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dir auths reject 0.2.9.x for x<5, due to bug 20499

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Directory authorities now reject relays running versions
0.2.9.1-alpha through 0.2.9.4-alpha, because those relays
suffer from bug 20499 and don't keep their consensus cache
up-to-date.

Resolves ticket 20509.
This commit is contained in:
Roger Dingledine 2017-05-21 02:05:32 -04:00 committed by Nick Mathewson
parent a7bcab2639
commit 6e5486b11a
2 changed files with 16 additions and 0 deletions
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5
changes/bug20509 Normal file
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@ -0,0 +1,5 @@
o Minor features:
- Directory authorities now reject relays running versions
0.2.9.1-alpha through 0.2.9.4-alpha, because those relays
suffer from bug 20499 and don't keep their consensus cache
up-to-date. Resolves ticket 20509.

11
src/or/dirserv.c
View File

@ -383,6 +383,17 @@ dirserv_get_status_impl(const char *id_digest, const char *nickname,
return FP_REJECT;
}
/* Tor 0.2.9.x where x<5 suffers from bug #20499, where relays don't
* keep their consensus up to date so they make bad guards.
* The simple fix is to just drop them from the network. */
if (platform &&
tor_version_as_new_as(platform,"0.2.9.0-alpha") &&
!tor_version_as_new_as(platform,"0.2.9.5-alpha")) {
if (msg)
*msg = "Tor version contains bug 20499. Please upgrade!";
return FP_REJECT;
}
status_by_digest = digestmap_get(fingerprint_list->status_by_digest,
id_digest);
if (status_by_digest)