VirtualBox

source: vbox/trunk/src/VBox/Main/generic/NetIf-generic.cpp@ 33944

Last change on this file since 33944 was 32718, checked in by vboxsync, 14 years ago

com/string: Remove bool conversion operator and other convenience error operators. They are hiding programming errors (like incorrect empty string checks, and in one case a free of the wrong pointer).
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 9.8 KB
Line 
1/* $Id: NetIf-generic.cpp 32718 2010-09-23 12:57:52Z vboxsync $ */
2/** @file
3 * VirtualBox Main - Generic NetIf implementation.
4 */
5
6/*
7 * Copyright (C) 2009-2010 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#include <VBox/err.h>
19#include <VBox/log.h>
20#include <iprt/process.h>
21#include <iprt/env.h>
22#include <iprt/path.h>
23#include <iprt/param.h>
24
25#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN)
26# include <cstdio>
27#endif
28
29#include "HostNetworkInterfaceImpl.h"
30#include "ProgressImpl.h"
31#include "VirtualBoxImpl.h"
32#include "netif.h"
33
34#define VBOXNETADPCTL_NAME "VBoxNetAdpCtl"
35
36static int NetIfAdpCtl(const char * pcszIfName, const char *pszAddr, const char *pszOption, const char *pszMask)
37{
38 const char *args[] = { NULL, pcszIfName, pszAddr, pszOption, pszMask, NULL };
39
40 char szAdpCtl[RTPATH_MAX];
41 int rc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME));
42 if (RT_FAILURE(rc))
43 {
44 LogRel(("NetIfAdpCtl: failed to get program path, rc=%Rrc.\n", rc));
45 return rc;
46 }
47 strcat(szAdpCtl, "/" VBOXNETADPCTL_NAME);
48 args[0] = szAdpCtl;
49 if (!RTPathExists(szAdpCtl))
50 {
51 LogRel(("NetIfAdpCtl: path %s does not exist. Failed to run " VBOXNETADPCTL_NAME " helper.\n",
52 szAdpCtl));
53 return VERR_FILE_NOT_FOUND;
54 }
55
56 RTPROCESS pid;
57 rc = RTProcCreate(szAdpCtl, args, RTENV_DEFAULT, 0, &pid);
58 if (RT_SUCCESS(rc))
59 {
60 RTPROCSTATUS Status;
61 rc = RTProcWait(pid, 0, &Status);
62 if ( RT_SUCCESS(rc)
63 && Status.iStatus == 0
64 && Status.enmReason == RTPROCEXITREASON_NORMAL)
65 return VINF_SUCCESS;
66 }
67 else
68 LogRel(("NetIfAdpCtl: failed to create process for %.\n",
69 szAdpCtl));
70 return rc;
71}
72
73static int NetIfAdpCtl(HostNetworkInterface * pIf, const char *pszAddr, const char *pszOption, const char *pszMask)
74{
75 Bstr interfaceName;
76 pIf->COMGETTER(Name)(interfaceName.asOutParam());
77 Utf8Str strName(interfaceName);
78 return NetIfAdpCtl(strName.c_str(), pszAddr, pszOption, pszMask);
79}
80
81int NetIfEnableStaticIpConfig(VirtualBox * /* vBox */, HostNetworkInterface * pIf, ULONG aOldIp, ULONG aNewIp, ULONG aMask)
82{
83 const char *pszOption, *pszMask;
84 char szAddress[16]; /* 4*3 + 3*1 + 1 */
85 char szNetMask[16]; /* 4*3 + 3*1 + 1 */
86 uint8_t *pu8Addr = (uint8_t *)&aNewIp;
87 uint8_t *pu8Mask = (uint8_t *)&aMask;
88 if (aNewIp == 0)
89 {
90 pu8Addr = (uint8_t *)&aOldIp;
91 pszOption = "remove";
92 pszMask = NULL;
93 }
94 else
95 {
96 pszOption = "netmask";
97 pszMask = szNetMask;
98 RTStrPrintf(szNetMask, sizeof(szNetMask), "%d.%d.%d.%d",
99 pu8Mask[0], pu8Mask[1], pu8Mask[2], pu8Mask[3]);
100 }
101 RTStrPrintf(szAddress, sizeof(szAddress), "%d.%d.%d.%d",
102 pu8Addr[0], pu8Addr[1], pu8Addr[2], pu8Addr[3]);
103 return NetIfAdpCtl(pIf, szAddress, pszOption, pszMask);
104}
105
106int NetIfEnableStaticIpConfigV6(VirtualBox * /* vBox */, HostNetworkInterface * pIf, IN_BSTR aOldIPV6Address, IN_BSTR aIPV6Address, ULONG aIPV6MaskPrefixLength)
107{
108 char szAddress[5*8 + 1 + 5 + 1];
109 if (Bstr(aIPV6Address).length())
110 {
111 RTStrPrintf(szAddress, sizeof(szAddress), "%ls/%d",
112 aIPV6Address, aIPV6MaskPrefixLength);
113 return NetIfAdpCtl(pIf, szAddress, NULL, NULL);
114 }
115 else
116 {
117 RTStrPrintf(szAddress, sizeof(szAddress), "%ls",
118 aOldIPV6Address);
119 return NetIfAdpCtl(pIf, szAddress, "remove", NULL);
120 }
121}
122
123int NetIfEnableDynamicIpConfig(VirtualBox * /* vBox */, HostNetworkInterface * /* pIf */)
124{
125 return VERR_NOT_IMPLEMENTED;
126}
127
128
129int NetIfCreateHostOnlyNetworkInterface(VirtualBox *pVBox, IHostNetworkInterface **aHostNetworkInterface, IProgress **aProgress)
130{
131#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
132 /* create a progress object */
133 ComObjPtr<Progress> progress;
134 progress.createObject();
135
136 ComPtr<IHost> host;
137 HRESULT hrc = pVBox->COMGETTER(Host)(host.asOutParam());
138 if (SUCCEEDED(hrc))
139 {
140 hrc = progress->init(pVBox, host,
141 Bstr("Creating host only network interface").raw(),
142 FALSE /* aCancelable */);
143 if (SUCCEEDED(hrc))
144 {
145 progress.queryInterfaceTo(aProgress);
146
147 char szAdpCtl[RTPATH_MAX];
148 int rc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " add"));
149 if (RT_FAILURE(rc))
150 {
151 progress->notifyComplete(E_FAIL,
152 COM_IIDOF(IHostNetworkInterface),
153 HostNetworkInterface::getStaticComponentName(),
154 "Failed to get program path, rc=%Rrc\n", rc);
155 return rc;
156 }
157 strcat(szAdpCtl, "/" VBOXNETADPCTL_NAME " add");
158 FILE *fp = popen(szAdpCtl, "r");
159
160 if (fp)
161 {
162 char szBuf[VBOXNET_MAX_SHORT_NAME];
163 if (fgets(szBuf, sizeof(szBuf), fp))
164 {
165 char *pLast = szBuf + strlen(szBuf) - 1;
166 if (pLast >= szBuf && *pLast == '\n')
167 *pLast = 0;
168
169 size_t cbNameLen = strlen(szBuf) + 1;
170 PNETIFINFO pInfo = (PNETIFINFO)RTMemAllocZ(RT_OFFSETOF(NETIFINFO, szName[cbNameLen]));
171 if (!pInfo)
172 rc = VERR_NO_MEMORY;
173 else
174 {
175 strcpy(pInfo->szShortName, szBuf);
176 strcpy(pInfo->szName, szBuf);
177 rc = NetIfGetConfigByName(pInfo);
178 if (RT_FAILURE(rc))
179 {
180 progress->notifyComplete(E_FAIL,
181 COM_IIDOF(IHostNetworkInterface),
182 HostNetworkInterface::getStaticComponentName(),
183 "Failed to get config info for %s (as reported by '" VBOXNETADPCTL_NAME " add')\n", szBuf);
184 }
185 else
186 {
187 Bstr IfName(szBuf);
188 /* create a new uninitialized host interface object */
189 ComObjPtr<HostNetworkInterface> iface;
190 iface.createObject();
191 iface->init(IfName, HostNetworkInterfaceType_HostOnly, pInfo);
192 iface->setVirtualBox(pVBox);
193 iface.queryInterfaceTo(aHostNetworkInterface);
194 }
195 RTMemFree(pInfo);
196 }
197 }
198 if ((rc = pclose(fp)) != 0)
199 {
200 progress->notifyComplete(E_FAIL,
201 COM_IIDOF(IHostNetworkInterface),
202 HostNetworkInterface::getStaticComponentName(),
203 "Failed to execute '"VBOXNETADPCTL_NAME " add' (exit status: %d)", rc);
204 rc = VERR_INTERNAL_ERROR;
205 }
206 }
207 if (RT_SUCCESS(rc))
208 progress->notifyComplete(rc);
209 }
210 }
211
212 return hrc;
213
214#else
215 NOREF(pVBox);
216 NOREF(aHostNetworkInterface);
217 NOREF(aProgress);
218 return VERR_NOT_IMPLEMENTED;
219#endif
220}
221
222int NetIfRemoveHostOnlyNetworkInterface(VirtualBox *pVBox, IN_GUID aId,
223 IProgress **aProgress)
224{
225#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
226 /* create a progress object */
227 ComObjPtr<Progress> progress;
228 progress.createObject();
229 ComPtr<IHost> host;
230 int rc = VINF_SUCCESS;
231 HRESULT hr = pVBox->COMGETTER(Host)(host.asOutParam());
232 if(SUCCEEDED(hr))
233 {
234 Bstr ifname;
235 ComPtr<IHostNetworkInterface> iface;
236 if (FAILED(host->FindHostNetworkInterfaceById(Guid(aId).toUtf16().raw(), iface.asOutParam())))
237 return VERR_INVALID_PARAMETER;
238 iface->COMGETTER(Name)(ifname.asOutParam());
239 if (ifname.isEmpty())
240 return VERR_INTERNAL_ERROR;
241
242 rc = progress->init(pVBox, host,
243 Bstr("Removing host network interface").raw(),
244 FALSE /* aCancelable */);
245 if(SUCCEEDED(rc))
246 {
247 progress.queryInterfaceTo(aProgress);
248 rc = NetIfAdpCtl(Utf8Str(ifname).c_str(), "remove", NULL, NULL);
249 if (RT_FAILURE(rc))
250 progress->notifyComplete(E_FAIL,
251 COM_IIDOF(IHostNetworkInterface),
252 HostNetworkInterface::getStaticComponentName(),
253 "Failed to execute '"VBOXNETADPCTL_NAME "' (exit status: %d)", rc);
254 else
255 progress->notifyComplete(S_OK);
256 }
257 }
258 else
259 {
260 progress->notifyComplete(hr);
261 rc = VERR_INTERNAL_ERROR;
262 }
263 return rc;
264#else
265 NOREF(pVBox);
266 NOREF(aId);
267 NOREF(aProgress);
268 return VERR_NOT_IMPLEMENTED;
269#endif
270}
271
272int NetIfGetConfig(HostNetworkInterface * /* pIf */, NETIFINFO *)
273{
274 return VERR_NOT_IMPLEMENTED;
275}
276
277int NetIfDhcpRediscover(VirtualBox * /* pVbox */, HostNetworkInterface * /* pIf */)
278{
279 return VERR_NOT_IMPLEMENTED;
280}
281
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