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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
76917807 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2015 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
12c2884c | 21 | #include "firewall-util.h" |
cf0fbc49 | 22 | #include "log.h" |
76917807 LP |
23 | |
24 | #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))} | |
25 | ||
26 | int main(int argc, char *argv[]) { | |
27 | int r; | |
28 | log_set_max_level(LOG_DEBUG); | |
29 | ||
30 | r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0); | |
31 | if (r < 0) | |
32 | log_error_errno(r, "Failed to modify firewall: %m"); | |
33 | ||
34 | r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0); | |
35 | if (r < 0) | |
36 | log_error_errno(r, "Failed to modify firewall: %m"); | |
37 | ||
38 | r = fw_add_masquerade(false, AF_INET, 0, NULL, 0, "foobar", NULL, 0); | |
39 | if (r < 0) | |
40 | log_error_errno(r, "Failed to modify firewall: %m"); | |
41 | ||
42 | 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); | |
43 | if (r < 0) | |
44 | log_error_errno(r, "Failed to modify firewall: %m"); | |
45 | ||
46 | 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); | |
47 | if (r < 0) | |
48 | log_error_errno(r, "Failed to modify firewall: %m"); | |
49 | ||
50 | 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)); | |
51 | if (r < 0) | |
52 | log_error_errno(r, "Failed to modify firewall: %m"); | |
53 | ||
54 | 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); | |
55 | if (r < 0) | |
56 | log_error_errno(r, "Failed to modify firewall: %m"); | |
57 | ||
58 | return 0; | |
59 | } |