+++ /dev/null
-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-/*
- File: cssmdatetime.cpp
-
- Contains: CSSM date and time utilities for the Mac
-
- Written by: The Hindsight team
-
- Copyright: © 1997-2000 by Apple Computer, Inc., all rights reserved.
-
- Change History (most recent first):
-
- To Do:
-*/
-
-#ifdef __MWERKS__
-#define _CPP_CSSM_DATE_TIME_UTILS
-#endif
-
-#include "cssmdatetime.h"
-
-#include <string.h>
-#include <stdio.h>
-#include <Security/utilities.h>
-#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/MacErrors.h>
-#include <CoreFoundation/CFDate.h>
-#include <CoreFoundation/CFTimeZone.h>
-#include <ctype.h>
-
-namespace Security
-{
-
-namespace CSSMDateTimeUtils
-{
-
-#define MAX_TIME_STR_LEN 30
-#define UTC_TIME_STRLEN 13
-#define GENERALIZED_TIME_STRLEN 15
-
-
-void
-GetCurrentMacLongDateTime(SInt64 &outMacDate)
-{
- CFTimeZoneRef timeZone = CFTimeZoneCopyDefault();
- CFAbsoluteTime absTime = CFAbsoluteTimeGetCurrent();
- absTime += CFTimeZoneGetSecondsFromGMT(timeZone, absTime);
- CFRelease(timeZone);
- outMacDate = SInt64(double(absTime + kCFAbsoluteTimeIntervalSince1904));
-}
-
-void
-TimeStringToMacSeconds (const CSSM_DATA &inUTCTime, UInt32 &ioMacDate)
-{
- SInt64 ldt;
- TimeStringToMacLongDateTime(inUTCTime, ldt);
- ioMacDate = UInt32(ldt);
-}
-
-/*
- * Given a CSSM_DATA containing either a UTC-style or "generalized time"
- * time string, convert to 32-bit Mac time in seconds.
- * Returns nonzero on error.
- */
-void
-TimeStringToMacLongDateTime (const CSSM_DATA &inUTCTime, SInt64 &outMacDate)
-{
- char szTemp[5];
- unsigned len;
- int isUtc;
- sint32 x;
- sint32 i;
- char *cp;
-
- CFGregorianDate date;
- ::memset( &date, 0, sizeof(date) );
-
- if ((inUTCTime.Data == NULL) || (inUTCTime.Length == 0))
- {
- MacOSError::throwMe(paramErr);
- }
-
- /* tolerate NULL terminated or not */
- len = inUTCTime.Length;
- if (inUTCTime.Data[len - 1] == '\0')
- len--;
-
- switch(len)
- {
- case UTC_TIME_STRLEN: // 2-digit year, not Y2K compliant
- isUtc = 1;
- break;
- case GENERALIZED_TIME_STRLEN: // 4-digit year
- isUtc = 0;
- break;
- default: // unknown format
- MacOSError::throwMe(paramErr);
- }
-
- cp = (char *)inUTCTime.Data;
-
- /* check that all characters except last are digits */
- for(i=0; i<(sint32)(len - 1); i++) {
- if ( !(isdigit(cp[i])) ) {
- MacOSError::throwMe(paramErr);
- }
- }
-
- /* check last character is a 'Z' */
- if(cp[len - 1] != 'Z' ) {
- MacOSError::throwMe(paramErr);
- }
-
- /* YEAR */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- if(!isUtc) {
- /* two more digits */
- szTemp[2] = *cp++;
- szTemp[3] = *cp++;
- szTemp[4] = '\0';
- }
- else {
- szTemp[2] = '\0';
- }
- x = atoi( szTemp );
- if(isUtc) {
- /*
- * 2-digit year.
- * 0 <= year <= 50 : assume century 21
- * 50 < year < 70 : illegal per PKIX
- * 70 < year <= 99 : assume century 20
- */
- if(x <= 50) {
- x += 100;
- }
- else if(x < 70) {
- MacOSError::throwMe(paramErr);
- }
- /* else century 20, OK */
-
- /* bug fix... we need to end up with a 4-digit year! */
- x += 1900;
- }
- /* by definition - tm_year is year - 1900 */
- //tmp->tm_year = x - 1900;
- date.year = x;
-
- /* MONTH */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- /* in the string, months are from 1 to 12 */
- if((x > 12) || (x <= 0)) {
- MacOSError::throwMe(paramErr);
- }
- /* in a tm, 0 to 11 */
- //tmp->tm_mon = x - 1;
- date.month = x;
-
- /* DAY */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- /* 1..31 in both formats */
- if((x > 31) || (x <= 0)) {
- MacOSError::throwMe(paramErr);
- }
- //tmp->tm_mday = x;
- date.day = x;
-
- /* HOUR */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 23) || (x < 0)) {
- MacOSError::throwMe(paramErr);
- }
- //tmp->tm_hour = x;
- date.hour = x;
-
- /* MINUTE */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 59) || (x < 0)) {
- MacOSError::throwMe(paramErr);
- }
- //tmp->tm_min = x;
- date.minute = x;
-
- /* SECOND */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 59) || (x < 0)) {
- MacOSError::throwMe(paramErr);
- }
- //tmp->tm_sec = x;
- date.second = x;
-
- CFTimeZoneRef timeZone = CFTimeZoneCreateWithTimeIntervalFromGMT(NULL, 0);
- CFAbsoluteTime absTime = CFGregorianDateGetAbsoluteTime(date, timeZone);
- CFRelease(timeZone);
-
- // Adjust abstime to local timezone
- timeZone = CFTimeZoneCopyDefault();
- absTime += CFTimeZoneGetSecondsFromGMT(timeZone, absTime);
- CFRelease(timeZone);
-
- outMacDate = SInt64(double(absTime + kCFAbsoluteTimeIntervalSince1904));
-}
-
-void MacSecondsToTimeString(UInt32 inMacDate, UInt32 inLength, void *outData)
-{
- SInt64 ldt = SInt64(UInt64(inMacDate));
- MacLongDateTimeToTimeString(ldt, inLength, outData);
-}
-
-void MacLongDateTimeToTimeString(const SInt64 &inMacDate,
- UInt32 inLength, void *outData)
-{
- // @@@ this code is close, but on the fringe case of a daylight savings time it will be off for a little while
- CFAbsoluteTime absTime = inMacDate - kCFAbsoluteTimeIntervalSince1904;
-
- // Remove local timezone component from absTime
- CFTimeZoneRef timeZone = CFTimeZoneCopyDefault();
- absTime -= CFTimeZoneGetSecondsFromGMT(timeZone, absTime);
- CFRelease(timeZone);
-
- timeZone = CFTimeZoneCreateWithTimeIntervalFromGMT(NULL, 0);
- CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(absTime, timeZone);
- CFRelease(timeZone);
-
- if (inLength == 16)
- {
- sprintf((char *)(outData), "%04d%02d%02d%02d%02d%02dZ",
- int(date.year % 10000), date.month, date.day,
- date.hour, date.minute, int(date.second));
- }
- else if (inLength == 14)
- {
- /* UTC - 2 year digits - code which parses this assumes that
- * (2-digit) years between 0 and 49 are in century 21 */
- sprintf((char *)(outData), "%02d%02d%02d%02d%02d%02dZ",
- int(date.year % 100), date.month, date.day,
- date.hour, date.minute, int(date.second));
- }
- else
- MacOSError::throwMe(paramErr);
-}
-
-}; // end namespace CSSMDateTimeUtils
-
-} // end namespace Security
projects / apple / security.git / blobdiff