shinichi satoh / Mbed 2 deprecated ssl_access

ssl_access (http->https)

Dependencies:   CyaSSL EthernetInterface mbed-rtos mbed

Fork of ssl_access by shinichi satoh

main.cpp@6:498ff8506b32, 2015-07-22 (annotated)

Committer:
thursday1024
Date:
Wed Jul 22 08:19:33 2015 +0000
Revision:
6:498ff8506b32
Parent:
5:962734db89e5 
ssl access

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thursday1024 6:498ff8506b32 1 // ssl_access main.cpp
wolfSSL 0:0c584b87ea42 2 #include "mbed.h"
wolfSSL 0:0c584b87ea42 3 #include "EthernetInterface.h"
wolfSSL 0:0c584b87ea42 4
wolfSSL 1:ac91b4f8d818 5 /*** SSL #include <cyassl/ssl.h> ***/
wolfSSL 0:0c584b87ea42 6
wolfSSL 2:29a1370416cb 7 #define PORT 80 /*** SSL 443 ***/
wolfSSL 0:0c584b87ea42 8
wolfSSL 2:29a1370416cb 9 #define err_sys(m) puts(m)
wolfSSL 0:0c584b87ea42 10
wolfSSL 0:0c584b87ea42 11 TCPSocketConnection socket;
wolfSSL 0:0c584b87ea42 12
wolfSSL 1:ac91b4f8d818 13 /*** SSL
wolfSSL 0:0c584b87ea42 14 static int SocketReceive(CYASSL* ssl, char *buf, int sz, void *ctx)
wolfSSL 0:0c584b87ea42 15 {
wolfSSL 0:0c584b87ea42 16 int n ;
wolfSSL 0:0c584b87ea42 17 int i ;
wolfSSL 0:0c584b87ea42 18 #define RECV_RETRY 3
wolfSSL 0:0c584b87ea42 19 for(i=0; i<RECV_RETRY; i++) {
wolfSSL 0:0c584b87ea42 20 n = socket.receive(buf, sz) ;
wolfSSL 0:0c584b87ea42 21 if(n >= 0)return n ;
wolfSSL 0:0c584b87ea42 22 }
wolfSSL 0:0c584b87ea42 23 printf("SocketReceive:%d/%d\n", n, sz) ;
wolfSSL 0:0c584b87ea42 24 return n ;
wolfSSL 0:0c584b87ea42 25 }
wolfSSL 0:0c584b87ea42 26
wolfSSL 0:0c584b87ea42 27 static int SocketSend(CYASSL* ssl, char *buf, int sz, void *ctx)
wolfSSL 0:0c584b87ea42 28 {
wolfSSL 0:0c584b87ea42 29 int n ;
wolfSSL 0:0c584b87ea42 30
wolfSSL 0:0c584b87ea42 31 n = socket.send(buf, sz);
wolfSSL 0:0c584b87ea42 32 if(n > 0) {
wolfSSL 0:0c584b87ea42 33 return n ;
wolfSSL 0:0c584b87ea42 34 } else printf("SocketSend:%d/%d\n", n, sz);
wolfSSL 0:0c584b87ea42 35 return n ;
wolfSSL 0:0c584b87ea42 36 }
wolfSSL 2:29a1370416cb 37 ***/
wolfSSL 0:0c584b87ea42 38
wolfSSL 1:ac91b4f8d818 39 EthernetInterface eth;
wolfSSL 1:ac91b4f8d818 40
wolfSSL 5:962734db89e5 41 void net_main(void const *av)
wolfSSL 0:0c584b87ea42 42 {
wolfSSL 1:ac91b4f8d818 43 char server_ip[20] ;
wolfSSL 2:29a1370416cb 44
wolfSSL 2:29a1370416cb 45 eth.init(); //Use DHCP
wolfSSL 2:29a1370416cb 46 printf("===== Simple TCP Client ========\n") ;
wolfSSL 2:29a1370416cb 47 /*** SSL
wolfSSL 2:29a1370416cb 48 printf("===== Simple SSL Client ========\n") ;
wolfSSL 2:29a1370416cb 49 ***/
wolfSSL 2:29a1370416cb 50
wolfSSL 2:29a1370416cb 51 while(1) {
wolfSSL 2:29a1370416cb 52 if(eth.connect()== 0)break ;
wolfSSL 2:29a1370416cb 53 wait(0.1);
wolfSSL 2:29a1370416cb 54 }
wolfSSL 2:29a1370416cb 55 printf("Client IP: %s\n", eth.getIPAddress());
wolfSSL 2:29a1370416cb 56
wolfSSL 1:ac91b4f8d818 57 /*** SSL
wolfSSL 0:0c584b87ea42 58 CYASSL_CTX* ctx = 0;
wolfSSL 0:0c584b87ea42 59 CYASSL* ssl = 0;
wolfSSL 0:0c584b87ea42 60
wolfSSL 0:0c584b87ea42 61 CYASSL_METHOD* method = CyaTLSv1_2_client_method();
wolfSSL 2:29a1370416cb 62 ***/
wolfSSL 0:0c584b87ea42 63
wolfSSL 0:0c584b87ea42 64 /* Initialize CyaSSL Context */
wolfSSL 1:ac91b4f8d818 65 /*** SSL
wolfSSL 0:0c584b87ea42 66 ctx = CyaSSL_CTX_new(method);
wolfSSL 0:0c584b87ea42 67 if (ctx == NULL)
wolfSSL 0:0c584b87ea42 68 err_sys("unable to get ctx");
wolfSSL 0:0c584b87ea42 69 CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
wolfSSL 0:0c584b87ea42 70 CyaSSL_SetIORecv(ctx, SocketReceive) ;
wolfSSL 0:0c584b87ea42 71 CyaSSL_SetIOSend(ctx, SocketSend) ;
wolfSSL 1:ac91b4f8d818 72 end SSL ***/
wolfSSL 0:0c584b87ea42 73
wolfSSL 0:0c584b87ea42 74 socket.set_blocking(false, 300) ;
wolfSSL 1:ac91b4f8d818 75 printf("Server IP: ") ;
wolfSSL 2:29a1370416cb 76 for(int i=0; i<sizeof(server_ip); i++) {
wolfSSL 2:29a1370416cb 77 if((server_ip[i] = getchar()) == '\r') {
wolfSSL 2:29a1370416cb 78 server_ip[i] = '\0' ;
wolfSSL 2:29a1370416cb 79 putchar('\n') ;
wolfSSL 2:29a1370416cb 80 break ;
wolfSSL 2:29a1370416cb 81 } else putchar(server_ip[i]) ;
wolfSSL 2:29a1370416cb 82 }
wolfSSL 2:29a1370416cb 83
wolfSSL 1:ac91b4f8d818 84 while (socket.connect(server_ip, PORT) < 0) {
wolfSSL 1:ac91b4f8d818 85 printf("Unable to connect to (%s) on port (%d)\n", server_ip, PORT);
wolfSSL 0:0c584b87ea42 86 wait(1);
wolfSSL 0:0c584b87ea42 87 }
wolfSSL 0:0c584b87ea42 88 printf("TCP Connected\n") ;
wolfSSL 0:0c584b87ea42 89
wolfSSL 1:ac91b4f8d818 90 /*** SSL
wolfSSL 0:0c584b87ea42 91 ssl = CyaSSL_new(ctx);
wolfSSL 0:0c584b87ea42 92 if (ssl == NULL)
wolfSSL 0:0c584b87ea42 93 err_sys("unable to get SSL object");
wolfSSL 0:0c584b87ea42 94 if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
wolfSSL 0:0c584b87ea42 95 int err = CyaSSL_get_error(ssl, 0);
wolfSSL 0:0c584b87ea42 96 printf("err = %d, %s\n", err,
wolfSSL 1:ac91b4f8d818 97 CyaSSL_ERR_error_string(err, "\n"));
wolfSSL 0:0c584b87ea42 98 err_sys("SSL Connection Error");
wolfSSL 0:0c584b87ea42 99 }
wolfSSL 0:0c584b87ea42 100 printf("SSL Connected\n") ;
wolfSSL 1:ac91b4f8d818 101 ***/
wolfSSL 0:0c584b87ea42 102
wolfSSL 5:962734db89e5 103 char msg[] = "GET /congrats.html HTTP/1.0\r\nConnection: Close\r\n\r\n" ;
wolfSSL 0:0c584b87ea42 104 // const char msg[] = "Hello World\r\n" ;
wolfSSL 0:0c584b87ea42 105
wolfSSL 2:29a1370416cb 106 if (
wolfSSL 2:29a1370416cb 107 /*** SSL
wolfSSL 2:29a1370416cb 108 CyaSSL_write(ssl, msg, sizeof(msg)-1) != (sizeof(msg)-1)) ***/
wolfSSL 1:ac91b4f8d818 109 socket.send(msg, sizeof(msg)-1) != (sizeof(msg)-1))
wolfSSL 0:0c584b87ea42 110 err_sys("CyaSSL_write failed");
wolfSSL 0:0c584b87ea42 111
wolfSSL 0:0c584b87ea42 112 char buf[1024];
wolfSSL 0:0c584b87ea42 113 int n ;
wolfSSL 1:ac91b4f8d818 114 puts("Server Response:\n") ;
wolfSSL 1:ac91b4f8d818 115 do {
wolfSSL 2:29a1370416cb 116 n = /*** SSL CyaSSL_read(ssl, buf, sizeof(buf)-1); ***/
wolfSSL 1:ac91b4f8d818 117 socket.receive(buf, sizeof(buf)-1);
wolfSSL 1:ac91b4f8d818 118 if (n >= 0) {
wolfSSL 1:ac91b4f8d818 119 buf[n] = 0;
wolfSSL 1:ac91b4f8d818 120 printf("%s", buf);
wolfSSL 5:962734db89e5 121 } else break ;
wolfSSL 1:ac91b4f8d818 122 } while(n > 0) ;
wolfSSL 1:ac91b4f8d818 123 puts("=== === === ===") ;
wolfSSL 1:ac91b4f8d818 124 /*** SSL CyaSSL_free(ssl) ; ***/
wolfSSL 1:ac91b4f8d818 125 socket.close();
wolfSSL 1:ac91b4f8d818 126 /*** SSL CyaSSL_CTX_free(ctx) ; ***/
wolfSSL 1:ac91b4f8d818 127 eth.disconnect();
wolfSSL 1:ac91b4f8d818 128 }
wolfSSL 5:962734db89e5 129
wolfSSL 5:962734db89e5 130 main()
wolfSSL 5:962734db89e5 131 {
wolfSSL 5:962734db89e5 132
wolfSSL 5:962734db89e5 133 #define STACK_SIZE 20000
wolfSSL 5:962734db89e5 134 Thread t(net_main, NULL, osPriorityNormal, STACK_SIZE);
wolfSSL 5:962734db89e5 135
wolfSSL 5:962734db89e5 136 while (true) {
wolfSSL 5:962734db89e5 137 Thread::wait(1000);
wolfSSL 5:962734db89e5 138 }
wolfSSL 5:962734db89e5 139 }