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 #include "locate_plugin.h"
  36
  37 static krb5_error_code KRB5_CALLCONV
  38 resolve_init(krb5_context context, void **ctx)
  39 {
  40     *ctx = NULL;
  41     return 0;
  42 }
  43
  44 static void KRB5_CALLCONV
  45 resolve_fini(void *ctx)
  46 {
  47 }
  48
  49 static krb5_error_code KRB5_CALLCONV
  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         return 0;
  72     }
  73
  74     return KRB5_PLUGIN_NO_HANDLE;
  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
  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 }