protocol_code.go

package tclientlib

const (
	IAC  = 255 // "Interpret As Command"
	DONT = 254
	DO   = 253
	WONT = 252
	WILL = 251
)

const (
	MAX_WINDOW_WIDTH  = 1<<16 - 1
	MAX_WINDOW_HEIGHT = 1<<16 - 1
)

// 参考 https://www.iana.org/assignments/telnet-options/telnet-options.xhtml
const (
	SE = 240 // Subnegotiation End

	NOP = 241 // No Operation
	DM  = 242 // Data Mark
	BRK = 243 // Break
	IP  = 244 // Interrupt process
	AO  = 245 // Abort output
	AYT = 246 // Are You There
	EC  = 247 // Erase Character
	EL  = 248 // Erase Line
	GA  = 249 // Go Ahead

	SB = 250 // Subnegotiation Begin
)

const (
	BINARY = 0  // 8-bit data path
	ECHO   = 1  // echo
	RCP    = 2  // prepare to reconnect
	SGA    = 3  // suppress go ahead
	NAMS   = 4  // approximate message size
	STATUS = 5  // give status
	TM     = 6  // timing mark
	RCTE   = 7  // remote controlled transmission and echo
	NAOL   = 8  // negotiate about output line width
	NAOP   = 9  // negotiate about output page size
	NAOCRD = 10 // negotiate about CR disposition
	NAOHTS = 11 // negotiate about horizontal tabstops
	NAOHTD = 12 // negotiate about horizontal tab disposition
	NAOFFD = 13 // negotiate about formfeed disposition
	NAOVTS = 14 // negotiate about vertical tab stops
	NAOVTD = 15 // negotiate about vertical tab disposition
	NAOLFD = 16 // negotiate about output LF disposition
	XASCII = 17 // extended ascii character set
	LOGOUT = 18 // force logout

	BM  = 19 // byte macro
	DET = 20 // data entry terminal

	SUPDUP       = 21 // supdup protocol
	SUPDUPOUTPUT = 22 // supdup output

	SNDLOC = 23 // send location
	TTYPE  = 24 // terminal type
	EOR    = 25 // end or record

	TUID = 26 // TACACS user identification

	OUTMRK = 27 // output marking

	TTYLOC       = 28 // terminal location number
	VT3270REGIME = 29 // 3270 regime
	X3PAD        = 30 // X.3 PAD

	NAWS = 31 // window size

	TSPEED         = 32 // terminal speed
	LFLOW          = 33 // remote flow control
	LINEMODE       = 34 // Linemode option
	XDISPLOC       = 35 // X Display Location
	OLD_ENVIRON    = 36 // Old - Environment variables
	AUTHENTICATION = 37 // Authenticate
	ENCRYPT        = 38 // Encryption option
	NEW_ENVIRON    = 39 // New - Environment variables
)