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         config_add_string require_mode
  56
  57         hostapd_add_log_config
  58 }
  59
  60 hostapd_prepare_device_config() {
  61         local config="$1"
  62         local driver="$2"
  63
  64         local base="${config%%.conf}"
  65         local base_cfg=
  66
  67         json_get_vars country country_ie beacon_int doth require_mode
  68
  69         hostapd_set_log_options base_cfg
  70
  71         set_default country_ie 1
  72         set_default doth 1
  73
  74         [ -n "$country" ] && {
  75                 append base_cfg "country_code=$country" "$N"
  76
  77                 [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
  78                 [ "$hwmode" = "a" -a "$doth" -gt 0 ] && append base_cfg "ieee80211h=1" "$N"
  79         }
  80         [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
  81
  82         local brlist= br
  83         json_get_values basic_rate_list basic_rate
  84         for br in $basic_rate_list; do
  85                 hostapd_add_basic_rate brlist "$br"
  86         done
  87         case "$require_mode" in
  88                 g) brlist="60 120 240" ;;
  89                 n) append base_cfg "require_ht=1" "$N";;
  90                 ac) append base_cfg "require_vht=1" "$N";;
  91         esac
  92         [ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
  93         [ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
  94
  95         cat > "$config" <<EOF
  96 driver=$driver
  97 $base_cfg
  98 EOF
  99 }
 100
 101 hostapd_common_add_bss_config() {
 102         config_add_string 'bssid:macaddr' 'ssid:string'
 103         config_add_boolean wds wmm hidden
 104
 105         config_add_int maxassoc max_inactivity
 106         config_add_boolean disassoc_low_ack isolate short_preamble
 107
 108         config_add_int \
 109                 wep_rekey eap_reauth_period \
 110                 wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 111
 112         config_add_boolean rsn_preauth auth_cache
 113         config_add_int ieee80211w
 114
 115         config_add_string 'auth_server:host' 'server:host'
 116         config_add_string auth_secret
 117         config_add_int 'auth_port:port' 'port:port'
 118
 119         config_add_string acct_server
 120         config_add_string acct_secret
 121         config_add_int acct_port
 122
 123         config_add_string dae_client
 124         config_add_string dae_secret
 125         config_add_int dae_port
 126
 127         config_add_string nasid
 128         config_add_string ownip
 129         config_add_string iapp_interface
 130         config_add_string eap_type ca_cert client_cert identity auth priv_key priv_key_pwd
 131
 132         config_add_string 'key1:wepkey' 'key2:wepkey' 'key3:wepkey' 'key4:wepkey' 'password:wpakey'
 133
 134         config_add_boolean wps_pushbutton wps_label ext_registrar wps_pbc_in_m1
 135         config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
 136
 137         config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
 138
 139         config_add_string macfilter 'macfile:file'
 140         config_add_array 'maclist:list(macaddr)'
 141
 142         config_add_int mcast_rate
 143         config_add_array basic_rate
 144 }
 145
 146 hostapd_set_bss_options() {
 147         local var="$1"
 148         local phy="$2"
 149         local vif="$3"
 150
 151         wireless_vif_parse_encryption
 152
 153         local bss_conf
 154         local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 155
 156         json_get_vars \
 157                 wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
 158                 maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
 159                 wps_pushbutton wps_label ext_registrar wps_pbc_in_m1 \
 160                 wps_device_type wps_device_name wps_manufacturer wps_pin \
 161                 macfilter ssid wmm hidden short_preamble rsn_preauth
 162
 163         set_default isolate 0
 164         set_default maxassoc 0
 165         set_default max_inactivity 0
 166         set_default short_preamble 1
 167         set_default disassoc_low_ack 1
 168         set_default hidden 0
 169         set_default wmm 1
 170
 171         append bss_conf "ctrl_interface=/var/run/hostapd"
 172         if [ "$isolate" -gt 0 ]; then
 173                 append bss_conf "ap_isolate=$isolate" "$N"
 174         fi
 175         if [ "$maxassoc" -gt 0 ]; then
 176                 append bss_conf "max_num_sta=$maxassoc" "$N"
 177         fi
 178         if [ "$max_inactivity" -gt 0 ]; then
 179                 append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
 180         fi
 181
 182         append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
 183         append bss_conf "preamble=$short_preamble" "$N"
 184         append bss_conf "wmm_enabled=$wmm" "$N"
 185         append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
 186
 187         [ "$wpa" -gt 0 ] && {
 188                 [ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
 189                 [ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
 190                 [ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
 191         }
 192
 193         case "$auth_type" in
 194                 none)
 195                         wps_possible=1
 196                         # Here we make the assumption that if we're in open mode
 197                         # with WPS enabled, we got to be in unconfigured state.
 198                         wps_not_configured=1
 199                 ;;
 200                 psk)
 201                         json_get_vars key
 202                         if [ ${#key} -lt 8 ]; then
 203                                 wireless_setup_vif_failed INVALID_WPA_PSK
 204                                 return 1
 205                         elif [ ${#key} -eq 64 ]; then
 206                                 append bss_conf "wpa_psk=$key" "$N"
 207                         else
 208                                 append bss_conf "wpa_passphrase=$key" "$N"
 209                         fi
 210                         wps_possible=1
 211                 ;;
 212                 eap)
 213                         json_get_vars \
 214                                 auth_server auth_secret auth_port \
 215                                 acct_server acct_secret acct_port \
 216                                 dae_client dae_secret dae_port \
 217                                 nasid iapp_interface ownip \
 218                                 eap_reauth_period
 219
 220                         # legacy compatibility
 221                         [ -n "$auth_server" ] || json_get_var auth_server server
 222                         [ -n "$auth_port" ] || json_get_var auth_port port
 223                         [ -n "$auth_secret" ] || json_get_var auth_secret key
 224
 225                         set_default auth_port 1812
 226                         set_default acct_port 1813
 227                         set_default dae_port 3799
 228
 229                         append bss_conf "auth_server_addr=$auth_server" "$N"
 230                         append bss_conf "auth_server_port=$auth_port" "$N"
 231                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
 232
 233                         [ -n "$acct_server" ] && {
 234                                 append bss_conf "acct_server_addr=$acct_server" "$N"
 235                                 append bss_conf "acct_server_port=$acct_port" "$N"
 236                                 [ -n "$acct_secret" ] && \
 237                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
 238                         }
 239
 240                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
 241
 242                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
 243                                 append bss_conf "radius_das_port=$dae_port" "$N"
 244                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
 245                         }
 246
 247                         append bss_conf "nas_identifier=$nasid" "$N"
 248                         [ -n "$ownip" ] && append bss_conf "own_ip_addr=$ownip" "$N"
 249                         append bss_conf "eapol_key_index_workaround=1" "$N"
 250                         append bss_conf "ieee8021x=1" "$N"
 251                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
 252                 ;;
 253                 wep)
 254                         local wep_keyidx=0
 255                         json_get_vars key
 256                         hostapd_append_wep_key bss_conf
 257                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
 258                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
 259                 ;;
 260         esac
 261
 262         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
 263         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
 264         append bss_conf "wpa=$wpa" "$N"
 265         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
 266
 267         set_default wps_pushbutton 0
 268         set_default wps_label 0
 269         set_default wps_pbc_in_m1 0
 270
 271         config_methods=
 272         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
 273         [ "$wps_label" -gt 0 ] && append config_methods label
 274
 275         [ -n "$wps_possible" -a -n "$config_methods" ] && {
 276                 set_default ext_registrar 0
 277                 set_default wps_device_type "6-0050F204-1"
 278                 set_default wps_device_name "OpenWrt AP"
 279                 set_default wps_manufacturer "openwrt.org"
 280                 set_default wps_pin "12345670"
 281
 282                 wps_state=2
 283                 [ -n "$wps_configured" ] && wps_state=1
 284
 285                 [ "$ext_registrar" -gt 0 -a -n "$network_bridge" ] && append bss_conf "upnp_iface=$network_bridge" "$N"
 286
 287                 append bss_conf "eap_server=1" "$N"
 288                 append bss_conf "ap_pin=$wps_pin" "$N"
 289                 append bss_conf "wps_state=$wps_state" "$N"
 290                 append bss_conf "ap_setup_locked=0" "$N"
 291                 append bss_conf "device_type=$wps_device_type" "$N"
 292                 append bss_conf "device_name=$wps_device_name" "$N"
 293                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
 294                 append bss_conf "config_methods=$config_methods" "$N"
 295                 [ "$wps_pbc_in_m1" -gt 0 ] && append bss_conf "pbc_in_m1=$wps_pbc_in_m1" "$N"
 296         }
 297
 298         append bss_conf "ssid=$ssid" "$N"
 299         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
 300         [ -n "$iapp_interface" ] &&  {
 301                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
 302                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
 303         }
 304
 305         if [ "$wpa" -ge "2" ]; then
 306                 if [ -n "$network_bridge" -a "$rsn_preauth" = 1 ]; then
 307                         set_default auth_cache 1
 308                         append bss_conf "rsn_preauth=1" "$N"
 309                         append bss_conf "rsn_preauth_interfaces=$network_bridge" "$N"
 310                 else
 311                         set_default auth_cache 0
 312                 fi
 313
 314                 append bss_conf "okc=$auth_cache" "$N"
 315                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
 316
 317                 # RSN -> allow management frame protection
 318                 json_get_var ieee80211w ieee80211w
 319                 case "$ieee80211w" in
 320                         [012])
 321                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
 322                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
 323                                 [ "$ieee80211w" -gt "0" ] && {
 324                                         [ -n "$ieee80211w_max_timeout" ] && \
 325                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
 326                                         [ -n "$ieee80211w_retry_timeout" ] && \
 327                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
 328                                 }
 329                         ;;
 330                 esac
 331         fi
 332
 333         _macfile="/var/run/hostapd-$ifname.maclist"
 334         case "$macfilter" in
 335                 allow)
 336                         append bss_conf "macaddr_acl=1" "$N"
 337                         append bss_conf "accept_mac_file=$_macfile" "$N"
 338                 ;;
 339                 deny)
 340                         append bss_conf "macaddr_acl=0" "$N"
 341                         append bss_conf "deny_mac_file=$_macfile" "$N"
 342                 ;;
 343                 *)
 344                         _macfile=""
 345                 ;;
 346         esac
 347
 348         [ -n "$_macfile" ] && {
 349                 json_get_vars macfile
 350                 json_get_values maclist maclist
 351
 352                 rm -f "$_macfile"
 353                 (
 354                         for mac in $maclist; do
 355                                 echo "$mac"
 356                         done
 357                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
 358                 ) > "$_macfile"
 359         }
 360
 361         append "$var" "$bss_conf" "$N"
 362         return 0
 363 }
 364
 365 hostapd_set_log_options() {
 366         local var="$1"
 367
 368         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 369         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 370
 371         set_default log_level 2
 372         set_default log_80211  1
 373         set_default log_8021x  1
 374         set_default log_radius 1
 375         set_default log_wpa    1
 376         set_default log_driver 1
 377         set_default log_iapp   1
 378         set_default log_mlme   1
 379
 380         local log_mask=$((       \
 381                 ($log_80211  << 0) | \
 382                 ($log_8021x  << 1) | \
 383                 ($log_radius << 2) | \
 384                 ($log_wpa    << 3) | \
 385                 ($log_driver << 4) | \
 386                 ($log_iapp   << 5) | \
 387                 ($log_mlme   << 6)   \
 388         ))
 389
 390         append "$var" "logger_syslog=$log_mask" "$N"
 391         append "$var" "logger_syslog_level=$log_level" "$N"
 392         append "$var" "logger_stdout=$log_mask" "$N"
 393         append "$var" "logger_stdout_level=$log_level" "$N"
 394
 395         return 0
 396 }
 397
 398 _wpa_supplicant_common() {
 399         local ifname="$1"
 400
 401         _rpath="/var/run/wpa_supplicant"
 402         _config="${_rpath}-$ifname.conf"
 403 }
 404
 405 wpa_supplicant_teardown_interface() {
 406         _wpa_supplicant_common "$1"
 407         rm -rf "$_rpath" "$_config"
 408 }
 409
 410 wpa_supplicant_prepare_interface() {
 411         local ifname="$1"
 412         _w_driver="$2"
 413
 414         _wpa_supplicant_common "$1"
 415
 416         json_get_vars mode wds
 417
 418         [ -n "$network_bridge" ] && {
 419                 fail=
 420                 case "$mode" in
 421                         adhoc)
 422                                 fail=1
 423                         ;;
 424                         sta)
 425                                 [ "$wds" = 1 ] || fail=1
 426                         ;;
 427                 esac
 428
 429                 [ -n "$fail" ] && {
 430                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
 431                         return 1
 432                 }
 433         }
 434
 435         local ap_scan=
 436
 437         _w_mode="$mode"
 438         _w_modestr=
 439
 440         [[ "$mode" = adhoc ]] && {
 441                 ap_scan="ap_scan=2"
 442
 443                 _w_modestr="mode=1"
 444         }
 445
 446         wpa_supplicant_teardown_interface "$ifname"
 447         cat > "$_config" <<EOF
 448 $ap_scan
 449 EOF
 450         return 0
 451 }
 452
 453 wpa_supplicant_add_network() {
 454         local ifname="$1"
 455
 456         _wpa_supplicant_common "$1"
 457         wireless_vif_parse_encryption
 458
 459         json_get_vars \
 460                 ssid bssid key \
 461                 basic_rate mcast_rate \
 462                 ieee80211w
 463
 464         local key_mgmt='NONE'
 465         local enc_str=
 466         local network_data=
 467         local T="       "
 468
 469         local wpa_key_mgmt="WPA-PSK"
 470         local scan_ssid="1"
 471         local freq
 472
 473         [[ "$_w_mode" = "adhoc" ]] && {
 474                 append network_data "mode=1" "$N$T"
 475                 [ -n "$channel" ] && {
 476                         freq="$(get_freq "$phy" "$channel")"
 477                         append network_data "fixed_freq=1" "$N$T"
 478                         append network_data "frequency=$freq" "$N$T"
 479                 }
 480
 481                 scan_ssid=0
 482
 483                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
 484         }
 485
 486         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
 487
 488         case "$auth_type" in
 489                 none) ;;
 490                 wep)
 491                         local wep_keyidx=0
 492                         hostapd_append_wep_key network_data
 493                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
 494                 ;;
 495                 psk)
 496                         local passphrase
 497
 498                         key_mgmt="$wpa_key_mgmt"
 499                         if [ ${#key} -eq 64 ]; then
 500                                 passphrase="psk=${key}"
 501                         else
 502                                 passphrase="psk=\"${key}\""
 503                         fi
 504                         append network_data "$passphrase" "$N$T"
 505                 ;;
 506                 eap)
 507                         key_mgmt='WPA-EAP'
 508
 509                         json_get_vars eap_type identity ca_cert
 510                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
 511                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
 512                         case "$eap_type" in
 513                                 tls)
 514                                         json_get_vars client_cert priv_key priv_key_pwd
 515                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
 516                                         append network_data "private_key=\"$priv_key\"" "$N$T"
 517                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
 518                                 ;;
 519                                 peap|ttls)
 520                                         json_get_vars auth password
 521                                         set_default auth MSCHAPV2
 522                                         append network_data "phase2=\"$auth\"" "$N$T"
 523                                         append network_data "password=\"$password\"" "$N$T"
 524                                 ;;
 525                         esac
 526                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
 527                 ;;
 528         esac
 529
 530         case "$wpa" in
 531                 1)
 532                         append network_data "proto=WPA" "$N$T"
 533                 ;;
 534                 2)
 535                         append network_data "proto=RSN" "$N$T"
 536                 ;;
 537         esac
 538
 539         case "$ieee80211w" in
 540                 [012])
 541                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
 542                 ;;
 543         esac
 544
 545         local beacon_int brates mrate
 546         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
 547         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
 548
 549
 550         [ -n "$basic_rate" ] && {
 551                 local br rate_list=
 552                 for br in $basic_rate; do
 553                         hostapd_add_rate rate_list "$br"
 554                 done
 555                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
 556         }
 557
 558         [ -n "$mcast_rate" ] && {
 559                 local mc_rate=
 560                 hostapd_add_rate mc_rate "$mcast_rate"
 561                 append network_data "mcast_rate=$mc_rate" "$N$T"
 562         }
 563
 564         local ht_str
 565         [ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
 566
 567         cat >> "$_config" <<EOF
 568 network={
 569         scan_ssid=$scan_ssid
 570         ssid="$ssid"
 571         key_mgmt=$key_mgmt
 572         $network_data
 573 }
 574 EOF
 575         return 0
 576 }
 577
 578 wpa_supplicant_run() {
 579         local ifname="$1"; shift
 580
 581         _wpa_supplicant_common "$ifname"
 582
 583         /usr/sbin/wpa_supplicant -B \
 584                 ${network_bridge:+-b $network_bridge} \
 585                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
 586                 -D ${_w_driver:-wext} \
 587                 -i "$ifname" \
 588                 -c "$_config" \
 589                 -C "$_rpath" \
 590                 "$@"
 591
 592         ret="$?"
 593         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
 594
 595         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 596
 597         return $ret
 598 }
 599
 600 hostapd_common_cleanup() {
 601         killall hostapd wpa_supplicant meshd-nl80211
 602 }