接続しているSSIDでIPアドレスを変更したい（wlan0.sh編part2）
なぜSSIDを正しく評価できないのだろう。。。？
そもそも、wlan0.shが動く際にWiFiに接続できているのか？？
と思いスクリプトを変更し状態を確認してみる。
１．正しく評価できない原因は？
tc@pCP:/opt$ sudo vi wlan0.sh
tc@pCP:/opt$ cat wlan0.sh
#!/bin/sh
# Maintained by piCorePlayer
echo "[ INFO ] Running $0..."
NWOK=1
until [ -d /sys/class/net/wlan0 ]
do
if [ $((CNT++)) -gt 50 ]; then
echo -n "${RED}No Ethernet Adapter [wlan0] Found!${NORMAL}"
NWOK=0
break
else
echo -n "."
sleep 0.5
fi
done
echo iwconfig wlan0
if [ $NWOK -eq 1 ]; then
ifconfig wlan0 192.168.3.90 netmask 255.255.255.0 broadcast 192.168.3.255 up
route add default gw 192.168.3.1
sudo echo nameserver 192.168.3.1 > /etc/resolv.conf
/etc/init.d/settime.sh &
fi
変更後は保存してリブート！
tc@pCP:/opt$ sudo filetool.sh -b
Backing up files to /mnt/mmcblk0p2/tce/mydata.tgz /
Done.
tc@pCP:/opt$ sudo reboot
起動ログを確認してみる。
tc@pCP:~$ cat /var/log/pcp_boot.log
Starting piCorePlayer v8.0.0 startup...
Starting rngd using /dev/hwrng... Done.
Checking for boot files on mmcblk0p1...
Trying to mount /dev/mmcblk0p1.
ssh file found on mmcblk0p1.
newpcp.cfg not found on mmcblk0p1.
Setting default piCorePlayer repository...
Generating sound card drop-down list...
Starting WiFi on wlan0...
[ INFO ] Running /usr/local/etc/init.d/wifi...
wlan0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short long limit:2 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Starting WiFi... Done.
Loading piCorePlayer configuration file... Done.
Loading pcp-lms-functions... Done.
Waiting for sound card Headphones to populate......................................... Failed to find Headphones... Done (42).
Waiting for network. Done (1).
Starting Openssh server... Done.
Starting Squeezelite and/or Shairport-sync... Done.
Starting httpd web server... Done.
Starting to advertise pcp.local... Done.
Setting CPU scaling governor to ondemand... Done.
Creating static footer... Done.
Finished piCorePlayer v8.0.0 startup.
なんと、「TP-Link」が無い！！
「off/any」になってる。
この時点では自宅WiFiには接続されてないんだ。。。(T_T)
２．supplicant(認証用クライアント)の状態は？
WiFi接続する際のsupplicantで使用するコマンドはwpa_cliのようだ。
試してみる。
tc@pCP:/opt$ wpa_cli
wpa_cli v2.9
Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi> and contributors
This software may be distributed under the terms of the BSD license.
See README for more details.
Selected interface 'wlan0'
Interactive mode
> stuatus
bssid=40:xx:xx:xx:xx:32
freq=2452
ssid=TP-Link_BC32
id=0
id_str=Home
mode=station
wifi_generation=4
pairwise_cipher=CCMP
group_cipher=TKIP
key_mgmt=WPA2-PSK
wpa_state=COMPLETED
ip_address=192.168.3.90
address=88:xx:xx:xx:xx:5e
uuid=e92axxxx-xxxx-xxxx-xxxx-xxxxff278537
> q
tc@pCP:/opt$
という具合にオプションなしで起動するとインタラクティブモードになるようだ。
オプションを指定して実行するとコマンドとして処理できる。
tc@pCP:/opt$ wpa_cli -iwlan0 status
bssid=40:xx:xx:xx:xx:32
freq=2452
ssid=TP-Link_BC32
id=0
id_str=Home
mode=station
wifi_generation=4
pairwise_cipher=CCMP
group_cipher=TKIP
key_mgmt=WPA2-PSK
wpa_state=COMPLETED
ip_address=192.168.3.90
address=88:xx:xx:xx:xx:5e
uuid=e92axxxx-xxxx-xxxx-xxxx-xxxxff278537
こんな感じで状態が確認できることが分かった。
早速wlan0.shに追記して調べてみる。
tc@pCP:/opt$ sudo vi wlan0.sh
tc@pCP:/opt$ cat wlan0.sh
#!/bin/sh
# Maintained by piCorePlayer
echo "[ INFO ] Running $0..."
NWOK=1
until [ -d /sys/class/net/wlan0 ]
do
if [ $((CNT++)) -gt 50 ]; then
echo -n "${RED}No Ethernet Adapter [wlan0] Found!${NORMAL}"
NWOK=0
break
else
echo -n "."
sleep 0.5
fi
done
wpa_cli -iwlan0 status
iwconfig wlan0
if [ $NWOK -eq 1 ]; then
ifconfig wlan0 192.168.3.90 netmask 255.255.255.0 broadcast 192.168.3.255 up
route add default gw 192.168.3.1
sudo echo nameserver 192.168.3.1 > /etc/resolv.conf
/etc/init.d/settime.sh &
fi
変更後は保存してリブート！
tc@pCP:/opt$ sudo filetool.sh -b
Backing up files to /mnt/mmcblk0p2/tce/mydata.tgz /
Done.
tc@pCP:/opt$ sudo reboot
起動ログを確認してみる。
tc@pCP:~$ cat /var/log/pcp_boot.log
Starting piCorePlayer v8.0.0 startup...
Starting rngd using /dev/hwrng... Done.
Checking for boot files on mmcblk0p1...
Trying to mount /dev/mmcblk0p1.
ssh file found on mmcblk0p1.
newpcp.cfg not found on mmcblk0p1.
Setting default piCorePlayer repository...
Generating sound card drop-down list...
Starting WiFi on wlan0...
[ INFO ] Running /usr/local/etc/init.d/wifi...
wpa_state=SCANNING
address=88:xx:xx:xx:xx:5e
uuid=e92axxxx-xxxx-xxxx-xxxx-xxxxff278537
wlan0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short long limit:2 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Starting WiFi... Done.
Loading piCorePlayer configuration file... Done.
Loading pcp-lms-functions... Done.
Waiting for sound card Headphones to populate......................................... Failed to find Headphones... Done (42).
Waiting for network. Done (1).
Starting Openssh server... Done.
Starting Squeezelite and/or Shairport-sync... Done.
Starting httpd web server... Done.
Starting to advertise pcp.local... Done.
Setting CPU scaling governor to ondemand... Done.
Creating static footer... Done.
Finished piCorePlayer v8.0.0 startup.
なんと、「SCANNING」スキャン中だってさ。。。
原因は判明したが、さてどうするか、う～～ん。。。
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