mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-21 16:11:31 +00:00
106 lines
2.4 KiB
Go
106 lines
2.4 KiB
Go
package protocol
|
|
|
|
import (
|
|
"runtime"
|
|
|
|
"github.com/xtls/xray-core/common/bitmask"
|
|
"github.com/xtls/xray-core/common/net"
|
|
"github.com/xtls/xray-core/common/uuid"
|
|
"golang.org/x/sys/cpu"
|
|
)
|
|
|
|
// 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 (
|
|
// [DEPRECATED 2023-06] RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
|
|
RequestOptionChunkStream bitmask.Byte = 0x01
|
|
|
|
// 0x02 legacy setting
|
|
|
|
RequestOptionChunkMasking bitmask.Byte = 0x04
|
|
|
|
RequestOptionGlobalPadding bitmask.Byte = 0x08
|
|
|
|
RequestOptionAuthenticatedLength bitmask.Byte = 0x10
|
|
)
|
|
|
|
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
|
|
ValidMin byte
|
|
}
|
|
|
|
var (
|
|
hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ
|
|
hasGCMAsmARM64 = cpu.ARM64.HasAES && cpu.ARM64.HasPMULL
|
|
// Keep in sync with crypto/aes/cipher_s390x.go.
|
|
hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasAESCTR &&
|
|
(cpu.S390X.HasGHASH || cpu.S390X.HasAESGCM)
|
|
|
|
hasAESGCMHardwareSupport = runtime.GOARCH == "amd64" && hasGCMAsmAMD64 ||
|
|
runtime.GOARCH == "arm64" && hasGCMAsmARM64 ||
|
|
runtime.GOARCH == "s390x" && hasGCMAsmS390X
|
|
)
|
|
|
|
func (sc *SecurityConfig) GetSecurityType() SecurityType {
|
|
if sc == nil || sc.Type == SecurityType_AUTO {
|
|
if hasAESGCMHardwareSupport {
|
|
return SecurityType_AES128_GCM
|
|
}
|
|
return SecurityType_CHACHA20_POLY1305
|
|
}
|
|
return sc.Type
|
|
}
|
|
|
|
func isDomainTooLong(domain string) bool {
|
|
return len(domain) > 256
|
|
}
|