/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (C) 2019 Jan Sucan <jansucan@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#include <err.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "main.h"
#ifdef INET
#include "ping.h"
#endif
#ifdef INET6
#include "ping6.h"
#endif
#if defined(INET) && defined(INET6)
#define OPTSTR ":46"
#elif defined(INET)
#define OPTSTR ":4"
#elif defined(INET6)
#define OPTSTR ":6"
#else
#define OPTSTR ""
#endif
int
main(int argc, char *argv[])
{
#if defined(INET) && defined(INET6)
struct in_addr a;
struct in6_addr a6;
#endif
#if defined(INET) || defined(INET6)
struct addrinfo hints;
#endif
int ch;
#ifdef INET
bool ipv4 = false;
#endif
#ifdef INET6
bool ipv6 = false;
if (strcmp(getprogname(), "ping6") == 0)
ipv6 = true;
#endif
while ((ch = getopt(argc, argv, OPTSTR)) != -1) {
switch(ch) {
#ifdef INET
case '4':
ipv4 = true;
break;
#endif
#ifdef INET6
case '6':
ipv6 = true;
break;
#endif
default:
break;
}
}
if (optind >= argc)
usage();
optreset = 1;
optind = 1;
#if defined(INET) && defined(INET6)
if (ipv4 && ipv6)
errx(1, "-4 and -6 cannot be used simultaneously");
#endif
#if defined(INET) && defined(INET6)
if (inet_pton(AF_INET, argv[argc - 1], &a) == 1) {
if (ipv6)
errx(1, "IPv6 requested but IPv4 target address "
"provided");
hints.ai_family = AF_INET;
}
else if (inet_pton(AF_INET6, argv[argc - 1], &a6) == 1) {
if (ipv4)
errx(1, "IPv4 requested but IPv6 target address "
"provided");
hints.ai_family = AF_INET6;
} else if (ipv6)
hints.ai_family = AF_INET6;
else if (ipv4)
hints.ai_family = AF_INET;
else {
if (!feature_present("inet6"))
hints.ai_family = AF_INET;
else if (!feature_present("inet"))
hints.ai_family = AF_INET6;
else {
struct addrinfo *res;
memset(&hints, 0, sizeof(hints));
hints.ai_socktype = SOCK_RAW;
hints.ai_family = AF_UNSPEC;
getaddrinfo(argv[argc - 1], NULL, &hints, &res);
if (res != NULL) {
hints.ai_family = res[0].ai_family;
freeaddrinfo(res);
}
}
}
#elif defined(INET)
hints.ai_family = AF_INET;
#elif defined(INET6)
hints.ai_family = AF_INET6;
#endif
#ifdef INET
if (hints.ai_family == AF_INET)
return ping(argc, argv);
#endif /* INET */
#ifdef INET6
if (hints.ai_family == AF_INET6)
return ping6(argc, argv);
#endif /* INET6 */
errx(1, "Unknown host");
}
void
usage(void)
{
(void)fprintf(stderr,
"usage:\n"
#ifdef INET
"\tping [-4AaDdfHnoQqRrv] [-C pcp] [-c count] "
"[-G sweepmaxsize]\n"
" [-g sweepminsize] [-h sweepincrsize] [-i wait] "
"[-l preload]\n"
" [-M mask | time] [-m ttl]"
#ifdef IPSEC
"[-P policy] "
#endif
"[-p pattern] [-S src_addr] \n"
" [-s packetsize] [-t timeout] [-W waittime] [-z tos] "
"IPv4-host\n"
"\tping [-4AaDdfHLnoQqRrv] [-C pcp] [-c count] [-I iface] "
"[-i wait]\n"
" [-l preload] [-M mask | time] [-m ttl] "
#ifdef IPSEC
"[-P policy] "
#endif
"[-p pattern]\n"
" [-S src_addr] [-s packetsize] [-T ttl] [-t timeout] [-W waittime]\n"
" [-z tos] IPv4-mcast-group\n"
#endif /* INET */
#ifdef INET6
"\tping [-6aADd"
#if defined(IPSEC) && !defined(IPSEC_POLICY_IPSEC)
"E"
#endif
"fHnNoOq"
#ifdef IPV6_USE_MIN_MTU
"u"
#endif
"vyY"
#if defined(IPSEC) && !defined(IPSEC_POLICY_IPSEC)
"Z"
#endif
"] "
"[-b bufsiz] [-c count] [-e gateway]\n"
" [-I interface] [-i wait] [-k addrtype] [-l preload] "
"[-m hoplimit]\n"
" [-p pattern]"
#if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
" [-P policy]"
#endif
" [-S sourceaddr] [-s packetsize] [-t timeout]\n"
" [-W waittime] [-z tclass] [IPv6-hops ...] IPv6-host\n"
#endif /* INET6 */
);
exit(1);
}
