libnl  3.2.24-rc1
nf-exp-list.c
1 /*
2  * src/nf-exp-list.c List Expectation 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  * Copyright (c) 2012 Rich Fought <rich.fought@watchguard.com>
13  */
14 
15 #include <netlink/cli/utils.h>
16 #include <netlink/cli/exp.h>
17 
18 static void print_usage(void)
19 {
20  printf(
21  "Usage: nf-exp-list [OPTION]... [EXPECTATION ENTRY]\n"
22  "\n"
23  "Options\n"
24  " -f, --format=TYPE Output format { brief | details }\n"
25  " -h, --help Show this help\n"
26  " -v, --version Show versioning information\n"
27  "\n"
28  "Expectation Selection\n"
29  " -i, --id=NUM Identifier\n"
30  " --expect-proto=PROTOCOL Expectation protocol\n"
31  " --expect-src=ADDR Expectation source address\n"
32  " --expect-sport=PORT Expectation source port\n"
33  " --expect-dst=ADDR Expectation destination address\n"
34  " --expect-dport=PORT Expectation destination port\n"
35  " --master-proto=PROTOCOL Master conntrack protocol\n"
36  " --master-src=ADDR Master conntrack source address\n"
37  " --master-sport=PORT Master conntrack source port\n"
38  " --master-dst=ADDR Master conntrack destination address\n"
39  " --master-dport=PORT Master conntrack destination port\n"
40  " -F, --family=FAMILY Address family\n"
41  " --timeout=NUM Timeout value\n"
42  " --helper=STRING Helper Name\n"
43  //" --flags Flags\n"
44  );
45  exit(0);
46 }
47 
48 int main(int argc, char *argv[])
49 {
50  struct nl_sock *sock;
51  struct nl_cache *exp_cache;
52  struct nfnl_exp *exp;
53  struct nl_dump_params params = {
54  .dp_type = NL_DUMP_LINE,
55  .dp_fd = stdout,
56  };
57 
58  exp = nl_cli_exp_alloc();
59 
60  for (;;) {
61  int c, optidx = 0;
62  enum {
63  ARG_MARK = 270,
64  ARG_TCP_STATE = 271,
65  ARG_EXPECT_PROTO,
66  ARG_EXPECT_SRC,
67  ARG_EXPECT_SPORT,
68  ARG_EXPECT_DST,
69  ARG_EXPECT_DPORT,
70  ARG_MASTER_PROTO,
71  ARG_MASTER_SRC,
72  ARG_MASTER_SPORT,
73  ARG_MASTER_DST,
74  ARG_MASTER_DPORT,
75  ARG_TIMEOUT,
76  ARG_HELPER_NAME,
77  ARG_FLAGS,
78  };
79  static struct option long_opts[] = {
80  { "format", 1, 0, 'f' },
81  { "help", 0, 0, 'h' },
82  { "version", 0, 0, 'v' },
83  { "id", 1, 0, 'i' },
84  { "expect-proto", 1, 0, ARG_EXPECT_PROTO },
85  { "expect-src", 1, 0, ARG_EXPECT_SRC },
86  { "expect-sport", 1, 0, ARG_EXPECT_SPORT },
87  { "expect-dst", 1, 0, ARG_EXPECT_DST },
88  { "expect-dport", 1, 0, ARG_EXPECT_DPORT },
89  { "master-proto", 1, 0, ARG_MASTER_PROTO },
90  { "master-src", 1, 0, ARG_MASTER_SRC },
91  { "master-sport", 1, 0, ARG_MASTER_SPORT },
92  { "master-dst", 1, 0, ARG_MASTER_DST },
93  { "master-dport", 1, 0, ARG_MASTER_DPORT },
94  { "family", 1, 0, 'F' },
95  { "timeout", 1, 0, ARG_TIMEOUT },
96  { "helper", 1, 0, ARG_HELPER_NAME },
97  { "flags", 1, 0, ARG_FLAGS},
98  { 0, 0, 0, 0 }
99  };
100 
101  c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx);
102  if (c == -1)
103  break;
104 
105  switch (c) {
106  case '?': exit(NLE_INVAL);
107  case '4': nfnl_exp_set_family(exp, AF_INET); break;
108  case '6': nfnl_exp_set_family(exp, AF_INET6); break;
109  case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
110  case 'h': print_usage(); break;
111  case 'v': nl_cli_print_version(); break;
112  case 'i': nl_cli_exp_parse_id(exp, optarg); break;
113  case ARG_EXPECT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
114  case ARG_EXPECT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
115  case ARG_EXPECT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
116  case ARG_EXPECT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
117  case ARG_EXPECT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
118  case ARG_MASTER_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
119  case ARG_MASTER_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
120  case ARG_MASTER_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
121  case ARG_MASTER_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
122  case ARG_MASTER_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
123  case 'F': nl_cli_exp_parse_family(exp, optarg); break;
124  case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
125  case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;
126  case ARG_FLAGS: nl_cli_exp_parse_flags(exp, optarg); break;
127  }
128  }
129 
130  sock = nl_cli_alloc_socket();
131  nl_cli_connect(sock, NETLINK_NETFILTER);
132  exp_cache = nl_cli_exp_alloc_cache(sock);
133 
134  nl_cache_dump_filter(exp_cache, &params, OBJ_CAST(exp));
135 
136  return 0;
137 }