nexmon – Rev 1
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/*
* src/nl-route-delete.c Delete Routes
*
* 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>
#include <netlink/cli/route.h>
#include <netlink/cli/link.h>
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;
}