VBoxNetAdpCtl.cpp revision e7f5b62e52275099a4d14501306063e23876b771
ece9652d971886b99a269656ea4782319637e75avboxsync/* $Id$ */
ece9652d971886b99a269656ea4782319637e75avboxsync/** @file
ece9652d971886b99a269656ea4782319637e75avboxsync * Apps - VBoxAdpCtl, Configuration tool for vboxnetX adapters.
ece9652d971886b99a269656ea4782319637e75avboxsync */
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync/*
ece9652d971886b99a269656ea4782319637e75avboxsync * Copyright (C) 2009 Sun Microsystems, Inc.
ece9652d971886b99a269656ea4782319637e75avboxsync *
ece9652d971886b99a269656ea4782319637e75avboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
ece9652d971886b99a269656ea4782319637e75avboxsync * available from http://www.virtualbox.org. This file is free software;
ece9652d971886b99a269656ea4782319637e75avboxsync * you can redistribute it and/or modify it under the terms of the GNU
ece9652d971886b99a269656ea4782319637e75avboxsync * General Public License (GPL) as published by the Free Software
ece9652d971886b99a269656ea4782319637e75avboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
ece9652d971886b99a269656ea4782319637e75avboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
ece9652d971886b99a269656ea4782319637e75avboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
ece9652d971886b99a269656ea4782319637e75avboxsync *
ece9652d971886b99a269656ea4782319637e75avboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
ece9652d971886b99a269656ea4782319637e75avboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
ece9652d971886b99a269656ea4782319637e75avboxsync * additional information or have any questions.
ece9652d971886b99a269656ea4782319637e75avboxsync */
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync/*******************************************************************************
ece9652d971886b99a269656ea4782319637e75avboxsync* Header Files *
ece9652d971886b99a269656ea4782319637e75avboxsync*******************************************************************************/
e7f5b62e52275099a4d14501306063e23876b771vboxsync#include <string>
e7f5b62e52275099a4d14501306063e23876b771vboxsync#include <list>
e7f5b62e52275099a4d14501306063e23876b771vboxsync#include <assert.h>
ece9652d971886b99a269656ea4782319637e75avboxsync#include <stdio.h>
ece9652d971886b99a269656ea4782319637e75avboxsync#include <stdlib.h>
ece9652d971886b99a269656ea4782319637e75avboxsync#include <string.h>
ece9652d971886b99a269656ea4782319637e75avboxsync#include <unistd.h>
ece9652d971886b99a269656ea4782319637e75avboxsync#include <sys/wait.h>
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync#define VBOXADPCTL_IFCONFIG_PATH "/sbin/ifconfig"
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsyncstatic void showUsage(void)
ece9652d971886b99a269656ea4782319637e75avboxsync{
e7f5b62e52275099a4d14501306063e23876b771vboxsync fprintf(stderr, "Usage: VBoxNetAdpCtl <adapter> <address> ([netmask <address>] | remove)\n");
ece9652d971886b99a269656ea4782319637e75avboxsync}
ece9652d971886b99a269656ea4782319637e75avboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsyncstatic int executeIfconfig(const char *pcszAdapterName, const char *pcszArg1,
e7f5b62e52275099a4d14501306063e23876b771vboxsync const char *pcszArg2 = NULL,
e7f5b62e52275099a4d14501306063e23876b771vboxsync const char *pcszArg3 = NULL,
e7f5b62e52275099a4d14501306063e23876b771vboxsync const char *pcszArg4 = NULL)
ece9652d971886b99a269656ea4782319637e75avboxsync{
e7f5b62e52275099a4d14501306063e23876b771vboxsync const char * const argv[] =
ece9652d971886b99a269656ea4782319637e75avboxsync {
ece9652d971886b99a269656ea4782319637e75avboxsync VBOXADPCTL_IFCONFIG_PATH,
e7f5b62e52275099a4d14501306063e23876b771vboxsync pcszAdapterName,
e7f5b62e52275099a4d14501306063e23876b771vboxsync pcszArg1, /* [address family] */
e7f5b62e52275099a4d14501306063e23876b771vboxsync pcszArg2, /* address */
e7f5b62e52275099a4d14501306063e23876b771vboxsync pcszArg3, /* ['netmask'] */
e7f5b62e52275099a4d14501306063e23876b771vboxsync pcszArg4, /* [network mask] */
ece9652d971886b99a269656ea4782319637e75avboxsync NULL /* terminator */
ece9652d971886b99a269656ea4782319637e75avboxsync };
ece9652d971886b99a269656ea4782319637e75avboxsync int rc = EXIT_SUCCESS;
ece9652d971886b99a269656ea4782319637e75avboxsync pid_t childPid = fork();
ece9652d971886b99a269656ea4782319637e75avboxsync switch (childPid)
ece9652d971886b99a269656ea4782319637e75avboxsync {
ece9652d971886b99a269656ea4782319637e75avboxsync case -1: /* Something went wrong. */
ece9652d971886b99a269656ea4782319637e75avboxsync perror("fork() failed");
ece9652d971886b99a269656ea4782319637e75avboxsync rc = EXIT_FAILURE;
ece9652d971886b99a269656ea4782319637e75avboxsync break;
ece9652d971886b99a269656ea4782319637e75avboxsync case 0: /* Child process. */
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (execv(VBOXADPCTL_IFCONFIG_PATH, (char * const*)argv) == -1)
e7f5b62e52275099a4d14501306063e23876b771vboxsync rc = EXIT_FAILURE;
ece9652d971886b99a269656ea4782319637e75avboxsync break;
ece9652d971886b99a269656ea4782319637e75avboxsync default: /* Parent process. */
ece9652d971886b99a269656ea4782319637e75avboxsync waitpid(childPid, &rc, 0);
ece9652d971886b99a269656ea4782319637e75avboxsync break;
ece9652d971886b99a269656ea4782319637e75avboxsync }
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync return rc;
ece9652d971886b99a269656ea4782319637e75avboxsync}
ece9652d971886b99a269656ea4782319637e75avboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsyncstatic bool removeAddresses(char *pszAdapterName)
e7f5b62e52275099a4d14501306063e23876b771vboxsync{
e7f5b62e52275099a4d14501306063e23876b771vboxsync static char szCmd[1024], szBuf[1024];
e7f5b62e52275099a4d14501306063e23876b771vboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync snprintf(szCmd, sizeof(szCmd), VBOXADPCTL_IFCONFIG_PATH " %s", pszAdapterName);
e7f5b62e52275099a4d14501306063e23876b771vboxsync FILE *fp = popen(szCmd, "r");
e7f5b62e52275099a4d14501306063e23876b771vboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (!fp)
e7f5b62e52275099a4d14501306063e23876b771vboxsync return false;
e7f5b62e52275099a4d14501306063e23876b771vboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync std::list<std::string> Addresses;
e7f5b62e52275099a4d14501306063e23876b771vboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync while (fgets(szBuf, sizeof(szBuf), fp))
e7f5b62e52275099a4d14501306063e23876b771vboxsync {
e7f5b62e52275099a4d14501306063e23876b771vboxsync int cbSkipWS = strspn(szBuf, " \t");
e7f5b62e52275099a4d14501306063e23876b771vboxsync assert(cbSkipWS < 20);
e7f5b62e52275099a4d14501306063e23876b771vboxsync char *pszWord = strtok(szBuf + cbSkipWS, " ");
e7f5b62e52275099a4d14501306063e23876b771vboxsync /* We are concerned with IPv6 address lines only. */
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (!pszWord || strcmp(pszWord, "inet6"))
e7f5b62e52275099a4d14501306063e23876b771vboxsync continue;
e7f5b62e52275099a4d14501306063e23876b771vboxsync pszWord = strtok(NULL, " ");
e7f5b62e52275099a4d14501306063e23876b771vboxsync /* Skip link-local addresses. */
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (!pszWord || !strncmp(pszWord, "fe80", 4))
e7f5b62e52275099a4d14501306063e23876b771vboxsync continue;
e7f5b62e52275099a4d14501306063e23876b771vboxsync Addresses.push_back(std::string(pszWord));
e7f5b62e52275099a4d14501306063e23876b771vboxsync }
e7f5b62e52275099a4d14501306063e23876b771vboxsync pclose(fp);
e7f5b62e52275099a4d14501306063e23876b771vboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync std::list<std::string>::const_iterator it;
e7f5b62e52275099a4d14501306063e23876b771vboxsync for (it = Addresses.begin(); it != Addresses.end(); it++)
e7f5b62e52275099a4d14501306063e23876b771vboxsync {
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (executeIfconfig(pszAdapterName, "inet6", it->c_str(), "remove") != EXIT_SUCCESS)
e7f5b62e52275099a4d14501306063e23876b771vboxsync return false;
e7f5b62e52275099a4d14501306063e23876b771vboxsync }
e7f5b62e52275099a4d14501306063e23876b771vboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync return true;
e7f5b62e52275099a4d14501306063e23876b771vboxsync}
e7f5b62e52275099a4d14501306063e23876b771vboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync
ece9652d971886b99a269656ea4782319637e75avboxsyncint main(int argc, char *argv[])
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync{
ece9652d971886b99a269656ea4782319637e75avboxsync char *pszAdapterName;
ece9652d971886b99a269656ea4782319637e75avboxsync char *pszAddress;
ece9652d971886b99a269656ea4782319637e75avboxsync char *pszNetworkMask = NULL;
e7f5b62e52275099a4d14501306063e23876b771vboxsync char *pszOption = NULL;
e7f5b62e52275099a4d14501306063e23876b771vboxsync int rc = EXIT_SUCCESS;
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync switch (argc)
ece9652d971886b99a269656ea4782319637e75avboxsync {
ece9652d971886b99a269656ea4782319637e75avboxsync case 5:
ece9652d971886b99a269656ea4782319637e75avboxsync if (strcmp("netmask", argv[3]))
ece9652d971886b99a269656ea4782319637e75avboxsync {
ece9652d971886b99a269656ea4782319637e75avboxsync fprintf(stderr, "Invalid argument: %s\n\n", argv[3]);
ece9652d971886b99a269656ea4782319637e75avboxsync showUsage();
ece9652d971886b99a269656ea4782319637e75avboxsync return 1;
ece9652d971886b99a269656ea4782319637e75avboxsync }
e7f5b62e52275099a4d14501306063e23876b771vboxsync pszOption = "netmask";
ece9652d971886b99a269656ea4782319637e75avboxsync pszNetworkMask = argv[4];
e7f5b62e52275099a4d14501306063e23876b771vboxsync pszAdapterName = argv[1];
e7f5b62e52275099a4d14501306063e23876b771vboxsync pszAddress = argv[2];
e7f5b62e52275099a4d14501306063e23876b771vboxsync break;
e7f5b62e52275099a4d14501306063e23876b771vboxsync case 4:
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (strcmp("remove", argv[3]))
e7f5b62e52275099a4d14501306063e23876b771vboxsync {
e7f5b62e52275099a4d14501306063e23876b771vboxsync fprintf(stderr, "Invalid argument: %s\n\n", argv[3]);
e7f5b62e52275099a4d14501306063e23876b771vboxsync showUsage();
e7f5b62e52275099a4d14501306063e23876b771vboxsync return 1;
e7f5b62e52275099a4d14501306063e23876b771vboxsync }
e7f5b62e52275099a4d14501306063e23876b771vboxsync pszOption = "remove";
e7f5b62e52275099a4d14501306063e23876b771vboxsync pszAdapterName = argv[1];
e7f5b62e52275099a4d14501306063e23876b771vboxsync pszAddress = argv[2];
e7f5b62e52275099a4d14501306063e23876b771vboxsync break;
ece9652d971886b99a269656ea4782319637e75avboxsync case 3:
ece9652d971886b99a269656ea4782319637e75avboxsync pszAdapterName = argv[1];
ece9652d971886b99a269656ea4782319637e75avboxsync pszAddress = argv[2];
ece9652d971886b99a269656ea4782319637e75avboxsync break;
ece9652d971886b99a269656ea4782319637e75avboxsync default:
ece9652d971886b99a269656ea4782319637e75avboxsync fprintf(stderr, "Invalid number of arguments.\n\n");
ece9652d971886b99a269656ea4782319637e75avboxsync /* Fall through */
ece9652d971886b99a269656ea4782319637e75avboxsync case 1:
ece9652d971886b99a269656ea4782319637e75avboxsync showUsage();
ece9652d971886b99a269656ea4782319637e75avboxsync return 1;
ece9652d971886b99a269656ea4782319637e75avboxsync }
ece9652d971886b99a269656ea4782319637e75avboxsync
ece9652d971886b99a269656ea4782319637e75avboxsync if (strcmp("vboxnet0", pszAdapterName))
ece9652d971886b99a269656ea4782319637e75avboxsync {
ece9652d971886b99a269656ea4782319637e75avboxsync fprintf(stderr, "Setting configuration for %s is not supported.\n", pszAdapterName);
ece9652d971886b99a269656ea4782319637e75avboxsync return 2;
ece9652d971886b99a269656ea4782319637e75avboxsync }
ece9652d971886b99a269656ea4782319637e75avboxsync
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (strchr(pszAddress, ':'))
e7f5b62e52275099a4d14501306063e23876b771vboxsync {
e7f5b62e52275099a4d14501306063e23876b771vboxsync /*
e7f5b62e52275099a4d14501306063e23876b771vboxsync * Before we set IPv6 address we'd like to remove
e7f5b62e52275099a4d14501306063e23876b771vboxsync * all previously assigned addresses except the
e7f5b62e52275099a4d14501306063e23876b771vboxsync * self-assigned one.
e7f5b62e52275099a4d14501306063e23876b771vboxsync */
e7f5b62e52275099a4d14501306063e23876b771vboxsync if (pszOption && !strcmp(pszOption, "remove"))
e7f5b62e52275099a4d14501306063e23876b771vboxsync rc = executeIfconfig(pszAdapterName, "inet6", pszAddress, pszOption);
e7f5b62e52275099a4d14501306063e23876b771vboxsync else if (!removeAddresses(pszAdapterName))
e7f5b62e52275099a4d14501306063e23876b771vboxsync rc = EXIT_FAILURE;
e7f5b62e52275099a4d14501306063e23876b771vboxsync else
e7f5b62e52275099a4d14501306063e23876b771vboxsync rc = executeIfconfig(pszAdapterName, "inet6", pszAddress, pszOption, pszNetworkMask);
e7f5b62e52275099a4d14501306063e23876b771vboxsync }
e7f5b62e52275099a4d14501306063e23876b771vboxsync else
e7f5b62e52275099a4d14501306063e23876b771vboxsync rc = executeIfconfig(pszAdapterName, pszAddress, pszOption, pszNetworkMask);
e7f5b62e52275099a4d14501306063e23876b771vboxsync return rc;
ece9652d971886b99a269656ea4782319637e75avboxsync}