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