2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include "internal/cryptlib.h"
13 #include <openssl/asn1.h>
14 #include "asn1_locl.h"
16 int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
18 static const int min[8] = { 0, 1, 1, 0, 0, 0, 0, 0 };
19 static const int max[8] = { 99, 12, 31, 23, 59, 59, 12, 59 };
23 if (d->type != V_ASN1_UTCTIME)
31 for (i = 0; i < 6; i++) {
32 if ((i == 5) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
38 if ((a[o] < '0') || (a[o] > '9'))
44 if ((a[o] < '0') || (a[o] > '9'))
46 n = (n * 10) + a[o] - '0';
50 if ((n < min[i]) || (n > max[i]))
55 tm->tm_year = n < 50 ? n + 100 : n;
77 else if ((a[o] == '+') || (a[o] == '-')) {
78 int offsign = a[o] == '-' ? -1 : 1, offset = 0;
82 for (i = 6; i < 8; i++) {
83 if ((a[o] < '0') || (a[o] > '9'))
87 if ((a[o] < '0') || (a[o] > '9'))
89 n = (n * 10) + a[o] - '0';
90 if ((n < min[i]) || (n > max[i]))
100 if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
108 int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
110 return asn1_utctime_to_tm(NULL, d);
113 int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
117 t.type = V_ASN1_UTCTIME;
118 t.length = strlen(str);
119 t.data = (unsigned char *)str;
120 if (ASN1_UTCTIME_check(&t)) {
122 if (!ASN1_STRING_set((ASN1_STRING *)s,
123 (unsigned char *)str, t.length))
125 s->type = V_ASN1_UTCTIME;
132 ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
134 return ASN1_UTCTIME_adj(s, t, 0, 0);
137 ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
138 int offset_day, long offset_sec)
147 s = ASN1_UTCTIME_new();
153 ts = OPENSSL_gmtime(&t, &data);
157 if (offset_day || offset_sec) {
158 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
162 if ((ts->tm_year < 50) || (ts->tm_year >= 150))
166 if ((p == NULL) || ((size_t)s->length < len)) {
167 p = OPENSSL_malloc(len);
169 ASN1err(ASN1_F_ASN1_UTCTIME_ADJ, ERR_R_MALLOC_FAILURE);
172 OPENSSL_free(s->data);
173 s->data = (unsigned char *)p;
176 BIO_snprintf(p, len, "%02d%02d%02d%02d%02d%02dZ", ts->tm_year % 100,
177 ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min,
179 s->length = strlen(p);
180 s->type = V_ASN1_UTCTIME;
181 #ifdef CHARSET_EBCDIC_not
182 ebcdic2ascii(s->data, s->data, s->length);
187 ASN1_UTCTIME_free(s);
191 int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
196 if (!asn1_utctime_to_tm(&stm, s))
199 if (!OPENSSL_gmtime(&t, &ttm))
202 if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm))
216 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
221 int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
224 v = (const char *)tm->data;
230 for (i = 0; i < 10; i++)
231 if ((v[i] > '9') || (v[i] < '0'))
233 y = (v[0] - '0') * 10 + (v[1] - '0');
236 M = (v[2] - '0') * 10 + (v[3] - '0');
237 if ((M > 12) || (M < 1))
239 d = (v[4] - '0') * 10 + (v[5] - '0');
240 h = (v[6] - '0') * 10 + (v[7] - '0');
241 m = (v[8] - '0') * 10 + (v[9] - '0');
242 if (tm->length >= 12 &&
243 (v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9'))
244 s = (v[10] - '0') * 10 + (v[11] - '0');
246 if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s",
247 _asn1_mon[M - 1], d, h, m, s, y + 1900,
248 (gmt) ? " GMT" : "") <= 0)
253 BIO_write(bp, "Bad time value", 14);