packages: sort network related packages into package/network/
[openwrt.git] / package / network / services / hostapd / files / hostapd.sh
diff --git a/package/network/services/hostapd/files/hostapd.sh b/package/network/services/hostapd/files/hostapd.sh
new file mode 100644 (file)
index 0000000..d60c26f
--- /dev/null
@@ -0,0 +1,276 @@
+hostapd_set_bss_options() {
+       local var="$1"
+       local vif="$2"
+       local enc wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wps_possible
+
+       config_get enc "$vif" encryption
+       config_get wep_rekey        "$vif" wep_rekey        # 300
+       config_get wpa_group_rekey  "$vif" wpa_group_rekey  # 300
+       config_get wpa_pair_rekey   "$vif" wpa_pair_rekey   # 300
+       config_get wpa_master_rekey "$vif" wpa_master_rekey # 640
+       config_get_bool ap_isolate "$vif" isolate 0
+       config_get_bool disassoc_low_ack "$vif" disassoc_low_ack 1
+       config_get max_num_sta "$vif" max_num_sta 0
+       config_get max_inactivity "$vif" max_inactivity 0
+
+       config_get device "$vif" device
+       config_get hwmode "$device" hwmode
+       config_get phy "$device" phy
+
+       append "$var" "ctrl_interface=/var/run/hostapd-$phy" "$N"
+
+       if [ "$ap_isolate" -gt 0 ]; then
+               append "$var" "ap_isolate=$ap_isolate" "$N"
+       fi
+       if [ "$max_num_sta" -gt 0 ]; then
+               append "$var" "max_num_sta=$max_num_sta" "$N"
+       fi
+       if [ "$max_inactivity" -gt 0 ]; then
+               append "$var" "ap_max_inactivity=$max_inactivity" "$N"
+       fi
+       append "$var" "disassoc_low_ack=$disassoc_low_ack" "$N"
+
+       # Examples:
+       # psk-mixed/tkip        => WPA1+2 PSK, TKIP
+       # wpa-psk2/tkip+aes     => WPA2 PSK, CCMP+TKIP
+       # wpa2/tkip+aes         => WPA2 RADIUS, CCMP+TKIP
+       # ...
+
+       # TODO: move this parsing function somewhere generic, so that
+       # later it can be reused by drivers that don't use hostapd
+
+       # crypto defaults: WPA2 vs WPA1
+       case "$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 "$enc" in
+               *tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) crypto="CCMP TKIP";;
+               *aes|*ccmp) crypto="CCMP";;
+               *tkip) crypto="TKIP";;
+       esac
+
+       # enforce CCMP for 11ng and 11na
+       case "$hwmode:$crypto" in
+               *ng:TKIP|*na:TKIP) crypto="CCMP TKIP";;
+       esac
+
+       # use crypto/auth settings for building the hostapd config
+       case "$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" "$N"
+                       fi
+                       wps_possible=1
+                       [ -n "$wpa_group_rekey"  ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
+                       [ -n "$wpa_pair_rekey"   ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
+                       [ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
+               ;;
+               *wpa*)
+                       # required fields? formats?
+                       # hostapd is particular, maybe a default configuration for failures
+                       config_get auth_server "$vif" auth_server
+                       [ -z "$auth_server" ] && config_get auth_server "$vif" server
+                       append "$var" "auth_server_addr=$auth_server" "$N"
+                       config_get auth_port "$vif" auth_port
+                       [ -z "$auth_port" ] && config_get auth_port "$vif" port
+                       auth_port=${auth_port:-1812}
+                       append "$var" "auth_server_port=$auth_port" "$N"
+                       config_get auth_secret "$vif" auth_secret
+                       [ -z "$auth_secret" ] && config_get auth_secret "$vif" key
+                       append "$var" "auth_server_shared_secret=$auth_secret" "$N"
+                       config_get_bool auth_cache "$vif" auth_cache 0
+                       [ "$auth_cache" -gt 0 ] || append "$var" "disable_pmksa_caching=1" "$N"
+                       [ "$auth_cache" -gt 0 ] || append "$var" "okc=0" "$N"
+                       config_get acct_server "$vif" acct_server
+                       [ -n "$acct_server" ] && append "$var" "acct_server_addr=$acct_server" "$N"
+                       config_get acct_port "$vif" acct_port
+                       [ -n "$acct_port" ] && acct_port=${acct_port:-1813}
+                       [ -n "$acct_port" ] && append "$var" "acct_server_port=$acct_port" "$N"
+                       config_get acct_secret "$vif" acct_secret
+                       [ -n "$acct_secret" ] && append "$var" "acct_server_shared_secret=$acct_secret" "$N"
+                       config_get nasid "$vif" nasid
+                       append "$var" "nas_identifier=$nasid" "$N"
+                       append "$var" "eapol_key_index_workaround=1" "$N"
+                       append "$var" "ieee8021x=1" "$N"
+                       append "$var" "wpa_key_mgmt=WPA-EAP" "$N"
+                       [ -n "$wpa_group_rekey"  ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
+                       [ -n "$wpa_pair_rekey"   ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
+                       [ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey"  "$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"
+                                       [ -n "$wep_rekey" ] && append "$var" "wep_rekey_period=$wep_rekey" "$N"
+                               ;;
+                       esac
+                       case "$enc" in
+                               *shared*)
+                                       auth_algs=2
+                               ;;
+                               *mixed*)
+                                       auth_algs=3
+                               ;;
+                       esac
+                       wpa=0
+                       crypto=
+               ;;
+               *)
+                       wpa=0
+                       crypto=
+               ;;
+       esac
+       append "$var" "auth_algs=${auth_algs:-1}" "$N"
+       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
+       config_get iapp_interface "$vif" iapp_interface
+
+       config_get_bool wps_pbc "$vif" wps_pushbutton 0
+       config_get_bool wps_label "$vif" wps_label 0
+
+       config_get config_methods "$vif" wps_config
+       [ "$wps_pbc" -gt 0 ] && append config_methods push_button
+
+       [ -n "$wps_possible" -a -n "$config_methods" ] && {
+               config_get device_type "$vif" wps_device_type "6-0050F204-1"
+               config_get device_name "$vif" wps_device_name "OpenWrt AP"
+               config_get manufacturer "$vif" wps_manufacturer "openwrt.org"
+
+               append "$var" "eap_server=1" "$N"
+               append "$var" "wps_state=2" "$N"
+               append "$var" "ap_setup_locked=1" "$N"
+               append "$var" "device_type=$device_type" "$N"
+               append "$var" "device_name=$device_name" "$N"
+               append "$var" "manufacturer=$manufacturer" "$N"
+               append "$var" "config_methods=$config_methods" "$N"
+       }
+
+       append "$var" "ssid=$ssid" "$N"
+       [ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
+       [ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"
+       [ -n "$iapp_interface" ] && append "$var" iapp_interface=$(uci_get_state network "$iapp_interface" ifname "$iapp_interface") "$N"
+
+       if [ "$wpa" -ge "2" ]
+       then
+               # RSN -> allow preauthentication
+               config_get_bool rsn_preauth "$vif" rsn_preauth "$auth_cache"
+               if [ -n "$bridge" -a "$rsn_preauth" = 1 ]
+               then
+                       append "$var" "rsn_preauth=1" "$N"
+                       append "$var" "rsn_preauth_interfaces=$bridge" "$N"
+               fi
+
+               # RSN -> allow management frame protection
+               config_get ieee80211w "$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
+       fi
+}
+
+hostapd_set_log_options() {
+       local var="$1"
+       local cfg="$2"
+       local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
+
+       config_get log_level "$cfg" log_level 2
+
+       config_get_bool log_80211  "$cfg" log_80211  1
+       config_get_bool log_8021x  "$cfg" log_8021x  1
+       config_get_bool log_radius "$cfg" log_radius 1
+       config_get_bool log_wpa    "$cfg" log_wpa    1
+       config_get_bool log_driver "$cfg" log_driver 1
+       config_get_bool log_iapp   "$cfg" log_iapp   1
+       config_get_bool log_mlme   "$cfg" log_mlme   1
+
+       local log_mask=$((       \
+               ($log_80211  << 0) | \
+               ($log_8021x  << 1) | \
+               ($log_radius << 2) | \
+               ($log_wpa    << 3) | \
+               ($log_driver << 4) | \
+               ($log_iapp   << 5) | \
+               ($log_mlme   << 6)   \
+       ))
+
+       append "$var" "logger_syslog=$log_mask" "$N"
+       append "$var" "logger_syslog_level=$log_level" "$N"
+       append "$var" "logger_stdout=$log_mask" "$N"
+       append "$var" "logger_stdout_level=$log_level" "$N"
+}
+
+hostapd_setup_vif() {
+       local vif="$1"
+       local driver="$2"
+       local ifname device channel hwmode
+
+       hostapd_cfg=
+
+       config_get ifname "$vif" ifname
+       config_get device "$vif" device
+       config_get channel "$device" channel
+       config_get hwmode "$device" hwmode
+
+       hostapd_set_log_options hostapd_cfg "$device"
+       hostapd_set_bss_options hostapd_cfg "$vif"
+
+       case "$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-$ifname.conf <<EOF
+driver=$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
+}
+