Re: [PATCH v3 1/1] iptables: Fix crash on malformed iptables-restore

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Oliver Ford <ojford@xxxxxxxxx> wrote:
> Filter a beginning '--t'. Because the getopt_long function allows abbreviations,
> any parameter beginning with '--t' will be treated as '--table'.

No, thats not correct:
--t is treated as --table.
--tfoo is an invalid option.
--ttl is ttl.

So this:

> +				|| !strncmp(param_buffer, "--t", 3)) {
>  				xtables_error(PARAMETER_PROBLEM,
> +					"The -t option (seen in line %u) cannot be "
> +					"used in ip6tables-restore.\n", line);

.. rejects rules like

-A INPUT -m ttl --ttl 32
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