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Ignore non-DTLS data before handshake is complete

Browse source 
https://datatracker.ietf.org/doc/html/rfc9147#name-demul
https://datatracker.ietf.org/doc/html/rfc5764#section-5.1.2

If data is received before handshake is complete, discard it rather than
forwarding it blindly to GnuTLS which can get confused.
This commit is contained in:
Stephen Paul Weber 2023-07-04 21:59:24 -05:00 committed by Marvin W
parent da383a2fe9
commit 7c048ecaef
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GPG key ID: 072E9235DB996F2A
1 changed files with 1 additions and 1 deletions
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2
plugins/ice/src/dtls_srtp.vala
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@ -46,7 +46,7 @@ public class Handler {
return srtp_session.decrypt_rtp(data);
}
if (component_id == 2) return srtp_session.decrypt_rtcp(data);
} else if (component_id == 1) {
} else if (component_id == 1 && (data[0] >= 20 && data[0] <= 63)) {
on_data_rec(data);
}
return null;