phunix/etc/rc.d/ipsec
David van Moolenbroek 325ce30bcc Initial import of NetBSD rc system
IMPORTANT: this change has a docs/UPDATING entry!

This patch performs an initial import of the infrastructure and a
subset of the NetBSD set of rc startup and shutdown scripts.  The
"initial" refers to the fact that this is not yet a full switch to the
NetBSD rc system: the MINIX ramdisk rc script, which (typically) runs
as the first thing, is kept as is.  After mounting the root file
system, the ramdisk rc script will start the NetBSD rc infrastructure
by invoking /etc/rc, however.  The regular MINIX startup-and-shutdown
script has been moved from /etc/rc to /etc/rc.minix, and is now
invoked as part of the NetBSD rc infrastructure through a bridge rc
script /etc/rc.d/minixrc.  /etc/rc.minix invokes /usr/etc/rc as before.

Switching over the ramdisk to the NetBSD system and decomposing the
MINIX rc.minix script into smaller components are left to future work.
Also, the current pkgsrc etc/rc.d auto-start functionality is left as
is, even though it should be removed (see the etc/usr/rc comment).

Change-Id: Ia96cae7c426e94b85c67978dc1307dacc4b09fc5
2017-02-23 14:08:39 +00:00

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#!/bin/sh
#
# $NetBSD: ipsec,v 1.13 2013/09/12 19:52:50 christos Exp $
#
# PROVIDE: ipsec
# REQUIRE: root bootconf mountcritlocal tty
# BEFORE: DAEMON
$_rc_subr_loaded . /etc/rc.subr
name="ipsec"
rcvar=$name
start_precmd="ipsec_prestart"
start_cmd="ipsec_start"
stop_precmd="test -f /etc/ipsec.conf"
stop_cmd="ipsec_stop"
reload_cmd="ipsec_reload"
extra_commands="reload"
ipsec_prestart()
{
if [ ! -f /etc/ipsec.conf ]; then
warn "/etc/ipsec.conf not readable; ipsec start aborted."
stop_boot
return 1
fi
return 0
}
ipsec_getip() {
ifconfig $1 | while read what address rest; do
case "$what" in
inet) echo "$address";;
esac
done
}
ipsec_load() {
if [ -z "$1" ]; then
/sbin/setkey -f /etc/ipsec.conf
else
sed -e "s/@LOCAL_ADDR@/$1/" < /etc/ipsec.conf | \
/sbin/setkey -f -
fi
}
ipsec_configure() {
while true; do
local addr="$(ipsec_getip "$ipsec_flags")"
case "$addr" in
'') sleep 1;;
"0.0.0.0") sleep 1;;
*) ipsec_load "$addr"; return;;
esac
done &
}
ipsec_start()
{
echo "Installing ipsec manual keys/policies."
if [ -n "$ipsec_flags" ]; then
ipsec_configure
else
ipsec_load
fi
}
ipsec_stop()
{
echo "Clearing ipsec manual keys/policies."
# still not 100% sure if we would like to do this.
# it is very questionable to do this during shutdown session, since
# it can hang any of remaining IPv4/v6 session.
#
/sbin/setkey -F
/sbin/setkey -FP
}
ipsec_reload()
{
echo "Reloading ipsec manual keys/policies."
ipsec_stop
ipsec_start
}
load_rc_config $name
run_rc_command "$1"