src/nl-addr-list.c

   1 /*
   2  * src/nl-addr-list.c     List 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 void print_usage(void)
  16 {
  17         printf(
  18 "Usage: nl-addr-list [OPTION]... [ADDRESS]\n"
  19 "\n"
  20 "Options\n"
  21 "     --details             Show details on multiple lines.\n"
  22 "     --env                 Print address details in sh env variable syntax.\n"
  23 "     --prefix=STRING       Prefix each printed line.\n"
  24 " -h, --help                Show this help.\n"
  25 " -v, --version             Show versioning information.\n"
  26 "\n"
  27 "Address Selection\n"
  28 " -a, --local=ADDR          Local address.\n"
  29 " -d, --dev=DEV             Associated network device.\n"
  30 "     --family=FAMILY       Family of local address.\n"
  31 "     --label=STRING        Address label (IPv4).\n"
  32 "     --peer=ADDR           Peer address (IPv4).\n"
  33 "     --scope=SCOPE         Address scope (IPv4).\n"
  34 "     --broadcast=ADDR      Broadcast address of network (IPv4).\n"
  35 "     --valid-lifetime=TS   Valid lifetime before route expires (IPv6).\n"
  36 "     --preferred=TIME      Preferred lifetime (IPv6).\n"
  37 "     --valid=TIME          Valid lifetime (IPv6).\n"
  38         );
  39         exit(0);
  40 }
  41
  42 static char *prefix;
  43
  44 void print_prefix(struct nl_dump_params *p, int line)
  45 {
  46         if (prefix)
  47                 nl_dump(p, "%s", prefix);
  48 }
  49
  50 static void env_dump(struct nl_object *obj, void *arg)
  51 {
  52         struct nl_dump_params *p = arg;
  53         struct rtnl_addr *addr = (struct rtnl_addr *) obj;
  54         struct nl_cache *link_cache;
  55         struct nl_addr *a;
  56         static int index = 0;
  57         char buf[128], pfx[32], *s;
  58
  59         snprintf(pfx, sizeof(pfx), "ADDR%d", index++);
  60
  61         nl_dump_line(p, "%s_FAMILY=%s\n", pfx,
  62                      nl_af2str(rtnl_addr_get_family(addr), buf, sizeof(buf)));
  63
  64         nl_dump_line(p, "%s_LOCAL=%s\n", pfx,
  65                      nl_addr2str(rtnl_addr_get_local(addr), buf, sizeof(buf)));
  66
  67         nl_dump_line(p, "%s_IFINDEX=%u\n", pfx, rtnl_addr_get_ifindex(addr));
  68         link_cache = nl_cache_mngt_require("route/link");
  69         if (link_cache)
  70                 nl_dump_line(p, "%s_IFNAME=%s\n", pfx,
  71                              rtnl_link_i2name(link_cache,
  72                                               rtnl_addr_get_ifindex(addr),
  73                                               buf, sizeof(buf)));
  74
  75         if ((a = rtnl_addr_get_peer(addr)))
  76                 nl_dump_line(p, "%s_PEER=%s\n", pfx,
  77                              nl_addr2str(a, buf, sizeof(buf)));
  78
  79         if ((a = rtnl_addr_get_broadcast(addr)))
  80                 nl_dump_line(p, "%s_BROADCAST=%s\n", pfx,
  81                              nl_addr2str(a, buf, sizeof(buf)));
  82
  83         nl_dump_line(p, "%s_SCOPE=%s\n", pfx,
  84                      rtnl_scope2str(rtnl_addr_get_scope(addr),
  85                                     buf, sizeof(buf)));
  86
  87         if ((s = rtnl_addr_get_label(addr)))
  88                 nl_dump_line(p, "%s_LABEL=%s\n", pfx, s);
  89
  90         rtnl_addr_flags2str(rtnl_addr_get_flags(addr), buf, sizeof(buf));
  91         if (buf[0])
  92                 nl_dump_line(p, "%s_FLAGS=%s\n", pfx, buf);
  93
  94         nl_dump_line(p, "%s_CACHEINFO_VALID=%u\n", pfx,
  95                      rtnl_addr_get_valid_lifetime(addr));
  96
  97 #if 0
  98         if (addr->ce_mask & ADDR_ATTR_CACHEINFO) {
  99                 struct rtnl_addr_cacheinfo *ci = &addr->a_cacheinfo;
 100
 101                 nl_dump_line(p, "ADDR_CACHEINFO_PREFERRED=%u\n",
 102                              ci->aci_prefered);
 103
 104                 nl_dump_line(p, "ADDR_CACHEINFO_CREATED=%u\n", ci->aci_cstamp);
 105                 nl_dump_line(p, "ADDR_CACHEINFO_LASTUPDATE=%u\n",
 106                              ci->aci_tstamp);
 107         }
 108 #endif
 109 }
 110
 111 int main(int argc, char *argv[])
 112 {
 113         struct nl_sock *sock;
 114         struct rtnl_addr *addr;
 115         struct nl_cache *link_cache, *addr_cache;
 116         struct nl_dump_params params = {
 117                 .dp_type = NL_DUMP_LINE,
 118                 .dp_nl_cb = print_prefix,
 119                 .dp_fd = stdout,
 120         };
 121         int dump_env = 0;
 122
 123         sock = nl_cli_alloc_socket();
 124         nl_cli_connect(sock, NETLINK_ROUTE);
 125         link_cache = nl_cli_link_alloc_cache(sock);
 126         addr_cache = nl_cli_addr_alloc_cache(sock);
 127         addr = nl_cli_addr_alloc();
 128
 129         for (;;) {
 130                 int c, optidx = 0;
 131                 enum {
 132                         ARG_FAMILY = 257,
 133                         ARG_LABEL = 258,
 134                         ARG_PEER,
 135                         ARG_SCOPE,
 136                         ARG_BROADCAST,
 137                         ARG_DETAILS,
 138                         ARG_ENV,
 139                         ARG_PREFIX,
 140                         ARG_PREFERRED,
 141                         ARG_VALID,
 142                 };
 143                 static struct option long_opts[] = {
 144                         { "details", 0, 0, ARG_DETAILS },
 145                         { "env", 0, 0, ARG_ENV },
 146                         { "prefix", 1, 0, ARG_PREFIX },
 147                         { "help", 0, 0, 'h' },
 148                         { "version", 0, 0, 'v' },
 149                         { "local", 1, 0, 'a' },
 150                         { "dev", 1, 0, 'd' },
 151                         { "family", 1, 0, ARG_FAMILY },
 152                         { "label", 1, 0, ARG_LABEL },
 153                         { "peer", 1, 0, ARG_PEER },
 154                         { "scope", 1, 0, ARG_SCOPE },
 155                         { "broadcast", 1, 0, ARG_BROADCAST },
 156                         { "preferred", 1, 0, ARG_PREFERRED },
 157                         { "valid", 1, 0, ARG_VALID },
 158                         { 0, 0, 0, 0 }
 159                 };
 160
 161                 c = getopt_long(argc, argv, "46hva:d:", long_opts, &optidx);
 162                 if (c == -1)
 163                         break;
 164
 165                 switch (c) {
 166                 case '?': exit(NLE_INVAL);
 167                 case '4': rtnl_addr_set_family(addr, AF_INET); break;
 168                 case '6': rtnl_addr_set_family(addr, AF_INET6); break;
 169                 case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;
 170                 case ARG_ENV: dump_env = 1; break;
 171                 case ARG_PREFIX: prefix = strdup(optarg); break;
 172                 case 'h': print_usage(); break;
 173                 case 'v': nl_cli_print_version(); break;
 174                 case 'a': nl_cli_addr_parse_local(addr, optarg); break;
 175                 case 'd': nl_cli_addr_parse_dev(addr, link_cache, optarg); break;
 176                 case ARG_FAMILY: nl_cli_addr_parse_family(addr, optarg); break;
 177                 case ARG_LABEL: nl_cli_addr_parse_label(addr, optarg); break;
 178                 case ARG_PEER: nl_cli_addr_parse_peer(addr, optarg); break;
 179                 case ARG_SCOPE: nl_cli_addr_parse_scope(addr, optarg); break;
 180                 case ARG_BROADCAST: nl_cli_addr_parse_broadcast(addr, optarg); break;
 181                 case ARG_PREFERRED: nl_cli_addr_parse_preferred(addr, optarg); break;
 182                 case ARG_VALID: nl_cli_addr_parse_valid(addr, optarg); break;
 183                 }
 184         }
 185
 186         if (dump_env)
 187                 nl_cache_foreach_filter(addr_cache, OBJ_CAST(addr), env_dump,
 188                                         &params);
 189         else
 190                 nl_cache_dump_filter(addr_cache, &params, OBJ_CAST(addr));
 191
 192         return 0;
 193 }