129 lines
4.5 KiB
C
129 lines
4.5 KiB
C
/* crypto/asn1/a_time.c */
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* This is an implementation of the ASN1 Time structure which is:
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* Time ::= CHOICE {
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* utcTime UTCTime,
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* generalTime GeneralizedTime }
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* written by Steve Henson.
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*/
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#include <stdio.h>
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#include <time.h>
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#include "cryptlib.h"
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#include <openssl/asn1.h>
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ASN1_TIME *ASN1_TIME_new(void)
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{ return M_ASN1_TIME_new(); }
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void ASN1_TIME_free(ASN1_TIME *x)
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{ return M_ASN1_TIME_free(x); }
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int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
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{
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#ifdef CHARSET_EBCDIC
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/* KLUDGE! We convert to ascii before writing DER */
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char tmp[24];
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ASN1_STRING tmpstr;
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if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME) {
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int len;
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tmpstr = *(ASN1_STRING *)a;
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len = tmpstr.length;
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ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof tmp) ? sizeof tmp : len);
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tmpstr.data = tmp;
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a = (ASN1_GENERALIZEDTIME *) &tmpstr;
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}
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#endif
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if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME)
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return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
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a->type ,V_ASN1_UNIVERSAL));
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ASN1err(ASN1_F_I2D_ASN1_TIME,ASN1_R_EXPECTING_A_TIME);
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return -1;
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}
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ASN1_TIME *d2i_ASN1_TIME(ASN1_TIME **a, unsigned char **pp, long length)
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{
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unsigned char tag;
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tag = **pp & ~V_ASN1_CONSTRUCTED;
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if(tag == (V_ASN1_UTCTIME|V_ASN1_UNIVERSAL))
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return d2i_ASN1_UTCTIME(a, pp, length);
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if(tag == (V_ASN1_GENERALIZEDTIME|V_ASN1_UNIVERSAL))
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return d2i_ASN1_GENERALIZEDTIME(a, pp, length);
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ASN1err(ASN1_F_D2I_ASN1_TIME,ASN1_R_EXPECTING_A_TIME);
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return(NULL);
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}
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ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
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{
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struct tm *ts;
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#if defined(THREADS) && !defined(WIN32)
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struct tm data;
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#endif
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#if defined(THREADS) && !defined(WIN32)
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gmtime_r(&t,&data);
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ts=&data; /* should return &data, but doesn't on some systems, so we don't even look at the return value */
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#else
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ts=gmtime(&t);
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#endif
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if((ts->tm_year >= 50) && (ts->tm_year < 150))
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return ASN1_UTCTIME_set(s, t);
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return ASN1_GENERALIZEDTIME_set(s,t);
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}
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