package/network/services/hostapd/files/netifd.sh

   1 hostapd_add_rate() {
   2         local var="$1"
   3         local val="$(($2 / 1000))"
   4         local sub="$((($2 / 100) % 10))"
   5         append $var "$val" ","
   6         [ $sub -gt 0 ] && append $var "."
   7 }
   8
   9 hostapd_append_wep_key() {
  10         local var="$1"
  11
  12         wep_keyidx=0
  13         set_default key 1
  14         case "$key" in
  15                 [1234])
  16                         for idx in 1 2 3 4; do
  17                                 local zidx
  18                                 zidx=$(($idx - 1))
  19                                 json_get_var ckey "key${idx}"
  20                                 [ -n "$ckey" ] && \
  21                                         append $var "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N$T"
  22                         done
  23                         wep_keyidx=$((key - 1))
  24                 ;;
  25                 *)
  26                         append $var "wep_key0=$(prepare_key_wep "$key")" "$N$T"
  27                 ;;
  28         esac
  29 }
  30
  31 hostapd_add_log_config() {
  32         config_add_boolean \
  33                 log_80211 \
  34                 log_8021x \
  35                 log_radius \
  36                 log_wpa \
  37                 log_driver \
  38                 log_iapp \
  39                 log_mlme
  40
  41         config_add_int log_level
  42 }
  43
  44 hostapd_common_add_device_config() {
  45         config_add_array basic_rate
  46
  47         config_add_string country
  48         config_add_boolean country_ie
  49
  50         hostapd_add_log_config
  51 }
  52
  53 hostapd_prepare_device_config() {
  54         local config="$1"
  55         local driver="$2"
  56
  57         local base="${config%%.conf}"
  58         local base_cfg=
  59
  60         json_get_vars country country_ie beacon_int basic_rate
  61
  62         hostapd_set_log_options base_cfg
  63
  64         set_default country_ie 1
  65         [ -n "$country" ] && {
  66                 append base_cfg "country_code=$country" "$N"
  67                 [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
  68         }
  69         [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
  70
  71         local brlist= br
  72         for br in $basic_rate_list; do
  73                 hostapd_add_rate brlist "$br"
  74         done
  75         [ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
  76         [ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
  77
  78         cat > "$config" <<EOF
  79 driver=$driver
  80 $base_cfg
  81 EOF
  82 }
  83
  84 hostapd_common_add_bss_config() {
  85         config_add_string bssid ssid
  86         config_add_boolean wds wmm hidden
  87
  88         config_add_int maxassoc max_inactivity
  89         config_add_boolean disassoc_low_ack isolate short_preamble
  90
  91         config_add_int \
  92                 wep_rekey eap_reauth_period \
  93                 wpa_group_rekey wpa_pair_rekey wpa_master_rekey
  94
  95         config_add_boolean rsn_preauth auth_cache
  96         config_add_int ieee80211w
  97
  98         config_add_string auth_server server
  99         config_add_string auth_secret
 100         config_add_int auth_port port
 101
 102         config_add_string acct_server
 103         config_add_string acct_secret
 104         config_add_int acct_port
 105
 106         config_add_string dae_client
 107         config_add_string dae_secret
 108         config_add_int dae_port
 109
 110         config_add_string nasid
 111         config_add_string iapp_interface
 112         config_add_string eap_type ca_cert client_cert identity auth priv_key priv_key_pwd
 113
 114         config_add_string key1 key2 key3 key4 password
 115
 116         config_add_boolean wps_pushbutton wps_label ext_registrar
 117         config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
 118
 119         config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
 120
 121         config_add_string macfilter macfile
 122         config_add_array maclist
 123
 124         config_add_int mcast_rate
 125         config_add_array basic_rate
 126 }
 127
 128 hostapd_set_bss_options() {
 129         local var="$1"
 130         local phy="$2"
 131         local vif="$3"
 132
 133         wireless_vif_parse_encryption
 134
 135         local bss_conf
 136         local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 137
 138         json_get_vars \
 139                 wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
 140                 maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
 141                 wps_pushbutton wps_label ext_registrar \
 142                 wps_device_type wps_device_name wps_manufacturer wps_pin \
 143                 macfilter ssid wmm hidden short_preamble
 144
 145         set_default isolate 0
 146         set_default maxassoc 0
 147         set_default max_inactivity 0
 148         set_default short_preamble 1
 149         set_default disassoc_low_ack 1
 150         set_default hidden 0
 151         set_default wmm 1
 152
 153         append bss_conf "ctrl_interface=/var/run/hostapd"
 154         if [ "$isolate" -gt 0 ]; then
 155                 append bss_conf "ap_isolate=$isolate" "$N"
 156         fi
 157         if [ "$maxassoc" -gt 0 ]; then
 158                 append bss_conf "max_num_sta=$maxassoc" "$N"
 159         fi
 160         if [ "$max_inactivity" -gt 0 ]; then
 161                 append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
 162         fi
 163
 164         append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
 165         append bss_conf "preamble=$short_preamble" "$N"
 166         append bss_conf "wmm_enabled=$wmm" "$N"
 167         append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
 168
 169         [ "$wpa" -gt 0 ] && {
 170                 [ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
 171                 [ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
 172                 [ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
 173         }
 174
 175         case "$auth_type" in
 176                 none)
 177                         wps_possible=1
 178                         # Here we make the assumption that if we're in open mode
 179                         # with WPS enabled, we got to be in unconfigured state.
 180                         wps_not_configured=1
 181                 ;;
 182                 psk)
 183                         json_get_vars key
 184                         if [ ${#key} -lt 8 ]; then
 185                                 wireless_setup_vif_failed INVALID_WPA_PSK
 186                                 return 1
 187                         elif [ ${#key} -eq 64 ]; then
 188                                 append bss_conf "wpa_psk=$key" "$N"
 189                         else
 190                                 append bss_conf "wpa_passphrase=$key" "$N"
 191                         fi
 192                         wps_possible=1
 193                 ;;
 194                 eap)
 195                         json_get_vars \
 196                                 auth_server auth_secret auth_port \
 197                                 acct_server acct_secret acct_port \
 198                                 dae_client dae_secret dae_port \
 199                                 nasid rsn_preauth iapp_interface \
 200                                 eap_reauth_period
 201
 202                         # legacy compatibility
 203                         [ -n "$auth_server" ] || json_get_var auth_server server
 204                         [ -n "$auth_port" ] || json_get_var auth_port port
 205                         [ -n "$auth_secret" ] || json_get_var auth_secret key
 206
 207                         set_default auth_port 1812
 208                         set_default acct_port 1813
 209                         set_default dae_port 3799
 210
 211                         append bss_conf "auth_server_addr=$auth_server" "$N"
 212                         append bss_conf "auth_server_port=$auth_port" "$N"
 213                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
 214
 215                         [ -n "$acct_server" ] && {
 216                                 append bss_conf "acct_server_addr=$acct_server" "$N"
 217                                 append bss_conf "acct_server_port=$acct_port" "$N"
 218                                 [ -n "$acct_secret" ] && \
 219                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
 220                         }
 221
 222                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
 223
 224                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
 225                                 append bss_conf "radius_das_port=$dae_port" "$N"
 226                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
 227                         }
 228
 229                         append bss_conf "nas_identifier=$nasid" "$N"
 230                         append bss_conf "eapol_key_index_workaround=1" "$N"
 231                         append bss_conf "ieee8021x=1" "$N"
 232                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
 233                 ;;
 234                 wep)
 235                         local wep_keyidx=0
 236                         hostapd_append_wep_key bss_conf
 237                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
 238                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
 239                 ;;
 240         esac
 241
 242         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
 243         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
 244         append bss_conf "wpa=$wpa" "$N"
 245         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
 246
 247         set_default wps_pushbutton 0
 248         set_default wps_label 0
 249
 250         config_methods=
 251         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
 252         [ "$wps_label" -gt 0 ] && append config_methods label
 253
 254         [ -n "$wps_possible" -a -n "$config_methods" ] && {
 255                 set_default ext_registrar 0
 256                 set_default wps_device_type "6-0050F204-1"
 257                 set_default wps_device_name "OpenWrt AP"
 258                 set_default wps_manufacturer "openwrt.org"
 259                 set_default wps_pin "12345670"
 260
 261                 wps_state=2
 262                 [ -n "$wps_configured" ] && wps_state=1
 263
 264                 [ "$ext_registrar" -gt 0 -a -n "$bridge" ] && append bss_conf "upnp_iface=$bridge" "$N"
 265
 266                 append bss_conf "eap_server=1" "$N"
 267                 append bss_conf "ap_pin=$wps_pin" "$N"
 268                 append bss_conf "wps_state=$wps_state" "$N"
 269                 append bss_conf "ap_setup_locked=0" "$N"
 270                 append bss_conf "device_type=$wps_device_type" "$N"
 271                 append bss_conf "device_name=$wps_device_name" "$N"
 272                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
 273                 append bss_conf "config_methods=$config_methods" "$N"
 274         }
 275
 276         append bss_conf "ssid=$ssid" "$N"
 277         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
 278         [ -n "$iapp_interface" ] &&  {
 279                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
 280                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
 281         }
 282
 283         if [ "$wpa" -ge "2" ]; then
 284                 if [ -n "$bridge" -a "$rsn_preauth" = 1 ]; then
 285                         set_default auth_cache 1
 286                         append bss_conf "rsn_preauth=1" "$N"
 287                         append bss_conf "rsn_preauth_interfaces=$bridge" "$N"
 288                 else
 289                         set_default auth_cache 0
 290                 fi
 291
 292                 append bss_conf "okc=$auth_cache" "$N"
 293                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
 294
 295                 # RSN -> allow management frame protection
 296                 json_get_var ieee80211w
 297                 case "$ieee80211w" in
 298                         [012])
 299                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
 300                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
 301                                 [ "$ieee80211w" -gt "0" ] && {
 302                                         [ -n "$ieee80211w_max_timeout" ] && \
 303                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
 304                                         [ -n "$ieee80211w_retry_timeout" ] && \
 305                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
 306                                 }
 307                         ;;
 308                 esac
 309         fi
 310
 311         _macfile="/var/run/hostapd-$ifname.maclist"
 312         case "$macfilter" in
 313                 allow)
 314                         append bss_conf "macaddr_acl=1" "$N"
 315                         append bss_conf "accept_mac_file=$_macfile" "$N"
 316                 ;;
 317                 deny)
 318                         append bss_conf "macaddr_acl=0" "$N"
 319                         append bss_conf "deny_mac_file=$_macfile" "$N"
 320                 ;;
 321                 *)
 322                         _macfile=""
 323                 ;;
 324         esac
 325
 326         [ -n "$_macfile" ] && {
 327                 json_get_vars macfile
 328                 json_get_values maclist maclist
 329
 330                 rm -f "$_macfile"
 331                 (
 332                         for mac in $maclist; do
 333                                 echo "$mac"
 334                         done
 335                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
 336                 ) > "$_macfile"
 337         }
 338
 339         append "$var" "$bss_conf" "$N"
 340         return 0
 341 }
 342
 343 hostapd_set_log_options() {
 344         local var="$1"
 345
 346         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 347         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 348
 349         set_default log_level 2
 350         set_default log_80211  1
 351         set_default log_8021x  1
 352         set_default log_radius 1
 353         set_default log_wpa    1
 354         set_default log_driver 1
 355         set_default log_iapp   1
 356         set_default log_mlme   1
 357
 358         local log_mask=$((       \
 359                 ($log_80211  << 0) | \
 360                 ($log_8021x  << 1) | \
 361                 ($log_radius << 2) | \
 362                 ($log_wpa    << 3) | \
 363                 ($log_driver << 4) | \
 364                 ($log_iapp   << 5) | \
 365                 ($log_mlme   << 6)   \
 366         ))
 367
 368         append "$var" "logger_syslog=$log_mask" "$N"
 369         append "$var" "logger_syslog_level=$log_level" "$N"
 370         append "$var" "logger_stdout=$log_mask" "$N"
 371         append "$var" "logger_stdout_level=$log_level" "$N"
 372
 373         return 0
 374 }
 375
 376 _wpa_supplicant_common() {
 377         local ifname="$1"
 378
 379         _rpath="/var/run/wpa_supplicant"
 380         _config="${_rpath}-$ifname.conf"
 381 }
 382
 383 wpa_supplicant_teardown_interface() {
 384         _wpa_supplicant_common "$1"
 385         rm -rf "$_rpath" "$_config"
 386 }
 387
 388 wpa_supplicant_prepare_interface() {
 389         local ifname="$1"
 390         _w_driver="$2"
 391
 392         _wpa_supplicant_common "$1"
 393
 394         json_get_vars mode wds
 395
 396         [ -n "$network_bridge" ] && {
 397                 fail=
 398                 case "$mode" in
 399                         adhoc)
 400                                 fail=1
 401                         ;;
 402                         sta)
 403                                 [ "$wds" = 1 ] || fail=1
 404                         ;;
 405                 esac
 406
 407                 [ -n "$fail" ] && {
 408                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
 409                         return 1
 410                 }
 411         }
 412
 413         local ap_scan=
 414
 415         _w_mode="$mode"
 416         _w_modestr=
 417
 418         [[ "$mode" = adhoc ]] && {
 419                 ap_scan="ap_scan=2"
 420
 421                 _w_modestr="mode=1"
 422         }
 423
 424         wpa_supplicant_teardown_interface "$ifname"
 425         cat > "$_config" <<EOF
 426 $ap_scan
 427 EOF
 428         return 0
 429 }
 430
 431 wpa_supplicant_add_network() {
 432         local ifname="$1"
 433
 434         _wpa_supplicant_common "$1"
 435         wireless_vif_parse_encryption
 436
 437         json_get_vars \
 438                 ssid bssid key \
 439                 basic_rate mcast_rate \
 440                 ieee80211w
 441
 442         local key_mgmt='NONE'
 443         local enc_str=
 444         local network_data=
 445         local T="       "
 446
 447         local wpa_key_mgmt="WPA-PSK"
 448         local scan_ssid="1"
 449
 450         [[ "$_w_mode" = "adhoc" ]] && {
 451                 append network_data "mode=1" "$N$T"
 452                 [ -n "$fixed_frequency" ] || {
 453                         append network_data "fixed_freq=1" "$N$T"
 454                         append network_data "frequency=$fixed_frequency" "$N$T"
 455                 }
 456
 457                 scan_ssid=0
 458
 459                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
 460         }
 461
 462         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
 463
 464         case "$auth_type" in
 465                 none) ;;
 466                 wep)
 467                         local wep_keyidx=0
 468                         hostapd_append_wep_key network_data
 469                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
 470                 ;;
 471                 psk)
 472                         local passphrase
 473
 474                         key_mgmt="$wpa_key_mgmt"
 475                         if [ ${#key} -eq 64 ]; then
 476                                 passphrase="psk=${key}"
 477                         else
 478                                 passphrase="psk=\"${key}\""
 479                         fi
 480                         append network_data "$passphrase" "$N$T"
 481                 ;;
 482                 eap)
 483                         key_mgmt='WPA-EAP'
 484
 485                         json_get_vars eap_type identity ca_cert
 486                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
 487                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
 488                         case "$eap_type" in
 489                                 tls)
 490                                         json_get_vars client_cert priv_key priv_key_pwd
 491                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
 492                                         append network_data "private_key=\"$priv_key\"" "$N$T"
 493                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
 494                                 ;;
 495                                 peap|ttls)
 496                                         json_get_vars auth password
 497                                         set_default auth MSCHAPV2
 498                                         append network_data "phase2=\"$auth\"" "$N$T"
 499                                         append network_data "password=\"$password\"" "$N$T"
 500                                 ;;
 501                         esac
 502                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
 503                 ;;
 504         esac
 505
 506         case "$wpa" in
 507                 1)
 508                         append network_data "proto=WPA" "$N$T"
 509                 ;;
 510                 2)
 511                         append network_data "proto=RSN" "$N$T"
 512                 ;;
 513         esac
 514
 515         case "$ieee80211w" in
 516                 [012])
 517                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
 518                 ;;
 519         esac
 520
 521         local beacon_int brates mrate
 522         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
 523         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
 524
 525
 526         [ -n "$basic_rate" ] && {
 527                 local br rate_list=
 528                 for br in $basic_rate; do
 529                         hostapd_add_rate rate_list "$br"
 530                 done
 531                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
 532         }
 533
 534         [ -n "$mcast_rate" ] && {
 535                 local mc_rate=
 536                 hostapd_add_rate mc_rate "$mcast_rate"
 537                 [ -n "$mcast_rate" ] && append network_data "mcast_rate=$mcast_rate" "$N$T"
 538         }
 539
 540         local ht_str
 541         [ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
 542
 543         cat >> "$_config" <<EOF
 544 network={
 545         scan_ssid=$scan_ssid
 546         ssid="$ssid"
 547         key_mgmt=$key_mgmt
 548         $network_data
 549 }
 550 EOF
 551         return 0
 552 }
 553
 554 wpa_supplicant_run() {
 555         local ifname="$1"; shift
 556
 557         _wpa_supplicant_common "$ifname"
 558
 559         /usr/sbin/wpa_supplicant -B \
 560                 ${network_bridge:+-b $network_bridge} \
 561                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
 562                 -D ${_w_driver:-wext} \
 563                 -i "$ifname" \
 564                 -c "$_config" \
 565                 -C "$_rpath" \
 566                 "$@"
 567
 568         ret="$?"
 569         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
 570
 571         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 572
 573         return $ret
 574 }
 575
 576 hostapd_common_cleanup() {
 577         killall hostapd wpa_supplicant
 578 }