[tor-bugs] #4312 [Tor Relay]: Rate limit renegotiations

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#4312: Rate limit renegotiations
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 Reporter:  asn        |          Owner:     
     Type:  defect     |         Status:  new
 Priority:  normal     |      Milestone:     
Component:  Tor Relay  |        Version:     
 Keywords:             |         Parent:     
   Points:             |   Actualpoints:     
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 Currently tor allows any number of renegotiations because:

 a) tor_tls_block_renegotiation() won't do it for rfc5746 renegotiations.
 b) The renegotiation callback which calls tor_tls_block_renegotiation() is
 only called on the first Application Data packet instead of when the
 renegotiation takes place. This is because the SSL_read() return value is
 not treated correctly.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4312>
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