1*ebfedea0SLionel Sambuc /* $NetBSD: mech_external.c,v 1.3 2011/02/11 23:44:43 christos Exp $ */
2*ebfedea0SLionel Sambuc
3*ebfedea0SLionel Sambuc /* Copyright (c) 2010 The NetBSD Foundation, Inc.
4*ebfedea0SLionel Sambuc * All rights reserved.
5*ebfedea0SLionel Sambuc *
6*ebfedea0SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
7*ebfedea0SLionel Sambuc * by Mateusz Kocielski.
8*ebfedea0SLionel Sambuc *
9*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
10*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
11*ebfedea0SLionel Sambuc * are met:
12*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
13*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
14*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
15*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
16*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
17*ebfedea0SLionel Sambuc * 3. All advertising materials mentioning features or use of this software
18*ebfedea0SLionel Sambuc * must display the following acknowledgement:
19*ebfedea0SLionel Sambuc * This product includes software developed by the NetBSD
20*ebfedea0SLionel Sambuc * Foundation, Inc. and its contributors.
21*ebfedea0SLionel Sambuc * 4. Neither the name of The NetBSD Foundation nor the names of its
22*ebfedea0SLionel Sambuc * contributors may be used to endorse or promote products derived
23*ebfedea0SLionel Sambuc * from this software without specific prior written permission.
24*ebfedea0SLionel Sambuc *
25*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26*ebfedea0SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27*ebfedea0SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28*ebfedea0SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29*ebfedea0SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30*ebfedea0SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31*ebfedea0SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32*ebfedea0SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33*ebfedea0SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34*ebfedea0SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35*ebfedea0SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
36*ebfedea0SLionel Sambuc */
37*ebfedea0SLionel Sambuc #include <sys/cdefs.h>
38*ebfedea0SLionel Sambuc __RCSID("$NetBSD: mech_external.c,v 1.3 2011/02/11 23:44:43 christos Exp $");
39*ebfedea0SLionel Sambuc
40*ebfedea0SLionel Sambuc #include <saslc.h>
41*ebfedea0SLionel Sambuc #include <string.h>
42*ebfedea0SLionel Sambuc
43*ebfedea0SLionel Sambuc #include "mech.h"
44*ebfedea0SLionel Sambuc #include "saslc_private.h"
45*ebfedea0SLionel Sambuc
46*ebfedea0SLionel Sambuc /* See RFC 2222 section 7.4. */
47*ebfedea0SLionel Sambuc
48*ebfedea0SLionel Sambuc /* properties */
49*ebfedea0SLionel Sambuc #define SASLC_EXTERNAL_AUTHZID SASLC_PROP_AUTHZID
50*ebfedea0SLionel Sambuc
51*ebfedea0SLionel Sambuc /**
52*ebfedea0SLionel Sambuc * @brief doing one step of the sasl authentication
53*ebfedea0SLionel Sambuc * @param sess sasl session
54*ebfedea0SLionel Sambuc * @param in input data
55*ebfedea0SLionel Sambuc * @param inlen input data length
56*ebfedea0SLionel Sambuc * @param out place to store output data
57*ebfedea0SLionel Sambuc * @param outlen output data length
58*ebfedea0SLionel Sambuc * @return MECH_OK - success,
59*ebfedea0SLionel Sambuc * MECH_STEP - more steps are needed,
60*ebfedea0SLionel Sambuc * MECH_ERROR - error
61*ebfedea0SLionel Sambuc */
62*ebfedea0SLionel Sambuc /*ARGSUSED*/
63*ebfedea0SLionel Sambuc static int
saslc__mech_external_cont(saslc_sess_t * sess,const void * in,size_t inlen,void ** out,size_t * outlen)64*ebfedea0SLionel Sambuc saslc__mech_external_cont(saslc_sess_t *sess, const void *in, size_t inlen,
65*ebfedea0SLionel Sambuc void **out, size_t *outlen)
66*ebfedea0SLionel Sambuc {
67*ebfedea0SLionel Sambuc
68*ebfedea0SLionel Sambuc return saslc__mech_strdup(sess, (char **)out, outlen,
69*ebfedea0SLionel Sambuc SASLC_EXTERNAL_AUTHZID,
70*ebfedea0SLionel Sambuc "authzid is required for an authentication");
71*ebfedea0SLionel Sambuc }
72*ebfedea0SLionel Sambuc
73*ebfedea0SLionel Sambuc /* mechanism definition */
74*ebfedea0SLionel Sambuc const saslc__mech_t saslc__mech_external = {
75*ebfedea0SLionel Sambuc .name = "EXTERNAL",
76*ebfedea0SLionel Sambuc .flags = FLAG_NONE,
77*ebfedea0SLionel Sambuc .create = saslc__mech_generic_create,
78*ebfedea0SLionel Sambuc .cont = saslc__mech_external_cont,
79*ebfedea0SLionel Sambuc .encode = NULL,
80*ebfedea0SLionel Sambuc .decode = NULL,
81*ebfedea0SLionel Sambuc .destroy = saslc__mech_generic_destroy
82*ebfedea0SLionel Sambuc };
83