A2osX/BIN/USERADD.S.txt

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/USERADD
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*--------------------------------------
USER.MAX .EQ 16
PASS.MAX .EQ 64
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*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
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.INB INC/LIBCRYPT.I
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*--------------------------------------
* 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
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ArgIndex .BS 1
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ArgUsername .BS 1
ZPStrPtr .BS 2
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ZPTmpPtr .BS 2
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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)
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.DA DS.END-DS.START Data Segment Size
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.DA #64 Stack Size
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.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.LIBCRYPT .DA LIBCRYPT
L.MSG.USAGE .DA MSG.USAGE
L.MSG.ROOTPWD1 .DA MSG.ROOTPWD1
L.MSG.ROOTPWD2 .DA MSG.ROOTPWD2
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L.MSG.MISMATCH .DA MSG.MISMATCH
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L.MSG.DUP .DA MSG.DUP
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L.MSG.BS .DA MSG.BS
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L.MSG.CRLF .DA MSG.CRLF
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J.CS.RUN.CheckArg
.DA CS.RUN.CheckArg.C
.DA CS.RUN.CheckArg.D
.DA CS.RUN.CheckArg.P
.DA CS.RUN.CheckArg.S
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.DA 0
*--------------------------------------
* Called once at process creation
* Put code for loading LIB here
*--------------------------------------
CS.INIT >LDYA L.LIBCRYPT
>SYSCALL LoadLib
bcs .9
sta hLIBCRYPT
.9 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
>PUSHW ZPPWPtr
lda #0
>SYSCALL GetPWUID
bcc .1
jmp CS.RUN.ROOT
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.1 ldy #S.PW
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.2 dey
lda PW.DEFAULT,y
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sta (pData),y
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tya
bne .2
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jsr CS.RUN.CheckArg
bcs .9
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jsr CS.RUN.MkDir
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* bcs .99
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>LDYA pData
>SYSCALL putpw
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bcs .99
lda #0
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sec
rts
.9 >PUSHBI 0
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>LDYA L.MSG.USAGE
>SYSCALL printf
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lda #E.SYN
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sec
.99 rts
*--------------------------------------
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CS.RUN.ROOT ldy #0
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.1 lda PW.ROOT,y
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sta (pData),y PW
iny
cpy #S.PW
bne .1
sec
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ror ZPbStrSecret
lda #127
sta ZPStrMax
>PUSHBI 0
>LDYA L.MSG.ROOTPWD1
>SYSCALL printf
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bcs .90
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jsr CS.RUN.GetStr
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bcs .90
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>PUSHEA.G PW+S.PW.PASSWD
>PUSHW ZPStrPtr
>LIBCALL hLIBCRYPT,LIBCRYPT.MD5
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>PUSHBI 0
>LDYA L.MSG.ROOTPWD2
>SYSCALL printf
bcs .9
jsr CS.RUN.GetStr
.90 bcs .9
>PUSHW ZPStrPtr
>PUSHW ZPStrPtr
>LIBCALL hLIBCRYPT,LIBCRYPT.MD5
>PUSHW ZPStrPtr
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>LEA.G PW+S.PW.PASSWD
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>SYSCALL strcmp
bcs .99
>LDYA pData
>SYSCALL putpw
bcs .9
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lda #0
sec
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.9 rts
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.99 >PUSHBI 0
>LDYA L.MSG.MISMATCH
>SYSCALL printf
lda #E.SYN
sec
rts
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*--------------------------------------
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
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.2 cmp #3 Ctrl-C
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beq .9
cmp #C.CR
beq .8
cmp #C.BS
bne .1
ldy ZPStrLen
beq .1
dec ZPStrLen
bit ZPbStrSecret
bmi .1
>PUSHBI 0
>LDYA L.MSG.BS
>SYSCALL printf
bra .1
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.8 ldy ZPStrLen
lda #0
sta (ZPStrPtr),y
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>PUSHBI 0
>LDYA L.MSG.CRLF
>SYSCALL printf
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.9 rts
*--------------------------------------
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CS.RUN.CheckArg inc ArgIndex
lda ArgIndex
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>SYSCALL ArgV
bcs .8
>STYA ZPStrPtr
lda (ZPStrPtr)
cmp #'-'
bne .4
ldy #1
lda (ZPStrPtr),y
ldx OptionList
.2 cmp OptionList,x
beq .3
dex
bne .2
lda #E.SYN
sec
rts
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.3 txa
and #$fe
tax
jmp (J.CS.RUN.CheckArg,x)
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.4 lda ArgUsername
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bne CS.RUN.CheckArg.9
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lda pData
clc
adc #S.PW.DIR+11
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sta ZPTmpPtr
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lda pData+1
adc /S.PW.DIR+11
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sta ZPTmpPtr+1
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ldy #0
.5 lda (ZPStrPtr),y
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sta (pData),y
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sta (ZPTmpPtr),y
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beq .6
iny
cpy #16
bne .5
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bra CS.RUN.CheckArg.9
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.6 lda #'/'
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sta (ZPTmpPtr),y
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>PUSHW ZPPWPtr
lda ArgIndex
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sta ArgUsername
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>SYSCALL ArgV
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>SYSCALL GetPWName
bcc .9
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bra CS.RUN.CheckArg
.8 lda ArgUsername
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beq CS.RUN.CheckArg.9
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clc
rts
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.9 >PUSHBI 0
>LDYA L.MSG.DUP
>SYSCALL printf
CS.RUN.CheckArg.9
lda #E.SYN
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sec
rts
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*--------------------------------------
CS.RUN.CheckArg.P
inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
phy
pha
>PUSHEA.G S.PW.PASSWD
pla
ply
>PUSHYA
>LIBCALL hLIBCRYPT,LIBCRYPT.MD5
jmp CS.RUN.CheckArg
*--------------------------------------
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CS.RUN.CheckArg.C
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inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.GECOS
bra CS.RUN.CheckArg.Next
*--------------------------------------
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CS.RUN.CheckArg.D
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inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.DIR
bra CS.RUN.CheckArg.Next
*--------------------------------------
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CS.RUN.CheckArg.S
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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
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sta ZPTmpPtr
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lda pData+1
adc #0
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sta ZPTmpPtr+1
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ldy #$ff
.1 iny
lda (ZPStrPtr),y
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sta (ZPTmpPtr),y
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beq .8
cpy #64
bne .1
lda #0
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sta (ZPTmpPtr),y
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.8 jmp CS.RUN.CheckArg
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*--------------------------------------
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CS.RUN.MkDir >LEA.G S.PW.DIR
>SYSCALL MKDir
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rts
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*--------------------------------------
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* 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 lda hLIBCRYPT
beq .8
>SYSCALL UnloadLib
.8 clc
rts
*--------------------------------------
CS.END
*--------------------------------------
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OptionList >PSTR "CcDdPpSs"
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*--------------------------------------
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* Initialized DATA
*--------------------------------------
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LIBCRYPT .AZ "libcrypt"
hLIBCRYPT .BS 1
*--------------------------------------
MSG.USAGE .AS "Usage : USERADD username\r\n"
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.AS " -c : Comment (GECOS)\r\n"
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.AS " -d : Home Directory\r\n"
.AS " -p : Password\r\n"
.AS " -s : Shell\r\n"
MSG.CRLF .AZ "\r\n"
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MSG.ROOTPWD1 .AZ "\r\nPlease enter ROOT password : "
MSG.ROOTPWD2 .AZ "\r\nPlease retype ROOT password : "
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MSG.MISMATCH .AZ "\r\nPasswords mismatch...\r\n"
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MSG.DUP .AZ "\r\nDuplicate username...\r\n"
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MSG.BS .DA #C.BS,#C.SPACE,#C.BS,#0
*--------------------------------------
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PW.ROOT .AS "ROOT"
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.BS 17-4
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.AZ "D41D8CD98F00B204E9800998ECF8427E"
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.DA #0 UID
.DA #0 GID
.AS "Root User"
.BS 65-9
.AS "${ROOT}ROOT/"
.BS 65-12
.AS "${ROOT}BIN/SH"
.BS 65-13
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*--------------------------------------
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PW.DEFAULT .BS 17 NAME
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.AZ "D41D8CD98F00B204E9800998ECF8427E"
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.DA #0 UID
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.DA #1 GID
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.BS 65 GECOS
.AS "${ROOT}USR/"
.BS 65-11
.AS "${ROOT}BIN/SH"
.BS 65-13
*--------------------------------------
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* Per Process DATA segment
*--------------------------------------
.DUMMY
.OR 0
DS.START
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PW .BS S.PW
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DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/USERADD.S
ASM