1 /*
2 * src/nf-ct-list.c List Conntrack Entries
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation version 2.1
7 * of the License.
8 *
9 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
10 * Copyright (c) 2007 Philip Craig <philipc@snapgear.com>
11 * Copyright (c) 2007 Secure Computing Corporation
12 */
13
14 #include <netlink/cli/utils.h>
15 #include <netlink/cli/ct.h>
16
17 static int quiet = 0;
18
print_usage(void)19 static void print_usage(void)
20 {
21 printf(
22 "Usage: nf-ct-add [OPTION]... [CONNTRACK ENTRY]\n"
23 "\n"
24 "Options\n"
25 " -q, --quiet Do not print informal notifications.\n"
26 " -h, --help Show this help\n"
27 " -v, --version Show versioning information\n"
28 "\n"
29 "Conntrack Selection\n"
30 " -p, --proto=PROTOCOL Protocol\n"
31 " --orig-src=ADDR Original source address\n"
32 " --orig-sport=PORT Original source port\n"
33 " --orig-dst=ADDR Original destination address\n"
34 " --orig-dport=PORT Original destination port\n"
35 " --reply-src=ADDR Reply source address\n"
36 " --reply-sport=PORT Reply source port\n"
37 " --reply-dst=ADDR Reply destination address\n"
38 " --reply-dport=PORT Reply destination port\n"
39 " -F, --family=FAMILY Address family\n"
40 " --mark=NUM Mark value\n"
41 " --timeout=NUM Timeout value\n"
42 " --status Bitset representing status of connection.\n"
43 " --zone=NUM Zone value\n"
44 );
45 exit(0);
46 }
47
main(int argc,char * argv[])48 int main(int argc, char *argv[])
49 {
50 struct nl_sock *sock;
51 struct nfnl_ct *ct;
52 struct nl_dump_params params = {
53 .dp_type = NL_DUMP_LINE,
54 .dp_fd = stdout,
55 };
56 int err, nlflags = NLM_F_CREATE;
57
58 ct = nl_cli_ct_alloc();
59
60 for (;;) {
61 int c, optidx = 0;
62 enum {
63 ARG_ORIG_SRC = 257,
64 ARG_ORIG_SPORT = 258,
65 ARG_ORIG_DST,
66 ARG_ORIG_DPORT,
67 ARG_REPLY_SRC,
68 ARG_REPLY_SPORT,
69 ARG_REPLY_DST,
70 ARG_REPLY_DPORT,
71 ARG_MARK,
72 ARG_TIMEOUT,
73 ARG_STATUS,
74 ARG_ZONE,
75 };
76 static struct option long_opts[] = {
77 { "quiet", 0, 0, 'q' },
78 { "help", 0, 0, 'h' },
79 { "version", 0, 0, 'v' },
80 { "proto", 1, 0, 'p' },
81 { "orig-src", 1, 0, ARG_ORIG_SRC },
82 { "orig-sport", 1, 0, ARG_ORIG_SPORT },
83 { "orig-dst", 1, 0, ARG_ORIG_DST },
84 { "orig-dport", 1, 0, ARG_ORIG_DPORT },
85 { "reply-src", 1, 0, ARG_REPLY_SRC },
86 { "reply-sport", 1, 0, ARG_REPLY_SPORT },
87 { "reply-dst", 1, 0, ARG_REPLY_DST },
88 { "reply-dport", 1, 0, ARG_REPLY_DPORT },
89 { "family", 1, 0, 'F' },
90 { "mark", 1, 0, ARG_MARK },
91 { "timeout", 1, 0, ARG_TIMEOUT },
92 { "status", 1, 0, ARG_STATUS },
93 { "zone", 1, 0, ARG_ZONE },
94 { 0, 0, 0, 0 }
95 };
96
97 c = getopt_long(argc, argv, "46q:hv:p:F:", long_opts, &optidx);
98 if (c == -1)
99 break;
100
101 switch (c) {
102 case '?': exit(NLE_INVAL);
103 case 'q': quiet = 1; break;
104 case '4': nfnl_ct_set_family(ct, AF_INET); break;
105 case '6': nfnl_ct_set_family(ct, AF_INET6); break;
106 case 'h': print_usage(); break;
107 case 'v': nl_cli_print_version(); break;
108 case 'p': nl_cli_ct_parse_protocol(ct, optarg); break;
109 case ARG_ORIG_SRC: nl_cli_ct_parse_src(ct, 0, optarg); break;
110 case ARG_ORIG_SPORT: nl_cli_ct_parse_src_port(ct, 0, optarg); break;
111 case ARG_ORIG_DST: nl_cli_ct_parse_dst(ct, 0, optarg); break;
112 case ARG_ORIG_DPORT: nl_cli_ct_parse_dst_port(ct, 0, optarg); break;
113 case ARG_REPLY_SRC: nl_cli_ct_parse_src(ct, 1, optarg); break;
114 case ARG_REPLY_SPORT: nl_cli_ct_parse_src_port(ct, 1, optarg); break;
115 case ARG_REPLY_DST: nl_cli_ct_parse_dst(ct, 1, optarg); break;
116 case ARG_REPLY_DPORT: nl_cli_ct_parse_dst_port(ct, 1, optarg); break;
117 case 'F': nl_cli_ct_parse_family(ct, optarg); break;
118 case ARG_MARK: nl_cli_ct_parse_mark(ct, optarg); break;
119 case ARG_TIMEOUT: nl_cli_ct_parse_timeout(ct, optarg); break;
120 case ARG_STATUS: nl_cli_ct_parse_status(ct, optarg); break;
121 case ARG_ZONE: nl_cli_ct_parse_zone(ct, optarg); break;
122 }
123 }
124
125 if (!quiet) {
126 printf("Adding ");
127 nl_object_dump(OBJ_CAST(ct), ¶ms);
128 }
129
130 sock = nl_cli_alloc_socket();
131 nl_cli_connect(sock, NETLINK_NETFILTER);
132
133 if ((err = nfnl_ct_add(sock, ct, nlflags)) < 0)
134 nl_cli_fatal(err, "Unable to add conntrack: %s", nl_geterror(err));
135
136 if (!quiet) {
137 printf("Added ");
138 nl_object_dump(OBJ_CAST(ct), ¶ms);
139 }
140
141 return 0;
142 }
143