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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 
15 static struct nl_sock *sock;
16 static int interactive = 0, default_yes = 0, quiet = 0;
17 static int deleted = 0;
18 
print_usage(void)19 static 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 
delete_cb(struct nl_object * obj,void * arg)47 static 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 
main(int argc,char * argv[])71 int 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