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- /* crypto/asn1/a_time.c */
- /* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
- /* This is an implementation of the ASN1 Time structure which is:
- * Time ::= CHOICE {
- * utcTime UTCTime,
- * generalTime GeneralizedTime }
- * written by Steve Henson.
- */
- #include <stdio.h>
- #include <time.h>
- #include "cryptlib.h"
- #include "o_time.h"
- #include <openssl/asn1t.h>
- IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
- IMPLEMENT_ASN1_FUNCTIONS(ASN1_TIME)
- #if 0
- int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
- {
- #ifdef CHARSET_EBCDIC
- /* KLUDGE! We convert to ascii before writing DER */
- char tmp[24];
- ASN1_STRING tmpstr;
- if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME) {
- int len;
- tmpstr = *(ASN1_STRING *)a;
- len = tmpstr.length;
- ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof tmp) ? sizeof tmp : len);
- tmpstr.data = tmp;
- a = (ASN1_GENERALIZEDTIME *) &tmpstr;
- }
- #endif
- if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME)
- return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
- a->type ,V_ASN1_UNIVERSAL));
- ASN1err(ASN1_F_I2D_ASN1_TIME,ASN1_R_EXPECTING_A_TIME);
- return -1;
- }
- #endif
- ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
- {
- struct tm *ts;
- struct tm data;
- ts=OPENSSL_gmtime(&t,&data);
- if (ts == NULL)
- {
- ASN1err(ASN1_F_ASN1_TIME_SET, ASN1_R_ERROR_GETTING_TIME);
- return NULL;
- }
- if((ts->tm_year >= 50) && (ts->tm_year < 150))
- return ASN1_UTCTIME_set(s, t);
- return ASN1_GENERALIZEDTIME_set(s,t);
- }
- int ASN1_TIME_check(ASN1_TIME *t)
- {
- if (t->type == V_ASN1_GENERALIZEDTIME)
- return ASN1_GENERALIZEDTIME_check(t);
- else if (t->type == V_ASN1_UTCTIME)
- return ASN1_UTCTIME_check(t);
- return 0;
- }
- /* Convert an ASN1_TIME structure to GeneralizedTime */
- ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out)
- {
- ASN1_GENERALIZEDTIME *ret;
- char *str;
- int newlen;
- if (!ASN1_TIME_check(t)) return NULL;
- if (!out || !*out)
- {
- if (!(ret = ASN1_GENERALIZEDTIME_new ()))
- return NULL;
- if (out) *out = ret;
- }
- else ret = *out;
- /* If already GeneralizedTime just copy across */
- if (t->type == V_ASN1_GENERALIZEDTIME)
- {
- if(!ASN1_STRING_set(ret, t->data, t->length))
- return NULL;
- return ret;
- }
- /* grow the string */
- if (!ASN1_STRING_set(ret, NULL, t->length + 2))
- return NULL;
- /* ASN1_STRING_set() allocated 'len + 1' bytes. */
- newlen = t->length + 2 + 1;
- str = (char *)ret->data;
- /* Work out the century and prepend */
- if (t->data[0] >= '5') BUF_strlcpy(str, "19", newlen);
- else BUF_strlcpy(str, "20", newlen);
- BUF_strlcat(str, (char *)t->data, newlen);
- return ret;
- }
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