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387c28d707
There are two checks that need to be performed: 1. the crypto stream must not have any more data queued for reading 2. when receiving CRYPTO frames for that crypto stream afterwards, they must not exceed the highest offset received on that stream
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package handshake
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import (
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"crypto/x509"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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"github.com/marten-seemann/qtls"
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)
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// Opener opens a packet
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type Opener interface {
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Open(dst, src []byte, packetNumber protocol.PacketNumber, associatedData []byte) ([]byte, error)
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}
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// Sealer seals a packet
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type Sealer interface {
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Seal(dst, src []byte, packetNumber protocol.PacketNumber, associatedData []byte) []byte
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Overhead() int
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}
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// A tlsExtensionHandler sends and received the QUIC TLS extension.
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type tlsExtensionHandler interface {
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GetExtensions(msgType uint8) []qtls.Extension
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ReceivedExtensions(msgType uint8, exts []qtls.Extension) error
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}
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type baseCryptoSetup interface {
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RunHandshake() error
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ConnectionState() ConnectionState
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GetSealer() (protocol.EncryptionLevel, Sealer)
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GetSealerWithEncryptionLevel(protocol.EncryptionLevel) (Sealer, error)
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}
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// CryptoSetup is the crypto setup used by gQUIC
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type CryptoSetup interface {
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baseCryptoSetup
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GetSealerForCryptoStream() (protocol.EncryptionLevel, Sealer)
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Open(dst, src []byte, pn protocol.PacketNumber, ad []byte) ([]byte, protocol.EncryptionLevel, error)
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}
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// CryptoSetupTLS is the crypto setup used by IETF QUIC
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type CryptoSetupTLS interface {
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baseCryptoSetup
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HandleMessage([]byte, protocol.EncryptionLevel) bool
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OpenInitial(dst, src []byte, pn protocol.PacketNumber, ad []byte) ([]byte, error)
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OpenHandshake(dst, src []byte, pn protocol.PacketNumber, ad []byte) ([]byte, error)
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Open1RTT(dst, src []byte, pn protocol.PacketNumber, ad []byte) ([]byte, error)
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}
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// ConnectionState records basic details about the QUIC connection.
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// Warning: This API should not be considered stable and might change soon.
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type ConnectionState struct {
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HandshakeComplete bool // handshake is complete
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ServerName string // server name requested by client, if any (server side only)
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PeerCertificates []*x509.Certificate // certificate chain presented by remote peer
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}
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