store.cpp@ 96407

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1	/* $Id: store.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* IPRT - Cryptographic (Certificate) Store.
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* The contents of this file may alternatively be used under the terms
26	* of the Common Development and Distribution License Version 1.0
27	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28	* in the VirtualBox distribution, in which case the provisions of the
29	* CDDL are applicable instead of those of the GPL.
30	*
31	* You may elect to license modified versions of this file under the
32	* terms and conditions of either the GPL or the CDDL or both.
33	*
34	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35	*/
36
37
38	/*********************************************************************************************************************************
39	* Header Files *
40	*********************************************************************************************************************************/
41	#include "internal/iprt.h"
42	#include <iprt/crypto/store.h>
43
44	#include <iprt/asm.h>
45	#include <iprt/err.h>
46	#include <iprt/mem.h>
47	#include <iprt/string.h>
48
49	#include <iprt/crypto/pkcs7.h>
50	#include <iprt/crypto/x509.h>
51
52	#ifdef IPRT_WITH_OPENSSL
53	# include "internal/openssl-pre.h"
54	# include <openssl/x509.h>
55	# include "internal/openssl-post.h"
56	#endif
57
58	#include "store-internal.h"
59
60
61	/*********************************************************************************************************************************
62	* Structures and Typedefs *
63	*********************************************************************************************************************************/
64	/**
65	* Internal representation of a (certificate,++) store.
66	*/
67	typedef struct RTCRSTOREINT
68	{
69	/** Magic number (RTCRSTOREINT_MAGIC). */
70	uint32_t u32Magic;
71	/** Reference counter. */
72	uint32_t volatile cRefs;
73	/** Pointer to the store provider. */
74	PCRTCRSTOREPROVIDER pProvider;
75	/** Provider specific data. */
76	void *pvProvider;
77	} RTCRSTOREINT;
78	/** Pointer to the internal representation of a store. */
79	typedef RTCRSTOREINT *PRTCRSTOREINT;
80
81	/** Magic value for RTCRSTOREINT::u32Magic (Alfred Dillwyn "Dilly" Knox). */
82	#define RTCRSTOREINT_MAGIC UINT32_C(0x18840723)
83	/** Dead magic value for RTCRSTOREINT::u32Magic. */
84	#define RTCRSTOREINT_MAGIC_DEAD UINT32_C(0x19430227)
85
86
87
88	/**
89	* Internal method a store provider uses to create a store handle.
90	*
91	* @returns IPRT status code
92	* @param pProvider Pointer to the store provider callback table.
93	* @param pvProvider Pointer to the provider specific instance data.
94	* @param phStore Where to return the store handle.
95	*/
96	DECLHIDDEN(int) rtCrStoreCreate(PCRTCRSTOREPROVIDER pProvider, void *pvProvider, PRTCRSTORE phStore)
97	{
98	PRTCRSTOREINT pThis = (PRTCRSTOREINT)RTMemAlloc(sizeof(*pThis));
99	if (pThis)
100	{
101	pThis->pvProvider = pvProvider;
102	pThis->pProvider = pProvider;
103	pThis->cRefs = 1;
104	pThis->u32Magic = RTCRSTOREINT_MAGIC;
105	*phStore = pThis;
106	return VINF_SUCCESS;
107	}
108	return VERR_NO_MEMORY;
109	}
110
111
112	/**
113	* For the parent forwarding of the in-memory store.
114	*/
115	DECLHIDDEN(PCRTCRSTOREPROVIDER) rtCrStoreGetProvider(RTCRSTORE hStore, void **ppvProvider)
116	{
117	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
118	AssertPtrReturn(pThis, NULL);
119	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, NULL);
120	*ppvProvider = pThis->pvProvider;
121	return pThis->pProvider;
122	}
123
124
125	RTDECL(uint32_t) RTCrStoreRetain(RTCRSTORE hStore)
126	{
127	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
128	AssertPtrReturn(pThis, UINT32_MAX);
129	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, UINT32_MAX);
130
131	uint32_t cRet = ASMAtomicIncU32(&pThis->cRefs);
132	Assert(cRet < 8192);
133	return cRet;
134	}
135
136
137	RTDECL(uint32_t) RTCrStoreRelease(RTCRSTORE hStore)
138	{
139	if (hStore == NIL_RTCRSTORE)
140	return 0;
141
142	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
143	AssertPtrReturn(pThis, UINT32_MAX);
144	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, UINT32_MAX);
145
146	uint32_t cStore = ASMAtomicDecU32(&pThis->cRefs);
147	if (!cStore)
148	{
149	ASMAtomicWriteU32(&pThis->u32Magic, RTCRSTOREINT_MAGIC_DEAD);
150	pThis->pProvider->pfnDestroyStore(pThis->pvProvider);
151	RTMemFree(pThis);
152	}
153	return cStore;
154	}
155
156
157	RTDECL(PCRTCRCERTCTX) RTCrStoreCertByIssuerAndSerialNo(RTCRSTORE hStore, PCRTCRX509NAME pIssuer, PCRTASN1INTEGER pSerialNo)
158	{
159	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
160	AssertPtrReturn(pThis, NULL);
161	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, NULL);
162	AssertPtrReturn(pIssuer, NULL);
163
164	int rc;
165	RTCRSTORECERTSEARCH Search;
166	if (pThis->pProvider->pfnCertFindByIssuerAndSerialNo)
167	rc = pThis->pProvider->pfnCertFindByIssuerAndSerialNo(pThis->pvProvider, pIssuer, pSerialNo, &Search);
168	else
169	rc = pThis->pProvider->pfnCertFindAll(pThis->pvProvider, &Search);
170
171	PCRTCRCERTCTX pCertCtx = NULL;
172	if (RT_SUCCESS(rc))
173	{
174	for (;;)
175	{
176	pCertCtx = pThis->pProvider->pfnCertSearchNext(pThis->pvProvider, &Search);
177	if (!pCertCtx)
178	break;
179
180	if ( pCertCtx->pCert
181	&& RTCrX509Certificate_MatchIssuerAndSerialNumber(pCertCtx->pCert, pIssuer, pSerialNo))
182	break;
183	RTCrCertCtxRelease(pCertCtx);
184	}
185
186	pThis->pProvider->pfnCertSearchDestroy(pThis->pvProvider, &Search);
187	}
188	else
189	AssertMsg(rc == VERR_NOT_FOUND, ("%Rrc\n", rc));
190	return pCertCtx;
191	}
192
193
194	RTDECL(int) RTCrStoreCertAddEncoded(RTCRSTORE hStore, uint32_t fFlags, void const *pvSrc, size_t cbSrc, PRTERRINFO pErrInfo)
195	{
196	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
197	AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
198	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, VERR_INVALID_HANDLE);
199	AssertPtrReturn(pvSrc, VERR_INVALID_POINTER);
200	AssertReturn(cbSrc > 16 && cbSrc < _1M, VERR_OUT_OF_RANGE);
201	AssertReturn(!(fFlags & ~(RTCRCERTCTX_F_ADD_IF_NOT_FOUND \| RTCRCERTCTX_F_ENC_MASK)), VERR_INVALID_FLAGS);
202	AssertMsgReturn( (fFlags & RTCRCERTCTX_F_ENC_MASK) == RTCRCERTCTX_F_ENC_X509_DER
203	\|\| (fFlags & RTCRCERTCTX_F_ENC_MASK) == RTCRCERTCTX_F_ENC_TAF_DER
204	, ("Only X.509 and TAF DER supported: %#x\n", fFlags), VERR_INVALID_FLAGS);
205
206	int rc;
207	if (pThis->pProvider->pfnCertAddEncoded)
208	rc = pThis->pProvider->pfnCertAddEncoded(pThis->pvProvider, fFlags, (uint8_t const *)pvSrc, (uint32_t)cbSrc, pErrInfo);
209	else
210	rc = VERR_WRITE_PROTECT;
211
212	return rc;
213	}
214
215
216	RTDECL(int) RTCrStoreCertAddX509(RTCRSTORE hStore, uint32_t fFlags, PRTCRX509CERTIFICATE pCertificate, PRTERRINFO pErrInfo)
217	{
218	/*
219	* Validate.
220	*/
221	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
222	AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
223	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, VERR_INVALID_HANDLE);
224
225	AssertPtrReturn(pCertificate, VERR_INVALID_POINTER);
226	AssertReturn(RTCrX509Certificate_IsPresent(pCertificate), VERR_INVALID_PARAMETER);
227	int rc = RTCrX509Certificate_CheckSanity(pCertificate, 0, pErrInfo, "Cert");
228	AssertRCReturn(rc, rc);
229
230	AssertReturn(!(fFlags & ~(RTCRCERTCTX_F_ADD_IF_NOT_FOUND \| RTCRCERTCTX_F_ENC_MASK)), VERR_INVALID_FLAGS);
231	AssertCompile(RTCRCERTCTX_F_ENC_X509_DER == 0);
232	AssertMsgReturn((fFlags & RTCRCERTCTX_F_ENC_MASK) == RTCRCERTCTX_F_ENC_X509_DER,
233	("Invalid encoding: %#x\n", fFlags), VERR_INVALID_FLAGS);
234
235	/*
236	* Encode and add it using pfnCertAddEncoded.
237	*/
238	if (pThis->pProvider->pfnCertAddEncoded)
239	{
240	PRTASN1CORE pCore = RTCrX509Certificate_GetAsn1Core(pCertificate);
241	uint32_t cbEncoded = 0;
242	rc = RTAsn1EncodePrepare(pCore, RTASN1ENCODE_F_DER, &cbEncoded, pErrInfo);
243	if (RT_SUCCESS(rc))
244	{
245	uint8_t * const pbEncoded = (uint8_t *)RTMemTmpAllocZ(cbEncoded);
246	if (pbEncoded)
247	{
248	rc = RTAsn1EncodeToBuffer(pCore, RTASN1ENCODE_F_DER, pbEncoded, cbEncoded, pErrInfo);
249	if (RT_SUCCESS(rc))
250	rc = pThis->pProvider->pfnCertAddEncoded(pThis->pvProvider, fFlags, pbEncoded, cbEncoded, pErrInfo);
251	RTMemTmpFree(pbEncoded);
252	}
253	else
254	rc = VERR_NO_TMP_MEMORY;
255	}
256	}
257	else
258	rc = VERR_WRITE_PROTECT;
259
260	return rc;
261	}
262
263
264	RTDECL(int) RTCrStoreCertAddPkcs7(RTCRSTORE hStore, uint32_t fFlags, PRTCRPKCS7CERT pCertificate, PRTERRINFO pErrInfo)
265	{
266	AssertPtrReturn(pCertificate, VERR_INVALID_POINTER);
267	AssertReturn(RTCrPkcs7Cert_IsPresent(pCertificate), VERR_INVALID_PARAMETER);
268	switch (pCertificate->enmChoice)
269	{
270	case RTCRPKCS7CERTCHOICE_X509:
271	return RTCrStoreCertAddX509(hStore, fFlags, pCertificate->u.pX509Cert, pErrInfo);
272
273	case RTCRPKCS7CERTCHOICE_EXTENDED_PKCS6:
274	return RTErrInfoSetF(pErrInfo, VERR_NOT_IMPLEMENTED, "RTCrStoreCertAddPkcs7 does not implement EXTENDED_PKCS6");
275	case RTCRPKCS7CERTCHOICE_AC_V1:
276	return RTErrInfoSetF(pErrInfo, VERR_NOT_IMPLEMENTED, "RTCrStoreCertAddPkcs7 does not implement AC_V1");
277	case RTCRPKCS7CERTCHOICE_AC_V2:
278	return RTErrInfoSetF(pErrInfo, VERR_NOT_IMPLEMENTED, "RTCrStoreCertAddPkcs7 does not implement AC_V2");
279	case RTCRPKCS7CERTCHOICE_OTHER:
280	return RTErrInfoSetF(pErrInfo, VERR_NOT_IMPLEMENTED, "RTCrStoreCertAddPkcs7 does not implement OTHER");
281	case RTCRPKCS7CERTCHOICE_END:
282	case RTCRPKCS7CERTCHOICE_INVALID:
283	case RTCRPKCS7CERTCHOICE_32BIT_HACK:
284	break;
285	/* no default */
286	}
287	return RTErrInfoSetF(pErrInfo, VERR_INVALID_PARAMETER, "Invalid RTCRPKCS7CERT enmChoice value: %d", pCertificate->enmChoice);
288	}
289
290
291	/*
292	* Searching.
293	* Searching.
294	* Searching.
295	*/
296
297	RTDECL(int) RTCrStoreCertFindAll(RTCRSTORE hStore, PRTCRSTORECERTSEARCH pSearch)
298	{
299	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
300	AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
301	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, VERR_INVALID_HANDLE);
302	AssertPtrReturn(pSearch, VERR_INVALID_POINTER);
303
304	return pThis->pProvider->pfnCertFindAll(pThis->pvProvider, pSearch);
305	}
306
307
308	/** Indicator for RTCrStoreCertFindBySubjectOrAltSubjectByRfc5280 searches
309	* implemented by this front-end code. */
310	#define RTCRSTORECERTSEARCH_BY_SUBECT_OR_ALT_SUBJECT_BY_RFC5280 UINT32_C(0x5be9145d)
311
312	RTDECL(int) RTCrStoreCertFindBySubjectOrAltSubjectByRfc5280(RTCRSTORE hStore, PCRTCRX509NAME pSubject,
313	PRTCRSTORECERTSEARCH pSearch)
314	{
315	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
316	AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
317	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, VERR_INVALID_HANDLE);
318	AssertPtrReturn(pSearch, VERR_INVALID_POINTER);
319
320	int rc = pThis->pProvider->pfnCertFindAll(pThis->pvProvider, pSearch);
321	if (RT_SUCCESS(rc))
322	{
323	pSearch->auOpaque[2] = RTCRSTORECERTSEARCH_BY_SUBECT_OR_ALT_SUBJECT_BY_RFC5280;
324	pSearch->auOpaque[3] = (uintptr_t)pSubject;
325	}
326	return rc;
327	}
328
329
330	RTDECL(PCRTCRCERTCTX) RTCrStoreCertSearchNext(RTCRSTORE hStore, PRTCRSTORECERTSEARCH pSearch)
331	{
332	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
333	AssertPtrReturn(pThis, NULL);
334	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, NULL);
335	AssertPtrReturn(pSearch, NULL);
336
337	PCRTCRCERTCTX pRet;
338	switch (pSearch->auOpaque[2])
339	{
340	default:
341	pRet = pThis->pProvider->pfnCertSearchNext(pThis->pvProvider, pSearch);
342	break;
343
344	case RTCRSTORECERTSEARCH_BY_SUBECT_OR_ALT_SUBJECT_BY_RFC5280:
345	{
346	PCRTCRX509NAME pSubject = (PCRTCRX509NAME)pSearch->auOpaque[3];
347	AssertPtrReturn(pSubject, NULL);
348
349	for (;;)
350	{
351	pRet = pThis->pProvider->pfnCertSearchNext(pThis->pvProvider, pSearch);
352	if (!pRet)
353	break;
354	if (pRet->pCert)
355	{
356	if (RTCrX509Certificate_MatchSubjectOrAltSubjectByRfc5280(pRet->pCert, pSubject))
357	break;
358	}
359	else if (pRet->pTaInfo)
360	{
361	if ( RTCrTafCertPathControls_IsPresent(&pRet->pTaInfo->CertPath)
362	&& RTCrX509Name_MatchByRfc5280(&pRet->pTaInfo->CertPath.TaName, pSubject))
363	break;
364	}
365	RTCrCertCtxRelease(pRet);
366	}
367	break;
368	}
369	}
370	return pRet;
371	}
372
373
374	RTDECL(int) RTCrStoreCertSearchDestroy(RTCRSTORE hStore, PRTCRSTORECERTSEARCH pSearch)
375	{
376	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
377	AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
378	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, VERR_INVALID_HANDLE);
379	if (pSearch)
380	{
381	AssertPtrReturn(pSearch, VERR_INVALID_POINTER);
382	pThis->pProvider->pfnCertSearchDestroy(pThis->pvProvider, pSearch);
383	}
384	return VINF_SUCCESS;
385	}
386
387
388
389	RTDECL(uint32_t) RTCrStoreCertCount(RTCRSTORE hStore)
390	{
391	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
392	AssertPtrReturn(pThis, UINT32_MAX);
393	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, UINT32_MAX);
394
395	RTCRSTORECERTSEARCH Search;
396	int rc = pThis->pProvider->pfnCertFindAll(pThis->pvProvider, &Search);
397	AssertRCReturn(rc, UINT32_MAX);
398
399
400	uint32_t cCerts = 0;
401	PCRTCRCERTCTX pCur;
402	while ((pCur = pThis->pProvider->pfnCertSearchNext(pThis->pvProvider, &Search)) != NULL)
403	{
404	RTCrCertCtxRelease(pCur);
405	cCerts++;
406	}
407
408	return cCerts;
409	}
410
411
412	#ifdef IPRT_WITH_OPENSSL
413	/*
414	* OpenSSL helper.
415	* OpenSSL helper.
416	* OpenSSL helper.
417	*/
418
419	RTDECL(int) RTCrStoreConvertToOpenSslCertStore(RTCRSTORE hStore, uint32_t fFlags, void **ppvOpenSslStore, PRTERRINFO pErrInfo)
420	{
421	RT_NOREF(pErrInfo);
422	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
423	AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
424	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, VERR_INVALID_HANDLE);
425	RT_NOREF_PV(fFlags);
426
427	/*
428	* Use the pfnCertFindAll method to add all certificates to the store we're returning.
429	*/
430	int rc;
431	X509_STORE *pOsslStore = X509_STORE_new();
432	if (pOsslStore)
433	{
434	RTCRSTORECERTSEARCH Search;
435	rc = pThis->pProvider->pfnCertFindAll(pThis->pvProvider, &Search);
436	if (RT_SUCCESS(rc))
437	{
438	do
439	{
440	PCRTCRCERTCTX pCertCtx = pThis->pProvider->pfnCertSearchNext(pThis->pvProvider, &Search);
441	if (!pCertCtx)
442	break;
443
444	if ( (pCertCtx->fFlags & RTCRCERTCTX_F_ENC_MASK) == RTCRCERTCTX_F_ENC_X509_DER
445	&& pCertCtx->cbEncoded > 0)
446	{
447	X509 *pOsslCert = NULL;
448	const unsigned char pabEncoded = (const unsigned char )pCertCtx->pabEncoded;
449	if (d2i_X509(&pOsslCert, &pabEncoded, pCertCtx->cbEncoded) == pOsslCert)
450	{
451	if (!X509_STORE_add_cert(pOsslStore, pOsslCert))
452	rc = VERR_NO_MEMORY;
453	X509_free(pOsslCert);
454	}
455	}
456
457	RTCrCertCtxRelease(pCertCtx);
458	} while (RT_SUCCESS(rc));
459
460	pThis->pProvider->pfnCertSearchDestroy(pThis->pvProvider, &Search);
461	if (RT_SUCCESS(rc))
462	{
463	*ppvOpenSslStore = pOsslStore;
464	return VINF_SUCCESS;
465	}
466	}
467	X509_STORE_free(pOsslStore);
468	}
469	else
470	rc = VERR_NO_MEMORY;
471	return rc;
472	}
473
474
475	RTDECL(int) RTCrStoreConvertToOpenSslCertStack(RTCRSTORE hStore, uint32_t fFlags, void **ppvOpenSslStack, PRTERRINFO pErrInfo)
476	{
477	RT_NOREF(pErrInfo);
478	PRTCRSTOREINT pThis = (PRTCRSTOREINT)hStore;
479	AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
480	AssertReturn(pThis->u32Magic == RTCRSTOREINT_MAGIC, VERR_INVALID_HANDLE);
481	RT_NOREF_PV(fFlags);
482
483	/*
484	* Use the pfnCertFindAll method to add all certificates to the store we're returning.
485	*/
486	int rc;
487	STACK_OF(X509) *pOsslStack = sk_X509_new_null();
488	if (pOsslStack)
489	{
490	RTCRSTORECERTSEARCH Search;
491	rc = pThis->pProvider->pfnCertFindAll(pThis->pvProvider, &Search);
492	if (RT_SUCCESS(rc))
493	{
494	do
495	{
496	PCRTCRCERTCTX pCertCtx = pThis->pProvider->pfnCertSearchNext(pThis->pvProvider, &Search);
497	if (!pCertCtx)
498	break;
499
500	if ( (pCertCtx->fFlags & RTCRCERTCTX_F_ENC_MASK) == RTCRCERTCTX_F_ENC_X509_DER
501	&& pCertCtx->cbEncoded > 0)
502	{
503	X509 *pOsslCert = NULL;
504	const unsigned char pabEncoded = (const unsigned char )pCertCtx->pabEncoded;
505	if (d2i_X509(&pOsslCert, &pabEncoded, pCertCtx->cbEncoded) == pOsslCert)
506	{
507	if (!sk_X509_push(pOsslStack, pOsslCert))
508	{
509	rc = VERR_NO_MEMORY;
510	X509_free(pOsslCert);
511	}
512	}
513	}
514
515	RTCrCertCtxRelease(pCertCtx);
516	} while (RT_SUCCESS(rc));
517
518	pThis->pProvider->pfnCertSearchDestroy(pThis->pvProvider, &Search);
519	if (RT_SUCCESS(rc))
520	{
521	*ppvOpenSslStack = pOsslStack;
522	return VINF_SUCCESS;
523	}
524	}
525	#include "internal/openssl-pre.h" /* Need to disable C5039 warning here. */
526	sk_X509_pop_free(pOsslStack, X509_free);
527	#include "internal/openssl-post.h"
528	}
529	else
530	rc = VERR_NO_MEMORY;
531	return rc;
532	}
533
534	#endif /* IPRT_WITH_OPENSSL */
535
536
537	/*
538	* Certificate context.
539	* Certificate context.
540	* Certificate context.
541	*/
542
543
544	RTDECL(uint32_t) RTCrCertCtxRetain(PCRTCRCERTCTX pCertCtx)
545	{
546	AssertPtrReturn(pCertCtx, UINT32_MAX);
547	PRTCRCERTCTXINT pThis = RT_FROM_MEMBER(pCertCtx, RTCRCERTCTXINT, Public);
548	AssertReturn(pThis->u32Magic == RTCRCERTCTXINT_MAGIC, UINT32_MAX);
549	uint32_t cRet = ASMAtomicIncU32(&pThis->cRefs);
550	Assert(cRet < 64);
551	return cRet;
552	}
553
554
555	RTDECL(uint32_t) RTCrCertCtxRelease(PCRTCRCERTCTX pCertCtx)
556	{
557	if (!pCertCtx)
558	return 0;
559
560	AssertPtrReturn(pCertCtx, UINT32_MAX);
561	PRTCRCERTCTXINT pThis = RT_FROM_MEMBER(pCertCtx, RTCRCERTCTXINT, Public);
562	AssertReturn(pThis->u32Magic == RTCRCERTCTXINT_MAGIC, UINT32_MAX);
563	uint32_t cRet = ASMAtomicDecU32(&pThis->cRefs);
564	if (!cRet)
565	{
566	ASMAtomicWriteU32(&pThis->u32Magic, RTCRCERTCTXINT_MAGIC_DEAD);
567	pThis->pfnDtor(pThis);
568	}
569	return cRet;
570	}
571

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source: vbox/trunk/src/VBox/Runtime/common/crypto/store.cpp@ 96407

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