source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/asn1/a_gentm.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: 7.3 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/*
11 * GENERALIZEDTIME implementation. Based on UTCTIME
12 */
13
14#include <stdio.h>
15#include <time.h>
16#include "internal/cryptlib.h"
17#include <openssl/asn1.h>
18#include "asn1_locl.h"
19
20int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d)
21{
22 static const int min[9] = { 0, 0, 1, 1, 0, 0, 0, 0, 0 };
23 static const int max[9] = { 99, 99, 12, 31, 23, 59, 59, 12, 59 };
24 char *a;
25 int n, i, l, o;
26
27 if (d->type != V_ASN1_GENERALIZEDTIME)
28 return (0);
29 l = d->length;
30 a = (char *)d->data;
31 o = 0;
32 /*
33 * GENERALIZEDTIME is similar to UTCTIME except the year is represented
34 * as YYYY. This stuff treats everything as a two digit field so make
35 * first two fields 00 to 99
36 */
37 if (l < 13)
38 goto err;
39 for (i = 0; i < 7; i++) {
40 if ((i == 6) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
41 i++;
42 if (tm)
43 tm->tm_sec = 0;
44 break;
45 }
46 if ((a[o] < '0') || (a[o] > '9'))
47 goto err;
48 n = a[o] - '0';
49 if (++o > l)
50 goto err;
51
52 if ((a[o] < '0') || (a[o] > '9'))
53 goto err;
54 n = (n * 10) + a[o] - '0';
55 if (++o > l)
56 goto err;
57
58 if ((n < min[i]) || (n > max[i]))
59 goto err;
60 if (tm) {
61 switch (i) {
62 case 0:
63 tm->tm_year = n * 100 - 1900;
64 break;
65 case 1:
66 tm->tm_year += n;
67 break;
68 case 2:
69 tm->tm_mon = n - 1;
70 break;
71 case 3:
72 tm->tm_mday = n;
73 break;
74 case 4:
75 tm->tm_hour = n;
76 break;
77 case 5:
78 tm->tm_min = n;
79 break;
80 case 6:
81 tm->tm_sec = n;
82 break;
83 }
84 }
85 }
86 /*
87 * Optional fractional seconds: decimal point followed by one or more
88 * digits.
89 */
90 if (a[o] == '.') {
91 if (++o > l)
92 goto err;
93 i = o;
94 while ((a[o] >= '0') && (a[o] <= '9') && (o <= l))
95 o++;
96 /* Must have at least one digit after decimal point */
97 if (i == o)
98 goto err;
99 }
100
101 if (a[o] == 'Z')
102 o++;
103 else if ((a[o] == '+') || (a[o] == '-')) {
104 int offsign = a[o] == '-' ? -1 : 1, offset = 0;
105 o++;
106 if (o + 4 > l)
107 goto err;
108 for (i = 7; i < 9; i++) {
109 if ((a[o] < '0') || (a[o] > '9'))
110 goto err;
111 n = a[o] - '0';
112 o++;
113 if ((a[o] < '0') || (a[o] > '9'))
114 goto err;
115 n = (n * 10) + a[o] - '0';
116 if ((n < min[i]) || (n > max[i]))
117 goto err;
118 if (tm) {
119 if (i == 7)
120 offset = n * 3600;
121 else if (i == 8)
122 offset += n * 60;
123 }
124 o++;
125 }
126 if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
127 return 0;
128 } else if (a[o]) {
129 /* Missing time zone information. */
130 goto err;
131 }
132 return (o == l);
133 err:
134 return (0);
135}
136
137int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d)
138{
139 return asn1_generalizedtime_to_tm(NULL, d);
140}
141
142int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str)
143{
144 ASN1_GENERALIZEDTIME t;
145
146 t.type = V_ASN1_GENERALIZEDTIME;
147 t.length = strlen(str);
148 t.data = (unsigned char *)str;
149 if (ASN1_GENERALIZEDTIME_check(&t)) {
150 if (s != NULL) {
151 if (!ASN1_STRING_set((ASN1_STRING *)s, str, t.length))
152 return 0;
153 s->type = V_ASN1_GENERALIZEDTIME;
154 }
155 return (1);
156 } else
157 return (0);
158}
159
160ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
161 time_t t)
162{
163 return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0);
164}
165
166ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
167 time_t t, int offset_day,
168 long offset_sec)
169{
170 char *p;
171 struct tm *ts;
172 struct tm data;
173 size_t len = 20;
174 ASN1_GENERALIZEDTIME *tmps = NULL;
175
176 if (s == NULL)
177 tmps = ASN1_GENERALIZEDTIME_new();
178 else
179 tmps = s;
180 if (tmps == NULL)
181 return NULL;
182
183 ts = OPENSSL_gmtime(&t, &data);
184 if (ts == NULL)
185 goto err;
186
187 if (offset_day || offset_sec) {
188 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
189 goto err;
190 }
191
192 p = (char *)tmps->data;
193 if ((p == NULL) || ((size_t)tmps->length < len)) {
194 p = OPENSSL_malloc(len);
195 if (p == NULL) {
196 ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, ERR_R_MALLOC_FAILURE);
197 goto err;
198 }
199 OPENSSL_free(tmps->data);
200 tmps->data = (unsigned char *)p;
201 }
202
203 BIO_snprintf(p, len, "%04d%02d%02d%02d%02d%02dZ", ts->tm_year + 1900,
204 ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min,
205 ts->tm_sec);
206 tmps->length = strlen(p);
207 tmps->type = V_ASN1_GENERALIZEDTIME;
208#ifdef CHARSET_EBCDIC_not
209 ebcdic2ascii(tmps->data, tmps->data, tmps->length);
210#endif
211 return tmps;
212 err:
213 if (s == NULL)
214 ASN1_GENERALIZEDTIME_free(tmps);
215 return NULL;
216}
217
218const char *_asn1_mon[12] = {
219 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
220 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
221};
222
223int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
224{
225 char *v;
226 int gmt = 0;
227 int i;
228 int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
229 char *f = NULL;
230 int f_len = 0;
231
232 i = tm->length;
233 v = (char *)tm->data;
234
235 if (i < 12)
236 goto err;
237 if (v[i - 1] == 'Z')
238 gmt = 1;
239 for (i = 0; i < 12; i++)
240 if ((v[i] > '9') || (v[i] < '0'))
241 goto err;
242 y = (v[0] - '0') * 1000 + (v[1] - '0') * 100
243 + (v[2] - '0') * 10 + (v[3] - '0');
244 M = (v[4] - '0') * 10 + (v[5] - '0');
245 if ((M > 12) || (M < 1))
246 goto err;
247 d = (v[6] - '0') * 10 + (v[7] - '0');
248 h = (v[8] - '0') * 10 + (v[9] - '0');
249 m = (v[10] - '0') * 10 + (v[11] - '0');
250 if (tm->length >= 14 &&
251 (v[12] >= '0') && (v[12] <= '9') &&
252 (v[13] >= '0') && (v[13] <= '9')) {
253 s = (v[12] - '0') * 10 + (v[13] - '0');
254 /* Check for fractions of seconds. */
255 if (tm->length >= 15 && v[14] == '.') {
256 int l = tm->length;
257 f = &v[14]; /* The decimal point. */
258 f_len = 1;
259 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
260 ++f_len;
261 }
262 }
263
264 if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
265 _asn1_mon[M - 1], d, h, m, s, f_len, f, y,
266 (gmt) ? " GMT" : "") <= 0)
267 return (0);
268 else
269 return (1);
270 err:
271 BIO_write(bp, "Bad time value", 14);
272 return (0);
273}
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