libnl: /data/src/libnl/src/nf-exp-list.c Source File

libnl 3.12.0

nf-exp-list.c
1/* SPDX-License-Identifier: LGPL-2.1-only */
2/*
3 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
4 * Copyright (c) 2007 Philip Craig <philipc@snapgear.com>
5 * Copyright (c) 2007 Secure Computing Corporation
6 * Copyright (c) 2012 Rich Fought <rich.fought@watchguard.com>
7 */
8
9#include "nl-default.h"
10
11#include <linux/netlink.h>
12
13#include <netlink/cli/utils.h>
14#include <netlink/cli/exp.h>
15
16static void print_usage(void)
17{
18 printf(
19 "Usage: nf-exp-list [OPTION]... [EXPECTATION ENTRY]\n"
20 "\n"
21 "Options\n"
22 " -f, --format=TYPE Output format { brief | details }\n"
23 " -h, --help Show this help\n"
24 " -v, --version Show versioning information\n"
25 "\n"
26 "Expectation Selection\n"
27 " -i, --id=NUM Identifier\n"
28 " --expect-proto=PROTOCOL Expectation protocol\n"
29 " --expect-src=ADDR Expectation source address\n"
30 " --expect-sport=PORT Expectation source port\n"
31 " --expect-dst=ADDR Expectation destination address\n"
32 " --expect-dport=PORT Expectation destination port\n"
33 " --master-proto=PROTOCOL Master conntrack protocol\n"
34 " --master-src=ADDR Master conntrack source address\n"
35 " --master-sport=PORT Master conntrack source port\n"
36 " --master-dst=ADDR Master conntrack destination address\n"
37 " --master-dport=PORT Master conntrack destination port\n"
38 " -F, --family=FAMILY Address family\n"
39 " --timeout=NUM Timeout value\n"
40 " --helper=STRING Helper Name\n"
41 //" --flags Flags\n"
42 );
43 exit(0);
44}
45
46int main(int argc, char *argv[])
47{
48 struct nl_sock *sock;
49 struct nl_cache *exp_cache;
50 struct nfnl_exp *exp;
51 struct nl_dump_params params = {
52 .dp_type = NL_DUMP_LINE,
53 .dp_fd = stdout,
54 };
55
56 exp = nl_cli_exp_alloc();
57
58 for (;;) {
59 int c, optidx = 0;
60 enum {
61 ARG_MARK = 270,
62 ARG_TCP_STATE = 271,
63 ARG_EXPECT_PROTO,
64 ARG_EXPECT_SRC,
65 ARG_EXPECT_SPORT,
66 ARG_EXPECT_DST,
67 ARG_EXPECT_DPORT,
68 ARG_MASTER_PROTO,
69 ARG_MASTER_SRC,
70 ARG_MASTER_SPORT,
71 ARG_MASTER_DST,
72 ARG_MASTER_DPORT,
73 ARG_TIMEOUT,
74 ARG_HELPER_NAME,
75 ARG_FLAGS,
76 };
77 static struct option long_opts[] = {
78 { "format", 1, 0, 'f' },
79 { "help", 0, 0, 'h' },
80 { "version", 0, 0, 'v' },
81 { "id", 1, 0, 'i' },
82 { "expect-proto", 1, 0, ARG_EXPECT_PROTO },
83 { "expect-src", 1, 0, ARG_EXPECT_SRC },
84 { "expect-sport", 1, 0, ARG_EXPECT_SPORT },
85 { "expect-dst", 1, 0, ARG_EXPECT_DST },
86 { "expect-dport", 1, 0, ARG_EXPECT_DPORT },
87 { "master-proto", 1, 0, ARG_MASTER_PROTO },
88 { "master-src", 1, 0, ARG_MASTER_SRC },
89 { "master-sport", 1, 0, ARG_MASTER_SPORT },
90 { "master-dst", 1, 0, ARG_MASTER_DST },
91 { "master-dport", 1, 0, ARG_MASTER_DPORT },
92 { "family", 1, 0, 'F' },
93 { "timeout", 1, 0, ARG_TIMEOUT },
94 { "helper", 1, 0, ARG_HELPER_NAME },
95 { "flags", 1, 0, ARG_FLAGS},
96 { 0, 0, 0, 0 }
97 };
98
99 c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx);
100 if (c == -1)
101 break;
102
103 switch (c) {
104 case '?': exit(NLE_INVAL);
105 case '4': nfnl_exp_set_family(exp, AF_INET); break;
106 case '6': nfnl_exp_set_family(exp, AF_INET6); break;
107 case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
108 case 'h': print_usage(); break;
109 case 'v': nl_cli_print_version(); break;
110 case 'i': nl_cli_exp_parse_id(exp, optarg); break;
111 case ARG_EXPECT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
112 case ARG_EXPECT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
113 case ARG_EXPECT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
114 case ARG_EXPECT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
115 case ARG_EXPECT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
116 case ARG_MASTER_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
117 case ARG_MASTER_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
118 case ARG_MASTER_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
119 case ARG_MASTER_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
120 case ARG_MASTER_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
121 case 'F': nl_cli_exp_parse_family(exp, optarg); break;
122 case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
123 case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;
124 case ARG_FLAGS: nl_cli_exp_parse_flags(exp, optarg); break;
125 }
126 }
127
128 sock = nl_cli_alloc_socket();
129 nl_cli_connect(sock, NETLINK_NETFILTER);
130 exp_cache = nl_cli_exp_alloc_cache(sock);
131
132 nl_cache_dump_filter(exp_cache, &params, OBJ_CAST(exp));
133
134 return 0;
135}
nl_cache_dump_filter
void nl_cache_dump_filter(struct nl_cache *cache, struct nl_dump_params *params, struct nl_object *filter)
Dump all elements of a cache (filtered).
Definition cache.c:1219
NL_DUMP_LINE
@ NL_DUMP_LINE
Dump object briefly on one line.
Definition types.h:20
nfnl_exp
Definition nl-netfilter.h:85
nl_dump_params
Dumping parameters.
Definition types.h:32