asn1ber.h

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00001 /*
00002  * Copyright (c) 1997-2017 Objective Systems, Inc.
00003  *
00004  * This software is furnished under a license and may be used and copied
00005  * only in accordance with the terms of such license and with the
00006  * inclusion of the above copyright notice. This software or any other
00007  * copies thereof may not be provided or otherwise made available to any
00008  * other person. No title to and ownership of the software is hereby
00009  * transferred.
00010  *
00011  * The information in this software is subject to change without notice
00012  * and should not be construed as a commitment by Objective Systems, Inc.
00013  *
00014  * PROPRIETARY NOTICE
00015  *
00016  * This software is an unpublished work subject to a confidentiality agreement
00017  * and is protected by copyright and trade secret law.  Unauthorized copying,
00018  * redistribution or other use of this work is prohibited.
00019  *
00020  * The above notice of copyright on this source code product does not indicate
00021  * any actual or intended publication of such source code.
00022  *
00023  *****************************************************************************/
00071 #ifndef _ASN1BER_H_
00072 #define _ASN1BER_H_
00073 
00074 #include "rtsrc/asn1type.h"
00075 #include "rtbersrc/berMacros.h"
00076 #include "rtxsrc/rtxBuffer.h"    /* for OSRTBufLocDescr */
00077 
00078 typedef OSRTBufLocDescr Asn1BufLocDescr;
00079 
00080 
00081 #ifdef __cplusplus
00082 extern "C" {
00083 
00084 #endif
00085 
00086 #if defined(_WIN32) || defined(_WIN64)
00087 #ifndef EXTERNBER
00088 #ifdef BUILDASN1BERDLL
00089 #define EXTERNBER __declspec(dllexport)
00090 #elif defined (USEASN1BERDLL)
00091 #define EXTERNBER __declspec(dllimport)
00092 #else
00093 #define EXTERNBER
00094 #endif /* BUILDASN1BERDLL */
00095 #endif /* EXTERNBER */
00096 #else
00097 #ifndef EXTERNBER
00098 #define EXTERNBER
00099 #endif
00100 #endif /* WIN32 or WIN64 */
00101 
00102 /* decode functions */
00135 EXTERNBER int xd_tag (OSCTXT* pctxt, ASN1TAG *tag_p);
00136 
00157 EXTERNBER int xd_tag_len (OSCTXT *pctxt, ASN1TAG *tag_p,
00158                           int *len_p, OSOCTET flags);
00174 EXTERNBER int xd_tag_len_64 (OSCTXT *pctxt, ASN1TAG *tag_p,
00175                              OSSIZE *len_p, OSBOOL* pIndefLen, OSOCTET flags);
00176 
00201 EXTERNBER int xd_match (OSCTXT *pctxt, ASN1TAG tag,
00202                         int *len_p, OSOCTET flags);
00203 
00231 EXTERNBER int xd_match64 (OSCTXT *pctxt, ASN1TAG tag, OSSIZE* len_p,
00232                           OSBOOL* pindef, OSOCTET flags);
00233 
00259 EXTERNBER int xd_boolean (OSCTXT *pctxt, OSBOOL *object_p,
00260                           ASN1TagType tagging, int length);
00261 
00285 EXTERNBER int xd_integer (OSCTXT *pctxt, OSINT32 *object_p,
00286                           ASN1TagType tagging, int length);
00287 
00305 EXTERNBER int xd_int8 (OSCTXT *pctxt, OSINT8 *object_p,
00306                        ASN1TagType tagging, int length);
00307 
00325 EXTERNBER int xd_int16 (OSCTXT *pctxt, OSINT16 *object_p,
00326                         ASN1TagType tagging, int length);
00327 
00352 EXTERNBER int xd_unsigned (OSCTXT *pctxt, OSUINT32 *object_p,
00353                            ASN1TagType tagging, int length);
00354 
00373 EXTERNBER int xd_uint8 (OSCTXT *pctxt, OSUINT8 *object_p,
00374                         ASN1TagType tagging, int length);
00375 
00394 EXTERNBER int xd_uint16 (OSCTXT *pctxt, OSUINT16 *object_p,
00395                          ASN1TagType tagging, int length);
00396 
00417 EXTERNBER int xd_int64 (OSCTXT *pctxt, OSINT64 *object_p,
00418                         ASN1TagType tagging, int length);
00419 
00441 EXTERNBER int xd_uint64 (OSCTXT *pctxt, OSUINT64 *object_p,
00442                          ASN1TagType tagging, int length);
00443 
00473 EXTERNBER int xd_bigint (OSCTXT *pctxt, const char** object_p,
00474                          ASN1TagType tagging, int length);
00475 
00503 EXTERNBER int xd_bitstr_s (OSCTXT *pctxt, OSOCTET* object_p,
00504                            OSUINT32* numbits_p, ASN1TagType tagging,
00505                            int length);
00506 
00535 EXTERNBER int xd_bitstr64_s (OSCTXT* pctxt,
00536                              OSOCTET* object_p, OSSIZE* numbits_p,
00537                              ASN1TagType tagging, OSSIZE length,
00538                              OSBOOL indefLen);
00539 
00562 EXTERNBER int xd_bitstr (OSCTXT *pctxt, const OSOCTET** object_p2,
00563                          OSUINT32* numbits_p, ASN1TagType tagging, int length);
00564 
00589 EXTERNBER int xd_bitstr64 (OSCTXT* pctxt,
00590                            const OSOCTET** object_p2, OSSIZE* numbits_p,
00591                            ASN1TagType tagging, OSSIZE length,
00592                            OSBOOL indefLen);
00612 EXTERNBER int xd_octstr_s (OSCTXT *pctxt, OSOCTET* object_p,
00613                            OSUINT32* pnumocts, ASN1TagType tagging,
00614                            int length);
00615 
00636 EXTERNBER int xd_octstr64_s
00637 (OSCTXT* pctxt, OSOCTET* object_p, OSSIZE* pnumocts,
00638  ASN1TagType tagging, OSSIZE length, OSBOOL indefLen);
00639 
00659 EXTERNBER int xd_octstr (OSCTXT *pctxt, const OSOCTET** object_p2,
00660                          OSUINT32* pnumocts, ASN1TagType tagging, int length);
00661 
00684 EXTERNBER int xd_octstr64
00685 (OSCTXT* pctxt, OSOCTET** object_p2, OSSIZE* pnumocts,
00686  ASN1TagType tagging, OSSIZE length, OSBOOL indefLen);
00687 
00709 EXTERNBER int xd_charstr (OSCTXT* pctxt, const char** object_p,
00710                           ASN1TagType tagging, ASN1TAG tag, int length);
00711 
00736 EXTERNBER int xd_charstr64 (OSCTXT* pctxt, char** object_p,
00737                             ASN1TagType tagging, ASN1TAG tag,
00738                             OSSIZE length, OSBOOL indefLen);
00739 
00761 EXTERNBER int xd_datestr(OSCTXT* pctxt, const char** object_p,
00762                          ASN1TagType tagging, ASN1TAG tag, int length);
00763 
00785 EXTERNBER int xd_timestr(OSCTXT* pctxt, const char** object_p,
00786                          ASN1TagType tagging, ASN1TAG tag, int length);
00787 
00809 EXTERNBER int xd_datetimestr(OSCTXT* pctxt, const char** object_p,
00810                              ASN1TagType tagging, ASN1TAG tag, int length);
00811 
00833 EXTERNBER int xd_timeofdaystr(OSCTXT* pctxt, const char** object_p,
00834                               ASN1TagType tagging, ASN1TAG tag, int length);
00835 
00857 EXTERNBER int xd_durationstr(OSCTXT* pctxt, const char** object_p,
00858                              ASN1TagType tagging, ASN1TAG tag, int length);
00859 
00880 EXTERNBER int berDecCharArray (OSCTXT* pctxt, char* charArray,
00881                                OSSIZE arraySize, ASN1TagType tagging,
00882                                ASN1TAG tag, int length);
00883 
00904 #define xd_utf8str(pctxt,object_p,tagging,length) \
00905 xd_charstr (pctxt, (const char**)object_p, tagging, ASN_ID_UTF8String, length)
00906 
00929 EXTERNBER int xd_16BitCharStr (OSCTXT* pctxt, Asn116BitCharString* object_p,
00930                                ASN1TagType tagging, ASN1TAG tag, int length);
00931 
00957 EXTERNBER int xd_16BitCharStr64 (OSCTXT* pctxt, Asn116BitCharString* object_p,
00958                                  ASN1TagType tagging, ASN1TAG tag,
00959                                  OSSIZE length, OSBOOL indefLen);
00960 
00983 EXTERNBER int xd_32BitCharStr (OSCTXT* pctxt, Asn132BitCharString* object_p,
00984                                ASN1TagType tagging, ASN1TAG tag, int length);
00985 
01007 EXTERNBER int xd_32BitCharStr64 (OSCTXT* pctxt, Asn132BitCharString* object_p,
01008                                  ASN1TagType tagging, ASN1TAG tag,
01009                                  OSSIZE length, OSBOOL indefLen);
01010 
01025 EXTERNBER int xd_null (OSCTXT *pctxt, ASN1TagType tagging);
01026 
01043 EXTERNBER int xd_objid (OSCTXT *pctxt, ASN1OBJID *object_p,
01044                         ASN1TagType tagging, int length);
01045 
01063 EXTERNBER int xd_oid64 (OSCTXT *pctxt, ASN1OID64 *object_p,
01064                         ASN1TagType tagging, int length);
01065 
01082 EXTERNBER int xd_reloid (OSCTXT *pctxt, ASN1OBJID *object_p,
01083                          ASN1TagType tagging, int length);
01084 
01100 EXTERNBER int xd_real (OSCTXT *pctxt, OSREAL *object_p,
01101                        ASN1TagType tagging, int length);
01102 
01118 EXTERNBER int xd_enum (OSCTXT *pctxt, OSINT32 *object_p,
01119                        ASN1TagType tagging, int length);
01120 
01136 EXTERNBER int xd_enumUnsigned (OSCTXT *pctxt, OSUINT32 *object_p,
01137                        ASN1TagType tagging, int length);
01138 
01154 EXTERNBER int xd_OpenType (OSCTXT* pctxt, const OSOCTET** object_p2,
01155                            OSSIZE* pnumocts);
01156 
01177 EXTERNBER int xd_OpenTypeExt (OSCTXT* pctxt, ASN1CCB* ccb_p, ASN1TAG* tags,
01178                               int tagCount, OSRTDList *pElemList);
01179 
01198 EXTERNBER int xd_OpenTypeExt64 (OSCTXT* pctxt, const OSOCTET* consptr,
01199                                 OSSIZE conslen, OSBOOL indefLen, ASN1TAG* tags,
01200                                 OSSIZE tagCount, OSRTDList *pElemList);
01201 
01214 EXTERNBER int xd_OpenTypeAppend (OSCTXT *pctxt, OSRTDList *pElemList);
01215 
01231 EXTERNBER int xd_real10 (OSCTXT *pctxt, const char** object_p,
01232                          ASN1TagType tagging, int length);
01233 
01264 EXTERNBER int xd_setp (OSCTXT *pctxt, const OSOCTET* msg_p,
01265                        int msglen, ASN1TAG *tag_p, int *len_p);
01266 
01299 EXTERNBER int xd_setp64 (OSCTXT *pctxt, const OSOCTET* msg_p, OSSIZE msglen,
01300                          ASN1TAG *tag_p, OSSIZE *len_p, OSBOOL* pIndefLen);
01301 
01311 EXTERNBER int xd_indeflen_ex (const OSOCTET* msg_p, int bufSize);
01312 
01313 /* Backward compatibility macro */
01314 #define xd_indeflen(m) xd_indeflen_ex(m, INT_MAX)
01315 
01328 EXTERNBER int xd_indeflen64
01329 (const OSOCTET* msg_p, OSSIZE bufSize, OSSIZE* plength);
01330 
01342 EXTERNBER int xd_len (OSCTXT *pctxt, int *len_p);
01343 
01357 EXTERNBER int xd_len64 (OSCTXT *pctxt, OSSIZE* len_p, OSBOOL* pindef);
01358 
01373 EXTERNBER OSBOOL xd_chkend (OSCTXT* pctxt, const ASN1CCB* ccb_p);
01374 
01387 EXTERNBER OSBOOL xd_chkend64 (OSCTXT* pctxt, const OSOCTET* consptr,
01388                               OSSIZE conslen, OSBOOL indef);
01389 
01401 EXTERNBER int xd_count (OSCTXT *pctxt, int length, int *count_p);
01402 
01416 EXTERNBER int xd_count64
01417 (OSCTXT *pctxt, OSSIZE length, OSBOOL indefLen, OSSIZE *count_p);
01418 
01427 EXTERNBER int xd_NextElement (OSCTXT* pctxt);
01428 
01443 EXTERNBER int xd_Tag1AndLen (OSCTXT* pctxt, OSINT32* len_p);
01444 
01445 /* internal decode function to do memory copies */
01460 EXTERNBER int xd_memcpy (OSCTXT* pctxt, OSOCTET *object_p, int length) ;
01461 
01480 EXTERNBER int xd_match1 (OSCTXT *pctxt, OSOCTET tag, int *len_p);
01481 
01482 EXTERNBER int xd_match1_64
01483 (OSCTXT *pctxt, OSOCTET tag, OSSIZE* len_p, OSBOOL *pindef);
01484 
01485 
01488 /* file decode functions */
01489 
01525 EXTERNBER int xdf_tag (FILE* fp, ASN1TAG* ptag, OSOCTET* buffer, int* pbufidx);
01526 
01545 EXTERNBER int xdf_len (FILE* fp, OSINT32* plen, OSOCTET* buffer, int* pbufidx);
01546 
01567 EXTERNBER int xdf_TagAndLen (FILE* fp, ASN1TAG* ptag, OSINT32* plen,
01568                              OSOCTET* buffer, int* pbufidx);
01569 
01591 EXTERNBER int xdf_ReadPastEOC (FILE* fp, OSOCTET* buffer,
01592                                int bufsiz, int* pbufidx);
01593 
01617 EXTERNBER int xdf_ReadContents (FILE* fp, int len, OSOCTET* buffer,
01618                                 int bufsiz, int* pbufidx);
01623 /* encode functions */
01655 EXTERNBER int xe_identifier (OSCTXT *pctxt, OSUINT32 ident);
01656 
01671 EXTERNBER int xe_tag (OSCTXT *pctxt, ASN1TAG tag);
01672 
01699 EXTERNBER int xe_tag_len (OSCTXT *pctxt, ASN1TAG tag, int length) ;
01700 
01724 EXTERNBER int xe_boolean (OSCTXT* pctxt, OSBOOL* object_p,
01725                           ASN1TagType tagging);
01726 
01747 EXTERNBER int xe_integer (OSCTXT* pctxt, int *object_p, ASN1TagType tagging);
01748 
01770 EXTERNBER int xe_unsigned (OSCTXT* pctxt, OSUINT32 *object_p,
01771                            ASN1TagType tagging);
01772 
01793 EXTERNBER int xe_int8 (OSCTXT* pctxt, OSINT8 *object_p, ASN1TagType tagging);
01794 
01815 EXTERNBER int xe_int16 (OSCTXT* pctxt, OSINT16 *object_p, ASN1TagType tagging);
01816 
01839 EXTERNBER int xe_int64 (OSCTXT* pctxt, OSINT64 *object_p,
01840                         ASN1TagType tagging);
01841 
01865 EXTERNBER int xe_uint64 (OSCTXT* pctxt, OSUINT64 *object_p,
01866                          ASN1TagType tagging);
01867 
01889 EXTERNBER int xe_uint8 (OSCTXT* pctxt, OSUINT8 *object_p, ASN1TagType tagging);
01890 
01912 EXTERNBER int xe_uint16 (OSCTXT* pctxt, OSUINT16 *object_p, ASN1TagType tagging);
01913 
01940 EXTERNBER int xe_bigint (OSCTXT* pctxt, const char* object_p,
01941                          ASN1TagType tagging);
01942 
01964 EXTERNBER int xe_bitstr (OSCTXT* pctxt, const OSOCTET* object_p,
01965                          OSSIZE numbits, ASN1TagType tagging);
01966 
01989 EXTERNBER int xe_octstr (OSCTXT* pctxt, const OSOCTET* object_p,
01990                          OSSIZE numocts, ASN1TagType tagging);
01991 
02018 EXTERNBER int xe_charstr (OSCTXT* pctxt, const char* object_p,
02019                           ASN1TagType tagging, ASN1TAG tag);
02020 
02040 #define xe_utf8str(pctxt,object_p,tagging) \
02041 xe_charstr (pctxt, (const char*)object_p, tagging, ASN_ID_UTF8String)
02042 
02072 EXTERNBER int xe_16BitCharStr (OSCTXT* pctxt, Asn116BitCharString* object_p,
02073                                ASN1TagType tagging, ASN1TAG tag);
02074 
02104 EXTERNBER int xe_32BitCharStr (OSCTXT* pctxt, Asn132BitCharString* object_p,
02105                                ASN1TagType tagging, ASN1TAG tag);
02106 
02132 EXTERNBER int xe_datestr(OSCTXT* pctxt, const char* object_p,
02133                          ASN1TagType tagging, ASN1TAG tag);
02134 
02160 EXTERNBER int xe_timestr(OSCTXT* pctxt, const char* object_p,
02161                          ASN1TagType tagging, ASN1TAG tag);
02162 
02188 EXTERNBER int xe_datetimestr(OSCTXT* pctxt, const char* object_p,
02189                              ASN1TagType tagging, ASN1TAG tag);
02190 
02216 EXTERNBER int xe_timeofdaystr(OSCTXT* pctxt, const char* object_p,
02217                               ASN1TagType tagging, ASN1TAG tag);
02218 
02244 EXTERNBER int xe_durationstr(OSCTXT* pctxt, const char* object_p,
02245                              ASN1TagType tagging, ASN1TAG tag);
02246 
02263 EXTERNBER int xe_null (OSCTXT* pctxt, ASN1TagType tagging);
02264 
02282 EXTERNBER int xe_objid (OSCTXT* pctxt, ASN1OBJID *object_p,
02283                         ASN1TagType tagging);
02284 
02303 EXTERNBER int xe_oid64 (OSCTXT* pctxt, ASN1OID64 *object_p,
02304                         ASN1TagType tagging);
02305 
02323 EXTERNBER int xe_reloid (OSCTXT* pctxt, ASN1OBJID *object_p,
02324                          ASN1TagType tagging);
02325 
02346 EXTERNBER int xe_enum (OSCTXT* pctxt, OSINT32 *object_p, ASN1TagType tagging);
02347 
02368 EXTERNBER int xe_enumUnsigned (OSCTXT* pctxt, OSUINT32 *object_p,
02369                                ASN1TagType tagging);
02370 
02395 EXTERNBER int xe_real (OSCTXT* pctxt, OSREAL *object_p, ASN1TagType tagging);
02396 
02416 EXTERNBER int xe_OpenType (OSCTXT* pctxt, const OSOCTET* object_p,
02417                            OSSIZE numocts);
02418 
02425 EXTERNBER int xe_OpenTypeExt (OSCTXT* pctxt, OSRTDList* pElemList);
02426 
02445 EXTERNBER int xe_real10 (OSCTXT *pctxt, const char* object_p,
02446                          ASN1TagType tagging);
02447 
02466 EXTERNBER int xe_derReal10 (OSCTXT *pctxt, const char* object_p,
02467                             ASN1TagType tagging);
02468 
02486 EXTERNBER int xe_setp (OSCTXT* pctxt, OSOCTET *buf_p, int bufsiz);
02487 
02501 EXTERNBER OSOCTET* xe_getp (OSCTXT* pctxt);
02502 
02520 EXTERNBER void xe_free (OSCTXT* pctxt);
02521 
02545 EXTERNBER int xe_expandBuffer (OSCTXT *pctxt, size_t length);
02546 
02567 EXTERNBER int xe_memcpy (OSCTXT *pctxt, const OSOCTET* object_p,
02568                          size_t length) ;
02569 
02582 EXTERNBER int xe_len (OSCTXT *pctxt, int length) ;
02583 
02602 EXTERNBER int xe_derCanonicalSort (OSCTXT* pctxt, OSRTSList* pList);
02603 
02619 EXTERNBER int xe_TagAndIndefLen (OSCTXT *pctxt, ASN1TAG tag, int length) ;
02620 
02628 EXTERNBER void xe_getBufLocDescr (OSCTXT *pctxt, OSSIZE length,
02629                                   Asn1BufLocDescr* pDescr);
02630 
02650 EXTERNBER int derEncBitString
02651 (OSCTXT* pctxt, const OSOCTET* pvalue, OSUINT32 numbits,
02652  ASN1TagType tagging);
02653 
02656 /* utility functions */
02657 
02680 EXTERNBER int berDefToIndefLen (OSCTXT *pSrcCtxt, OSCTXT *pDstCtxt);
02681 
02692 EXTERNBER int berIndefToDefLen (OSCTXT *pSrcCtxt, OSCTXT *pDstCtxt);
02693 
02701 EXTERNBER OSBOOL berErrAddTagParm (OSCTXT* pctxt, ASN1TAG tag);
02702 
02703 /* Note: this definition is deprecated.  Calls to xu_addTagErrParm      */
02704 /* should be replaced with berErrAddTagParm.                            */
02705 #define xu_addTagErrParm berErrAddTagParm
02706 
02716 EXTERNBER int berErrUnexpTag (OSCTXT* pctxt, ASN1TAG exptag);
02717 
02722 EXTERNBER int berGetLibVersion (OSVOIDARG);
02723 
02729 EXTERNBER const char *berGetLibInfo (OSVOIDARG);
02730 
02749 EXTERNBER int berParseTagLen
02750 (const OSOCTET* buffer, size_t bufidx, size_t bufsiz,
02751  ASN1TAG* ptag, size_t* plen);
02752 
02762 EXTERNBER const char* berTagToString
02763 (ASN1TAG tag, char* buffer, size_t bufsiz);
02764 
02775 EXTERNBER const char* berTagToDynStr (OSCTXT* pctxt, ASN1TAG tag);
02776 
02777 
02793 EXTERNBER int berValidateIso8601DateStr(OSCTXT* pctxt, const char** ppvalue);
02794 
02810 EXTERNBER int berValidateIso8601DurationStr(OSCTXT* pctxt, const char** ppvalue);
02811 
02827 EXTERNBER int berValidateIso8601TimeStr(OSCTXT* pctxt, const char** ppvalue);
02828 
02829 
02830 EXTERNBER int xu_verify_len (OSOCTET *msg_p);
02831 EXTERNBER void *xu_parse_mmbuf (
02832   OSOCTET **buf_p2, int *buflen_p, OSOCTET *start_p, int bufsiz);
02833 
02857 EXTERNBER void xu_alloc_array (
02858   OSCTXT* pctxt, ASN1SeqOf* seqOf_p, int recSize, int recCount);
02859 
02860 EXTERNBER void xu_octscpy_s (
02861   OSUINT32* nocts_p, OSOCTET *data_p, char *cstr, char zterm);
02862 
02863 EXTERNBER void xu_octscpy_ss (ASN1OctStr *octStr_p, char *cstring, char zterm);
02864 
02865 EXTERNBER void xu_octscpy_d (
02866   OSCTXT* pctxt, OSUINT32* nocts_p, const OSOCTET** data_p2,
02867   char* cstring, char zterm);
02868 
02869 EXTERNBER void xu_octscpy_ds (
02870   OSCTXT* pctxt, ASN1DynOctStr *octStr_p, char *cstring, char zterm);
02871 
02872 EXTERNBER void xu_octmcpy_s (ASN1OctStr *octStr_p, void* data_p, int datalen);
02873 
02874 EXTERNBER void xu_octmcpy_d (
02875   OSCTXT* pctxt, ASN1DynOctStr *octStr_p, void* data_p, int datalen);
02876 
02877 EXTERNBER char* xu_fetchstr (int numocts, char *data);
02878 
02879 EXTERNBER int xu_hexstrcpy (char *data, char *hstring);
02880 EXTERNBER int xu_binstrcpy (char *data, char *bstring);
02881 
02907 EXTERNBER int xu_dump (const OSOCTET *msgptr, ASN1DumpCbFunc cb, void* cbArg_p);
02908 
02920 EXTERNBER int xu_fdump (FILE *file_p, const OSOCTET *msgptr);
02921 
02937 #define xu_hex_dump(msg,numoct,hdr) rtxHexDump(msg,numoct)
02938 
02959 EXTERNBER int xu_dump2 (OSCTXT *pctxt, const OSOCTET *msgptr);
02960 
02961 EXTERNBER void xu_fmt_tag (
02962   ASN1TAG *tag_p, char *class_p, char *form_p, char *id_code);
02963 
02964 EXTERNBER char* xu_fmt_tag2 (ASN1TAG *tag_p, char* bufp);
02965 
02966 EXTERNBER char* xu_fmt_contents (OSCTXT* pctxt, int len, int *count);
02967 
02968 EXTERNBER int  xu_fread (FILE* fp, OSOCTET* bufp, int bufsiz);
02969 
02976 EXTERNBER void xu_SaveBufferState (OSCTXT* pCtxt, OSRTBufSave* pSavedInfo);
02977 
02985 EXTERNBER void xu_RestoreBufferState (OSCTXT* pCtxt, OSRTBufSave* pSavedInfo);
02986 
02989 int xd_MovePastEOC (OSCTXT* pctxt);
02990 
02991 int xd_consStrIndefLenAndSize
02992 (OSCTXT* pctxt, ASN1TAG expectedTag, OSSIZE* length, OSSIZE* size);
02993 
02994 #ifdef __cplusplus
02995 }
02996 #endif
02997 
02998 #endif /* _OSRTBER_H_ */