/* FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd. VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that has become a de facto standard. * * * * Help yourself get started quickly and support the FreeRTOS * * project by purchasing a FreeRTOS tutorial book, reference * * manual, or both from: http://www.FreeRTOS.org/Documentation * * * * Thank you! * * * *************************************************************************** This file is part of the FreeRTOS distribution. FreeRTOS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. >>! NOTE: The modification to the GPL is included to allow you to distribute >>! a combined work that includes FreeRTOS without being obliged to provide >>! the source code for proprietary components outside of the FreeRTOS >>! kernel. FreeRTOS 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. Full license text is available from the following link: http://www.freertos.org/a00114.html 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong?" * * * * http://www.FreeRTOS.org/FAQHelp.html * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, books, training, latest versions, license and Real Time Engineers Ltd. contact details. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and middleware. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. 1 tab == 4 spaces! */ #pragma comment( lib, "ws2_32.lib" ) /* Win32 includes. */ #include /* CyaSSL includes. */ #include "cyassl/ssl.h" /* Standard includes. */ #include #include /* FreeRTOS includes. */ #include "FreeRTOS.h" #include "task.h" /*-----------------------------------------------------------*/ /* The CyaSSL context for the client. */ static CYASSL_CTX* xCyaSSL_ClientContext = NULL; /*-----------------------------------------------------------*/ /* See the comments at the top of main.c. */ void vSecureTCPClientTask( void *pvParameters ) { SOCKET xClientSocket; struct sockaddr_in xConnection; CYASSL* xCyaSSL_Object; WORD wVersionRequested; WSADATA xWSAData; uint8_t cString[ 50 ]; portBASE_TYPE lReturned; uint32_t ulCount = 0UL; /* Remove compiler warning about unused parameters. */ ( void ) pvParameters; /* Prepare to use WinSock. */ wVersionRequested = MAKEWORD( 2, 2 ); configASSERT( WSAStartup( wVersionRequested, &xWSAData ) == 0 ); /* Set family and port for client socket. */ memset( ( void * ) &xConnection, 0x00, sizeof( struct sockaddr_in ) ); xConnection.sin_family = AF_INET; xConnection.sin_addr.s_addr = inet_addr("127.0.0.1"); xConnection.sin_port = htons( configTCP_PORT_NUMBER ); /* Attempt to create a context that uses the TLS V1 server protocol. */ xCyaSSL_ClientContext = CyaSSL_CTX_new( CyaTLSv1_client_method() ); configASSERT( xCyaSSL_ClientContext ); /* Load the CA certificate. */ lReturned = CyaSSL_CTX_load_verify_locations( xCyaSSL_ClientContext, "ca-cert.pem", 0 ); configASSERT( lReturned == SSL_SUCCESS ); for( ;; ) { /* Create the socket. */ xClientSocket = socket( AF_INET, SOCK_STREAM, 0 ); configASSERT( xClientSocket != INVALID_SOCKET ); /* Connect to the secure server. */ if( connect( xClientSocket, ( SOCKADDR * ) &xConnection, sizeof( xConnection ) ) == 0 ) { /* The connect was successful. Create a CyaSSL object to associate with this connection. */ xCyaSSL_Object = CyaSSL_new( xCyaSSL_ClientContext ); if( xCyaSSL_Object != NULL ) { /* Associate the created CyaSSL object with the connected socket. */ lReturned = CyaSSL_set_fd( xCyaSSL_Object, xClientSocket ); configASSERT( lReturned == SSL_SUCCESS ); /* The count is used to differentiate between messages sent to the server, and to break out of the do while loop below. */ ulCount = 0UL; do { /* Create the string that is sent to the secure server. */ sprintf( ( char * ) cString, "Message number %lu\r\n", ulCount ); /* The next line is the secure equivalent of the standard sockets call: lReturned = send( xClientSocket, cString, strlen( cString ) + 1, 0 ); */ lReturned = CyaSSL_write( xCyaSSL_Object, ( const char * ) cString, strlen( ( const char * ) cString ) + 1 ); /* Short delay to prevent the messages streaming up the console too quickly. */ vTaskDelay( 5 ); ulCount++; } while( ( lReturned != SOCKET_ERROR ) && ( ulCount < 10UL ) ); } CyaSSL_free( xCyaSSL_Object ); closesocket( xClientSocket ); /* Delay for a short time before starting over. */ vTaskDelay( 50 ); } } } /*-----------------------------------------------------------*/