/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (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 <time.h>
#include "internal/cryptlib.h"
#include <openssl/asn1.h>
-#include "asn1_locl.h"
+#include "asn1_local.h"
+#include <openssl/asn1t.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;
+IMPLEMENT_ASN1_DUP_FUNCTION(ASN1_UTCTIME)
+/* This is the primary function used to parse ASN1_UTCTIME */
+int ossl_asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
+{
+ /* wrapper around ossl_asn1_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 ossl_asn1_time_to_tm(tm, d);
}
int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
{
- return asn1_utctime_to_tm(NULL, d);
+ return ossl_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;
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, 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)
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;
+ return NULL;
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;
+ return NULL;
}
- 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;
+ return ossl_asn1_time_from_tm(s, ts, V_ASN1_UTCTIME);
}
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))
+ if (!ossl_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;
}
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);
+ if (tm->type != V_ASN1_UTCTIME)
+ return 0;
+ return ASN1_TIME_print(bp, tm);
}
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