root@router:/# ls /etc | grep -i hosta





root@router:/# opkg install hostapd-mini
Installing hostapd-mini (20100309-1) to root...
Downloading http://downloads.openwrt.org/backfire/10.03/ar71xx/packages/hostapd-mini_20100309-1_ar71xx.ipk.
Collected errors:
 * check_data_file_clashes: Package hostapd-mini wants to install file /usr/sbin/hostapd
	But that file is already provided by package  * check_data_file_clashes: wpad-mini
 * check_data_file_clashes: Package hostapd-mini wants to install file /lib/wifi/hostapd.sh
	But that file is already provided by package  * check_data_file_clashes: wpad-mini
 * opkg_install_cmd: Cannot install package hostapd-mini.




root@router:/# find / -name "*wpad*"
/usr/lib/opkg/info/wpad-mini.list
/usr/lib/opkg/info/wpad-mini.control
/usr/sbin/wpad
/overlay/usr/lib/opkg/info/wpad-mini.list
/overlay/usr/lib/opkg/info/wpad-mini.control
/overlay/usr/sbin/wpad




root@router:/# cat /usr/lib/opkg/info/wpad-mini.list 
/lib/wifi/wpa_supplicant.sh
/usr/sbin/wpad
/usr/sbin/hostapd
/lib/wifi/hostapd.sh
/usr/sbin/wpa_supplicant




root@router:/# cat /lib/wifi/wpa_supplicant.sh 
wpa_supplicant_setup_vif() {
	local vif="$1"
	local driver="$2"
	local key="$key"

	# wpa_supplicant should use wext for mac80211 cards
	[ "$driver" = "mac80211" ] && driver='wext'

	# make sure we have the encryption type and the psk
	[ -n "$enc" ] || {
		config_get enc "$vif" encryption
	}
	[ -n "$key" ] || {
		config_get key "$vif" key
	}

	local net_cfg bridge
	config_get bridge "$vif" bridge
	[ -z "$bridge" ] && {
		net_cfg="$(find_net_config "$vif")"
		[ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
		config_set "$vif" bridge "$bridge"
	}

	case "$enc" in
		*none*)
			key_mgmt='NONE'
		;;
		*wep*)
			key_mgmt='NONE'
			config_get key "$vif" key
			key="${key:-1}"
			case "$key" in
				[1234])
					for idx in 1 2 3 4; do
						local zidx
						zidx=$(($idx - 1))
						config_get ckey "$vif" "key${idx}"
						[ -n "$ckey" ] && \
							append "wep_key${zidx}" "wep_key${zidx}=$(prepare_key_wep "$ckey")"
					done
					wep_tx_keyidx="wep_tx_keyidx=$((key - 1))"
				;;
				*)
					wep_key0="wep_key0=$(prepare_key_wep "$key")"
					wep_tx_keyidx="wep_tx_keyidx=0"
				;;
			esac
		;;
		*psk*)
			key_mgmt='WPA-PSK'
			config_get_bool usepassphrase "$vif" passphrase 1
			if [ "$usepassphrase" = "1" ]; then
				passphrase="psk=\"${key}\""
			else
				passphrase="psk=${key}"
			fi
			case "$enc" in
				*psk2*)
					proto='proto=RSN'
					config_get ieee80211w "$vif" ieee80211w
				;;
				*psk*)
					proto='proto=WPA'
				;;
			esac
		;;
		*wpa*|*8021x*)
			proto='proto=WPA2'
			key_mgmt='WPA-EAP'
			config_get ieee80211w "$vif" ieee80211w
			config_get ca_cert "$vif" ca_cert
			ca_cert=${ca_cert:+"ca_cert=\"$ca_cert\""}
			case "$eap_type" in
				tls)
					pairwise='pairwise=CCMP'
					group='group=CCMP'
					config_get priv_key "$vif" priv_key
					config_get priv_key_pwd "$vif" priv_key_pwd
					priv_key="private_key=\"$priv_key\""
					priv_key_pwd="private_key_passwd=\"$priv_key_pwd\""
				;;
				peap|ttls)
					config_get auth "$vif" auth
					config_get identity "$vif" identity
					config_get password "$vif" password
					phase2="phase2=\"auth=${auth:-MSCHAPV2}\""
					identity="identity=\"$identity\""
					password="password=\"$password\""
				;;
			esac
			eap_type="eap=$(echo $eap_type | tr 'a-z' 'A-Z')"
		;;
	esac

	case "$ieee80211w" in
		[012])
			ieee80211w="ieee80211w=$ieee80211w"
		;;
	esac

	config_get ifname "$vif" ifname
	config_get bridge "$vif" bridge
	config_get ssid "$vif" ssid
	config_get bssid "$vif" bssid
	bssid=${bssid:+"bssid=$bssid"}
	rm -rf /var/run/wpa_supplicant-$ifname
	cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
ctrl_interface=/var/run/wpa_supplicant-$ifname
network={
	scan_ssid=1
	ssid="$ssid"
	$bssid
	key_mgmt=$key_mgmt
	$proto
	$ieee80211w
	$passphrase
	$pairwise
	$group
	$eap_type
	$ca_cert
	$priv_key
	$priv_key_pwd
	$phase2
	$identity
	$password
	$wep_key0
	$wep_key1
	$wep_key2
	$wep_key3
	$wep_tx_keyidx
}
EOF
	[ -z "$proto" -a "$key_mgmt" != "NONE" ] || \
		wpa_supplicant ${bridge:+ -b $bridge} -B -P "/var/run/wifi-${ifname}.pid" -D ${driver:-wext} -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf
}





root@router:/# cat /usr/lib/opkg/info/wpad-mini.list 
/lib/wifi/wpa_supplicant.sh
/usr/sbin/wpad
/usr/sbin/hostapd
/lib/wifi/hostapd.sh
/usr/sbin/wpa_supplicant









root@router:/# cat /lib/wifi/hostapd.sh 
hostapd_set_bss_options() {
	local var="$1"
	local vif="$2"
	local enc wpa_group_rekey

	config_get enc "$vif" encryption
	config_get wpa_group_rekey "$vif" wpa_group_rekey

	# Examples:
	# psk-mixed/tkip 	=> WPA1+2 PSK, TKIP
	# wpa-psk2/tkip+aes	=> WPA2 PSK, CCMP+TKIP
	# wpa2/tkip+aes 	=> WPA2 RADIUS, CCMP+TKIP
	# ...

	# TODO: move this parsing function somewhere generic, so that
	# later it can be reused by drivers that don't use hostapd

	# crypto defaults: WPA2 vs WPA1
	case "$enc" in
		wpa2*|*psk2*)
			wpa=2
			crypto="CCMP"
		;;
		*mixed*)
			wpa=3
			crypto="CCMP TKIP"
		;;
		*)
			wpa=1
			crypto="TKIP"
		;;
	esac

	# explicit override for crypto setting
	case "$enc" in
		*tkip+aes|*tkip+ccmp) crypto="CCMP TKIP";;
		*aes|*ccmp) crypto="CCMP";;
		*tkip) crypto="TKIP";;
	esac

	# use crypto/auth settings for building the hostapd config
	case "$enc" in
		*psk*)
			config_get psk "$vif" key
			if [ ${#psk} -eq 64 ]; then
				append "$var" "wpa_psk=$psk" "$N"
			else
				append "$var" "wpa_passphrase=$psk" "$N"
			fi
		;;
		*wpa*)
			# required fields? formats?
			# hostapd is particular, maybe a default configuration for failures
			config_get server "$vif" server
			append "$var" "auth_server_addr=$server" "$N"
			config_get port "$vif" port
			port=${port:-1812}
			append "$var" "auth_server_port=$port" "$N"
			config_get secret "$vif" key
			append "$var" "auth_server_shared_secret=$secret" "$N"
			config_get nasid "$vif" nasid
			append "$var" "nas_identifier=$nasid" "$N"
			append "$var" "eapol_key_index_workaround=1" "$N"
			append "$var" "radius_acct_interim_interval=300" "$N"
			append "$var" "ieee8021x=1" "$N"
			append "$var" "auth_algs=1" "$N"
			append "$var" "wpa_key_mgmt=WPA-EAP" "$N"
			append "$var" "wpa_group_rekey=300" "$N"
			append "$var" "wpa_gmk_rekey=640" "$N"
		;;
		*wep*)
			config_get key "$vif" key
			key="${key:-1}"
			case "$key" in
				[1234])
					for idx in 1 2 3 4; do
						local zidx
						zidx=$(($idx - 1))
						config_get ckey "$vif" "key${idx}"
						[ -n "$ckey" ] && \
							append "$var" "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N"
					done
					append "$var" "wep_default_key=$((key - 1))"  "$N"
				;;
				*)
					append "$var" "wep_key0=$(prepare_key_wep "$key")" "$N"
					append "$var" "wep_default_key=0" "$N"
				;;
			esac
			wpa=0
			crypto=
		;;
		*)
			wpa=0
			crypto=
		;;
	esac
	append "$var" "wpa=$wpa" "$N"
	[ -n "$crypto" ] && append "$var" "wpa_pairwise=$crypto" "$N"
	[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"

	config_get ssid "$vif" ssid
	config_get bridge "$vif" bridge
	config_get ieee80211d "$vif" ieee80211d

	append "$var" "ssid=$ssid" "$N"
	[ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
	[ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"

	[ "$wpa" -ge "2" ] && config_get ieee80211w "$vif" ieee80211w
	case "$ieee80211w" in
		[012])
			append "$var" "ieee80211w=$ieee80211w" "$N"
			[ "$ieee80211w" -gt "0" ] && {
				config_get ieee80211w_max_timeout "$vif" ieee80211w_max_timeout
				config_get ieee80211w_retry_timeout "$vif" ieee80211w_retry_timeout
				[ -n "$ieee80211w_max_timeout" ] && \
					append "$var" "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
				[ -n "$ieee80211w_retry_timeout" ] && \
					append "$var" "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
			}
		;;
	esac
}

hostapd_setup_vif() {
	local vif="$1"
	local driver="$2"
	hostapd_cfg=

	hostapd_set_bss_options hostapd_cfg "$vif"
	config_get ifname "$vif" ifname
	config_get device "$vif" device
	config_get channel "$device" channel
	config_get hwmode "$device" hwmode
	case "$hwmode" in
		*bg|*gdt|*gst|*fh) hwmode=g;;
		*adt|*ast) hwmode=a;;
	esac
	[ "$channel" = auto ] && channel=
	[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
	cat > /var/run/hostapd-$ifname.conf <<EOF
ctrl_interface=/var/run/hostapd-$ifname
driver=$driver
interface=$ifname
${hwmode:+hw_mode=${hwmode#11}}
${channel:+channel=$channel}
$hostapd_cfg
EOF
	hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf
}

root@router:/#