r21100: Add the RPC hack fix to adddriver as well as adddriverex.

Thanks to Martin Zielinski <mz@seh.de>.
Jeremy.
(This used to be commit d18a3f8b72f0f4cf0aa5b599f36ce3f4125adac3)

diff --git a/source3/rpc_server/srv_spoolss.c b/source3/rpc_server/srv_spoolss.c
index dcc357f8040ca8517d30878220224124ade113f2..c9ff9697e0ac1d07d23a19796ab522716bac2d6b 100755 (executable)
--- a/source3/rpc_server/srv_spoolss.c
+++ b/source3/rpc_server/srv_spoolss.c
@@ -910,6 +910,15 @@ static BOOL api_spoolss_addprinterdriver(pipes_struct *p)
        ZERO_STRUCT(r_u);
        
        if(!spoolss_io_q_addprinterdriver("", &q_u, data, 0)) {
+               if (q_u.level != 3 && q_u.level != 6) {
+                       /* Clever hack from Martin Zielinski <mz@seh.de>
+                        * to allow downgrade from level 8 (Vista).
+                        */
+                       DEBUG(3,("api_spoolss_addprinterdriver: unknown SPOOL_Q_ADDPRINTERDRIVER level %u.\n",
+                               (unsigned int)q_u.level ));
+                       setup_fault_pdu(p, NT_STATUS(DCERPC_FAULT_INVALID_TAG));
+                       return True;
+               }
                DEBUG(0,("spoolss_io_q_addprinterdriver: unable to unmarshall SPOOL_Q_ADDPRINTERDRIVER.\n"));
                return False;
        }