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OTA update fails in CC3200
Hi All, We are using the Dropbox API to do an OTA upgrade. We have a webclient application running on the TI microcontroller CC3200. We are using the Drop Box API from 2017 onwards, and it is wor...
Greg-DB, as you mentioned too (and now I'm pretty sure you're right) the alert is "Close Notify"! A look on the sources shows that there is no way TI client to avoid adding one more empty line at the end... modeling only confirms it. That's it.
Experimenting with other sites shows that most sites ignore additional blanks after requests.
Of course this reflects TLS traffic since TLS wraps HTTP. 🤷
Add:
Greg-DB wrote:... I don't see "Bad Request" or "400" mentioned in this thread before. ...
I'm a bit confused of above. 🤔 Did you expect to see it? If you have seen something similar somewhere it had definitely not been encrypted. 😉 Let's recall what we are talking about is encrypted piece of data! That's why it's difficult to discover such a thing on first look.
Greg-DB
Dropbox Community Moderator
Dropbox Community ModeratorThanks!
sundares80 Would you be able to modify a device you have access to in order to have it not send the additional new line as a test? If you can verify that fixes the issue, I can ask the team to look into changing the server to allow that (though please note I can't make any promises on that).
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