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			98 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
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|  *
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|  * Licensed under the OpenSSL license (the "License").  You may not use
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|  * this file except in compliance with the License.  You can obtain a copy
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|  * in the file LICENSE in the source distribution or at
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|  * https://www.openssl.org/source/license.html
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|  */
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| 
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| #include <stdio.h>
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| #include <time.h>
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| #include "internal/cryptlib.h"
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| #include <openssl/asn1.h>
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| #include "asn1_locl.h"
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| 
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| /* This is the primary function used to parse ASN1_UTCTIME */
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| int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
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| {
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|     /* wrapper around ans1_time_to_tm */
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|     if (d->type != V_ASN1_UTCTIME)
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|         return 0;
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|     return asn1_time_to_tm(tm, d);
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| }
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| 
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| int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
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| {
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|     return asn1_utctime_to_tm(NULL, d);
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| }
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| 
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| /* Sets the string via simple copy without cleaning it up */
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| int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
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| {
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|     ASN1_UTCTIME t;
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| 
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|     t.type = V_ASN1_UTCTIME;
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|     t.length = strlen(str);
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|     t.data = (unsigned char *)str;
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|     t.flags = 0;
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| 
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|     if (!ASN1_UTCTIME_check(&t))
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|         return 0;
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| 
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|     if (s != NULL && !ASN1_STRING_copy(s, &t))
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|         return 0;
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| 
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|     return 1;
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| }
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| 
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| ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
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| {
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|     return ASN1_UTCTIME_adj(s, t, 0, 0);
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| }
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| 
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| ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
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|                                int offset_day, long offset_sec)
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| {
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|     struct tm *ts;
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|     struct tm data;
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| 
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|     ts = OPENSSL_gmtime(&t, &data);
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|     if (ts == NULL)
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|         return NULL;
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| 
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|     if (offset_day || offset_sec) {
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|         if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
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|             return NULL;
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|     }
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| 
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|     return asn1_time_from_tm(s, ts, V_ASN1_UTCTIME);
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| }
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| 
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| int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
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| {
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|     struct tm stm, ttm;
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|     int day, sec;
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| 
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|     if (!asn1_utctime_to_tm(&stm, s))
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|         return -2;
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| 
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|     if (OPENSSL_gmtime(&t, &ttm) == NULL)
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|         return -2;
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| 
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|     if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm))
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|         return -2;
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| 
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|     if (day > 0 || sec > 0)
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|         return 1;
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|     if (day < 0 || sec < 0)
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|         return -1;
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|     return 0;
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| }
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| 
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| int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
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| {
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|     if (tm->type != V_ASN1_UTCTIME)
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|         return 0;
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|     return ASN1_TIME_print(bp, tm);
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| }
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