1 /* 2 * src/nl-route-delete.c Delete Routes 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/route.h> 14 #include <netlink/cli/link.h> 15 16 static int interactive = 0, default_yes = 0, quiet = 0; 17 static int deleted = 0; 18 static struct nl_sock *sock; 19 20 static void print_version(void) 21 { 22 fprintf(stderr, "%s\n", LIBNL_STRING); 23 exit(0); 24 } 25 26 static void print_usage(void) 27 { 28 printf( 29 "Usage: nl-route-delete [OPTION]... [ROUTE]\n" 30 "\n" 31 "Options\n" 32 " -i, --interactive Run interactively\n" 33 " --yes Set default answer to yes\n" 34 " -q, --quiet Do not print informal notifications\n" 35 " -h, --help Show this help\n" 36 " -v, --version Show versioning information\n" 37 "\n" 38 "Route Options\n" 39 " -d, --dst=ADDR destination prefix, e.g. 10.10.0.0/16\n" 40 " -n, --nexthop=NH nexthop configuration:\n" 41 " dev=DEV route via device\n" 42 " weight=WEIGHT weight of nexthop\n" 43 " flags=FLAGS\n" 44 " via=GATEWAY route via other node\n" 45 " realms=REALMS\n" 46 " e.g. dev=eth0,via=192.168.1.12\n" 47 " -t, --table=TABLE Routing table\n" 48 " --family=FAMILY Address family\n" 49 " --src=ADDR Source prefix\n" 50 " --iif=DEV Incomming interface\n" 51 " --pref-src=ADDR Preferred source address\n" 52 " --metrics=OPTS Metrics configurations\n" 53 " --priority=NUM Priotity\n" 54 " --scope=SCOPE Scope\n" 55 " --protocol=PROTO Protocol\n" 56 " --type=TYPE { unicast | local | broadcast | multicast }\n" 57 ); 58 exit(0); 59 } 60 61 static void delete_cb(struct nl_object *obj, void *arg) 62 { 63 struct rtnl_route *route = (struct rtnl_route *) obj; 64 struct nl_dump_params params = { 65 .dp_type = NL_DUMP_LINE, 66 .dp_fd = stdout, 67 }; 68 int err; 69 70 if (interactive && !nl_cli_confirm(obj, ¶ms, default_yes)) 71 return; 72 73 if ((err = rtnl_route_delete(sock, route, 0)) < 0) 74 nl_cli_fatal(err, "Unable to delete route: %s", nl_geterror(err)); 75 76 if (!quiet) { 77 printf("Deleted "); 78 nl_object_dump(obj, ¶ms); 79 } 80 81 deleted++; 82 } 83 84 int main(int argc, char *argv[]) 85 { 86 struct nl_cache *link_cache, *route_cache; 87 struct rtnl_route *route; 88 int nf = 0; 89 90 sock = nl_cli_alloc_socket(); 91 nl_cli_connect(sock, NETLINK_ROUTE); 92 link_cache = nl_cli_link_alloc_cache(sock); 93 route_cache = nl_cli_route_alloc_cache(sock, 0); 94 route = nl_cli_route_alloc(); 95 96 for (;;) { 97 int c, optidx = 0; 98 enum { 99 ARG_FAMILY = 257, 100 ARG_SRC = 258, 101 ARG_IIF, 102 ARG_PREF_SRC, 103 ARG_METRICS, 104 ARG_PRIORITY, 105 ARG_SCOPE, 106 ARG_PROTOCOL, 107 ARG_TYPE, 108 ARG_YES, 109 }; 110 static struct option long_opts[] = { 111 { "interactive", 0, 0, 'i' }, 112 { "yes", 0, 0, ARG_YES }, 113 { "quiet", 0, 0, 'q' }, 114 { "help", 0, 0, 'h' }, 115 { "version", 0, 0, 'v' }, 116 { "dst", 1, 0, 'd' }, 117 { "nexthop", 1, 0, 'n' }, 118 { "table", 1, 0, 't' }, 119 { "family", 1, 0, ARG_FAMILY }, 120 { "src", 1, 0, ARG_SRC }, 121 { "iif", 1, 0, ARG_IIF }, 122 { "pref-src", 1, 0, ARG_PREF_SRC }, 123 { "metrics", 1, 0, ARG_METRICS }, 124 { "priority", 1, 0, ARG_PRIORITY }, 125 { "scope", 1, 0, ARG_SCOPE }, 126 { "protocol", 1, 0, ARG_PROTOCOL }, 127 { "type", 1, 0, ARG_TYPE }, 128 { 0, 0, 0, 0 } 129 }; 130 131 c = getopt_long(argc, argv, "iqhvd:n:t:", long_opts, &optidx); 132 if (c == -1) 133 break; 134 135 switch (c) { 136 case 'i': interactive = 1; break; 137 case ARG_YES: default_yes = 1; break; 138 case 'q': quiet = 1; break; 139 case 'h': print_usage(); break; 140 case 'v': print_version(); break; 141 case 'd': nf++; nl_cli_route_parse_dst(route, optarg); break; 142 case 'n': nf++; nl_cli_route_parse_nexthop(route, optarg, link_cache); break; 143 case 't': nf++; nl_cli_route_parse_table(route, optarg); break; 144 case ARG_FAMILY: nf++; nl_cli_route_parse_family(route, optarg); break; 145 case ARG_SRC: nf++; nl_cli_route_parse_src(route, optarg); break; 146 case ARG_IIF: nf++; nl_cli_route_parse_iif(route, optarg, link_cache); break; 147 case ARG_PREF_SRC: nf++; nl_cli_route_parse_pref_src(route, optarg); break; 148 case ARG_METRICS: nf++; nl_cli_route_parse_metric(route, optarg); break; 149 case ARG_PRIORITY: nf++; nl_cli_route_parse_prio(route, optarg); break; 150 case ARG_SCOPE: nf++; nl_cli_route_parse_scope(route, optarg); break; 151 case ARG_PROTOCOL: nf++; nl_cli_route_parse_protocol(route, optarg); break; 152 case ARG_TYPE: nf++; nl_cli_route_parse_type(route, optarg); break; 153 } 154 } 155 156 if (nf == 0 && !interactive && !default_yes) { 157 fprintf(stderr, "You attempted to delete all routes in " 158 "non-interactive mode, aborting.\n"); 159 exit(0); 160 } 161 162 nl_cache_foreach_filter(route_cache, OBJ_CAST(route), delete_cb, NULL); 163 164 if (!quiet) 165 printf("Deleted %d routes\n", deleted); 166 167 return 0; 168 } 169
