[thirdparty/openssl.git] / crypto / asn1 / a_utctm.c

/* crypto/asn1/a_utctm.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <time.h>
#include "cryptlib.h"
#include <openssl/asn1.h>
#include "asn1_locl.h"

#if 0
int i2d_ASN1_UTCTIME(ASN1_UTCTIME *a, unsigned char **pp)
	{
#ifndef CHARSET_EBCDIC
	return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
		V_ASN1_UTCTIME,V_ASN1_UNIVERSAL));
#else
	/* KLUDGE! We convert to ascii before writing DER */
	int len;
	char tmp[24];
	ASN1_STRING x = *(ASN1_STRING *)a;

	len = x.length;
	ebcdic2ascii(tmp, x.data, (len >= sizeof tmp) ? sizeof tmp : len);
	x.data = tmp;
	return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME,V_ASN1_UNIVERSAL);
#endif
	}


ASN1_UTCTIME *d2i_ASN1_UTCTIME(ASN1_UTCTIME **a, unsigned char **pp,
	     long length)
	{
	ASN1_UTCTIME *ret=NULL;

	ret=(ASN1_UTCTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length,
		V_ASN1_UTCTIME,V_ASN1_UNIVERSAL);
	if (ret == NULL)
		{
		ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ERR_R_NESTED_ASN1_ERROR);
		return(NULL);
		}
#ifdef CHARSET_EBCDIC
	ascii2ebcdic(ret->data, ret->data, ret->length);
#endif
	if (!ASN1_UTCTIME_check(ret))
		{
		ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_INVALID_TIME_FORMAT);
		goto err;
		}

	return(ret);
err:
	if ((ret != NULL) && ((a == NULL) || (*a != ret)))
		M_ASN1_UTCTIME_free(ret);
	return(NULL);
	}

#endif

int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
	{
	static const int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0};
	static const int max[8]={99,12,31,23,59,59,12,59};
	char *a;
	int n,i,l,o;

	if (d->type != V_ASN1_UTCTIME) return(0);
	l=d->length;
	a=(char *)d->data;
	o=0;

	if (l < 11) goto err;
	for (i=0; i<6; i++)
		{
		if ((i == 5) && ((a[o] == 'Z') ||
			(a[o] == '+') || (a[o] == '-')))
			{
			i++;
			if (tm)
				tm->tm_sec = 0;
			break;
			}
		if ((a[o] < '0') || (a[o] > '9')) goto err;
		n= a[o]-'0';
		if (++o > l) goto err;

		if ((a[o] < '0') || (a[o] > '9')) goto err;
		n=(n*10)+ a[o]-'0';
		if (++o > l) goto err;

		if ((n < min[i]) || (n > max[i])) goto err;
		if (tm)
			{
			switch(i)
				{
			case 0:
				tm->tm_year = n < 50 ? n + 100 : n;
				break;
			case 1:
				tm->tm_mon = n - 1;
				break;
			case 2:
				tm->tm_mday = n;
				break;
			case 3:
				tm->tm_hour = n;
				break;
			case 4:
				tm->tm_min = n;
				break;
			case 5:
				tm->tm_sec = n;
				break;
				}
			}
		}
	if (a[o] == 'Z')
		o++;
	else if ((a[o] == '+') || (a[o] == '-'))
		{
		int offsign = a[o] == '-' ? -1 : 1, offset = 0;
		o++;
		if (o+4 > l) goto err;
		for (i=6; i<8; i++)
			{
			if ((a[o] < '0') || (a[o] > '9')) goto err;
			n= a[o]-'0';
			o++;
			if ((a[o] < '0') || (a[o] > '9')) goto err;
			n=(n*10)+ a[o]-'0';
			if ((n < min[i]) || (n > max[i])) goto err;
			if (tm)
				{
				if (i == 6)
					offset = n * 3600;
				else if (i == 7)
					offset += n * 60;
				}
			o++;
			}
		if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
			return 0;
		}
	return o == l;
err:
	return 0;
	}

int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
	{
	return asn1_utctime_to_tm(NULL, d);
	}

int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
	{
	ASN1_UTCTIME t;

	t.type=V_ASN1_UTCTIME;
	t.length=strlen(str);
	t.data=(unsigned char *)str;
	if (ASN1_UTCTIME_check(&t))
		{
		if (s != NULL)
			{
			if (!ASN1_STRING_set((ASN1_STRING *)s,
				(unsigned char *)str,t.length))
				return 0;
			s->type = V_ASN1_UTCTIME;
			}
		return(1);
		}
	else
		return(0);
	}

ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
	{
	return ASN1_UTCTIME_adj(s, t, 0, 0);
	}

ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
				int offset_day, long offset_sec)
	{
	char *p;
	struct tm *ts;
	struct tm data;
	size_t len = 20;
	int free_s = 0;

	if (s == NULL)
		{
		free_s = 1;
		s=M_ASN1_UTCTIME_new();
		}
	if (s == NULL)
		goto err;


	ts=OPENSSL_gmtime(&t, &data);
	if (ts == NULL)
		goto err;

	if (offset_day || offset_sec)
		{ 
		if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
			goto err;
		}

	if((ts->tm_year < 50) || (ts->tm_year >= 150))
		goto err;

	p=(char *)s->data;
	if ((p == NULL) || ((size_t)s->length < len))
		{
		p=OPENSSL_malloc(len);
		if (p == NULL)
			{
			ASN1err(ASN1_F_ASN1_UTCTIME_ADJ,ERR_R_MALLOC_FAILURE);
			goto err;
			}
		if (s->data != NULL)
			OPENSSL_free(s->data);
		s->data=(unsigned char *)p;
		}

	BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
		     ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
	s->length=strlen(p);
	s->type=V_ASN1_UTCTIME;
#ifdef CHARSET_EBCDIC_not
	ebcdic2ascii(s->data, s->data, s->length);
#endif
	return(s);
	err:
	if (free_s && s)
		M_ASN1_UTCTIME_free(s);
	return NULL;
	}


int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
	{
	struct tm stm, ttm;
	int day, sec;

	if (!asn1_utctime_to_tm(&stm, s))
		return -2;

	if (!OPENSSL_gmtime(&t, &ttm))
		return -2;

	if (!OPENSSL_gmtime_diff(&day, &sec, &stm, &ttm))
		return -2;

	if (day > 0)
		return 1;
	if (day < 0)
		return -1;
	if (sec > 0)
		return 1;
	if (sec < 0)
		return -1;
	return 0;
	}


#if 0
time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s)
	{
	struct tm tm;
	int offset;

	memset(&tm,'\0',sizeof tm);

#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0')
	tm.tm_year=g2(s->data);
	if(tm.tm_year < 50)
		tm.tm_year+=100;
	tm.tm_mon=g2(s->data+2)-1;
	tm.tm_mday=g2(s->data+4);
	tm.tm_hour=g2(s->data+6);
	tm.tm_min=g2(s->data+8);
	tm.tm_sec=g2(s->data+10);
	if(s->data[12] == 'Z')
		offset=0;
	else
		{
		offset=g2(s->data+13)*60+g2(s->data+15);
		if(s->data[12] == '-')
			offset= -offset;
		}
#undef g2

	return mktime(&tm)-offset*60; /* FIXME: mktime assumes the current timezone
	                               * instead of UTC, and unless we rewrite OpenSSL
				       * in Lisp we cannot locally change the timezone
				       * without possibly interfering with other parts
	                               * of the program. timegm, which uses UTC, is
				       * non-standard.
	                               * Also time_t is inappropriate for general
	                               * UTC times because it may a 32 bit type. */
	}
#endif
Commit	Line	Data
d02b48c6	1	/* crypto/asn1/a_utctm.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	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.
	8	*
	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).
	15	*
	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.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	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)"
	40	*
	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
	51	* SUCH DAMAGE.
	52	*
	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.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include <time.h>
7ab1a391 RL	61	#include "cryptlib.h"
7ab1a391 RL	62	#include <openssl/asn1.h>
1c455bc0	63	#include "asn1_locl.h"
d02b48c6	64
9d6b1ce6	65	#if 0
6b691a5c	66	int i2d_ASN1_UTCTIME(ASN1_UTCTIME a, unsigned char *pp)
d02b48c6	67	{
a53955d8	68	#ifndef CHARSET_EBCDIC
d02b48c6 RE	69	return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
d02b48c6 RE	70	V_ASN1_UTCTIME,V_ASN1_UNIVERSAL));
a53955d8 UM	71	#else
	72	/* KLUDGE! We convert to ascii before writing DER */
	73	int len;
	74	char tmp[24];
	75	ASN1_STRING x = (ASN1_STRING )a;
	76
	77	len = x.length;
	78	ebcdic2ascii(tmp, x.data, (len >= sizeof tmp) ? sizeof tmp : len);
	79	x.data = tmp;
	80	return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME,V_ASN1_UNIVERSAL);
	81	#endif
d02b48c6 RE	82	}
	83
	84
6b691a5c UM	85	ASN1_UTCTIME d2i_ASN1_UTCTIME(ASN1_UTCTIME a, unsigned char *pp,
6b691a5c UM	86	long length)
d02b48c6 RE	87	{
	88	ASN1_UTCTIME *ret=NULL;
	89
	90	ret=(ASN1_UTCTIME )d2i_ASN1_bytes((ASN1_STRING *)a,pp,length,
	91	V_ASN1_UTCTIME,V_ASN1_UNIVERSAL);
	92	if (ret == NULL)
	93	{
dfeab068	94	ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ERR_R_NESTED_ASN1_ERROR);
d02b48c6 RE	95	return(NULL);
d02b48c6 RE	96	}
a53955d8 UM	97	#ifdef CHARSET_EBCDIC
	98	ascii2ebcdic(ret->data, ret->data, ret->length);
	99	#endif
d02b48c6 RE	100	if (!ASN1_UTCTIME_check(ret))
	101	{
	102	ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_INVALID_TIME_FORMAT);
	103	goto err;
	104	}
	105
	106	return(ret);
	107	err:
	108	if ((ret != NULL) && ((a == NULL) \|\| (*a != ret)))
08e9c1af	109	M_ASN1_UTCTIME_free(ret);
d02b48c6 RE	110	return(NULL);
d02b48c6 RE	111	}
9d6b1ce6 DSH	112
9d6b1ce6 DSH	113	#endif
d02b48c6	114
1c455bc0	115	int asn1_utctime_to_tm(struct tm tm, const ASN1_UTCTIME d)
d02b48c6	116	{
ebc06fba AP	117	static const int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0};
ebc06fba AP	118	static const int max[8]={99,12,31,23,59,59,12,59};
d02b48c6 RE	119	char *a;
	120	int n,i,l,o;
	121
	122	if (d->type != V_ASN1_UTCTIME) return(0);
	123	l=d->length;
	124	a=(char *)d->data;
	125	o=0;
	126
	127	if (l < 11) goto err;
	128	for (i=0; i<6; i++)
	129	{
	130	if ((i == 5) && ((a[o] == 'Z') \|\|
	131	(a[o] == '+') \|\| (a[o] == '-')))
1c455bc0 DSH	132	{
	133	i++;
	134	if (tm)
	135	tm->tm_sec = 0;
	136	break;
	137	}
d02b48c6 RE	138	if ((a[o] < '0') \|\| (a[o] > '9')) goto err;
	139	n= a[o]-'0';
	140	if (++o > l) goto err;
	141
	142	if ((a[o] < '0') \|\| (a[o] > '9')) goto err;
	143	n=(n*10)+ a[o]-'0';
	144	if (++o > l) goto err;
	145
	146	if ((n < min[i]) \|\| (n > max[i])) goto err;
1c455bc0 DSH	147	if (tm)
	148	{
	149	switch(i)
	150	{
	151	case 0:
	152	tm->tm_year = n < 50 ? n + 100 : n;
	153	break;
	154	case 1:
	155	tm->tm_mon = n - 1;
	156	break;
	157	case 2:
	158	tm->tm_mday = n;
	159	break;
	160	case 3:
	161	tm->tm_hour = n;
	162	break;
	163	case 4:
	164	tm->tm_min = n;
	165	break;
	166	case 5:
	167	tm->tm_sec = n;
	168	break;
	169	}
	170	}
d02b48c6 RE	171	}
	172	if (a[o] == 'Z')
	173	o++;
	174	else if ((a[o] == '+') \|\| (a[o] == '-'))
	175	{
1c455bc0	176	int offsign = a[o] == '-' ? -1 : 1, offset = 0;
d02b48c6 RE	177	o++;
	178	if (o+4 > l) goto err;
	179	for (i=6; i<8; i++)
	180	{
	181	if ((a[o] < '0') \|\| (a[o] > '9')) goto err;
	182	n= a[o]-'0';
	183	o++;
	184	if ((a[o] < '0') \|\| (a[o] > '9')) goto err;
	185	n=(n*10)+ a[o]-'0';
	186	if ((n < min[i]) \|\| (n > max[i])) goto err;
1c455bc0 DSH	187	if (tm)
	188	{
	189	if (i == 6)
	190	offset = n * 3600;
	191	else if (i == 7)
	192	offset += n * 60;
	193	}
d02b48c6 RE	194	o++;
d02b48c6 RE	195	}
1c455bc0 DSH	196	if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
1c455bc0 DSH	197	return 0;
d02b48c6	198	}
1c455bc0	199	return o == l;
d02b48c6	200	err:
1c455bc0 DSH	201	return 0;
	202	}
	203
	204	int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
	205	{
	206	return asn1_utctime_to_tm(NULL, d);
d02b48c6 RE	207	}
d02b48c6 RE	208
875a644a	209	int ASN1_UTCTIME_set_string(ASN1_UTCTIME s, const char str)
58964a49 RE	210	{
	211	ASN1_UTCTIME t;
	212
	213	t.type=V_ASN1_UTCTIME;
	214	t.length=strlen(str);
	215	t.data=(unsigned char *)str;
	216	if (ASN1_UTCTIME_check(&t))
	217	{
	218	if (s != NULL)
	219	{
a0e7c8ee DSH	220	if (!ASN1_STRING_set((ASN1_STRING *)s,
	221	(unsigned char *)str,t.length))
	222	return 0;
ccb08f98	223	s->type = V_ASN1_UTCTIME;
58964a49 RE	224	}
	225	return(1);
	226	}
	227	else
	228	return(0);
	229	}
	230
6b691a5c	231	ASN1_UTCTIME ASN1_UTCTIME_set(ASN1_UTCTIME s, time_t t)
d02b48c6	232	{
87d3a0cd DSH	233	return ASN1_UTCTIME_adj(s, t, 0, 0);
	234	}
	235
	236	ASN1_UTCTIME ASN1_UTCTIME_adj(ASN1_UTCTIME s, time_t t,
	237	int offset_day, long offset_sec)
	238	{
d02b48c6 RE	239	char *p;
d02b48c6 RE	240	struct tm *ts;
d02b48c6	241	struct tm data;
d420ac2c	242	size_t len = 20;
d2aea038	243	int free_s = 0;
d02b48c6 RE	244
d02b48c6 RE	245	if (s == NULL)
d2aea038 DSH	246	{
d2aea038 DSH	247	free_s = 1;
08e9c1af	248	s=M_ASN1_UTCTIME_new();
d2aea038	249	}
d02b48c6	250	if (s == NULL)
d2aea038 DSH	251	goto err;
d2aea038 DSH	252
d02b48c6	253
b8e35bd6	254	ts=OPENSSL_gmtime(&t, &data);
7d7d2cbc	255	if (ts == NULL)
d2aea038	256	goto err;
7d7d2cbc	257
87d3a0cd DSH	258	if (offset_day \|\| offset_sec)
	259	{
	260	if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
d2aea038	261	goto err;
87d3a0cd DSH	262	}
	263
	264	if((ts->tm_year < 50) \|\| (ts->tm_year >= 150))
d2aea038	265	goto err;
87d3a0cd	266
d02b48c6	267	p=(char *)s->data;
87203dc9	268	if ((p == NULL) \|\| ((size_t)s->length < len))
d02b48c6	269	{
d420ac2c	270	p=OPENSSL_malloc(len);
a0e7c8ee DSH	271	if (p == NULL)
a0e7c8ee DSH	272	{
220bd849	273	ASN1err(ASN1_F_ASN1_UTCTIME_ADJ,ERR_R_MALLOC_FAILURE);
d2aea038	274	goto err;
a0e7c8ee	275	}
d02b48c6	276	if (s->data != NULL)
26a3a48d	277	OPENSSL_free(s->data);
d02b48c6 RE	278	s->data=(unsigned char *)p;
	279	}
	280
d420ac2c RL	281	BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
d420ac2c RL	282	ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
d02b48c6 RE	283	s->length=strlen(p);
d02b48c6 RE	284	s->type=V_ASN1_UTCTIME;
a53955d8 UM	285	#ifdef CHARSET_EBCDIC_not
	286	ebcdic2ascii(s->data, s->data, s->length);
	287	#endif
d02b48c6	288	return(s);
d2aea038 DSH	289	err:
	290	if (free_s && s)
	291	M_ASN1_UTCTIME_free(s);
	292	return NULL;
d02b48c6	293	}
fd73a212	294
61f175f4 BM	295
	296	int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
	297	{
46a6cec6 DSH	298	struct tm stm, ttm;
	299	int day, sec;
	300
	301	if (!asn1_utctime_to_tm(&stm, s))
	302	return -2;
	303
	304	if (!OPENSSL_gmtime(&t, &ttm))
	305	return -2;
	306
	307	if (!OPENSSL_gmtime_diff(&day, &sec, &stm, &ttm))
	308	return -2;
	309
	310	if (day > 0)
	311	return 1;
	312	if (day < 0)
	313	return -1;
	314	if (sec > 0)
	315	return 1;
	316	if (sec < 0)
	317	return -1;
61f175f4 BM	318	return 0;
	319	}
	320
	321
	322	#if 0
fd73a212	323	time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s)
5569e1c3 BM	324	{
	325	struct tm tm;
	326	int offset;
fd73a212	327
5569e1c3	328	memset(&tm,'\0',sizeof tm);
fd73a212 BL	329
fd73a212 BL	330	#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0')
5569e1c3 BM	331	tm.tm_year=g2(s->data);
	332	if(tm.tm_year < 50)
	333	tm.tm_year+=100;
	334	tm.tm_mon=g2(s->data+2)-1;
	335	tm.tm_mday=g2(s->data+4);
	336	tm.tm_hour=g2(s->data+6);
	337	tm.tm_min=g2(s->data+8);
	338	tm.tm_sec=g2(s->data+10);
	339	if(s->data[12] == 'Z')
	340	offset=0;
	341	else
	342	{
	343	offset=g2(s->data+13)*60+g2(s->data+15);
	344	if(s->data[12] == '-')
	345	offset= -offset;
	346	}
fd73a212 BL	347	#undef g2
fd73a212 BL	348
939fff67 BM	349	return mktime(&tm)-offset60; / FIXME: mktime assumes the current timezone
	350	* instead of UTC, and unless we rewrite OpenSSL
	351	* in Lisp we cannot locally change the timezone
	352	* without possibly interfering with other parts
	353	* of the program. timegm, which uses UTC, is
	354	* non-standard.
	355	* Also time_t is inappropriate for general
	356	* UTC times because it may a 32 bit type. */
5569e1c3	357	}
61f175f4	358	#endif