shell结合crond做家长管理Parent control

结合crond，每分钟判断，做家长管理。
crond的命令行是
* * * * * /etc/cron.d/parentcontrol.sh

下面是脚本
/etc/cron.d/parentcontrol.sh

#!/bin/sh
currentweek="`date +%w`"
currenthour="`date +%k`"
currentminute="`date +%M`"
#currentTime="`date +%k:%M`"

needFreshRule=0;

#weekIn(){
#    weekdays=$1;
#    let pos=`echo "$weekdays" | awk -F ''$currentweek'' '{printf "%d", length($0)-length($NF)}'`
#    return $(($pos))
#}


timeCompare()
{
echo timeCompare: cur $currenthour:$currentminute  vs $1:$2
time_h=$1;
time_m=$2;
if [ $currenthour -eq $time_h ] && [ $currentminute -eq $time_m ];then
return 2;  #eq
elif [ "$currenthour" -eq "$time_h" ] && [ "$currentminute" -gt "$time_m" ];then
return 3;  #gt
elif [ "$currenthour" -eq "$time_h" ] && [ "$currentminute" -lt "$time_m" ];then
return 1;  #lt
elif [ "$currenthour" -lt "$time_h" ];then
return 1;  #lt
elif [ "$currenthour" -gt "$time_h" ];then
return 3;  #gt
fi
}


timeIn(){
echo timeIn: [ $1:$2 -  $3:$4 ]  $currenthour:"$currentminute"
timeS_h=$1;
timeS_m=$2;
timeE_h=$3;
timeE_m=$4;

vs_start=$(timeCompare $timeS_h  $timeS_m)
echo $vs_start
vs_start=$?
vs_end=$(timeCompare $timeE_h  $timeE_m)
echo $vs_end
vs_end=$?

#1 => "<" ; 2 => "=" ; 3 => ">"

if [ "$vs_start" -gt 1 ] && [ "$vs_end" -lt 3 ];then
return 1;
else
return 0;
fi
}

sum()
{
echo sum:$1,$2
return $(($1+$2));
}

checkFreshRulesDemand()
{
echo checkFreshRulesDemand:$1,$2,$3
weeks=$1;
Time_h=$2;
Time_m=$3;

isWeekIn=$(weekIn $weeks);
isWeekIn=$?;

if [ "$isWeekIn" -gt 0 ] ; then
if [ "$currenthour" -eq "$Time_h" ] && [ "$currentminute" -eq "$Time_m" ];then
return 1;
fi
fi
return 0;
}

addRules()
{
echo addRules: $1
mac=$1
ebtables -I PARENT_CONTROL -s $mac -j DROP
}

process_rule()
{
echo process_rule:$@
weeks=$1;
echo week=$weeks
macAddr=$2;
echo macAddr=$macAddr
T_en=$3;
echo T_en=$T_en
T_S_h=$4;
echo T_S_h=$T_S_h
T_S_m=$5;
echo T_S_m=$T_S_m
T_E_h=$6;
echo T_E_h=$T_E_h
T_E_m=$7;
echo T_E_m=$T_E_m


isWeekIn=$(weekIn $weeks);
isWeekIn=$?;
echo isWeekIn: $isWeekIn
if [ "$isWeekIn" -gt 0  ];then
if [ "$T_en" -gt 0 ];then
timein=$(timeIn $T_S_h $T_S_m  $T_E_h  $T_E_m);
echo $timein
timein=$?
echo timein:$timein
if [ "$timein" -gt 0 ];then
echo $(addRules $macAddr)
fi
fi
fi
}


rule1_week="1,2,3,4,5,6,7"
rule1_mac="11:22:33:44:55:66"
rule1_t1_enable="1"
rule1_t1_s_h=20
rule1_t1_s_m=10
rule1_t1_e_h=20
rule1_t1_e_m=50
rule1_t2_enable="1"
rule1_t2_s_h="08"
rule1_t2_s_m="10"
rule1_t2_e_h="20"
rule1_t2_e_m="50"


result=$(checkFreshRulesDemand $rule1_week $rule1_t1_s_h  $rule1_t1_s_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;


result=$(checkFreshRulesDemand $rule1_week $rule1_t1_e_h  $rule1_t1_e_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;

result=$(checkFreshRulesDemand $rule1_week $rule1_t2_s_h  $rule1_t2_s_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;

result=$(checkFreshRulesDemand $rule1_week $rule1_t2_e_h  $rule1_t2_e_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;

rule2_week="1,2,3,4,5,6,7"
rule2_mac="11:22:33:44:55:66"
rule2_t1_enable="1"
rule2_t1_s_h=11
rule2_t1_s_m=03
rule2_t1_e_h=20
rule2_t1_e_m=50
rule2_t2_enable="1"
rule2_t2_s_h=11
rule2_t2_s_m=02
rule2_t2_e_h=20
rule2_t2_e_m=50


result=$(checkFreshRulesDemand $rule2_week $rule2_t1_s_h  $rule2_t1_s_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;

result=$(checkFreshRulesDemand $rule2_week $rule2_t1_e_h  $rule2_t1_e_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;

result=$(checkFreshRulesDemand $rule2_week $rule2_t2_s_h  $rule2_t2_s_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;

result=$(checkFreshRulesDemand $rule2_week $rule2_t2_e_h  $rule2_t2_e_m)
result=$?;
needFreshRule=$(sum $result $needFreshRule);
needFreshRule=$?;


echo 186,$needFreshRule;
needFreshRule=1;

if [ "$needFreshRule" -gt "0" ];then
ebtables -D INPUT -j PARENT_CONTROL
ebtables -X PARENT_CONTROL
ebtables -I INPUT -j PARENT_CONTROL
ebtables -N PARENT_CONTROL -P ACCEPT
ebtables -F PARENT_CONTROL
process_rule $rule1_week $rule1_mac $rule1_t1_enable $rule1_t1_s_h $rule1_t1_s_m $rule1_t1_e_h $rule1_t1_e_m
echo $process_rule
process_rule $rule1_week $rule1_mac $rule1_t2_enable $rule1_t2_s_h $rule1_t2_s_m $rule1_t2_e_h $rule1_t2_e_m
echo $process_rule
process_rule $rule2_week $rule2_mac $rule2_t1_enable $rule2_t1_s_h $rule2_t1_s_m $rule2_t1_e_h $rule2_t1_e_m
echo $process_rule
process_rule $rule2_week $rule2_mac $rule2_t2_enable $rule2_t2_s_h $rule2_t2_s_m $rule2_t2_e_h $rule2_t2_e_m
echo $process_rule
fi