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Reject relay versions older than 0.2.0.26-rc

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This was the first version to cache the correct directory information.

Fixes bug 2156.
This commit is contained in:
Nick Mathewson 2010-12-07 11:35:32 -05:00
parent 8f31a9da43
commit 5efe6f04c6
2 changed files with 8 additions and 4 deletions
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3
changes/bug2081_followup
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@ -3,4 +3,7 @@
Tor between 0.2.1.3-alpha and 0.2.1.18 inclusive; they have
known bugs that keep RELAY_EARLY cells from working on rendezvous
circuits. Followup to fix for bug 2081.
- Directory authorities now reject relays running any version of Tor
older than 0.2.0.26-rc. That is the earliest version that fetches
current directory information correctly. Fix for bug 2156.

9
src/or/dirserv.c
View File

@ -386,15 +386,16 @@ dirserv_get_status_impl(const char *id_digest, const char *nickname,
strmap_size(fingerprint_list->fp_by_name),
digestmap_size(fingerprint_list->status_by_digest));
/* Tor 0.1.2.x is pretty old, but there are a lot of them running still,
* and there aren't any critical relay-side vulnerabilities. Once more
* of them die off, we should raise this minimum to 0.2.0.x. */
if (platform && !tor_version_as_new_as(platform,"0.1.2.14")) {
/* Tor 0.2.0.26-rc is the oldest version that currently caches the right
* directory information. Once more of them die off, we should raise this
* minimum. */
if (platform && !tor_version_as_new_as(platform,"0.2.0.26-rc")) {
if (msg)
*msg = "Tor version is far too old to work.";
return FP_REJECT;
} else if (platform && tor_version_as_new_as(platform,"0.2.1.3-alpha")
&& !tor_version_as_new_as(platform, "0.2.1.19")) {
/* These versions mishandled RELAY_EARLY cells on rend circuits. */
if (msg)
*msg = "Tor version is too buggy to work.";
return FP_REJECT;