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#! /bin/bash
. /usr/lib/network/network
. $SUBR_DIR/8021x
. $SUBR_DIR/wireless
iwconfig_up() {
quirk prescan && iwlist "$INTERFACE" scan &> /dev/null # bcm43xx
# 'none' uses iwconfig like wep. Use sane default if WEP_OPTS=""
if [[ -z "$WEP_OPTS" ]]; then
if [[ "$SECURITY" = "wep-old" ]]; then
if [[ -n "$AP" ]]; then
WEP_OPTS="ap \"$AP\" key $KEY"
else
WEP_OPTS="essid \"$ESSID\" key $KEY"
fi
elif [[ "$SECURITY" = "none-old" ]]; then
if [[ -n "$AP" ]]; then
WEP_OPTS="ap \"$AP\""
else
WEP_OPTS="essid \"$ESSID\""
fi
fi
fi
quirk "predown" && bring_interface down "$INTERFACE" # madwifi FS#10585
report_debug wireless_up iwconfig "$INTERFACE" $WEP_OPTS
if ! iwconfig "$INTERFACE" $WEP_OPTS; then
report_fail "Could not set wireless configuration."
return 1
fi
quirk "predown" && bring_interface up "$INTERFACE" # madwifi FS#10585
report_debug ethernet_up wep_check
if ! wep_check "$INTERFACE" "$TIMEOUT"; then
report_fail "WEP Association Failed"
return 1
fi
}
wireless_up() {
PROFILE="$1"
load_profile "$PROFILE"
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"
# Most drivers (mac80211) need mode set before device is brought up
if [[ $(iwgetid -sm "$INTERFACE") -ne Managed ]]; then
report_debug wireless_up iwconfig "$INTERFACE" mode managed
iwconfig "$INTERFACE" mode managed
fi
report_debug wireless_up ifup
bring_interface up "$INTERFACE" || return 1
# Scan for network's existence first
if checkyesno "${SCAN:-no}"; then
report_debug wireless_up scanning
local OLDESSID="$ESSID"
if [[ -n "$AP" ]]; then
ESSID=$(find_ap "$INTERFACE" "$AP")
else
ESSID=$(find_essid "$INTERFACE" "$ESSID")
fi
if [[ $? -gt 0 ]]; then
report_fail "Wireless network \"$OLDESSID\" not present."
return 1
fi
fi
# Manually set iwconfig options
if [[ -n "$IWCONFIG" ]]; then
report_debug wireless_up iwconfig "$INTERFACE" $IWCONFIG
iwconfig "$INTERFACE" $IWCONFIG
fi
# Set to 'none' if not set
[[ -z "$SECURITY" ]] && SECURITY="none"
case "$SECURITY" in
*-old)
report_debug "Using older iwconfig based path"
iwconfig_up || return 1
;;
wpa-config)
[[ -z "$WPA_CONF" ]] && WPA_CONF="/etc/wpa_supplicant.conf" # defaults
;;
none|wep|wpa|wpa-configsection)
WPA_CONF="$(make_wpa_config_file $INTERFACE)"
echo -e "network={ \n$(make_wpa_config) \n}">> "$WPA_CONF"
;;
*)
report_fail "Invalid SECURITY setting: $SECURITY"
;;
esac
if [[ ${SECURITY:(-4)} != "-old" ]]; then
report_debug wireless_up "Configuration generated at $WPA_CONF"
[[ -z "$WPA_DRIVER" ]] && WPA_DRIVER="nl80211,wext"
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
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"
if [[ ${SECURITY:(-4)} == "-old" ]]; then
report_debug wireless_down iwconfig "$INTERFACE" essid off key off
iwconfig "$INTERFACE" essid off key off &> /dev/null
else
report_debug wireless_down stop_wpa "$INTERFACE"
stop_wpa "$INTERFACE"
rm -rf "${TMPDIR:-/tmp}/wpa.$INTERFACE"
fi
bring_interface down "$INTERFACE"
# Handle wireless kill switches
# Any reason why a hardware switch should be considered on interface down?
if [[ "$RFKILL" == "soft" ]]; then
. "$SUBR_DIR/wireless"
set_rf_state "$INTERFACE" disabled $RFKILL_NAME || return 1
fi
}
# Returns status of profile - is it still functional?
wireless_status() {
load_profile "$1"
if [[ "$(iwgetid -r)" -ne "$ESSID" ]]; then
return 1
elif ! ip link show dev "$INTERFACE" | fgrep -q "state UP"; then
return 1
fi
}
wireless_$1 "$2" "$3"
exit $?
# vim: ft=sh ts=4 et sw=4:
|
