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Adjust Trojan over XTLS

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RPRX 2020-10-21 09:32:16 +00:00 committed by GitHub
parent 358810b37f
commit c325faef38
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 13 additions and 14 deletions
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11
proxy/trojan/client.go
View File

@ -100,26 +100,27 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
if destination.Address.Family().IsDomain() && destination.Address.Domain() == muxCoolAddress { if destination.Address.Family().IsDomain() && destination.Address.Domain() == muxCoolAddress {
return newError(account.Flow + " doesn't support Mux").AtWarning() return newError(account.Flow + " doesn't support Mux").AtWarning()
} }
if destination.Network == net.Network_UDP { if destination.Network == net.Network_UDP {
if !allowUDP443 && destination.Port == 443 { if !allowUDP443 && destination.Port == 443 {
return newError(account.Flow + " stopped UDP/443").AtInfo() return newError(account.Flow + " stopped UDP/443").AtInfo()
} }
} else { // enable XTLS only if making TCP request } else { // enable XTLS only if making TCP request
if xtlsConn, ok := iConn.(*xtls.Conn); ok { if xtlsConn, ok := iConn.(*xtls.Conn); ok {
connWriter.Flow = account.Flow
xtlsConn.RPRX = true xtlsConn.RPRX = true
connWriter.Flow = account.Flow
if account.Flow == XRD { if account.Flow == XRD {
xtlsConn.DirectMode = true xtlsConn.DirectMode = true
} }
} else { } else {
return newError(`failed to enable XTLS, maybe "security" is not "xtls"`).AtWarning() return newError(`failed to use ` + account.Flow + `, maybe "security" is not "xtls"`).AtWarning()
} }
} }
case "": case "":
if _, ok := iConn.(*xtls.Conn); ok {
panic(`To avoid misunderstanding, you must fill in Trojan "flow" when using XTLS.`)
}
default: default:
return newError("unsupported flow type: ", account.Flow).AtWarning() return newError("unsupported flow " + account.Flow).AtWarning()
} }
sessionPolicy := c.policyManager.ForLevel(user.Level) sessionPolicy := c.policyManager.ForLevel(user.Level)

8
proxy/trojan/protocol.go
View File

@ -21,17 +21,17 @@ var (
const ( const (
maxLength = 8192 maxLength = 8192
// XRO is constant for XTLS origin mode
XRO = "xtls-rprx-origin"
// XRD is constant for XTLS direct mode // XRD is constant for XTLS direct mode
XRD = "xtls-rprx-direct" XRD = "xtls-rprx-direct"
// XRO is constant for XTLS origin mode
XRO = "xtls-rprx-origin"
commandTCP byte = 1 commandTCP byte = 1
commandUDP byte = 3 commandUDP byte = 3
// for xtls // for XTLS
commandXRD byte = 0xf0 // XTLS direct mode
commandXRO byte = 0xf1 // XTLS origin mode commandXRO byte = 0xf1 // XTLS origin mode
commandXRD byte = 0xf2 // XTLS direct mode
) )
// ConnWriter is TCP Connection Writer Wrapper for trojan protocol // ConnWriter is TCP Connection Writer Wrapper for trojan protocol

8
proxy/trojan/server.go
View File

@ -194,24 +194,22 @@ func (s *Server) Process(ctx context.Context, network net.Network, conn internet
case XRO, XRD: case XRO, XRD:
if account.Flow == clientReader.Flow { if account.Flow == clientReader.Flow {
if destination.Address.Family().IsDomain() && destination.Address.Domain() == muxCoolAddress { if destination.Address.Family().IsDomain() && destination.Address.Domain() == muxCoolAddress {
return newError("XTLS doesn't support Mux").AtWarning() return newError(clientReader.Flow + " doesn't support Mux").AtWarning()
} }
if xtlsConn, ok := iConn.(*xtls.Conn); ok { if xtlsConn, ok := iConn.(*xtls.Conn); ok {
xtlsConn.RPRX = true xtlsConn.RPRX = true
if clientReader.Flow == XRD { if clientReader.Flow == XRD {
xtlsConn.DirectMode = true xtlsConn.DirectMode = true
} }
} else { } else {
return newError(`failed to enable XTLS, maybe "security" is not "xtls"`).AtWarning() return newError(`failed to use ` + clientReader.Flow + `, maybe "security" is not "xtls"`).AtWarning()
} }
} else { } else {
return newError("unable to use ", clientReader.Flow).AtWarning() return newError("unable to use ", clientReader.Flow).AtWarning()
} }
case "": case "":
default: default:
return newError("unsupported flow type: ", account.Flow).AtWarning() return newError("unsupported flow " + account.Flow).AtWarning()
} }
ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{ ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{