From 4790a614375581cc19c11b3ed35cf62bb2b5c428 Mon Sep 17 00:00:00 2001
From: Dmitry Podgorny <pasis.ua@gmail.com>
Date: Tue, 23 Mar 2021 02:07:00 +0200
Subject: [PATCH] tls/openssl: fix openssl-0.9.8 support

0.9.8 doesn't implement GENERAL_NAME_get0_otherName().
---
 src/tls_openssl.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/tls_openssl.c b/src/tls_openssl.c
index 8f5fb00..b77b5ba 100644
--- a/src/tls_openssl.c
+++ b/src/tls_openssl.c
@@ -54,6 +54,21 @@ static const unsigned char *ASN1_STRING_get0_data(ASN1_STRING *asn1)
 }
 #endif
 
+#if OPENSSL_VERSION_NUMBER < 0x10000000L
+static int GENERAL_NAME_get0_otherName(const GENERAL_NAME *gen,
+                                       ASN1_OBJECT **poid,
+                                       ASN1_TYPE **pvalue)
+{
+    if (gen->type != GEN_OTHERNAME)
+        return 0;
+    if (poid)
+        *poid = gen->d.otherName->type_id;
+    if (pvalue)
+        *pvalue = gen->d.otherName->value;
+    return 1;
+}
+#endif
+
 struct _tls {
     xmpp_ctx_t *ctx;
     sock_t sock;