Hello there, I've been trying to add support for the use of username in the implementation of MQTT in libcurl. I think I finally succeed, anyone that can give me his/her opinion is welcome. To test the correctness of this addition I made the following:
1. Ran a container of emqx/emqx listening on port 1883 2. Opened Wireshark to be able to inspect the packets sent by curl with my modifications 3. Made the request with cURL as follows: ./curl -d 94 --user lola:passwd -v mqtt://localhost:1883/curl/mqtt Some details here with this request: - The -d option, is the data to be published - In the option --user is required to be passed the password as well, but I'm not actually making use of it. - The last path is the topic to which the publisher want to publish data, in our case /curl/mqtt. In order to improve this, it would be nice to at least not be required the password to be supplied. Looking at the command line options, I don't found a way to supply just the user. In case you know, write me back, and I'll use that option instead, because this one is more appropriate for supporting user-password. After making the request with the modifications, all seems to go ok, inspecting the packets in Wireshark also seems to be good. Here's a gist with the part of the code been added and a simple modification in the mqtt_connect function. mqtt.c modified, snippet <https://gist.github.com/Gealber/f679d47e7315fd7171557b6848427f33> <https://gist.github.com/Gealber/f679d47e7315fd7171557b6848427f33> Let me know on any thoughts of how to improve this. Greetings, Gealber
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