Osamu Koizumi / Mbed OS Hello-TLSSocket-old

Https example program using TLSSocket library.

Hello-TLSSocket

TLSSocket library example program.

In this example, https connection to os.mbed.com is established by using TLSSocket. The program is tested on K64F.

Output from console

When set mbed-trace.enable true.

HelloTSLSocket, HTTPS example of TLSSocket

[INFO][TLSx]: Connecting to os.mbed.com:443
[INFO][TLSx]: Connected.
[INFO][TLSx]: Starting the TLS handshake...
[INFO][TLSx]: TLS connection to os.mbed.com:443 established

[DBG ][TLSx]: Server certificate:
    cert. version     : 3
    serial number     : 03:56:D4:79:41:63:31:CA:E0:56:06:61
    issuer name       : C=BE, O=GlobalSign nv-sa, CN=GlobalSign Organization Validation CA - SHA256 - G2
    subject name      : C=GB, ST=Cambridgeshire, L=Cambridge, O=Arm Ltd, CN=*.mbed.com
    issued  on        : 2018-05-04 15:36:03
    expires on        : 2019-06-06 10:31:02
    signed using      : RSA with SHA-256
    RSA key size      : 2048 bits
    basic constraints : CA=false
    subject alt name  : *.mbed.com, mbed.org, *.mbed.org, mbed.com
    key usage         : Digital Signature, Key Encipherment
    ext key usage     : TLS Web Server Authentication, TLS Web Client Authentication


[INFO][TLSx]: Certificate verification passed

GET / HTTP/1.1
Host: os.mbed.com
Connection: close

HTTP/1.1 200 OK
Server: nginx/1.11.12
Date: Wed, 13 Jun 2018 08:26:02 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Vary: Accept-Language,Cookie,Accept-Encoding
Content-Language: en-gb
Set-Cookie: csrftoken=zM3AGfeZ6W4OQZsT6nCcxNBYxEEN73sf; expires=Wed, 12-Jun-2019 08:25:33 GMT; Max-Age=31449600; Path=/
Strict-Transport-Security: max-age=31536000; includeSubdomains

eae
<!DOCTYPE html>

...
...
...

        AJAX_req.onreadystatechange = handle_AJAX_Complete;
        AJAX_req.send();
    }
</script>


</body>
</html>

0

HelloTSLSocket DONE.

main.cpp@13:e82471c0624c, 2018-06-15 (annotated)

Committer:
Osamu Koizumi
Date:
Fri Jun 15 00:43:00 2018 +0900
Revision:
13:e82471c0624c
Parent:
12:7d952bcda2c1 
Updated TLSSocket library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
coisme 0:f96053986356 1 #include "mbed.h"
coisme 0:f96053986356 2 #include "easy-connect.h"
coisme 0:f96053986356 3 #include "TLSSocket.h"
coisme 0:f96053986356 4
Osamu Koizumi 3:cf61a5596cf2 5 #include "mbed-trace/mbed_trace.h"
Osamu Koizumi 3:cf61a5596cf2 6
coisme 0:f96053986356 7 const char* HOST_NAME = "os.mbed.com";
coisme 0:f96053986356 8 const int PORT = 443;
coisme 0:f96053986356 9 const char* HTTPS_PATH = "/";
coisme 0:f96053986356 10
coisme 0:f96053986356 11 int main(int argc, char* argv[]) {
Osamu Koizumi 3:cf61a5596cf2 12 mbed_trace_init();
Osamu Koizumi 3:cf61a5596cf2 13
coisme 0:f96053986356 14 printf("HelloTSLSocket, HTTPS example of TLSSocket\r\n");
Osamu Koizumi 1:65339c530def 15 printf("\r\n");
coisme 0:f96053986356 16
Osamu Koizumi 1:65339c530def 17 // Open a network interface
coisme 0:f96053986356 18 NetworkInterface* network = NULL;
coisme 0:f96053986356 19 network = easy_connect(false); // If true, prints out connection details.
coisme 0:f96053986356 20 if (!network) {
coisme 0:f96053986356 21 printf("Unable to open network interface.\r\n");
coisme 0:f96053986356 22 return -1;
coisme 0:f96053986356 23 }
coisme 0:f96053986356 24
Osamu Koizumi 1:65339c530def 25 // Create a TLS socket
Osamu Koizumi 7:fc43e66fb54a 26 TLSSocket socket = TLSSocket();
Osamu Koizumi 7:fc43e66fb54a 27 if(socket.open(network) != 0) {
coisme 0:f96053986356 28 printf("Unable to open TLS socket.\r\n");
coisme 0:f96053986356 29 return -1;
coisme 0:f96053986356 30 }
Osamu Koizumi 1:65339c530def 31
Osamu Koizumi 12:7d952bcda2c1 32 // Set root CA certificate
Osamu Koizumi 12:7d952bcda2c1 33 socket.set_root_ca_cert(MBED_CONF_APP_ROOT_CA_CERT_PEM);
Osamu Koizumi 12:7d952bcda2c1 34
Osamu Koizumi 1:65339c530def 35 // Connect to the server, including TLS handshake
Osamu Koizumi 9:38b485904577 36 if(socket.connect(HOST_NAME, PORT) != 0) {
coisme 0:f96053986356 37 printf("Failed to connect to the server.");
coisme 0:f96053986356 38 return -1;
coisme 0:f96053986356 39 }
coisme 0:f96053986356 40
Osamu Koizumi 6:75b01b028cd4 41 const size_t buf_size = 1024;
coisme 0:f96053986356 42 char *buf = new char[buf_size];
coisme 0:f96053986356 43
Osamu Koizumi 1:65339c530def 44 // Send HTTP request
Osamu Koizumi 1:65339c530def 45 /* "Connection: close" header is specified to detect end of the body
Osamu Koizumi 1:65339c530def 46 * contents by connection close notification. If this is not specified,
Osamu Koizumi 1:65339c530def 47 * connection is kept, and need to detect end of the content in another
Osamu Koizumi 1:65339c530def 48 * way.
Osamu Koizumi 1:65339c530def 49 */
Osamu Koizumi 1:65339c530def 50 int len = snprintf(buf, buf_size,
Osamu Koizumi 1:65339c530def 51 "GET %s HTTP/1.1\n"
Osamu Koizumi 1:65339c530def 52 "Host: %s\n"
Osamu Koizumi 1:65339c530def 53 "Connection: close\n"
Osamu Koizumi 1:65339c530def 54 "\n", HTTPS_PATH, HOST_NAME);
Osamu Koizumi 1:65339c530def 55 printf("\r\n%s", buf);
coisme 0:f96053986356 56 int rc = 0;
Osamu Koizumi 7:fc43e66fb54a 57 rc = socket.send(buf, len);
coisme 0:f96053986356 58 if(rc < 0) {
coisme 0:f96053986356 59 printf("send error.\r\n");
coisme 0:f96053986356 60 return -1;
coisme 0:f96053986356 61 }
Osamu Koizumi 1:65339c530def 62
Osamu Koizumi 6:75b01b028cd4 63 // Receive response from the server
Osamu Koizumi 7:fc43e66fb54a 64 while((rc = socket.recv(buf, buf_size - 1)) > 0) {
coisme 0:f96053986356 65 buf[rc] = '\0';
coisme 0:f96053986356 66 printf("%s", buf);
coisme 0:f96053986356 67 }
coisme 0:f96053986356 68 if(rc < 0) {
coisme 0:f96053986356 69 printf("\r\n! Read failed. err code = %d\r\n", rc);
coisme 0:f96053986356 70 }
Osamu Koizumi 1:65339c530def 71
Osamu Koizumi 1:65339c530def 72 // Done
Osamu Koizumi 1:65339c530def 73 printf("HelloTSLSocket DONE.\r\n");
coisme 0:f96053986356 74 delete[] buf;
coisme 0:f96053986356 75
Osamu Koizumi 7:fc43e66fb54a 76 socket.close();
coisme 0:f96053986356 77 }