1 /* 2 * src/nl-neigh-delete.c Delete 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 (at) 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, default_yes = 0, deleted = 0, interactive = 0; 17 static struct nl_sock *sock; 18 19 static void print_usage(void) 20 { 21 printf( 22 "Usage: nl-neigh-delete [OPTION]... [NEIGHBOUR]\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 "Neighbour Options\n" 32 " -a, --addr=ADDR Destination address of neighbour\n" 33 " -l, --lladdr=ADDR Link layer address of neighbour\n" 34 " -d, --dev=DEV Device the neighbour is connected to\n" 35 " --family=FAMILY Destination address family\n" 36 " --state=STATE Neighbour state, (default = permanent)\n" 37 ); 38 39 exit(0); 40 } 41 42 static void delete_cb(struct nl_object *obj, void *arg) 43 { 44 struct rtnl_neigh *neigh = nl_object_priv(obj); 45 struct nl_dump_params params = { 46 .dp_type = NL_DUMP_LINE, 47 .dp_fd = stdout, 48 }; 49 int err; 50 51 if (interactive && !nl_cli_confirm(obj, ¶ms, default_yes)) 52 return; 53 54 if ((err = rtnl_neigh_delete(sock, neigh, 0)) < 0) 55 nl_cli_fatal(err, "Unable to delete neighbour: %s\n", 56 nl_geterror(err)); 57 58 if (!quiet) { 59 printf("Deleted "); 60 nl_object_dump(obj, ¶ms); 61 } 62 63 deleted++; 64 } 65 66 int main(int argc, char *argv[]) 67 { 68 struct rtnl_neigh *neigh; 69 struct nl_cache *link_cache, *neigh_cache; 70 71 sock = nl_cli_alloc_socket(); 72 nl_cli_connect(sock, NETLINK_ROUTE); 73 link_cache = nl_cli_link_alloc_cache(sock); 74 neigh_cache = nl_cli_neigh_alloc_cache(sock); 75 neigh = nl_cli_neigh_alloc(); 76 77 for (;;) { 78 int c, optidx = 0; 79 enum { 80 ARG_FAMILY = 257, 81 ARG_STATE = 258, 82 ARG_YES, 83 }; 84 static struct option long_opts[] = { 85 { "interactive", 0, 0, 'i' }, 86 { "yes", 0, 0, ARG_YES }, 87 { "quiet", 0, 0, 'q' }, 88 { "help", 0, 0, 'h' }, 89 { "version", 0, 0, 'v' }, 90 { "addr", 1, 0, 'a' }, 91 { "lladdr", 1, 0, 'l' }, 92 { "dev", 1, 0, 'd' }, 93 { "family", 1, 0, ARG_FAMILY }, 94 { "state", 1, 0, ARG_STATE }, 95 { 0, 0, 0, 0 } 96 }; 97 98 c = getopt_long(argc, argv, "qhva:l:d:", long_opts, &optidx); 99 if (c == -1) 100 break; 101 102 switch (c) { 103 case 'i': interactive = 1; break; 104 case ARG_YES: default_yes = 1; break; 105 case 'q': quiet = 1; break; 106 case 'h': print_usage(); break; 107 case 'v': nl_cli_print_version(); break; 108 case 'a': nl_cli_neigh_parse_dst(neigh, optarg); break; 109 case 'l': nl_cli_neigh_parse_lladdr(neigh, optarg); break; 110 case 'd': nl_cli_neigh_parse_dev(neigh, link_cache, optarg); break; 111 case ARG_FAMILY: nl_cli_neigh_parse_family(neigh, optarg); break; 112 case ARG_STATE: nl_cli_neigh_parse_state(neigh, optarg); break; 113 } 114 } 115 116 nl_cache_foreach_filter(neigh_cache, OBJ_CAST(neigh), delete_cb, NULL); 117 118 if (!quiet) 119 printf("Deleted %d neighbours\n", deleted); 120 121 return 0; 122 } 123
