summaryrefslogtreecommitdiffstats
path: root/src/nl-addr-list.c
blob: 9b045a524c9de23076c610fb7c7dc69ca20d101c (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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
/*
 * src/nl-addr-list.c     List addresses
 *
 *	This library is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU General Public License as
 *	published by the Free Software Foundation version 2 of the License.
 *
 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
 */

#include <netlink/cli/utils.h>
#include <netlink/cli/addr.h>
#include <netlink/cli/link.h>

static void print_usage(void)
{
	printf(
"Usage: nl-addr-list [OPTION]... [ADDRESS]\n"
"\n"
"Options\n"
"     --details             Show details on multiple lines.\n"
"     --env                 Print address details in sh env variable syntax.\n"
"     --prefix=STRING       Prefix each printed line.\n"
" -h, --help                Show this help.\n"
" -v, --version             Show versioning information.\n"
"\n"
"Address Selection\n"
" -a, --local=ADDR          Local address.\n"
" -d, --dev=DEV             Associated network device.\n"
"     --family=FAMILY       Family of local address.\n"
"     --label=STRING        Address label (IPv4).\n"
"     --peer=ADDR           Peer address (IPv4).\n"
"     --scope=SCOPE         Address scope (IPv4).\n"
"     --broadcast=ADDR      Broadcast address of network (IPv4).\n"
"     --valid-lifetime=TS   Valid lifetime before route expires (IPv6).\n"
"     --preferred=TIME      Preferred lifetime (IPv6).\n"
"     --valid=TIME          Valid lifetime (IPv6).\n"
	);
	exit(0);
}

static char *prefix;

void print_prefix(struct nl_dump_params *p, int line)
{
	if (prefix)
		nl_dump(p, "%s", prefix);
}

static void env_dump(struct nl_object *obj, void *arg)
{
	struct nl_dump_params *p = arg;
	struct rtnl_addr *addr = (struct rtnl_addr *) obj;
	struct nl_cache *link_cache;
	struct nl_addr *a;
	static int index = 0;
	char buf[128], pfx[32], *s;

	snprintf(pfx, sizeof(pfx), "ADDR%d", index++);

	nl_dump_line(p, "%s_FAMILY=%s\n", pfx,
		     nl_af2str(rtnl_addr_get_family(addr), buf, sizeof(buf)));

	nl_dump_line(p, "%s_LOCAL=%s\n", pfx,
		     nl_addr2str(rtnl_addr_get_local(addr), buf, sizeof(buf)));

	nl_dump_line(p, "%s_IFINDEX=%u\n", pfx, rtnl_addr_get_ifindex(addr));
	link_cache = nl_cache_mngt_require("route/link");
	if (link_cache)
		nl_dump_line(p, "%s_IFNAME=%s\n", pfx,
			     rtnl_link_i2name(link_cache,
			     		      rtnl_addr_get_ifindex(addr),
			     		      buf, sizeof(buf)));

	if ((a = rtnl_addr_get_peer(addr)))
		nl_dump_line(p, "%s_PEER=%s\n", pfx,
			     nl_addr2str(a, buf, sizeof(buf)));

	if ((a = rtnl_addr_get_broadcast(addr)))
		nl_dump_line(p, "%s_BROADCAST=%s\n", pfx,
			     nl_addr2str(a, buf, sizeof(buf)));

	nl_dump_line(p, "%s_SCOPE=%s\n", pfx,
		     rtnl_scope2str(rtnl_addr_get_scope(addr),
				    buf, sizeof(buf)));

	if ((s = rtnl_addr_get_label(addr)))
		nl_dump_line(p, "%s_LABEL=%s\n", pfx, s);

	rtnl_addr_flags2str(rtnl_addr_get_flags(addr), buf, sizeof(buf));
	if (buf[0])
		nl_dump_line(p, "%s_FLAGS=%s\n", pfx, buf);

	nl_dump_line(p, "%s_CACHEINFO_VALID=%u\n", pfx,
		     rtnl_addr_get_valid_lifetime(addr));

#if 0
	if (addr->ce_mask & ADDR_ATTR_CACHEINFO) {
		struct rtnl_addr_cacheinfo *ci = &addr->a_cacheinfo;

		nl_dump_line(p, "ADDR_CACHEINFO_PREFERRED=%u\n",
			     ci->aci_prefered);

		nl_dump_line(p, "ADDR_CACHEINFO_CREATED=%u\n", ci->aci_cstamp);
		nl_dump_line(p, "ADDR_CACHEINFO_LASTUPDATE=%u\n",
			     ci->aci_tstamp);
	}
#endif
}

int main(int argc, char *argv[])
{
	struct nl_sock *sock;
	struct rtnl_addr *addr;
	struct nl_cache *link_cache, *addr_cache;
	struct nl_dump_params params = {
		.dp_type = NL_DUMP_LINE,
		.dp_nl_cb = print_prefix,
		.dp_fd = stdout,
	};
	int dump_env = 0;

	sock = nl_cli_alloc_socket();
	nl_cli_connect(sock, NETLINK_ROUTE);
	link_cache = nl_cli_link_alloc_cache(sock);
	addr_cache = nl_cli_addr_alloc_cache(sock);
	addr = nl_cli_addr_alloc();

	for (;;) {
		int c, optidx = 0;
		enum {
			ARG_FAMILY = 257,
			ARG_LABEL = 258,
			ARG_PEER,
			ARG_SCOPE,
			ARG_BROADCAST,
			ARG_DETAILS,
			ARG_ENV,
			ARG_PREFIX,
			ARG_PREFERRED,
			ARG_VALID,
		};
		static struct option long_opts[] = {
			{ "details", 0, 0, ARG_DETAILS },
			{ "env", 0, 0, ARG_ENV },
			{ "prefix", 1, 0, ARG_PREFIX },
			{ "help", 0, 0, 'h' },
			{ "version", 0, 0, 'v' },
			{ "local", 1, 0, 'a' },
			{ "dev", 1, 0, 'd' },
			{ "family", 1, 0, ARG_FAMILY },
			{ "label", 1, 0, ARG_LABEL },
			{ "peer", 1, 0, ARG_PEER },
			{ "scope", 1, 0, ARG_SCOPE },
			{ "broadcast", 1, 0, ARG_BROADCAST },
			{ "preferred", 1, 0, ARG_PREFERRED },
			{ "valid", 1, 0, ARG_VALID },
			{ 0, 0, 0, 0 }
		};

		c = getopt_long(argc, argv, "46hva:d:", long_opts, &optidx);
		if (c == -1)
			break;

		switch (c) {
		case '?': exit(NLE_INVAL);
		case '4': rtnl_addr_set_family(addr, AF_INET); break;
		case '6': rtnl_addr_set_family(addr, AF_INET6); break;
		case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;
		case ARG_ENV: dump_env = 1; break;
		case ARG_PREFIX: prefix = strdup(optarg); break;
		case 'h': print_usage(); break;
		case 'v': nl_cli_print_version(); break;
		case 'a': nl_cli_addr_parse_local(addr, optarg); break;
		case 'd': nl_cli_addr_parse_dev(addr, link_cache, optarg); break;
		case ARG_FAMILY: nl_cli_addr_parse_family(addr, optarg); break;
		case ARG_LABEL: nl_cli_addr_parse_label(addr, optarg); break;
		case ARG_PEER: nl_cli_addr_parse_peer(addr, optarg); break;
		case ARG_SCOPE: nl_cli_addr_parse_scope(addr, optarg); break;
		case ARG_BROADCAST: nl_cli_addr_parse_broadcast(addr, optarg); break;
		case ARG_PREFERRED: nl_cli_addr_parse_preferred(addr, optarg); break;
		case ARG_VALID: nl_cli_addr_parse_valid(addr, optarg); break;
		}
	}

	if (dump_env)
		nl_cache_foreach_filter(addr_cache, OBJ_CAST(addr), env_dump,
					&params);
	else
		nl_cache_dump_filter(addr_cache, &params, OBJ_CAST(addr));

	return 0;
}