openwrt/package/broadcom-wl/files/lib/wifi/broadcom.sh

   1 bridge_interface() {
   2         (
   3                 . /etc/functions.sh
   4                 include network
   5                 scan_interfaces
   6                 cfg="$(find_config "$1")"
   7                 [ -z "$cfg" ] && return 0
   8                 config_get iftype "$cfg" type
   9                 [ "$iftype" = bridge ] && config_get "$iftype" bridge
  10         )
  11 }
  12
  13 scan_broadcom() {
  14         local device="$1"
  15
  16         config_get vifs "$device" vifs
  17         for vif in $vifs; do
  18                 config_get mode "$vif" mode
  19                 case "$mode" in
  20                         adhoc)
  21                                 adhoc=1
  22                                 adhoc_if="$vif"
  23                         ;;
  24                         sta)
  25                                 sta=1
  26                                 sta_if="$vif"
  27                         ;;
  28                         ap)
  29                                 ap=1
  30                                 ap_if="${ap_if:+$ap_if }$vif"
  31                         ;;
  32                         *) echo "$device($vif): Invalid mode";;
  33                 esac
  34         done
  35
  36         local _c=
  37         for vif in ${adhoc_if:-$sta_if $ap_if}; do
  38                 config_set "$vif" ifname "wl0${_c:+.$_c}"
  39                 _c=$((${_c:-0} + 1))
  40         done
  41
  42         ifdown="down"
  43         for vif in 0 1 2 3; do
  44                 append ifdown "vif $vif" "$N"
  45                 append ifdown "enabled 0" "$N"
  46         done
  47
  48         ap=1
  49         infra=1
  50         mssid=1
  51         apsta=0
  52         radio=1
  53         case "$adhoc:$sta:$ap" in
  54                 1*)
  55                         ap=0
  56                         mssid=0
  57                         infra=0
  58                 ;;
  59                 :1:1)
  60                         apsta=1
  61                         wet=1
  62                 ;;
  63                 :1:)
  64                         wet=1
  65                         ap=0
  66                         mssid=0
  67                 ;;
  68                 ::)
  69                         radio=0
  70                 ;;
  71         esac
  72 }
  73
  74
  75 setup_broadcom() {
  76         local _c
  77         config_get channel "$device" channel
  78         config_get country "$device" country
  79         config_get maxassoc "$device" maxassoc
  80
  81         _c=0
  82         nas="$(which nas)"
  83         nas_cmd=
  84         if_up=
  85         for vif in ${adhoc_if:-$sta_if $ap_if}; do
  86                 append vif_pre_up "vif $_c" "$N"
  87                 append vif_post_up "vif $_c" "$N"
  88
  89                 [ "$vif" = "$sta_if" ] || {
  90                         config_get_bool hidden "$vif" hidden 1
  91                         append vif_pre_up "closed $hidden" "$N"
  92                         config_get_bool isolate "$vif" isolate
  93                         append vif_pre_up "ap_isolate $hidden" "$N"
  94                 }
  95
  96                 wsec_r=0
  97                 eap_r=0
  98                 wsec=0
  99                 auth=0
 100                 nasopts=
 101                 config_get enc "$vif" encryption
 102                 case "$enc" in
 103                         WEP|wep)
 104                                 wsec_r=1
 105                         ;;
 106                         *psk*|*PSK*)
 107                                 wsec_r=1
 108                                 config_get key "$vif" key
 109                                 case "$enc" in
 110                                         wpa2*|WPA2*|PSK2*|psk2*) auth=128; wsec=4;;
 111                                         *) auth=4; crypto=2;;
 112                                 esac
 113                                 eval "${vif}_key=\"\$key\""
 114                                 nasopts="-k \"\$${vif}_key\""
 115                         ;;
 116                         *wpa*|*WPA*)
 117                                 wsec_r=1
 118                                 eap_r=1
 119                                 config_get key "$vif" key
 120                                 config_get server "$vif" server
 121                                 config_get port "$vif" port
 122                                 case "$enc" in
 123                                         wpa2*|WPA2*) auth=64; wsec=4;;
 124                                         *) auth=2; crypto=2;;
 125                                 esac
 126                                 eval "${vif}_key=\"\$key\""
 127                                 nasopts="-r \"\$${vif}_key\" -h $server -p $port"
 128                         ;;
 129                 esac
 130                 append vif_post_up "wsec $wsec" "$N"
 131                 append vif_post_up "wpa_auth $auth" "$N"
 132                 append vif_post_up "wsec_restrict $wsec_r" "$N"
 133                 append vif_post_up "eap_restrict $eap_r" "$N"
 134
 135                 config_get ssid "$vif" ssid
 136                 append vif_post_up "ssid $ssid" "$N"
 137                 append vif_post_up "enabled 1" "$N"
 138
 139                 config_get ifname "$vif" ifname
 140                 append if_up "ifconfig $ifname up" ";$N"
 141                 [ -z "$nasopts" ] || {
 142                         bridge="$(bridge_interface "$ifname")"
 143                         eval "${vif}_ssid=\"\$ssid\""
 144                         mode="-A"
 145                         [ "$vif" = "$sta_if" ] && mode="-S"
 146                         [ -z "$nas" ] || nas_cmd="${nas_cmd:+$nas_cmd$N}$nas -P /var/run/nas.$ifname.pid -H 34954 ${bridge:+ -l $bridge} -i $ifname $mode -m $auth -w $crypto -s \"\$${vif}_ssid\" -g 3600 $nasopts &"
 147                 }
 148                 _c=$(($_c + 1))
 149         done
 150         killall -KILL nas >&- 2>&-
 151         wlc stdin <<EOF
 152 $ifdown
 153
 154 mssid $mssid
 155 ap $ap
 156 apsta $apsta
 157 infra $infra
 158 ${wet:+wet 1}
 159
 160 radio ${radio:-1}
 161 macfilter 0
 162 maclist none
 163 wds none
 164 channel ${channel:-0}
 165 country ${country:-IL0}
 166 maxassoc ${maxassoc:-128}
 167
 168 $vif_pre_up
 169 up
 170 $vif_post_up
 171 EOF
 172         eval "$nas_cmd"
 173         eval "$if_up"
 174 }
 175
 176