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authorNick Mathewson <nickm@torproject.org>2017-02-07 09:22:31 -0500
committerNick Mathewson <nickm@torproject.org>2017-02-07 09:22:31 -0500
commitdff390dcc73d0af3fc1322e035f1021b988232bf (patch)
treec33000713eed59c2ca4a8a376c7dc9a262f3ae53
parent3e5b1c2d95d2270d2e7b9e137c5ec04e0e534659 (diff)
parent6ff7850f2617a0e565c2fd13deb5aaebf39e974a (diff)
downloadtor-dff390dcc73d0af3fc1322e035f1021b988232bf.tar.gz
tor-dff390dcc73d0af3fc1322e035f1021b988232bf.zip
Merge branch 'bug21108_029' into maint-0.2.9
-rw-r--r--changes/bug21108_0296
-rw-r--r--src/or/dirserv.c6
2 files changed, 11 insertions, 1 deletions
diff --git a/changes/bug21108_029 b/changes/bug21108_029
new file mode 100644
index 0000000000..3a3f004fc6
--- /dev/null
+++ b/changes/bug21108_029
@@ -0,0 +1,6 @@
+ o Major bugfixes (directory authority):
+ - During voting, when marking a node as a probable sybil, do not
+ clear its BadExit flag: sybils can still be bad in other ways
+ too. (We still clear the other flags.) Fixes bug 21108; bugfix
+ on 0.2.0.13-alpha.
+
diff --git a/src/or/dirserv.c b/src/or/dirserv.c
index 34db06355b..1b614b949e 100644
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@@ -2233,13 +2233,17 @@ dirserv_set_routerstatus_testing(routerstatus_t *rs)
/** Routerstatus <b>rs</b> is part of a group of routers that are on
* too narrow an IP-space. Clear out its flags: we don't want people
* using it.
+ *
+ * Leave its BadExit flag alone though, since if we think it's a bad exit,
+ * we want to vote that way in case all the other authorities are voting
+ * Running and Exit.
*/
static void
clear_status_flags_on_sybil(routerstatus_t *rs)
{
rs->is_authority = rs->is_exit = rs->is_stable = rs->is_fast =
rs->is_flagged_running = rs->is_named = rs->is_valid =
- rs->is_hs_dir = rs->is_possible_guard = rs->is_bad_exit = 0;
+ rs->is_hs_dir = rs->is_v2_dir = rs->is_possible_guard = 0;
/* FFFF we might want some mechanism to check later on if we
* missed zeroing any flags: it's easy to add a new flag but
* forget to add it to this clause. */