#!/bin/sh
PASSWD="adminx アカウントのパスワード平文"
SMBLOG="./smbstatus.log"
NSLOG="./netstat.log"
LOCKFILE="./auto_poweroff.lock"

## RAID scrubbing check
ps -ef | grep  "\[md1_resync\]"
if [ $? -eq 0 ]; then exit 0; fi
## RAID scrubbing check -- end

## established session check (UPNP, ftp, sftp, ssh)
netstat -ut > $NSLOG
M=`cat $NSLOG | wc -l`
while [ $M -gt 0 ]; do
        LINESTR=`sed -n $M\P $NSLOG`
        echo $LINESTR | grep -E "^(tcp|udp)" > /dev/null
        if [ $? -eq 0 ]; then
                SESSION=`echo $LINESTR | awk -F' ' '{print $6}'`
                if [ $SESSION = "ESTABLISHED" ]; then
                        IPPORT=`echo $LINESTR | awk -F' ' '{print $4}'`
                        echo $IPPORT | grep -E ":(5001|2222|ftp)$" > /dev/null
                        if [ $? -eq 0 ]; then break; fi
                        echo $IPPORT | grep -E ":ssh$" > /dev/null
                        if [ $? -eq 0 ]; then
                                CLIENT=`echo $LINESTR | awk -F' ' '{print $5}'`
                                CLIENTNAME=`echo $CLIENT | sed -e "s/^\(.\+\):[0-9]\+$/\1/g"`
                                IPADDR=`nslookup $CLIENTNAME | grep "Address" | tail -n 1 | sed -e "s/^Address.*:[ \t]\+\([0-9a-fA-F.:]\+\).*/\1/g"`
                                IPPORT="$IPADDR:`echo $CLIENT | sed -e "s/^.\+:\([0-9]\+\)$/\1/g"`"
                                SSHCLIENT="`echo $SSH_CLIENT | awk -F ' ' '{print $1}'`:`echo $SSH_CLIENT | awk -F ' ' '{print $2}'`"
                                if [ $IPPORT != $SSHCLIENT ]; then break; fi
                        fi
                fi
        fi
        M=`expr "$M" - 1`
done

if [ $M -gt 0 ]; then
        echo "$LINESTR"
        rm -f $LOCKFILE
        exit 0
fi
## UPNP session check -- end

## samba session check
echo $PASSWD | sudo -S /usr/builtin/bin/smbstatus -A > $SMBLOG
N=`cat $SMBLOG | wc -l`
while [ $N -gt 0 ]; do
        IPADDR=`sed -n $N\P $SMBLOG | awk -F' ' '{print $5}'`
        echo $PASSWD | sudo -S ping -c 1 -W 3 $IPADDR > /dev/null
        if [ $? -eq 0 ]; then break; fi
        N=`expr "$N" - 1`
done

if [ $N -gt 0 ]; then
        echo "IP $IPADDR is alive."
        rm -f $LOCKFILE
        exit 0
fi

if [ -e $LOCKFILE ]; then
        echo 'Execute poweroff'
        rm -f $LOCKFILE
        echo $PASSWD | sudo -S poweroff
        exit 2
else
        echo 'Check one more time later'
        echo -n > $LOCKFILE
fi

exit 1

#!/bin/bash
if [ $# -ne 1 ]; then
        echo "Usage: $0 [nas_server_address]"
        exit 2
fi

THIS_FILE_PATH=`dirname $0`
PASSWD="adminx アカウントのパスワード平文\n"

echo "["`date "+%Y%m%d_%H%M"`"]"

ping -c 1 -W 3 $1 > /dev/null
if [ $? -ne 0 ]; then
        echo "Target $1 in power-off. Quitting..."
        exit 1
fi

expect -c "
        set timeout 30
        spawn $THIS_FILE_PATH/chkfile.sh $1
        expect \"Password:\"
        send $PASSWD
        expect eof
        catch wait result; exit [lindex \$result 3]
"

if [ $? -ne 0 ]; then
        expect -c "
                set timeout 30
                spawn $THIS_FILE_PATH/scp.sh $1
                expect \"Password:\"
                send $PASSWD
                expect eof
                catch wait result; exit [lindex \$result 3]
        "
fi

expect -c "
        set timeout 30
        spawn $THIS_FILE_PATH/ssh.sh $1
        expect \"Password:\"
        send $PASSWD
        expect eof
        catch wait result; exit [lindex \$result 3]
"

#!/bin/bash
THIS_FILE_PATH=`dirname $0`
scp -p $THIS_FILE_PATH/auto_poweroff.sh adminx@$1:./

#!/bin/bash
ssh adminx@$1 "./auto_poweroff.sh" 

#!/bin/bash
ssh adminx@$1 "ls ./auto_poweroff.sh"
exit $?

NAS の I{P が 192.168.1.91 だった場合の例
*/15 * * * * ./nasctrl/sendscript.sh 192.168.1.91 >> ./nasctrl/nas01.log 2>&1