[NTOSKRNL]

[reactos.git] / reactos / ntoskrnl / se / token.c

diff --git a/reactos/ntoskrnl/se/token.c b/reactos/ntoskrnl/se/token.c
index 44481d6..8f73312 100644 (file)
--- a/reactos/ntoskrnl/se/token.c
+++ b/reactos/ntoskrnl/se/token.c
@@ -1347,6 +1347,14 @@ NtQueryInformationToken(IN HANDLE TokenHandle,
                 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