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_add_basic_rate() {
  10         local var="$1"
  11         local val="$(($2 / 100))"
  12         append $var "$val" " "
  13 }
  14
  15 hostapd_append_wep_key() {
  16         local var="$1"
  17
  18         wep_keyidx=0
  19         set_default key 1
  20         case "$key" in
  21                 [1234])
  22                         for idx in 1 2 3 4; do
  23                                 local zidx
  24                                 zidx=$(($idx - 1))
  25                                 json_get_var ckey "key${idx}"
  26                                 [ -n "$ckey" ] && \
  27                                         append $var "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N$T"
  28                         done
  29                         wep_keyidx=$((key - 1))
  30                 ;;
  31                 *)
  32                         append $var "wep_key0=$(prepare_key_wep "$key")" "$N$T"
  33                 ;;
  34         esac
  35 }
  36
  37 hostapd_add_log_config() {
  38         config_add_boolean \
  39                 log_80211 \
  40                 log_8021x \
  41                 log_radius \
  42                 log_wpa \
  43                 log_driver \
  44                 log_iapp \
  45                 log_mlme
  46
  47         config_add_int log_level
  48 }
  49
  50 hostapd_common_add_device_config() {
  51         config_add_array basic_rate
  52
  53         config_add_string country
  54         config_add_boolean country_ie
  55
  56         hostapd_add_log_config
  57 }
  58
  59 hostapd_prepare_device_config() {
  60         local config="$1"
  61         local driver="$2"
  62
  63         local base="${config%%.conf}"
  64         local base_cfg=
  65
  66         json_get_vars country country_ie beacon_int
  67
  68         hostapd_set_log_options base_cfg
  69
  70         set_default country_ie 1
  71         [ -n "$country" ] && {
  72                 append base_cfg "country_code=$country" "$N"
  73                 [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
  74         }
  75         [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
  76
  77         local brlist= br
  78         json_get_values basic_rate_list basic_rate
  79         for br in $basic_rate_list; do
  80                 hostapd_add_basic_rate brlist "$br"
  81         done
  82         [ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
  83         [ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
  84
  85         cat > "$config" <<EOF
  86 driver=$driver
  87 $base_cfg
  88 EOF
  89 }
  90
  91 hostapd_common_add_bss_config() {
  92         config_add_string 'bssid:macaddr' 'ssid:string'
  93         config_add_boolean wds wmm hidden
  94
  95         config_add_int maxassoc max_inactivity
  96         config_add_boolean disassoc_low_ack isolate short_preamble
  97
  98         config_add_int \
  99                 wep_rekey eap_reauth_period \
 100                 wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 101
 102         config_add_boolean rsn_preauth auth_cache
 103         config_add_int ieee80211w
 104
 105         config_add_string 'auth_server:host' 'server:host'
 106         config_add_string auth_secret
 107         config_add_int 'auth_port:port' 'port:port'
 108
 109         config_add_string acct_server
 110         config_add_string acct_secret
 111         config_add_int acct_port
 112
 113         config_add_string dae_client
 114         config_add_string dae_secret
 115         config_add_int dae_port
 116
 117         config_add_string nasid
 118         config_add_string iapp_interface
 119         config_add_string eap_type ca_cert client_cert identity auth priv_key priv_key_pwd
 120
 121         config_add_string 'key1:wepkey' 'key2:wepkey' 'key3:wepkey' 'key4:wepkey' 'password:wpakey'
 122
 123         config_add_boolean wps_pushbutton wps_label ext_registrar
 124         config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
 125
 126         config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
 127
 128         config_add_string macfilter 'macfile:file'
 129         config_add_array 'maclist:list(macaddr)'
 130
 131         config_add_int mcast_rate
 132         config_add_array basic_rate
 133 }
 134
 135 hostapd_set_bss_options() {
 136         local var="$1"
 137         local phy="$2"
 138         local vif="$3"
 139
 140         wireless_vif_parse_encryption
 141
 142         local bss_conf
 143         local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 144
 145         json_get_vars \
 146                 wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
 147                 maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
 148                 wps_pushbutton wps_label ext_registrar \
 149                 wps_device_type wps_device_name wps_manufacturer wps_pin \
 150                 macfilter ssid wmm hidden short_preamble
 151
 152         set_default isolate 0
 153         set_default maxassoc 0
 154         set_default max_inactivity 0
 155         set_default short_preamble 1
 156         set_default disassoc_low_ack 1
 157         set_default hidden 0
 158         set_default wmm 1
 159
 160         append bss_conf "ctrl_interface=/var/run/hostapd"
 161         if [ "$isolate" -gt 0 ]; then
 162                 append bss_conf "ap_isolate=$isolate" "$N"
 163         fi
 164         if [ "$maxassoc" -gt 0 ]; then
 165                 append bss_conf "max_num_sta=$maxassoc" "$N"
 166         fi
 167         if [ "$max_inactivity" -gt 0 ]; then
 168                 append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
 169         fi
 170
 171         append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
 172         append bss_conf "preamble=$short_preamble" "$N"
 173         append bss_conf "wmm_enabled=$wmm" "$N"
 174         append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
 175
 176         [ "$wpa" -gt 0 ] && {
 177                 [ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
 178                 [ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
 179                 [ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
 180         }
 181
 182         case "$auth_type" in
 183                 none)
 184                         wps_possible=1
 185                         # Here we make the assumption that if we're in open mode
 186                         # with WPS enabled, we got to be in unconfigured state.
 187                         wps_not_configured=1
 188                 ;;
 189                 psk)
 190                         json_get_vars key
 191                         if [ ${#key} -lt 8 ]; then
 192                                 wireless_setup_vif_failed INVALID_WPA_PSK
 193                                 return 1
 194                         elif [ ${#key} -eq 64 ]; then
 195                                 append bss_conf "wpa_psk=$key" "$N"
 196                         else
 197                                 append bss_conf "wpa_passphrase=$key" "$N"
 198                         fi
 199                         wps_possible=1
 200                 ;;
 201                 eap)
 202                         json_get_vars \
 203                                 auth_server auth_secret auth_port \
 204                                 acct_server acct_secret acct_port \
 205                                 dae_client dae_secret dae_port \
 206                                 nasid rsn_preauth iapp_interface \
 207                                 eap_reauth_period
 208
 209                         # legacy compatibility
 210                         [ -n "$auth_server" ] || json_get_var auth_server server
 211                         [ -n "$auth_port" ] || json_get_var auth_port port
 212                         [ -n "$auth_secret" ] || json_get_var auth_secret key
 213
 214                         set_default auth_port 1812
 215                         set_default acct_port 1813
 216                         set_default dae_port 3799
 217
 218                         append bss_conf "auth_server_addr=$auth_server" "$N"
 219                         append bss_conf "auth_server_port=$auth_port" "$N"
 220                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
 221
 222                         [ -n "$acct_server" ] && {
 223                                 append bss_conf "acct_server_addr=$acct_server" "$N"
 224                                 append bss_conf "acct_server_port=$acct_port" "$N"
 225                                 [ -n "$acct_secret" ] && \
 226                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
 227                         }
 228
 229                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
 230
 231                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
 232                                 append bss_conf "radius_das_port=$dae_port" "$N"
 233                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
 234                         }
 235
 236                         append bss_conf "nas_identifier=$nasid" "$N"
 237                         append bss_conf "eapol_key_index_workaround=1" "$N"
 238                         append bss_conf "ieee8021x=1" "$N"
 239                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
 240                 ;;
 241                 wep)
 242                         local wep_keyidx=0
 243                         json_get_vars key
 244                         hostapd_append_wep_key bss_conf
 245                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
 246                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
 247                 ;;
 248         esac
 249
 250         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
 251         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
 252         append bss_conf "wpa=$wpa" "$N"
 253         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
 254
 255         set_default wps_pushbutton 0
 256         set_default wps_label 0
 257
 258         config_methods=
 259         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
 260         [ "$wps_label" -gt 0 ] && append config_methods label
 261
 262         [ -n "$wps_possible" -a -n "$config_methods" ] && {
 263                 set_default ext_registrar 0
 264                 set_default wps_device_type "6-0050F204-1"
 265                 set_default wps_device_name "OpenWrt AP"
 266                 set_default wps_manufacturer "openwrt.org"
 267                 set_default wps_pin "12345670"
 268
 269                 wps_state=2
 270                 [ -n "$wps_configured" ] && wps_state=1
 271
 272                 [ "$ext_registrar" -gt 0 -a -n "$bridge" ] && append bss_conf "upnp_iface=$bridge" "$N"
 273
 274                 append bss_conf "eap_server=1" "$N"
 275                 append bss_conf "ap_pin=$wps_pin" "$N"
 276                 append bss_conf "wps_state=$wps_state" "$N"
 277                 append bss_conf "ap_setup_locked=0" "$N"
 278                 append bss_conf "device_type=$wps_device_type" "$N"
 279                 append bss_conf "device_name=$wps_device_name" "$N"
 280                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
 281                 append bss_conf "config_methods=$config_methods" "$N"
 282         }
 283
 284         append bss_conf "ssid=$ssid" "$N"
 285         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
 286         [ -n "$iapp_interface" ] &&  {
 287                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
 288                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
 289         }
 290
 291         if [ "$wpa" -ge "2" ]; then
 292                 if [ -n "$bridge" -a "$rsn_preauth" = 1 ]; then
 293                         set_default auth_cache 1
 294                         append bss_conf "rsn_preauth=1" "$N"
 295                         append bss_conf "rsn_preauth_interfaces=$bridge" "$N"
 296                 else
 297                         set_default auth_cache 0
 298                 fi
 299
 300                 append bss_conf "okc=$auth_cache" "$N"
 301                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
 302
 303                 # RSN -> allow management frame protection
 304                 json_get_var ieee80211w ieee80211w
 305                 case "$ieee80211w" in
 306                         [012])
 307                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
 308                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
 309                                 [ "$ieee80211w" -gt "0" ] && {
 310                                         [ -n "$ieee80211w_max_timeout" ] && \
 311                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
 312                                         [ -n "$ieee80211w_retry_timeout" ] && \
 313                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
 314                                 }
 315                         ;;
 316                 esac
 317         fi
 318
 319         _macfile="/var/run/hostapd-$ifname.maclist"
 320         case "$macfilter" in
 321                 allow)
 322                         append bss_conf "macaddr_acl=1" "$N"
 323                         append bss_conf "accept_mac_file=$_macfile" "$N"
 324                 ;;
 325                 deny)
 326                         append bss_conf "macaddr_acl=0" "$N"
 327                         append bss_conf "deny_mac_file=$_macfile" "$N"
 328                 ;;
 329                 *)
 330                         _macfile=""
 331                 ;;
 332         esac
 333
 334         [ -n "$_macfile" ] && {
 335                 json_get_vars macfile
 336                 json_get_values maclist maclist
 337
 338                 rm -f "$_macfile"
 339                 (
 340                         for mac in $maclist; do
 341                                 echo "$mac"
 342                         done
 343                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
 344                 ) > "$_macfile"
 345         }
 346
 347         append "$var" "$bss_conf" "$N"
 348         return 0
 349 }
 350
 351 hostapd_set_log_options() {
 352         local var="$1"
 353
 354         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 355         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 356
 357         set_default log_level 2
 358         set_default log_80211  1
 359         set_default log_8021x  1
 360         set_default log_radius 1
 361         set_default log_wpa    1
 362         set_default log_driver 1
 363         set_default log_iapp   1
 364         set_default log_mlme   1
 365
 366         local log_mask=$((       \
 367                 ($log_80211  << 0) | \
 368                 ($log_8021x  << 1) | \
 369                 ($log_radius << 2) | \
 370                 ($log_wpa    << 3) | \
 371                 ($log_driver << 4) | \
 372                 ($log_iapp   << 5) | \
 373                 ($log_mlme   << 6)   \
 374         ))
 375
 376         append "$var" "logger_syslog=$log_mask" "$N"
 377         append "$var" "logger_syslog_level=$log_level" "$N"
 378         append "$var" "logger_stdout=$log_mask" "$N"
 379         append "$var" "logger_stdout_level=$log_level" "$N"
 380
 381         return 0
 382 }
 383
 384 _wpa_supplicant_common() {
 385         local ifname="$1"
 386
 387         _rpath="/var/run/wpa_supplicant"
 388         _config="${_rpath}-$ifname.conf"
 389 }
 390
 391 wpa_supplicant_teardown_interface() {
 392         _wpa_supplicant_common "$1"
 393         rm -rf "$_rpath" "$_config"
 394 }
 395
 396 wpa_supplicant_prepare_interface() {
 397         local ifname="$1"
 398         _w_driver="$2"
 399
 400         _wpa_supplicant_common "$1"
 401
 402         json_get_vars mode wds
 403
 404         [ -n "$network_bridge" ] && {
 405                 fail=
 406                 case "$mode" in
 407                         adhoc)
 408                                 fail=1
 409                         ;;
 410                         sta)
 411                                 [ "$wds" = 1 ] || fail=1
 412                         ;;
 413                 esac
 414
 415                 [ -n "$fail" ] && {
 416                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
 417                         return 1
 418                 }
 419         }
 420
 421         local ap_scan=
 422
 423         _w_mode="$mode"
 424         _w_modestr=
 425
 426         [[ "$mode" = adhoc ]] && {
 427                 ap_scan="ap_scan=2"
 428
 429                 _w_modestr="mode=1"
 430         }
 431
 432         wpa_supplicant_teardown_interface "$ifname"
 433         cat > "$_config" <<EOF
 434 $ap_scan
 435 EOF
 436         return 0
 437 }
 438
 439 wpa_supplicant_add_network() {
 440         local ifname="$1"
 441
 442         _wpa_supplicant_common "$1"
 443         wireless_vif_parse_encryption
 444
 445         json_get_vars \
 446                 ssid bssid key \
 447                 basic_rate mcast_rate \
 448                 ieee80211w
 449
 450         local key_mgmt='NONE'
 451         local enc_str=
 452         local network_data=
 453         local T="       "
 454
 455         local wpa_key_mgmt="WPA-PSK"
 456         local scan_ssid="1"
 457         local freq
 458
 459         [[ "$_w_mode" = "adhoc" ]] && {
 460                 append network_data "mode=1" "$N$T"
 461                 [ -n "$channel" ] && {
 462                         freq="$(get_freq "$phy" "$channel")"
 463                         append network_data "fixed_freq=1" "$N$T"
 464                         append network_data "frequency=$freq" "$N$T"
 465                 }
 466
 467                 scan_ssid=0
 468
 469                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
 470         }
 471
 472         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
 473
 474         case "$auth_type" in
 475                 none) ;;
 476                 wep)
 477                         local wep_keyidx=0
 478                         hostapd_append_wep_key network_data
 479                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
 480                 ;;
 481                 psk)
 482                         local passphrase
 483
 484                         key_mgmt="$wpa_key_mgmt"
 485                         if [ ${#key} -eq 64 ]; then
 486                                 passphrase="psk=${key}"
 487                         else
 488                                 passphrase="psk=\"${key}\""
 489                         fi
 490                         append network_data "$passphrase" "$N$T"
 491                 ;;
 492                 eap)
 493                         key_mgmt='WPA-EAP'
 494
 495                         json_get_vars eap_type identity ca_cert
 496                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
 497                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
 498                         case "$eap_type" in
 499                                 tls)
 500                                         json_get_vars client_cert priv_key priv_key_pwd
 501                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
 502                                         append network_data "private_key=\"$priv_key\"" "$N$T"
 503                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
 504                                 ;;
 505                                 peap|ttls)
 506                                         json_get_vars auth password
 507                                         set_default auth MSCHAPV2
 508                                         append network_data "phase2=\"$auth\"" "$N$T"
 509                                         append network_data "password=\"$password\"" "$N$T"
 510                                 ;;
 511                         esac
 512                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
 513                 ;;
 514         esac
 515
 516         case "$wpa" in
 517                 1)
 518                         append network_data "proto=WPA" "$N$T"
 519                 ;;
 520                 2)
 521                         append network_data "proto=RSN" "$N$T"
 522                 ;;
 523         esac
 524
 525         case "$ieee80211w" in
 526                 [012])
 527                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
 528                 ;;
 529         esac
 530
 531         local beacon_int brates mrate
 532         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
 533         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
 534
 535
 536         [ -n "$basic_rate" ] && {
 537                 local br rate_list=
 538                 for br in $basic_rate; do
 539                         hostapd_add_rate rate_list "$br"
 540                 done
 541                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
 542         }
 543
 544         [ -n "$mcast_rate" ] && {
 545                 local mc_rate=
 546                 hostapd_add_rate mc_rate "$mcast_rate"
 547                 append network_data "mcast_rate=$mc_rate" "$N$T"
 548         }
 549
 550         local ht_str
 551         [ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
 552
 553         cat >> "$_config" <<EOF
 554 network={
 555         scan_ssid=$scan_ssid
 556         ssid="$ssid"
 557         key_mgmt=$key_mgmt
 558         $network_data
 559 }
 560 EOF
 561         return 0
 562 }
 563
 564 wpa_supplicant_run() {
 565         local ifname="$1"; shift
 566
 567         _wpa_supplicant_common "$ifname"
 568
 569         /usr/sbin/wpa_supplicant -B \
 570                 ${network_bridge:+-b $network_bridge} \
 571                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
 572                 -D ${_w_driver:-wext} \
 573                 -i "$ifname" \
 574                 -c "$_config" \
 575                 -C "$_rpath" \
 576                 "$@"
 577
 578         ret="$?"
 579         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
 580
 581         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 582
 583         return $ret
 584 }
 585
 586 hostapd_common_cleanup() {
 587         killall hostapd wpa_supplicant
 588 }