Re: NSE Socket Operation on a non-socket

[jah <jah () zadkiel plus com>]

On 19/07/2009 08:13, Joao Correa wrote:
> I've tried to reproduce the errors using the commands David mentioned.
> I also used the common ips file provided by Patrick. The only error
> I've found was:
>
> ./nselib/stdnse.lua:61: bad argument #4 to 'format' (string expected, got table)
> stack traceback:
>       [C]: in function 'format'
>       ./nselib/stdnse.lua:61: in function 'print_debug'
>       ./scripts\html-title.nse:180: in function 'is_vhost'
>       ./scripts\html-title.nse:114: in function 'rule'
>       ./scripts\html-title.nse:156: in function 'redirect_ok'
>       ./scripts\html-title.nse:55: in function <./scripts\html-title.nse:45>
>       (tail call): ?
>
> This error happens due to a return from dns.query(). I'm not very
> familiar with dns.lua, so I'm not able to point the 'cause of the
> problem. Also, this problem only happens while running on windows XP
> SP2, and not on linux. Anyway, both errors does not seem to be
> connected...
This error happens because dns.query() isn't consistent about its return
values and instead of returning: false, "err message" under certain
circumstances (as nsedoc suggests), it returns: false, table.
Good find Joao.

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