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130 lines
2.7 KiB
130 lines
2.7 KiB
// ping.cpp
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#include "stdafx.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <time.h>
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <snmp.h>
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#include <winsock2.h>
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#include "llinfo.h"
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//#include "tcpcmd.h"
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#include "ipexport.h"
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#include "icmpapi.h"
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//#include "nlstxt.h"
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#include "Icmpapi.h"
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#include "tstst.h"
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#include "testdata.h"
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unsigned long get_pingee(char *ahstr, char **hstr, int *was_inaddr, int dnsreq)
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{
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struct hostent *hostp = NULL;
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long inaddr;
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if ( strcmp( ahstr, "255.255.255.255" ) == 0 ) {
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return(0L);
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}
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if ((inaddr = inet_addr(ahstr)) == -1L) {
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hostp = gethostbyname(ahstr);
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if (hostp) {
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/*
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* If we find a host entry, set up the internet address
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*/
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inaddr = *(long *)hostp->h_addr;
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*was_inaddr = 0;
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} else {
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// Neither dotted, not name.
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return(0L);
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}
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} else {
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// Is dotted.
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*was_inaddr = 1;
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if (dnsreq == 1) {
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hostp = gethostbyaddr((char *)&inaddr,sizeof(inaddr),AF_INET);
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}
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}
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*hstr = hostp ? hostp->h_name : (char *)NULL;
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return(inaddr);
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}
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bool CanPing ()
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{
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if (!CTSTestData::GetMachineName())
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return true;
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USES_CONVERSION;
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const Timeout = 4000L;
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WSADATA WsaData;
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if (WSAStartup( 0x0101, &WsaData))
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{
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return false;
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}
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HANDLE IcmpHandle;
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IcmpHandle = IcmpCreateFile();
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if (IcmpHandle == INVALID_HANDLE_VALUE)
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{
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return false;
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}
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char *hostname = NULL;
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int was_inaddr;
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int dnsreq = 0;
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IPAddr address = 0;
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address = get_pingee(T2A(CTSTestData::GetMachineName()), &hostname, &was_inaddr, dnsreq);
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if ( !address || (address == INADDR_NONE) )
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{
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return false;
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}
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const SendSize = 32;
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const RecvSize = 0x2000 - 8;
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char *SendBuffer = (char *)LocalAlloc(LMEM_FIXED, SendSize);
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char *RcvBuffer = (char *)LocalAlloc(LMEM_FIXED, RecvSize);
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if (!RcvBuffer || !SendBuffer)
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{
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if (RcvBuffer)
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LocalFree(RcvBuffer);
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if (SendBuffer)
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LocalFree(SendBuffer);
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return false;
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}
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IP_OPTION_INFORMATION SendOpts;
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SendOpts.OptionsData = NULL;
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SendOpts.OptionsSize = 0;
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SendOpts.Ttl = 128;
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SendOpts.Tos = 0;
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SendOpts.Flags = 0;
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if (IcmpSendEcho2(IcmpHandle,
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0,
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NULL,
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NULL,
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address,
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SendBuffer,
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(unsigned short) SendSize,
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&SendOpts,
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RcvBuffer,
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RecvSize,
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Timeout) == 0)
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{
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return false;
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}
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IcmpCloseHandle(IcmpHandle);
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LocalFree(SendBuffer);
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LocalFree(RcvBuffer);
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return true;
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}
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