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microser/mmslib/asn1/are_time.c
2026-06-15 15:48:16 +08:00

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/************************************************************************/
/* SISCO SOFTWARE MODULE HEADER *****************************************/
/************************************************************************/
/* (c) Copyright Systems Integration Specialists Company, Inc., */
/* 1986 - 2006, All Rights Reserved. */
/* */
/* PROPRIETARY AND CONFIDENTIAL */
/* */
/* MODULE NAME : are_time.c */
/* PRODUCT(S) : ASN1DE */
/* */
/* MODULE DESCRIPTION : */
/* */
/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
/* */
/* MODIFICATION LOG : */
/* Date Who Rev Comments */
/* -------- --- ------ ------------------------------------------- */
/* 03/23/06 EJV 07 Cast time_t var to (ST_ULONG) and use '%lu'. */
/* 01/14/03 JRB 06 Avoid redundant logging of encode overrun. */
/* 07/29/02 EJV 05 Log tmp_buf instead of ac->asn1r_field_ptr. */
/* 01/22/02 JRB 04 Chg asn1r_end_of_buffer to asn1r_buf_start. */
/* 12/20/01 JRB 03 Chg ASN1_CTXT to ASN1_ENC_CTXT. */
/* 09/13/99 MDE 02 Added SD_CONST modifiers */
/* 07/26/99 MDE 01 New module, derived from ae_time.c */
/************************************************************************/
#include "glbtypes.h"
#include "sysincs.h"
#include "asn1r.h"
#include "asn1log.h"
/************************************************************************/
/* For debug version, use a static pointer to avoid duplication of */
/* __FILE__ strings. */
#ifdef DEBUG_SISCO
SD_CONST static ST_CHAR *SD_CONST thisFileName = __FILE__;
#endif
/* for wr_time the length of the string */
#define ASN1_WR_TIME_ENC_L 15
/************************************************************************/
/* wr_time */
/* Function to encode date and time from MS-DOS time (= number of */
/* seconds from 00:00 Jan 1, 1970, GMT) to the ASN.1 Generalized time */
/************************************************************************/
ST_VOID asn1r_wr_time (ASN1_ENC_CTXT *ac, time_t toEncodeTime)
{
struct tm *gmtTime;
ST_UCHAR tmp_buf [ASN1_WR_TIME_ENC_L + 1];
ALOG_ENC0("Encoding a GMT Zulu based time string");
/* check to see if the ASN1 field pointer will overflow the buffer */
if (ac->asn1r_field_ptr - ASN1_WR_TIME_ENC_L < ac->asn1r_buf_start)
{
ac->asn1r_encode_overrun = SD_TRUE;
return;
}
/* move the asn1 field ptr backward in the buffer */
ac->asn1r_field_ptr = ac->asn1r_field_ptr - (ASN1_WR_TIME_ENC_L-1);
ALOG_CENC1("Passed Unix epoche based GMT time is (in) = %lu", (ST_ULONG) toEncodeTime);
/*renxiaobao <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>*/
if(toEncodeTime<0x12cea600) toEncodeTime = 0x12cea600; /*1980*/
gmtTime = gmtime(&toEncodeTime);
if(gmtTime)
{
/* encode a local time string */
strftime ((ST_CHAR *)tmp_buf,ASN1_WR_TIME_ENC_L + 1,"%Y%m%d%H%M%SZ",gmtTime);
}
else
{
sprintf(tmp_buf,"19800001000000Z");
printf("gmtime fail toEncodeTime=%lx\n",toEncodeTime);
}
/* encode a local time string */
/*strftime ((ST_CHAR *)tmp_buf,ASN1_WR_TIME_ENC_L + 1,"%Y%m%d%H%M%SZ",gmtTime);*/
memcpy (ac->asn1r_field_ptr, tmp_buf, ASN1_WR_TIME_ENC_L); /* no 0x00 copied */
ALOG_CENC1("ASN1 encoded String %s", tmp_buf);
/* move the field pointer 1 more position back in the encode buffer */
ac->asn1r_field_ptr = ac->asn1r_field_ptr -1;
}