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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package term
const (
// Terminal attribute types.
sshIflag = iota
sshOflag
sshCflag
sshLflag
sshCchar
sshTspeed
sshNOP
// SSH terminal attributes.
sshTTYOPEND = 0
sshVINTR = 1
sshVQUIT = 2
sshVERASE = 3
sshVKILL = 4
sshVEOF = 5
sshVEOL = 6
sshVEOL2 = 7
sshVSTART = 8
sshVSTOP = 9
sshVSUSP = 10
sshVDSUSP = 11
sshVREPRINT = 12
sshVWERASE = 13
sshVLNEXT = 14
sshVFLUSH = 15
sshVSWTCH = 16
sshVSTATUS = 17
sshVDISCARD = 18
sshIGNPAR = 30
sshPARMRK = 31
sshINPCK = 32
sshISTRIP = 33
sshINLCR = 34
sshIGNCR = 35
sshICRNL = 36
sshIUCLC = 37
sshIXON = 38
sshIXANY = 39
sshIXOFF = 40
sshIMAXBEL = 41
sshISIG = 50
sshICANON = 51
sshXCASE = 52
sshECHO = 53
sshECHOE = 54
sshECHOK = 55
sshECHONL = 56
sshNOFLSH = 57
sshTOSTOP = 58
sshIEXTEN = 59
sshECHOCTL = 60
sshECHOKE = 61
sshPENDIN = 62
sshOPOST = 70
sshOLCUC = 71
sshONLCR = 72
sshOCRNL = 73
sshONOCR = 74
sshONLRET = 75
sshCS7 = 90
sshCS8 = 91
sshPARENB = 92
sshPARODD = 93
sshTTYOPISPEED = 128
sshTTYOPOSPEED = 129
)
var convertSSH = map[uint8]struct {
tType uint
native uint32
}{
sshTTYOPEND: {tType: sshNOP},
sshVINTR: {tType: sshCchar, native: VINTR},
sshVQUIT: {tType: sshCchar, native: VQUIT},
sshVERASE: {tType: sshCchar, native: VERASE},
sshVKILL: {tType: sshCchar, native: VKILL},
sshVEOF: {tType: sshCchar, native: VEOF},
sshVEOL: {tType: sshCchar, native: VEOL},
sshVEOL2: {tType: sshCchar, native: VEOL2},
sshVSTART: {tType: sshCchar, native: VSTART},
sshVSTOP: {tType: sshCchar, native: VSTOP},
sshVSUSP: {tType: sshCchar, native: VSUSP},
sshVDSUSP: {tType: sshCchar, native: sshNOP},
sshVREPRINT: {tType: sshCchar, native: VREPRINT},
sshVWERASE: {tType: sshCchar, native: VWERASE},
sshVLNEXT: {tType: sshCchar, native: VLNEXT},
sshVFLUSH: {tType: sshNOP},
sshVSWTCH: {tType: sshCchar, native: VSWTC},
sshVSTATUS: {tType: sshNOP},
sshVDISCARD: {tType: sshCchar, native: VDISCARD},
sshIGNPAR: {tType: sshIflag, native: IGNPAR},
sshPARMRK: {tType: sshIflag, native: PARMRK},
sshINPCK: {tType: sshIflag, native: INPCK},
sshISTRIP: {tType: sshIflag, native: ISTRIP},
sshINLCR: {tType: sshIflag, native: INLCR},
sshIGNCR: {tType: sshIflag, native: IGNCR},
sshICRNL: {tType: sshIflag, native: ICRNL},
sshIUCLC: {tType: sshIflag, native: IUCLC},
sshIXON: {tType: sshIflag, native: IXON},
sshIXANY: {tType: sshIflag, native: IXANY},
sshIXOFF: {tType: sshIflag, native: IXOFF},
sshIMAXBEL: {tType: sshIflag, native: IMAXBEL},
sshISIG: {tType: sshLflag, native: ISIG},
sshICANON: {tType: sshLflag, native: ICANON},
sshXCASE: {tType: sshLflag, native: XCASE},
sshECHO: {tType: sshLflag, native: ECHO},
sshECHOE: {tType: sshLflag, native: ECHOE},
sshECHOK: {tType: sshLflag, native: ECHOK},
sshECHONL: {tType: sshLflag, native: ECHONL},
sshNOFLSH: {tType: sshLflag, native: NOFLSH},
sshTOSTOP: {tType: sshLflag, native: TOSTOP},
sshIEXTEN: {tType: sshLflag, native: IEXTEN},
sshECHOCTL: {tType: sshLflag, native: ECHOCTL},
sshECHOKE: {tType: sshLflag, native: ECHOKE},
sshPENDIN: {tType: sshNOP},
sshOPOST: {tType: sshOflag, native: OPOST},
sshOLCUC: {tType: sshOflag, native: OLCUC},
sshONLCR: {tType: sshOflag, native: ONLCR},
sshOCRNL: {tType: sshOflag, native: OCRNL},
sshONOCR: {tType: sshOflag, native: ONOCR},
sshONLRET: {tType: sshOflag, native: ONLRET},
sshCS7: {tType: sshCflag, native: CS7},
sshCS8: {tType: sshCflag, native: CS8},
sshPARENB: {tType: sshCflag, native: PARENB},
sshPARODD: {tType: sshCflag, native: PARODD},
sshTTYOPISPEED: {tType: sshTspeed},
sshTTYOPOSPEED: {tType: sshTspeed},
}
// ToSSH converts the Termios attributes to SSH attributes usable as ssh.TerminalModes.
func (t *Termios) ToSSH() map[uint8]uint32 {
sshModes := make(map[uint8]uint32, len(convertSSH))
var flags uint32
for sshID, tios := range convertSSH {
switch tios.tType {
case sshIflag:
flags = t.Iflag
case sshOflag:
flags = t.Oflag
case sshLflag:
flags = t.Lflag
case sshCflag:
flags = t.Cflag
case sshCchar:
sshModes[sshID] = uint32(t.Cc[tios.native])
continue
case sshTspeed:
sshModes[sshTTYOPISPEED], sshModes[sshTTYOPOSPEED] = t.Ispeed, t.Ospeed
continue
default:
continue
}
var onOff uint32
if tios.native&flags > 0 {
onOff = 1
}
sshModes[sshID] = onOff
}
return sshModes
}
// FromSSH converts SSH attributes to Termios attributes.
func (t *Termios) FromSSH(termModes map[uint8]uint32) {
var flags *uint32
for sshID, val := range termModes {
switch convertSSH[sshID].tType {
case sshIflag:
flags = &t.Iflag
case sshOflag:
flags = &t.Oflag
case sshLflag:
flags = &t.Lflag
case sshCflag:
flags = &t.Cflag
case sshCchar:
t.Cc[convertSSH[sshID].native] = byte(val)
continue
case sshTspeed:
if sshID == sshTTYOPISPEED {
t.Ispeed = val
} else {
t.Ospeed = val
}
continue
default:
continue
}
if val > 0 {
*flags |= convertSSH[sshID].native
} else {
*flags &^= convertSSH[sshID].native
}
}
}
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