| Current File : //scripts/smtpport.sh |
#!/usr/bin/env bash
smtp_log=/var/log/smtp_log;
if [ "$#" -lt 1 ]
then
echo " " >/dev/null;
else
date_data=$(date -u);
echo -e "SMTP port enable and disable process start at $date_data(UTC)..........." >>$smtp_log;
ver_d=$(rpm -qa \*-release | grep -Ei "oracle|redhat|centos" | cut -d"-" -f3);
pos_status=0;
path_status=1;
syml_status=1;
csf_status=0;
if yum list installed | grep -F 'postfix' >>/dev/null;
then
echo "">/dev/null;
else
pos_status=1;
fi
master_file_path="/etc/postfix/master.cf";
ext_d="back_g";
c_path="/etc/postfix/master.cf";
d_path="/etc/postfix/master.cf";
csf_path="/etc/csf/csf.conf";
if [ -f "$master_file_path" ]
then
path_status=0;
if [ -h "$master_file_path" ]
then
syml_status=0;
echo "File is symlink ,lets handle with care " >>$smtp_log;
fi
else
echo "Postfix master.cf file is not exist" >> $smtp_log;
fi
if [ -f "$csf_path" ]
then
csf_status=0;
else
csf_status=1;
#echo "Please install csf ........">>$smtp_log;
fi
if [ "$path_status" == 0 ] && [ "$pos_status" == 0 ]
then
case $1 in
enable)
if [ "$csf_status" == 0 ]
then
if [ "$syml_status" == 0 ]
then
c_path=$(readlink $master_file_path);
fi
d_path=$c_path$ext_d;
if [ -f "$d_path" ];
then
yes | cp -avr $c_path $d_path >>$smtp_log;
else
cp -avr $c_path $d_path >>$smtp_log;
fi
n_csf_path=$csf_path$ext_d;
if [ -f "$n_csf_path" ];
then
yes | cp -avr $csf_path $n_csf_path >>$smtp_log;
else
cp -avr $csf_path $n_csf_path >>$smtp_log;
fi
#sed -i '/^26.*smtpd$/d' $c_path
sed -i '/^26.*smtpd/d' $c_path
echo "26 inet n - n - - smtpd" >>$c_path;
port_detail=$(grep -o "TCP_IN.*\"" $csf_path | sed -e 's/ //g' | sed 's/\"//g' | sed -e "s/\'//g" | sed -e 's/TCP_IN=//g');
port_detail1=$(echo $port_detail | sed -e "s/\,/ /g");
port_odetail=$(grep -o "TCP_OUT.*\"" $csf_path | sed -e 's/ //g' | sed 's/\"//g' | sed -e "s/\'//g" | sed -e 's/TCP_OUT=//g');
port_odetail1=$(echo $port_detail | sed -e "s/\,/ /g");
port_exist1=0;
port_exist2=0;
for a in $port_detail1
do
if [ "$a" == 26 ]
then
port_exist1=1;
fi
done
for b in $port_odetail1
do
if [ "$b" == 26 ]
then
port_exist2=1;
fi
done
if [ "$port_exist1" == 0 ]
then
line1=$(grep -n "TCP_IN.*\"" $csf_path | awk '{print $1}' FS=":");
if [ -z "$line1" ]
then
echo "" >/dev/null;
else
sed -i "${line1}d" $csf_path
fi
if [ -z "$port_detail" ]
then
echo -e "TCP_IN = \"26\" " >> $csf_path;
else
echo -e "TCP_IN = \"$port_detail,26\" " >> $csf_path;
fi
fi
if [ "$port_exist2" == 0 ]
then
line2=$(grep -n "TCP_OUT.*\"" $csf_path | awk '{print $1}' FS=":");
if [ -z "$line2" ]
then
echo "" >/dev/null;
else
sed -i "${line2}d" $csf_path
fi
if [ -z "$port_odetail" ]
then
echo -e "TCP_OUT = \"26\" " >> $csf_path;
else
echo -e "TCP_OUT = \"$port_odetail,26\" " >> $csf_path;
fi
fi
csf -r >/dev/null;
echo "------------------------------postfix restarted --------------------------" >>$smtp_log;
if [ "$ver_d" == 7 ]
then
systemctl restart postfix ;
else
service postfix restart ;
fi
echo "26 port enabled for SMTP" >>$smtp_log;
else
echo "Please install csf ........">>$smtp_log;
fi
;;
disable)
if [ "$csf_status" == 0 ]
then
if [ "$syml_status" == 0 ]
then
c_path=$(readlink $master_file_path);
fi
d_path=$c_path$ext_d;
if [ -f "$d_path" ];
then
yes | cp -avr $c_path $d_path >>$smtp_log;
else
cp -avr $c_path $d_path >>$smtp_log;
fi
n_csf_path=$csf_path$ext_d;
if [ -f "$n_csf_path" ];
then
yes | cp -avr $csf_path $n_csf_path >>$smtp_log;
else
cp -avr $csf_path $n_csf_path >>$smtp_log;
fi
port_detail=$(grep -o "TCP_IN.*\"" $csf_path | sed -e 's/ //g' | sed 's/\"//g' | sed -e "s/\'//g" | sed -e 's/TCP_IN=//g');
port_detail1=$(echo $port_detail | sed -e "s/\,/ /g");
port_odetail=$(grep -o "TCP_OUT.*\"" $csf_path | sed -e 's/ //g' | sed 's/\"//g' | sed -e "s/\'//g" | sed -e 's/TCP_OUT=//g');
port_odetail1=$(echo $port_detail | sed -e "s/\,/ /g");
port_exist1=0;
port_exist2=0;
p1="";
p2="";
for a in $port_detail1
do
if [ "$a" == 26 ]
then
port_exist1=1;
else
p1+="$a "
fi
done
for b in $port_odetail1
do
if [ "$b" == 26 ]
then
port_exist2=1;
else
p2+="$b ";
fi
done
#echo $outarray;
#echo $p1 |sed -e "s/ /\,/g"
if [ "$port_exist1" == 1 ]
then
line1=$(grep -n "TCP_IN.*\"" $csf_path | awk '{print $1}' FS=":");
if [ -z "$line1" ]
then
echo "" >/dev/null;
else
sed -i "${line1}d" $csf_path
fi
if [ -z "$p1" ]
then
echo -e "TCP_IN = \"\" " >> $csf_path;
else
p1=$(echo $p1 |sed -e "s/ /\,/g");
echo -e "TCP_IN = \"$p1\" " >> $csf_path;
fi
fi
if [ "$port_exist2" == 1 ]
then
line2=$(grep -n "TCP_OUT.*\"" $csf_path | awk '{print $1}' FS=":");
if [ -z "$line2" ]
then
echo "" >/dev/null;
else
sed -i "${line2}d" $csf_path
fi
if [ -z "$p2" ]
then
echo -e "TCP_OUT = \"\" " >> $csf_path;
else
p2=$(echo $p1 |sed -e "s/ /\,/g");
echo -e "TCP_OUT = \"$p2\" " >> $csf_path;
fi
fi
csf -r >/dev/null;
# echo $p1;
# echo $p2;
line3=$(grep -n "26.*smtpd" $c_path | awk '{print $1}' FS=":");
if [ -z "$line3" ]
then
echo "" >/dev/null;
else
sed -i "${line3}d" $c_path
fi
echo "------------------------------postfix restarted --------------------------" >>$smtp_log;
if [ "$ver_d" == 7 ]
then
systemctl restart postfix ;
else
service postfix restart ;
fi
echo "26 port has disabled for SMTP " >>$smtp_log;
else
echo "Please install csf ........">>$smtp_log;
fi
;;
getsmtp)
if [ "$syml_status" == 0 ]
then
c_path=$(readlink $master_file_path);
fi
smtp_text=$(grep -n "^26.*smtpd" $c_path)
if [ -z "$smtp_text" ]
then
echo "26 port not enabled " >> $smtp_log;
echo "0";
else
echo "26 port enabled " >> $smtp_log;
echo "1";
fi
echo "Get smtp detail part" >>$smtp_log;
;;
*)
echo "Please use valid data" >>$smtp_log;
;;
esac
fi
fi