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path: root/src/lib/libcrypto/asn1/a_gentm.c
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Diffstat (limited to 'src/lib/libcrypto/asn1/a_gentm.c')
-rw-r--r--src/lib/libcrypto/asn1/a_gentm.c106
1 files changed, 13 insertions, 93 deletions
diff --git a/src/lib/libcrypto/asn1/a_gentm.c b/src/lib/libcrypto/asn1/a_gentm.c
index 4cee40437c..594eb63058 100644
--- a/src/lib/libcrypto/asn1/a_gentm.c
+++ b/src/lib/libcrypto/asn1/a_gentm.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: a_gentm.c,v 1.24 2015/09/30 18:04:02 jsing Exp $ */ 1/* $OpenBSD: a_gentm.c,v 1.25 2015/10/02 15:04:45 beck Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
@@ -66,86 +66,14 @@
66#include <openssl/err.h> 66#include <openssl/err.h>
67 67
68#include "o_time.h" 68#include "o_time.h"
69#include "asn1_locl.h"
69 70
70int 71int
71ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *d) 72ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *d)
72{ 73{
73 static const int min[9] = {0, 0, 1, 1, 0, 0, 0, 0, 0};
74 static const int max[9] = {99, 99, 12, 31, 23, 59, 59, 12, 59};
75 char *a;
76 int n, i, l, o;
77
78 if (d->type != V_ASN1_GENERALIZEDTIME) 74 if (d->type != V_ASN1_GENERALIZEDTIME)
79 return (0); 75 return (0);
80 l = d->length; 76 return (d->type == asn1_time_parse(d->data, d->length, NULL, d->type));
81 a = (char *)d->data;
82 o = 0;
83 /* GENERALIZEDTIME is similar to UTCTIME except the year is
84 * represented as YYYY. This stuff treats everything as a two digit
85 * field so make first two fields 00 to 99
86 */
87 if (l < 13)
88 goto err;
89 for (i = 0; i < 7; i++) {
90 if ((i == 6) && ((a[o] == 'Z') ||
91 (a[o] == '+') || (a[o] == '-'))) {
92 i++;
93 break;
94 }
95 if ((a[o] < '0') || (a[o] > '9'))
96 goto err;
97 n= a[o]-'0';
98 if (++o > l)
99 goto err;
100
101 if ((a[o] < '0') || (a[o] > '9'))
102 goto err;
103 n = (n * 10)+ a[o] - '0';
104 if (++o > l)
105 goto err;
106
107 if ((n < min[i]) || (n > max[i]))
108 goto err;
109 }
110 /* Optional fractional seconds: decimal point followed by one
111 * or more digits.
112 */
113 if (a[o] == '.') {
114 if (++o > l)
115 goto err;
116 i = o;
117 while ((a[o] >= '0') && (a[o] <= '9') && (o <= l))
118 o++;
119 /* Must have at least one digit after decimal point */
120 if (i == o)
121 goto err;
122 }
123
124 if (a[o] == 'Z')
125 o++;
126 else if ((a[o] == '+') || (a[o] == '-')) {
127 o++;
128 if (o + 4 > l)
129 goto err;
130 for (i = 7; i < 9; i++) {
131 if ((a[o] < '0') || (a[o] > '9'))
132 goto err;
133 n = a[o] - '0';
134 o++;
135 if ((a[o] < '0') || (a[o] > '9'))
136 goto err;
137 n = (n * 10) + a[o] - '0';
138 if ((n < min[i]) || (n > max[i]))
139 goto err;
140 o++;
141 }
142 } else {
143 /* Missing time zone information. */
144 goto err;
145 }
146 return (o == l);
147err:
148 return (0);
149} 77}
150 78
151int 79int
@@ -179,34 +107,26 @@ ASN1_GENERALIZEDTIME_adj_internal(ASN1_GENERALIZEDTIME *s, time_t t,
179 int offset_day, long offset_sec) 107 int offset_day, long offset_sec)
180{ 108{
181 char *p; 109 char *p;
182 struct tm *ts; 110 struct tm *tm;
183 struct tm data; 111 struct tm data;
184 size_t len = 20;
185 112
186 ts = gmtime_r(&t, &data); 113 tm = gmtime_r(&t, &data);
187 if (ts == NULL) 114 if (tm == NULL)
188 return (NULL); 115 return (NULL);
189 116
190 if (offset_day || offset_sec) { 117 if (offset_day || offset_sec) {
191 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) 118 if (!OPENSSL_gmtime_adj(tm, offset_day, offset_sec))
192 return NULL; 119 return NULL;
193 } 120 }
194 121
195 p = (char *)s->data; 122 if ((p = gentime_string_from_tm(tm)) == NULL) {
196 if ((p == NULL) || ((size_t)s->length < len)) { 123 ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, ERR_R_MALLOC_FAILURE);
197 p = malloc(len); 124 return (NULL);
198 if (p == NULL) {
199 ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ,
200 ERR_R_MALLOC_FAILURE);
201 return (NULL);
202 }
203 free(s->data);
204 s->data = (unsigned char *)p;
205 } 125 }
206 126 free(s->data);
207 snprintf(p, len, "%04d%02d%02d%02d%02d%02dZ", ts->tm_year + 1900, 127 s->data = p;
208 ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min, ts->tm_sec);
209 s->length = strlen(p); 128 s->length = strlen(p);
129
210 s->type = V_ASN1_GENERALIZEDTIME; 130 s->type = V_ASN1_GENERALIZEDTIME;
211 return (s); 131 return (s);
212} 132}