ssl/libcrypto/src/crypto/asn1/a_time.c
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/asn1/a_time.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,164 @@
+/* crypto/asn1/a_time.c */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+
+/* This is an implementation of the ASN1 Time structure which is:
+ *    Time ::= CHOICE {
+ *      utcTime        UTCTime,
+ *      generalTime    GeneralizedTime }
+ * written by Steve Henson.
+ */
+
+#include <stdio.h>
+#include <time.h>
+#include "cryptlib.h"
+#include "o_time.h"
+#include <openssl/asn1t.h>
+
+IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
+
+IMPLEMENT_ASN1_FUNCTIONS(ASN1_TIME)
+
+#if 0
+EXPORT_C int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
+	{
+#ifdef CHARSET_EBCDIC
+	/* KLUDGE! We convert to ascii before writing DER */
+	char tmp[24];
+	ASN1_STRING tmpstr;
+
+	if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME) {
+	    int len;
+
+	    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
+	if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME)
+				return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
+				     a->type ,V_ASN1_UNIVERSAL));
+	ASN1err(ASN1_F_I2D_ASN1_TIME,ASN1_R_EXPECTING_A_TIME);
+	return -1;
+	}
+#endif
+
+
+EXPORT_C ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
+	{
+	struct tm *ts;
+	struct tm data;
+
+	ts=OPENSSL_gmtime(&t,&data);
+	if (ts == NULL)
+		{
+		ASN1err(ASN1_F_ASN1_TIME_SET, ASN1_R_ERROR_GETTING_TIME);
+		return NULL;
+		}
+	if((ts->tm_year >= 50) && (ts->tm_year < 150))
+					return ASN1_UTCTIME_set(s, t);
+	return ASN1_GENERALIZEDTIME_set(s,t);
+	}
+
+EXPORT_C int ASN1_TIME_check(ASN1_TIME *t)
+	{
+	if (t->type == V_ASN1_GENERALIZEDTIME)
+		return ASN1_GENERALIZEDTIME_check(t);
+	else if (t->type == V_ASN1_UTCTIME)
+		return ASN1_UTCTIME_check(t);
+	return 0;
+	}
+
+/* Convert an ASN1_TIME structure to GeneralizedTime */
+EXPORT_C ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out)
+	{
+	ASN1_GENERALIZEDTIME *ret;
+	char *str;
+	int newlen;
+
+	if (!ASN1_TIME_check(t)) return NULL;
+
+	if (!out || !*out)
+		{
+		if (!(ret = ASN1_GENERALIZEDTIME_new ()))
+			return NULL;
+		if (out) *out = ret;
+		}
+	else ret = *out;
+
+	/* If already GeneralizedTime just copy across */
+	if (t->type == V_ASN1_GENERALIZEDTIME)
+		{
+		if(!ASN1_STRING_set(ret, t->data, t->length))
+			return NULL;
+		return ret;
+		}
+
+	/* grow the string */
+	if (!ASN1_STRING_set(ret, NULL, t->length + 2))
+		return NULL;
+	/* ASN1_STRING_set() allocated 'len + 1' bytes. */
+	newlen = t->length + 2 + 1;
+	str = (char *)ret->data;
+	/* Work out the century and prepend */
+	if (t->data[0] >= '5') BUF_strlcpy(str, "19", newlen);
+	else BUF_strlcpy(str, "20", newlen);
+
+	BUF_strlcat(str, (char *)t->data, newlen);
+
+	return ret;
+	}