From fc4a14f7ac7282984b5e8717c7aab27ec112719c Mon Sep 17 00:00:00 2001
From: Franz Auernigg <f.auernigg@commend.com>
Date: Thu, 1 Oct 2020 01:48:32 +0200
Subject: [PATCH 1/3] add component.mk to simplify esp32 usage

---
 component.mk | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100755 component.mk

diff --git a/component.mk b/component.mk
new file mode 100755
index 0000000..b530e56
--- /dev/null
+++ b/component.mk
@@ -0,0 +1,5 @@
+
+COMPONENT_ADD_INCLUDEDIRS :=  src/
+COMPONENT_SRCDIRS := src/
+COMPONENT_SRCDIRS += src/AsyncMqttClient
+COMPONENT_SRCDIRS += src/AsyncMqttClient/Packets

From 0c35ea688e979fe4a76f01d2c4ffe2020dfba59e Mon Sep 17 00:00:00 2001
From: Franz Auernigg <f.auernigg@commend.com>
Date: Thu, 1 Oct 2020 01:50:50 +0200
Subject: [PATCH 2/3] add esp32 tls support using AsyncTCP mbedtls branch

Verify server using setRootCa instead of using a fingerprint.
Use AsyncTCP mbedtls branch forked by fremouw
---
 src/AsyncMqttClient.cpp | 9 +++++++++
 src/AsyncMqttClient.hpp | 7 +++++++
 2 files changed, 16 insertions(+)

diff --git a/src/AsyncMqttClient.cpp b/src/AsyncMqttClient.cpp
index 8fa959d..38af3e3 100644
--- a/src/AsyncMqttClient.cpp
+++ b/src/AsyncMqttClient.cpp
@@ -118,7 +118,14 @@ AsyncMqttClient& AsyncMqttClient::addServerFingerprint(const uint8_t* fingerprin
   _secureServerFingerprints.push_back(newFingerprint);
   return *this;
 }
+#ifdef ESP32
+AsyncMqttClient& AsyncMqttClient::setRootCa(const char* rootca, const size_t len) {
+  _client.setRootCa(rootca, len);
+  return *this;
+}
 #endif
+#endif
+
 
 AsyncMqttClient& AsyncMqttClient::onConnect(AsyncMqttClientInternals::OnConnectUserCallback callback) {
   _onConnectUserCallbacks.push_back(callback);
@@ -178,6 +185,7 @@ void AsyncMqttClient::_onConnect(AsyncClient* client) {
   (void)client;
 
 #if ASYNC_TCP_SSL_ENABLED
+#ifndef ESP32
   if (_secure && _secureServerFingerprints.size() > 0) {
     SSL* clientSsl = _client.getSSL();
 
@@ -195,6 +203,7 @@ void AsyncMqttClient::_onConnect(AsyncClient* client) {
       return;
     }
   }
+#endif
 #endif
 
   char fixedHeader[5];
diff --git a/src/AsyncMqttClient.hpp b/src/AsyncMqttClient.hpp
index 4f41210..f06c7a3 100644
--- a/src/AsyncMqttClient.hpp
+++ b/src/AsyncMqttClient.hpp
@@ -15,7 +15,11 @@
 #endif
 
 #if ASYNC_TCP_SSL_ENABLED
+#ifdef ESP32
+#include <tcp_mbedtls.h>
+#else
 #include <tcp_axtls.h>
+#endif
 #define SHA1_SIZE 20
 #endif
 
@@ -62,6 +66,9 @@ class AsyncMqttClient {
 #if ASYNC_TCP_SSL_ENABLED
   AsyncMqttClient& setSecure(bool secure);
   AsyncMqttClient& addServerFingerprint(const uint8_t* fingerprint);
+#ifdef ESP32
+  AsyncMqttClient& setRootCa(const char* rootca, const size_t len);
+ #endif
 #endif
 
   AsyncMqttClient& onConnect(AsyncMqttClientInternals::OnConnectUserCallback callback);

From dd00c78cd0adc4709a5a662cbff70a613e325ea2 Mon Sep 17 00:00:00 2001
From: Franz Auernigg <f.auernigg@commend.com>
Date: Thu, 1 Oct 2020 01:53:10 +0200
Subject: [PATCH 3/3] fix compiler warning parsingInformation not initialized

---
 src/AsyncMqttClient.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/AsyncMqttClient.cpp b/src/AsyncMqttClient.cpp
index 38af3e3..86041d8 100644
--- a/src/AsyncMqttClient.cpp
+++ b/src/AsyncMqttClient.cpp
@@ -24,7 +24,13 @@ AsyncMqttClient::AsyncMqttClient()
 , _willPayloadLength(0)
 , _willQos(0)
 , _willRetain(false)
-, _parsingInformation { .bufferState = AsyncMqttClientInternals::BufferState::NONE }
+, _parsingInformation { .bufferState = AsyncMqttClientInternals::BufferState::NONE,
+  .maxTopicLength = 0,
+  .topicBuffer = NULL,
+  .packetType = 0,
+  .packetFlags = 0,
+  .remainingLength = 0
+  }
 , _currentParsedPacket(nullptr)
 , _remainingLengthBufferPosition(0)
 , _nextPacketId(1) {