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