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         [ -n "$4" ] && freq="frequency=$4"
   8
   9         # wpa_supplicant should use wext for mac80211 cards
  10         [ "$driver" = "mac80211" ] && driver='wext'
  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" ] && modestr="mode=1"
  37
  38         case "$enc" in
  39                 *none*)
  40                         key_mgmt='NONE'
  41                 ;;
  42                 *wep*)
  43                         key_mgmt='NONE'
  44                         config_get key "$vif" key
  45                         key="${key:-1}"
  46                         case "$key" in
  47                                 [1234])
  48                                         for idx in 1 2 3 4; do
  49                                                 local zidx
  50                                                 zidx=$(($idx - 1))
  51                                                 config_get ckey "$vif" "key${idx}"
  52                                                 [ -n "$ckey" ] && \
  53                                                         append "wep_key${zidx}" "wep_key${zidx}=$(prepare_key_wep "$ckey")"
  54                                         done
  55                                         wep_tx_keyidx="wep_tx_keyidx=$((key - 1))"
  56                                 ;;
  57                                 *)
  58                                         wep_key0="wep_key0=$(prepare_key_wep "$key")"
  59                                         wep_tx_keyidx="wep_tx_keyidx=0"
  60                                 ;;
  61                         esac
  62                 ;;
  63                 *psk*)
  64                         key_mgmt='WPA-PSK'
  65                         [ "$mode" = "adhoc" -a "$driver" != "nl80211" ] && key_mgmt='WPA-NONE'
  66                         config_get_bool usepassphrase "$vif" usepassphrase 1
  67                         if [ "$usepassphrase" = "1" ]; then
  68                                 passphrase="psk=\"${key}\""
  69                         else
  70                                 passphrase="psk=${key}"
  71                         fi
  72                         case "$enc" in
  73                                 *psk2*)
  74                                         proto='proto=RSN'
  75                                         config_get ieee80211w "$vif" ieee80211w
  76                                 ;;
  77                                 *psk*)
  78                                         proto='proto=WPA'
  79                                 ;;
  80                         esac
  81                 ;;
  82                 *wpa*|*8021x*)
  83                         proto='proto=WPA2'
  84                         key_mgmt='WPA-EAP'
  85                         config_get ieee80211w "$vif" ieee80211w
  86                         config_get ca_cert "$vif" ca_cert
  87                         config_get eap_type "$vif" eap_type
  88                         ca_cert=${ca_cert:+"ca_cert=\"$ca_cert\""}
  89                         case "$eap_type" in
  90                                 tls)
  91                                         pairwise='pairwise=CCMP'
  92                                         group='group=CCMP'
  93                                         config_get identity "$vif" identity
  94                                         config_get client_cert "$vif" client_cert
  95                                         config_get priv_key "$vif" priv_key
  96                                         config_get priv_key_pwd "$vif" priv_key_pwd
  97                                         identity="identity=\"$identity\""
  98                                         client_cert="client_cert=\"$client_cert\""
  99                                         priv_key="private_key=\"$priv_key\""
 100                                         priv_key_pwd="private_key_passwd=\"$priv_key_pwd\""
 101                                 ;;
 102                                 peap|ttls)
 103                                         config_get auth "$vif" auth
 104                                         config_get identity "$vif" identity
 105                                         config_get password "$vif" password
 106                                         phase2="phase2=\"auth=${auth:-MSCHAPV2}\""
 107                                         identity="identity=\"$identity\""
 108                                         password="password=\"$password\""
 109                                 ;;
 110                         esac
 111                         eap_type="eap=$(echo $eap_type | tr 'a-z' 'A-Z')"
 112                 ;;
 113         esac
 114
 115         case "$ieee80211w" in
 116                 [012])
 117                         ieee80211w="ieee80211w=$ieee80211w"
 118                 ;;
 119         esac
 120
 121         config_get ifname "$vif" ifname
 122         config_get bridge "$vif" bridge
 123         config_get ssid "$vif" ssid
 124         config_get bssid "$vif" bssid
 125         bssid=${bssid:+"bssid=$bssid"}
 126         rm -rf /var/run/wpa_supplicant-$ifname
 127         cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
 128 ctrl_interface=/var/run/wpa_supplicant-$ifname
 129 network={
 130         $modestr
 131         scan_ssid=1
 132         ssid="$ssid"
 133         $bssid
 134         key_mgmt=$key_mgmt
 135         $proto
 136         $freq
 137         $ieee80211w
 138         $passphrase
 139         $pairwise
 140         $group
 141         $eap_type
 142         $ca_cert
 143         $client_cert
 144         $priv_key
 145         $priv_key_pwd
 146         $phase2
 147         $identity
 148         $password
 149         $wep_key0
 150         $wep_key1
 151         $wep_key2
 152         $wep_key3
 153         $wep_tx_keyidx
 154 }
 155 EOF
 156         [ -z "$proto" -a "$key_mgmt" != "NONE" ] || \
 157                 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
 158 }