Rico Schüller : d3dcompiler: Add argument check in D3DReflect().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 14d8b51bacf2c46c27d79c87249efecf00f4eb39
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=14d8b51bacf2c46c27d79c8724...

Author: Rico Schüller 
Date:   Tue Feb 15 19:07:47 2011 +0100

d3dcompiler: Add argument check in D3DReflect().

---

dlls/d3dcompiler_43/d3dcompiler_43_main.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/dlls/d3dcompiler_43/d3dcompiler_43_main.c b/dlls/d3dcompiler_43/d3dcompiler_43_main.c
index 365b631..7e130fd 100644
--- a/dlls/d3dcompiler_43/d3dcompiler_43_main.c
+++ b/dlls/d3dcompiler_43/d3dcompiler_43_main.c
@@ -128,9 +128,22 @@ HRESULT WINAPI D3DReflect(const void *data, SIZE_T data_size, REFIID riid, void
 {
     struct d3dcompiler_shader_reflection *object;
     HRESULT hr;
+    const DWORD *temp = data;

TRACE("data %p, data_size %lu, riid %s, blob %p\n", data, data_size, debugstr_guid(riid), reflector);

+    if (!data || data_size < 32)
+    {
+        WARN("Invalid argument supplied.\n");
+        return D3DERR_INVALIDCALL;
+    }
+
+    if (temp[6] != data_size)
+    {
+        WARN("Wrong size supplied.\n");
+        return E_FAIL;
+    }
+
     if (!IsEqualGUID(riid, &IID_ID3D11ShaderReflection))
     {
         WARN("Wrong riid %s, accept only %s!\n", debugstr_guid(riid), debugstr_guid(&IID_ID3D11ShaderReflection));