26a255feb27cf29da352b3777b04dff58442b894
[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                                 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                         [ -n "$ownip" ] && append bss_conf "own_ip_addr=$ownip" "$N"
277                         append bss_conf "eapol_key_index_workaround=1" "$N"
278                         append bss_conf "ieee8021x=1" "$N"
279                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
280
281                         [ -n "$dynamic_vlan" ] && {
282                                 append bss_conf "dynamic_vlan=$dynamic_vlan" "$N"
283                                 append bss_conf "vlan_naming=$vlan_naming" "$N"
284                                 [ -n "$vlan_bridge" ] && \
285                                         append bss_conf "vlan_bridge=$vlan_bridge" "$N"
286                                 [ -n "$vlan_tagged_interface" ] && \
287                                         append bss_conf "vlan_tagged_interface=$vlan_tagged_interface" "$N"
288                         }
289                 ;;
290                 wep)
291                         local wep_keyidx=0
292                         json_get_vars key
293                         hostapd_append_wep_key bss_conf
294                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
295                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
296                 ;;
297         esac
298
299         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
300         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
301         append bss_conf "wpa=$wpa" "$N"
302         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
303
304         set_default wps_pushbutton 0
305         set_default wps_label 0
306         set_default wps_pbc_in_m1 0
307
308         config_methods=
309         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
310         [ "$wps_label" -gt 0 ] && append config_methods label
311
312         [ -n "$wps_possible" -a -n "$config_methods" ] && {
313                 set_default ext_registrar 0
314                 set_default wps_device_type "6-0050F204-1"
315                 set_default wps_device_name "OpenWrt AP"
316                 set_default wps_manufacturer "openwrt.org"
317
318                 wps_state=2
319                 [ -n "$wps_configured" ] && wps_state=1
320
321                 [ "$ext_registrar" -gt 0 -a -n "$network_bridge" ] && append bss_conf "upnp_iface=$network_bridge" "$N"
322
323                 append bss_conf "eap_server=1" "$N"
324                 [ -n "$wps_pin" ] && append bss_conf "ap_pin=$wps_pin" "$N"
325                 append bss_conf "wps_state=$wps_state" "$N"
326                 append bss_conf "ap_setup_locked=0" "$N"
327                 append bss_conf "device_type=$wps_device_type" "$N"
328                 append bss_conf "device_name=$wps_device_name" "$N"
329                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
330                 append bss_conf "config_methods=$config_methods" "$N"
331                 [ "$wps_pbc_in_m1" -gt 0 ] && append bss_conf "pbc_in_m1=$wps_pbc_in_m1" "$N"
332         }
333
334         append bss_conf "ssid=$ssid" "$N"
335         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
336         [ -n "$iapp_interface" ] && {
337                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
338                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
339         }
340
341         if [ "$wpa" -ge "1" ]; then
342                 json_get_vars nasid
343                 [ -n "$nasid" ] && append bss_conf "nas_identifier=$nasid" "$N"
344         fi
345
346         if [ "$wpa" -ge "2" ]; then
347                 if [ -n "$network_bridge" -a "$rsn_preauth" = 1 ]; then
348                         set_default auth_cache 1
349                         append bss_conf "rsn_preauth=1" "$N"
350                         append bss_conf "rsn_preauth_interfaces=$network_bridge" "$N"
351                 else
352                         set_default auth_cache 0
353                 fi
354
355                 append bss_conf "okc=$auth_cache" "$N"
356                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
357
358                 # RSN -> allow management frame protection
359                 json_get_var ieee80211w ieee80211w
360                 case "$ieee80211w" in
361                         [012])
362                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
363                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
364                                 [ "$ieee80211w" -gt "0" ] && {
365                                         [ -n "$ieee80211w_max_timeout" ] && \
366                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
367                                         [ -n "$ieee80211w_retry_timeout" ] && \
368                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
369                                 }
370                         ;;
371                 esac
372         fi
373
374         _macfile="/var/run/hostapd-$ifname.maclist"
375         case "$macfilter" in
376                 allow)
377                         append bss_conf "macaddr_acl=1" "$N"
378                         append bss_conf "accept_mac_file=$_macfile" "$N"
379                 ;;
380                 deny)
381                         append bss_conf "macaddr_acl=0" "$N"
382                         append bss_conf "deny_mac_file=$_macfile" "$N"
383                 ;;
384                 *)
385                         _macfile=""
386                 ;;
387         esac
388
389         [ -n "$_macfile" ] && {
390                 json_get_vars macfile
391                 json_get_values maclist maclist
392
393                 rm -f "$_macfile"
394                 (
395                         for mac in $maclist; do
396                                 echo "$mac"
397                         done
398                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
399                 ) > "$_macfile"
400         }
401
402         append "$var" "$bss_conf" "$N"
403         return 0
404 }
405
406 hostapd_set_log_options() {
407         local var="$1"
408
409         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
410         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
411
412         set_default log_level 2
413         set_default log_80211  1
414         set_default log_8021x  1
415         set_default log_radius 1
416         set_default log_wpa    1
417         set_default log_driver 1
418         set_default log_iapp   1
419         set_default log_mlme   1
420
421         local log_mask=$(( \
422                 ($log_80211  << 0) | \
423                 ($log_8021x  << 1) | \
424                 ($log_radius << 2) | \
425                 ($log_wpa    << 3) | \
426                 ($log_driver << 4) | \
427                 ($log_iapp   << 5) | \
428                 ($log_mlme   << 6)   \
429         ))
430
431         append "$var" "logger_syslog=$log_mask" "$N"
432         append "$var" "logger_syslog_level=$log_level" "$N"
433         append "$var" "logger_stdout=$log_mask" "$N"
434         append "$var" "logger_stdout_level=$log_level" "$N"
435
436         return 0
437 }
438
439 _wpa_supplicant_common() {
440         local ifname="$1"
441
442         _rpath="/var/run/wpa_supplicant"
443         _config="${_rpath}-$ifname.conf"
444 }
445
446 wpa_supplicant_teardown_interface() {
447         _wpa_supplicant_common "$1"
448         rm -rf "$_rpath/$1" "$_config"
449 }
450
451 wpa_supplicant_prepare_interface() {
452         local ifname="$1"
453         _w_driver="$2"
454
455         _wpa_supplicant_common "$1"
456
457         json_get_vars mode wds
458
459         [ -n "$network_bridge" ] && {
460                 fail=
461                 case "$mode" in
462                         adhoc)
463                                 fail=1
464                         ;;
465                         sta)
466                                 [ "$wds" = 1 ] || fail=1
467                         ;;
468                 esac
469
470                 [ -n "$fail" ] && {
471                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
472                         return 1
473                 }
474         }
475
476         local ap_scan=
477
478         _w_mode="$mode"
479         _w_modestr=
480
481         [[ "$mode" = adhoc ]] && {
482                 ap_scan="ap_scan=2"
483
484                 _w_modestr="mode=1"
485         }
486
487         wpa_supplicant_teardown_interface "$ifname"
488         cat > "$_config" <<EOF
489 $ap_scan
490 EOF
491         return 0
492 }
493
494 wpa_supplicant_add_network() {
495         local ifname="$1"
496
497         _wpa_supplicant_common "$1"
498         wireless_vif_parse_encryption
499
500         json_get_vars \
501                 ssid bssid key \
502                 basic_rate mcast_rate \
503                 ieee80211w
504
505         local key_mgmt='NONE'
506         local enc_str=
507         local network_data=
508         local T="       "
509
510         local wpa_key_mgmt="WPA-PSK"
511         local scan_ssid="1"
512         local freq
513
514         [[ "$_w_mode" = "adhoc" ]] && {
515                 append network_data "mode=1" "$N$T"
516                 [ -n "$channel" ] && {
517                         freq="$(get_freq "$phy" "$channel")"
518                         append network_data "fixed_freq=1" "$N$T"
519                         append network_data "frequency=$freq" "$N$T"
520                 }
521
522                 scan_ssid=0
523
524                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
525         }
526
527         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
528
529         case "$auth_type" in
530                 none) ;;
531                 wep)
532                         local wep_keyidx=0
533                         hostapd_append_wep_key network_data
534                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
535                 ;;
536                 psk)
537                         local passphrase
538
539                         key_mgmt="$wpa_key_mgmt"
540                         if [ ${#key} -eq 64 ]; then
541                                 passphrase="psk=${key}"
542                         else
543                                 passphrase="psk=\"${key}\""
544                         fi
545                         append network_data "$passphrase" "$N$T"
546                 ;;
547                 eap)
548                         key_mgmt='WPA-EAP'
549
550                         json_get_vars eap_type identity ca_cert
551                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
552                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
553                         case "$eap_type" in
554                                 tls)
555                                         json_get_vars client_cert priv_key priv_key_pwd
556                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
557                                         append network_data "private_key=\"$priv_key\"" "$N$T"
558                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
559                                 ;;
560                                 peap|ttls)
561                                         json_get_vars auth password
562                                         set_default auth MSCHAPV2
563                                         append network_data "phase2=\"$auth\"" "$N$T"
564                                         append network_data "password=\"$password\"" "$N$T"
565                                 ;;
566                         esac
567                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
568                 ;;
569         esac
570
571         case "$wpa" in
572                 1)
573                         append network_data "proto=WPA" "$N$T"
574                 ;;
575                 2)
576                         append network_data "proto=RSN" "$N$T"
577                 ;;
578         esac
579
580         case "$ieee80211w" in
581                 [012])
582                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
583                 ;;
584         esac
585
586         local beacon_int brates mrate
587         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
588         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
589
590         local bssid_blacklist bssid_whitelist
591         json_get_values bssid_blacklist bssid_blacklist
592         json_get_values bssid_whitelist bssid_whitelist
593
594         [ -n "$bssid_blacklist" ] && append network_data "bssid_blacklist=$bssid_blacklist" "$N$T"
595         [ -n "$bssid_whitelist" ] && append network_data "bssid_whitelist=$bssid_whitelist" "$N$T"
596
597         [ -n "$basic_rate" ] && {
598                 local br rate_list=
599                 for br in $basic_rate; do
600                         wpa_supplicant_add_rate rate_list "$br"
601                 done
602                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
603         }
604
605         [ -n "$mcast_rate" ] && {
606                 local mc_rate=
607                 wpa_supplicant_add_rate mc_rate "$mcast_rate"
608                 append network_data "mcast_rate=$mc_rate" "$N$T"
609         }
610
611         local ht_str
612         [[ "$_w_mode" = adhoc ]] || ibss_htmode=
613         [ -n "$ibss_htmode" ] && append network_data "htmode=$ibss_htmode" "$N$T"
614
615         cat >> "$_config" <<EOF
616 network={
617         scan_ssid=$scan_ssid
618         ssid="$ssid"
619         key_mgmt=$key_mgmt
620         $network_data
621 }
622 EOF
623         return 0
624 }
625
626 wpa_supplicant_run() {
627         local ifname="$1"; shift
628
629         _wpa_supplicant_common "$ifname"
630
631         /usr/sbin/wpa_supplicant -B \
632                 ${network_bridge:+-b $network_bridge} \
633                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
634                 -D ${_w_driver:-wext} \
635                 -i "$ifname" \
636                 -c "$_config" \
637                 -C "$_rpath" \
638                 "$@"
639
640         ret="$?"
641         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
642
643         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
644
645         return $ret
646 }
647
648 hostapd_common_cleanup() {
649         killall hostapd wpa_supplicant meshd-nl80211
650 }