lib/krb5/test_plugin.c

   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 RCSID("$Id$");
  36 #include "locate_plugin.h"
  37
  38 static krb5_error_code
  39 resolve_init(krb5_context context, void **ctx)
  40 {
  41     *ctx = NULL;
  42     return 0;
  43 }
  44
  45 static void
  46 resolve_fini(void *ctx)
  47 {
  48 }
  49
  50 static krb5_error_code
  51 resolve_lookup(void *ctx,
  52                enum locate_service_type service,
  53                const char *realm,
  54                int domain,
  55                int type,
  56                int (*add)(void *,int,struct sockaddr *),
  57                void *addctx)
  58 {
  59     struct sockaddr_in s;
  60
  61     memset(&s, 0, sizeof(s));
  62
  63 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
  64     s.sin_len = sizeof(s);
  65 #endif
  66     s.sin_family = AF_INET;
  67     s.sin_port = htons(88);
  68     s.sin_addr.s_addr = htonl(0x7f000002);
  69
  70     if (strcmp(realm, "NOTHERE.H5L.SE") == 0)
  71         (*add)(addctx, type, (struct sockaddr *)&s);
  72
  73     return 0;
  74 }
  75
  76
  77 krb5plugin_service_locate_ftable resolve = {
  78     0,
  79     resolve_init,
  80     resolve_fini,
  81     resolve_lookup
  82 };
  83
  84
  85 int
  86 main(int argc, char **argv)
  87 {
  88     krb5_error_code ret;
  89     krb5_context context;
  90     krb5_krbhst_handle handle;
  91     char host[MAXHOSTNAMELEN];
  92     int found = 0;
  93
  94     setprogname(argv[0]);
  95
  96     ret = krb5_init_context(&context);
  97     if (ret)
  98         errx(1, "krb5_init_contex");
  99
 100     ret = krb5_plugin_register(context, PLUGIN_TYPE_DATA, "resolve", &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 }