DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Untracked file

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220
/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape security libraries.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#ifndef _SECDER_H_
#define _SECDER_H_

/*
 * secder.h - public data structures and prototypes for the DER encoding and
 *	      decoding utilities library
 *
 * $Id: secder.h,v 1.6 2004/01/07 23:07:24 jpierre%netscape.com Exp $
 */

#if defined(_WIN32_WCE)
#else
#include <time.h>
#endif

#include "plarena.h"
#include "prlong.h"

#include "seccomon.h"
#include "secdert.h"
#include "prtime.h"

SEC_BEGIN_PROTOS

/*
** Decode a piece of der encoded data.
** 	"dest" points to a structure that will be filled in with the
**	   decoding results.  (NOTE: it should be zeroed before calling;
**	   optional/missing fields are not zero-filled by DER_Decode.)
**	"t" is a template structure which defines the shape of the
**	   expected data.
**	"src" is the der encoded data.
** NOTE: substructures of "dest" will be allocated as needed from
** "arena", but data subfields will point directly into the buffer
** passed in as src->data.  That is, the resulting "dest" structure
** will contain pointers back into src->data, which must remain
** active (allocated) and unmodified for as long as "dest" is active.
** If this is a potential problem, you may want to just dup the buffer
** (allocated from "arena", probably) and pass *that* in instead.
*/
extern SECStatus DER_Decode(PRArenaPool *arena, void *dest, DERTemplate *t,
			   SECItem *src);

/*
** Encode a data structure into DER.
**	"dest" will be filled in (and memory allocated) to hold the der
**	   encoded structure in "src"
**	"t" is a template structure which defines the shape of the
**	   stored data
**	"src" is a pointer to the structure that will be encoded
*/
extern SECStatus DER_Encode(PRArenaPool *arena, SECItem *dest, DERTemplate *t,
			   void *src);

extern SECStatus DER_Lengths(SECItem *item, int *header_len_p, uint32 *contents_len_p);

/*
** Lower level der subroutine that stores the standard header into "to".
** The header is of variable length, based on encodingLen.
** The return value is the new value of "to" after skipping over the header.
**	"to" is where the header will be stored
**	"code" is the der code to write
**	"encodingLen" is the number of bytes of data that will follow
**	   the header
*/
extern unsigned char *DER_StoreHeader(unsigned char *to, unsigned int code,
				      uint32 encodingLen);

/*
** Return the number of bytes it will take to hold a der encoded length.
*/
extern int DER_LengthLength(uint32 len);

/*
** Store a der encoded *signed* integer (whose value is "src") into "dst".
** XXX This should really be enhanced to take a long.
*/
extern SECStatus DER_SetInteger(PRArenaPool *arena, SECItem *dst, int32 src);

/*
** Store a der encoded *unsigned* integer (whose value is "src") into "dst".
** XXX This should really be enhanced to take an unsigned long.
*/
extern SECStatus DER_SetUInteger(PRArenaPool *arena, SECItem *dst, uint32 src);

/*
** Decode a der encoded *signed* integer that is stored in "src".
** If "-1" is returned, then the caller should check the error in
** XP_GetError() to see if an overflow occurred (SEC_ERROR_BAD_DER).
*/
extern long DER_GetInteger(SECItem *src);

/*
** Decode a der encoded *unsigned* integer that is stored in "src".
** If the ULONG_MAX is returned, then the caller should check the error
** in XP_GetError() to see if an overflow occurred (SEC_ERROR_BAD_DER).
*/
extern unsigned long DER_GetUInteger(SECItem *src);

/*
** Convert a "UNIX" time value to a der encoded time value.
**	"result" is the der encoded time (memory is allocated)
**	"time" is the "UNIX" time value (Since Jan 1st, 1970).
** The caller is responsible for freeing up the buffer which
** result->data points to upon a successfull operation.
*/
extern SECStatus DER_TimeToUTCTime(SECItem *result, int64 time);
extern SECStatus DER_TimeToUTCTimeArena(PRArenaPool* arenaOpt,
                                        SECItem *dst, int64 gmttime);


/*
** Convert an ascii encoded time value (according to DER rules) into
** a UNIX time value.
**	"result" the resulting "UNIX" time
**	"string" the der notation ascii value to decode
*/
extern SECStatus DER_AsciiToTime(int64 *result, const char *string);

/*
** Same as DER_AsciiToTime except takes an SECItem instead of a string
*/
extern SECStatus DER_UTCTimeToTime(int64 *result, const SECItem *time);

/*
** Convert a DER encoded UTC time to an ascii time representation
** "utctime" is the DER encoded UTC time to be converted. The
** caller is responsible for deallocating the returned buffer.
*/
extern char *DER_UTCTimeToAscii(SECItem *utcTime);

/*
** Convert a DER encoded UTC time to an ascii time representation, but only
** include the day, not the time.
**	"utctime" is the DER encoded UTC time to be converted.
** The caller is responsible for deallocating the returned buffer.
*/
extern char *DER_UTCDayToAscii(SECItem *utctime);
/* same thing for DER encoded GeneralizedTime */
extern char *DER_GeneralizedDayToAscii(SECItem *gentime);
/* same thing for either DER UTCTime or GeneralizedTime */
extern char *DER_TimeChoiceDayToAscii(SECItem *timechoice);

/*
** Convert a int64 time to a DER encoded Generalized time
*/
extern SECStatus DER_TimeToGeneralizedTime(SECItem *dst, int64 gmttime);
extern SECStatus DER_TimeToGeneralizedTimeArena(PRArenaPool* arenaOpt,
                                                SECItem *dst, int64 gmttime);

/*
** Convert a DER encoded Generalized time value into a UNIX time value.
**	"dst" the resulting "UNIX" time
**	"string" the der notation ascii value to decode
*/
extern SECStatus DER_GeneralizedTimeToTime(int64 *dst, const SECItem *time);

/*
** Convert from a int64 UTC time value to a formatted ascii value. The
** caller is responsible for deallocating the returned buffer.
*/
extern char *CERT_UTCTime2FormattedAscii (int64 utcTime, char *format);
#define CERT_GeneralizedTime2FormattedAscii CERT_UTCTime2FormattedAscii

/*
** Convert from a int64 Generalized time value to a formatted ascii value. The
** caller is responsible for deallocating the returned buffer.
*/
extern char *CERT_GenTime2FormattedAscii (int64 genTime, char *format);

/*
** decode a SECItem containing either a SEC_ASN1_GENERALIZED_TIME 
** or a SEC_ASN1_UTC_TIME
*/

extern SECStatus DER_DecodeTimeChoice(PRTime* output, const SECItem* input);

/* encode a PRTime to an ASN.1 DER SECItem containing either a
   SEC_ASN1_GENERALIZED_TIME or a SEC_ASN1_UTC_TIME */

extern SECStatus DER_EncodeTimeChoice(PRArenaPool* arena, SECItem* output,
                                       PRTime input);

SEC_END_PROTOS

#endif /* _SECDER_H_ */