rpcrt4: Reset the BufferLength to the used part of the buffer in NdrProxySendReceive.

This avoids sending uninitialised data on the wire.

rpcrt4: Reset the BufferLength to the used part of the buffer in NdrProxySendReceive.
182a2ae3 · Rob Shearman · Alexandre Julliard · d5a8875b · 182a2ae3
Commit 182a2ae3 authored Jul 01, 2008 by Rob Shearman Committed by Alexandre Julliard Jul 02, 2008
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cproxy.c dlls/rpcrt4/cproxy.c +2 -0

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--- a/dlls/rpcrt4/cproxy.c
+++ b/dlls/rpcrt4/cproxy.c
@@ -385,6 +385,8 @@ void WINAPI NdrProxySendReceive(void *This,
  }
  pStubMsg->dwStubPhase = PROXY_SENDRECEIVE;
+  /* avoid sending uninitialised parts of the buffer on the wire */
+  pStubMsg->RpcMsg->BufferLength = pStubMsg->Buffer - (unsigned char *)pStubMsg->RpcMsg->Buffer;
  hr = IRpcChannelBuffer_SendReceive(pStubMsg->pRpcChannelBuffer,
                                    (RPCOLEMESSAGE*)pStubMsg->RpcMsg,
                                    &Status);