Config.cpp@ 79824

Last change on this file since 79824 was 79824, checked in by vboxsync, 6 years ago
Dhcpd: Build fix for newer compilers. bugref:9288
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1	/* $Id: Config.cpp 79824 2019-07-16 20:30:59Z vboxsync $ */
2	/** @file
3	* DHCP server - server configuration
4	*/
5
6	/*
7	* Copyright (C) 2017-2019 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	#include "DhcpdInternal.h"
23
24	#include <iprt/ctype.h>
25	#include <iprt/net.h> /* NB: must come before getopt.h */
26	#include <iprt/getopt.h>
27	#include <iprt/path.h>
28	#include <iprt/message.h>
29	#include <iprt/string.h>
30	#include <iprt/uuid.h>
31	#include <iprt/cpp/path.h>
32
33	#include <VBox/com/com.h> /* For log initialization. */
34
35	#include "Config.h"
36
37
38	/*********************************************************************************************************************************
39	* Global Variables *
40	*********************************************************************************************************************************/
41	/static/ bool Config::g_fInitializedLog = false;
42	/static/ uint32_t GroupConfig::s_uGroupNo = 0;
43
44
45	/**
46	* Configuration file exception.
47	*/
48	class ConfigFileError
49	: public RTCError
50	{
51	public:
52	#if 0 /* This just confuses the compiler. */
53	ConfigFileError(const char *a_pszMessage)
54	: RTCError(a_pszMessage)
55	{}
56	#endif
57
58	explicit ConfigFileError(xml::Node const pNode, const char a_pszMsgFmt, ...)
59	: RTCError((char *)NULL)
60	{
61
62	i_buildPath(pNode);
63	m_strMsg.append(": ");
64
65	va_list va;
66	va_start(va, a_pszMsgFmt);
67	m_strMsg.appendPrintfV(a_pszMsgFmt, va);
68	va_end(va);
69	}
70
71
72	ConfigFileError(const char *a_pszMsgFmt, ...)
73	: RTCError((char *)NULL)
74	{
75	va_list va;
76	va_start(va, a_pszMsgFmt);
77	m_strMsg.printfV(a_pszMsgFmt, va);
78	va_end(va);
79	}
80
81	ConfigFileError(const RTCString &a_rstrMessage)
82	: RTCError(a_rstrMessage)
83	{}
84
85	private:
86	void i_buildPath(xml::Node const *pNode)
87	{
88	if (pNode)
89	{
90	i_buildPath(pNode->getParent());
91	m_strMsg.append('/');
92	m_strMsg.append(pNode->getName());
93	if (pNode->isElement() && pNode->getParent())
94	{
95	xml::ElementNode const pElm = (xml::ElementNode const )pNode;
96	for (xml::Node const *pAttrib = pElm->getFirstAttribute(); pAttrib != NULL;
97	pAttrib = pAttrib->getNextSibiling())
98	if (pAttrib->isAttribute())
99	{
100	m_strMsg.append("[@");
101	m_strMsg.append(pAttrib->getName());
102	m_strMsg.append('=');
103	m_strMsg.append(pAttrib->getValue());
104	m_strMsg.append(']');
105	}
106	}
107	}
108	}
109
110	};
111
112
113	/**
114	* Private default constructor, external users use factor methods.
115	*/
116	Config::Config()
117	: m_strHome()
118	, m_strNetwork()
119	, m_strTrunk()
120	, m_enmTrunkType(kIntNetTrunkType_Invalid)
121	, m_MacAddress()
122	, m_IPv4Address()
123	, m_IPv4Netmask()
124	, m_IPv4PoolFirst()
125	, m_IPv4PoolLast()
126	, m_GlobalConfig()
127	, m_GroupConfigs()
128	, m_HostConfigs()
129	{
130	}
131
132
133	/**
134	* Initializes the object.
135	*
136	* @returns IPRT status code.
137	*/
138	int Config::i_init() RT_NOEXCEPT
139	{
140	return i_homeInit();
141	}
142
143
144	/**
145	* Initializes the m_strHome member with the path to ~/.VirtualBox or equivalent.
146	*
147	* @returns IPRT status code.
148	* @todo Too many init functions?
149	*/
150	int Config::i_homeInit() RT_NOEXCEPT
151	{
152	char szHome[RTPATH_MAX];
153	int rc = com::GetVBoxUserHomeDirectory(szHome, sizeof(szHome), false);
154	if (RT_SUCCESS(rc))
155	rc = m_strHome.assignNoThrow(szHome);
156	else
157	DHCP_LOG_MSG_ERROR(("unable to locate the VirtualBox home directory: %Rrc\n", rc));
158	return rc;
159	}
160
161
162	/**
163	* Internal worker for the public factory methods that creates an instance and
164	* calls i_init() on it.
165	*
166	* @returns Config instance on success, NULL on failure.
167	*/
168	/static/ Config *Config::i_createInstanceAndCallInit() RT_NOEXCEPT
169	{
170	Config *pConfig;
171	try
172	{
173	pConfig = new Config();
174	}
175	catch (std::bad_alloc &)
176	{
177	return NULL;
178	}
179
180	int rc = pConfig->i_init();
181	if (RT_SUCCESS(rc))
182	return pConfig;
183	delete pConfig;
184	return NULL;
185	}
186
187
188	/**
189	* Worker for i_complete() that initializes the release log of the process.
190	*
191	* Requires network name to be known as the log file name depends on
192	* it. Alternatively, consider passing the log file name via the
193	* command line?
194	*
195	* @note This is only used when no --log parameter was given.
196	*/
197	int Config::i_logInit() RT_NOEXCEPT
198	{
199	if (g_fInitializedLog)
200	return VINF_SUCCESS;
201
202	if (m_strHome.isEmpty() \|\| m_strNetwork.isEmpty())
203	return VERR_PATH_ZERO_LENGTH;
204
205	/* default log file name */
206	char szLogFile[RTPATH_MAX];
207	ssize_t cch = RTStrPrintf2(szLogFile, sizeof(szLogFile),
208	"%s%c%s-Dhcpd.log",
209	m_strHome.c_str(), RTPATH_DELIMITER, m_strNetwork.c_str());
210	if (cch > 0)
211	{
212	RTPathPurgeFilename(RTPathFilename(szLogFile), RTPATH_STR_F_STYLE_HOST);
213	return i_logInitWithFilename(szLogFile);
214	}
215	return VERR_BUFFER_OVERFLOW;
216	}
217
218
219	/**
220	* Worker for i_logInit and for handling --log on the command line.
221	*
222	* @returns IPRT status code.
223	* @param pszFilename The log filename.
224	*/
225	/static/ int Config::i_logInitWithFilename(const char *pszFilename) RT_NOEXCEPT
226	{
227	AssertReturn(!g_fInitializedLog, VERR_WRONG_ORDER);
228
229	int rc = com::VBoxLogRelCreate("DHCP Server",
230	pszFilename,
231	RTLOGFLAGS_PREFIX_TIME_PROG,
232	"all net_dhcpd.e.l",
233	"VBOXDHCP_RELEASE_LOG",
234	RTLOGDEST_FILE
235	#ifdef DEBUG
236	\| RTLOGDEST_STDERR
237	#endif
238	,
239	32768 /* cMaxEntriesPerGroup */,
240	5 /* cHistory */,
241	RT_SEC_1DAY /* uHistoryFileTime */,
242	_32M /* uHistoryFileSize */,
243	NULL /* pErrInfo */);
244	if (RT_SUCCESS(rc))
245	g_fInitializedLog = true;
246	else
247	RTMsgError("Log initialization failed: %Rrc, log file '%s'", rc, pszFilename);
248	return rc;
249
250	}
251
252
253	/**
254	* Post process and validate the configuration after it has been loaded.
255	*/
256	int Config::i_complete() RT_NOEXCEPT
257	{
258	if (m_strNetwork.isEmpty())
259	{
260	LogRel(("network name is not specified\n"));
261	return false;
262	}
263
264	i_logInit();
265
266	/** @todo the MAC address is always generated, no XML config option for it ... */
267	bool fMACGenerated = false;
268	if ( m_MacAddress.au16[0] == 0
269	&& m_MacAddress.au16[1] == 0
270	&& m_MacAddress.au16[2] == 0)
271	{
272	RTUUID Uuid;
273	int rc = RTUuidCreate(&Uuid);
274	AssertRCReturn(rc, rc);
275
276	m_MacAddress.au8[0] = 0x08;
277	m_MacAddress.au8[1] = 0x00;
278	m_MacAddress.au8[2] = 0x27;
279	m_MacAddress.au8[3] = Uuid.Gen.au8Node[3];
280	m_MacAddress.au8[4] = Uuid.Gen.au8Node[4];
281	m_MacAddress.au8[5] = Uuid.Gen.au8Node[5];
282
283	LogRel(("MAC address is not specified: will use generated MAC %RTmac\n", &m_MacAddress));
284	fMACGenerated = true;
285	}
286
287	/* unicast MAC address */
288	if (m_MacAddress.au8[0] & 0x01)
289	{
290	LogRel(("MAC address is not unicast: %RTmac\n", &m_MacAddress));
291	return VERR_GENERAL_FAILURE;
292	}
293
294	if (!fMACGenerated)
295	LogRel(("MAC address %RTmac\n", &m_MacAddress));
296
297	return VINF_SUCCESS;
298	}
299
300
301	/**
302	* Parses the command line and loads the configuration.
303	*
304	* @returns The configuration, NULL if we ran into some fatal problem.
305	* @param argc The argc from main().
306	* @param argv The argv from main().
307	*/
308	Config Config::create(int argc, char *argv) RT_NOEXCEPT
309	{
310	/*
311	* Parse the command line.
312	*/
313	static const RTGETOPTDEF s_aOptions[] =
314	{
315	{ "--comment", '#', RTGETOPT_REQ_STRING },
316	{ "--config", 'c', RTGETOPT_REQ_STRING },
317	{ "--log", 'l', RTGETOPT_REQ_STRING },
318	{ "--log-destinations", 'd', RTGETOPT_REQ_STRING },
319	{ "--log-flags", 'f', RTGETOPT_REQ_STRING },
320	{ "--log-group-settings", 'g', RTGETOPT_REQ_STRING },
321	{ "--relaxed", 'r', RTGETOPT_REQ_NOTHING },
322	{ "--strict", 's', RTGETOPT_REQ_NOTHING },
323	};
324
325	RTGETOPTSTATE State;
326	int rc = RTGetOptInit(&State, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
327	AssertRCReturn(rc, NULL);
328
329	const char *pszLogFile = NULL;
330	const char *pszLogGroupSettings = NULL;
331	const char *pszLogDestinations = NULL;
332	const char *pszLogFlags = NULL;
333	const char *pszConfig = NULL;
334	const char *pszComment = NULL;
335	bool fStrict = true;
336
337	for (;;)
338	{
339	RTGETOPTUNION ValueUnion;
340	rc = RTGetOpt(&State, &ValueUnion);
341	if (rc == 0) /* done */
342	break;
343
344	switch (rc)
345	{
346	case 'c': /* --config */
347	pszConfig = ValueUnion.psz;
348	break;
349
350	case 'l':
351	pszLogFile = ValueUnion.psz;
352	break;
353
354	case 'd':
355	pszLogDestinations = ValueUnion.psz;
356	break;
357
358	case 'f':
359	pszLogFlags = ValueUnion.psz;
360	break;
361
362	case 'g':
363	pszLogGroupSettings = ValueUnion.psz;
364	break;
365
366	case 'r':
367	fStrict = false;
368	break;
369
370	case 's':
371	fStrict = true;
372	break;
373
374	case '#': /* --comment */
375	/* The sole purpose of this option is to allow identification of DHCP
376	* server instances in the process list. We ignore the required string
377	* argument of this option. */
378	pszComment = ValueUnion.psz;
379	break;
380
381	default:
382	RTGetOptPrintError(rc, &ValueUnion);
383	return NULL;
384	}
385	}
386
387	if (!pszConfig)
388	{
389	RTMsgError("No configuration file specified (--config file)!\n");
390	return NULL;
391	}
392
393	/*
394	* Init the log if a log file was specified.
395	*/
396	if (pszLogFile)
397	{
398	rc = i_logInitWithFilename(pszLogFile);
399	if (RT_FAILURE(rc))
400	RTMsgError("Failed to initialize log file '%s': %Rrc", pszLogFile, rc);
401
402	if (pszLogDestinations)
403	RTLogDestinations(RTLogRelGetDefaultInstance(), pszLogDestinations);
404	if (pszLogFlags)
405	RTLogFlags(RTLogRelGetDefaultInstance(), pszLogFlags);
406	if (pszLogGroupSettings)
407	RTLogGroupSettings(RTLogRelGetDefaultInstance(), pszLogGroupSettings);
408
409	LogRel(("--config: %s\n", pszComment));
410	if (pszComment)
411	LogRel(("--comment: %s\n", pszComment));
412	}
413
414	/*
415	* Read the log file.
416	*/
417	RTMsgInfo("reading config from '%s'...\n", pszConfig);
418	std::unique_ptr<Config> ptrConfig;
419	ptrConfig.reset(Config::i_read(pszConfig, fStrict));
420	if (ptrConfig.get() != NULL)
421	{
422	rc = ptrConfig->i_complete();
423	if (RT_SUCCESS(rc))
424	return ptrConfig.release();
425	}
426	return NULL;
427	}
428
429
430	/**
431	*
432	* @note The release log has is not operational when this method is called.
433	*/
434	Config Config::i_read(const char pszFileName, bool fStrict) RT_NOEXCEPT
435	{
436	if (pszFileName == NULL \|\| pszFileName[0] == '\0')
437	{
438	DHCP_LOG_MSG_ERROR(("Config::i_read: Empty configuration filename\n"));
439	return NULL;
440	}
441
442	xml::Document doc;
443	try
444	{
445	xml::XmlFileParser parser;
446	parser.read(pszFileName, doc);
447	}
448	catch (const xml::EIPRTFailure &e)
449	{
450	DHCP_LOG_MSG_ERROR(("Config::i_read: %s\n", e.what()));
451	return NULL;
452	}
453	catch (const RTCError &e)
454	{
455	DHCP_LOG_MSG_ERROR(("Config::i_read: %s\n", e.what()));
456	return NULL;
457	}
458	catch (...)
459	{
460	DHCP_LOG_MSG_ERROR(("Config::i_read: Unknown exception while reading and parsing '%s'\n", pszFileName));
461	return NULL;
462	}
463
464	std::unique_ptr<Config> config(i_createInstanceAndCallInit());
465	AssertReturn(config.get() != NULL, NULL);
466
467	try
468	{
469	config->i_parseConfig(doc.getRootElement(), fStrict);
470	}
471	catch (const RTCError &e)
472	{
473	DHCP_LOG_MSG_ERROR(("Config::i_read: %s\n", e.what()));
474	return NULL;
475	}
476	catch (std::bad_alloc &)
477	{
478	DHCP_LOG_MSG_ERROR(("Config::i_read: std::bad_alloc\n"));
479	return NULL;
480	}
481	catch (...)
482	{
483	DHCP_LOG_MSG_ERROR(("Config::i_read: Unexpected exception\n"));
484	return NULL;
485	}
486
487	return config.release();
488	}
489
490
491	/**
492	* Helper for retrieving a IPv4 attribute.
493	*
494	* @param pElm The element to get the attribute from.
495	* @param pszAttrName The name of the attribute
496	* @param pAddr Where to return the address.
497	* @throws ConfigFileError
498	*/
499	static void getIPv4AddrAttribute(const xml::ElementNode pElm, const char pszAttrName, PRTNETADDRIPV4 pAddr)
500	{
501	const char *pszAttrValue;
502	if (pElm->getAttributeValue(pszAttrName, &pszAttrValue))
503	{
504	int rc = RTNetStrToIPv4Addr(pszAttrValue, pAddr);
505	if (RT_SUCCESS(rc))
506	return;
507	throw ConfigFileError(pElm, "Attribute %s is not a valid IPv4 address: '%s' -> %Rrc", pszAttrName, pszAttrValue, rc);
508	}
509	throw ConfigFileError(pElm, "Required %s attribute missing", pszAttrName);
510	}
511
512
513	/**
514	* Helper for retrieving a MAC address attribute.
515	*
516	* @param pElm The element to get the attribute from.
517	* @param pszAttrName The name of the attribute
518	* @param pMacAddr Where to return the MAC address.
519	* @throws ConfigFileError
520	*/
521	static void getMacAddressAttribute(const xml::ElementNode pElm, const char pszAttrName, PRTMAC pMacAddr)
522	{
523	const char *pszAttrValue;
524	if (pElm->getAttributeValue(pszAttrName, &pszAttrValue))
525	{
526	int rc = RTNetStrToMacAddr(pszAttrValue, pMacAddr);
527	if (RT_SUCCESS(rc) && rc != VWRN_TRAILING_CHARS)
528	return;
529	throw ConfigFileError(pElm, "attribute %s is not a valid MAC address: '%s' -> %Rrc", pszAttrName, pszAttrValue, rc);
530	}
531	throw ConfigFileError(pElm, "Required %s attribute missing", pszAttrName);
532	}
533
534
535	/**
536	* Internal worker for i_read() that parses the root element and everything
537	* below it.
538	*
539	* @param pElmRoot The root element.
540	* @param fStrict Set if we're in strict mode, clear if we just
541	* want to get on with it if we can.
542	* @throws std::bad_alloc, ConfigFileError
543	*/
544	void Config::i_parseConfig(const xml::ElementNode *pElmRoot, bool fStrict)
545	{
546	/*
547	* Check the root element and call i_parseServer to do real work.
548	*/
549	if (pElmRoot == NULL)
550	throw ConfigFileError("Empty config file");
551
552	/** @todo XXX: NAMESPACE API IS COMPLETELY BROKEN, SO IGNORE IT FOR NOW */
553
554	if (!pElmRoot->nameEquals("DHCPServer"))
555	throw ConfigFileError("Unexpected root element '%s'", pElmRoot->getName());
556
557	i_parseServer(pElmRoot, fStrict);
558
559	#if 0 /** @todo convert to LogRel2 stuff */
560	// XXX: debug
561	for (optmap_t::const_iterator it = m_GlobalOptions.begin(); it != m_GlobalOptions.end(); ++it) {
562	std::shared_ptr<DhcpOption> opt(it->second);
563
564	octets_t data;
565	opt->encode(data);
566
567	bool space = false;
568	for (octets_t::const_iterator itData = data.begin(); itData != data.end(); ++itData) {
569	uint8_t c = *itData;
570	if (space)
571	std::cout << " ";
572	else
573	space = true;
574	std::cout << (int)c;
575	}
576	std::cout << std::endl;
577	}
578	#endif
579	}
580
581
582	/**
583	* Internal worker for parsing the elements under /DHCPServer/.
584	*
585	* @param pElmServer The DHCPServer element.
586	* @param fStrict Set if we're in strict mode, clear if we just
587	* want to get on with it if we can.
588	* @throws std::bad_alloc, ConfigFileError
589	*/
590	void Config::i_parseServer(const xml::ElementNode *pElmServer, bool fStrict)
591	{
592	/*
593	* <DHCPServer> attributes
594	*/
595	if (!pElmServer->getAttributeValue("networkName", m_strNetwork))
596	throw ConfigFileError("DHCPServer/@networkName missing");
597	if (m_strNetwork.isEmpty())
598	throw ConfigFileError("DHCPServer/@networkName is empty");
599
600	const char *pszTrunkType;
601	if (!pElmServer->getAttributeValue("trunkType", &pszTrunkType))
602	throw ConfigFileError("DHCPServer/@trunkType missing");
603	if (strcmp(pszTrunkType, "none") == 0)
604	m_enmTrunkType = kIntNetTrunkType_None;
605	else if (strcmp(pszTrunkType, "whatever") == 0)
606	m_enmTrunkType = kIntNetTrunkType_WhateverNone;
607	else if (strcmp(pszTrunkType, "netflt") == 0)
608	m_enmTrunkType = kIntNetTrunkType_NetFlt;
609	else if (strcmp(pszTrunkType, "netadp") == 0)
610	m_enmTrunkType = kIntNetTrunkType_NetAdp;
611	else
612	throw ConfigFileError("Invalid DHCPServer/@trunkType value: %s", pszTrunkType);
613
614	if ( m_enmTrunkType == kIntNetTrunkType_NetFlt
615	\|\| m_enmTrunkType == kIntNetTrunkType_NetAdp)
616	{
617	if (!pElmServer->getAttributeValue("trunkName", &m_strTrunk))
618	throw ConfigFileError("DHCPServer/@trunkName missing");
619	}
620	else
621	m_strTrunk = "";
622
623	m_strLeasesFilename = pElmServer->findAttributeValue("leasesFilename"); /* optional */
624	if (m_strLeasesFilename.isEmpty())
625	{
626	int rc = m_strLeasesFilename.assignNoThrow(getHome());
627	if (RT_SUCCESS(rc))
628	rc = RTPathAppendCxx(m_strLeasesFilename, m_strNetwork);
629	if (RT_SUCCESS(rc))
630	rc = m_strLeasesFilename.appendNoThrow("-Dhcpd.leases");
631	if (RT_FAILURE(rc))
632	throw ConfigFileError("Unexpected error constructing default m_strLeasesFilename value: %Rrc", rc);
633	RTPathPurgeFilename(RTPathFilename(m_strLeasesFilename.mutableRaw()), RTPATH_STR_F_STYLE_HOST);
634	m_strLeasesFilename.jolt();
635	}
636
637	/*
638	* Addresses and mask.
639	*/
640	::getIPv4AddrAttribute(pElmServer, "IPAddress", &m_IPv4Address);
641	::getIPv4AddrAttribute(pElmServer, "networkMask", &m_IPv4Netmask);
642	::getIPv4AddrAttribute(pElmServer, "lowerIP", &m_IPv4PoolFirst);
643	::getIPv4AddrAttribute(pElmServer, "upperIP", &m_IPv4PoolLast);
644
645	/* unicast IP address */
646	if ((m_IPv4Address.au8[0] & 0xe0) == 0xe0)
647	throw ConfigFileError("DHCP server IP address is not unicast: %RTnaipv4", m_IPv4Address.u);
648
649	/* valid netmask */
650	int cPrefixBits;
651	int rc = RTNetMaskToPrefixIPv4(&m_IPv4Netmask, &cPrefixBits);
652	if (RT_FAILURE(rc) \|\| cPrefixBits == 0)
653	throw ConfigFileError("IP mask is not valid: %RTnaipv4", m_IPv4Netmask.u);
654
655	/* first IP is from the same network */
656	if ((m_IPv4PoolFirst.u & m_IPv4Netmask.u) != (m_IPv4Address.u & m_IPv4Netmask.u))
657	throw ConfigFileError("first pool address is outside the network %RTnaipv4/%d: %RTnaipv4",
658	(m_IPv4Address.u & m_IPv4Netmask.u), cPrefixBits, m_IPv4PoolFirst.u);
659
660	/* last IP is from the same network */
661	if ((m_IPv4PoolLast.u & m_IPv4Netmask.u) != (m_IPv4Address.u & m_IPv4Netmask.u))
662	throw ConfigFileError("last pool address is outside the network %RTnaipv4/%d: %RTnaipv4\n",
663	(m_IPv4Address.u & m_IPv4Netmask.u), cPrefixBits, m_IPv4PoolLast.u);
664
665	/* the pool is valid */
666	if (RT_N2H_U32(m_IPv4PoolLast.u) < RT_N2H_U32(m_IPv4PoolFirst.u))
667	throw ConfigFileError("pool range is invalid: %RTnaipv4 - %RTnaipv4", m_IPv4PoolFirst.u, m_IPv4PoolLast.u);
668	LogRel(("IP address: %RTnaipv4/%d\n", m_IPv4Address.u, cPrefixBits));
669	LogRel(("Address pool: %RTnaipv4 - %RTnaipv4\n", m_IPv4PoolFirst.u, m_IPv4PoolLast.u));
670
671	/*
672	* <DHCPServer> children
673	*/
674	xml::NodesLoop it(*pElmServer);
675	const xml::ElementNode *pElmChild;
676	while ((pElmChild = it.forAllNodes()) != NULL)
677	{
678	/* Global options: */
679	if (pElmChild->nameEquals("Options"))
680	m_GlobalConfig.initFromXml(pElmChild, fStrict, this);
681	/* Group w/ options: */
682	else if (pElmChild->nameEquals("Group"))
683	{
684	std::unique_ptr<GroupConfig> ptrGroup(new GroupConfig());
685	ptrGroup->initFromXml(pElmChild, fStrict, this);
686	if (m_GroupConfigs.find(ptrGroup->getGroupName()) == m_GroupConfigs.end())
687	{
688	m_GroupConfigs[ptrGroup->getGroupName()] = ptrGroup.get();
689	ptrGroup.release();
690	}
691	else if (!fStrict)
692	LogRelFunc(("Ignoring duplicate group name: %s", ptrGroup->getGroupName().c_str()));
693	else
694	throw ConfigFileError("Duplicate group name: %s", ptrGroup->getGroupName().c_str());
695	}
696	/*
697	* MAC address and per VM NIC configurations:
698	*/
699	else if (pElmChild->nameEquals("Config"))
700	{
701	std::unique_ptr<HostConfig> ptrHost(new HostConfig());
702	ptrHost->initFromXml(pElmChild, fStrict, this);
703	if (m_HostConfigs.find(ptrHost->getMACAddress()) == m_HostConfigs.end())
704	{
705	m_HostConfigs[ptrHost->getMACAddress()] = ptrHost.get();
706	ptrHost.release();
707	}
708	else if (!fStrict)
709	LogRelFunc(("Ignorining duplicate MAC address (Config): %RTmac", &ptrHost->getMACAddress()));
710	else
711	throw ConfigFileError("Duplicate MAC address (Config): %RTmac", &ptrHost->getMACAddress());
712	}
713	else if (!fStrict)
714	LogRel(("Ignoring unexpected DHCPServer child: %s\n", pElmChild->getName()));
715	else
716	throw ConfigFileError("Unexpected DHCPServer child <%s>'", pElmChild->getName());
717	}
718	}
719
720
721	/**
722	* Internal worker for parsing \<Option\> elements found under
723	* /DHCPServer/Options/, /DHCPServer/Group/ and /DHCPServer/Config/.
724	*
725	* @param pElmOption An \<Option\> element.
726	* @throws std::bad_alloc, ConfigFileError
727	*/
728	void ConfigLevelBase::i_parseOption(const xml::ElementNode *pElmOption)
729	{
730	/* The 'name' attribute: */
731	const char *pszName;
732	if (!pElmOption->getAttributeValue("name", &pszName))
733	throw ConfigFileError(pElmOption, "missing option name");
734
735	uint8_t u8Opt;
736	int rc = RTStrToUInt8Full(pszName, 10, &u8Opt);
737	if (rc != VINF_SUCCESS) /* no warnings either */
738	throw ConfigFileError(pElmOption, "Bad option name '%s': %Rrc", pszName, rc);
739
740	/* The opional 'encoding' attribute: */
741	uint32_t u32Enc = 0; /* XXX: DHCPOptionEncoding_Normal */
742	const char *pszEncoding;
743	if (pElmOption->getAttributeValue("encoding", &pszEncoding))
744	{
745	rc = RTStrToUInt32Full(pszEncoding, 10, &u32Enc);
746	if (rc != VINF_SUCCESS) /* no warnings either */
747	throw ConfigFileError(pElmOption, "Bad option encoding '%s': %Rrc", pszEncoding, rc);
748
749	switch (u32Enc)
750	{
751	case 0: /* XXX: DHCPOptionEncoding_Normal */
752	case 1: /* XXX: DHCPOptionEncoding_Hex */
753	break;
754	default:
755	throw ConfigFileError(pElmOption, "Unknown encoding '%s'", pszEncoding);
756	}
757	}
758
759	/* The 'value' attribute. May be omitted for OptNoValue options like rapid commit. */
760	const char *pszValue;
761	if (!pElmOption->getAttributeValue("value", &pszValue))
762	pszValue = "";
763
764	/** @todo XXX: TODO: encoding, handle hex */
765	DhcpOption *opt = DhcpOption::parse(u8Opt, u32Enc, pszValue);
766	if (opt == NULL)
767	throw ConfigFileError(pElmOption, "Bad option '%s' (encoding %u): '%s' ", pszName, u32Enc, pszValue ? pszValue : "");
768
769	/* Add it to the map: */
770	m_Options << opt;
771	}
772
773
774	/**
775	* Final children parser, handling only \<Option\> and barfing at anything else.
776	*
777	* @param pElmChild The child element to handle.
778	* @param fStrict Set if we're in strict mode, clear if we just
779	* want to get on with it if we can.
780	* @param pConfig The configuration object.
781	* @throws std::bad_alloc, ConfigFileError
782	*/
783	void ConfigLevelBase::i_parseChild(const xml::ElementNode pElmChild, bool fStrict, Config const pConfig)
784	{
785	if (pElmChild->nameEquals("Option"))
786	{
787	try
788	{
789	i_parseOption(pElmChild);
790	}
791	catch (ConfigFileError &rXcpt)
792	{
793	if (fStrict)
794	throw rXcpt;
795	LogRelFunc(("Ignoring option: %s\n", rXcpt.what()));
796	}
797	}
798	else if (!fStrict)
799	{
800	ConfigFileError Dummy(pElmChild->getParent(), "Unexpected child '%s'", pElmChild->getName());
801	LogRelFunc(("%s\n", Dummy.what()));
802	}
803	else
804	throw ConfigFileError(pElmChild->getParent(), "Unexpected child '%s'", pElmChild->getName());
805	RT_NOREF(pConfig);
806	}
807
808
809	/**
810	* Base class initialization taking a /DHCPServer/Options, /DHCPServer/Group or
811	* /DHCPServer/Config element as input and handling common attributes as well as
812	* any \<Option\> children.
813	*
814	* @param pElmConfig The configuration element to parse.
815	* @param fStrict Set if we're in strict mode, clear if we just
816	* want to get on with it if we can.
817	* @param pConfig The configuration object.
818	* @throws std::bad_alloc, ConfigFileError
819	*/
820	void ConfigLevelBase::initFromXml(const xml::ElementNode pElmConfig, bool fStrict, Config const pConfig)
821	{
822	/*
823	* Common attributes:
824	*/
825	if (!pElmConfig->getAttributeValue("secMinLeaseTime", &m_secMinLeaseTime))
826	m_secMinLeaseTime = 0;
827	if (!pElmConfig->getAttributeValue("secDefaultLeaseTime", &m_secDefaultLeaseTime))
828	m_secDefaultLeaseTime = 0;
829	if (!pElmConfig->getAttributeValue("secMaxLeaseTime", &m_secMaxLeaseTime))
830	m_secMaxLeaseTime = 0;
831
832	/* Swap min and max if max is smaller: */
833	if (m_secMaxLeaseTime < m_secMinLeaseTime && m_secMinLeaseTime && m_secMaxLeaseTime)
834	{
835	LogRel(("Swapping min/max lease times: %u <-> %u\n", m_secMinLeaseTime, m_secMaxLeaseTime));
836	uint32_t uTmp = m_secMaxLeaseTime;
837	m_secMaxLeaseTime = m_secMinLeaseTime;
838	m_secMinLeaseTime = uTmp;
839	}
840
841	/*
842	* Parse children.
843	*/
844	xml::NodesLoop it(*pElmConfig);
845	const xml::ElementNode *pElmChild;
846	while ((pElmChild = it.forAllNodes()) != NULL)
847	i_parseChild(pElmChild, fStrict, pConfig);
848	}
849
850
851	/**
852	* Internal worker for parsing the elements under /DHCPServer/Options/.
853	*
854	* @param pElmOptions The <Options> element.
855	* @param fStrict Set if we're in strict mode, clear if we just
856	* want to get on with it if we can.
857	* @param pConfig The configuration object.
858	* @throws std::bad_alloc, ConfigFileError
859	*/
860	void GlobalConfig::initFromXml(const xml::ElementNode pElmOptions, bool fStrict, Config const pConfig)
861	{
862	ConfigLevelBase::initFromXml(pElmOptions, fStrict, pConfig);
863
864	/*
865	* Resolve defaults here in the global config so we don't have to do this
866	* in Db::allocateBinding() for every lease request.
867	*/
868	if (m_secMaxLeaseTime == 0 && m_secDefaultLeaseTime == 0 && m_secMinLeaseTime == 0)
869	{
870	m_secMinLeaseTime = 300; /* 5 min */
871	m_secDefaultLeaseTime = 600; /* 10 min */
872	m_secMaxLeaseTime = 12 * RT_SEC_1HOUR; /* 12 hours */
873	}
874	else
875	{
876	if (m_secDefaultLeaseTime == 0)
877	{
878	if (m_secMaxLeaseTime != 0)
879	m_secDefaultLeaseTime = RT_MIN(RT_MAX(m_secMinLeaseTime, 600), m_secMaxLeaseTime);
880	else
881	{
882	m_secDefaultLeaseTime = RT_MAX(m_secMinLeaseTime, 600);
883	m_secMaxLeaseTime = RT_MAX(m_secDefaultLeaseTime, 12 * RT_SEC_1HOUR);
884	}
885	}
886	if (m_secMaxLeaseTime == 0)
887	m_secMaxLeaseTime = RT_MAX(RT_MAX(m_secMinLeaseTime, m_secDefaultLeaseTime), 12 * RT_SEC_1HOUR);
888	if (m_secMinLeaseTime == 0)
889	m_secMinLeaseTime = RT_MIN(300, m_secDefaultLeaseTime);
890	}
891
892	}
893
894
895	/**
896	* Overrides base class to handle the condition elements under \<Group\>.
897	*
898	* @param pElmChild The child element.
899	* @param fStrict Set if we're in strict mode, clear if we just
900	* want to get on with it if we can.
901	* @param pConfig The configuration object.
902	* @throws std::bad_alloc, ConfigFileError
903	*/
904	void GroupConfig::i_parseChild(const xml::ElementNode pElmChild, bool fStrict, Config const pConfig)
905	{
906	/*
907	* Match the condition
908	*/
909	std::unique_ptr<GroupCondition> ptrCondition;
910	if (pElmChild->nameEquals("ConditionMAC"))
911	ptrCondition.reset(new GroupConditionMAC());
912	else if (pElmChild->nameEquals("ConditionMACWildcard"))
913	ptrCondition.reset(new GroupConditionMACWildcard());
914	else if (pElmChild->nameEquals("ConditionVendorClassID"))
915	ptrCondition.reset(new GroupConditionVendorClassID());
916	else if (pElmChild->nameEquals("ConditionVendorClassIDWildcard"))
917	ptrCondition.reset(new GroupConditionVendorClassIDWildcard());
918	else if (pElmChild->nameEquals("ConditionUserClassID"))
919	ptrCondition.reset(new GroupConditionUserClassID());
920	else if (pElmChild->nameEquals("ConditionUserClassIDWildcard"))
921	ptrCondition.reset(new GroupConditionUserClassIDWildcard());
922	else
923	{
924	/*
925	* Not a condition, pass it on to the base class.
926	*/
927	ConfigLevelBase::i_parseChild(pElmChild, fStrict, pConfig);
928	return;
929	}
930
931	/*
932	* Get the attributes and initialize the condition.
933	*/
934	bool fInclusive;
935	if (!pElmChild->getAttributeValue("inclusive", fInclusive))
936	fInclusive = true;
937	const char *pszValue = pElmChild->findAttributeValue("value");
938	if (pszValue && *pszValue)
939	{
940	int rc = ptrCondition->initCondition(pszValue, fInclusive);
941	if (RT_SUCCESS(rc))
942	{
943	/*
944	* Add it to the appropriate vector.
945	*/
946	if (fInclusive)
947	m_Inclusive.push_back(ptrCondition.release());
948	else
949	m_Exclusive.push_back(ptrCondition.release());
950	}
951	else
952	{
953	ConfigFileError Xcpt(pElmChild, "initCondition failed with %Rrc for '%s' and %RTbool", rc, pszValue, fInclusive);
954	if (!fStrict)
955	LogRelFunc(("%s, ignoring condition\n", Xcpt.what()));
956	else
957	throw ConfigFileError(Xcpt);
958	}
959	}
960	else
961	{
962	ConfigFileError Xcpt(pElmChild, "condition value is empty or missing (inclusive=%RTbool)", fInclusive);
963	if (fStrict)
964	throw Xcpt;
965	LogRelFunc(("%s, ignoring condition\n", Xcpt.what()));
966	}
967	}
968
969
970	/**
971	* Internal worker for parsing the elements under /DHCPServer/Group/.
972	*
973	* @param pElmGroup The \<Group\> element.
974	* @param fStrict Set if we're in strict mode, clear if we just
975	* want to get on with it if we can.
976	* @param pConfig The configuration object.
977	* @throws std::bad_alloc, ConfigFileError
978	*/
979	void GroupConfig::initFromXml(const xml::ElementNode pElmGroup, bool fStrict, Config const pConfig)
980	{
981	/*
982	* Attributes:
983	*/
984	if (!pElmGroup->getAttributeValue("name", m_strName) \|\| m_strName.isEmpty())
985	{
986	if (fStrict)
987	throw ConfigFileError(pElmGroup, "Group as no name or the name is empty");
988	m_strName.printf("Group#%u", s_uGroupNo++);
989	}
990
991	/*
992	* Do common initialization (including children).
993	*/
994	ConfigLevelBase::initFromXml(pElmGroup, fStrict, pConfig);
995	}
996
997
998	/**
999	* Internal worker for parsing the elements under /DHCPServer/Config/.
1000	*
1001	* VM Config entries are generated automatically from VirtualBox.xml
1002	* with the MAC fetched from the VM config. The client id is nowhere
1003	* in the picture there, so VM config is indexed with plain RTMAC, not
1004	* ClientId (also see getOptions below).
1005	*
1006	* @param pElmConfig The \<Config\> element.
1007	* @param fStrict Set if we're in strict mode, clear if we just
1008	* want to get on with it if we can.
1009	* @param pConfig The configuration object (for netmask).
1010	* @throws std::bad_alloc, ConfigFileError
1011	*/
1012	void HostConfig::initFromXml(const xml::ElementNode pElmConfig, bool fStrict, Config const pConfig)
1013	{
1014	/*
1015	* Attributes:
1016	*/
1017	/* The MAC address: */
1018	::getMacAddressAttribute(pElmConfig, "MACAddress", &m_MACAddress);
1019
1020	/* Name - optional: */
1021	if (!pElmConfig->getAttributeValue("name", m_strName))
1022	m_strName.printf("MAC:%RTmac", m_MACAddress);
1023
1024	/* Fixed IP address assignment - optional: */
1025	const char *pszFixedAddress = pElmConfig->findAttributeValue("fixedAddress");
1026	if (!pszFixedAddress \|\| *RTStrStripL(pszFixedAddress) == '\0')
1027	m_fHaveFixedAddress = false;
1028	else
1029	{
1030	::getIPv4AddrAttribute(pElmConfig, "fixedAddress", &m_FixedAddress);
1031	if (pConfig->isInIPv4Network(m_FixedAddress))
1032	m_fHaveFixedAddress = true;
1033	else
1034	{
1035	ConfigFileError Xcpt(pElmConfig, "fixedAddress '%s' is not the DHCP network", pszFixedAddress);
1036	if (fStrict)
1037	throw Xcpt;
1038	LogRelFunc(("%s - ignoring the fixed address assignment\n", Xcpt.what()));
1039	m_fHaveFixedAddress = false;
1040	}
1041	}
1042
1043	/*
1044	* Do common initialization.
1045	*/
1046	ConfigLevelBase::initFromXml(pElmConfig, fStrict, pConfig);
1047	}
1048
1049
1050	/**
1051	* Assembles a list of hosts with fixed address assignments.
1052	*
1053	* @returns IPRT status code.
1054	* @param a_rRetConfigs Where to return the configurations.
1055	*/
1056	int Config::getFixedAddressConfigs(HostConfigVec &a_rRetConfigs) const
1057	{
1058	for (HostConfigMap::const_iterator it = m_HostConfigs.begin(); it != m_HostConfigs.end(); ++it)
1059	{
1060	HostConfig const *pHostConfig = it->second;
1061	if (pHostConfig->haveFixedAddress())
1062	try
1063	{
1064	a_rRetConfigs.push_back(pHostConfig);
1065	}
1066	catch (std::bad_alloc &)
1067	{
1068	return VERR_NO_MEMORY;
1069	}
1070	}
1071	return VINF_SUCCESS;
1072	}
1073
1074
1075	/**
1076	* Assembles a priorities vector of configurations for the client.
1077	*
1078	* @returns a_rRetConfigs for convenience.
1079	* @param a_rRetConfigs Where to return the configurations.
1080	* @param a_ridClient The client ID.
1081	* @param a_ridVendorClass The vendor class ID if present.
1082	* @param a_ridUserClass The user class ID if present
1083	*/
1084	Config::ConfigVec &Config::getConfigsForClient(Config::ConfigVec &a_rRetConfigs, const ClientId &a_ridClient,
1085	const OptVendorClassId &a_ridVendorClass,
1086	const OptUserClassId &a_ridUserClass) const
1087	{
1088	/* Host specific config first: */
1089	HostConfigMap::const_iterator itHost = m_HostConfigs.find(a_ridClient.mac());
1090	if (itHost != m_HostConfigs.end())
1091	a_rRetConfigs.push_back(itHost->second);
1092
1093	/* Groups: */
1094	for (GroupConfigMap::const_iterator itGrp = m_GroupConfigs.begin(); itGrp != m_GroupConfigs.end(); ++itGrp)
1095	if (itGrp->second->match(a_ridClient, a_ridVendorClass, a_ridUserClass))
1096	a_rRetConfigs.push_back(itGrp->second);
1097
1098	/* Global: */
1099	a_rRetConfigs.push_back(&m_GlobalConfig);
1100
1101	return a_rRetConfigs;
1102	}
1103
1104
1105	/**
1106	* Method used by DHCPD to assemble a list of options for the client.
1107	*
1108	* @returns a_rRetOpts for convenience
1109	* @param a_rRetOpts Where to put the requested options.
1110	* @param a_rReqOpts The requested options.
1111	* @param a_rConfigs Relevant configurations returned by
1112	* Config::getConfigsForClient().
1113	*
1114	* @throws std::bad_alloc
1115	*/
1116	optmap_t &Config::getOptionsForClient(optmap_t &a_rRetOpts, const OptParameterRequest &a_rReqOpts, ConfigVec &a_rConfigs) const
1117	{
1118	/*
1119	* Always supply the subnet:
1120	*/
1121	a_rRetOpts << new OptSubnetMask(m_IPv4Netmask);
1122
1123	/** @todo If a_rReqOpts is not present, provide the sum of all options in
1124	* a_rConfigs like ics says it does. */
1125	/** @todo Look thru a_rConfigs for forced options, maybe we do it by using
1126	* DHCP option 55, and merging these into a_rReqOpts. */
1127	/** @todo Have a way to mute options, i.e. break out of the inner search
1128	* loop below. Maybe using 'Suppress' encoding? */
1129
1130	/*
1131	* Try provide the requested options:
1132	*/
1133	const OptParameterRequest::value_t &reqValue = a_rReqOpts.value();
1134	for (octets_t::const_iterator itOptReq = reqValue.begin(); itOptReq != reqValue.end(); ++itOptReq)
1135	{
1136	uint8_t bOptReq = *itOptReq;
1137	LogRel2((">>> requested option %d (%#x)\n", bOptReq, bOptReq));
1138
1139	if (bOptReq != OptSubnetMask::optcode)
1140	{
1141	bool fFound = false;
1142	for (size_t i = 0; i < a_rConfigs.size(); i++)
1143	{
1144	optmap_t::const_iterator itFound;
1145	if (a_rConfigs[i]->findOption(bOptReq, itFound)) /* crap interface */
1146	{
1147	LogRel2(("... found in %s (type %s)\n", a_rConfigs[i]->getName(), a_rConfigs[i]->getType()));
1148	a_rRetOpts << itFound->second;
1149	fFound = true;
1150	break;
1151	}
1152	}
1153	if (!fFound)
1154	LogRel3(("... not found\n"));
1155	}
1156	else
1157	LogRel2(("... always supplied\n"));
1158	}
1159
1160
1161	#if 0 /* bird disabled this as it looks dubious and testing only. */
1162	/** @todo XXX: testing ... */
1163	if (vmopts != NULL)
1164	{
1165	for (optmap_t::const_iterator it = vmopts->begin(); it != vmopts->end(); ++it)
1166	{
1167	std::shared_ptr<DhcpOption> opt(it->second);
1168	if (a_rRetOpts.count(opt->optcode()) == 0 && opt->optcode() > 127)
1169	{
1170	a_rRetOpts << opt;
1171	LogRel2(("... forcing VM option %d (%#x)\n", opt->optcode(), opt->optcode()));
1172	}
1173	}
1174	}
1175
1176	for (optmap_t::const_iterator it = m_GlobalOptions.begin(); it != m_GlobalOptions.end(); ++it)
1177	{
1178	std::shared_ptr<DhcpOption> opt(it->second);
1179	if (a_rRetOpts.count(opt->optcode()) == 0 && opt->optcode() > 127)
1180	{
1181	a_rRetOpts << opt;
1182	LogRel2(("... forcing global option %d (%#x)", opt->optcode(), opt->optcode()));
1183	}
1184	}
1185	#endif
1186
1187	return a_rRetOpts;
1188	}
1189
1190
1191
1192	/*********************************************************************************************************************************
1193	* Group Condition Matching *
1194	*********************************************************************************************************************************/
1195
1196	bool GroupConfig::match(const ClientId &a_ridClient, const OptVendorClassId &a_ridVendorClass,
1197	const OptUserClassId &a_ridUserClass) const
1198	{
1199	/*
1200	* Check the inclusive ones first, only one need to match.
1201	*/
1202	for (GroupConditionVec::const_iterator itIncl = m_Inclusive.begin(); itIncl != m_Inclusive.end(); ++itIncl)
1203	if ((*itIncl)->match(a_ridClient, a_ridVendorClass, a_ridUserClass))
1204	{
1205	/*
1206	* Now make sure it isn't excluded by any of the exclusion condition.
1207	*/
1208	for (GroupConditionVec::const_iterator itExcl = m_Exclusive.begin(); itExcl != m_Exclusive.end(); ++itExcl)
1209	if ((*itIncl)->match(a_ridClient, a_ridVendorClass, a_ridUserClass))
1210	return false;
1211	return true;
1212	}
1213
1214	return false;
1215	}
1216
1217
1218	int GroupCondition::initCondition(const char *a_pszValue, bool a_fInclusive)
1219	{
1220	m_fInclusive = a_fInclusive;
1221	return m_strValue.assignNoThrow(a_pszValue);
1222	}
1223
1224
1225	bool GroupCondition::matchClassId(bool a_fPresent, const std::vector<uint8_t> &a_rBytes, bool fWildcard) const RT_NOEXCEPT
1226	{
1227	if (a_fPresent)
1228	{
1229	size_t const cbBytes = a_rBytes.size();
1230	if (cbBytes > 0)
1231	{
1232	if (a_rBytes[cbBytes - 1] == '\0')
1233	{
1234	uint8_t const *pb = &a_rBytes.front();
1235	if (!fWildcard)
1236	return m_strValue.equals((const char *)pb);
1237	return RTStrSimplePatternMatch(m_strValue.c_str(), (const char *)pb);
1238	}
1239
1240	if (cbBytes <= 255)
1241	{
1242	char szTmp[256];
1243	memcpy(szTmp, &a_rBytes.front(), cbBytes);
1244	szTmp[cbBytes] = '\0';
1245	if (!fWildcard)
1246	return m_strValue.equals(szTmp);
1247	return RTStrSimplePatternMatch(m_strValue.c_str(), szTmp);
1248	}
1249	}
1250	}
1251	return false;
1252
1253	}
1254
1255
1256	int GroupConditionMAC::initCondition(const char *a_pszValue, bool a_fInclusive)
1257	{
1258	int vrc = RTNetStrToMacAddr(a_pszValue, &m_MACAddress);
1259	if (RT_SUCCESS(vrc))
1260	return GroupCondition::initCondition(a_pszValue, a_fInclusive);
1261	return vrc;
1262	}
1263
1264
1265	bool GroupConditionMAC::match(const ClientId &a_ridClient, const OptVendorClassId &a_ridVendorClass,
1266	const OptUserClassId &a_ridUserClass) const RT_NOEXCEPT
1267	{
1268	RT_NOREF(a_ridVendorClass, a_ridUserClass);
1269	return a_ridClient.mac() == m_MACAddress;
1270	}
1271
1272
1273	bool GroupConditionMACWildcard::match(const ClientId &a_ridClient, const OptVendorClassId &a_ridVendorClass,
1274	const OptUserClassId &a_ridUserClass) const RT_NOEXCEPT
1275	{
1276	RT_NOREF(a_ridVendorClass, a_ridUserClass);
1277	char szTmp[32];
1278	RTStrPrintf(szTmp, sizeof(szTmp), "%RTmac", &a_ridClient.mac());
1279	return RTStrSimplePatternMatch(m_strValue.c_str(), szTmp);
1280	}
1281
1282
1283	bool GroupConditionVendorClassID::match(const ClientId &a_ridClient, const OptVendorClassId &a_ridVendorClass,
1284	const OptUserClassId &a_ridUserClass) const RT_NOEXCEPT
1285	{
1286	RT_NOREF(a_ridClient, a_ridUserClass);
1287	return matchClassId(a_ridVendorClass.present(), a_ridVendorClass.value());
1288	}
1289
1290
1291	bool GroupConditionVendorClassIDWildcard::match(const ClientId &a_ridClient, const OptVendorClassId &a_ridVendorClass,
1292	const OptUserClassId &a_ridUserClass) const RT_NOEXCEPT
1293	{
1294	RT_NOREF(a_ridClient, a_ridUserClass);
1295	return matchClassId(a_ridVendorClass.present(), a_ridVendorClass.value(), true /fWildcard/);
1296	}
1297
1298
1299	bool GroupConditionUserClassID::match(const ClientId &a_ridClient, const OptVendorClassId &a_ridVendorClass,
1300	const OptUserClassId &a_ridUserClass) const RT_NOEXCEPT
1301	{
1302	RT_NOREF(a_ridClient, a_ridVendorClass);
1303	return matchClassId(a_ridVendorClass.present(), a_ridUserClass.value());
1304	}
1305
1306
1307	bool GroupConditionUserClassIDWildcard::match(const ClientId &a_ridClient, const OptVendorClassId &a_ridVendorClass,
1308	const OptUserClassId &a_ridUserClass) const RT_NOEXCEPT
1309	{
1310	RT_NOREF(a_ridClient, a_ridVendorClass);
1311	return matchClassId(a_ridVendorClass.present(), a_ridUserClass.value(), true /fWildcard/);
1312	}
1313

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source: vbox/trunk/src/VBox/NetworkServices/Dhcpd/Config.cpp@ 79824

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