Date: Wed, 10 Jan 2001 12:52:17 +0100 (CET) From: Andrzej Bialecki <abial@webgiro.com> To: Tomasz Paszkowski <ns88@k.pl> Cc: freebsd-current@freebsd.org Subject: Re: securelevel and sysctl Message-ID: <Pine.BSF.4.20.0101101248320.54435-100000@mx.webgiro.com> In-Reply-To: <20010110012948.A19896@genesis.k.pl>
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On Wed, 10 Jan 2001, Tomasz Paszkowski wrote: > > I'am working on module, which catches __sysctl system call, and on > securelevel grater than 3, refuse any changes of sysctl oids. Are there any You might want to take a look at SPY module (http://people.freebsd.org/~abial/spy). > problems, which might happen after blocking sysctl oids change ? > AFAIR there is no such application running in user Space,which requires > ability to change sysctl oids,is there ? Several oids are changed on system startup. Others are accessed read-only to provide system information. > Secondly I'was thinking about oids,which are needed for user space aplications > to work. I figured out,that vi use some (I didn't check which one) oid on > startup, so is there a list of oids used by user space applications ? Well, it depends on what the user applications want to access, doesn't it :-). Theoretically, this list could be all oids. Practically, it depends on the user applications that are installed... Andrzej Bialecki // <abial@webgiro.com> WebGiro AB, Sweden (http://www.webgiro.com) // ------------------------------------------------------------------- // ------ FreeBSD: The Power to Serve. http://www.freebsd.org -------- // --- Small & Embedded FreeBSD: http://www.freebsd.org/~picobsd/ ---- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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