From ee5f9fb77b5660f1bcbf9f79af1484ac20035923 Mon Sep 17 00:00:00 2001
From: Dmitry Podgorny <pasis.ua@gmail.com>
Date: Tue, 23 Mar 2021 02:08:22 +0200
Subject: [PATCH] tls/openssl: fix openssl-3.0.0 support

3.0.0 includes the "id-on-xmppAddr" object and OBJ_create() returns
NID_undef if we try to create a new one.
---
 src/tls_openssl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tls_openssl.c b/src/tls_openssl.c
index b77b5ba..2345b45 100644
--- a/src/tls_openssl.c
+++ b/src/tls_openssl.c
@@ -632,6 +632,9 @@ static X509 *_tls_cert_read(xmpp_conn_t *conn)
 static int _tls_xaddr_nid(void)
 {
     static int xaddr_nid = NID_undef;
+    if (xaddr_nid == NID_undef) {
+        xaddr_nid = OBJ_sn2nid("id-on-xmppAddr");
+    }
     if (xaddr_nid == NID_undef) {
         xaddr_nid = OBJ_create("1.3.6.1.5.5.7.8.5", "id-on-xmppAddr",
                                "XmppAddr Identifier");