A2osX/BIN/USERADD.S.txt
2023-12-19 10:20:45 +01:00

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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
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 >LDYA L.MSG.USAGE
>SYSCALL PutS
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
>PUSHEA.G PW+S.PW.PASSWD
>SYSCALL StrCmp
bcs .99
>PUSHW pData
>SYSCALL PutPW
bcs .9
lda #0
sec
.9 rts
.99 >LDYA L.MSG.MISMATCH
>SYSCALL PutS
lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.GetStr stz ZPStrLen
.1 >SYSCALL GetChar
bcs .9
cmp #C.SPACE
bcc .2
ldy ZPStrLen
cpy ZPStrMax
beq .1
bit ZPbStrSecret
bmi .10
jsr CS.RUN.IsValidChar
bcs .1
.10 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
stz ZPbStrSecret
ldy #0
.5 lda (ZPStrPtr),y
sta (pData),y
sta (ZPTmpPtr),y
beq .6
jsr CS.RUN.IsValidChar
bcs CS.RUN.CheckArg.9
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
jmp 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 #$ff
.1 iny
lda (ZPStrPtr),y
sta (ZPTmpPtr),y
beq .8
cpy #64
bne .1
lda #0
sta (ZPTmpPtr),y
.8 jmp CS.RUN.CheckArg
*--------------------------------------
CS.RUN.IsValidChar
cmp #'z'+1
bcs .99
cmp #'a'
bcs .8
cmp #'Z'+1
bcs .99
cmp #'A'
bcs .8
cpy #0
bcs .99
cmp #'0'
bcc .9
cmp #'9'+1
rts
.9 sec
.99 rts
.8 clc
rts
*--------------------------------------
CS.RUN.MkDir >PUSHEA.G S.PW.DIR
>PUSHWI S.STAT.MODE.RO+S.STAT.MODE.RG+S.STAT.MODE.FU
>SYSCALL MKDir
rts
*--------------------------------------
* Called if option S.PS.F.EVENT enabled in Header
* Timer Event : every 10th seconds
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
* Called once, when RUN exited with CS
* Put code for unloading LIB here
*--------------------------------------
CS.QUIT lda ZPhStr
beq .1
>SYSCALL FreeMem
.1 lda ZPhPW
beq .2
>SYSCALL FreeMem
.2 clc
rts
*--------------------------------------
CS.END
*--------------------------------------
OptionList .AS "CcDdPpSs"
OptionCnt .EQ *-OptionList
*--------------------------------------
* Initialized DATA
*--------------------------------------
MSG.USAGE .CS "Usage : USERADD username\r\n"
.CS " -c : Comment (GECOS)\r\n"
.CS " -d : Home Directory\r\n"
.CS " -p : Password\r\n"
.CS " -s : Shell"
MSG.CRLF .CZ "\r\n"
MSG.BS .CZ "\b \b"
MSG.ROOTPWD1 .CZ "\r\nPlease enter ROOT password : "
MSG.ROOTPWD2 .CZ "\r\nPlease retype ROOT password : "
MSG.MISMATCH .CZ "\r\nPasswords mismatch...\r\n"
*--------------------------------------
PW.ROOT .AS "root"
.BS 17-4
.AZ "d41d8cd98f00b204e9800998ecf8427e"
.DA #0 UID
.DA #0 GID
.AS "Root User"
.BS 65-9
.AS "${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