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Fixed missing parameter checks.

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This commit is contained in:
Armin Novak 2017-11-14 13:58:55 +01:00
parent bd7e4cd35a
commit dbe418062f
1 changed files with 30 additions and 10 deletions
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36
libfreerdp/codec/planar.c
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@ -998,7 +998,7 @@ BYTE* freerdp_bitmap_planar_compress_plane_rle(const BYTE* inPlane,
return outPlane; return outPlane;
} }
static INLINE UINT32 freerdp_bitmap_planar_compress_planes_rle( static INLINE BOOL freerdp_bitmap_planar_compress_planes_rle(
BYTE* inPlanes[4], UINT32 width, UINT32 height, BYTE* inPlanes[4], UINT32 width, UINT32 height,
BYTE* outPlanes, UINT32* dstSizes, BOOL skipAlpha) BYTE* outPlanes, UINT32* dstSizes, BOOL skipAlpha)
{ {
@ -1015,7 +1015,7 @@ static INLINE UINT32 freerdp_bitmap_planar_compress_planes_rle(
if (!freerdp_bitmap_planar_compress_plane_rle( if (!freerdp_bitmap_planar_compress_plane_rle(
inPlanes[0], width, height, outPlanes, &dstSizes[0])) inPlanes[0], width, height, outPlanes, &dstSizes[0]))
return 0; return FALSE;
outPlanes += dstSizes[0]; outPlanes += dstSizes[0];
outPlanesSize -= dstSizes[0]; outPlanesSize -= dstSizes[0];
@ -1026,7 +1026,7 @@ static INLINE UINT32 freerdp_bitmap_planar_compress_planes_rle(
if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[1], width, height, if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[1], width, height,
outPlanes, &dstSizes[1])) outPlanes, &dstSizes[1]))
return 0; return FALSE;
outPlanes += dstSizes[1]; outPlanes += dstSizes[1];
outPlanesSize -= dstSizes[1]; outPlanesSize -= dstSizes[1];
@ -1035,7 +1035,7 @@ static INLINE UINT32 freerdp_bitmap_planar_compress_planes_rle(
if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[2], width, height, if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[2], width, height,
outPlanes, &dstSizes[2])) outPlanes, &dstSizes[2]))
return 0; return FALSE;
outPlanes += dstSizes[2]; outPlanes += dstSizes[2];
outPlanesSize -= dstSizes[2]; outPlanesSize -= dstSizes[2];
@ -1044,9 +1044,9 @@ static INLINE UINT32 freerdp_bitmap_planar_compress_planes_rle(
if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[3], width, height, if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[3], width, height,
outPlanes, &dstSizes[3])) outPlanes, &dstSizes[3]))
return 0; return FALSE;
return 1; return TRUE;
} }
BYTE* freerdp_bitmap_planar_delta_encode_plane(const BYTE* inPlane, BYTE* freerdp_bitmap_planar_delta_encode_plane(const BYTE* inPlane,
@ -1136,10 +1136,12 @@ BYTE* freerdp_bitmap_compress_planar(BITMAP_PLANAR_CONTEXT* context,
context->deltaPlanes)) context->deltaPlanes))
return NULL; return NULL;
if (freerdp_bitmap_planar_compress_planes_rle( if (!freerdp_bitmap_planar_compress_planes_rle(
context->deltaPlanes, width, height, context->deltaPlanes, width, height,
context->rlePlanesBuffer, dstSizes, context->rlePlanesBuffer, dstSizes,
context->AllowSkipAlpha) > 0) context->AllowSkipAlpha))
return NULL;
{ {
int offset = 0; int offset = 0;
FormatHeader |= PLANAR_FORMAT_HEADER_RLE; FormatHeader |= PLANAR_FORMAT_HEADER_RLE;
@ -1155,6 +1157,24 @@ BYTE* freerdp_bitmap_compress_planar(BITMAP_PLANAR_CONTEXT* context,
} }
} }
if (FormatHeader & PLANAR_FORMAT_HEADER_RLE)
{
if (!context->AllowRunLengthEncoding)
return NULL;
if (context->rlePlanes[0] == NULL)
return NULL;
if (context->rlePlanes[1] == NULL)
return NULL;
if (context->rlePlanes[2] == NULL)
return NULL;
if (context->rlePlanes[3] == NULL)
return NULL;
}
if (!dstData) if (!dstData)
{ {
size = 1; size = 1;