blob: c83c06df8654da399b2a117f4946ff38c337e7dd (
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
|
hostapd_set_bss_options() {
local var="$1"
local vif="$2"
local enc wpa_group_rekey
config_get enc "$vif" encryption
config_get wpa_group_rekey "$vif" wpa_group_rekey
# Examples:
# psk-mixed/tkip => WPA1+2 PSK, TKIP
# wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
# wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
# ...
# TODO: move this parsing function somewhere generic, so that
# later it can be reused by drivers that don't use hostapd
# crypto defaults: WPA2 vs WPA1
case "$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 "$enc" in
*tkip+aes|*tkip+ccmp) crypto="CCMP TKIP";;
*aes|*ccmp) crypto="CCMP";;
*tkip) crypto="TKIP";;
esac
# use crypto/auth settings for building the hostapd config
case "$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" "$N"
fi
;;
*wpa*)
# required fields? formats?
# hostapd is particular, maybe a default configuration for failures
config_get server "$vif" server
append "$var" "auth_server_addr=$server" "$N"
config_get port "$vif" port
port=${port:-1812}
append "$var" "auth_server_port=$port" "$N"
config_get secret "$vif" key
append "$var" "auth_server_shared_secret=$secret" "$N"
config_get nasid "$vif" nasid
append "$var" "nas_identifier=$nasid" "$N"
append "$var" "eapol_key_index_workaround=1" "$N"
append "$var" "radius_acct_interim_interval=300" "$N"
append "$var" "ieee8021x=1" "$N"
append "$var" "auth_algs=1" "$N"
append "$var" "wpa_key_mgmt=WPA-EAP" "$N"
append "$var" "wpa_group_rekey=300" "$N"
append "$var" "wpa_gmk_rekey=640" "$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"
;;
esac
wpa=0
crypto=
;;
*)
wpa=0
crypto=
;;
esac
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
append "$var" "ssid=$ssid" "$N"
[ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
[ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"
}
hostapd_setup_vif() {
local vif="$1"
local driver="$2"
hostapd_cfg=
hostapd_set_bss_options hostapd_cfg "$vif"
config_get ifname "$vif" ifname
config_get device "$vif" device
config_get channel "$device" channel
config_get hwmode "$device" hwmode
case "$hwmode" in
*bg) hwmode=g;;
esac
[ "$channel" = auto ] && channel=
[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
cat > /var/run/hostapd-$ifname.conf <<EOF
ctrl_interface=/var/run/hostapd-$ifname
driver=$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
}
|
