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-rw-r--r--src/or/reasons.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/src/or/reasons.c b/src/or/reasons.c
index a04cd869a2..874a86774b 100644
--- a/src/or/reasons.c
+++ b/src/or/reasons.c
@@ -300,8 +300,13 @@ errno_to_orconn_end_reason(int e)
const char *
circuit_end_reason_to_control_string(int reason)
{
- if (reason >= 0 && reason & END_CIRC_REASON_FLAG_REMOTE)
+ int is_remote = 0;
+
+ if (reason >= 0 && reason & END_CIRC_REASON_FLAG_REMOTE) {
reason &= ~END_CIRC_REASON_FLAG_REMOTE;
+ is_remote = 1;
+ }
+
switch (reason) {
case END_CIRC_AT_ORIGIN:
/* This shouldn't get passed here; it's a catch-all reason. */
@@ -338,7 +343,18 @@ circuit_end_reason_to_control_string(int reason)
case END_CIRC_REASON_MEASUREMENT_EXPIRED:
return "MEASUREMENT_EXPIRED";
default:
- log_warn(LD_BUG, "Unrecognized reason code %d", (int)reason);
+ if (is_remote) {
+ /*
+ * If it's remote, it's not a bug *here*, so don't use LD_BUG, but
+ * do note that the someone we're talking to is speaking the Tor
+ * protocol with a weird accent.
+ */
+ log_warn(LD_PROTOCOL,
+ "Remote server sent bogus reason code %d", reason);
+ } else {
+ log_warn(LD_BUG,
+ "Unrecognized reason code %d", reason);
+ }
return NULL;
}
}