diff options
Diffstat (limited to 'security/nss/lib/util/dertime.c')
| -rw-r--r-- | security/nss/lib/util/dertime.c | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/security/nss/lib/util/dertime.c b/security/nss/lib/util/dertime.c deleted file mode 100644 index c47232b24..000000000 --- a/security/nss/lib/util/dertime.c +++ /dev/null @@ -1,403 +0,0 @@ -/* ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * 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 the Initial Developer are Copyright (C) 1994-2000 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the terms of - * either the GNU General Public License Version 2 or later (the "GPL"), or - * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ - -#include "prtypes.h" -#include "prtime.h" -#include "secder.h" -#include "prlong.h" -#include "secerr.h" - -#define HIDIGIT(v) (((v) / 10) + '0') -#define LODIGIT(v) (((v) % 10) + '0') - -#define C_SINGLE_QUOTE '\047' - -#define DIGITHI(dig) (((dig) - '0') * 10) -#define DIGITLO(dig) ((dig) - '0') -#define ISDIGIT(dig) (((dig) >= '0') && ((dig) <= '9')) -#define CAPTURE(var,p,label) \ -{ \ - if (!ISDIGIT((p)[0]) || !ISDIGIT((p)[1])) goto label; \ - (var) = ((p)[0] - '0') * 10 + ((p)[1] - '0'); \ -} - -#define SECMIN ((time_t) 60L) -#define SECHOUR (60L*SECMIN) -#define SECDAY (24L*SECHOUR) -#define SECYEAR (365L*SECDAY) - -static long monthToDayInYear[12] = { - 0, - 31, - 31+28, - 31+28+31, - 31+28+31+30, - 31+28+31+30+31, - 31+28+31+30+31+30, - 31+28+31+30+31+30+31, - 31+28+31+30+31+30+31+31, - 31+28+31+30+31+30+31+31+30, - 31+28+31+30+31+30+31+31+30+31, - 31+28+31+30+31+30+31+31+30+31+30, -}; - -/* gmttime must contains UTC time in micro-seconds unit */ -SECStatus -DER_TimeToUTCTimeArena(PRArenaPool* arenaOpt, SECItem *dst, int64 gmttime) -{ - PRExplodedTime printableTime; - unsigned char *d; - - dst->len = 13; - if (arenaOpt) { - dst->data = d = (unsigned char*) PORT_ArenaAlloc(arenaOpt, dst->len); - } else { - dst->data = d = (unsigned char*) PORT_Alloc(dst->len); - } - dst->type = siUTCTime; - if (!d) { - return SECFailure; - } - - /* Convert an int64 time to a printable format. */ - PR_ExplodeTime(gmttime, PR_GMTParameters, &printableTime); - - /* The month in UTC time is base one */ - printableTime.tm_month++; - - /* UTC time does not handle the years before 1950 */ - if (printableTime.tm_year < 1950) - return SECFailure; - - /* remove the century since it's added to the tm_year by the - PR_ExplodeTime routine, but is not needed for UTC time */ - printableTime.tm_year %= 100; - - d[0] = HIDIGIT(printableTime.tm_year); - d[1] = LODIGIT(printableTime.tm_year); - d[2] = HIDIGIT(printableTime.tm_month); - d[3] = LODIGIT(printableTime.tm_month); - d[4] = HIDIGIT(printableTime.tm_mday); - d[5] = LODIGIT(printableTime.tm_mday); - d[6] = HIDIGIT(printableTime.tm_hour); - d[7] = LODIGIT(printableTime.tm_hour); - d[8] = HIDIGIT(printableTime.tm_min); - d[9] = LODIGIT(printableTime.tm_min); - d[10] = HIDIGIT(printableTime.tm_sec); - d[11] = LODIGIT(printableTime.tm_sec); - d[12] = 'Z'; - return SECSuccess; -} - -SECStatus -DER_TimeToUTCTime(SECItem *dst, int64 gmttime) -{ - return DER_TimeToUTCTimeArena(NULL, dst, gmttime); -} - -/* The caller of DER_AsciiToItem MUST ENSURE that either -** a) "string" points to a null-terminated ASCII string, or -** b) "string" points to a buffer containing a valid UTCTime, -** whether null terminated or not. -** otherwise, this function may UMR and/or crash. -** It suffices to ensure that the input "string" is at least 17 bytes long. -*/ -SECStatus -DER_AsciiToTime(int64 *dst, const char *string) -{ - long year, month, mday, hour, minute, second, hourOff, minOff, days; - int64 result, tmp1, tmp2; - - if (string == NULL) { - goto loser; - } - - /* Verify time is formatted properly and capture information */ - second = 0; - hourOff = 0; - minOff = 0; - CAPTURE(year,string+0,loser); - if (year < 50) { - /* ASSUME that year # is in the 2000's, not the 1900's */ - year += 100; - } - CAPTURE(month,string+2,loser); - if ((month == 0) || (month > 12)) goto loser; - CAPTURE(mday,string+4,loser); - if ((mday == 0) || (mday > 31)) goto loser; - CAPTURE(hour,string+6,loser); - if (hour > 23) goto loser; - CAPTURE(minute,string+8,loser); - if (minute > 59) goto loser; - if (ISDIGIT(string[10])) { - CAPTURE(second,string+10,loser); - if (second > 59) goto loser; - string += 2; - } - if (string[10] == '+') { - CAPTURE(hourOff,string+11,loser); - if (hourOff > 23) goto loser; - CAPTURE(minOff,string+13,loser); - if (minOff > 59) goto loser; - } else if (string[10] == '-') { - CAPTURE(hourOff,string+11,loser); - if (hourOff > 23) goto loser; - hourOff = -hourOff; - CAPTURE(minOff,string+13,loser); - if (minOff > 59) goto loser; - minOff = -minOff; - } else if (string[10] != 'Z') { - goto loser; - } - - - /* Convert pieces back into a single value year */ - LL_I2L(tmp1, (year-70L)); - LL_I2L(tmp2, SECYEAR); - LL_MUL(result, tmp1, tmp2); - - LL_I2L(tmp1, ( (mday-1L)*SECDAY + hour*SECHOUR + minute*SECMIN - - hourOff*SECHOUR - minOff*SECMIN + second ) ); - LL_ADD(result, result, tmp1); - - /* - ** Have to specially handle the day in the month and the year, to - ** take into account leap days. The return time value is in - ** seconds since January 1st, 12:00am 1970, so start examining - ** the time after that. We can't represent a time before that. - */ - - /* Using two digit years, we can only represent dates from 1970 - to 2069. As a result, we cannot run into the leap year rule - that states that 1700, 2100, etc. are not leap years (but 2000 - is). In other words, there are no years in the span of time - that we can represent that are == 0 mod 4 but are not leap - years. Whew. - */ - - days = monthToDayInYear[month-1]; - days += (year - 68)/4; - - if (((year % 4) == 0) && (month < 3)) { - days--; - } - - LL_I2L(tmp1, (days * SECDAY) ); - LL_ADD(result, result, tmp1 ); - - /* convert to micro seconds */ - LL_I2L(tmp1, PR_USEC_PER_SEC); - LL_MUL(result, result, tmp1); - - *dst = result; - return SECSuccess; - - loser: - PORT_SetError(SEC_ERROR_INVALID_TIME); - return SECFailure; - -} - -SECStatus -DER_UTCTimeToTime(int64 *dst, const SECItem *time) -{ - const char * string; - char localBuf[20]; - - /* Minimum valid UTCTime is yymmddhhmmZ which is 11 bytes. - ** Maximum valid UTCTime is yymmddhhmmss+0000 which is 17 bytes. - ** 20 should be large enough for all valid encoded times. - */ - if (!time || !time->data || time->len < 11) { - PORT_SetError(SEC_ERROR_INVALID_TIME); - return SECFailure; - } - if (time->len >= sizeof localBuf) { - string = (const char *)time->data; - } else { - memset(localBuf, 0, sizeof localBuf); - memcpy(localBuf, time->data, time->len); - string = (const char *)localBuf; - } - return DER_AsciiToTime(dst, string); -} - -/* - gmttime must contains UTC time in micro-seconds unit. - Note: the caller should make sure that Generalized time - should only be used for certifiate validities after the - year 2049. Otherwise, UTC time should be used. This routine - does not check this case, since it can be used to encode - certificate extension, which does not have this restriction. - */ -SECStatus -DER_TimeToGeneralizedTimeArena(PRArenaPool* arenaOpt, SECItem *dst, int64 gmttime) -{ - PRExplodedTime printableTime; - unsigned char *d; - - dst->len = 15; - if (arenaOpt) { - dst->data = d = (unsigned char*) PORT_ArenaAlloc(arenaOpt, dst->len); - } else { - dst->data = d = (unsigned char*) PORT_Alloc(dst->len); - } - dst->type = siGeneralizedTime; - if (!d) { - return SECFailure; - } - - /*Convert a int64 time to a printable format. This is a temporary call - until we change to NSPR 2.0 - */ - PR_ExplodeTime(gmttime, PR_GMTParameters, &printableTime); - - /* The month in Generalized time is base one */ - printableTime.tm_month++; - - d[0] = (printableTime.tm_year /1000) + '0'; - d[1] = ((printableTime.tm_year % 1000) / 100) + '0'; - d[2] = ((printableTime.tm_year % 100) / 10) + '0'; - d[3] = (printableTime.tm_year % 10) + '0'; - d[4] = HIDIGIT(printableTime.tm_month); - d[5] = LODIGIT(printableTime.tm_month); - d[6] = HIDIGIT(printableTime.tm_mday); - d[7] = LODIGIT(printableTime.tm_mday); - d[8] = HIDIGIT(printableTime.tm_hour); - d[9] = LODIGIT(printableTime.tm_hour); - d[10] = HIDIGIT(printableTime.tm_min); - d[11] = LODIGIT(printableTime.tm_min); - d[12] = HIDIGIT(printableTime.tm_sec); - d[13] = LODIGIT(printableTime.tm_sec); - d[14] = 'Z'; - return SECSuccess; -} - -SECStatus -DER_TimeToGeneralizedTime(SECItem *dst, int64 gmttime) -{ - return DER_TimeToGeneralizedTimeArena(NULL, dst, gmttime); -} - - -/* - The caller should make sure that the generalized time should only - be used for the certificate validity after the year 2051; otherwise, - the certificate should be consider invalid!? - */ -SECStatus -DER_GeneralizedTimeToTime(int64 *dst, const SECItem *time) -{ - PRExplodedTime genTime; - const char *string; - long hourOff, minOff; - uint16 century; - char localBuf[20]; - - /* Minimum valid GeneralizedTime is ccyymmddhhmmZ which is 13 bytes. - ** Maximum valid GeneralizedTime is ccyymmddhhmmss+0000 which is 19 bytes. - ** 20 should be large enough for all valid encoded times. - */ - if (!time || !time->data || time->len < 13) - goto loser; - if (time->len >= sizeof localBuf) { - string = (const char *)time->data; - } else { - memset(localBuf, 0, sizeof localBuf); - memcpy(localBuf, time->data, time->len); - string = (const char *)localBuf; - } - - memset(&genTime, 0, sizeof genTime); - - /* Verify time is formatted properly and capture information */ - hourOff = 0; - minOff = 0; - - CAPTURE(century, string+0, loser); - century *= 100; - CAPTURE(genTime.tm_year,string+2,loser); - genTime.tm_year += century; - - CAPTURE(genTime.tm_month,string+4,loser); - if ((genTime.tm_month == 0) || (genTime.tm_month > 12)) goto loser; - - /* NSPR month base is 0 */ - --genTime.tm_month; - - CAPTURE(genTime.tm_mday,string+6,loser); - if ((genTime.tm_mday == 0) || (genTime.tm_mday > 31)) goto loser; - - CAPTURE(genTime.tm_hour,string+8,loser); - if (genTime.tm_hour > 23) goto loser; - - CAPTURE(genTime.tm_min,string+10,loser); - if (genTime.tm_min > 59) goto loser; - - if (ISDIGIT(string[12])) { - CAPTURE(genTime.tm_sec,string+12,loser); - if (genTime.tm_sec > 59) goto loser; - string += 2; - } - if (string[12] == '+') { - CAPTURE(hourOff,string+13,loser); - if (hourOff > 23) goto loser; - CAPTURE(minOff,string+15,loser); - if (minOff > 59) goto loser; - } else if (string[12] == '-') { - CAPTURE(hourOff,string+13,loser); - if (hourOff > 23) goto loser; - hourOff = -hourOff; - CAPTURE(minOff,string+15,loser); - if (minOff > 59) goto loser; - minOff = -minOff; - } else if (string[12] != 'Z') { - goto loser; - } - - /* Since the values of hourOff and minOff are small, there will - be no loss of data by the conversion to int8 */ - /* Convert the GMT offset to seconds and save it it genTime - for the implode time process */ - genTime.tm_params.tp_gmt_offset = (PRInt32)((hourOff * 60L + minOff) * 60L); - *dst = PR_ImplodeTime (&genTime); - return SECSuccess; - - loser: - PORT_SetError(SEC_ERROR_INVALID_TIME); - return SECFailure; - -} |