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