Add ASN1_TIME_set_tm to set an asn1 from a struct tm *

ok jsing@

2 files changed, 13 insertions, 2 deletions

diff --git a/src/lib/libcrypto/asn1/a_time_tm.c b/src/lib/libcrypto/asn1/a_time_tm.c
index b2f65045b5..f0afc00be4 100644
--- a/src/lib/libcrypto/asn1/a_time_tm.c
+++ b/src/lib/libcrypto/asn1/a_time_tm.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: a_time_tm.c,v 1.11 2017/01/29 17:49:22 beck Exp $ */
+/* $OpenBSD: a_time_tm.c,v 1.12 2017/05/06 17:12:59 beck Exp $ */
 /*
  * Copyright (c) 2015 Bob Beck <beck@openbsd.org>
  *
@@ -304,6 +304,16 @@ ASN1_TIME_set(ASN1_TIME *s, time_t t)
 }
 
 ASN1_TIME *
+ASN1_TIME_set_tm(ASN1_TIME *s, struct tm *tm)
+{
+        time_t t;
+
+        if ((t = timegm(tm)) == -1)
+                return NULL;
+        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)
 {
         return (ASN1_TIME_adj_internal(s, t, offset_day, offset_sec, RFC5280));
diff --git a/src/lib/libcrypto/asn1/asn1.h b/src/lib/libcrypto/asn1/asn1.h
index e35c865e1f..da16d5c529 100644
--- a/src/lib/libcrypto/asn1/asn1.h
+++ b/src/lib/libcrypto/asn1/asn1.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: asn1.h,v 1.42 2016/12/30 16:29:45 jsing Exp $ */
+/* $OpenBSD: asn1.h,v 1.43 2017/05/06 17:12:59 beck Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -939,6 +939,7 @@ extern const ASN1_ITEM ASN1_TIME_it;
 extern const ASN1_ITEM ASN1_OCTET_STRING_NDEF_it;
 
 ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t);
+ASN1_TIME *ASN1_TIME_set_tm(ASN1_TIME *s, struct tm *tm);
 ASN1_TIME *ASN1_TIME_adj(ASN1_TIME *s, time_t t, int offset_day,
     long offset_sec);
 int ASN1_TIME_check(ASN1_TIME *t);