Don't do directory fetches before all PTs have been configured.

changes/bug11156

@@ -0,0 +1,5 @@
+  o Minor bugfixes (clients):
+    - Fix a bug where we would attempt to connect to bridges before
+      our pluggable transports were configured, which resulted in some
+      erroneous log messages. Fixes bug 11156; bugfix on
+      0.2.3.2-alpha.

src/or/microdesc.c

@@ -721,7 +721,7 @@ update_microdesc_downloads(time_t now)
   smartlist_t *missing;
   digestmap_t *pending;
 
-  if (should_delay_dir_fetches(options))
+  if (should_delay_dir_fetches(options, NULL))
     return;
   if (directory_too_idle_to_fetch_descriptors(options, now))
     return;

src/or/networkstatus.c

@@ -31,6 +31,7 @@
 #include "router.h"
 #include "routerlist.h"
 #include "routerparse.h"
+#include "transports.h"
 
 /** Map from lowercase nickname to identity digest of named server, if any. */
 static strmap_t *named_server_map = NULL;
@@ -884,14 +885,37 @@ update_consensus_networkstatus_fetch_time(time_t now)
 
 /** Return 1 if there's a reason we shouldn't try any directory
  * fetches yet (e.g. we demand bridges and none are yet known).
- * Else return 0. */
+ * Else return 0.
+
+ * If we return 1 and <b>msg_out</b> is provided, set <b>msg_out</b>
+ * to an explanation of why directory fetches are delayed. (If we
+ * return 0, we set msg_out to NULL.)
+ */
 int
-should_delay_dir_fetches(const or_options_t *options)
+should_delay_dir_fetches(const or_options_t *options, const char **msg_out)
 {
-  if (options->UseBridges && !any_bridge_descriptors_known()) {
-    log_info(LD_DIR, "delaying dir fetches (no running bridges known)");
-    return 1;
+  if (msg_out) {
+    *msg_out = NULL;
   }
+
+  if (options->UseBridges) {
+    if (!any_bridge_descriptors_known()) {
+      if (msg_out) {
+        *msg_out = "No running bridges";
+      }
+      log_info(LD_DIR, "Delaying dir fetches (no running bridges known)");
+      return 1;
+    }
+
+    if (pt_proxies_configuration_pending()) {
+      if (msg_out) {
+        *msg_out = "Pluggable transport proxies still configuring";
+      }
+      log_info(LD_DIR, "Delaying dir fetches (pt proxies still configuring)");
+      return 1;
+    }
+  }
+
   return 0;
 }
 
@@ -901,7 +925,7 @@ void
 update_networkstatus_downloads(time_t now)
 {
   const or_options_t *options = get_options();
-  if (should_delay_dir_fetches(options))
+  if (should_delay_dir_fetches(options, NULL))
     return;
   update_consensus_networkstatus_downloads(now);
   update_certificate_downloads(now);

src/or/networkstatus.h

@@ -53,7 +53,7 @@ int networkstatus_nickname_is_unnamed(const char *nickname);
 void networkstatus_consensus_download_failed(int status_code,
                                              const char *flavname);
 void update_consensus_networkstatus_fetch_time(time_t now);
-int should_delay_dir_fetches(const or_options_t *options);
+int should_delay_dir_fetches(const or_options_t *options,const char **msg_out);
 void update_networkstatus_downloads(time_t now);
 void update_certificate_downloads(time_t now);
 int consensus_is_waiting_for_certs(void);

src/or/nodelist.c

@@ -1477,6 +1477,7 @@ update_router_have_minimum_dir_info(void)
   const networkstatus_t *consensus =
     networkstatus_get_reasonably_live_consensus(now,usable_consensus_flavor());
   int using_md;
+  const char *delay_fetches_msg = NULL;
 
   if (!consensus) {
     if (!networkstatus_get_latest_consensus())
@@ -1489,10 +1490,9 @@ update_router_have_minimum_dir_info(void)
     goto done;
   }
 
-  if (should_delay_dir_fetches(get_options())) {
-    log_notice(LD_DIR, "no known bridge descriptors running yet; stalling");
-    strlcpy(dir_info_status, "No live bridge descriptors.",
-            sizeof(dir_info_status));
+  if (should_delay_dir_fetches(get_options(), &delay_fetches_msg)) {
+    log_notice(LD_DIR, "Delaying dir fetches: %s", delay_fetches_msg);
+    strlcpy(dir_info_status, "%s",  sizeof(dir_info_status));
     res = 0;
     goto done;
   }

src/or/routerlist.c

@@ -669,7 +669,7 @@ authority_certs_fetch_missing(networkstatus_t *status, time_t now)
   char id_digest_str[2*DIGEST_LEN+1];
   char sk_digest_str[2*DIGEST_LEN+1];
 
-  if (should_delay_dir_fetches(get_options()))
+  if (should_delay_dir_fetches(get_options(), NULL))
     return;
 
   pending_cert = fp_pair_map_new();
@@ -4593,7 +4593,7 @@ void
 update_router_descriptor_downloads(time_t now)
 {
   const or_options_t *options = get_options();
-  if (should_delay_dir_fetches(options))
+  if (should_delay_dir_fetches(options, NULL))
     return;
   if (!we_fetch_router_descriptors(options))
     return;
@@ -4614,7 +4614,7 @@ update_extrainfo_downloads(time_t now)
   int n_no_ei = 0, n_pending = 0, n_have = 0, n_delay = 0;
   if (! options->DownloadExtraInfo)
     return;
-  if (should_delay_dir_fetches(options))
+  if (should_delay_dir_fetches(options, NULL))
     return;
   if (!router_have_minimum_dir_info())
     return;