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[tor-commits] [tor/master] bridges send netinfo cells like clients on outgoing conns



commit eeb6588389397d855512c1973a9d139b55339af6
Author: Roger Dingledine <arma@xxxxxxxxxxxxxx>
Date:   Sat Oct 29 21:43:23 2011 -0400

    bridges send netinfo cells like clients on outgoing conns
    
    fixes bug 4348
---
 changes/bug4348        |    7 +++++++
 src/or/connection_or.c |    7 +++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/changes/bug4348 b/changes/bug4348
new file mode 100644
index 0000000..d2b226d
--- /dev/null
+++ b/changes/bug4348
@@ -0,0 +1,7 @@
+  Privacy fixes:
+    - Bridges no longer include their address in NETINFO cells on outgoing
+      OR connections, to allow them to blend in better with clients.
+      Removes another avenue for enumerating bridges. Reported by
+      "troll_un". Fixes bug 4348; bugfix on 0.2.0.10-alpha, when NETINFO
+      cells were introduced.
+
diff --git a/src/or/connection_or.c b/src/or/connection_or.c
index 4c0960c..202548a 100644
--- a/src/or/connection_or.c
+++ b/src/or/connection_or.c
@@ -1928,8 +1928,11 @@ connection_or_send_netinfo(or_connection_t *conn)
     return -1;
   out += len;
 
-  /* My address. */
-  if ((me = router_get_my_routerinfo())) {
+  /* My address -- only include it if I'm a public relay, or if I'm a
+   * bridge and this is an incoming connection. If I'm a bridge and this
+   * is an outgoing connection, act like a normal client and omit it. */
+  if ((public_server_mode(get_options()) || !conn->is_outgoing) &&
+      (me = router_get_my_routerinfo())) {
     tor_addr_t my_addr;
     *out++ = 1; /* only one address is supported. */
 

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