Provide X509_NAME_get0_der().

From OpenSSL.

3 files changed, 17 insertions, 2 deletions

diff --git a/src/lib/libcrypto/Symbols.list b/src/lib/libcrypto/Symbols.list
index f446e08ea7..022176264e 100644
--- a/src/lib/libcrypto/Symbols.list
+++ b/src/lib/libcrypto/Symbols.list
@@ -2695,6 +2695,7 @@ X509_NAME_digest
 X509_NAME_dup
 X509_NAME_entry_count
 X509_NAME_free
+X509_NAME_get0_der
 X509_NAME_get_entry
 X509_NAME_get_index_by_NID
 X509_NAME_get_index_by_OBJ
diff --git a/src/lib/libcrypto/asn1/x_name.c b/src/lib/libcrypto/asn1/x_name.c
index 30fef39fb7..4bf184252f 100644
--- a/src/lib/libcrypto/asn1/x_name.c
+++ b/src/lib/libcrypto/asn1/x_name.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: x_name.c,v 1.33 2017/01/29 17:49:22 beck Exp $ */
+/* $OpenBSD: x_name.c,v 1.34 2018/02/20 17:09:20 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -640,3 +640,16 @@ X509_NAME_set(X509_NAME **xn, X509_NAME *name)
         }
         return (*xn != NULL);
 }
+
+int
+X509_NAME_get0_der(X509_NAME *nm, const unsigned char **pder, size_t *pderlen)
+{
+        /* Make sure encoding is valid. */
+        if (i2d_X509_NAME(nm, NULL) <= 0)
+                return 0;
+        if (pder != NULL)
+                *pder = (unsigned char *)nm->bytes->data;
+        if (pderlen != NULL)
+                *pderlen = nm->bytes->length;
+        return 1;
+}
diff --git a/src/lib/libcrypto/x509/x509.h b/src/lib/libcrypto/x509/x509.h
index 26e71ee40e..6f0f5f4dec 100644
--- a/src/lib/libcrypto/x509/x509.h
+++ b/src/lib/libcrypto/x509/x509.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509.h,v 1.31 2018/02/20 17:06:19 jsing Exp $ */
+/* $OpenBSD: x509.h,v 1.32 2018/02/20 17:09:20 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -758,6 +758,7 @@ void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md);
 int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b);
 
 X509_NAME *X509_NAME_dup(X509_NAME *xn);
+int X509_NAME_get0_der(X509_NAME *nm, const unsigned char **pder, size_t *pderlen);
 X509_NAME_ENTRY *X509_NAME_ENTRY_dup(X509_NAME_ENTRY *ne);
 
 int             X509_cmp_time(const ASN1_TIME *s, time_t *t);