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Merge remote-tracking branch 'origin/maint-0.2.2'

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This commit is contained in:
Nick Mathewson 2011-12-28 16:52:31 -05:00
commit bfae41328e
2 changed files with 18 additions and 11 deletions
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6
changes/bug4788 Normal file
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@ -0,0 +1,6 @@
o Minor features (directory server):
- Directory servers now reject versions of Tor older than 0.2.1.30,
and Tor versions between 0.2.2.1-alpha and 0.2.2.20-alpha
(inclusive). These versions accounted for only a small fraction of
the Tor network, and have numerous known security issues. Resolves
issue #4788.

23
src/or/dirserv.c
View File

@ -388,19 +388,20 @@ 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 0.2.0.26-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")) {
/* Versions before Tor 0.2.1.30 have known security issues that
* make them unsuitable for the current network. */
if (platform && !tor_version_as_new_as(platform,"0.2.1.30")) {
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.";
*msg = "Tor version is insecure. Please upgrade!";
return FP_REJECT;
} else if (platform && tor_version_as_new_as(platform,"0.2.2.1-alpha")) {
/* Versions from 0.2.2.1-alpha...0.2.2.20-alpha have known security
* issues that make them unusable for the current network */
if (!tor_version_as_new_as(platform, "0.2.2.21-alpha")) {
if (msg)
*msg = "Tor version is insecure. Please upgrade!";
return FP_REJECT;
}
}
result = dirserv_get_name_status(id_digest, nickname);