1 /* crypto/asn1/a_utctm.c */
2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
64 /* ASN1err(ASN1_F_ASN1_UTCTIME_NEW,ASN1_R_UTCTIME_TOO_LONG);
65 * ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_EXPECTING_A_UTCTIME);
68 int i2d_ASN1_UTCTIME(a
,pp
)
72 return(i2d_ASN1_bytes((ASN1_STRING
*)a
,pp
,
73 V_ASN1_UTCTIME
,V_ASN1_UNIVERSAL
));
77 ASN1_UTCTIME
*d2i_ASN1_UTCTIME(a
, pp
, length
)
82 ASN1_UTCTIME
*ret
=NULL
;
84 ret
=(ASN1_UTCTIME
*)d2i_ASN1_bytes((ASN1_STRING
**)a
,pp
,length
,
85 V_ASN1_UTCTIME
,V_ASN1_UNIVERSAL
);
88 ASN1err(ASN1_F_D2I_ASN1_UTCTIME
,ASN1_R_ERROR_STACK
);
91 if (!ASN1_UTCTIME_check(ret
))
93 ASN1err(ASN1_F_D2I_ASN1_UTCTIME
,ASN1_R_INVALID_TIME_FORMAT
);
99 if ((ret
!= NULL
) && ((a
== NULL
) || (*a
!= ret
)))
100 ASN1_UTCTIME_free(ret
);
104 int ASN1_UTCTIME_check(d
)
107 static int min
[8]={ 0, 1, 1, 0, 0, 0, 0, 0};
108 static int max
[8]={99,12,31,23,59,59,12,59};
112 if (d
->type
!= V_ASN1_UTCTIME
) return(0);
117 if (l
< 11) goto err
;
120 if ((i
== 5) && ((a
[o
] == 'Z') ||
121 (a
[o
] == '+') || (a
[o
] == '-')))
123 if ((a
[o
] < '0') || (a
[o
] > '9')) goto err
;
125 if (++o
> l
) goto err
;
127 if ((a
[o
] < '0') || (a
[o
] > '9')) goto err
;
129 if (++o
> l
) goto err
;
131 if ((n
< min
[i
]) || (n
> max
[i
])) goto err
;
135 else if ((a
[o
] == '+') || (a
[o
] == '-'))
138 if (o
+4 > l
) goto err
;
141 if ((a
[o
] < '0') || (a
[o
] > '9')) goto err
;
144 if ((a
[o
] < '0') || (a
[o
] > '9')) goto err
;
146 if ((n
< min
[i
]) || (n
> max
[i
])) goto err
;
155 ASN1_UTCTIME
*ASN1_UTCTIME_set(s
, t
)
166 s
=ASN1_UTCTIME_new();
171 ts
=(struct tm
*)gmtime_r(&t
,&data
);
173 ts
=(struct tm
*)gmtime(&t
);
176 if ((p
== NULL
) || (s
->length
< 14))
179 if (p
== NULL
) return(NULL
);
182 s
->data
=(unsigned char *)p
;
185 sprintf(p
,"%02d%02d%02d%02d%02d%02dZ",ts
->tm_year
%100,
186 ts
->tm_mon
+1,ts
->tm_mday
,ts
->tm_hour
,ts
->tm_min
,ts
->tm_sec
);
188 s
->type
=V_ASN1_UTCTIME
;