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-rw-r--r--src/or/routerlist.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index 6d6386292f..4421d5cf81 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -3209,7 +3209,8 @@ router_add_to_routerlist(routerinfo_t *router, const char **msg,
int from_cache, int from_fetch)
{
const char *id_digest;
- int authdir = authdir_mode_handles_descs(get_options(), router->purpose);
+ or_options_t *options = get_options();
+ int authdir = authdir_mode_handles_descs(options, router->purpose);
int authdir_believes_valid = 0;
routerinfo_t *old_router;
networkstatus_t *consensus = networkstatus_get_latest_consensus();
@@ -3314,6 +3315,20 @@ router_add_to_routerlist(routerinfo_t *router, const char **msg,
return ROUTER_NOT_IN_CONSENSUS;
}
+ /* If we're reading a bridge descriptor from our cache, and we don't
+ * recognize it as one of our currently configured bridges, drop the
+ * descriptor. Otherwise we could end up using it as one of our entry
+ * guards even if it isn't in our Bridge config lines. */
+ if (router->purpose == ROUTER_PURPOSE_BRIDGE && from_cache &&
+ !authdir_mode_bridge(options) &&
+ !routerinfo_is_a_configured_bridge(router)) {
+ log_info(LD_DIR, "Dropping bridge descriptor for '%s' because we have "
+ "no bridge configured at that address.", router->nickname);
+ *msg = "Router descriptor was not a configured bridge.";
+ routerinfo_free(router);
+ return ROUTER_WAS_NOT_WANTED;
+ }
+
/* If we have a router with the same identity key, choose the newer one. */
if (old_router) {
if (!in_consensus && (router->cache_info.published_on <=