Edit nmap database for os detection

[Tien To Tran <totrantien () gmail com>]

Hi all :)

I try to discover a network topology by using nmap. Part of the job is
detect device type.

I want to add my device information into the nmap database (which is not
available before). Of course, I know we can submit and wait an update from
the developers, but that costs much time, and some of my devices can't be
public for security reason.

This is the fingerprint I got:

OS:SCAN(V=6.49BETA4%E=4%D=7/25%OT=21%CT=1%CU=37287%PV=Y%DS=1%DC=D%G=Y%M=002
OS:3CD%TM=55B3910D%P=i686-pc-linux-gnu)SEQ(TI=I%CI=I%TS=U)SEQ(CI=I%TS=U)OPS
OS:(O1=M578%O2=M578%O3=M578%O4=%O5=%O6=)WIN(W1=AF0%W2=AF0%W3=AF0%W4=0%W5=0%
OS:W6=0)ECN(R=Y%DF=N%T=FE%W=0%O=%CC=Y%Q=)T1(R=Y%DF=N%T=FE%S=O%A=S+%F=AS%RD=
OS:0%Q=)T2(R=Y%DF=N%T=FE%W=0%S=Z%A=S%F=AR%O=%RD=0%Q=)T3(R=Y%DF=N%T=FE%W=0%S
OS:=Z%A=S+%F=AR%O=%RD=0%Q=)T4(R=Y%DF=N%T=FE%W=0%S=A%A=Z%F=R%O=%RD=0%Q=)T5(R
OS:=Y%DF=N%T=FE%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)T6(R=Y%DF=N%T=FE%W=0%S=A%A=Z%F
OS:=R%O=%RD=0%Q=)T7(R=Y%DF=N%T=FE%W=0%S=Z%A=S%F=AR%O=%RD=0%Q=)U1(R=Y%DF=N%T
OS:=FE%IPL=38%UN=0%RIPL=G%RID=G%RIPCK=G%RUCK=G%RUD=G)IE(R=Y%DFI=N%T=FE%CD=S
OS:)

I reformat it:

# router TPLINK TD-8817 -O ip_addr
Fingerprint TPLINK TD-8817 ADSL modem
Class TPLINK | embedded || broadband router
CPE cpe:/h:tplink:td8817
SEQ(CI=I%TS=U%CI=RD%II=I%TS=U)
OPS(O1=M578%O2=%O3=%O4=%O5=%O6=)
WIN(W1=AF0%W2=0%W3=0%W4=0%W5=0%W6=0)
ECN(R=Y%DF=N%T=FE%W=0%O=%CC=Y%Q=)
T1(R=Y%DF=N%T=FE%S=O%A=S+%F=AS%RD=0%Q=)
T2(R=Y%DF=N%T=FE%W=0%S=Z%A=S%F=AR%O=%RD=0%Q=)
T3(R=Y%DF=N%T=FE%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)
T4(R=Y%DF=N%T=FE%W=0%S=A%A=Z%F=R%O=%RD=0%Q=)
T5(R=Y%DF=N%T=FE%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)
T6(R=Y%DF=N%T=FE%W=0%S=A%A=Z%F=R%O=%RD=0%Q=)
T7(R=Y%DF=N%T=FE%W=0%S=Z%A=S%F=AR%O=%RD=0%Q=)
U1(R=Y%DF=N%T=FE%IPL=38%UN=0%RIPL=G%RID=G%RIPCK=G%RUCK=G%RUD=G)
IE(R=Y%DFI=N%T=FE%CD=S)

However, it makes nmap -O ip_addr crashed. Are there any reliable way to
update the database ourselves?

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