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Fixed conversion range checks and cast for use with cairo

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This commit is contained in:
Armin Novak 2019-01-29 17:47:41 +01:00
parent b3ffdbbde1
commit cc050f1413
1 changed files with 12 additions and 4 deletions
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16
client/Wayland/wlfreerdp.c
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@ -584,10 +584,18 @@ BOOL wlf_copy_image(const void* src, size_t srcStride, size_t srcWidth, size_t s
const double sx = (double)dstWidth / (double)srcWidth;
const double sy = (double)dstHeight / (double)srcHeight;
cairo_t* cairo_context;
cairo_surface_t* csrc = cairo_image_surface_create_for_data(src, CAIRO_FORMAT_ARGB32, srcWidth,
srcHeight, srcStride);
cairo_surface_t* cdst = cairo_image_surface_create_for_data(dst, CAIRO_FORMAT_ARGB32, dstWidth,
dstHeight, dstStride);
cairo_surface_t *csrc, *cdst;
if ((srcWidth > INT_MAX) || (srcHeight > INT_MAX) || (srcStride > INT_MAX))
return FALSE;
if ((dstWidth > INT_MAX) || (dstHeight > INT_MAX) || (dstStride > INT_MAX))
return FALSE;
csrc = cairo_image_surface_create_for_data((void*)src, CAIRO_FORMAT_ARGB32, (int)srcWidth,
(int)srcHeight, (int)srcStride);
cdst = cairo_image_surface_create_for_data(dst, CAIRO_FORMAT_ARGB32, (int)dstWidth,
(int)dstHeight, (int)dstStride);
if (!csrc || !cdst)
goto fail;