src/nl-addr-delete.c

   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
  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 }