1 /*
2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 /* $Id$ */
35 
36 #include <config.h>
37 
38 #include <krb5-types.h>
39 
40 #include <sys/types.h>
41 
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <ctype.h>
46 #include <dlfcn.h>
47 #include <errno.h>
48 
49 #include <gssapi_asn1.h>
50 #include <der.h>
51 
52 #include <roken.h>
53 
54 #include <krb5.h>
55 #include <gssapi.h>
56 #include <gssapi_mech.h>
57 #include <gssapi_krb5.h>
58 
59 #include "mechqueue.h"
60 
61 #include "context.h"
62 #include "cred.h"
63 #include "mech_switch.h"
64 #include "name.h"
65 #include "utils.h"
66 #include "compat.h"
67 
68 #define _mg_buffer_zero(buffer) \
69 	do {					\
70 		if (buffer) {			\
71 			(buffer)->value = NULL;	\
72 			(buffer)->length = 0;	\
73 		 }				\
74 	} while(0)
75 
76 #define _mg_oid_set_zero(oid_set) \
77 	do {						\
78 		if (oid_set) {				\
79 			(oid_set)->elements = NULL;	\
80 			(oid_set)->count = 0;		\
81 		 }					\
82 	} while(0)
83