X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fa_time.c;h=0d618873c76ce5745b7c4210af6c4d9a70f3b6aa;hp=edc4929c361c0512ec4c9eaff19a9939a51fb050;hb=5e4430e70df0020f5f1517249851696cb9ac4ad2;hpb=9d6b1ce6441c7cc6aed344f02d9f676ab5e04217

diff --git a/crypto/asn1/a_time.c b/crypto/asn1/a_time.c
index edc4929c36..0d618873c7 100644
--- a/crypto/asn1/a_time.c
+++ b/crypto/asn1/a_time.c
@@ -64,6 +64,7 @@
 #include <stdio.h>
 #include <time.h>
 #include "cryptlib.h"
+#include "o_time.h"
 #include <openssl/asn1t.h>
 
 IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
@@ -99,16 +100,77 @@ int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
 
 ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
 	{
+	return ASN1_TIME_adj(s, t, 0, 0);
+	}
+
+ASN1_TIME *ASN1_TIME_adj(ASN1_TIME *s, time_t t,
+				int offset_day, long offset_sec)
+	{
 	struct tm *ts;
-#if defined(THREADS) && !defined(WIN32) && !defined(__CYGWIN32__)
 	struct tm data;
 
-	gmtime_r(&t,&data);
-	ts=&data; /* should return &data, but doesn't on some systems, so we don't even look at the return value */
-#else
-	ts=gmtime(&t);
-#endif
+	ts=OPENSSL_gmtime(&t,&data);
+	if (ts == NULL)
+		{
+		ASN1err(ASN1_F_ASN1_TIME_SET, ASN1_R_ERROR_GETTING_TIME);
+		return NULL;
+		}
+	if (offset_day || offset_sec)
+		{ 
+		if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
+			return NULL;
+		}
 	if((ts->tm_year >= 50) && (ts->tm_year < 150))
-					return ASN1_UTCTIME_set(s, t);
-	return ASN1_GENERALIZEDTIME_set(s,t);
+			return ASN1_UTCTIME_adj(s, t, offset_day, offset_sec);
+	return ASN1_GENERALIZEDTIME_adj(s, t, offset_day, offset_sec);
+	}
+
+int ASN1_TIME_check(ASN1_TIME *t)
+	{
+	if (t->type == V_ASN1_GENERALIZEDTIME)
+		return ASN1_GENERALIZEDTIME_check(t);
+	else if (t->type == V_ASN1_UTCTIME)
+		return ASN1_UTCTIME_check(t);
+	return 0;
+	}
+
+/* Convert an ASN1_TIME structure to GeneralizedTime */
+ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t,
+						   ASN1_GENERALIZEDTIME **out)
+	{
+	ASN1_GENERALIZEDTIME *ret;
+	char *str;
+	size_t newlen;
+
+	if (!ASN1_TIME_check(t)) return NULL;
+
+	if (!out || !*out)
+		{
+		if (!(ret = ASN1_GENERALIZEDTIME_new ()))
+			return NULL;
+		if (out) *out = ret;
+		}
+	else ret = *out;
+
+	/* If already GeneralizedTime just copy across */
+	if (t->type == V_ASN1_GENERALIZEDTIME)
+		{
+		if(!ASN1_STRING_set(ret, t->data, t->length))
+			return NULL;
+		return ret;
+		}
+
+	/* grow the string */
+	if (!ASN1_STRING_set(ret, NULL, t->length + 2))
+		return NULL;
+	/* ASN1_STRING_set() allocated 'len + 1' bytes. */
+	newlen = t->length + 2 + 1;
+	str = (char *)ret->data;
+	/* Work out the century and prepend */
+	if (t->data[0] >= '5') BUF_strlcpy(str, "19", newlen);
+	else BUF_strlcpy(str, "20", newlen);
+
+	BUF_strlcat(str, (char *)t->data, newlen);
+
+	return ret;
 	}