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#!/bin/sh
#
# Copyright (c) 2015-2016 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
# PROVIDE: pptp
# REQUIRE: DAEMON LOGIN FILESYSTEMS
# KEYWORD: shutdown
. /etc/rc.subr
name="pptp"
rcvar="${name}_enable"
command="%%PREFIX%%/sbin/${name}"
pidfile="/var/run/${name}.pid"
: ${pptp_timeout=10}
extra_commands="iface inet"
pptp_query()
{
local qtype="$1"
ifconfig -l | awk '{
n = split($0, a)
for (i = 1; i <= n; i++)
if (a[i] ~ /^tun[[:digit:]]+/) print a[i]
}' | xargs -rn1 -Iif ifconfig if inet | awk -v qtype="$qtype" '
BEGIN { qtype = tolower(qtype) }
/^[^[:space:]]/ { iface = $1; next }
iface && $1 == "inet" && $3 == "-->" { inet[iface] = $2; next }
$1$2$3 == "OpenedbyPID" { pid[iface] = $4 }
END {
for (iface in pid) {
(cmd = "ps -o ucomm= -p " pid[iface]) | getline ucomm
close(cmd)
if (ucomm != "ppp") continue
if (qtype == "iface") {
sub(/:.*/, "", iface)
print iface
found = 1
} else if (qtype == "inet" && inet[iface]) {
print inet[iface]
found = 1
} else if (qtype != "inet") {
print pid[iface]
found = 1
}
}
exit !found
}'
}
pptp_start()
{
local pid inet timeout="$pptp_timeout"
if pid=$( pptp_query pid ); then
echo "$name already running as pid $pid."
return 1
fi
debug "$command $pptp_flags &"
eval $command $pptp_flags \&
echo -n "Waiting for pptp to start"
if [ $timeout -gt 0 ] 2> /dev/null; then
while [ $timeout -gt 0 ] && ! pid=$( pptp_query pid ); do
sleep 1
echo -n .
timeout=$(( $timeout - 1 ))
done
else
while ! pid=$( pptp_query pid ); do sleep 1; echo -n .; done
fi
echo
echo -n "Waiting for ppp session"
while pid=$( pptp_query pid ); do
inet=$( pptp_query inet ) && break
sleep 1
echo -n .
done
echo
if ! inet=$( pptp_query inet ); then
rm -f "$pidfile"
echo "pptp failed to start."
return 1
fi
echo "$pid" > "$pidfile"
}
pptp_stop()
{
local pid
if ! pid=$( pptp_query pid ); then
echo "$name is not running."
return 1
fi
kill $pid
echo -n "Waiting for pid $pid to exit"
while pid=$( pptp_query pid ); do sleep 1; echo -n .; done
echo
rm -f "$pidfile"
echo "$name stopped."
}
pptp_status()
{
local pid
if ! pid=$( pptp_query pid ); then
echo "$name is not running."
return 1
fi
echo "$name is running as pid $pid."
}
pptp_iface()
{
local pid iface
if ! pid=$( pptp_query pid ); then
echo "$name is not running." >&2
return 1
fi
if ! iface=$( pptp_query iface ); then
echo "$name not associated with any interface." >&2
return 1
fi
echo "$iface"
}
pptp_inet()
{
local pid inet
if ! pid=$( pptp_query pid ) || ! inet=$( pptp_query inet ); then
echo "$name is not running." >&2
return 1
fi
echo "$inet"
}
start_cmd=pptp_start
stop_cmd=pptp_stop
status_cmd=pptp_status
iface_cmd=pptp_iface
inet_cmd=pptp_inet
load_rc_config $name
run_rc_command "$1"
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