1/*
2 * src/nl-addr-delete.c     Delete addresses
3 *
4 *	This library is free software; you can redistribute it and/or
5 *	modify it under the terms of the GNU General Public License as
6 *	published by the Free Software Foundation version 2 of the License.
7 *
8 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
9 */
10
11#include <netlink/cli/utils.h>
12#include <netlink/cli/addr.h>
13#include <netlink/cli/link.h>
14
15static struct nl_sock *sock;
16static int interactive = 0, default_yes = 0, quiet = 0;
17static int deleted = 0;
18
19static void print_usage(void)
20{
21	printf(
22"Usage: nl-addr-delete [OPTION]... [ADDRESS]\n"
23"\n"
24"Options\n"
25" -i, --interactive         Run interactively.\n"
26"     --yes                 Set default answer to yes.\n"
27" -q, --quiet               Do not print informal notifications.\n"
28" -h, --help                Show this help.\n"
29" -v, --version             Show versioning information.\n"
30"\n"
31"Address Options\n"
32" -a, --local=ADDR          Local address.\n"
33" -d, --dev=DEV             Associated network device.\n"
34"     --family=FAMILY       Family of local address.\n"
35"     --label=STRING        Address label (IPv4).\n"
36"     --peer=ADDR           Peer address (IPv4).\n"
37"     --scope=SCOPE         Address scope (IPv4).\n"
38"     --broadcast=ADDR      Broadcast address of network (IPv4).\n"
39"     --valid-lifetime=TS   Valid lifetime before route expires (IPv6).\n"
40"     --preferred=TIME      Preferred lifetime (IPv6).\n"
41"     --valid=TIME          Valid lifetime (IPv6).\n"
42	);
43
44	exit(0);
45}
46
47static void delete_cb(struct nl_object *obj, void *arg)
48{
49	struct rtnl_addr *addr = nl_object_priv(obj);
50	struct nl_dump_params params = {
51		.dp_type = NL_DUMP_LINE,
52		.dp_fd = stdout,
53	};
54	int err;
55
56	if (interactive && !nl_cli_confirm(obj, &params, default_yes))
57		return;
58
59	if ((err = rtnl_addr_delete(sock, addr, 0)) < 0)
60		nl_cli_fatal(err, "Unable to delete address: %s\n",
61			     nl_geterror(err));
62
63	if (!quiet) {
64		printf("Deleted ");
65		nl_object_dump(obj, &params);
66	}
67
68	deleted++;
69}
70
71int main(int argc, char *argv[])
72{
73	struct rtnl_addr *addr;
74	struct nl_cache *link_cache, *addr_cache;
75
76	sock = nl_cli_alloc_socket();
77	nl_cli_connect(sock, NETLINK_ROUTE);
78	link_cache = nl_cli_link_alloc_cache(sock);
79	addr_cache = nl_cli_addr_alloc_cache(sock);
80	addr = nl_cli_addr_alloc();
81
82	for (;;) {
83		int c, optidx = 0;
84		enum {
85			ARG_FAMILY = 257,
86			ARG_LABEL = 258,
87			ARG_YES,
88			ARG_PEER,
89			ARG_SCOPE,
90			ARG_BROADCAST,
91			ARG_PREFERRED,
92			ARG_VALID,
93		};
94		static struct option long_opts[] = {
95			{ "interactive", 0, 0, 'i' },
96			{ "yes", 0, 0, ARG_YES },
97			{ "quiet", 0, 0, 'q' },
98			{ "help", 0, 0, 'h' },
99			{ "version", 0, 0, 'v' },
100			{ "local", 1, 0, 'a' },
101			{ "dev", 1, 0, 'd' },
102			{ "family", 1, 0, ARG_FAMILY },
103			{ "label", 1, 0, ARG_LABEL },
104			{ "peer", 1, 0, ARG_PEER },
105			{ "scope", 1, 0, ARG_SCOPE },
106			{ "broadcast", 1, 0, ARG_BROADCAST },
107			{ "preferred", 1, 0, ARG_PREFERRED },
108			{ "valid", 1, 0, ARG_VALID },
109			{ 0, 0, 0, 0 }
110		};
111
112		c = getopt_long(argc, argv, "iqhva:d:", long_opts, &optidx);
113		if (c == -1)
114			break;
115
116		switch (c) {
117		case 'i': interactive = 1; break;
118		case ARG_YES: default_yes = 1; break;
119		case 'q': quiet = 1; break;
120		case 'h': print_usage(); break;
121		case 'v': nl_cli_print_version(); break;
122		case 'a': nl_cli_addr_parse_local(addr, optarg); break;
123		case 'd': nl_cli_addr_parse_dev(addr, link_cache, optarg); break;
124		case ARG_FAMILY: nl_cli_addr_parse_family(addr, optarg); break;
125		case ARG_LABEL: nl_cli_addr_parse_label(addr, optarg); break;
126		case ARG_PEER: nl_cli_addr_parse_peer(addr, optarg); break;
127		case ARG_SCOPE: nl_cli_addr_parse_scope(addr, optarg); break;
128		case ARG_BROADCAST: nl_cli_addr_parse_broadcast(addr, optarg); break;
129		case ARG_PREFERRED: nl_cli_addr_parse_preferred(addr, optarg); break;
130		case ARG_VALID: nl_cli_addr_parse_valid(addr, optarg); break;
131		}
132 	}
133
134	nl_cache_foreach_filter(addr_cache, OBJ_CAST(addr), delete_cb, NULL);
135
136	if (!quiet)
137		printf("Deleted %d addresses\n", deleted);
138
139	return 0;
140}
141