asn1.h@ 73662

Last change on this file since 73662 was 73662, checked in by vboxsync, 6 years ago
IPRT/ASN.1: Added g_RTAsn1EFenceAllocator and RTAsn1CursorIsEnd.
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1	/** @file
2	* IPRT - Abstract Syntax Notation One (ASN.1).
3	*/
4
5	/*
6	* Copyright (C) 2006-2017 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*/
25
26	#ifndef ___iprt_asn1_h
27	#define ___iprt_asn1_h
28
29	#include <iprt/time.h>
30	#include <iprt/stdarg.h>
31	#include <iprt/err.h>
32	#include <iprt/formats/asn1.h>
33
34
35	RT_C_DECLS_BEGIN
36
37	/** @defgroup grp_rt_asn1 RTAsn1 - Abstract Syntax Notation One
38	* @ingroup grp_rt
39	* @{
40	*/
41
42
43	/** Pointer to ASN.1 allocation information. */
44	typedef struct RTASN1ALLOCATION *PRTASN1ALLOCATION;
45	/** Pointer to ASN.1 array allocation information. */
46	typedef struct RTASN1ARRAYALLOCATION *PRTASN1ARRAYALLOCATION;
47	/** Pointer to a ASN.1 byte decoder cursor. */
48	typedef struct RTASN1CURSOR *PRTASN1CURSOR;
49
50
51	/**
52	* Sketch of a custom ASN.1 allocator virtual method table.
53	*
54	* Any information required by the allocator should be associated with this
55	* structure, i.e. use this as a kind of parent class. This saves storage in
56	* RTASN1ALLOCATORINFO and possibly reduces the number of parameters by one.
57	*/
58	typedef struct RTASN1ALLOCATORVTABLE
59	{
60	/**
61	* Free a chunk of memory allocated by this allocator.
62	*
63	* @returns IPRT status code.
64	* @param pThis Pointer to the vtable structure.
65	* @param pAllocation Pointer to the allocation info structure.
66	* @param pv Pointer to the memory that shall be freed. Not NULL.
67	*/
68	DECLCALLBACKMEMBER(void, pfnFree)(struct RTASN1ALLOCATORVTABLE const *pThis, PRTASN1ALLOCATION pAllocation,
69	void *pv);
70	/**
71	* Allocates a chunk of memory, all initialized to zero.
72	*
73	* @returns IPRT status code.
74	* @param pThis Pointer to the vtable structure.
75	* @param pAllocation Pointer to the allocation info structure.
76	* @param ppv Where to store the pointer on success.
77	* @param cb The minimum number of bytes to allocate. The actual
78	* number of bytes allocated shall be stored in
79	* pInfo->cbAllocated on success.
80	*/
81	DECLCALLBACKMEMBER(int, pfnAlloc)(struct RTASN1ALLOCATORVTABLE const *pThis, PRTASN1ALLOCATION pAllocation,
82	void **ppv, size_t cb);
83	/**
84	* Reallocates a memory allocation.
85	*
86	* New memory does not need to be initialized, the caller takes care of that.
87	*
88	* This will not need to deal with free (@a cbNew == 0) or the initial
89	* allocation (@a pvOld == NULL), those calls will be directed to pfnFree and
90	* pfnAlloc respectively.
91	*
92	* @returns IPRT status code.
93	* @param pThis Pointer to the vtable structure.
94	* @param pAllocation Pointer to the allocation info structure.
95	* @param pvOld Pointer to the current allocation. Shall remain
96	* valid on failure, but may be invalid on success.
97	* @param ppvNew Where to store the pointer on success. Shall not be
98	* touched, except on successful returns.
99	* @param cbNew The new minimum allocation size. The actual number
100	* of bytes allocated shall be stored in
101	* pInfo->cbAllocated on success.
102	*/
103	DECLCALLBACKMEMBER(int, pfnRealloc)(struct RTASN1ALLOCATORVTABLE const *pThis, PRTASN1ALLOCATION pAllocation,
104	void pvOld, void *ppvNew, size_t cbNew);
105
106	/**
107	* Frees an array allocation (the array an all instances in it).
108	*
109	* @returns IPRT status code.
110	* @param pThis Pointer to the vtable structure.
111	* @param pAllocation Pointer to the allocation info structure.
112	* @param papvArray Pointer to the pointer array to be freed. Not NULL.
113	*/
114	DECLCALLBACKMEMBER(void, pfnFreeArray)(struct RTASN1ALLOCATORVTABLE const *pThis, PRTASN1ARRAYALLOCATION pAllocation,
115	void **papvArray);
116	/**
117	* Grows the array to at least @a cMinEntries.
118	*
119	* The entries are initalized with ZEROs.
120	*
121	* @returns IPRT status code.
122	* @param pThis Pointer to the vtable structure.
123	* @param pAllocation Pointer to the allocation info structure.
124	* @param ppapvArray Pointer to the pointer to the array to be grown (or
125	* allocated).
126	* @param cMinEntries The minimum number of entries (array size and
127	* instantiated entries) that must be available
128	* on successful return.
129	*/
130	DECLCALLBACKMEMBER(int, pfnGrowArray)(struct RTASN1ALLOCATORVTABLE const *pThis, PRTASN1ARRAYALLOCATION pAllocation,
131	void ***ppapvArray, uint32_t cMinEntries);
132	/**
133	* Shrinks the array (depends on allocator policy).
134	*
135	* If memory isn't freed, the implementation must fill the entries being
136	* shredded with ZEROs so the growth optimizations in RTAsn1MemResizeArray
137	* returns ZEROed entries.
138	*
139	* @returns IPRT status code.
140	* @param pThis Pointer to the vtable structure.
141	* @param pAllocation Pointer to the allocation info structure.
142	* @param ppapvArray Pointer to the pointer to the array to shrunk.
143	* @param cNew The new entry count.
144	* @param cCurrent The new entry count.
145	*/
146	DECLCALLBACKMEMBER(void, pfnShrinkArray)(struct RTASN1ALLOCATORVTABLE const *pThis, PRTASN1ARRAYALLOCATION pAllocation,
147	void ***ppapvArray, uint32_t cNew, uint32_t cCurrent);
148	} RTASN1ALLOCATORVTABLE;
149	/** Pointer to an ASN.1 allocator vtable. */
150	typedef RTASN1ALLOCATORVTABLE *PRTASN1ALLOCATORVTABLE;
151	/** Pointer to a const ASN.1 allocator vtable. */
152	typedef RTASN1ALLOCATORVTABLE const *PCRTASN1ALLOCATORVTABLE;
153
154	/** The default ASN.1 allocator. */
155	extern RTDATADECL(RTASN1ALLOCATORVTABLE const) g_RTAsn1DefaultAllocator;
156
157	/** The Electric Fence ASN.1 allocator. */
158	extern RTDATADECL(RTASN1ALLOCATORVTABLE const) g_RTAsn1EFenceAllocator;
159
160	/** The safer ASN.1 allocator for sensitive data. */
161	extern RTDATADECL(RTASN1ALLOCATORVTABLE const) g_RTAsn1SaferAllocator;
162
163
164	/**
165	* Allocation information.
166	*/
167	typedef struct RTASN1ALLOCATION
168	{
169	/** The number of bytes currently allocated. */
170	uint32_t cbAllocated;
171	/** Number of realloc calls. */
172	uint16_t cReallocs;
173	/** Reserved / padding. */
174	uint16_t uReserved0;
175	/** Allocator vtable, NULL for the default allocator. */
176	PCRTASN1ALLOCATORVTABLE pAllocator;
177	} RTASN1ALLOCATION;
178
179
180	/**
181	* Pointer array allocation information.
182	*
183	* Used by SET OF and SEQUENCE OF structures (typically automatically
184	* generated).
185	*/
186	typedef struct RTASN1ARRAYALLOCATION
187	{
188	/** The size of the array entry. */
189	uint32_t cbEntry;
190	/** The size of the pointer array allocation. */
191	uint32_t cPointersAllocated;
192	/** Number of entry instances allocated. This can be greater than the
193	* official array size. */
194	uint32_t cEntriesAllocated;
195	/** Number of array resizing calls (for increasing growth rate).
196	* Maintained by RTAsn1MemResizeArray(). */
197	uint16_t cResizeCalls;
198	/** Reserved / padding. */
199	uint16_t uReserved0;
200	/** Allocator vtable, NULL for the default allocator. */
201	PCRTASN1ALLOCATORVTABLE pAllocator;
202	} RTASN1ARRAYALLOCATION;
203
204
205	/**
206	* Allocate a block of zero initialized memory.
207	*
208	* @returns IPRT status code.
209	* @param pAllocation The allocation record (initialized by
210	* RTAsn1CursorInitAllocation or similar).
211	* @param ppvMem Where to return the pointer to the block.
212	* @param cbMem The minimum number of bytes to allocate.
213	*/
214	RTDECL(int) RTAsn1MemAllocZ(PRTASN1ALLOCATION pAllocation, void **ppvMem, size_t cbMem);
215
216	/**
217	* Allocates a block of memory initialized to the content of @a pvSrc.
218	*
219	* @returns IPRT status code.
220	* @param pAllocation The allocation record (initialized by
221	* RTAsn1CursorInitAllocation or similar).
222	* @param ppvMem Where to return the pointer to the block.
223	* @param pvSrc The source memory.
224	* @param cbMem The minimum number of bytes to allocate.
225	*/
226	RTDECL(int) RTAsn1MemDup(PRTASN1ALLOCATION pAllocation, void *ppvMem, void const pvSrc, size_t cbMem);
227
228	/**
229	* Free a memory block.
230	*
231	* @param pAllocation The allocation record (initialized by
232	* RTAsn1CursorInitAllocation or similar).
233	* @param pv The memory block to free. NULL will be ignored.
234	*/
235	RTDECL(void) RTAsn1MemFree(PRTASN1ALLOCATION pAllocation, void *pv);
236
237	/**
238	* Initalize an allocation.
239	*
240	* @returns pAllocation
241	* @param pAllocation The allocation record (initialized by
242	* RTAsn1CursorInitAllocation or similar).
243	* @param pAllocator The allocator
244	*/
245	RTDECL(PRTASN1ALLOCATION) RTAsn1MemInitAllocation(PRTASN1ALLOCATION pAllocation, PCRTASN1ALLOCATORVTABLE pAllocator);
246
247	/**
248	* Initalize an array allocation.
249	*
250	* @returns pAllocation
251	* @param pAllocation The allocation record (initialized by
252	* RTAsn1CursorInitAllocation or similar).
253	* @param pAllocator The allocator
254	* @param cbEntry The entry size.
255	*/
256	RTDECL(PRTASN1ARRAYALLOCATION) RTAsn1MemInitArrayAllocation(PRTASN1ARRAYALLOCATION pAllocation,
257	PCRTASN1ALLOCATORVTABLE pAllocator, size_t cbEntry);
258
259	/**
260	* Resize an array with zero initialized memory.
261	*
262	* @returns IPRT status code.
263	* @param pAllocation The allocation record (initialized by
264	* RTAsn1CursorInitAllocation or similar).
265	* @param ppapvArray Pointer to the variable pointing to the array. This is
266	* both input and output. Remains valid on failure.
267	* @param cCurrent The current entry count. (Relevant for zero
268	* initialization of the new entries.)
269	* @param cNew The new entry count.
270	*/
271	RTDECL(int) RTAsn1MemResizeArray(PRTASN1ARRAYALLOCATION pAllocation, void ***ppapvArray, uint32_t cCurrent, uint32_t cNew);
272
273	/**
274	* Frees an array and all its entries.
275	*
276	* @param pAllocation The array allocation record (initialized by
277	* RTAsn1CursorInitArrayAllocation or similar).
278	* @param papvArray The array to free. NULL is ignored.
279	*/
280	RTDECL(void) RTAsn1MemFreeArray(PRTASN1ARRAYALLOCATION pAllocation, void **papvArray);
281
282
283	/** Pointer to a core ASN.1 encoding info structure. */
284	typedef struct RTASN1CORE *PRTASN1CORE;
285	/** Pointer to a const core ASN.1 encoding info structure. */
286	typedef struct RTASN1CORE const *PCRTASN1CORE;
287
288	RTDECL(int) RTAsn1ContentAllocZ(struct RTASN1CORE *pAsn1Core, size_t cb, PCRTASN1ALLOCATORVTABLE pAllocator);
289	RTDECL(int) RTAsn1ContentDup(struct RTASN1CORE pAsn1Core, void const pvSrc, size_t cbSrc, PCRTASN1ALLOCATORVTABLE pAllocator);
290	RTDECL(int) RTAsn1ContentReallocZ(struct RTASN1CORE *pAsn1Core, size_t cb, PCRTASN1ALLOCATORVTABLE pAllocator);
291	RTDECL(void) RTAsn1ContentFree(struct RTASN1CORE *pAsn1Core);
292
293
294
295	/**
296	* ASN.1 object enumeration callback.
297	*
298	* @returns IPRT status code. VINF_SUCCESS continues the enumberation, all
299	* others quit it and is returned to the caller's caller.
300	* @param pAsn1Core The ASN.1 object we're called back about.
301	* @param pszName The member name. Array member names ends with
302	* '[#]'.
303	* @param uDepth The current depth.
304	* @param pvUser Callback user parameter.
305	*/
306	typedef DECLCALLBACK(int) FNRTASN1ENUMCALLBACK(struct RTASN1CORE pAsn1Core, const char pszName, uint32_t uDepth, void *pvUser);
307	/** Pointer to an ASN.1 object enumeration callback. */
308	typedef FNRTASN1ENUMCALLBACK *PFNRTASN1ENUMCALLBACK;
309
310	/**
311	* ASN.1 object encoding writer callback.
312	*
313	* @returns IPRT status code.
314	* @param pbBuf Pointer to the bytes to output.
315	* @param cbToWrite The number of bytes to write.
316	* @param pvUser Callback user parameter.
317	* @param pErrInfo Where to store extended error info. Optional.
318	*/
319	typedef DECLCALLBACK(int) FNRTASN1ENCODEWRITER(const void pvBuf, size_t cbToWrite, void pvUser, PRTERRINFO pErrInfo);
320	/** Pointer to an ASN.1 encoding writer callback. */
321	typedef FNRTASN1ENCODEWRITER *PFNRTASN1ENCODEWRITER;
322
323	/** @name ASN.1 Vtable Method Types
324	* @{ */
325
326	/**
327	* Destructor.
328	*
329	* RTAsn1Destroy will first destroy all children by recursive calls to pfnEnum,
330	* afterwards it will call this method to release any memory or other resources
331	* associated with this object. The memory backing the object structure shall
332	* not be freed by this method.
333	*
334	* @param pThisCore Pointer to the ASN.1 core to destroy.
335	*/
336	typedef DECLCALLBACK(void) FNRTASN1COREVTDTOR(PRTASN1CORE pThisCore);
337	/** Pointer to a FNRTASN1COREVTDTOR method. */
338	typedef FNRTASN1COREVTDTOR *PFNRTASN1COREVTDTOR;
339
340	/**
341	* Enumerate members (not necessary for primitive objects).
342	*
343	* @returns IPRT status code, any non VINF_SUCCESS value stems from pfnCallback.
344	* @param pThisCore Pointer to the ASN.1 core to enumerate members of.
345	* @param pfnCallback The callback.
346	* @param uDepth The depth of this object. Children are at +1.
347	* @param pvUser Callback user argument.
348	*/
349	typedef DECLCALLBACK(int) FNRTASN1COREVTENUM(PRTASN1CORE pThisCore, PFNRTASN1ENUMCALLBACK pfnCallback,
350	uint32_t uDepth, void *pvUser);
351	/** Pointer to a FNRTASN1COREVTENUM method. */
352	typedef FNRTASN1COREVTENUM *PFNRTASN1COREVTENUM;
353
354	/**
355	* Clone method.
356	*
357	* @param pThisCore Pointer to the ASN.1 core to initialize as a clone
358	* of pSrcClone. (The caller is responsible for making
359	* sure there is sufficent space and such.)
360	* @param pSrcCore The object to clone.
361	* @param pAllocator The allocator to use.
362	*/
363	typedef DECLCALLBACK(int) FNRTASN1COREVTCLONE(PRTASN1CORE pThisCore, PCRTASN1CORE pSrcCore, PCRTASN1ALLOCATORVTABLE pAllocator);
364	/** Pointer to a FNRTASN1COREVTCLONE method. */
365	typedef FNRTASN1COREVTCLONE *PFNRTASN1COREVTCLONE;
366
367	/**
368	* Compare method.
369	*
370	* The caller makes sure both cores are present and have the same Vtable.
371	*
372	* @returns 0 if equal, -1 if @a pLeft is smaller, 1 if @a pLeft is larger.
373	* @param pLeftCore Pointer to the ASN.1 core of the left side object.
374	* @param pRightCore Pointer to the ASN.1 core of the right side object.
375	*/
376	typedef DECLCALLBACK(int) FNRTASN1COREVTCOMPARE(PCRTASN1CORE pLeftCore, PCRTASN1CORE pRightCore);
377	/** Pointer to a FNRTASN1COREVTCOMPARE method. */
378	typedef FNRTASN1COREVTCOMPARE *PFNRTASN1COREVTCOMPARE;
379
380	/**
381	* Check sanity method.
382	*
383	* @returns IPRT status code.
384	* @param pThisCore Pointer to the ASN.1 core of the object to check out.
385	* @param fFlags See RTASN1_CHECK_SANITY_F_XXX.
386	* @param pErrInfo Where to return additional error details. Optional.
387	* @param pszErrorTag Tag for the additional error details.
388	*/
389	typedef DECLCALLBACK(int) FNRTASN1COREVTCHECKSANITY(PCRTASN1CORE pThisCore, uint32_t fFlags,
390	PRTERRINFO pErrInfo, const char *pszErrorTag);
391	/** Pointer to a FNRTASN1COREVTCHECKSANITY method. */
392	typedef FNRTASN1COREVTCHECKSANITY *PFNRTASN1COREVTCHECKSANITY;
393
394	/**
395	* Optional encoding preparations.
396	*
397	* On successful return, the pThisCore->cb value shall be valid and up to date.
398	* Will be called for any present object, including ones with default values and
399	* similar.
400	*
401	* @returns IPRT status code
402	* @param pThisCore Pointer to the ASN.1 core to enumerate members of.
403	* @param fFlags Encoding flags, RTASN1ENCODE_F_XXX.
404	* @param pErrInfo Where to return extra error information. Optional.
405	*/
406	typedef DECLCALLBACK(int) FNRTASN1COREVTENCODEPREP(PRTASN1CORE pThisCore, uint32_t fFlags, PRTERRINFO pErrInfo);
407	/** Pointer to a FNRTASN1COREVTENCODEWRITE method. */
408	typedef FNRTASN1COREVTENCODEPREP *PFNRTASN1COREVTENCODEPREP;
409
410	/**
411	* Optional encoder writer.
412	*
413	* This writes the header as well as all the content. Will be called for any
414	* present object, including ones with default values and similar.
415	*
416	* @returns IPRT status code.
417	* @param pThisCore Pointer to the ASN.1 core to enumerate members of.
418	* @param fFlags Encoding flags, RTASN1ENCODE_F_XXX.
419	* @param pfnWriter The output writer function.
420	* @param pvUser The user context for the writer function.
421	* @param pErrInfo Where to return extra error information. Optional.
422	*/
423	typedef DECLCALLBACK(int) FNRTASN1COREVTENCODEWRITE(PRTASN1CORE pThisCore, uint32_t fFlags, PFNRTASN1ENCODEWRITER pfnWriter,
424	void *pvUser, PRTERRINFO pErrInfo);
425	/** Pointer to a FNRTASN1COREVTENCODEWRITE method. */
426	typedef FNRTASN1COREVTENCODEWRITE *PFNRTASN1COREVTENCODEWRITE;
427	/** @} */
428
429	/** Mask of common flags. These will be propagated during sanity checking.
430	* Bits not in this mask are type specfic. */
431	#define RTASN1_CHECK_SANITY_F_COMMON_MASK UINT32_C(0xffff0000)
432
433	/**
434	* ASN.1 core vtable.
435	*/
436	typedef struct RTASN1COREVTABLE
437	{
438	/** The name. */
439	const char *pszName;
440	/** Size of the structure. */
441	uint32_t cbStruct;
442	/** The default tag, UINT8_MAX if not applicable. */
443	uint8_t uDefaultTag;
444	/** The default class and flags. */
445	uint8_t fDefaultClass;
446	/** Reserved for later / alignment. */
447	uint16_t uReserved;
448	/** @copydoc FNRTASN1COREVTDTOR */
449	PFNRTASN1COREVTDTOR pfnDtor;
450	/** @copydoc FNRTASN1COREVTENUM */
451	PFNRTASN1COREVTENUM pfnEnum;
452	/** @copydoc FNRTASN1COREVTCLONE */
453	PFNRTASN1COREVTCLONE pfnClone;
454	/** @copydoc FNRTASN1COREVTCOMPARE */
455	PFNRTASN1COREVTCOMPARE pfnCompare;
456	/** @copydoc FNRTASN1COREVTCHECKSANITY */
457	PFNRTASN1COREVTCHECKSANITY pfnCheckSanity;
458	/** @copydoc FNRTASN1COREVTENCODEPREP */
459	PFNRTASN1COREVTENCODEPREP pfnEncodePrep;
460	/** @copydoc FNRTASN1COREVTENUM */
461	PFNRTASN1COREVTENCODEWRITE pfnEncodeWrite;
462	} RTASN1COREVTABLE;
463	/** Pointer to an ASN.1 allocator vtable. */
464	typedef struct RTASN1COREVTABLE *PRTASN1COREVTABLE;
465	/** Pointer to a const ASN.1 allocator vtable. */
466	typedef RTASN1COREVTABLE const *PCRTASN1COREVTABLE;
467
468
469	/** @name Helper macros for prototyping standard functions for an ASN.1 type.
470	* @{ */
471	#define RTASN1TYPE_STANDARD_PROTOTYPES_NO_GET_CORE(a_TypeNm, a_DeclMacro, a_ImplExtNm) \
472	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_Init)(RT_CONCAT(P,a_TypeNm) pThis, PCRTASN1ALLOCATORVTABLE pAllocator); \
473	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_Clone)(RT_CONCAT(P,a_TypeNm) pThis, RT_CONCAT(PC,a_TypeNm) pSrc, \
474	PCRTASN1ALLOCATORVTABLE pAllocator); \
475	a_DeclMacro(void) RT_CONCAT(a_ImplExtNm,_Delete)(RT_CONCAT(P,a_TypeNm) pThis); \
476	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_Enum)(RT_CONCAT(P,a_TypeNm) pThis, PFNRTASN1ENUMCALLBACK pfnCallback, \
477	uint32_t uDepth, void *pvUser); \
478	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_Compare)(RT_CONCAT(PC,a_TypeNm) pLeft, RT_CONCAT(PC,a_TypeNm) pRight); \
479	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_DecodeAsn1)(PRTASN1CURSOR pCursor, uint32_t fFlags, RT_CONCAT(P,a_TypeNm) pThis,\
480	const char *pszErrorTag); \
481	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_CheckSanity)(RT_CONCAT(PC,a_TypeNm) pThis, uint32_t fFlags, \
482	PRTERRINFO pErrInfo, const char *pszErrorTag)
483
484
485	/** @name Helper macros for prototyping standard functions for an ASN.1 type.
486	* @{ */
487	#define RTASN1TYPE_STANDARD_PROTOTYPES(a_TypeNm, a_DeclMacro, a_ImplExtNm, a_Asn1CoreNm) \
488	DECL_FORCE_INLINE(PRTASN1CORE) RT_CONCAT(a_ImplExtNm,_GetAsn1Core)(RT_CONCAT(PC,a_TypeNm) pThis) \
489	{ return (PRTASN1CORE)&pThis->a_Asn1CoreNm; } \
490	DECLINLINE(bool) RT_CONCAT(a_ImplExtNm,_IsPresent)(RT_CONCAT(PC,a_TypeNm) pThis) \
491	{ return pThis && RTASN1CORE_IS_PRESENT(&pThis->a_Asn1CoreNm); } \
492	RTASN1TYPE_STANDARD_PROTOTYPES_NO_GET_CORE(a_TypeNm, a_DeclMacro, a_ImplExtNm)
493
494
495	/** Aliases two ASN.1 types, no method aliases. */
496	#define RTASN1TYPE_ALIAS_TYPE_ONLY(a_TypeNm, a_AliasType) \
497	typedef a_AliasType a_TypeNm; \
498	typedef a_TypeNm *RT_CONCAT(P,a_TypeNm); \
499	typedef a_TypeNm const *RT_CONCAT(PC,a_TypeNm)
500
501	/** Aliases two ASN.1 types and methods. */
502	#define RTASN1TYPE_ALIAS(a_TypeNm, a_AliasType, a_ImplExtNm, a_AliasExtNm) \
503	typedef a_AliasType a_TypeNm; \
504	typedef a_TypeNm *RT_CONCAT(P,a_TypeNm); \
505	\
506	DECLINLINE(PRTASN1CORE) RT_CONCAT(a_ImplExtNm,_GetAsn1Core)(a_TypeNm const *pThis) \
507	{ return RT_CONCAT(a_AliasExtNm,_GetAsn1Core)(pThis); } \
508	DECLINLINE(bool) RT_CONCAT(a_ImplExtNm,_IsPresent)(a_TypeNm const *pThis) \
509	{ return RT_CONCAT(a_AliasExtNm,_IsPresent)(pThis); } \
510	\
511	DECLINLINE(int) RT_CONCAT(a_ImplExtNm,_Init)(RT_CONCAT(P,a_TypeNm) pThis, PCRTASN1ALLOCATORVTABLE pAllocator) \
512	{ return RT_CONCAT(a_AliasExtNm,_Init)(pThis, pAllocator); } \
513	DECLINLINE(int) RT_CONCAT(a_ImplExtNm,_Clone)(RT_CONCAT(P,a_TypeNm) pThis, a_TypeNm const *pSrc, \
514	PCRTASN1ALLOCATORVTABLE pAllocator) \
515	{ return RT_CONCAT(a_AliasExtNm,_Clone)(pThis, pSrc, pAllocator); } \
516	DECLINLINE(void) RT_CONCAT(a_ImplExtNm,_Delete)(RT_CONCAT(P,a_TypeNm) pThis) \
517	{ RT_CONCAT(a_AliasExtNm,_Delete)(pThis); } \
518	DECLINLINE(int) RT_CONCAT(a_ImplExtNm,_Enum)(a_TypeNm *pThis, PFNRTASN1ENUMCALLBACK pfnCallback, \
519	uint32_t uDepth, void *pvUser) \
520	{ return RT_CONCAT(a_AliasExtNm,_Enum)(pThis, pfnCallback, uDepth, pvUser); } \
521	DECLINLINE(int) RT_CONCAT(a_ImplExtNm,_Compare)(a_TypeNm const pLeft, a_TypeNm const pRight) \
522	{ return RT_CONCAT(a_AliasExtNm,_Compare)(pLeft, pRight); } \
523	DECLINLINE(int) RT_CONCAT(a_ImplExtNm,_DecodeAsn1)(PRTASN1CURSOR pCursor, uint32_t fFlags, RT_CONCAT(P,a_TypeNm) pThis,\
524	const char *pszErrorTag) \
525	{ return RT_CONCAT(a_AliasExtNm,_DecodeAsn1)(pCursor, fFlags, pThis, pszErrorTag); } \
526	DECLINLINE(int) RT_CONCAT(a_ImplExtNm,_CheckSanity)(a_TypeNm const *pThis, uint32_t fFlags, \
527	PRTERRINFO pErrInfo, const char *pszErrorTag) \
528	{ return RT_CONCAT(a_AliasExtNm,_CheckSanity)(pThis, fFlags, pErrInfo, pszErrorTag); } \
529	\
530	typedef a_TypeNm const *RT_CONCAT(PC,a_TypeNm)
531
532	/** @} */
533
534
535	/**
536	* Core ASN.1 structure for storing encoding details and data location.
537	*
538	* This is used as a 'parent' for all other decoded ASN.1 based structures.
539	*/
540	typedef struct RTASN1CORE
541	{
542	/** The tag.
543	* @remarks 32-bit should be enough for everyone... We don't currently
544	* implement decoding tags larger than 30 anyway. :-) */
545	uint32_t uTag;
546	/** Tag class and flags (ASN1_TAGCLASS_XXX and ASN1_TAGFLAG_XXX). */
547	uint8_t fClass;
548	/** The real tag value for IMPLICT tag overrides. */
549	uint8_t uRealTag;
550	/** The real class value for IMPLICT tag overrides. */
551	uint8_t fRealClass;
552	/** The size of the tag and length ASN.1 header. */
553	uint8_t cbHdr;
554	/** Length. */
555	uint32_t cb;
556	/** IPRT flags (RTASN1CORE_F_XXX). */
557	uint32_t fFlags;
558	/** Pointer to the data.
559	* After decoding this generally points to the encoded data content. When
560	* preparting something for encoding or otherwise constructing things in memory,
561	* this generally points heap memory or read-only constants.
562	* @sa RTAsn1ContentAllocZ, RTAsn1ContentReallocZ, RTAsn1ContentDup,
563	* RTAsn1ContentFree. */
564	RTCPTRUNION uData;
565	/** Pointer to the virtual method table for this object. Optional. */
566	PCRTASN1COREVTABLE pOps;
567	} RTASN1CORE;
568	/** The Vtable for a RTASN1CORE structure when not in some way use used as a
569	* parent type/class. */
570	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1Core_Vtable;
571
572	RTASN1TYPE_STANDARD_PROTOTYPES_NO_GET_CORE(RTASN1CORE, RTDECL, RTAsn1Core);
573
574	/** @name RTASN1CORE_F_XXX - Flags for RTASN1CORE::fFlags
575	* @{ */
576	/** Present/valid. */
577	#define RTASN1CORE_F_PRESENT RT_BIT_32(0)
578	/** Not present in stream, using default value. */
579	#define RTASN1CORE_F_DEFAULT RT_BIT_32(1)
580	/** The tag was overriden by an implict context tag or some such thing,
581	* RTASN1CORE::uImplicitTag hold the universal tag value if one exists. */
582	#define RTASN1CORE_F_TAG_IMPLICIT RT_BIT_32(2)
583	/** Primitive tag with the corresponding RTASN1XXX struct. */
584	#define RTASN1CORE_F_PRIMITE_TAG_STRUCT RT_BIT_32(3)
585	/** Dummy node typically used with choices, has children, not encoded, must be
586	* ignored. */
587	#define RTASN1CORE_F_DUMMY RT_BIT_32(4)
588	/** Allocated content (pointed to by uData).
589	* The content should is still be considered 104% read-only by anyone other
590	* than then type methods (pOps and associates). */
591	#define RTASN1CORE_F_ALLOCATED_CONTENT RT_BIT_32(5)
592	/** Decoded content (pointed to by uData).
593	* Mutually exclusive with RTASN1CORE_F_ALLOCATED_CONTENT. If neither is
594	* set, uData might be NULL or point to some shared static memory for
595	* frequently used values. */
596	#define RTASN1CORE_F_DECODED_CONTENT RT_BIT_32(6)
597	/** @} */
598
599
600	/** Checks whether an ASN.1 core object present in some way (default data,
601	* decoded data, ...). */
602	#define RTASN1CORE_IS_PRESENT(a_pAsn1Core) ( RT_BOOL((a_pAsn1Core)->fFlags) )
603
604	/** Checks whether an ASN.1 core object is a dummy object (and is present). */
605	#define RTASN1CORE_IS_DUMMY(a_pAsn1Core) ( RT_BOOL((a_pAsn1Core)->fFlags & RTASN1CORE_F_DUMMY) )
606
607	/**
608	* Calculates pointer to the raw ASN.1 record.
609	*
610	* ASSUMES that it's decoded content and that cbHdr and uData are both valid.
611	*
612	* @returns Byte pointer to the first tag byte.
613	* @param a_pAsn1Core The ASN.1 core.
614	*/
615	#define RTASN1CORE_GET_RAW_ASN1_PTR(a_pAsn1Core) ( (a_pAsn1Core)->uData.pu8 - (a_pAsn1Core)->cbHdr )
616
617	/**
618	* Calculates the length of the raw ASN.1 record to go with the
619	* RTASN1CORE_GET_RAW_ASN1_PTR() result.
620	*
621	* ASSUMES that it's decoded content and that cbHdr and uData are both valid.
622	*
623	* @returns Size in bytes (uint32_t).
624	* @param a_pAsn1Core The ASN.1 core.
625	*/
626	#define RTASN1CORE_GET_RAW_ASN1_SIZE(a_pAsn1Core) ( (a_pAsn1Core)->cbHdr + (a_pAsn1Core)->cb )
627
628	/**
629	* Retrievs the tag or implicit tag depending on the RTASN1CORE_F_TAG_IMPLICIT
630	* flag.
631	*
632	* @returns The ASN.1 tag of the object.
633	* @param a_pAsn1Core The ASN.1 core.
634	*/
635	#define RTASN1CORE_GET_TAG(a_pAsn1Core) ( !((a_pAsn1Core)->fFlags & RTASN1CORE_F_TAG_IMPLICIT) ? (a_pAsn1Core)->uTag : (a_pAsn1Core)->uRealTag )
636
637
638	DECL_FORCE_INLINE(PRTASN1CORE) RTAsn1Core_GetAsn1Core(PCRTASN1CORE pThis)
639	{
640	return (PRTASN1CORE)pThis;
641	}
642
643
644	DECL_FORCE_INLINE(bool) RTAsn1Core_IsPresent(PCRTASN1CORE pThis)
645	{
646	return pThis && RTASN1CORE_IS_PRESENT(pThis);
647	}
648
649
650	RTDECL(int) RTAsn1Core_InitEx(PRTASN1CORE pAsn1Core, uint32_t uTag, uint8_t fClass, PCRTASN1COREVTABLE pOps, uint32_t fFlags);
651	/**
652	* Initialize the ASN.1 core object representation to a default value.
653	*
654	* @returns VINF_SUCCESS
655	* @param pAsn1Core The ASN.1 core.
656	* @param uTag The tag number.
657	* @param fClass The tag class and flags.
658	*/
659	RTDECL(int) RTAsn1Core_InitDefault(PRTASN1CORE pAsn1Core, uint32_t uTag, uint8_t fClass);
660	RTDECL(int) RTAsn1Core_CloneContent(PRTASN1CORE pThis, PCRTASN1CORE pSrc, PCRTASN1ALLOCATORVTABLE pAllocator);
661	RTDECL(int) RTAsn1Core_CloneNoContent(PRTASN1CORE pThis, PCRTASN1CORE pSrc);
662	RTDECL(int) RTAsn1Core_SetTagAndFlags(PRTASN1CORE pAsn1Core, uint32_t uTag, uint8_t fClass);
663	RTDECL(int) RTAsn1Core_ChangeTag(PRTASN1CORE pAsn1Core, uint32_t uTag);
664	RTDECL(void) RTAsn1Core_ResetImplict(PRTASN1CORE pThis);
665	RTDECL(int) RTAsn1Core_CompareEx(PCRTASN1CORE pLeft, PCRTASN1CORE pRight, bool fIgnoreTagAndClass);
666
667
668	/**
669	* Dummy ASN.1 object for use in choices and similar non-sequence structures.
670	*
671	* This allows hooking up destructors, enumerators and such, as well as not
672	* needing custom code for sequence-of / set-of collections.
673	*/
674	typedef struct RTASN1DUMMY
675	{
676	/** Core ASN.1. */
677	RTASN1CORE Asn1Core;
678	} RTASN1DUMMY;
679	/** Pointer to a dummy record. */
680	typedef RTASN1DUMMY *PRTASN1DUMMY;
681
682
683	/**
684	* Initalizes a dummy ASN.1 object.
685	*
686	* @returns VINF_SUCCESS.
687	* @param pThis The dummy object.
688	*/
689	RTDECL(int) RTAsn1Dummy_InitEx(PRTASN1DUMMY pThis);
690
691	/**
692	* Standard compliant initalizer.
693	*
694	* @returns VINF_SUCCESS.
695	* @param pThis The dummy object.
696	* @param pAllocator Ignored.
697	*/
698	DECLINLINE(int) RTAsn1Dummy_Init(PRTASN1DUMMY pThis, PCRTASN1ALLOCATORVTABLE pAllocator)
699	{
700	NOREF(pAllocator);
701	return RTAsn1Dummy_InitEx(pThis);
702	}
703
704
705	/**
706	* ASN.1 sequence core (IPRT representation).
707	*/
708	typedef struct RTASN1SEQUENCECORE
709	{
710	/** Core ASN.1 encoding details. */
711	RTASN1CORE Asn1Core;
712	} RTASN1SEQUENCECORE;
713	/** Pointer to an ASN.1 sequence core (IPRT representation). */
714	typedef RTASN1SEQUENCECORE *PRTASN1SEQUENCECORE;
715	/** Pointer to a const ASN.1 sequence core (IPRT representation). */
716	typedef RTASN1SEQUENCECORE const *PCRTASN1SEQUENCECORE;
717
718	RTDECL(int) RTAsn1SequenceCore_Init(PRTASN1SEQUENCECORE pSeqCore, PCRTASN1COREVTABLE pVtable);
719	RTDECL(int) RTAsn1SequenceCore_Clone(PRTASN1SEQUENCECORE pSeqCore, PCRTASN1COREVTABLE pVtable, PCRTASN1SEQUENCECORE pSrc);
720
721	/**
722	* ASN.1 sequence-of core (IPRT representation).
723	*/
724	#if 0
725	typedef struct RTASN1SEQOFCORE
726	{
727	/** Core ASN.1 encoding details. */
728	RTASN1CORE Asn1Core;
729	} RTASN1SEQUENCECORE;
730	/** Pointer to an ASN.1 sequence-of core (IPRT representation). */
731	typedef RTASN1SEQUENCECORE *PRTASN1SEQUENCECORE;
732	/** Pointer to a const ASN.1 sequence-of core (IPRT representation). */
733	typedef RTASN1SEQUENCECORE const *PCRTASN1SEQUENCECORE;
734	#else
735	# define RTASN1SEQOFCORE RTASN1SEQUENCECORE
736	# define PRTASN1SEQOFCORE PRTASN1SEQUENCECORE
737	# define PCRTASN1SEQOFCORE PCRTASN1SEQUENCECORE
738	#endif
739	RTDECL(int) RTAsn1SeqOfCore_Init(PRTASN1SEQOFCORE pThis, PCRTASN1COREVTABLE pVtable);
740	RTDECL(int) RTAsn1SeqOfCore_Clone(PRTASN1SEQOFCORE pThis, PCRTASN1COREVTABLE pVtable, PCRTASN1SEQOFCORE pSrc);
741
742
743	/** Defines the typedefs and prototypes for a generic sequence-of/set-of type. */
744	#define RTASN1_IMPL_GEN_SEQ_OR_SET_OF_TYPEDEFS_AND_PROTOS(a_CoreType, a_CoreMember, \
745	a_ThisType, a_ItemType, a_DeclMacro, a_ImplExtNm) \
746	typedef struct a_ThisType \
747	{ \
748	/** Sequence/set core. */ \
749	a_CoreType a_CoreMember; \
750	/** The array allocation tracker. */ \
751	RTASN1ARRAYALLOCATION Allocation; \
752	/** Items in the array. */ \
753	uint32_t cItems; \
754	/** Array. */ \
755	RT_CONCAT(P,a_ItemType) *papItems; \
756	} a_ThisType; \
757	typedef a_ThisType *RT_CONCAT(P,a_ThisType); \
758	typedef a_ThisType const *RT_CONCAT(PC,a_ThisType); \
759	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_Erase)(RT_CONCAT(P,a_ThisType) pThis, uint32_t iPosition); \
760	a_DeclMacro(int) RT_CONCAT(a_ImplExtNm,_InsertEx)(RT_CONCAT(P,a_ThisType) pThis, uint32_t iPosition, \
761	RT_CONCAT(PC,a_ItemType) pToClone, \
762	PCRTASN1ALLOCATORVTABLE pAllocator, uint32_t *piActualPos); \
763	/** Appends entry with default content, returns index or negative error code. */ \
764	DECLINLINE(int32_t) RT_CONCAT(a_ImplExtNm,_Append)(RT_CONCAT(P,a_ThisType) pThis) \
765	{ \
766	uint32_t uPos = pThis->cItems; \
767	int rc = RT_CONCAT(a_ImplExtNm,_InsertEx)(pThis, uPos, NULL /pToClone/, pThis->Allocation.pAllocator, &uPos); \
768	if (RT_SUCCESS(rc)) \
769	return uPos; \
770	return rc; \
771	} \
772	RTASN1TYPE_STANDARD_PROTOTYPES(a_ThisType, a_DeclMacro, a_ImplExtNm, a_CoreMember.Asn1Core)
773
774	/** Defines the typedefs and prototypes for a generic sequence-of type. */
775	#define RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(a_SeqOfType, a_ItemType, a_DeclMacro, a_ImplExtNm) \
776	RTASN1_IMPL_GEN_SEQ_OR_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQUENCECORE, SeqCore, a_SeqOfType, a_ItemType, a_DeclMacro, a_ImplExtNm)
777
778
779	/**
780	* ASN.1 set core (IPRT representation).
781	*/
782	typedef struct RTASN1SETCORE
783	{
784	/** Core ASN.1 encoding details. */
785	RTASN1CORE Asn1Core;
786	} RTASN1SETCORE;
787	/** Pointer to an ASN.1 set core (IPRT representation). */
788	typedef RTASN1SETCORE *PRTASN1SETCORE;
789	/** Pointer to a const ASN.1 set core (IPRT representation). */
790	typedef RTASN1SETCORE const *PCRTASN1SETCORE;
791
792	RTDECL(int) RTAsn1SetCore_Init(PRTASN1SETCORE pThis, PCRTASN1COREVTABLE pVtable);
793	RTDECL(int) RTAsn1SetCore_Clone(PRTASN1SETCORE pThis, PCRTASN1COREVTABLE pVtable, PCRTASN1SETCORE pSrc);
794
795	/**
796	* ASN.1 set-of core (IPRT representation).
797	*/
798	#if 0
799	typedef struct RTASN1SETOFCORE
800	{
801	/** Core ASN.1 encoding details. */
802	RTASN1CORE Asn1Core;
803	} RTASN1SETUENCECORE;
804	/** Pointer to an ASN.1 set-of core (IPRT representation). */
805	typedef RTASN1SETUENCECORE *PRTASN1SETUENCECORE;
806	/** Pointer to a const ASN.1 set-of core (IPRT representation). */
807	typedef RTASN1SETUENCECORE const *PCRTASN1SETUENCECORE;
808	#else
809	# define RTASN1SETOFCORE RTASN1SETCORE
810	# define PRTASN1SETOFCORE PRTASN1SETCORE
811	# define PCRTASN1SETOFCORE PCRTASN1SETCORE
812	#endif
813	RTDECL(int) RTAsn1SetOfCore_Init(PRTASN1SETOFCORE pThis, PCRTASN1COREVTABLE pVtable);
814	RTDECL(int) RTAsn1SetOfCore_Clone(PRTASN1SETOFCORE pThis, PCRTASN1COREVTABLE pVtable, PCRTASN1SETOFCORE pSrc);
815
816
817	/** Defines the typedefs and prototypes for a generic set-of type. */
818	#define RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(a_SetOfType, a_ItemType, a_DeclMacro, a_ImplExtNm) \
819	RTASN1_IMPL_GEN_SEQ_OR_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETCORE, SetCore, a_SetOfType, a_ItemType, a_DeclMacro, a_ImplExtNm)
820
821
822	/*
823	* Declare sets and sequences of the core structure.
824	*/
825	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFCORES, RTASN1CORE, RTDECL, RTAsn1SeqOfCores);
826	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFCORES, RTASN1CORE, RTDECL, RTAsn1SetOfCores);
827
828
829	/**
830	* ASN.1 null (IPRT representation).
831	*/
832	typedef struct RTASN1NULL
833	{
834	/** Core ASN.1 encoding details. */
835	RTASN1CORE Asn1Core;
836	} RTASN1NULL;
837	/** Pointer to an ASN.1 null (IPRT representation). */
838	typedef RTASN1NULL *PRTASN1NULL;
839	/** Pointer to a const ASN.1 null (IPRT representation). */
840	typedef RTASN1NULL const *PCRTASN1NULL;
841	/** The Vtable for a RTASN1NULL structure. */
842	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1Null_Vtable;
843
844	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1NULL, RTDECL, RTAsn1Null, Asn1Core);
845
846
847	/**
848	* ASN.1 integer (IPRT representation).
849	*/
850	typedef struct RTASN1INTEGER
851	{
852	/** Core ASN.1 encoding details. */
853	RTASN1CORE Asn1Core;
854	/** The unsigned C representation of the 64 least significant bits.
855	* @note A ASN.1 integer doesn't define signed/unsigned and can have any
856	* length you like. Thus, the user needs to check the size and
857	* preferably use the access APIs for signed numbers. */
858	RTUINT64U uValue;
859	} RTASN1INTEGER;
860	/** Pointer to an ASN.1 integer (IPRT representation). */
861	typedef RTASN1INTEGER *PRTASN1INTEGER;
862	/** Pointer to a const ASN.1 integer (IPRT representation). */
863	typedef RTASN1INTEGER const *PCRTASN1INTEGER;
864	/** The Vtable for a RTASN1INTEGER structure. */
865	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1Integer_Vtable;
866
867	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1INTEGER, RTDECL, RTAsn1Integer, Asn1Core);
868
869	/**
870	* Initializes an interger object to a default value.
871	* @returns VINF_SUCCESS.
872	* @param pInteger The integer object representation.
873	* @param uValue The default value (unsigned 64-bit).
874	* @param pAllocator The allocator (pro forma).
875	*/
876	RTDECL(int) RTAsn1Integer_InitDefault(PRTASN1INTEGER pInteger, uint64_t uValue, PCRTASN1ALLOCATORVTABLE pAllocator);
877
878	RTDECL(int) RTAsn1Integer_InitU64(PRTASN1INTEGER pThis, uint64_t uValue, PCRTASN1ALLOCATORVTABLE pAllocator);
879
880	/**
881	* Get the most significat bit that's set (1).
882	*
883	* @returns 0-base bit number, -1 if all clear.
884	* @param pInteger The integer to check.
885	*/
886	RTDECL(int32_t) RTAsn1Integer_UnsignedLastBit(PCRTASN1INTEGER pInteger);
887
888	/**
889	* Compares two ASN.1 unsigned integers.
890	*
891	* @returns 0 if equal, -1 if @a pLeft is smaller, 1 if @a pLeft is larger.
892	* @param pLeft The first ASN.1 integer.
893	* @param pRight The second ASN.1 integer.
894	*/
895	RTDECL(int) RTAsn1Integer_UnsignedCompare(PCRTASN1INTEGER pLeft, PCRTASN1INTEGER pRight);
896
897	/**
898	* Compares an ASN.1 unsigned integer with a uint64_t.
899	*
900	* @returns 0 if equal, -1 if @a pInteger is smaller, 1 if @a pInteger is
901	* larger.
902	* @param pInteger The ASN.1 integer to treat as unsigned.
903	* @param u64Const The uint64_t constant to compare with.
904	*/
905	RTDECL(int) RTAsn1Integer_UnsignedCompareWithU64(PCRTASN1INTEGER pInteger, uint64_t u64Const);
906
907	/**
908	* Compares an ASN.1 unsigned integer with a uint32_t.
909	*
910	* @returns 0 if equal, -1 if @a pInteger is smaller, 1 if @a pInteger is
911	* larger.
912	* @param pInteger The ASN.1 integer to treat as unsigned.
913	* @param u32Const The uint32_t constant to compare with.
914	* @remarks We don't bother with U16 and U8 variants, just use this instead.
915	*/
916	RTDECL(int) RTAsn1Integer_UnsignedCompareWithU32(PCRTASN1INTEGER pInteger, uint32_t u32Const);
917
918
919	/**
920	* Initializes a big integer number from an ASN.1 integer.
921	*
922	* @returns IPRT status code.
923	* @param pInteger The ASN.1 integer.
924	* @param pBigNum The big integer number structure to initialize.
925	* @param fBigNumInit Subset of RTBIGNUMINIT_F_XXX that concerns
926	* senitivity, signedness and endianness.
927	*/
928	RTDECL(int) RTAsn1Integer_ToBigNum(PCRTASN1INTEGER pInteger, PRTBIGNUM pBigNum, uint32_t fBigNumInit);
929	RTDECL(int) RTAsn1Integer_FromBigNum(PRTASN1INTEGER pThis, PCRTBIGNUM pBigNum, PCRTASN1ALLOCATORVTABLE pAllocator);
930
931	/**
932	* Converts the integer to a string.
933	*
934	* This will produce a hex represenation of the number. If it fits in 64-bit, a
935	* C style hex number will be produced. If larger than 64-bit, it will be
936	* printed as a space separated string of hex bytes.
937	*
938	* @returns IPRT status code.
939	* @param pThis The ASN.1 integer.
940	* @param pszBuf The output buffer.
941	* @param cbBuf The buffer size.
942	* @param fFlags Flags reserved for future exploits. MBZ.
943	* @param pcbActual Where to return the amount of buffer space used
944	* (i.e. including terminator). Optional.
945	*
946	* @remarks Currently assume unsigned number.
947	*/
948	RTDECL(int) RTAsn1Integer_ToString(PRTASN1INTEGER pThis, char pszBuf, size_t cbBuf, uint32_t fFlags, size_t pcbActual);
949
950	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFINTEGERS, RTASN1INTEGER, RTDECL, RTAsn1SeqOfIntegers);
951	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFINTEGERS, RTASN1INTEGER, RTDECL, RTAsn1SetOfIntegers);
952
953
954
955	/**
956	* ASN.1 boolean (IPRT representation).
957	*/
958	typedef struct RTASN1BOOLEAN
959	{
960	/** Core ASN.1 encoding details. */
961	RTASN1CORE Asn1Core;
962	/** The boolean value. */
963	bool fValue;
964	} RTASN1BOOLEAN;
965	/** Pointer to the IPRT representation of an ASN.1 boolean. */
966	typedef RTASN1BOOLEAN *PRTASN1BOOLEAN;
967	/** Pointer to the const IPRT representation of an ASN.1 boolean. */
968	typedef RTASN1BOOLEAN const *PCRTASN1BOOLEAN;
969	/** The Vtable for a RTASN1BOOLEAN structure. */
970	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1Boolean_Vtable;
971
972	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1BOOLEAN, RTDECL, RTAsn1Boolean, Asn1Core);
973
974	/**
975	* Initializes a boolean object to a default value.
976	* @returns VINF_SUCCESS
977	* @param pBoolean The boolean object representation.
978	* @param fValue The default value.
979	* @param pAllocator The allocator (pro forma).
980	*/
981	RTDECL(int) RTAsn1Boolean_InitDefault(PRTASN1BOOLEAN pBoolean, bool fValue, PCRTASN1ALLOCATORVTABLE pAllocator);
982	RTDECL(int) RTAsn1Boolean_Set(PRTASN1BOOLEAN pThis, bool fValue);
983
984	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFBOOLEANS, RTASN1BOOLEAN, RTDECL, RTAsn1SeqOfBooleans);
985	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFBOOLEANS, RTASN1BOOLEAN, RTDECL, RTAsn1SetOfBooleans);
986
987
988
989	/**
990	* ASN.1 UTC and Generalized Time (IPRT representation).
991	*
992	* The two time types only differs in the precision the render (UTC time being
993	* the one for which you go "WTF were they thinking?!!" for in 2014).
994	*/
995	typedef struct RTASN1TIME
996	{
997	/** The core structure, either ASN1_TAG_UTC_TIME or
998	* ASN1_TAG_GENERALIZED_TIME. */
999	RTASN1CORE Asn1Core;
1000	/** The exploded time. */
1001	RTTIME Time;
1002	} RTASN1TIME;
1003	/** Pointer to an IPRT representation of ASN.1 UTC/Generalized time. */
1004	typedef RTASN1TIME *PRTASN1TIME;
1005	/** Pointer to a const IPRT representation of ASN.1 UTC/Generalized time. */
1006	typedef RTASN1TIME const *PCRTASN1TIME;
1007	/** The Vtable for a RTASN1TIME structure. */
1008	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1Time_Vtable;
1009
1010	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1TIME, RTDECL, RTAsn1Time, Asn1Core);
1011
1012	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1TIME, RTDECL, RTAsn1UtcTime, Asn1Core);
1013	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1TIME, RTDECL, RTAsn1GeneralizedTime, Asn1Core);
1014
1015	/**
1016	* Compares two ASN.1 time values.
1017	*
1018	* @returns 0 if equal, -1 if @a pLeft is smaller, 1 if @a pLeft is larger.
1019	* @param pLeft The first ASN.1 time object.
1020	* @param pTsRight The second time to compare.
1021	*/
1022	RTDECL(int) RTAsn1Time_CompareWithTimeSpec(PCRTASN1TIME pLeft, PCRTTIMESPEC pTsRight);
1023
1024	/** @name Predicate macros for determing the exact type of RTASN1TIME.
1025	* @{ */
1026	/** True if UTC time. */
1027	#define RTASN1TIME_IS_UTC_TIME(a_pAsn1Time) ((a_pAsn1Time)->Asn1Core.uTag == ASN1_TAG_UTC_TIME)
1028	/** True if generalized time. */
1029	#define RTASN1TIME_IS_GENERALIZED_TIME(a_pAsn1Time) ((a_pAsn1Time)->Asn1Core.uTag == ASN1_TAG_GENERALIZED_TIME)
1030	/** @} */
1031
1032	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFTIMES, RTASN1TIME, RTDECL, RTAsn1SeqOfTimes);
1033	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFTIMES, RTASN1TIME, RTDECL, RTAsn1SetOfTimes);
1034
1035
1036
1037	/**
1038	* ASN.1 object identifier (IPRT representation).
1039	*/
1040	typedef struct RTASN1OBJID
1041	{
1042	/** Core ASN.1 encoding details. */
1043	RTASN1CORE Asn1Core;
1044	/** Coverning the paComponents memory allocation if there isn't enough room in
1045	* szObjId for both the dottet string and the component values. */
1046	RTASN1ALLOCATION Allocation;
1047	/** Pointer to an array with the component values.
1048	* This may point within szObjId if there is enough space for both there. */
1049	uint32_t const *pauComponents;
1050	/** The number of components in the object identifier.
1051	* This ASSUMES that nobody will be ever needing more than 255 components. */
1052	uint8_t cComponents;
1053	/** The dotted string representation of the object identifier.
1054	* If there is sufficient space after the string, we will place the array that
1055	* paComponents points to here and/or the raw content bytes (Asn1Core.uData).
1056	*
1057	* An analysis of dumpasn1.cfg, hl7.org and our own _OID defines indicates
1058	* that we need space for at least 10 components and 30-something chars. We've
1059	* allocated 87 bytes, which we ASSUME should be enough for everyone. */
1060	char szObjId[87];
1061	} RTASN1OBJID;
1062	/** Pointer to an ASN.1 object identifier representation. */
1063	typedef RTASN1OBJID *PRTASN1OBJID;
1064	/** Pointer to a const ASN.1 object identifier representation. */
1065	typedef RTASN1OBJID const *PCRTASN1OBJID;
1066	/** The Vtable for a RTASN1OBJID structure. */
1067	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1ObjId_Vtable;
1068
1069	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1OBJID, RTDECL, RTAsn1ObjId, Asn1Core);
1070
1071	RTDECL(int) RTAsn1ObjId_InitFromString(PRTASN1OBJID pThis, const char *pszObjId, PCRTASN1ALLOCATORVTABLE pAllocator);
1072
1073	/**
1074	* Compares an ASN.1 object identifier with a dotted object identifier string.
1075	*
1076	* @returns 0 if equal, -1 if @a pLeft is smaller, 1 if @a pLeft is larger.
1077	* @param pThis The ASN.1 object identifier.
1078	* @param pszRight The dotted object identifier string.
1079	*/
1080	RTDECL(int) RTAsn1ObjId_CompareWithString(PCRTASN1OBJID pThis, const char *pszRight);
1081
1082	/**
1083	* Checks if an ASN.1 object identifier starts with the given dotted object
1084	* identifier string.
1085	*
1086	* The matching is only successful if the given string matches matches the last
1087	* component completely.
1088	*
1089	* @returns true / false.
1090	* @param pThis The ASN.1 object identifier.
1091	* @param pszStartsWith The dotted object identifier string.
1092	*/
1093	RTDECL(bool) RTAsn1ObjId_StartsWith(PCRTASN1OBJID pThis, const char *pszStartsWith);
1094
1095	RTDECL(uint8_t) RTAsn1ObjIdCountComponents(PCRTASN1OBJID pThis);
1096	RTDECL(uint32_t) RTAsn1ObjIdGetComponentsAsUInt32(PCRTASN1OBJID pThis, uint8_t iComponent);
1097	RTDECL(uint32_t) RTAsn1ObjIdGetLastComponentsAsUInt32(PCRTASN1OBJID pThis);
1098
1099	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFOBJIDS, RTASN1OBJID, RTDECL, RTAsn1SeqOfObjIds);
1100	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFOBJIDS, RTASN1OBJID, RTDECL, RTAsn1SetOfObjIds);
1101	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFOBJIDSEQS, RTASN1SEQOFOBJIDS, RTDECL, RTAsn1SetOfObjIdSeqs);
1102
1103
1104	/**
1105	* ASN.1 bit string (IPRT representation).
1106	*/
1107	typedef struct RTASN1BITSTRING
1108	{
1109	/** Core ASN.1 encoding details. */
1110	RTASN1CORE Asn1Core;
1111	/** The number of bits. */
1112	uint32_t cBits;
1113	/** The max number of bits (given at decoding / construction). */
1114	uint32_t cMaxBits;
1115	/** Pointer to the bits. */
1116	RTCPTRUNION uBits;
1117	/** Pointer to user structure encapsulated in this string, if dynamically
1118	* allocated the EncapsulatedAllocation member can be used to track it and
1119	* trigger automatic cleanup on object destruction. If EncapsulatedAllocation
1120	* is zero, any object pointed to will only be deleted. */
1121	PRTASN1CORE pEncapsulated;
1122	/** Allocation tracking structure for pEncapsulated. */
1123	RTASN1ALLOCATION EncapsulatedAllocation;
1124	} RTASN1BITSTRING;
1125	/** Pointer to the IPRT representation of an ASN.1 bit string. */
1126	typedef RTASN1BITSTRING *PRTASN1BITSTRING;
1127	/** Pointer to the const IPRT representation of an ASN.1 bit string. */
1128	typedef RTASN1BITSTRING const *PCRTASN1BITSTRING;
1129	/** The Vtable for a RTASN1BITSTRING structure. */
1130	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1BitString_Vtable;
1131
1132	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1BITSTRING, RTDECL, RTAsn1BitString, Asn1Core);
1133
1134	/**
1135	* Calculates pointer to the first bit.
1136	*
1137	* @returns Byte pointer to the first bit.
1138	* @param a_pBitString The ASN.1 bit string.
1139	*/
1140	#define RTASN1BITSTRING_GET_BIT0_PTR(a_pBitString) ( &(a_pBitString)->Asn1Core.uData.pu8[1] )
1141
1142	/**
1143	* Calculates the size in bytes.
1144	*
1145	* @returns Rounded up size in bytes.
1146	* @param a_pBitString The ASN.1 bit string.
1147	*/
1148	#define RTASN1BITSTRING_GET_BYTE_SIZE(a_pBitString) ( ((a_pBitString)->cBits + 7U) >> 3 )
1149
1150	RTDECL(int) RTAsn1BitString_DecodeAsn1Ex(PRTASN1CURSOR pCursor, uint32_t fFlags, uint32_t cMaxBits, PRTASN1BITSTRING pThis,
1151	const char *pszErrorTag);
1152	RTDECL(uint64_t) RTAsn1BitString_GetAsUInt64(PCRTASN1BITSTRING pThis);
1153
1154	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFBITSTRINGS, RTASN1BITSTRING, RTDECL, RTAsn1SeqOfBitStrings);
1155	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFBITSTRINGS, RTASN1BITSTRING, RTDECL, RTAsn1SetOfBitStrings);
1156
1157
1158	/**
1159	* ASN.1 octet string (IPRT representation).
1160	*/
1161	typedef struct RTASN1OCTETSTRING
1162	{
1163	/** Core ASN.1 encoding details. */
1164	RTASN1CORE Asn1Core;
1165	/** Pointer to user structure encapsulated in this string.
1166	*
1167	* If dynamically allocated the EncapsulatedAllocation member can be used to
1168	* track it and trigger automatic cleanup on object destruction. If
1169	* EncapsulatedAllocation is zero, any object pointed to will only be
1170	* deleted. */
1171	PRTASN1CORE pEncapsulated;
1172	/** Allocation tracking structure for pEncapsulated. */
1173	RTASN1ALLOCATION EncapsulatedAllocation;
1174	} RTASN1OCTETSTRING;
1175	/** Pointer to the IPRT representation of an ASN.1 octet string. */
1176	typedef RTASN1OCTETSTRING *PRTASN1OCTETSTRING;
1177	/** Pointer to the const IPRT representation of an ASN.1 octet string. */
1178	typedef RTASN1OCTETSTRING const *PCRTASN1OCTETSTRING;
1179	/** The Vtable for a RTASN1OCTETSTRING structure. */
1180	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1OctetString_Vtable;
1181
1182	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1OCTETSTRING, RTDECL, RTAsn1OctetString, Asn1Core);
1183
1184	RTDECL(int) RTAsn1OctetStringCompare(PCRTASN1OCTETSTRING pLeft, PCRTASN1OCTETSTRING pRight);
1185
1186	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFOCTETSTRINGS, RTASN1OCTETSTRING, RTDECL, RTAsn1SeqOfOctetStrings);
1187	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFOCTETSTRINGS, RTASN1OCTETSTRING, RTDECL, RTAsn1SetOfOctetStrings);
1188
1189
1190	/**
1191	* ASN.1 string (IPRT representation).
1192	* All char string types except 'character string (29)'.
1193	*/
1194	typedef struct RTASN1STRING
1195	{
1196	/** Core ASN.1 encoding details. */
1197	RTASN1CORE Asn1Core;
1198	/** Allocation tracking for pszUtf8. */
1199	RTASN1ALLOCATION Allocation;
1200	/** If conversion to UTF-8 was requested, we cache that here. */
1201	char const *pszUtf8;
1202	/** The length (chars, not code points) of the above UTF-8 string if
1203	* present. */
1204	uint32_t cchUtf8;
1205	} RTASN1STRING;
1206	/** Pointer to the IPRT representation of an ASN.1 string. */
1207	typedef RTASN1STRING *PRTASN1STRING;
1208	/** Pointer to the const IPRT representation of an ASN.1 string. */
1209	typedef RTASN1STRING const *PCRTASN1STRING;
1210	/** The Vtable for a RTASN1STRING structure. */
1211	extern RTDATADECL(RTASN1COREVTABLE const) g_RTAsn1String_Vtable;
1212
1213	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1String, Asn1Core);
1214
1215	/** @name String type predicate macros.
1216	* @{ */
1217	#define RTASN1STRING_IS_NUMERIC(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_NUMERIC_STRING )
1218	#define RTASN1STRING_IS_PRINTABLE(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_PRINTABLE_STRING )
1219	#define RTASN1STRING_IS_T61(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_T61_STRING )
1220	#define RTASN1STRING_IS_VIDEOTEX(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_VIDEOTEX_STRING )
1221	#define RTASN1STRING_IS_VISIBLE(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_VISIBLE_STRING )
1222	#define RTASN1STRING_IS_IA5(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_IA5_STRING )
1223	#define RTASN1STRING_IS_GRAPHIC(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_GRAPHIC_STRING )
1224	#define RTASN1STRING_IS_GENERAL(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_GENERAL_STRING )
1225	/** UTF-8. */
1226	#define RTASN1STRING_IS_UTF8(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_UTF8_STRING )
1227	/** UCS-2. */
1228	#define RTASN1STRING_IS_BMP(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_BMP_STRING )
1229	/** UCS-4. */
1230	#define RTASN1STRING_IS_UNIVERSAL(a_pAsn1String) ( RTASN1CORE_GET_TAG(&(a_pAsn1String)->Asn1Core) == ASN1_TAG_UNIVERSAL_STRING )
1231	/** @} */
1232
1233	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1NumericString, Asn1Core);
1234	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1PrintableString, Asn1Core);
1235	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1T61String, Asn1Core);
1236	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1VideoTexString, Asn1Core);
1237	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1VisibleString, Asn1Core);
1238	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1Ia5String, Asn1Core);
1239	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1GraphicString, Asn1Core);
1240	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1GeneralString, Asn1Core);
1241	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1Utf8String, Asn1Core);
1242	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1BmpString, Asn1Core);
1243	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1STRING, RTDECL, RTAsn1UniversalString, Asn1Core);
1244
1245	RTDECL(int) RTAsn1String_InitWithValue(PRTASN1STRING pThis, const char *pszUtf8Value, PCRTASN1ALLOCATORVTABLE pAllocator);
1246	RTDECL(int) RTAsn1String_InitEx(PRTASN1STRING pThis, uint32_t uTag, void const *pvValue, size_t cbValue,
1247	PCRTASN1ALLOCATORVTABLE pAllocator);
1248
1249	/**
1250	* Compares two strings values, extended version.
1251	*
1252	* @returns 0 if equal, -1 if @a pLeft is smaller, 1 if @a pLeft is larger.
1253	* @param pLeft The first string.
1254	* @param pRight The second string.
1255	* @param fTypeToo Set if the string types must match, false if
1256	* not.
1257	*/
1258	RTDECL(int) RTAsn1String_CompareEx(PCRTASN1STRING pLeft, PCRTASN1STRING pRight, bool fTypeToo);
1259
1260	/**
1261	* Compares a ASN.1 string object with an UTF-8 string.
1262	*
1263	* @returns 0 if equal, -1 if @a pThis is smaller, 1 if @a pThis is larger.
1264	* @param pThis The ASN.1 string object.
1265	* @param pszString The UTF-8 string.
1266	* @param cchString The length of @a pszString, or RTSTR_MAX.
1267	*/
1268	RTDECL(int) RTAsn1String_CompareWithString(PCRTASN1STRING pThis, const char *pszString, size_t cchString);
1269
1270	/**
1271	* Queries the UTF-8 length of an ASN.1 string object.
1272	*
1273	* This differs from RTAsn1String_QueryUtf8 in that it won't need to allocate
1274	* memory for the converted string, but just calculates the length.
1275	*
1276	* @returns IPRT status code.
1277	* @param pThis The ASN.1 string object.
1278	* @param pcch Where to return the string length.
1279	*/
1280	RTDECL(int) RTAsn1String_QueryUtf8Len(PCRTASN1STRING pThis, size_t *pcch);
1281
1282	/**
1283	* Queries the UTF-8 string for an ASN.1 string object.
1284	*
1285	* This may fail as it may require memory to be allocated for storing the
1286	* string.
1287	*
1288	* @returns IPRT status code.
1289	* @param pString The ASN.1 string object. This is a const
1290	* parameter for making life easier on the caller,
1291	* however be aware that the object may be modified
1292	* by this call!
1293	* @param ppsz Where to return the pointer to the UTF-8 string.
1294	* Optional.
1295	* @param pcch Where to return the length (in 8-bit chars) to
1296	* of the UTF-8 string. Optional.
1297	*/
1298	RTDECL(int) RTAsn1String_QueryUtf8(PCRTASN1STRING pString, const char *ppsz, size_t pcch);
1299	RTDECL(int) RTAsn1String_RecodeAsUtf8(PRTASN1STRING pThis, PCRTASN1ALLOCATORVTABLE pAllocator);
1300
1301	RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTASN1SEQOFSTRINGS, RTASN1STRING, RTDECL, RTAsn1SeqOfStrings);
1302	RTASN1_IMPL_GEN_SET_OF_TYPEDEFS_AND_PROTOS(RTASN1SETOFSTRINGS, RTASN1STRING, RTDECL, RTAsn1SetOfStrings);
1303
1304
1305
1306	/**
1307	* ASN.1 generic context specific tag (IPRT representation).
1308	*
1309	* Normally used to tag something that's optional, version specific or such.
1310	*
1311	* For the purpose of documenting the format with typedefs as well as possibly
1312	* making it a little more type safe, there's a set of typedefs for the most
1313	* commonly used tag values defined. These typedefs have are identical to
1314	* RTASN1CONTEXTTAG, except from the C++ type system point of view.
1315	*/
1316	typedef struct RTASN1CONTEXTTAG
1317	{
1318	/** Core ASN.1 encoding details. */
1319	RTASN1CORE Asn1Core;
1320	} RTASN1CONTEXTTAG;
1321	/** Pointer to an ASN.1 context tag (IPRT thing). */
1322	typedef RTASN1CONTEXTTAG *PRTASN1CONTEXTTAG;
1323	/** Pointer to a const ASN.1 context tag (IPRT thing). */
1324	typedef RTASN1CONTEXTTAG const *PCRTASN1CONTEXTTAG;
1325
1326	RTDECL(int) RTAsn1ContextTagN_Init(PRTASN1CONTEXTTAG pThis, uint32_t uTag, PCRTASN1COREVTABLE pVtable);
1327	RTDECL(int) RTAsn1ContextTagN_Clone(PRTASN1CONTEXTTAG pThis, PCRTASN1CONTEXTTAG pSrc, uint32_t uTag);
1328
1329
1330	/** @internal */
1331	#define RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(a_uTag) \
1332	typedef struct RT_CONCAT(RTASN1CONTEXTTAG,a_uTag) { RTASN1CORE Asn1Core; } RT_CONCAT(RTASN1CONTEXTTAG,a_uTag); \
1333	typedef RT_CONCAT(RTASN1CONTEXTTAG,a_uTag) *RT_CONCAT(PRTASN1CONTEXTTAG,a_uTag); \
1334	DECLINLINE(int) RT_CONCAT3(RTAsn1ContextTag,a_uTag,_Init)(RT_CONCAT(PRTASN1CONTEXTTAG,a_uTag) pThis, \
1335	PCRTASN1COREVTABLE pVtable, PCRTASN1ALLOCATORVTABLE pAllocator) \
1336	{ \
1337	NOREF(pAllocator); \
1338	return RTAsn1ContextTagN_Init((PRTASN1CONTEXTTAG)pThis, a_uTag, pVtable); \
1339	} \
1340	DECLINLINE(int) RT_CONCAT3(RTAsn1ContextTag,a_uTag,_Clone)(RT_CONCAT(PRTASN1CONTEXTTAG,a_uTag) pThis, \
1341	RT_CONCAT(RTASN1CONTEXTTAG,a_uTag) const *pSrc) \
1342	{ return RTAsn1ContextTagN_Clone((PRTASN1CONTEXTTAG)pThis, (PCRTASN1CONTEXTTAG)pSrc, a_uTag); } \
1343	typedef RT_CONCAT(RTASN1CONTEXTTAG,a_uTag) const *RT_CONCAT(PCRTASN1CONTEXTTAG,a_uTag)
1344	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(0);
1345	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(1);
1346	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(2);
1347	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(3);
1348	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(4);
1349	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(5);
1350	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(6);
1351	RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE(7);
1352	#undef RTASN1CONTEXTTAG_DO_TYPEDEF_AND_INLINE
1353
1354	/** Helper for comparing optional context tags.
1355	* This will return if both are not present or if their precense differs.
1356	* @internal */
1357	#define RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, a_uTag) \
1358	do { \
1359	/* type checks */ \
1360	RT_CONCAT(PCRTASN1CONTEXTTAG,a_uTag) const pMyLeftInternal = (a_pLeft); \
1361	RT_CONCAT(PCRTASN1CONTEXTTAG,a_uTag) const pMyRightInternal = (a_pRight); \
1362	(a_iDiff) = (int)RTASN1CORE_IS_PRESENT(&pMyLeftInternal->Asn1Core) \
1363	- (int)RTASN1CORE_IS_PRESENT(&pMyRightInternal->Asn1Core); \
1364	if ((a_iDiff) \|\| !RTASN1CORE_IS_PRESENT(&pMyLeftInternal->Asn1Core)) return iDiff; \
1365	} while (0)
1366
1367	/** Helpers for comparing optional context tags.
1368	* This will return if both are not present or if their precense differs.
1369	* @{ */
1370	#define RTASN1CONTEXTTAG0_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 0)
1371	#define RTASN1CONTEXTTAG1_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 1)
1372	#define RTASN1CONTEXTTAG2_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 2)
1373	#define RTASN1CONTEXTTAG3_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 3)
1374	#define RTASN1CONTEXTTAG4_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 4)
1375	#define RTASN1CONTEXTTAG5_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 5)
1376	#define RTASN1CONTEXTTAG6_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 6)
1377	#define RTASN1CONTEXTTAG7_COMPARE_PRESENT_RETURN(a_iDiff, a_pLeft, a_pRight) RTASN1CONTEXTTAG_COMPARE_PRESENT_RETURN_INTERNAL(a_iDiff, a_pLeft, a_pRight, 7)
1378	/** @} */
1379
1380
1381	/**
1382	* Type information for dynamically bits (see RTASN1DYNTYPE).
1383	*/
1384	typedef enum RTASN1TYPE
1385	{
1386	/** Not present. */
1387	RTASN1TYPE_NOT_PRESENT = 0,
1388	/** Generic ASN.1 for unknown tag/class. */
1389	RTASN1TYPE_CORE,
1390	/** ASN.1 NULL. */
1391	RTASN1TYPE_NULL,
1392	/** ASN.1 integer. */
1393	RTASN1TYPE_INTEGER,
1394	/** ASN.1 boolean. */
1395	RTASN1TYPE_BOOLEAN,
1396	/** ASN.1 character string. */
1397	RTASN1TYPE_STRING,
1398	/** ASN.1 octet string. */
1399	RTASN1TYPE_OCTET_STRING,
1400	/** ASN.1 bite string. */
1401	RTASN1TYPE_BIT_STRING,
1402	/** ASN.1 UTC or Generalize time. */
1403	RTASN1TYPE_TIME,
1404	#if 0
1405	/** ASN.1 sequence core. */
1406	RTASN1TYPE_SEQUENCE_CORE,
1407	/** ASN.1 set core. */
1408	RTASN1TYPE_SET_CORE,
1409	#endif
1410	/** ASN.1 object identifier. */
1411	RTASN1TYPE_OBJID,
1412	/** End of valid types. */
1413	RTASN1TYPE_END,
1414	/** Type size hack. */
1415	RTASN1TYPE_32BIT_HACK = 0x7fffffff
1416	} RTASN1TYPE;
1417
1418
1419	/**
1420	* ASN.1 dynamic type record.
1421	*/
1422	typedef struct RTASN1DYNTYPE
1423	{
1424	/** Alternative interpretation provided by a user.
1425	* Before destroying this object, the user must explicitly free this and set
1426	* it to NULL, otherwise there will be memory leaks. */
1427	PRTASN1CORE pUser;
1428	/** The type of data we've got here. */
1429	RTASN1TYPE enmType;
1430	/** Union with data of the type dictated by enmType. */
1431	union
1432	{
1433	/** RTASN1TYPE_CORE. */
1434	RTASN1CORE Core;
1435	/** RTASN1TYPE_NULL. */
1436	RTASN1NULL Asn1Null;
1437	/** RTASN1TYPE_INTEGER. */
1438	RTASN1INTEGER Integer;
1439	/** RTASN1TYPE_BOOLEAN. */
1440	RTASN1BOOLEAN Boolean;
1441	/** RTASN1TYPE_STRING. */
1442	RTASN1STRING String;
1443	/** RTASN1TYPE_OCTET_STRING. */
1444	RTASN1OCTETSTRING OctetString;
1445	/** RTASN1TYPE_BIT_STRING. */
1446	RTASN1BITSTRING BitString;
1447	/** RTASN1TYPE_TIME. */
1448	RTASN1TIME Time;
1449	#if 0
1450	/** RTASN1TYPE_SEQUENCE_CORE. */
1451	RTASN1SEQUENCECORE SeqCore;
1452	/** RTASN1TYPE_SET_CORE. */
1453	RTASN1SETCORE SetCore;
1454	#endif
1455	/** RTASN1TYPE_OBJID. */
1456	RTASN1OBJID ObjId;
1457	} u;
1458	} RTASN1DYNTYPE;
1459	/** Pointer to an ASN.1 dynamic type record. */
1460	typedef RTASN1DYNTYPE *PRTASN1DYNTYPE;
1461	/** Pointer to a const ASN.1 dynamic type record. */
1462	typedef RTASN1DYNTYPE const *PCRTASN1DYNTYPE;
1463	RTASN1TYPE_STANDARD_PROTOTYPES(RTASN1DYNTYPE, RTDECL, RTAsn1DynType, u.Core);
1464
1465
1466	/** @name Virtual Method Table Based API
1467	* @{ */
1468	/**
1469	* Calls the destructor of the ASN.1 object.
1470	*
1471	* @param pThisCore The IPRT representation of an ASN.1 object.
1472	*/
1473	RTDECL(void) RTAsn1VtDelete(PRTASN1CORE pThisCore);
1474
1475	/**
1476	* Deep enumeration of all descendants.
1477	*
1478	* @returns IPRT status code, any non VINF_SUCCESS value stems from pfnCallback.
1479	* @param pThisCore Pointer to the ASN.1 core to enumerate members of.
1480	* @param pfnCallback The callback.
1481	* @param uDepth The depth of this object. Children are at +1.
1482	* @param pvUser Callback user argument.
1483	* @param fDepthFirst When set, recurse into child objects before calling
1484	* pfnCallback on then. When clear, the child object
1485	* is first
1486	*/
1487	RTDECL(int) RTAsn1VtDeepEnum(PRTASN1CORE pThisCore, bool fDepthFirst, uint32_t uDepth,
1488	PFNRTASN1ENUMCALLBACK pfnCallback, void *pvUser);
1489
1490	/**
1491	* Clones @a pSrcCore onto @a pThisCore.
1492	*
1493	* The caller must be sure that @a pSrcCore and @a pThisCore are of the same
1494	* types.
1495	*
1496	* @returns IPRT status code.
1497	* @param pThisCore Pointer to the ASN.1 core to clone onto. This shall
1498	* be uninitialized.
1499	* @param pSrcCore Pointer to the ASN.1 core to clone.
1500	* @param pAllocator The allocator to use.
1501	*/
1502	RTDECL(int) RTAsn1VtClone(PRTASN1CORE pThisCore, PRTASN1CORE pSrcCore, PCRTASN1ALLOCATORVTABLE pAllocator);
1503
1504	/**
1505	* Compares two objects.
1506	*
1507	* @returns 0 if equal, -1 if @a pLeft is smaller, 1 if @a pLeft is larger.
1508	* @param pLeftCore Pointer to the ASN.1 core of the left side object.
1509	* @param pRightCore Pointer to the ASN.1 core of the right side object.
1510	*/
1511	RTDECL(int) RTAsn1VtCompare(PCRTASN1CORE pLeftCore, PCRTASN1CORE pRightCore);
1512
1513	/**
1514	* Check sanity.
1515	*
1516	* A primary criteria is that the object is present and initialized.
1517	*
1518	* @returns IPRT status code.
1519	* @param pThisCore Pointer to the ASN.1 core of the object to check out.
1520	* @param fFlags See RTASN1_CHECK_SANITY_F_XXX.
1521	* @param pErrInfo Where to return additional error details. Optional.
1522	* @param pszErrorTag Tag for the additional error details.
1523	*/
1524	RTDECL(int) RTAsn1VtCheckSanity(PCRTASN1CORE pThisCore, uint32_t fFlags,
1525	PRTERRINFO pErrInfo, const char *pszErrorTag);
1526	/** @} */
1527
1528
1529	/** @defgroup rp_asn1_encode RTAsn1Encode - ASN.1 Encoding
1530	* @{ */
1531
1532	/** @name RTASN1ENCODE_F_XXX
1533	* @{ */
1534	/** Use distinguished encoding rules (DER) to encode the object. */
1535	#define RTASN1ENCODE_F_DER UINT32_C(0x00000001)
1536	/** Use base encoding rules (BER) to encode the object.
1537	* This is currently the same as DER for practical reasons. */
1538	#define RTASN1ENCODE_F_BER RTASN1ENCODE_F_DER
1539	/** Mask of valid encoding rules. */
1540	#define RTASN1ENCODE_F_RULE_MASK UINT32_C(0x00000007)
1541	/** @} */
1542
1543
1544	/**
1545	* Recalculates cbHdr of and ASN.1 object.
1546	*
1547	* @returns IPRT status code.
1548	* @retval VINF_ASN1_NOT_ENCODED if the header size is zero (default value,
1549	* whatever).
1550	* @param pAsn1Core The object in question.
1551	* @param fFlags Valid combination of the RTASN1ENCODE_F_XXX
1552	* flags. Must include the encoding type.
1553	* @param pErrInfo Extended error info. Optional.
1554	*/
1555	RTDECL(int) RTAsn1EncodeRecalcHdrSize(PRTASN1CORE pAsn1Core, uint32_t fFlags, PRTERRINFO pErrInfo);
1556
1557	/**
1558	* Prepares the ASN.1 structure for encoding.
1559	*
1560	* The preparations is mainly calculating accurate object size, but may also
1561	* involve operations like recoding internal UTF-8 strings to the actual ASN.1
1562	* format and other things that may require memory to allocated/reallocated.
1563	*
1564	* @returns IPRT status code
1565	* @param pRoot The root of the ASN.1 object tree to encode.
1566	* @param fFlags Valid combination of the RTASN1ENCODE_F_XXX
1567	* flags. Must include the encoding type.
1568	* @param pcbEncoded Where to return the encoded size. Optional.
1569	* @param pErrInfo Where to store extended error information.
1570	* Optional.
1571	*/
1572	RTDECL(int) RTAsn1EncodePrepare(PRTASN1CORE pRoot, uint32_t fFlags, uint32_t *pcbEncoded, PRTERRINFO pErrInfo);
1573
1574	/**
1575	* Encodes and writes the header of an ASN.1 object.
1576	*
1577	* @returns IPRT status code.
1578	* @retval VINF_ASN1_NOT_ENCODED if nothing was written (default value,
1579	* whatever).
1580	* @param pAsn1Core The object in question.
1581	* @param fFlags Valid combination of the RTASN1ENCODE_F_XXX
1582	* flags. Must include the encoding type.
1583	* @param pfnWriter The output writer callback.
1584	* @param pvUser The user argument to pass to @a pfnWriter.
1585	* @param pErrInfo Where to store extended error information.
1586	* Optional.
1587	*/
1588	RTDECL(int) RTAsn1EncodeWriteHeader(PCRTASN1CORE pAsn1Core, uint32_t fFlags, FNRTASN1ENCODEWRITER pfnWriter, void *pvUser,
1589	PRTERRINFO pErrInfo);
1590
1591	/**
1592	* Encodes and writes an ASN.1 object.
1593	*
1594	* @returns IPRT status code
1595	* @param pRoot The root of the ASN.1 object tree to encode.
1596	* @param fFlags Valid combination of the RTASN1ENCODE_F_XXX
1597	* flags. Must include the encoding type.
1598	* @param pfnWriter The output writer callback.
1599	* @param pvUser The user argument to pass to @a pfnWriter.
1600	* @param pErrInfo Where to store extended error information.
1601	* Optional.
1602	*/
1603	RTDECL(int) RTAsn1EncodeWrite(PCRTASN1CORE pRoot, uint32_t fFlags, FNRTASN1ENCODEWRITER pfnWriter, void *pvUser,
1604	PRTERRINFO pErrInfo);
1605
1606	/**
1607	* Encodes and writes an ASN.1 object into a caller allocated memory buffer.
1608	*
1609	* @returns IPRT status code
1610	* @param pRoot The root of the ASN.1 object tree to encode.
1611	* @param fFlags Valid combination of the RTASN1ENCODE_F_XXX
1612	* flags. Must include the encoding type.
1613	* @param pvBuf The output buffer.
1614	* @param cbBuf The buffer size. This should have the size
1615	* returned by RTAsn1EncodePrepare().
1616	* @param pErrInfo Where to store extended error information.
1617	* Optional.
1618	*/
1619	RTDECL(int) RTAsn1EncodeToBuffer(PCRTASN1CORE pRoot, uint32_t fFlags, void *pvBuf, size_t cbBuf, PRTERRINFO pErrInfo);
1620
1621	/** @} */
1622
1623
1624
1625	/** @defgroup rp_asn1_cursor RTAsn1Cursor - BER, DER, and CER cursor
1626	* @{ */
1627
1628	/**
1629	* ASN.1 decoder byte cursor.
1630	*/
1631	typedef struct RTASN1CURSOR
1632	{
1633	/** Pointer to the current (next) byte. */
1634	uint8_t const *pbCur;
1635	/** Number of bytes left to decode. */
1636	uint32_t cbLeft;
1637	/** RTASN1CURSOR_FLAGS_XXX. */
1638	uint8_t fFlags;
1639	/** The cursor depth. */
1640	uint8_t cDepth;
1641	/** Two bytes reserved for future tricks. */
1642	uint8_t abReserved[2];
1643	/** Pointer to the primary cursor. */
1644	struct RTASN1CURSORPRIMARY *pPrimary;
1645	/** Pointer to the parent cursor. */
1646	struct RTASN1CURSOR *pUp;
1647	/** The error tag for this cursor level. */
1648	const char *pszErrorTag;
1649	} RTASN1CURSOR;
1650
1651	/** @name RTASN1CURSOR_FLAGS_XXX - Cursor flags.
1652	* @{ */
1653	/** Enforce DER rules. */
1654	#define RTASN1CURSOR_FLAGS_DER RT_BIT(1)
1655	/** Enforce CER rules. */
1656	#define RTASN1CURSOR_FLAGS_CER RT_BIT(2)
1657	/** @} */
1658
1659
1660	typedef struct RTASN1CURSORPRIMARY
1661	{
1662	/** The normal cursor bits. */
1663	RTASN1CURSOR Cursor;
1664	/** For error reporting. */
1665	PRTERRINFO pErrInfo;
1666	/** The allocator virtual method table. */
1667	PCRTASN1ALLOCATORVTABLE pAllocator;
1668	} RTASN1CURSORPRIMARY;
1669	typedef RTASN1CURSORPRIMARY *PRTASN1CURSORPRIMARY;
1670
1671
1672	/**
1673	* Initializes a primary cursor.
1674	*
1675	* The primary cursor is special in that it stores information shared with the
1676	* sub-cursors created by methods like RTAsn1CursorGetContextTagNCursor and
1677	* RTAsn1CursorGetSequenceCursor. Even if just sharing a few items at present,
1678	* it still important to save every possible byte since stack space is scarce in
1679	* some of the execution environments.
1680	*
1681	* @returns Pointer to pCursor->Cursor.
1682	* @param pPrimaryCursor The primary cursor structure to initialize.
1683	* @param pvFirst The first byte to decode.
1684	* @param cb The number of bytes to decode.
1685	* @param pErrInfo Where to store error information.
1686	* @param pAllocator The allocator to use.
1687	* @param fFlags RTASN1CURSOR_FLAGS_XXX.
1688	* @param pszErrorTag The primary error tag.
1689	*/
1690	RTDECL(PRTASN1CURSOR) RTAsn1CursorInitPrimary(PRTASN1CURSORPRIMARY pPrimaryCursor, void const *pvFirst, uint32_t cb,
1691	PRTERRINFO pErrInfo, PCRTASN1ALLOCATORVTABLE pAllocator, uint32_t fFlags,
1692	const char *pszErrorTag);
1693
1694
1695	/**
1696	* Initialize a sub-cursor for traversing the content of an ASN.1 object.
1697	*
1698	* @returns IPRT status code.
1699	* @param pParent The parent cursor.
1700	* @param pAsn1Core The ASN.1 object which content we should
1701	* traverse with the sub-cursor.
1702	* @param pChild The sub-cursor to initialize.
1703	* @param pszErrorTag The error tag of the sub-cursor.
1704	*/
1705	RTDECL(int) RTAsn1CursorInitSubFromCore(PRTASN1CURSOR pParent, PRTASN1CORE pAsn1Core,
1706	PRTASN1CURSOR pChild, const char *pszErrorTag);
1707
1708	/**
1709	* Initalizes the an allocation structure prior to making an allocation.
1710	*
1711	* To try unify and optimize memory managment for decoding and in-memory
1712	* construction of ASN.1 objects, each allocation has an allocation structure
1713	* associated with it. This stores the allocator and keep statistics for
1714	* optimizing resizable allocations.
1715	*
1716	* @returns Pointer to the allocator info (for call in alloc parameter).
1717	* @param pCursor The cursor.
1718	* @param pAllocation The allocation structure to initialize.
1719	*/
1720	RTDECL(PRTASN1ALLOCATION) RTAsn1CursorInitAllocation(PRTASN1CURSOR pCursor, PRTASN1ALLOCATION pAllocation);
1721
1722	/**
1723	* Initalizes the an array allocation structure prior to making an allocation.
1724	*
1725	* This is a special case of RTAsn1CursorInitAllocation. We store a little bit
1726	* more detail here in order to optimize growing and shrinking of arrays.
1727	*
1728	* @returns Pointer to the allocator info (for call in alloc parameter).
1729	* @param pCursor The cursor.
1730	* @param pAllocation The allocation structure to initialize.
1731	* @param cbEntry The array entry size.
1732	*/
1733	RTDECL(PRTASN1ARRAYALLOCATION) RTAsn1CursorInitArrayAllocation(PRTASN1CURSOR pCursor, PRTASN1ARRAYALLOCATION pAllocation,
1734	size_t cbEntry);
1735
1736	/**
1737	* Wrapper around RTErrInfoSetV.
1738	*
1739	* @returns @a rc
1740	* @param pCursor The cursor.
1741	* @param rc The return code to return.
1742	* @param pszMsg Message format string.
1743	* @param ... Format arguments.
1744	*/
1745	RTDECL(int) RTAsn1CursorSetInfo(PRTASN1CURSOR pCursor, int rc, const char *pszMsg, ...) RT_IPRT_FORMAT_ATTR(3, 4);
1746
1747	/**
1748	* Wrapper around RTErrInfoSetV.
1749	*
1750	* @returns @a rc
1751	* @param pCursor The cursor.
1752	* @param rc The return code to return.
1753	* @param pszMsg Message format string.
1754	* @param va Format arguments.
1755	*/
1756	RTDECL(int) RTAsn1CursorSetInfoV(PRTASN1CURSOR pCursor, int rc, const char *pszMsg, va_list va) RT_IPRT_FORMAT_ATTR(3, 0);
1757
1758	/**
1759	* Checks that we've reached the end of the data for the cursor.
1760	*
1761	* This differs from RTAsn1CursorCheckEnd in that it does not consider the end
1762	* an error and therefore leaves the error buffer alone.
1763	*
1764	* @returns True if end, otherwise false.
1765	* @param pCursor The cursor we're decoding from.
1766	*/
1767	RTDECL(bool) RTAsn1CursorIsEnd(PRTASN1CURSOR pCursor);
1768
1769	/**
1770	* Checks that we've reached the end of the data for the cursor.
1771	*
1772	* @returns IPRT status code.
1773	* @param pCursor The cursor we're decoding from.
1774	*/
1775	RTDECL(int) RTAsn1CursorCheckEnd(PRTASN1CURSOR pCursor);
1776
1777
1778	/**
1779	* Skips a given number of bytes.
1780	*
1781	* @returns @a pCursor
1782	* @param pCursor The cursor.
1783	* @param cb The number of bytes to skip.
1784	* @internal
1785	*/
1786	DECLINLINE(PRTASN1CURSOR) RTAsn1CursorSkip(PRTASN1CURSOR pCursor, uint32_t cb)
1787	{
1788	if (cb <= pCursor->cbLeft)
1789	{
1790	pCursor->cbLeft -= cb;
1791	pCursor->pbCur += cb;
1792	}
1793	else
1794	{
1795	pCursor->pbCur += pCursor->cbLeft;
1796	pCursor->cbLeft = 0;
1797	}
1798
1799	return pCursor;
1800	}
1801
1802	/**
1803	* Low-level function for reading an ASN.1 header.
1804	*
1805	* @returns IPRT status code.
1806	* @param pCursor The cursor we're decoding from.
1807	* @param pAsn1Core The output object core.
1808	* @param pszErrorTag Error tag.
1809	* @internal
1810	*/
1811	RTDECL(int) RTAsn1CursorReadHdr(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core, const char *pszErrorTag);
1812
1813	/**
1814	* Common helper for simple tag matching.
1815	*
1816	* @returns IPRT status code.
1817	* @param pCursor The cursor (for error reporting).
1818	* @param pAsn1Core The ASN.1 core structure.
1819	* @param uTag The expected tag.
1820	* @param fClass The expected class.
1821	* @param fString Set if it's a string type that shall follow
1822	* special CER and DER rules wrt to constructed and
1823	* primitive encoding.
1824	* @param fFlags The RTASN1CURSOR_GET_F_XXX flags.
1825	* @param pszErrorTag The error tag.
1826	* @param pszWhat The type/whatever name.
1827	*/
1828	RTDECL(int) RTAsn1CursorMatchTagClassFlagsEx(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core, uint32_t uTag, uint32_t fClass,
1829	bool fString, uint32_t fFlags, const char pszErrorTag, const char pszWhat);
1830
1831	/**
1832	* Common helper for simple tag matching.
1833	*
1834	* @returns IPRT status code.
1835	* @param pCursor The cursor (for error reporting).
1836	* @param pAsn1Core The ASN.1 core structure.
1837	* @param uTag The expected tag.
1838	* @param fClass The expected class.
1839	* @param fFlags The RTASN1CURSOR_GET_F_XXX flags.
1840	* @param pszErrorTag The error tag.
1841	* @param pszWhat The type/whatever name.
1842	* @internal
1843	*/
1844	DECLINLINE(int) RTAsn1CursorMatchTagClassFlags(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core, uint32_t uTag, uint32_t fClass,
1845	uint32_t fFlags, const char pszErrorTag, const char pszWhat)
1846	{
1847	if (pAsn1Core->uTag == uTag && pAsn1Core->fClass == fClass)
1848	return VINF_SUCCESS;
1849	return RTAsn1CursorMatchTagClassFlagsEx(pCursor, pAsn1Core, uTag, fClass, false /fString/, fFlags, pszErrorTag, pszWhat);
1850	}
1851
1852
1853	/**
1854	* Common helper for simple tag matching for strings.
1855	*
1856	* Check string encoding considerations.
1857	*
1858	* @returns IPRT status code.
1859	* @param pCursor The cursor (for error reporting).
1860	* @param pAsn1Core The ASN.1 core structure.
1861	* @param uTag The expected tag.
1862	* @param fClass The expected class.
1863	* @param fFlags The RTASN1CURSOR_GET_F_XXX flags.
1864	* @param pszErrorTag The error tag.
1865	* @param pszWhat The type/whatever name.
1866	* @internal
1867	*/
1868	DECLINLINE(int) RTAsn1CursorMatchTagClassFlagsString(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core, uint32_t uTag, uint32_t fClass,
1869	uint32_t fFlags, const char pszErrorTag, const char pszWhat)
1870	{
1871	if (pAsn1Core->uTag == uTag && pAsn1Core->fClass == fClass)
1872	return VINF_SUCCESS;
1873	return RTAsn1CursorMatchTagClassFlagsEx(pCursor, pAsn1Core, uTag, fClass, true /fString/, fFlags, pszErrorTag, pszWhat);
1874	}
1875
1876
1877
1878	/** @name RTASN1CURSOR_GET_F_XXX - Common flags for all the getters.
1879	* @{ */
1880	/** Used for decoding objects with implicit tags assigned to them. This only
1881	* works when calling getters with a unambigious types. */
1882	#define RTASN1CURSOR_GET_F_IMPLICIT RT_BIT_32(0)
1883	/** @} */
1884
1885	/**
1886	* Read ANY object.
1887	*
1888	* @returns IPRT status code.
1889	* @param pCursor The cursor we're decoding from.
1890	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1891	* @param pAsn1Core The output object core.
1892	* @param pszErrorTag Error tag.
1893	*/
1894	RTDECL(int) RTAsn1CursorGetCore(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1CORE pAsn1Core, const char *pszErrorTag);
1895
1896	/**
1897	* Read a NULL object.
1898	*
1899	* @returns IPRT status code.
1900	* @param pCursor The cursor we're decoding from.
1901	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1902	* @param pNull The output NULL object.
1903	* @param pszErrorTag Error tag.
1904	*/
1905	RTDECL(int) RTAsn1CursorGetNull(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1NULL pNull, const char *pszErrorTag);
1906
1907	/**
1908	* Read an INTEGER object.
1909	*
1910	* @returns IPRT status code.
1911	* @param pCursor The cursor we're decoding from.
1912	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1913	* @param pInteger The output integer object.
1914	* @param pszErrorTag Error tag.
1915	*/
1916	RTDECL(int) RTAsn1CursorGetInteger(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1INTEGER pInteger, const char *pszErrorTag);
1917
1918	/**
1919	* Read an BOOLEAN object.
1920	*
1921	* @returns IPRT status code.
1922	* @param pCursor The cursor we're decoding from.
1923	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1924	* @param pBoolean The output boolean object.
1925	* @param pszErrorTag Error tag.
1926	*/
1927	RTDECL(int) RTAsn1CursorGetBoolean(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1BOOLEAN pBoolean, const char *pszErrorTag);
1928
1929	/**
1930	* Retrives an object identifier (aka ObjId or OID) item from the ASN.1 stream.
1931	*
1932	* @returns IPRT status code.
1933	* @param pCursor The cursor.
1934	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1935	* @param pObjId The output ODI object.
1936	* @param pszErrorTag Error tag.
1937	*/
1938	RTDECL(int) RTAsn1CursorGetObjId(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1OBJID pObjId, const char *pszErrorTag);
1939
1940	/**
1941	* Retrives and verifies an object identifier.
1942	*
1943	* @returns IPRT status code.
1944	* @param pCursor The cursor.
1945	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1946	* @param pObjId Where to return the parsed object ID, optional.
1947	* @param pszExpectedObjId The expected object identifier (dotted).
1948	* @param pszErrorTag Error tag.
1949	*/
1950	RTDECL(int) RTAsn1CursorGetAndCheckObjId(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1OBJID pObjId,
1951	const char pszExpectedObjId, const char pszErrorTag);
1952
1953	/**
1954	* Read an UTC TIME or GENERALIZED TIME object.
1955	*
1956	* @returns IPRT status code.
1957	* @param pCursor The cursor we're decoding from.
1958	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1959	* @param pTime The output time object.
1960	* @param pszErrorTag Error tag.
1961	*/
1962	RTDECL(int) RTAsn1CursorGetTime(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1TIME pTime, const char *pszErrorTag);
1963
1964	/**
1965	* Read an BIT STRING object (skips past the content).
1966	*
1967	* @returns IPRT status ocde.
1968	* @param pCursor The cursor.
1969	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1970	* @param pBitString The output bit string object.
1971	* @param pszErrorTag Error tag.
1972	*/
1973	RTDECL(int) RTAsn1CursorGetBitString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1BITSTRING pBitString,
1974	const char *pszErrorTag);
1975
1976	/**
1977	* Read an BIT STRING object (skips past the content), extended version with
1978	* cMaxBits.
1979	*
1980	* @returns IPRT status ocde.
1981	* @param pCursor The cursor.
1982	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1983	* @param cMaxBits The max length of the bit string in bits. Pass
1984	* UINT32_MAX if variable size.
1985	* @param pBitString The output bit string object.
1986	* @param pszErrorTag Error tag.
1987	*/
1988	RTDECL(int) RTAsn1CursorGetBitStringEx(PRTASN1CURSOR pCursor, uint32_t fFlags, uint32_t cMaxBits, PRTASN1BITSTRING pBitString,
1989	const char *pszErrorTag);
1990
1991	/**
1992	* Read an OCTET STRING object (skips past the content).
1993	*
1994	* @returns IPRT status ocde.
1995	* @param pCursor The cursor.
1996	* @param fFlags RTASN1CURSOR_GET_F_XXX.
1997	* @param pOctetString The output octet string object.
1998	* @param pszErrorTag Error tag.
1999	*/
2000	RTDECL(int) RTAsn1CursorGetOctetString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1OCTETSTRING pOctetString,
2001	const char *pszErrorTag);
2002
2003	/**
2004	* Read any kind of string object, except 'character string (29)'.
2005	*
2006	* @returns IPRT status code.
2007	* @param pCursor The cursor we're decoding from.
2008	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2009	* @param pString The output boolean object.
2010	* @param pszErrorTag Error tag.
2011	*/
2012	RTDECL(int) RTAsn1CursorGetString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag);
2013
2014	/**
2015	* Read a IA5 STRING object.
2016	*
2017	* @returns IPRT status code.
2018	* @param pCursor The cursor we're decoding from.
2019	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2020	* @param pString The output boolean object.
2021	* @param pszErrorTag Error tag.
2022	*/
2023	RTDECL(int) RTAsn1CursorGetIa5String(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag);
2024
2025	/**
2026	* Read a UTF8 STRING object.
2027	*
2028	* @returns IPRT status code.
2029	* @param pCursor The cursor we're decoding from.
2030	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2031	* @param pString The output boolean object.
2032	* @param pszErrorTag Error tag.
2033	*/
2034	RTDECL(int) RTAsn1CursorGetUtf8String(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag);
2035
2036	/**
2037	* Read a BMP STRING (UCS-2) object.
2038	*
2039	* @returns IPRT status code.
2040	* @param pCursor The cursor we're decoding from.
2041	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2042	* @param pString The output boolean object.
2043	* @param pszErrorTag Error tag.
2044	*/
2045	RTDECL(int) RTAsn1CursorGetBmpString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag);
2046
2047	/**
2048	* Read a SEQUENCE object and create a cursor for its content.
2049	*
2050	* @returns IPRT status code.
2051	* @param pCursor The cursor we're decoding from.
2052	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2053	* @param pSeqCore The output sequence core object.
2054	* @param pSeqCursor The output cursor for the sequence content.
2055	* @param pszErrorTag Error tag, this will be associated with the
2056	* returned cursor.
2057	*/
2058	RTDECL(int) RTAsn1CursorGetSequenceCursor(PRTASN1CURSOR pCursor, uint32_t fFlags,
2059	PRTASN1SEQUENCECORE pSeqCore, PRTASN1CURSOR pSeqCursor, const char *pszErrorTag);
2060
2061	/**
2062	* Read a SET object and create a cursor for its content.
2063	*
2064	* @returns IPRT status code.
2065	* @param pCursor The cursor we're decoding from.
2066	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2067	* @param pSetCore The output set core object.
2068	* @param pSetCursor The output cursor for the set content.
2069	* @param pszErrorTag Error tag, this will be associated with the
2070	* returned cursor.
2071	*/
2072	RTDECL(int) RTAsn1CursorGetSetCursor(PRTASN1CURSOR pCursor, uint32_t fFlags,
2073	PRTASN1SETCORE pSetCore, PRTASN1CURSOR pSetCursor, const char *pszErrorTag);
2074
2075	/**
2076	* Read a given constructed context tag and create a cursor for its content.
2077	*
2078	* @returns IPRT status code.
2079	* @param pCursor The cursor we're decoding from.
2080	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2081	* @param uExpectedTag The expected tag.
2082	* @param pVtable The vtable for the context tag node (see
2083	* RTASN1TMPL_PASS_XTAG).
2084	* @param pCtxTag The output context tag object.
2085	* @param pCtxTagCursor The output cursor for the context tag content.
2086	* @param pszErrorTag Error tag, this will be associated with the
2087	* returned cursor.
2088	*
2089	* @remarks There are specialized version of this function for each of the
2090	* numbered context tag structures, like for RTASN1CONTEXTTAG0 there is
2091	* RTAsn1CursorGetContextTag0Cursor.
2092	*/
2093	RTDECL(int) RTAsn1CursorGetContextTagNCursor(PRTASN1CURSOR pCursor, uint32_t fFlags, uint32_t uExpectedTag,
2094	PCRTASN1COREVTABLE pVtable, PRTASN1CONTEXTTAG pCtxTag, PRTASN1CURSOR pCtxTagCursor,
2095	const char *pszErrorTag);
2096
2097	/**
2098	* Read a dynamic ASN.1 type.
2099	*
2100	* @returns IPRT status code.
2101	* @param pCursor The cursor we're decoding from.
2102	* @param fFlags RTASN1CURSOR_GET_F_XXX.
2103	* @param pDynType The output context tag object.
2104	* @param pszErrorTag Error tag.
2105	*/
2106	RTDECL(int) RTAsn1CursorGetDynType(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1DYNTYPE pDynType, const char *pszErrorTag);
2107
2108	/**
2109	* Peeks at the next ASN.1 object.
2110	*
2111	* @returns IPRT status code.
2112	* @param pCursor The cursore we're decoding from.
2113	* @param pAsn1Core Where to store the output of the peek.
2114	*/
2115	RTDECL(int) RTAsn1CursorPeek(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core);
2116
2117	/**
2118	* Checks if the next ASN.1 object matches the given tag and class/flags.
2119	*
2120	* @returns @c true on match, @c false on mismatch.
2121	* @param pCursor The cursore we're decoding from.
2122	* @param uTag The tag number to match against.
2123	* @param fClass The tag class and flags to match against.
2124	*/
2125	RTDECL(bool) RTAsn1CursorIsNextEx(PRTASN1CURSOR pCursor, uint32_t uTag, uint8_t fClass);
2126
2127
2128
2129	/** @internal */
2130	#define RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(a_uTag) \
2131	DECLINLINE(int) RT_CONCAT3(RTAsn1CursorGetContextTag,a_uTag,Cursor)(PRTASN1CURSOR pCursor, uint32_t fFlags, \
2132	PCRTASN1COREVTABLE pVtable, \
2133	RT_CONCAT(PRTASN1CONTEXTTAG,a_uTag) pCtxTag, \
2134	PRTASN1CURSOR pCtxTagCursor, const char *pszErrorTag) \
2135	{ /* Constructed is automatically implied if you need a cursor to it. */ \
2136	return RTAsn1CursorGetContextTagNCursor(pCursor, fFlags, a_uTag, pVtable, (PRTASN1CONTEXTTAG)pCtxTag, pCtxTagCursor, pszErrorTag); \
2137	} \
2138	DECLINLINE(int) RT_CONCAT3(RTAsn1ContextTag,a_uTag,InitDefault)(RT_CONCAT(PRTASN1CONTEXTTAG,a_uTag) pCtxTag) \
2139	{ /* Constructed is automatically implied if you need to init it with a default value. */ \
2140	return RTAsn1Core_InitDefault(&pCtxTag->Asn1Core, a_uTag, ASN1_TAGCLASS_CONTEXT \| ASN1_TAGFLAG_CONSTRUCTED); \
2141	} \
2142	DECLINLINE(int) RT_CONCAT3(RTAsn1CursorIsConstructedContextTag,a_uTag,Next)(PRTASN1CURSOR pCursor) \
2143	{ \
2144	return RTAsn1CursorIsNextEx(pCursor, a_uTag, ASN1_TAGCLASS_CONTEXT \| ASN1_TAGFLAG_CONSTRUCTED); \
2145	} \
2146	DECLINLINE(int) RT_CONCAT3(RTAsn1CursorIsPrimitiveContextTag,a_uTag,Next)(PRTASN1CURSOR pCursor) \
2147	{ \
2148	return RTAsn1CursorIsNextEx(pCursor, a_uTag, ASN1_TAGCLASS_CONTEXT \| ASN1_TAGFLAG_PRIMITIVE); \
2149	} \
2150	DECLINLINE(int) RT_CONCAT3(RTAsn1CursorIsAnyContextTag,a_uTag,Next)(PRTASN1CURSOR pCursor) \
2151	{ \
2152	return RTAsn1CursorIsNextEx(pCursor, a_uTag, ASN1_TAGCLASS_CONTEXT \| ASN1_TAGFLAG_CONSTRUCTED) \
2153	\|\| RTAsn1CursorIsNextEx(pCursor, a_uTag, ASN1_TAGCLASS_CONTEXT \| ASN1_TAGFLAG_PRIMITIVE);\
2154	} \
2155
2156	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(0)
2157	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(1)
2158	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(2)
2159	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(3)
2160	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(4)
2161	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(5)
2162	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(6)
2163	RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES(7)
2164	#undef RTASN1CONTEXTTAG_IMPL_CURSOR_INLINES
2165
2166
2167	/**
2168	* Checks if the next object is a boolean.
2169	*
2170	* @returns true / false
2171	* @param pCursor The cursor we're decoding from.
2172	* @remarks May produce error info output on mismatch.
2173	*/
2174	DECLINLINE(bool) RTAsn1CursorIsBooleanNext(PRTASN1CURSOR pCursor)
2175	{
2176	return RTAsn1CursorIsNextEx(pCursor, ASN1_TAG_BOOLEAN, ASN1_TAGFLAG_PRIMITIVE \| ASN1_TAGCLASS_UNIVERSAL);
2177	}
2178
2179
2180	/**
2181	* Checks if the next object is a set.
2182	*
2183	* @returns true / false
2184	* @param pCursor The cursor we're decoding from.
2185	* @remarks May produce error info output on mismatch.
2186	*/
2187	DECLINLINE(bool) RTAsn1CursorIsSetNext(PRTASN1CURSOR pCursor)
2188	{
2189	return RTAsn1CursorIsNextEx(pCursor, ASN1_TAG_SET, ASN1_TAGFLAG_CONSTRUCTED \| ASN1_TAGCLASS_UNIVERSAL);
2190	}
2191
2192
2193	/** @} */
2194
2195
2196	/** @name ASN.1 Utility APIs
2197	* @{ */
2198
2199	/**
2200	* Dumps an IPRT representation of a ASN.1 object tree.
2201	*
2202	* @returns IPRT status code.
2203	* @param pAsn1Core The ASN.1 object which members should be dumped.
2204	* @param fFlags RTASN1DUMP_F_XXX.
2205	* @param uLevel The indentation level to start at.
2206	* @param pfnPrintfV The output function.
2207	* @param pvUser Argument to the output function.
2208	*/
2209	RTDECL(int) RTAsn1Dump(PCRTASN1CORE pAsn1Core, uint32_t fFlags, uint32_t uLevel, PFNRTDUMPPRINTFV pfnPrintfV, void *pvUser);
2210
2211	/**
2212	* Queries the name for an object identifier.
2213	*
2214	* This API is very simple due to how we store the data.
2215	*
2216	* @returns IPRT status code.
2217	* @retval VINF_SUCCESS on success.
2218	* @retval VERR_NOT_FOUND if not found.
2219	* @retval VERR_BUFFER_OVERFLOW if more buffer space is required.
2220	*
2221	* @param pObjId The object ID to name.
2222	* @param pszDst Where to store the name if found.
2223	* @param cbDst The size of the destination buffer.
2224	*/
2225	RTDECL(int) RTAsn1QueryObjIdName(PCRTASN1OBJID pObjId, char *pszDst, size_t cbDst);
2226
2227	/** @} */
2228
2229	/** @} */
2230
2231	RT_C_DECLS_END
2232
2233	#endif
2234

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source: vbox/trunk/include/iprt/asn1.h@ 73662

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