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[0.4.14][MSAFD] Workaround regression CORE-15804

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To fix 'MSTSC fails to connect with error "ERROR: Bad packet header"'
which regressed by 0.4.12-dev-752-g
6bc61f63f1

In 0.4.12 and 0.4.13 releases I totally reverted
Pierre Schweitzer's work instead.

Thanks to Doug Lyons, author of this new workaround,
we can keep Pierre's work.
We think MSAFD is a better place to workaround than
our MSTSC binary, because our MSTSC runs fine on
W2K3SP2.

fix cherry picked from commit 0.4.15-dev-211-g
666fe66fe9
This commit is contained in:
Joachim Henze 2020-05-13 02:39:37 +02:00
parent 63217a736b
commit 39c8537e20
1 changed files with 4 additions and 0 deletions
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4
dll/win32/msafd/misc/dllmain.c
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@ -2890,6 +2890,10 @@ WSPSetSockOpt(
return SOCKET_ERROR;
}
/* FIXME: We should not have to limit the packet receive buffer size like this. workaround for CORE-15804 */
if (*(PULONG)optval > 0x2000)
*(PULONG)optval = 0x2000;
SetSocketInformation(Socket,
AFD_INFO_RECEIVE_WINDOW_SIZE,
NULL,