src/test/test-firewall-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2015 Lennart Poettering
   6 ***/
   7
   8 #include "firewall-util.h"
   9 #include "log.h"
  10
  11 #define MAKE_IN_ADDR_UNION(a,b,c,d) (union in_addr_union) { .in.s_addr = htobe32((uint32_t) (a) << 24 | (uint32_t) (b) << 16 | (uint32_t) (c) << 8 | (uint32_t) (d))}
  12
  13 int main(int argc, char *argv[]) {
  14         int r;
  15         log_set_max_level(LOG_DEBUG);
  16
  17         r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
  18         if (r < 0)
  19                 log_error_errno(r, "Failed to modify firewall: %m");
  20
  21         r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
  22         if (r < 0)
  23                 log_error_errno(r, "Failed to modify firewall: %m");
  24
  25         r = fw_add_masquerade(false, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
  26         if (r < 0)
  27                 log_error_errno(r, "Failed to modify firewall: %m");
  28
  29         r = fw_add_local_dnat(true, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 4), 815, NULL);
  30         if (r < 0)
  31                 log_error_errno(r, "Failed to modify firewall: %m");
  32
  33         r = fw_add_local_dnat(true, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 4), 815, NULL);
  34         if (r < 0)
  35                 log_error_errno(r, "Failed to modify firewall: %m");
  36
  37         r = fw_add_local_dnat(true, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 5), 815, &MAKE_IN_ADDR_UNION(1, 2, 3, 4));
  38         if (r < 0)
  39                 log_error_errno(r, "Failed to modify firewall: %m");
  40
  41         r = fw_add_local_dnat(false, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 5), 815, NULL);
  42         if (r < 0)
  43                 log_error_errno(r, "Failed to modify firewall: %m");
  44
  45         return 0;
  46 }