sdwdate support for GETINFO "current-time/{local,utc}"

Development
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At last it seems the Tor network supports natively time queries which makes it the ideal way to check time for sdwdate.

Advantages:

*Attack surface reduced to that of the Tor daemon
*No need to worry about miantining lists of active onions or the upcoming deprecation of v2 addresses.

Minor features (control port):

Introduce GETINFO “current-time/{local,utc}” to return the local and UTC times respectively in ISO format. This helps a controller like Tor Browser detect a time-related error. Closes ticket 25511 (Expose TZ info on control port for better debugging of time errors (#25511) · Issues · Legacy / Trac · GitLab). Patch by Neel Chauhan.

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https://phabricator.whonix.org/T832

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GETINFO “current-time/{local,utc}” is unusable. They’re using C function gettimeofday. They just query the local system’s clock.

GETINFO “current-time/{local,utc}” is not using any time provided by the Tor network. The ticket discussion sounds too simple for that as well.

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Thanks for the heads up. Turns out it was much ado about nothing :confused: