325 lines
9.7 KiB
C
325 lines
9.7 KiB
C
/* crypto/asn1/a_utctm.c */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* 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.]
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include "cryptlib.h"
|
|
#include "o_time.h"
|
|
#include <openssl/asn1.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
|
|
|
|
int ASN1_UTCTIME_check(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;
|
|
|
|
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++;
|
|
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 = 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;
|
|
o++;
|
|
}
|
|
}
|
|
return (o == l);
|
|
err:
|
|
return (0);
|
|
}
|
|
|
|
int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
|
|
{
|
|
ASN1_UTCTIME t;
|
|
|
|
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);
|
|
}
|
|
|
|
ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
|
|
{
|
|
return ASN1_UTCTIME_adj(s, t, 0, 0);
|
|
}
|
|
|
|
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;
|
|
|
|
if (offset_day || offset_sec) {
|
|
if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
|
|
goto err;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
|
|
{
|
|
struct tm *tm;
|
|
struct tm data;
|
|
int offset;
|
|
int year;
|
|
|
|
#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0')
|
|
|
|
if (s->data[12] == 'Z')
|
|
offset = 0;
|
|
else {
|
|
offset = g2(s->data + 13) * 60 + g2(s->data + 15);
|
|
if (s->data[12] == '-')
|
|
offset = -offset;
|
|
}
|
|
|
|
t -= offset * 60; /* FIXME: may overflow in extreme cases */
|
|
|
|
tm = OPENSSL_gmtime(&t, &data);
|
|
|
|
#define return_cmp(a,b) if ((a)<(b)) return -1; else if ((a)>(b)) return 1
|
|
year = g2(s->data);
|
|
if (year < 50)
|
|
year += 100;
|
|
return_cmp(year, tm->tm_year);
|
|
return_cmp(g2(s->data + 2) - 1, tm->tm_mon);
|
|
return_cmp(g2(s->data + 4), tm->tm_mday);
|
|
return_cmp(g2(s->data + 6), tm->tm_hour);
|
|
return_cmp(g2(s->data + 8), tm->tm_min);
|
|
return_cmp(g2(s->data + 10), tm->tm_sec);
|
|
#undef g2
|
|
#undef return_cmp
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if 0
|
|
time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s)
|
|
{
|
|
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;
|
|
}
|
|
#endif
|