aboutsummaryrefslogtreecommitdiffstats
path: root/package/hostap-driver/files/lib/wifi/hostap.sh
blob: 430b69f849c0fa53e0472a25254e930299d539eb (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
#!/bin/sh
append DRIVERS "prism2"

scan_prism2() {
	local device="$1"
	local mainvif
	local wds
	
	config_get vifs "$device" vifs
	local _c=0
	for vif in $vifs; do
		config_get mode "$vif" mode
		case "$mode" in
			adhoc|sta|ap|monitor)
				# Only one vif is allowed on AP, station, Ad-hoc or monitor mode
				[ -z "$mainvif" ] && {
					mainvif="$vif"
					config_set "$vif" ifname "$device"
				}
			;;
			wds)
				config_get ssid "$vif" ssid
				[ -z "$ssid" ] && continue
				config_set "$vif" ifname "${device}wds${_c}"
				_c=$(($_c + 1))
				addr="$ssid"
				${addr:+append wds "$vif"}
			;;
			*) echo "$device($vif): Invalid mode, ignored."; continue;;
		esac
	done
	config_set "$device" vifs "${mainvif:+$mainvif }${wds:+$wds}"
}

disable_prism2() (
	local device="$1"
	
	set_wifi_down "$device"

	include /lib/network
	while read line < /proc/net/hostap/${device}/wds; do
		set $line
		[ -f "/var/run/wifi-${1}.pid" ] &&
			kill "$(cat "/var/run/wifi-${1}.pid")"
		ifconfig "$1" down
		unbridge "$1"
		iwpriv "$device" wds_del "$2"
	done
	unbridge "$device"
	return 0
)

enable_prism2() {
	local device="$1"

	config_get rxantenna "$device" rxantenna
	[ -n "$rxantenna" ] && iwpriv $device antsel_rx "$rxantenna"

	config_get txantenna "$device" txantenna
	[ -n "$txantenna" ] && iwpriv $device antsel_tx "$txantenna"

	config_get channel "$device" channel
	[ -n "$channel" ] && iwconfig "$device" channel "$channel" >/dev/null 2>/dev/null

	config_get txpower "$device" txpower
	[ -n "$txpower" ] && iwconfig "$device" txpower "${txpower%%.*}"

	config_get vifs "$device" vifs
	local first=1
	for vif in $vifs; do
		config_get ifname "$vif" ifname
		config_get ssid "$vif" ssid
		config_get mode "$vif" mode

		[ "$mode" = "wds" ] || iwconfig "$device" essid "$ssid"

		case "$mode" in
			sta) iwconfig "$device" mode managed;;
			ap) iwconfig "$device" mode master;;
			wds) iwpriv "$device" wds_add "$ssid";;
			*) iwconfig "$device" mode "$mode";;
		esac

		[ "$first" = 1 ] && {
			config_get rate "$vif" rate
			[ -n "$rate" ] && iwconfig "$device" rate "${rate%%.*}"

			config_get_bool hidden "$vif" hidden 0
			iwpriv "$ifname" enh_sec "$hidden"

			[ -n "$maclist" ] && {
				# flush MAC list
				iwpriv "$device" maccmd 3
				for mac in $maclist; do
					iwpriv "$device" addmac "$mac"
				done
			}
			case "$macpolicy" in
				allow)
					iwpriv $device maccmd 2
				;;
				deny)
					iwpriv $device maccmd 1
				;;
				*)
					# default deny policy if mac list exists
					[ -n "$maclist" ] && iwpriv $device maccmd 1
				;;
			esac
			# kick all stations if we have policy explicitly set
			[ -n "$macpolicy" ] && iwpriv $device maccmd 4
		}

		config_get enc "$vif" encryption
		case "$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*|wpa*)
				start_hostapd=1
				config_get key "$vif" key
			;;
		esac

		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" "$net_cfg"
		}
		set_wifi_up "$vif" "$ifname"

		case "$mode" in
			ap)
				if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
					hostapd_setup_vif "$vif" hostap || {
						echo "enable_prism2($device): Failed to set up hostapd for interface $ifname" >&2
						# make sure this wifi interface won't accidentally stay open without encryption
						ifconfig "$ifname" down
						continue
					}
				fi
			;;
			wds|sta)
				if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
					wpa_supplicant_setup_vif "$vif" hostap || {
						echo "enable_prism2($device): Failed to set up wpa_supplicant for interface $ifname" >&2
						ifconfig "$ifname" down
						continue
					}
				fi
			;;
		esac
		first=0
	done

}

detect_prism2() {
	cd /proc/net/hostap
	[ -d wlan* ] || return
	for dev in $(ls -d wlan* 2>&-); do
		config_get type "$dev" type
		[ "$type" = prism2 ] && continue
		cat <<EOF

config wifi-device $dev
	option type	prism2
	option channel  6

	# 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
}