Re: gopher directory listing script

[Toni Ruottu <toni.ruottu () iki fi>]

This patch adds the limiting you requested. Ten files will be shown by
default, but this can be changed with a script argument. The patch
also adds support for showing filenames. As a minor fix I changed a
variable name from "type" to "gtype". "type" seems to be a reserved
word in Lua and I wanted to be on the safe side.

On Wed, Dec 29, 2010 at 8:54 PM, David Fifield <david () bamsoftware com> wrote:
> On Fri, Dec 17, 2010 at 06:42:03PM +0200, Toni Ruottu wrote:
> >   hello again folks
> >
> > This time I wrote a script that lists files and directories published
> > at the root of a gopher server. Try it out on some public gopher
> > server. It should just use the protocol as intended, so it should not
> > be too intrusive. For example try the following...
> >
> > nmap --script=gopher-ls.nse -p 70 gopher.quux.org
>
> Looks good. I've committed it.
>
> I changed it to put newlines in between entries instead of commas.
>
> I want you to add a script argument, gopher-ls.maxlist, to prevent
> flooding the output if there are thousands of files. Take a look at
> ftp-anon and nfs-ls for examples.
>
> When I connect directly to a Gopher server I see what look like
> filenames that aren't shown in the script output. I think the script
> should show them too.
>
> $ ./nmap --datadir . --script gopher-ls gopher.quux.org -p70 -d
> PORT   STATE SERVICE REASON
> 70/tcp open  gopher  syn-ack
> | gopher-ls:
> | [txt] About This Server
> | [dir] Archives
> | [dir] Books
> | [dir] Communication
> | [txt] Gopher's 10th Anniversary
>
> $ echo $'\r\n' | ncat gopher.quux.org 70 | grep '^[01]'
> 0About This Server      /About This Server.txt  gopher.quux.org 70      +
> 1Archives       /Archives       gopher.quux.org 70      +
> 1Books  /Books  gopher.quux.org 70      +
> 1Communication  /Communication  gopher.quux.org 70      +
> 0Gopher's 10th Anniversary      /3.0.0.txt      gopher.quux.org 70
>
> You might find the tab library useful (http://nmap.org/nsedoc/lib/tab).
> See nfs-ls for an example of using it.
>
> David Fifield

Attachment: gopher-ls-limit.patch
Description:

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