avifil32: Fix EditStreamSetInfo wine checks [try 2]

Alexandre Goujon ale.goujon at gmail.com
Sun Aug 15 13:24:11 CDT 2010


This version includes more tests and passes on my XP *and* WineTestBot VMs.
---
 dlls/avifil32/api.c        |    7 ++-
 dlls/avifil32/editstream.c |   17 ++-----
 dlls/avifil32/tests/api.c  |  106 +++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 113 insertions(+), 17 deletions(-)

diff --git a/dlls/avifil32/api.c b/dlls/avifil32/api.c
index 8ef75d3..642042e 100644
--- a/dlls/avifil32/api.c
+++ b/dlls/avifil32/api.c
@@ -2150,9 +2150,7 @@ HRESULT WINAPI EditStreamSetInfoA(PAVISTREAM pstream, LPAVISTREAMINFOA asi,
 
   TRACE("(%p,%p,%d)\n", pstream, asi, size);
 
-  if (pstream == NULL)
-    return AVIERR_BADHANDLE;
-  if ((DWORD)size < sizeof(AVISTREAMINFOA))
+  if (size >= 0 && size < sizeof(AVISTREAMINFOA))
     return AVIERR_BADSIZE;
 
   memcpy(&asiw, asi, sizeof(asiw) - sizeof(asiw.szName));
@@ -2173,6 +2171,9 @@ HRESULT WINAPI EditStreamSetInfoW(PAVISTREAM pstream, LPAVISTREAMINFOW asi,
 
   TRACE("(%p,%p,%d)\n", pstream, asi, size);
 
+  if (size >= 0 && size < sizeof(AVISTREAMINFOW))
+    return AVIERR_BADSIZE;
+
   hr = IAVIStream_QueryInterface(pstream, &IID_IAVIEditStream,(LPVOID*)&pEdit);
   if (SUCCEEDED(hr) && pEdit != NULL) {
     hr = IAVIEditStream_SetInfo(pEdit, asi, size);
diff --git a/dlls/avifil32/editstream.c b/dlls/avifil32/editstream.c
index f19f3ac..595413e 100644
--- a/dlls/avifil32/editstream.c
+++ b/dlls/avifil32/editstream.c
@@ -775,23 +775,16 @@ static HRESULT WINAPI IAVIEditStream_fnSetInfo(IAVIEditStream*iface,
   TRACE("(%p,%p,%d)\n",iface,asi,size);
 
   /* check parameters */
-  if (asi == NULL)
-    return AVIERR_BADPARAM;
-  if (size != sizeof(AVISTREAMINFOW))
+  if (size >= 0 && size < sizeof(AVISTREAMINFOW))
     return AVIERR_BADSIZE;
-  if (asi->dwScale == 0 || asi->dwRate == 0 || (LONG)asi->dwQuality < -1 ||
-      asi->dwQuality > ICQUALITY_HIGH)
-    return AVIERR_ERROR;
 
   This->sInfo.wLanguage = asi->wLanguage;
   This->sInfo.wPriority = asi->wPriority;
   This->sInfo.dwStart   = asi->dwStart;
-  if (asi->dwRate != 0)
-    This->sInfo.dwRate  = asi->dwRate;
-  if (asi->dwScale != 0)
-    This->sInfo.dwScale = asi->dwScale;
-  if (asi->dwQuality <= ICQUALITY_HIGH)
-    This->sInfo.dwQuality = ICQUALITY_HIGH;
+  This->sInfo.dwRate    = asi->dwRate;
+  This->sInfo.dwScale   = asi->dwScale;
+  This->sInfo.dwQuality = asi->dwQuality;
+
   CopyRect(&This->sInfo.rcFrame, &asi->rcFrame);
   memcpy(This->sInfo.szName, asi->szName, sizeof(asi->szName));
   This->sInfo.dwEditCount++;
diff --git a/dlls/avifil32/tests/api.c b/dlls/avifil32/tests/api.c
index fe295bf..60f269d 100644
--- a/dlls/avifil32/tests/api.c
+++ b/dlls/avifil32/tests/api.c
@@ -171,6 +171,107 @@ static DWORD data[] =
 
 /* ########################### */
 
+static void test_EditStreamSetInfo(void)
+{
+    PAVISTREAM stream = NULL;
+    HRESULT hres;
+    AVISTREAMINFO info, info2;
+
+    hres = CreateEditableStream(&stream, NULL);
+    ok(hres == AVIERR_OK, "got 0x%08X, expected AVIERR_OK\n", hres);
+
+
+    /*
+    The following test crashes so there is no NULL check for the first parameter
+    hres = EditStreamSetInfo(NULL, &info, sizeof(AVISTREAMINFO) );
+    */
+
+    hres = EditStreamSetInfo(stream, NULL, 0);
+    ok( hres == AVIERR_BADSIZE, "got 0x%08X, expected AVIERR_BADSIZE\n", hres);
+
+    hres = EditStreamSetInfo(stream, NULL, sizeof(AVISTREAMINFO)-1 );
+    ok( hres == AVIERR_BADSIZE, "got 0x%08X, expected AVIERR_BADSIZE\n", hres);
+
+    /*
+    The following test crashes so :
+        the size is checked
+        if the size is correct, there is not NULL check for the second argument
+    hres = EditStreamSetInfo(stream, NULL, sizeof(AVISTREAMINFO) );
+
+    The following test passes on my XP but not with WineTestBot VMs.
+    hres = EditStreamSetInfo(stream, NULL, sizeof(AVISTREAMINFO)+1 );
+    ok( hres == AVIERR_BADSIZE, "got 0x%08X, expected AVIERR_BADSIZE\n", hres);
+
+    This one crashes too
+    hres = EditStreamSetInfo(stream, NULL, -1);
+    ok( hres == AVIERR_BADSIZE, "got 0x%08X, expected AVIERR_BADSIZE\n", hres);
+
+    So instead of checking if size != sizeof(), I'll check if size >= 0 and size < sizeof()
+    */
+
+    hres = AVIStreamInfo(stream, &info, sizeof(AVISTREAMINFO) );
+    ok( hres == 0, "got 0x%08X, expected 0\n", hres);
+
+#define TEST_SETINFO_(m) \
+    hres = EditStreamSetInfo(stream, &info, sizeof(AVISTREAMINFO) ); \
+    ok( hres == 0, "got 0x%08X, expected 0\n", hres); \
+    hres = AVIStreamInfo(stream, &info2, sizeof(AVISTREAMINFO) ); \
+    ok( hres == 0, "got 0x%08X, expected 0\n", hres); \
+    ok( info2.m == info.m, "EditStreamSetInfo did not update "#m" parameter\n" );
+
+#define TEST_SETINFO(m) \
+    info.m++; \
+    TEST_SETINFO_(m); \
+    \
+    info.m = 0; \
+    TEST_SETINFO_(m);
+    
+
+    TEST_SETINFO(dwStart)
+    TEST_SETINFO(wPriority)
+    TEST_SETINFO(wLanguage)
+    TEST_SETINFO(dwScale)
+    TEST_SETINFO(dwRate)
+    TEST_SETINFO(dwQuality)
+
+    info.dwQuality = -2;
+    TEST_SETINFO_(dwQuality)
+
+    info.dwQuality = ICQUALITY_HIGH + 1;
+    TEST_SETINFO_(dwQuality)
+
+    info.rcFrame.left = 0;
+    TEST_SETINFO_(rcFrame.left)
+
+    info.rcFrame.top = 0;
+    TEST_SETINFO_(rcFrame.top)
+
+    info.rcFrame.right = 0;
+    TEST_SETINFO_(rcFrame.right)
+
+    info.rcFrame.bottom = 0;
+    TEST_SETINFO_(rcFrame.bottom)
+
+    info.rcFrame.left = -1;
+    TEST_SETINFO_(rcFrame.left)
+
+    info.rcFrame.top = -1;
+    TEST_SETINFO_(rcFrame.top)
+
+    info.rcFrame.right = -1;
+    TEST_SETINFO_(rcFrame.right)
+
+    info.rcFrame.bottom = -1;
+    TEST_SETINFO_(rcFrame.bottom)
+
+    /* All these tests prove that EditStreamSetInfo does not check the stream info. So do we. */
+
+    AVIStreamRelease(stream);
+#undef TEST_SETINFO
+#undef TEST_SETINFO_
+}
+
+
 static void test_AVISaveOptions(void)
 {
     AVICOMPRESSOPTIONS options[2];
@@ -194,11 +295,11 @@ static void test_AVISaveOptions(void)
 
     SetLastError(0xdeadbeef);
     hres = EditStreamSetNameA(streams[0], winetest0);
-    todo_wine ok(hres == AVIERR_OK, "0: got 0x%x (expected AVIERR_OK)\n", hres);
+    ok(hres == AVIERR_OK, "0: got 0x%x (expected AVIERR_OK)\n", hres);
 
     SetLastError(0xdeadbeef);
     hres = EditStreamSetNameA(streams[1], winetest1);
-    todo_wine ok(hres == AVIERR_OK, "1: got 0x%x (expected AVIERR_OK)\n", hres);
+    ok(hres == AVIERR_OK, "1: got 0x%x (expected AVIERR_OK)\n", hres);
 
     if (winetest_interactive) {
         SetLastError(0xdeadbeef);
@@ -451,6 +552,7 @@ START_TEST(api)
 {
 
     AVIFileInit();
+    test_EditStreamSetInfo();
     test_AVISaveOptions();
     test_default_data();
     test_amh_corruption();
-- 
1.7.0.4




More information about the wine-patches mailing list