gentoo-overlay/net-vpn/openvpn/files/openvpn-2.4.0-fix-libressl.patch

diff --git a/src/openvpn/ssl_openssl.c b/src/openvpn/ssl_openssl.c
index 8266595..a889332 100644
--- a/src/openvpn/ssl_openssl.c
+++ b/src/openvpn/ssl_openssl.c
@@ -508,10 +508,13 @@ tls_ctx_load_ecdh_params(struct tls_root_ctx *ctx, const char *curve_name
         const EC_GROUP *ecgrp = NULL;
         EVP_PKEY *pkey = NULL;

-        /* Little hack to get private key ref from SSL_CTX, yay OpenSSL... */
-        SSL ssl;
-        ssl.cert = ctx->ctx->cert;
-        pkey = SSL_get_privatekey(&ssl);
+        SSL *ssl = SSL_new(ctx->ctx);
+        if (!ssl)
+        {
+            crypto_msg(M_FATAL, "SSL_new failed");
+        }
+        pkey = SSL_get_privatekey(ssl);
+        SSL_free(ssl);

         msg(D_TLS_DEBUG, "Extracting ECDH curve from private key");