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fixed parsing of FILEDESCRIPTORW in WinPR

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Armin Novak 2023-02-28 21:22:49 +01:00 committed by akallabeth
parent e3099fbbd0
commit e129ab749b
1 changed files with 7 additions and 5 deletions
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12
winpr/libwinpr/clipboard/synthetic_file.c
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@ -791,7 +791,6 @@ static void* convert_filedescriptors_to_file_list(wClipboard* clipboard, UINT32
const FILEDESCRIPTORW* descriptors = NULL;
UINT32 nrDescriptors = 0;
size_t count, x, alloc, pos, baseLength = 0;
const char* src = (const char*)data;
char* dst;
size_t header_len = strlen(header);
size_t lineprefix_len = strlen(lineprefix);
@ -810,16 +809,19 @@ static void* convert_filedescriptors_to_file_list(wClipboard* clipboard, UINT32
if (baseLength < 1)
return NULL;
if (clipboard->delegate.ClientRequestFileSize)
nrDescriptors = (UINT32)(src[3] << 24) | (UINT32)(src[2] << 16) | (UINT32)(src[1] << 8) |
(src[0] & 0xFF);
wStream sbuffer = { 0 };
wStream* s = Stream_StaticConstInit(&sbuffer, data, *pSize);
if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
return NULL;
Stream_Read_UINT32(s, nrDescriptors);
count = (*pSize - 4) / sizeof(FILEDESCRIPTORW);
if ((count < 1) || (count != nrDescriptors))
return NULL;
descriptors = (const FILEDESCRIPTORW*)&src[4];
descriptors = (const FILEDESCRIPTORW*)Stream_Pointer(s);
if (formatId != ClipboardGetFormatId(clipboard, mime_FileGroupDescriptorW))
return NULL;