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#include <krb5_locl.h>
35#include "locate_plugin.h"
36
37static krb5_error_code
38resolve_init(krb5_context context, void **ctx)
39{
40    *ctx = NULL;
41    return 0;
42}
43
44static void
45resolve_fini(void *ctx)
46{
47}
48
49static krb5_error_code
50resolve_lookup(void *ctx,
51	       enum locate_service_type service,
52	       const char *realm,
53	       int domain,
54	       int type,
55	       int (*add)(void *,int,struct sockaddr *),
56	       void *addctx)
57{
58    struct sockaddr_in s;
59
60    memset(&s, 0, sizeof(s));
61
62#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
63    s.sin_len = sizeof(s);
64#endif
65    s.sin_family = AF_INET;
66    s.sin_port = htons(88);
67    s.sin_addr.s_addr = htonl(0x7f000002);
68
69    if (strcmp(realm, "NOTHERE.H5L.SE") == 0)
70	(*add)(addctx, type, (struct sockaddr *)&s);
71
72    return 0;
73}
74
75
76krb5plugin_service_locate_ftable resolve = {
77    0,
78    resolve_init,
79    resolve_fini,
80    resolve_lookup
81};
82
83
84int
85main(int argc, char **argv)
86{
87    krb5_error_code ret;
88    krb5_context context;
89    krb5_krbhst_handle handle;
90    char host[MAXHOSTNAMELEN];
91    int found = 0;
92
93    setprogname(argv[0]);
94
95    ret = krb5_init_context(&context);
96    if (ret)
97	errx(1, "krb5_init_contex");
98
99    ret = krb5_plugin_register(context, PLUGIN_TYPE_DATA,
100			       KRB5_PLUGIN_LOCATE, &resolve);
101    if (ret)
102	krb5_err(context, 1, ret, "krb5_plugin_register");
103
104
105    ret = krb5_krbhst_init_flags(context,
106				 "NOTHERE.H5L.SE",
107				 KRB5_KRBHST_KDC,
108				 0,
109				 &handle);
110    if (ret)
111	krb5_err(context, 1, ret, "krb5_krbhst_init_flags");
112
113
114    while(krb5_krbhst_next_as_string(context, handle, host, sizeof(host)) == 0){
115	found++;
116 	if (strcmp(host, "127.0.0.2") != 0)
117	    krb5_errx(context, 1, "wrong address: %s", host);
118    }
119    if (!found)
120	krb5_errx(context, 1, "failed to find host");
121
122    krb5_krbhst_free(context, handle);
123
124    krb5_free_context(context);
125    return 0;
126}
127