reactos/wine
1
0
Fork 0
mirror of https://github.com/reactos/wine.git synced 2024-11-25 20:59:54 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

rpcrt4: Use abrtitrary pointer identifiers when marshalling pointers instead of using pointer values.

Browse Source 
This ensures that no information about the server memory layout is
leaked to clients.
This commit is contained in:
Rob Shearman 2008-06-20 10:15:17 +01:00 committed by Alexandre Julliard
parent 6cf9e441ad
commit 4bde42aaa2
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
dlls/rpcrt4/ndr_marshall.c
View File

@ -110,6 +110,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(ole);
ERR("buffer overflow %d bytes\n", _Msg->Buffer - ((unsigned char *)_Msg->RpcMsg->Buffer + _Msg->BufferLength)); \
} while (0)
#define NDR_POINTER_ID_BASE 0x20000
#define NDR_POINTER_ID(pStubMsg) (NDR_POINTER_ID_BASE + ((pStubMsg)->UniquePtrCount++) * 4)
#define NDR_TABLE_SIZE 128
#define NDR_TABLE_MASK 127
@ -1221,7 +1223,7 @@ static void PointerMarshall(PMIDL_STUB_MESSAGE pStubMsg,
pointer_needs_marshaling = 1;
else
pointer_needs_marshaling = 0;
pointer_id = (ULONG)Pointer;
pointer_id = Pointer ? NDR_POINTER_ID(pStubMsg) : 0;
TRACE("writing 0x%08x to buffer\n", pointer_id);
NDR_LOCAL_UINT32_WRITE(Buffer, pointer_id);
break;