fix a typo in the hwmode handling in /sbin/wifi (thx, maddes)
[openwrt/svn-archive/archive.git] / package / base-files / files / sbin / wifi
1 #!/bin/sh
2 # Copyright (C) 2006 OpenWrt.org
3
4 . /etc/functions.sh
5
6 find_net_config() {(
7 local vif="$1"
8 local cfg
9 local ifname
10
11 config_get cfg "$vif" network
12
13 [ -z "$cfg" ] && {
14 include /lib/network
15 scan_interfaces
16
17 config_get ifname "$vif" ifname
18
19 cfg="$(find_config "$ifname")"
20 }
21 [ -z "$cfg" ] && return 0
22 echo "$cfg"
23 )}
24
25
26 bridge_interface() {(
27 local cfg="$1"
28 [ -z "$cfg" ] && return 0
29
30 include /lib/network
31 scan_interfaces
32
33 config_get iftype "$cfg" type
34 [ "$iftype" = bridge ] && config_get "$cfg" ifname
35 )}
36
37 prepare_key_wep() {
38 local key="$1"
39 local hex=1
40
41 echo -n "$key" | grep -qE "[^a-fA-F0-9]" && hex=0
42 [ "${#key}" -eq 10 -a $hex -eq 1 ] || \
43 [ "${#key}" -eq 26 -a $hex -eq 1 ] || {
44 [ "${key:0:2}" = "s:" ] && key="${key#s:}"
45 key="$(echo -n "$key" | hexdump -ve '1/1 "%02x" ""')"
46 }
47 echo "$key"
48 }
49
50 wifi_fixup_hwmode() {
51 local device="$1"
52 local default="$2"
53 local hwmode hwmode_11n
54
55 config_get channel "$device" channel
56 config_get hwmode "$device" hwmode
57 case "$hwmode" in
58 11bg) hwmode=bg;;
59 11a) hwmode=a;;
60 11b) hwmode=b;;
61 11g) hwmode=g;;
62 11n*)
63 hwmode_11n="${hwmode##11n}"
64 case "$hwmode_11n" in
65 a|g) ;;
66 default) hwmode_11n="$default"
67 esac
68 config_set "$device" hwmode_11n "$hwmode_11n"
69 ;;
70 *)
71 hwmode=
72 if [ "${channel:-0}" -gt 0 ]; then
73 if [ "${channel:-0}" -gt 14 ]; then
74 hwmode=a
75 else
76 hwmode=g
77 fi
78 else
79 hwmode="$default"
80 fi
81 ;;
82 esac
83 config_set "$device" hwmode "$hwmode"
84 }
85
86 wifi_updown() {
87 [ enable = "$1" ] && wifi_updown disable "$2"
88 for device in ${2:-$DEVICES}; do (
89 config_get disabled "$device" disabled
90 [ 1 == "$disabled" ] && {
91 echo "'$device' is disabled"
92 set disable
93 }
94 config_get iftype "$device" type
95 if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then
96 eval "scan_$iftype '$device'"
97 eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed"
98 else
99 echo "$device($iftype): Interface type not supported"
100 fi
101 ); done
102 }
103
104 wifi_detect() {
105 for driver in ${2:-$DRIVERS}; do (
106 if eval "type detect_$driver" 2>/dev/null >/dev/null; then
107 eval "detect_$driver" || echo "$driver: Detect failed" >&2
108 else
109 echo "$driver: Hardware detection not supported" >&2
110 fi
111 ); done
112 }
113
114 start_net() {(
115 local iface="$1"
116 local config="$2"
117 local vifmac="$3"
118
119 [ -f "/var/run/$iface.pid" ] && kill "$(cat /var/run/${iface}.pid)" 2>/dev/null
120 include /lib/network
121 scan_interfaces
122 setup_interface "$iface" "$config" "" "$vifmac"
123 )}
124
125 set_wifi_up() {
126 local cfg="$1"
127 local ifname="$2"
128 uci_set_state wireless "$cfg" up 1
129 uci_set_state wireless "$cfg" ifname "$ifname"
130 }
131
132 set_wifi_down() {
133 local cfg="$1"
134 local vifs vif vifstr
135
136 [ -f "/var/run/wifi-${cfg}.pid" ] &&
137 kill "$(cat "/var/run/wifi-${cfg}.pid")"
138 uci_revert_state wireless "$cfg"
139 config_get vifs "$cfg" vifs
140 for vif in $vifs; do
141 uci_revert_state wireless "$vif"
142 done
143 }
144
145 scan_wifi() {
146 local cfgfile="$1"
147 config_cb() {
148 config_get TYPE "$CONFIG_SECTION" TYPE
149 case "$TYPE" in
150 wifi-device)
151 append DEVICES "$CONFIG_SECTION"
152 ;;
153 wifi-iface)
154 config_get device "$CONFIG_SECTION" device
155 config_get vifs "$device" vifs
156 append vifs "$CONFIG_SECTION"
157 config_set "$device" vifs "$vifs"
158 ;;
159 esac
160 }
161 config_load "${cfgfile:-wireless}"
162 }
163
164 DEVICES=
165 DRIVERS=
166 include /lib/wifi
167 scan_wifi
168
169 case "$1" in
170 down) wifi_updown "disable" "$2";;
171 detect) wifi_detect "$2";;
172 *) wifi_updown "enable" "$2";;
173 esac