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ddns.sh
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#!/opt/bin/bash
#########################################################################
# File Name: ddns.sh
# Author: cmheia
# mail: [email protected]
# Created Time: 2015/04/11 00:55
#########################################################################
#source /etc/profile
export PATH='/opt/sbin:/opt/bin:/opt/usr/sbin:/opt/usr/bin:/bin:/usr/bin:/sbin:/usr/sbin'
################################################################################
# domain config
################################################################################
login_email="[email protected]"
login_password="password"
domain_id_array=( 2317346 )
record_id_array=( 16894439 16894440 16894441 )
sub_domain_array=( "@" "*" "www" )
record_type_array=( "A" "A" "A" )
record_line="%E9%BB%98%E8%AE%A4"
format="json"
################################################################################
# environment config
################################################################################
wan_if_name="ppp0"
work_dir="/root"
log_dir=$work_dir"/ddns"
################################################################################
# generic config
################################################################################
max_checker=16
################################################################################
# constants
################################################################################
# get newest by such command
# wget http://curl.haxx.se/ca/cacert.pem -O /opt/etc/cacert.pem
# curl http://curl.haxx.se/ca/cacert.pem -o /opt/etc/cacert.pem
cacert="/opt/etc/cacert.pem"
saved_global_ip=$log_dir"/saved_global_ip.log"
trace_log=$log_dir"/trace.log"
output_tmp=$log_dir"/output_tmp.log"
output_log=$log_dir"/output.log"
check_time=$log_dir"/checks.log"
message_log=$log_dir"/message.log"
################################################################################
# dnspod api
################################################################################
apiurl_ddns="https://dnsapi.cn/Record.Ddns"
apiurl_info="https://dnsapi.cn/Record.Info"
apiurl_modify="https://dnsapi.cn/Record.Modify"
################################################################################
# variables
################################################################################
dns_ip=
global_ip=
interface_ip=
current_checks=
################################################################################
# functions
################################################################################
log_msg()
{
logger -t DDNS "$@"
echo "$@" >> "$message_log"
echo "$@"
}
check_files()
{
if [ x$1 = x1 ]; then
if [ ! -d "$log_dir" ] ; then
mkdir "$log_dir"
echo "0" >> "$check_time"
fi
else
chmod 600 "$log_dir" -R
cat "$check_time"
fi
}
update_check_time()
{
if [ ! -e "$check_time" ] ; then
echo "0" >> "$check_time"
fi
eval checkd=$(cat "$check_time")
checkd=$(($checkd+1))
if [ $checkd -gt $max_checker ] ; then
echo "0" > "$check_time"
else
echo $checkd > "$check_time"
fi
current_checks=$checkd
}
update_ddns_naked_record()
{
curl -s --cacert $cacert -X POST $apiurl_ddns -d "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2&record_line=$record_line" --trace "$trace_log" > "$output_tmp"
log_msg "update ddns record domain_id=$1&record_id=$2"
log_msg $(cat $output_tmp)
cat "$output_tmp" >> "$output_log"
echo -e "" >> "$output_log"
# echo "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2&record_line=$record_line"
}
update_ddns_wildcard_record()
{
# echo "output_tmp" > "$output_tmp"
curl -s --cacert $cacert -X POST $apiurl_ddns -d "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2&record_line=$record_line&sub_domain=*" --trace "$trace_log" > "$output_tmp"
log_msg "update ddns record domain_id=$1&record_id=$2"
log_msg $(cat $output_tmp)
cat "$output_tmp" >> "$output_log"
echo -e "" >> "$output_log"
# echo "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2&record_line=$record_line"
}
update_ddns_subname_record()
{
# echo "output_tmp" > "$output_tmp"
curl -s --cacert $cacert -X POST $apiurl_ddns -d "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2&record_line=$record_line&sub_domain=$3" --trace "$trace_log" > "$output_tmp"
log_msg "update ddns record domain_id=$1&record_id=$2"
log_msg $(cat $output_tmp)
cat "$output_tmp" >> "$output_log"
echo -e "" >> "$output_log"
# echo "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2&record_line=$record_line"
}
modify_dns_record()
{
curl -s --cacert $cacert -X POST $apiurl_modify -d "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2&sub_domain=$3&value=$4&record_type=$5&record_line=$record_line" > "$output_tmp"
log_msg "modify dns record domain_id=$1&record_id=$2&sub_domain=$3&value=$4&record_type=$5"
log_msg $(cat $output_tmp)
cat "$output_tmp" >> "$output_log"
echo -e "" >> "$output_log"
}
save_global_ip()
{
echo saving_global_ip:"$global_ip"
cat > "$saved_global_ip"<<-EOF
${global_ip}
EOF
}
get_global_ip()
{
update_check_time
echo current_checks:$current_checks
echo "ip_dectoris:"
case "$current_checks" in
"1" )
echo "ip138.com"
global_ip=`curl -s http://1111.ip138.com/ic.asp | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'`
;;
"2" )
echo "net.cn"
global_ip=`curl -s http://www.net.cn/static/customercare/yourip.asp | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -n 1`
;;
"3" )
echo "3322.org"
global_ip=`curl -s http://members.3322.org/dyndns/getip`
;;
"4" )
echo "123cha.com"
global_ip=`curl -s http://www.123cha.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -n 1`
;;
"5" )
echo "ip123.com"
global_ip=`curl -s http://www.ip123.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1`
;;
"6" )
echo "valu.cn"
global_ip=`curl -s http://ip.valu.cn/ | grep '</td>' | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'`
;;
"7" )
echo "ip.cn"
global_ip=`curl -s http://www.ip.cn/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -n 1`
;;
"8" )
echo "ip38.com"
global_ip=`curl -s http://ip38.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'`
;;
"9" )
echo "dheart.net"
global_ip=`curl -s http://www.dheart.net/ip/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -n 1`
;;
"10" )
echo "aosoo.com"
global_ip=`curl -s http://ip.aosoo.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'`
;;
"11" )
echo "ip2location.com"
global_ip=`curl -s http://www.ip2location.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | tail -1`
;;
"12" )
echo "iplocation.net"
global_ip=`curl -s http://www.iplocation.net/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -n 1`
;;
"13" )
echo "myip.cn"
global_ip=`curl -s http://www.myip.cn/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1`
;;
"14" )
echo "ipaddress.com"
global_ip=`curl -s http://ipaddress.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -n 1`
;;
"15" )
echo "slogra.com"
global_ip=`curl -s http://www.slogra.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1`
;;
"16" )
echo "b4secure.com"
global_ip=`curl -s http://www.b4secure.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'`
;;
"17" )
echo "dyndns.com"
global_ip=`curl -s http://checkip.dyndns.com/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'`
;;
"18" )
echo "infosniper.net"
global_ip=`curl -s http://www.infosniper.net/ | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -n 1`
;;
esac
save_global_ip
current_global_ip=$global_ip
}
get_interface_ip()
{
interface_ip=`ifconfig $wan_if_name | grep -o '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*' | head -1`
}
get_dns_record_info()
{
dns_ip=`curl -s --cacert $cacert -X POST $apiurl_info -d "login_email=$login_email&login_password=$login_password&format=$format&domain_id=$1&record_id=$2" | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}'`
}
################################################################################
# start here
################################################################################
cd "$work_dir"
check_files "1"
################################################################################
# get interface ip address
################################################################################
get_interface_ip
valid_interface_ip=`echo "$interface_ip" | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | wc -l`
if [ x"1" != x"$valid_interface_ip" ]; then
log_msg "interface_ip is illegal, abort."
exit
fi
echo "valid:interface_ip [$interface_ip]"
################################################################################
# get current global ip address
################################################################################
get_global_ip
if [ -z "$current_global_ip" ]; then
log_msg "current_global_ip is empty, retry."
get_global_ip
if [ -z "$current_global_ip" ]; then
log_msg "current_global_ip still empty, retry."
get_global_ip
if [ -z "$current_global_ip" ]; then
log_msg "current_global_ip still empty after 3 trys, abort."
exit
fi
fi
fi
echo "fetched:current_global_ip [$current_global_ip]."
valid_global_ip=`cat "$saved_global_ip" | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | wc -l`
if [ x"1" != x"$valid_global_ip" ]; then
log_msg "current_global_ip is illegal, abort."
exit
fi
echo "valid:current_global_ip [$current_global_ip]."
################################################################################
# get dns record
################################################################################
get_dns_record_info "${domain_id_array[0]}" "${record_id_array[0]}"
valid_dns_ip=`echo "$dns_ip" | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | wc -l`
if [ x"1" != x"$valid_dns_ip" ]; then
log_msg "dns_ip is illegal, abort."
exit
fi
echo "valid:dns_ip [$dns_ip]"
#dns_ip="1.1.1.1"
################################################################################
# if global ip arrdess not equals to interface ip address, your're in innernet.
################################################################################
if [ x"$interface_ip" != x"$current_global_ip" ]; then
log_msg "innernet, re dial. i=[$interface_ip],o=[$current_global_ip]"
service wan restart
exit
fi
echo "net type:internet"
################################################################################
# if dns record not equals to interface ip address, re dial happened.
################################################################################
if [ x"$dns_ip" = x"$current_global_ip" ]; then
echo "nothing to do."
else
echo "submit new ip."
# echo "modify dns record domain_id=${domain_id_array[0]}&record_id=${record_id_array[2]}&sub_domain=${sub_domain_array[2]}&value=$current_global_ip&record_type=${record_type_array[2]}"
modify_dns_record "${domain_id_array[0]}" "${record_id_array[0]}" "${sub_domain_array[0]}" "$current_global_ip" "${record_type_array[0]}"
modify_dns_record "${domain_id_array[0]}" "${record_id_array[1]}" "${sub_domain_array[1]}" "$current_global_ip" "${record_type_array[1]}"
modify_dns_record "${domain_id_array[0]}" "${record_id_array[2]}" "${sub_domain_array[2]}" "$current_global_ip" "${record_type_array[2]}"
# renew dns record
# log_msg "update ddns record from " "$dns_ip" " to " "$current_global_ip"
# update_ddns_naked_record "${domain_id_array[0]}" "${record_id_array[0]}"
# update_ddns_wildcard_record "${domain_id_array[0]}" "${record_id_array[1]}"
fi
check_files "2"
################################################################################
# EOF
################################################################################