Update smbserver.py and negtelnetserver.py to be compatible with
Python 3 while staying backwards-compatible to support Python 2.
Fix string encoding and handling of echoed and transferred data.
Tested with both Python 2.7.17 and Python 3.7.7
Reported-by: Daniel Stenberg
Assisted-by: Kamil Dudka
Reviewed-by: Marcel Raad
Fixes#5104Closes#5110
FreeBSD 13.0 is apparently close to a year away from a stable release
and has proven to cause intermittent builds failures recently.
Assisted-by: Dan Fandrich
Assisted-by: Fedor Korotkov
Fixes#5028Closes#5029
Newlines aren't preserved in this section so they're needed to separate
commands. The exports luckily worked anyway as a single long line, but
erroneously exported a variable called "export"
[skip ci]
If more commits are submitted to master between the time of triggering
the first Cirrus build and the time the final build gets started, the
desired commit is no longer at HEAD and the build will error out.
[skip ci]
The build logs will be at https://cirrus-ci.com/github/curl/curl
Some tests are currently failing and so disabled for now. The SSH server
isn't starting for the SSH tests due to unsupported options used in its
config file. The DICT server also is failing on startup.
