VBoxManageDHCPServer.cpp@ 76570

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1	/* $Id: VBoxManageDHCPServer.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2	/** @file
3	* VBoxManage - Implementation of dhcpserver 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	#include <VBox/com/com.h>
24	#include <VBox/com/array.h>
25	#include <VBox/com/ErrorInfo.h>
26	#include <VBox/com/errorprint.h>
27	#include <VBox/com/VirtualBox.h>
28	#endif /* !VBOX_ONLY_DOCS */
29
30	#include <iprt/cidr.h>
31	#include <iprt/param.h>
32	#include <iprt/path.h>
33	#include <iprt/stream.h>
34	#include <iprt/string.h>
35	#include <iprt/net.h>
36	#include <iprt/getopt.h>
37	#include <iprt/ctype.h>
38
39	#include <VBox/log.h>
40
41	#include "VBoxManage.h"
42
43	#include <string>
44	#include <vector>
45	#include <map>
46
47	#ifndef VBOX_ONLY_DOCS
48	using namespace com;
49
50	typedef enum enMainOpCodes
51	{
52	OP_ADD = 1000,
53	OP_REMOVE,
54	OP_MODIFY,
55	OP_RESTART
56	} OPCODE;
57
58	typedef std::pair<DhcpOpt_T, std::string> DhcpOptSpec;
59	typedef std::vector<DhcpOptSpec> DhcpOpts;
60	typedef DhcpOpts::iterator DhcpOptIterator;
61
62	typedef std::vector<DhcpOpt_T> DhcpOptIds;
63	typedef DhcpOptIds::iterator DhcpOptIdIterator;
64
65	struct VmNameSlotKey
66	{
67	const std::string VmName;
68	uint8_t u8Slot;
69
70	VmNameSlotKey(const std::string &aVmName, uint8_t aSlot)
71	: VmName(aVmName)
72	, u8Slot(aSlot)
73	{}
74
75	bool operator< (const VmNameSlotKey& that) const
76	{
77	if (VmName == that.VmName)
78	return u8Slot < that.u8Slot;
79	else
80	return VmName < that.VmName;
81	}
82	};
83
84	typedef std::map<VmNameSlotKey, DhcpOpts> VmSlot2OptionsM;
85	typedef VmSlot2OptionsM::iterator VmSlot2OptionsIterator;
86	typedef VmSlot2OptionsM::value_type VmSlot2OptionsPair;
87
88	typedef std::map<VmNameSlotKey, DhcpOptIds> VmSlot2OptionIdsM;
89	typedef VmSlot2OptionIdsM::iterator VmSlot2OptionIdsIterator;
90
91	typedef std::vector<VmNameSlotKey> VmConfigs;
92
93	static const RTGETOPTDEF g_aDHCPIPOptions[] =
94	{
95	{ "--netname", 't', RTGETOPT_REQ_STRING }, /* we use 't' instead of 'n' to avoid
96	* 1. the misspelled "-enable" long option to be treated as 'e' (for -enable) + 'n' (for -netname) + "<the_rest_opt>" (for net name)
97	* 2. the misspelled "-netmask" to be treated as 'n' (for -netname) + "<the_rest_opt>" (for net name)
98	*/
99	{ "-netname", 't', RTGETOPT_REQ_STRING }, // deprecated (if removed check below)
100	{ "--ifname", 'f', RTGETOPT_REQ_STRING }, /* we use 'f' instead of 'i' to avoid
101	* 1. the misspelled "-disable" long option to be treated as 'd' (for -disable) + 'i' (for -ifname) + "<the_rest_opt>" (for if name)
102	*/
103	{ "-ifname", 'f', RTGETOPT_REQ_STRING }, // deprecated
104	{ "--ip", 'a', RTGETOPT_REQ_STRING },
105	{ "-ip", 'a', RTGETOPT_REQ_STRING }, // deprecated
106	{ "--netmask", 'm', RTGETOPT_REQ_STRING },
107	{ "-netmask", 'm', RTGETOPT_REQ_STRING }, // deprecated
108	{ "--lowerip", 'l', RTGETOPT_REQ_STRING },
109	{ "-lowerip", 'l', RTGETOPT_REQ_STRING }, // deprecated
110	{ "--upperip", 'u', RTGETOPT_REQ_STRING },
111	{ "-upperip", 'u', RTGETOPT_REQ_STRING }, // deprecated
112	{ "--enable", 'e', RTGETOPT_REQ_NOTHING },
113	{ "-enable", 'e', RTGETOPT_REQ_NOTHING }, // deprecated
114	{ "--disable", 'd', RTGETOPT_REQ_NOTHING },
115	{ "-disable", 'd', RTGETOPT_REQ_NOTHING }, // deprecated
116	{ "--options", 'o', RTGETOPT_REQ_NOTHING },
117	{ "--vm", 'M', RTGETOPT_REQ_STRING}, /* only with -o */
118	{ "--nic", 'n', RTGETOPT_REQ_UINT8}, /* only with -o and -M */
119	{ "--id", 'i', RTGETOPT_REQ_UINT8}, /* only with -o */
120	{ "--value", 'p', RTGETOPT_REQ_STRING}, /* only with -i */
121	{ "--remove", 'r', RTGETOPT_REQ_NOTHING} /* only with -i */
122	};
123
124	static RTEXITCODE handleOp(HandlerArg *a, OPCODE enmCode, int iStart)
125	{
126	if (a->argc - iStart < 2)
127	return errorSyntax(USAGE_DHCPSERVER, "Not enough parameters");
128
129	int index = iStart;
130	HRESULT rc;
131	bool fOptionsRead = false;
132	bool fVmOptionRead = false;
133
134	const char *pszVmName = NULL;
135	const char *pNetName = NULL;
136	const char *pIfName = NULL;
137	const char * pIp = NULL;
138	const char * pNetmask = NULL;
139	const char * pLowerIp = NULL;
140	const char * pUpperIp = NULL;
141
142	uint8_t u8OptId = (uint8_t)~0;
143	uint8_t u8Slot = (uint8_t)~0;
144
145	int enable = -1;
146
147	DhcpOpts GlobalDhcpOptions;
148	DhcpOptIds GlobalDhcpOptions2Delete;
149	VmSlot2OptionsM VmSlot2Options;
150	VmSlot2OptionIdsM VmSlot2Options2Delete;
151	VmConfigs VmConfigs2Delete;
152
153	int c;
154	RTGETOPTUNION ValueUnion;
155	RTGETOPTSTATE GetState;
156	RTGetOptInit(&GetState,
157	a->argc,
158	a->argv,
159	g_aDHCPIPOptions,
160	enmCode != OP_REMOVE ? RT_ELEMENTS(g_aDHCPIPOptions) : 4, /* we use only --netname and --ifname for remove*/
161	index,
162	RTGETOPTINIT_FLAGS_NO_STD_OPTS);
163	while ((c = RTGetOpt(&GetState, &ValueUnion)))
164	{
165	switch (c)
166	{
167	case 't': // --netname
168	if(pNetName)
169	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --netname once.");
170	else if (pIfName)
171	return errorSyntax(USAGE_DHCPSERVER, "You can either use a --netname or --ifname for identifying the DHCP server.");
172	else
173	{
174	pNetName = ValueUnion.psz;
175	}
176	break;
177	case 'f': // --ifname
178	if(pIfName)
179	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --ifname once.");
180	else if (pNetName)
181	return errorSyntax(USAGE_DHCPSERVER, "You can either use a --netname or --ipname for identifying the DHCP server.");
182	else
183	{
184	pIfName = ValueUnion.psz;
185	}
186	break;
187	case 'a': // -ip
188	if(pIp)
189	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --ip once.");
190	else
191	{
192	pIp = ValueUnion.psz;
193	}
194	break;
195	case 'm': // --netmask
196	if(pNetmask)
197	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --netmask once.");
198	else
199	{
200	pNetmask = ValueUnion.psz;
201	}
202	break;
203	case 'l': // --lowerip
204	if(pLowerIp)
205	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --lowerip once.");
206	else
207	{
208	pLowerIp = ValueUnion.psz;
209	}
210	break;
211	case 'u': // --upperip
212	if(pUpperIp)
213	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --upperip once.");
214	else
215	{
216	pUpperIp = ValueUnion.psz;
217	}
218	break;
219	case 'e': // --enable
220	if(enable >= 0)
221	return errorSyntax(USAGE_DHCPSERVER, "You can specify either --enable or --disable once.");
222	else
223	{
224	enable = 1;
225	}
226	break;
227	case 'd': // --disable
228	if(enable >= 0)
229	return errorSyntax(USAGE_DHCPSERVER, "You can specify either --enable or --disable once.");
230	else
231	{
232	enable = 0;
233	}
234	break;
235	case VINF_GETOPT_NOT_OPTION:
236	return errorSyntax(USAGE_DHCPSERVER, "unhandled parameter: %s", ValueUnion.psz);
237	break;
238
239	case 'o': // --options
240	{
241	// {"--vm", 'n', RTGETOPT_REQ_STRING}, /* only with -o */
242	// {"--nic", 'c', RTGETOPT_REQ_UINT8}, /* only with -o and -n*/
243	// {"--id", 'i', RTGETOPT_REQ_UINT8}, /* only with -o */
244	// {"--value", 'p', RTGETOPT_REQ_STRING} /* only with -i */
245	if (fOptionsRead)
246	return errorSyntax(USAGE_DHCPSERVER,
247	"previos option edition wasn't finished");
248	fOptionsRead = true;
249	fVmOptionRead = false; /* we want specify new global or vm option*/
250	u8Slot = (uint8_t)~0;
251	u8OptId = (uint8_t)~0;
252	pszVmName = NULL;
253	} /* end of --options */
254	break;
255
256	case 'M': // --vm
257	{
258	if (fVmOptionRead)
259	return errorSyntax(USAGE_DHCPSERVER,
260	"previous vm option edition wasn't finished");
261	else
262	fVmOptionRead = true;
263	u8Slot = (uint8_t)~0; /* clear slor */
264	pszVmName = RTStrDup(ValueUnion.psz);
265	}
266	break; /* end of --vm */
267
268	case 'n': // --nic
269	{
270	if (!fVmOptionRead)
271	return errorSyntax(USAGE_DHCPSERVER,
272	"vm name wasn't specified");
273
274	u8Slot = ValueUnion.u8;
275
276	if (u8Slot < 1)
277	return errorSyntax(USAGE_DHCPSERVER,
278	"invalid NIC number: %u", u8Slot);
279	--u8Slot;
280	}
281	break; /* end of --nic */
282
283	case 'i': // --id
284	{
285	if (!fOptionsRead)
286	return errorSyntax(USAGE_DHCPSERVER,
287	"-o wasn't found");
288
289	u8OptId = ValueUnion.u8;
290	}
291	break; /* end of --id */
292
293	case 'p': // --value
294	{
295	if (!fOptionsRead)
296	return errorSyntax(USAGE_DHCPSERVER,
297	"-o wasn't found");
298
299	if (u8OptId == (uint8_t)~0)
300	return errorSyntax(USAGE_DHCPSERVER,
301	"--id wasn't found");
302	if ( fVmOptionRead
303	&& u8Slot == (uint8_t)~0)
304	return errorSyntax(USAGE_DHCPSERVER,
305	"--nic wasn't found");
306
307	DhcpOpts &opts = fVmOptionRead ? VmSlot2Options[VmNameSlotKey(pszVmName, u8Slot)]
308	: GlobalDhcpOptions;
309	std::string strVal = ValueUnion.psz;
310	opts.push_back(DhcpOptSpec((DhcpOpt_T)u8OptId, strVal));
311
312	}
313	break; // --end of value
314
315	case 'r': /* --remove */
316	{
317	if (!fOptionsRead)
318	return errorSyntax(USAGE_DHCPSERVER,
319	"-o wasn't found");
320
321	if (u8OptId == (uint8_t)~0)
322	return errorSyntax(USAGE_DHCPSERVER,
323	"--id wasn't found");
324	if ( fVmOptionRead
325	&& u8Slot == (uint8_t)~0)
326	return errorSyntax(USAGE_DHCPSERVER,
327	"--nic wasn't found");
328
329	DhcpOptIds &optIds = fVmOptionRead ? VmSlot2Options2Delete[VmNameSlotKey(pszVmName, u8Slot)]
330	: GlobalDhcpOptions2Delete;
331	optIds.push_back((DhcpOpt_T)u8OptId);
332	}
333	break; /* --end of remove */
334
335	default:
336	if (c > 0)
337	{
338	if (RT_C_IS_GRAPH(c))
339	return errorSyntax(USAGE_DHCPSERVER, "unhandled option: -%c", c);
340	return errorSyntax(USAGE_DHCPSERVER, "unhandled option: %i", c);
341	}
342	if (c == VERR_GETOPT_UNKNOWN_OPTION)
343	return errorSyntax(USAGE_DHCPSERVER, "unknown option: %s", ValueUnion.psz);
344	if (ValueUnion.pDef)
345	return errorSyntax(USAGE_DHCPSERVER, "%s: %Rrs", ValueUnion.pDef->pszLong, c);
346	return errorSyntax(USAGE_DHCPSERVER, "%Rrs", c);
347	}
348	}
349
350	if(! pNetName && !pIfName)
351	return errorSyntax(USAGE_DHCPSERVER, "You need to specify either --netname or --ifname to identify the DHCP server");
352
353	if( enmCode != OP_REMOVE
354	&& enmCode != OP_RESTART
355	&& GlobalDhcpOptions.empty()
356	&& VmSlot2Options.empty()
357	&& GlobalDhcpOptions2Delete.empty()
358	&& VmSlot2Options2Delete.empty())
359	{
360	if(enable < 0 \|\| pIp \|\| pNetmask \|\| pLowerIp \|\| pUpperIp)
361	{
362	if(!pIp)
363	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --ip option");
364
365	if(!pNetmask)
366	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --netmask option");
367
368	if(!pLowerIp)
369	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --lowerip option");
370
371	if(!pUpperIp)
372	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --upperip option");
373	}
374	}
375
376	Bstr NetName;
377	if(!pNetName)
378	{
379	ComPtr<IHost> host;
380	CHECK_ERROR(a->virtualBox, COMGETTER(Host)(host.asOutParam()));
381
382	ComPtr<IHostNetworkInterface> hif;
383	CHECK_ERROR(host, FindHostNetworkInterfaceByName(Bstr(pIfName).mutableRaw(), hif.asOutParam()));
384	if (FAILED(rc))
385	return errorArgument("Could not find interface '%s'", pIfName);
386
387	CHECK_ERROR(hif, COMGETTER(NetworkName) (NetName.asOutParam()));
388	if (FAILED(rc))
389	return errorArgument("Could not get network name for the interface '%s'", pIfName);
390	}
391	else
392	{
393	NetName = Bstr(pNetName);
394	}
395
396	ComPtr<IDHCPServer> svr;
397	rc = a->virtualBox->FindDHCPServerByNetworkName(NetName.mutableRaw(), svr.asOutParam());
398	if(enmCode == OP_ADD)
399	{
400	if (SUCCEEDED(rc))
401	return errorArgument("DHCP server already exists");
402
403	CHECK_ERROR(a->virtualBox, CreateDHCPServer(NetName.mutableRaw(), svr.asOutParam()));
404	if (FAILED(rc))
405	return errorArgument("Failed to create the DHCP server");
406	}
407	else if (FAILED(rc))
408	{
409	return errorArgument("DHCP server does not exist");
410	}
411
412	if (enmCode == OP_RESTART)
413	{
414	CHECK_ERROR(svr, Restart());
415	if(FAILED(rc))
416	return errorArgument("Failed to restart server");
417	}
418	else if (enmCode == OP_REMOVE)
419	{
420	CHECK_ERROR(a->virtualBox, RemoveDHCPServer(svr));
421	if(FAILED(rc))
422	return errorArgument("Failed to remove server");
423	}
424	else
425	{
426	if (pIp \|\| pNetmask \|\| pLowerIp \|\| pUpperIp)
427	{
428	CHECK_ERROR(svr, SetConfiguration (
429	Bstr(pIp).mutableRaw(),
430	Bstr(pNetmask).mutableRaw(),
431	Bstr(pLowerIp).mutableRaw(),
432	Bstr(pUpperIp).mutableRaw()));
433	if(FAILED(rc))
434	return errorArgument("Failed to set configuration");
435	}
436
437	if(enable >= 0)
438	{
439	CHECK_ERROR(svr, COMSETTER(Enabled) ((BOOL)enable));
440	}
441
442	/* remove specified options */
443	DhcpOptIdIterator itOptId;
444	for (itOptId = GlobalDhcpOptions2Delete.begin();
445	itOptId != GlobalDhcpOptions2Delete.end();
446	++itOptId)
447	{
448	CHECK_ERROR(svr, RemoveGlobalOption(*itOptId));
449	}
450	VmSlot2OptionIdsIterator itIdVector;
451	for (itIdVector = VmSlot2Options2Delete.begin();
452	itIdVector != VmSlot2Options2Delete.end();
453	++itIdVector)
454	{
455	for(itOptId = itIdVector->second.begin();
456	itOptId != itIdVector->second.end();
457	++itOptId)
458	{
459	CHECK_ERROR(svr,
460	RemoveVmSlotOption(Bstr(itIdVector->first.VmName.c_str()).raw(),
461	itIdVector->first.u8Slot,
462	*itOptId));
463	}
464	}
465
466	/* option processing */
467	DhcpOptIterator itOpt;
468	VmSlot2OptionsIterator it;
469
470	/* Global Options */
471	for(itOpt = GlobalDhcpOptions.begin();
472	itOpt != GlobalDhcpOptions.end();
473	++itOpt)
474	{
475	CHECK_ERROR(svr,
476	AddGlobalOption(
477	itOpt->first,
478	com::Bstr(itOpt->second.c_str()).raw()));
479	}
480
481	/* heh, vm slot options. */
482
483	for (it = VmSlot2Options.begin();
484	it != VmSlot2Options.end();
485	++it)
486	{
487	for(itOpt = it->second.begin();
488	itOpt != it->second.end();
489	++itOpt)
490	{
491	CHECK_ERROR(svr,
492	AddVmSlotOption(Bstr(it->first.VmName.c_str()).raw(),
493	it->first.u8Slot,
494	itOpt->first,
495	com::Bstr(itOpt->second.c_str()).raw()));
496	}
497	}
498	}
499
500	return RTEXITCODE_SUCCESS;
501	}
502
503
504	RTEXITCODE handleDHCPServer(HandlerArg *a)
505	{
506	if (a->argc < 1)
507	return errorSyntax(USAGE_DHCPSERVER, "Not enough parameters");
508
509	RTEXITCODE rcExit;
510	if (strcmp(a->argv[0], "modify") == 0)
511	rcExit = handleOp(a, OP_MODIFY, 1);
512	else if (strcmp(a->argv[0], "add") == 0)
513	rcExit = handleOp(a, OP_ADD, 1);
514	else if (strcmp(a->argv[0], "remove") == 0)
515	rcExit = handleOp(a, OP_REMOVE, 1);
516	else if (strcmp(a->argv[0], "restart") == 0)
517	rcExit = handleOp(a, OP_RESTART, 1);
518	else
519	rcExit = errorSyntax(USAGE_DHCPSERVER, "Invalid parameter '%s'", Utf8Str(a->argv[0]).c_str());
520
521	return rcExit;
522	}
523
524	#endif /* !VBOX_ONLY_DOCS */
525

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageDHCPServer.cpp@ 76570

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