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