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Date: Wed, 31 Mar 2021 12:44:57 -0700
From: Alan Coopersmith <alan.coopersmith@...cle.com>
To: libc-coord@...ts.openwall.com,
Adhemerval Zanella <adhemerval.zanella@...aro.org>,
Dan Raymond <draymond@...valley.net>, libc-alpha@...rceware.org,
Rich Felker <dalias@...c.org>
Subject: Re: syslog and LOG_KERN - Re: [PATCH] Bug 3604: fix
calls to openlog() with LOG_KERN facility
On 3/31/21 12:27 PM, Adhemerval Zanella wrote:
>
>
> On 27/03/2021 17:07, Dan Raymond wrote:
>> From 93683928886a563a4740e2b42b53752a4a7d431f Mon Sep 17 00:00:00 2001
>> From: Dan Raymond <draymond@...valley.net>
>> Date: Sat, 27 Mar 2021 13:51:16 -0600
>> Subject: [PATCH] Bug 3604: fix calls to openlog() with LOG_KERN facility
>>
>
> Not allowing LOG_KERN by any user process seems to be de facto behavior
> on all systems I am aware of:
>
> * FreeBSD and MUSL explicit set to previous log facility (they check
> if the priority against a mask and since on both LOG_KERN is 0 is
> set to the previous/default value).
>
> * Solaris 11.4 man page explicit says:
>
> LOG_KERN Messages generated by the kernel. These cannot be gener-
> ated by any user processes.
The Solaris implementation is similar to FreeBSD & MUSL - LOG_KERN is 0,
so appears the same to syslog() as not specifying a facility and letting
the default value be used.
--
-Alan Coopersmith- alan.coopersmith@...cle.com
Oracle Solaris Engineering - https://blogs.oracle.com/alanc
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