A2osX/BIN/USERADD.S.txt

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2019-04-09 15:47:33 +00:00
NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/USERADD
*--------------------------------------
.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
ZPStrPtr .BS 2
ZPhStr .BS 1
ZPbStrSecret .BS 1
ZPStrLen .BS 1
ZPStrMax .BS 1
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 SegmentSize
.DA #16 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.LIBCRYPT .DA LIBCRYPT
L.MSG.USAGE .DA MSG.USAGE
L.MSG.ROOTPWD1 .DA MSG.ROOTPWD1
L.MSG.ROOTPWD2 .DA MSG.ROOTPWD2
L.MSG.BS .DA MSG.BS
.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
.1
.8 lda #0
sec
rts
.9 lda #E.SYN
sec
.99 rts
*--------------------------------------
CS.RUN.ROOT sec
ror ZPbStrSecret
lda #127
sta ZPStrMax
>PUSHBI 0
>LDYA L.MSG.ROOTPWD1
>SYSCALL printf
bcs .9
jsr CS.RUN.GetStr
clc
.9 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
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
.8 clc
.9 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 lda hLIBCRYPT
beq .8
>SYSCALL UnloadLib
.8 clc
rts
*--------------------------------------
CS.END
*--------------------------------------
* Initialized DATA
*--------------------------------------
MSG.USAGE .AZ "Usage : USERADD username\r\n"
MSG.ROOTPWD1 .AZ "Please enter ROOT password : "
MSG.ROOTPWD2 .AZ "Please retype ROOT password : "
MSG.BS .DA #C.BS,#C.SPACE,#C.BS,#0
*--------------------------------------
LIBCRYPT .AZ "libcrypt"
hLIBCRYPT .BS 1
*--------------------------------------
* Per Process DATA segment
*--------------------------------------
.DUMMY
.OR 0
DS.START
PW .DA S.PW
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/USERADD.S
ASM