[ Cmii ] [ Octopus ] - add all image tag back up; add socks5 proxy

2024-03-01 09:31:37 +08:00
parent 9d5ca4b50f
commit 52c360eb49
29 changed files with 2886 additions and 83 deletions
--- a/socks5_txthinking/socks5.go
+++ b/socks5_txthinking/socks5.go
@@ -0,0 +1,119 @@
+package socks5
+
+const (
+	// Ver is socks protocol version
+	Ver byte = 0x05
+
+	// MethodNone is none method
+	MethodNone byte = 0x00
+	// MethodGSSAPI is gssapi method
+	MethodGSSAPI byte = 0x01 // MUST support // todo
+	// MethodUsernamePassword is username/assword auth method
+	MethodUsernamePassword byte = 0x02 // SHOULD support
+	// MethodUnsupportAll means unsupport all given methods
+	MethodUnsupportAll byte = 0xFF
+
+	// UserPassVer is username/password auth protocol version
+	UserPassVer byte = 0x01
+	// UserPassStatusSuccess is success status of username/password auth
+	UserPassStatusSuccess byte = 0x00
+	// UserPassStatusFailure is failure status of username/password auth
+	UserPassStatusFailure byte = 0x01 // just other than 0x00
+
+	// CmdConnect is connect command
+	CmdConnect byte = 0x01
+	// CmdBind is bind command
+	CmdBind byte = 0x02
+	// CmdUDP is UDP command
+	CmdUDP byte = 0x03
+
+	// ATYPIPv4 is ipv4 address type
+	ATYPIPv4 byte = 0x01 // 4 octets
+	// ATYPDomain is domain address type
+	ATYPDomain byte = 0x03 // The first octet of the address field contains the number of octets of name that follow, there is no terminating NUL octet.
+	// ATYPIPv6 is ipv6 address type
+	ATYPIPv6 byte = 0x04 // 16 octets
+
+	// RepSuccess means that success for repling
+	RepSuccess byte = 0x00
+	// RepServerFailure means the server failure
+	RepServerFailure byte = 0x01
+	// RepNotAllowed means the request not allowed
+	RepNotAllowed byte = 0x02
+	// RepNetworkUnreachable means the network unreachable
+	RepNetworkUnreachable byte = 0x03
+	// RepHostUnreachable means the host unreachable
+	RepHostUnreachable byte = 0x04
+	// RepConnectionRefused means the connection refused
+	RepConnectionRefused byte = 0x05
+	// RepTTLExpired means the TTL expired
+	RepTTLExpired byte = 0x06
+	// RepCommandNotSupported means the request command not supported
+	RepCommandNotSupported byte = 0x07
+	// RepAddressNotSupported means the request address not supported
+	RepAddressNotSupported byte = 0x08
+)
+
+// NegotiationRequest is the negotiation reqeust packet
+type NegotiationRequest struct {
+	Ver      byte
+	NMethods byte
+	Methods  []byte // 1-255 bytes
+}
+
+// NegotiationReply is the negotiation reply packet
+type NegotiationReply struct {
+	Ver    byte
+	Method byte
+}
+
+// UserPassNegotiationRequest is the negotiation username/password reqeust packet
+type UserPassNegotiationRequest struct {
+	Ver    byte
+	Ulen   byte
+	Uname  []byte // 1-255 bytes
+	Plen   byte
+	Passwd []byte // 1-255 bytes
+}
+
+// UserPassNegotiationReply is the negotiation username/password reply packet
+type UserPassNegotiationReply struct {
+	Ver    byte
+	Status byte
+}
+
+// Request is the request packet
+type Request struct {
+	Ver     byte
+	Cmd     byte
+	Rsv     byte // 0x00
+	Atyp    byte
+	DstAddr []byte
+	DstPort []byte // 2 bytes
+}
+
+// Reply is the reply packet
+type Reply struct {
+	Ver  byte
+	Rep  byte
+	Rsv  byte // 0x00
+	Atyp byte
+	// CONNECT socks server's address which used to connect to dst addr
+	// BIND ...
+	// UDP socks server's address which used to connect to dst addr
+	BndAddr []byte
+	// CONNECT socks server's port which used to connect to dst addr
+	// BIND ...
+	// UDP socks server's port which used to connect to dst addr
+	BndPort []byte // 2 bytes
+}
+
+// Datagram is the UDP packet
+type Datagram struct {
+	Rsv     []byte // 0x00 0x00
+	Frag    byte
+	Atyp    byte
+	DstAddr []byte
+	DstPort []byte // 2 bytes
+	Data    []byte
+}