A2osX/BIN/IPCONFIG.S.DHCP.txt
2019-01-14 16:37:56 +00:00

373 lines
6.3 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

NEW
PREFIX
AUTO 4,1
.LIST OFF
*--------------------------------------
DHCP.INIT lda (pIPCFG)
and #S.IPCFG.STATUS.OK
bne .99 Already Configured, exit
ldy #S.IPCFG-1
.1 lda (pIPCFG),y
sta IPCFG,y
dey
bne .1
stz IPCFG+S.IPCFG.STATUS
ldx #3
.11 lda A2osX.TIMER16,x
sta DHCP.DISC.XID,x
sta DHCP.REQ.XID,x
dex
bpl .11
ldx #5
.2 lda IPCFG+S.IPCFG.MAC,x
sta DHCP.DISC.CHADDR,x
sta DHCP.REQ.CHADDR,x
dex
bpl .2
clc
.9 rts
.99 >LDYA L.MSG.DHCP.NA
.90 >SYSCALL puts
lda #0
sec
rts
*--------------------------------------
DHCP.RUN >PUSHBI 0 no protocol
lda #S.SOCKET.T.DGRAM
>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
bcc .1
.9 jmp DHCP.RUN.KO
.1 >STA.G hSocket
pha
>PUSHW L.SA.LOCAL
pla
>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
bcs .9
>PUSHWI S.SOCKET.O.BROADCAST
>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.setsockopt
>PUSHW L.SA.REMOTE
>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Connect
bcs .9
>LDYA L.MSG.DHCP.CFG1
>SYSCALL puts
jsr Init.Timeout
DHCP.RUN.SDISC >PUSHWI DHCP.DISC.LEN
>PUSHW L.DHCP.DISC
>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Send
bcc .1
jmp DHCP.RUN.KO
.1 lda #S.IPCFG.STATUS.SDISC
sta IPCFG
DHCP.RUN.ROFFER >SLEEP
jsr DHCP.RUN.SKT.RCVD
bcc .1
jsr Wait.Timeout
bne DHCP.RUN.ROFFER
lda #1
jmp DHCP.RUN.KO
.1 jsr CheckDHCPOffer
bcs DHCP.RUN.ROFFER
lda #S.IPCFG.STATUS.ROFFER
sta IPCFG
DHCP.RUN.SREQ ldx #3
.1 >PUSHB IPCFG+S.IPCFG.DHCPSRVR,x
dex
bpl .1
>PUSHBI 4
>LDYA L.MSG.DHCP.CFG2
>SYSCALL printf
>PUSHWI DHCP.REQ.LEN
>PUSHW L.DHCP.REQ
>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Send
bcs DHCP.RUN.KO
lda #S.IPCFG.STATUS.SREQ
sta IPCFG
DHCP.RUN.RACK >SLEEP
jsr DHCP.RUN.SKT.RCVD
bcc .1
jsr Wait.Timeout
bne DHCP.RUN.RACK
lda #2
bra DHCP.RUN.KO
.1 jsr CheckDHCPAck
bcs DHCP.RUN.RACK
DHCP.RUN.OK lda #S.IPCFG.STATUS.OK
sta IPCFG
>PUSHW L.IPCFG
>LIBCALL hLIBTCPIP,LIBTCPIP.SETCFG
ldx #3
.1 lda IPCFG+S.IPCFG.MASK,x
>PUSHA
dex
bpl .1
ldx #3
.2 lda IPCFG+S.IPCFG.IP,x
>PUSHA
dex
bpl .2
>PUSHBI 8
>LDYA L.MSG.DHCP.OK
>SYSCALL printf
lda #0 Leave with NO ERROR
sec
rts
DHCP.RUN.KO pha
>PUSHA
>PUSHBI 1
>LDYA L.MSG.DHCP.KO
>SYSCALL printf
pla
sec
rts
*--------------------------------------
DHCP.RUN.SKT.RCVD
>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Recv
bcs .9
>STA.G hFrame
>SYSCALL GetMemPtr
>STYA ZPFrameBase
.9 rts
*--------------------------------------
DHCP.QUIT >LDA.G hSocket
beq .1
>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
.1 clc
rts
*--------------------------------------
CheckDHCPOffer jsr CheckDHCPXID
bcs .9
lda ZPFrameBase
clc
adc #S.DHCP.OPTIONS
sta ZPFramePtr
lda ZPFrameBase+1
adc /S.DHCP.OPTIONS
sta ZPFramePtr+1
lda (ZPFramePtr)
cmp #S.DHCP.OPTIONS.MSGTYPE
bne .9
ldy #2
lda (ZPFramePtr),y
cmp #S.DHCP.OPTIONS.DHCPOffer
bne .9
ldy #S.DHCP.GIADDR+3
ldx #3
.1 lda (ZPFrameBase),y
sta DHCP.REQ.GIADDR,x
dey
dex
bpl .1
ldy #S.DHCP.YIADDR+3
ldx #3
.2 lda (ZPFrameBase),y
sta DHCP.REQ.OPT.REQIP,x
sta IPCFG+S.IPCFG.IP,x
dey
dex
bpl .2
ldy #S.IP.SRC+3
ldx #3
.3 lda (ZPFrameBase),y
sta DHCP.REQ.OPT.SVRIP,x
sta IPCFG+S.IPCFG.DHCPSRVR,x
dey
dex
bpl .3
.5 inc ZPFramePtr skip Option 53 (DHCPOffer:530102)
bne .6
inc ZPFramePtr+1
.6 lda (ZPFramePtr)
sec
adc ZPFramePtr add option len + 1
sta ZPFramePtr
bcc .7
inc ZPFramePtr+1
.7 lda (ZPFramePtr)
cmp #S.DHCP.OPTIONS.END
beq .8
jsr GetDHCPOption
bra .5
.8 jsr CS.RUN.DISCARD
clc
rts
.9 jsr CS.RUN.DISCARD
sec
rts
*--------------------------------------
GetDHCPOption cmp #S.DHCP.OPTIONS.MASK
bne .1
ldx #S.IPCFG.MASK
bra GetDHCPOption.CopyIP
.1 cmp #S.DHCP.OPTIONS.GW
bne .2
ldx #S.IPCFG.GW
bra GetDHCPOption.CopyIP
.2 cmp #S.DHCP.OPTIONS.DNS
bne .3
ldx #S.IPCFG.DNS1
bra GetDHCPOption.CopyIP
.3 cmp #S.DHCP.OPTIONS.DOMAIN
bne .9
ldy #1
lda (ZPFramePtr),y Get String len
cmp #80
bcc .4
lda #79
.4 sta IPCFG+S.IPCFG.DOMAIN store len
tax
.5 iny
lda (ZPFramePtr),y
sta IPCFG+S.IPCFG.DOMAIN-1,y
dex
bne .5
.9 rts
*--------------------------------------
GetDHCPOption.CopyIP
ldy #1
lda (ZPFramePtr),y Get Byte count
cmp #9
bcc .1
lda #8 max 8 bytes (2 DNS)
.1 iny
.2 pha
lda (ZPFramePtr),y
sta IPCFG,x
iny
inx
pla
dec
bne .2
rts
*--------------------------------------
CheckDHCPAck jsr CheckDHCPXID
bcs .9
lda ZPFrameBase
clc
adc #S.DHCP.OPTIONS
sta ZPFramePtr
lda ZPFrameBase+1
adc /S.DHCP.OPTIONS
sta ZPFramePtr+1
lda (ZPFramePtr)
cmp #S.DHCP.OPTIONS.MSGTYPE
bne .9
ldy #2
lda (ZPFramePtr),y
cmp #S.DHCP.OPTIONS.DHCPAck
bne .9
jsr CS.RUN.DISCARD
clc
rts
.9 jsr CS.RUN.DISCARD
sec
rts
*--------------------------------------
CS.RUN.DISCARD >LDA.G hFrame
>SYSCALL FreeMem
rts
*--------------------------------------
CheckDHCPXID ldy #S.DHCP.XID+3
ldx #3
.1 lda (ZPFrameBase),y
cmp DHCP.DISC.XID,x same XID ?
bne .9
dey
dex
bpl .1
clc
rts
.9 sec
rts
*--------------------------------------
MAN
SAVE USR/SRC/SBIN/IPCONFIG.S.DHCP
LOAD USR/SRC/SBIN/IPCONFIG.S
ASM