summaryrefslogtreecommitdiffstats
path: root/src/nf-exp-delete.c
blob: 2ec45aea187232b8e7faa990d8dc96d01c731e4c (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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/*
 * src/nf-exp-delete.c     Delete an expectation
 *
 *	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
 * Copyright (c) 2012 Rich Fought <rich.fought@watchguard.com>
 */

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

static int quiet = 0;

static void print_usage(void)
{
	printf(
	"Usage: nf-exp-list [OPTION]... [CONNTRACK ENTRY]\n"
	"\n"
	"Options\n"
	"     --replace             Replace the address if it exists.\n"
	" -q, --quiet               Do not print informal notifications.\n"
	" -h, --help                Show this help\n"
	" -v, --version             Show versioning information\n"
	"\n"
	"Expectation Selection\n"
	" -i, --id=NUM                Identifier\n"
	"     --expect-proto=PROTOCOL Expectation protocol\n"
	"     --expect-src=ADDR       Expectation source address\n"
	"     --expect-sport=PORT     Expectation source port\n"
	"     --expect-dst=ADDR       Expectation destination address\n"
	"     --expect-dport=PORT     Expectation destination port\n"
	"     --master-proto=PROTOCOL Master conntrack protocol\n"
	"     --master-src=ADDR       Master conntrack source address\n"
	"     --master-sport=PORT     Master conntrack source port\n"
	"     --master-dst=ADDR       Master conntrack destination address\n"
	"     --master-dport=PORT     Master conntrack destination port\n"
	"     --mask-proto=PROTOCOL   Mask protocol\n"
	"     --mask-src=ADDR         Mask source address\n"
	"     --mask-sport=PORT       Mask source port\n"
	"     --mask-dst=ADDR         Mask destination address\n"
	"     --mask-dport=PORT       Mask destination port\n"
	" -F, --family=FAMILY         Address family\n"
	"     --timeout=NUM           Timeout value\n"
	"     --helper=STRING         Helper Name\n"
	"     --flags                 Flags\n"
	);
	exit(0);
}

int main(int argc, char *argv[])
{
	struct nl_sock *sock;
	struct nfnl_exp *exp;
	struct nl_dump_params params = {
		.dp_type = NL_DUMP_LINE,
		.dp_fd = stdout,
	};
	int err, nlflags = 0;

 	exp = nl_cli_exp_alloc();
 
	for (;;) {
		int c, optidx = 0;
		enum {
			ARG_MARK = 270,
			ARG_TCP_STATE = 271,
			ARG_EXPECT_PROTO,
			ARG_EXPECT_SRC,
			ARG_EXPECT_SPORT,
			ARG_EXPECT_DST,
			ARG_EXPECT_DPORT,
			ARG_MASTER_PROTO,
			ARG_MASTER_SRC,
			ARG_MASTER_SPORT,
			ARG_MASTER_DST,
			ARG_MASTER_DPORT,
 			ARG_MASK_PROTO,
 			ARG_MASK_SRC,
			ARG_MASK_SPORT,
			ARG_MASK_DST,
			ARG_MASK_DPORT,
			ARG_TIMEOUT,
 			ARG_HELPER_NAME,
			ARG_FLAGS,
		};
		static struct option long_opts[] = {
 			{ "quiet", 0, 0, 'q' },
			{ "help", 0, 0, 'h' },
			{ "version", 0, 0, 'v' },
			{ "id", 1, 0, 'i' },
			{ "expect-proto", 1, 0, ARG_EXPECT_PROTO },
			{ "expect-src", 1, 0, ARG_EXPECT_SRC },
			{ "expect-sport", 1, 0, ARG_EXPECT_SPORT },
			{ "expect-dst", 1, 0, ARG_EXPECT_DST },
			{ "expect-dport", 1, 0, ARG_EXPECT_DPORT },
			{ "master-proto", 1, 0, ARG_MASTER_PROTO },
			{ "master-src", 1, 0, ARG_MASTER_SRC },
			{ "master-sport", 1, 0, ARG_MASTER_SPORT },
			{ "master-dst", 1, 0, ARG_MASTER_DST },
			{ "master-dport", 1, 0, ARG_MASTER_DPORT },
			{ "mask-proto", 1, 0, ARG_MASK_PROTO },
 			{ "mask-src", 1, 0, ARG_MASK_SRC },
 			{ "mask-sport", 1, 0, ARG_MASK_SPORT },
 			{ "mask-dst", 1, 0, ARG_MASK_DST },
 			{ "mask-dport", 1, 0, ARG_MASK_DPORT },
			{ "family", 1, 0, 'F' },
			{ "timeout", 1, 0, ARG_TIMEOUT },
			{ "helper", 1, 0, ARG_HELPER_NAME },
 			{ "flags", 1, 0, ARG_FLAGS},
			{ 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 'q': quiet = 1; break;
		case '4': nfnl_exp_set_family(exp, AF_INET); break;
		case '6': nfnl_exp_set_family(exp, AF_INET6); break;
		case 'h': print_usage(); break;
		case 'v': nl_cli_print_version(); break;
		case 'i': nl_cli_exp_parse_id(exp, optarg); break;
		case ARG_EXPECT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
		case ARG_EXPECT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
		case ARG_EXPECT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
		case ARG_EXPECT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
		case ARG_EXPECT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
		case ARG_MASTER_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
		case ARG_MASTER_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
		case ARG_MASTER_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
		case ARG_MASTER_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
		case ARG_MASTER_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
		case ARG_MASK_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
		case ARG_MASK_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
		case ARG_MASK_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
		case ARG_MASK_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
 		case ARG_MASK_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
		case 'F': nl_cli_exp_parse_family(exp, optarg); break;
		case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
		case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;
		case ARG_FLAGS: nl_cli_exp_parse_flags(exp, optarg); break;
		}
 	}

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

	if ((err = nfnl_exp_del(sock, exp, nlflags)) < 0)
		nl_cli_fatal(err, "Unable to delete expectation: %s", nl_geterror(err));

	if (!quiet) {
		printf("Deleted ");
		nl_object_dump(OBJ_CAST(exp), &params);
	}

	return 0;
}