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winhttp: Append mask to output frame even if buffer length is zero. 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2022-01-27 02:03:05 +03:00 committed by Alexandre Julliard
parent f88507a4fd
commit 67252dec22
1 changed files with 6 additions and 9 deletions
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15
dlls/winhttp/request.c
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@ -3174,8 +3174,7 @@ static DWORD send_frame( struct socket *socket, enum socket_opcode opcode, USHOR
offset += 8;
}
buffer_size = len + offset;
if (len) buffer_size += 4;
buffer_size = len + offset + 4;
assert( buffer_size - len < MAX_FRAME_BUFFER_SIZE );
if (ovr && buffer_size > MAX_FRAME_BUFFER_SIZE) return WSAEWOULDBLOCK;
if (buffer_size > socket->send_frame_buffer_size && socket->send_frame_buffer_size < MAX_FRAME_BUFFER_SIZE)
@ -3196,13 +3195,11 @@ static DWORD send_frame( struct socket *socket, enum socket_opcode opcode, USHOR
memcpy(ptr, hdr, offset);
ptr += offset;
if (len)
{
mask = &hdr[offset];
RtlGenRandom( mask, 4 );
memcpy( ptr, mask, 4 );
ptr += 4;
}
mask = &hdr[offset];
RtlGenRandom( mask, 4 );
memcpy( ptr, mask, 4 );
ptr += 4;
if (opcode == SOCKET_OPCODE_CLOSE) /* prepend status code */
{