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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 (at) 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 
     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 
     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 
     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