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-rw-r--r--crypto/asn1/a_utctm.c316
1 files changed, 31 insertions, 285 deletions
diff --git a/crypto/asn1/a_utctm.c b/crypto/asn1/a_utctm.c
index 9cbad7c5ee1a..b224991aa3df 100644
--- a/crypto/asn1/a_utctm.c
+++ b/crypto/asn1/a_utctm.c
@@ -1,205 +1,25 @@
-/* crypto/asn1/a_utctm.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
*/
#include <stdio.h>
#include <time.h>
-#include "cryptlib.h"
-#include "o_time.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1.h>
#include "asn1_locl.h"
-#if 0
-int i2d_ASN1_UTCTIME(ASN1_UTCTIME *a, unsigned char **pp)
-{
-# ifndef CHARSET_EBCDIC
- return (i2d_ASN1_bytes((ASN1_STRING *)a, pp,
- V_ASN1_UTCTIME, V_ASN1_UNIVERSAL));
-# else
- /* KLUDGE! We convert to ascii before writing DER */
- int len;
- char tmp[24];
- ASN1_STRING x = *(ASN1_STRING *)a;
-
- len = x.length;
- ebcdic2ascii(tmp, x.data, (len >= sizeof(tmp)) ? sizeof(tmp) : len);
- x.data = tmp;
- return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME, V_ASN1_UNIVERSAL);
-# endif
-}
-
-ASN1_UTCTIME *d2i_ASN1_UTCTIME(ASN1_UTCTIME **a, unsigned char **pp,
- long length)
-{
- ASN1_UTCTIME *ret = NULL;
-
- ret = (ASN1_UTCTIME *)d2i_ASN1_bytes((ASN1_STRING **)a, pp, length,
- V_ASN1_UTCTIME, V_ASN1_UNIVERSAL);
- if (ret == NULL) {
- ASN1err(ASN1_F_D2I_ASN1_UTCTIME, ERR_R_NESTED_ASN1_ERROR);
- return (NULL);
- }
-# ifdef CHARSET_EBCDIC
- ascii2ebcdic(ret->data, ret->data, ret->length);
-# endif
- if (!ASN1_UTCTIME_check(ret)) {
- ASN1err(ASN1_F_D2I_ASN1_UTCTIME, ASN1_R_INVALID_TIME_FORMAT);
- goto err;
- }
-
- return (ret);
- err:
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- M_ASN1_UTCTIME_free(ret);
- return (NULL);
-}
-
-#endif
-
+/* This is the primary function used to parse ASN1_UTCTIME */
int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
{
- static const int min[8] = { 0, 1, 1, 0, 0, 0, 0, 0 };
- static const int max[8] = { 99, 12, 31, 23, 59, 59, 12, 59 };
- char *a;
- int n, i, l, o;
-
+ /* wrapper around ans1_time_to_tm */
if (d->type != V_ASN1_UTCTIME)
- return (0);
- l = d->length;
- a = (char *)d->data;
- o = 0;
-
- if (l < 11)
- goto err;
- for (i = 0; i < 6; i++) {
- if ((i == 5) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
- i++;
- if (tm)
- tm->tm_sec = 0;
- 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 (tm) {
- switch (i) {
- case 0:
- tm->tm_year = n < 50 ? n + 100 : n;
- break;
- case 1:
- tm->tm_mon = n - 1;
- break;
- case 2:
- tm->tm_mday = n;
- break;
- case 3:
- tm->tm_hour = n;
- break;
- case 4:
- tm->tm_min = n;
- break;
- case 5:
- tm->tm_sec = n;
- break;
- }
- }
- }
- if (a[o] == 'Z')
- o++;
- else if ((a[o] == '+') || (a[o] == '-')) {
- int offsign = a[o] == '-' ? 1 : -1, offset = 0;
- o++;
- if (o + 4 > l)
- goto err;
- for (i = 6; i < 8; 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;
- if (tm) {
- if (i == 6)
- offset = n * 3600;
- else if (i == 7)
- offset += n * 60;
- }
- o++;
- }
- if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
- return 0;
- }
- return o == l;
- err:
- return 0;
+ return 0;
+ return asn1_time_to_tm(tm, d);
}
int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
@@ -207,6 +27,7 @@ int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
return asn1_utctime_to_tm(NULL, d);
}
+/* Sets the string via simple copy without cleaning it up */
int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
{
ASN1_UTCTIME t;
@@ -214,16 +35,15 @@ int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
t.type = V_ASN1_UTCTIME;
t.length = strlen(str);
t.data = (unsigned char *)str;
- if (ASN1_UTCTIME_check(&t)) {
- if (s != NULL) {
- if (!ASN1_STRING_set((ASN1_STRING *)s,
- (unsigned char *)str, t.length))
- return 0;
- s->type = V_ASN1_UTCTIME;
- }
- return (1);
- } else
- return (0);
+ t.flags = 0;
+
+ if (!ASN1_UTCTIME_check(&t))
+ return 0;
+
+ if (s != NULL && !ASN1_STRING_copy(s, &t))
+ return 0;
+
+ return 1;
}
ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
@@ -234,56 +54,19 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
int offset_day, long offset_sec)
{
- char *p;
struct tm *ts;
struct tm data;
- size_t len = 20;
- int free_s = 0;
-
- if (s == NULL) {
- free_s = 1;
- s = M_ASN1_UTCTIME_new();
- }
- if (s == NULL)
- goto err;
ts = OPENSSL_gmtime(&t, &data);
if (ts == NULL)
- goto err;
+ return NULL;
if (offset_day || offset_sec) {
if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
- goto err;
+ return NULL;
}
- if ((ts->tm_year < 50) || (ts->tm_year >= 150))
- goto err;
-
- p = (char *)s->data;
- if ((p == NULL) || ((size_t)s->length < len)) {
- p = OPENSSL_malloc(len);
- if (p == NULL) {
- ASN1err(ASN1_F_ASN1_UTCTIME_ADJ, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (s->data != NULL)
- OPENSSL_free(s->data);
- s->data = (unsigned char *)p;
- }
-
- BIO_snprintf(p, len, "%02d%02d%02d%02d%02d%02dZ", ts->tm_year % 100,
- ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min,
- ts->tm_sec);
- s->length = strlen(p);
- s->type = V_ASN1_UTCTIME;
-#ifdef CHARSET_EBCDIC_not
- ebcdic2ascii(s->data, s->data, s->length);
-#endif
- return (s);
- err:
- if (free_s && s)
- M_ASN1_UTCTIME_free(s);
- return NULL;
+ return asn1_time_from_tm(s, ts, V_ASN1_UTCTIME);
}
int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
@@ -294,59 +77,22 @@ int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
if (!asn1_utctime_to_tm(&stm, s))
return -2;
- if (!OPENSSL_gmtime(&t, &ttm))
+ if (OPENSSL_gmtime(&t, &ttm) == NULL)
return -2;
if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm))
return -2;
- if (day > 0)
- return 1;
- if (day < 0)
- return -1;
- if (sec > 0)
+ if (day > 0 || sec > 0)
return 1;
- if (sec < 0)
+ if (day < 0 || sec < 0)
return -1;
return 0;
}
-#if 0
-time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s)
+int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
{
- struct tm tm;
- int offset;
-
- memset(&tm, '\0', sizeof(tm));
-
-# define g2(p) (((p)[0]-'0')*10+(p)[1]-'0')
- tm.tm_year = g2(s->data);
- if (tm.tm_year < 50)
- tm.tm_year += 100;
- tm.tm_mon = g2(s->data + 2) - 1;
- tm.tm_mday = g2(s->data + 4);
- tm.tm_hour = g2(s->data + 6);
- tm.tm_min = g2(s->data + 8);
- tm.tm_sec = g2(s->data + 10);
- if (s->data[12] == 'Z')
- offset = 0;
- else {
- offset = g2(s->data + 13) * 60 + g2(s->data + 15);
- if (s->data[12] == '-')
- offset = -offset;
- }
-# undef g2
-
- /*
- * FIXME: mktime assumes the current timezone
- * instead of UTC, and unless we rewrite OpenSSL
- * in Lisp we cannot locally change the timezone
- * without possibly interfering with other parts
- * of the program. timegm, which uses UTC, is
- * non-standard.
- * Also time_t is inappropriate for general
- * UTC times because it may a 32 bit type.
- */
- return mktime(&tm) - offset * 60;
+ if (tm->type != V_ASN1_UTCTIME)
+ return 0;
+ return ASN1_TIME_print(bp, tm);
}
-#endif
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