| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * src/ nl-neigh-add.c Add a neighbour |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation version 2.1 |
| 7 | * of the License. |
| 8 | * |
| 9 | * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch> |
| 10 | */ |
| 11 | |
| 12 | #include <netlink/cli/utils.h> |
| 13 | #include <netlink/cli/neigh.h> |
| 14 | #include <netlink/cli/link.h> |
| 15 | |
| 16 | static int quiet = 0; |
| 17 | |
| 18 | static void print_usage(void) |
| 19 | { |
| 20 | printf( |
| 21 | "Usage: nl-neigh-add [OPTION]... NEIGHBOUR\n" |
| 22 | "\n" |
| 23 | "Options\n" |
| 24 | " --update-only Do not create neighbour, updates exclusively\n" |
| 25 | " --create-only Do not update neighbour if it exists already.\n" |
| 26 | " -q, --quiet Do not print informal notifications\n" |
| 27 | " -h, --help Show this help\n" |
| 28 | " -v, --version Show versioning information\n" |
| 29 | "\n" |
| 30 | "Neighbour Options\n" |
| 31 | " -a, --addr=ADDR Destination address of neighbour\n" |
| 32 | " -l, --lladdr=ADDR Link layer address of neighbour\n" |
| 33 | " -d, --dev=DEV Device the neighbour is connected to\n" |
| 34 | " --state=STATE Neighbour state, (default = permanent)\n" |
| 35 | "\n" |
| 36 | "Example\n" |
| 37 | " nl-neigh-add --create-only --addr=10.0.0.1 --dev=eth0 \\\n" |
| 38 | " --lladdr=AA:BB:CC:DD:EE:FF\n" |
| 39 | ); |
| 40 | |
| 41 | exit(0); |
| 42 | } |
| 43 | |
| 44 | int main(int argc, char *argv[]) |
| 45 | { |
| 46 | struct nl_sock *sock; |
| 47 | struct rtnl_neigh *neigh; |
| 48 | struct nl_cache *link_cache; |
| 49 | struct nl_dump_params dp = { |
| 50 | .dp_type = NL_DUMP_LINE, |
| 51 | .dp_fd = stdout, |
| 52 | }; |
| 53 | int err, ok = 0, nlflags = NLM_F_REPLACE | NLM_F_CREATE; |
| 54 | |
| 55 | sock = nl_cli_alloc_socket(); |
| 56 | nl_cli_connect(sock, NETLINK_ROUTE); |
| 57 | link_cache = nl_cli_link_alloc_cache(sock); |
| 58 | neigh = nl_cli_neigh_alloc(); |
| 59 | |
| 60 | for (;;) { |
| 61 | int c, optidx = 0; |
| 62 | enum { |
| 63 | ARG_UPDATE_ONLY = 257, |
| 64 | ARG_CREATE_ONLY = 258, |
| 65 | ARG_STATE, |
| 66 | }; |
| 67 | static struct option long_opts[] = { |
| 68 | { "update-only", 0, 0, ARG_UPDATE_ONLY }, |
| 69 | { "create-only", 0, 0, ARG_CREATE_ONLY }, |
| 70 | { "quiet", 0, 0, 'q' }, |
| 71 | { "help", 0, 0, 'h' }, |
| 72 | { "version", 0, 0, 'v' }, |
| 73 | { "addr", 1, 0, 'a' }, |
| 74 | { "lladdr", 1, 0, 'l' }, |
| 75 | { "dev", 1, 0, 'd' }, |
| 76 | { "state", 1, 0, ARG_STATE }, |
| 77 | { 0, 0, 0, 0 } |
| 78 | }; |
| 79 | |
| 80 | c = getopt_long(argc, argv, "qhva:l:d:", long_opts, &optidx); |
| 81 | if (c == -1) |
| 82 | break; |
| 83 | |
| 84 | switch (c) { |
| 85 | case ARG_UPDATE_ONLY: nlflags &= ~NLM_F_CREATE; break; |
| 86 | case ARG_CREATE_ONLY: nlflags |= NLM_F_EXCL; break; |
| 87 | case 'q': quiet = 1; break; |
| 88 | case 'h': print_usage(); break; |
| 89 | case 'v': nl_cli_print_version(); break; |
| 90 | case 'a': ok++; nl_cli_neigh_parse_dst(neigh, optarg); break; |
| 91 | case 'l': nl_cli_neigh_parse_lladdr(neigh, optarg); break; |
| 92 | case 'd': nl_cli_neigh_parse_dev(neigh, link_cache, optarg); break; |
| 93 | case ARG_STATE: nl_cli_neigh_parse_state(neigh, optarg); break; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | if (!ok) |
| 98 | print_usage(); |
| 99 | |
| 100 | if ((err = rtnl_neigh_add(sock, neigh, nlflags)) < 0) |
| 101 | nl_cli_fatal(err, "Unable to add neighbour: %s", |
| 102 | nl_geterror(err)); |
| 103 | |
| 104 | if (!quiet) { |
| 105 | printf("Added "); |
| 106 | nl_object_dump(OBJ_CAST(neigh), &dp); |
| 107 | } |
| 108 | |
| 109 | return 0; |
| 110 | } |