Date: Mon, 31 May 2021 20:54:35 -0700 From: Gordon Tetlow <gordon@tetlows.org> To: Roger Marquis <marquis@roble.com> Cc: Fas Xmut <fasxmut@protonmail.com>, freebsd-security@freebsd.org Subject: Re: sysrc bug Message-ID: <E8315698-19C7-46FB-AD46-CD61057FECD7@tetlows.org> In-Reply-To: <s2s2o821-3n23-6811-2020-s172porqps6n@mx.roble.com>
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> On May 31, 2021, at 16:07, Roger Marquis <marquis@roble.com> wrote: > > >> >> Also, changing the root shell is bad for many reasons and I'm not >> surprised that something doesn't work. > > Surprised this old myth is still being repeated. Having used various > root shells in FreeBSD and other Unux/Linux systems for decades I have to > ask specifically what said reasons are, particularly considering > /usr/sbin/sysrc starts with "#!/bin/sh" (as does and should every system > shell script). It’s likely due to the quoting behavior of newlines passed as the argument when he ran the script, which varies between shell implementations. As I said, I’m not surprised something broke because many utilities are not tested with different shell behaviors. I also believe if we have a reproducible test case, we should go ahead and fix it. Gordonhome | help
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