1 /*
2 * src/nf-exp-add.c Create an expectation
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
16 #include <netlink/cli/utils.h>
17 #include <netlink/cli/exp.h>
18
19 static int quiet = 0;
20
print_usage(void)21 static void print_usage(void)
22 {
23 printf(
24 "Usage: nf-exp-list [OPTION]... [CONNTRACK ENTRY]\n"
25 "\n"
26 "Options\n"
27 " --replace Replace the address if it exists.\n"
28 " -q, --quiet Do not print informal notifications.\n"
29 " -h, --help Show this help\n"
30 " -v, --version Show versioning information\n"
31 "\n"
32 "Expectation Selection\n"
33 " -i, --id=NUM Identifier\n"
34 " --expect-proto=PROTOCOL Expectation protocol\n"
35 " --expect-src=ADDR Expectation source address\n"
36 " --expect-sport=PORT Expectation source port\n"
37 " --expect-dst=ADDR Expectation destination address\n"
38 " --expect-dport=PORT Expectation destination port\n"
39 " --master-proto=PROTOCOL Master conntrack protocol\n"
40 " --master-src=ADDR Master conntrack source address\n"
41 " --master-sport=PORT Master conntrack source port\n"
42 " --master-dst=ADDR Master conntrack destination address\n"
43 " --master-dport=PORT Master conntrack destination port\n"
44 " --mask-proto=PROTOCOL Mask protocol\n"
45 " --mask-src=ADDR Mask source address\n"
46 " --mask-sport=PORT Mask source port\n"
47 " --mask-dst=ADDR Mask destination address\n"
48 " --mask-dport=PORT Mask destination port\n"
49 " -F, --family=FAMILY Address family\n"
50 " --timeout=NUM Timeout value\n"
51 " --helper=STRING Helper Name\n"
52 " --flags Flags (Kernel 2.6.37)\n"
53 );
54 exit(0);
55 }
56
main(int argc,char * argv[])57 int main(int argc, char *argv[])
58 {
59 struct nl_sock *sock;
60 struct nfnl_exp *exp;
61 struct nl_dump_params params = {
62 .dp_type = NL_DUMP_LINE,
63 .dp_fd = stdout,
64 };
65 int err, nlflags = NLM_F_CREATE;
66
67 exp = nl_cli_exp_alloc();
68
69 for (;;) {
70 int c, optidx = 0;
71 enum {
72 ARG_MARK = 270,
73 ARG_TCP_STATE = 271,
74 ARG_EXPECT_PROTO,
75 ARG_EXPECT_SRC,
76 ARG_EXPECT_SPORT,
77 ARG_EXPECT_DST,
78 ARG_EXPECT_DPORT,
79 ARG_MASTER_PROTO,
80 ARG_MASTER_SRC,
81 ARG_MASTER_SPORT,
82 ARG_MASTER_DST,
83 ARG_MASTER_DPORT,
84 ARG_MASK_PROTO,
85 ARG_MASK_SRC,
86 ARG_MASK_SPORT,
87 ARG_MASK_DST,
88 ARG_MASK_DPORT,
89 ARG_NAT_PROTO,
90 ARG_NAT_SRC,
91 ARG_NAT_SPORT,
92 ARG_NAT_DST,
93 ARG_NAT_DPORT,
94 ARG_NAT_DIR,
95 ARG_TIMEOUT,
96 ARG_HELPER_NAME,
97 ARG_REPLACE,
98 ARG_FLAGS,
99 };
100 static struct option long_opts[] = {
101 { "replace", 1, 0, ARG_REPLACE },
102 { "quiet", 0, 0, 'q' },
103 { "help", 0, 0, 'h' },
104 { "version", 0, 0, 'v' },
105 { "id", 1, 0, 'i' },
106 { "expect-proto", 1, 0, ARG_EXPECT_PROTO },
107 { "expect-src", 1, 0, ARG_EXPECT_SRC },
108 { "expect-sport", 1, 0, ARG_EXPECT_SPORT },
109 { "expect-dst", 1, 0, ARG_EXPECT_DST },
110 { "expect-dport", 1, 0, ARG_EXPECT_DPORT },
111 { "master-proto", 1, 0, ARG_MASTER_PROTO },
112 { "master-src", 1, 0, ARG_MASTER_SRC },
113 { "master-sport", 1, 0, ARG_MASTER_SPORT },
114 { "master-dst", 1, 0, ARG_MASTER_DST },
115 { "master-dport", 1, 0, ARG_MASTER_DPORT },
116 { "mask-proto", 1, 0, ARG_MASK_PROTO },
117 { "mask-src", 1, 0, ARG_MASK_SRC },
118 { "mask-sport", 1, 0, ARG_MASK_SPORT },
119 { "mask-dst", 1, 0, ARG_MASK_DST },
120 { "mask-dport", 1, 0, ARG_MASK_DPORT },
121 { "nat-proto", 1, 0, ARG_NAT_PROTO },
122 { "nat-src", 1, 0, ARG_NAT_SRC },
123 { "nat-sport", 1, 0, ARG_NAT_SPORT },
124 { "nat-dst", 1, 0, ARG_NAT_DST },
125 { "nat-dport", 1, 0, ARG_NAT_DPORT },
126 { "nat-dir", 1, 0, ARG_NAT_DIR },
127 { "family", 1, 0, 'F' },
128 { "timeout", 1, 0, ARG_TIMEOUT },
129 { "helper", 1, 0, ARG_HELPER_NAME },
130 { "flags", 1, 0, ARG_FLAGS},
131 { 0, 0, 0, 0 }
132 };
133
134 c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx);
135 if (c == -1)
136 break;
137
138 switch (c) {
139 case '?': exit(NLE_INVAL);
140 case ARG_REPLACE: nlflags |= NLM_F_REPLACE; break;
141 case 'q': quiet = 1; break;
142 case '4': nfnl_exp_set_family(exp, AF_INET); break;
143 case '6': nfnl_exp_set_family(exp, AF_INET6); break;
144 case 'h': print_usage(); break;
145 case 'v': nl_cli_print_version(); break;
146 case 'i': nl_cli_exp_parse_id(exp, optarg); break;
147 case ARG_EXPECT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
148 case ARG_EXPECT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
149 case ARG_EXPECT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
150 case ARG_EXPECT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
151 case ARG_EXPECT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
152 case ARG_MASTER_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
153 case ARG_MASTER_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
154 case ARG_MASTER_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
155 case ARG_MASTER_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
156 case ARG_MASTER_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
157 case ARG_MASK_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
158 case ARG_MASK_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
159 case ARG_MASK_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
160 case ARG_MASK_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
161 case ARG_MASK_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
162 case ARG_NAT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
163 case ARG_NAT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
164 case ARG_NAT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
165 case ARG_NAT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
166 case ARG_NAT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
167 case ARG_NAT_DIR: nl_cli_exp_parse_nat_dir(exp, optarg); break;
168 case 'F': nl_cli_exp_parse_family(exp, optarg); break;
169 case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
170 case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;
171 case ARG_FLAGS: nl_cli_exp_parse_flags(exp, optarg); break;
172 }
173 }
174
175 sock = nl_cli_alloc_socket();
176 nl_cli_connect(sock, NETLINK_NETFILTER);
177
178 if ((err = nfnl_exp_add(sock, exp, nlflags)) < 0)
179 nl_cli_fatal(err, "Unable to add expectation: %s", nl_geterror(err));
180
181 if (!quiet) {
182 printf("Added ");
183 nl_object_dump(OBJ_CAST(exp), ¶ms);
184 }
185
186 return 0;
187 }
188