1 /* $NetBSD: mech_anonymous.c,v 1.3 2011/02/11 23:44:43 christos Exp $ */
2 
3 /* Copyright (c) 2010 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by Mateusz Kocielski.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *        This product includes software developed by the NetBSD
20  *        Foundation, Inc. and its contributors.
21  * 4. Neither the name of The NetBSD Foundation nor the names of its
22  *    contributors may be used to endorse or promote products derived
23  *    from this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.	IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 #include <sys/cdefs.h>
38 __RCSID("$NetBSD: mech_anonymous.c,v 1.3 2011/02/11 23:44:43 christos Exp $");
39 
40 #include <saslc.h>
41 #include <stdio.h>
42 #include <string.h>
43 
44 #include "error.h"
45 #include "mech.h"
46 #include "saslc_private.h"
47 
48 
49 /* See RFC 2245. */
50 
51 /* properties */
52 #define SASLC_ANONYMOUS_AUTHCID		 SASLC_PROP_AUTHCID
53 
54 /*
55  * @brief doing one step of the sasl authentication
56  * @param sess sasl session
57  * @param in input data
58  * @param inlen input data length
59  * @param out place to store output data
60  * @param outlen output data length
61  * @return
62  * MECH_OK - success,
63  * MECH_STEP - more steps are needed,
64  * MECH_ERROR - error
65  */
66 /*ARGSUSED*/
67 static int
saslc__mech_anonymous_cont(saslc_sess_t * sess,const void * in,size_t inlen,void ** out,size_t * outlen)68 saslc__mech_anonymous_cont(saslc_sess_t *sess, const void *in, size_t inlen,
69     void **out, size_t *outlen)
70 {
71 
72 	return saslc__mech_strdup(sess, (char **)out, outlen,
73 	    SASLC_ANONYMOUS_AUTHCID,
74 	    "authcid is required for an authentication");
75 }
76 
77 /* mechanism definition */
78 const saslc__mech_t saslc__mech_anonymous = {
79 	.name	 = "ANONYMOUS",
80 	.flags	 = FLAG_ANONYMOUS,
81 	.create	 = saslc__mech_generic_create,
82 	.cont	 = saslc__mech_anonymous_cont,
83 	.encode	 = NULL,
84 	.decode	 = NULL,
85 	.destroy = saslc__mech_generic_destroy
86 };
87