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Code Issues Releases Activity

Tighten /entropy permissions.

Browse Source 
PR:		219527
Reported by:	Lu Tung-Pin <lutungpin at openmailbox.org>
Submitted by:	jilles
MFC after:	3 days
This commit is contained in:
Xin LI 2017-05-27 06:24:06 +00:00
parent ef7161e774
commit 335917f071
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=318975
1 changed files with 6 additions and 4 deletions
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10
etc/rc.d/random
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@ -20,12 +20,14 @@ saveseed_cmd="${name}_stop"
save_dev_random()
{
oumask=`umask`
umask 077
for f ; do
if :>>"$f" ; then
debug "saving entropy to $f"
dd if=/dev/random of="$f" bs=4096 count=1 2>/dev/null
fi
debug "saving entropy to $f"
dd if=/dev/random of="$f" bs=4096 count=1 status=none &&
chmod 600 "$f"
done
umask ${oumask}
}
feed_dev_random()