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translate.c
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translate.c
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// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) B.A.T.M.A.N. contributors:
*
* Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
*
* License-Filename: LICENSES/preferred/GPL-2.0
*/
#include <stdio.h>
#include <stdlib.h>
#include "main.h"
#include "functions.h"
#include "bat-hosts.h"
static void translate_usage(void)
{
fprintf(stderr, "Usage: batctl [options] translate mac|bat-host|host_name|IPv4_address\n");
}
static int translate(struct state *state, int argc, char **argv)
{
struct ether_addr *dst_mac = NULL;
struct bat_host *bat_host;
int ret = EXIT_FAILURE;
char *dst_string, *mac_string;
if (argc <= 1) {
fprintf(stderr, "Error - destination not specified\n");
translate_usage();
return EXIT_FAILURE;
}
check_root_or_die("batctl translate");
dst_string = argv[1];
bat_hosts_init(0);
bat_host = bat_hosts_find_by_name(dst_string);
if (bat_host)
dst_mac = &bat_host->mac_addr;
if (!dst_mac) {
dst_mac = resolve_mac(dst_string);
if (!dst_mac) {
fprintf(stderr, "Error - mac address of the ping destination could not be resolved and is not a bat-host name: %s\n", dst_string);
goto out;
}
}
dst_mac = translate_mac(state, dst_mac);
if (dst_mac) {
mac_string = ether_ntoa_long(dst_mac);
printf("%s\n", mac_string);
ret = EXIT_SUCCESS;
} else {
ret = EXIT_NOSUCCESS;
}
out:
bat_hosts_free();
return ret;
}
COMMAND(SUBCOMMAND_MIF, translate, "t",
COMMAND_FLAG_MESH_IFACE | COMMAND_FLAG_NETLINK, NULL,
"<destination> \ttranslate a destination to the originator responsible for it");