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

Committer:
Osamu Koizumi
Date:
2018-04-24
Revision:
6:75b01b028cd4
Parent:
3:cf61a5596cf2
Child:
7:fc43e66fb54a

File content as of revision 6:75b01b028cd4:

#include "mbed.h"
#include "easy-connect.h"
#include "TLSSocket.h"

#include "mbed-trace/mbed_trace.h"

const char* HOST_NAME = "os.mbed.com";
const int PORT = 443;
const char* HTTPS_PATH = "/";
const char* ROOT_CA_PEM = /* Root CA of os.mbed.com */
"-----BEGIN CERTIFICATE-----\n"
"MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG\n"
"A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv\n"
"b3QgQ0ExGzAZBgNVBAMTEkdsb2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAw\n"
"MDBaFw0yODAxMjgxMjAwMDBaMFcxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9i\n"
"YWxTaWduIG52LXNhMRAwDgYDVQQLEwdSb290IENBMRswGQYDVQQDExJHbG9iYWxT\n"
"aWduIFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDaDuaZ\n"
"jc6j40+Kfvvxi4Mla+pIH/EqsLmVEQS98GPR4mdmzxzdzxtIK+6NiY6arymAZavp\n"
"xy0Sy6scTHAHoT0KMM0VjU/43dSMUBUc71DuxC73/OlS8pF94G3VNTCOXkNz8kHp\n"
"1Wrjsok6Vjk4bwY8iGlbKk3Fp1S4bInMm/k8yuX9ifUSPJJ4ltbcdG6TRGHRjcdG\n"
"snUOhugZitVtbNV4FpWi6cgKOOvyJBNPc1STE4U6G7weNLWLBYy5d4ux2x8gkasJ\n"
"U26Qzns3dLlwR5EiUWMWea6xrkEmCMgZK9FGqkjWZCrXgzT/LCrBbBlDSgeF59N8\n"
"9iFo7+ryUp9/k5DPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8E\n"
"BTADAQH/MB0GA1UdDgQWBBRge2YaRQ2XyolQL30EzTSo//z9SzANBgkqhkiG9w0B\n"
"AQUFAAOCAQEA1nPnfE920I2/7LqivjTFKDK1fPxsnCwrvQmeU79rXqoRSLblCKOz\n"
"yj1hTdNGCbM+w6DjY1Ub8rrvrTnhQ7k4o+YviiY776BQVvnGCv04zcQLcFGUl5gE\n"
"38NflNUVyRRBnMRddWQVDf9VMOyGj/8N7yy5Y0b2qvzfvGn9LhJIZJrglfCm7ymP\n"
"AbEVtQwdpf5pLGkkeB6zpxxxYu7KyJesF12KwvhHhm4qxFYxldBniYUr+WymXUad\n"
"DKqC5JlR3XC321Y9YeRq4VzW9v493kHMB65jUr9TU/Qr6cf9tveCX4XSQRjbgbME\n"
"HMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A==\n"
"-----END CERTIFICATE-----";


int main(int argc, char* argv[]) {
    mbed_trace_init();

    printf("HelloTSLSocket, HTTPS example of TLSSocket\r\n");
    printf("\r\n");

    // Open a network interface
    NetworkInterface* network = NULL;
    network = easy_connect(false);    // If true, prints out connection details.
    if (!network) {
        printf("Unable to open network interface.\r\n");
        return -1;
    }

    // Create a TLS socket
    TLSSocket* socket = new TLSSocket();
    if(socket->open(network) != 0) {
        printf("Unable to open TLS socket.\r\n");
        return -1;
    }

    // Connect to the server, including TLS handshake
    if(socket->connect(HOST_NAME, PORT, ROOT_CA_PEM) != 0) {
        printf("Failed to connect to the server.");
        return -1;
    }
    
    const size_t buf_size = 1024;
    char *buf = new char[buf_size];

    // Send HTTP request
    /* "Connection: close" header is specified to detect end of the body
     * contents by connection close notification. If this is not specified,
     * connection is kept, and need to detect end of the content in another
     * way.
     */
    int len = snprintf(buf, buf_size, 
                "GET %s HTTP/1.1\n"
                "Host: %s\n"
                "Connection: close\n"
                "\n", HTTPS_PATH, HOST_NAME);
    printf("\r\n%s", buf);
    int rc = 0;
    rc = socket->send(buf, len);
    if(rc < 0) {
        printf("send error.\r\n");
        return -1;
    }

    // Receive response from the server
    while((rc = socket->recv(buf, buf_size - 1)) > 0) {
        buf[rc] = '\0';
        printf("%s", buf);
    }
    if(rc < 0) {
        printf("\r\n! Read failed. err code = %d\r\n", rc);
    }

    // Done
    printf("HelloTSLSocket DONE.\r\n");
    delete[] buf;
    
    socket->close();
    delete socket;
}