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