Mikko Rasa : secur32: Fill a SECBUFFER_MISSING buffer if the message is not complete.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 506af9205d62af2bd58e40c8b5f956e041a0ba8f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=506af9205d62af2bd58e40c8b5f956e041a0ba8f

Author: Mikko Rasa <tdb at tdb.fi>
Date:   Wed Sep 15 20:30:10 2010 +0300

secur32: Fill a SECBUFFER_MISSING buffer if the message is not complete.

---

 dlls/secur32/schannel.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/dlls/secur32/schannel.c b/dlls/secur32/schannel.c
index 78757ac..199c7ce 100644
--- a/dlls/secur32/schannel.c
+++ b/dlls/secur32/schannel.c
@@ -1244,6 +1244,15 @@ static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle
     if(buffer->cbBuffer < expected_size)
     {
         TRACE("Expected %u bytes, but buffer only contains %u bytes\n", expected_size, buffer->cbBuffer);
+        buffer->BufferType = SECBUFFER_MISSING;
+        buffer->cbBuffer = expected_size - buffer->cbBuffer;
+
+        /* This is a bit weird, but windows does it too */
+        idx = schan_find_sec_buffer_idx(message, 0, SECBUFFER_EMPTY);
+        buffer = &message->pBuffers[idx];
+        buffer->BufferType = SECBUFFER_MISSING;
+        buffer->cbBuffer = expected_size - buffer->cbBuffer;
+
         TRACE("Returning SEC_E_INCOMPLETE_MESSAGE\n");
         return SEC_E_INCOMPLETE_MESSAGE;
     }