A2osX/BIN/USERDEL.S.txt

NEW
  AUTO 3,1
			.LIST OFF
			.OP	65C02
			.OR	$2000
			.TF bin/userdel
*--------------------------------------
			.INB inc/macros.i
			.INB inc/a2osx.i
*--------------------------------------
* Zero Page Segment, up to 32 bytes
*--------------------------------------
				.DUMMY
				.OR ZPBIN
ZS.START
ArgIndex		.BS 1
ArgUsername		.BS 1
bDelete			.BS 1
ZPhStr			.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.INV		.DA MSG.INV
L.CMD.RM		.DA CMD.RM
				.DA 0
*--------------------------------------
* Called once at process creation
* Put code for loading LIB here
*--------------------------------------
CS.INIT			clc
CS.INIT.RTS		rts
*--------------------------------------
* Called until exit with CS
* if RUN exits with CC, RN entered again
*--------------------------------------
CS.RUN			>LDYAI 256
				>SYSCALL GetMem
				bcs CS.INIT.RTS

				>STYA ZPStrPtr
				stx ZPhStr
				jsr CS.RUN.CheckArg
				bcs .99

				lda ArgUsername
				>SYSCALL ArgV
				>PUSHYA
				>PUSHW pData
				>SYSCALL GetPWName
				bcs .99

				ldy #S.PW.PASSWD
				lda #0
				sta (pData),y

				>PUSHW pData
				>SYSCALL PutPW
				bcs .99

				jsr CS.RUN.RmDir
				bcs .99

				lda #0
				sec
				rts

.9				>LDYA L.MSG.INV
				>SYSCALL PutS
				lda #E.IUSR
				sec
				rts

.90				lda #E.IPWDDB
				sec
.99				rts
*--------------------------------------
CS.RUN.CheckArg	inc ArgIndex
				lda ArgIndex
				>SYSCALL ArgV
				bcs .8

				>STYA ZPTmpPtr
				lda (ZPTmpPtr)
				cmp #'-'
				bne .4

				ldy #1
				lda (ZPTmpPtr),y

				ldx #OptionVars-OptionList-1
				
.2				cmp OptionList,x
				beq .3

				dex
				bpl .2

.9				>LDYA L.MSG.USAGE
				>SYSCALL PutS
				lda #E.SYN
				sec
				rts

.3				ldy OptionVars,x
				lda #$80
				sta 0,y
				bra CS.RUN.CheckArg

.4				lda ArgUsername
				bne .9

				lda ArgIndex
				sta ArgUsername
				bra CS.RUN.CheckArg

.8				lda ArgUsername			
				beq .9

				clc
				rts
*--------------------------------------
CS.RUN.RmDir	lda bDelete
				bmi .1

				lda pData
				clc
				adc #S.PW.DIR
				tay
				lda pData+1
				adc /S.PW.DIR
				>SYSCALL Remove
				rts

.1				>PUSHW ZPStrPtr
				>PUSHW L.CMD.RM
				>SYSCALL StrCpy

				>PUSHW ZPStrPtr

				lda pData
				clc
				adc #S.PW.DIR
				tay
				lda pData+1
				adc /S.PW.DIR
				>PUSHYA
				>SYSCALL StrCat

				>PUSHW ZPStrPtr
				>PUSHBI S.PS.F.HOLD
				>SYSCALL ExecL
				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 .8

				>SYSCALL FreeMem

.8				clc
				rts
*--------------------------------------
CS.END
*--------------------------------------
OptionList		.AS "Rr"
OptionVars		.DA #bDelete,#bDelete
*--------------------------------------
* Initialized DATA
*--------------------------------------
MSG.USAGE		.CS "Usage : USERDEL username\r\n"
				.CZ "   -r : Force remove files in home directory\r\n"		
MSG.INV			.CZ "Invalid username."
CMD.RM			.CZ "${ROOT}BIN/RM -R -Q "
*--------------------------------------
* Per Process DATA segment
*--------------------------------------
				.DUMMY
				.OR 0
DS.START		.BS S.PW	
DS.END			.ED
*--------------------------------------
MAN
SAVE usr/src/bin/userdel.s
ASM