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
37 static krb5_error_code
resolve_init(krb5_context context,void ** ctx)38 resolve_init(krb5_context context, void **ctx)
39 {
40 *ctx = NULL;
41 return 0;
42 }
43
44 static void
resolve_fini(void * ctx)45 resolve_fini(void *ctx)
46 {
47 }
48
49 static krb5_error_code
resolve_lookup(void * ctx,enum locate_service_type service,const char * realm,int domain,int type,int (* add)(void *,int,struct sockaddr *),void * addctx)50 resolve_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
76 krb5plugin_service_locate_ftable resolve = {
77 0,
78 resolve_init,
79 resolve_fini,
80 resolve_lookup
81 };
82
83
84 int
main(int argc,char ** argv)85 main(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