libnl  3.2.24-rc1
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 = {
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 }