mirror of https://github.com/v2ray/v2ray-core
				
				
				
			
		
			
				
	
	
		
			93 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
| package protocol
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| 
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| import (
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| 	"runtime"
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| 
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| 	"v2ray.com/core/common/bitmask"
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| 	"v2ray.com/core/common/net"
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| 	"v2ray.com/core/common/uuid"
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| )
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| 
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| // RequestCommand is a custom command in a proxy request.
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| type RequestCommand byte
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| 
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| const (
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| 	RequestCommandTCP = RequestCommand(0x01)
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| 	RequestCommandUDP = RequestCommand(0x02)
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| 	RequestCommandMux = RequestCommand(0x03)
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| )
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| 
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| func (c RequestCommand) TransferType() TransferType {
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| 	switch c {
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| 	case RequestCommandTCP, RequestCommandMux:
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| 		return TransferTypeStream
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| 	case RequestCommandUDP:
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| 		return TransferTypePacket
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| 	default:
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| 		return TransferTypeStream
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| 	}
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| }
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| 
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| const (
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| 	// RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
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| 	RequestOptionChunkStream bitmask.Byte = 0x01
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| 
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| 	// RequestOptionConnectionReuse indicates client side expects to reuse the connection.
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| 	RequestOptionConnectionReuse bitmask.Byte = 0x02
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| 
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| 	RequestOptionChunkMasking bitmask.Byte = 0x04
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| 
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| 	RequestOptionGlobalPadding bitmask.Byte = 0x08
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| )
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| 
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| type RequestHeader struct {
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| 	Version  byte
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| 	Command  RequestCommand
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| 	Option   bitmask.Byte
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| 	Security SecurityType
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| 	Port     net.Port
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| 	Address  net.Address
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| 	User     *MemoryUser
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| }
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| 
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| func (h *RequestHeader) Destination() net.Destination {
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| 	if h.Command == RequestCommandUDP {
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| 		return net.UDPDestination(h.Address, h.Port)
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| 	}
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| 	return net.TCPDestination(h.Address, h.Port)
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| }
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| 
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| const (
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| 	ResponseOptionConnectionReuse bitmask.Byte = 0x01
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| )
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| 
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| type ResponseCommand interface{}
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| 
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| type ResponseHeader struct {
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| 	Option  bitmask.Byte
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| 	Command ResponseCommand
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| }
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| 
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| type CommandSwitchAccount struct {
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| 	Host     net.Address
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| 	Port     net.Port
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| 	ID       uuid.UUID
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| 	Level    uint32
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| 	AlterIds uint16
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| 	ValidMin byte
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| }
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| 
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| func (sc *SecurityConfig) GetSecurityType() SecurityType {
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| 	if sc == nil || sc.Type == SecurityType_AUTO {
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| 		if runtime.GOARCH == "amd64" || runtime.GOARCH == "s390x" || runtime.GOARCH == "arm64" {
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| 			return SecurityType_AES128_GCM
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| 		}
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| 		return SecurityType_CHACHA20_POLY1305
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| 	}
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| 	return sc.Type
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| }
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| 
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| func isDomainTooLong(domain string) bool {
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| 	return len(domain) > 256
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| }
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