From 497b80246e40506f96271bc69e253c9c3083a12b Mon Sep 17 00:00:00 2001 From: Matt Oliver Date: Tue, 31 Dec 2019 02:59:39 +1100 Subject: [PATCH] avutil/hwcontext_d3d11va: Use secure dlopen. dlopen contains additional security to prevent dll hijacking compared to standard LoadLibrary. --- libavutil/hwcontext_d3d11va.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavutil/hwcontext_d3d11va.c b/libavutil/hwcontext_d3d11va.c index 6670c47579..c8ae58f908 100644 --- a/libavutil/hwcontext_d3d11va.c +++ b/libavutil/hwcontext_d3d11va.c @@ -39,6 +39,7 @@ #include "pixdesc.h" #include "pixfmt.h" #include "thread.h" +#include "compat/w32dlfcn.h" typedef HRESULT(WINAPI *PFN_CREATE_DXGI_FACTORY)(REFIID riid, void **ppFactory); @@ -55,8 +56,8 @@ static av_cold void load_functions(void) // from too many LoadLibrary calls. HANDLE d3dlib, dxgilib; - d3dlib = LoadLibrary("d3d11.dll"); - dxgilib = LoadLibrary("dxgi.dll"); + d3dlib = dlopen("d3d11.dll", 0); + dxgilib = dlopen("dxgi.dll", 0); if (!d3dlib || !dxgilib) return; -- 2.24.1.windows.2