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main.cpp
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main.cpp
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#include "mbed.h"
#include "mbed_trace.h"
#ifndef DEVICE_TRNG
#error "mbed-os-example-tls-socket requires a device which supports TRNG"
#else
const char cert[] = \
"-----BEGIN CERTIFICATE-----\n"
"MIIDdzCCAl+gAwIBAgIEAgAAuTANBgkqhkiG9w0BAQUFADBaMQswCQYDVQQGEwJJ\n"
"RTESMBAGA1UEChMJQmFsdGltb3JlMRMwEQYDVQQLEwpDeWJlclRydXN0MSIwIAYD\n"
"VQQDExlCYWx0aW1vcmUgQ3liZXJUcnVzdCBSb290MB4XDTAwMDUxMjE4NDYwMFoX\n"
"DTI1MDUxMjIzNTkwMFowWjELMAkGA1UEBhMCSUUxEjAQBgNVBAoTCUJhbHRpbW9y\n"
"ZTETMBEGA1UECxMKQ3liZXJUcnVzdDEiMCAGA1UEAxMZQmFsdGltb3JlIEN5YmVy\n"
"VHJ1c3QgUm9vdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKMEuyKr\n"
"mD1X6CZymrV51Cni4eiVgLGw41uOKymaZN+hXe2wCQVt2yguzmKiYv60iNoS6zjr\n"
"IZ3AQSsBUnuId9Mcj8e6uYi1agnnc+gRQKfRzMpijS3ljwumUNKoUMMo6vWrJYeK\n"
"mpYcqWe4PwzV9/lSEy/CG9VwcPCPwBLKBsua4dnKM3p31vjsufFoREJIE9LAwqSu\n"
"XmD+tqYF/LTdB1kC1FkYmGP1pWPgkAx9XbIGevOF6uvUA65ehD5f/xXtabz5OTZy\n"
"dc93Uk3zyZAsuT3lySNTPx8kmCFcB5kpvcY67Oduhjprl3RjM71oGDHweI12v/ye\n"
"jl0qhqdNkNwnGjkCAwEAAaNFMEMwHQYDVR0OBBYEFOWdWTCCR1jMrPoIVDaGezq1\n"
"BE3wMBIGA1UdEwEB/wQIMAYBAf8CAQMwDgYDVR0PAQH/BAQDAgEGMA0GCSqGSIb3\n"
"DQEBBQUAA4IBAQCFDF2O5G9RaEIFoN27TyclhAO992T9Ldcw46QQF+vaKSm2eT92\n"
"9hkTI7gQCvlYpNRhcL0EYWoSihfVCr3FvDB81ukMJY2GQE/szKN+OMY3EU/t3Wgx\n"
"jkzSswF07r51XgdIGn9w/xZchMB5hbgF/X++ZRGjD8ACtPhSNzkE1akxehi/oCr0\n"
"Epn3o0WC4zxe9Z2etciefC7IpJ5OCBRLbf1wbWsaY71k5h+3zvDyny67G7fyUIhz\n"
"ksLi4xaNmjICq44Y3ekQEe5+NauQrz4wlHrQMz2nZQ/1/I6eYs9HRCwBXbsdtTLS\n"
"R9I4LtD+gdwyah617jzV/OeBHRnDJELqYzmp\n"
"-----END CERTIFICATE-----";
int main(void)
{
char *buffer = new char[256];
nsapi_size_or_error_t result;
nsapi_size_t size;
const char query[] = "GET / HTTP/1.1\r\nHost: ifconfig.io\r\nConnection: close\r\n\r\n";
mbed_trace_init();
printf("TLSSocket Example.\n");
printf("Mbed OS version: %d.%d.%d\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
NetworkInterface *net = NetworkInterface::get_default_instance();
if (!net) {
printf("Error! No network inteface found.\n");
return 0;
}
printf("Connecting to network\n");
result = net->connect();
if (result != NSAPI_ERROR_OK) {
printf("Error! net->connect() returned: %d\n", result);
return result;
}
printf("Connecting to ifconfig.io\n");
SocketAddress addr;
result = net->gethostbyname("ifconfig.io", &addr);
if (result != NSAPI_ERROR_OK) {
printf("Error! DNS resolution for ifconfig.io failed with %d\n", result);
}
addr.set_port(443);
TLSSocket *socket = new TLSSocket;
result = socket->open(net);
if (result != NSAPI_ERROR_OK) {
printf("Error! socket->open() returned: %d\n", result);
return result;
}
socket->set_hostname("ifconfig.io");
result = socket->set_root_ca_cert(cert);
if (result != NSAPI_ERROR_OK) {
printf("Error: socket->set_root_ca_cert() returned %d\n", result);
return result;
}
result = socket->connect(addr);
if (result != NSAPI_ERROR_OK) {
printf("Error! socket->connect() returned: %d\n", result);
goto DISCONNECT;
}
// Send a simple http request
size = strlen(query);
result = socket->send(query, size);
if (result != size) {
printf("Error! socket->send() returned: %d\n", result);
goto DISCONNECT;
}
// Receieve an HTTP response and print out the response line
while ((result = socket->recv(buffer, 255)) > 0) {
buffer[result] = 0;
printf("%s", buffer);
}
printf("\n");
if (result < 0) {
printf("Error! socket->recv() returned: %d\n", result);
goto DISCONNECT;
}
DISCONNECT:
delete[] buffer;
// Close the socket to return its memory
socket->close();
delete socket;
// Bring down the network interface
net->disconnect();
printf("Done\n");
}
#endif