name : 10-wpa_supplicant # Start, reconfigure and stop wpa_supplicant per wireless interface. # # This is only needed when using wpa_supplicant-2.5 or older, OR # when wpa_supplicant has not been built with CONFIG_MATCH_IFACE, OR # wpa_supplicant was launched without the -M flag to activate # interface matching. if [ -z "$wpa_supplicant_conf" ]; then for x in \ /etc/wpa_supplicant/wpa_supplicant-"$interface".conf \ /etc/wpa_supplicant/wpa_supplicant.conf \ /etc/wpa_supplicant-"$interface".conf \ /etc/wpa_supplicant.conf \ ; do if [ -s "$x" ]; then wpa_supplicant_conf="$x" break fi done fi : ${wpa_supplicant_conf:=/etc/wpa_supplicant.conf} wpa_supplicant_ctrldir() { dir=$(key_get_value "[[:space:]]*ctrl_interface=" \ "$wpa_supplicant_conf") dir=$(trim "$dir") case "$dir" in DIR=*) dir=${dir##DIR=} dir=${dir%%[[:space:]]GROUP=*} dir=$(trim "$dir") ;; esac printf %s "$dir" } wpa_supplicant_start() { # If the carrier is up, don't bother checking anything [ "$ifcarrier" = "up" ] && return 0 # Pre flight checks if [ ! -s "$wpa_supplicant_conf" ]; then syslog warn \ "$wpa_supplicant_conf does not exist" syslog warn "not interacting with wpa_supplicant(8)" return 1 fi dir=$(wpa_supplicant_ctrldir) if [ -z "$dir" ]; then syslog warn \ "ctrl_interface not defined in $wpa_supplicant_conf" syslog warn "not interacting with wpa_supplicant(8)" return 1 fi wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1 && return 0 syslog info "starting wpa_supplicant" driver=${wpa_supplicant_driver:+-D}$wpa_supplicant_driver err=$(wpa_supplicant -B -c"$wpa_supplicant_conf" -i"$interface" \ "$driver" 2>&1) errn=$? if [ $errn != 0 ]; then syslog err "failed to start wpa_supplicant" syslog err "$err" fi return $errn } wpa_supplicant_reconfigure() { dir=$(wpa_supplicant_ctrldir) [ -z "$dir" ] && return 1 if ! wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1; then wpa_supplicant_start return $? fi syslog info "reconfiguring wpa_supplicant" err=$(wpa_cli -p "$dir" -i "$interface" reconfigure 2>&1) errn=$? if [ $errn != 0 ]; then syslog err "failed to reconfigure wpa_supplicant" syslog err "$err" fi return $errn } wpa_supplicant_stop() { dir=$(wpa_supplicant_ctrldir) [ -z "$dir" ] && return 1 wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1 || return 0 syslog info "stopping wpa_supplicant" err=$(wpa_cli -i"$interface" terminate 2>&1) errn=$? if [ $errn != 0 ]; then syslog err "failed to stop wpa_supplicant" syslog err "$err" fi return $errn } if [ "$ifwireless" = "1" ] && \ command -v wpa_supplicant >/dev/null 2>&1 && \ command -v wpa_cli >/dev/null 2>&1 then case "$reason" in PREINIT) wpa_supplicant_start;; RECONFIGURE) wpa_supplicant_reconfigure;; DEPARTED) wpa_supplicant_stop;; esac fi