS_INVALID_INFO_CLASS;
+                    break;
+                }
+
                 RequiredLength = sizeof(SECURITY_IMPERSONATION_LEVEL);
                 
                 _SEH2_TRY