-/* crypto/asn1/a_gentm.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 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
*/
-/* GENERALIZEDTIME implementation, written by Steve Henson. Based on UTCTIME */
+/*
+ * GENERALIZEDTIME implementation. Based on UTCTIME
+ */
#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_GENERALIZEDTIME(ASN1_GENERALIZEDTIME *a, unsigned char **pp)
- {
-#ifdef CHARSET_EBCDIC
- /* KLUDGE! We convert to ascii before writing DER */
- int len;
- char tmp[24];
- ASN1_STRING tmpstr = *(ASN1_STRING *)a;
-
- len = tmpstr.length;
- ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof tmp) ? sizeof tmp : len);
- tmpstr.data = tmp;
-
- a = (ASN1_GENERALIZEDTIME *) &tmpstr;
-#endif
- return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
- V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL));
- }
+int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d)
+{
+ static const int min[9] = { 0, 0, 1, 1, 0, 0, 0, 0, 0 };
+ static const int max[9] = { 99, 99, 12, 31, 23, 59, 59, 12, 59 };
+ char *a;
+ int n, i, l, o;
+ if (d->type != V_ASN1_GENERALIZEDTIME)
+ return (0);
+ l = d->length;
+ a = (char *)d->data;
+ o = 0;
+ /*
+ * GENERALIZEDTIME is similar to UTCTIME except the year is represented
+ * as YYYY. This stuff treats everything as a two digit field so make
+ * first two fields 00 to 99
+ */
+ if (l < 13)
+ goto err;
+ for (i = 0; i < 7; i++) {
+ if ((i == 6) && ((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;
-ASN1_GENERALIZEDTIME *d2i_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME **a,
- unsigned char **pp, long length)
- {
- ASN1_GENERALIZEDTIME *ret=NULL;
+ if ((a[o] < '0') || (a[o] > '9'))
+ goto err;
+ n = (n * 10) + a[o] - '0';
+ if (++o > l)
+ goto err;
- ret=(ASN1_GENERALIZEDTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length,
- V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL);
- if (ret == NULL)
- {
- ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ERR_R_NESTED_ASN1_ERROR);
- return(NULL);
- }
-#ifdef CHARSET_EBCDIC
- ascii2ebcdic(ret->data, ret->data, ret->length);
-#endif
- if (!ASN1_GENERALIZEDTIME_check(ret))
- {
- ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ASN1_R_INVALID_TIME_FORMAT);
- goto err;
- }
-
- return(ret);
-err:
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- M_ASN1_GENERALIZEDTIME_free(ret);
- return(NULL);
- }
-
-#endif
+ if ((n < min[i]) || (n > max[i]))
+ goto err;
+ if (tm) {
+ switch (i) {
+ case 0:
+ tm->tm_year = n * 100 - 1900;
+ break;
+ case 1:
+ tm->tm_year += n;
+ break;
+ case 2:
+ tm->tm_mon = n - 1;
+ break;
+ case 3:
+ tm->tm_mday = n;
+ break;
+ case 4:
+ tm->tm_hour = n;
+ break;
+ case 5:
+ tm->tm_min = n;
+ break;
+ case 6:
+ tm->tm_sec = n;
+ break;
+ }
+ }
+ }
+ /*
+ * Optional fractional seconds: decimal point followed by one or more
+ * digits.
+ */
+ if (a[o] == '.') {
+ if (++o > l)
+ goto err;
+ i = o;
+ while ((a[o] >= '0') && (a[o] <= '9') && (o <= l))
+ o++;
+ /* Must have at least one digit after decimal point */
+ if (i == o)
+ goto err;
+ }
-int ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *d)
- {
- static const int min[9]={ 0, 0, 1, 1, 0, 0, 0, 0, 0};
- static const int max[9]={99, 99,12,31,23,59,59,12,59};
- char *a;
- int n,i,l,o;
+ 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 = 7; i < 9; 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 == 7)
+ offset = n * 3600;
+ else if (i == 8)
+ offset += n * 60;
+ }
+ o++;
+ }
+ if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
+ return 0;
+ } else if (a[o]) {
+ /* Missing time zone information. */
+ goto err;
+ }
+ return (o == l);
+ err:
+ return (0);
+}
- if (d->type != V_ASN1_GENERALIZEDTIME) return(0);
- l=d->length;
- a=(char *)d->data;
- o=0;
- /* GENERALIZEDTIME is similar to UTCTIME except the year is
- * represented as YYYY. This stuff treats everything as a two digit
- * field so make first two fields 00 to 99
- */
- if (l < 13) goto err;
- for (i=0; i<7; i++)
- {
- if ((i == 6) && ((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;
- }
- /* Optional fractional seconds: decimal point followed by one
- * or more digits.
- */
- if (a[o] == '.')
- {
- if (++o > l) goto err;
- i = o;
- while ((a[o] >= '0') && (a[o] <= '9') && (o <= l))
- o++;
- /* Must have at least one digit after decimal point */
- if (i == o) goto err;
- }
-
- if (a[o] == 'Z')
- o++;
- else if ((a[o] == '+') || (a[o] == '-'))
- {
- o++;
- if (o+4 > l) goto err;
- for (i=7; i<9; 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++;
- }
- }
- else
- {
- /* Missing time zone information. */
- goto err;
- }
- return(o == l);
-err:
- return(0);
- }
+int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d)
+{
+ return asn1_generalizedtime_to_tm(NULL, d);
+}
int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str)
- {
- ASN1_GENERALIZEDTIME t;
+{
+ ASN1_GENERALIZEDTIME t;
- t.type=V_ASN1_GENERALIZEDTIME;
- t.length=strlen(str);
- t.data=(unsigned char *)str;
- if (ASN1_GENERALIZEDTIME_check(&t))
- {
- if (s != NULL)
- {
- if (!ASN1_STRING_set((ASN1_STRING *)s,
- (unsigned char *)str,t.length))
- return 0;
- s->type=V_ASN1_GENERALIZEDTIME;
- }
- return(1);
- }
- else
- return(0);
- }
+ t.type = V_ASN1_GENERALIZEDTIME;
+ t.length = strlen(str);
+ t.data = (unsigned char *)str;
+ if (ASN1_GENERALIZEDTIME_check(&t)) {
+ if (s != NULL) {
+ if (!ASN1_STRING_set((ASN1_STRING *)s, str, t.length))
+ return 0;
+ s->type = V_ASN1_GENERALIZEDTIME;
+ }
+ return (1);
+ } else
+ return (0);
+}
ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
- time_t t)
- {
- return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0);
- }
+ time_t t)
+{
+ return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0);
+}
ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
- time_t t, int offset_day, long offset_sec)
- {
- char *p;
- struct tm *ts;
- struct tm data;
- size_t len = 20;
+ time_t t, int offset_day,
+ long offset_sec)
+{
+ char *p;
+ struct tm *ts;
+ struct tm data;
+ size_t len = 20;
+ ASN1_GENERALIZEDTIME *tmps = NULL;
- if (s == NULL)
- s=M_ASN1_GENERALIZEDTIME_new();
- if (s == NULL)
- return(NULL);
+ if (s == NULL)
+ tmps = ASN1_GENERALIZEDTIME_new();
+ else
+ tmps = s;
+ if (tmps == NULL)
+ return NULL;
- ts=OPENSSL_gmtime(&t, &data);
- if (ts == NULL)
- return(NULL);
+ ts = OPENSSL_gmtime(&t, &data);
+ if (ts == NULL)
+ goto err;
- if (offset_day || offset_sec)
- {
- if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
- return NULL;
- }
+ if (offset_day || offset_sec) {
+ if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
+ 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_GENERALIZEDTIME_ADJ,
- ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- if (s->data != NULL)
- OPENSSL_free(s->data);
- s->data=(unsigned char *)p;
- }
+ p = (char *)tmps->data;
+ if ((p == NULL) || ((size_t)tmps->length < len)) {
+ p = OPENSSL_malloc(len);
+ if (p == NULL) {
+ ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ OPENSSL_free(tmps->data);
+ tmps->data = (unsigned char *)p;
+ }
- BIO_snprintf(p,len,"%04d%02d%02d%02d%02d%02dZ",ts->tm_year + 1900,
- ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
- s->length=strlen(p);
- s->type=V_ASN1_GENERALIZEDTIME;
+ BIO_snprintf(p, len, "%04d%02d%02d%02d%02d%02dZ", ts->tm_year + 1900,
+ ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min,
+ ts->tm_sec);
+ tmps->length = strlen(p);
+ tmps->type = V_ASN1_GENERALIZEDTIME;
#ifdef CHARSET_EBCDIC_not
- ebcdic2ascii(s->data, s->data, s->length);
+ ebcdic2ascii(tmps->data, tmps->data, tmps->length);
#endif
- return(s);
- }
+ return tmps;
+ err:
+ if (s == NULL)
+ ASN1_GENERALIZEDTIME_free(tmps);
+ return NULL;
+}
+
+const char *_asn1_mon[12] = {
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+};
+
+int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
+{
+ char *v;
+ int gmt = 0;
+ int i;
+ int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
+ char *f = NULL;
+ int f_len = 0;
+
+ i = tm->length;
+ v = (char *)tm->data;
+
+ if (i < 12)
+ goto err;
+ if (v[i - 1] == 'Z')
+ gmt = 1;
+ for (i = 0; i < 12; i++)
+ if ((v[i] > '9') || (v[i] < '0'))
+ goto err;
+ y = (v[0] - '0') * 1000 + (v[1] - '0') * 100
+ + (v[2] - '0') * 10 + (v[3] - '0');
+ M = (v[4] - '0') * 10 + (v[5] - '0');
+ if ((M > 12) || (M < 1))
+ goto err;
+ d = (v[6] - '0') * 10 + (v[7] - '0');
+ h = (v[8] - '0') * 10 + (v[9] - '0');
+ m = (v[10] - '0') * 10 + (v[11] - '0');
+ if (tm->length >= 14 &&
+ (v[12] >= '0') && (v[12] <= '9') &&
+ (v[13] >= '0') && (v[13] <= '9')) {
+ s = (v[12] - '0') * 10 + (v[13] - '0');
+ /* Check for fractions of seconds. */
+ if (tm->length >= 15 && v[14] == '.') {
+ int l = tm->length;
+ f = &v[14]; /* The decimal point. */
+ f_len = 1;
+ while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
+ ++f_len;
+ }
+ }
+
+ if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
+ _asn1_mon[M - 1], d, h, m, s, f_len, f, y,
+ (gmt) ? " GMT" : "") <= 0)
+ return (0);
+ else
+ return (1);
+ err:
+ BIO_write(bp, "Bad time value", 14);
+ return (0);
+}