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105 lines
2.4 KiB
105 lines
2.4 KiB
package protocol |
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import ( |
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"runtime" |
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"github.com/xtls/xray-core/common/bitmask" |
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"github.com/xtls/xray-core/common/net" |
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"github.com/xtls/xray-core/common/uuid" |
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"golang.org/x/sys/cpu" |
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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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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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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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const ( |
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// [DEPRECATED 2023-06] 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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// 0x02 legacy setting |
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RequestOptionChunkMasking bitmask.Byte = 0x04 |
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RequestOptionGlobalPadding bitmask.Byte = 0x08 |
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RequestOptionAuthenticatedLength bitmask.Byte = 0x10 |
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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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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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const ( |
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ResponseOptionConnectionReuse bitmask.Byte = 0x01 |
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) |
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type ResponseCommand interface{} |
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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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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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ValidMin byte |
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} |
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var ( |
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hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ |
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hasGCMAsmARM64 = cpu.ARM64.HasAES && cpu.ARM64.HasPMULL |
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// Keep in sync with crypto/aes/cipher_s390x.go. |
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hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasAESCTR && |
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(cpu.S390X.HasGHASH || cpu.S390X.HasAESGCM) |
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hasAESGCMHardwareSupport = runtime.GOARCH == "amd64" && hasGCMAsmAMD64 || |
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runtime.GOARCH == "arm64" && hasGCMAsmARM64 || |
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runtime.GOARCH == "s390x" && hasGCMAsmS390X |
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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 hasAESGCMHardwareSupport { |
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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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func isDomainTooLong(domain string) bool { |
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return len(domain) > 256 |
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}
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