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#! /bin/bash

. /usr/lib/network/globals
. "$SUBR_DIR/8021x"
. "$SUBR_DIR/rfkill"

AUTOWIFI="/usr/sbin/wpa_actiond -p /run/wpa_supplicant"
ACTION_SCRIPT="/usr/lib/network/auto.action"

if [[ $# != 2 || $1 != @(start|stop) ]]; then
    exit_error "Usage: netctl-auto [start|stop] <interface>"
fi

INTERFACE=$2
PIDFILE="$STATE_DIR/wpa_actiond_$INTERFACE.pid"
PROFILE_FILE="$STATE_DIR/wpa_actiond_$INTERFACE.profile"
shift 2

case $1 in
  start)
    if [[ -e "/run/wpa_supplicant_$INTERFACE.pid" ]]; then
        exit_error "The interface ($INTERFACE) is already in use"
    fi
    if [[ -x "$PROFILE_DIR/interfaces/$INTERFACE" ]]; then
        source "$PROFILE_DIR/interfaces/$INTERFACE"
    fi
    [[ $RFKill ]] && enable_rf "$INTERFACE" "$RFKill" || exit 1

    WPA_CONF=$(wpa_make_config_file "$INTERFACE")
    list_profiles | while read -r profile; do
        report_notice "$profile"
        (
            source "$PROFILE_DIR/$profile"
            is_yes "${ExcludeAuto:-no}"&& exit 1
            : ${Security:=none}
            [[ $Interface != "$INTERFACE" ]] && exit 1
            [[ $Connection != "wireless" ]] && exit 1
            # Exclude wpa-config, the wpa_conf is 'complete' and doesn't fit in this scheme
            [[ $Security == "wpa-config" ]] && exit 1

            printf "%s\n" "network={" "$(wpa_make_config_block)" "id_str=\"$profile\"" "}" >> "$WPA_CONF"
        )
    done

    # Kill any lingering WPA supplicants
    WPAConfigFile= wpa_stop "$INTERFACE" &> /dev/null

    # Start the WPA supplicant
    : ${WPADriver:=nl80211,wext}
    WPAOptions+=" -W"
    if wpa_start "$INTERFACE" "$WPADriver" "$WPA_CONF"; then
        if $AUTOWIFI -i "$INTERFACE" -P "$PIDFILE" -a "$ACTION_SCRIPT" "$@"; then
            exit 0
        fi
    fi
    exit 1
    ;;
  stop)
    if [[ -e $PROFILE_FILE ]]; then
        "$SUBR_DIR/network" stop "$(< "$PROFILE_FILE")" && rm -f "$PROFILE_FILE"
    else
        if [[ -x "$PROFILE_DIR/interfaces/$INTERFACE" ]]; then
            source "$PROFILE_DIR/interfaces/$INTERFACE"
        fi
        wpa_stop "$INTERFACE"
        ip link set dev "$INTERFACE" down
        [[ $RFKill ]] && disable_rf "$INTERFACE" "$RFKill"
    fi
    timeout_wait 1 '[[ ! -f "$PIDFILE" ]]' || kill "$(< "$PIDFILE")"
    ;;
esac


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