[Bug 1730] nft does not handle IPv6 addresses with embedded IPv4 addresses

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=1730

--- Comment #4 from Pablo Neira Ayuso <pablo at netfilter.org> ---
Cursory look at inet_pton()

static const char *                                                             
inet_ntop6 (const u_char *src, char *dst, socklen_t size)                       
{                                                                               
        /*                                                                      
         * Note that int32_t and int16_t need only be "at least" large enough   
         * to contain a value of the specified size.  On some systems, like     
         * Crays, there is no such thing as an integer variable with 16 bits.   
         * Keep this in mind if you think this function should have been coded  
         * to use pointer overlays.  All the world's not a VAX.                 
         */                                                                     
        char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;

shows that the intention is to support for embedded IPv4 notation as an IPv6
suffix.

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