reactos/rosapps/net/arp/arp.c

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/*
* arp - display ARP cache from the IP stack parameters.
*
* This source code is in the PUBLIC DOMAIN and has NO WARRANTY.
*
* Robert Dickenson <robd@reactos.org>, August 15, 2002.
*/
#include <stdio.h>
#include <windows.h>
#include <tchar.h>
#include <time.h>
#include <iptypes.h>
#include <ipexport.h>
#include <iphlpapi.h>
#include <snmp.h>
#include "trace.h"
VOID SNMP_FUNC_TYPE SnmpSvcInitUptime();
DWORD SNMP_FUNC_TYPE SnmpSvcGetUptime();
////////////////////////////////////////////////////////////////////////////////
const char szUsage[] = { "\n" \
"Displays and modifies the IP Protocol to physical address translation tables\n" \
"used by address resolution protocol (ARP).\n" \
"\n" \
"ARP -s inet_addr eth_addr [if_addr]\n" \
"ARP -d inet_addr [if_addr]\n" \
"ARP -a [inet_addr] [-N if_addr]\n" \
"\n" \
" -a Displays the active ARP table by querying the current protocol\n" \
" data. If inet_addr is specified, the IP and physical addresses\n" \
" for the specified address are displayed. If more than one\n" \
" network interface is using ARP, each interfaces ARP table is\n" \
" displayed.\n" \
" -g Indentical to -a.\n" \
" inet_addr Specifies the IP address.\n" \
" -N if_addr Displays the ARP table for the specified interface only\n" \
" -d Deletes the host entry specified by inet_addr. inet_addr may be\n" \
" wildcarded with * to delete all host entries in the ARP table.\n" \
" -s Adds the host and associates the IP address inet_addr with the\n" \
" physical address eth_addr. The physical address must be specified\n" \
" as 6 hexadecimal characters delimited by hyphens. The new entry\n" \
" will become permanent in the ARP table.\n" \
" eth_addr Specifies the interface physical address.\n" \
" if_addr If present, this specifies the IP address of the interface whose\n" \
" address translation table should be modified. If not present, the\n" \
" first applicable interface will be used.\n" \
"Example:\n" \
" > arp -s 192.168.0.12 55-AA-55-01-02-03 .... Static entry creation.\n" \
" > arp -a .... ARP table display.\n" \
" > arp -d * .... Delete all ARP table entries.\n"
};
void usage(void)
{
// fprintf(stderr,"USAGE:\n");
fputs(szUsage, stderr);
}
int main(int argc, char *argv[])
{
TCHAR szComputerName[50];
DWORD dwSize = 50;
int nBytes = 500;
BYTE* pCache;
if (argc > 1) {
usage();
return 1;
}
SnmpSvcInitUptime();
GetComputerName(szComputerName, &dwSize);
_tprintf(_T("ReactOS ARP cache on Computer Name: %s\n"), szComputerName);
pCache = (BYTE*)SnmpUtilMemAlloc(nBytes);
Sleep(2500);
if (pCache != NULL) {
DWORD dwUptime = SnmpSvcGetUptime();
_tprintf(_T("SNMP uptime: %d\n"), dwUptime);
SnmpUtilMemFree(pCache);
} else {
_tprintf(_T("ERROR: call to SnmpUtilMemAlloc() failed\n"));
return 1;
}
return 0;
}