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/*
* ping program
*
* Copyright (C) 2010 Trey Hunner
* Copyright (C) 2018 Isira Seneviratne
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "winsock2.h"
#include "ws2tcpip.h"
#include "iphlpapi.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <icmpapi.h>
#include <limits.h>
#include <windows.h>
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(ping);
static void usage(void)
{
printf("Usage: ping [-n count] [-w timeout] [-l buffer_length] target_name\n\n"
"Options:\n"
" -n Number of echo requests to send.\n"
" -w Timeout in milliseconds to wait for each reply.\n"
" -l Length of send buffer.\n");
}
int __cdecl main(int argc, char** argv)
{
unsigned int n = 4, i, w = 4000, l = 32;
int res;
int rec = 0, lost = 0, min = INT_MAX, max = 0;
WSADATA wsa;
HANDLE icmp_file;
unsigned long ipaddr;
DWORD retval, reply_size;
char *send_data, ip[100], *hostname = NULL, rtt[16];
void *reply_buffer;
struct in_addr addr;
ICMP_ECHO_REPLY *reply;
float avg = 0;
struct hostent *remote_host;
if (argc == 1)
{
usage();
exit(1);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '-' || argv[i][0] == '/')
{
switch (argv[i][1])
{
case 'n':
if (i == argc - 1)
{
printf( "Missing value for option %s\n", argv[i] );
exit(1);
}
n = atoi(argv[++i]);
if (n == 0)
{
printf("Bad value for option -n, valid range is from 1 to 4294967295.\n");
exit(1);
}
break;
case 'w':
if (i == argc - 1)
{
printf( "Missing value for option %s\n", argv[i] );
exit(1);
}
w = atoi(argv[++i]);
if (w == 0)
{
printf("Bad value for option -w.\n");
exit(1);
}
break;
case 'l':
if (i == argc - 1)
{
printf( "Missing value for option %s\n", argv[i] );
exit(1);
}
l = atoi(argv[++i]);
if (l == 0)
{
printf("Bad value for option -l.\n");
exit(1);
}
break;
case '?':
usage();
exit(1);
default:
usage();
WINE_FIXME( "this command currently only supports the -n, -w and -l parameters.\n" );
exit(1);
}
}
else
{
if (hostname)
{
printf( "Bad argument %s\n", argv[i] );
exit(1);
}
hostname = argv[i];
}
}
if (!hostname)
{
printf("Pass a host name.\n");
return 1;
}
res = WSAStartup(MAKEWORD(2, 2), &wsa);
if (res != 0)
{
printf("WSAStartup failed: %d\n", res);
return 1;
}
remote_host = gethostbyname(hostname);
if (remote_host == NULL)
{
printf("Ping request could not find host %s. Please check the name and try again.\n",
hostname);
return 1;
}
addr.s_addr = *(u_long *) remote_host->h_addr_list[0];
strcpy(ip, inet_ntoa(addr));
ipaddr = inet_addr(ip);
if (ipaddr == INADDR_NONE)
{
printf("Could not get IP address of host %s.", hostname);
return 1;
}
icmp_file = IcmpCreateFile();
send_data = heap_alloc_zero(l);
reply_size = sizeof(ICMP_ECHO_REPLY) + l + 8;
/* The buffer has to hold 8 more bytes of data (the size of an ICMP error message). */
reply_buffer = heap_alloc(reply_size);
if (reply_buffer == NULL)
{
printf("Unable to allocate memory to reply buffer.\n");
return 1;
}
printf("Pinging %s [%s] with %d bytes of data:\n", hostname, ip, l);
for (i = 0; i < n; i++)
{
SetLastError(0);
retval = IcmpSendEcho(icmp_file, ipaddr, send_data, l,
NULL, reply_buffer, reply_size, w);
if (retval != 0)
{
reply = (ICMP_ECHO_REPLY *) reply_buffer;
if (reply->RoundTripTime >= 1)
sprintf(rtt, "=%d", reply->RoundTripTime);
else
strcpy(rtt, "<1");
printf("Reply from %s: bytes=%d time%sms TTL=%d\n", ip, l,
rtt, reply->Options.Ttl);
if (reply->RoundTripTime > max)
max = reply->RoundTripTime;
if (reply->RoundTripTime < min)
min = reply->RoundTripTime;
avg += reply->RoundTripTime;
rec++;
}
else
{
if (GetLastError() == IP_REQ_TIMED_OUT)
puts("Request timed out.");
else
puts("PING: transmit failed. General failure.");
lost++;
}
if (i < n - 1) Sleep(1000);
}
printf("\nPing statistics for %s\n", ip);
printf("\tPackets: Sent = %d, Received = %d, Lost = %d (%.0f%% loss)\n",
n, rec, lost, (float) lost / n * 100);
if (rec != 0)
{
avg /= rec;
printf("Approximate round trip times in milli-seconds:\n");
printf("\tMinimum = %dms, Maximum = %dms, Average = %.0fms\n",
min, max, avg);
}
heap_free(reply_buffer);
return 0;
}
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