[tor-bugs] #23480 [Core Tor/Tor]: hs: Rate limit some logs in hs-v3 subsystem

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Sep 12 13:43:02 UTC 2017

#23480: hs: Rate limit some logs in hs-v3 subsystem
 Reporter:  dgoulet          |          Owner:  (none)
     Type:  defect           |         Status:  assigned
 Priority:  Low              |      Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor     |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:  tor-hs, prop224  |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:  dgoulet          |        Sponsor:

Comment (by dgoulet):

 I would also fix a logging statement in `hs_cache.c` in the process with
 this ticket.

        char key_b64[BASE64_DIGEST256_LEN + 1];
        base64_encode(key_b64, sizeof(key_b64), (const char *) key,
                      DIGEST256_LEN, 0);
        log_info(LD_REND, "Removing v3 descriptor '%s' from HSDir cache",

 ... which prints garbage as the base64 value. We should use
 `digest256_to_base64()` here and I confirm it works.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23480#comment:1>
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