remove AWS_CERT_CRT, add check for heap into handler

arduino/libraries/WiFi/src/WiFiSSLClient.cpp

@@ -55,28 +55,6 @@ WiFiSSLClient::WiFiSSLClient() :
 int WiFiSSLClient::connect(const char* host, uint16_t port)
 {
   ets_printf("** Connect Called");
-  // Hardcode CERT
-  const char AWS_CERT_CRT[] = "-----BEGIN CERTIFICATE-----\n" \
-"MIIDWTCCAkGgAwIBAgIUHi7YIHwvdKnUKTKE4MzqaVvVW7QwDQYJKoZIhvcNAQEL\n" \
-"BQAwTTFLMEkGA1UECwxCQW1hem9uIFdlYiBTZXJ2aWNlcyBPPUFtYXpvbi5jb20g\n" \
-"SW5jLiBMPVNlYXR0bGUgU1Q9V2FzaGluZ3RvbiBDPVVTMB4XDTE5MDkyNTE2NDA1\n" \
-"NVoXDTQ5MTIzMTIzNTk1OVowHjEcMBoGA1UEAwwTQVdTIElvVCBDZXJ0aWZpY2F0\n" \
-"ZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMygEW9cO1ZXQY4Fo3PY\n" \
-"vBGV6WHwJYKIOd5iTZ4MQmkYNqn9q2YnuXEwYJ+sw6QxSYyZ9O8yniZfviggJ2Dg\n" \
-"GdTGKIbSK7B/C3w6cLnwPNsKbA2xsxnQU3yoQ99noaue4kG+WL7a5SHJHwzcFpT4\n" \
-"tVffsUlFtI9fTyGg75+0X4OJiKtzPhpVrCDesKDl0wLewqqgfxasgXWk3bLGCcBy\n" \
-"7YPEM2x0lp6644xz0jkJ/3KO09+AuFG54K+zv7UZOi4Tph8eiKnI2/2sM58yC233\n" \
-"pCnB8gtxCegvJJ1ByM5SR3Zw5C1hq6cgN5ePv1fQ7QqOnIHygc0gDp8/nw5gnH8P\n" \
-"3LcCAwEAAaNgMF4wHwYDVR0jBBgwFoAU1YI5dEJDKJgyKP6e/lSezmki1tUwHQYD\n" \
-"VR0OBBYEFDTH23PCBu1Pw4xdOR3rY3Pcueh4MAwGA1UdEwEB/wQCMAAwDgYDVR0P\n" \
-"AQH/BAQDAgeAMA0GCSqGSIb3DQEBCwUAA4IBAQA1p78t3Tk+6V5h0SlokRaC5bVm\n" \
-"RoXwXRmmCsZJlwvIG25buBdUAWC/2odreV4anM9HmRnECxZMIV7Q0NiuVcl3Kiok\n" \
-"xtWsdsCyZkH0OMcBuiTEu+o3osTtxAp8dkzcBlh768htDXZCsAzRjFTwtZ78BqFk\n" \
-"rzduv1FDtpbxoD95X8B3MOc+ZrsZ5TTA+dpepeid6K3jmG9LPmFnahCkK31Hp5dv\n" \
-"WKKDKZn51PvOVAvti1QeAYcFabgeXFWb8OuCJcqWEKFJuvQRvKrpyLfpSR4NNq7M\n" \
-"nM12jsbhjrGYVCmQjczqOMqF+LMnXYUSY+o6gsBCM5XRAwOLY4S7Gv53K4+l\n" \
-"-----END CERTIFICATE-----\n";
-
   // hardcode private key
   const char AWS_CERT_PRIVATE[] =
 "-----BEGIN RSA PRIVATE KEY-----\n" \
@@ -238,8 +216,9 @@ int WiFiSSLClient::connect(const char* host, uint16_t port, const char* client_c
     ets_printf("*** connect ssl setup\n");
     if ((ret = mbedtls_ssl_setup(&_sslContext, &_sslConfig)) != 0) {
       if (ret == -0x7f00){
-        ets_printf("MBEDTLS_ERR_SSL_ALLOC_FAILED");
-        ets_printf("Free internal heap after TLS %u", heap_caps_get_free_size(MALLOC_CAP_8BIT));
+        ets_printf("%s", _clientCrt);
+        ets_printf("\nMBEDTLS_ERR_SSL_ALLOC_FAILED\n");
+        ets_printf("\nFree internal heap: %u\n", heap_caps_get_free_size(MALLOC_CAP_8BIT));
       }
       ets_printf("Unable to connect ssl setup %d", ret);
       stop();

main/CommandHandler.cpp

@@ -1051,6 +1051,7 @@ int wpa2EntEnable(const uint8_t command[], uint8_t response[]) {
 
 int setClientCert(const uint8_t command[], uint8_t response[]){
   ets_printf("*** Called setClientCert\n");
+  ets_printf("\nFree internal heap: %u\n", heap_caps_get_free_size(MALLOC_CAP_8BIT));
 
   size_t ca_cert_buf_size = (command[3] << 8 | command[4]);
   char* ca_cert_buf = (char*)malloc(ca_cert_buf_size+1);
@@ -1066,6 +1067,8 @@ int setClientCert(const uint8_t command[], uint8_t response[]){
 
   // todo: remove in favor of max_sockets impl. below
   tlsClients[0].setCertificate(ca_cert_buf);
+  //free(ca_cert_buf);
+  ets_printf("\nFree internal heap: %u\n", heap_caps_get_free_size(MALLOC_CAP_8BIT));
 
   /*
   // we're not sure which socket will be allocated in