ab31361ebb09cc5c03b179f726e1447a22ca1c74
[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
56         hostapd_add_log_config
57 }
58
59 hostapd_prepare_device_config() {
60         local config="$1"
61         local driver="$2"
62
63         local base="${config%%.conf}"
64         local base_cfg=
65
66         json_get_vars country country_ie beacon_int doth
67
68         hostapd_set_log_options base_cfg
69
70         set_default country_ie 1
71         set_default doth 1
72
73         [ -n "$country" ] && {
74                 append base_cfg "country_code=$country" "$N"
75
76                 [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
77                 [ "$hwmode" = "a" -a "$doth" -gt 0 ] && append base_cfg "ieee80211h=1" "$N"
78         }
79         [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
80
81         local brlist= br
82         json_get_values basic_rate_list basic_rate
83         for br in $basic_rate_list; do
84                 hostapd_add_basic_rate brlist "$br"
85         done
86         [ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
87         [ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
88
89         cat > "$config" <<EOF
90 driver=$driver
91 $base_cfg
92 EOF
93 }
94
95 hostapd_common_add_bss_config() {
96         config_add_string 'bssid:macaddr' 'ssid:string'
97         config_add_boolean wds wmm hidden
98
99         config_add_int maxassoc max_inactivity
100         config_add_boolean disassoc_low_ack isolate short_preamble
101
102         config_add_int \
103                 wep_rekey eap_reauth_period \
104                 wpa_group_rekey wpa_pair_rekey wpa_master_rekey
105
106         config_add_boolean rsn_preauth auth_cache
107         config_add_int ieee80211w
108
109         config_add_string 'auth_server:host' 'server:host'
110         config_add_string auth_secret
111         config_add_int 'auth_port:port' 'port:port'
112
113         config_add_string acct_server
114         config_add_string acct_secret
115         config_add_int acct_port
116
117         config_add_string dae_client
118         config_add_string dae_secret
119         config_add_int dae_port
120
121         config_add_string nasid
122         config_add_string iapp_interface
123         config_add_string eap_type ca_cert client_cert identity auth priv_key priv_key_pwd
124
125         config_add_string 'key1:wepkey' 'key2:wepkey' 'key3:wepkey' 'key4:wepkey' 'password:wpakey'
126
127         config_add_boolean wps_pushbutton wps_label ext_registrar wps_pbc_in_m1
128         config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
129
130         config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
131
132         config_add_string macfilter 'macfile:file'
133         config_add_array 'maclist:list(macaddr)'
134
135         config_add_int mcast_rate
136         config_add_array basic_rate
137 }
138
139 hostapd_set_bss_options() {
140         local var="$1"
141         local phy="$2"
142         local vif="$3"
143
144         wireless_vif_parse_encryption
145
146         local bss_conf
147         local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
148
149         json_get_vars \
150                 wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
151                 maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
152                 wps_pushbutton wps_label ext_registrar wps_pbc_in_m1 \
153                 wps_device_type wps_device_name wps_manufacturer wps_pin \
154                 macfilter ssid wmm hidden short_preamble
155
156         set_default isolate 0
157         set_default maxassoc 0
158         set_default max_inactivity 0
159         set_default short_preamble 1
160         set_default disassoc_low_ack 1
161         set_default hidden 0
162         set_default wmm 1
163
164         append bss_conf "ctrl_interface=/var/run/hostapd"
165         if [ "$isolate" -gt 0 ]; then
166                 append bss_conf "ap_isolate=$isolate" "$N"
167         fi
168         if [ "$maxassoc" -gt 0 ]; then
169                 append bss_conf "max_num_sta=$maxassoc" "$N"
170         fi
171         if [ "$max_inactivity" -gt 0 ]; then
172                 append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
173         fi
174
175         append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
176         append bss_conf "preamble=$short_preamble" "$N"
177         append bss_conf "wmm_enabled=$wmm" "$N"
178         append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
179
180         [ "$wpa" -gt 0 ] && {
181                 [ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
182                 [ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
183                 [ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
184         }
185
186         case "$auth_type" in
187                 none)
188                         wps_possible=1
189                         # Here we make the assumption that if we're in open mode
190                         # with WPS enabled, we got to be in unconfigured state.
191                         wps_not_configured=1
192                 ;;
193                 psk)
194                         json_get_vars key
195                         if [ ${#key} -lt 8 ]; then
196                                 wireless_setup_vif_failed INVALID_WPA_PSK
197                                 return 1
198                         elif [ ${#key} -eq 64 ]; then
199                                 append bss_conf "wpa_psk=$key" "$N"
200                         else
201                                 append bss_conf "wpa_passphrase=$key" "$N"
202                         fi
203                         wps_possible=1
204                 ;;
205                 eap)
206                         json_get_vars \
207                                 auth_server auth_secret auth_port \
208                                 acct_server acct_secret acct_port \
209                                 dae_client dae_secret dae_port \
210                                 nasid rsn_preauth iapp_interface \
211                                 eap_reauth_period
212
213                         # legacy compatibility
214                         [ -n "$auth_server" ] || json_get_var auth_server server
215                         [ -n "$auth_port" ] || json_get_var auth_port port
216                         [ -n "$auth_secret" ] || json_get_var auth_secret key
217
218                         set_default auth_port 1812
219                         set_default acct_port 1813
220                         set_default dae_port 3799
221
222                         append bss_conf "auth_server_addr=$auth_server" "$N"
223                         append bss_conf "auth_server_port=$auth_port" "$N"
224                         append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
225
226                         [ -n "$acct_server" ] && {
227                                 append bss_conf "acct_server_addr=$acct_server" "$N"
228                                 append bss_conf "acct_server_port=$acct_port" "$N"
229                                 [ -n "$acct_secret" ] && \
230                                         append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
231                         }
232
233                         [ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
234
235                         [ -n "$dae_client" -a -n "$dae_secret" ] && {
236                                 append bss_conf "radius_das_port=$dae_port" "$N"
237                                 append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
238                         }
239
240                         append bss_conf "nas_identifier=$nasid" "$N"
241                         append bss_conf "eapol_key_index_workaround=1" "$N"
242                         append bss_conf "ieee8021x=1" "$N"
243                         append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
244                 ;;
245                 wep)
246                         local wep_keyidx=0
247                         json_get_vars key
248                         hostapd_append_wep_key bss_conf
249                         append bss_conf "wep_default_key=$wep_keyidx" "$N"
250                         [ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
251                 ;;
252         esac
253
254         local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
255         append bss_conf "auth_algs=${auth_algs:-1}" "$N"
256         append bss_conf "wpa=$wpa" "$N"
257         [ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
258
259         set_default wps_pushbutton 0
260         set_default wps_label 0
261         set_default wps_pbc_in_m1 0
262
263         config_methods=
264         [ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
265         [ "$wps_label" -gt 0 ] && append config_methods label
266
267         [ -n "$wps_possible" -a -n "$config_methods" ] && {
268                 set_default ext_registrar 0
269                 set_default wps_device_type "6-0050F204-1"
270                 set_default wps_device_name "OpenWrt AP"
271                 set_default wps_manufacturer "openwrt.org"
272                 set_default wps_pin "12345670"
273
274                 wps_state=2
275                 [ -n "$wps_configured" ] && wps_state=1
276
277                 [ "$ext_registrar" -gt 0 -a -n "$bridge" ] && append bss_conf "upnp_iface=$bridge" "$N"
278
279                 append bss_conf "eap_server=1" "$N"
280                 append bss_conf "ap_pin=$wps_pin" "$N"
281                 append bss_conf "wps_state=$wps_state" "$N"
282                 append bss_conf "ap_setup_locked=0" "$N"
283                 append bss_conf "device_type=$wps_device_type" "$N"
284                 append bss_conf "device_name=$wps_device_name" "$N"
285                 append bss_conf "manufacturer=$wps_manufacturer" "$N"
286                 append bss_conf "config_methods=$config_methods" "$N"
287                 [ "$wps_pbc_in_m1" -gt 0 ] && append bss_conf "pbc_in_m1=$wps_pbc_in_m1" "$N"
288         }
289
290         append bss_conf "ssid=$ssid" "$N"
291         [ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
292         [ -n "$iapp_interface" ] &&  {
293                 iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
294                 [ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
295         }
296
297         if [ "$wpa" -ge "2" ]; then
298                 if [ -n "$bridge" -a "$rsn_preauth" = 1 ]; then
299                         set_default auth_cache 1
300                         append bss_conf "rsn_preauth=1" "$N"
301                         append bss_conf "rsn_preauth_interfaces=$bridge" "$N"
302                 else
303                         set_default auth_cache 0
304                 fi
305
306                 append bss_conf "okc=$auth_cache" "$N"
307                 [ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
308
309                 # RSN -> allow management frame protection
310                 json_get_var ieee80211w ieee80211w
311                 case "$ieee80211w" in
312                         [012])
313                                 json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
314                                 append bss_conf "ieee80211w=$ieee80211w" "$N"
315                                 [ "$ieee80211w" -gt "0" ] && {
316                                         [ -n "$ieee80211w_max_timeout" ] && \
317                                                 append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
318                                         [ -n "$ieee80211w_retry_timeout" ] && \
319                                                 append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
320                                 }
321                         ;;
322                 esac
323         fi
324
325         _macfile="/var/run/hostapd-$ifname.maclist"
326         case "$macfilter" in
327                 allow)
328                         append bss_conf "macaddr_acl=1" "$N"
329                         append bss_conf "accept_mac_file=$_macfile" "$N"
330                 ;;
331                 deny)
332                         append bss_conf "macaddr_acl=0" "$N"
333                         append bss_conf "deny_mac_file=$_macfile" "$N"
334                 ;;
335                 *)
336                         _macfile=""
337                 ;;
338         esac
339
340         [ -n "$_macfile" ] && {
341                 json_get_vars macfile
342                 json_get_values maclist maclist
343
344                 rm -f "$_macfile"
345                 (
346                         for mac in $maclist; do
347                                 echo "$mac"
348                         done
349                         [ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
350                 ) > "$_macfile"
351         }
352
353         append "$var" "$bss_conf" "$N"
354         return 0
355 }
356
357 hostapd_set_log_options() {
358         local var="$1"
359
360         local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
361         json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
362
363         set_default log_level 2
364         set_default log_80211  1
365         set_default log_8021x  1
366         set_default log_radius 1
367         set_default log_wpa    1
368         set_default log_driver 1
369         set_default log_iapp   1
370         set_default log_mlme   1
371
372         local log_mask=$((       \
373                 ($log_80211  << 0) | \
374                 ($log_8021x  << 1) | \
375                 ($log_radius << 2) | \
376                 ($log_wpa    << 3) | \
377                 ($log_driver << 4) | \
378                 ($log_iapp   << 5) | \
379                 ($log_mlme   << 6)   \
380         ))
381
382         append "$var" "logger_syslog=$log_mask" "$N"
383         append "$var" "logger_syslog_level=$log_level" "$N"
384         append "$var" "logger_stdout=$log_mask" "$N"
385         append "$var" "logger_stdout_level=$log_level" "$N"
386
387         return 0
388 }
389
390 _wpa_supplicant_common() {
391         local ifname="$1"
392
393         _rpath="/var/run/wpa_supplicant"
394         _config="${_rpath}-$ifname.conf"
395 }
396
397 wpa_supplicant_teardown_interface() {
398         _wpa_supplicant_common "$1"
399         rm -rf "$_rpath" "$_config"
400 }
401
402 wpa_supplicant_prepare_interface() {
403         local ifname="$1"
404         _w_driver="$2"
405
406         _wpa_supplicant_common "$1"
407
408         json_get_vars mode wds
409
410         [ -n "$network_bridge" ] && {
411                 fail=
412                 case "$mode" in
413                         adhoc)
414                                 fail=1
415                         ;;
416                         sta)
417                                 [ "$wds" = 1 ] || fail=1
418                         ;;
419                 esac
420
421                 [ -n "$fail" ] && {
422                         wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
423                         return 1
424                 }
425         }
426
427         local ap_scan=
428
429         _w_mode="$mode"
430         _w_modestr=
431
432         [[ "$mode" = adhoc ]] && {
433                 ap_scan="ap_scan=2"
434
435                 _w_modestr="mode=1"
436         }
437
438         wpa_supplicant_teardown_interface "$ifname"
439         cat > "$_config" <<EOF
440 $ap_scan
441 EOF
442         return 0
443 }
444
445 wpa_supplicant_add_network() {
446         local ifname="$1"
447
448         _wpa_supplicant_common "$1"
449         wireless_vif_parse_encryption
450
451         json_get_vars \
452                 ssid bssid key \
453                 basic_rate mcast_rate \
454                 ieee80211w
455
456         local key_mgmt='NONE'
457         local enc_str=
458         local network_data=
459         local T="       "
460
461         local wpa_key_mgmt="WPA-PSK"
462         local scan_ssid="1"
463         local freq
464
465         [[ "$_w_mode" = "adhoc" ]] && {
466                 append network_data "mode=1" "$N$T"
467                 [ -n "$channel" ] && {
468                         freq="$(get_freq "$phy" "$channel")"
469                         append network_data "fixed_freq=1" "$N$T"
470                         append network_data "frequency=$freq" "$N$T"
471                 }
472
473                 scan_ssid=0
474
475                 [ "$_w_driver" = "nl80211" ] || wpa_key_mgmt="WPA-NONE"
476         }
477
478         [[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
479
480         case "$auth_type" in
481                 none) ;;
482                 wep)
483                         local wep_keyidx=0
484                         hostapd_append_wep_key network_data
485                         append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
486                 ;;
487                 psk)
488                         local passphrase
489
490                         key_mgmt="$wpa_key_mgmt"
491                         if [ ${#key} -eq 64 ]; then
492                                 passphrase="psk=${key}"
493                         else
494                                 passphrase="psk=\"${key}\""
495                         fi
496                         append network_data "$passphrase" "$N$T"
497                 ;;
498                 eap)
499                         key_mgmt='WPA-EAP'
500
501                         json_get_vars eap_type identity ca_cert
502                         [ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
503                         [ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
504                         case "$eap_type" in
505                                 tls)
506                                         json_get_vars client_cert priv_key priv_key_pwd
507                                         append network_data "client_cert=\"$client_cert\"" "$N$T"
508                                         append network_data "private_key=\"$priv_key\"" "$N$T"
509                                         append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
510                                 ;;
511                                 peap|ttls)
512                                         json_get_vars auth password
513                                         set_default auth MSCHAPV2
514                                         append network_data "phase2=\"$auth\"" "$N$T"
515                                         append network_data "password=\"$password\"" "$N$T"
516                                 ;;
517                         esac
518                         append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
519                 ;;
520         esac
521
522         case "$wpa" in
523                 1)
524                         append network_data "proto=WPA" "$N$T"
525                 ;;
526                 2)
527                         append network_data "proto=RSN" "$N$T"
528                 ;;
529         esac
530
531         case "$ieee80211w" in
532                 [012])
533                         [ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
534                 ;;
535         esac
536
537         local beacon_int brates mrate
538         [ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
539         [ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
540
541
542         [ -n "$basic_rate" ] && {
543                 local br rate_list=
544                 for br in $basic_rate; do
545                         hostapd_add_rate rate_list "$br"
546                 done
547                 [ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
548         }
549
550         [ -n "$mcast_rate" ] && {
551                 local mc_rate=
552                 hostapd_add_rate mc_rate "$mcast_rate"
553                 append network_data "mcast_rate=$mc_rate" "$N$T"
554         }
555
556         local ht_str
557         [ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
558
559         cat >> "$_config" <<EOF
560 network={
561         scan_ssid=$scan_ssid
562         ssid="$ssid"
563         key_mgmt=$key_mgmt
564         $network_data
565 }
566 EOF
567         return 0
568 }
569
570 wpa_supplicant_run() {
571         local ifname="$1"; shift
572
573         _wpa_supplicant_common "$ifname"
574
575         /usr/sbin/wpa_supplicant -B \
576                 ${network_bridge:+-b $network_bridge} \
577                 -P "/var/run/wpa_supplicant-${ifname}.pid" \
578                 -D ${_w_driver:-wext} \
579                 -i "$ifname" \
580                 -c "$_config" \
581                 -C "$_rpath" \
582                 "$@"
583
584         ret="$?"
585         wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
586
587         [ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
588
589         return $ret
590 }
591
592 hostapd_common_cleanup() {
593         killall hostapd wpa_supplicant meshd-nl80211
594 }