-/* 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).
+/*
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
-
-/* This is an implementation of the ASN1 Time structure which is:
+/*-
+ * 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 <openssl/asn1.h>
-
-int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
- {
- 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;
- }
-
-
-ASN1_TIME *d2i_ASN1_TIME(ASN1_TIME **a, unsigned char **pp, long length)
- {
- unsigned char tag;
- tag = **pp & ~V_ASN1_CONSTRUCTED;
- if(tag == (V_ASN1_UTCTIME|V_ASN1_UNIVERSAL))
- return d2i_ASN1_UTCTIME(a, pp, length);
- if(tag == (V_ASN1_GENERALIZEDTIME|V_ASN1_UNIVERSAL))
- return d2i_ASN1_GENERALIZEDTIME(a, pp, length);
- ASN1err(ASN1_F_D2I_ASN1_TIME,ASN1_R_EXPECTING_A_TIME);
- return(NULL);
- }
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include "asn1_locl.h"
+
+IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
+IMPLEMENT_ASN1_FUNCTIONS(ASN1_TIME)
ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
- {
- struct tm *ts;
-#if defined(THREADS) && !defined(WIN32)
- struct tm data;
-#endif
-
-#if defined(THREADS) && !defined(WIN32)
- gmtime_r(&t,&data);
- ts=&data; /* should return &data, but doesn't on some systems, so we don't even look at the return value */
-#else
- ts=gmtime(&t);
-#endif
- if((ts->tm_year >= 1950) && (ts->tm_year < 2050))
- return ASN1_UTCTIME_set(s, t);
- return ASN1_GENERALIZEDTIME_set(s,t);
- }
+{
+ return ASN1_TIME_adj(s, t, 0, 0);
+}
+
+ASN1_TIME *ASN1_TIME_adj(ASN1_TIME *s, time_t t,
+ int offset_day, long offset_sec)
+{
+ struct tm *ts;
+ struct tm data;
+
+ ts = OPENSSL_gmtime(&t, &data);
+ if (ts == NULL) {
+ ASN1err(ASN1_F_ASN1_TIME_ADJ, ASN1_R_ERROR_GETTING_TIME);
+ return NULL;
+ }
+ if (offset_day || offset_sec) {
+ if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
+ return NULL;
+ }
+ if ((ts->tm_year >= 50) && (ts->tm_year < 150))
+ return ASN1_UTCTIME_adj(s, t, offset_day, offset_sec);
+ return ASN1_GENERALIZEDTIME_adj(s, t, offset_day, offset_sec);
+}
+
+int ASN1_TIME_check(const 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(const ASN1_TIME *t,
+ ASN1_GENERALIZEDTIME **out)
+{
+ ASN1_GENERALIZEDTIME *ret = NULL;
+ char *str;
+ int newlen;
+
+ if (!ASN1_TIME_check(t))
+ return NULL;
+
+ if (out == NULL || *out == NULL) {
+ if ((ret = ASN1_GENERALIZEDTIME_new()) == NULL)
+ goto err;
+ } else
+ ret = *out;
+
+ /* If already GeneralizedTime just copy across */
+ if (t->type == V_ASN1_GENERALIZEDTIME) {
+ if (!ASN1_STRING_set(ret, t->data, t->length))
+ goto err;
+ goto done;
+ }
+
+ /* grow the string */
+ if (!ASN1_STRING_set(ret, NULL, t->length + 2))
+ goto err;
+ /* 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')
+ OPENSSL_strlcpy(str, "19", newlen);
+ else
+ OPENSSL_strlcpy(str, "20", newlen);
+
+ OPENSSL_strlcat(str, (const char *)t->data, newlen);
+
+ done:
+ if (out != NULL && *out == NULL)
+ *out = ret;
+ return ret;
+
+ err:
+ if (out == NULL || *out != ret)
+ ASN1_GENERALIZEDTIME_free(ret);
+ return NULL;
+}
+
+
+int ASN1_TIME_set_string(ASN1_TIME *s, const char *str)
+{
+ ASN1_TIME t;
+
+ t.length = strlen(str);
+ t.data = (unsigned char *)str;
+ t.flags = 0;
+
+ t.type = V_ASN1_UTCTIME;
+
+ if (!ASN1_TIME_check(&t)) {
+ t.type = V_ASN1_GENERALIZEDTIME;
+ if (!ASN1_TIME_check(&t))
+ return 0;
+ }
+
+ if (s && !ASN1_STRING_copy((ASN1_STRING *)s, (ASN1_STRING *)&t))
+ return 0;
+
+ return 1;
+}
+
+int ASN1_TIME_to_tm(const ASN1_TIME *s, struct tm *tm)
+{
+ if (s == NULL) {
+ time_t now_t;
+
+ time(&now_t);
+ memset(tm, 0, sizeof(*tm));
+ if (OPENSSL_gmtime(&now_t, tm))
+ return 1;
+ return 0;
+ }
+
+ if (s->type == V_ASN1_UTCTIME) {
+ memset(tm, 0, sizeof(*tm));
+ return asn1_utctime_to_tm(tm, s);
+ }
+ if (s->type == V_ASN1_GENERALIZEDTIME) {
+ memset(tm, 0, sizeof(*tm));
+ return asn1_generalizedtime_to_tm(tm, s);
+ }
+
+ return 0;
+}
+
+int ASN1_TIME_diff(int *pday, int *psec,
+ const ASN1_TIME *from, const ASN1_TIME *to)
+{
+ struct tm tm_from, tm_to;
+
+ if (!ASN1_TIME_to_tm(from, &tm_from))
+ return 0;
+ if (!ASN1_TIME_to_tm(to, &tm_to))
+ return 0;
+ return OPENSSL_gmtime_diff(pday, psec, &tm_from, &tm_to);
+}
+
+int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
+{
+ if (tm->type == V_ASN1_UTCTIME)
+ return ASN1_UTCTIME_print(bp, tm);
+ if (tm->type == V_ASN1_GENERALIZEDTIME)
+ return ASN1_GENERALIZEDTIME_print(bp, tm);
+ BIO_write(bp, "Bad time value", 14);
+ return (0);
+}
projects / openssl.git / blobdiff