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authorNick Mathewson <nickm@torproject.org>2014-02-11 18:55:26 -0500
committerNick Mathewson <nickm@torproject.org>2014-02-11 18:55:26 -0500
commit8836c1ee2f460422a688781c79760652524c3d6e (patch)
tree92a27b535e00d589512be02f318dc27b708cc45b
parent7f6aa780e3183f34b2fa771e17813018e6b28115 (diff)
parentb15f75b63266742aa6aa358c553799a31f0b350e (diff)
downloadtor-8836c1ee2f460422a688781c79760652524c3d6e.tar
tor-8836c1ee2f460422a688781c79760652524c3d6e.tar.gz
Merge remote-tracking branch 'public/bug10777_nointernal_024' into maint-0.2.4
-rw-r--r--changes/bug10777_internal_0244
-rw-r--r--src/or/relay.c6
2 files changed, 8 insertions, 2 deletions
diff --git a/changes/bug10777_internal_024 b/changes/bug10777_internal_024
new file mode 100644
index 000000000..4544147f6
--- /dev/null
+++ b/changes/bug10777_internal_024
@@ -0,0 +1,4 @@
+ o Major bugfixes:
+ - Do not treat END_STREAM_REASON_INTERNAL as indicating a definite
+ circuit failure, since it could also indicate an ENETUNREACH
+ error. Fixes part of bug 10777; bugfix on 0.2.4.8-alpha.
diff --git a/src/or/relay.c b/src/or/relay.c
index 63119cbf0..57633f86a 100644
--- a/src/or/relay.c
+++ b/src/or/relay.c
@@ -731,13 +731,15 @@ connection_ap_process_end_not_open(
if (rh->length > 0) {
if (reason == END_STREAM_REASON_TORPROTOCOL ||
- reason == END_STREAM_REASON_INTERNAL ||
reason == END_STREAM_REASON_DESTROY) {
- /* All three of these reasons could mean a failed tag
+ /* Both of these reasons could mean a failed tag
* hit the exit and it complained. Do not probe.
* Fail the circuit. */
circ->path_state = PATH_STATE_USE_FAILED;
return -END_CIRC_REASON_TORPROTOCOL;
+ } else if (reason == END_STREAM_REASON_INTERNAL) {
+ /* We can't infer success or failure, since older Tors report
+ * ENETUNREACH as END_STREAM_REASON_INTERNAL. */
} else {
/* Path bias: If we get a valid reason code from the exit,
* it wasn't due to tagging.