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Fix a crash bug and pass down a remote reason code.

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Unexpected channel closures count as remote circ failures.
This commit is contained in:
Mike Perry 2012-11-21 16:32:38 -08:00
parent 9b40466072
commit 721f7e3751
1 changed files with 15 additions and 4 deletions
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19
src/or/circuitlist.c
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@ -1038,8 +1038,13 @@ circuit_unlink_all_from_channel(channel_t *chan, int reason)
for (circ = global_circuitlist; circ; circ = circ->next) {
int mark = 0;
if (circ->n_chan == chan) {
circuit_set_n_circid_chan(circ, 0, NULL);
mark = 1;
circuit_set_n_circid_chan(circ, 0, NULL);
mark = 1;
/* If we didn't request this closure, pass the remote
* bit to mark_for_close. */
if (chan->reason_for_closing != CHANNEL_CLOSE_REQUESTED)
reason |= END_CIRC_REASON_FLAG_REMOTE;
}
if (! CIRCUIT_IS_ORIGIN(circ)) {
or_circuit_t *or_circ = TO_OR_CIRCUIT(circ);
@ -1355,14 +1360,20 @@ circuit_mark_for_close_(circuit_t *circ, int reason, int line,
int pathbias_is_normal_close = 1;
/* FIXME: Is timestamp_dirty the right thing for these two checks?
* Should we use isolation_any_streams_attached instead? */
* Should we use isolation_any_streams_attached instead?
* isolation_any_streams_attached is not used for hidservs.. */
if (!circ->timestamp_dirty) {
if (reason & END_CIRC_REASON_FLAG_REMOTE) {
if (orig_reason & END_CIRC_REASON_FLAG_REMOTE) {
/* Unused remote circ close reasons all could be bias */
// XXX: We hit this a lot for hidserv circs with purposes:
// CIRCUIT_PURPOSE_S_CONNECT_REND (reasons: 514,517,520)
// CIRCUIT_PURPOSE_S_REND_JOINED (reasons: 514,517,520)
// == reasons: 2,3,8. Client-side timeouts?
pathbias_is_normal_close = 0;
pathbias_count_collapse(ocirc);
} else if ((reason & ~END_CIRC_REASON_FLAG_REMOTE)
== END_CIRC_REASON_CHANNEL_CLOSED &&
circ->n_chan &&
circ->n_chan->reason_for_closing
!= CHANNEL_CLOSE_REQUESTED) {
/* If we didn't close the channel ourselves, it could be bias */