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