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# Copyright 2007 Roy Marples
# 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.
tuntap_depend() {
before bridge interface macchanger
}
_config_vars="$_config_vars tunctl"
_is_tuntap() {
[ -n "$(export SVCNAME="net.${IFACE}"; service_get_value tuntap)" ]
}
tuntap_pre_start() {
local tuntap=
eval tuntap=\$tuntap_${IFVAR}
[ -z "${tuntap}" ] && return 0
if [ ! -e /dev/net/tun ]; then
modprobe tun && sleep 1
if [ ! -e /dev/net/tun ]; then
eerror "TUN/TAP support is not present in this kernel"
return 1
fi
fi
ebegin "Creating Tun/Tap interface ${IFACE}"
# Set the base metric to 1000
metric=1000
if type tunctl >/dev/null 2>&1; then
local opts=
eval opts=\$tunctl_${IFVAR}
tunctl ${opts} -t "${IFACE}" >/dev/null
else
openvpn --mktun --dev-type "${tuntap}" --dev "${IFACE}" >/dev/null
fi
eend $? && _up && service_set_value tuntap "${tuntap}"
}
tuntap_post_stop() {
_is_tuntap || return 0
ebegin "Destroying Tun/Tap interface ${IFACE}"
if type tunctl >/dev/null 2>&1; then
tunctl -d "${IFACE}" >/dev/null
else
openvpn --rmtun \
--dev-type "$(service_get_value tuntap)" \
--dev "${IFACE}" >/dev/null
fi
eend $?
}
# vim: set ts=4 :
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