1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/nss/lib/util/sectime.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,161 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "prtime.h"
1.9 +#include "secder.h"
1.10 +#include "secitem.h"
1.11 +#include "secerr.h"
1.12 +
1.13 +static char *DecodeUTCTime2FormattedAscii (SECItem *utcTimeDER, char *format);
1.14 +static char *DecodeGeneralizedTime2FormattedAscii (SECItem *generalizedTimeDER, char *format);
1.15 +
1.16 +/* convert DER utc time to ascii time string */
1.17 +char *
1.18 +DER_UTCTimeToAscii(SECItem *utcTime)
1.19 +{
1.20 + return (DecodeUTCTime2FormattedAscii (utcTime, "%a %b %d %H:%M:%S %Y"));
1.21 +}
1.22 +
1.23 +/* convert DER utc time to ascii time string, only include day, not time */
1.24 +char *
1.25 +DER_UTCDayToAscii(SECItem *utctime)
1.26 +{
1.27 + return (DecodeUTCTime2FormattedAscii (utctime, "%a %b %d, %Y"));
1.28 +}
1.29 +
1.30 +/* convert DER generalized time to ascii time string, only include day,
1.31 + not time */
1.32 +char *
1.33 +DER_GeneralizedDayToAscii(SECItem *gentime)
1.34 +{
1.35 + return (DecodeGeneralizedTime2FormattedAscii (gentime, "%a %b %d, %Y"));
1.36 +}
1.37 +
1.38 +/* convert DER generalized or UTC time to ascii time string, only include
1.39 + day, not time */
1.40 +char *
1.41 +DER_TimeChoiceDayToAscii(SECItem *timechoice)
1.42 +{
1.43 + switch (timechoice->type) {
1.44 +
1.45 + case siUTCTime:
1.46 + return DER_UTCDayToAscii(timechoice);
1.47 +
1.48 + case siGeneralizedTime:
1.49 + return DER_GeneralizedDayToAscii(timechoice);
1.50 +
1.51 + default:
1.52 + PORT_Assert(0);
1.53 + PORT_SetError(SEC_ERROR_INVALID_ARGS);
1.54 + return NULL;
1.55 + }
1.56 +}
1.57 +
1.58 +char *
1.59 +CERT_UTCTime2FormattedAscii(PRTime utcTime, char *format)
1.60 +{
1.61 + PRExplodedTime printableTime;
1.62 + char *timeString;
1.63 +
1.64 + /* Converse time to local time and decompose it into components */
1.65 + PR_ExplodeTime(utcTime, PR_LocalTimeParameters, &printableTime);
1.66 +
1.67 + timeString = (char *)PORT_Alloc(256);
1.68 +
1.69 + if ( timeString ) {
1.70 + if ( ! PR_FormatTime( timeString, 256, format, &printableTime )) {
1.71 + PORT_Free(timeString);
1.72 + timeString = NULL;
1.73 + }
1.74 + }
1.75 +
1.76 + return (timeString);
1.77 +}
1.78 +
1.79 +char *CERT_GenTime2FormattedAscii(PRTime genTime, char *format)
1.80 +{
1.81 + PRExplodedTime printableTime;
1.82 + char *timeString;
1.83 +
1.84 + /* Decompose time into components */
1.85 + PR_ExplodeTime(genTime, PR_GMTParameters, &printableTime);
1.86 +
1.87 + timeString = (char *)PORT_Alloc(256);
1.88 +
1.89 + if ( timeString ) {
1.90 + if ( ! PR_FormatTime( timeString, 256, format, &printableTime )) {
1.91 + PORT_Free(timeString);
1.92 + timeString = NULL;
1.93 + PORT_SetError(SEC_ERROR_OUTPUT_LEN);
1.94 + }
1.95 + }
1.96 +
1.97 + return (timeString);
1.98 +}
1.99 +
1.100 +
1.101 +/* convert DER utc time to ascii time string, The format of the time string
1.102 + depends on the input "format"
1.103 + */
1.104 +static char *
1.105 +DecodeUTCTime2FormattedAscii (SECItem *utcTimeDER, char *format)
1.106 +{
1.107 + PRTime utcTime;
1.108 + int rv;
1.109 +
1.110 + rv = DER_UTCTimeToTime(&utcTime, utcTimeDER);
1.111 + if (rv) {
1.112 + return(NULL);
1.113 + }
1.114 + return (CERT_UTCTime2FormattedAscii (utcTime, format));
1.115 +}
1.116 +
1.117 +/* convert DER utc time to ascii time string, The format of the time string
1.118 + depends on the input "format"
1.119 + */
1.120 +static char *
1.121 +DecodeGeneralizedTime2FormattedAscii (SECItem *generalizedTimeDER, char *format)
1.122 +{
1.123 + PRTime generalizedTime;
1.124 + int rv;
1.125 +
1.126 + rv = DER_GeneralizedTimeToTime(&generalizedTime, generalizedTimeDER);
1.127 + if (rv) {
1.128 + return(NULL);
1.129 + }
1.130 + return (CERT_GeneralizedTime2FormattedAscii (generalizedTime, format));
1.131 +}
1.132 +
1.133 +/* decode a SECItem containing either a SEC_ASN1_GENERALIZED_TIME
1.134 + or a SEC_ASN1_UTC_TIME */
1.135 +
1.136 +SECStatus DER_DecodeTimeChoice(PRTime* output, const SECItem* input)
1.137 +{
1.138 + switch (input->type) {
1.139 + case siGeneralizedTime:
1.140 + return DER_GeneralizedTimeToTime(output, input);
1.141 +
1.142 + case siUTCTime:
1.143 + return DER_UTCTimeToTime(output, input);
1.144 +
1.145 + default:
1.146 + PORT_SetError(SEC_ERROR_INVALID_ARGS);
1.147 + PORT_Assert(0);
1.148 + return SECFailure;
1.149 + }
1.150 +}
1.151 +
1.152 +/* encode a PRTime to an ASN.1 DER SECItem containing either a
1.153 + SEC_ASN1_GENERALIZED_TIME or a SEC_ASN1_UTC_TIME */
1.154 +
1.155 +SECStatus DER_EncodeTimeChoice(PLArenaPool* arena, SECItem* output, PRTime input)
1.156 +{
1.157 + SECStatus rv;
1.158 +
1.159 + rv = DER_TimeToUTCTimeArena(arena, output, input);
1.160 + if (rv == SECSuccess || PORT_GetError() != SEC_ERROR_INVALID_ARGS) {
1.161 + return rv;
1.162 + }
1.163 + return DER_TimeToGeneralizedTimeArena(arena, output, input);
1.164 +}
