Rob Shearman : rpcrt4: Allocate a context handle if a NULL GUID is being unmarshalled.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 576c9dc6fa227ba9536117f062703cf6e4c15bc0
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=576c9dc6fa227ba9536117f062703cf6e4c15bc0

Author: Rob Shearman <rob at codeweavers.com>
Date:   Sun Jan 13 20:52:25 2008 +0000

rpcrt4: Allocate a context handle if a NULL GUID is being unmarshalled.

---

 dlls/rpcrt4/ndr_contexthandle.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/rpcrt4/ndr_contexthandle.c b/dlls/rpcrt4/ndr_contexthandle.c
index 7334bf6..8ed8f66 100644
--- a/dlls/rpcrt4/ndr_contexthandle.c
+++ b/dlls/rpcrt4/ndr_contexthandle.c
@@ -320,6 +320,7 @@ NDR_SCONTEXT WINAPI NDRSContextUnmarshall2(RPC_BINDING_HANDLE hBinding,
     RpcBinding *binding = hBinding;
     NDR_SCONTEXT SContext;
     RPC_STATUS status;
+    const ndr_context_handle *context_ndr = pBuff;
 
     TRACE("(%p %p %08x %p %u)\n",
           hBinding, pBuff, DataRepresentation, CtxGuard, Flags);
@@ -330,12 +331,12 @@ NDR_SCONTEXT WINAPI NDRSContextUnmarshall2(RPC_BINDING_HANDLE hBinding,
     if (Flags & RPC_CONTEXT_HANDLE_FLAGS)
         FIXME("unimplemented flags: 0x%x\n", Flags & RPC_CONTEXT_HANDLE_FLAGS);
 
-    if (!pBuff)
+    if (!pBuff || (!context_ndr->attributes &&
+                   UuidIsNil((UUID *)&context_ndr->uuid, &status)))
         status = RpcServerAssoc_AllocateContextHandle(binding->Assoc, CtxGuard,
                                                       &SContext);
     else
     {
-        const ndr_context_handle *context_ndr = pBuff;
         if (context_ndr->attributes)
         {
             ERR("non-null attributes 0x%x\n", context_ndr->attributes);