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 static void
  37 print_addr(krb5_context context, const char *addr)
  38 {
  39     krb5_addresses addresses;
  40     krb5_error_code ret;
  41     char buf[38];
  42     char buf2[1000];
  43     size_t len;
  44     int i;
  45
  46     ret = krb5_parse_address(context, addr, &addresses);
  47     if (ret)
  48         krb5_err(context, 1, ret, "krb5_parse_address");
  49
  50     if (addresses.len < 1)
  51         krb5_err(context, 1, ret, "too few addresses");
  52
  53     for (i = 0; i < addresses.len; i++) {
  54         krb5_print_address(&addresses.val[i], buf, sizeof(buf), &len);
  55 #if 0
  56         printf("addr %d: %s (%d/%d)\n", i, buf, (int)len, (int)strlen(buf));
  57 #endif
  58         if (strlen(buf) > sizeof(buf))
  59             abort();
  60         krb5_print_address(&addresses.val[i], buf2, sizeof(buf2), &len);
  61 #if 0
  62         printf("addr %d: %s (%d/%d)\n", i, buf2, (int)len, (int)strlen(buf2));
  63 #endif
  64         if (strlen(buf2) > sizeof(buf2))
  65             abort();
  66
  67     }
  68     krb5_free_addresses(context, &addresses);
  69
  70 }
  71
  72 static void
  73 truncated_addr(krb5_context context, const char *addr,
  74                size_t truncate_len, size_t outlen)
  75 {
  76     krb5_addresses addresses;
  77     krb5_error_code ret;
  78     char *buf;
  79     size_t len;
  80
  81     buf = ecalloc(1, outlen + 1);
  82
  83     ret = krb5_parse_address(context, addr, &addresses);
  84     if (ret)
  85         krb5_err(context, 1, ret, "krb5_parse_address");
  86
  87     if (addresses.len != 1)
  88         krb5_err(context, 1, ret, "addresses should be one");
  89
  90     krb5_print_address(&addresses.val[0], buf, truncate_len, &len);
  91
  92 #if 0
  93     printf("addr %s (%d/%d)\n", buf, (int)len, (int)strlen(buf));
  94 #endif
  95
  96     if (truncate_len > strlen(buf) + 1)
  97         abort();
  98     if (outlen != len)
  99         abort();
 100
 101     krb5_print_address(&addresses.val[0], buf, outlen + 1, &len);
 102
 103 #if 0
 104     printf("addr %s (%d/%d)\n", buf, (int)len, (int)strlen(buf));
 105 #endif
 106
 107     if (len != outlen)
 108         abort();
 109     if (strlen(buf) != len)
 110         abort();
 111
 112     krb5_free_addresses(context, &addresses);
 113     free(buf);
 114 }
 115
 116 static void
 117 check_truncation(krb5_context context, const char *addr)
 118 {
 119     int i, len = strlen(addr);
 120
 121     for (i = 0; i < len; i++)
 122         truncated_addr(context, addr, i, len);
 123 }
 124
 125 static void
 126 match_addr(krb5_context context, const char *range_addr,
 127            const char *one_addr, int match)
 128 {
 129     krb5_addresses range, one;
 130     krb5_error_code ret;
 131
 132     ret = krb5_parse_address(context, range_addr, &range);
 133     if (ret)
 134         krb5_err(context, 1, ret, "krb5_parse_address");
 135
 136     if (range.len != 1)
 137         krb5_err(context, 1, ret, "wrong num of addresses");
 138
 139     ret = krb5_parse_address(context, one_addr, &one);
 140     if (ret)
 141         krb5_err(context, 1, ret, "krb5_parse_address");
 142
 143     if (one.len != 1)
 144         krb5_err(context, 1, ret, "wrong num of addresses");
 145
 146     if (krb5_address_order(context, &range.val[0], &one.val[0]) == 0) {
 147         if (!match)
 148             krb5_errx(context, 1, "match when one shouldn't be");
 149     } else {
 150         if (match)
 151             krb5_errx(context, 1, "no match when one should be");
 152     }
 153
 154     krb5_free_addresses(context, &range);
 155     krb5_free_addresses(context, &one);
 156 }
 157
 158 int
 159 main(int argc, char **argv)
 160 {
 161     krb5_context context;
 162     krb5_error_code ret;
 163
 164     setprogname(argv[0]);
 165
 166     ret = krb5_init_context(&context);
 167     if (ret)
 168         errx (1, "krb5_init_context failed: %d", ret);
 169
 170     print_addr(context, "RANGE:127.0.0.0/8");
 171     print_addr(context, "RANGE:127.0.0.0/24");
 172     print_addr(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
 173     print_addr(context, "RANGE:130.237.237.4/29");
 174 #ifdef HAVE_IPV6
 175     print_addr(context, "RANGE:fe80::209:6bff:fea0:e522/64");
 176     print_addr(context, "RANGE:IPv6:fe80::209:6bff:fea0:e522/64");
 177     print_addr(context, "RANGE:IPv6:fe80::-IPv6:fe80::ffff:ffff:ffff:ffff");
 178     print_addr(context, "RANGE:fe80::-fe80::ffff:ffff:ffff:ffff");
 179 #endif
 180
 181     check_truncation(context, "IPv4:127.0.0.0");
 182     check_truncation(context, "RANGE:IPv4:127.0.0.0-IPv4:127.0.0.255");
 183 #ifdef HAVE_IPV6
 184     check_truncation(context, "IPv6:::1");
 185     check_truncation(context, "IPv6:fe80::ffff:ffff:ffff:ffff");
 186 #endif
 187
 188     match_addr(context, "RANGE:127.0.0.0/8", "inet:127.0.0.0", 1);
 189     match_addr(context, "RANGE:127.0.0.0/8", "inet:127.255.255.255", 1);
 190     match_addr(context, "RANGE:127.0.0.0/8", "inet:128.0.0.0", 0);
 191
 192     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.7", 0);
 193     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.8", 1);
 194     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.15", 1);
 195     match_addr(context, "RANGE:130.237.237.8/29", "inet:130.237.237.16", 0);
 196
 197     krb5_free_context(context);
 198
 199     return 0;
 200 }