Merge pull request #11 from SeppoTakalo/TLSSocket

Add TLSSocket example

Author: Seppo Takalo

TLSSocket/main.cpp

@@ -0,0 +1,106 @@
+#include "mbed.h"
+#include "mbed_trace.h"
+
+const char cert[] = \
+    "-----BEGIN CERTIFICATE-----\n"
+    "MIIENjCCAx6gAwIBAgIBATANBgkqhkiG9w0BAQUFADBvMQswCQYDVQQGEwJTRTEU\n"
+    "MBIGA1UEChMLQWRkVHJ1c3QgQUIxJjAkBgNVBAsTHUFkZFRydXN0IEV4dGVybmFs\n"
+    "IFRUUCBOZXR3b3JrMSIwIAYDVQQDExlBZGRUcnVzdCBFeHRlcm5hbCBDQSBSb290\n"
+    "MB4XDTAwMDUzMDEwNDgzOFoXDTIwMDUzMDEwNDgzOFowbzELMAkGA1UEBhMCU0Ux\n"
+    "FDASBgNVBAoTC0FkZFRydXN0IEFCMSYwJAYDVQQLEx1BZGRUcnVzdCBFeHRlcm5h\n"
+    "bCBUVFAgTmV0d29yazEiMCAGA1UEAxMZQWRkVHJ1c3QgRXh0ZXJuYWwgQ0EgUm9v\n"
+    "dDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALf3GjPm8gAELTngTlvt\n"
+    "H7xsD821+iO2zt6bETOXpClMfZOfvUq8k+0DGuOPz+VtUFrWlymUWoCwSXrbLpX9\n"
+    "uMq/NzgtHj6RQa1wVsfwTz/oMp50ysiQVOnGXw94nZpAPA6sYapeFI+eh6FqUNzX\n"
+    "mk6vBbOmcZSccbNQYArHE504B4YCqOmoaSYYkKtMsE8jqzpPhNjfzp/haW+710LX\n"
+    "a0Tkx63ubUFfclpxCDezeWWkWaCUN/cALw3CknLa0Dhy2xSoRcRdKn23tNbE7qzN\n"
+    "E0S3ySvdQwAl+mG5aWpYIxG3pzOPVnVZ9c0p10a3CitlttNCbxWyuHv77+ldU9U0\n"
+    "WicCAwEAAaOB3DCB2TAdBgNVHQ4EFgQUrb2YejS0Jvf6xCZU7wO94CTLVBowCwYD\n"
+    "VR0PBAQDAgEGMA8GA1UdEwEB/wQFMAMBAf8wgZkGA1UdIwSBkTCBjoAUrb2YejS0\n"
+    "Jvf6xCZU7wO94CTLVBqhc6RxMG8xCzAJBgNVBAYTAlNFMRQwEgYDVQQKEwtBZGRU\n"
+    "cnVzdCBBQjEmMCQGA1UECxMdQWRkVHJ1c3QgRXh0ZXJuYWwgVFRQIE5ldHdvcmsx\n"
+    "IjAgBgNVBAMTGUFkZFRydXN0IEV4dGVybmFsIENBIFJvb3SCAQEwDQYJKoZIhvcN\n"
+    "AQEFBQADggEBALCb4IUlwtYj4g+WBpKdQZic2YR5gdkeWxQHIzZlj7DYd7usQWxH\n"
+    "YINRsPkyPef89iYTx4AWpb9a/IfPeHmJIZriTAcKhjW88t5RxNKWt9x+Tu5w/Rw5\n"
+    "6wwCURQtjr0W4MHfRnXnJK3s9EK0hZNwEGe6nQY1ShjTK3rMUUKhemPR5ruhxSvC\n"
+    "Nr4TDea9Y355e6cJDUCrat2PisP29owaQgVR1EX1n6diIWgVIEM8med8vSTYqZEX\n"
+    "c4g/VhsxOBi0cQ+azcgOno4uG+GMmIPLHzHxREzGBHNJdmAPx/i9F4BrLunMTA5a\n"
+    "mnkPIAou1Z5jJh5VkpTYghdae9C8x49OhgQ=\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: api.ipify.org\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 != 0) {
+        printf("Error! net->connect() returned: %d\n", result);
+        return result;
+    }
+
+    TLSSocket *socket = new TLSSocket;
+    result = socket->set_root_ca_cert(cert);
+    if (result != 0) {
+        printf("Error: socket->set_root_ca_cert() returned %d\n", result);
+        return result;
+    }
+
+    result = socket->open(net);
+    if (result != 0) {
+        printf("Error! socket->open() returned: %d\n", result);
+        return result;
+    }
+
+    printf("Connecting to api.ipify.org\n");
+    result = socket->connect("api.ipify.org", 443);
+    if (result != 0) {
+        printf("Error! socket->connect() returned: %d\n", result);
+        goto DISCONNECT;
+    }
+
+    // Send a simple http request
+    size = strlen(query);
+    result = socket->send(query+result, 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 and bring down the network interface
+    socket->close();
+
+    // Bring down the ethernet interface
+    net->disconnect();
+    printf("Done\n");
+}

TLSSocket/mbed-os.lib

@@ -0,0 +1 @@
+https://github.com/ARMmbed/mbed-os/#bf6f2c3c6434a6de9eb9511feffa5948b3d1f20f

TLSSocket/mbed_app.json

@@ -0,0 +1,10 @@
+{
+    "macros": ["MBEDTLS_SHA1_C"],
+    "target_overrides": {
+        "*": {
+            "platform.stdio-convert-newlines": true,
+            "mbed-trace.enable": 1,
+            "rtos.main-thread-stack-size": 8192
+        }
+    }
+}