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diff --git a/src/lib/libcrypto/asn1/a_time.c b/src/lib/libcrypto/asn1/a_time.c
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1/* crypto/asn1/a_time.c */
2/* ====================================================================
3 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * licensing@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56
57/* This is an implementation of the ASN1 Time structure which is:
58 * Time ::= CHOICE {
59 * utcTime UTCTime,
60 * generalTime GeneralizedTime }
61 * written by Steve Henson.
62 */
63
64#include <stdio.h>
65#include <time.h>
66#include "cryptlib.h"
67#include "o_time.h"
68#include <openssl/asn1t.h>
69
70IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
71
72IMPLEMENT_ASN1_FUNCTIONS(ASN1_TIME)
73
74#if 0
75int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
76 {
77#ifdef CHARSET_EBCDIC
78 /* KLUDGE! We convert to ascii before writing DER */
79 char tmp[24];
80 ASN1_STRING tmpstr;
81
82 if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME) {
83 int len;
84
85 tmpstr = *(ASN1_STRING *)a;
86 len = tmpstr.length;
87 ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof tmp) ? sizeof tmp : len);
88 tmpstr.data = tmp;
89 a = (ASN1_GENERALIZEDTIME *) &tmpstr;
90 }
91#endif
92 if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME)
93 return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
94 a->type ,V_ASN1_UNIVERSAL));
95 ASN1err(ASN1_F_I2D_ASN1_TIME,ASN1_R_EXPECTING_A_TIME);
96 return -1;
97 }
98#endif
99
100
101ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
102 {
103 struct tm *ts;
104 struct tm data;
105
106 ts=OPENSSL_gmtime(&t,&data);
107 if (ts == NULL)
108 return NULL;
109 if((ts->tm_year >= 50) && (ts->tm_year < 150))
110 return ASN1_UTCTIME_set(s, t);
111 return ASN1_GENERALIZEDTIME_set(s,t);
112 }
113
114int ASN1_TIME_check(ASN1_TIME *t)
115 {
116 if (t->type == V_ASN1_GENERALIZEDTIME)
117 return ASN1_GENERALIZEDTIME_check(t);
118 else if (t->type == V_ASN1_UTCTIME)
119 return ASN1_UTCTIME_check(t);
120 return 0;
121 }
122
123/* Convert an ASN1_TIME structure to GeneralizedTime */
124ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out)
125 {
126 ASN1_GENERALIZEDTIME *ret;
127 char *str;
128
129 if (!ASN1_TIME_check(t)) return NULL;
130
131 if (!out || !*out)
132 {
133 if (!(ret = ASN1_GENERALIZEDTIME_new ()))
134 return NULL;
135 if (out) *out = ret;
136 }
137 else ret = *out;
138
139 /* If already GeneralizedTime just copy across */
140 if (t->type == V_ASN1_GENERALIZEDTIME)
141 {
142 if(!ASN1_STRING_set(ret, t->data, t->length))
143 return NULL;
144 return ret;
145 }
146
147 /* grow the string */
148 if (!ASN1_STRING_set(ret, NULL, t->length + 2))
149 return NULL;
150 str = (char *)ret->data;
151 /* Work out the century and prepend */
152 if (t->data[0] >= '5') strcpy(str, "19");
153 else strcpy(str, "20");
154
155 strcat(str, (char *)t->data);
156
157 return ret;
158 }
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