A2osX/BIN/USERADD.S.txt
2020-09-10 12:43:37 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/useradd
*--------------------------------------
USER.MAX .EQ 16
PASS.MAX .EQ 64
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
*--------------------------------------
* Zero Page Segment, up to 32 bytes
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPWPtr .BS 2
ZPhPW .BS 1
ZPhStr .BS 1
ZPbStrSecret .BS 1
ZPStrLen .BS 1
ZPStrMax .BS 1
ArgIndex .BS 1
ArgUsername .BS 1
ZPStrPtr .BS 2
ZPTmpPtr .BS 2
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #0 S.PS.F.EVENT
.DA #0
.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data Segment Size
.DA #64 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG.USAGE .DA MSG.USAGE
L.MSG.ROOTPWD1 .DA MSG.ROOTPWD1
L.MSG.ROOTPWD2 .DA MSG.ROOTPWD2
L.MSG.MISMATCH .DA MSG.MISMATCH
L.MSG.CRLF .DA MSG.CRLF
L.MSG.BS .DA MSG.BS
*L.ROOT .DA ROOT
J.CS.RUN.CheckArg
.DA CS.RUN.CheckArg.C
.DA CS.RUN.CheckArg.D
.DA CS.RUN.CheckArg.P
.DA CS.RUN.CheckArg.S
.DA 0
*--------------------------------------
* Called once at process creation
* Put code for loading LIB here
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
* Called until exit with CS
* if RUN exits with CC, RN entered again
*--------------------------------------
CS.RUN >LDYAI S.PW
>SYSCALL GetMem
bcs .99
>STYA ZPPWPtr
stx ZPhPW
>LDYAI 256
>SYSCALL GetMem
bcs .99
>STYA ZPStrPtr
stx ZPhStr
lda #0
>PUSHA
>PUSHW ZPPWPtr
>SYSCALL GetPWUID
bcc .1
jmp CS.RUN.ROOT
.1 ldy #S.PW
.2 dey
lda PW.DEFAULT,y
sta (pData),y
tya
bne .2
jsr CS.RUN.CheckArg
bcs .9
jsr CS.RUN.MkDir
* bcs .99
>PUSHW pData
>SYSCALL PutPW
bcs .99
lda #0
sec
rts
.9 >PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec
.99 rts
*--------------------------------------
CS.RUN.ROOT ldy #0
.1 lda PW.ROOT,y
sta (pData),y PW
iny
cpy #S.PW
bne .1
sec
ror ZPbStrSecret
lda #127
sta ZPStrMax
>PUSHW L.MSG.ROOTPWD1
>PUSHBI 0
>SYSCALL PrintF
bcs .90
jsr CS.RUN.GetStr
bcs .90
>PUSHW ZPStrPtr
>PUSHEA.G PW+S.PW.PASSWD
>SYSCALL MD5
>PUSHW L.MSG.ROOTPWD2
>PUSHBI 0
>SYSCALL PrintF
bcs .9
jsr CS.RUN.GetStr
.90 bcs .9
>PUSHW ZPStrPtr
>PUSHW ZPStrPtr
>SYSCALL MD5
>PUSHW ZPStrPtr
>LEA.G PW+S.PW.PASSWD
>SYSCALL StrCmp
bcs .99
* jsr CS.RUN.TEST
>PUSHW pData
>SYSCALL PutPW
* jsr CS.RUN.TEST
bcs .9
lda #0
sec
.9 rts
.99 >PUSHW L.MSG.MISMATCH
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec
rts
*--------------------------------------
*CS.RUN.TEST php
* pha
* >PUSHW L.ROOT
* >PUSHWI 0
* >SYSCALL GetEnv
* phx
* >SYSCALL PutS
* pla
* >SYSCALL FreeMem
* pla
* plp
* rts
*--------------------------------------
CS.RUN.GetStr stz ZPStrLen
.1 >SYSCALL GetChar
bcs .9
cmp #C.SPACE
bcc .2
ldy ZPStrLen
cpy ZPStrMax
beq .1
sta (ZPStrPtr),y
iny
sty ZPStrLen
bit ZPbStrSecret
bmi .1
>SYSCALL PutChar
bra .1
.2 cmp #3 Ctrl-C
beq .9
cmp #C.CR
beq .8
cmp #C.BS
bne .1
ldy ZPStrLen
beq .1
dec ZPStrLen
bit ZPbStrSecret
bmi .1
>PUSHW L.MSG.BS
>PUSHBI 0
>SYSCALL PrintF
bra .1
.8 ldy ZPStrLen
lda #0
sta (ZPStrPtr),y
>PUSHW L.MSG.CRLF
>PUSHBI 0
>SYSCALL PrintF
.9 rts
*--------------------------------------
CS.RUN.CheckArg inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs .8
>STYA ZPStrPtr
lda (ZPStrPtr)
cmp #'-'
bne .4
ldy #1
lda (ZPStrPtr),y
ldx #OptionCnt-1
.2 cmp OptionList,x
beq .3
dex
bpl .2
lda #E.SYN
sec
rts
.3 txa
and #$fe
tax
jmp (J.CS.RUN.CheckArg,x)
*--------------------------------------
.4 lda ArgUsername
bne CS.RUN.CheckArg.9
lda pData
clc
adc #S.PW.DIR+11
sta ZPTmpPtr
lda pData+1
adc /S.PW.DIR+11
sta ZPTmpPtr+1
ldy #0
.5 lda (ZPStrPtr),y
sta (pData),y
sta (ZPTmpPtr),y
beq .6
iny
cpy #16
bne .5
bra CS.RUN.CheckArg.9
.6 lda #'/'
sta (ZPTmpPtr),y
lda ArgIndex
sta ArgUsername
>SYSCALL ArgV
>PUSHYA
>PUSHW ZPPWPtr
>SYSCALL GetPWName
bcc .9
bra CS.RUN.CheckArg
.8 lda ArgUsername
beq CS.RUN.CheckArg.9
clc
rts
.9 lda #E.DUPUSR
sec
rts
CS.RUN.CheckArg.9
lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.CheckArg.P
inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
>PUSHYA
>PUSHEA.G S.PW.PASSWD
>SYSCALL MD5
jmp CS.RUN.CheckArg
*--------------------------------------
CS.RUN.CheckArg.C
inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.GECOS
bra CS.RUN.CheckArg.Next
*--------------------------------------
CS.RUN.CheckArg.D
inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.DIR
bra CS.RUN.CheckArg.Next
*--------------------------------------
CS.RUN.CheckArg.S
inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.SHELL
CS.RUN.CheckArg.Next
>STYA ZPStrPtr
* clc
txa
adc pData
sta ZPTmpPtr
lda pData+1
adc #0
sta ZPTmpPtr+1
ldy #$ff
.1 iny
lda (ZPStrPtr),y
sta (ZPTmpPtr),y
beq .8
cpy #64
bne .1
lda #0
sta (ZPTmpPtr),y
.8 jmp CS.RUN.CheckArg
*--------------------------------------
CS.RUN.MkDir >PUSHEA.G S.PW.DIR
>PUSHWI S.STAT.MODE.RO+S.STAT.MODE.RG+S.STAT.MODE.FU
>SYSCALL MKDir
rts
*--------------------------------------
* Called if option S.PS.F.EVENT enabled in Header
* Timer Event : every 10th seconds
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
* Called once, when RUN exited with CS
* Put code for unloading LIB here
*--------------------------------------
CS.QUIT lda ZPhStr
beq .1
>SYSCALL FreeMem
.1 lda ZPhPW
beq .2
>SYSCALL FreeMem
.2 clc
rts
*--------------------------------------
CS.END
*--------------------------------------
OptionList .AS "CcDdPpSs"
OptionCnt .EQ *-OptionList
*--------------------------------------
* Initialized DATA
*--------------------------------------
MSG.USAGE .AS "Usage : USERADD username\r\n"
.AS " -c : Comment (GECOS)\r\n"
.AS " -d : Home Directory\r\n"
.AS " -p : Password\r\n"
.AS " -s : Shell"
MSG.CRLF .AZ "\r\n"
MSG.BS .DA #C.BS,#C.SPACE,#C.BS,#0
MSG.ROOTPWD1 .AZ "\r\nPlease enter ROOT password : "
MSG.ROOTPWD2 .AZ "\r\nPlease retype ROOT password : "
MSG.MISMATCH .AZ "\r\nPasswords mismatch...\r\n"
*--------------------------------------
PW.ROOT .AS "root"
.BS 17-4
.AZ "d41d8cd98f00b204e9800998ecf8427e"
.DA #0 UID
.DA #0 GID
.AS "Root User"
.BS 65-9
.AS "${ROOT}root/"
.BS 65-12
.AS "${ROOT}bin/sh"
.BS 65-13
*--------------------------------------
PW.DEFAULT .BS 17 NAME
.AZ "d41d8cd98f00b204e9800998ecf8427e"
.DA #0 UID
.DA #1 GID
.BS 65 GECOS
.AS "${ROOT}usr/"
.BS 65-11
.AS "${ROOT}bin/sh"
.BS 65-13
*--------------------------------------
*ROOT .AZ "ROOT"
*--------------------------------------
* Per Process DATA segment
*--------------------------------------
.DUMMY
.OR 0
DS.START
PW .BS S.PW
DS.END .ED
*--------------------------------------
MAN
SAVE usr/src/bin/useradd.s
ASM