libnl  3.7.0
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 <netlink/cli/utils.h>
10 #include <netlink/cli/exp.h>
11 
12 #include <linux/netlink.h>
13 
14 static void print_usage(void)
15 {
16  printf(
17  "Usage: nf-exp-list [OPTION]... [EXPECTATION ENTRY]\n"
18  "\n"
19  "Options\n"
20  " -f, --format=TYPE Output format { brief | details }\n"
21  " -h, --help Show this help\n"
22  " -v, --version Show versioning information\n"
23  "\n"
24  "Expectation Selection\n"
25  " -i, --id=NUM Identifier\n"
26  " --expect-proto=PROTOCOL Expectation protocol\n"
27  " --expect-src=ADDR Expectation source address\n"
28  " --expect-sport=PORT Expectation source port\n"
29  " --expect-dst=ADDR Expectation destination address\n"
30  " --expect-dport=PORT Expectation destination port\n"
31  " --master-proto=PROTOCOL Master conntrack protocol\n"
32  " --master-src=ADDR Master conntrack source address\n"
33  " --master-sport=PORT Master conntrack source port\n"
34  " --master-dst=ADDR Master conntrack destination address\n"
35  " --master-dport=PORT Master conntrack destination port\n"
36  " -F, --family=FAMILY Address family\n"
37  " --timeout=NUM Timeout value\n"
38  " --helper=STRING Helper Name\n"
39  //" --flags Flags\n"
40  );
41  exit(0);
42 }
43 
44 int main(int argc, char *argv[])
45 {
46  struct nl_sock *sock;
47  struct nl_cache *exp_cache;
48  struct nfnl_exp *exp;
49  struct nl_dump_params params = {
51  .dp_fd = stdout,
52  };
53 
54  exp = nl_cli_exp_alloc();
55 
56  for (;;) {
57  int c, optidx = 0;
58  enum {
59  ARG_MARK = 270,
60  ARG_TCP_STATE = 271,
61  ARG_EXPECT_PROTO,
62  ARG_EXPECT_SRC,
63  ARG_EXPECT_SPORT,
64  ARG_EXPECT_DST,
65  ARG_EXPECT_DPORT,
66  ARG_MASTER_PROTO,
67  ARG_MASTER_SRC,
68  ARG_MASTER_SPORT,
69  ARG_MASTER_DST,
70  ARG_MASTER_DPORT,
71  ARG_TIMEOUT,
72  ARG_HELPER_NAME,
73  ARG_FLAGS,
74  };
75  static struct option long_opts[] = {
76  { "format", 1, 0, 'f' },
77  { "help", 0, 0, 'h' },
78  { "version", 0, 0, 'v' },
79  { "id", 1, 0, 'i' },
80  { "expect-proto", 1, 0, ARG_EXPECT_PROTO },
81  { "expect-src", 1, 0, ARG_EXPECT_SRC },
82  { "expect-sport", 1, 0, ARG_EXPECT_SPORT },
83  { "expect-dst", 1, 0, ARG_EXPECT_DST },
84  { "expect-dport", 1, 0, ARG_EXPECT_DPORT },
85  { "master-proto", 1, 0, ARG_MASTER_PROTO },
86  { "master-src", 1, 0, ARG_MASTER_SRC },
87  { "master-sport", 1, 0, ARG_MASTER_SPORT },
88  { "master-dst", 1, 0, ARG_MASTER_DST },
89  { "master-dport", 1, 0, ARG_MASTER_DPORT },
90  { "family", 1, 0, 'F' },
91  { "timeout", 1, 0, ARG_TIMEOUT },
92  { "helper", 1, 0, ARG_HELPER_NAME },
93  { "flags", 1, 0, ARG_FLAGS},
94  { 0, 0, 0, 0 }
95  };
96 
97  c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx);
98  if (c == -1)
99  break;
100 
101  switch (c) {
102  case '?': exit(NLE_INVAL);
103  case '4': nfnl_exp_set_family(exp, AF_INET); break;
104  case '6': nfnl_exp_set_family(exp, AF_INET6); break;
105  case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
106  case 'h': print_usage(); break;
107  case 'v': nl_cli_print_version(); break;
108  case 'i': nl_cli_exp_parse_id(exp, optarg); break;
109  case ARG_EXPECT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
110  case ARG_EXPECT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
111  case ARG_EXPECT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
112  case ARG_EXPECT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
113  case ARG_EXPECT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
114  case ARG_MASTER_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
115  case ARG_MASTER_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
116  case ARG_MASTER_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
117  case ARG_MASTER_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
118  case ARG_MASTER_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
119  case 'F': nl_cli_exp_parse_family(exp, optarg); break;
120  case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
121  case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;
122  case ARG_FLAGS: nl_cli_exp_parse_flags(exp, optarg); break;
123  }
124  }
125 
126  sock = nl_cli_alloc_socket();
127  nl_cli_connect(sock, NETLINK_NETFILTER);
128  exp_cache = nl_cli_exp_alloc_cache(sock);
129 
130  nl_cache_dump_filter(exp_cache, &params, OBJ_CAST(exp));
131 
132  return 0;
133 }
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:1211
@ NL_DUMP_LINE
Dump object briefly on one line.
Definition: types.h:16
Dumping parameters.
Definition: types.h:28
enum nl_dump_type dp_type
Specifies the type of dump that is requested.
Definition: types.h:32