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[tor-commits] [tor/master] Don't try to build descriptors when router_get_advertised_or_port()==0



commit 0e1fad648d22923d7455b94734df36585b8f624f
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Tue May 24 11:55:08 2011 -0400

    Don't try to build descriptors when router_get_advertised_or_port()==0
    
    The previous attempt was incomplete: it told us not to publish a
    descriptor, but didn't stop us from generating one.  Now we treat an
    absent OR port the same as not knowing our address.  (This means
    that when we _do_ get an OR port, we need to mark the descriptor
    dirty.)
    
    More attempt to fix bug3216.
---
 src/or/connection.c |   26 +++++++++++++++++++-------
 src/or/router.c     |    3 ++-
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/src/or/connection.c b/src/or/connection.c
index 4d3e897..a0330e9 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -1949,37 +1949,40 @@ retry_all_listeners(smartlist_t *replaced_conns,
                     smartlist_t *new_conns)
 {
   or_options_t *options = get_options();
+  int retval = 0;
+  const uint16_t old_or_port = router_get_advertised_or_port(options);
+  const uint16_t old_dir_port = router_get_advertised_dir_port(options);
 
   if (retry_listeners(CONN_TYPE_OR_LISTENER, options->ORListenAddress,
                       options->ORPort, "0.0.0.0",
                       replaced_conns, new_conns, options->ClientOnly,
                       AF_INET)<0)
-    return -1;
+    retval = -1;
   if (retry_listeners(CONN_TYPE_DIR_LISTENER, options->DirListenAddress,
                       options->DirPort, "0.0.0.0",
                       replaced_conns, new_conns, options->ClientOnly,
                       AF_INET)<0)
-    return -1;
+    retval = -1;
   if (retry_listeners(CONN_TYPE_AP_LISTENER, options->SocksListenAddress,
                       options->SocksPort, "127.0.0.1",
                       replaced_conns, new_conns, 0,
                       AF_INET)<0)
-    return -1;
+    retval = -1;
   if (retry_listeners(CONN_TYPE_AP_TRANS_LISTENER, options->TransListenAddress,
                       options->TransPort, "127.0.0.1",
                       replaced_conns, new_conns, 0,
                       AF_INET)<0)
-    return -1;
+    retval = -1;
   if (retry_listeners(CONN_TYPE_AP_NATD_LISTENER, options->NATDListenAddress,
                       options->NATDPort, "127.0.0.1",
                       replaced_conns, new_conns, 0,
                       AF_INET)<0)
-    return -1;
+    retval = -1;
   if (retry_listeners(CONN_TYPE_AP_DNS_LISTENER, options->DNSListenAddress,
                       options->DNSPort, "127.0.0.1",
                       replaced_conns, new_conns, 0,
                       AF_INET)<0)
-    return -1;
+    retval = -1;
   if (retry_listeners(CONN_TYPE_CONTROL_LISTENER,
                       options->ControlListenAddress,
                       options->ControlPort, "127.0.0.1",
@@ -1993,7 +1996,16 @@ retry_all_listeners(smartlist_t *replaced_conns,
                       AF_UNIX)<0)
     return -1;
 
-  return 0;
+  if (old_or_port != router_get_advertised_or_port(options) ||
+      old_dir_port != router_get_advertised_dir_port(options)) {
+    /* Our chosen ORPort or DirPort is not what it used to be: the
+     * descriptor we had (if any) should be regenerated.  (We won't
+     * automatically notice this because of changes in the option,
+     * since the value could be "auto".) */
+    mark_my_descriptor_dirty("Chosen Or/DirPort changed");
+  }
+
+  return retval;
 }
 
 /** Return 1 if we should apply rate limiting to <b>conn</b>,
diff --git a/src/or/router.c b/src/or/router.c
index 464cba0..5fd7b06 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -1423,7 +1423,8 @@ router_rebuild_descriptor(int force)
   if (desc_clean_since && !force)
     return 0;
 
-  if (router_pick_published_address(options, &addr) < 0) {
+  if (router_pick_published_address(options, &addr) < 0 ||
+      router_get_advertised_or_port(options) == 0) {
     /* Stop trying to rebuild our descriptor every second. We'll
      * learn that it's time to try again when ip_address_changed()
      * marks it dirty. */



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