| /* |
| * src/nl-fib-lookup.c FIB Route Lookup |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation version 2.1 |
| * of the License. |
| * |
| * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch> |
| */ |
| |
| #include <netlink/cli/utils.h> |
| |
| static void print_usage(void) |
| { |
| printf( |
| "Usage: nl-fib-lookup [options] <addr>\n" |
| "Options:\n" |
| " -t, --table <table> Table id\n" |
| " -f, --fwmark <int> Firewall mark\n" |
| " -s, --scope <scope> Routing scope\n" |
| " -T, --tos <int> Type of Service\n"); |
| exit(1); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| struct nl_sock *nlh; |
| struct nl_cache *result; |
| struct flnl_request *request; |
| struct nl_addr *addr; |
| struct nl_dump_params params = { |
| .dp_fd = stdout, |
| .dp_type = NL_DUMP_DETAILS, |
| }; |
| int table = RT_TABLE_UNSPEC, scope = RT_SCOPE_UNIVERSE; |
| int tos = 0, err = 1; |
| uint64_t fwmark = 0; |
| |
| while (1) { |
| static struct option long_opts[] = { |
| {"table", 1, 0, 't'}, |
| {"fwmark", 1, 0, 'f'}, |
| {"scope", 1, 0, 's'}, |
| {"tos", 1, 0, 'T'}, |
| {"help", 0, 0, 'h'}, |
| {0, 0, 0, 0}, |
| }; |
| int c, idx = 0; |
| |
| c = getopt_long(argc, argv, "t:f:s:T:h", long_opts, &idx); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case 't': |
| table = strtoul(optarg, NULL, 0); |
| break; |
| case 'f': |
| fwmark = strtoul(optarg, NULL, 0); |
| break; |
| case 's': |
| scope = strtoul(optarg, NULL, 0); |
| break; |
| case 'T': |
| tos = strtoul(optarg, NULL, 0); |
| break; |
| default: |
| print_usage(); |
| } |
| } |
| |
| if (optind >= argc) |
| print_usage(); |
| |
| nlh = nl_cli_alloc_socket(); |
| |
| if ((err = nl_addr_parse(argv[optind], AF_INET, &addr)) < 0) |
| nl_cli_fatal(err, "Unable to parse address \"%s\": %s\n", |
| argv[optind], nl_geterror(err)); |
| |
| result = flnl_result_alloc_cache(); |
| if (!result) |
| nl_cli_fatal(ENOMEM, "Unable to allocate cache"); |
| |
| request = flnl_request_alloc(); |
| if (!request) |
| nl_cli_fatal(ENOMEM, "Unable to allocate request"); |
| |
| flnl_request_set_table(request, table); |
| flnl_request_set_fwmark(request, fwmark); |
| flnl_request_set_scope(request, scope); |
| flnl_request_set_tos(request, tos); |
| |
| err = flnl_request_set_addr(request, addr); |
| nl_addr_put(addr); |
| if (err < 0) |
| nl_cli_fatal(err, "Unable to send request: %s", nl_geterror(err)); |
| |
| nl_cli_connect(nlh, NETLINK_FIB_LOOKUP); |
| |
| err = flnl_lookup(nlh, request, result); |
| if (err < 0) |
| nl_cli_fatal(err, "Unable to lookup: %s\n", nl_geterror(err)); |
| |
| nl_cache_dump(result, ¶ms); |
| |
| return 0; |
| } |