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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 return ASN1_TIME_adj(s, t, 0, 0);
104 }
105
106ASN1_TIME *ASN1_TIME_adj(ASN1_TIME *s, time_t t,
107 int offset_day, long offset_sec)
108 {
109 struct tm *ts;
110 struct tm data;
111
112 ts=OPENSSL_gmtime(&t,&data);
113 if (ts == NULL)
114 {
115 ASN1err(ASN1_F_ASN1_TIME_ADJ, ASN1_R_ERROR_GETTING_TIME);
116 return NULL;
117 }
118 if (offset_day || offset_sec)
119 {
120 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
121 return NULL;
122 }
123 if((ts->tm_year >= 50) && (ts->tm_year < 150))
124 return ASN1_UTCTIME_adj(s, t, offset_day, offset_sec);
125 return ASN1_GENERALIZEDTIME_adj(s, t, offset_day, offset_sec);
126 }
127
128int ASN1_TIME_check(ASN1_TIME *t)
129 {
130 if (t->type == V_ASN1_GENERALIZEDTIME)
131 return ASN1_GENERALIZEDTIME_check(t);
132 else if (t->type == V_ASN1_UTCTIME)
133 return ASN1_UTCTIME_check(t);
134 return 0;
135 }
136
137/* Convert an ASN1_TIME structure to GeneralizedTime */
138ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out)
139 {
140 ASN1_GENERALIZEDTIME *ret;
141 char *str;
142 int newlen;
143
144 if (!ASN1_TIME_check(t)) return NULL;
145
146 if (!out || !*out)
147 {
148 if (!(ret = ASN1_GENERALIZEDTIME_new ()))
149 return NULL;
150 if (out) *out = ret;
151 }
152 else ret = *out;
153
154 /* If already GeneralizedTime just copy across */
155 if (t->type == V_ASN1_GENERALIZEDTIME)
156 {
157 if(!ASN1_STRING_set(ret, t->data, t->length))
158 return NULL;
159 return ret;
160 }
161
162 /* grow the string */
163 if (!ASN1_STRING_set(ret, NULL, t->length + 2))
164 return NULL;
165 /* ASN1_STRING_set() allocated 'len + 1' bytes. */
166 newlen = t->length + 2 + 1;
167 str = (char *)ret->data;
168 /* Work out the century and prepend */
169 if (t->data[0] >= '5') BUF_strlcpy(str, "19", newlen);
170 else BUF_strlcpy(str, "20", newlen);
171
172 BUF_strlcat(str, (char *)t->data, newlen);
173
174 return ret;
175 }
176
177int ASN1_TIME_set_string(ASN1_TIME *s, const char *str)
178 {
179 ASN1_TIME t;
180
181 t.length = strlen(str);
182 t.data = (unsigned char *)str;
183 t.flags = 0;
184
185 t.type = V_ASN1_UTCTIME;
186
187 if (!ASN1_TIME_check(&t))
188 {
189 t.type = V_ASN1_GENERALIZEDTIME;
190 if (!ASN1_TIME_check(&t))
191 return 0;
192 }
193
194 if (s && !ASN1_STRING_copy((ASN1_STRING *)s, (ASN1_STRING *)&t))
195 return 0;
196
197 return 1;
198 }
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