624 lines
18 KiB
C
624 lines
18 KiB
C
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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil -*- (for GNU Emacs)
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//
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// Copyright (c) 1985-2000 Microsoft Corporation
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//
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// This file is part of the Microsoft Research IPv6 Network Protocol Stack.
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// You should have received a copy of the Microsoft End-User License Agreement
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// for this software along with this release; see the file "license.txt".
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// If not, please see http://www.research.microsoft.com/msripv6/license.htm,
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// or write to Microsoft Research, One Microsoft Way, Redmond, WA 98052-6399.
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//
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// Abstract:
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//
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// Packet INternet Groper utility for IPv6.
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//
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#include <windows.h>
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#include <devioctl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <wspiapi.h>
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// Need ntddip6 before ws2ip6 to get CopyTDIFromSA6 and CopySAFromTDI6.
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#include <ntddip6.h>
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#include <ws2ip6.h>
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//
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// Localization library and MessageIds.
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//
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#include <iphlpapi.h>
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#include <nls.h>
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#include "localmsg.h"
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#define MAX_BUFFER_SIZE (sizeof(ICMPV6_ECHO_REPLY) + 0xfff7)
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#define DEFAULT_BUFFER_SIZE (0x2000 - 8)
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#define DEFAULT_SEND_SIZE 32
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#define DEFAULT_COUNT 4
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#define DEFAULT_TIMEOUT 4000L
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#define MIN_INTERVAL 1000L
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struct sockaddr_in6 dstaddr, srcaddr;
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PWCHAR
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GetErrorString(int ErrorCode)
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{
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DWORD Status;
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DWORD Length;
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static WCHAR ErrorString[2048]; // a 2K static buffer should suffice
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Length = 2048;
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Status = GetIpErrorString(ErrorCode, ErrorString, &Length);
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if (Status == NO_ERROR) {
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return ErrorString; // success
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}
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return L""; // return a null string
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}
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void
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PrintUsage(void)
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{
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NlsPutMsg(STDOUT, PING6_MESSAGE_0);
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// printf("\nUsage: ping6 [-t] [-a] [-n count] [-l size]"
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// " [-w timeout] [-s srcaddr] dest\n\n"
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// "Options:\n"
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// "-t Ping the specifed host until interrupted.\n"
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// "-a Resolve addresses to hostnames.\n"
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// "-n count Number of echo requests to send.\n"
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// "-l size Send buffer size.\n"
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// "-w timeout Timeout in milliseconds to wait for each reply.\n"
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// "-s srcaddr Source address to use.\n"
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// "-r Use routing header to test reverse route also.\n");
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}
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//
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// Can only be called once, because
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// a) does not call freeaddrinfo
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// b) uses a static buffer for some results
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//
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int
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get_pingee(char *ahstr, int dnsreq, struct sockaddr_in6 *address, char **hstr)
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{
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struct addrinfo hints;
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struct addrinfo *result;
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char *name = NULL;
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memset(&hints, 0, sizeof hints);
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hints.ai_flags = AI_NUMERICHOST;
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hints.ai_family = PF_INET6;
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if (getaddrinfo(ahstr, NULL, &hints, &result) != 0) {
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//
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// Not a numeric address.
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// Try again with DNS name resolution.
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//
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hints.ai_flags = AI_CANONNAME;
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if (getaddrinfo(ahstr, NULL, &hints, &result) != 0) {
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//
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// Failure - we can not resolve the name.
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//
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return FALSE;
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}
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name = result->ai_canonname;
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}
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else {
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//
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// Should we do a reverse-lookup to get a name?
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//
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if (dnsreq) {
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static char namebuf[NI_MAXHOST];
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if (getnameinfo(result->ai_addr, result->ai_addrlen,
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namebuf, sizeof namebuf,
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NULL, 0,
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NI_NAMEREQD) == 0) {
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//
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// Reverse lookup succeeded.
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//
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name = namebuf;
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}
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}
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}
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*address = * (struct sockaddr_in6 *) result->ai_addr;
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*hstr = name;
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return TRUE;
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}
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int
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get_source(char *astr, struct sockaddr_in6 *address)
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{
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struct addrinfo hints;
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struct addrinfo *result;
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memset(&hints, 0, sizeof hints);
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hints.ai_flags = AI_PASSIVE;
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hints.ai_family = PF_INET6;
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if (getaddrinfo(astr, NULL, &hints, &result) != 0)
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return FALSE;
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*address = * (struct sockaddr_in6 *) result->ai_addr;
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return TRUE;
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}
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char *
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format_addr(struct sockaddr_in6 *address)
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{
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static char buffer[128];
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if (getnameinfo((struct sockaddr *)address, sizeof *address,
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buffer, sizeof buffer, NULL, 0, NI_NUMERICHOST) != 0)
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strcpy(buffer, "<invalid>");
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return buffer;
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}
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u_long
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param(char **argv, int argc, int current, u_long min, u_long max)
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{
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u_long temp;
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char *dummy;
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if (current == (argc - 1) ) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_1, argv[current]);
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// printf("Value must be supplied for option %s.\n", argv[current]);
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exit(1);
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}
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temp = strtoul(argv[current+1], &dummy, 0);
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if (temp < min || temp > max) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_2, argv[current]);
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// printf("Bad value for option %s.\n", argv[current]);
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exit(1);
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}
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return temp;
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}
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u_int num_send=0, num_recv=0,
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time_min=(u_int)-1, time_max=0, time_total=0;
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void
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print_statistics( )
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{
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if (num_send > 0) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_3, format_addr(&dstaddr));
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// printf("\nPing statistics for %s:\n", format_addr(&dstaddr));
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NlsPutMsg(STDOUT, PING6_MESSAGE_4,
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num_send, num_recv, num_send - num_recv,
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100 * (num_send - num_recv) / num_send);
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// printf(" Packets: Sent = %u, Received = %u, Lost = %u (%u%% loss),\n",
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// num_send, num_recv, num_send - num_recv,
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// 100 * (num_send - num_recv) / num_send);
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if (num_recv > 0) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_5);
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// printf("Approximate round trip times in milli-seconds:\n");
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NlsPutMsg(STDOUT, PING6_MESSAGE_6,
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time_min, time_max, time_total / num_recv);
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// printf(" Minimum = %ums, Maximum = %ums, Average = %ums\n",
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// time_min, time_max, time_total / num_recv);
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}
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}
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}
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// Press C-c to print and abort.
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// Press C-break to print and continue.
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BOOL
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ConsoleControlHandler(DWORD dwCtrlType)
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{
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print_statistics();
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switch ( dwCtrlType ) {
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case CTRL_BREAK_EVENT:
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NlsPutMsg(STDOUT, PING6_MESSAGE_7);
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// printf("Control-Break\n");
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return TRUE;
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case CTRL_C_EVENT:
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NlsPutMsg(STDOUT, PING6_MESSAGE_8);
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// printf("Control-C\n");
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default:
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return FALSE;
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}
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}
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int __cdecl
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main(int argc, char **argv)
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{
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char *arg;
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u_int i;
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u_int j;
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int found_addr = FALSE;
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int dnsreq = FALSE;
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char *hostname = NULL;
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u_int Count = DEFAULT_COUNT;
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u_long Timeout = DEFAULT_TIMEOUT;
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DWORD errorCode;
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HANDLE Handle;
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int err;
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BOOL result;
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PICMPV6_ECHO_REQUEST request;
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PICMPV6_ECHO_REPLY reply;
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char *SendBuffer, *RcvBuffer;
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u_int RcvSize;
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u_int SendSize = DEFAULT_SEND_SIZE;
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u_int ReplySize;
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DWORD bytesReturned;
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WSADATA WsaData;
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int Reverse = FALSE;
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PWCHAR Message;
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memset(&srcaddr, 0, sizeof srcaddr);
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memset(&dstaddr, 0, sizeof dstaddr);
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err = WSAStartup(MAKEWORD(2, 0), &WsaData);
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if (err) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_9, GetLastError());
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// printf("Unable to initialize Windows Sockets interface, error code %d\n", GetLastError());
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exit(1);
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}
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if (argc < 2) {
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PrintUsage();
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exit(1);
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} else {
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i = 1;
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while (i < (u_int) argc) {
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arg = argv[i];
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if (arg[0] == '-' || arg[0] == '/') { // Have an option
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switch (arg[1]) {
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case '?':
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PrintUsage();
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exit(0);
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case 'l':
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// Avoid jumbo-grams, we don't support them yet.
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// Need to allow 8 bytes for the Echo Request header.
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SendSize = (u_int)param(argv, argc, i++, 0, 0xffff - 8);
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break;
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case 't':
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Count = (u_int)-1;
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break;
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case 'n':
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Count = (u_int)param(argv, argc, i++, 1, 0xffffffff);
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break;
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case 'w':
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Timeout = param(argv, argc, i++, 0, 0xffffffff);
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break;
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case 'a':
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dnsreq = TRUE;
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break;
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case 'r':
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Reverse = TRUE;
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break;
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case 's':
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if (!get_source(argv[++i], &srcaddr)) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_10, argv[i]);
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// printf("Bad IPv6 address %s.\n", argv[i]);
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exit(1);
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}
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break;
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default:
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NlsPutMsg(STDOUT, PING6_MESSAGE_11, arg);
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// printf("Bad option %s.\n\n", arg);
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PrintUsage();
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exit(1);
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break;
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}
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i++;
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} else { // Not an option, must be an IPv6 address.
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if (found_addr) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_12, arg);
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// printf("Bad parameter %s.\n", arg);
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exit(1);
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}
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if (get_pingee(arg, dnsreq, &dstaddr, &hostname)) {
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found_addr = TRUE;
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i++;
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} else {
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NlsPutMsg(STDOUT, PING6_MESSAGE_10, arg);
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// printf("Bad IPv6 address %s.\n", arg);
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exit(1);
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}
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}
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}
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}
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if (!found_addr) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_13);
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// printf("IPv6 address must be specified.\n");
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exit(1);
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}
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Handle = CreateFileW(WIN_IPV6_DEVICE_NAME,
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0, // desired access
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL, // security attributes
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OPEN_EXISTING,
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0, // flags & attributes
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NULL); // template file
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if (Handle == INVALID_HANDLE_VALUE) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_14,
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GetLastError() );
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// printf("Unable to contact IPv6 driver, error code %d.\n",
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// GetLastError() );
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exit(1);
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}
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if (srcaddr.sin6_family == 0) {
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SOCKET s;
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DWORD BytesReturned;
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//
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// A source address was not specified.
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// Get the preferred source address for this destination.
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//
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// If you want each individual echo request
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// to select a source address, use "-s ::".
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//
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s = socket(AF_INET6, 0, 0);
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if (s == INVALID_SOCKET) {
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NlsPutMsg(STDOUT, PING6_MESSAGE_15,
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WSAGetLastError());
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// printf("Unable to create IPv6 socket, error code %d.\n",
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// WSAGetLastError());
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||
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|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// This ioctl will fail if ping6 is run on a system
|
||
|
|
// without the proper support in AFD and the stack.
|
||
|
|
// In that case, srcaddr will be unchanged.
|
||
|
|
//
|
||
|
|
(void) WSAIoctl(s, SIO_ROUTING_INTERFACE_QUERY,
|
||
|
|
&dstaddr, sizeof dstaddr,
|
||
|
|
&srcaddr, sizeof srcaddr,
|
||
|
|
&BytesReturned, NULL, NULL);
|
||
|
|
|
||
|
|
closesocket(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
request = LocalAlloc(LMEM_FIXED, sizeof *request + SendSize);
|
||
|
|
if (request == NULL) {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_16);
|
||
|
|
// printf("Unable to allocate required memory.\n");
|
||
|
|
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
SendBuffer = (char *)(request + 1);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate receive buffer size and try to allocate it.
|
||
|
|
//
|
||
|
|
if (SendSize <= DEFAULT_SEND_SIZE) {
|
||
|
|
RcvSize = DEFAULT_BUFFER_SIZE;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
RcvSize = MAX_BUFFER_SIZE;
|
||
|
|
}
|
||
|
|
|
||
|
|
reply = LocalAlloc(LMEM_FIXED, sizeof *reply + RcvSize);
|
||
|
|
if (reply == NULL) {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_16);
|
||
|
|
// printf("Unable to allocate required memory.\n");
|
||
|
|
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
RcvBuffer = (char *)(reply + 1);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Initialize the request buffer.
|
||
|
|
//
|
||
|
|
CopyTDIFromSA6(&request->DstAddress, &dstaddr);
|
||
|
|
CopyTDIFromSA6(&request->SrcAddress, &srcaddr);
|
||
|
|
request->Flags = 0;
|
||
|
|
if (Reverse)
|
||
|
|
request->Flags |= ICMPV6_ECHO_REQUEST_FLAG_REVERSE;
|
||
|
|
request->Timeout = Timeout;
|
||
|
|
request->TTL = 0; // default TTL
|
||
|
|
|
||
|
|
//
|
||
|
|
// Initialize the request data pattern.
|
||
|
|
//
|
||
|
|
for (i = 0; i < SendSize; i++)
|
||
|
|
SendBuffer[i] = 'a' + (i % 23);
|
||
|
|
|
||
|
|
if (hostname)
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_17, hostname, format_addr(&dstaddr));
|
||
|
|
// printf("\nPinging %s [%s]", hostname, format_addr(&dstaddr));
|
||
|
|
|
||
|
|
else
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_18, format_addr(&dstaddr));
|
||
|
|
// printf("\nPinging %s", format_addr(&dstaddr));
|
||
|
|
|
||
|
|
if (srcaddr.sin6_family != 0)
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_19, format_addr(&srcaddr));
|
||
|
|
// printf("\nfrom %s", format_addr(&srcaddr));
|
||
|
|
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_20, SendSize);
|
||
|
|
// printf(" with %u bytes of data:\n\n", SendSize);
|
||
|
|
|
||
|
|
|
||
|
|
SetConsoleCtrlHandler(&ConsoleControlHandler, TRUE);
|
||
|
|
|
||
|
|
for (i = 0; i < Count; i++) {
|
||
|
|
|
||
|
|
if (! DeviceIoControl(Handle,
|
||
|
|
IOCTL_ICMPV6_ECHO_REQUEST,
|
||
|
|
request,
|
||
|
|
sizeof *request + SendSize,
|
||
|
|
reply, sizeof *reply + RcvSize,
|
||
|
|
&bytesReturned,
|
||
|
|
NULL) ||
|
||
|
|
(bytesReturned < sizeof *reply)) {
|
||
|
|
|
||
|
|
errorCode = GetLastError();
|
||
|
|
|
||
|
|
if (errorCode < IP_STATUS_BASE) {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_21, errorCode);
|
||
|
|
// printf("PING: transmit failed, error code %u\n", errorCode);
|
||
|
|
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_22,
|
||
|
|
GetErrorString(errorCode));
|
||
|
|
// printf("PING: %s\n", GetErrorString(errorCode));
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
struct sockaddr_in6 ReplyAddress;
|
||
|
|
|
||
|
|
ReplySize = bytesReturned - sizeof *reply;
|
||
|
|
|
||
|
|
CopySAFromTDI6(&ReplyAddress, &reply->Address);
|
||
|
|
|
||
|
|
num_send++;
|
||
|
|
|
||
|
|
if (! IN6_IS_ADDR_UNSPECIFIED(&ReplyAddress.sin6_addr))
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_23, format_addr(&ReplyAddress));
|
||
|
|
// printf("Reply from %s: ", format_addr(&ReplyAddress));
|
||
|
|
|
||
|
|
|
||
|
|
if (reply->Status == IP_SUCCESS) {
|
||
|
|
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_24, ReplySize);
|
||
|
|
// printf("bytes=%u ", ReplySize);
|
||
|
|
|
||
|
|
|
||
|
|
if (ReplySize != SendSize) {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_25, SendSize);
|
||
|
|
// printf("(sent %u) ", SendSize);
|
||
|
|
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
char *sendptr, *recvptr;
|
||
|
|
|
||
|
|
sendptr = SendBuffer;
|
||
|
|
recvptr = RcvBuffer;
|
||
|
|
|
||
|
|
for (j = 0; j < SendSize; j++)
|
||
|
|
if (*sendptr++ != *recvptr++) {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_26, j);
|
||
|
|
// printf("- MISCOMPARE at offset %u - ", j);
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (reply->RoundTripTime) {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_27, reply->RoundTripTime);
|
||
|
|
// printf("time=%ums ", reply->RoundTripTime);
|
||
|
|
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_28);
|
||
|
|
// printf("time<1ms ");
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_29);
|
||
|
|
// printf("\n");
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Collect statistics.
|
||
|
|
//
|
||
|
|
num_recv++;
|
||
|
|
time_total += reply->RoundTripTime;
|
||
|
|
if (reply->RoundTripTime < time_min)
|
||
|
|
time_min = reply->RoundTripTime;
|
||
|
|
if (reply->RoundTripTime > time_max)
|
||
|
|
time_max = reply->RoundTripTime;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_30,
|
||
|
|
GetErrorString(reply->Status));
|
||
|
|
// printf("%s\n", GetErrorString(reply->Status));
|
||
|
|
|
||
|
|
|
||
|
|
if (IN6_IS_ADDR_UNSPECIFIED(&ReplyAddress.sin6_addr)) {
|
||
|
|
//
|
||
|
|
// Diagnose some common errors.
|
||
|
|
//
|
||
|
|
if (reply->Status == IP_DEST_NO_ROUTE) {
|
||
|
|
if (IN6_IS_ADDR_LINKLOCAL(&dstaddr.sin6_addr) ||
|
||
|
|
IN6_IS_ADDR_SITELOCAL(&dstaddr.sin6_addr) ||
|
||
|
|
IN6_IS_ADDR_MULTICAST(&dstaddr.sin6_addr))
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_31);
|
||
|
|
// printf(" Specify correct scope-id or "
|
||
|
|
// "use -s to specify source address.\n");
|
||
|
|
|
||
|
|
}
|
||
|
|
else if (reply->Status == IP_PARAMETER_PROBLEM) {
|
||
|
|
if (IN6_IS_ADDR_UNSPECIFIED(&dstaddr.sin6_addr))
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_32);
|
||
|
|
// printf(" Illegal destination address.\n");
|
||
|
|
|
||
|
|
else if (dstaddr.sin6_scope_id != 0)
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_33);
|
||
|
|
// printf(" Invalid scope-id specified.\n");
|
||
|
|
|
||
|
|
else if (IN6_IS_ADDR_LINKLOCAL(&dstaddr.sin6_addr) ||
|
||
|
|
IN6_IS_ADDR_SITELOCAL(&dstaddr.sin6_addr) ||
|
||
|
|
IN6_IS_ADDR_MULTICAST(&dstaddr.sin6_addr))
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_31);
|
||
|
|
// printf(" Specify correct scope-id or "
|
||
|
|
// "use -s to specify source address.\n");
|
||
|
|
|
||
|
|
}
|
||
|
|
else if (reply->Status == IP_BAD_ROUTE) {
|
||
|
|
NlsPutMsg(STDOUT, PING6_MESSAGE_34);
|
||
|
|
// printf(" Problem with source address or scope-id.\n");
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (i < (Count - 1)) {
|
||
|
|
|
||
|
|
if (reply->RoundTripTime < MIN_INTERVAL) {
|
||
|
|
Sleep(MIN_INTERVAL - reply->RoundTripTime);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
print_statistics();
|
||
|
|
return num_recv == 0;
|
||
|
|
}
|