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Re: [NSE] DNS update support
From: Patrik Karlsson <patrik () cqure net>
Date: Fri, 14 Jan 2011 16:17:00 +0100
On 14 jan 2011, at 05.12, David Fifield wrote:
On Tue, Jan 11, 2011 at 08:01:08AM +0100, Patrik Karlsson wrote:
On 10 jan 2011, at 02.58, David Fifield wrote:
On Mon, Jan 10, 2011 at 02:15:45AM +0100, Patrik Karlsson wrote:
I just finished some work on the DNS library adding support for unauthenticated dynamic updates.
I'm including a patch that adds the support and a script dns-update that makes us of it.
The script attempt to add a record specified as an argument and returns a message if it was successful.
Any comments or feedback are always appreciated.
I get this error:
./nmap --datadir . --script=dns-update -d 192.168.0.1 -sU -p53 --script-args
./nselib/dns.lua:708: attempt to concatenate a nil value
./nselib/dns.lua:708: in function <./nselib/dns.lua:704>
(tail call): ?
./nselib/dns.lua:775: in function 'encode'
./nselib/dns.lua:1254: in function 'update'
./scripts/dns-update.nse:53: in function <./scripts/dns-update.nse:46>
(tail call): ?
With "foo.bar.com" instead of "foo", the script finishes but doesn't
make any output.
Sorry my bad. I fixed the error by making some additional checks.
The script produces no output unless the DNS update is successful.
Do you think the script should produce a message similar to "Dynamic update of record nmap-test.cqure.net failed" on
failure as well?
No, I think no output is fine.
I'm including an updated script and a new patch file for dns.lua.
Looks good, please commit.
It's commited as r21771.
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