From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pablo Neira <pablo@eurodev.net>
Subject: Re: New target: can't delete rule
Date: Tue, 13 Sep 2005 01:24:21 +0200
Message-ID: <43260E25.6020600@eurodev.net>
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To: Gervasio Bernal <gervasiobernal@speedy.com.ar>
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Gervasio Bernal wrote:
>     I did what you said, but I cannot make walk it. 
> 
> This is my libipt_CRYPT.c 
> 
> static struct iptables_target CRYPT 
> = { 
>     .name            = "CRYPT", 
>     .version         = IPTABLES_VERSION, 
>     .size            = IPT_ALIGN(sizeof(struct ipt_CRYPT_info)), 
>     .userspacesize   = offsetof(struct ipt_CRYPT_info,
> table_alloc_ptr),        
>     .help            = &help, 
>     .init            = &init, 
>     .parse           = &parse, 
>     .final_check     = &final_check, 
>     .print           = &print, 
>     .save            = &save, 
>     .extra_opts      = opts 
> }; 
> 
> 
> This is my ipt_CRYPT.h 
> 
> struct ipt_CRYPT_info 
> { 
>         char key[MAX_KEY_SIZE]; 
>         unsigned int block_size; 
>         unsigned int key_size; 
> 
>         struct tabla_alloc* table_alloc_ptr; 
> }; 
> 
> struct tabla_alloc 
> { 
>         struct crypto_tfm *tfm; 
>         struct tabla_alloc* next; 
>         struct tabla_alloc* ant; 
> }; 

It looks fine. Which iptables version are you using? If my mind servers
well, I remember that there was a bug related with targets and the use
of userspacesize in old iptables versions (<= 1.3.1). If so, please try
with the lastest update.

--
Pablo