blob: e25e870aa24c1208c85c826789043eb3e01c35fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
hostapd_set_bss_options() {
local var="$1"
local vif="$2"
local enc wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wps_possible
config_get enc "$vif" encryption
config_get wep_rekey "$vif" wep_rekey # 300
config_get wpa_group_rekey "$vif" wpa_group_rekey # 300
config_get wpa_pair_rekey "$vif" wpa_pair_rekey # 300
config_get wpa_master_rekey "$vif" wpa_master_rekey # 640
config_get_bool ap_isolate "$vif" isolate 0
config_get_bool disassoc_low_ack "$vif" disassoc_low_ack 1
config_get max_num_sta "$vif" max_num_sta 0
config_get max_inactivity "$vif" max_inactivity 0
config_get_bool preamble "$vif" short_preamble 1
config_get device "$vif" device
config_get hwmode "$device" hwmode
config_get phy "$device" phy
append "$var" "ctrl_interface=/var/run/hostapd-$phy" "$N"
if [ "$ap_isolate" -gt 0 ]; then
append "$var" "ap_isolate=$ap_isolate" "$N"
fi
if [ "$max_num_sta" -gt 0 ]; then
append "$var" "max_num_sta=$max_num_sta" "$N"
fi
if [ "$max_inactivity" -gt 0 ]; then
append "$var" "ap_max_inactivity=$max_inactivity" "$N"
fi
append "$var" "disassoc_low_ack=$disassoc_low_ack" "$N"
if [ "$preamble" -gt 0 ]; then
append "$var" "preamble=$preamble" "$N"
fi
# Examples:
# psk-mixed/tkip => WPA1+2 PSK, TKIP
# wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
# wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
# ...
# TODO: move this parsing function somewhere generic, so that
# later it can be reused by drivers that don't use hostapd
# crypto defaults: WPA2 vs WPA1
case "$enc" in
wpa2*|*psk2*)
wpa=2
crypto="CCMP"
;;
*mixed*)
wpa=3
crypto="CCMP TKIP"
;;
*)
wpa=1
crypto="TKIP"
;;
esac
# explicit override for crypto setting
case "$enc" in
*tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) crypto="CCMP TKIP";;
*aes|*ccmp) crypto="CCMP";;
*tkip) crypto="TKIP";;
esac
# enforce CCMP for 11ng and 11na
case "$hwmode:$crypto" in
*ng:TKIP|*na:TKIP) crypto="CCMP TKIP";;
esac
# use crypto/auth settings for building the hostapd config
case "$enc" in
*psk*)
config_get psk "$vif" key
if [ ${#psk} -eq 64 ]; then
append "$var" "wpa_psk=$psk" "$N"
else
append "$var" "wpa_passphrase=$psk" "$N"
fi
wps_possible=1
[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
[ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
[ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N"
;;
*wpa*)
# required fields? formats?
# hostapd is particular, maybe a default configuration for failures
config_get auth_server "$vif" auth_server
[ -z "$auth_server" ] && config_get auth_server "$vif" server
append "$var" "auth_server_addr=$auth_server" "$N"
config_get auth_port "$vif" auth_port
[ -z "$auth_port" ] && config_get auth_port "$vif" port
auth_port=${auth_port:-1812}
append "$var" "auth_server_port=$auth_port" "$N"
config_get auth_secret "$vif" auth_secret
[ -z "$auth_secret" ] && config_get auth_secret "$vif" key
append "$var" "auth_server_shared_secret=$auth_secret" "$N"
config_get_bool auth_cache "$vif" auth_cache 0
[ "$auth_cache" -gt 0 ] || append "$var" "disable_pmksa_caching=1" "$N"
[ "$auth_cache" -gt 0 ] || append "$var" "okc=0" "$N"
config_get acct_server "$vif" acct_server
[ -n "$acct_server" ] && append "$var" "acct_server_addr=$acct_server" "$N"
config_get acct_port "$vif" acct_port
[ -n "$acct_port" ] && acct_port=${acct_port:-1813}
[ -n "$acct_port" ] && append "$var" "acct_server_port=$acct_port" "$N"
config_get acct_secret "$vif" acct_secret
[ -n "$acct_secret" ] && append "$var" "acct_server_shared_secret=$acct_secret" "$N"
config_get dae_client "$vif" dae_client
config_get dae_secret "$vif" dae_secret
[ -n "$dae_client" -a -n "$dae_secret" ] && {
config_get dae_port "$vif" dae_port
append "$var" "radius_das_port=${dae_port:-3799}" "$N"
append "$var" "radius_das_client=$dae_client $dae_secret" "$N"
}
config_get nasid "$vif" nasid
append "$var" "nas_identifier=$nasid" "$N"
append "$var" "eapol_key_index_workaround=1" "$N"
append "$var" "ieee8021x=1" "$N"
append "$var" "wpa_key_mgmt=WPA-EAP" "$N"
[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
[ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
[ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N"
;;
*wep*)
config_get key "$vif" key
key="${key:-1}"
case "$key" in
[1234])
for idx in 1 2 3 4; do
local zidx
zidx=$(($idx - 1))
config_get ckey "$vif" "key${idx}"
[ -n "$ckey" ] && \
append "$var" "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N"
done
append "$var" "wep_default_key=$((key - 1))" "$N"
;;
*)
append "$var" "wep_key0=$(prepare_key_wep "$key")" "$N"
append "$var" "wep_default_key=0" "$N"
[ -n "$wep_rekey" ] && append "$var" "wep_rekey_period=$wep_rekey" "$N"
;;
esac
case "$enc" in
*shared*)
auth_algs=2
;;
*mixed*)
auth_algs=3
;;
esac
wpa=0
crypto=
;;
*)
wpa=0
crypto=
;;
esac
append "$var" "auth_algs=${auth_algs:-1}" "$N"
append "$var" "wpa=$wpa" "$N"
[ -n "$crypto" ] && append "$var" "wpa_pairwise=$crypto" "$N"
[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
config_get ssid "$vif" ssid
config_get bridge "$vif" bridge
config_get ieee80211d "$vif" ieee80211d
config_get iapp_interface "$vif" iapp_interface
config_get_bool wps_pbc "$vif" wps_pushbutton 0
config_get_bool wps_label "$vif" wps_label 0
config_get config_methods "$vif" wps_config
[ "$wps_pbc" -gt 0 ] && append config_methods push_button
[ -n "$wps_possible" -a -n "$config_methods" ] && {
config_get device_type "$vif" wps_device_type "6-0050F204-1"
config_get device_name "$vif" wps_device_name "OpenWrt AP"
config_get manufacturer "$vif" wps_manufacturer "openwrt.org"
append "$var" "eap_server=1" "$N"
append "$var" "wps_state=2" "$N"
append "$var" "ap_setup_locked=1" "$N"
append "$var" "device_type=$device_type" "$N"
append "$var" "device_name=$device_name" "$N"
append "$var" "manufacturer=$manufacturer" "$N"
append "$var" "config_methods=$config_methods" "$N"
}
append "$var" "ssid=$ssid" "$N"
[ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
[ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"
[ -n "$iapp_interface" ] && append "$var" iapp_interface=$(uci_get_state network "$iapp_interface" ifname "$iapp_interface") "$N"
if [ "$wpa" -ge "2" ]
then
# RSN -> allow preauthentication
config_get_bool rsn_preauth "$vif" rsn_preauth "$auth_cache"
if [ -n "$bridge" -a "$rsn_preauth" = 1 ]
then
append "$var" "rsn_preauth=1" "$N"
append "$var" "rsn_preauth_interfaces=$bridge" "$N"
fi
# RSN -> allow management frame protection
config_get ieee80211w "$vif" ieee80211w
case "$ieee80211w" in
[012])
append "$var" "ieee80211w=$ieee80211w" "$N"
[ "$ieee80211w" -gt "0" ] && {
config_get ieee80211w_max_timeout "$vif" ieee80211w_max_timeout
config_get ieee80211w_retry_timeout "$vif" ieee80211w_retry_timeout
[ -n "$ieee80211w_max_timeout" ] && \
append "$var" "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
[ -n "$ieee80211w_retry_timeout" ] && \
append "$var" "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
}
;;
esac
fi
config_get macfile "$vif" macfile
config_get maclist "$vif" maclist
if [ -z "$macfile" ]
then
# if no macfile has been specified, fallback to the default name
# and truncate file to avoid aggregating entries over time
macfile="/var/run/hostapd-$ifname.maclist"
echo "" > "$macfile"
else
if [ -n "$maclist" ]
then
# to avoid to overwrite the original file, make a copy
# before appending the entries specified by the maclist
# option
cp $macfile $macfile.maclist
macfile=$macfile.maclist
fi
fi
if [ -n "$maclist" ]
then
for mac in $maclist; do
echo "$mac" >> $macfile
done
fi
config_get macfilter "$vif" macfilter
case "$macfilter" in
allow)
append "$var" "macaddr_acl=1" "$N"
append "$var" "accept_mac_file=$macfile" "$N"
;;
deny)
append "$var" "macaddr_acl=0" "$N"
append "$var" "deny_mac_file=$macfile" "$N"
;;
esac
}
hostapd_set_log_options() {
local var="$1"
local cfg="$2"
local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
config_get log_level "$cfg" log_level 2
config_get_bool log_80211 "$cfg" log_80211 1
config_get_bool log_8021x "$cfg" log_8021x 1
config_get_bool log_radius "$cfg" log_radius 1
config_get_bool log_wpa "$cfg" log_wpa 1
config_get_bool log_driver "$cfg" log_driver 1
config_get_bool log_iapp "$cfg" log_iapp 1
config_get_bool log_mlme "$cfg" log_mlme 1
local log_mask=$(( \
($log_80211 << 0) | \
($log_8021x << 1) | \
($log_radius << 2) | \
($log_wpa << 3) | \
($log_driver << 4) | \
($log_iapp << 5) | \
($log_mlme << 6) \
))
append "$var" "logger_syslog=$log_mask" "$N"
append "$var" "logger_syslog_level=$log_level" "$N"
append "$var" "logger_stdout=$log_mask" "$N"
append "$var" "logger_stdout_level=$log_level" "$N"
}
hostapd_setup_vif() {
local vif="$1"
local driver="$2"
local ifname device channel hwmode
hostapd_cfg=
config_get ifname "$vif" ifname
config_get device "$vif" device
config_get channel "$device" channel
config_get hwmode "$device" hwmode
hostapd_set_log_options hostapd_cfg "$device"
hostapd_set_bss_options hostapd_cfg "$vif"
case "$hwmode" in
*bg|*gdt|*gst|*fh) hwmode=g;;
*adt|*ast) hwmode=a;;
esac
[ "$channel" = auto ] && channel=
[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
cat > /var/run/hostapd-$ifname.conf <<EOF
driver=$driver
interface=$ifname
${hwmode:+hw_mode=${hwmode#11}}
${channel:+channel=$channel}
$hostapd_cfg
EOF
hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf
}
|
