--- /dev/null
+/* 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 <openssl/asn1.h>
+
+#include <string.h>
+#include <time.h>
+
+#include <openssl/err.h>
+#include <openssl/mem.h>
+
+#include "asn1_locl.h"
+
+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;
+
+ 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 * 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;
+ }
+
+ 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);
+}
+
+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;
+
+ 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);
+}
+
+ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
+ 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;
+ ASN1_GENERALIZEDTIME *tmps = NULL;
+
+ if (s == NULL)
+ tmps = ASN1_GENERALIZEDTIME_new();
+ else
+ tmps = s;
+ if (tmps == 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))
+ goto err;
+ }
+
+ p = (char *)tmps->data;
+ if ((p == NULL) || ((size_t)tmps->length < len)) {
+ p = OPENSSL_malloc(len);
+ if (p == NULL) {
+ OPENSSL_PUT_ERROR(ASN1, 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);
+ tmps->length = strlen(p);
+ tmps->type = V_ASN1_GENERALIZEDTIME;
+ return tmps;
+ err:
+ if (s == NULL)
+ ASN1_GENERALIZEDTIME_free(tmps);
+ return NULL;
+}
git://repos.xcallymotion.com / motion2.git / blobdiff