]>
Commit | Line | Data |
---|---|---|
b1322259 | 1 | /* |
60eba30f | 2 | * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. |
0f113f3e | 3 | * |
b1322259 RS |
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 | |
f6aed2cd DSH |
8 | */ |
9 | ||
0f113f3e | 10 | /* |
b1322259 | 11 | * GENERALIZEDTIME implementation. Based on UTCTIME |
0f113f3e | 12 | */ |
f6aed2cd DSH |
13 | |
14 | #include <stdio.h> | |
15 | #include <time.h> | |
b39fc560 | 16 | #include "internal/cryptlib.h" |
ec577822 | 17 | #include <openssl/asn1.h> |
1c455bc0 | 18 | #include "asn1_locl.h" |
f6aed2cd | 19 | |
1c455bc0 | 20 | int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d) |
0f113f3e | 21 | { |
3d0f1cb9 | 22 | /* wrapper around asn1_time_to_tm */ |
0f113f3e | 23 | if (d->type != V_ASN1_GENERALIZEDTIME) |
3d0f1cb9 PY |
24 | return 0; |
25 | return asn1_time_to_tm(tm, d); | |
26 | } | |
f6aed2cd | 27 | |
1c455bc0 | 28 | int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d) |
0f113f3e MC |
29 | { |
30 | return asn1_generalizedtime_to_tm(NULL, d); | |
31 | } | |
1c455bc0 | 32 | |
875a644a | 33 | int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str) |
0f113f3e MC |
34 | { |
35 | ASN1_GENERALIZEDTIME t; | |
f6aed2cd | 36 | |
0f113f3e MC |
37 | t.type = V_ASN1_GENERALIZEDTIME; |
38 | t.length = strlen(str); | |
39 | t.data = (unsigned char *)str; | |
04e62715 RS |
40 | t.flags = 0; |
41 | ||
0f113f3e MC |
42 | if (ASN1_GENERALIZEDTIME_check(&t)) { |
43 | if (s != NULL) { | |
a026fbf9 | 44 | if (!ASN1_STRING_set((ASN1_STRING *)s, str, t.length)) |
0f113f3e MC |
45 | return 0; |
46 | s->type = V_ASN1_GENERALIZEDTIME; | |
47 | } | |
48 | return (1); | |
49 | } else | |
50 | return (0); | |
51 | } | |
f6aed2cd | 52 | |
6b691a5c | 53 | ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s, |
0f113f3e MC |
54 | time_t t) |
55 | { | |
56 | return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0); | |
57 | } | |
87d3a0cd DSH |
58 | |
59 | ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s, | |
0f113f3e MC |
60 | time_t t, int offset_day, |
61 | long offset_sec) | |
62 | { | |
63 | char *p; | |
64 | struct tm *ts; | |
65 | struct tm data; | |
60eba30f | 66 | const size_t len = 20; |
fe71bb3a | 67 | ASN1_GENERALIZEDTIME *tmps = NULL; |
f6aed2cd | 68 | |
0f113f3e | 69 | if (s == NULL) |
fe71bb3a MC |
70 | tmps = ASN1_GENERALIZEDTIME_new(); |
71 | else | |
72 | tmps = s; | |
73 | if (tmps == NULL) | |
74 | return NULL; | |
f6aed2cd | 75 | |
0f113f3e MC |
76 | ts = OPENSSL_gmtime(&t, &data); |
77 | if (ts == NULL) | |
fe71bb3a | 78 | goto err; |
b8e35bd6 | 79 | |
0f113f3e MC |
80 | if (offset_day || offset_sec) { |
81 | if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) | |
fe71bb3a | 82 | goto err; |
0f113f3e | 83 | } |
87d3a0cd | 84 | |
fe71bb3a MC |
85 | p = (char *)tmps->data; |
86 | if ((p == NULL) || ((size_t)tmps->length < len)) { | |
0f113f3e MC |
87 | p = OPENSSL_malloc(len); |
88 | if (p == NULL) { | |
89 | ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, ERR_R_MALLOC_FAILURE); | |
fe71bb3a | 90 | goto err; |
0f113f3e | 91 | } |
fe71bb3a MC |
92 | OPENSSL_free(tmps->data); |
93 | tmps->data = (unsigned char *)p; | |
0f113f3e | 94 | } |
f6aed2cd | 95 | |
60eba30f P |
96 | tmps->length = BIO_snprintf(p, len, "%04d%02d%02d%02d%02d%02dZ", |
97 | ts->tm_year + 1900, ts->tm_mon + 1, | |
98 | ts->tm_mday, ts->tm_hour, ts->tm_min, | |
99 | ts->tm_sec); | |
fe71bb3a | 100 | tmps->type = V_ASN1_GENERALIZEDTIME; |
a53955d8 | 101 | #ifdef CHARSET_EBCDIC_not |
fe71bb3a | 102 | ebcdic2ascii(tmps->data, tmps->data, tmps->length); |
a53955d8 | 103 | #endif |
fe71bb3a MC |
104 | return tmps; |
105 | err: | |
106 | if (s == NULL) | |
107 | ASN1_GENERALIZEDTIME_free(tmps); | |
108 | return NULL; | |
0f113f3e | 109 | } |
0d0099ea DSH |
110 | |
111 | const char *_asn1_mon[12] = { | |
112 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
113 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" | |
114 | }; | |
115 | ||
116 | int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm) | |
117 | { | |
118 | char *v; | |
119 | int gmt = 0; | |
120 | int i; | |
121 | int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0; | |
122 | char *f = NULL; | |
123 | int f_len = 0; | |
124 | ||
125 | i = tm->length; | |
126 | v = (char *)tm->data; | |
127 | ||
128 | if (i < 12) | |
129 | goto err; | |
130 | if (v[i - 1] == 'Z') | |
131 | gmt = 1; | |
132 | for (i = 0; i < 12; i++) | |
133 | if ((v[i] > '9') || (v[i] < '0')) | |
134 | goto err; | |
135 | y = (v[0] - '0') * 1000 + (v[1] - '0') * 100 | |
136 | + (v[2] - '0') * 10 + (v[3] - '0'); | |
137 | M = (v[4] - '0') * 10 + (v[5] - '0'); | |
138 | if ((M > 12) || (M < 1)) | |
139 | goto err; | |
140 | d = (v[6] - '0') * 10 + (v[7] - '0'); | |
141 | h = (v[8] - '0') * 10 + (v[9] - '0'); | |
142 | m = (v[10] - '0') * 10 + (v[11] - '0'); | |
143 | if (tm->length >= 14 && | |
144 | (v[12] >= '0') && (v[12] <= '9') && | |
145 | (v[13] >= '0') && (v[13] <= '9')) { | |
146 | s = (v[12] - '0') * 10 + (v[13] - '0'); | |
147 | /* Check for fractions of seconds. */ | |
148 | if (tm->length >= 15 && v[14] == '.') { | |
149 | int l = tm->length; | |
150 | f = &v[14]; /* The decimal point. */ | |
151 | f_len = 1; | |
152 | while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9') | |
153 | ++f_len; | |
154 | } | |
155 | } | |
156 | ||
157 | if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s", | |
158 | _asn1_mon[M - 1], d, h, m, s, f_len, f, y, | |
159 | (gmt) ? " GMT" : "") <= 0) | |
160 | return (0); | |
161 | else | |
162 | return (1); | |
163 | err: | |
164 | BIO_write(bp, "Bad time value", 14); | |
165 | return (0); | |
166 | } |