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