/* SPDX-License-Identifier: LGPL-2.1-only */ /* * Copyright (c) 2003-2009 Thomas Graf */ #include #include #include #include static int interactive = 0, default_yes = 0, quiet = 0; static int deleted = 0; static struct nl_sock *sock; static void print_version(void) { fprintf(stderr, "%s\n", LIBNL_STRING); exit(0); } static void print_usage(void) { printf( "Usage: nl-route-delete [OPTION]... [ROUTE]\n" "\n" "Options\n" " -i, --interactive Run interactively\n" " --yes Set default answer to yes\n" " -q, --quiet Do not print informal notifications\n" " -h, --help Show this help\n" " -v, --version Show versioning information\n" "\n" "Route Options\n" " -d, --dst=ADDR destination prefix, e.g. 10.10.0.0/16\n" " -n, --nexthop=NH nexthop configuration:\n" " dev=DEV route via device\n" " weight=WEIGHT weight of nexthop\n" " flags=FLAGS\n" " via=GATEWAY route via other node\n" " realms=REALMS\n" " e.g. dev=eth0,via=192.168.1.12\n" " -t, --table=TABLE Routing table\n" " --family=FAMILY Address family\n" " --src=ADDR Source prefix\n" " --iif=DEV Incomming interface\n" " --pref-src=ADDR Preferred source address\n" " --metrics=OPTS Metrics configurations\n" " --priority=NUM Priotity\n" " --scope=SCOPE Scope\n" " --protocol=PROTO Protocol\n" " --type=TYPE { unicast | local | broadcast | multicast }\n" ); exit(0); } static void delete_cb(struct nl_object *obj, void *arg) { struct rtnl_route *route = (struct rtnl_route *) obj; struct nl_dump_params params = { .dp_type = NL_DUMP_LINE, .dp_fd = stdout, }; int err; if (interactive && !nl_cli_confirm(obj, ¶ms, default_yes)) return; if ((err = rtnl_route_delete(sock, route, 0)) < 0) nl_cli_fatal(err, "Unable to delete route: %s", nl_geterror(err)); if (!quiet) { printf("Deleted "); nl_object_dump(obj, ¶ms); } deleted++; } int main(int argc, char *argv[]) { struct nl_cache *link_cache, *route_cache; struct rtnl_route *route; int nf = 0; sock = nl_cli_alloc_socket(); nl_cli_connect(sock, NETLINK_ROUTE); link_cache = nl_cli_link_alloc_cache(sock); route_cache = nl_cli_route_alloc_cache(sock, 0); route = nl_cli_route_alloc(); for (;;) { int c, optidx = 0; enum { ARG_FAMILY = 257, ARG_SRC = 258, ARG_IIF, ARG_PREF_SRC, ARG_METRICS, ARG_PRIORITY, ARG_SCOPE, ARG_PROTOCOL, ARG_TYPE, ARG_YES, }; static struct option long_opts[] = { { "interactive", 0, 0, 'i' }, { "yes", 0, 0, ARG_YES }, { "quiet", 0, 0, 'q' }, { "help", 0, 0, 'h' }, { "version", 0, 0, 'v' }, { "dst", 1, 0, 'd' }, { "nexthop", 1, 0, 'n' }, { "table", 1, 0, 't' }, { "family", 1, 0, ARG_FAMILY }, { "src", 1, 0, ARG_SRC }, { "iif", 1, 0, ARG_IIF }, { "pref-src", 1, 0, ARG_PREF_SRC }, { "metrics", 1, 0, ARG_METRICS }, { "priority", 1, 0, ARG_PRIORITY }, { "scope", 1, 0, ARG_SCOPE }, { "protocol", 1, 0, ARG_PROTOCOL }, { "type", 1, 0, ARG_TYPE }, { 0, 0, 0, 0 } }; c = getopt_long(argc, argv, "iqhvd:n:t:", long_opts, &optidx); if (c == -1) break; switch (c) { case 'i': interactive = 1; break; case ARG_YES: default_yes = 1; break; case 'q': quiet = 1; break; case 'h': print_usage(); break; case 'v': print_version(); break; case 'd': nf++; nl_cli_route_parse_dst(route, optarg); break; case 'n': nf++; nl_cli_route_parse_nexthop(route, optarg, link_cache); break; case 't': nf++; nl_cli_route_parse_table(route, optarg); break; case ARG_FAMILY: nf++; nl_cli_route_parse_family(route, optarg); break; case ARG_SRC: nf++; nl_cli_route_parse_src(route, optarg); break; case ARG_IIF: nf++; nl_cli_route_parse_iif(route, optarg, link_cache); break; case ARG_PREF_SRC: nf++; nl_cli_route_parse_pref_src(route, optarg); break; case ARG_METRICS: nf++; nl_cli_route_parse_metric(route, optarg); break; case ARG_PRIORITY: nf++; nl_cli_route_parse_prio(route, optarg); break; case ARG_SCOPE: nf++; nl_cli_route_parse_scope(route, optarg); break; case ARG_PROTOCOL: nf++; nl_cli_route_parse_protocol(route, optarg); break; case ARG_TYPE: nf++; nl_cli_route_parse_type(route, optarg); break; } } if (nf == 0 && !interactive && !default_yes) { fprintf(stderr, "You attempted to delete all routes in " "non-interactive mode, aborting.\n"); exit(0); } nl_cache_foreach_filter(route_cache, OBJ_CAST(route), delete_cb, NULL); if (!quiet) printf("Deleted %d routes\n", deleted); return 0; }