package/hostap-driver/files/lib/wifi/hostap.sh

   1 #!/bin/sh
   2 append DRIVERS "prism2"
   3
   4 scan_prism2() {
   5         local device="$1"
   6         local mainvif
   7         local wds
   8
   9         config_get vifs "$device" vifs
  10         local _c=0
  11         for vif in $vifs; do
  12                 config_get mode "$vif" mode
  13                 case "$mode" in
  14                         adhoc|sta|ap|monitor)
  15                                 # Only one vif is allowed on AP, station, Ad-hoc or monitor mode
  16                                 [ -z "$mainvif" ] && {
  17                                         mainvif="$vif"
  18                                         config_set "$vif" ifname "$device"
  19                                 }
  20                         ;;
  21                         wds)
  22                                 config_get ssid "$vif" ssid
  23                                 [ -z "$ssid" ] && continue
  24                                 config_set "$vif" ifname "${device}wds${_c}"
  25                                 _c=$(($_c + 1))
  26                                 addr="$ssid"
  27                                 ${addr:+append wds "$vif"}
  28                         ;;
  29                         *) echo "$device($vif): Invalid mode, ignored."; continue;;
  30                 esac
  31         done
  32         config_set "$device" vifs "${mainvif:+$mainvif }${wds:+$wds}"
  33 }
  34
  35 disable_prism2() (
  36         local device="$1"
  37
  38         set_wifi_down "$device"
  39
  40         include /lib/network
  41         while read line < /proc/net/hostap/${device}/wds; do
  42                 set $line
  43                 [ -f "/var/run/wifi-${1}.pid" ] &&
  44                         kill "$(cat "/var/run/wifi-${1}.pid")"
  45                 ifconfig "$1" down
  46                 unbridge "$1"
  47                 iwpriv "$device" wds_del "$2"
  48         done
  49         unbridge "$device"
  50         return 0
  51 )
  52
  53 enable_prism2() {
  54         local device="$1"
  55
  56         config_get rxantenna "$device" rxantenna
  57         [ -n "$rxantenna" ] && iwpriv $device antsel_rx "$rxantenna"
  58
  59         config_get txantenna "$device" txantenna
  60         [ -n "$txantenna" ] && iwpriv $device antsel_tx "$txantenna"
  61
  62         config_get channel "$device" channel
  63         [ -n "$channel" ] && iwconfig "$device" channel "$channel" >/dev/null 2>/dev/null
  64
  65         config_get txpower "$device" txpower
  66         [ -n "$txpower" ] && iwconfig "$device" txpower "${txpower%%.*}"
  67
  68         config_get vifs "$device" vifs
  69         local first=1
  70         for vif in $vifs; do
  71                 config_get ifname "$vif" ifname
  72                 config_get ssid "$vif" ssid
  73                 config_get mode "$vif" mode
  74
  75                 [ "$mode" = "wds" ] || iwconfig "$device" essid "$ssid"
  76
  77                 case "$mode" in
  78                         sta) iwconfig "$device" mode managed;;
  79                         ap) iwconfig "$device" mode master;;
  80                         wds) iwpriv "$device" wds_add "$ssid";;
  81                         *) iwconfig "$device" mode "$mode";;
  82                 esac
  83
  84                 [ "$first" = 1 ] && {
  85                         config_get rate "$vif" rate
  86                         [ -n "$rate" ] && iwconfig "$device" rate "${rate%%.*}"
  87
  88                         config_get_bool hidden "$vif" hidden 0
  89                         iwpriv "$ifname" enh_sec "$hidden"
  90
  91                         [ -n "$maclist" ] && {
  92                                 # flush MAC list
  93                                 iwpriv "$device" maccmd 3
  94                                 for mac in $maclist; do
  95                                         iwpriv "$device" addmac "$mac"
  96                                 done
  97                         }
  98                         case "$macpolicy" in
  99                                 allow)
 100                                         iwpriv $device maccmd 2
 101                                 ;;
 102                                 deny)
 103                                         iwpriv $device maccmd 1
 104                                 ;;
 105                                 *)
 106                                         # default deny policy if mac list exists
 107                                         [ -n "$maclist" ] && iwpriv $device maccmd 1
 108                                 ;;
 109                         esac
 110                         # kick all stations if we have policy explicitly set
 111                         [ -n "$macpolicy" ] && iwpriv $device maccmd 4
 112                 }
 113
 114                 config_get enc "$vif" encryption
 115                 case "$enc" in
 116                         WEP|wep)
 117                                 for idx in 1 2 3 4; do
 118                                         config_get key "$vif" "key${idx}"
 119                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 120                                 done
 121                                 config_get key "$vif" key
 122                                 key="${key:-1}"
 123                                 case "$key" in
 124                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 125                                         *) iwconfig "$ifname" enc "$key";;
 126                                 esac
 127                         ;;
 128                         psk*|wpa*)
 129                                 start_hostapd=1
 130                                 config_get key "$vif" key
 131                         ;;
 132                 esac
 133
 134                 local net_cfg bridge
 135                 net_cfg="$(find_net_config "$vif")"
 136                 [ -z "$net_cfg" ] || {
 137                         bridge="$(bridge_interface "$net_cfg")"
 138                         config_set "$vif" bridge "$bridge"
 139                         start_net "$ifname" "$net_cfg"
 140                 }
 141                 set_wifi_up "$vif" "$ifname"
 142
 143                 case "$mode" in
 144                         ap)
 145                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 146                                         hostapd_setup_vif "$vif" hostap || {
 147                                                 echo "enable_prism2($device): Failed to set up hostapd for interface $ifname" >&2
 148                                                 # make sure this wifi interface won't accidentally stay open without encryption
 149                                                 ifconfig "$ifname" down
 150                                                 continue
 151                                         }
 152                                 fi
 153                         ;;
 154                         wds|sta)
 155                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 156                                         wpa_supplicant_setup_vif "$vif" hostap || {
 157                                                 echo "enable_prism2($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 158                                                 ifconfig "$ifname" down
 159                                                 continue
 160                                         }
 161                                 fi
 162                         ;;
 163                 esac
 164                 first=0
 165         done
 166
 167 }
 168
 169 detect_prism2() {
 170         cd /proc/net/hostap
 171         [ -d wlan* ] || return
 172         for dev in $(ls -d wlan* 2>&-); do
 173                 config_get type "$dev" type
 174                 [ "$type" = prism2 ] && continue
 175                 cat <<EOF
 176
 177 config wifi-device $dev
 178         option type     prism2
 179         option channel  6
 180
 181         # REMOVE THIS LINE TO ENABLE WIFI:
 182         option disabled 1
 183
 184 config wifi-iface
 185         option device   $dev
 186         option network  lan
 187         option mode     ap
 188         option ssid     OpenWrt
 189         option encryption none
 190 EOF
 191         done
 192 }