[tor-commits] [tor/maint-0.3.0] Report common reasons for rejecting a relay before uncommon ones

[nickm@xxxxxxxxxxxxxx]

commit ff7e8531ec44ce5ebdb7506ab3133e566fddfc20
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Tue May 9 10:28:05 2017 -0400

    Report common reasons for rejecting a relay before uncommon ones
    
    "You're running 0.2.2; upgrade!" is more sensible than "You have no
    ntor key!"
    
    Closes ticket 20270; bugfix on 0.2.9.3-alpha.
---
 changes/bug20270 |  6 ++++++
 src/or/dirserv.c | 11 ++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/changes/bug20270 b/changes/bug20270
new file mode 100644
index 000000000..d538a358d
--- /dev/null
+++ b/changes/bug20270
@@ -0,0 +1,6 @@
+  o Minor bugfixes (directory authority):
+    - When rejecting a router descriptor because the relay is running an
+      obsolete version of Tor without ntor support, warn about the obsolete
+      tor version, not the missing ntor key. Fixes bug 20270;
+      bugfix on 0.2.9.3-alpha.
+
diff --git a/src/or/dirserv.c b/src/or/dirserv.c
index fa3938b5e..0c707a92d 100644
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@@ -274,6 +274,13 @@ dirserv_router_get_status(const routerinfo_t *router, const char **msg,
     return FP_REJECT;
   }
 
+  /* Check for the more usual versions to reject a router first. */
+  const uint32_t r = dirserv_get_status_impl(d, router->nickname,
+                                             router->addr, router->or_port,
+                                             router->platform, msg, severity);
+  if (r)
+    return r;
+
   /* dirserv_get_status_impl already rejects versions older than 0.2.4.18-rc,
    * and onion_curve25519_pkey was introduced in 0.2.4.8-alpha.
    * But just in case a relay doesn't provide or lies about its version, or
@@ -324,9 +331,7 @@ dirserv_router_get_status(const routerinfo_t *router, const char **msg,
     }
   }
 
-  return dirserv_get_status_impl(d, router->nickname,
-                                 router->addr, router->or_port,
-                                 router->platform, msg, severity);
+  return 0;
 }
 
 /** Return true if there is no point in downloading the router described by



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