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3 Commits

Author SHA1 Message Date
Oliver Smith 1600221949 treewide: remove FSF address 
Remove the paragraph about writing to the Free Software Foundation's
mailing address. The FSF has changed addresses in the past, and may do
so again. In 2021 this is not useful, let's rather have a bit less
boilerplate at the start of source files.

Change-Id: I1f6db5f930fe97ce2336bce416470b807d7a57b7
 2021-12-14 12:22:29 +01:00
Max 9a852f2dd8 Add OpenVPN probe 
This adds support for OpenVPN status probe which uses OpenVPN's
management interface (configured via 'management 127.0.0.1 1234' in
OpenVPN's config).

The output looks as follows:
...
  OpenVPN
    127.0.0.1:1234
      status: CONNECTED
      tunnel: 10.8.0.15
      remote: 144.76.43.77:1194
    localhost:4242
      status: management interface incompatible
    127.0.0.1:4444
      status: management interface unavailable
...

We show tunnel's IP (if available) as well as remote (OpenVPN server
itself) address/port in addition to general connection status. If
management interface is unavailable it's reported as such. If we've
managed to establish connection with a given management interface but
are unable to obtain expected information than we report this
incompatibility as well.

Related: SYS#2655
Change-Id: I4493e19b9a09dcebd289457eacd1719f7f8cc31c
 2019-02-07 17:38:19 +01:00
Max 5d42b8ec98 Introduce generic host config and related helpers 
Add generic host config struct and related helpers for TCP-based probes
and use them for ctrl probe.

This will be used in follow-up patch for OpenVPN probe as well.

Change-Id: Ie321655a92cdbefbfaa056ac0d583397c83beccb
 2019-02-07 17:33:45 +01:00