255 lines
6.2 KiB
C
255 lines
6.2 KiB
C
/*
|
|
* Copyright 1995-2016 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
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include "internal/cryptlib.h"
|
|
#include <openssl/asn1.h>
|
|
#include "asn1_locl.h"
|
|
|
|
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;
|
|
|
|
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;
|
|
}
|
|
|
|
int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
|
|
{
|
|
return asn1_utctime_to_tm(NULL, d);
|
|
}
|
|
|
|
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) {
|
|
s = ASN1_UTCTIME_new();
|
|
if (s == NULL)
|
|
goto err;
|
|
free_s = 1;
|
|
}
|
|
|
|
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;
|
|
}
|
|
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)
|
|
ASN1_UTCTIME_free(s);
|
|
return NULL;
|
|
}
|
|
|
|
int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
|
|
{
|
|
struct tm stm, ttm;
|
|
int day, sec;
|
|
|
|
if (!asn1_utctime_to_tm(&stm, s))
|
|
return -2;
|
|
|
|
if (!OPENSSL_gmtime(&t, &ttm))
|
|
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)
|
|
return 1;
|
|
if (sec < 0)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
|
|
{
|
|
const char *v;
|
|
int gmt = 0;
|
|
int i;
|
|
int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
|
|
|
|
i = tm->length;
|
|
v = (const char *)tm->data;
|
|
|
|
if (i < 10)
|
|
goto err;
|
|
if (v[i - 1] == 'Z')
|
|
gmt = 1;
|
|
for (i = 0; i < 10; i++)
|
|
if ((v[i] > '9') || (v[i] < '0'))
|
|
goto err;
|
|
y = (v[0] - '0') * 10 + (v[1] - '0');
|
|
if (y < 50)
|
|
y += 100;
|
|
M = (v[2] - '0') * 10 + (v[3] - '0');
|
|
if ((M > 12) || (M < 1))
|
|
goto err;
|
|
d = (v[4] - '0') * 10 + (v[5] - '0');
|
|
h = (v[6] - '0') * 10 + (v[7] - '0');
|
|
m = (v[8] - '0') * 10 + (v[9] - '0');
|
|
if (tm->length >= 12 &&
|
|
(v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9'))
|
|
s = (v[10] - '0') * 10 + (v[11] - '0');
|
|
|
|
if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s",
|
|
_asn1_mon[M - 1], d, h, m, s, y + 1900,
|
|
(gmt) ? " GMT" : "") <= 0)
|
|
return (0);
|
|
else
|
|
return (1);
|
|
err:
|
|
BIO_write(bp, "Bad time value", 14);
|
|
return (0);
|
|
}
|