I'm trying to implement a dynamic DNS client with lwip. The update
protocol[1] is very simple: it's HTTP based, so I thought to use
http_client.c that comes with lwip project.
Unfortunately this protocol needs the header "Authorization" in the
request. It seems http_client.c doesn't support additional headers from
"User-Agent" (customizable through macro), "Accept: */*", "Host"
(generated at run-time) and "Connection: Close".
What do you suggest to add the "Authorization" header in the request?
Note that this header isn't static, because it depends on username and
password (it must be calculated at run-time).
In my application I will use http_client.c for other connections where
"Authorization" header shouldn't be present. So this header should be
added or not at run-time for each connection.
[1] https://www.noip.com/integrate/request
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