+++ /dev/null
-/*
- * src/nl-route-get.c Get Route Attributes
- *
- * 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) 2003-2006 Thomas Graf <tgraf@suug.ch>
- */
-
-#include "utils.h"
-
-static void print_usage(void)
-{
- printf("Usage: nl-route-get <addr>\n");
- exit(1);
-}
-
-static int cb(struct nl_msg *msg, void *arg)
-{
- nl_cache_parse_and_add(arg, msg);
-
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- struct nl_handle *nlh;
- struct nl_cache *link_cache, *route_cache;
- struct nl_addr *dst;
- struct nl_dump_params params = {
- .dp_fd = stdout,
- .dp_type = NL_DUMP_BRIEF
- };
- int err = 1;
-
- if (argc < 2 || !strcmp(argv[1], "-h"))
- print_usage();
-
- if (nltool_init(argc, argv) < 0)
- goto errout;
-
- nlh = nl_handle_alloc_nondefault(nltool_cbset);
- if (!nlh)
- goto errout;
-
- if (nltool_connect(nlh, NETLINK_ROUTE) < 0)
- goto errout_free_handle;
-
- link_cache = nltool_alloc_link_cache(nlh);
- if (!link_cache)
- goto errout_close;
-
- dst = nltool_addr_parse(argv[1]);
- if (!dst)
- goto errout_link_cache;
-
- route_cache = nltool_alloc_route_cache(nlh);
- if (!route_cache)
- goto errout_addr_put;
-
- {
- struct nl_msg *m;
- struct rtmsg rmsg = {
- .rtm_family = nl_addr_get_family(dst),
- .rtm_dst_len = nl_addr_get_prefixlen(dst),
- };
-
- m = nlmsg_build_simple(RTM_GETROUTE, 0);
- nlmsg_append(m, &rmsg, sizeof(rmsg), 1);
- nla_put_addr(m, RTA_DST, dst);
-
- if ((err = nl_send_auto_complete(nlh, m)) < 0) {
- nlmsg_free(m);
- fprintf(stderr, "%s\n", nl_geterror());
- goto errout_route_cache;
- }
-
- nlmsg_free(m);
-
- nl_cb_set(nl_handle_get_cb(nlh), NL_CB_VALID, NL_CB_CUSTOM,
- cb, route_cache);
-
- if (nl_recvmsgs_def(nlh) < 0) {
- fprintf(stderr, "%s\n", nl_geterror());
- goto errout_route_cache;
- }
- }
-
- nl_cache_dump(route_cache, ¶ms);
-
- err = 0;
-errout_route_cache:
- nl_cache_free(route_cache);
-errout_addr_put:
- nl_addr_put(dst);
-errout_link_cache:
- nl_cache_free(link_cache);
-errout_close:
- nl_close(nlh);
-errout_free_handle:
- nl_handle_destroy(nlh);
-errout:
- return err;
-}