NetBSD Problem Report #35274

From dlagno@rambler.ru  Mon Dec 18 23:27:09 2006
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Date: Tue, 19 Dec 2006 02:26:57 +0300
From: "Denis Lagno" <dlagno@rambler.ru>
Reply-To: dlagno@rambler.ru
To: gnats-bugs@NetBSD.org
Subject: rc script for seeding /dev/random

>Number:         35274
>Category:       misc
>Synopsis:       rc script for seeding /dev/random
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    misc-bug-people
>State:          closed
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Mon Dec 18 23:30:00 +0000 2006
>Closed-Date:    Tue Aug 06 14:53:09 +0000 2019
>Last-Modified:  Tue Aug 06 14:53:09 +0000 2019
>Originator:     Denis Lagno
>Release:        NetBSD 4.99.3
>Organization:
>Environment:
>Description:
it would be nice to add rc script for seeding /dev/random on boot

>How-To-Repeat:
>Fix:
/etc/rc.d/randseed:

#!/bin/sh

# REQUIRE: mountcritlocal
# BEFORE: sshd xdm
# PROVIDE: randseed
# KEYWORD: shutdown

$_rc_subr_loaded . /etc/rc.subr

name="randseed"
rcvar=$name
start_cmd="randseed_start"
stop_cmd="randseed_stop"

randseed_file=${randseed_file:-/var/db/randseed}
randseed_size=${randseed_size:-4}

dump_randseed()
{
	cat < /dev/null > $randseed_file
	chmod 600 $randseed_file
	dd if=/dev/urandom of=$randseed_file bs=1024 count=$randseed_size 2> /dev/null
}

randseed_start()
{
	if [ -f $randseed_file ]; then
		echo "Seeding /dev/random"
		cat $randseed_file > /dev/random 2> /dev/null
	fi
	dump_randseed
}

randseed_stop()
{
	echo "Saving seed for /dev/random"
	dump_randseed
}

load_rc_config $name
run_rc_command "$1"
.

>Release-Note:

>Audit-Trail:

State-Changed-From-To: open->closed
State-Changed-By: maya@NetBSD.org
State-Changed-When: Tue, 06 Aug 2019 14:53:09 +0000
State-Changed-Why:
I don't know if we had such a script at the time of the bug report, but we do now.
(as pointed out by riastradh)
Thanks for your work.


>Unformatted:

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