/* SPDX-License-Identifier: LGPL-2.1-only */ /* * Copyright (c) 2003-2009 Thomas Graf */ #include #include #include #include static void print_usage(void) { printf( "Usage: nl-route-list [OPTION]... [ROUTE]\n" "\n" "Options\n" " -c, --cache List the contents of the route cache\n" " -f, --format=TYPE Output format { brief | details | stats }\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); } int main(int argc, char *argv[]) { struct nl_sock *sock; struct nl_cache *link_cache, *route_cache; struct rtnl_route *route; struct nl_dump_params params = { .dp_fd = stdout, .dp_type = NL_DUMP_LINE, }; int print_cache = 0; sock = nl_cli_alloc_socket(); nl_cli_connect(sock, NETLINK_ROUTE); link_cache = nl_cli_link_alloc_cache(sock); 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, }; static struct option long_opts[] = { { "cache", 0, 0, 'c' }, { "format", 1, 0, 'f' }, { "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, "cf:hvd:n:t:", long_opts, &optidx); if (c == -1) break; switch (c) { case 'c': print_cache = 1; break; case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break; case 'h': print_usage(); break; case 'v': nl_cli_print_version(); break; case 'd': nl_cli_route_parse_dst(route, optarg); break; case 'n': nl_cli_route_parse_nexthop(route, optarg, link_cache); break; case 't': nl_cli_route_parse_table(route, optarg); break; case ARG_FAMILY: nl_cli_route_parse_family(route, optarg); break; case ARG_SRC: nl_cli_route_parse_src(route, optarg); break; case ARG_IIF: nl_cli_route_parse_iif(route, optarg, link_cache); break; case ARG_PREF_SRC: nl_cli_route_parse_pref_src(route, optarg); break; case ARG_METRICS: nl_cli_route_parse_metric(route, optarg); break; case ARG_PRIORITY: nl_cli_route_parse_prio(route, optarg); break; case ARG_SCOPE: nl_cli_route_parse_scope(route, optarg); break; case ARG_PROTOCOL: nl_cli_route_parse_protocol(route, optarg); break; case ARG_TYPE: nl_cli_route_parse_type(route, optarg); break; } } route_cache = nl_cli_route_alloc_cache(sock, print_cache ? ROUTE_CACHE_CONTENT : 0); nl_cache_dump_filter(route_cache, ¶ms, OBJ_CAST(route)); return 0; }