Reset TURN port NONCE when a new socket is created.

webrtc/p2p/base/turnport.cc

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 415 matching lines @@
   LOG_J(LS_INFO, this) << "Allocating a new socket after "
                        << "STUN_ERROR_ALLOCATION_MISMATCH, retry = "
                        << allocate_mismatch_retries_ + 1;
   if (SharedSocket()) {
     ResetSharedSocket();
   } else {
     delete socket_;
   }
   socket_ = NULL;
 
+  ResetNonce();
   PrepareAddress();
   ++allocate_mismatch_retries_;
 }
 
 Connection* TurnPort::CreateConnection(const Candidate& address,
                                        CandidateOrigin origin) {
   // TURN-UDP can only connect to UDP candidates.
   if (!SupportsProtocol(address.protocol())) {
     return NULL;
   }
@@ skipping 480 matching lines @@
       response->GetByteString(STUN_ATTR_NONCE);
   if (!nonce_attr) {
     LOG(LS_ERROR) << "Missing STUN_ATTR_NONCE attribute in "
                   << "stale nonce error response.";
     return false;
   }
   set_nonce(nonce_attr->GetString());
   return true;
 }
 
+void TurnPort::ResetNonce() {
+  hash_.clear();
+  nonce_.clear();
+  realm_.clear();
+}
+
 static bool MatchesIP(TurnEntry* e, rtc::IPAddress ipaddr) {
   return e->address().ipaddr() == ipaddr;
 }
 bool TurnPort::HasPermission(const rtc::IPAddress& ipaddr) const {
   return (std::find_if(entries_.begin(), entries_.end(),
       std::bind2nd(std::ptr_fun(MatchesIP), ipaddr)) != entries_.end());
 }
 
 static bool MatchesAddress(TurnEntry* e, rtc::SocketAddress addr) {
   return e->address() == addr;
@@ skipping 560 matching lines @@
   } else {
     state_ = STATE_UNBOUND;
     port_->DestroyConnection(ext_addr_);
   }
 }
 void TurnEntry::OnChannelBindTimeout() {
   state_ = STATE_UNBOUND;
   port_->DestroyConnection(ext_addr_);
 }
 }  // namespace cricket