blob: 74105c666228d734cffd308b7973dfae6b62f637 (
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
|
#!/bin/sh
append DRIVERS "mac80211"
scan_mac80211() {
local device="$1"
local adhoc sta ap
config_get vifs "$device" vifs
for vif in $vifs; do
config_get ifname "$vif" ifname
config_set "$vif" ifname "${ifname:-$device}"
config_get mode "$vif" mode
case "$mode" in
adhoc|sta|ap|monitor)
append $mode "$vif"
;;
*) echo "$device($vif): Invalid mode, ignored."; continue;;
esac
done
config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }${monitor:+$monitor}"
}
disable_mac80211() (
local device="$1"
set_wifi_down "$device"
# kill all running hostapd and wpa_supplicant processes that
# are running on atheros/mac80211 vifs
for pid in `pidof hostapd wpa_supplicant`; do
grep wlan /proc/$pid/cmdline >/dev/null && \
kill $pid
done
include /lib/network
cd /proc/sys/net
for dev in *; do
grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
ifconfig "$dev" down
unbridge "$dev"
}
done
return 0
)
enable_mac80211() {
local device="$1"
config_get channel "$device" channel
config_get vifs "$device" vifs
local first=1
for vif in $vifs; do
ifconfig "$ifname" down 2>/dev/null
config_get ifname "$vif" ifname
config_get enc "$vif" encryption
config_get eap_type "$vif" eap_type
config_get mode "$vif" mode
config_get ifname "$vif" ifname
[ $? -ne 0 ] && {
echo "enable_mac80211($device): Failed to set up $mode vif $ifname" >&2
continue
}
config_set "$vif" ifname "$ifname"
[ "$first" = 1 ] && {
# only need to change freq band and channel on the first vif
iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
if [ "$mode" = adhoc ]; then
iwlist "$ifname" scan >/dev/null 2>/dev/null
sleep 1
iwconfig "$ifname" mode ad-hoc >/dev/null 2>/dev/null
fi
sleep 1
iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
}
if [ "$mode" = sta ]; then
iwconfig "$ifname" mode managed >/dev/null 2>/dev/null
else
iwconfig "$ifname" mode $mode >/dev/null 2>/dev/null
fi
wpa=
case "$enc" in
WEP|wep)
for idx in 1 2 3 4; do
config_get key "$vif" "key${idx}"
iwconfig "$ifname" enc "[$idx]" "${key:-off}"
done
config_get key "$vif" key
key="${key:-1}"
case "$key" in
[1234]) iwconfig "$ifname" enc "[$key]";;
*) iwconfig "$ifname" enc "$key";;
esac
;;
PSK|psk|PSK2|psk2)
config_get key "$vif" key
;;
esac
case "$mode" in
adhoc)
config_get addr "$vif" bssid
[ -z "$addr" ] || {
iwconfig "$ifname" ap "$addr"
}
;;
esac
config_get ssid "$vif" ssid
config_get txpwr "$vif" txpower
if [ -n "$txpwr" ]; then
iwconfig "$ifname" txpower "${txpwr%%.*}"
fi
config_get frag "$vif" frag
if [ -n "$frag" ]; then
iwconfig "$ifname" frag "${frag%%.*}"
fi
config_get rts "$vif" rts
if [ -n "$rts" ]; then
iwconfig "$ifname" rts "${rts%%.*}"
fi
ifconfig "$ifname" up
iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
local net_cfg bridge
net_cfg="$(find_net_config "$vif")"
[ -z "$net_cfg" ] || {
bridge="$(bridge_interface "$net_cfg")"
config_set "$vif" bridge "$bridge"
start_net "$ifname" "$net_cfg"
}
iwconfig "$ifname" essid "$ssid"
set_wifi_up "$vif" "$ifname"
case "$mode" in
ap)
if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
hostapd_setup_vif "$vif" nl80211 || {
echo "enable_mac80211($device): Failed to set up wpa for interface $ifname" >&2
# make sure this wifi interface won't accidentally stay open without encryption
ifconfig "$ifname" down
continue
}
fi
;;
sta)
if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
wpa_supplicant_setup_vif "$vif" wext || {
echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
# make sure this wifi interface won't accidentally stay open without encryption
ifconfig "$ifname" down
continue
}
fi
;;
esac
first=0
done
}
detect_mac80211() {
cd /sys/class/net
for dev in $(ls -d wlan* 2>&-); do
config_get type "$dev" type
[ "$type" = mac80211 ] && return
cat <<EOF
config wifi-device $dev
option type mac80211
option channel 5
# REMOVE THIS LINE TO ENABLE WIFI:
option disabled 1
config wifi-iface
option device $dev
option network lan
option mode ap
option ssid OpenWrt
option encryption none
EOF
done
}
|
