[tor-commits] [tor/master] Don't schedule excess_renegotiations_callback unless it's set

[nickm@xxxxxxxxxxxxxx]

commit 617617e21a2d30a86cea9c8f7043333078f2e8f8
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Sun Nov 27 08:21:59 2011 -0500

    Don't schedule excess_renegotiations_callback unless it's set
    
    Partial fix for bug 4587; reported by "frosty_un".
---
 src/common/tortls.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/common/tortls.c b/src/common/tortls.c
index 0571b34..e052c85 100644
--- a/src/common/tortls.c
+++ b/src/common/tortls.c
@@ -1318,7 +1318,8 @@ tor_tls_got_client_hello(tor_tls_t *tls)
     }
 
     tls->got_renegotiate = 1;
-  } else if (tls->server_handshake_count > 2) {
+  } else if (tls->server_handshake_count > 2 &&
+             tls->excess_renegotiations_callback) {
     /* We got more than one renegotiation requests. The Tor protocol
        needs just one renegotiation; more than that probably means
        They are trying to DoS us and we have to stop them. We can't

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