hostapd: backport BSSID black/whitelists
[openwrt.git] / package / network / services / hostapd / files / netifd.sh
1 wpa_supplicant_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_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         config_add_array supported_rates
53
54         config_add_string country
55         config_add_boolean country_ie doth
56         config_add_string require_mode
57
58         hostapd_add_log_config
59 }
60
61 hostapd_prepare_device_config() {
62         local config="$1"
63         local driver="$2"
64
65         local base="${config%%.conf}"
66         local base_cfg=
67
68         json_get_vars country country_ie beacon_int doth require_mode
69
70         hostapd_set_log_options base_cfg
71
72         set_default country_ie 1
73         set_default doth 1
74
75         [ -n "$country" ] && {
76                 append base_cfg "country_code=$country" "$N"
77
78                 [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
79                 [ "$hwmode" = "a" -a "$doth" -gt 0 ] && append base_cfg "ieee80211h=1" "$N"
80         }
81         [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
82
83         local brlist= br
84         json_get_values basic_rate_list basic_rate
85         for br in $basic_rate_list; do
86                 hostapd_add_rate brlist "$br"
87         done
88         case "$require_mode" in
89                 g) brlist="60 120 240" ;;
90                 n) append base_cfg "require_ht=1" "$N";;
91                 ac) append base_cfg "require_vht=1" "$N";;
92         esac
93
94         local rlist= r
95         json_get_values rate_list supported_rates
96         for r in $rate_list; do
97                 hostapd_add_rate rlist "$r"
98         done
99
100         [ -n "$rlist" ] && append base_cfg "supported_rates=$rlist" "$N"
101         [ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
102         [ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
103
104         cat > "$config" <<EOF
105 driver=$driver
106 $base_cfg
107 EOF
108 }
109
110 hostapd_common_add_bss_config() {
111         config_add_string 'bssid:macaddr' 'ssid:string'
112         config_add_boolean wds wmm uapsd hidden
113
114         config_add_int maxassoc max_inactivity
115         config_add_boolean disassoc_low_ack isolate short_preamble
116
117         config_add_int \
118                 wep_rekey eap_reauth_period \
119                 wpa_group_rekey wpa_pair_rekey wpa_master_rekey
120
121         config_add_boolean rsn_preauth auth_cache
122         config_add_int ieee80211w
123
124         config_add_string 'auth_server:host' 'server:host'
125         config_add_string auth_secret
126         config_add_int 'auth_port:port' 'port:port'
127
128         config_add_string acct_server
129         config_add_string acct_secret
130         config_add_int acct_port
131
132         config_add_string dae_client
133         config_add_string dae_secret
134         config_add_int dae_port
135
136         config_add_string nasid
137         config_add_string ownip
138         config_add_string iapp_interface
139         config_add_string eap_type ca_cert client_cert identity auth priv_key priv_key_pwd
140
141         config_add_int dynamic_vlan vlan_naming
142         config_add_string vlan_tagged_interface vlan_bridge
143
144         config_add_string 'key1:wepkey' 'key2:wepkey' 'key3:wepkey' 'key4:wepkey' 'password:wpakey'
145
146         config_add_string wpa_psk_file
147
148         config_add_boolean wps_pushbutton wps_label ext_registrar wps_pbc_in_m1
149         config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
150
151         config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
152
153         config_add_string macfilter 'macfile:file'
154         config_add_array 'maclist:list(macaddr)'
155
156         config_add_array bssid_blacklist
157         config_add_array bssid_whitelist
158
159         config_add_int mcast_rate
160         config_add_array basic_rate
161         config_add_array supported_rates
162 }
163
164 hostapd_set_bss_options() {
165         local var="$1"
166         local phy="$2"
167         local vif="$3"
168
169         wireless_vif_parse_encryption
170
171         local bss_conf
172         local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
173
174         json_get_vars \
175                 wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
176                 maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
177                 wps_pushbutton wps_label ext_registrar wps_pbc_in_m1 \
178                 wps_device_type wps_device_name wps_manufacturer wps_pin \
179                 macfilter ssid wmm uapsd hidden short_preamble rsn_preauth \
180                 iapp_interface
181
182         set_default isolate 0
183         set_default maxassoc 0
184         set_default max_inactivity 0
185         set_default short_preamble 1
186         set_default disassoc_low_ack 1
187         set_default hidden 0
188         set_default wmm 1
189         set_default uapsd 1
190
191         append bss_conf "ctrl_interface=/var/run/hostapd"
192         if [ "$isolate" -gt 0 ]; then
193                 append bss_conf "ap_isolate=$isolate" "$N"
194         fi
195         if [ "$maxassoc" -gt 0 ]; then
196                 append bss_conf "max_num_sta=$maxassoc" "$N"
197         fi
198         if [ "$max_inactivity" -gt 0 ]; then
199                 append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
200         fi
201
202         append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
203         append bss_conf "preamble=$short_preamble" "$N"
204         append bss_conf "wmm_enabled=$wmm" "$N"
205         append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
206         append bss_conf "uapsd_advertisement_enabled=$uapsd" "$N"
207
208         [ "$wpa" -gt 0 ] && {
209                 [ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
210                 [ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
211                 [ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
212         }
213
214         case "$auth_type" in
215                 none)
216                         wps_possible=1
217                         # Here we make the assumption that if we're in open mode
218                         # with WPS enabled, we got to be in unconfigured state.
219                         wps_not_configured=1
220                 ;;
221                 psk)
222                         json_get_vars key wpa_psk_file
223                         if [ ${#key} -lt 8 ]; then
224                                 wireless_setup_vif_failed INVALID_WPA_PSK
225                                 return 1
226                         elif [ ${#key} -eq 64 ]; then
227                                 append bss_conf "wpa_psk=$key" "$N"
228                         else
229                                 append bss_conf "wpa_passphrase=$key" "$N"
230                         fi
231                         [ -n "$wpa_psk_file" ] && {
232                                 [ -e "$wpa_psk_file" ] || touch "$wpa_psk_file"
233                                 append bss_conf "wpa_psk_file=$wpa_psk_file" "$N"
234                         }
235                         wps_possible=1
236                 ;;
237                 eap)
238                         json_get_vars \
239                                 auth_server auth_secret auth_port \
240                                 acct_server acct_secret acct_port \
241                                 dae_client dae_secret dae_port \
242                                 nasid ownip \
243                                 eap_reauth_period dynamic_vlan \
244                                 vlan_naming vlan_tagged_interface \
245                                 vlan_bridge
246
247                         # legacy compatibility
248                         [ -n "$auth_server" ] || json_get_var auth_server server
249                         [ -n "$auth_port" ] || json_get_var auth_port port
250                         [ -n "$auth_secret" ] || json_get_var auth_secret key
251
252                         set_default auth_port 1812
253                         set_default acct_port 1813
254                         set_default dae_port 3799
255
256                         set_default vlan_naming 1
257
258                         append bss_conf "auth_server_addr=$auth_server" "$N"
259                         append bss_conf "auth_server_port=$auth_port" "$N"
260                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
261
262                         [ -n "$acct_server" ] && {
263                                 append bss_conf "acct_server_addr=$acct_server" "$N"
264                                 append bss_conf "acct_server_port=$acct_port" "$N"
265                                 [ -n "$acct_secret" ] && \
266                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
267                         }
268
269                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
270
271                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
272                                 append bss_conf "radius_das_port=$dae_port" "$N"
273                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
274                         }
275
276                         append bss_conf "nas_identifier=$nasid" "$N"
277                         [ -n "$ownip" ] && append bss_conf "own_ip_addr=$ownip" "$N"
278                         append bss_conf "eapol_key_index_workaround=1" "$N"
279                         append bss_conf "ieee8021x=1" "$N"
280                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
281
282                         [ -n "$dynamic_vlan" ] && {
283                                 append bss_conf "dynamic_vlan=$dynamic_vlan" "$N"
284                                 append bss_conf "vlan_naming=$vlan_naming" "$N"
285                                 [ -n "$vlan_bridge" ] && \
286                                         append bss_conf "vlan_bridge=$vlan_bridge" "$N"
287                                 [ -n "$vlan_tagged_interface" ] && \
288                                         append bss_conf "vlan_tagged_interface=$vlan_tagged_interface" "$N"
289                         }
290                 ;;
291                 wep)
292                         local wep_keyidx=0
293                         json_get_vars key
294                         hostapd_append_wep_key bss_conf
295                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
296                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
297                 ;;
298         esac
299
300         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
301         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
302         append bss_conf "wpa=$wpa" "$N"
303         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
304
305         set_default wps_pushbutton 0
306         set_default wps_label 0
307         set_default wps_pbc_in_m1 0
308
309         config_methods=
310         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
311         [ "$wps_label" -gt 0 ] && append config_methods label
312
313         [ -n "$wps_possible" -a -n "$config_methods" ] && {
314                 set_default ext_registrar 0
315                 set_default wps_device_type "6-0050F204-1"
316                 set_default wps_device_name "OpenWrt AP"
317                 set_default wps_manufacturer "openwrt.org"
318
319                 wps_state=2
320                 [ -n "$wps_configured" ] && wps_state=1
321
322                 [ "$ext_registrar" -gt 0 -a -n "$network_bridge" ] && append bss_conf "upnp_iface=$network_bridge" "$N"
323
324                 append bss_conf "eap_server=1" "$N"
325                 [ -n "$wps_pin" ] && append bss_conf "ap_pin=$wps_pin" "$N"
326                 append bss_conf "wps_state=$wps_state" "$N"
327                 append bss_conf "ap_setup_locked=0" "$N"
328                 append bss_conf "device_type=$wps_device_type" "$N"
329                 append bss_conf "device_name=$wps_device_name" "$N"
330                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
331                 append bss_conf "config_methods=$config_methods" "$N"
332                 [ "$wps_pbc_in_m1" -gt 0 ] && append bss_conf "pbc_in_m1=$wps_pbc_in_m1" "$N"
333         }
334
335         append bss_conf "ssid=$ssid" "$N"
336         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
337         [ -n "$iapp_interface" ] && {
338                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
339                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
340         }
341
342         if [ "$wpa" -ge "2" ]; then
343                 if [ -n "$network_bridge" -a "$rsn_preauth" = 1 ]; then
344                         set_default auth_cache 1
345                         append bss_conf "rsn_preauth=1" "$N"
346                         append bss_conf "rsn_preauth_interfaces=$network_bridge" "$N"
347                 else
348                         set_default auth_cache 0
349                 fi
350
351                 append bss_conf "okc=$auth_cache" "$N"
352                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
353
354                 # RSN -> allow management frame protection
355                 json_get_var ieee80211w ieee80211w
356                 case "$ieee80211w" in
357                         [012])
358                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
359                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
360                                 [ "$ieee80211w" -gt "0" ] && {
361                                         [ -n "$ieee80211w_max_timeout" ] && \
362                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
363                                         [ -n "$ieee80211w_retry_timeout" ] && \
364                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
365                                 }
366                         ;;
367                 esac
368         fi
369
370         _macfile="/var/run/hostapd-$ifname.maclist"
371         case "$macfilter" in
372                 allow)
373                         append bss_conf "macaddr_acl=1" "$N"
374                         append bss_conf "accept_mac_file=$_macfile" "$N"
375                 ;;
376                 deny)
377                         append bss_conf "macaddr_acl=0" "$N"
378                         append bss_conf "deny_mac_file=$_macfile" "$N"
379                 ;;
380                 *)
381                         _macfile=""
382                 ;;
383         esac
384
385         [ -n "$_macfile" ] && {
386                 json_get_vars macfile
387                 json_get_values maclist maclist
388
389                 rm -f "$_macfile"
390                 (
391                         for mac in $maclist; do
392                                 echo "$mac"
393                         done
394                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
395                 ) > "$_macfile"
396         }
397
398         append "$var" "$bss_conf" "$N"
399         return 0
400 }
401
402 hostapd_set_log_options() {
403         local var="$1"
404
405         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
406         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
407
408         set_default log_level 2
409         set_default log_80211  1
410         set_default log_8021x  1
411         set_default log_radius 1
412         set_default log_wpa    1
413         set_default log_driver 1
414         set_default log_iapp   1
415         set_default log_mlme   1
416
417         local log_mask=$(( \
418                 ($log_80211  << 0) | \
419                 ($log_8021x  << 1) | \
420                 ($log_radius << 2) | \
421                 ($log_wpa    << 3) | \
422                 ($log_driver << 4) | \
423                 ($log_iapp   << 5) | \
424                 ($log_mlme   << 6)   \
425         ))
426
427         append "$var" "logger_syslog=$log_mask" "$N"
428         append "$var" "logger_syslog_level=$log_level" "$N"
429         append "$var" "logger_stdout=$log_mask" "$N"
430         append "$var" "logger_stdout_level=$log_level" "$N"
431
432         return 0
433 }
434
435 _wpa_supplicant_common() {
436         local ifname="$1"
437
438         _rpath="/var/run/wpa_supplicant"
439         _config="${_rpath}-$ifname.conf"
440 }
441
442 wpa_supplicant_teardown_interface() {
443         _wpa_supplicant_common "$1"
444         rm -rf "$_rpath/$1" "$_config"
445 }
446
447 wpa_supplicant_prepare_interface() {
448         local ifname="$1"
449         _w_driver="$2"
450
451         _wpa_supplicant_common "$1"
452
453         json_get_vars mode wds
454
455         [ -n "$network_bridge" ] && {
456                 fail=
457                 case "$mode" in
458                         adhoc)
459                                 fail=1
460                         ;;
461                         sta)
462                                 [ "$wds" = 1 ] || fail=1
463                         ;;
464                 esac
465
466                 [ -n "$fail" ] && {
467                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
468                         return 1
469                 }
470         }
471
472         local ap_scan=
473
474         _w_mode="$mode"
475         _w_modestr=
476
477         [[ "$mode" = adhoc ]] && {
478                 ap_scan="ap_scan=2"
479
480                 _w_modestr="mode=1"
481         }
482
483         wpa_supplicant_teardown_interface "$ifname"
484         cat > "$_config" <<EOF
485 $ap_scan
486 EOF
487         return 0
488 }
489
490 wpa_supplicant_add_network() {
491         local ifname="$1"
492
493         _wpa_supplicant_common "$1"
494         wireless_vif_parse_encryption
495
496         json_get_vars \
497                 ssid bssid key \
498                 basic_rate mcast_rate \
499                 ieee80211w
500
501         local key_mgmt='NONE'
502         local enc_str=
503         local network_data=
504         local T="       "
505
506         local wpa_key_mgmt="WPA-PSK"
507         local scan_ssid="1"
508         local freq
509
510         [[ "$_w_mode" = "adhoc" ]] && {
511                 append network_data "mode=1" "$N$T"
512                 [ -n "$channel" ] && {
513                         freq="$(get_freq "$phy" "$channel")"
514                         append network_data "fixed_freq=1" "$N$T"
515                         append network_data "frequency=$freq" "$N$T"
516                 }
517
518                 scan_ssid=0
519
520                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
521         }
522
523         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
524
525         case "$auth_type" in
526                 none) ;;
527                 wep)
528                         local wep_keyidx=0
529                         hostapd_append_wep_key network_data
530                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
531                 ;;
532                 psk)
533                         local passphrase
534
535                         key_mgmt="$wpa_key_mgmt"
536                         if [ ${#key} -eq 64 ]; then
537                                 passphrase="psk=${key}"
538                         else
539                                 passphrase="psk=\"${key}\""
540                         fi
541                         append network_data "$passphrase" "$N$T"
542                 ;;
543                 eap)
544                         key_mgmt='WPA-EAP'
545
546                         json_get_vars eap_type identity ca_cert
547                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
548                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
549                         case "$eap_type" in
550                                 tls)
551                                         json_get_vars client_cert priv_key priv_key_pwd
552                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
553                                         append network_data "private_key=\"$priv_key\"" "$N$T"
554                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
555                                 ;;
556                                 peap|ttls)
557                                         json_get_vars auth password
558                                         set_default auth MSCHAPV2
559                                         append network_data "phase2=\"$auth\"" "$N$T"
560                                         append network_data "password=\"$password\"" "$N$T"
561                                 ;;
562                         esac
563                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
564                 ;;
565         esac
566
567         case "$wpa" in
568                 1)
569                         append network_data "proto=WPA" "$N$T"
570                 ;;
571                 2)
572                         append network_data "proto=RSN" "$N$T"
573                 ;;
574         esac
575
576         case "$ieee80211w" in
577                 [012])
578                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
579                 ;;
580         esac
581
582         local beacon_int brates mrate
583         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
584         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
585
586         local bssid_blacklist bssid_whitelist
587         json_get_values bssid_blacklist bssid_blacklist
588         json_get_values bssid_whitelist bssid_whitelist
589
590         [ -n "$bssid_blacklist" ] && append network_data "bssid_blacklist=$bssid_blacklist" "$N$T"
591         [ -n "$bssid_whitelist" ] && append network_data "bssid_whitelist=$bssid_whitelist" "$N$T"
592
593         [ -n "$basic_rate" ] && {
594                 local br rate_list=
595                 for br in $basic_rate; do
596                         wpa_supplicant_add_rate rate_list "$br"
597                 done
598                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
599         }
600
601         [ -n "$mcast_rate" ] && {
602                 local mc_rate=
603                 wpa_supplicant_add_rate mc_rate "$mcast_rate"
604                 append network_data "mcast_rate=$mc_rate" "$N$T"
605         }
606
607         local ht_str
608         [[ "$_w_mode" = adhoc ]] || ibss_htmode=
609         [ -n "$ibss_htmode" ] && append network_data "htmode=$ibss_htmode" "$N$T"
610
611         cat >> "$_config" <<EOF
612 network={
613         scan_ssid=$scan_ssid
614         ssid="$ssid"
615         key_mgmt=$key_mgmt
616         $network_data
617 }
618 EOF
619         return 0
620 }
621
622 wpa_supplicant_run() {
623         local ifname="$1"; shift
624
625         _wpa_supplicant_common "$ifname"
626
627         /usr/sbin/wpa_supplicant -B \
628                 ${network_bridge:+-b $network_bridge} \
629                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
630                 -D ${_w_driver:-wext} \
631                 -i "$ifname" \
632                 -c "$_config" \
633                 -C "$_rpath" \
634                 "$@"
635
636         ret="$?"
637         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
638
639         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
640
641         return $ret
642 }
643
644 hostapd_common_cleanup() {
645         killall hostapd wpa_supplicant meshd-nl80211
646 }