[tor-commits] [tor/master] When not an exit node, don't test for DNS hijacking.

[nickm@xxxxxxxxxxxxxx]

commit 1753975ece98f4054ec65683862db120a3b8f261
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Fri Feb 21 18:04:48 2014 +0000

    When not an exit node, don't test for DNS hijacking.
    
    Back in 5e762e6a5c0e6729bb7dbb586af2690c087d9ba8, non-exit servers
    stopped launching DNS requests for users.  So there's no need for them
    to see if their DNS answers are hijacked.
    
    Patch from Matt Pagan.  I think this is a 965 fix.
---
 changes/bug965 |    6 ++++++
 src/or/main.c  |    8 +++++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/changes/bug965 b/changes/bug965
new file mode 100644
index 0000000..d0870d0
--- /dev/null
+++ b/changes/bug965
@@ -0,0 +1,6 @@
+  o Minor bugfixes:
+
+    - Non-exit servers no longer launch mock DNS requests to check for
+      DNS hijacking.  This has been unnecessary since 0.2.1.7-alpha,
+      when non-exit servers stopped servicing DNS requests. Fixes bug
+      965; bugfix on 0.2.1.7-alpha. Patch from Matt Pagan.
diff --git a/src/or/main.c b/src/or/main.c
index a191d1c..5404e96 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -1551,10 +1551,12 @@ run_scheduled_events(time_t now)
   channel_run_cleanup();
   channel_listener_run_cleanup();
 
-  /** 9. and if we're a server, check whether our DNS is telling stories to
-   * us. */
+  /** 9. and if we're an exit node, check whether our DNS is telling stories
+   * to us. */
   if (!net_is_disabled() &&
-      public_server_mode(options) && time_to_check_for_correct_dns < now) {
+      public_server_mode(options) &&
+      time_to_check_for_correct_dns < now &&
+      ! router_my_exit_policy_is_reject_star()) {
     if (!time_to_check_for_correct_dns) {
       time_to_check_for_correct_dns = now + 60 + crypto_rand_int(120);
     } else {

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