summaryrefslogtreecommitdiff
path: root/src/nf-ct-list.c
blob: 5f72998896bea71e94f0844ce324789c509b528d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
 * src/nf-ct-list.c     List Conntrack Entries
 *
 *	This library 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 version 2.1
 *	of the License.
 *
 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
 * Copyright (c) 2007 Philip Craig <philipc@snapgear.com>
 * Copyright (c) 2007 Secure Computing Corporation
 */

#include <netlink/cli/utils.h>
#include <netlink/cli/ct.h>

static void print_usage(void)
{
	printf(
	"Usage: nf-ct-list [OPTION]... [CONNTRACK ENTRY]\n"
	"\n"
	"Options\n"
	" -f, --format=TYPE     Output format { brief | details | stats }\n"
	" -h, --help            Show this help\n"
	" -v, --version         Show versioning information\n"
	"\n"
	"Conntrack Selection\n"
	" -i, --id=NUM            Identifier\n"
	" -p, --proto=PROTOCOL    Protocol\n"
	"     --tcp-state=STATE   TCP connection state\n"
	"     --orig-src=ADDR     Original source address\n"
	"     --orig-sport=PORT   Original source port\n"
	"     --orig-dst=ADDR     Original destination address\n"
	"     --orig-dport=PORT   Original destination port\n"
	"     --reply-src=ADDR    Reply source address\n"
	"     --reply-sport=PORT  Reply source port\n"
	"     --reply-dst=ADDR    Reply destination address\n"
	"     --reply-dport=PORT  Reply destination port\n"
	" -F, --family=FAMILY     Address family\n"
	"     --mark=NUM          Mark value\n"
	"     --timeout=NUM       Timeout value\n"
	"     --refcnt=NUM        Use counter value\n"
	"     --flags             Flags\n"
	);
	exit(0);
}

int main(int argc, char *argv[])
{
	struct nl_sock *sock;
	struct nl_cache *ct_cache;
	struct nfnl_ct *ct;
	struct nl_dump_params params = {
		.dp_type = NL_DUMP_LINE,
		.dp_fd = stdout,
	};
 
 	ct = nl_cli_ct_alloc();
 
	for (;;) {
		int c, optidx = 0;
		enum {
			ARG_MARK = 257,
			ARG_TCP_STATE = 258,
			ARG_ORIG_SRC,
			ARG_ORIG_SPORT,
			ARG_ORIG_DST,
			ARG_ORIG_DPORT,
			ARG_REPLY_SRC,
			ARG_REPLY_SPORT,
			ARG_REPLY_DST,
			ARG_REPLY_DPORT,
			ARG_TIMEOUT,
			ARG_REFCNT,
			ARG_FLAGS,
		};
		static struct option long_opts[] = {
			{ "format", 1, 0, 'f' },
			{ "help", 0, 0, 'h' },
			{ "version", 0, 0, 'v' },
			{ "id", 1, 0, 'i' },
			{ "proto", 1, 0, 'p' },
			{ "tcp-state", 1, 0, ARG_TCP_STATE },
			{ "orig-src", 1, 0, ARG_ORIG_SRC },
			{ "orig-sport", 1, 0, ARG_ORIG_SPORT },
			{ "orig-dst", 1, 0, ARG_ORIG_DST },
			{ "orig-dport", 1, 0, ARG_ORIG_DPORT },
			{ "reply-src", 1, 0, ARG_REPLY_SRC },
			{ "reply-sport", 1, 0, ARG_REPLY_SPORT },
			{ "reply-dst", 1, 0, ARG_REPLY_DST },
			{ "reply-dport", 1, 0, ARG_REPLY_DPORT },
			{ "family", 1, 0, 'F' },
			{ "mark", 1, 0, ARG_MARK },
			{ "timeout", 1, 0, ARG_TIMEOUT },
			{ "refcnt", 1, 0, ARG_REFCNT },
			{ 0, 0, 0, 0 }
		};
	
		c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx);
		if (c == -1)
			break;

		switch (c) {
		case '?': exit(NLE_INVAL);
		case '4': nfnl_ct_set_family(ct, AF_INET); break;
		case '6': nfnl_ct_set_family(ct, AF_INET6); break;
		case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
		case 'h': print_usage(); break;
		case 'v': nl_cli_print_version(); break;
		case 'i': nl_cli_ct_parse_id(ct, optarg); break;
		case 'p': nl_cli_ct_parse_protocol(ct, optarg); break;
		case ARG_TCP_STATE: nl_cli_ct_parse_tcp_state(ct, optarg); break;
		case ARG_ORIG_SRC: nl_cli_ct_parse_src(ct, 0, optarg); break;
		case ARG_ORIG_SPORT: nl_cli_ct_parse_src_port(ct, 0, optarg); break;
		case ARG_ORIG_DST: nl_cli_ct_parse_dst(ct, 0, optarg); break;
		case ARG_ORIG_DPORT: nl_cli_ct_parse_dst_port(ct, 0, optarg); break;
		case ARG_REPLY_SRC: nl_cli_ct_parse_src(ct, 1, optarg); break;
		case ARG_REPLY_SPORT: nl_cli_ct_parse_src_port(ct, 1, optarg); break;
		case ARG_REPLY_DST: nl_cli_ct_parse_dst(ct, 1, optarg); break;
		case ARG_REPLY_DPORT: nl_cli_ct_parse_dst_port(ct, 1, optarg); break;
		case 'F': nl_cli_ct_parse_family(ct, optarg); break;
		case ARG_MARK: nl_cli_ct_parse_mark(ct, optarg); break;
		case ARG_TIMEOUT: nl_cli_ct_parse_timeout(ct, optarg); break;
		case ARG_REFCNT: nl_cli_ct_parse_use(ct, optarg); break;
		case ARG_FLAGS: nl_cli_ct_parse_status(ct, optarg); break;
		}
 	}

	sock = nl_cli_alloc_socket();
	nl_cli_connect(sock, NETLINK_NETFILTER);
	ct_cache = nl_cli_ct_alloc_cache(sock);

	nl_cache_dump_filter(ct_cache, &params, OBJ_CAST(ct));

	return 0;
}