VBoxManageDHCPServer.cpp@ 68188

Last change on this file since 68188 was 63300, checked in by vboxsync, 8 years ago
VBoxManage: warnings
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1	/* $Id: VBoxManageDHCPServer.cpp 63300 2016-08-10 16:59:30Z vboxsync $ */
2	/** @file
3	* VBoxManage - Implementation of dhcpserver command.
4	*/
5
6	/*
7	* Copyright (C) 2006-2016 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	} OPCODE;
56
57	typedef std::pair<DhcpOpt_T, std::string> DhcpOptSpec;
58	typedef std::vector<DhcpOptSpec> DhcpOpts;
59	typedef DhcpOpts::iterator DhcpOptIterator;
60
61	struct VmNameSlotKey
62	{
63	const std::string VmName;
64	uint8_t u8Slot;
65
66	VmNameSlotKey(const std::string &aVmName, uint8_t aSlot)
67	: VmName(aVmName)
68	, u8Slot(aSlot)
69	{}
70
71	bool operator< (const VmNameSlotKey& that) const
72	{
73	if (VmName == that.VmName)
74	return u8Slot < that.u8Slot;
75	else
76	return VmName < that.VmName;
77	}
78	};
79
80	typedef std::map<VmNameSlotKey, DhcpOpts> VmSlot2OptionsM;
81	typedef VmSlot2OptionsM::iterator VmSlot2OptionsIterator;
82	typedef VmSlot2OptionsM::value_type VmSlot2OptionsPair;
83
84	typedef std::vector<VmNameSlotKey> VmConfigs;
85
86	static const RTGETOPTDEF g_aDHCPIPOptions[] =
87	{
88	{ "--netname", 't', RTGETOPT_REQ_STRING }, /* we use 't' instead of 'n' to avoid
89	* 1. the misspelled "-enable" long option to be treated as 'e' (for -enable) + 'n' (for -netname) + "<the_rest_opt>" (for net name)
90	* 2. the misspelled "-netmask" to be treated as 'n' (for -netname) + "<the_rest_opt>" (for net name)
91	*/
92	{ "-netname", 't', RTGETOPT_REQ_STRING }, // deprecated (if removed check below)
93	{ "--ifname", 'f', RTGETOPT_REQ_STRING }, /* we use 'f' instead of 'i' to avoid
94	* 1. the misspelled "-disable" long option to be treated as 'd' (for -disable) + 'i' (for -ifname) + "<the_rest_opt>" (for if name)
95	*/
96	{ "-ifname", 'f', RTGETOPT_REQ_STRING }, // deprecated
97	{ "--ip", 'a', RTGETOPT_REQ_STRING },
98	{ "-ip", 'a', RTGETOPT_REQ_STRING }, // deprecated
99	{ "--netmask", 'm', RTGETOPT_REQ_STRING },
100	{ "-netmask", 'm', RTGETOPT_REQ_STRING }, // deprecated
101	{ "--lowerip", 'l', RTGETOPT_REQ_STRING },
102	{ "-lowerip", 'l', RTGETOPT_REQ_STRING }, // deprecated
103	{ "--upperip", 'u', RTGETOPT_REQ_STRING },
104	{ "-upperip", 'u', RTGETOPT_REQ_STRING }, // deprecated
105	{ "--enable", 'e', RTGETOPT_REQ_NOTHING },
106	{ "-enable", 'e', RTGETOPT_REQ_NOTHING }, // deprecated
107	{ "--disable", 'd', RTGETOPT_REQ_NOTHING },
108	{ "-disable", 'd', RTGETOPT_REQ_NOTHING }, // deprecated
109	{ "--options", 'o', RTGETOPT_REQ_NOTHING },
110	{ "--vm", 'n', RTGETOPT_REQ_STRING}, /* only with -o */
111	{ "--slot", 's', RTGETOPT_REQ_UINT8}, /* only with -o and -n */
112	{ "--id", 'i', RTGETOPT_REQ_UINT8}, /* only with -o */
113	{ "--value", 'p', RTGETOPT_REQ_STRING} /* only with -i */
114	};
115
116	static RTEXITCODE handleOp(HandlerArg *a, OPCODE enmCode, int iStart)
117	{
118	if (a->argc - iStart < 2)
119	return errorSyntax(USAGE_DHCPSERVER, "Not enough parameters");
120
121	int index = iStart;
122	HRESULT rc;
123	bool fOptionsRead = false;
124	bool fVmOptionRead = false;
125
126	const char *pszVmName = NULL;
127	const char *pNetName = NULL;
128	const char *pIfName = NULL;
129	const char * pIp = NULL;
130	const char * pNetmask = NULL;
131	const char * pLowerIp = NULL;
132	const char * pUpperIp = NULL;
133
134	uint8_t u8OptId = (uint8_t)~0;
135	uint8_t u8Slot = (uint8_t)~0;
136
137	int enable = -1;
138
139	DhcpOpts GlobalDhcpOptions;
140	VmSlot2OptionsM VmSlot2Options;
141	VmConfigs VmConfigs2Delete;
142
143	int c;
144	RTGETOPTUNION ValueUnion;
145	RTGETOPTSTATE GetState;
146	RTGetOptInit(&GetState,
147	a->argc,
148	a->argv,
149	g_aDHCPIPOptions,
150	enmCode != OP_REMOVE ? RT_ELEMENTS(g_aDHCPIPOptions) : 4, /* we use only --netname and --ifname for remove*/
151	index,
152	RTGETOPTINIT_FLAGS_NO_STD_OPTS);
153	while ((c = RTGetOpt(&GetState, &ValueUnion)))
154	{
155	switch (c)
156	{
157	case 't': // --netname
158	if(pNetName)
159	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --netname once.");
160	else if (pIfName)
161	return errorSyntax(USAGE_DHCPSERVER, "You can either use a --netname or --ifname for identifying the DHCP server.");
162	else
163	{
164	pNetName = ValueUnion.psz;
165	}
166	break;
167	case 'f': // --ifname
168	if(pIfName)
169	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --ifname once.");
170	else if (pNetName)
171	return errorSyntax(USAGE_DHCPSERVER, "You can either use a --netname or --ipname for identifying the DHCP server.");
172	else
173	{
174	pIfName = ValueUnion.psz;
175	}
176	break;
177	case 'a': // -ip
178	if(pIp)
179	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --ip once.");
180	else
181	{
182	pIp = ValueUnion.psz;
183	}
184	break;
185	case 'm': // --netmask
186	if(pNetmask)
187	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --netmask once.");
188	else
189	{
190	pNetmask = ValueUnion.psz;
191	}
192	break;
193	case 'l': // --lowerip
194	if(pLowerIp)
195	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --lowerip once.");
196	else
197	{
198	pLowerIp = ValueUnion.psz;
199	}
200	break;
201	case 'u': // --upperip
202	if(pUpperIp)
203	return errorSyntax(USAGE_DHCPSERVER, "You can only specify --upperip once.");
204	else
205	{
206	pUpperIp = ValueUnion.psz;
207	}
208	break;
209	case 'e': // --enable
210	if(enable >= 0)
211	return errorSyntax(USAGE_DHCPSERVER, "You can specify either --enable or --disable once.");
212	else
213	{
214	enable = 1;
215	}
216	break;
217	case 'd': // --disable
218	if(enable >= 0)
219	return errorSyntax(USAGE_DHCPSERVER, "You can specify either --enable or --disable once.");
220	else
221	{
222	enable = 0;
223	}
224	break;
225	case VINF_GETOPT_NOT_OPTION:
226	return errorSyntax(USAGE_DHCPSERVER, "unhandled parameter: %s", ValueUnion.psz);
227	break;
228
229	case 'o': // --options
230	{
231	// {"--vm", 'n', RTGETOPT_REQ_STRING}, /* only with -o */
232	// {"--slot", 's', RTGETOPT_REQ_UINT8}, /* only with -o and -n*/
233	// {"--id", 'i', RTGETOPT_REQ_UINT8}, /* only with -o */
234	// {"--value", 'p', RTGETOPT_REQ_STRING} /* only with -i */
235	if (fOptionsRead)
236	return errorSyntax(USAGE_DHCPSERVER,
237	"previos option edition wasn't finished");
238	fOptionsRead = true;
239	fVmOptionRead = false; /* we want specify new global or vm option*/
240	u8Slot = (uint8_t)~0;
241	u8OptId = (uint8_t)~0;
242	pszVmName = NULL;
243	} /* end of --options */
244	break;
245
246	case 'n': // --vm-name
247	{
248	if (fVmOptionRead)
249	return errorSyntax(USAGE_DHCPSERVER,
250	"previous vm option edition wasn't finished");
251	else
252	fVmOptionRead = true;
253	u8Slot = (uint8_t)~0; /* clear slor */
254	pszVmName = RTStrDup(ValueUnion.psz);
255	}
256	break; /* end of --vm-name */
257
258	case 's': // --slot
259	{
260	if (!fVmOptionRead)
261	return errorSyntax(USAGE_DHCPSERVER,
262	"vm name wasn't specified");
263
264	u8Slot = ValueUnion.u8;
265	}
266	break; /* end of --slot */
267
268	case 'i': // --id
269	{
270	if (!fOptionsRead)
271	return errorSyntax(USAGE_DHCPSERVER,
272	"-o wasn't found");
273
274	u8OptId = ValueUnion.u8;
275	}
276	break; /* end of --id */
277
278	case 'p': // --value
279	{
280	if (!fOptionsRead)
281	return errorSyntax(USAGE_DHCPSERVER,
282	"-o wasn't found");
283
284	if (u8OptId == (uint8_t)~0)
285	return errorSyntax(USAGE_DHCPSERVER,
286	"--id wasn't found");
287	if ( fVmOptionRead
288	&& u8Slot == (uint8_t)~0)
289	return errorSyntax(USAGE_DHCPSERVER,
290	"--slot wasn't found");
291
292	DhcpOpts &opts = fVmOptionRead ? VmSlot2Options[VmNameSlotKey(pszVmName, u8Slot)]
293	: GlobalDhcpOptions;
294	std::string strVal = ValueUnion.psz;
295	opts.push_back(DhcpOptSpec((DhcpOpt_T)u8OptId, strVal));
296
297	}
298	break; // --end of value
299
300	default:
301	if (c > 0)
302	{
303	if (RT_C_IS_GRAPH(c))
304	return errorSyntax(USAGE_DHCPSERVER, "unhandled option: -%c", c);
305	else
306	return errorSyntax(USAGE_DHCPSERVER, "unhandled option: %i", c);
307	}
308	else if (c == VERR_GETOPT_UNKNOWN_OPTION)
309	return errorSyntax(USAGE_DHCPSERVER, "unknown option: %s", ValueUnion.psz);
310	else if (ValueUnion.pDef)
311	return errorSyntax(USAGE_DHCPSERVER, "%s: %Rrs", ValueUnion.pDef->pszLong, c);
312	else
313	return errorSyntax(USAGE_DHCPSERVER, "%Rrs", c);
314	}
315	}
316
317	if(! pNetName && !pIfName)
318	return errorSyntax(USAGE_DHCPSERVER, "You need to specify either --netname or --ifname to identify the DHCP server");
319
320	if( enmCode != OP_REMOVE
321	&& GlobalDhcpOptions.size() == 0
322	&& VmSlot2Options.size() == 0)
323	{
324	if(enable < 0 \|\| pIp \|\| pNetmask \|\| pLowerIp \|\| pUpperIp)
325	{
326	if(!pIp)
327	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --ip option");
328
329	if(!pNetmask)
330	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --netmask option");
331
332	if(!pLowerIp)
333	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --lowerip option");
334
335	if(!pUpperIp)
336	return errorSyntax(USAGE_DHCPSERVER, "You need to specify --upperip option");
337	}
338	}
339
340	Bstr NetName;
341	if(!pNetName)
342	{
343	ComPtr<IHost> host;
344	CHECK_ERROR(a->virtualBox, COMGETTER(Host)(host.asOutParam()));
345
346	ComPtr<IHostNetworkInterface> hif;
347	CHECK_ERROR(host, FindHostNetworkInterfaceByName(Bstr(pIfName).mutableRaw(), hif.asOutParam()));
348	if (FAILED(rc))
349	return errorArgument("Could not find interface '%s'", pIfName);
350
351	CHECK_ERROR(hif, COMGETTER(NetworkName) (NetName.asOutParam()));
352	if (FAILED(rc))
353	return errorArgument("Could not get network name for the interface '%s'", pIfName);
354	}
355	else
356	{
357	NetName = Bstr(pNetName);
358	}
359
360	ComPtr<IDHCPServer> svr;
361	rc = a->virtualBox->FindDHCPServerByNetworkName(NetName.mutableRaw(), svr.asOutParam());
362	if(enmCode == OP_ADD)
363	{
364	if (SUCCEEDED(rc))
365	return errorArgument("DHCP server already exists");
366
367	CHECK_ERROR(a->virtualBox, CreateDHCPServer(NetName.mutableRaw(), svr.asOutParam()));
368	if (FAILED(rc))
369	return errorArgument("Failed to create the DHCP server");
370	}
371	else if (FAILED(rc))
372	{
373	return errorArgument("DHCP server does not exist");
374	}
375
376	if(enmCode != OP_REMOVE)
377	{
378	if (pIp \|\| pNetmask \|\| pLowerIp \|\| pUpperIp)
379	{
380	CHECK_ERROR(svr, SetConfiguration (
381	Bstr(pIp).mutableRaw(),
382	Bstr(pNetmask).mutableRaw(),
383	Bstr(pLowerIp).mutableRaw(),
384	Bstr(pUpperIp).mutableRaw()));
385	if(FAILED(rc))
386	return errorArgument("Failed to set configuration");
387	}
388
389	if(enable >= 0)
390	{
391	CHECK_ERROR(svr, COMSETTER(Enabled) ((BOOL)enable));
392	}
393
394	/* option processing */
395	DhcpOptIterator itOpt;
396	VmSlot2OptionsIterator it;
397
398	/* Global Options */
399	for(itOpt = GlobalDhcpOptions.begin();
400	itOpt != GlobalDhcpOptions.end();
401	++itOpt)
402	{
403	CHECK_ERROR(svr,
404	AddGlobalOption(
405	itOpt->first,
406	com::Bstr(itOpt->second.c_str()).raw()));
407	}
408
409	/* heh, vm slot options. */
410
411	for (it = VmSlot2Options.begin();
412	it != VmSlot2Options.end();
413	++it)
414	{
415	for(itOpt = it->second.begin();
416	itOpt != it->second.end();
417	++itOpt)
418	{
419	CHECK_ERROR(svr,
420	AddVmSlotOption(Bstr(it->first.VmName.c_str()).raw(),
421	it->first.u8Slot,
422	itOpt->first,
423	com::Bstr(itOpt->second.c_str()).raw()));
424	}
425	}
426	}
427	else
428	{
429	CHECK_ERROR(a->virtualBox, RemoveDHCPServer(svr));
430	if(FAILED(rc))
431	return errorArgument("Failed to remove server");
432	}
433
434	return RTEXITCODE_SUCCESS;
435	}
436
437
438	RTEXITCODE handleDHCPServer(HandlerArg *a)
439	{
440	if (a->argc < 1)
441	return errorSyntax(USAGE_DHCPSERVER, "Not enough parameters");
442
443	RTEXITCODE rcExit;
444	if (strcmp(a->argv[0], "modify") == 0)
445	rcExit = handleOp(a, OP_MODIFY, 1);
446	else if (strcmp(a->argv[0], "add") == 0)
447	rcExit = handleOp(a, OP_ADD, 1);
448	else if (strcmp(a->argv[0], "remove") == 0)
449	rcExit = handleOp(a, OP_REMOVE, 1);
450	else
451	rcExit = errorSyntax(USAGE_DHCPSERVER, "Invalid parameter '%s'", Utf8Str(a->argv[0]).c_str());
452
453	return rcExit;
454	}
455
456	#endif /* !VBOX_ONLY_DOCS */
457

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageDHCPServer.cpp@ 68188

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