1 | /* $Id: NetIf-generic.cpp 25088 2009-11-30 09:01:38Z vboxsync $ */
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2 | /** @file
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3 | * VirtualBox Main - Generic NetIf implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2009 Sun Microsystems, Inc.
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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19 | * additional information or have any questions.
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20 | */
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21 |
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22 | #include <VBox/err.h>
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23 | #include <VBox/log.h>
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24 | #include <iprt/process.h>
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25 | #include <iprt/env.h>
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26 | #include <iprt/path.h>
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27 | #include <iprt/param.h>
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28 |
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29 | #if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN)
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30 | # include <cstdio>
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31 | #endif
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32 |
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33 | #include "HostNetworkInterfaceImpl.h"
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34 | #include "ProgressImpl.h"
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35 | #include "VirtualBoxImpl.h"
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36 | #include "netif.h"
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37 |
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38 | #define VBOXNETADPCTL_NAME "VBoxNetAdpCtl"
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39 |
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40 | static int NetIfAdpCtl(const char * pcszIfName, const char *pszAddr, const char *pszOption, const char *pszMask)
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41 | {
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42 | const char *args[] = { NULL, pcszIfName, pszAddr, pszOption, pszMask, NULL };
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43 |
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44 | char szAdpCtl[RTPATH_MAX];
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45 | int rc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME));
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46 | if (RT_FAILURE(rc))
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47 | {
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48 | LogRel(("NetIfAdpCtl: failed to get program path, rc=%Vrc.\n", rc));
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49 | return rc;
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50 | }
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51 | strcat(szAdpCtl, "/" VBOXNETADPCTL_NAME);
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52 | args[0] = szAdpCtl;
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53 | if (!RTPathExists(szAdpCtl))
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54 | {
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55 | LogRel(("NetIfAdpCtl: path %s does not exist. Failed to run " VBOXNETADPCTL_NAME " helper.\n",
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56 | szAdpCtl));
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57 | return VERR_FILE_NOT_FOUND;
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58 | }
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59 |
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60 | RTPROCESS pid;
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61 | rc = RTProcCreate(szAdpCtl, args, RTENV_DEFAULT, 0, &pid);
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62 | if (RT_SUCCESS(rc))
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63 | {
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64 | RTPROCSTATUS Status;
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65 | rc = RTProcWait(pid, 0, &Status);
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66 | if ( RT_SUCCESS(rc)
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67 | && Status.iStatus == 0
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68 | && Status.enmReason == RTPROCEXITREASON_NORMAL)
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69 | return VINF_SUCCESS;
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70 | }
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71 | else
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72 | LogRel(("NetIfAdpCtl: failed to create process for %.\n",
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73 | szAdpCtl));
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74 | return rc;
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75 | }
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76 |
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77 | static int NetIfAdpCtl(HostNetworkInterface * pIf, const char *pszAddr, const char *pszOption, const char *pszMask)
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78 | {
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79 | Bstr interfaceName;
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80 | pIf->COMGETTER(Name)(interfaceName.asOutParam());
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81 | Utf8Str strName(interfaceName);
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82 | return NetIfAdpCtl(strName.c_str(), pszAddr, pszOption, pszMask);
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83 | }
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84 |
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85 | int NetIfEnableStaticIpConfig(VirtualBox * /* vBox */, HostNetworkInterface * pIf, ULONG aOldIp, ULONG aNewIp, ULONG aMask)
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86 | {
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87 | const char *pszOption, *pszMask;
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88 | char szAddress[16]; /* 4*3 + 3*1 + 1 */
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89 | char szNetMask[16]; /* 4*3 + 3*1 + 1 */
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90 | uint8_t *pu8Addr = (uint8_t *)&aNewIp;
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91 | uint8_t *pu8Mask = (uint8_t *)&aMask;
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92 | if (aNewIp == 0)
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93 | {
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94 | pu8Addr = (uint8_t *)&aOldIp;
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95 | pszOption = "remove";
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96 | pszMask = NULL;
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97 | }
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98 | else
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99 | {
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100 | pszOption = "netmask";
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101 | pszMask = szNetMask;
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102 | RTStrPrintf(szNetMask, sizeof(szNetMask), "%d.%d.%d.%d",
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103 | pu8Mask[0], pu8Mask[1], pu8Mask[2], pu8Mask[3]);
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104 | }
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105 | RTStrPrintf(szAddress, sizeof(szAddress), "%d.%d.%d.%d",
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106 | pu8Addr[0], pu8Addr[1], pu8Addr[2], pu8Addr[3]);
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107 | return NetIfAdpCtl(pIf, szAddress, pszOption, pszMask);
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108 | }
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109 |
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110 | int NetIfEnableStaticIpConfigV6(VirtualBox * /* vBox */, HostNetworkInterface * pIf, IN_BSTR aOldIPV6Address, IN_BSTR aIPV6Address, ULONG aIPV6MaskPrefixLength)
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111 | {
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112 | char szAddress[5*8 + 1 + 5 + 1];
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113 | if (Bstr(aIPV6Address).length())
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114 | {
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115 | RTStrPrintf(szAddress, sizeof(szAddress), "%ls/%d",
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116 | aIPV6Address, aIPV6MaskPrefixLength);
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117 | return NetIfAdpCtl(pIf, szAddress, NULL, NULL);
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118 | }
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119 | else
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120 | {
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121 | RTStrPrintf(szAddress, sizeof(szAddress), "%ls",
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122 | aOldIPV6Address);
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123 | return NetIfAdpCtl(pIf, szAddress, "remove", NULL);
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124 | }
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125 | }
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126 |
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127 | int NetIfEnableDynamicIpConfig(VirtualBox * /* vBox */, HostNetworkInterface * /* pIf */)
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128 | {
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129 | return VERR_NOT_IMPLEMENTED;
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130 | }
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131 |
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132 |
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133 | int NetIfCreateHostOnlyNetworkInterface (VirtualBox *pVBox, IHostNetworkInterface **aHostNetworkInterface, IProgress **aProgress)
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134 | {
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135 | #if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
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136 | /* create a progress object */
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137 | ComObjPtr<Progress> progress;
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138 | progress.createObject();
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139 |
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140 | ComPtr<IHost> host;
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141 | HRESULT hrc = pVBox->COMGETTER(Host)(host.asOutParam());
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142 | if (SUCCEEDED(hrc))
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143 | {
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144 | hrc = progress->init(pVBox, host,
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145 | Bstr ("Creating host only network interface"),
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146 | FALSE /* aCancelable */);
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147 | if (SUCCEEDED(hrc))
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148 | {
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149 | progress.queryInterfaceTo(aProgress);
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150 |
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151 | char szAdpCtl[RTPATH_MAX];
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152 | int rc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " add"));
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153 | if (RT_FAILURE(rc))
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154 | {
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155 | progress->notifyComplete(E_FAIL, COM_IIDOF(IHostNetworkInterface), HostNetworkInterface::getComponentName(),
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156 | "Failed to get program path, rc=%Vrc\n", rc);
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157 | return rc;
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158 | }
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159 | strcat(szAdpCtl, "/" VBOXNETADPCTL_NAME " add");
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160 | FILE *fp = popen(szAdpCtl, "r");
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161 |
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162 | if (fp)
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163 | {
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164 | char szBuf[VBOXNET_MAX_SHORT_NAME];
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165 | if (fgets(szBuf, sizeof(szBuf), fp))
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166 | {
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167 | char *pLast = szBuf + strlen(szBuf) - 1;
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168 | if (pLast >= szBuf && *pLast == '\n')
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169 | *pLast = 0;
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170 |
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171 | size_t cbNameLen = strlen(szBuf) + 1;
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172 | PNETIFINFO pInfo = (PNETIFINFO)RTMemAllocZ(RT_OFFSETOF(NETIFINFO, szName[cbNameLen]));
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173 | if (!pInfo)
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174 | rc = VERR_NO_MEMORY;
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175 | else
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176 | {
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177 | strcpy(pInfo->szShortName, szBuf);
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178 | strcpy(pInfo->szName, szBuf);
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179 | rc = NetIfGetConfigByName(pInfo);
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180 | if (RT_FAILURE(rc))
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181 | {
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182 | progress->notifyComplete(E_FAIL, COM_IIDOF(IHostNetworkInterface), HostNetworkInterface::getComponentName(),
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183 | "Failed to get config info for %s (as reported by '" VBOXNETADPCTL_NAME " add')\n", szBuf);
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184 | }
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185 | else
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186 | {
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187 | Bstr IfName(szBuf);
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188 | /* create a new uninitialized host interface object */
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189 | ComObjPtr<HostNetworkInterface> iface;
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190 | iface.createObject();
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191 | iface->init(IfName, HostNetworkInterfaceType_HostOnly, pInfo);
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192 | iface->setVirtualBox(pVBox);
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193 | iface.queryInterfaceTo(aHostNetworkInterface);
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194 | }
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195 | RTMemFree(pInfo);
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196 | }
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197 | }
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198 | if ((rc = pclose(fp)) != 0)
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199 | {
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200 | progress->notifyComplete(E_FAIL, COM_IIDOF(IHostNetworkInterface), HostNetworkInterface::getComponentName(), "Failed to execute '"VBOXNETADPCTL_NAME " add' (exit status: %d)", rc);
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201 | rc = VERR_INTERNAL_ERROR;
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202 | }
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203 | }
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204 | if (RT_SUCCESS(rc))
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205 | progress->notifyComplete(rc);
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206 | }
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207 | }
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208 |
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209 | return hrc;
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210 |
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211 | #else
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212 | NOREF(pVBox);
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213 | NOREF(aHostNetworkInterface);
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214 | NOREF(aProgress);
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215 | return VERR_NOT_IMPLEMENTED;
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216 | #endif
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217 | }
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218 |
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219 | int NetIfRemoveHostOnlyNetworkInterface (VirtualBox *pVBox, IN_GUID aId,
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220 | IProgress **aProgress)
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221 | {
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222 | #if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
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223 | /* create a progress object */
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224 | ComObjPtr<Progress> progress;
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225 | progress.createObject();
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226 | ComPtr<IHost> host;
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227 | int rc = VINF_SUCCESS;
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228 | HRESULT hr = pVBox->COMGETTER(Host)(host.asOutParam());
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229 | if(SUCCEEDED(hr))
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230 | {
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231 | Bstr ifname;
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232 | ComPtr<IHostNetworkInterface> iface;
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233 | if (FAILED (host->FindHostNetworkInterfaceById (Guid(aId).toUtf16(), iface.asOutParam())))
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234 | return VERR_INVALID_PARAMETER;
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235 | iface->COMGETTER (Name) (ifname.asOutParam());
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236 | if (ifname.isNull())
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237 | return VERR_INTERNAL_ERROR;
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238 |
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239 | rc = progress->init (pVBox, host,
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240 | Bstr ("Removing host network interface"),
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241 | FALSE /* aCancelable */);
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242 | if(SUCCEEDED(rc))
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243 | {
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244 | CheckComRCReturnRC(rc);
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245 | progress.queryInterfaceTo(aProgress);
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246 | rc = NetIfAdpCtl(Utf8Str(ifname).c_str(), "remove", NULL, NULL);
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247 | if (RT_FAILURE(rc))
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248 | progress->notifyComplete(E_FAIL, COM_IIDOF(IHostNetworkInterface), HostNetworkInterface::getComponentName(), "Failed to execute '"VBOXNETADPCTL_NAME "' (exit status: %d)", rc);
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249 | else
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250 | progress->notifyComplete(S_OK);
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251 | }
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252 | }
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253 | else
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254 | {
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255 | progress->notifyComplete(hr);
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256 | rc = VERR_INTERNAL_ERROR;
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257 | }
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258 | return rc;
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259 | #else
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260 | NOREF(pVBox);
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261 | NOREF(aId);
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262 | NOREF(aProgress);
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263 | return VERR_NOT_IMPLEMENTED;
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264 | #endif
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265 | }
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266 |
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267 | int NetIfGetConfig(HostNetworkInterface * /* pIf */, NETIFINFO *)
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268 | {
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269 | return VERR_NOT_IMPLEMENTED;
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270 | }
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271 |
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272 | int NetIfDhcpRediscover(VirtualBox * /* pVbox */, HostNetworkInterface * /* pIf */)
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273 | {
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274 | return VERR_NOT_IMPLEMENTED;
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275 | }
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276 |
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