Ok, this may not work for non-WPA devices considering the location of the file, but here's where to put the desired commands:
echo "Device started" -> Put commands to run once the wifi connection is activated
echo "Device stopped" -> Put commands to run once the wifi connection is deactivated
/etc/wpa_supplicant/ifupdown.sh :
Code:
#!/bin/sh
#####################################################################
## Purpose
# This file is executed by ifupdown in pre-up, post-up, pre-down and
# post-down phases of network interface configuration. It allows
# ifup(8), and ifdown(8) to manage wpa_supplicant(8) and wpa_cli(8)
# processes running in daemon mode.
#
# /etc/wpa_supplicant/functions.sh is sourced by this file.
#
# This file is provided by the wpasupplicant package.
#####################################################################
# Copyright (C) 2006 - 2008 Debian/Ubuntu wpasupplicant Maintainers
# <pkg-wpa-devel@lists.alioth.debian.org>
#
# 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 2
# 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.
#
# On Debian GNU/Linux systems, the text of the GPL license can be
# found in /usr/share/common-licenses/GPL.
if [ -n "$IF_WPA_MAINT_DEBUG" ]; then
set -x
fi
# quit if we're called for the loopback
if [ "$IFACE" = lo ]; then
exit 0
fi
# allow wpa_supplicant interface to be specified via wpa-iface
# useful for starting wpa_supplicant on one interface of a bridge
if [ -n "$IF_WPA_IFACE" ]; then
WPA_IFACE="$IF_WPA_IFACE"
else
WPA_IFACE="$IFACE"
fi
# source functions
if [ -f /etc/wpa_supplicant/functions.sh ]; then
. /etc/wpa_supplicant/functions.sh
else
exit 0
fi
# quit if executables are not installed
if [ ! -x "$WPA_SUP_BIN" ] || [ ! -x "$WPA_CLI_BIN" ]; then
exit 0
fi
do_start () {
echo "Device started"
if test_wpa_cli; then
# if wpa_action is active for this IFACE, do nothing
ifupdown_locked && exit 0
# if the administrator is calling ifup, say something useful
if [ "$PHASE" = "pre-up" ]; then
wpa_msg stderr "wpa_action is managing ifup/ifdown state of $WPA_IFACE"
wpa_msg stderr "execute \`ifdown --force $WPA_IFACE' to stop wpa_action"
fi
exit 1
elif ! set | grep -q "^IF_WPA"; then
# no wpa- option defined for IFACE, do nothing
exit 0
fi
# ensure stale ifupdown_lock marker is purged
ifupdown_unlock
# preliminary sanity checks for roaming daemon
if [ -n "$IF_WPA_ROAM" ]; then
if [ "$METHOD" != "manual" ]; then
wpa_msg stderr "wpa-roam can only be used with the \"manual\" inet METHOD"
exit 1
fi
if [ -n "$IF_WPA_MAPPING_SCRIPT" ]; then
if ! type "$IF_WPA_MAPPING_SCRIPT" >/dev/null; then
wpa_msg stderr "wpa-mapping-script \"$IF_WPA_MAPPING_SCRIPT\" is not valid"
exit 1
fi
fi
if [ -n "$IF_WPA_MAPPING_SCRIPT_PRIORITY" ] && [ -z "$IF_WPA_MAPPING_SCRIPT" ]; then
wpa_msg stderr "\"wpa-mapping-script-priority 1\" is invalid without a wpa-mapping-script"
exit 1
fi
IF_WPA_CONF="$IF_WPA_ROAM"
WPA_ACTION_SCRIPT="/sbin/wpa_action"
fi
# master function; determines if ifupdown.sh should do something or not
if [ -n "$IF_WPA_CONF" ] && [ "$IF_WPA_CONF" != "managed" ]; then
if [ ! -s "$IF_WPA_CONF" ]; then
wpa_msg stderr "cannot read contents of $IF_WPA_CONF"
exit 1
fi
WPA_SUP_CONF_CTRL_DIR=$(sed -n -e 's/[[:space:]]*#.*//g' -e 's/[[:space:]]\+.*$//g' \
-e 's/^ctrl_interface=\(DIR=\)\?\(.*\)/\2/p' "$IF_WPA_CONF")
if [ -n "$WPA_SUP_CONF_CTRL_DIR" ]; then
WPA_CTRL_DIR="$WPA_SUP_CONF_CTRL_DIR"
WPA_SUP_CONF="-c $IF_WPA_CONF"
else
# specify the default ctrl_interface since none was defined in
# the given IF_WPA_CONF
WPA_SUP_CONF="-c $IF_WPA_CONF -C $WPA_CTRL_DIR"
fi
else
# specify the default ctrl_interface
WPA_SUP_CONF="-C $WPA_CTRL_DIR"
fi
}
do_stop () {
echo "Device stopped"
if test_wpa_cli; then
# if wpa_action is active for this IFACE and calling ifdown,
# do nothing
ifupdown_locked && exit 0
elif test_wpa_supplicant; then
# wpa_supplicant process exists for this IFACE, but wpa_cli
# process does not. Allow stop mode to kill this process.
:
else
exit 0
fi
}
case "$MODE" in
start)
do_start
case "$PHASE" in
pre-up)
kill_wpa_supplicant
init_wpa_supplicant || exit 1
conf_wpa_supplicant || { kill_wpa_supplicant; exit 1; }
;;
post-up)
init_wpa_cli || { kill_wpa_supplicant; exit 1; }
;;
esac
;;
stop)
do_stop
case "$PHASE" in
pre-down)
kill_wpa_cli
;;
post-down)
kill_wpa_supplicant
;;
*)
wpa_msg stderr "unknown phase: \"$PHASE\""
exit 1
;;
esac
;;
*)
wpa_msg stderr "unknown mode: \"$MODE\""
exit 1
;;
esac
exit 0
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