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

   1 /***
   2   This file is part of systemd
   3
   4   Copyright 2017 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <netinet/in.h>
  21
  22 #include "in-addr-util.h"
  23
  24 static void test_in_addr_prefix_from_string(const char *p, int family, int ret, const union in_addr_union *u, unsigned char prefixlen) {
  25         union in_addr_union q;
  26         unsigned char l;
  27         int r;
  28
  29         r = in_addr_prefix_from_string(p, family, &q, &l);
  30         assert_se(r == ret);
  31
  32         if (r >= 0) {
  33                 int f;
  34
  35                 assert_se(in_addr_equal(family, &q, u));
  36                 assert_se(l == prefixlen);
  37
  38                 r = in_addr_prefix_from_string_auto(p, &f, &q, &l);
  39                 assert_se(r >= 0);
  40
  41                 assert_se(f == family);
  42                 assert_se(in_addr_equal(family, &q, u));
  43                 assert_se(l == prefixlen);
  44         }
  45 }
  46
  47 int main(int argc, char *argv[]) {
  48         test_in_addr_prefix_from_string("", AF_INET, -EINVAL, NULL, 0);
  49         test_in_addr_prefix_from_string("/", AF_INET, -EINVAL, NULL, 0);
  50         test_in_addr_prefix_from_string("/8", AF_INET, -EINVAL, NULL, 0);
  51         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);
  52         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);
  53         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);
  54         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);
  55         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);
  56         test_in_addr_prefix_from_string("1.2.3.4/33", AF_INET, -ERANGE, NULL, 0);
  57         test_in_addr_prefix_from_string("1.2.3.4/-1", AF_INET, -ERANGE, NULL, 0);
  58         test_in_addr_prefix_from_string("::1", AF_INET, -EINVAL, NULL, 0);
  59
  60         test_in_addr_prefix_from_string("", AF_INET6, -EINVAL, NULL, 0);
  61         test_in_addr_prefix_from_string("/", AF_INET6, -EINVAL, NULL, 0);
  62         test_in_addr_prefix_from_string("/8", AF_INET6, -EINVAL, NULL, 0);
  63         test_in_addr_prefix_from_string("::1", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 128);
  64         test_in_addr_prefix_from_string("::1/0", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 0);
  65         test_in_addr_prefix_from_string("::1/1", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 1);
  66         test_in_addr_prefix_from_string("::1/2", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 2);
  67         test_in_addr_prefix_from_string("::1/32", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 32);
  68         test_in_addr_prefix_from_string("::1/33", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 33);
  69         test_in_addr_prefix_from_string("::1/64", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 64);
  70         test_in_addr_prefix_from_string("::1/128", AF_INET6, 0, &(union in_addr_union) { .in6 = IN6ADDR_LOOPBACK_INIT }, 128);
  71         test_in_addr_prefix_from_string("::1/129", AF_INET6, -ERANGE, NULL, 0);
  72         test_in_addr_prefix_from_string("::1/-1", AF_INET6, -ERANGE, NULL, 0);
  73
  74         return 0;
  75 }