Merge in all the changes that Mike Makonnen has been maintaining for a

while. This is only the script pieces, the glue for the build comes next.

Submitted by:	Mike Makonnen <makonnen@pacbell.net>
Reviewed by:	silence on -current and -hackers
Prodded by:	rwatson

1 files changed, 73 insertions, 0 deletions

diff --git a/etc/rc.d/initrandom b/etc/rc.d/initrandom
new file mode 100644
index 0000000..318d83f
--- /dev/null
+++ b/etc/rc.d/initrandom
@@ -0,0 +1,73 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# PROVIDE: initrandom
+# REQUIRE: initdiskless
+# BEFORE: disks
+# KEYWORD: FreeBSD
+
+. /etc/rc.subr
+
+name="initrandom"
+start_cmd="initrandom_start"
+stop_cmd=":"
+
+feed_dev_random()
+{
+	if [ -f "${1}" -a -r "${1}" -a -s "${1}" ]; then
+		cat "${1}" | dd of=/dev/random bs=8k 2>/dev/null
+	fi
+}
+
+initrandom_start()
+{
+	echo -n 'Entropy harvesting:'
+
+	if checkyesno harvest_interrupt; then
+		if [ -w /dev/random ]; then
+			${SYSCTL_W} kern.random.sys.harvest.interrupt=1 >/dev/null
+			echo -n ' interrupts'
+		fi
+	fi
+
+	if checkyesno harvest_ethernet; then
+		if [ -w /dev/random ]; then
+			${SYSCTL_W} kern.random.sys.harvest.ethernet=1 >/dev/null
+			echo -n ' ethernet'
+		fi
+	fi
+
+	if checkyesno harvest_p_to_p; then
+		if [ -w /dev/random ]; then
+		${SYSCTL_W} kern.random.sys.harvest.point_to_point=1 >/dev/null
+			echo -n ' point_to_point'
+		fi
+	fi
+
+	echo '.'
+
+	# First pass at reseeding /dev/random.
+	#
+	case ${entropy_file} in
+	[Nn][Oo] | '')
+		;;
+	*)
+		if [ -w /dev/random ]; then
+			feed_dev_random "${entropy_file}"
+		fi
+		;;
+	esac
+
+	# XXX temporary until we can get the entropy
+	# harvesting rate up
+	# Entropy below is not great,
+	# but better than nothing.
+	( ps -fauxww; sysctl -a; date; df -ib; dmesg; ps -fauxww; ) \
+	    | dd of=/dev/random bs=8k 2>/dev/null
+	cat /bin/ls | dd of=/dev/random bs=8k 2>/dev/null
+}
+
+load_rc_config random
+run_rc_command "$1"