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#! /bin/bash
. /usr/lib/network/network
. "$SUBR_DIR/8021x"
. "$SUBR_DIR/rfkill"
wireless_up() {
PROFILE="$1"
load_profile "$PROFILE"
# Default settings
SECURITY=${SECURITY:-none}
WPA_DRIVER=${WPA_DRIVER:-nl80211,wext}
enable_rf $INTERFACE $RFKILL $RFKILL_NAME || return 1
# Check if interface exists
is_interface "$INTERFACE" || { report_fail "interface $INTERFACE does not exist"; return 1; }
# Kill any lingering wpa_supplicants.
report_debug wireless_up stop_wpa "$INTERFACE"
stop_wpa "$INTERFACE"
# Start wpa_supplicant
WPA_CTRL_PATH=/run/wpa_supplicant
if [[ "$SECURITY" = "wpa-config" ]]; then
WPA_CONF="${WPA_CONF:-/etc/wpa_supplicant.conf}"
# Use defined control path (FS#24949)
if grep "^ *ctrl_interface=" "$WPA_CONF" &>/dev/null; then
WPA_CTRL_PATH=$(grep -m 1 "^ *ctrl_interface=" "$WPA_CONF" | tail -n 1 | cut -d= -f 2- | sed -r 's/DIR=(.*) +GROUP=.*/\1/')
fi
else
WPA_CONF=$(make_wpa_config_file $INTERFACE)
fi
report_debug wireless_up start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_DRIVER" "$WPA_OPTS"
if ! start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_DRIVER" "$WPA_OPTS"; then
report_fail "wpa_supplicant did not start, possible configuration error"
return 1
fi
# Scan for network's existence first
if checkyesno "${SCAN:-no}"; then
report_debug wireless_up scanning
local OLDESSID="$ESSID"
if [[ -n "$AP" ]]; then
BSSID=$(wpa_find_ap "$INTERFACE" "$AP")
else
ESSID=$(wpa_find_essid "$INTERFACE" "$ESSID")
fi
if [[ $? -gt 0 ]]; then
report_fail "Wireless network \"$OLDESSID\" not present."
report_debug wireless_up stop_wpa "$INTERFACE"
stop_wpa "$INTERFACE"
return 1
fi
fi
report_debug wireless_up stop_wpa "$INTERFACE"
stop_wpa "$INTERFACE"
# Build configuration file
case "$SECURITY" in
wpa-config)
;;
none|wep|wpa|wpa-configsection)
printf "%s\n" "network={" "$(make_wpa_config)" "}" >> "$WPA_CONF"
report_debug wireless_up "Configuration generated at $WPA_CONF"
;;
*)
report_fail "Invalid SECURITY setting: $SECURITY"
;;
esac
# Bring interface up after starting wpa_supplicant
# This is important since cards such as iwl3945 do not support
# mode switching when they are already up.
report_debug wireless_up ifup
bring_interface up "$INTERFACE" || return 1
report_debug wireless_up start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_DRIVER" "$WPA_OPTS"
if ! start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_DRIVER" "$WPA_OPTS"; then
report_fail "wpa_supplicant did not start, possible configuration error"
return 1
fi
report_debug wireless_up wpa_check
if ! wpa_check "$INTERFACE" "$TIMEOUT"; then
report_fail "WPA Authentication/Association Failed"
return 1
fi
if ! "$CONN_DIR/ethernet" up "$PROFILE"; then
wireless_down "$PROFILE" YES
return 1
fi
}
# wireless_down PROFILE [ LEAVE ifconfig up? default no ]
wireless_down() {
local PROFILE="$1"
load_profile "$PROFILE"
"$CONN_DIR/ethernet" down "$PROFILE"
report_debug wireless_down stop_wpa "$INTERFACE"
stop_wpa "$INTERFACE"
rm -rf "$STATE_DIR/wpa.$INTERFACE"
bring_interface down "$INTERFACE"
# Handle wireless kill switches
# Any reason why a hardware switch should be considered on interface down?
if [[ "$RFKILL" == "soft" ]]; then
set_rf_state "$INTERFACE" disabled $RFKILL_NAME || return 1
fi
}
# Returns status of profile - is it still functional?
wireless_status() {
load_profile "$1"
if ! wpa_check_current_essid "$INTERFACE" "$ESSID"; then
return 1
elif ! ip link show dev "$INTERFACE" | fgrep -q "state UP"; then
return 1
fi
}
wireless_$1 "$2" "$3"
exit $?
# vim: ft=sh ts=4 et sw=4 tw=0:
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