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Re: [PATCH] NSE ipv4 checks
From: David Fifield <david () bamsoftware com>
Date: Tue, 19 Apr 2011 11:16:12 -0700

On Mon, Mar 28, 2011 at 10:52:41PM +0200, Henri Doreau wrote:
2011/3/27 Djalal Harouni <tixxdz () opendz org>:

Speaking about NSE IPv6, there are some scripts which assume that they
are running in the IPv4 mode even if the '-6' option was specified. This
is buggy code.

Scripts that are using protocols which are available _only_ in one mode
IPv4 or IPv6, can call the nmap.address_family() function, check the
returned string 'inet' or 'inet6' and fail silently with a debug
message.

Hello,

Please find attached a patch that add such a check for several IPv4
only scripts. I have only checked and fixed scripts that perform "raw"
packets manipulation.

The patch also contains error messages standardization, replacing
nmap.log_write() with hardcoded script name by the more common
stdnse.print_debug() using the SCRIPT_NAME variable (as noticed in
[1]).
The same scripts and functions are concerned by both modifications.

Thanks, Henri. I split the patch into two and committed it.

David Fifield
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