Do you have a need for using MQTT with an http proxy? Users of libcurl know that they can leverage wolfSSL to provide TLS for their applications, and thus enjoy the advantages of both libcurl for data transport and handling http proxies, and wolfSSL for transport security. In this vein, we’ve created a new network layer interface for wolfMQTT that uses libcurl’s easy interface as an optional backend. When enabled, wolfMQTT will use the libcurl easy API (such as curl_easy_send) for the socket backend, while libcurl in turn will use wolfSSL to negotiate TLS. Currently both TLS and mTLS are supported.
You can find our newly added curl easy socket example in examples/mqttnet.c. To try it out, simply build wolfMQTT with –enable-curl. The only prerequisites for this are that wolfSSL has been built with –enable-curl, and curl built with –enable-wolfssl. Supported options with wolfMQTT’s –enable-curl include multithreading (–enable-mt), nonblocking (–enable-nonblock), and as previously mentioned TLS.
If you’re curious for more details, you can look at our updated readme and pull request.
If you have questions about any of the above, please contact us at facts@wolfSSL.com or call us at +1 425 245 8247.
Download wolfSSL Now