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Dependencies:   CyaSSL EthernetInterface-FRDM mbed-rtos mbed

Fork of CyaSSL-EchoClient by wolf SSL

main.cpp@1:0b78d1071fee, 2014-10-08 (annotated)

Committer:
wolfSSL
Date:
Wed Oct 08 05:04:09 2014 +0000
Revision:
1:0b78d1071fee
Parent:
0:0c584b87ea42
Child:
2:dc88e0c4270e
Initial version

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 printf("SocketReceive:%d/%d\n", n, sz) ;
wolfSSL 0:0c584b87ea42 22 return n ;
wolfSSL 0:0c584b87ea42 23 }
wolfSSL 0:0c584b87ea42 24
wolfSSL 0:0c584b87ea42 25 static int SocketSend(CYASSL* ssl, char *buf, int sz, void *ctx)
wolfSSL 0:0c584b87ea42 26 {
wolfSSL 0:0c584b87ea42 27 int n ;
wolfSSL 0:0c584b87ea42 28
wolfSSL 0:0c584b87ea42 29 n = socket.send(buf, sz);
wolfSSL 0:0c584b87ea42 30 if(n > 0) {
wolfSSL 0:0c584b87ea42 31 return n ;
wolfSSL 0:0c584b87ea42 32 } else printf("SocketSend:%d/%d\n", n, sz);
wolfSSL 0:0c584b87ea42 33 return n ;
wolfSSL 0:0c584b87ea42 34 }
wolfSSL 0:0c584b87ea42 35
wolfSSL 1:0b78d1071fee 36 EthernetInterface eth;
wolfSSL 1:0b78d1071fee 37
wolfSSL 1:0b78d1071fee 38 void net_main(void const *av)
wolfSSL 0:0c584b87ea42 39 {
wolfSSL 1:0b78d1071fee 40 char server_ip[20] ;
wolfSSL 0:0c584b87ea42 41 CYASSL_CTX* ctx = 0;
wolfSSL 0:0c584b87ea42 42 CYASSL* ssl = 0;
wolfSSL 0:0c584b87ea42 43
wolfSSL 0:0c584b87ea42 44 CYASSL_METHOD* method = CyaTLSv1_2_client_method();
wolfSSL 0:0c584b87ea42 45
wolfSSL 0:0c584b87ea42 46 /* Initialize CyaSSL Context */
wolfSSL 0:0c584b87ea42 47 ctx = CyaSSL_CTX_new(method);
wolfSSL 0:0c584b87ea42 48 if (ctx == NULL)
wolfSSL 0:0c584b87ea42 49 err_sys("unable to get ctx");
wolfSSL 0:0c584b87ea42 50 CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
wolfSSL 0:0c584b87ea42 51 CyaSSL_SetIORecv(ctx, SocketReceive) ;
wolfSSL 0:0c584b87ea42 52 CyaSSL_SetIOSend(ctx, SocketSend) ;
wolfSSL 0:0c584b87ea42 53
wolfSSL 0:0c584b87ea42 54 socket.set_blocking(false, 300) ;
wolfSSL 1:0b78d1071fee 55 printf("Server IP: ") ;
wolfSSL 1:0b78d1071fee 56 scanf("%s", server_ip) ;
wolfSSL 1:0b78d1071fee 57 puts(server_ip) ;
wolfSSL 1:0b78d1071fee 58 while (socket.connect(server_ip, PORT) < 0) {
wolfSSL 1:0b78d1071fee 59 printf("Unable to connect to (%s) on port (%d)\n", server_ip, PORT);
wolfSSL 0:0c584b87ea42 60 wait(1);
wolfSSL 0:0c584b87ea42 61 }
wolfSSL 0:0c584b87ea42 62 printf("TCP Connected\n") ;
wolfSSL 0:0c584b87ea42 63
wolfSSL 0:0c584b87ea42 64 ssl = CyaSSL_new(ctx);
wolfSSL 0:0c584b87ea42 65 if (ssl == NULL)
wolfSSL 0:0c584b87ea42 66 err_sys("unable to get SSL object");
wolfSSL 0:0c584b87ea42 67 if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
wolfSSL 0:0c584b87ea42 68 int err = CyaSSL_get_error(ssl, 0);
wolfSSL 0:0c584b87ea42 69 printf("err = %d, %s\n", err,
wolfSSL 1:0b78d1071fee 70 CyaSSL_ERR_error_string(err, "\n"));
wolfSSL 0:0c584b87ea42 71 err_sys("SSL Connection Error");
wolfSSL 0:0c584b87ea42 72 }
wolfSSL 0:0c584b87ea42 73 printf("SSL Connected\n") ;
wolfSSL 0:0c584b87ea42 74
wolfSSL 1:0b78d1071fee 75 char msg[] = "GET / HTTP/1.0\r\nConnection: Close\r\n\r\n" ;
wolfSSL 0:0c584b87ea42 76 // const char msg[] = "Hello World\r\n" ;
wolfSSL 0:0c584b87ea42 77
wolfSSL 1:0b78d1071fee 78 if (CyaSSL_write(ssl,
wolfSSL 1:0b78d1071fee 79 /* socket.send(*/ msg, sizeof(msg)-1) != (sizeof(msg)-1))
wolfSSL 0:0c584b87ea42 80 err_sys("CyaSSL_write failed");
wolfSSL 0:0c584b87ea42 81
wolfSSL 0:0c584b87ea42 82 char buf[1024];
wolfSSL 0:0c584b87ea42 83 int n ;
wolfSSL 1:0b78d1071fee 84 puts("Server Response:\n") ;
wolfSSL 1:0b78d1071fee 85 do {
wolfSSL 1:0b78d1071fee 86 n = CyaSSL_read(ssl,
wolfSSL 1:0b78d1071fee 87 /* socket.receive(*/ buf, sizeof(buf)-1);
wolfSSL 1:0b78d1071fee 88 if (n >= 0) {
wolfSSL 0:0c584b87ea42 89
wolfSSL 1:0b78d1071fee 90 buf[n] = 0;
wolfSSL 1:0b78d1071fee 91 //printf("%d,", n) ;
wolfSSL 1:0b78d1071fee 92 printf("%s", buf);
wolfSSL 1:0b78d1071fee 93 } else
wolfSSL 1:0b78d1071fee 94 err_sys("CyaSSL_read failed");
wolfSSL 1:0b78d1071fee 95 } while(n > 0) ;
wolfSSL 1:0b78d1071fee 96 puts("=== === === ===") ;
wolfSSL 1:0b78d1071fee 97 CyaSSL_free(ssl) ;
wolfSSL 1:0b78d1071fee 98 socket.close();
wolfSSL 1:0b78d1071fee 99 CyaSSL_CTX_free(ctx) ;
wolfSSL 1:0b78d1071fee 100 eth.disconnect();
wolfSSL 1:0b78d1071fee 101 }
wolfSSL 1:0b78d1071fee 102
wolfSSL 0:0c584b87ea42 103
wolfSSL 1:0b78d1071fee 104 main()
wolfSSL 1:0b78d1071fee 105 {
wolfSSL 1:0b78d1071fee 106
wolfSSL 1:0b78d1071fee 107 printf("===== Simple SSL CLIENT ========\n") ;
wolfSSL 1:0b78d1071fee 108 /* CyaSSL_Debugging_ON() ; */
wolfSSL 0:0c584b87ea42 109
wolfSSL 1:0b78d1071fee 110 eth.init(); //Use DHCP
wolfSSL 1:0b78d1071fee 111 eth.connect();
wolfSSL 1:0b78d1071fee 112 printf("Client IP: %s\n", eth.getIPAddress());
wolfSSL 1:0b78d1071fee 113
wolfSSL 1:0b78d1071fee 114 #define STACK_SIZE 12000
wolfSSL 1:0b78d1071fee 115 Thread t(net_main, NULL, osPriorityNormal, STACK_SIZE);
wolfSSL 1:0b78d1071fee 116
wolfSSL 1:0b78d1071fee 117 while (true) {
wolfSSL 1:0b78d1071fee 118 Thread::wait(1000);
wolfSSL 1:0b78d1071fee 119 }
wolfSSL 1:0b78d1071fee 120 }