From 85ea4e995a75abe061f6fc375ea0481084dddd43 Mon Sep 17 00:00:00 2001
From: schererleander <leander@schererleander.de>
Date: Tue, 20 Jan 2026 08:34:54 +0100
Subject: initial commit

---
 libraries/ESPAsyncTCP/src/tcp_axtls.h | 98 +++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 libraries/ESPAsyncTCP/src/tcp_axtls.h

(limited to 'libraries/ESPAsyncTCP/src/tcp_axtls.h')

diff --git a/libraries/ESPAsyncTCP/src/tcp_axtls.h b/libraries/ESPAsyncTCP/src/tcp_axtls.h
new file mode 100644
index 0000000..118e36f
--- /dev/null
+++ b/libraries/ESPAsyncTCP/src/tcp_axtls.h
@@ -0,0 +1,98 @@
+/*
+  Asynchronous TCP library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+/*
+ * Compatibility for AxTLS with LWIP raw tcp mode (http://lwip.wikia.com/wiki/Raw/TCP)
+ * Original Code and Inspiration: Slavey Karadzhov
+ */
+
+#ifndef LWIPR_COMPAT_H
+#define LWIPR_COMPAT_H
+
+#include <async_config.h>
+
+#if ASYNC_TCP_SSL_ENABLED
+
+#include "lwipopts.h"
+/*
+ * All those functions will run only if LWIP tcp raw mode is used
+ */
+#if LWIP_RAW==1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdbool.h>
+#include "include/ssl.h"
+
+#define ERR_TCP_SSL_INVALID_SSL           -101
+#define ERR_TCP_SSL_INVALID_TCP           -102
+#define ERR_TCP_SSL_INVALID_CLIENTFD      -103
+#define ERR_TCP_SSL_INVALID_CLIENTFD_DATA -104
+#define ERR_TCP_SSL_INVALID_DATA          -105
+
+#define TCP_SSL_TYPE_CLIENT 0
+#define TCP_SSL_TYPE_SERVER 1
+
+#define tcp_ssl_ssl_write(A, B, C) tcp_ssl_write(A, B, C)
+#define tcp_ssl_ssl_read(A, B) tcp_ssl_read(A, B)
+
+typedef void (* tcp_ssl_data_cb_t)(void *arg, struct tcp_pcb *tcp, uint8_t * data, size_t len);
+typedef void (* tcp_ssl_handshake_cb_t)(void *arg, struct tcp_pcb *tcp, SSL *ssl);
+typedef void (* tcp_ssl_error_cb_t)(void *arg, struct tcp_pcb *tcp, int8_t error);
+typedef int (* tcp_ssl_file_cb_t)(void *arg, const char *filename, uint8_t **buf);
+
+uint8_t tcp_ssl_has_client();
+
+int tcp_ssl_new_client(struct tcp_pcb *tcp);
+
+SSL_CTX * tcp_ssl_new_server_ctx(const char *cert, const char *private_key_file, const char *password);
+int tcp_ssl_new_server(struct tcp_pcb *tcp, SSL_CTX* ssl_ctx);
+int tcp_ssl_is_server(struct tcp_pcb *tcp);
+
+int tcp_ssl_free(struct tcp_pcb *tcp);
+int tcp_ssl_read(struct tcp_pcb *tcp, struct pbuf *p);
+
+#ifdef AXTLS_2_0_0_SNDBUF
+int tcp_ssl_sndbuf(struct tcp_pcb *tcp);
+#endif
+
+int tcp_ssl_write(struct tcp_pcb *tcp, uint8_t *data, size_t len);
+
+void tcp_ssl_file(tcp_ssl_file_cb_t cb, void * arg);
+
+void tcp_ssl_arg(struct tcp_pcb *tcp, void * arg);
+void tcp_ssl_data(struct tcp_pcb *tcp, tcp_ssl_data_cb_t arg);
+void tcp_ssl_handshake(struct tcp_pcb *tcp, tcp_ssl_handshake_cb_t arg);
+void tcp_ssl_err(struct tcp_pcb *tcp, tcp_ssl_error_cb_t arg);
+
+SSL * tcp_ssl_get_ssl(struct tcp_pcb *tcp);
+bool tcp_ssl_has(struct tcp_pcb *tcp);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_RAW==1 */
+
+#endif /* ASYNC_TCP_SSL_ENABLED */
+
+#endif /* LWIPR_COMPAT_H */
-- 
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