From 5ea38b059e0badc0aff99f0c3d42ce0787ce3c07 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Thu, 7 Apr 2022 11:10:03 -0700
Subject: [PATCH] For improved compatibility populate the extension value for
 `NID_subject_alt_name`.

---
 src/x509.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/x509.c b/src/x509.c
index 86d79f876..1f7bdc335 100644
--- a/src/x509.c
+++ b/src/x509.c
@@ -2377,8 +2377,18 @@ static WOLFSSL_X509_EXTENSION* createExtFromStr(int nid, const char *value)
             break;
         case NID_subject_alt_name:
         {
-            WOLFSSL_GENERAL_NAMES* gns = wolfSSL_sk_new_null();
+            WOLFSSL_GENERAL_NAMES* gns;
             WOLFSSL_GENERAL_NAME* gn;
+
+            if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1)
+                    != WOLFSSL_SUCCESS) {
+                WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error");
+                goto err_cleanup;
+            }
+            ext->value.type = ASN_DNS_TYPE;
+
+            /* add stack of general names */
+            gns = wolfSSL_sk_new_null();
             if (gns == NULL) {
                 WOLFSSL_MSG("wolfSSL_sk_new_null error");
                 goto err_cleanup;