xref: /netbsd-src/crypto/external/bsd/heimdal/dist/lib/krb5/test_plugin.c (revision afab4e300d3a9fb07dd8c80daf53d0feb3345706)
1 /*	$NetBSD: test_plugin.c,v 1.3 2023/06/19 21:41:45 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 2006 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <krb5_locl.h>
37 #include "locate_plugin.h"
38 
39 static krb5_error_code KRB5_CALLCONV
resolve_init(krb5_context context,void ** ctx)40 resolve_init(krb5_context context, void **ctx)
41 {
42     *ctx = NULL;
43     return 0;
44 }
45 
46 static void KRB5_CALLCONV
resolve_fini(void * ctx)47 resolve_fini(void *ctx)
48 {
49 }
50 
51 static krb5_error_code KRB5_CALLCONV
resolve_lookup(void * ctx,enum locate_service_type service,const char * realm,int domain,int type,int (* add)(void *,int,struct sockaddr *),void * addctx)52 resolve_lookup(void *ctx,
53 	       enum locate_service_type service,
54 	       const char *realm,
55 	       int domain,
56 	       int type,
57 	       int (*add)(void *,int,struct sockaddr *),
58 	       void *addctx)
59 {
60     struct sockaddr_in s;
61 
62     memset(&s, 0, sizeof(s));
63 
64 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
65     s.sin_len = sizeof(s);
66 #endif
67     s.sin_family = AF_INET;
68     s.sin_port = htons(88);
69     s.sin_addr.s_addr = htonl(0x7f000002);
70 
71     if (strcmp(realm, "NOTHERE.H5L.SE") == 0)
72 	(*add)(addctx, type, (struct sockaddr *)&s);
73 
74     return 0;
75 }
76 
77 
78 krb5plugin_service_locate_ftable resolve = {
79     0,
80     resolve_init,
81     resolve_fini,
82     resolve_lookup,
83     NULL
84 };
85 
86 
87 int
main(int argc,char ** argv)88 main(int argc, char **argv)
89 {
90     krb5_error_code ret;
91     krb5_context context;
92     krb5_krbhst_handle handle;
93     char host[MAXHOSTNAMELEN];
94     int found = 0;
95 
96     setprogname(argv[0]);
97 
98     ret = krb5_init_context(&context);
99     if (ret)
100 	errx(1, "krb5_init_contex");
101 
102     ret = krb5_plugin_register(context, PLUGIN_TYPE_DATA,
103 			       KRB5_PLUGIN_LOCATE, &resolve);
104     if (ret)
105 	krb5_err(context, 1, ret, "krb5_plugin_register");
106 
107 
108     ret = krb5_krbhst_init_flags(context,
109 				 "NOTHERE.H5L.SE",
110 				 KRB5_KRBHST_KDC,
111 				 0,
112 				 &handle);
113     if (ret)
114 	krb5_err(context, 1, ret, "krb5_krbhst_init_flags");
115 
116 
117     while(krb5_krbhst_next_as_string(context, handle, host, sizeof(host)) == 0){
118 	found++;
119  	if (!found && strcmp(host, "127.0.0.2") != 0 && strcmp(host, "tcp/127.0.0.2") != 0)
120 	    krb5_errx(context, 1, "wrong address: %s", host);
121     }
122     if (!found)
123 	krb5_errx(context, 1, "failed to find host");
124     if (found < 2)
125 	krb5_errx(context, 1, "did not get the two expected results");
126 
127     krb5_krbhst_free(context, handle);
128 
129     krb5_free_context(context);
130     return 0;
131 }
132