[Toybox] ftpget: Remove

[Rob Landley]

On 10/29/21 10:51 AM, enh via Toybox wrote:
> i don't have much of an opinion here, but i was wondering about the usefulness
> of this in a world where all the major browsers have now removed ftp support...
> is anyone likely to still be using ftp by the time toybox hits 1.0?

Other than me? (It's the only server/client protocol toybox had implemented, I
was using it to send files out of mkroot.)

I acknowledge there's a general tendency to accumulate old protocols. Busybox
has "rdate" and "sum" and "mt" and so on, all of which toybox decided against
adding. When do you remove once you've already got is an interesting question.

But right now, I have a question for you: what's the wget equivalent of
"ftpput"? How do you _upload_ a file when you remove this? This isn't even a "we
haven't got an httpd yet". Even then, how do you push a file to a server?

(Yes rsync is on the todo list, but it's post-1.0 and would depend on an
external ssh implementation. There's lots of "behind the firewall, between two
containers on the same machine, between VM and hypervisor" use cases that don't
require the connection to be encrypted, especially during development. Nice if
it CAN be, but can we provide that? If so, how? Can/should tftp do it?)

> (interesting that gnu sends you to an https server suggesting you update any
> scripts before they remove ftp completely [without giving a specific deadline],
> but libxml2 is basically just broken with current browsers.)

The gnu guys are insane, I don't consider what they do a good indicator. But
https://www.kernel.org/shutting-down-ftp-services.html meant something.

Passive ftp support is still reasonable. Non-passive ftp was always nuts: you
open a port and the server connects BACK to you. (What? Why?) There was even an
sftp that tunneled ftp via https, but as "http" being in the name of https
implied, people kinda assumed that everyone everywhere would be doing everything
over http from now own. (As insane hacks like "microsoft soap" attested
https://en.wikipedia.org/wiki/SOAP#History although that was mostly microsoft
engineers wanting to bypass firewalls and take control away from site
administrators.)

Removal of ftp support has been largely because "we have http, why open a second
port"...

Rob