--- /dev/null
+#!/bin/bash
+###############################################################################
+# #
+# IPFire.org - A linux based firewall #
+# Copyright (C) 2013 IPFire Network Development Team #
+# #
+# This program is free software: you can redistribute it and/or modify #
+# it under the terms of the GNU General Public License as published by #
+# the Free Software Foundation, either version 3 of the License, or #
+# (at your option) any later version. #
+# #
+# This program is distributed in the hope that it will be useful, #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
+# GNU General Public License for more details. #
+# #
+# You should have received a copy of the GNU General Public License #
+# along with this program. If not, see <http://www.gnu.org/licenses/>. #
+# #
+###############################################################################
+
+function batman_adv_interface_add() {
+ local device=${1}
+ assert isset device
+
+ cmd_quiet batctl interface add ${device}
+}
+
+function batman_adv_interface_del() {
+ local device=${1}
+ assert isset device
+
+ cmd_quiet batctl interface del ${device}
+}
shift
done
- assert isoneof type managed __ap
+ assert isoneof type ibss managed __ap
assert phy_exists ${phy}
isset address || address=$(mac_generate)
return ${ret}
}
+function wireless_channel_to_frequency() {
+ # http://en.wikipedia.org/wiki/List_of_WLAN_channels
+
+ local channel=${1}
+ assert isset channel
+
+ # Channel number must be positive.
+ assert [ "${channel}" -gt 0 ]
+
+ # 2.4 GHz band
+ case "${channel}" in
+ [123456789]|1[0123])
+ print "$(( 2407 + (${channel} * 5)))"
+ return ${EXIT_OK}
+ ;;
+ 14)
+ print "2484"
+ return ${EXIT_OK}
+ ;;
+ esac
+
+ # 5 GHz band
+ case "${channel}" in
+ 3[68]|4[02468]|5[26]|6[04]|10[048]|11[26]|12[048]|13[26]|14[09]|15[37]|16[15])
+ print "$(( 5000 + (${channel} * 5)))"
+ return ${EXIT_OK}
+ ;;
+ esac
+
+ return ${EXIT_ERROR}
+}
+
function wireless_set_channel() {
local device=${1}
assert isset device
cmd_quiet iw dev ${device} set channel ${channel}
}
+
+function wireless_ibss_join() {
+ local device=${1}
+ assert isset device
+ shift
+
+ local bssid
+ local essid
+ local frequency
+
+ while [ $# -gt 0 ]; do
+ case "${1}" in
+ --bssid=*)
+ bssid="$(cli_get_val ${1})"
+ ;;
+ --essid=*)
+ essid="$(cli_get_val ${1})"
+ ;;
+ --channel=*)
+ local channel="$(cli_get_val ${1})"
+
+ # Save the frequency of the channel instead
+ # of the channel itself.
+ if isset channel; then
+ frequency="$(wireless_channel_to_frequency ${channel})"
+ fi
+ ;;
+ esac
+ shift
+ done
+
+ # Check input.
+ assert ismac bssid
+ assert isset essid
+ assert isinteger frequency
+
+ # Set device up.
+ device_set_up "${device}"
+
+ log INFO "${device} joining ibss network: ${essid} (${bssid})"
+ cmd_quiet iw dev "${device}" ibss join "${essid}" \
+ "${frequency}" fixed-freq "${bssid}"
+}
+
+function wireless_ibss_leave() {
+ local device=${1}
+ assert isset device
+
+ log INFO "${device} leaving ibss network"
+ cmd_quiet iw dev "${device}" ibss leave
+}
--- /dev/null
+#!/bin/bash
+###############################################################################
+# #
+# IPFire.org - A linux based firewall #
+# Copyright (C) 2013 Michael Tremer #
+# #
+# This program is free software: you can redistribute it and/or modify #
+# it under the terms of the GNU General Public License as published by #
+# the Free Software Foundation, either version 3 of the License, or #
+# (at your option) any later version. #
+# #
+# This program is distributed in the hope that it will be useful, #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
+# GNU General Public License for more details. #
+# #
+# You should have received a copy of the GNU General Public License #
+# along with this program. If not, see <http://www.gnu.org/licenses/>. #
+# #
+###############################################################################
+
+. /usr/lib/network/header-port
+
+HOOK_SETTINGS="HOOK ADDRESS MESH_ID SSID CHANNEL COUNTRY_CODE PHY"
+
+ADDRESS=$(mac_generate)
+CHANNEL=1
+COUNTRY_CODE="US"
+MESH_ID=
+SSID=
+
+# batman-adv inserts an additional header of 28 bytes, so we set the MTU
+# to 1528, that normal ethernet packets with 1500 bytes can pass the network.
+MTU=1528
+MTU=1500
+
+function _check() {
+ assert isset ADDRESS
+ assert ismac ADDRESS
+ assert isset CHANNEL
+ assert isset COUNTRY_CODE
+ assert isset MESH_ID
+ assert ismac MESH_ID
+ assert isset PHY
+ assert ismac PHY
+ assert isset SSID
+}
+
+function _create() {
+ while [ $# -gt 0 ]; do
+ case "${1}" in
+ --address=*)
+ ADDRESS=$(cli_get_val ${1})
+ ;;
+ --channel=*)
+ CHANNEL=$(cli_get_val ${1})
+ ;;
+ --country-code=*)
+ COUNTRY_CODE=$(cli_get_val ${1})
+ ;;
+ --phy=*)
+ PHY=$(cli_get_val ${1})
+ ;;
+ --ssid=*)
+ SSID=$(cli_get_val ${1})
+ ;;
+ --mesh-id=*)
+ MESH_ID=$(cli_get_val ${1})
+ ;;
+ *)
+ warning "Ignoring unknown argument '${1}'"
+ ;;
+ esac
+ shift
+ done
+
+ # Save address of phy do identify it again
+ PHY=$(phy_get ${PHY})
+ PHY=$(phy_get_address ${PHY})
+
+ local port=$(port_find_free ${PORT_PATTERN_BATMANADV})
+ assert isset port
+
+ config_write $(port_file ${port}) ${HOOK_SETTINGS}
+
+ exit ${EXIT_OK}
+}
+
+function _edit() {
+ local port=${1}
+ assert isset port
+ shift
+
+ config_read $(port_file ${port})
+
+ while [ $# -gt 0 ]; do
+ case "${1}" in
+ --channel=*)
+ CHANNEL=$(cli_get_val ${1})
+ ;;
+ --country-code=*)
+ COUNTRY_CODE=$(cli_get_val ${1})
+ ;;
+ --mesh-id=*)
+ MESH_ID=$(cli_get_val ${1})
+ ;;
+ --ssid=*)
+ SSID=$(cli_get_val ${1})
+ ;;
+ *)
+ warning "Unknown argument '${1}'"
+ ;;
+ esac
+ shift
+ done
+
+ config_write $(port_file ${port}) ${HOOK_SETTINGS}
+
+ exit ${EXIT_OK}
+}
+
+function _up() {
+ local port=${1}
+ assert isset port
+
+ config_read $(port_file ${port})
+
+ # Check if the PHY is present.
+ local phy=$(phy_get ${PHY})
+ if ! isset phy; then
+ log DEBUG "phy '${PHY}' is not present"
+ exit ${EXIT_ERROR}
+ fi
+
+ # Create the wireless device, if it does not exist, yet.
+ if ! device_exists ${port}; then
+ wireless_create ${port} \
+ --address="${ADDRESS}" \
+ --phy="${phy}" \
+ --type="ibss"
+ fi
+
+ # Set the MTU.
+ device_set_mtu "${port}" "${MTU}"
+
+ # Join the ad-hoc network.
+ wireless_ibss_join "${port}" --channel="${CHANNEL}" \
+ --bssid="${MESH_ID}" --essid="${SSID}"
+
+ # Add the device as a batman-adv device.
+ batman_adv_interface_add "${port}"
+
+ exit ${EXIT_OK}
+}
+
+function _down() {
+ local port=${1}
+ assert isset port
+
+ # Remove the batman-adv device.
+ batman_adv_interface_del "${port}"
+
+ # Leave the ad-hoc network.
+ wireless_ibss_leave "${port}"
+
+ # Remove the device if it is still present.
+ if device_exists ${port}; then
+ wireless_remove ${port}
+ fi
+
+ exit ${EXIT_OK}
+}
+
+function _hotplug() {
+ local port=${1}
+ assert isset port
+
+ local phy=${2}
+ assert isset phy
+
+ assert port_exists ${port}
+
+ # Read configuration of port.
+ config_read $(port_file ${port})
+
+ # Get the address of the phy.
+ local phy_address=$(phy_get_address ${phy})
+
+ # Check if the phy is the same we have
+ # read from the configuration file.
+ if [ "${PHY}" = "${phy_address}" ]; then
+ wireless_create ${port} \
+ --address="${ADDRESS}" \
+ --phy="${phy_address}" \
+ --type="ibss"
+ fi
+
+ exit ${EXIT_OK}
+}
projects / people / stevee / network.git / commitdiff
