Commit fd2954d0 authored by Nick Mathewson's avatar Nick Mathewson 🦀
Browse files

Round down hidden service descriptor publication times to nearest hour 

Implements part of proposal 222.  We can do this safely, since
REND_CACHE_MAX_SKEW is 24 hours.
parent accadd87

changes/no_client_timestamps_024

+2 −0
Original line number Diff line number Diff line
@@ -10,3 +10,5 @@ 
    - Stop sending timestamps in AUTHENTICATE cells. This is not such

      a big deal from a security point of view, but it achieves no actual

      good purpose, and isn't needed. Implements part of proposal 222.

    - Reduce down accuracy of timestamps in hidden service descriptors.

      Implements part of proposal 222.

src/or/rendservice.c

+1 −0
Original line number Diff line number Diff line
@@ -593,6 +593,7 @@ rend_service_update_descriptor(rend_service_t *service) 
  d = service->desc = tor_malloc_zero(sizeof(rend_service_descriptor_t));

  d->pk = crypto_pk_dup_key(service->private_key);

  d->timestamp = time(NULL);

  d->timestamp -= d->timestamp % 3600; /* Round down to nearest hour */

  d->intro_nodes = smartlist_new();

  /* Support intro protocols 2 and 3. */

  d->protocols = (1 << 2) + (1 << 3);