libnl  3.2.24-rc1
nl-addr-add.c
1 /*
2  * src/nl-addr-add.c Add 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 int quiet = 0;
16 
17 static void print_usage(void)
18 {
19  printf(
20 "Usage: nl-addr-add [OPTION]... [ADDRESS]\n"
21 "\n"
22 "Options\n"
23 " --replace Replace the address if it exists.\n"
24 " -q, --quiet Do not print informal notifications.\n"
25 " -h, --help Show this help.\n"
26 " -v, --version Show versioning information.\n"
27 "\n"
28 "Address Options\n"
29 " -a, --local=ADDR Address to be considered local.\n"
30 " -d, --dev=DEV Device the address should be assigned to.\n"
31 " --family=FAMILY Address family (normally autodetected).\n"
32 " --broadcast=ADDR Broadcast address of network (IPv4).\n"
33 " --peer=ADDR Peer address (IPv4).\n"
34 " --label=STRING Additional address label (IPv4).\n"
35 " --scope=SCOPE Scope of local address (IPv4).\n"
36 " --preferred=TIME Preferred lifetime (IPv6).\n"
37 " --valid=TIME Valid lifetime (IPv6).\n"
38  );
39 
40  exit(0);
41 }
42 
43 int main(int argc, char *argv[])
44 {
45  struct nl_sock *sock;
46  struct rtnl_addr *addr;
47  struct nl_cache *link_cache;
48  struct nl_dump_params dp = {
50  .dp_fd = stdout,
51  };
52  int err, nlflags = NLM_F_CREATE;
53 
54  sock = nl_cli_alloc_socket();
55  nl_cli_connect(sock, NETLINK_ROUTE);
56  link_cache = nl_cli_link_alloc_cache(sock);
57  addr = nl_cli_addr_alloc();
58 
59  for (;;) {
60  int c, optidx = 0;
61  enum {
62  ARG_FAMILY = 257,
63  ARG_LABEL = 258,
64  ARG_PEER,
65  ARG_SCOPE,
66  ARG_BROADCAST,
67  ARG_REPLACE,
68  ARG_PREFERRED,
69  ARG_VALID,
70  };
71  static struct option long_opts[] = {
72  { "replace", 0, 0, ARG_REPLACE },
73  { "quiet", 0, 0, 'q' },
74  { "help", 0, 0, 'h' },
75  { "version", 0, 0, 'v' },
76  { "local", 1, 0, 'a' },
77  { "dev", 1, 0, 'd' },
78  { "family", 1, 0, ARG_FAMILY },
79  { "label", 1, 0, ARG_LABEL },
80  { "peer", 1, 0, ARG_PEER },
81  { "scope", 1, 0, ARG_SCOPE },
82  { "broadcast", 1, 0, ARG_BROADCAST },
83  { "preferred", 1, 0, ARG_PREFERRED },
84  { "valid", 1, 0, ARG_VALID },
85  { 0, 0, 0, 0 }
86  };
87 
88  c = getopt_long(argc, argv, "qhva:d:", long_opts, &optidx);
89  if (c == -1)
90  break;
91 
92  switch (c) {
93  case '?': exit(NLE_INVAL);
94  case ARG_REPLACE: nlflags |= NLM_F_REPLACE; break;
95  case 'q': quiet = 1; break;
96  case 'h': print_usage(); break;
97  case 'v': nl_cli_print_version(); break;
98  case 'a': nl_cli_addr_parse_local(addr, optarg); break;
99  case 'd': nl_cli_addr_parse_dev(addr, link_cache, optarg); break;
100  case ARG_FAMILY: nl_cli_addr_parse_family(addr, optarg); break;
101  case ARG_LABEL: nl_cli_addr_parse_label(addr, optarg); break;
102  case ARG_PEER: nl_cli_addr_parse_peer(addr, optarg); break;
103  case ARG_SCOPE: nl_cli_addr_parse_scope(addr, optarg); break;
104  case ARG_BROADCAST: nl_cli_addr_parse_broadcast(addr, optarg); break;
105  case ARG_PREFERRED: nl_cli_addr_parse_preferred(addr, optarg); break;
106  case ARG_VALID: nl_cli_addr_parse_valid(addr, optarg); break;
107  }
108  }
109 
110  if ((err = rtnl_addr_add(sock, addr, nlflags)) < 0)
111  nl_cli_fatal(err, "Unable to add address: %s",
112  nl_geterror(err));
113 
114  if (!quiet) {
115  printf("Added ");
116  nl_object_dump(OBJ_CAST(addr), &dp);
117  }
118 
119  return 0;
120 }