#! /bin/bash . /usr/lib/network/network wireless_up() { load_profile "$1" . "$SUBR_DIR/8021x" . "$SUBR_DIR/wireless" # Enable rfkill if necessary, or fail if it is hardware if [[ -n "$RFKILL" ]]; then local state=$(get_rf_state "$INTERFACE") || return 1 if [[ "$state" != "up" ]]; then if [[ "$RFKILL" == "soft" ]]; then set_rf_state "$INTERFACE" up sleep 1 else report_fail "radio is disabled on $INTERFACE" return 1 fi fi fi # Check if interface exists is_interface $INTERFACE || report_fail "interface $INTERFACE does not exist" # Kill any lingering wpa_supplicants. report_debug wireless_up stop_wpa "$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 "$INTERFACE" || return 1 quirk prescan && iwlist "$INTERFACE" scan &> /dev/null # bcm43xx quirk preessid && eval "iwconfig \"$INTERFACE\" mode managed essid \"$ESSID\"" # ipw3945 # 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 "$SECURITY" in wep-old|none-old) # 'none' uses iwconfig like wep. Use sane default if WEP_OPTS="" if [[ -z "$WEP_OPTS" ]]; then if [[ "$SECURITY" = "wep" ]]; then if [[ -n "$AP" ]]; then WEP_OPTS="ap \"$AP\" key $KEY" # JP: formerly I had "...key open $KEY"; is it correct to omit the 'open'? else WEP_OPTS="essid \"$ESSID\" key $KEY" # JP: formerly I had "...key open $KEY"; is it correct to omit the 'open'? fi elif [[ "$SECURITY" = "none" ]]; then if [[ -n "$AP" ]]; then WEP_OPTS="ap \"$AP\"" else WEP_OPTS="essid \"$ESSID\"" fi fi fi if quirk "predown"; then # madwifi FS#10585 # ignore quirk nodown---is that appropriate? # this adds a flush call as well---is that appropriate? bring_interface forcedown "$INTERFACE" fi report_debug wireless_up iwconfig "$INTERFACE" $WEP_OPTS # JP: I don't understand why this needs to be an eval. What's wrong with just: # iwconfig "$INTERFACE" $WEP_OPTS if ! eval "iwconfig \"$INTERFACE\" $WEP_OPTS"; then report_fail "Could not set wireless configuration." return 1 fi if quirk "predown"; then # madwifi FS#10585 bring_interface up "$INTERFACE" fi report_debug ethernet_up wep_check if ! wep_check "$INTERFACE" "$TIMEOUT"; then report_fail "WEP Association Failed" return 1 fi ;; wep) WPA_CONF="$(make_wpa_config $1)" echo -e "network={ \nssid=\"$ESSID\" \nkey_mgmt=NONE \nwep_key0=\"$KEY\" \nwep_tx_keyidx=0 \n}" >> "$WPA_CONF" ;; none) WPA_CONF="$(make_wpa_config $1)" echo -e "network={ \nssid=\"$ESSID\" \nkey_mgmt=NONE \n}" >> "$WPA_CONF" ;; wpa) # Quirk for broken drivers... http://bbs.archlinux.org/viewtopic.php?id=36384 if quirk "wpaessid"; then if [[ -n "$AP" ]]; then # JP: Since I don't undertand why the else block below is an eval, I'm not sure # if this command also needs to be eval'd iwconfig "$INTERFACE" ap "$AP" else # JP: I don't understand why this needs to be an eval. What's wrong with just: # iwconfig "$INTERFACE" essid "$ESSID" eval "iwconfig \"$INTERFACE\" essid \"$ESSID\"" fi fi WPA_CONF="$(make_wpa_config $1)" # Generate configuration if [[ "${#KEY}" -eq 64 ]]; then echo -e "network={ \nssid=\"$ESSID\" \npsk=$KEY \n}">> "$WPA_CONF" elif ! echo "$KEY" | wpa_passphrase "$ESSID" >> "$WPA_CONF"; then report_fail "Configuration generation failed." cat "$WPA_CONF" >&2 return 1 fi ;; wpa-config) . "$SUBR_DIR/8021x" [[ -z "$WPA_CONF" ]] && WPA_CONF="/etc/wpa_supplicant.conf" # defaults ;; wpa-configsection) . "$SUBR_DIR/8021x" WPA_CONF="$(make_wpa_config $1)" echo -e "$CONFIGSECTION" >> "$WPA_CONF" ;; esac case $SECURITY in wep-old|none-old) true ;; *) [[ -z "$WPA_OPTS" ]] && WPA_OPTS="-Dwext" report_debug wireless_up start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_OPTS" if ! start_wpa "$INTERFACE" "$WPA_CONF" "$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 ;; esac if ! $CONN_DIR/ethernet up "$1"; then wireless_down "$1" YES return 1 fi } # wireless_down PROFILE [ LEAVE ifconfig up? default no ] wireless_down() { local PROFILE="$1" NOETHERNETDOWN="$2" load_profile "$PROFILE" . "$SUBR_DIR/8021x" if ! checkyesno "$NOETHERNETDOWN"; then "$CONN_DIR/ethernet" down "$PROFILE" fi report_debug wireless_down stop_wpa "$INTERFACE" stop_wpa "$INTERFACE" [[ "$SECURITY" == "wpa" ]] && rm -rf "${TMPDIR:-/tmp}/wpa.${PROFILE// /}" # remove tmp wpa config report_debug wireless_down iwconfig "$INTERFACE" essid off key off iwconfig "$INTERFACE" essid off key off &> /dev/null # respects quirk nodown---is that appropriate? # wasn't this already called in ethernet_down? but does the call there respect quirk nodown? # this adds a flush call as well---is that appropriate? bring_interface down "$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" down || 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: