A2osX/SBIN/TELNETD.S.txt

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NEW
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AUTO 3,1
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.LIST OFF
.OP 65C02
.OR $2000
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.TF sbin/telnetd
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*--------------------------------------
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.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/eth.i
.INB inc/libtcpip.i
.INB inc/net.telnet.i
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*--------------------------------------
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TIMEOUT.MAX .EQ 200 20 sec.
*--------------------------------------
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.DUMMY
.OR ZPBIN
ZS.START
ZPIPCfgPtr .BS 2
ZPSktPtr .BS 2
TimeOut .BS 1
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hSrvSocket .BS 1
hClientSocket .BS 1
ZS.END .ED
*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
CS.START cld
jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
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.DA #S.PS.F.EVENT S.PS.F
.DA #0
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.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
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.DA #32 SS
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
*--------------------------------------
* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.LIBTCPIP .DA LIBTCPIP
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L.SA.LOCAL .DA SA.LOCAL
L.MSG.TCPWAIT .DA MSG.TCPWAIT
L.MSG.INITOK .DA MSG.INITOK
L.MSG.TCPIPERR .DA MSG.TCPIPERR
L.MSG.SKTERR .DA MSG.SKTERR
L.MSG.INCOMING .DA MSG.INCOMING
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L.NOD.Template .DA NOD.Template
L.CMD.Template .DA CMD.Template
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.DA 0
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*--------------------------------------
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CS.INIT >LDYA L.LIBTCPIP
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>SYSCALL LoadLib
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bcs .9
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sta hLIBTCPIP
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.9 rts
*--------------------------------------
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CS.RUN lda #TIMEOUT.MAX
sta TimeOut
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>LDYA L.MSG.TCPWAIT
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>SYSCALL PutS
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.1 >SLEEP
>LIBCALL hLIBTCPIP,LIBTCPIP.GETCFG is TCPIP loaded ?
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bcs .99
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>STYA ZPIPCfgPtr
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lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.INIT
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lda TimeOut
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beq .99
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ldy #S.PS.hStdIn
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lda (pPS),y
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>SYSCALL FEOF
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bcs .9 I/O err
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tay
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bne .1
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>SYSCALL GetChar
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bcs .9
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cmp #$03
bne .1
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* sec
rts
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.99 pha
>LDYA L.MSG.TCPIPERR
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>SYSCALL PutS
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pla
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sec
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.9 rts
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CS.RUN.INIT ldx #3
ldy #S.IPCFG.IP+3
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.1 lda (ZPIPCfgPtr),y
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sta SA.LOCAL+S.SOCKADDR.ADDR,x
dey
dex
bpl .1
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lda #1
>SYSCALL ArgV
bcs CS.RUN.PORTOK
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>SYSCALL AToI
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>STYA SA.LOCAL+S.SOCKADDR.PORT
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CS.RUN.PORTOK >PUSHBI S.SOCKET.T.STREAM
>PUSHBI 0 no protocol
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>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
bcs .9
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sta hSrvSocket
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>PUSHA
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>PUSHW L.SA.LOCAL
>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
bcs .9
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lda hSrvSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Listen
bcs .9
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>LDYA L.MSG.INITOK
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>SYSCALL PutS
.2 >SLEEP
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lda hSrvSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Accept
bcs .2
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pha
jsr CS.RUN.CLIENT
pla
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bcc .2
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>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
bra .2
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.9 pha
>LDYA L.MSG.SKTERR
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>SYSCALL PutS
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pla
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sec
rts
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*--------------------------------------
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CS.RUN.CLIENT >SLEEP give some time for TCPIP SYN/ACK
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sta hClientSocket
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>SYSCALL GetMemPtr
>STYA ZPSktPtr
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>PUSHW L.MSG.INCOMING
>PUSHB hClientSocket
ldx #3
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ldy #S.SOCKET.REM.ADDR
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.1 >PUSHB (ZPSktPtr),y
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iny
dex
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bpl .1
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>PUSHBI 5
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>SYSCALL PrintF
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>PUSHEA.G NodBuf
>PUSHW L.NOD.Template
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>PUSHB hClientSocket
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>PUSHBI 1
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>SYSCALL SPrintF
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CS.RUN.CLIENT1 >PUSHEA.G NodBuf+5
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>PUSHW 0
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>PUSHB hClientSocket
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>SYSCALL MKNod
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bcs .9
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>PUSHEA.G CmdBuf
>PUSHW L.CMD.Template
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>PUSHEA.G NodBuf
>PUSHBI 2
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>SYSCALL SPrintF
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>PUSHEA.G CmdBuf
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>PUSHBI 0
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>SYSCALL ExecL
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.9 rts
*--------------------------------------
CS.DOEVENT lda (pEvent)
bpl .9 is it a TIMER event?
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lda TimeOut
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beq .9
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dec TimeOut
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.9 sec do not discard TIMER event
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rts
*--------------------------------------
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CS.QUIT lda hSrvSocket
beq .3
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>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
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.3 lda hLIBTCPIP
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beq .8
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>SYSCALL UnloadLib
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.8 clc
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rts
*--------------------------------------
CS.END
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*--------------------------------------
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hLIBTCPIP .BS 1
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LIBTCPIP .AZ "libtcpip"
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MSG.TCPWAIT .AZ "TELNETD:Waiting for TCP/IP initializing..."
MSG.INITOK .AZ "TELNETD:Init Ok, Listening."
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MSG.TCPIPERR .AZ "TELNETD:TCP/IP Not initialized properly."
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MSG.SKTERR .AZ "TELNETD:Listen Error."
MSG.INCOMING .AZ "TELNETD:Incoming Connection [SKT=%h] From : %d.%d.%d.%d\r\n"
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*--------------------------------------
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NOD.Template .AZ "/dev/tty%h"
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CMD.Template .AZ "${ROOT}sbin/getty -E %s ${ROOT}sbin/login"
*--------------------------------------
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SA.LOCAL .DA #AF.INET S.SOCKADDR.AF
.BS 1
.BS 4 S.SOCKADDR.ADDR
.DA TCP.PORT.TELNET
*--------------------------------------
.DUMMY
.OR 0
DS.START
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NodBuf .BS 11
CmdBuf .BS 65
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DS.END .ED
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*--------------------------------------
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MAN
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SAVE usr/src/sbin/telnetd.s
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ASM