File content as of revision 3:0cab91ba32c1:

#include "mbed.h"
#include "EthernetInterface.h"

#include <cyassl/ssl.h>

const int PORT = 443 ;

#define err_sys(m) { puts(m) ; }

TCPSocketConnection socket;

static int SocketReceive(CYASSL* ssl, char *buf, int sz, void *ctx)
{
    int n ;
    int i ;
#define RECV_RETRY 3
    for(i=0; i<RECV_RETRY; i++) {
        n = socket.receive(buf, sz) ;
        if(n >= 0)return n  ;
    }
    return n ;
}

static int SocketSend(CYASSL* ssl, char *buf, int sz, void *ctx)
{
    int n ;

    n = socket.send(buf, sz);
    if(n > 0) {
        return n ;
    } 
    return n ;
}

void getline(char *line, int size) {
    for(int i=0; i<size; i++) {
        if((line[i] = getchar()) == '\r') {
            line[i] = '\0' ;
            putchar('\n') ;
            break ;
        } else putchar(line[i]) ;
    }
}

EthernetInterface eth;

void net_main(void const *av)
{
    char server_ip[20] ;
    CYASSL_CTX*     ctx     = 0;
    CYASSL*         ssl     = 0;

    CYASSL_METHOD* method = CyaTLSv1_2_client_method();

    /* Initialize CyaSSL Context */
    ctx = CyaSSL_CTX_new(method);
    if (ctx == NULL)
        err_sys("unable to get ctx");
    CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
    CyaSSL_SetIORecv(ctx, SocketReceive) ;
    CyaSSL_SetIOSend(ctx, SocketSend) ;

    socket.set_blocking(false, 300) ;
    printf("Server IP: ") ;
    getline(server_ip, sizeof(server_ip)) ; 
    while (socket.connect(server_ip, PORT) < 0) {
        printf("Unable to connect to (%s) on port (%d)\n", server_ip, PORT);
        wait(1);
    }
    printf("TCP Connected\n") ;

    ssl = CyaSSL_new(ctx);
    if (ssl == NULL)
        err_sys("unable to get SSL object");
    if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
        int  err = CyaSSL_get_error(ssl, 0);
        printf("err = %d, %s\n", err,
               CyaSSL_ERR_error_string(err, "\n"));
        err_sys("SSL Connection Error");
    }
    printf("SSL Connected\n") ;
 
    char msg[] = "GET /index.html HTTP/1.0\r\nConnection:close\r\n\r\n" ;
    printf("Client Request: \n%s\n",msg) ;
    if (CyaSSL_write(ssl, 
        /* socket.send(*/ msg, sizeof(msg)-1) != (sizeof(msg)-1))
        err_sys("CyaSSL_write failed");

    char buf[1024];
    int n ;
    puts("Server Response:\n") ;
    do {
        n = CyaSSL_read(ssl, 
            /* socket.receive(*/ buf, sizeof(buf)-1);
        if (n > 0) {
            buf[n] = 0;
            printf("%s", buf);
        } else
            break ;
    } while(n > 0) ;
    puts("=== === === ===") ;
    CyaSSL_free(ssl) ; 
    socket.close();
    CyaSSL_CTX_free(ctx) ; 
    eth.disconnect();
}


main()
{

    printf("===== Simple SSL CLIENT ========\n") ;
    /* CyaSSL_Debugging_ON() ; */

    eth.init(); //Use DHCP
    eth.connect();
    printf("Client IP: %s\n", eth.getIPAddress());

#define STACK_SIZE 12000
    Thread t(net_main, NULL, osPriorityNormal, STACK_SIZE);

    while (true) {
        Thread::wait(1000);
    }
}