mirror of
https://github.com/reactos/reactos.git
synced 2025-08-02 13:56:56 +00:00
Ged Murpy <gedmurphy@gmail.com>
* ARP Rewrite, 90% complete (still in progress) svn path=/trunk/; revision=16440
This commit is contained in:
Alex Ionescu
parent
d9cbcc2128
commit
c3e6b1f6a4
3 changed files with 457 additions and 92 deletions
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@ -1,97 +1,461 @@
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/*
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/*
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* arp - display ARP cache from the IP stack parameters.
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS arp utility
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* FILE: apps/utils/net/arp/arp.c
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* PURPOSE: view and manipulate the ARP cache
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* PROGRAMMERS: Ged Murphy (gedmurphy@gmail.com)
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* REVISIONS:
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* GM 27/06/05 Created
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*
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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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*/
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#include <stdio.h>
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#include <windows.h>
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <tchar.h>
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#include <tchar.h>
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#include <time.h>
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#include <string.h>
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#include <ctype.h>
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#include <iptypes.h>
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#include <winsock2.h>
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#include <ipexport.h>
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#include <iphlpapi.h>
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#include <iphlpapi.h>
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#include <snmp.h>
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#define WIN32_LEAN_AND_MEAN
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#include "trace.h"
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#define UNICODE
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#define _UNICODE
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VOID WINAPI SnmpSvcInitUptime();
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/*
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////////////////////////////////////////////////////////////////////////////////
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* Globals
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*/
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const char szUsage[] = { "\n" \
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const char SEPERATOR = '-';
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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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/*
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"ARP -d inet_addr [if_addr]\n" \
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* function declerations
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"ARP -a [inet_addr] [-N if_addr]\n" \
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*/
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"\n" \
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INT DisplayArpEntries(PTCHAR pszInetAddr, PTCHAR pszIfAddr);
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" -a Displays the active ARP table by querying the current protocol\n" \
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INT PrintEntries(PMIB_IPNETROW pIpAddRow);
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" data. If inet_addr is specified, the IP and physical addresses\n" \
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INT Addhost(PTCHAR pszInetAddr, PTCHAR pszEthAddr, PTCHAR pszIfAddr);
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" for the specified address are displayed. If more than one\n" \
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INT Deletehost(PTCHAR pszInetAddr, PTCHAR pszIfAddr);
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" network interface is using ARP, each interfaces ARP table is\n" \
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VOID Usage(VOID);
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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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/*
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" -d Deletes the host entry specified by inet_addr. inet_addr may be\n" \
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*
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" wildcarded with * to delete all host entries in the ARP table.\n" \
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* Takes optional parameters of an internet address and interface address.
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" -s Adds the host and associates the IP address inet_addr with the\n" \
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* Retrieve all entries in the ARP cache. If an internet address is
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" physical address eth_addr. The physical address must be specified\n" \
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* specified, display the ARP entry relating to that address. If an
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" as 6 hexadecimal characters delimited by hyphens. The new entry\n" \
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* interface address is specified, display all entries relating to
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" will become permanent in the ARP table.\n" \
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* that interface.
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" eth_addr Specifies the interface physical address.\n" \
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*
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" if_addr If present, this specifies the IP address of the interface whose\n" \
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*/
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" address translation table should be modified. If not present, the\n" \
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/* FIXME: allow user to specify an interface address, via pszIfAddr */
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" first applicable interface will be used.\n" \
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INT DisplayArpEntries(PTCHAR pszInetAddr, PTCHAR pszIfAddr)
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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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{
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// fprintf(stderr,"USAGE:\n");
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INT i, k, iRet;
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fputs(szUsage, stderr);
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PMIB_IPNETTABLE pIpNetTable;
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}
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PMIB_IPADDRTABLE pIpAddrTable;
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ULONG ulSize = 0;
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int main(int argc, char *argv[])
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struct in_addr inaddr, inaddr2;
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{
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DWORD dwSize = 0;
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TCHAR szComputerName[50];
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PTCHAR pszIpAddr;
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DWORD dwSize = 50;
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TCHAR szIntIpAddr[20];
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int nBytes = 500;
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/* Return required buffer size */
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BYTE* pCache;
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GetIpNetTable(NULL, &ulSize, 0);
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if (argc > 1) {
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/* allocate memory for ARP address table */
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usage();
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pIpNetTable = (PMIB_IPNETTABLE) malloc(ulSize * sizeof(BYTE));
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return 1;
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ZeroMemory(pIpNetTable, sizeof(*pIpNetTable));
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}
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/* get Arp address table */
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SnmpSvcInitUptime();
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if (pIpNetTable != NULL) {
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GetIpNetTable(pIpNetTable, &ulSize, TRUE);
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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: %ld\n"), dwUptime);
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SnmpUtilMemFree(pCache);
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} else {
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} else {
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_tprintf(_T("ERROR: call to SnmpUtilMemAlloc() failed\n"));
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_tprintf(_T("failed to allocate memory for GetIpNetTable\n"));
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return 1;
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free(pIpNetTable);
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return -1;
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}
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}
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return 0;
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}
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/* check there are entries in the table */
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if (pIpNetTable->dwNumEntries == 0) {
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_tprintf(_T("No ARP entires found\n"));
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free(pIpNetTable);
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return -1;
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}
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/* try doing this in the way it's done above, it's clearer */
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/* Retrieve the interface-to-ip address mapping
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* table to get the IP address for adapter */
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pIpAddrTable = (MIB_IPADDRTABLE *) malloc(dwSize);
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GetIpAddrTable(pIpAddrTable, &dwSize, 0); // NULL ?
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pIpAddrTable = (MIB_IPADDRTABLE *) malloc(dwSize);
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//ZeroMemory(pIpAddrTable, sizeof(*pIpAddrTable));
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if ((iRet = GetIpAddrTable(pIpAddrTable, &dwSize, TRUE)) != NO_ERROR) { // NO_ERROR = 0
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_tprintf(_T("GetIpAddrTable failed: %d\n"), iRet);
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_tprintf(_T("error: %d\n"), WSAGetLastError());
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}
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for (k=0; k < pIpAddrTable->dwNumEntries; k++) {
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if (pIpNetTable->table[0].dwIndex == pIpAddrTable->table[k].dwIndex) {
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//printf("printing pIpAddrTable->table[?].dwIndex = %lx\n", pIpNetTable->table[k].dwIndex);
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inaddr2.s_addr = pIpAddrTable->table[k].dwAddr;
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pszIpAddr = inet_ntoa(inaddr2);
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strcpy(szIntIpAddr, pszIpAddr);
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}
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}
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/* print header, including interface IP address and index number */
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_tprintf(_T("\nInterface: %s --- 0x%lx \n"), szIntIpAddr, pIpNetTable->table[0].dwIndex);
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_tprintf(_T(" Internet Address Physical Address Type\n"));
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/* go through all ARP entries */
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for (i=0; i < pIpNetTable->dwNumEntries; i++) {
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/* if the user has supplied their own internet addesss *
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* only print the arp entry which matches that */
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if (pszInetAddr) {
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inaddr.S_un.S_addr = pIpNetTable->table[i].dwAddr;
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pszIpAddr = inet_ntoa(inaddr);
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/* check if it matches, print it */
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if (strcmp(pszIpAddr, pszInetAddr) == 0) {
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PrintEntries(&pIpNetTable->table[i]);
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}
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} else {
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/* if an address is not supplied, print all entries */
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PrintEntries(&pIpNetTable->table[i]);
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}
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}
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free(pIpNetTable);
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free(pIpAddrTable);
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return 0;
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}
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/*
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*
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* Takes an ARP entry and prints the IP address,
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* the MAC address and the entry type to screen
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*
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*/
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INT PrintEntries(PMIB_IPNETROW pIpAddRow)
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{
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IN_ADDR inaddr;
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TCHAR cMacAddr[20];
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/* print IP addresses */
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inaddr.S_un.S_addr = pIpAddRow->dwAddr;
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_tprintf(_T(" %-22s"), inet_ntoa(inaddr)); //error checking
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/* print MAC address */
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_stprintf(cMacAddr, _T("%02x-%02x-%02x-%02x-%02x-%02x"),
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pIpAddRow->bPhysAddr[0],
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pIpAddRow->bPhysAddr[1],
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pIpAddRow->bPhysAddr[2],
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pIpAddRow->bPhysAddr[3],
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pIpAddRow->bPhysAddr[4],
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pIpAddRow->bPhysAddr[5]);
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_tprintf(_T("%-22s"), cMacAddr);
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/* print cache type */
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switch (pIpAddRow->dwType) {
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case MIB_IPNET_TYPE_DYNAMIC : _tprintf(_T("dynamic\n"));
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break;
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case MIB_IPNET_TYPE_STATIC : _tprintf(_T("static\n"));
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break;
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case MIB_IPNET_TYPE_INVALID : _tprintf(_T("invalid\n"));
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break;
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case MIB_IPNET_TYPE_OTHER : _tprintf(_T("other\n"));
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break;
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}
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return 0;
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}
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/*
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*
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* Takes an internet address, a MAC address and an optional interface
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* address as arguments and checks their validity.
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* Fill out an MIB_IPNETROW structure and insert the data into the
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* ARP cache as a static entry.
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*
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*/
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INT Addhost(PTCHAR pszInetAddr, PTCHAR pszEthAddr, PTCHAR pszIfAddr)
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{
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PMIB_IPNETROW pAddHost;
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PMIB_IPADDRTABLE pIpAddrTable;
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DWORD dwIpAddr;
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DWORD dwSize = 0;
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INT iRet, i, val;
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TCHAR c;
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/* error checking */
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/* check IP address */
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if (pszInetAddr != NULL) {
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if ((dwIpAddr = inet_addr(pszInetAddr)) == INADDR_NONE) {
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_tprintf(_T("ARP: bad IP address: %s\n"), pszInetAddr);
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return -1;
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}
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} else {
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Usage();
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}
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/* check MAC address */
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if (strlen(pszEthAddr) != 17) {
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_tprintf(_T("ARP: bad argument: %s\n"), pszEthAddr);
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return -1;
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}
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for (i=0; i<17; i++) {
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if (pszEthAddr[i] == SEPERATOR) {
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continue;
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}
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if (!isxdigit(pszEthAddr[i])) {
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_tprintf(_T("ARP: bad argument: %s\n"), pszEthAddr);
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return -1;
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}
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}
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/* reserve memory on heap and zero */
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pAddHost = (MIB_IPNETROW *) malloc(sizeof(MIB_IPNETROW));
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ZeroMemory(pAddHost, sizeof(MIB_IPNETROW));
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/* set dwIndex field to the index of a local IP address to
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* indicate the network on which the ARP entry applies */
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if (pszIfAddr) {
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sscanf(pszIfAddr, "%lx", &pAddHost->dwIndex);
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} else {
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/* map the IP to the index */
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pIpAddrTable = (MIB_IPADDRTABLE *) malloc(dwSize);
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GetIpAddrTable(pIpAddrTable, &dwSize, 0);
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pIpAddrTable = (MIB_IPADDRTABLE *) malloc(dwSize);
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if ((iRet = GetIpAddrTable(pIpAddrTable, &dwSize, TRUE)) != NO_ERROR) { // NO_ERROR = 0
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_tprintf(_T("GetIpAddrTable failed: %d\n"), iRet);
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_tprintf(_T("error: %d\n"), WSAGetLastError());
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}
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printf("printing pIpAddrTable->table[0].dwIndex = %lx\n", pIpAddrTable->table[0].dwIndex);
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pAddHost->dwIndex = 4;
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}
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/* Set MAC address to 6 bytes (typical) */
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pAddHost->dwPhysAddrLen = 6;
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/* Encode bPhysAddr into correct byte array */
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for (i=0; i<6; i++) {
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val =0;
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c = toupper(pszEthAddr[i*3]);
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c = c - (isdigit(c) ? '0' : ('A' - 10));
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val += c;
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val = (val << 4);
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c = toupper(pszEthAddr[i*3 + 1]);
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c = c - (isdigit(c) ? '0' : ('A' - 10));
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val += c;
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pAddHost->bPhysAddr[i] = val;
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}
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/* copy converted IP address */
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pAddHost->dwAddr = dwIpAddr;
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/* set type to static */
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pAddHost->dwType = MIB_IPNET_TYPE_STATIC;
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/* Add the ARP entry */
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if ((iRet = SetIpNetEntry(pAddHost)) != NO_ERROR) {
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_tprintf(_T("The ARP entry addition failed: %d\n"), iRet);
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return -1;
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}
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free(pIpAddrTable);
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free(pAddHost);
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return 0;
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}
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/*
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*
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* Takes an internet address and an optional interface address as
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* arguments and checks their validity.
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* Add the interface number and IP to an MIB_IPNETROW structure
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* and remove the entrty from the ARP cache.
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*
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*/
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INT Deletehost(PTCHAR pszInetAddr, PTCHAR pszIfAddr)
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{
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PMIB_IPNETROW pDelHost;
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PMIB_IPADDRTABLE pIpAddrTable;
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DWORD dwIpAddr;
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DWORD dwSize = 0;
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INT iret;
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/* error checking */
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/* check IP address */
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if (pszInetAddr != NULL) {
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if ((dwIpAddr = inet_addr(pszInetAddr)) == INADDR_NONE) {
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_tprintf(_T("ARP: bad IP address: %s\n"), pszInetAddr);
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return -1;
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}
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} else {
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Usage();
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}
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pIpAddrTable = (MIB_IPADDRTABLE*) malloc(sizeof(MIB_IPADDRTABLE));
|
||||||
|
pDelHost = (MIB_IPNETROW *) malloc(sizeof(MIB_IPNETROW));
|
||||||
|
ZeroMemory(pIpAddrTable, sizeof(MIB_IPADDRTABLE));
|
||||||
|
ZeroMemory(pDelHost, sizeof(MIB_IPNETROW));
|
||||||
|
/* set dwIndex field to the index of a local IP address to
|
||||||
|
* indicate the network on which the ARP entry applies */
|
||||||
|
if (pszIfAddr) {
|
||||||
|
sscanf(pszIfAddr, "%lx", &pDelHost->dwIndex);
|
||||||
|
} else {
|
||||||
|
/* map the IP to the index */
|
||||||
|
if (GetIpAddrTable(pIpAddrTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) {
|
||||||
|
pIpAddrTable = (MIB_IPADDRTABLE *) malloc(dwSize);
|
||||||
|
}
|
||||||
|
if ((iret = GetIpAddrTable(pIpAddrTable, &dwSize, TRUE)) != NO_ERROR) {
|
||||||
|
_tprintf(_T("GetIpAddrTable failed: %d\n"), iret);
|
||||||
|
_tprintf(_T("error: %d\n"), WSAGetLastError());
|
||||||
|
}
|
||||||
|
pDelHost->dwIndex = 4; //pIpAddrTable->table[0].dwIndex;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* copy converted IP address */
|
||||||
|
pDelHost->dwAddr = dwIpAddr;
|
||||||
|
|
||||||
|
/* Add the ARP entry */
|
||||||
|
if ((iret = DeleteIpNetEntry(pDelHost)) != NO_ERROR) {
|
||||||
|
_tprintf(_T("The ARP entry deletion failed: %d\n"), iret);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
free(pIpAddrTable);
|
||||||
|
free(pDelHost);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
*
|
||||||
|
* print program usage to screen
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
VOID Usage(VOID)
|
||||||
|
{
|
||||||
|
_tprintf(_T("\nDisplays and modifies the IP-to-Physical address translation tables used by\n"
|
||||||
|
"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 current ARP entries by interrogating the current\n"
|
||||||
|
" protocol data. If inet_addr is specified, the IP and Physical\n"
|
||||||
|
" addresses for only the specified computer are displayed. If\n"
|
||||||
|
" more than one network interface uses ARP, entries for each ARP\n"
|
||||||
|
" table are displayed.\n"
|
||||||
|
" -g Same as -a.\n"
|
||||||
|
" inet_addr Specifies an internet address.\n"
|
||||||
|
" -N if_addr Displays the ARP entries for the network interface specified\n"
|
||||||
|
" by if_addr.\n"
|
||||||
|
" -d Deletes the host specified by inet_addr. inet_addr may be\n"
|
||||||
|
" wildcarded with * to delete all hosts.\n"
|
||||||
|
" -s Adds the host and associates the Internet address inet_addr\n"
|
||||||
|
" with the Physical address eth_addr. The Physical address is\n"
|
||||||
|
" given as 6 hexadecimal bytes separated by hyphens. The entry\n"
|
||||||
|
" is permanent.\n"
|
||||||
|
" eth_addr Specifies a physical address.\n"
|
||||||
|
" if_addr If present, this specifies the Internet address of the\n"
|
||||||
|
" interface whose address translation table should be modified.\n"
|
||||||
|
" If not present, the first applicable interface will be used.\n"
|
||||||
|
"Example:\n"
|
||||||
|
" > arp -s 157.55.85.212 00-aa-00-62-c6-09 .... Adds a static entry.\n"
|
||||||
|
" > arp -a .... Displays the arp table.\n\n"));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
*
|
||||||
|
* Program entry.
|
||||||
|
* Parse command line and call the required function
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
INT main(int argc, char* argv[])
|
||||||
|
{
|
||||||
|
const char N[] = "-N";
|
||||||
|
|
||||||
|
if ((argc < 2) || (argc > 5))
|
||||||
|
{
|
||||||
|
Usage();
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
if (argv[1][0] == '-') {
|
||||||
|
switch (argv[1][1]) {
|
||||||
|
/* FIX ME */
|
||||||
|
/* need better control for -a, as -N might not be arg 4 */
|
||||||
|
case 'a': if (argc == 2)
|
||||||
|
DisplayArpEntries(NULL, NULL);
|
||||||
|
else if (argc == 3)
|
||||||
|
DisplayArpEntries(argv[2], NULL);
|
||||||
|
else if ((argc == 5) && ((strcmp(argv[3], N)) == 0))
|
||||||
|
DisplayArpEntries(argv[2], argv[4]);
|
||||||
|
else
|
||||||
|
Usage();
|
||||||
|
break;
|
||||||
|
case 'g': break;
|
||||||
|
case 'd': if (argc == 3)
|
||||||
|
Deletehost(argv[2], NULL);
|
||||||
|
else if (argc == 4)
|
||||||
|
Deletehost(argv[2], argv[3]);
|
||||||
|
else
|
||||||
|
Usage();
|
||||||
|
break;
|
||||||
|
case 's': if (argc == 4)
|
||||||
|
Addhost(argv[2], argv[3], NULL);
|
||||||
|
else if (argc == 5)
|
||||||
|
Addhost(argv[2], argv[3], argv[4]);
|
||||||
|
else
|
||||||
|
Usage();
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
Usage();
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
Usage();
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,6 +1,5 @@
|
||||||
/* $Id$ */
|
|
||||||
|
|
||||||
#define REACTOS_STR_FILE_DESCRIPTION "ReactOS TCP/IPv4 Win32 arp\0"
|
#define REACTOS_STR_FILE_DESCRIPTION "ReactOS TCP/IPv4 Win32 arp\0"
|
||||||
#define REACTOS_STR_INTERNAL_NAME "arp\0"
|
#define REACTOS_STR_INTERNAL_NAME "arp\0"
|
||||||
#define REACTOS_STR_ORIGINAL_FILENAME "arp.exe\0"
|
#define REACTOS_STR_ORIGINAL_FILENAME "arp.exe\0"
|
||||||
|
#define REACTOS_STR_ORIGINAL_COPYRIGHT "Ged Murphy (gedmurphy@gmail.com)\0"
|
||||||
#include <reactos/version.rc>
|
#include <reactos/version.rc>
|
||||||
|
|
|
||||||
|
|
@ -2,8 +2,10 @@
|
||||||
<include base="arp">.</include>
|
<include base="arp">.</include>
|
||||||
<define name="__USE_W32API" />
|
<define name="__USE_W32API" />
|
||||||
<library>kernel32</library>
|
<library>kernel32</library>
|
||||||
<library>user32</library>
|
<library>iphlpapi</library>
|
||||||
<library>snmpapi</library>
|
<library>ws2_32</library>
|
||||||
|
<library>shlwapi</library>
|
||||||
<file>arp.c</file>
|
<file>arp.c</file>
|
||||||
<file>arp.rc</file>
|
<file>arp.rc</file>
|
||||||
</module>
|
</module>
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue