/*** This file is part of systemd. Copyright 2015 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include "firewall-util.h" #include "log.h" #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))} int main(int argc, char *argv[]) { int r; log_set_max_level(LOG_DEBUG); r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0); if (r < 0) log_error_errno(r, "Failed to modify firewall: %m"); r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0); if (r < 0) log_error_errno(r, "Failed to modify firewall: %m"); r = fw_add_masquerade(false, AF_INET, 0, NULL, 0, "foobar", NULL, 0); if (r < 0) log_error_errno(r, "Failed to modify firewall: %m"); 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); if (r < 0) log_error_errno(r, "Failed to modify firewall: %m"); 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); if (r < 0) log_error_errno(r, "Failed to modify firewall: %m"); 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)); if (r < 0) log_error_errno(r, "Failed to modify firewall: %m"); 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); if (r < 0) log_error_errno(r, "Failed to modify firewall: %m"); return 0; }