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_int dynamic_vlan vlan_naming
 133         config_add_string vlan_tagged_interface vlan_bridge
 134
 135         config_add_string 'key1:wepkey' 'key2:wepkey' 'key3:wepkey' 'key4:wepkey' 'password:wpakey'
 136
 137         config_add_string wpa_psk_file
 138
 139         config_add_boolean wps_pushbutton wps_label ext_registrar wps_pbc_in_m1
 140         config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
 141
 142         config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
 143
 144         config_add_string macfilter 'macfile:file'
 145         config_add_array 'maclist:list(macaddr)'
 146
 147         config_add_int mcast_rate
 148         config_add_array basic_rate
 149 }
 150
 151 hostapd_set_bss_options() {
 152         local var="$1"
 153         local phy="$2"
 154         local vif="$3"
 155
 156         wireless_vif_parse_encryption
 157
 158         local bss_conf
 159         local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
 160
 161         json_get_vars \
 162                 wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
 163                 maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
 164                 wps_pushbutton wps_label ext_registrar wps_pbc_in_m1 \
 165                 wps_device_type wps_device_name wps_manufacturer wps_pin \
 166                 macfilter ssid wmm hidden short_preamble rsn_preauth \
 167                 iapp_interface
 168
 169         set_default isolate 0
 170         set_default maxassoc 0
 171         set_default max_inactivity 0
 172         set_default short_preamble 1
 173         set_default disassoc_low_ack 1
 174         set_default hidden 0
 175         set_default wmm 1
 176
 177         append bss_conf "ctrl_interface=/var/run/hostapd"
 178         if [ "$isolate" -gt 0 ]; then
 179                 append bss_conf "ap_isolate=$isolate" "$N"
 180         fi
 181         if [ "$maxassoc" -gt 0 ]; then
 182                 append bss_conf "max_num_sta=$maxassoc" "$N"
 183         fi
 184         if [ "$max_inactivity" -gt 0 ]; then
 185                 append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
 186         fi
 187
 188         append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
 189         append bss_conf "preamble=$short_preamble" "$N"
 190         append bss_conf "wmm_enabled=$wmm" "$N"
 191         append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
 192
 193         [ "$wpa" -gt 0 ] && {
 194                 [ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
 195                 [ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
 196                 [ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
 197         }
 198
 199         case "$auth_type" in
 200                 none)
 201                         wps_possible=1
 202                         # Here we make the assumption that if we're in open mode
 203                         # with WPS enabled, we got to be in unconfigured state.
 204                         wps_not_configured=1
 205                 ;;
 206                 psk)
 207                         json_get_vars key wpa_psk_file
 208                         if [ ${#key} -lt 8 ]; then
 209                                 wireless_setup_vif_failed INVALID_WPA_PSK
 210                                 return 1
 211                         elif [ ${#key} -eq 64 ]; then
 212                                 append bss_conf "wpa_psk=$key" "$N"
 213                         else
 214                                 append bss_conf "wpa_passphrase=$key" "$N"
 215                         fi
 216                         [ -n "$wpa_psk_file" ] && {
 217                                 [ -e "$wpa_psk_file" ] || touch "$wpa_psk_file"
 218                                 append bss_conf "wpa_psk_file=$wpa_psk_file" "$N"
 219                         }
 220                         wps_possible=1
 221                 ;;
 222                 eap)
 223                         json_get_vars \
 224                                 auth_server auth_secret auth_port \
 225                                 acct_server acct_secret acct_port \
 226                                 dae_client dae_secret dae_port \
 227                                 nasid ownip \
 228                                 eap_reauth_period dynamic_vlan \
 229                                 vlan_naming vlan_tagged_interface \
 230                                 vlan_bridge
 231
 232                         # legacy compatibility
 233                         [ -n "$auth_server" ] || json_get_var auth_server server
 234                         [ -n "$auth_port" ] || json_get_var auth_port port
 235                         [ -n "$auth_secret" ] || json_get_var auth_secret key
 236
 237                         set_default auth_port 1812
 238                         set_default acct_port 1813
 239                         set_default dae_port 3799
 240
 241                         set_default vlan_naming 1
 242
 243                         append bss_conf "auth_server_addr=$auth_server" "$N"
 244                         append bss_conf "auth_server_port=$auth_port" "$N"
 245                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
 246
 247                         [ -n "$acct_server" ] && {
 248                                 append bss_conf "acct_server_addr=$acct_server" "$N"
 249                                 append bss_conf "acct_server_port=$acct_port" "$N"
 250                                 [ -n "$acct_secret" ] && \
 251                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
 252                         }
 253
 254                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
 255
 256                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
 257                                 append bss_conf "radius_das_port=$dae_port" "$N"
 258                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
 259                         }
 260
 261                         append bss_conf "nas_identifier=$nasid" "$N"
 262                         [ -n "$ownip" ] && append bss_conf "own_ip_addr=$ownip" "$N"
 263                         append bss_conf "eapol_key_index_workaround=1" "$N"
 264                         append bss_conf "ieee8021x=1" "$N"
 265                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
 266
 267                         [ -n "$dynamic_vlan" ] && {
 268                                 append bss_conf "dynamic_vlan=$dynamic_vlan" "$N"
 269                                 append bss_conf "vlan_naming=$vlan_naming" "$N"
 270                                 [ -n "$vlan_bridge" ] && \
 271                                         append bss_conf "vlan_bridge=$vlan_bridge" "$N"
 272                                 [ -n "$vlan_tagged_interface" ] && \
 273                                         append bss_conf "vlan_tagged_interface=$vlan_tagged_interface" "$N"
 274                         }
 275                 ;;
 276                 wep)
 277                         local wep_keyidx=0
 278                         json_get_vars key
 279                         hostapd_append_wep_key bss_conf
 280                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
 281                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
 282                 ;;
 283         esac
 284
 285         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
 286         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
 287         append bss_conf "wpa=$wpa" "$N"
 288         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
 289
 290         set_default wps_pushbutton 0
 291         set_default wps_label 0
 292         set_default wps_pbc_in_m1 0
 293
 294         config_methods=
 295         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
 296         [ "$wps_label" -gt 0 ] && append config_methods label
 297
 298         [ -n "$wps_possible" -a -n "$config_methods" ] && {
 299                 set_default ext_registrar 0
 300                 set_default wps_device_type "6-0050F204-1"
 301                 set_default wps_device_name "OpenWrt AP"
 302                 set_default wps_manufacturer "openwrt.org"
 303
 304                 wps_state=2
 305                 [ -n "$wps_configured" ] && wps_state=1
 306
 307                 [ "$ext_registrar" -gt 0 -a -n "$network_bridge" ] && append bss_conf "upnp_iface=$network_bridge" "$N"
 308
 309                 append bss_conf "eap_server=1" "$N"
 310                 [ -n "$wps_pin" ] && append bss_conf "ap_pin=$wps_pin" "$N"
 311                 append bss_conf "wps_state=$wps_state" "$N"
 312                 append bss_conf "ap_setup_locked=0" "$N"
 313                 append bss_conf "device_type=$wps_device_type" "$N"
 314                 append bss_conf "device_name=$wps_device_name" "$N"
 315                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
 316                 append bss_conf "config_methods=$config_methods" "$N"
 317                 [ "$wps_pbc_in_m1" -gt 0 ] && append bss_conf "pbc_in_m1=$wps_pbc_in_m1" "$N"
 318         }
 319
 320         append bss_conf "ssid=$ssid" "$N"
 321         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
 322         [ -n "$iapp_interface" ] && {
 323                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
 324                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
 325         }
 326
 327         if [ "$wpa" -ge "2" ]; then
 328                 if [ -n "$network_bridge" -a "$rsn_preauth" = 1 ]; then
 329                         set_default auth_cache 1
 330                         append bss_conf "rsn_preauth=1" "$N"
 331                         append bss_conf "rsn_preauth_interfaces=$network_bridge" "$N"
 332                 else
 333                         set_default auth_cache 0
 334                 fi
 335
 336                 append bss_conf "okc=$auth_cache" "$N"
 337                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
 338
 339                 # RSN -> allow management frame protection
 340                 json_get_var ieee80211w ieee80211w
 341                 case "$ieee80211w" in
 342                         [012])
 343                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
 344                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
 345                                 [ "$ieee80211w" -gt "0" ] && {
 346                                         [ -n "$ieee80211w_max_timeout" ] && \
 347                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
 348                                         [ -n "$ieee80211w_retry_timeout" ] && \
 349                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
 350                                 }
 351                         ;;
 352                 esac
 353         fi
 354
 355         _macfile="/var/run/hostapd-$ifname.maclist"
 356         case "$macfilter" in
 357                 allow)
 358                         append bss_conf "macaddr_acl=1" "$N"
 359                         append bss_conf "accept_mac_file=$_macfile" "$N"
 360                 ;;
 361                 deny)
 362                         append bss_conf "macaddr_acl=0" "$N"
 363                         append bss_conf "deny_mac_file=$_macfile" "$N"
 364                 ;;
 365                 *)
 366                         _macfile=""
 367                 ;;
 368         esac
 369
 370         [ -n "$_macfile" ] && {
 371                 json_get_vars macfile
 372                 json_get_values maclist maclist
 373
 374                 rm -f "$_macfile"
 375                 (
 376                         for mac in $maclist; do
 377                                 echo "$mac"
 378                         done
 379                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
 380                 ) > "$_macfile"
 381         }
 382
 383         append "$var" "$bss_conf" "$N"
 384         return 0
 385 }
 386
 387 hostapd_set_log_options() {
 388         local var="$1"
 389
 390         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 391         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
 392
 393         set_default log_level 2
 394         set_default log_80211  1
 395         set_default log_8021x  1
 396         set_default log_radius 1
 397         set_default log_wpa    1
 398         set_default log_driver 1
 399         set_default log_iapp   1
 400         set_default log_mlme   1
 401
 402         local log_mask=$(( \
 403                 ($log_80211  << 0) | \
 404                 ($log_8021x  << 1) | \
 405                 ($log_radius << 2) | \
 406                 ($log_wpa    << 3) | \
 407                 ($log_driver << 4) | \
 408                 ($log_iapp   << 5) | \
 409                 ($log_mlme   << 6)   \
 410         ))
 411
 412         append "$var" "logger_syslog=$log_mask" "$N"
 413         append "$var" "logger_syslog_level=$log_level" "$N"
 414         append "$var" "logger_stdout=$log_mask" "$N"
 415         append "$var" "logger_stdout_level=$log_level" "$N"
 416
 417         return 0
 418 }
 419
 420 _wpa_supplicant_common() {
 421         local ifname="$1"
 422
 423         _rpath="/var/run/wpa_supplicant"
 424         _config="${_rpath}-$ifname.conf"
 425 }
 426
 427 wpa_supplicant_teardown_interface() {
 428         _wpa_supplicant_common "$1"
 429         rm -rf "$_rpath/$1" "$_config"
 430 }
 431
 432 wpa_supplicant_prepare_interface() {
 433         local ifname="$1"
 434         _w_driver="$2"
 435
 436         _wpa_supplicant_common "$1"
 437
 438         json_get_vars mode wds
 439
 440         [ -n "$network_bridge" ] && {
 441                 fail=
 442                 case "$mode" in
 443                         adhoc)
 444                                 fail=1
 445                         ;;
 446                         sta)
 447                                 [ "$wds" = 1 ] || fail=1
 448                         ;;
 449                 esac
 450
 451                 [ -n "$fail" ] && {
 452                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
 453                         return 1
 454                 }
 455         }
 456
 457         local ap_scan=
 458
 459         _w_mode="$mode"
 460         _w_modestr=
 461
 462         [[ "$mode" = adhoc ]] && {
 463                 ap_scan="ap_scan=2"
 464
 465                 _w_modestr="mode=1"
 466         }
 467
 468         wpa_supplicant_teardown_interface "$ifname"
 469         cat > "$_config" <<EOF
 470 $ap_scan
 471 EOF
 472         return 0
 473 }
 474
 475 wpa_supplicant_add_network() {
 476         local ifname="$1"
 477
 478         _wpa_supplicant_common "$1"
 479         wireless_vif_parse_encryption
 480
 481         json_get_vars \
 482                 ssid bssid key \
 483                 basic_rate mcast_rate \
 484                 ieee80211w
 485
 486         local key_mgmt='NONE'
 487         local enc_str=
 488         local network_data=
 489         local T="       "
 490
 491         local wpa_key_mgmt="WPA-PSK"
 492         local scan_ssid="1"
 493         local freq
 494
 495         [[ "$_w_mode" = "adhoc" ]] && {
 496                 append network_data "mode=1" "$N$T"
 497                 [ -n "$channel" ] && {
 498                         freq="$(get_freq "$phy" "$channel")"
 499                         append network_data "fixed_freq=1" "$N$T"
 500                         append network_data "frequency=$freq" "$N$T"
 501                 }
 502
 503                 scan_ssid=0
 504
 505                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
 506         }
 507
 508         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
 509
 510         case "$auth_type" in
 511                 none) ;;
 512                 wep)
 513                         local wep_keyidx=0
 514                         hostapd_append_wep_key network_data
 515                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
 516                 ;;
 517                 psk)
 518                         local passphrase
 519
 520                         key_mgmt="$wpa_key_mgmt"
 521                         if [ ${#key} -eq 64 ]; then
 522                                 passphrase="psk=${key}"
 523                         else
 524                                 passphrase="psk=\"${key}\""
 525                         fi
 526                         append network_data "$passphrase" "$N$T"
 527                 ;;
 528                 eap)
 529                         key_mgmt='WPA-EAP'
 530
 531                         json_get_vars eap_type identity ca_cert
 532                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
 533                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
 534                         case "$eap_type" in
 535                                 tls)
 536                                         json_get_vars client_cert priv_key priv_key_pwd
 537                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
 538                                         append network_data "private_key=\"$priv_key\"" "$N$T"
 539                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
 540                                 ;;
 541                                 peap|ttls)
 542                                         json_get_vars auth password
 543                                         set_default auth MSCHAPV2
 544                                         append network_data "phase2=\"$auth\"" "$N$T"
 545                                         append network_data "password=\"$password\"" "$N$T"
 546                                 ;;
 547                         esac
 548                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
 549                 ;;
 550         esac
 551
 552         case "$wpa" in
 553                 1)
 554                         append network_data "proto=WPA" "$N$T"
 555                 ;;
 556                 2)
 557                         append network_data "proto=RSN" "$N$T"
 558                 ;;
 559         esac
 560
 561         case "$ieee80211w" in
 562                 [012])
 563                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
 564                 ;;
 565         esac
 566
 567         local beacon_int brates mrate
 568         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
 569         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
 570
 571
 572         [ -n "$basic_rate" ] && {
 573                 local br rate_list=
 574                 for br in $basic_rate; do
 575                         hostapd_add_rate rate_list "$br"
 576                 done
 577                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
 578         }
 579
 580         [ -n "$mcast_rate" ] && {
 581                 local mc_rate=
 582                 hostapd_add_rate mc_rate "$mcast_rate"
 583                 append network_data "mcast_rate=$mc_rate" "$N$T"
 584         }
 585
 586         local ht_str
 587         [ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
 588
 589         cat >> "$_config" <<EOF
 590 network={
 591         scan_ssid=$scan_ssid
 592         ssid="$ssid"
 593         key_mgmt=$key_mgmt
 594         $network_data
 595 }
 596 EOF
 597         return 0
 598 }
 599
 600 wpa_supplicant_run() {
 601         local ifname="$1"; shift
 602
 603         _wpa_supplicant_common "$ifname"
 604
 605         /usr/sbin/wpa_supplicant -B \
 606                 ${network_bridge:+-b $network_bridge} \
 607                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
 608                 -D ${_w_driver:-wext} \
 609                 -i "$ifname" \
 610                 -c "$_config" \
 611                 -C "$_rpath" \
 612                 "$@"
 613
 614         ret="$?"
 615         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
 616
 617         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 618
 619         return $ret
 620 }
 621
 622 hostapd_common_cleanup() {
 623         killall hostapd wpa_supplicant meshd-nl80211
 624 }