[WebRTC] Port some upstream sctp fixes

- add SCTP auth token boundary check.
- turn off SCTP auth and address reconfiguration.

1 files changed, 7 insertions, 0 deletions

diff --git a/netwerk/sctp/datachannel/DataChannel.cpp b/netwerk/sctp/datachannel/DataChannel.cpp
index 19be43d1c..4797353ca 100644
--- a/netwerk/sctp/datachannel/DataChannel.cpp
+++ b/netwerk/sctp/datachannel/DataChannel.cpp
@@ -354,6 +354,13 @@ DataChannelConnection::Init(unsigned short aPort, uint16_t aNumStreams, bool aUs
       usrsctp_sysctl_set_sctp_blackhole(2);
       // ECN is currently not supported by the Firefox code
       usrsctp_sysctl_set_sctp_ecn_enable(0);
+
+      // Disabling authentication and dynamic address reconfiguration as neither
+      // of them are used for data channel and only result in additional code
+      // paths being used.
+      usrsctp_sysctl_set_sctp_asconf_enable(0);
+      usrsctp_sysctl_set_sctp_auth_enable(0);
+
       sctp_initialized = true;
 
       RefPtr<DataChannelShutdown> shutdown = new DataChannelShutdown();