b1036be7a02cd110a9b77de6c822827c7c557d21
[openwrt.git] / 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
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
231                         # legacy compatibility
232                         [ -n "$auth_server" ] || json_get_var auth_server server
233                         [ -n "$auth_port" ] || json_get_var auth_port port
234                         [ -n "$auth_secret" ] || json_get_var auth_secret key
235
236                         set_default auth_port 1812
237                         set_default acct_port 1813
238                         set_default dae_port 3799
239
240                         set_default vlan_naming 1
241
242                         append bss_conf "auth_server_addr=$auth_server" "$N"
243                         append bss_conf "auth_server_port=$auth_port" "$N"
244                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
245
246                         [ -n "$acct_server" ] && {
247                                 append bss_conf "acct_server_addr=$acct_server" "$N"
248                                 append bss_conf "acct_server_port=$acct_port" "$N"
249                                 [ -n "$acct_secret" ] && \
250                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
251                         }
252
253                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
254
255                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
256                                 append bss_conf "radius_das_port=$dae_port" "$N"
257                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
258                         }
259
260                         append bss_conf "nas_identifier=$nasid" "$N"
261                         [ -n "$ownip" ] && append bss_conf "own_ip_addr=$ownip" "$N"
262                         append bss_conf "eapol_key_index_workaround=1" "$N"
263                         append bss_conf "ieee8021x=1" "$N"
264                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
265
266                         [ -n "$dynamic_vlan" ] && {
267                                 append bss_conf "dynamic_vlan=$dynamic_vlan" "$N"
268                                 append bss_conf "vlan_naming=$vlan_naming" "$N"
269                                 [ -n "$vlan_tagged_interface" ] && \
270                                         append bss_conf "vlan_tagged_interface=$vlan_tagged_interface" "$N"
271                         }
272                 ;;
273                 wep)
274                         local wep_keyidx=0
275                         json_get_vars key
276                         hostapd_append_wep_key bss_conf
277                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
278                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
279                 ;;
280         esac
281
282         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
283         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
284         append bss_conf "wpa=$wpa" "$N"
285         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
286
287         set_default wps_pushbutton 0
288         set_default wps_label 0
289         set_default wps_pbc_in_m1 0
290
291         config_methods=
292         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
293         [ "$wps_label" -gt 0 ] && append config_methods label
294
295         [ -n "$wps_possible" -a -n "$config_methods" ] && {
296                 set_default ext_registrar 0
297                 set_default wps_device_type "6-0050F204-1"
298                 set_default wps_device_name "OpenWrt AP"
299                 set_default wps_manufacturer "openwrt.org"
300
301                 wps_state=2
302                 [ -n "$wps_configured" ] && wps_state=1
303
304                 [ "$ext_registrar" -gt 0 -a -n "$network_bridge" ] && append bss_conf "upnp_iface=$network_bridge" "$N"
305
306                 append bss_conf "eap_server=1" "$N"
307                 [ -n "$wps_pin" ] && append bss_conf "ap_pin=$wps_pin" "$N"
308                 append bss_conf "wps_state=$wps_state" "$N"
309                 append bss_conf "ap_setup_locked=0" "$N"
310                 append bss_conf "device_type=$wps_device_type" "$N"
311                 append bss_conf "device_name=$wps_device_name" "$N"
312                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
313                 append bss_conf "config_methods=$config_methods" "$N"
314                 [ "$wps_pbc_in_m1" -gt 0 ] && append bss_conf "pbc_in_m1=$wps_pbc_in_m1" "$N"
315         }
316
317         append bss_conf "ssid=$ssid" "$N"
318         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
319         [ -n "$iapp_interface" ] && {
320                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
321                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
322         }
323
324         if [ "$wpa" -ge "2" ]; then
325                 if [ -n "$network_bridge" -a "$rsn_preauth" = 1 ]; then
326                         set_default auth_cache 1
327                         append bss_conf "rsn_preauth=1" "$N"
328                         append bss_conf "rsn_preauth_interfaces=$network_bridge" "$N"
329                 else
330                         set_default auth_cache 0
331                 fi
332
333                 append bss_conf "okc=$auth_cache" "$N"
334                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
335
336                 # RSN -> allow management frame protection
337                 json_get_var ieee80211w ieee80211w
338                 case "$ieee80211w" in
339                         [012])
340                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
341                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
342                                 [ "$ieee80211w" -gt "0" ] && {
343                                         [ -n "$ieee80211w_max_timeout" ] && \
344                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
345                                         [ -n "$ieee80211w_retry_timeout" ] && \
346                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
347                                 }
348                         ;;
349                 esac
350         fi
351
352         _macfile="/var/run/hostapd-$ifname.maclist"
353         case "$macfilter" in
354                 allow)
355                         append bss_conf "macaddr_acl=1" "$N"
356                         append bss_conf "accept_mac_file=$_macfile" "$N"
357                 ;;
358                 deny)
359                         append bss_conf "macaddr_acl=0" "$N"
360                         append bss_conf "deny_mac_file=$_macfile" "$N"
361                 ;;
362                 *)
363                         _macfile=""
364                 ;;
365         esac
366
367         [ -n "$_macfile" ] && {
368                 json_get_vars macfile
369                 json_get_values maclist maclist
370
371                 rm -f "$_macfile"
372                 (
373                         for mac in $maclist; do
374                                 echo "$mac"
375                         done
376                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
377                 ) > "$_macfile"
378         }
379
380         append "$var" "$bss_conf" "$N"
381         return 0
382 }
383
384 hostapd_set_log_options() {
385         local var="$1"
386
387         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
388         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
389
390         set_default log_level 2
391         set_default log_80211  1
392         set_default log_8021x  1
393         set_default log_radius 1
394         set_default log_wpa    1
395         set_default log_driver 1
396         set_default log_iapp   1
397         set_default log_mlme   1
398
399         local log_mask=$(( \
400                 ($log_80211  << 0) | \
401                 ($log_8021x  << 1) | \
402                 ($log_radius << 2) | \
403                 ($log_wpa    << 3) | \
404                 ($log_driver << 4) | \
405                 ($log_iapp   << 5) | \
406                 ($log_mlme   << 6)   \
407         ))
408
409         append "$var" "logger_syslog=$log_mask" "$N"
410         append "$var" "logger_syslog_level=$log_level" "$N"
411         append "$var" "logger_stdout=$log_mask" "$N"
412         append "$var" "logger_stdout_level=$log_level" "$N"
413
414         return 0
415 }
416
417 _wpa_supplicant_common() {
418         local ifname="$1"
419
420         _rpath="/var/run/wpa_supplicant"
421         _config="${_rpath}-$ifname.conf"
422 }
423
424 wpa_supplicant_teardown_interface() {
425         _wpa_supplicant_common "$1"
426         rm -rf "$_rpath/$1" "$_config"
427 }
428
429 wpa_supplicant_prepare_interface() {
430         local ifname="$1"
431         _w_driver="$2"
432
433         _wpa_supplicant_common "$1"
434
435         json_get_vars mode wds
436
437         [ -n "$network_bridge" ] && {
438                 fail=
439                 case "$mode" in
440                         adhoc)
441                                 fail=1
442                         ;;
443                         sta)
444                                 [ "$wds" = 1 ] || fail=1
445                         ;;
446                 esac
447
448                 [ -n "$fail" ] && {
449                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
450                         return 1
451                 }
452         }
453
454         local ap_scan=
455
456         _w_mode="$mode"
457         _w_modestr=
458
459         [[ "$mode" = adhoc ]] && {
460                 ap_scan="ap_scan=2"
461
462                 _w_modestr="mode=1"
463         }
464
465         wpa_supplicant_teardown_interface "$ifname"
466         cat > "$_config" <<EOF
467 $ap_scan
468 EOF
469         return 0
470 }
471
472 wpa_supplicant_add_network() {
473         local ifname="$1"
474
475         _wpa_supplicant_common "$1"
476         wireless_vif_parse_encryption
477
478         json_get_vars \
479                 ssid bssid key \
480                 basic_rate mcast_rate \
481                 ieee80211w
482
483         local key_mgmt='NONE'
484         local enc_str=
485         local network_data=
486         local T="       "
487
488         local wpa_key_mgmt="WPA-PSK"
489         local scan_ssid="1"
490         local freq
491
492         [[ "$_w_mode" = "adhoc" ]] && {
493                 append network_data "mode=1" "$N$T"
494                 [ -n "$channel" ] && {
495                         freq="$(get_freq "$phy" "$channel")"
496                         append network_data "fixed_freq=1" "$N$T"
497                         append network_data "frequency=$freq" "$N$T"
498                 }
499
500                 scan_ssid=0
501
502                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
503         }
504
505         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
506
507         case "$auth_type" in
508                 none) ;;
509                 wep)
510                         local wep_keyidx=0
511                         hostapd_append_wep_key network_data
512                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
513                 ;;
514                 psk)
515                         local passphrase
516
517                         key_mgmt="$wpa_key_mgmt"
518                         if [ ${#key} -eq 64 ]; then
519                                 passphrase="psk=${key}"
520                         else
521                                 passphrase="psk=\"${key}\""
522                         fi
523                         append network_data "$passphrase" "$N$T"
524                 ;;
525                 eap)
526                         key_mgmt='WPA-EAP'
527
528                         json_get_vars eap_type identity ca_cert
529                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
530                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
531                         case "$eap_type" in
532                                 tls)
533                                         json_get_vars client_cert priv_key priv_key_pwd
534                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
535                                         append network_data "private_key=\"$priv_key\"" "$N$T"
536                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
537                                 ;;
538                                 peap|ttls)
539                                         json_get_vars auth password
540                                         set_default auth MSCHAPV2
541                                         append network_data "phase2=\"$auth\"" "$N$T"
542                                         append network_data "password=\"$password\"" "$N$T"
543                                 ;;
544                         esac
545                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
546                 ;;
547         esac
548
549         case "$wpa" in
550                 1)
551                         append network_data "proto=WPA" "$N$T"
552                 ;;
553                 2)
554                         append network_data "proto=RSN" "$N$T"
555                 ;;
556         esac
557
558         case "$ieee80211w" in
559                 [012])
560                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
561                 ;;
562         esac
563
564         local beacon_int brates mrate
565         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
566         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
567
568
569         [ -n "$basic_rate" ] && {
570                 local br rate_list=
571                 for br in $basic_rate; do
572                         hostapd_add_rate rate_list "$br"
573                 done
574                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
575         }
576
577         [ -n "$mcast_rate" ] && {
578                 local mc_rate=
579                 hostapd_add_rate mc_rate "$mcast_rate"
580                 append network_data "mcast_rate=$mc_rate" "$N$T"
581         }
582
583         local ht_str
584         [ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
585
586         cat >> "$_config" <<EOF
587 network={
588         scan_ssid=$scan_ssid
589         ssid="$ssid"
590         key_mgmt=$key_mgmt
591         $network_data
592 }
593 EOF
594         return 0
595 }
596
597 wpa_supplicant_run() {
598         local ifname="$1"; shift
599
600         _wpa_supplicant_common "$ifname"
601
602         /usr/sbin/wpa_supplicant -B \
603                 ${network_bridge:+-b $network_bridge} \
604                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
605                 -D ${_w_driver:-wext} \
606                 -i "$ifname" \
607                 -c "$_config" \
608                 -C "$_rpath" \
609                 "$@"
610
611         ret="$?"
612         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
613
614         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
615
616         return $ret
617 }
618
619 hostapd_common_cleanup() {
620         killall hostapd wpa_supplicant meshd-nl80211
621 }