VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/asn1/asn1-cursor.cpp@ 52600

Last change on this file since 52600 was 52600, checked in by vboxsync, 10 years ago

IPRT: Added support for microsoft timestamp counter signatures. This required making the PKCS #7 code accept some of the CMS (RFC-5652) stuff.
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    /branches/VBox-3.0/src/VBox/Runtime/common/asn1/asn1-basics.cpp58652,​70973
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    /branches/VBox-4.0/src/VBox/Runtime/common/asn1/asn1-basics.cpp70873
    /branches/VBox-4.1/src/VBox/Runtime/common/asn1/asn1-basics.cpp74233,​78414,​78691,​81841,​82127,​85941,​85944-85947,​85949-85950,​85953,​86701,​86728,​87009
    /branches/VBox-4.2/src/VBox/Runtime/common/asn1/asn1-basics.cpp86229-86230,​86234,​86529,​91503-91504,​91506-91508,​91510,​91514-91515,​91521
    /branches/VBox-4.3/src/VBox/Runtime/common/asn1/asn1-basics.cpp91223
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    /branches/andy/draganddrop/src/VBox/Runtime/common/asn1/asn1-basics.cpp90781-91268
    /branches/andy/guestctrl20/src/VBox/Runtime/common/asn1/asn1-basics.cpp78916,​78930
    /branches/dsen/gui/src/VBox/Runtime/common/asn1/asn1-basics.cpp79076-79078,​79089,​79109-79110,​79112-79113,​79127-79130,​79134,​79141,​79151,​79155,​79157-79159,​79193,​79197
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    /branches/dsen/gui3/src/VBox/Runtime/common/asn1/asn1-basics.cpp79645-79692
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1/* $Id: asn1-cursor.cpp 52600 2014-09-04 22:59:00Z vboxsync $ */
2/** @file
3 * IPRT - ASN.1, Basic Operations.
4 */
5
6/*
7 * Copyright (C) 2006-2014 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27/*******************************************************************************
28* Header Files *
29*******************************************************************************/
30#define RT_STRICT
31#include "internal/iprt.h"
32#include <iprt/asn1.h>
33
34#include <iprt/alloca.h>
35#include <iprt/err.h>
36#include <iprt/string.h>
37#include <iprt/ctype.h>
38
39#include <iprt/formats/asn1.h>
40
41
42/*******************************************************************************
43* Defined Constants And Macros *
44*******************************************************************************/
45/** @def RTASN1_MAX_NESTING
46 * The maximum nesting depth we allow. This limit is enforced to avoid running
47 * out of stack due to malformed ASN.1 input.
48 *
49 * For reference, 'RTSignTool verify-exe RTSignTool.exe', requires a value of 15
50 * to work without hitting the limit for signatures with simple timestamps, and
51 * 23 (amd64/rel = ~3KB) for the new microsoft timestamp counter signatures.
52 */
53#ifdef IN_RING3
54# define RTASN1_MAX_NESTING 64
55#else
56# define RTASN1_MAX_NESTING 32
57#endif
58
59
60/*******************************************************************************
61* Global Variables *
62*******************************************************************************/
63static char const g_achDigits[11] = "0123456789";
64
65
66
67RTDECL(PRTASN1CURSOR) RTAsn1CursorInitPrimary(PRTASN1CURSORPRIMARY pPrimaryCursor, void const *pvFirst, uint32_t cb,
68 PRTERRINFO pErrInfo, PCRTASN1ALLOCATORVTABLE pAllocator, uint32_t fFlags,
69 const char *pszErrorTag)
70{
71 pPrimaryCursor->Cursor.pbCur = (uint8_t const *)pvFirst;
72 pPrimaryCursor->Cursor.cbLeft = cb;
73 pPrimaryCursor->Cursor.fFlags = fFlags;
74 pPrimaryCursor->Cursor.cDepth = 0;
75 pPrimaryCursor->Cursor.abReserved[0] = 0;
76 pPrimaryCursor->Cursor.abReserved[1] = 0;
77 pPrimaryCursor->Cursor.pPrimary = pPrimaryCursor;
78 pPrimaryCursor->Cursor.pUp = NULL;
79 pPrimaryCursor->Cursor.pszErrorTag = pszErrorTag;
80 pPrimaryCursor->pErrInfo = pErrInfo;
81 pPrimaryCursor->pAllocator = pAllocator;
82 return &pPrimaryCursor->Cursor;
83}
84
85
86RTDECL(int) RTAsn1CursorInitSub(PRTASN1CURSOR pParent, uint32_t cb, PRTASN1CURSOR pChild, const char *pszErrorTag)
87{
88 AssertReturn(pParent->pPrimary, VERR_ASN1_INTERNAL_ERROR_1);
89 AssertReturn(pParent->pbCur, VERR_ASN1_INTERNAL_ERROR_2);
90
91 pChild->pbCur = pParent->pbCur;
92 pChild->cbLeft = cb;
93 pChild->fFlags = pParent->fFlags;
94 pChild->cDepth = pParent->cDepth + 1;
95 AssertReturn(pChild->cDepth < RTASN1_MAX_NESTING, VERR_ASN1_TOO_DEEPLY_NESTED);
96 pChild->abReserved[0] = 0;
97 pChild->abReserved[1] = 0;
98 pChild->pPrimary = pParent->pPrimary;
99 pChild->pUp = pParent;
100 pChild->pszErrorTag = pszErrorTag;
101
102 AssertReturn(pParent->cbLeft >= cb, VERR_ASN1_INTERNAL_ERROR_3);
103 pParent->pbCur += cb;
104 pParent->cbLeft -= cb;
105
106 return VINF_SUCCESS;
107}
108
109
110RTDECL(int) RTAsn1CursorInitSubFromCore(PRTASN1CURSOR pParent, PRTASN1CORE pAsn1Core,
111 PRTASN1CURSOR pChild, const char *pszErrorTag)
112{
113 AssertReturn(pParent->pPrimary, VERR_ASN1_INTERNAL_ERROR_1);
114 AssertReturn(pParent->pbCur, VERR_ASN1_INTERNAL_ERROR_2);
115
116 pChild->pbCur = pAsn1Core->uData.pu8;
117 pChild->cbLeft = pAsn1Core->cb;
118 pChild->fFlags = pParent->fFlags;
119 pChild->cDepth = pParent->cDepth + 1;
120 AssertReturn(pChild->cDepth < RTASN1_MAX_NESTING, VERR_ASN1_TOO_DEEPLY_NESTED);
121 pChild->abReserved[0] = 0;
122 pChild->abReserved[1] = 0;
123 pChild->pPrimary = pParent->pPrimary;
124 pChild->pUp = pParent;
125 pChild->pszErrorTag = pszErrorTag;
126
127 return VINF_SUCCESS;
128}
129
130
131RTDECL(int) RTAsn1CursorSetInfoV(PRTASN1CURSOR pCursor, int rc, const char *pszMsg, va_list va)
132{
133 PRTERRINFO pErrInfo = pCursor->pPrimary->pErrInfo;
134 if (pErrInfo)
135 {
136 /* Format the message. */
137 RTErrInfoSetV(pErrInfo, rc, pszMsg, va);
138
139 /* Add the prefixes. This isn't the fastest way, but it's the one
140 which eats the least stack. */
141 char *pszBuf = pErrInfo->pszMsg;
142 size_t cbBuf = pErrInfo->cbMsg;
143 if (pszBuf && cbBuf > 32)
144 {
145 size_t cbMove = strlen(pszBuf) + 1;
146
147 /* Make sure there is a ': '. */
148 bool fFirst = false;
149 if (pszMsg[0] != '%' || pszMsg[1] != 's' || pszMsg[2] != ':')
150 {
151 if (cbMove + 2 < cbBuf)
152 {
153 memmove(pszBuf + 2, pszBuf, cbMove);
154 pszBuf[0] = ':';
155 pszBuf[1] = ' ';
156 cbMove += 2;
157 fFirst = true;
158 }
159 }
160
161 /* Add the prefixes from the cursor chain. */
162 while (pCursor)
163 {
164 if (pCursor->pszErrorTag)
165 {
166 size_t cchErrorTag = strlen(pCursor->pszErrorTag);
167 if (cchErrorTag + !fFirst + cbMove > cbBuf)
168 break;
169 memmove(pszBuf + cchErrorTag + !fFirst, pszBuf, cbMove);
170 memcpy(pszBuf, pCursor->pszErrorTag, cchErrorTag);
171 if (!fFirst)
172 pszBuf[cchErrorTag] = '.';
173 cbMove += cchErrorTag + !fFirst;
174 fFirst = false;
175 }
176 pCursor = pCursor->pUp;
177 }
178 }
179 }
180
181 return rc;
182}
183
184
185RTDECL(int) RTAsn1CursorSetInfo(PRTASN1CURSOR pCursor, int rc, const char *pszMsg, ...)
186{
187 va_list va;
188 va_start(va, pszMsg);
189 rc = RTAsn1CursorSetInfoV(pCursor, rc, pszMsg, va);
190 va_end(va);
191 return rc;
192}
193
194
195RTDECL(int) RTAsn1CursorCheckEnd(PRTASN1CURSOR pCursor)
196{
197 if (pCursor->cbLeft == 0)
198 return VINF_SUCCESS;
199 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_NOT_AT_END,
200 "%u (%#x) bytes left over", pCursor->cbLeft, pCursor->cbLeft);
201}
202
203
204RTDECL(PRTASN1ALLOCATION) RTAsn1CursorInitAllocation(PRTASN1CURSOR pCursor, PRTASN1ALLOCATION pAllocation)
205{
206 pAllocation->cbAllocated = 0;
207 pAllocation->cReallocs = 0;
208 pAllocation->uReserved0 = 0;
209 pAllocation->pAllocator = pCursor->pPrimary->pAllocator;
210 return pAllocation;
211}
212
213
214RTDECL(int) RTAsn1CursorReadHdr(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core, const char *pszErrorTag)
215{
216 /*
217 * Initialize the return structure in case of failure.
218 */
219 pAsn1Core->uTag = 0;
220 pAsn1Core->fClass = 0;
221 pAsn1Core->uRealTag = 0;
222 pAsn1Core->fRealClass = 0;
223 pAsn1Core->cbHdr = 0;
224 pAsn1Core->cb = 0;
225 pAsn1Core->fFlags = 0;
226 pAsn1Core->uData.pv = NULL;
227 pAsn1Core->pOps = NULL;
228
229 /*
230 * The header has at least two bytes: Type & length.
231 */
232 if (pCursor->cbLeft >= 2)
233 {
234 uint32_t uTag = pCursor->pbCur[0];
235 uint32_t cb = pCursor->pbCur[1];
236 pCursor->cbLeft -= 2;
237 pCursor->pbCur += 2;
238
239 pAsn1Core->uRealTag = pAsn1Core->uTag = uTag & ASN1_TAG_MASK;
240 pAsn1Core->fRealClass = pAsn1Core->fClass = uTag & ~ASN1_TAG_MASK;
241 pAsn1Core->cbHdr = 2;
242 if ((uTag & ASN1_TAG_MASK) == ASN1_TAG_USE_LONG_FORM)
243 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_LONG_TAG,
244 "%s: Implement parsing of tags > 30: %#x (length=%#x)", pszErrorTag, uTag, cb);
245
246 /* Extended length field? */
247 if (cb & RT_BIT(7))
248 {
249 if (cb != RT_BIT(7))
250 {
251 /* Definite form. */
252 uint8_t cbEnc = cb & 0x7f;
253 if (cbEnc > pCursor->cbLeft)
254 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_BAD_LENGTH_ENCODING,
255 "%s: Extended BER length field longer than available data: %#x vs %#x (uTag=%#x)",
256 pszErrorTag, cbEnc, pCursor->cbLeft, uTag);
257 switch (cbEnc)
258 {
259 case 1:
260 cb = pCursor->pbCur[0];
261 break;
262 case 2:
263 cb = RT_MAKE_U16(pCursor->pbCur[1], pCursor->pbCur[0]);
264 break;
265 case 3:
266 cb = RT_MAKE_U32_FROM_U8(pCursor->pbCur[2], pCursor->pbCur[1], pCursor->pbCur[0], 0);
267 break;
268 case 4:
269 cb = RT_MAKE_U32_FROM_U8(pCursor->pbCur[3], pCursor->pbCur[2], pCursor->pbCur[1], pCursor->pbCur[0]);
270 break;
271 default:
272 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_BAD_LENGTH_ENCODING,
273 "%s: Too long/short extended BER length field: %#x (uTag=%#x)",
274 pszErrorTag, cbEnc, uTag);
275 }
276 pCursor->cbLeft -= cbEnc;
277 pCursor->pbCur += cbEnc;
278 pAsn1Core->cbHdr += cbEnc;
279
280 /* Check the length encoding efficiency (T-REC-X.690-200811 10.1, 9.1). */
281 if (pCursor->fFlags & (RTASN1CURSOR_FLAGS_DER | RTASN1CURSOR_FLAGS_CER))
282 {
283 if (cb <= 0x7f)
284 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_BAD_LENGTH_ENCODING,
285 "%s: Invalid DER/CER length encoding: cbEnc=%u cb=%#x uTag=%#x",
286 pszErrorTag, cbEnc, cb, uTag);
287 uint8_t cbNeeded;
288 if (cb <= 0x000000ff) cbNeeded = 1;
289 else if (cb <= 0x0000ffff) cbNeeded = 2;
290 else if (cb <= 0x00ffffff) cbNeeded = 3;
291 else cbNeeded = 4;
292 if (cbNeeded != cbEnc)
293 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_BAD_LENGTH_ENCODING,
294 "%s: Invalid DER/CER length encoding: cb=%#x uTag=%#x cbEnc=%u cbNeeded=%u",
295 pszErrorTag, cb, uTag, cbEnc, cbNeeded);
296 }
297 }
298 /* Indefinite form. */
299 else if (pCursor->fFlags & RTASN1CURSOR_FLAGS_DER)
300 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_ILLEGAL_IDEFINITE_LENGTH,
301 "%s: Indefinite length form not allowed in DER mode (uTag=%#x).", pszErrorTag, uTag);
302 else
303 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_IDEFINITE_LENGTH_NOT_SUP,
304 "%s: Indefinite BER/CER length not supported (uTag=%#x)", pszErrorTag, uTag);
305 }
306
307 /* Check if the length makes sense. */
308 if (cb > pCursor->cbLeft)
309 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_BAD_LENGTH,
310 "%s: BER value length out of bounds: %#x (max=%#x uTag=%#x)",
311 pszErrorTag, cb, pCursor->cbLeft, uTag);
312
313 pAsn1Core->fFlags |= RTASN1CORE_F_PRESENT | RTASN1CORE_F_DECODED_CONTENT;
314 pAsn1Core->cb = cb;
315 pAsn1Core->uData.pv = (void *)pCursor->pbCur;
316 return VINF_SUCCESS;
317 }
318
319 if (pCursor->cbLeft)
320 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_TOO_LITTLE_DATA_LEFT,
321 "%s: Too little data left to form a valid BER header", pszErrorTag);
322 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_NO_MORE_DATA,
323 "%s: No more data reading BER header", pszErrorTag);
324}
325
326
327RTDECL(int) RTAsn1CursorMatchTagClassFlagsEx(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core, uint32_t uTag, uint32_t fClass,
328 bool fString, uint32_t fFlags, const char *pszErrorTag, const char *pszWhat)
329{
330 if (pAsn1Core->uTag == uTag)
331 {
332 if (pAsn1Core->fClass == fClass)
333 return VINF_SUCCESS;
334 if ( fString
335 && pAsn1Core->fClass == (fClass | ASN1_TAGFLAG_CONSTRUCTED))
336 {
337 if (!(pCursor->fFlags & (RTASN1CURSOR_FLAGS_DER | RTASN1CURSOR_FLAGS_CER)))
338 return VINF_SUCCESS;
339 if (pCursor->fFlags & RTASN1CURSOR_FLAGS_CER)
340 {
341 if (pAsn1Core->cb > 1000)
342 return VINF_SUCCESS;
343 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_ILLEGAL_CONSTRUCTED_STRING,
344 "%s: Constructed %s only allowed for >1000 byte in CER encoding: cb=%#x uTag=%#x fClass=%#x",
345 pszErrorTag, pszWhat, pAsn1Core->cb, pAsn1Core->uTag, pAsn1Core->fClass);
346 }
347 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_ILLEGAL_CONSTRUCTED_STRING,
348 "%s: DER encoding does not allow constructed %s (cb=%#x uTag=%#x fClass=%#x)",
349 pszErrorTag, pszWhat, pAsn1Core->cb, pAsn1Core->uTag, pAsn1Core->fClass);
350 }
351 }
352
353 if (fFlags & RTASN1CURSOR_GET_F_IMPLICIT)
354 {
355 pAsn1Core->fFlags |= RTASN1CORE_F_TAG_IMPLICIT;
356 pAsn1Core->uRealTag = uTag;
357 pAsn1Core->fRealClass = fClass;
358 return VINF_SUCCESS;
359 }
360
361 return RTAsn1CursorSetInfo(pCursor, pAsn1Core->uTag != uTag ? VERR_ASN1_CURSOR_TAG_MISMATCH : VERR_ASN1_CURSOR_TAG_FLAG_CLASS_MISMATCH,
362 "%s: Unexpected %s type/flags: %#x/%#x (expected %#x/%#x)",
363 pszErrorTag, pszWhat, pAsn1Core->uTag, pAsn1Core->fClass, uTag, fClass);
364}
365
366
367
368static int rtAsn1CursorGetXxxxCursor(PRTASN1CURSOR pCursor, uint32_t fFlags, uint32_t uTag, uint8_t fClass,
369 PRTASN1CORE pAsn1Core, PRTASN1CURSOR pRetCursor,
370 const char *pszErrorTag, const char *pszWhat)
371{
372 int rc = RTAsn1CursorReadHdr(pCursor, pAsn1Core, pszErrorTag);
373 if (RT_SUCCESS(rc))
374 {
375 if ( pAsn1Core->uTag == uTag
376 && pAsn1Core->fClass == fClass)
377 rc = VINF_SUCCESS;
378 else if (fFlags & RTASN1CURSOR_GET_F_IMPLICIT)
379 {
380 pAsn1Core->fFlags |= RTASN1CORE_F_TAG_IMPLICIT;
381 pAsn1Core->uRealTag = uTag;
382 pAsn1Core->fRealClass = fClass;
383 rc = VINF_SUCCESS;
384 }
385 else
386 return RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CURSOR_ILLEGAL_CONSTRUCTED_STRING,
387 "%s: Unexpected %s type/flags: %#x/%#x (expected %#x/%#x)",
388 pszErrorTag, pszWhat, pAsn1Core->uTag, pAsn1Core->fClass, uTag, fClass);
389 rc = RTAsn1CursorInitSub(pCursor, pAsn1Core->cb, pRetCursor, pszErrorTag);
390 if (RT_SUCCESS(rc))
391 {
392 pAsn1Core->fFlags |= RTASN1CORE_F_PRIMITE_TAG_STRUCT;
393 return VINF_SUCCESS;
394 }
395 }
396 return rc;
397}
398
399
400RTDECL(int) RTAsn1CursorGetSequenceCursor(PRTASN1CURSOR pCursor, uint32_t fFlags,
401 PRTASN1SEQUENCECORE pSeqCore, PRTASN1CURSOR pSeqCursor, const char *pszErrorTag)
402{
403 return rtAsn1CursorGetXxxxCursor(pCursor, fFlags, ASN1_TAG_SEQUENCE, ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_CONSTRUCTED,
404 &pSeqCore->Asn1Core, pSeqCursor, pszErrorTag, "sequence");
405}
406
407
408RTDECL(int) RTAsn1CursorGetSetCursor(PRTASN1CURSOR pCursor, uint32_t fFlags,
409 PRTASN1SETCORE pSetCore, PRTASN1CURSOR pSetCursor, const char *pszErrorTag)
410{
411 return rtAsn1CursorGetXxxxCursor(pCursor, fFlags, ASN1_TAG_SET, ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_CONSTRUCTED,
412 &pSetCore->Asn1Core, pSetCursor, pszErrorTag, "set");
413}
414
415
416RTDECL(int) RTAsn1CursorGetContextTagNCursor(PRTASN1CURSOR pCursor, uint32_t fFlags, uint32_t uExpectedTag,
417 PRTASN1CONTEXTTAG pCtxTag, PRTASN1CURSOR pCtxTagCursor, const char *pszErrorTag)
418{
419 return rtAsn1CursorGetXxxxCursor(pCursor, fFlags, uExpectedTag, ASN1_TAGCLASS_CONTEXT | ASN1_TAGFLAG_CONSTRUCTED,
420 &pCtxTag->Asn1Core, pCtxTagCursor, pszErrorTag, "ctx tag");
421}
422
423
424RTDECL(int) RTAsn1CursorPeek(PRTASN1CURSOR pCursor, PRTASN1CORE pAsn1Core)
425{
426 uint32_t cbSavedLeft = pCursor->cbLeft;
427 uint8_t const *pbSavedCur = pCursor->pbCur;
428 PRTERRINFO pErrInfo = pCursor->pPrimary->pErrInfo;
429 pCursor->pPrimary->pErrInfo = NULL;
430
431 int rc = RTAsn1CursorReadHdr(pCursor, pAsn1Core, "peek");
432
433 pCursor->pPrimary->pErrInfo = pErrInfo;
434 pCursor->pbCur = pbSavedCur;
435 pCursor->cbLeft = cbSavedLeft;
436 return rc;
437}
438
439
440RTDECL(bool) RTAsn1CursorIsNextEx(PRTASN1CURSOR pCursor, uint32_t uTag, uint8_t fClass)
441{
442 RTASN1CORE Asn1Core;
443 int rc = RTAsn1CursorPeek(pCursor, &Asn1Core);
444 if (RT_SUCCESS(rc))
445 return uTag == Asn1Core.uTag
446 && fClass == Asn1Core.fClass;
447 return false;
448}
449
450
451/** @name Legacy Interfaces.
452 * @{ */
453RTDECL(int) RTAsn1CursorGetCore(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1CORE pAsn1Core, const char *pszErrorTag)
454{
455 return RTAsn1Core_DecodeAsn1(pCursor, fFlags, pAsn1Core, pszErrorTag);
456}
457
458
459RTDECL(int) RTAsn1CursorGetNull(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1NULL pNull, const char *pszErrorTag)
460{
461 return RTAsn1Null_DecodeAsn1(pCursor, fFlags, pNull, pszErrorTag);
462}
463
464
465RTDECL(int) RTAsn1CursorGetInteger(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1INTEGER pInteger, const char *pszErrorTag)
466{
467 return RTAsn1Integer_DecodeAsn1(pCursor, fFlags, pInteger, pszErrorTag);
468}
469
470
471RTDECL(int) RTAsn1CursorGetBoolean(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1BOOLEAN pBoolean, const char *pszErrorTag)
472{
473 return RTAsn1Boolean_DecodeAsn1(pCursor, fFlags, pBoolean, pszErrorTag);
474}
475
476
477RTDECL(int) RTAsn1CursorGetObjId(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1OBJID pObjId, const char *pszErrorTag)
478{
479 return RTAsn1ObjId_DecodeAsn1(pCursor, fFlags, pObjId, pszErrorTag);
480}
481
482
483RTDECL(int) RTAsn1CursorGetTime(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1TIME pTime, const char *pszErrorTag)
484{
485 return RTAsn1Time_DecodeAsn1(pCursor, fFlags, pTime, pszErrorTag);
486}
487
488
489RTDECL(int) RTAsn1CursorGetBitStringEx(PRTASN1CURSOR pCursor, uint32_t fFlags, uint32_t cMaxBits, PRTASN1BITSTRING pBitString,
490 const char *pszErrorTag)
491{
492 return RTAsn1BitString_DecodeAsn1Ex(pCursor, fFlags, cMaxBits, pBitString, pszErrorTag);
493}
494
495
496RTDECL(int) RTAsn1CursorGetBitString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1BITSTRING pBitString, const char *pszErrorTag)
497{
498 return RTAsn1BitString_DecodeAsn1(pCursor, fFlags, pBitString, pszErrorTag);
499}
500
501
502RTDECL(int) RTAsn1CursorGetOctetString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1OCTETSTRING pOctetString,
503 const char *pszErrorTag)
504{
505 return RTAsn1OctetString_DecodeAsn1(pCursor, fFlags, pOctetString, pszErrorTag);
506}
507
508
509RTDECL(int) RTAsn1CursorGetString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag)
510{
511 return RTAsn1String_DecodeAsn1(pCursor, fFlags, pString, pszErrorTag);
512}
513
514
515RTDECL(int) RTAsn1CursorGetIa5String(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag)
516{
517 return RTAsn1Ia5String_DecodeAsn1(pCursor, fFlags, pString, pszErrorTag);
518}
519
520
521RTDECL(int) RTAsn1CursorGetUtf8String(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag)
522{
523 return RTAsn1Utf8String_DecodeAsn1(pCursor, fFlags, pString, pszErrorTag);
524}
525
526
527RTDECL(int) RTAsn1CursorGetBmpString(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1STRING pString, const char *pszErrorTag)
528{
529 return RTAsn1BmpString_DecodeAsn1(pCursor, fFlags, pString, pszErrorTag);
530}
531
532
533RTDECL(int) RTAsn1CursorGetDynType(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1DYNTYPE pDynType, const char *pszErrorTag)
534{
535 return RTAsn1DynType_DecodeAsn1(pCursor, fFlags, pDynType, pszErrorTag);
536}
537/** @} */
538
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