Diff: main.cpp

Revision:

0:e979170e02e7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Apr 26 16:54:58 2013 +0000
@@ -0,0 +1,187 @@
+#define __DEBUG__ 4 //Maximum verbosity
+#ifndef __MODULE__
+#define __MODULE__ "main.cpp"
+#endif
+
+
+#define DEBUG_CYASSL 1
+
+#include "mbed.h"
+#include "rtos.h"
+#include "ssl.h"
+#include "VodafoneUSBModem.h"
+#include "socket.h"
+
+
+#define APN_PAYG
+
+#ifdef APN_GDSP
+   #define APN "ppinternetd.gdsp" 
+   #define APN_USERNAME ""
+   #define APN_PASSWORD ""
+#endif
+
+#ifdef APN_CONTRACT
+   #define APN "internet" 
+   #define APN_USERNAME "web"
+   #define APN_PASSWORD "web"
+#endif
+
+#ifdef APN_PAYG
+   #define APN "smart" 
+   #define APN_USERNAME "web"
+   #define APN_PASSWORD "web"
+#endif
+
+static INLINE unsigned int my_psk_client_cb(CYASSL* ssl, const char* hint,
+        char* identity, unsigned int id_max_len, unsigned char* key,
+        unsigned int key_max_len)
+{
+    (void)ssl;
+    (void)hint;
+    (void)key_max_len;
+
+    /* identity is OpenSSL testing default for openssl s_client, keep same */
+    strncpy(identity, "Client_identity", id_max_len);
+
+
+    /* test key in hex is 0x1a2b3c4d , in decimal 439,041,101 , we're using
+       unsigned binary */
+    key[0] = 26;
+    key[1] = 43;
+    key[2] = 60;
+    key[3] = 77;
+
+    return 4;   /* length of key in octets or 0 for error */
+}
+
+
+static INLINE unsigned int my_psk_server_cb(CYASSL* ssl, const char* identity,
+        unsigned char* key, unsigned int key_max_len)
+{
+    (void)ssl;
+    (void)key_max_len;
+
+    /* identity is OpenSSL testing default for openssl s_client, keep same */
+    if (strncmp(identity, "Client_identity", 15) != 0)
+        return 0;
+
+    /* test key in hex is 0x1a2b3c4d , in decimal 439,041,101 , we're using
+       unsigned binary */
+    key[0] = 26;
+    key[1] = 43;
+    key[2] = 60;
+    key[3] = 77;
+
+    return 4;   /* length of key in octets or 0 for error */
+}
+
+bool connectToSocket(char *ipAddress, int port, int *sockfd) {
+  *sockfd = -1;
+  // create the socket
+  if((*sockfd=socket(AF_INET,SOCK_STREAM,0))<0) {
+     DBG("Error opening socket");
+     return false;
+  }
+         
+  // create the socket address
+  sockaddr_in serverAddress;
+  std::memset(&serverAddress, 0, sizeof(struct sockaddr_in));
+  serverAddress.sin_addr.s_addr = inet_addr(ipAddress);
+  serverAddress.sin_family = AF_INET;
+  serverAddress.sin_port = htons(port);
+
+  // do socket connect
+  //LOG("Connecting socket to %s:%d", inet_ntoa(serverAddress.sin_addr), ntohs(serverAddress.sin_port));
+  if(connect(*sockfd, (const struct sockaddr *)&serverAddress, sizeof(serverAddress))<0) {
+     ::close(*sockfd);
+     DBG("Could not connect");
+     return false;
+  }
+  return true;
+}
+
+
+DigitalOut myled(LED1);
+
+
+//const unsigned char *serverCert = "-----BEGIN CERTIFICATE-----\r\nMIIDCjCCAnOgAwIBAgIJAM/U0HS+lzWAMA0GCSqGSIb3DQEBBQUAMGIxCzAJBgNV\r\nBAYTAlVLMRAwDgYDVQQIEwdFbmdsYW5kMRAwDgYDVQQHEwdOZXdidXJ5MRAwDgYD\r\nVQQKEwdBc2hsZXlzMQwwCgYDVQQLFANSJkQxDzANBgNVBAMTBkFzaGxleTAeFw0x\r\nMzA0MjYxNTIyNTFaFw0xNDA0MjYxNTIyNTFaMGIxCzAJBgNVBAYTAlVLMRAwDgYD\r\nVQQIEwdFbmdsYW5kMRAwDgYDVQQHEwdOZXdidXJ5MRAwDgYDVQQKEwdBc2hsZXlz\r\nMQwwCgYDVQQLFANSJkQxDzANBgNVBAMTBkFzaGxleTCBnzANBgkqhkiG9w0BAQEF\r\nAAOBjQAwgYkCgYEAwbLJUkH8ESIzW+6/k+ZNwt4fSvm0SsnVrmPgJMaoIghIx+EY\r\nxwjGUl5mdNIaOFyj9It1n+BT1uXIBewMTUdXXMDTHU60i+1Q0NtU2uWHoEj9Jf4T\r\nLyG5Jyuellu8zS4A+D5nTUdhxyZDz27BzHZ3XTod8670Zq2kYwjruE/2u+kCAwEA\r\nAaOBxzCBxDAdBgNVHQ4EFgQUff4ginSFEsol4OxS6MQlCfmtLYowgZQGA1UdIwSB\r\njDCBiYAUff4ginSFEsol4OxS6MQlCfmtLYqhZqRkMGIxCzAJBgNVBAYTAlVLMRAw\r\nDgYDVQQIEwdFbmdsYW5kMRAwDgYDVQQHEwdOZXdidXJ5MRAwDgYDVQQKEwdBc2hs\r\nZXlzMQwwCgYDVQQLFANSJkQxDzANBgNVBAMTBkFzaGxleYIJAM/U0HS+lzWAMAwG\r\nA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQADgYEArAQgHKW2FcszoxoQxp//waWV\r\n8d8zA2P2TB6QungJeo7GBys/q5JlyZ+XrpNfcGE52qwwHo68JqD4BhOGd3botyhg\r\nHX2+LXavi/cisqwgmmIKN/WtTKBv6MLNxW79WPhmvbkLIRUdTxaUBlKTFYDmNP02\r\n8o7kKH44sPrPaGOeidU=\r\n-----END CERTIFICATE-----";
+
+int main() {
+   DBG_INIT();
+   DBG_SET_SPEED(115200);
+   DBG_SET_NEWLINE("\r\n");
+   
+   // init modem
+   VodafoneUSBModem modem;
+    
+   // set SSL method to SSL v3 (TLS v1.2)
+   //CyaSSLv23_client_method();
+     
+   CyaSSL_Init();// Initialize CyaSSL
+   if(CyaSSL_Debugging_ON()==0) {
+      DBG("CyaSSL debugging enabled");
+   } else {
+      DBG("CyaSSL debugging not compiled in");
+   }
+   
+   
+   // setup certificates for server authentication
+   CYASSL_CTX* ctx = CyaSSL_CTX_new(CyaSSLv23_client_method());
+   if(ctx == NULL){
+      DBG("CyaSSL_CTX_new error.\n");
+      exit(EXIT_FAILURE);
+   }
+   DBG("Setup SSL context");
+   
+
+   // use pre-shared keys
+   CyaSSL_CTX_set_psk_client_callback(ctx,my_psk_client_cb);
+   /*
+   if(CyaSSL_CTX_load_verify_buffer(ctx, serverCert, strlen((const char*)serverCert),SSL_FILETYPE_PEM)==0) {
+   DBG("loaded server cert OK");
+   }*/
+   
+   // connnect modem to cellular network
+   DBG("connecting to mobile network");
+   if(modem.connect(APN,APN_USERNAME,APN_PASSWORD)!=0) {
+      DBG("Error connecting to mobile network");
+   }
+   DBG("Connected to mobile network");
+   
+   
+   // connect to SSL enabled webserver
+   int sockfd = NULL;
+   if(!connectToSocket("176.56.234.81", 11111, &sockfd)) {
+      DBG("Error connecting to socket");
+   }
+   DBG("Connected to non-SSL socket");
+   
+   // hook into SSL
+   // Create CYASSL object
+   CYASSL* ssl;
+   ssl = CyaSSL_new(ctx);
+   if(ssl == NULL) {
+      DBG("CyaSSL_new error.");
+      exit(EXIT_FAILURE);
+   }
+   DBG("CyaSSL_new OK");
+   
+   // attach to socket
+   DBG("Attaching CyaSSL to socket");
+   CyaSSL_set_fd(ssl, sockfd);
+   DBG("Attached CyaSSL to socket");
+   
+   DBG("Issuing CyaSSL_connect");
+   if(CyaSSL_connect(ssl)!=SSL_SUCCESS) {
+      DBG("CyaSSL_connect failed");
+   }
+   DBG("CyaSSL_connect OK");
+   
+   CyaSSL_write(ssl,"hello",5);
+   
+   // clean up
+   CyaSSL_CTX_free(ctx);
+   CyaSSL_Cleanup();  
+}
+    
\ No newline at end of file