We so far tried to ensure a value is really an IPv6 address, in order
to avoid to mangle with just similar-looking information elements.
However, this lead to misdetection for unusual formats, e.g. when a
port is appended to a numerical IPv6 adress given without braces [].
This has been changed now. In a sense, we now prefer to err on the
side of privacy.
BEHAVIOR CHANGE:
Previously, a suspect value was not anonymized, and thus some other
elements (like some MAC addresses) preserved. Now the opposite is
true, and we anonymize anything that looks close enough to be an
IPv6 address. This improves anonymization.
closes https://github.com/rsyslog/rsyslog/issues/4725
Also now permit interactivly running tests without explicitly setting
$srcdir. This now works if we are inside ./tests and fails, as before,
when we are in a different directory.
Detected by shellcheck via CodeFactor.io
Support tools (like tcpflood) are also upgraded to support the
necessary dynamic port.s
This is part of the effort to make parallel testing possible.
We move parts of the cleanup to the buildbot cleanup, as we cannot
clean out instances on each test when we run parallel tests.
changes some of the test commands to use bash functions
includes some small bug fixes to tests where bugs were
previously not seen due to different plumbing.
