source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/asn1/a_utctm.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 6.1 KB
Line 
1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include <time.h>
12#include "internal/cryptlib.h"
13#include <openssl/asn1.h>
14#include "asn1_locl.h"
15
16int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
17{
18 static const int min[8] = { 0, 1, 1, 0, 0, 0, 0, 0 };
19 static const int max[8] = { 99, 12, 31, 23, 59, 59, 12, 59 };
20 char *a;
21 int n, i, l, o;
22
23 if (d->type != V_ASN1_UTCTIME)
24 return (0);
25 l = d->length;
26 a = (char *)d->data;
27 o = 0;
28
29 if (l < 11)
30 goto err;
31 for (i = 0; i < 6; i++) {
32 if ((i == 5) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
33 i++;
34 if (tm)
35 tm->tm_sec = 0;
36 break;
37 }
38 if ((a[o] < '0') || (a[o] > '9'))
39 goto err;
40 n = a[o] - '0';
41 if (++o > l)
42 goto err;
43
44 if ((a[o] < '0') || (a[o] > '9'))
45 goto err;
46 n = (n * 10) + a[o] - '0';
47 if (++o > l)
48 goto err;
49
50 if ((n < min[i]) || (n > max[i]))
51 goto err;
52 if (tm) {
53 switch (i) {
54 case 0:
55 tm->tm_year = n < 50 ? n + 100 : n;
56 break;
57 case 1:
58 tm->tm_mon = n - 1;
59 break;
60 case 2:
61 tm->tm_mday = n;
62 break;
63 case 3:
64 tm->tm_hour = n;
65 break;
66 case 4:
67 tm->tm_min = n;
68 break;
69 case 5:
70 tm->tm_sec = n;
71 break;
72 }
73 }
74 }
75 if (a[o] == 'Z')
76 o++;
77 else if ((a[o] == '+') || (a[o] == '-')) {
78 int offsign = a[o] == '-' ? -1 : 1, offset = 0;
79 o++;
80 if (o + 4 > l)
81 goto err;
82 for (i = 6; i < 8; i++) {
83 if ((a[o] < '0') || (a[o] > '9'))
84 goto err;
85 n = a[o] - '0';
86 o++;
87 if ((a[o] < '0') || (a[o] > '9'))
88 goto err;
89 n = (n * 10) + a[o] - '0';
90 if ((n < min[i]) || (n > max[i]))
91 goto err;
92 if (tm) {
93 if (i == 6)
94 offset = n * 3600;
95 else if (i == 7)
96 offset += n * 60;
97 }
98 o++;
99 }
100 if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
101 return 0;
102 }
103 return o == l;
104 err:
105 return 0;
106}
107
108int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
109{
110 return asn1_utctime_to_tm(NULL, d);
111}
112
113int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
114{
115 ASN1_UTCTIME t;
116
117 t.type = V_ASN1_UTCTIME;
118 t.length = strlen(str);
119 t.data = (unsigned char *)str;
120 if (ASN1_UTCTIME_check(&t)) {
121 if (s != NULL) {
122 if (!ASN1_STRING_set((ASN1_STRING *)s, str, t.length))
123 return 0;
124 s->type = V_ASN1_UTCTIME;
125 }
126 return (1);
127 } else
128 return (0);
129}
130
131ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
132{
133 return ASN1_UTCTIME_adj(s, t, 0, 0);
134}
135
136ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
137 int offset_day, long offset_sec)
138{
139 char *p;
140 struct tm *ts;
141 struct tm data;
142 size_t len = 20;
143 int free_s = 0;
144
145 if (s == NULL) {
146 s = ASN1_UTCTIME_new();
147 if (s == NULL)
148 goto err;
149 free_s = 1;
150 }
151
152 ts = OPENSSL_gmtime(&t, &data);
153 if (ts == NULL)
154 goto err;
155
156 if (offset_day || offset_sec) {
157 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
158 goto err;
159 }
160
161 if ((ts->tm_year < 50) || (ts->tm_year >= 150))
162 goto err;
163
164 p = (char *)s->data;
165 if ((p == NULL) || ((size_t)s->length < len)) {
166 p = OPENSSL_malloc(len);
167 if (p == NULL) {
168 ASN1err(ASN1_F_ASN1_UTCTIME_ADJ, ERR_R_MALLOC_FAILURE);
169 goto err;
170 }
171 OPENSSL_free(s->data);
172 s->data = (unsigned char *)p;
173 }
174
175 BIO_snprintf(p, len, "%02d%02d%02d%02d%02d%02dZ", ts->tm_year % 100,
176 ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min,
177 ts->tm_sec);
178 s->length = strlen(p);
179 s->type = V_ASN1_UTCTIME;
180#ifdef CHARSET_EBCDIC_not
181 ebcdic2ascii(s->data, s->data, s->length);
182#endif
183 return (s);
184 err:
185 if (free_s)
186 ASN1_UTCTIME_free(s);
187 return NULL;
188}
189
190int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
191{
192 struct tm stm, ttm;
193 int day, sec;
194
195 if (!asn1_utctime_to_tm(&stm, s))
196 return -2;
197
198 if (!OPENSSL_gmtime(&t, &ttm))
199 return -2;
200
201 if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm))
202 return -2;
203
204 if (day > 0)
205 return 1;
206 if (day < 0)
207 return -1;
208 if (sec > 0)
209 return 1;
210 if (sec < 0)
211 return -1;
212 return 0;
213}
214
215int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
216{
217 const char *v;
218 int gmt = 0;
219 int i;
220 int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
221
222 i = tm->length;
223 v = (const char *)tm->data;
224
225 if (i < 10)
226 goto err;
227 if (v[i - 1] == 'Z')
228 gmt = 1;
229 for (i = 0; i < 10; i++)
230 if ((v[i] > '9') || (v[i] < '0'))
231 goto err;
232 y = (v[0] - '0') * 10 + (v[1] - '0');
233 if (y < 50)
234 y += 100;
235 M = (v[2] - '0') * 10 + (v[3] - '0');
236 if ((M > 12) || (M < 1))
237 goto err;
238 d = (v[4] - '0') * 10 + (v[5] - '0');
239 h = (v[6] - '0') * 10 + (v[7] - '0');
240 m = (v[8] - '0') * 10 + (v[9] - '0');
241 if (tm->length >= 12 &&
242 (v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9'))
243 s = (v[10] - '0') * 10 + (v[11] - '0');
244
245 if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s",
246 _asn1_mon[M - 1], d, h, m, s, y + 1900,
247 (gmt) ? " GMT" : "") <= 0)
248 return (0);
249 else
250 return (1);
251 err:
252 BIO_write(bp, "Bad time value", 14);
253 return (0);
254}
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