1 /*
2    Unix SMB/CIFS implementation.
3 
4    common macros for the dcerpc server interfaces
5 
6    Copyright (C) Stefan (metze) Metzmacher 2004
7    Copyright (C) Andrew Tridgell 2004
8 
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 2 of the License, or
12    (at your option) any later version.
13 
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18 
19    You should have received a copy of the GNU General Public License
20    along with this program; if not, write to the Free Software
21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23 
24 /* a useful macro for generating a RPC fault in the backend code */
25 #define DCESRV_FAULT(code) do { \
26 	dce_call->fault_code = code; \
27 	return r->out.result; \
28 } while(0)
29 
30 /* a useful macro for generating a RPC fault in the backend code */
31 #define DCESRV_FAULT_VOID(code) do { \
32 	dce_call->fault_code = code; \
33 	return; \
34 } while(0)
35 
36 /* a useful macro for checking the validity of a dcerpc policy handle
37    and giving the right fault code if invalid */
38 #define DCESRV_CHECK_HANDLE(h) do {if (!(h)) DCESRV_FAULT(DCERPC_FAULT_CONTEXT_MISMATCH); } while (0)
39 
40 /* this checks for a valid policy handle, and gives a fault if an
41    invalid handle or retval if the handle is of the
42    wrong type */
43 #define DCESRV_PULL_HANDLE_RETVAL(h, inhandle, t, retval) do { \
44 	(h) = dcesrv_handle_fetch(dce_call->context, (inhandle), DCESRV_HANDLE_ANY); \
45 	DCESRV_CHECK_HANDLE(h); \
46 	if ((t) != DCESRV_HANDLE_ANY && (h)->wire_handle.handle_type != (t)) { \
47 		return retval; \
48 	} \
49 } while (0)
50 
51 /* this checks for a valid policy handle and gives a dcerpc fault
52    if its the wrong type of handle */
53 #define DCESRV_PULL_HANDLE_FAULT(h, inhandle, t) do { \
54 	(h) = dcesrv_handle_fetch(dce_call->context, (inhandle), t); \
55 	DCESRV_CHECK_HANDLE(h); \
56 } while (0)
57 
58 #define DCESRV_PULL_HANDLE(h, inhandle, t) DCESRV_PULL_HANDLE_RETVAL(h, inhandle, t, NT_STATUS_INVALID_HANDLE)
59 #define DCESRV_PULL_HANDLE_WERR(h, inhandle, t) DCESRV_PULL_HANDLE_RETVAL(h, inhandle, t, WERR_BADFID)
60 
61 struct dcesrv_context;
62 
63 #include "param/share.h"
64 #include "rpc_server/common/proto.h"
65