lib/krb5/test_addr.c

   1 /*
   2  * Copyright (c) 2005 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 KTH nor the names of its contributors may be
  18  *    used to endorse or promote products derived from this software without
  19  *    specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  28  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
  32
  33 #include "krb5_locl.h"
  34 #include <err.h>
  35
  36 RCSID("$Id$");
  37
  38 static void
  39 print_addr(krb5_context context, const char *addr)
  40 {
  41     krb5_addresses addresses;
  42     krb5_error_code ret;
  43     char buf[38];
  44     char buf2[1000];
  45     size_t len;
  46     int i;
  47
  48     ret = krb5_parse_address(context, addr, &addresses);
  49     if (ret)
  50         krb5_err(context, 1, ret, "krb5_parse_address");
  51
  52     if (addresses.len < 1)
  53         krb5_err(context, 1, ret, "too few addresses");
  54
  55     for (i = 0; i < addresses.len; i++) {
  56         krb5_print_address(&addresses.val[i], buf, sizeof(buf), &len);
  57 #if 0
  58         printf("addr %d: %s (%d/%d)\n", i, buf, (int)len, (int)strlen(buf));
  59 #endif
  60         if (strlen(buf) > sizeof(buf))
  61             abort();
  62         krb5_print_address(&addresses.val[i], buf2, sizeof(buf2), &len);
  63 #if 0
  64         printf("addr %d: %s (%d/%d)\n", i, buf2, (int)len, (int)strlen(buf2));
  65 #endif
  66         if (strlen(buf2) > sizeof(buf2))
  67             abort();
  68
  69     }
  70     krb5_free_addresses(context, &addresses);
  71
  72 }
  73
  74 static void
  75 truncated_addr(krb5_context context, const char *addr,
  76                size_t truncate_len, size_t outlen)
  77 {
  78     krb5_addresses addresses;
  79     krb5_error_code ret;
  80     char *buf;
  81     size_t len;
  82
  83     buf = ecalloc(1, outlen + 1);
  84
  85     ret = krb5_parse_address(context, addr, &addresses);
  86     if (ret)
  87         krb5_err(context, 1, ret, "krb5_parse_address");
  88
  89     if (addresses.len != 1)
  90         krb5_err(context, 1, ret, "addresses should be one");
  91
  92     krb5_print_address(&addresses.val[0], buf, truncate_len, &len);
  93
  94 #if 0
  95     printf("addr %s (%d/%d)\n", buf, (int)len, (int)strlen(buf));
  96 #endif
  97
  98     if (truncate_len > strlen(buf) + 1)
  99         abort();
 100     if (outlen != len)
 101         abort();
 102
 103     krb5_print_address(&addresses.val[0], buf, outlen + 1, &len);
 104
 105 #if 0
 106     printf("addr %s (%d/%d)\n", buf, (int)len, (int)strlen(buf));
 107 #endif
 108
 109     if (len != outlen)
 110         abort();
 111     if (strlen(buf) != len)
 112         abort();
 113
 114     krb5_free_addresses(context, &addresses);
 115     free(buf);
 116 }
 117
 118 static void
 119 check_truncation(krb5_context context, const char *addr)
 120 {
 121     int i, len = strlen(addr);
 122
 123     for (i = 0; i < len; i++)
 124         truncated_addr(context, addr, i, len);
 125 }
 126
 127 static void
 128 match_addr(krb5_context context, const char *range_addr,
 129            const char *one_addr, int match)
 130 {
 131     krb5_addresses range, one;
 132     krb5_error_code ret;
 133
 134     ret = krb5_parse_address(context, range_addr, &range);
 135     if (ret)
 136         krb5_err(context, 1, ret, "krb5_parse_address");
 137
 138     if (range.len != 1)
 139         krb5_err(context, 1, ret, "wrong num of addresses");
 140
 141     ret = krb5_parse_address(context, one_addr, &one);
 142     if (ret)
 143         krb5_err(context, 1, ret, "krb5_parse_address");
 144
 145     if (one.len != 1)
 146         krb5_err(context, 1, ret, "wrong num of addresses");
 147
 148     if (krb5_address_order(context, &range.val[0], &one.val[0]) == 0) {
 149         if (!match)
 150             krb5_errx(context, 1, "match when one shouldn't be");
 151     } else {
 152         if (match)
 153             krb5_errx(context, 1, "no match when one should be");
 154     }
 155
 156     krb5_free_addresses(context, &range);
 157     krb5_free_addresses(context, &one);
 158 }
 159
 160 int
 161 main(int argc, char **argv)
 162 {
 163     krb5_context context;
 164     krb5_error_code ret;
 165
 166     setprogname(argv[0]);
 167
 168     ret = krb5_init_context(&context);
 169     if (ret)
 170         errx (1, "krb5_init_context failed: %d", ret);
 171
 172     print_addr(context, "RANGE:127.0.0.0/8");
 173     print_addr(context, "RANGE:127.0.0.0/24");
 174     print_addr(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
 175     print_addr(context, "RANGE:130.237.237.4/29");
 176 #ifdef HAVE_IPV6
 177     print_addr(context, "RANGE:fe80::209:6bff:fea0:e522/64");
 178     print_addr(context, "RANGE:IPv6:fe80::209:6bff:fea0:e522/64");
 179     print_addr(context, "RANGE:IPv6:fe80::-IPv6:fe80::ffff:ffff:ffff:ffff");
 180     print_addr(context, "RANGE:fe80::-fe80::ffff:ffff:ffff:ffff");
 181 #endif
 182
 183     check_truncation(context, "IPv4:127.0.0.0");
 184     check_truncation(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
 185 #ifdef HAVE_IPV6
 186     check_truncation(context, "IPv6:::1");
 187     check_truncation(context, "IPv6:fe80::ffff:ffff:ffff:ffff");
 188 #endif
 189
 190     match_addr(context, "RANGE:127.0.0.0/8", "inet:127.0.0.0", 1);
 191     match_addr(context, "RANGE:127.0.0.0/8", "inet:127.255.255.255", 1);
 192     match_addr(context, "RANGE:127.0.0.0/8", "inet:128.0.0.0", 0);
 193
 194     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.7", 0);
 195     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.8", 1);
 196     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.15", 1);
 197     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.16", 0);
 198
 199     krb5_free_context(context);
 200
 201     return 0;
 202 }