package/hostapd/files/wpa_supplicant.sh

   1 wpa_supplicant_setup_vif() {
   2         local vif="$1"
   3         local driver="$2"
   4         local key="$key"
   5         local options="$3"
   6         local freq=""
   7         local ht="$5"
   8         local ap_scan=""
   9         local scan_ssid="1"
  10         [ -n "$4" ] && freq="frequency=$4"
  11
  12         # make sure we have the encryption type and the psk
  13         [ -n "$enc" ] || {
  14                 config_get enc "$vif" encryption
  15         }
  16         [ -n "$key" ] || {
  17                 config_get key "$vif" key
  18         }
  19
  20         local net_cfg bridge
  21         config_get bridge "$vif" bridge
  22         [ -z "$bridge" ] && {
  23                 net_cfg="$(find_net_config "$vif")"
  24                 [ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
  25                 config_set "$vif" bridge "$bridge"
  26         }
  27
  28         local mode ifname wds modestr=""
  29         config_get mode "$vif" mode
  30         config_get ifname "$vif" ifname
  31         config_get_bool wds "$vif" wds 0
  32         [ -z "$bridge" ] || [ "$mode" = ap ] || [ "$mode" = sta -a $wds -eq 1 ] || {
  33                 echo "wpa_supplicant_setup_vif($ifname): Refusing to bridge $mode mode interface"
  34                 return 1
  35         }
  36         [ "$mode" = "adhoc" ] && {
  37                 modestr="mode=1"
  38                 scan_ssid="0"
  39                 ap_scan="ap_scan=2"
  40         }
  41
  42         key_mgmt='NONE'
  43         case "$enc" in
  44                 *none*) ;;
  45                 *wep*)
  46                         config_get key "$vif" key
  47                         key="${key:-1}"
  48                         case "$key" in
  49                                 [1234])
  50                                         for idx in 1 2 3 4; do
  51                                                 local zidx
  52                                                 zidx=$(($idx - 1))
  53                                                 config_get ckey "$vif" "key${idx}"
  54                                                 [ -n "$ckey" ] && \
  55                                                         append "wep_key${zidx}" "wep_key${zidx}=$(prepare_key_wep "$ckey")"
  56                                         done
  57                                         wep_tx_keyidx="wep_tx_keyidx=$((key - 1))"
  58                                 ;;
  59                                 *)
  60                                         wep_key0="wep_key0=$(prepare_key_wep "$key")"
  61                                         wep_tx_keyidx="wep_tx_keyidx=0"
  62                                 ;;
  63                         esac
  64                 ;;
  65                 *psk*)
  66                         key_mgmt='WPA-PSK'
  67                         # if you want to use PSK with a non-nl80211 driver you
  68                         # have to use WPA-NONE and wext driver for wpa_s
  69                         [ "$mode" = "adhoc" -a "$driver" != "nl80211" ] && {
  70                                 key_mgmt='WPA-NONE'
  71                                 driver='wext'
  72                         }
  73                         if [ ${#key} -eq 64 ]; then
  74                                 passphrase="psk=${key}"
  75                         else
  76                                 passphrase="psk=\"${key}\""
  77                         fi
  78                         case "$enc" in
  79                                 *psk2*)
  80                                         proto='proto=RSN'
  81                                         config_get ieee80211w "$vif" ieee80211w
  82                                 ;;
  83                                 *psk*)
  84                                         proto='proto=WPA'
  85                                 ;;
  86                         esac
  87                 ;;
  88                 *wpa*|*8021x*)
  89                         proto='proto=WPA2'
  90                         key_mgmt='WPA-EAP'
  91                         config_get ieee80211w "$vif" ieee80211w
  92                         config_get ca_cert "$vif" ca_cert
  93                         config_get eap_type "$vif" eap_type
  94                         ca_cert=${ca_cert:+"ca_cert=\"$ca_cert\""}
  95                         case "$eap_type" in
  96                                 tls)
  97                                         pairwise='pairwise=CCMP'
  98                                         group='group=CCMP'
  99                                         config_get identity "$vif" identity
 100                                         config_get client_cert "$vif" client_cert
 101                                         config_get priv_key "$vif" priv_key
 102                                         config_get priv_key_pwd "$vif" priv_key_pwd
 103                                         identity="identity=\"$identity\""
 104                                         client_cert="client_cert=\"$client_cert\""
 105                                         priv_key="private_key=\"$priv_key\""
 106                                         priv_key_pwd="private_key_passwd=\"$priv_key_pwd\""
 107                                 ;;
 108                                 peap|ttls)
 109                                         config_get auth "$vif" auth
 110                                         config_get identity "$vif" identity
 111                                         config_get password "$vif" password
 112                                         phase2="phase2=\"auth=${auth:-MSCHAPV2}\""
 113                                         identity="identity=\"$identity\""
 114                                         password="password=\"$password\""
 115                                 ;;
 116                         esac
 117                         eap_type="eap=$(echo $eap_type | tr 'a-z' 'A-Z')"
 118                 ;;
 119         esac
 120
 121         case "$ieee80211w" in
 122                 [012])
 123                         ieee80211w="ieee80211w=$ieee80211w"
 124                 ;;
 125         esac
 126
 127         local fixed_freq bssid1 beacon_interval brates mrate
 128         config_get ifname "$vif" ifname
 129         config_get bridge "$vif" bridge
 130         bssid1=${bssid:+"bssid=$bssid"}
 131         beacon_interval=${beacon_int:+"beacon_interval=$beacon_int"}
 132
 133         local br brval brsub brstr
 134         [ -n "$basic_rate_list" ] && {
 135                 for br in $basic_rate_list; do
 136                         brval="$(($br / 1000))"
 137                         brsub="$((($br / 100) % 10))"
 138                         [ "$brsub" -gt 0 ] && brval="$brval.$brsub"
 139                         [ -n "$brstr" ] && brstr="$brstr,"
 140                         brstr="$brstr$brval"
 141                 done
 142                 brates=${basic_rate_list:+"rates=$brstr"}
 143         }
 144
 145         local mcval=""
 146         [ -n "$mcast_rate" ] && {
 147                 mcval="$(($mcast_rate / 1000))"
 148                 mcsub="$(( ($mcast_rate / 100) % 10 ))"
 149                 [ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
 150                 mrate=${mcast_rate:+"mcast_rate=$mcval"}
 151         }
 152
 153         local ht_str
 154         [ -n "$ht" ] && ht_str="htmode=$ht"
 155
 156         rm -rf /var/run/wpa_supplicant-$ifname
 157         cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
 158 ctrl_interface=/var/run/wpa_supplicant-$ifname
 159 $ap_scan
 160 network={
 161         $modestr
 162         scan_ssid=$scan_ssid
 163         ssid="$ssid"
 164         $bssid1
 165         key_mgmt=$key_mgmt
 166         $proto
 167         $freq
 168         ${fixed:+"fixed_freq=1"}
 169         $beacon_interval
 170         $brates
 171         $mrate
 172         $ht_str
 173         $ieee80211w
 174         $passphrase
 175         $pairwise
 176         $group
 177         $eap_type
 178         $ca_cert
 179         $client_cert
 180         $priv_key
 181         $priv_key_pwd
 182         $phase2
 183         $identity
 184         $password
 185         $wep_key0
 186         $wep_key1
 187         $wep_key2
 188         $wep_key3
 189         $wep_tx_keyidx
 190 }
 191 EOF
 192         [ -z "$proto" -a "$key_mgmt" != "NONE" ] || \
 193                 wpa_supplicant ${bridge:+ -b $bridge} -B -P "/var/run/wifi-${ifname}.pid" -D ${driver:-wext} -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf $options
 194 }