-/* crypto/asn1/a_gentm.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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
*/
-/* GENERALIZEDTIME implementation, written by Steve Henson. Based on UTCTIME */
+/*
+ * GENERALIZEDTIME implementation. Based on UTCTIME
+ */
#include <stdio.h>
#include <time.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1.h>
-
-#if 0
-
-int i2d_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME *a, unsigned char **pp)
- {
-#ifdef CHARSET_EBCDIC
- /* KLUDGE! We convert to ascii before writing DER */
- int len;
- char tmp[24];
- ASN1_STRING 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
- return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
- V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL));
- }
-
-
-ASN1_GENERALIZEDTIME *d2i_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME **a,
- unsigned char **pp, long length)
- {
- ASN1_GENERALIZEDTIME *ret=NULL;
-
- ret=(ASN1_GENERALIZEDTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length,
- V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL);
- if (ret == NULL)
- {
- ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ERR_R_NESTED_ASN1_ERROR);
- return(NULL);
- }
-#ifdef CHARSET_EBCDIC
- ascii2ebcdic(ret->data, ret->data, ret->length);
-#endif
- if (!ASN1_GENERALIZEDTIME_check(ret))
- {
- ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ASN1_R_INVALID_TIME_FORMAT);
- goto err;
- }
-
- return(ret);
-err:
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- M_ASN1_GENERALIZEDTIME_free(ret);
- return(NULL);
- }
-
-#endif
-
-int ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *d)
- {
- static int min[9]={ 0, 0, 1, 1, 0, 0, 0, 0, 0};
- static int max[9]={99, 99,12,31,23,59,59,12,59};
- char *a;
- int n,i,l,o;
-
- if (d->type != V_ASN1_GENERALIZEDTIME) return(0);
- l=d->length;
- a=(char *)d->data;
- o=0;
- /* GENERALIZEDTIME is similar to UTCTIME except the year is
- * represented as YYYY. This stuff treats everything as a two digit
- * field so make first two fields 00 to 99
- */
- if (l < 13) goto err;
- for (i=0; i<7; i++)
- {
- if ((i == 6) && ((a[o] == 'Z') ||
- (a[o] == '+') || (a[o] == '-')))
- { i++; break; }
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n= a[o]-'0';
- if (++o > l) goto err;
-
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n=(n*10)+ a[o]-'0';
- if (++o > l) goto err;
-
- if ((n < min[i]) || (n > max[i])) goto err;
- }
- if (a[o] == 'Z')
- o++;
- else if ((a[o] == '+') || (a[o] == '-'))
- {
- o++;
- if (o+4 > l) goto err;
- for (i=7; i<9; i++)
- {
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n= a[o]-'0';
- o++;
- if ((a[o] < '0') || (a[o] > '9')) goto err;
- n=(n*10)+ a[o]-'0';
- if ((n < min[i]) || (n > max[i])) goto err;
- o++;
- }
- }
- return(o == l);
-err:
- return(0);
- }
-
-int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, char *str)
- {
- ASN1_GENERALIZEDTIME t;
-
- t.type=V_ASN1_GENERALIZEDTIME;
- t.length=strlen(str);
- t.data=(unsigned char *)str;
- if (ASN1_GENERALIZEDTIME_check(&t))
- {
- if (s != NULL)
- {
- ASN1_STRING_set((ASN1_STRING *)s,
- (unsigned char *)str,t.length);
- }
- return(1);
- }
- else
- return(0);
- }
+#include "asn1_locl.h"
+
+int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d)
+{
+ /* wrapper around asn1_time_to_tm */
+ if (d->type != V_ASN1_GENERALIZEDTIME)
+ return 0;
+ return asn1_time_to_tm(tm, d);
+}
+
+int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d)
+{
+ return asn1_generalizedtime_to_tm(NULL, d);
+}
+
+int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str)
+{
+ ASN1_GENERALIZEDTIME t;
+
+ t.type = V_ASN1_GENERALIZEDTIME;
+ t.length = strlen(str);
+ t.data = (unsigned char *)str;
+ t.flags = 0;
+
+ if (ASN1_GENERALIZEDTIME_check(&t)) {
+ if (s != NULL) {
+ if (!ASN1_STRING_set((ASN1_STRING *)s, str, t.length))
+ return 0;
+ s->type = V_ASN1_GENERALIZEDTIME;
+ }
+ return 1;
+ }
+ return 0;
+}
ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
- time_t t)
- {
- char *p;
- struct tm *ts;
-#if defined(THREADS) && !defined(WIN32)
- struct tm data;
-#endif
-
- if (s == NULL)
- s=M_ASN1_GENERALIZEDTIME_new();
- if (s == NULL)
- return(NULL);
-
-#if defined(THREADS) && !defined(WIN32)
- gmtime_r(&t,&data); /* should return &data, but doesn't on some systems, so we don't even look at the return value */
- ts=&data;
-#else
- ts=gmtime(&t);
-#endif
- p=(char *)s->data;
- if ((p == NULL) || (s->length < 16))
- {
- p=OPENSSL_malloc(20);
- if (p == NULL) return(NULL);
- if (s->data != NULL)
- OPENSSL_free(s->data);
- s->data=(unsigned char *)p;
- }
-
- sprintf(p,"%04d%02d%02d%02d%02d%02dZ",ts->tm_year + 1900,
- ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
- s->length=strlen(p);
- s->type=V_ASN1_GENERALIZEDTIME;
+ time_t t)
+{
+ return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0);
+}
+
+ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
+ time_t t, int offset_day,
+ long offset_sec)
+{
+ char *p;
+ struct tm *ts;
+ struct tm data;
+ const size_t len = 20;
+ ASN1_GENERALIZEDTIME *tmps = NULL;
+
+ if (s == NULL)
+ tmps = ASN1_GENERALIZEDTIME_new();
+ else
+ tmps = s;
+ if (tmps == NULL)
+ return NULL;
+
+ ts = OPENSSL_gmtime(&t, &data);
+ if (ts == NULL)
+ goto err;
+
+ if (offset_day || offset_sec) {
+ if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
+ goto err;
+ }
+
+ p = (char *)tmps->data;
+ if ((p == NULL) || ((size_t)tmps->length < len)) {
+ p = OPENSSL_malloc(len);
+ if (p == NULL) {
+ ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ OPENSSL_free(tmps->data);
+ tmps->data = (unsigned char *)p;
+ }
+
+ tmps->length = BIO_snprintf(p, len, "%04d%02d%02d%02d%02d%02dZ",
+ ts->tm_year + 1900, ts->tm_mon + 1,
+ ts->tm_mday, ts->tm_hour, ts->tm_min,
+ ts->tm_sec);
+ tmps->type = V_ASN1_GENERALIZEDTIME;
#ifdef CHARSET_EBCDIC_not
- ebcdic2ascii(s->data, s->data, s->length);
+ ebcdic2ascii(tmps->data, tmps->data, tmps->length);
#endif
- return(s);
- }
+ return tmps;
+ err:
+ if (s == NULL)
+ ASN1_GENERALIZEDTIME_free(tmps);
+ return NULL;
+}
+
+int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
+{
+ if (tm->type != V_ASN1_GENERALIZEDTIME)
+ return 0;
+ return ASN1_TIME_print(bp, tm);
+}
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