slitaz-boot-scripts view etc/init.d/network.sh @ rev 393
network.sh: better handle WEP connections, handle EAP, store Wi-Fi neworks by default; network.conf: migrate to extended format to support EAP arguments, and few more.
| author | Aleksej Bobylev <al.bobylev@gmail.com> |
|---|---|
| date | Mon Mar 23 02:01:21 2015 +0200 (2015-03-23) |
| parents | aea6cf6b8a5b |
| children | 7acd64a8f538 |
line source
1 #!/bin/sh
2 #
3 # /etc/init.d/network.sh : Network initialization boot script
4 # /etc/network.conf : Main SliTaz network configuration file
5 # /etc/wpa/wpa.conf : Wi-Fi networks configuration file
7 . /etc/init.d/rc.functions
9 CONF="${2:-/etc/network.conf}"
10 echo "Loading network settings from $CONF"
11 . "$CONF"
13 WPA_CONF='/etc/wpa/wpa.conf'
16 # Migrate existing settings to a new format file
18 . /usr/share/slitaz/network.conf_migration
21 # Actions executing on boot time (running network.sh without parameters)
23 boot() {
24 # Set hostname
25 echo -n "Setting hostname to: $(cat /etc/hostname)"
26 /bin/hostname -F /etc/hostname
27 status
29 # Configure loopback interface
30 echo -n 'Configuring loopback...'
31 /sbin/ifconfig lo 127.0.0.1 up
32 /sbin/route add -net 127.0.0.0 netmask 255.0.0.0 dev lo
33 status
35 [ -s /etc/sysctl.conf ] && sysctl -p /etc/sysctl.conf
36 }
39 # Use ethernet
41 eth() {
42 [ "$WIFI" != 'yes' ] && ifconfig $INTERFACE up
43 }
46 # Start wpa_supplicant with prepared settings in wpa.conf
48 start_wpa_supplicant() {
49 echo "Starting wpa_supplicant for $1..."
50 wpa_supplicant -B -W -c$WPA_CONF -D$WIFI_WPA_DRIVER -i$WIFI_INTERFACE
51 }
54 # Reconnect to the given network
56 reconnect_wifi_network() {
57 if [ "$WIFI" == 'yes' ]; then
58 # Wpa_supplicant will auto-connect to the first network
59 # notwithstanding to priority when scan_ssid=1
60 current_ssid="$(wpa_cli list_networks 2>/dev/null | fgrep '[CURRENT]' | cut -f2)"
61 if [ "$current_ssid" != "$WIFI_ESSID" ]; then
62 echo "Connecting to $WIFI_ESSID..."
63 for i in $(seq 20); do
64 index=$(wpa_cli list_networks 2>/dev/null | \
65 grep -m1 -F $'\t'$WIFI_ESSID$'\t' | head -n1 | cut -f1)
66 [ -z "$index" ] && echo -n '.' && sleep 1
67 done
68 wpa_cli select_network $index >/dev/null; status
69 fi
70 fi
71 }
74 # For Wi-Fi. Users just have to enable it through WIFI="yes" and usually
75 # ESSID="any" will work and the interface is autodetected.
77 wifi() {
78 if [ "$WIFI" == 'yes' ]; then
79 ifconfig $INTERFACE down
81 # Confirm if $WIFI_INTERFACE is the Wi-Fi interface
82 if [ ! -d /sys/class/net/$WIFI_INTERFACE/wireless ]; then
83 echo "$WIFI_INTERFACE is not a Wi-Fi interface, changing it."
84 WIFI_INTERFACE=$(iwconfig 2>/dev/null | awk 'NR==1{print $1}')
85 [ -n "$WIFI_INTERFACE" ] && sed -i \
86 "s|^WIFI_INTERFACE=.*|WIFI_INTERFACE=\"$WIFI_INTERFACE\"|" \
87 /etc/network.conf
88 fi
90 echo -n "Configuring Wi-Fi interface $WIFI_INTERFACE..."
91 ifconfig $WIFI_INTERFACE up 2>/dev/null
92 if iwconfig $WIFI_INTERFACE | fgrep -q 'Tx-Power'; then
93 iwconfig $WIFI_INTERFACE txpower on
94 fi
95 status
97 IWCONFIG_ARGS=''
98 [ -n "$WIFI_WPA_DRIVER" ] || WIFI_WPA_DRIVER='wext'
99 [ -n "$WIFI_MODE" ] && IWCONFIG_ARGS="$IWCONFIG_ARGS mode $WIFI_MODE"
100 [ -n "$WIFI_CHANNEL" ] && IWCONFIG_ARGS="$IWCONFIG_ARGS channel $WIFI_CHANNEL"
101 [ -n "$WIFI_AP" ] && IWCONFIG_ARGS="$IWCONFIG_ARGS ap $WIFI_AP"
103 # Clean all / add / change stored networks settings
104 if [ "$WIFI_BLANK_NETWORKS" == 'yes' ]; then
105 echo "Creating new $WPA_CONF"
106 cat /etc/wpa/wpa_empty.conf > $WPA_CONF
107 else
108 if fgrep -q ssid=\"$WIFI_ESSID\" $WPA_CONF; then
109 echo "Change network settings in $WPA_CONF"
110 # Remove given existing network (it to be appended later)
111 mv -f $WPA_CONF $WPA_CONF.old
112 cat $WPA_CONF.old | tr '\n' '\a' | sed 's|[^#]\(network={\)|\n\1|g' | \
113 fgrep -v "ssid=\"$WIFI_ESSID\"" | tr '\a' '\n' > $WPA_CONF
114 else
115 echo "Append existing $WPA_CONF"
116 fi
117 fi
119 # Each new network has a higher priority than the existing
120 MAX_PRIORITY=$(sed -n 's|[\t ]*priority=\([0-9]*\)|\1|p' $WPA_CONF | sort -g | tail -n1)
121 PRIORITY=$(( ${MAX_PRIORITY:-0} + 1 ))
123 # Begin network description
124 cat >> $WPA_CONF <<EOT
125 network={
126 ssid="$WIFI_ESSID"
127 EOT
129 # For networks with hidden SSID: write its BSSID and allow probe requests
130 [ -n "$WIFI_BSSID" ] && cat >> $WPA_CONF <<EOT
131 bssid=$WIFI_BSSID
132 scan_ssid=1
133 EOT
135 case x$(echo -n $WIFI_KEY_TYPE | tr a-z A-Z) in
136 x|xNONE) # Open network
137 cat >> $WPA_CONF <<EOT
138 key_mgmt=NONE
139 priority=$PRIORITY
140 }
141 EOT
142 # start_wpa_supplicant NONE
143 iwconfig $WIFI_INTERFACE essid "$WIFI_ESSID" $IWCONFIG_ARGS
144 ;;
146 xWEP) # WEP security
147 # Encryption key length: 64 bit (5 ASCII or 10 HEX)
148 # Encryption key length: 128 bit (13 ASCII or 26 HEX)
149 # ASCII key in "quotes", HEX key without quotes
150 case "${#WIFI_KEY}" in
151 10|26) Q='' ;;
152 *) Q='"' ;;
153 esac
154 cat >> $WPA_CONF <<EOT
155 key_mgmt=NONE
156 auth_alg=OPEN SHARED
157 wep_key0=$Q$WIFI_KEY$Q
158 priority=$PRIORITY
159 }
160 EOT
161 start_wpa_supplicant WEP ;;
163 xWPA) # WPA/WPA2-PSK security
164 cat >> $WPA_CONF <<EOT
165 psk="$WIFI_KEY"
166 key_mgmt=WPA-PSK
167 priority=$PRIORITY
168 }
169 EOT
170 start_wpa_supplicant WPA/WPA2-PSK ;;
172 xEAP) # 802.1x EAP security
173 {
174 cat <<EOT
175 key_mgmt=WPA-EAP IEEE8021X
176 eap=$WIFI_EAP_METHOD
177 EOT
178 if [ "$WIFI_EAP_METHOD" == 'PWD' ]; then
179 WIFI_PHASE2=''; WIFI_CA_CERT=''; WIFI_USER_CERT=''; WIFI_ANONYMOUS_IDENTITY=''
180 fi
181 [ -n "$WIFI_CA_CERT" ] && echo -e "\tca_cert=\"$WIFI_CA_CERT\""
182 [ -n "$WIFI_CLIENT_CERT" ] && echo -e "\tclient_cert=\"$WIFI_CLIENT_CERT\""
183 [ -n "$WIFI_IDENTITY" ] && echo -e "\tidentity=\"$WIFI_IDENTITY\""
184 [ -n "$WIFI_ANONYMOUS_IDENTITY" ] && echo -e "\tanonymous_identity=\"$WIFI_ANONYMOUS_IDENTITY\""
185 [ -n "$WIFI_KEY" ] && echo -e "\tpassword=\"$WIFI-KEY\""
186 [ -n "$WIFI_PHASE2" ] && echo -e "\tphase2=\"auth=$WIFI_PHASE2\""
187 } >> $WPA_CONF
188 start_wpa_supplicant '802.1x EAP' ;;
190 xANY)
191 cat >> $WPA_CONF <<EOT
192 key_mgmt=WPA-EAP WPA-PSK IEEE8021X NONE
193 group=CCMP TKIP WEP104 WEP40
194 pairwise=CCMP TKIP
195 psk="$WIFI_KEY"
196 password="$WIFI_KEY"
197 priority=$PRIORITY
198 }
199 EOT
200 start_wpa_supplicant 'any key type' ;;
202 esac
203 INTERFACE=$WIFI_INTERFACE
204 fi
205 }
208 # WPA DHCP script
210 wpa() {
211 wpa_cli -a"/etc/init.d/wpa_action.sh" -B
212 }
215 # For a dynamic IP with DHCP
217 dhcp() {
218 if [ "$DHCP" == 'yes' ]; then
219 echo "Starting udhcpc client on: $INTERFACE..."
220 # Is wpa wireless && wpa_ctrl_open interface up?
221 if [ -d /var/run/wpa_supplicant ] && [ "$WIFI" == 'yes' ]; then
222 wpa
223 else
224 # fallback on udhcpc: wep, eth
225 /sbin/udhcpc -b -T 1 -A 12 -i $INTERFACE -p \
226 /var/run/udhcpc.$INTERFACE.pid
227 fi
228 fi
229 }
232 # For a static IP
234 static_ip() {
235 if [ "$STATIC" == 'yes' ]; then
236 echo "Configuring static IP on $INTERFACE: $IP..."
237 if [ -n "$BROADCAST" ]; then
238 /sbin/ifconfig $INTERFACE $IP netmask $NETMASK broadcast $BROADCAST up
239 else
240 /sbin/ifconfig $INTERFACE $IP netmask $NETMASK up
241 fi
243 # Use ip to set gateways if iproute.conf exists
244 if [ -f /etc/iproute.conf ]; then
245 while read line; do
246 ip route add $line
247 done < /etc/iproute.conf
248 else
249 /sbin/route add default gateway $GATEWAY
250 fi
252 # wpa_supplicant waits for wpa_cli
253 [ -d /var/run/wpa_supplicant ] && wpa_cli -B
255 # Multi-DNS server in $DNS_SERVER
256 /bin/mv /etc/resolv.conf /tmp/resolv.conf.$$
257 {
258 printf 'nameserver %s\n' $DNS_SERVER # Multiple allowed
259 [ -n "$DOMAIN" ] && echo "search $DOMAIN"
260 } >> /etc/resolv.conf
261 for HELPER in /etc/ipup.d/*; do
262 [ -x $HELPER ] && $HELPER $INTERFACE $DNS_SERVER
263 done
264 fi
265 }
268 # Stopping everything
270 stop() {
271 echo 'Stopping all interfaces'
272 ifconfig $INTERFACE down
273 ifconfig $WIFI_INTERFACE down
275 echo 'Killing all daemons'
276 killall udhcpc
277 killall wpa_supplicant 2>/dev/null
279 if iwconfig $WIFI_INTERFACE | fgrep -q 'Tx-Power'; then
280 echo 'Shutting down Wi-Fi card'
281 iwconfig $WIFI_INTERFACE txpower off
282 fi
283 }
286 start() {
287 eth
288 wifi
289 dhcp
290 static_ip
291 reconnect_wifi_network
293 # change default LXPanel panel iface
294 if [ -f /etc/lxpanel/default/panels/panel ]; then
295 sed -i "s/iface=.*/iface=$INTERFACE/" /etc/lxpanel/default/panels/panel
296 fi
297 }
300 # Looking for arguments:
302 case "$1" in
303 '')
304 boot; start ;;
305 start)
306 start ;;
307 stop)
308 stop ;;
309 restart)
310 stop; sleep 2; start ;;
311 *)
312 cat <<EOT
314 $(boldify 'Usage:') /etc/init.d/$(basename $0) [start|stop|restart]
316 Default configuration file is $(boldify '/etc/network.conf')
317 You can specify another configuration file in the second argument:
318 /etc/init.d/$(basename $0) [start|stop|restart] file.conf
320 EOT
321 ;;
322 esac