Groups > gnu.bash.bug > #12027

Re: SHELLOPTS=xtrace security hardening

From	Chet Ramey <chet.ramey@case.edu>
Newsgroups	gnu.bash.bug
Subject	Re: SHELLOPTS=xtrace security hardening
Date	2015-12-15 11:49 -0500
Message-ID	<mailman.2175.1450198203.31583.bug-bash@gnu.org> (permalink)
References	(3 earlier) <20151214180113.169546iutu72yw9k@webmail.alunos.dcc.fc.up.pt> <20151214173231.GA6524@chaz.gmail.com> <20151215003016.598611ow5f3lw4qo@webmail.alunos.dcc.fc.up.pt> <20151215111627.GA6836@chaz.gmail.com> <20151215173747.666455ueht7z5mw4@webmail.alunos.dcc.fc.up.pt>

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On 12/15/15 11:37 AM, up201407890@alunos.dcc.fc.up.pt wrote:

>> You just need to enable history (set -o history).  History is independent
>> of whether or not the shell is interactive; it's just enabled by default
>> in interactive shells.
> 
> doing a "set -o history" didn't work for me, only when i added a "history
> -a" eg:

$ cat x19
#!/bin/bash

rm -f /tmp/history	# make sure it's not there

set -o history
HISTFILE="/tmp/history"
HISTSIZE="1000"

printf 'something\n'
$ ../bash-4.3-patched/bash ./x19
something
$ ls -l /tmp/history
-rw-------  1 chet  wheel  61 Dec 15 11:48 /tmp/history
$ cat /tmp/history
HISTFILE="/tmp/history"
HISTSIZE="1000"
printf 'something\n'



-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/

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Re: SHELLOPTS=xtrace security hardening Chet Ramey <chet.ramey@case.edu> - 2015-12-15 11:49 -0500

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