| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| #include "prtime.h" |
| #include "secder.h" |
| #include "secitem.h" |
| #include "secerr.h" |
| |
| static char *DecodeUTCTime2FormattedAscii(SECItem *utcTimeDER, char *format); |
| static char *DecodeGeneralizedTime2FormattedAscii(SECItem *generalizedTimeDER, char *format); |
| |
| /* convert DER utc time to ascii time string */ |
| char * |
| DER_UTCTimeToAscii(SECItem *utcTime) |
| { |
| return (DecodeUTCTime2FormattedAscii(utcTime, "%a %b %d %H:%M:%S %Y")); |
| } |
| |
| /* convert DER utc time to ascii time string, only include day, not time */ |
| char * |
| DER_UTCDayToAscii(SECItem *utctime) |
| { |
| return (DecodeUTCTime2FormattedAscii(utctime, "%a %b %d, %Y")); |
| } |
| |
| /* convert DER generalized time to ascii time string, only include day, |
| not time */ |
| char * |
| DER_GeneralizedDayToAscii(SECItem *gentime) |
| { |
| return (DecodeGeneralizedTime2FormattedAscii(gentime, "%a %b %d, %Y")); |
| } |
| |
| /* convert DER generalized or UTC time to ascii time string, only include |
| day, not time */ |
| char * |
| DER_TimeChoiceDayToAscii(SECItem *timechoice) |
| { |
| switch (timechoice->type) { |
| |
| case siUTCTime: |
| return DER_UTCDayToAscii(timechoice); |
| |
| case siGeneralizedTime: |
| return DER_GeneralizedDayToAscii(timechoice); |
| |
| default: |
| PORT_Assert(0); |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return NULL; |
| } |
| } |
| |
| char * |
| CERT_UTCTime2FormattedAscii(PRTime utcTime, char *format) |
| { |
| PRExplodedTime printableTime; |
| char *timeString; |
| |
| /* Converse time to local time and decompose it into components */ |
| PR_ExplodeTime(utcTime, PR_LocalTimeParameters, &printableTime); |
| |
| timeString = (char *)PORT_Alloc(256); |
| |
| if (timeString) { |
| if (!PR_FormatTime(timeString, 256, format, &printableTime)) { |
| PORT_Free(timeString); |
| timeString = NULL; |
| } |
| } |
| |
| return (timeString); |
| } |
| |
| char * |
| CERT_GenTime2FormattedAscii(PRTime genTime, char *format) |
| { |
| PRExplodedTime printableTime; |
| char *timeString; |
| |
| /* Decompose time into components */ |
| PR_ExplodeTime(genTime, PR_GMTParameters, &printableTime); |
| |
| timeString = (char *)PORT_Alloc(256); |
| |
| if (timeString) { |
| if (!PR_FormatTime(timeString, 256, format, &printableTime)) { |
| PORT_Free(timeString); |
| timeString = NULL; |
| PORT_SetError(SEC_ERROR_OUTPUT_LEN); |
| } |
| } |
| |
| return (timeString); |
| } |
| |
| /* convert DER utc time to ascii time string, The format of the time string |
| depends on the input "format" |
| */ |
| static char * |
| DecodeUTCTime2FormattedAscii(SECItem *utcTimeDER, char *format) |
| { |
| PRTime utcTime; |
| int rv; |
| |
| rv = DER_UTCTimeToTime(&utcTime, utcTimeDER); |
| if (rv) { |
| return (NULL); |
| } |
| return (CERT_UTCTime2FormattedAscii(utcTime, format)); |
| } |
| |
| /* convert DER utc time to ascii time string, The format of the time string |
| depends on the input "format" |
| */ |
| static char * |
| DecodeGeneralizedTime2FormattedAscii(SECItem *generalizedTimeDER, char *format) |
| { |
| PRTime generalizedTime; |
| int rv; |
| |
| rv = DER_GeneralizedTimeToTime(&generalizedTime, generalizedTimeDER); |
| if (rv) { |
| return (NULL); |
| } |
| return (CERT_GeneralizedTime2FormattedAscii(generalizedTime, format)); |
| } |
| |
| /* decode a SECItem containing either a SEC_ASN1_GENERALIZED_TIME |
| or a SEC_ASN1_UTC_TIME */ |
| |
| SECStatus |
| DER_DecodeTimeChoice(PRTime *output, const SECItem *input) |
| { |
| switch (input->type) { |
| case siGeneralizedTime: |
| return DER_GeneralizedTimeToTime(output, input); |
| |
| case siUTCTime: |
| return DER_UTCTimeToTime(output, input); |
| |
| default: |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| PORT_Assert(0); |
| return SECFailure; |
| } |
| } |
| |
| /* encode a PRTime to an ASN.1 DER SECItem containing either a |
| SEC_ASN1_GENERALIZED_TIME or a SEC_ASN1_UTC_TIME */ |
| |
| SECStatus |
| DER_EncodeTimeChoice(PLArenaPool *arena, SECItem *output, PRTime input) |
| { |
| SECStatus rv; |
| |
| rv = DER_TimeToUTCTimeArena(arena, output, input); |
| if (rv == SECSuccess || PORT_GetError() != SEC_ERROR_INVALID_ARGS) { |
| return rv; |
| } |
| return DER_TimeToGeneralizedTimeArena(arena, output, input); |
| } |