mirror of
https://review.haiku-os.org/haiku
synced 2024-11-23 07:18:40 +01:00
network/ping: update to freebsd-current
* our ip modules don't support connect()/send(). Just use sendto(). * ping6 disappears, ping supports -4 or -6 to force IPv4 or IPv6 Change-Id: I1e982e354cc75d3a314c5bbbfffa0373e8f4d9af Reviewed-on: https://review.haiku-os.org/c/haiku/+/7427 Reviewed-by: waddlesplash <waddlesplash@gmail.com>
This commit is contained in:
parent
01dc1ea4cf
commit
3bf4cdb73b
@ -19,7 +19,7 @@ SYSTEM_BIN = [ FFilterByBuildFeatures
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modifiers mount mountvolume
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netstat notify
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open
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package package_repo passwd pc ping ping6 pkgman prio profile ps
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package package_repo passwd pc ping pkgman prio profile ps
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query quit
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ramdisk rc reindex release renice resattr resizefs rmattr rmindex roster
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route
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@ -84,6 +84,8 @@ struct icmp {
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#define icmp_data icmp_dun.id_data
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#define ICMP_MINLEN 8 /* absolute minimum length */
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#define ICMP_TSLEN (8 + 3 * sizeof (uint32_t)) /* timestamp */
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#define ICMP_MASKLEN 12 /* address mask */
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#define ICMP_ADVLENMIN (8 + sizeof(struct ip) + 8)
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#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
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@ -12,7 +12,6 @@ SubInclude HAIKU_TOP src bin network netstat ;
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SubInclude HAIKU_TOP src bin network pppconfig ;
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SubInclude HAIKU_TOP src bin network ppp_up ;
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SubInclude HAIKU_TOP src bin network ping ;
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SubInclude HAIKU_TOP src bin network ping6 ;
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SubInclude HAIKU_TOP src bin network route ;
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SubInclude HAIKU_TOP src bin network telnet ;
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SubInclude HAIKU_TOP src bin network telnetd ;
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@ -1,8 +1,15 @@
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SubDir HAIKU_TOP src bin network ping ;
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SubDirSysHdrs $(HAIKU_TOP) headers compatibility bsd ;
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DEFINES += INET INET6 ;
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BinCommand ping :
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main.c
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ping.c
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: $(TARGET_NETWORK_LIBS) $(TARGET_SELECT_UNAME_ETC_LIB) ;
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ping6.c
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utils.c
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: $(TARGET_NETWORK_LIBS) $(TARGET_SELECT_UNAME_ETC_LIB) libbsd.so ;
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# Installation -- in the test directory for the time being
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HaikuInstall install-networking
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310
src/bin/network/ping/main.c
Normal file
310
src/bin/network/ping/main.c
Normal file
@ -0,0 +1,310 @@
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (C) 2019 Jan Sucan <jansucan@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <err.h>
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#include <math.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include "main.h"
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#ifdef INET
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#include "ping.h"
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#endif
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#ifdef INET6
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#include "ping6.h"
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#endif
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#if defined(INET) && defined(INET6)
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#define OPTSTR PING6OPTS PING4OPTS
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#elif defined(INET)
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#define OPTSTR PING4OPTS
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#elif defined(INET6)
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#define OPTSTR PING6OPTS
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#else
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#error At least one of INET and INET6 is required
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#endif
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#ifdef __HAIKU__
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#define optreset optind
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#define feature_present(x) true
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#ifndef restrict
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#define restrict
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#endif
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#endif
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/* various options */
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u_int options;
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char *hostname;
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/* counters */
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long nreceived; /* # of packets we got back */
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long nrepeats; /* number of duplicates */
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long ntransmitted; /* sequence # for outbound packets = #sent */
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long nrcvtimeout = 0; /* # of packets we got back after waittime */
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/* nonzero if we've been told to finish up */
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volatile sig_atomic_t seenint;
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volatile sig_atomic_t seeninfo;
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/* timing */
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int timing; /* flag to do timing */
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double tmin = 999999999.0; /* minimum round trip time */
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double tmax = 0.0; /* maximum round trip time */
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double tsum = 0.0; /* sum of all times, for doing average */
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double tsumsq = 0.0; /* sum of all times squared, for std. dev. */
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int
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main(int argc, char *argv[])
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{
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#if defined(INET)
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struct in_addr a;
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#endif
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#if defined(INET6)
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struct in6_addr a6;
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#endif
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#if defined(INET) && defined(INET6)
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struct addrinfo hints, *res, *ai;
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const char *target;
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int error;
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#endif
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int opt;
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#ifdef INET6
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if (strcmp(getprogname(), "ping6") == 0)
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return ping6(argc, argv);
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#endif
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while ((opt = getopt(argc, argv, ":" OPTSTR)) != -1) {
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switch (opt) {
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#ifdef INET
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case '4':
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goto ping4;
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#endif
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#ifdef INET6
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case '6':
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goto ping6;
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#endif
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case 'S':
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/*
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* If -S is given with a numeric parameter,
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* force use of the corresponding version.
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*/
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#ifdef INET
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if (inet_pton(AF_INET, optarg, &a) == 1)
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goto ping4;
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#endif
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#ifdef INET6
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if (inet_pton(AF_INET6, optarg, &a6) == 1)
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goto ping6;
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#endif
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break;
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default:
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break;
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}
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}
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/*
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* For IPv4, only one positional argument, the target, is allowed.
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* For IPv6, multiple positional argument are allowed; the last
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* one is the target, and preceding ones are intermediate hops.
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* This nuance is lost here, but the only case where it matters is
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* an error.
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*/
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if (optind >= argc)
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usage();
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#if defined(INET) && defined(INET6)
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target = argv[argc - 1];
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memset(&hints, 0, sizeof(hints));
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hints.ai_socktype = SOCK_RAW;
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if (feature_present("inet") && !feature_present("inet6"))
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hints.ai_family = AF_INET;
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if (feature_present("inet6") && !feature_present("inet"))
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hints.ai_family = AF_INET6;
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else
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hints.ai_family = AF_UNSPEC;
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error = getaddrinfo(target, NULL, &hints, &res);
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if (res == NULL)
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errx(EX_NOHOST, "cannot resolve %s: %s",
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target, gai_strerror(error));
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for (ai = res; ai != NULL; ai = ai->ai_next) {
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if (ai->ai_family == AF_INET) {
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freeaddrinfo(res);
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goto ping4;
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}
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if (ai->ai_family == AF_INET6) {
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freeaddrinfo(res);
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goto ping6;
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}
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}
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freeaddrinfo(res);
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errx(EX_NOHOST, "cannot resolve %s", target);
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#endif
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#ifdef INET
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ping4:
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optreset = 1;
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optind = 1;
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return ping(argc, argv);
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#endif
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#ifdef INET6
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ping6:
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optreset = 1;
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optind = 1;
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return ping6(argc, argv);
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#endif
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}
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/*
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* onsignal --
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* Set the global bit that causes the main loop to quit.
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*/
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void
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onsignal(int sig)
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{
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switch (sig) {
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case SIGALRM:
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case SIGINT:
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/*
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* When doing reverse DNS lookups, the seenint flag might not
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* be noticed for a while. Just exit if we get a second SIGINT.
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*/
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if (!(options & F_HOSTNAME) && seenint != 0)
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_exit(nreceived ? 0 : 2);
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seenint++;
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break;
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#ifndef __HAIKU__
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case SIGINFO:
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seeninfo++;
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break;
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#endif
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}
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}
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/*
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* pr_summary --
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* Print out summary statistics to the given output stream.
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*/
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void
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pr_summary(FILE * restrict stream)
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{
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fprintf(stream, "\n--- %s ping statistics ---\n", hostname);
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fprintf(stream, "%ld packets transmitted, ", ntransmitted);
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fprintf(stream, "%ld packets received, ", nreceived);
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if (nrepeats)
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fprintf(stream, "+%ld duplicates, ", nrepeats);
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if (ntransmitted) {
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if (nreceived > ntransmitted)
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fprintf(stream, "-- somebody's duplicating packets!");
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else
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fprintf(stream, "%.1f%% packet loss",
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((((double)ntransmitted - nreceived) * 100.0) /
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ntransmitted));
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}
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if (nrcvtimeout)
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fprintf(stream, ", %ld packets out of wait time", nrcvtimeout);
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fputc('\n', stream);
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if (nreceived && timing) {
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/* Only display average to microseconds */
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double num = nreceived + nrepeats;
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double avg = tsum / num;
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double stddev = sqrt(fmax(0, tsumsq / num - avg * avg));
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fprintf(stream,
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"round-trip min/avg/max/stddev = %.3f/%.3f/%.3f/%.3f ms\n",
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tmin, avg, tmax, stddev);
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}
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fflush(stream);
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}
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void
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usage(void)
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{
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(void)fprintf(stderr,
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"usage:\n"
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#ifdef INET
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"\tping [-4AaDdfHnoQqRrv] [-C pcp] [-c count] "
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"[-G sweepmaxsize]\n"
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"\t [-g sweepminsize] [-h sweepincrsize] [-i wait] "
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"[-l preload]\n"
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"\t [-M mask | time] [-m ttl] "
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#ifdef IPSEC
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"[-P policy] "
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#endif
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"[-p pattern] [-S src_addr] \n"
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"\t [-s packetsize] [-t timeout] [-W waittime] [-z tos] "
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"IPv4-host\n"
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"\tping [-4AaDdfHLnoQqRrv] [-C pcp] [-c count] [-I iface] "
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"[-i wait]\n"
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"\t [-l preload] [-M mask | time] [-m ttl] "
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#ifdef IPSEC
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"[-P policy] "
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#endif
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"[-p pattern]\n"
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"\t [-S src_addr] [-s packetsize] [-T ttl] [-t timeout] [-W waittime]\n"
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"\t [-z tos] IPv4-mcast-group\n"
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#endif /* INET */
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#ifdef INET6
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"\tping [-6AaDd"
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#if defined(IPSEC) && !defined(IPSEC_POLICY_IPSEC)
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"E"
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#endif
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"fHnNoOq"
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#ifdef IPV6_USE_MIN_MTU
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"u"
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#endif
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"vyY"
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#if defined(IPSEC) && !defined(IPSEC_POLICY_IPSEC)
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"Z"
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#endif
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"] "
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"[-b bufsiz] [-C pcp] [-c count] [-e gateway]\n"
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"\t [-I interface] [-i wait] [-k addrtype] [-l preload] "
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"[-m hoplimit]\n"
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"\t [-p pattern]"
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#if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
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" [-P policy]"
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#endif
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" [-S sourceaddr] [-s packetsize] [-t timeout]\n"
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"\t [-W waittime] [-z tclass] [IPv6-hops ...] IPv6-host\n"
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#endif /* INET6 */
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);
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exit(1);
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}
|
79
src/bin/network/ping/main.h
Normal file
79
src/bin/network/ping/main.h
Normal file
@ -0,0 +1,79 @@
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/*-
|
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* SPDX-License-Identifier: BSD-2-Clause
|
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*
|
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* Copyright (C) 2019 Jan Sucan <jansucan@FreeBSD.org>
|
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* 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.
|
||||
*/
|
||||
|
||||
#ifndef MAIN_H
|
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#define MAIN_H 1
|
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|
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#ifdef IPSEC
|
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#include <netipsec/ipsec.h>
|
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#endif /*IPSEC*/
|
||||
|
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#if defined(INET) && defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
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#define PING4ADDOPTS "P:"
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#else
|
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#define PING4ADDOPTS
|
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#endif
|
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#define PING4OPTS ".::4AaC:c:DdfG:g:Hh:I:i:Ll:M:m:nop:QqRrS:s:T:t:vW:z:" PING4ADDOPTS
|
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|
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#if defined(INET6) && defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
|
||||
#define PING6ADDOPTS "P:"
|
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#elif defined(INET6) && defined(IPSEC) && !defined(IPSEC_POLICY_IPSEC)
|
||||
#define PING6ADDOPTS "ZE"
|
||||
#else
|
||||
#define PING6ADDOPTS
|
||||
#endif
|
||||
#define PING6OPTS ".::6Aab:C:c:Dde:fHI:i:k:l:m:nNoOp:qS:s:t:uvyYW:z:" PING6ADDOPTS
|
||||
|
||||
/* various options */
|
||||
extern u_int options;
|
||||
#define F_HOSTNAME 0x0004
|
||||
|
||||
extern char *hostname;
|
||||
|
||||
/* counters */
|
||||
extern long nreceived; /* # of packets we got back */
|
||||
extern long nrepeats; /* number of duplicates */
|
||||
extern long ntransmitted; /* sequence # for outbound packets = #sent */
|
||||
extern long nrcvtimeout; /* # of packets we got back after waittime */
|
||||
|
||||
/* nonzero if we've been told to finish up */
|
||||
extern volatile sig_atomic_t seenint;
|
||||
extern volatile sig_atomic_t seeninfo;
|
||||
|
||||
/* timing */
|
||||
extern int timing; /* flag to do timing */
|
||||
extern double tmin; /* minimum round trip time */
|
||||
extern double tmax; /* maximum round trip time */
|
||||
extern double tsum; /* sum of all times, for doing average */
|
||||
extern double tsumsq; /* sum of all times squared, for std. dev. */
|
||||
|
||||
void onsignal(int);
|
||||
void pr_summary(FILE * __restrict);
|
||||
void usage(void) __dead2;
|
||||
|
||||
#endif
|
File diff suppressed because it is too large
Load Diff
34
src/bin/network/ping/ping.h
Normal file
34
src/bin/network/ping/ping.h
Normal file
@ -0,0 +1,34 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef PING_H
|
||||
#define PING_H 1
|
||||
|
||||
int ping(int argc, char *const *argv);
|
||||
|
||||
#endif
|
File diff suppressed because it is too large
Load Diff
34
src/bin/network/ping/ping6.h
Normal file
34
src/bin/network/ping/ping6.h
Normal file
@ -0,0 +1,34 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef PING6_H
|
||||
#define PING6_H 1
|
||||
|
||||
int ping6(int argc, char *argv[]);
|
||||
|
||||
#endif
|
84
src/bin/network/ping/utils.c
Normal file
84
src/bin/network/ping/utils.c
Normal file
@ -0,0 +1,84 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-3-Clause
|
||||
*
|
||||
* Copyright (c) 1989, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Mike Muuss.
|
||||
*
|
||||
* 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.
|
||||
* 3. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <string.h>
|
||||
|
||||
#include "utils.h"
|
||||
|
||||
/*
|
||||
* in_cksum --
|
||||
* Checksum routine for Internet Protocol family headers (C Version)
|
||||
*/
|
||||
u_short
|
||||
in_cksum(u_char *addr, int len)
|
||||
{
|
||||
int nleft, sum;
|
||||
u_char *w;
|
||||
union {
|
||||
u_short us;
|
||||
u_char uc[2];
|
||||
} last;
|
||||
u_short answer;
|
||||
|
||||
nleft = len;
|
||||
sum = 0;
|
||||
w = addr;
|
||||
|
||||
/*
|
||||
* Our algorithm is simple, using a 32 bit accumulator (sum), we add
|
||||
* sequential 16 bit words to it, and at the end, fold back all the
|
||||
* carry bits from the top 16 bits into the lower 16 bits.
|
||||
*/
|
||||
while (nleft > 1) {
|
||||
u_short data;
|
||||
|
||||
memcpy(&data, w, sizeof(data));
|
||||
sum += data;
|
||||
w += sizeof(data);
|
||||
nleft -= sizeof(data);
|
||||
}
|
||||
|
||||
/* mop up an odd byte, if necessary */
|
||||
if (nleft == 1) {
|
||||
last.uc[0] = *w;
|
||||
last.uc[1] = 0;
|
||||
sum += last.us;
|
||||
}
|
||||
|
||||
/* add back carry outs from top 16 bits to low 16 bits */
|
||||
sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */
|
||||
sum += (sum >> 16); /* add carry */
|
||||
answer = ~sum; /* truncate to 16 bits */
|
||||
return(answer);
|
||||
}
|
36
src/bin/network/ping/utils.h
Normal file
36
src/bin/network/ping/utils.h
Normal file
@ -0,0 +1,36 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef UTILS_H
|
||||
#define UTILS_H 1
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
u_short in_cksum(u_char *, int);
|
||||
|
||||
#endif
|
@ -1,7 +0,0 @@
|
||||
SubDir HAIKU_TOP src bin network ping6 ;
|
||||
|
||||
UseHeaders [ FDirName $(HAIKU_TOP) headers compatibility bsd ] : true ;
|
||||
|
||||
BinCommand ping6 :
|
||||
ping6.c
|
||||
: libbsd.so $(TARGET_NETWORK_LIBS) $(TARGET_SELECT_UNAME_ETC_LIB) ;
|
@ -36,7 +36,6 @@ provides {
|
||||
cmd:passwd
|
||||
cmd:pidof
|
||||
cmd:ping
|
||||
cmd:ping6
|
||||
cmd:prio
|
||||
cmd:ps
|
||||
cmd:renice
|
||||
|
Loading…
Reference in New Issue
Block a user