asn1ber.h

Go to the documentation of this file.
00001 /*
00002  * Copyright (c) 1997-2015 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00016  * This software is an unpublished work subject to a confidentiality agreement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  *****************************************************************************/
00024 /*  CHANGE LOG */
00025 /*  Date         Init    Description */
00026 /*  05/03/02     AB      Initial issue */
00027 /*  05/06/02     AB      More only-BER things moved */
00028 /*  05/10/02     AB      RELATIVE-OID */
00029 /*  10/17/02     ED      Inline buffer save and restore macros */
00030 /*  10/26/02     AB      UInt64 encode/decode funcs added */
00031 /*  01/18/03    ED      Added more Doxygen comments */
00032 /*  10/29/03     CZ      Added doxygen code for mainpage text. */
00033 /*  */
00034 /* ////////////////////////////////////////////////////////////////////////// */
00082 #ifndef _ASN1BER_H_
00083 #define _ASN1BER_H_
00084 
00085 #include "rtsrc/asn1type.h"
00086 
00087 #define ASN_K_INDEFLEN   -9999   /* indefinite length message indicator  */
00088 
00089 #define XU_DUMP(msg)                xu_dump(msg,0,0)
00090 #define xd_resetp(pctxt)            rtxResetContext(pctxt)
00091 
00092 #define ASN1TAG2BYTE(tag) \
00093 ((OSOCTET)(((tag)&TM_B_IDCODE)|((tag)>>ASN1TAG_LSHIFT)))
00094 
00099 typedef struct _Asn1BufLocDescr {
00100    OSUINT32 numocts;
00101    OSINT32  offset;
00102 } Asn1BufLocDescr;
00103 
00104 #ifdef __cplusplus
00105 extern "C" {
00106 
00107 #endif
00108 
00109 #if defined(_WIN32) || defined(_WIN64)
00110 #ifndef EXTERNBER
00111 #ifdef BUILDASN1BERDLL
00112 #define EXTERNBER __declspec(dllexport)
00113 #elif defined (USEASN1BERDLL)
00114 #define EXTERNBER __declspec(dllimport)
00115 #else
00116 #define EXTERNBER
00117 #endif /* BUILDASN1BERDLL */
00118 #endif /* EXTERNBER */
00119 #else
00120 #ifndef EXTERNBER
00121 #define EXTERNBER
00122 #endif
00123 #endif /* WIN32 or WIN64 */
00124 
00125 /* decode functions */
00158 EXTERNBER int xd_tag (OSCTXT* pctxt, ASN1TAG *tag_p);
00159 
00180 EXTERNBER int xd_tag_len (OSCTXT *pctxt, ASN1TAG *tag_p,
00181                           int *len_p, OSOCTET flags);
00182 
00207 EXTERNBER int xd_match (OSCTXT *pctxt, ASN1TAG tag,
00208                         int *len_p, OSOCTET flags);
00209 
00235 EXTERNBER int xd_boolean (OSCTXT *pctxt, OSBOOL *object_p,
00236                           ASN1TagType tagging, int length);
00237 
00261 EXTERNBER int xd_integer (OSCTXT *pctxt, OSINT32 *object_p,
00262                           ASN1TagType tagging, int length);
00263 
00281 EXTERNBER int xd_int8 (OSCTXT *pctxt, OSINT8 *object_p,
00282                        ASN1TagType tagging, int length);
00283 
00301 EXTERNBER int xd_int16 (OSCTXT *pctxt, OSINT16 *object_p,
00302                         ASN1TagType tagging, int length);
00303 
00328 EXTERNBER int xd_unsigned (OSCTXT *pctxt, OSUINT32 *object_p,
00329                            ASN1TagType tagging, int length);
00330 
00349 EXTERNBER int xd_uint8 (OSCTXT *pctxt, OSUINT8 *object_p,
00350                         ASN1TagType tagging, int length);
00351 
00370 EXTERNBER int xd_uint16 (OSCTXT *pctxt, OSUINT16 *object_p,
00371                          ASN1TagType tagging, int length);
00372 
00393 EXTERNBER int xd_int64 (OSCTXT *pctxt, OSINT64 *object_p,
00394                         ASN1TagType tagging, int length);
00395 
00417 EXTERNBER int xd_uint64 (OSCTXT *pctxt, OSUINT64 *object_p,
00418                          ASN1TagType tagging, int length);
00419 
00449 EXTERNBER int xd_bigint (OSCTXT *pctxt, const char** object_p,
00450                          ASN1TagType tagging, int length);
00451 
00479 EXTERNBER int xd_bitstr_s (OSCTXT *pctxt, OSOCTET* object_p,
00480                            OSUINT32* numbits_p, ASN1TagType tagging,
00481                            int length);
00482 
00505 EXTERNBER int xd_bitstr (OSCTXT *pctxt, const OSOCTET** object_p2,
00506                          OSUINT32* numbits_p, ASN1TagType tagging, int length);
00507 
00527 EXTERNBER int xd_octstr_s (OSCTXT *pctxt, OSOCTET* object_p,
00528                            OSUINT32* pnumocts, ASN1TagType tagging,
00529                            int length);
00530 
00550 EXTERNBER int xd_octstr (OSCTXT *pctxt, const OSOCTET** object_p2,
00551                          OSUINT32* pnumocts, ASN1TagType tagging, int length);
00552 
00574 EXTERNBER int xd_charstr (OSCTXT* pctxt, const char** object_p,
00575                           ASN1TagType tagging, ASN1TAG tag, int length);
00576 
00597 EXTERNBER int berDecCharArray (OSCTXT* pctxt, char* charArray,
00598                                OSSIZE arraySize, ASN1TagType tagging,
00599                                ASN1TAG tag, int length);
00600 
00621 #define xd_utf8str(pctxt,object_p,tagging,length) \
00622 xd_charstr (pctxt, (const char**)object_p, tagging, ASN_ID_UTF8String, length)
00623 
00646 EXTERNBER int xd_16BitCharStr (OSCTXT* pctxt, Asn116BitCharString* object_p,
00647                                ASN1TagType tagging, ASN1TAG tag, int length);
00648 
00671 EXTERNBER int xd_32BitCharStr (OSCTXT* pctxt, Asn132BitCharString* object_p,
00672                                ASN1TagType tagging, ASN1TAG tag, int length);
00673 
00688 EXTERNBER int xd_null (OSCTXT *pctxt, ASN1TagType tagging);
00689 
00706 EXTERNBER int xd_objid (OSCTXT *pctxt, ASN1OBJID *object_p,
00707                         ASN1TagType tagging, int length);
00708 
00726 EXTERNBER int xd_oid64 (OSCTXT *pctxt, ASN1OID64 *object_p,
00727                         ASN1TagType tagging, int length);
00728 
00745 EXTERNBER int xd_reloid (OSCTXT *pctxt, ASN1OBJID *object_p,
00746                          ASN1TagType tagging, int length);
00747 
00763 EXTERNBER int xd_real (OSCTXT *pctxt, OSREAL *object_p,
00764                        ASN1TagType tagging, int length);
00765 
00781 EXTERNBER int xd_enum (OSCTXT *pctxt, OSINT32 *object_p,
00782                        ASN1TagType tagging, int length);
00783 
00799 EXTERNBER int xd_enumUnsigned (OSCTXT *pctxt, OSUINT32 *object_p,
00800                        ASN1TagType tagging, int length);
00801 
00817 EXTERNBER int xd_OpenType (OSCTXT *pctxt, const OSOCTET** object_p2,
00818                            OSUINT32* pnumocts);
00819 
00840 EXTERNBER int xd_OpenTypeExt (OSCTXT* pctxt, ASN1CCB* ccb_p, ASN1TAG* tags,
00841                               int tagCount, OSRTDList *pElemList);
00842 
00855 EXTERNBER int xd_OpenTypeAppend (OSCTXT *pctxt, OSRTDList *pElemList);
00856 
00872 EXTERNBER int xd_real10 (OSCTXT *pctxt, const char** object_p,
00873                          ASN1TagType tagging, int length);
00874 
00905 EXTERNBER int xd_setp (OSCTXT *pctxt, const OSOCTET* msg_p,
00906                        int msglen, ASN1TAG *tag_p, int *len_p);
00907 
00915 EXTERNBER int xd_indeflen_ex (const OSOCTET* msg_p, int bufSize);
00916 
00917 /* Backward compatibility macro */
00918 #define xd_indeflen(m) xd_indeflen_ex(m, INT_MAX)
00919 
00931 EXTERNBER int xd_len (OSCTXT *pctxt, int *len_p);
00932 
00947 EXTERNBER int xd_chkend (OSCTXT *pctxt, ASN1CCB* ccb_p);
00948 
00960 EXTERNBER int xd_count (OSCTXT *pctxt, int length, int *count_p);
00961 
00970 EXTERNBER int xd_NextElement (OSCTXT* pctxt);
00971 
00986 EXTERNBER int xd_Tag1AndLen (OSCTXT* pctxt, OSINT32* len_p);
00987 
00988 /* internal decode function to do memory copies */
01003 EXTERNBER int xd_memcpy (OSCTXT* pctxt, OSOCTET *object_p, int length) ;
01004 
01023 EXTERNBER int xd_match1 (OSCTXT *pctxt, OSOCTET tag, int *len_p);
01024 
01025 
01028 /* file decode functions */
01029 
01065 EXTERNBER int xdf_tag (FILE* fp, ASN1TAG* ptag, OSOCTET* buffer, int* pbufidx);
01066 
01085 EXTERNBER int xdf_len (FILE* fp, OSINT32* plen, OSOCTET* buffer, int* pbufidx);
01086 
01107 EXTERNBER int xdf_TagAndLen (FILE* fp, ASN1TAG* ptag, OSINT32* plen,
01108                              OSOCTET* buffer, int* pbufidx);
01109 
01131 EXTERNBER int xdf_ReadPastEOC (FILE* fp, OSOCTET* buffer,
01132                                int bufsiz, int* pbufidx);
01133 
01157 EXTERNBER int xdf_ReadContents (FILE* fp, int len, OSOCTET* buffer,
01158                                 int bufsiz, int* pbufidx);
01163 /* encode functions */
01211 EXTERNBER int xe_tag_len (OSCTXT *pctxt, ASN1TAG tag, int length) ;
01212 
01236 EXTERNBER int xe_boolean (OSCTXT* pctxt, OSBOOL* object_p,
01237                           ASN1TagType tagging);
01238 
01259 EXTERNBER int xe_integer (OSCTXT* pctxt, int *object_p, ASN1TagType tagging);
01260 
01282 EXTERNBER int xe_unsigned (OSCTXT* pctxt, OSUINT32 *object_p,
01283                            ASN1TagType tagging);
01284 
01305 EXTERNBER int xe_int8 (OSCTXT* pctxt, OSINT8 *object_p, ASN1TagType tagging);
01306 
01327 EXTERNBER int xe_int16 (OSCTXT* pctxt, OSINT16 *object_p, ASN1TagType tagging);
01328 
01351 EXTERNBER int xe_int64 (OSCTXT* pctxt, OSINT64 *object_p,
01352                         ASN1TagType tagging);
01353 
01377 EXTERNBER int xe_uint64 (OSCTXT* pctxt, OSUINT64 *object_p,
01378                          ASN1TagType tagging);
01379 
01401 EXTERNBER int xe_uint8 (OSCTXT* pctxt, OSUINT8 *object_p, ASN1TagType tagging);
01402 
01424 EXTERNBER int xe_uint16 (OSCTXT* pctxt, OSUINT16 *object_p, ASN1TagType tagging);
01425 
01452 EXTERNBER int xe_bigint (OSCTXT* pctxt, const char* object_p,
01453                          ASN1TagType tagging);
01454 
01476 EXTERNBER int xe_bitstr (OSCTXT* pctxt, const OSOCTET* object_p,
01477                          OSUINT32 numbits, ASN1TagType tagging);
01478 
01501 EXTERNBER int xe_octstr (OSCTXT* pctxt, const OSOCTET* object_p,
01502                          OSUINT32 numocts, ASN1TagType tagging);
01503 
01530 EXTERNBER int xe_charstr (OSCTXT* pctxt, const char* object_p,
01531                           ASN1TagType tagging, ASN1TAG tag);
01532 
01552 #define xe_utf8str(pctxt,object_p,tagging) \
01553 xe_charstr (pctxt, (const char*)object_p, tagging, ASN_ID_UTF8String)
01554 
01584 EXTERNBER int xe_16BitCharStr (OSCTXT* pctxt, Asn116BitCharString* object_p,
01585                                ASN1TagType tagging, ASN1TAG tag);
01586 
01616 EXTERNBER int xe_32BitCharStr (OSCTXT* pctxt, Asn132BitCharString* object_p,
01617                                ASN1TagType tagging, ASN1TAG tag);
01618 
01635 EXTERNBER int xe_null (OSCTXT* pctxt, ASN1TagType tagging);
01636 
01654 EXTERNBER int xe_objid (OSCTXT* pctxt, ASN1OBJID *object_p,
01655                         ASN1TagType tagging);
01656 
01675 EXTERNBER int xe_oid64 (OSCTXT* pctxt, ASN1OID64 *object_p,
01676                         ASN1TagType tagging);
01677 
01695 EXTERNBER int xe_reloid (OSCTXT* pctxt, ASN1OBJID *object_p,
01696                          ASN1TagType tagging);
01697 
01718 EXTERNBER int xe_enum (OSCTXT* pctxt, OSINT32 *object_p, ASN1TagType tagging);
01719 
01740 EXTERNBER int xe_enumUnsigned (OSCTXT* pctxt, OSUINT32 *object_p,
01741                                ASN1TagType tagging);
01742 
01767 EXTERNBER int xe_real (OSCTXT* pctxt, OSREAL *object_p, ASN1TagType tagging);
01768 
01788 EXTERNBER int xe_OpenType (OSCTXT* pctxt, const OSOCTET* object_p,
01789                            OSUINT32 numocts);
01790 
01797 EXTERNBER int xe_OpenTypeExt (OSCTXT* pctxt, OSRTDList* pElemList);
01798 
01817 EXTERNBER int xe_real10 (OSCTXT *pctxt, const char* object_p,
01818                          ASN1TagType tagging);
01819 
01838 EXTERNBER int xe_derReal10 (OSCTXT *pctxt, const char* object_p,
01839                             ASN1TagType tagging);
01840 
01858 EXTERNBER int xe_setp (OSCTXT* pctxt, OSOCTET *buf_p, int bufsiz);
01859 
01873 EXTERNBER OSOCTET* xe_getp (OSCTXT* pctxt);
01874 
01892 EXTERNBER void xe_free (OSCTXT* pctxt);
01893 
01917 EXTERNBER int xe_expandBuffer (OSCTXT *pctxt, size_t length);
01918 
01939 EXTERNBER int xe_memcpy (OSCTXT *pctxt, const OSOCTET* object_p,
01940                          size_t length) ;
01941 
01954 EXTERNBER int xe_len (OSCTXT *pctxt, int length) ;
01955 
01974 EXTERNBER int xe_derCanonicalSort (OSCTXT* pctxt, OSRTSList* pList);
01975 
01991 EXTERNBER int xe_TagAndIndefLen (OSCTXT *pctxt, ASN1TAG tag, int length) ;
01992 
02000 EXTERNBER void xe_getBufLocDescr (OSCTXT *pctxt, OSUINT32 length,
02001                                   Asn1BufLocDescr* pDescr);
02002 
02022 EXTERNBER int derEncBitString
02023 (OSCTXT* pctxt, const OSOCTET* pvalue, OSUINT32 numbits,
02024  ASN1TagType tagging);
02025 
02028 /* utility functions */
02029 
02052 EXTERNBER int berDefToIndefLen (OSCTXT *pSrcCtxt, OSCTXT *pDstCtxt);
02053 
02064 EXTERNBER int berIndefToDefLen (OSCTXT *pSrcCtxt, OSCTXT *pDstCtxt);
02065 
02073 EXTERNBER OSBOOL berErrAddTagParm (OSCTXT* pctxt, ASN1TAG tag);
02074 
02075 /* Note: this definition is deprecated.  Calls to xu_addTagErrParm      */
02076 /* should be replaced with berErrAddTagParm.                            */
02077 #define xu_addTagErrParm berErrAddTagParm
02078 
02088 EXTERNBER int berErrUnexpTag (OSCTXT* pctxt, ASN1TAG exptag);
02089 
02094 EXTERNBER int berGetLibVersion (OSVOIDARG);
02095 
02101 EXTERNBER const char *berGetLibInfo (OSVOIDARG);
02102 
02121 EXTERNBER int berParseTagLen
02122 (const OSOCTET* buffer, size_t bufidx, size_t bufsiz,
02123  ASN1TAG* ptag, size_t* plen);
02124 
02134 EXTERNBER const char* berTagToString
02135 (ASN1TAG tag, char* buffer, size_t bufsiz);
02136 
02147 EXTERNBER const char* berTagToDynStr (OSCTXT* pctxt, ASN1TAG tag);
02148 
02149 EXTERNBER int xu_verify_len (OSOCTET *msg_p);
02150 EXTERNBER void *xu_parse_mmbuf (
02151   OSOCTET **buf_p2, int *buflen_p, OSOCTET *start_p, int bufsiz);
02152 
02176 EXTERNBER void xu_alloc_array (
02177   OSCTXT* pctxt, ASN1SeqOf* seqOf_p, int recSize, int recCount);
02178 
02179 EXTERNBER void xu_octscpy_s (
02180   OSUINT32* nocts_p, OSOCTET *data_p, char *cstr, char zterm);
02181 
02182 EXTERNBER void xu_octscpy_ss (ASN1OctStr *octStr_p, char *cstring, char zterm);
02183 
02184 EXTERNBER void xu_octscpy_d (
02185   OSCTXT* pctxt, OSUINT32* nocts_p, const OSOCTET** data_p2,
02186   char* cstring, char zterm);
02187 
02188 EXTERNBER void xu_octscpy_ds (
02189   OSCTXT* pctxt, ASN1DynOctStr *octStr_p, char *cstring, char zterm);
02190 
02191 EXTERNBER void xu_octmcpy_s (ASN1OctStr *octStr_p, void* data_p, int datalen);
02192 
02193 EXTERNBER void xu_octmcpy_d (
02194   OSCTXT* pctxt, ASN1DynOctStr *octStr_p, void* data_p, int datalen);
02195 
02196 EXTERNBER char* xu_fetchstr (int numocts, char *data);
02197 
02198 EXTERNBER int xu_hexstrcpy (char *data, char *hstring);
02199 EXTERNBER int xu_binstrcpy (char *data, char *bstring);
02200 
02226 EXTERNBER int xu_dump (const OSOCTET *msgptr, ASN1DumpCbFunc cb, void* cbArg_p);
02227 
02239 EXTERNBER int xu_fdump (FILE *file_p, const OSOCTET *msgptr);
02240 
02256 #define xu_hex_dump(msg,numoct,hdr) rtxHexDump(msg,numoct)
02257 
02278 EXTERNBER int xu_dump2 (OSCTXT *pctxt, const OSOCTET *msgptr);
02279 
02280 EXTERNBER void xu_fmt_tag (
02281   ASN1TAG *tag_p, char *class_p, char *form_p, char *id_code);
02282 
02283 EXTERNBER char* xu_fmt_tag2 (ASN1TAG *tag_p, char* bufp);
02284 
02285 EXTERNBER char* xu_fmt_contents (OSCTXT* pctxt, int len, int *count);
02286 
02287 EXTERNBER int  xu_fread (FILE* fp, OSOCTET* bufp, int bufsiz);
02288 
02295 EXTERNBER void xu_SaveBufferState (OSCTXT* pCtxt, OSRTBufSave* pSavedInfo);
02296 
02304 EXTERNBER void xu_RestoreBufferState (OSCTXT* pCtxt, OSRTBufSave* pSavedInfo);
02305 
02309 /* This macro will fetch the next byte in the input stream.  A test is  */
02310 /* done for buffer overrun.                                             */
02311 
02312 #define XD_MEMCPY1(pctxt, object_p) \
02313 ((ASN1BUF_INDEFLEN(pctxt) || \
02314 ((pctxt)->buffer.byteIndex < (pctxt)->buffer.size)) ? \
02315 (*object_p = *OSRTBUFPTR(pctxt), (pctxt)->buffer.byteIndex ++, 0) : \
02316 RTERR_ENDOFBUF)
02317 
02318 /* This macro will fetch the next byte in the input stream.  No test is */
02319 /* done for buffer overrun..                                            */
02320 
02321 #define XD_FETCH1(pctxt) ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex++])
02322 
02323 /* This macro will match a single-byte tag. It does not advance the     */
02324 /* decode cursor.                                                       */
02325 
02326 #define XD_PEEKTAG(pctxt, tag) \
02327 (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] & (~0x20)) == (tag & (~0x20)))
02328 
02329 /* This macro returns true if the next tag is constructed.              */
02330 /* It does not advance the decode cursor.                               */
02331 
02332 #define XD_PEEKPC(pctxt) \
02333 (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] & 0x20) == 0x20)
02334 
02335 /* This macro will test for an EOC (end-of-context) marker */
02336 
02337 #define XD_MATCHEOC(pctxt) \
02338 ( ( (pctxt)->buffer.byteIndex + 2 <= (pctxt)->buffer.size ) && \
02339 ( (pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == 0 ) && \
02340 ( (pctxt)->buffer.data[(pctxt)->buffer.byteIndex + 1] == 0 ) )
02341 
02342 /* These macros will test a series of bytes in the decode buffer for a  */
02343 /* match.                                                               */
02344 #define XD_MATCHBYTES1(pctxt, b1) \
02345 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1)
02346 
02347 #define XD_MATCHBYTES2(pctxt, b1, b2) \
02348 (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
02349  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2))
02350 
02351 #define XD_MATCHBYTES3(pctxt, b1, b2, b3) \
02352 (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
02353  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2) && \
02354  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+2] == b3))
02355 
02356 #define XD_MATCHBYTES4(pctxt, b1, b2, b3, b4) \
02357 (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
02358  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2) && \
02359  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+2] == b3) && \
02360  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+3] == b4))
02361 
02362 #define XD_MATCHBYTES5(pctxt, b1, b2, b3, b4, b5) \
02363 (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
02364  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2) && \
02365  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+2] == b3) && \
02366  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+3] == b4) && \
02367  ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+4] == b5))
02368 
02369 /* This macro will advance the decode buffer index by the given number  */
02370 /* number of bytes.                                                     */
02371 
02372 #define XD_BUMPIDX(pctxt, nbytes) ((pctxt)->buffer.byteIndex += nbytes)
02373 
02374 /* This macro will test for buffer overrun */
02375 
02376 #define XD_CHKBUFEND(pctxt) \
02377 (((ASN1BUF_INDEFLEN(pctxt)) || \
02378 ((pctxt)->buffer.byteIndex <= (pctxt)->buffer.size)) ? 0 : RTERR_ENDOFBUF)
02379 
02380 /* This macro will test if the given length value is within the current */
02381 /* bounds of the message buffer.  The given length value is assumed to  */
02382 /* be a definite length (i.e != ASN_K_INDEFLEN)..                       */
02383 
02384 #define XD_CHKDEFLEN(pctxt,len) \
02385 (((ASN1BUF_INDEFLEN(pctxt)) || \
02386 (((pctxt)->buffer.byteIndex + len) <= (pctxt)->buffer.size)) ? \
02387 0 : RTERR_ENDOFBUF)
02388 
02389 /* This macro will test for EOB */
02390 
02391 #define XD_CHKEOB(pctxt) \
02392 (((pctxt)->buffer.byteIndex + 2 > (pctxt)->buffer.size) ? TRUE : \
02393 (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == 0 && \
02394 (pctxt)->buffer.data[(pctxt)->buffer.byteIndex + 1] == 0 ) ? \
02395 TRUE : FALSE))
02396 
02397 /* This macro will test for CCB overrun */
02398 
02399 #define XD_CHKEND(pctxt,ccb_p) \
02400 (((ccb_p)->len == ASN_K_INDEFLEN) ? XD_CHKEOB(pctxt) : \
02401 ((OSRTBUFPTR(pctxt) - (ccb_p)->ptr >= (ccb_p)->len) || \
02402 ((pctxt)->buffer.byteIndex >= (pctxt)->buffer.size)))
02403 
02404 /* This macro will check if the given amount of space is available      */
02405 /* in the encode buffer and attempt tp expand the buffer if necessary   */
02406 
02407 #define XE_CHKBUF(pctxt,len) \
02408 if (len > (pctxt)->buffer.byteIndex) { \
02409 int xstat = xe_expandBuffer (pctxt, len); \
02410 if (xstat != 0) return xstat; }
02411 
02412 /* This macro will put one byte into the encode buffer.  It is assumed  */
02413 /* that there is enough space available for the byte.                   */
02414 
02415 #define XE_PUT1(pctxt,ch) \
02416 (pctxt)->buffer.data[--(pctxt)->buffer.byteIndex] = ch;
02417 
02418 /* This macro will put two bytes into the encode buffer.  It is assumed */
02419 /* that there is enough space available for the bytes.                  */
02420 
02421 #define XE_PUT2(pctxt,ch1,ch2) \
02422 (pctxt)->buffer.byteIndex -= 2; \
02423 (pctxt)->buffer.data[(pctxt)->buffer.byteIndex] = ch1; \
02424 (pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] = ch2;
02425 
02426 /*
02427  * This macro will put one byte into the encode buffer.  It will first
02428  * check to see if enough space is available for the byte and attempt
02429  * to expand the buffer if necessary.
02430 */
02431 #define XE_SAFEPUT1(pctxt,ch) \
02432 XE_CHKBUF(pctxt,1); (pctxt)->buffer.data[--(pctxt)->buffer.byteIndex] = ch;
02433 
02434 #ifdef __cplusplus
02435 }
02436 #endif
02437 
02438 #endif /* _OSRTBER_H_ */