| 1 | #!/bin/sh |
| 2 | # Copyright (C) 2006 OpenWrt.org |
| 3 | |
| 4 | . /etc/functions.sh |
| 5 | |
| 6 | usage() { |
| 7 | cat <<EOF |
| 8 | Usage: $0 [down|detect] |
| 9 | enables (default), disables or detects a wifi configuration. |
| 10 | EOF |
| 11 | exit 1 |
| 12 | } |
| 13 | |
| 14 | find_net_config() {( |
| 15 | local vif="$1" |
| 16 | local cfg |
| 17 | local ifname |
| 18 | |
| 19 | config_get cfg "$vif" network |
| 20 | |
| 21 | [ -z "$cfg" ] && { |
| 22 | include /lib/network |
| 23 | scan_interfaces |
| 24 | |
| 25 | config_get ifname "$vif" ifname |
| 26 | |
| 27 | cfg="$(find_config "$ifname")" |
| 28 | } |
| 29 | [ -z "$cfg" ] && return 0 |
| 30 | echo "$cfg" |
| 31 | )} |
| 32 | |
| 33 | |
| 34 | bridge_interface() {( |
| 35 | local cfg="$1" |
| 36 | [ -z "$cfg" ] && return 0 |
| 37 | |
| 38 | include /lib/network |
| 39 | scan_interfaces |
| 40 | |
| 41 | config_get iftype "$cfg" type |
| 42 | [ "$iftype" = bridge ] && config_get "$cfg" ifname |
| 43 | )} |
| 44 | |
| 45 | prepare_key_wep() { |
| 46 | local key="$1" |
| 47 | local hex=1 |
| 48 | |
| 49 | echo -n "$key" | grep -qE "[^a-fA-F0-9]" && hex=0 |
| 50 | [ "${#key}" -eq 10 -a $hex -eq 1 ] || \ |
| 51 | [ "${#key}" -eq 26 -a $hex -eq 1 ] || { |
| 52 | [ "${key:0:2}" = "s:" ] && key="${key#s:}" |
| 53 | key="$(echo -n "$key" | hexdump -ve '1/1 "%02x" ""')" |
| 54 | } |
| 55 | echo "$key" |
| 56 | } |
| 57 | |
| 58 | wifi_fixup_hwmode() { |
| 59 | local device="$1" |
| 60 | local default="$2" |
| 61 | local hwmode hwmode_11n |
| 62 | |
| 63 | config_get channel "$device" channel |
| 64 | config_get hwmode "$device" hwmode |
| 65 | case "$hwmode" in |
| 66 | 11bg) hwmode=bg;; |
| 67 | 11a) hwmode=a;; |
| 68 | 11b) hwmode=b;; |
| 69 | 11g) hwmode=g;; |
| 70 | 11n*) |
| 71 | hwmode_11n="${hwmode##11n}" |
| 72 | case "$hwmode_11n" in |
| 73 | a|g) ;; |
| 74 | default) hwmode_11n="$default" |
| 75 | esac |
| 76 | config_set "$device" hwmode_11n "$hwmode_11n" |
| 77 | ;; |
| 78 | *) |
| 79 | hwmode= |
| 80 | if [ "${channel:-0}" -gt 0 ]; then |
| 81 | if [ "${channel:-0}" -gt 14 ]; then |
| 82 | hwmode=a |
| 83 | else |
| 84 | hwmode=g |
| 85 | fi |
| 86 | else |
| 87 | hwmode="$default" |
| 88 | fi |
| 89 | ;; |
| 90 | esac |
| 91 | config_set "$device" hwmode "$hwmode" |
| 92 | } |
| 93 | |
| 94 | wifi_updown() { |
| 95 | [ enable = "$1" ] && { |
| 96 | wifi_updown disable "$2" |
| 97 | scan_wifi |
| 98 | } |
| 99 | for device in ${2:-$DEVICES}; do ( |
| 100 | config_get disabled "$device" disabled |
| 101 | [ 1 == "$disabled" ] && { |
| 102 | echo "'$device' is disabled" |
| 103 | set disable |
| 104 | } |
| 105 | config_get iftype "$device" type |
| 106 | if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then |
| 107 | eval "scan_$iftype '$device'" |
| 108 | eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed" |
| 109 | else |
| 110 | echo "$device($iftype): Interface type not supported" |
| 111 | fi |
| 112 | ); done |
| 113 | } |
| 114 | |
| 115 | wifi_detect() { |
| 116 | for driver in ${2:-$DRIVERS}; do ( |
| 117 | if eval "type detect_$driver" 2>/dev/null >/dev/null; then |
| 118 | eval "detect_$driver" || echo "$driver: Detect failed" >&2 |
| 119 | else |
| 120 | echo "$driver: Hardware detection not supported" >&2 |
| 121 | fi |
| 122 | ); done |
| 123 | } |
| 124 | |
| 125 | start_net() {( |
| 126 | local iface="$1" |
| 127 | local config="$2" |
| 128 | local vifmac="$3" |
| 129 | |
| 130 | [ -f "/var/run/$iface.pid" ] && kill "$(cat /var/run/${iface}.pid)" 2>/dev/null |
| 131 | include /lib/network |
| 132 | scan_interfaces |
| 133 | setup_interface "$iface" "$config" "" "$vifmac" |
| 134 | )} |
| 135 | |
| 136 | set_wifi_up() { |
| 137 | local cfg="$1" |
| 138 | local ifname="$2" |
| 139 | uci_set_state wireless "$cfg" up 1 |
| 140 | uci_set_state wireless "$cfg" ifname "$ifname" |
| 141 | } |
| 142 | |
| 143 | set_wifi_down() { |
| 144 | local cfg="$1" |
| 145 | local vifs vif vifstr |
| 146 | |
| 147 | [ -f "/var/run/wifi-${cfg}.pid" ] && |
| 148 | kill "$(cat "/var/run/wifi-${cfg}.pid")" 2>/dev/null |
| 149 | uci_revert_state wireless "$cfg" |
| 150 | config_get vifs "$cfg" vifs |
| 151 | for vif in $vifs; do |
| 152 | uci_revert_state wireless "$vif" |
| 153 | done |
| 154 | } |
| 155 | |
| 156 | scan_wifi() { |
| 157 | local cfgfile="$1" |
| 158 | DEVICES= |
| 159 | config_cb() { |
| 160 | local type="$1" |
| 161 | local section="$2" |
| 162 | |
| 163 | # section start |
| 164 | case "$type" in |
| 165 | wifi-device) |
| 166 | append DEVICES "$section" |
| 167 | config_set "$section" vifs "" |
| 168 | config_set "$section" ht_capab "" |
| 169 | ;; |
| 170 | esac |
| 171 | |
| 172 | # section end |
| 173 | config_get TYPE "$CONFIG_SECTION" TYPE |
| 174 | case "$TYPE" in |
| 175 | wifi-iface) |
| 176 | config_get device "$CONFIG_SECTION" device |
| 177 | config_get vifs "$device" vifs |
| 178 | append vifs "$CONFIG_SECTION" |
| 179 | config_set "$device" vifs "$vifs" |
| 180 | ;; |
| 181 | esac |
| 182 | } |
| 183 | config_load "${cfgfile:-wireless}" |
| 184 | } |
| 185 | |
| 186 | DEVICES= |
| 187 | DRIVERS= |
| 188 | include /lib/wifi |
| 189 | scan_wifi |
| 190 | |
| 191 | case "$1" in |
| 192 | down) wifi_updown "disable" "$2";; |
| 193 | detect) wifi_detect "$2";; |
| 194 | --help|help) usage;; |
| 195 | *) wifi_updown "enable" "$2";; |
| 196 | esac |
| 197 | |
