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A2osX/SYS/KERNEL.S.PWDX.txt
Rémy GIBERT ee18653120 Kernel 0.94
2020-07-16 08:18:17 +02:00

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NEW
AUTO 3,1
*--------------------------------------
* ZPPtr1 : UID
* TXTPTR : pName (Input)
* FORPNT : pPW (Output)
* ZPPtr3 : pDB
* USERNAME:PASSWORD:UID:GID:GECOS:HOME:SHELL\CR
* ....\CR
* \0
*--------------------------------------
PWDX.GetPWUID lda PWD.hUsrDB
beq PWD.GetPW.9
jsr K.GetmemPtr
>STYA ZPPtr3
.1 lda (ZPPtr3)
beq PWD.GetPW.99 EOF
ldy #0
jsr PWD.NextString skip USERNAME
jsr PWD.NextString skip PASSWORD
jsr PWD.GetByte get UID
cmp ZPPtr1+1
beq PWD.GetPW.8
jsr PWD.NextLine
bra .1
PWD.GetPW.8 ldx FORPNT+1
beq .8 Dry run, no output
jmp PWD.Record2PW
.8 clc a = UID
rts
PWD.GetPW.9 lda #E.IPWDDB
.HS 2C BIT ABS
PWD.GetPW.99 lda #E.IUSR
sec
PWD.GetPW.RTS rts
*--------------------------------------
PWDX.GetPWName lda PWD.hUsrDB
beq PWD.GetPW.9
jsr K.GetmemPtr
>STYA ZPPtr3
ldy #0
jsr SHARED.TXTPTR.GetY
beq PWD.GetPW.99
.1 lda (ZPPtr3)
beq PWD.GetPW.99
ldy #$ff
.2 iny
jsr SHARED.TXTPTR.GetY
beq .4
cmp (ZPPtr3),y
beq .2
.3 jsr PWD.NextLine
bra .1
.4 lda (ZPPtr3),y
cmp #':'
bne .3
ldx FORPNT+1
beq .8
jmp PWD.Record2PW
.8 iny
jsr PWD.NextString skip PASSWORD
jmp PWD.GetByte get UID
*--------------------------------------
* TXTPTR : pPW (Input)
* ZPPtr3 : pDB
*--------------------------------------
PWDX.PutPW lda PWD.hUsrDB
bne PWDX.PutPW.1
ldy #S.PW.UID
jsr SHARED.TXTPTR.GetY
bne PWD.GetPW.RTS Must be ROOT user
jsr PWD.GetRecordLen
tay
lda #0
>STYA PWD.UsrDBSize
jsr K.getmem
bcs PWD.GetPW.RTS
>STYA ZPPtr3
stx PWD.hUsrDB
lda #0
sta (ZPPtr3)
jsr PWD.AppendRecord
lda PWD.hGrpDB
beq .2
jsr K.freemem
.2 >LDYAI PWDX.GROUP.Size
>STYA PWD.GrpDBSize
jsr K.getmem
bcs .9
>STYA ZPPtr3
stx PWD.hGrpDB
ldy #PWD.GrpDBSize-1
.3 lda PWDX.GROUP,y
sta (ZPPtr3),y
dey
bpl .3
clc
.9 rts
*--------------------------------------
PWDX.PutPW.1 jsr K.GetmemPtr
>STYA ZPPtr3
ldy #S.PW.PASSWD
jsr SHARED.TXTPTR.GetY
bne .12
jmp PWD.DeleteRecord
*--------------------------------------
.12 jsr PWD.FindRecord
bcs .11
lda #E.DUPUSR user already exits.
sec
rts
*--------------------------------------
.11 jsr PWD.GetUID new user, get UID
bcs .99
ldy #S.PW.UID
sta CLRWRITEAUX
sta (TXTPTR),y
sta SETWRITEAUX
jsr PWD.GetRecordLen
clc
adc PWD.UsrDBSize
sta PWD.UsrDBSize
tay
lda #0
adc PWD.UsrDBSize+1
sta PWD.UsrDBSize+1
jsr K.Getmem
bcs .99
>STYA ZPPtr3
lda PWD.hUsrDB
jsr K.GetMemPtr
>STYA ZPPtr4
ldy #0
.3 lda (ZPPtr4),y
sta (ZPPtr3),y
beq .4
iny
bne .3
inc ZPPtr4
inc ZPPtr3
bra .3
.4 lda PWD.hUsrDB
stx PWD.hUsrDB
jsr K.Freemem
lda PWD.hUsrDB
jsr K.GetMemPtr
>STYA ZPPtr3
jsr PWD.AppendRecord
clc
rts
.9 lda #E.IPWDDB
sec
.99 rts
*--------------------------------------
PWDX.GetGRGID lda PWD.hGrpDB
beq PWD.GetGR.9
jsr K.GetmemPtr
>STYA ZPPtr3
.1 lda (ZPPtr3)
beq PWD.GetGR.99 EOF
ldy #0
jsr PWD.NextString skip USERNAME
jsr PWD.GetByte get UID
cmp ZPPtr1+1
beq PWD.GetGR.8
jsr PWD.NextLine
bra .1
PWD.GetGR.8 ldx FORPNT+1
beq .8 Dry run, no output
jmp PWD.Record2GR
.8 clc a = UID
rts
PWD.GetGR.9 lda #E.IPWDDB
.HS 2C BIT ABS
PWD.GetGR.99 lda #E.IUSR
sec
PWD.GetGR.RTS rts
*--------------------------------------
PWDX.GetGRName lda PWD.hGrpDB
beq PWD.GetGR.9
jsr K.GetmemPtr
>STYA ZPPtr3
ldy #0
jsr SHARED.TXTPTR.GetY
beq PWD.GetGR.99
.1 lda (ZPPtr3)
beq PWD.GetGR.99
ldy #$ff
.2 iny
jsr SHARED.TXTPTR.GetY
beq .4
cmp (ZPPtr3),y
beq .2
.3 jsr PWD.NextLine
bra .1
.4 lda (ZPPtr3),y
cmp #':'
bne .3
ldx FORPNT+1
beq .8
jmp PWD.Record2GR
.8 iny
jmp PWD.GetByte get GID
*--------------------------------------
PWDX.PutGR lda PWD.hGrpDB
beq PWD.GetGR.9
jsr K.GetmemPtr
>STYA ZPPtr3
lda #E.IPWDDB
sec
rts
*--------------------------------------
PWDX.OpenSession
lda PWD.hUsrDB
beq .1
lda TXTPTR+1
bne .3
.1 >LDYAI PWDX.ROOT.Size
jsr K.GetMem
bcs .9
>STYA ZPPtr1
ldy #PWDX.ROOT.Size-1
.2 lda PWDX.ROOT,y
sta (ZPPtr1),y
dey
bpl .2
txa
clc
rts
.3 jsr PWD.FindRecord
bcs .9
tya Y = Name length +1
* clc
adc ZPPtr3
sta ZPPtr4
lda ZPPtr3+1
adc #0
sta ZPPtr4+1
ldy #31
.5 jsr SHARED.FORPNT.getY
cmp (ZPPtr4),y Check MD5
bne .9
dey
bpl .5
>LDYAI 256 TODO: compute S.SESSION size
jsr K.Getmem
bcs .9
>STYA ZPPtr2
stx .8+1
jsr PWD.Record2Session
.8 lda #$ff SELF MODIFIED
clc
rts
sec
.9 rts
*--------------------------------------
PWDX.CloseSession
sec
rts
*--------------------------------------
* PRIVATE
*--------------------------------------
PWD.GetUID lda PWD.hUsrDB
jsr K.GetmemPtr
>STYA ZPPtr3
stz .8+1
.1 lda (ZPPtr3)
beq .8 End of DB
ldy #0
jsr PWD.NextString skip name
jsr PWD.NextString skip password
jsr PWD.GetByte
cmp .8+1
bcc .4
sta .8+1
.4 jsr PWD.NextLine
bra .1
.8 lda #$ff SELF MODIFIED
inc
beq .9
clc
rts
.9 lda #E.IUSR
sec
rts
*--------------------------------------
PWD.DeleteRecord
jsr PWD.FindRecord
bcs .9
.1 iny
lda (ZPPtr3),y
cmp #C.CR
bne .1
sty .3+1
tya
sec
adc ZPPtr3
sta ZPPtr4
lda ZPPtr3+1
adc #0
sta ZPPtr4+1
ldy #$ff
.2 iny
lda (ZPPtr4),y
sta (ZPPtr3),y
bne .2
lda PWD.UsrDBSize
sec
.3 sbc #$ff SELF MODIFIED
sta PWD.UsrDBSize
bcs .8
dec PWD.UsrDBSize+1
.8 clc
.9 rts
*--------------------------------------
PWD.FindRecord lda PWD.hUsrDB
jsr K.GetmemPtr
>STYA ZPPtr3
.2 lda (ZPPtr3)
beq .9 End of DB
ldy #$ff
.3 iny
jsr SHARED.TXTPTR.GetY
beq .4
cmp (ZPPtr3),y
beq .3
.5 jsr PWD.NextLine
bra .2
.4 lda (ZPPtr3),y
cmp #':'
bne .5
iny skip ":"
clc
rts
.9 lda #E.IUSR
sec
rts
*--------------------------------------
* USERNAME:PASSWORD:UID:GID:GECOS:HOME:SHELL\CR
*--------------------------------------
PWD.Record2Session
ldy #0
jsr PWD.NextString skip USERNAME
jsr PWD.NextString skip PASSWORD
jsr PWD.GetByte get UID
sta ZPPtr1
iny
jsr PWD.GetByte get GID
sta ZPPtr1+1
iny
lda #0
ldx ZPPtr1
bne .1
ora #S.SESSION.P.ROOT
.1 ldx ZPPtr1+1
bne .2
ora #S.SESSION.P.SYSADMIN
.2 jsr SHARED.PutCharPtr2
lda ZPPtr1
jsr SHARED.PutCharPtr2 UID
lda ZPPtr1+1
jsr SHARED.PutCharPtr2 GID
phy
ldy #$ff
.3 iny
lda (ZPPtr3),y
cmp #':'
beq .4
jsr SHARED.PutCharPtr2
bra .3
.4 lda #0
jsr SHARED.PutCharPtr2
ply
.5 lda (ZPPtr3),y
cmp #C.CR
beq .8
cmp #':'
bne .6
lda #0
.6 jsr SHARED.PutCharPtr2
iny
bra .5
.8 lda #0
jmp SHARED.PutCharPtr2
*--------------------------------------
PWD.Record2PW ldy #0
ldx #0 NAME
.1 lda (ZPPtr3),y
iny
cmp #':'
beq .2
jsr SHARED.FORPNT.PutNext
inx
bra .1
.2 lda #0
jsr SHARED.FORPNT.PutNext
inx
cpx #S.PW.PASSWD
bne .2
.3 lda (ZPPtr3),y
iny
cmp #':'
beq .4
jsr SHARED.FORPNT.PutNext
inx
bra .3
.4 lda #0
jsr SHARED.FORPNT.PutNext
inx
cpx #S.PW.UID
bne .4
jsr PWD.GetByte UID
jsr SHARED.FORPNT.PutNext
iny
jsr PWD.GetByte GID
jsr SHARED.FORPNT.PutNext
iny
ldx #S.PW.GECOS
.5 lda (ZPPtr3),y
iny
cmp #':'
beq .6
jsr SHARED.FORPNT.PutNext
inx
bra .5
.6 lda #0
jsr SHARED.FORPNT.PutNext
inx
cpx #S.PW.DIR
bne .6
.7 lda (ZPPtr3),y
iny
cmp #':'
beq .8
jsr SHARED.FORPNT.PutNext
inx
bra .7
.8 lda #0
jsr SHARED.FORPNT.PutNext
inx
cpx #S.PW.SHELL
bne .8
.9 lda (ZPPtr3),y
iny
cmp #C.CR
beq .10
jsr SHARED.FORPNT.PutNext
inx
bra .9
.10 lda #0
jsr SHARED.FORPNT.PutNext
clc
rts
*--------------------------------------
PWD.Record2GR ldy #0
ldx #0 NAME
.1 lda (ZPPtr3),y
iny
cmp #':'
beq .2
jsr SHARED.FORPNT.PutNext
inx
bra .1
.2 lda #0
jsr SHARED.FORPNT.PutNext
jsr PWD.GetByte UID
jsr SHARED.FORPNT.PutNext
clc
rts
*--------------------------------------
PWD.NextString lda (ZPPtr3),y
beq .8
iny
cmp #':'
bne PWD.NextString
.8 rts
*--------------------------------------
PWD.NextLine lda (ZPPtr3),y
beq .8
iny
cmp #C.CR
bne PWD.NextLine
tya
clc
adc ZPPtr3
sta ZPPtr3
bcc .8
inc ZPPtr3+1
.8 rts
*--------------------------------------
PWD.GetByte stz .8+1
.1 lda (ZPPtr3),y
beq .8
cmp #C.CR
beq .8
cmp #':'
beq .8
and #$f
pha
lda .8+1
asl
asl
clc
adc .8+1
asl
sta .8+1
pla
clc
adc .8+1
sta .8+1
iny
bra .1
.8 lda #$ff SELF MODIFIED
clc
rts
*--------------------------------------
PWD.AppendRecord
.1 lda (ZPPtr3)
beq .8
inc ZPPtr3
bne .1
inc ZPPtr3+1
bra .1
.8 sec
.HS 90 BCC
*--------------------------------------
PWD.GetRecordLen
clc
ldx #0
ldy #S.PW.NAME-1
jsr PWD.StoreString
lda #':'
jsr PWD.StoreChar
ldy #S.PW.PASSWD-1
jsr PWD.StoreString
lda #':'
jsr PWD.StoreChar
ldy #S.PW.UID
jsr SHARED.TXTPTR.GetY
jsr PWD.StoreByte
lda #':'
jsr PWD.StoreChar
ldy #S.PW.GID
jsr SHARED.TXTPTR.GetY
jsr PWD.StoreByte
lda #':'
jsr PWD.StoreChar
ldy #S.PW.GECOS-1
jsr PWD.StoreString
lda #':'
jsr PWD.StoreChar
ldy #S.PW.DIR-1
jsr PWD.StoreString
lda #':'
jsr PWD.StoreChar
ldy #S.PW.SHELL-1
jsr PWD.StoreString
lda #C.CR
jsr PWD.StoreChar
txa
PWD.GetRecordLen.RTS
rts
*--------------------------------------
PWD.StoreString jsr SHARED.TXTPTR.GetY
beq PWD.GetRecordLen.RTS
jsr PWD.StoreChar
iny
bra PWD.StoreString
*--------------------------------------
PWD.StoreByte php
phx
jsr MATH32.A2STR10NP
plx
plp
ldy #0
.1 lda A2osX.NumStrBuf,y
beq PWD.GetRecordLen.RTS
iny
jsr PWD.StoreChar
bra .1
*--------------------------------------
PWD.StoreChar inx
bcc .9 Dry run, no store
sta (ZPPtr3)
inc ZPPtr3
bne .9
inc ZPPtr3+1
.9 rts
*--------------------------------------
PWDX.ROOT .DA #S.SESSION.P.ROOT
.DA #0 UID
.DA #0 GID
.AZ "root" NAME
.AZ "Root User" GECOS
.AZ "${ROOT}root/" DIR
.AZ "${ROOT}bin/sh" SHELL
PWDX.ROOT.Size .EQ *-PWDX.ROOT
*--------------------------------------
PWDX.GROUP .AS "root:0"
.DA #C.CR
.AS "users:1"
.DA #C.CR
.DA #0
PWDX.GROUP.Size .EQ *-PWDX.GROUP
*--------------------------------------
MAN
SAVE USR/SRC/SYS/KERNEL.S.PWDX
LOAD USR/SRC/SYS/KERNEL.S
ASM
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