src/test/test-in-addr-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd
   4
   5   Copyright 2017 Lennart Poettering
   6 ***/
   7
   8 #include <netinet/in.h>
   9
  10 #include "in-addr-util.h"
  11
  12 static void test_in_addr_prefix_from_string(const char *p, int family, int ret, const union in_addr_union *u, unsigned char prefixlen) {
  13         union in_addr_union q;
  14         unsigned char l;
  15         int r;
  16
  17         r = in_addr_prefix_from_string(p, family, &q, &l);
  18         assert_se(r == ret);
  19
  20         if (r >= 0) {
  21                 int f;
  22
  23                 assert_se(in_addr_equal(family, &q, u));
  24                 assert_se(l == prefixlen);
  25
  26                 r = in_addr_prefix_from_string_auto(p, &f, &q, &l);
  27                 assert_se(r >= 0);
  28
  29                 assert_se(f == family);
  30                 assert_se(in_addr_equal(family, &q, u));
  31                 assert_se(l == prefixlen);
  32         }
  33 }
  34
  35 int main(int argc, char *argv[]) {
  36         test_in_addr_prefix_from_string("", AF_INET, -EINVAL, NULL, 0);
  37         test_in_addr_prefix_from_string("/", AF_INET, -EINVAL, NULL, 0);
  38         test_in_addr_prefix_from_string("/8", AF_INET, -EINVAL, NULL, 0);
  39         test_in_addr_prefix_from_string("1.2.3.4", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 32);
  40         test_in_addr_prefix_from_string("1.2.3.4/0", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 0);
  41         test_in_addr_prefix_from_string("1.2.3.4/1", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 1);
  42         test_in_addr_prefix_from_string("1.2.3.4/2", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 2);
  43         test_in_addr_prefix_from_string("1.2.3.4/32", AF_INET, 0, &(union in_addr_union) { .in = (struct in_addr) { .s_addr = htobe32(0x01020304) } }, 32);
  44         test_in_addr_prefix_from_string("1.2.3.4/33", AF_INET, -ERANGE, NULL, 0);
  45         test_in_addr_prefix_from_string("1.2.3.4/-1", AF_INET, -ERANGE, NULL, 0);
  46         test_in_addr_prefix_from_string("::1", AF_INET, -EINVAL, NULL, 0);
  47
  48         test_in_addr_prefix_from_string("", AF_INET6, -EINVAL, NULL, 0);
  49         test_in_addr_prefix_from_string("/", AF_INET6, -EINVAL, NULL, 0);
  50         test_in_addr_prefix_from_string("/8", AF_INET6, -EINVAL, NULL, 0);
  51         test_in_addr_prefix_from_string("::1", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 128);
  52         test_in_addr_prefix_from_string("::1/0", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 0);
  53         test_in_addr_prefix_from_string("::1/1", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 1);
  54         test_in_addr_prefix_from_string("::1/2", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 2);
  55         test_in_addr_prefix_from_string("::1/32", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 32);
  56         test_in_addr_prefix_from_string("::1/33", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 33);
  57         test_in_addr_prefix_from_string("::1/64", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 64);
  58         test_in_addr_prefix_from_string("::1/128", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 128);
  59         test_in_addr_prefix_from_string("::1/129", AF_INET6, -ERANGE, NULL, 0);
  60         test_in_addr_prefix_from_string("::1/-1", AF_INET6, -ERANGE, NULL, 0);
  61
  62         return 0;
  63 }