A2osX/SBIN/TELNETD.S.txt

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NEW
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PREFIX
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AUTO 4,1
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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
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.INB INC/ETH.I
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.INB INC/LIBTCPIP.I
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.INB INC/NET.TELNET.I
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*--------------------------------------
CONN.MAX .EQ 16
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TIMEOUT.MAX .EQ 30 30 sec.
*--------------------------------------
ZPIPCfgPtr .EQ ZPBIN
ZPSktPtr .EQ ZPBIN+2
*--------------------------------------
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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
.DA #64 SS
.DA #4 ZP SS
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.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
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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.ABORT .DA MSG.ABORT
L.MSG.INCOMING .DA MSG.INCOMING
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L.MSG.EXECERR .DA MSG.EXECERR
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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
*--------------------------------------
CS.RUN jsr Init.Timeout
>LDYA L.MSG.TCPWAIT
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>SYSCALL puts
.1 >LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG is TCPIP loaded ?
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bcs .99
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.INIT
>SLEEP
jsr Wait.Timeout
bcc .1
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>SYSCALL GetChar
bcs .1
cmp #$03
bne .1
jmp CS.RUN.ABORT
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.99 pha
>LDYA L.MSG.TCPIPERR
>SYSCALL puts
pla
sec
rts
CS.RUN.INIT ldx #3
ldy #S.IPCFG.IP+3
.1 lda (ZPIPCfgPtr),y
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sta SA.LOCAL+S.SOCKADDR.ADDR,x
dey
dex
bpl .1
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>PUSHBI 0 no protocol
lda #S.SOCKET.T.STREAM
>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
bcs .9
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>STA.G hSrvSocket
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pha
>PUSHW L.SA.LOCAL
pla
>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
bcs .9
>LDA.G hSrvSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Listen
bcs .9
>LDYA L.MSG.INITOK
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>SYSCALL puts
.2 >SLEEP
jsr CS.RUN.SERVER
bcs CS.RUN.ERR
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* >SYSCALL GetChar
* bcs .2
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* cmp #$03
* beq CS.RUN.ABORT
bra .2
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.9 pha
>LDYA L.MSG.SKTERR
>SYSCALL puts
pla
sec
rts
CS.RUN.ABORT >LDYA L.MSG.ABORT
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>SYSCALL puts
lda #3
CS.RUN.ERR sec
rts
*--------------------------------------
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CS.RUN.SERVER >LDA.G hSrvSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.Accept
bcs .8
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pha
ldy #hSockets
ldx #CONN.MAX
.1 lda (pData),y
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bne .2
pla
sta (pData),y
bra CS.RUN.CLIENT
.2 iny
dex
bne .1
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pla
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>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
.8 clc
rts
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*--------------------------------------
CS.RUN.CLIENT >STA.G hClientSocket
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>SYSCALL GetMemPtr
>STYA ZPSktPtr
ldx #3
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ldy #S.SOCKET.REM.ADDR+3
.3 >PUSHB (ZPSktPtr),y
dey
dex
bpl .3
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>PUSHB.G hClientSocket
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>PUSHBI 5
>LDYA L.MSG.INCOMING
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>SYSCALL printf
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>PUSHB.G hClientSocket
>PUSHBI 1
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>PUSHW L.NOD.Template
>LEA.G NodBuf
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>SYSCALL sprintf
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>PUSHB.G hClientSocket
>PUSHW 0
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>LEA.G NodBuf
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>SYSCALL mknod
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bcs .9
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>STA.G hClientFile
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>PUSHEA.G NodBuf
>PUSHBI 2
>PUSHW L.CMD.Template
>LEA.G CmdBuf
>SYSCALL sprintf
>LEA.G CmdBuf
>SYSCALL puts
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>PUSHBI S.PS.F.DUPENV
>LEA.G CmdBuf
>SYSCALL execl
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bcc .8
>PUSHA
>PUSHBI 1
>LDYA L.MSG.EXECERR
>SYSCALL printf
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.8 clc
.9 rts
*--------------------------------------
CS.DOEVENT lda (pEvent)
bpl .9 is it a TIMER event?
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>LDA.G TimeOut
beq .9
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dec
sta (pData),y
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.9 sec do not discard TIMER event
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rts
*--------------------------------------
CS.QUIT ldx #CONN.MAX
ldy #hSockets
.1 lda (pData),y
beq .2
phx
phy
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>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
ply
plx
.2 iny
dex
bne .1
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>LDA.G 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
*--------------------------------------
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Init.Timeout lda #TIMEOUT.MAX
>STA.G TimeOut
rts
*--------------------------------------
Wait.TimeOut sec
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>LDA.G TimeOut
beq .9
clc
.9 rts
*--------------------------------------
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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."
MSG.TCPIPERR .AZ "TELNETD:TCP/IP Not initialized properly"
MSG.SKTERR .AZ "TELNETD:Listen Error."
MSG.ABORT .AZ "TELNETD:User Aborted."
MSG.INCOMING .AZ "TELNETD:Incoming Connection [SKT=%h] From : %d.%d.%d.%d\r\n"
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MSG.EXECERR .AZ "TELNETD:ExecL failed $%h."
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*--------------------------------------
NOD.Template .AZ "/DEV/TTY%h"
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CMD.Template .AZ "${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
hSockets .BS CONN.MAX pData
SktIndex .BS 1
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hSrvSocket .BS 1
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hClientSocket .BS 1
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hClientFile .BS 1
TimeOut .BS 1
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NodBuf .BS 11
CmdBuf .BS 65
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