Date: Mon, 21 Apr 2014 18:34:43 +0400 From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: bycn82 <bycn82@gmail.com>, freebsd-ipfw@freebsd.org Subject: Re: how does it pass in the rule sets Message-ID: <53552C83.7060008@FreeBSD.org> In-Reply-To: <5352298C.2090902@gmail.com> References: <5352298C.2090902@gmail.com>
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On 19.04.2014 11:45, bycn82 wrote: > Hi, > can someone help to explain how does the user land command `ipfw` pass > the rule set into the hook function in the kernel? I assume that it must > be hardcoded in somewhere, but I did not find it yet. ipfw(8) uses raw socket and setsockopt(2)/getsockopt(2) functions to interact with kernel. In particular, do_cmd() function from ipfw2.c does it. -- WBR, Andrey V. Elsukov
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