VBoxManageNATNetwork.cpp@ 78412

Last change on this file since 78412 was 76553, checked in by vboxsync, 6 years ago
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1	/* $Id: VBoxManageNATNetwork.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2	/** @file
3	* VBoxManage - Implementation of NAT Network command command.
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 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
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#ifndef VBOX_ONLY_DOCS
23
24	#include <VBox/com/com.h>
25	#include <VBox/com/array.h>
26	#include <VBox/com/ErrorInfo.h>
27	#include <VBox/com/errorprint.h>
28	#include <VBox/com/VirtualBox.h>
29	#endif /* !VBOX_ONLY_DOCS */
30
31	#ifndef RT_OS_WINDOWS
32	# include <netinet/in.h>
33	#else
34	/* from <ws2ipdef.h> */
35	# define INET6_ADDRSTRLEN 65
36	#endif
37
38	#define IPv6
39
40	#include <iprt/cdefs.h>
41	#include <iprt/cidr.h>
42	#include <iprt/param.h>
43	#include <iprt/path.h>
44	#include <iprt/stream.h>
45	#include <iprt/string.h>
46	#include <iprt/net.h>
47	#include <iprt/getopt.h>
48	#include <iprt/ctype.h>
49
50	#include <VBox/log.h>
51
52	#include <vector>
53	#include <string>
54
55	#include "VBoxManage.h"
56	#include "VBoxPortForwardString.h"
57
58	#ifndef VBOX_ONLY_DOCS
59
60	using namespace com;
61
62	typedef enum
63	{
64	OP_ADD = 1000,
65	OP_REMOVE,
66	OP_MODIFY,
67	OP_START,
68	OP_STOP
69	} OPCODE;
70
71	typedef struct PFNAME2DELETE
72	{
73	char szName[PF_NAMELEN];
74	bool fIPv6;
75	} PFNAME2DELETE, *PPFNAME2DELETE;
76
77	typedef std::vector<PFNAME2DELETE> VPF2DELETE;
78	typedef VPF2DELETE::const_iterator VPF2DELETEITERATOR;
79
80	typedef std::vector<PORTFORWARDRULE> VPF2ADD;
81	typedef VPF2ADD::const_iterator VPF2ADDITERATOR;
82
83	typedef std::vector<std::string> LOOPBACK2DELETEADD;
84	typedef LOOPBACK2DELETEADD::iterator LOOPBACK2DELETEADDITERATOR;
85
86	static HRESULT printNATNetwork(const ComPtr<INATNetwork> &pNATNet)
87	{
88	HRESULT rc;
89
90	do
91	{
92	Bstr strVal;
93	CHECK_ERROR_BREAK(pNATNet, COMGETTER(NetworkName)(strVal.asOutParam()));
94	RTPrintf("Name: %ls\n", strVal.raw());
95	CHECK_ERROR_BREAK(pNATNet, COMGETTER(Network)(strVal.asOutParam()));
96	RTPrintf("Network: %ls\n", strVal.raw());
97	CHECK_ERROR_BREAK(pNATNet, COMGETTER(Gateway)(strVal.asOutParam()));
98	RTPrintf("Gateway: %ls\n", strVal.raw());
99	BOOL fVal;
100	CHECK_ERROR_BREAK(pNATNet, COMGETTER(IPv6Enabled)(&fVal));
101	RTPrintf("IPv6: %s\n", fVal ? "Yes" : "No");
102	if (fVal)
103	{
104	CHECK_ERROR_BREAK(pNATNet, COMGETTER(IPv6Prefix)(strVal.asOutParam()));
105	RTPrintf("IPv6 Prefix: %s\n", strVal.raw());
106	}
107	CHECK_ERROR_BREAK(pNATNet, COMGETTER(Enabled)(&fVal));
108	RTPrintf("Enabled: %s\n", fVal ? "Yes" : "No");
109	/** @todo Add more information here. */
110	RTPrintf("\n");
111
112	} while (0);
113
114	return rc;
115	}
116
117	static RTEXITCODE handleNATList(HandlerArg *a)
118	{
119	HRESULT rc;
120
121	RTPrintf("NAT Networks:\n\n");
122
123	const char *pszFilter = NULL;
124	if (a->argc > 1)
125	pszFilter = a->argv[1];
126
127	size_t cFound = 0;
128
129	com::SafeIfaceArray<INATNetwork> arrNetNets;
130	CHECK_ERROR(a->virtualBox, COMGETTER(NATNetworks)(ComSafeArrayAsOutParam(arrNetNets)));
131	for (size_t i = 0; i < arrNetNets.size(); ++i)
132	{
133	ComPtr<INATNetwork> pNATNet = arrNetNets[i];
134
135	if (pszFilter)
136	{
137	Bstr strVal;
138	CHECK_ERROR_BREAK(pNATNet, COMGETTER(NetworkName)(strVal.asOutParam()));
139
140	Utf8Str strValUTF8 = Utf8Str(strVal);
141	if (!RTStrSimplePatternMatch(pszFilter, strValUTF8.c_str()))
142	continue;
143	}
144
145	if (i > 0)
146	RTPrintf("\n");
147	rc = printNATNetwork(pNATNet);
148	if (FAILED(rc))
149	break;
150
151	cFound++;
152	}
153
154	if (SUCCEEDED(rc))
155	RTPrintf("%zu %s found\n", cFound, cFound == 1 ? "network" : "networks");
156
157	return SUCCEEDED(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
158	}
159
160	static RTEXITCODE handleOp(HandlerArg *a, OPCODE enmCode)
161	{
162	if (a->argc - 1 <= 1)
163	return errorSyntax(USAGE_NATNETWORK, "Not enough parameters");
164
165	const char *pNetName = NULL;
166	const char *pNetworkCidr = NULL;
167	int enable = -1;
168	int dhcp = -1;
169	int ipv6 = -1;
170
171	VPF2DELETE vPfName2Delete;
172	VPF2ADD vPf2Add;
173
174	LOOPBACK2DELETEADD vLoopback2Delete;
175	LOOPBACK2DELETEADD vLoopback2Add;
176
177	LONG loopback6Offset = 0; /* ignore me */
178
179	static const RTGETOPTDEF g_aNATNetworkIPOptions[] =
180	{
181	{ "--netname", 't', RTGETOPT_REQ_STRING },
182	{ "--network", 'n', RTGETOPT_REQ_STRING },
183	{ "--dhcp", 'h', RTGETOPT_REQ_BOOL },
184	{ "--ipv6", '6', RTGETOPT_REQ_BOOL },
185	{ "--enable", 'e', RTGETOPT_REQ_NOTHING },
186	{ "--disable", 'd', RTGETOPT_REQ_NOTHING },
187	{ "--port-forward-4", 'p', RTGETOPT_REQ_STRING },
188	{ "--port-forward-6", 'P', RTGETOPT_REQ_STRING },
189	{ "--loopback-4", 'l', RTGETOPT_REQ_STRING },
190	{ "--loopback-6", 'L', RTGETOPT_REQ_STRING },
191	};
192
193	int c;
194	RTGETOPTUNION ValueUnion;
195	RTGETOPTSTATE GetState;
196	RTGetOptInit(&GetState, a->argc, a->argv, g_aNATNetworkIPOptions,
197	enmCode != OP_REMOVE ? RT_ELEMENTS(g_aNATNetworkIPOptions) : 4, /* we use only --netname and --ifname for remove*/
198	1, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
199	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
200	{
201	switch (c)
202	{
203	case 't': // --netname
204	if (pNetName)
205	return errorSyntax(USAGE_NATNETWORK, "You can only specify --netname only once.");
206	pNetName = ValueUnion.psz;
207	break;
208
209	case 'n': // --network
210	if (pNetworkCidr)
211	return errorSyntax(USAGE_NATNETWORK, "You can only specify --network only once.");
212	pNetworkCidr = ValueUnion.psz;
213	break;
214
215	case 'e': // --enable
216	if (enable >= 0)
217	return errorSyntax(USAGE_NATNETWORK, "You can specify either --enable or --disable once.");
218	enable = 1;
219	break;
220
221	case 'd': // --disable
222	if (enable >= 0)
223	return errorSyntax(USAGE_NATNETWORK, "You can specify either --enable or --disable once.");
224	enable = 0;
225	break;
226
227	case 'h':
228	if (dhcp != -1)
229	return errorSyntax(USAGE_NATNETWORK, "You can specify --dhcp only once.");
230	dhcp = ValueUnion.f;
231	break;
232
233	case '6':
234	if (ipv6 != -1)
235	return errorSyntax(USAGE_NATNETWORK, "You can specify --ipv6 only once.");
236	ipv6 = ValueUnion.f;
237	break;
238
239	case 'L': /* ipv6 loopback */
240	case 'l': /* ipv4 loopback */
241	if (RTStrCmp(ValueUnion.psz, "delete") == 0)
242	{
243	/* deletion */
244	if (enmCode != OP_MODIFY)
245	errorSyntax(USAGE_NATNETWORK,
246	"loopback couldn't be deleted on modified\n");
247	if (c == 'L')
248	loopback6Offset = -1;
249	else
250	{
251	int vrc;
252	RTGETOPTUNION Addr2Delete;
253	vrc = RTGetOptFetchValue(&GetState,
254	&Addr2Delete,
255	RTGETOPT_REQ_STRING);
256	if (RT_FAILURE(vrc))
257	return errorSyntax(USAGE_NATNETWORK,
258	"Not enough parmaters\n");
259
260	vLoopback2Delete.push_back(std::string(Addr2Delete.psz));
261	}
262	}
263	else
264	{
265	/* addition */
266	if (c == 'L')
267	loopback6Offset = ValueUnion.u32;
268	else
269	vLoopback2Add.push_back(std::string(ValueUnion.psz));
270	}
271	break;
272
273	case 'P': /* ipv6 portforwarding*/
274	case 'p': /* ipv4 portforwarding */
275	{
276	if (RTStrCmp(ValueUnion.psz, "delete") != 0)
277	{
278	/* addition */
279	/* netPfStrToPf will clean up the Pfr */
280	PORTFORWARDRULE Pfr;
281	int irc = netPfStrToPf(ValueUnion.psz, (c == 'P'), &Pfr);
282	if (RT_FAILURE(irc))
283	return errorSyntax(USAGE_NATNETWORK, "Invalid port-forward rule %s\n", ValueUnion.psz);
284
285	vPf2Add.push_back(Pfr);
286	}
287	else
288	{
289	/* deletion */
290	if (enmCode != OP_MODIFY)
291	return errorSyntax(USAGE_NATNETWORK,
292	"Port-forward could be deleted on modify \n");
293
294	RTGETOPTUNION NamePf2DeleteUnion;
295	int vrc = RTGetOptFetchValue(&GetState, &NamePf2DeleteUnion, RTGETOPT_REQ_STRING);
296	if (RT_FAILURE(vrc))
297	return errorSyntax(USAGE_NATNETWORK, "Not enough parmaters\n");
298
299	if (strlen(NamePf2DeleteUnion.psz) > PF_NAMELEN)
300	return errorSyntax(USAGE_NATNETWORK, "Port-forward rule name is too long\n");
301
302	PFNAME2DELETE Name2Delete;
303	RT_ZERO(Name2Delete);
304	RTStrCopy(Name2Delete.szName, PF_NAMELEN, NamePf2DeleteUnion.psz);
305	Name2Delete.fIPv6 = (c == 'P');
306	vPfName2Delete.push_back(Name2Delete);
307	}
308	break;
309	}
310
311	default:
312	return errorGetOpt(USAGE_NATNETWORK, c, &ValueUnion);
313	}
314	}
315
316	if (!pNetName)
317	return errorSyntax(USAGE_NATNETWORK, "You need to specify the --netname option");
318	/* verification */
319	switch (enmCode)
320	{
321	case OP_ADD:
322	if (!pNetworkCidr)
323	return errorSyntax(USAGE_NATNETWORK, "You need to specify the --network option");
324	break;
325	case OP_MODIFY:
326	case OP_REMOVE:
327	case OP_START:
328	case OP_STOP:
329	break;
330	default:
331	AssertMsgFailedReturn(("Unknown operation (:%d)", enmCode), RTEXITCODE_FAILURE);
332	}
333
334	HRESULT rc;
335	Bstr NetName;
336	NetName = Bstr(pNetName);
337
338	ComPtr<INATNetwork> net;
339	rc = a->virtualBox->FindNATNetworkByName(NetName.mutableRaw(), net.asOutParam());
340	if (enmCode == OP_ADD)
341	{
342	if (SUCCEEDED(rc))
343	return errorArgument("NATNetwork server already exists");
344
345	CHECK_ERROR(a->virtualBox, CreateNATNetwork(NetName.raw(), net.asOutParam()));
346	if (FAILED(rc))
347	return errorArgument("Failed to create the NAT network service");
348	}
349	else if (FAILED(rc))
350	return errorArgument("NATNetwork server does not exist");
351
352	switch (enmCode)
353	{
354	case OP_ADD:
355	case OP_MODIFY:
356	{
357	if (pNetworkCidr)
358	{
359	CHECK_ERROR(net, COMSETTER(Network)(Bstr(pNetworkCidr).raw()));
360	if (FAILED(rc))
361	return errorArgument("Failed to set configuration");
362	}
363	if (dhcp >= 0)
364	{
365	CHECK_ERROR(net, COMSETTER(NeedDhcpServer) ((BOOL)dhcp));
366	if (FAILED(rc))
367	return errorArgument("Failed to set configuration");
368	}
369
370	if (ipv6 >= 0)
371	{
372	CHECK_ERROR(net, COMSETTER(IPv6Enabled) ((BOOL)ipv6));
373	if (FAILED(rc))
374	return errorArgument("Failed to set configuration");
375	}
376
377	if (!vPfName2Delete.empty())
378	{
379	VPF2DELETEITERATOR it;
380	for (it = vPfName2Delete.begin(); it != vPfName2Delete.end(); ++it)
381	{
382	CHECK_ERROR(net, RemovePortForwardRule((BOOL)(*it).fIPv6,
383	Bstr((*it).szName).raw()));
384	if (FAILED(rc))
385	return errorArgument("Failed to delete pf");
386	}
387	}
388
389	if (!vPf2Add.empty())
390	{
391	VPF2ADDITERATOR it;
392	for (it = vPf2Add.begin(); it != vPf2Add.end(); ++it)
393	{
394	NATProtocol_T proto = NATProtocol_TCP;
395	if ((*it).iPfrProto == IPPROTO_TCP)
396	proto = NATProtocol_TCP;
397	else if ((*it).iPfrProto == IPPROTO_UDP)
398	proto = NATProtocol_UDP;
399	else
400	continue; /* XXX: warning here. */
401
402	CHECK_ERROR(net, AddPortForwardRule((BOOL)(*it).fPfrIPv6,
403	Bstr((*it).szPfrName).raw(),
404	proto,
405	Bstr((*it).szPfrHostAddr).raw(),
406	(*it).u16PfrHostPort,
407	Bstr((*it).szPfrGuestAddr).raw(),
408	(*it).u16PfrGuestPort));
409	if (FAILED(rc))
410	return errorArgument("Failed to add pf");
411	}
412	}
413
414	if (loopback6Offset)
415	{
416	if (loopback6Offset == -1)
417	loopback6Offset = 0; /* deletion */
418
419	CHECK_ERROR_RET(net, COMSETTER(LoopbackIp6)(loopback6Offset), RTEXITCODE_FAILURE);
420	}
421
422	/* addLocalMapping (hostid, offset) */
423	if (!vLoopback2Add.empty())
424	{
425	/* we're expecting stings 127.0.0.1=5 */
426	LOOPBACK2DELETEADDITERATOR it;
427	for (it = vLoopback2Add.begin();
428	it != vLoopback2Add.end();
429	++it)
430	{
431	std::string address, strOffset;
432	size_t pos = it->find('=');
433	LONG lOffset = 0;
434	Bstr bstrAddress;
435
436	AssertReturn(pos != std::string::npos, errorArgument("invalid loopback string"));
437
438	address = it->substr(0, pos);
439	strOffset = it->substr(pos + 1);
440
441	lOffset = RTStrToUInt32(strOffset.c_str());
442	AssertReturn(lOffset > 0, errorArgument("invalid loopback string"));
443
444	bstrAddress = Bstr(address.c_str());
445
446	CHECK_ERROR_RET(net, AddLocalMapping(bstrAddress.raw(), lOffset), RTEXITCODE_FAILURE);
447	}
448	}
449
450	if (!vLoopback2Delete.empty())
451	{
452	/* we're expecting stings 127.0.0.1 */
453	LOOPBACK2DELETEADDITERATOR it;
454	for (it = vLoopback2Add.begin();
455	it != vLoopback2Add.end();
456	++it)
457	{
458	Bstr bstrAddress;
459	bstrAddress = Bstr(it->c_str());
460
461	CHECK_ERROR_RET(net, AddLocalMapping(bstrAddress.raw(), 0), RTEXITCODE_FAILURE);
462	}
463	}
464
465	if (enable >= 0)
466	{
467	CHECK_ERROR(net, COMSETTER(Enabled) ((BOOL)enable));
468	if (FAILED(rc))
469	return errorArgument("Failed to set configuration");
470	}
471	break;
472	}
473	case OP_REMOVE:
474	{
475	CHECK_ERROR(a->virtualBox, RemoveNATNetwork(net));
476	if (FAILED(rc))
477	return errorArgument("Failed to remove nat network");
478	break;
479	}
480	case OP_START:
481	{
482	CHECK_ERROR(net, Start(Bstr("whatever").raw()));
483	if (FAILED(rc))
484	return errorArgument("Failed to start network");
485	break;
486	}
487	case OP_STOP:
488	{
489	CHECK_ERROR(net, Stop());
490	if (FAILED(rc))
491	return errorArgument("Failed to start network");
492	break;
493	}
494	default:;
495	}
496	return RTEXITCODE_SUCCESS;
497	}
498
499
500	RTEXITCODE handleNATNetwork(HandlerArg *a)
501	{
502	if (a->argc < 1)
503	return errorSyntax(USAGE_NATNETWORK, "Not enough parameters");
504
505	RTEXITCODE rcExit;
506	if (strcmp(a->argv[0], "modify") == 0)
507	rcExit = handleOp(a, OP_MODIFY);
508	else if (strcmp(a->argv[0], "add") == 0)
509	rcExit = handleOp(a, OP_ADD);
510	else if (strcmp(a->argv[0], "remove") == 0)
511	rcExit = handleOp(a, OP_REMOVE);
512	else if (strcmp(a->argv[0], "start") == 0)
513	rcExit = handleOp(a, OP_START);
514	else if (strcmp(a->argv[0], "stop") == 0)
515	rcExit = handleOp(a, OP_STOP);
516	else if (strcmp(a->argv[0], "list") == 0)
517	rcExit = handleNATList(a);
518	else
519	rcExit = errorSyntax(USAGE_NATNETWORK, "Invalid parameter '%s'", Utf8Str(a->argv[0]).c_str());
520	return rcExit;
521	}
522
523	#endif /* !VBOX_ONLY_DOCS */

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageNATNetwork.cpp@ 78412

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