src/test/test-firewall-util.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2015 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 "firewall-util.h"
  21 #include "log.h"
  22
  23 #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))}
  24
  25 int main(int argc, char *argv[]) {
  26         int r;
  27         log_set_max_level(LOG_DEBUG);
  28
  29         r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
  30         if (r < 0)
  31                 log_error_errno(r, "Failed to modify firewall: %m");
  32
  33         r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
  34         if (r < 0)
  35                 log_error_errno(r, "Failed to modify firewall: %m");
  36
  37         r = fw_add_masquerade(false, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
  38         if (r < 0)
  39                 log_error_errno(r, "Failed to modify firewall: %m");
  40
  41         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);
  42         if (r < 0)
  43                 log_error_errno(r, "Failed to modify firewall: %m");
  44
  45         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);
  46         if (r < 0)
  47                 log_error_errno(r, "Failed to modify firewall: %m");
  48
  49         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));
  50         if (r < 0)
  51                 log_error_errno(r, "Failed to modify firewall: %m");
  52
  53         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);
  54         if (r < 0)
  55                 log_error_errno(r, "Failed to modify firewall: %m");
  56
  57         return 0;
  58 }