8d6f30538d3fdefb2642a6c0534875e961855c2c
[openwrt/svn-archive/archive.git] / package / network / services / hostapd / files / hostapd.sh
1 hostapd_set_bss_options() {
2 local var="$1"
3 local vif="$2"
4 local enc wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wps_possible
5
6 config_get enc "$vif" encryption
7 config_get wep_rekey "$vif" wep_rekey # 300
8 config_get wpa_group_rekey "$vif" wpa_group_rekey # 300
9 config_get wpa_pair_rekey "$vif" wpa_pair_rekey # 300
10 config_get wpa_master_rekey "$vif" wpa_master_rekey # 640
11 config_get_bool ap_isolate "$vif" isolate 0
12 config_get_bool disassoc_low_ack "$vif" disassoc_low_ack 1
13 config_get max_num_sta "$vif" max_num_sta 0
14 config_get max_inactivity "$vif" max_inactivity 0
15 config_get_bool preamble "$vif" short_preamble 1
16
17 config_get device "$vif" device
18 config_get hwmode "$device" hwmode
19 config_get phy "$device" phy
20
21 append "$var" "ctrl_interface=/var/run/hostapd-$phy" "$N"
22
23 if [ "$ap_isolate" -gt 0 ]; then
24 append "$var" "ap_isolate=$ap_isolate" "$N"
25 fi
26 if [ "$max_num_sta" -gt 0 ]; then
27 append "$var" "max_num_sta=$max_num_sta" "$N"
28 fi
29 if [ "$max_inactivity" -gt 0 ]; then
30 append "$var" "ap_max_inactivity=$max_inactivity" "$N"
31 fi
32 append "$var" "disassoc_low_ack=$disassoc_low_ack" "$N"
33 if [ "$preamble" -gt 0 ]; then
34 append "$var" "preamble=$preamble" "$N"
35 fi
36
37 # Examples:
38 # psk-mixed/tkip => WPA1+2 PSK, TKIP
39 # wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
40 # wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
41 # ...
42
43 # TODO: move this parsing function somewhere generic, so that
44 # later it can be reused by drivers that don't use hostapd
45
46 # crypto defaults: WPA2 vs WPA1
47 case "$enc" in
48 wpa2*|*psk2*)
49 wpa=2
50 crypto="CCMP"
51 ;;
52 *mixed*)
53 wpa=3
54 crypto="CCMP TKIP"
55 ;;
56 *)
57 wpa=1
58 crypto="TKIP"
59 ;;
60 esac
61
62 # explicit override for crypto setting
63 case "$enc" in
64 *tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) crypto="CCMP TKIP";;
65 *aes|*ccmp) crypto="CCMP";;
66 *tkip) crypto="TKIP";;
67 esac
68
69 # enforce CCMP for 11ng and 11na
70 case "$hwmode:$crypto" in
71 *ng:TKIP|*na:TKIP) crypto="CCMP TKIP";;
72 esac
73
74 # use crypto/auth settings for building the hostapd config
75 case "$enc" in
76 *psk*)
77 config_get psk "$vif" key
78 if [ ${#psk} -eq 64 ]; then
79 append "$var" "wpa_psk=$psk" "$N"
80 else
81 append "$var" "wpa_passphrase=$psk" "$N"
82 fi
83 wps_possible=1
84 [ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
85 [ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
86 [ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N"
87 ;;
88 *wpa*)
89 # required fields? formats?
90 # hostapd is particular, maybe a default configuration for failures
91 config_get auth_server "$vif" auth_server
92 [ -z "$auth_server" ] && config_get auth_server "$vif" server
93 append "$var" "auth_server_addr=$auth_server" "$N"
94 config_get auth_port "$vif" auth_port
95 [ -z "$auth_port" ] && config_get auth_port "$vif" port
96 auth_port=${auth_port:-1812}
97 append "$var" "auth_server_port=$auth_port" "$N"
98 config_get auth_secret "$vif" auth_secret
99 [ -z "$auth_secret" ] && config_get auth_secret "$vif" key
100 append "$var" "auth_server_shared_secret=$auth_secret" "$N"
101 config_get_bool auth_cache "$vif" auth_cache 0
102 [ "$auth_cache" -gt 0 ] || append "$var" "disable_pmksa_caching=1" "$N"
103 [ "$auth_cache" -gt 0 ] || append "$var" "okc=0" "$N"
104 config_get acct_server "$vif" acct_server
105 [ -n "$acct_server" ] && append "$var" "acct_server_addr=$acct_server" "$N"
106 config_get acct_port "$vif" acct_port
107 [ -n "$acct_port" ] && acct_port=${acct_port:-1813}
108 [ -n "$acct_port" ] && append "$var" "acct_server_port=$acct_port" "$N"
109 config_get acct_secret "$vif" acct_secret
110 [ -n "$acct_secret" ] && append "$var" "acct_server_shared_secret=$acct_secret" "$N"
111 config_get nasid "$vif" nasid
112 append "$var" "nas_identifier=$nasid" "$N"
113 append "$var" "eapol_key_index_workaround=1" "$N"
114 append "$var" "ieee8021x=1" "$N"
115 append "$var" "wpa_key_mgmt=WPA-EAP" "$N"
116 [ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
117 [ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
118 [ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N"
119 ;;
120 *wep*)
121 config_get key "$vif" key
122 key="${key:-1}"
123 case "$key" in
124 [1234])
125 for idx in 1 2 3 4; do
126 local zidx
127 zidx=$(($idx - 1))
128 config_get ckey "$vif" "key${idx}"
129 [ -n "$ckey" ] && \
130 append "$var" "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N"
131 done
132 append "$var" "wep_default_key=$((key - 1))" "$N"
133 ;;
134 *)
135 append "$var" "wep_key0=$(prepare_key_wep "$key")" "$N"
136 append "$var" "wep_default_key=0" "$N"
137 [ -n "$wep_rekey" ] && append "$var" "wep_rekey_period=$wep_rekey" "$N"
138 ;;
139 esac
140 case "$enc" in
141 *shared*)
142 auth_algs=2
143 ;;
144 *mixed*)
145 auth_algs=3
146 ;;
147 esac
148 wpa=0
149 crypto=
150 ;;
151 *)
152 wpa=0
153 crypto=
154 ;;
155 esac
156 append "$var" "auth_algs=${auth_algs:-1}" "$N"
157 append "$var" "wpa=$wpa" "$N"
158 [ -n "$crypto" ] && append "$var" "wpa_pairwise=$crypto" "$N"
159 [ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
160
161 config_get ssid "$vif" ssid
162 config_get bridge "$vif" bridge
163 config_get ieee80211d "$vif" ieee80211d
164 config_get iapp_interface "$vif" iapp_interface
165
166 config_get_bool wps_pbc "$vif" wps_pushbutton 0
167 config_get_bool wps_label "$vif" wps_label 0
168
169 config_get config_methods "$vif" wps_config
170 [ "$wps_pbc" -gt 0 ] && append config_methods push_button
171
172 [ -n "$wps_possible" -a -n "$config_methods" ] && {
173 config_get device_type "$vif" wps_device_type "6-0050F204-1"
174 config_get device_name "$vif" wps_device_name "OpenWrt AP"
175 config_get manufacturer "$vif" wps_manufacturer "openwrt.org"
176
177 append "$var" "eap_server=1" "$N"
178 append "$var" "wps_state=2" "$N"
179 append "$var" "ap_setup_locked=1" "$N"
180 append "$var" "device_type=$device_type" "$N"
181 append "$var" "device_name=$device_name" "$N"
182 append "$var" "manufacturer=$manufacturer" "$N"
183 append "$var" "config_methods=$config_methods" "$N"
184 }
185
186 append "$var" "ssid=$ssid" "$N"
187 [ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
188 [ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"
189 [ -n "$iapp_interface" ] && append "$var" iapp_interface=$(uci_get_state network "$iapp_interface" ifname "$iapp_interface") "$N"
190
191 if [ "$wpa" -ge "2" ]
192 then
193 # RSN -> allow preauthentication
194 config_get_bool rsn_preauth "$vif" rsn_preauth "$auth_cache"
195 if [ -n "$bridge" -a "$rsn_preauth" = 1 ]
196 then
197 append "$var" "rsn_preauth=1" "$N"
198 append "$var" "rsn_preauth_interfaces=$bridge" "$N"
199 fi
200
201 # RSN -> allow management frame protection
202 config_get ieee80211w "$vif" ieee80211w
203 case "$ieee80211w" in
204 [012])
205 append "$var" "ieee80211w=$ieee80211w" "$N"
206 [ "$ieee80211w" -gt "0" ] && {
207 config_get ieee80211w_max_timeout "$vif" ieee80211w_max_timeout
208 config_get ieee80211w_retry_timeout "$vif" ieee80211w_retry_timeout
209 [ -n "$ieee80211w_max_timeout" ] && \
210 append "$var" "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
211 [ -n "$ieee80211w_retry_timeout" ] && \
212 append "$var" "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
213 }
214 ;;
215 esac
216 fi
217
218 config_get macfile "$vif" macfile
219 config_get maclist "$vif" maclist
220 if [ -z "$macfile" ]
221 then
222 # if no macfile has been specified, fallback to the default name
223 macfile="/var/run/hostapd-$ifname.maclist"
224 else
225 if [ -n "$maclist" ]
226 then
227 # to avoid to overwrite the original file, make a copy
228 # before appending the entries specified by the maclist
229 # option
230 cp $macfile $macfile.maclist
231 macfile=$macfile.maclist
232 fi
233 fi
234
235 if [ -n "$maclist" ]
236 then
237 for mac in $maclist; do
238 echo "$mac" >> $macfile
239 done
240 fi
241
242 config_get macfilter "$vif" macfilter
243 case "$macfilter" in
244 allow)
245 append "$var" "macaddr_acl=1" "$N"
246 append "$var" "accept_mac_file=$macfile" "$N"
247 ;;
248 deny)
249 append "$var" "macaddr_acl=0" "$N"
250 append "$var" "deny_mac_file=$macfile" "$N"
251 ;;
252 esac
253 }
254
255 hostapd_set_log_options() {
256 local var="$1"
257 local cfg="$2"
258 local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
259
260 config_get log_level "$cfg" log_level 2
261
262 config_get_bool log_80211 "$cfg" log_80211 1
263 config_get_bool log_8021x "$cfg" log_8021x 1
264 config_get_bool log_radius "$cfg" log_radius 1
265 config_get_bool log_wpa "$cfg" log_wpa 1
266 config_get_bool log_driver "$cfg" log_driver 1
267 config_get_bool log_iapp "$cfg" log_iapp 1
268 config_get_bool log_mlme "$cfg" log_mlme 1
269
270 local log_mask=$(( \
271 ($log_80211 << 0) | \
272 ($log_8021x << 1) | \
273 ($log_radius << 2) | \
274 ($log_wpa << 3) | \
275 ($log_driver << 4) | \
276 ($log_iapp << 5) | \
277 ($log_mlme << 6) \
278 ))
279
280 append "$var" "logger_syslog=$log_mask" "$N"
281 append "$var" "logger_syslog_level=$log_level" "$N"
282 append "$var" "logger_stdout=$log_mask" "$N"
283 append "$var" "logger_stdout_level=$log_level" "$N"
284 }
285
286 hostapd_setup_vif() {
287 local vif="$1"
288 local driver="$2"
289 local ifname device channel hwmode
290
291 hostapd_cfg=
292
293 config_get ifname "$vif" ifname
294 config_get device "$vif" device
295 config_get channel "$device" channel
296 config_get hwmode "$device" hwmode
297
298 hostapd_set_log_options hostapd_cfg "$device"
299 hostapd_set_bss_options hostapd_cfg "$vif"
300
301 case "$hwmode" in
302 *bg|*gdt|*gst|*fh) hwmode=g;;
303 *adt|*ast) hwmode=a;;
304 esac
305 [ "$channel" = auto ] && channel=
306 [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
307 cat > /var/run/hostapd-$ifname.conf <<EOF
308 driver=$driver
309 interface=$ifname
310 ${hwmode:+hw_mode=${hwmode#11}}
311 ${channel:+channel=$channel}
312 $hostapd_cfg
313 EOF
314 hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf
315 }
316