On Sat, 2 Oct 2010 13:59:30 +0200
Nicola Padovano <nicola.padovano@xxxxxxxxx> wrote:
> Hello there.
> I've written checkentry function to check my new target, in this way:
>
> [CHECK_ENTRY_CODE]
> static bool xt_tarpit_check(const char *tablename, const void *entry,
> const struct xt_target *target, void *targinfo,
> unsigned int hook_mask)
> {
> if (strcmp(tablename, "filter")) {
> printk(KERN_INFO "DEBUG: the tablename (not FILTER) is %s\n",tablename);
> return false;
> }
> return true;
> }
> [/CHECK_ENTRY_CODE]
>
> but it doesn't work.
> In fact if I do:
>
> iptables -A INPUT -t filter -s 192.168.0.1 -p tcp -j TAR
>
> the printk prints this message: DEBUG: the tablename (not FILTER) is: ï%H ï
>
> so: in the tablename i haven't the string "filter"...what' the matter?
>
In current kernels, checkentry returns errno values.
0 = okay
<0 is error (example -EINVAL).
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