mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-29 06:42:45 +00:00
Reseed the random device as early as possible to prevent hangs,
and provide some form of entropy in case there is no seed file to prevent a reboot from hanging unnecessarily.
This commit is contained in:
parent
a6278a2a42
commit
318cc4ad59
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=67113
39
etc/rc
39
etc/rc
@ -69,6 +69,31 @@ elif [ -r /etc/rc.conf ]; then
|
||||
. /etc/rc.conf
|
||||
fi
|
||||
|
||||
# Recover some entropy so the rebooting /dev/random can reseed
|
||||
#
|
||||
case ${entropy_file} in
|
||||
[Nn][Oo] | '')
|
||||
;;
|
||||
*)
|
||||
if [ -w /dev/random ]; then
|
||||
if [ -f ${entropy_file} -a -r ${entropy_file} ]; then
|
||||
echo "Reading entropy file"
|
||||
cat ${entropy_file} > /dev/random 2> /dev/random
|
||||
rm -f ${entropy_file}
|
||||
else
|
||||
echo "No entropy file, trying other sources"
|
||||
# XXX temporary until we can get the entropy
|
||||
# harvesting rate up
|
||||
# Entropy below is not great, but better than nothing.
|
||||
(ps -gauxwww; iostat; vmstat; dmesg) > /dev/random 2> /dev/random
|
||||
( for i in /etc /var/run ; do
|
||||
cd $i ; ls -al ; cat *
|
||||
done ) > /dev/random 2> /dev/random
|
||||
fi
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
|
||||
# Configure ccd devices.
|
||||
#
|
||||
if [ -r /etc/ccd.conf ]; then
|
||||
@ -158,20 +183,6 @@ if [ -n "${diskless_mount}" -a -r "${diskless_mount}" ]; then
|
||||
sh ${diskless_mount}
|
||||
fi
|
||||
|
||||
# Recover some entropy so the rebooting /dev/random can reseed
|
||||
#
|
||||
case ${entropy_file} in
|
||||
[Nn][Oo] | '')
|
||||
;;
|
||||
*)
|
||||
if [ -f ${entropy_file} -a -r ${entropy_file} -a -w /dev/random ]; then
|
||||
echo "Reading entropy file"
|
||||
cat ${entropy_file} > /dev/random
|
||||
rm -f ${entropy_file}
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
|
||||
adjkerntz -i
|
||||
|
||||
purgedir() {
|
||||
|
Loading…
Reference in New Issue
Block a user