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ole32: Do not pass around untyped context section pointers. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2019-10-29 16:36:05 +03:00 committed by Alexandre Julliard
parent 1e6b130b85
commit ce15bc1f02
1 changed files with 20 additions and 16 deletions
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36
dlls/ole32/compobj.c
View File

@ -145,19 +145,25 @@ struct progidredirect_data
ULONG clsid_offset;
};
enum class_reg_data_origin
{
CLASS_REG_ACTCTX,
CLASS_REG_REGISTRY,
};
struct class_reg_data
{
enum class_reg_data_origin origin;
union
{
struct
{
struct comclassredirect_data *data;
void *section;
const WCHAR *module_name;
DWORD threading_model;
HANDLE hactctx;
} actctx;
HKEY hkey;
} u;
BOOL hkey;
};
struct registered_psclsid
@ -1408,7 +1414,7 @@ static BOOL get_object_dll_path(const struct class_reg_data *regdata, WCHAR *dst
{
DWORD ret;
if (regdata->hkey)
if (regdata->origin == CLASS_REG_REGISTRY)
{
DWORD keytype;
WCHAR src[MAX_PATH];
@ -1437,12 +1443,10 @@ static BOOL get_object_dll_path(const struct class_reg_data *regdata, WCHAR *dst
{
static const WCHAR dllW[] = {'.','d','l','l',0};
ULONG_PTR cookie;
WCHAR *nameW;
*dst = 0;
nameW = (WCHAR*)((BYTE*)regdata->u.actctx.section + regdata->u.actctx.data->name_offset);
ActivateActCtx(regdata->u.actctx.hactctx, &cookie);
ret = SearchPathW(NULL, nameW, dllW, dstlen, dst, NULL);
ret = SearchPathW(NULL, regdata->u.actctx.module_name, dllW, dstlen, dst, NULL);
DeactivateActCtx(0, cookie);
return *dst != 0;
}
@ -2990,7 +2994,7 @@ HRESULT WINAPI CoRegisterClassObject(
static enum comclass_threadingmodel get_threading_model(const struct class_reg_data *data)
{
if (data->hkey)
if (data->origin == CLASS_REG_REGISTRY)
{
static const WCHAR wszThreadingModel[] = {'T','h','r','e','a','d','i','n','g','M','o','d','e','l',0};
static const WCHAR wszApartment[] = {'A','p','a','r','t','m','e','n','t',0};
@ -3014,7 +3018,7 @@ static enum comclass_threadingmodel get_threading_model(const struct class_reg_d
return ThreadingModel_No;
}
else
return data->u.actctx.data->model;
return data->u.actctx.threading_model;
}
static HRESULT get_inproc_class_object(APARTMENT *apt, const struct class_reg_data *regdata,
@ -3098,7 +3102,7 @@ HRESULT WINAPI DECLSPEC_HOTPATCH CoGetClassObject(
REFCLSID rclsid, DWORD dwClsContext, COSERVERINFO *pServerInfo,
REFIID iid, LPVOID *ppv)
{
struct class_reg_data clsreg;
struct class_reg_data clsreg = { 0 };
IUnknown *regClassObject;
HRESULT hres = E_UNEXPECTED;
APARTMENT *apt;
@ -3144,10 +3148,10 @@ HRESULT WINAPI DECLSPEC_HOTPATCH CoGetClassObject(
{
struct comclassredirect_data *comclass = (struct comclassredirect_data*)data.lpData;
clsreg.u.actctx.module_name = (WCHAR *)((BYTE *)data.lpSectionBase + comclass->name_offset);
clsreg.u.actctx.hactctx = data.hActCtx;
clsreg.u.actctx.data = data.lpData;
clsreg.u.actctx.section = data.lpSectionBase;
clsreg.hkey = FALSE;
clsreg.u.actctx.threading_model = comclass->model;
clsreg.origin = CLASS_REG_ACTCTX;
hres = get_inproc_class_object(apt, &clsreg, &comclass->clsid, iid, !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
ReleaseActCtx(data.hActCtx);
@ -3197,7 +3201,7 @@ HRESULT WINAPI DECLSPEC_HOTPATCH CoGetClassObject(
if (SUCCEEDED(hres))
{
clsreg.u.hkey = hkey;
clsreg.hkey = TRUE;
clsreg.origin = CLASS_REG_REGISTRY;
hres = get_inproc_class_object(apt, &clsreg, rclsid, iid, !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
RegCloseKey(hkey);
@ -3233,7 +3237,7 @@ HRESULT WINAPI DECLSPEC_HOTPATCH CoGetClassObject(
if (SUCCEEDED(hres))
{
clsreg.u.hkey = hkey;
clsreg.hkey = TRUE;
clsreg.origin = CLASS_REG_REGISTRY;
hres = get_inproc_class_object(apt, &clsreg, rclsid, iid, !(dwClsContext & WINE_CLSCTX_DONT_HOST), ppv);
RegCloseKey(hkey);
@ -5171,7 +5175,7 @@ HRESULT Handler_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
WCHAR dllpath[MAX_PATH+1];
regdata.u.hkey = hkey;
regdata.hkey = TRUE;
regdata.origin = CLASS_REG_REGISTRY;
if (get_object_dll_path(&regdata, dllpath, ARRAY_SIZE(dllpath)))
{