wolf SSL / Mbed 2 deprecated SimpleClient-SSL-FRDM

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Dependencies:   CyaSSL EthernetInterface-FRDM mbed-rtos mbed

Fork of CyaSSL-EchoClient by wolf SSL

main.cpp@2:dc88e0c4270e, 2015-02-07 (annotated)

Committer:
wolfSSL
Date:
Sat Feb 07 11:39:58 2015 +0000
Revision:
2:dc88e0c4270e
Parent:
1:0b78d1071fee
Child:
3:0cab91ba32c1
Simple SSL client example for FRDM-K64F

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 0:0c584b87ea42 1 #include "mbed.h"
wolfSSL 0:0c584b87ea42 2 #include "EthernetInterface.h"
wolfSSL 0:0c584b87ea42 3
wolfSSL 0:0c584b87ea42 4 #include <cyassl/ssl.h>
wolfSSL 0:0c584b87ea42 5
wolfSSL 1:0b78d1071fee 6 const int PORT = 443 ;
wolfSSL 0:0c584b87ea42 7
wolfSSL 1:0b78d1071fee 8 #define err_sys(m) { puts(m) ; }
wolfSSL 0:0c584b87ea42 9
wolfSSL 0:0c584b87ea42 10 TCPSocketConnection socket;
wolfSSL 0:0c584b87ea42 11
wolfSSL 0:0c584b87ea42 12 static int SocketReceive(CYASSL* ssl, char *buf, int sz, void *ctx)
wolfSSL 0:0c584b87ea42 13 {
wolfSSL 0:0c584b87ea42 14 int n ;
wolfSSL 0:0c584b87ea42 15 int i ;
wolfSSL 0:0c584b87ea42 16 #define RECV_RETRY 3
wolfSSL 0:0c584b87ea42 17 for(i=0; i<RECV_RETRY; i++) {
wolfSSL 0:0c584b87ea42 18 n = socket.receive(buf, sz) ;
wolfSSL 0:0c584b87ea42 19 if(n >= 0)return n ;
wolfSSL 0:0c584b87ea42 20 }
wolfSSL 0:0c584b87ea42 21 return n ;
wolfSSL 0:0c584b87ea42 22 }
wolfSSL 0:0c584b87ea42 23
wolfSSL 0:0c584b87ea42 24 static int SocketSend(CYASSL* ssl, char *buf, int sz, void *ctx)
wolfSSL 0:0c584b87ea42 25 {
wolfSSL 0:0c584b87ea42 26 int n ;
wolfSSL 0:0c584b87ea42 27
wolfSSL 0:0c584b87ea42 28 n = socket.send(buf, sz);
wolfSSL 0:0c584b87ea42 29 if(n > 0) {
wolfSSL 0:0c584b87ea42 30 return n ;
wolfSSL 2:dc88e0c4270e 31 }
wolfSSL 0:0c584b87ea42 32 return n ;
wolfSSL 0:0c584b87ea42 33 }
wolfSSL 0:0c584b87ea42 34
wolfSSL 1:0b78d1071fee 35 EthernetInterface eth;
wolfSSL 1:0b78d1071fee 36
wolfSSL 1:0b78d1071fee 37 void net_main(void const *av)
wolfSSL 0:0c584b87ea42 38 {
wolfSSL 1:0b78d1071fee 39 char server_ip[20] ;
wolfSSL 0:0c584b87ea42 40 CYASSL_CTX* ctx = 0;
wolfSSL 0:0c584b87ea42 41 CYASSL* ssl = 0;
wolfSSL 0:0c584b87ea42 42
wolfSSL 0:0c584b87ea42 43 CYASSL_METHOD* method = CyaTLSv1_2_client_method();
wolfSSL 0:0c584b87ea42 44
wolfSSL 0:0c584b87ea42 45 /* Initialize CyaSSL Context */
wolfSSL 0:0c584b87ea42 46 ctx = CyaSSL_CTX_new(method);
wolfSSL 0:0c584b87ea42 47 if (ctx == NULL)
wolfSSL 0:0c584b87ea42 48 err_sys("unable to get ctx");
wolfSSL 0:0c584b87ea42 49 CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
wolfSSL 0:0c584b87ea42 50 CyaSSL_SetIORecv(ctx, SocketReceive) ;
wolfSSL 0:0c584b87ea42 51 CyaSSL_SetIOSend(ctx, SocketSend) ;
wolfSSL 0:0c584b87ea42 52
wolfSSL 0:0c584b87ea42 53 socket.set_blocking(false, 300) ;
wolfSSL 1:0b78d1071fee 54 printf("Server IP: ") ;
wolfSSL 1:0b78d1071fee 55 scanf("%s", server_ip) ;
wolfSSL 1:0b78d1071fee 56 puts(server_ip) ;
wolfSSL 1:0b78d1071fee 57 while (socket.connect(server_ip, PORT) < 0) {
wolfSSL 1:0b78d1071fee 58 printf("Unable to connect to (%s) on port (%d)\n", server_ip, PORT);
wolfSSL 0:0c584b87ea42 59 wait(1);
wolfSSL 0:0c584b87ea42 60 }
wolfSSL 0:0c584b87ea42 61 printf("TCP Connected\n") ;
wolfSSL 0:0c584b87ea42 62
wolfSSL 0:0c584b87ea42 63 ssl = CyaSSL_new(ctx);
wolfSSL 0:0c584b87ea42 64 if (ssl == NULL)
wolfSSL 0:0c584b87ea42 65 err_sys("unable to get SSL object");
wolfSSL 0:0c584b87ea42 66 if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
wolfSSL 0:0c584b87ea42 67 int err = CyaSSL_get_error(ssl, 0);
wolfSSL 0:0c584b87ea42 68 printf("err = %d, %s\n", err,
wolfSSL 1:0b78d1071fee 69 CyaSSL_ERR_error_string(err, "\n"));
wolfSSL 0:0c584b87ea42 70 err_sys("SSL Connection Error");
wolfSSL 0:0c584b87ea42 71 }
wolfSSL 0:0c584b87ea42 72 printf("SSL Connected\n") ;
wolfSSL 0:0c584b87ea42 73
wolfSSL 2:dc88e0c4270e 74 char msg[] = "GET / HTTP/1.0\r\nConnection:close\r\n\r\n" ;
wolfSSL 2:dc88e0c4270e 75 printf("Client Request: \n%s\n",msg) ;
wolfSSL 1:0b78d1071fee 76 if (CyaSSL_write(ssl,
wolfSSL 1:0b78d1071fee 77 /* socket.send(*/ msg, sizeof(msg)-1) != (sizeof(msg)-1))
wolfSSL 0:0c584b87ea42 78 err_sys("CyaSSL_write failed");
wolfSSL 0:0c584b87ea42 79
wolfSSL 0:0c584b87ea42 80 char buf[1024];
wolfSSL 0:0c584b87ea42 81 int n ;
wolfSSL 1:0b78d1071fee 82 puts("Server Response:\n") ;
wolfSSL 1:0b78d1071fee 83 do {
wolfSSL 1:0b78d1071fee 84 n = CyaSSL_read(ssl,
wolfSSL 1:0b78d1071fee 85 /* socket.receive(*/ buf, sizeof(buf)-1);
wolfSSL 2:dc88e0c4270e 86 if (n > 0) {
wolfSSL 1:0b78d1071fee 87 buf[n] = 0;
wolfSSL 1:0b78d1071fee 88 printf("%s", buf);
wolfSSL 1:0b78d1071fee 89 } else
wolfSSL 2:dc88e0c4270e 90 break ;
wolfSSL 1:0b78d1071fee 91 } while(n > 0) ;
wolfSSL 1:0b78d1071fee 92 puts("=== === === ===") ;
wolfSSL 1:0b78d1071fee 93 CyaSSL_free(ssl) ;
wolfSSL 1:0b78d1071fee 94 socket.close();
wolfSSL 1:0b78d1071fee 95 CyaSSL_CTX_free(ctx) ;
wolfSSL 1:0b78d1071fee 96 eth.disconnect();
wolfSSL 1:0b78d1071fee 97 }
wolfSSL 1:0b78d1071fee 98
wolfSSL 0:0c584b87ea42 99
wolfSSL 1:0b78d1071fee 100 main()
wolfSSL 1:0b78d1071fee 101 {
wolfSSL 1:0b78d1071fee 102
wolfSSL 1:0b78d1071fee 103 printf("===== Simple SSL CLIENT ========\n") ;
wolfSSL 1:0b78d1071fee 104 /* CyaSSL_Debugging_ON() ; */
wolfSSL 0:0c584b87ea42 105
wolfSSL 1:0b78d1071fee 106 eth.init(); //Use DHCP
wolfSSL 1:0b78d1071fee 107 eth.connect();
wolfSSL 1:0b78d1071fee 108 printf("Client IP: %s\n", eth.getIPAddress());
wolfSSL 1:0b78d1071fee 109
wolfSSL 1:0b78d1071fee 110 #define STACK_SIZE 12000
wolfSSL 1:0b78d1071fee 111 Thread t(net_main, NULL, osPriorityNormal, STACK_SIZE);
wolfSSL 1:0b78d1071fee 112
wolfSSL 1:0b78d1071fee 113 while (true) {
wolfSSL 1:0b78d1071fee 114 Thread::wait(1000);
wolfSSL 1:0b78d1071fee 115 }
wolfSSL 1:0b78d1071fee 116 }