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 doth
  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 doth
  67
  68         hostapd_set_log_options base_cfg
  69
  70         set_default country_ie 1
  71         set_default doth 1
  72
  73         [ -n "$country" ] && {
  74                 append base_cfg "country_code=$country" "$N"
  75
  76                 [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
  77                 [ "$hwmode" = "a" -a "$doth" -gt 0 ] && append base_cfg "ieee80211h=1" "$N"
  78         }
  79         [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
  80
  81         local brlist= br
  82         json_get_values basic_rate_list basic_rate
  83         for br in $basic_rate_list; do
  84                 hostapd_add_basic_rate brlist "$br"
  85         done
  86         [ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
  87         [ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
  88
  89         cat > "$config" <<EOF
  90 driver=$driver
  91 $base_cfg
  92 EOF
  93 }
  94
  95 hostapd_common_add_bss_config() {
  96         config_add_string 'bssid:macaddr' 'ssid:string'
  97         config_add_boolean wds wmm hidden
  98
  99         config_add_int maxassoc max_inactivity
 100         config_add_boolean disassoc_low_ack isolate short_preamble
 101
 102         config_add_int \
 103                 wep_rekey eap_reauth_period \
 104                 wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 105
 106         config_add_boolean rsn_preauth auth_cache
 107         config_add_int ieee80211w
 108
 109         config_add_string 'auth_server:host' 'server:host'
 110         config_add_string auth_secret
 111         config_add_int 'auth_port:port' 'port:port'
 112
 113         config_add_string acct_server
 114         config_add_string acct_secret
 115         config_add_int acct_port
 116
 117         config_add_string dae_client
 118         config_add_string dae_secret
 119         config_add_int dae_port
 120
 121         config_add_string nasid
 122         config_add_string iapp_interface
 123         config_add_string eap_type ca_cert client_cert identity auth priv_key priv_key_pwd
 124
 125         config_add_string 'key1:wepkey' 'key2:wepkey' 'key3:wepkey' 'key4:wepkey' 'password:wpakey'
 126
 127         config_add_boolean wps_pushbutton wps_label ext_registrar wps_pbc_in_m1
 128         config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
 129
 130         config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
 131
 132         config_add_string macfilter 'macfile:file'
 133         config_add_array 'maclist:list(macaddr)'
 134
 135         config_add_int mcast_rate
 136         config_add_array basic_rate
 137 }
 138
 139 hostapd_set_bss_options() {
 140         local var="$1"
 141         local phy="$2"
 142         local vif="$3"
 143
 144         wireless_vif_parse_encryption
 145
 146         local bss_conf
 147         local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 148
 149         json_get_vars \
 150                 wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
 151                 maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
 152                 wps_pushbutton wps_label ext_registrar wps_pbc_in_m1 \
 153                 wps_device_type wps_device_name wps_manufacturer wps_pin \
 154                 macfilter ssid wmm hidden short_preamble
 155
 156         set_default isolate 0
 157         set_default maxassoc 0
 158         set_default max_inactivity 0
 159         set_default short_preamble 1
 160         set_default disassoc_low_ack 1
 161         set_default hidden 0
 162         set_default wmm 1
 163
 164         append bss_conf "ctrl_interface=/var/run/hostapd"
 165         if [ "$isolate" -gt 0 ]; then
 166                 append bss_conf "ap_isolate=$isolate" "$N"
 167         fi
 168         if [ "$maxassoc" -gt 0 ]; then
 169                 append bss_conf "max_num_sta=$maxassoc" "$N"
 170         fi
 171         if [ "$max_inactivity" -gt 0 ]; then
 172                 append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
 173         fi
 174
 175         append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
 176         append bss_conf "preamble=$short_preamble" "$N"
 177         append bss_conf "wmm_enabled=$wmm" "$N"
 178         append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
 179
 180         [ "$wpa" -gt 0 ] && {
 181                 [ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
 182                 [ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
 183                 [ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
 184         }
 185
 186         case "$auth_type" in
 187                 none)
 188                         wps_possible=1
 189                         # Here we make the assumption that if we're in open mode
 190                         # with WPS enabled, we got to be in unconfigured state.
 191                         wps_not_configured=1
 192                 ;;
 193                 psk)
 194                         json_get_vars key
 195                         if [ ${#key} -lt 8 ]; then
 196                                 wireless_setup_vif_failed INVALID_WPA_PSK
 197                                 return 1
 198                         elif [ ${#key} -eq 64 ]; then
 199                                 append bss_conf "wpa_psk=$key" "$N"
 200                         else
 201                                 append bss_conf "wpa_passphrase=$key" "$N"
 202                         fi
 203                         wps_possible=1
 204                 ;;
 205                 eap)
 206                         json_get_vars \
 207                                 auth_server auth_secret auth_port \
 208                                 acct_server acct_secret acct_port \
 209                                 dae_client dae_secret dae_port \
 210                                 nasid rsn_preauth iapp_interface \
 211                                 eap_reauth_period
 212
 213                         # legacy compatibility
 214                         [ -n "$auth_server" ] || json_get_var auth_server server
 215                         [ -n "$auth_port" ] || json_get_var auth_port port
 216                         [ -n "$auth_secret" ] || json_get_var auth_secret key
 217
 218                         set_default auth_port 1812
 219                         set_default acct_port 1813
 220                         set_default dae_port 3799
 221
 222                         append bss_conf "auth_server_addr=$auth_server" "$N"
 223                         append bss_conf "auth_server_port=$auth_port" "$N"
 224                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
 225
 226                         [ -n "$acct_server" ] && {
 227                                 append bss_conf "acct_server_addr=$acct_server" "$N"
 228                                 append bss_conf "acct_server_port=$acct_port" "$N"
 229                                 [ -n "$acct_secret" ] && \
 230                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
 231                         }
 232
 233                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
 234
 235                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
 236                                 append bss_conf "radius_das_port=$dae_port" "$N"
 237                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
 238                         }
 239
 240                         append bss_conf "nas_identifier=$nasid" "$N"
 241                         append bss_conf "eapol_key_index_workaround=1" "$N"
 242                         append bss_conf "ieee8021x=1" "$N"
 243                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
 244                 ;;
 245                 wep)
 246                         local wep_keyidx=0
 247                         json_get_vars key
 248                         hostapd_append_wep_key bss_conf
 249                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
 250                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
 251                 ;;
 252         esac
 253
 254         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
 255         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
 256         append bss_conf "wpa=$wpa" "$N"
 257         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
 258
 259         set_default wps_pushbutton 0
 260         set_default wps_label 0
 261         set_default wps_pbc_in_m1 0
 262
 263         config_methods=
 264         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
 265         [ "$wps_label" -gt 0 ] && append config_methods label
 266
 267         [ -n "$wps_possible" -a -n "$config_methods" ] && {
 268                 set_default ext_registrar 0
 269                 set_default wps_device_type "6-0050F204-1"
 270                 set_default wps_device_name "OpenWrt AP"
 271                 set_default wps_manufacturer "openwrt.org"
 272                 set_default wps_pin "12345670"
 273
 274                 wps_state=2
 275                 [ -n "$wps_configured" ] && wps_state=1
 276
 277                 [ "$ext_registrar" -gt 0 -a -n "$bridge" ] && append bss_conf "upnp_iface=$bridge" "$N"
 278
 279                 append bss_conf "eap_server=1" "$N"
 280                 append bss_conf "ap_pin=$wps_pin" "$N"
 281                 append bss_conf "wps_state=$wps_state" "$N"
 282                 append bss_conf "ap_setup_locked=0" "$N"
 283                 append bss_conf "device_type=$wps_device_type" "$N"
 284                 append bss_conf "device_name=$wps_device_name" "$N"
 285                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
 286                 append bss_conf "config_methods=$config_methods" "$N"
 287                 [ "$wps_pbc_in_m1" -gt 0 ] && append bss_conf "pbc_in_m1=$wps_pbc_in_m1" "$N"
 288         }
 289
 290         append bss_conf "ssid=$ssid" "$N"
 291         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
 292         [ -n "$iapp_interface" ] &&  {
 293                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
 294                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
 295         }
 296
 297         if [ "$wpa" -ge "2" ]; then
 298                 if [ -n "$bridge" -a "$rsn_preauth" = 1 ]; then
 299                         set_default auth_cache 1
 300                         append bss_conf "rsn_preauth=1" "$N"
 301                         append bss_conf "rsn_preauth_interfaces=$bridge" "$N"
 302                 else
 303                         set_default auth_cache 0
 304                 fi
 305
 306                 append bss_conf "okc=$auth_cache" "$N"
 307                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
 308
 309                 # RSN -> allow management frame protection
 310                 json_get_var ieee80211w ieee80211w
 311                 case "$ieee80211w" in
 312                         [012])
 313                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
 314                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
 315                                 [ "$ieee80211w" -gt "0" ] && {
 316                                         [ -n "$ieee80211w_max_timeout" ] && \
 317                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
 318                                         [ -n "$ieee80211w_retry_timeout" ] && \
 319                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
 320                                 }
 321                         ;;
 322                 esac
 323         fi
 324
 325         _macfile="/var/run/hostapd-$ifname.maclist"
 326         case "$macfilter" in
 327                 allow)
 328                         append bss_conf "macaddr_acl=1" "$N"
 329                         append bss_conf "accept_mac_file=$_macfile" "$N"
 330                 ;;
 331                 deny)
 332                         append bss_conf "macaddr_acl=0" "$N"
 333                         append bss_conf "deny_mac_file=$_macfile" "$N"
 334                 ;;
 335                 *)
 336                         _macfile=""
 337                 ;;
 338         esac
 339
 340         [ -n "$_macfile" ] && {
 341                 json_get_vars macfile
 342                 json_get_values maclist maclist
 343
 344                 rm -f "$_macfile"
 345                 (
 346                         for mac in $maclist; do
 347                                 echo "$mac"
 348                         done
 349                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
 350                 ) > "$_macfile"
 351         }
 352
 353         append "$var" "$bss_conf" "$N"
 354         return 0
 355 }
 356
 357 hostapd_set_log_options() {
 358         local var="$1"
 359
 360         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 361         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 362
 363         set_default log_level 2
 364         set_default log_80211  1
 365         set_default log_8021x  1
 366         set_default log_radius 1
 367         set_default log_wpa    1
 368         set_default log_driver 1
 369         set_default log_iapp   1
 370         set_default log_mlme   1
 371
 372         local log_mask=$((       \
 373                 ($log_80211  << 0) | \
 374                 ($log_8021x  << 1) | \
 375                 ($log_radius << 2) | \
 376                 ($log_wpa    << 3) | \
 377                 ($log_driver << 4) | \
 378                 ($log_iapp   << 5) | \
 379                 ($log_mlme   << 6)   \
 380         ))
 381
 382         append "$var" "logger_syslog=$log_mask" "$N"
 383         append "$var" "logger_syslog_level=$log_level" "$N"
 384         append "$var" "logger_stdout=$log_mask" "$N"
 385         append "$var" "logger_stdout_level=$log_level" "$N"
 386
 387         return 0
 388 }
 389
 390 _wpa_supplicant_common() {
 391         local ifname="$1"
 392
 393         _rpath="/var/run/wpa_supplicant"
 394         _config="${_rpath}-$ifname.conf"
 395 }
 396
 397 wpa_supplicant_teardown_interface() {
 398         _wpa_supplicant_common "$1"
 399         rm -rf "$_rpath" "$_config"
 400 }
 401
 402 wpa_supplicant_prepare_interface() {
 403         local ifname="$1"
 404         _w_driver="$2"
 405
 406         _wpa_supplicant_common "$1"
 407
 408         json_get_vars mode wds
 409
 410         [ -n "$network_bridge" ] && {
 411                 fail=
 412                 case "$mode" in
 413                         adhoc)
 414                                 fail=1
 415                         ;;
 416                         sta)
 417                                 [ "$wds" = 1 ] || fail=1
 418                         ;;
 419                 esac
 420
 421                 [ -n "$fail" ] && {
 422                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
 423                         return 1
 424                 }
 425         }
 426
 427         local ap_scan=
 428
 429         _w_mode="$mode"
 430         _w_modestr=
 431
 432         [[ "$mode" = adhoc ]] && {
 433                 ap_scan="ap_scan=2"
 434
 435                 _w_modestr="mode=1"
 436         }
 437
 438         wpa_supplicant_teardown_interface "$ifname"
 439         cat > "$_config" <<EOF
 440 $ap_scan
 441 EOF
 442         return 0
 443 }
 444
 445 wpa_supplicant_add_network() {
 446         local ifname="$1"
 447
 448         _wpa_supplicant_common "$1"
 449         wireless_vif_parse_encryption
 450
 451         json_get_vars \
 452                 ssid bssid key \
 453                 basic_rate mcast_rate \
 454                 ieee80211w
 455
 456         local key_mgmt='NONE'
 457         local enc_str=
 458         local network_data=
 459         local T="       "
 460
 461         local wpa_key_mgmt="WPA-PSK"
 462         local scan_ssid="1"
 463         local freq
 464
 465         [[ "$_w_mode" = "adhoc" ]] && {
 466                 append network_data "mode=1" "$N$T"
 467                 [ -n "$channel" ] && {
 468                         freq="$(get_freq "$phy" "$channel")"
 469                         append network_data "fixed_freq=1" "$N$T"
 470                         append network_data "frequency=$freq" "$N$T"
 471                 }
 472
 473                 scan_ssid=0
 474
 475                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
 476         }
 477
 478         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
 479
 480         case "$auth_type" in
 481                 none) ;;
 482                 wep)
 483                         local wep_keyidx=0
 484                         hostapd_append_wep_key network_data
 485                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
 486                 ;;
 487                 psk)
 488                         local passphrase
 489
 490                         key_mgmt="$wpa_key_mgmt"
 491                         if [ ${#key} -eq 64 ]; then
 492                                 passphrase="psk=${key}"
 493                         else
 494                                 passphrase="psk=\"${key}\""
 495                         fi
 496                         append network_data "$passphrase" "$N$T"
 497                 ;;
 498                 eap)
 499                         key_mgmt='WPA-EAP'
 500
 501                         json_get_vars eap_type identity ca_cert
 502                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
 503                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
 504                         case "$eap_type" in
 505                                 tls)
 506                                         json_get_vars client_cert priv_key priv_key_pwd
 507                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
 508                                         append network_data "private_key=\"$priv_key\"" "$N$T"
 509                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
 510                                 ;;
 511                                 peap|ttls)
 512                                         json_get_vars auth password
 513                                         set_default auth MSCHAPV2
 514                                         append network_data "phase2=\"$auth\"" "$N$T"
 515                                         append network_data "password=\"$password\"" "$N$T"
 516                                 ;;
 517                         esac
 518                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
 519                 ;;
 520         esac
 521
 522         case "$wpa" in
 523                 1)
 524                         append network_data "proto=WPA" "$N$T"
 525                 ;;
 526                 2)
 527                         append network_data "proto=RSN" "$N$T"
 528                 ;;
 529         esac
 530
 531         case "$ieee80211w" in
 532                 [012])
 533                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
 534                 ;;
 535         esac
 536
 537         local beacon_int brates mrate
 538         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
 539         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
 540
 541
 542         [ -n "$basic_rate" ] && {
 543                 local br rate_list=
 544                 for br in $basic_rate; do
 545                         hostapd_add_rate rate_list "$br"
 546                 done
 547                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
 548         }
 549
 550         [ -n "$mcast_rate" ] && {
 551                 local mc_rate=
 552                 hostapd_add_rate mc_rate "$mcast_rate"
 553                 append network_data "mcast_rate=$mc_rate" "$N$T"
 554         }
 555
 556         local ht_str
 557         [ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
 558
 559         cat >> "$_config" <<EOF
 560 network={
 561         scan_ssid=$scan_ssid
 562         ssid="$ssid"
 563         key_mgmt=$key_mgmt
 564         $network_data
 565 }
 566 EOF
 567         return 0
 568 }
 569
 570 wpa_supplicant_run() {
 571         local ifname="$1"; shift
 572
 573         _wpa_supplicant_common "$ifname"
 574
 575         /usr/sbin/wpa_supplicant -B \
 576                 ${network_bridge:+-b $network_bridge} \
 577                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
 578                 -D ${_w_driver:-wext} \
 579                 -i "$ifname" \
 580                 -c "$_config" \
 581                 -C "$_rpath" \
 582                 "$@"
 583
 584         ret="$?"
 585         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
 586
 587         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 588
 589         return $ret
 590 }
 591
 592 hostapd_common_cleanup() {
 593         killall hostapd wpa_supplicant meshd-nl80211
 594 }