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         config_get txantenna "$device" txantenna
  58         config_get_bool diversity "$device" diversity
  59         [ -n "$diversity" ] && {
  60                 rxantenna="1"
  61                 txantenna="1"
  62         }
  63         [ -n "$rxantenna" ] && iwpriv $device antsel_rx "$rxantenna"
  64         [ -n "$txantenna" ] && iwpriv $device antsel_tx "$txantenna"
  65
  66         config_get channel "$device" channel
  67         [ -n "$channel" ] && iwconfig "$device" channel "$channel" >/dev/null 2>/dev/null
  68
  69         config_get txpower "$device" txpower
  70         [ -n "$txpower" ] && iwconfig "$device" txpower "${txpower%%.*}"
  71
  72         config_get vifs "$device" vifs
  73         local first=1
  74         for vif in $vifs; do
  75                 config_get ifname "$vif" ifname
  76                 config_get ssid "$vif" ssid
  77                 config_get mode "$vif" mode
  78
  79                 [ "$mode" = "wds" ] || iwconfig "$device" essid -- "$ssid"
  80
  81                 case "$mode" in
  82                         sta)
  83                                 iwconfig "$device" mode managed
  84                                 config_get addr "$device" bssid
  85                                 [ -z "$addr" ] || {
  86                                         iwconfig "$device" ap "$addr"
  87                                 }
  88                         ;;
  89                         ap) iwconfig "$device" mode master;;
  90                         wds) iwpriv "$device" wds_add "$ssid";;
  91                         *) iwconfig "$device" mode "$mode";;
  92                 esac
  93
  94                 [ "$first" = 1 ] && {
  95                         config_get rate "$vif" rate
  96                         [ -n "$rate" ] && iwconfig "$device" rate "${rate%%.*}"
  97
  98                         config_get_bool hidden "$vif" hidden 0
  99                         iwpriv "$device" enh_sec "$hidden"
 100
 101                         config_get frag "$vif" frag
 102                         [ -n "$frag" ] && iwconfig "$device" frag "${frag%%.*}"
 103
 104                         config_get rts "$vif" rts
 105                         [ -n "$rts" ] && iwconfig "$device" rts "${rts%%.*}"
 106
 107                         config_get maclist "$vif" maclist
 108                         [ -n "$maclist" ] && {
 109                                 # flush MAC list
 110                                 iwpriv "$device" maccmd 3
 111                                 for mac in $maclist; do
 112                                         iwpriv "$device" addmac "$mac"
 113                                 done
 114                         }
 115                         config_get macpolicy "$vif" macpolicy
 116                         case "$macpolicy" in
 117                                 allow)
 118                                         iwpriv $device maccmd 2
 119                                 ;;
 120                                 deny)
 121                                         iwpriv $device maccmd 1
 122                                 ;;
 123                                 *)
 124                                         # default deny policy if mac list exists
 125                                         [ -n "$maclist" ] && iwpriv $device maccmd 1
 126                                 ;;
 127                         esac
 128                         # kick all stations if we have policy explicitly set
 129                         [ -n "$macpolicy" ] && iwpriv $device maccmd 4
 130                 }
 131
 132                 config_get enc "$vif" encryption
 133                 case "$enc" in
 134                         WEP|wep)
 135                                 for idx in 1 2 3 4; do
 136                                         config_get key "$vif" "key${idx}"
 137                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 138                                 done
 139                                 config_get key "$vif" key
 140                                 key="${key:-1}"
 141                                 case "$key" in
 142                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 143                                         *) iwconfig "$ifname" enc "$key";;
 144                                 esac
 145                         ;;
 146                         psk*|wpa*)
 147                                 start_hostapd=1
 148                                 config_get key "$vif" key
 149                         ;;
 150                 esac
 151
 152                 local net_cfg bridge
 153                 net_cfg="$(find_net_config "$vif")"
 154                 [ -z "$net_cfg" ] || {
 155                         bridge="$(bridge_interface "$net_cfg")"
 156                         config_set "$vif" bridge "$bridge"
 157                         start_net "$ifname" "$net_cfg"
 158                 }
 159                 set_wifi_up "$vif" "$ifname"
 160
 161                 case "$mode" in
 162                         ap)
 163                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 164                                         hostapd_setup_vif "$vif" hostap || {
 165                                                 echo "enable_prism2($device): Failed to set up hostapd for interface $ifname" >&2
 166                                                 # make sure this wifi interface won't accidentally stay open without encryption
 167                                                 ifconfig "$ifname" down
 168                                                 continue
 169                                         }
 170                                 fi
 171                         ;;
 172                         wds|sta)
 173                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 174                                         wpa_supplicant_setup_vif "$vif" hostap || {
 175                                                 echo "enable_prism2($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 176                                                 ifconfig "$ifname" down
 177                                                 continue
 178                                         }
 179                                 fi
 180                         ;;
 181                 esac
 182                 first=0
 183         done
 184
 185 }
 186
 187 detect_prism2() {
 188         cd /proc/net/hostap
 189         [ -d wlan* ] || return
 190         for dev in $(ls -d wlan* 2>&-); do
 191                 config_get type "$dev" type
 192                 [ "$type" = prism2 ] && continue
 193                 cat <<EOF
 194
 195 config wifi-device $dev
 196         option type     prism2
 197         option channel  6
 198
 199         # REMOVE THIS LINE TO ENABLE WIFI:
 200         option disabled 1
 201
 202 config wifi-iface
 203         option device   $dev
 204         option network  lan
 205         option mode     ap
 206         option ssid     OpenWrt
 207         option encryption none
 208 EOF
 209         done
 210 }