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log the encryption level of sent and received packets

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This commit is contained in:
Marten Seemann
2017-02-24 16:03:26 +07:00
parent 1bd1a9e0e5
commit b84e945868
3 changed files with 35 additions and 4 deletions
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12
protocol/encryption_level.go
View File

@@ -14,3 +14,15 @@ const (
// EncryptionForwardSecure is forward secure
EncryptionForwardSecure
)
func (e EncryptionLevel) String() string {
switch e {
case EncryptionUnencrypted:
return "unencrypted"
case EncryptionSecure:
return "encrypted (not forward-secure)"
case EncryptionForwardSecure:
return "forward-secure"
}
return "unknown"
}

15
protocol/encryption_level_test.go Normal file
View File

@@ -0,0 +1,15 @@
package protocol
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Encryption Level", func() {
It("has the correct string representation", func() {
Expect(EncryptionUnspecified.String()).To(Equal("unknown"))
Expect(EncryptionUnencrypted.String()).To(Equal("unencrypted"))
Expect(EncryptionSecure.String()).To(Equal("encrypted (not forward-secure)"))
Expect(EncryptionForwardSecure.String()).To(Equal("forward-secure"))
})
})

12
session.go
View File

@@ -320,11 +320,15 @@ func (s *session) handlePacketImpl(p *receivedPacket) error {
s.largestRcvdPacketNumber,
hdr.PacketNumber,
)
if utils.Debug() {
utils.Debugf("<- Reading packet 0x%x (%d bytes) for connection %x @ %s", hdr.PacketNumber, len(data)+len(hdr.Raw), hdr.ConnectionID, time.Now().Format("15:04:05.000"))
}
packet, err := s.unpacker.Unpack(hdr.Raw, hdr, data)
if utils.Debug() {
if err != nil {
utils.Debugf("<- Reading packet 0x%x (%d bytes) for connection %x @ %s", hdr.PacketNumber, len(data)+len(hdr.Raw), hdr.ConnectionID, time.Now().Format("15:04:05.000"))
} else {
utils.Debugf("<- Reading packet 0x%x (%d bytes) for connection %x, %s @ %s", hdr.PacketNumber, len(data)+len(hdr.Raw), hdr.ConnectionID, packet.encryptionLevel, time.Now().Format("15:04:05.000"))
}
}
// if the decryption failed, this might be a packet sent by an attacker
// don't update the remote address
if quicErr, ok := err.(*qerr.QuicError); ok && quicErr.ErrorCode == qerr.DecryptionFailure {
@@ -653,7 +657,7 @@ func (s *session) logPacket(packet *packedPacket) {
return
}
if utils.Debug() {
utils.Debugf("-> Sending packet 0x%x (%d bytes) @ %s", packet.number, len(packet.raw), time.Now().Format("15:04:05.000"))
utils.Debugf("-> Sending packet 0x%x (%d bytes), %s, @ %s", packet.number, len(packet.raw), packet.encryptionLevel, time.Now().Format("15:04:05.000"))
for _, frame := range packet.frames {
frames.LogFrame(frame, true)
}