+#!/bin/sh
+#
+# This script takes care of bringing up wlan-ng device.
+# It is run by ifup, and gets information from the
+# /etc/network/interfaces file. It is derived from the
+# init.d/wlan script in the wlan-ng distribution
+
+WLANCTL=/sbin/wlanctl-ng
+PRIV_GENERATOR=/sbin/nwepgen
+
+if [ ! -x $WLANCTL ] ; then
+ exit 0
+fi
+
+# Detect and act only on linux-wlan-ng interfaces
+if [ -x /sbin/wlancfg ]; then
+ if ! /sbin/wlancfg show $IFACE >/dev/null 2>&1; then
+ exit 0
+ fi
+fi
+
+# Create a lock file; remove on script exit. This is a fairly crummy lock,
+# but all it needs to do is prevent hotplug from calling this script,
+# which may happen when the module is loaded below. Since it should only
+# happen when the module is loaded, I don't need a proper lock.
+if [ -e /var/lock/wlan-$IFACE.lock ]; then
+ exit 0
+fi
+touch /var/lock/wlan-$IFACE.lock
+cleanup () {
+ rm -f /var/lock/wlan-$IFACE.lock
+}
+trap cleanup 0
+
+if [ -z "$IF_WIRELESS_MODE" ]; then
+ IF_WIRELESS_MODE="ad_hoc"
+fi
+
+if [ -z "$IF_WLAN_NG_HOSTWEP" ]; then
+ IF_WLAN_NG_HOSTWEP=false
+fi
+
+if [ -z "$IF_WLAN_NG_DEFAULT_KEY_ID" ]; then
+ IF_WLAN_NG_DEFAULT_KEY_ID=0
+fi
+
+if [ -z "$IF_WLAN_NG_EXCLUDE_UNENCRYPTED" ]; then
+ IF_WLAN_NG_EXCLUDE_UNENCRYPTED=true
+fi
+
+if [ -z "$IF_WLAN_NG_PRIV_KEY128" ]; then
+ IF_WLAN_NG_PRIV_KEY128=false
+fi
+
+if [ -z "$IF_WLAN_NG_BCINT" ]; then
+ IF_WLAN_NG_BCINT=100
+fi
+
+if [ -z "$IF_WLAN_NG_BASICRATES" ]; then
+ IF_WLAN_NG_BASICRATES="2 4"
+fi
+
+if [ -z "$IF_WLAN_NG_OPRATES" ]; then
+ IF_WLAN_NG_OPRATES="2 4 11 22"
+fi
+
+if [ -z "$IF_WLAN_NG_AUTHTYPE" ]; then
+ IF_WLAN_NG_AUTHTYPE="opensystem"
+fi
+
+if [ -z "$IF_WIRELESS_CHANNEL" ]; then
+ IF_WIRELESS_CHANNEL=1
+fi
+
+if ! modprobe p80211; then
+ echo "Failed to load p80211.o." >&2
+ exit 1
+fi
+
+# NOTE: We don't explicitly insmod the card driver here. The
+# best thing to do is to specify an alias in /etc/modules.conf.
+# Then, the first time we call wlanctl with the named device,
+# the kernel module autoload stuff will take over.
+# But, if you prefer, you could modprobe it here.
+
+
+# Bring the card up into an operable state.
+result=`$WLANCTL $IFACE lnxreq_ifstate ifstate=enable`
+if [ $? = 0 ] ; then
+ eval $result
+ if [ $resultcode != "success" ]; then
+ echo "Failed to enable the device, resultcode=" $resultcode "." >&2
+ exit 1
+ fi
+else
+ echo "Failed to enable the device, exitcode=" $? "." >&2
+ exit 1
+fi
+
+# Set user-specified MIB items.
+for i in $IF_WLAN_NG_USER_MIBS; do
+ result=`$WLANCTL $IFACE dot11req_mibset "mibattribute=$i"`
+
+ if [ $? = 0 ] ; then
+ eval $result
+ if [ $resultcode != "success" ] ; then
+ echo "Failed to set user MIB $i." >&2
+ exit 1
+ fi
+ else
+ echo "Failed to set user MIB $i." >&2
+ exit 1
+ fi
+done
+
+if [ "$IF_WIRELESS_ENC" = "on" ]; then
+ # Set up WEP.
+ result=`$WLANCTL $IFACE dot11req_mibget mibattribute=dot11PrivacyOptionImplemented`
+ if [ $? = 0 ] ; then
+ eval $result
+ eval $mibattribute
+ else
+ echo "mibget failed." >&2
+ exit 1
+ fi
+
+ if [ "$dot11PrivacyOptionImplemented" != "true" ]; then
+ echo "Cannot enable privacy, dot11PrivacyOptionImplemented=$dot11PrivacyOptionImplemented." >&2
+ exit 1
+ fi
+
+ $WLANCTL $IFACE lnxreq_hostwep decrypt=$IF_WLAN_NG_HOSTWEP encrypt=$IF_WLAN_NG_HOSTWEP >/dev/null
+
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11WEPDefaultKeyID=$IF_WLAN_NG_DEFAULT_KEY_ID \
+ >/dev/null
+
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11ExcludeUnencrypted=$IF_WLAN_NG_EXCLUDE_UNENCRYPTED \
+ >/dev/null
+
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11PrivacyInvoked=true >/dev/null
+
+ if [ -e "$IF_WLAN_NG_KEYFILE" ]; then
+ IF_WLAN_NG_PRIV_GENSTR=`cat $IF_WLAN_NG_KEYFILE`
+ fi
+ if [ ! -z "$IF_WLAN_NG_PRIV_GENSTR" ]; then
+ if [ "$IF_WLAN_NG_PRIV_KEY128" = "false" ]; then
+ keys=`$PRIV_GENERATOR "$IF_WLAN_NG_PRIV_GENSTR" 5`
+ else
+ keys=`$PRIV_GENERATOR "$IF_WLAN_NG_PRIV_GENSTR" 13`
+ fi
+
+ knum=0
+ for i in $keys; do
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11WEPDefaultKey$knum=$i \
+ >/dev/null
+ knum=$(expr $knum + 1)
+ done
+ else
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11WEPDefaultKey0=$IF_WLAN_NG_KEY0 \
+ >/dev/null
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11WEPDefaultKey1=$IF_WLAN_NG_KEY1 \
+ >/dev/null
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11WEPDefaultKey2=$IF_WLAN_NG_KEY2 \
+ >/dev/null
+ $WLANCTL $IFACE dot11req_mibset \
+ mibattribute=dot11WEPDefaultKey3=$IF_WLAN_NG_KEY3 \
+ >/dev/null
+ fi
+fi
+
+# MAC startup
+if [ "$IF_WIRELESS_MODE" = "ad_hoc" ] ||
+ [ "$IF_WIRELESS_MODE" = "ad-hoc" ]; then
+ startcmd="$WLANCTL $IFACE dot11req_start "
+ startcmd="$startcmd ssid=$IF_WIRELESS_ESSID"
+ startcmd="$startcmd bsstype=independent"
+ startcmd="$startcmd beaconperiod=$IF_WLAN_NG_BCINT"
+ startcmd="$startcmd dtimperiod=3"
+ startcmd="$startcmd cfpollable=false"
+ startcmd="$startcmd cfpollreq=false"
+ startcmd="$startcmd cfpperiod=3"
+ startcmd="$startcmd cfpmaxduration=100"
+ startcmd="$startcmd probedelay=100"
+ startcmd="$startcmd dschannel=$IF_WIRELESS_CHANNEL"
+ j=1
+ for i in $IF_WLAN_NG_BASICRATES; do
+ startcmd="$startcmd basicrate$j=$i"
+ j=$(expr $j + 1)
+ done
+ j=1
+ for i in $IF_WLAN_NG_OPRATES; do
+ startcmd="$startcmd operationalrate$j=$i"
+ j=$(expr $j + 1)
+ done
+
+ results=`$startcmd`
+ if [ $? = 0 ]; then
+ eval $results
+ if [ $resultcode != "success" ] ; then
+ echo "IBSS not started, resultcode=$resultcode" >&2
+ exit 1
+ fi
+ else
+ echo FAILED: $startcmd >&2
+ exit 1
+ fi
+else
+ # Infrastructure mode.
+ results=`$WLANCTL $IFACE lnxreq_autojoin \
+ "ssid=$IF_WIRELESS_ESSID" \
+ authtype=$IF_WLAN_NG_AUTHTYPE | sed 's/\([^=]*\)=\(.*\)/\1="\2"/'`
+ if [ $? = 0 ]; then
+ eval $results
+ if [ ${resultcode:-"failure"} != "success" ]; then
+ echo 'error: Autojoin indicated failure!' >&2
+ exit 1
+ fi
+ fi
+fi
git.openpandora.org / openembedded.git / commitdiff