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/*
* route.c
*
* Copyright (c) 2001 Dug Song <[email protected]>
*
* $Id$
*/
#include "config.h"
#include <sys/types.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "dumbnet.h"
#include "mod.h"
static void
usage(void)
{
fprintf(stderr, "Usage: dnet route show\n"
" dnet route get <dst>\n"
" dnet route add <dst> <gw>\n"
" dnet route delete <dst>\n");
exit(1);
}
static int
print_route(const struct route_entry *entry, void *arg)
{
printf("%-20s %-20s\n",
addr_ntoa(&entry->route_dst), addr_ntoa(&entry->route_gw));
return (0);
}
int
route_main(int argc, char *argv[])
{
struct route_entry entry;
route_t *r;
char *cmd;
if (argc < 2)
usage();
cmd = argv[1];
if ((r = route_open()) == NULL)
err(1, "route_open");
if (strcmp(cmd, "show") == 0) {
printf("%-20s %-20s\n", "Destination", "Gateway");
if (route_loop(r, print_route, NULL) < 0)
err(1, "route_loop");
} else if (strcmp(cmd, "get") == 0) {
if (addr_aton(argv[2], &entry.route_dst) < 0)
err(1, "addr_aton");
if (route_get(r, &entry) < 0)
err(1, "route_get");
printf("get %s %s: gateway %s\n",
(entry.route_dst.addr_bits < IP_ADDR_BITS) ?
"net" : "host", addr_ntoa(&entry.route_dst),
addr_ntoa(&entry.route_gw));
} else if (strcmp(cmd, "add") == 0) {
if (argc < 4 ||
addr_aton(argv[2], &entry.route_dst) < 0 ||
addr_aton(argv[3], &entry.route_gw) < 0)
err(1, "addr_aton");
if (route_add(r, &entry) < 0)
err(1, "route_add");
printf("add %s %s: gateway %s\n",
(entry.route_dst.addr_bits < IP_ADDR_BITS) ?
"net" : "host", addr_ntoa(&entry.route_dst),
addr_ntoa(&entry.route_gw));
} else if (strcmp(cmd, "delete") == 0) {
if (addr_aton(argv[2], &entry.route_dst) < 0)
err(1, "addr_aton");
if (route_delete(r, &entry) < 0)
err(1, "route_delete");
printf("delete %s %s\n",
(entry.route_dst.addr_bits < IP_ADDR_BITS) ?
"net" : "host", addr_ntoa(&entry.route_dst));
} else
usage();
route_close(r);
exit(0);
}
struct mod mod_route = {
"route",
MOD_TYPE_KERN,
route_main
};
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