阿里云DNS动态解析脚本增加ipv6

博主： BeiJiXS
发布时间：2019 年 11 月 07 日
917 次浏览
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1207字数
分类： CentOS 7

!> 我知道代码很乱，先将就用把:joy:

#!/bin/bash
	#

# Author: Beijixs
	# Version: 1.0
	# Date: 2019-11-3
	# Rely: python(json.tool) sort curl nslookup

PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin

# Shell Vars

_DEBUG=false
	_INFO=false
	_ERR=true
	Print=false
	Update=false

conf="/opt/usr/local/aliyun/dns.conf"
	# 配置文件路径
	age_sum=0
	declare -a g_pkey
	declare -a g_pval
	declare -a g_pkey_val
	declare -a parameter=($*)   # Get the parameters given by the user.
	pack_url=

RR=
	DomainName=
	Type=
	Value=
	MyIPv4=
	MyIPv6=
	Dev=
	IP_Status=
	_count=0

par_one=0
	for m in ${parameter[*]};do
		case $m in
			-p|-P)
				[ -z "${U_ACK}" ]&&Print=true&&P_ACK=1&&par_one=$((++par_one))
			;;
			-u|-U)
				[ -z "${P_ACK}" ]&&Update=true&&U_ACK=1&&par_one=$((++par_one))
			;;
			-v|-V)
				if [ ! -z "${U_ACK}"  -o ! -z "${P_ACK}" ]&&[ -z "${D_ACK}" ];then
					_INFO=true
					I_ACK=1
				fi
			;;
			-d|-D)
				if [ ! -z "${U_ACK}" -o ! -z "${P_ACK}" ]&&[ -z "${I_ACK}" ];then
					_DEBUG=true
					D_ACK=1
				fi
			;;
			-h|-H)
			;;
			*)
				echo -e "Unknown Option: \033[31m${m}\033[0m"
			;;
		esac
	done
	if [ ${par_one} -eq 0 ];then
	cat <<-EOF

UsAge: aliyun.sh item

-p|-P           Print record details.
		-u|-U           Update record value.
		-d|-D           DEBUG mode, the order of use of parameters can not be messed up.    
		-v|-V           INFO mode, the order of use of parameters can not be messed up.
		-h|-H           Display help information.

EOF
	exit 12

_debug(){
		${_DEBUG} && echo -e "\033[32m[DEBUG]\033[0m: $*"
	}
	_info(){
		${_INFO} && echo -e "\033[34m[INFO]\033[0m: $*"
	}
	_error(){
		${_ERR} && echo -e "\033[31m[ERROR]\033[0m: $*"
	}
	## ===== GET IPAddress ===== ##
	fun_get_ip(){

if ${Net_IP};then
		MyIPv4=$(curl -4 -s --connect-timeout 10 -m 5 "${GET_URL}")
		${IPv6}&&MyIPv6=$(curl -6 -s --connect-timeout 10 -m 5 "${GET_URL}")
	else
		MyIPv4=$(ip a s ${Dev}|grep "\<inet\>"|awk '{print $2}')
		${IPv6}&&MyIPv6=$(ip a s ${Dev}|grep -E "\<inet6.*global"|awk '{print $2}'|awk -F/ '{print $1}')
	fi
		_info "Local MyIPv4:" "$MyIPv4"
		_info "Local MyIPv6:" "$MyIPv6"
		_debug "Local MyIPv4:" "$MyIPv4"
		_debug "Local MyIPv6:" "$MyIPv6"

}

reset_func_ret(){
	# Initialize variables。
		_func_ret=""
	}

reset_func_vars(){
		g_pkey=()
		g_pval=()
		g_pkey_val=()
		rand_num=$(openssl rand -hex 16)
		_status=""
		_debug "Rand Number:" "${rand_num}"
	}

put_param(){
		g_pkey=(${g_pkey[*]} "$1")
		g_pval=(${g_pval[*]} "$2")
		#age_sum=$((++age_sum))
		age_sum=${#g_pkey[@]}
		# 将值保存在数组中
	}

# Initialize public parameters.
	put_params_public(){
		put_param  "Format" "JSON"   
		put_param  "AccessKeyId" "${AccessKeyId}"   
		put_param  "Version" "2015-01-09"  
		put_param  "SignatureMethod" "HMAC-SHA1"   
		put_param  "SignatureVersion" "1.0"

# time stamp
		local time_utc=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
		put_param  "Timestamp" "${time_utc}"
		_debug "Time Stamp:" "$time_utc"
		# SigatureNonce
		put_param  "SignatureNonce" "${rand_num}"
	}

put_params_DescribeDomainRecords(){

put_param  "Action" "DescribeSubDomainRecords"
		put_param  "DomainName" "${DomainName}"
		put_param  "SubDomain" "${SubDomain}"
		put_param  "RRKeyWord" "${RR}"
		put_param  "Type" "${Type}"
	}

put_params_UpdateDomainRecord(){

put_param  "Action" "UpdateDomainRecord"
		put_param  "RecordId" "${RecordId}"
		put_param  "RR" "${RR}"
		put_param  "Type"  "${Type}"
		put_param  "Value" "${Value}"
	}

put_params_AddDomainRecord(){

put_param  "Action" "AddDomainRecord"
		put_param  "DomainName" "${DomainName}"
		put_param  "RR" "${RR}"
		put_param  "Type" "${Type}"
		put_param  "Value" "${Value}"

}

fun_comb(){
		reset_func_ret
		local url
		local key val key_code val_code
		# Encode "key" and "value" respectively.
		# Sort Key

local I=0
		while [ $I -lt ${age_sum} ];do
			eval key="${g_pkey[$I]}"
			eval val="${g_pval[$I]}"
			fun_encode "$key"
			key_code="${_func_ret}"
			g_pkey[$I]=${key_code}
			fun_encode "$val"
			val_code="${_func_ret}"
			g_pval[$I]=${val_code}    
			I=$((++I))
		done
		# 对key和value分别进行编码，并替换数组中原有的值

for i in `seq 0 $((${age_sum}-1))`;do
			declare -a g_pkey_val[$i]="${g_pkey[$i]}=${g_pval[$i]}"
		done
		# 将两个数组中的值结合，key=value，并保存在新的数组中
		# key=value 
		g_pkey_val=($(
			for m in $(seq 0 $((${#g_pkey_val[*]}-1)));do
				echo ${g_pkey_val[$m]}
			done| LC_COLLATE=C sort
		))  # 对数组进行排序
		_debug "Sort:" "${g_pkey_val[*]}"
		# Sort key
		local I=0
		while [ $I -lt ${#g_pkey_val[*]} ];do
			url="$url${g_pkey_val[$I]}&"
			let I++
		done    # 结合url
		_debug "Pack Url:" "$url"
		# Delete last "&"
		url=$(echo $url|grep -o ".*[^&]")
		# _func_ret=$url
		pack_url=$url
		_debug "Initial URL:" "$pack_url"
	}

fun_encode(){
		reset_func_ret
		local string="${1}"
		local strlen="${#string}"
		local encoded=""
		local count s d

count=0
		while [ $count -lt $strlen ];do
			s=${string:$count:1}
			case "$s" in
				[-_.~a-zA-Z0-9])
					d=${s}
				;;
				*)
					d=$(printf "%%%02X" "'$s")
			esac
			encoded="${encoded}${d}"
			count=$((++count))
		done
		_func_ret=$encoded
		# 编码算法
	}

string_to_sign(){
		local string=${pack_url}
		fun_encode "$string"
		string="GET&%2F&${_func_ret}"
		_debug "String to be signed:" "$string"
		local key_sign="${AccessKeySec}&"
		str_sign=$(echo -n "$string"|openssl dgst -binary -sha1 -hmac ${key_sign} | openssl enc -base64)
		_debug "Signature result:" "${str_sign}"
		fun_encode "$str_sign"
		_debug "Coding result:" "${_func_ret}"
		req_addr="https://alidns.aliyuncs.com/?${pack_url}&Signature=${_func_ret}"
		_debug "Real request URL:" "$req_addr"
	}

fun_update(){
		reset_func_vars     # Initialize variables and arrays.
		put_params_public   # Defining public parameters.
		put_params_UpdateDomainRecord
		fun_comb    # Sort parameters and combine urls.
		string_to_sign  # signature

_info "Result"
		_debug "Result"
		#curl -s ${req_addr} |python -m json.tool
		local INFO=$(curl -s ${req_addr} --silent --connect-timeout 10 -w "Status:%{http_code}\n")
		_status=$(echo ${INFO}|grep -o "Status.*"|awk -F: '{print $2}' )
		_debug "${INFO}"
		_info "${INFO}"

if [ ${_status} = 200 ];then
			return 0
		fi
			return 1

}
	fun_add_record(){
		_info "Adding record..."
		_debug "Adding record..."
		reset_func_vars     # Initialize variables and arrays.
		put_params_public   # Defining public parameters.
		put_params_AddDomainRecord
		fun_comb
		string_to_sign  # signature
		_info "Result"
		_debug "Result"
		local INFO=$(curl -s ${req_addr} --silent --connect-timeout 10 -w "Status:%{http_code}\n")
		_status=$(echo ${INFO}|grep -o "Status.*"|awk -F: '{print $2}' )
		_debug "${INFO}"
		_info "${INFO}"
		if [ ${_status} = 200 ];then
			_info "Add record successfully."
			_debug "Add record successfully."
			return 0
		fi
			_info "Add record failed.Do you own the domain name?(${DomainName})"
			_debug "Add record failed.Do you own the domain name?(${DomainName})"
			return 100

}

fun_check(){
		local SubDomain=${SubDomain}
		if [ ${SubDomain:0:1} == "@" ];then
			SubDomain=${DomainName}
		fi
		#local IP=$(dig @${DNS_Server} ${SubDomain} +short)
		local IP="$(nslookup -query=${Type} ${SubDomain} ${DNS_Server}|grep "Name" -A 1|tail -1|awk '{print $2}')"
		_debug "Last IP:" ${IP}
		_info "Last IP:" ${IP}
		if [ "$IP" == "${Value}" ];then
			_info "SubDomain: ${SubDomain}"
			_debug "SubDomain: ${SubDomain}"
			_info  "The IP address is the same as the local IP address. No need to modify it."
			_debug  "The IP address is the same as the local IP address. No need to modify it."
			return 0
		else
			return 1
		fi

}

fun_print(){
		[ "${IPv6}" = "false" -a ${Type} = "AAAA" ]&&return 133
		reset_func_vars     # Initialize variables and arrays.
		put_params_public   # Defining public parameters.
		put_params_DescribeDomainRecords    # Defining unique parameters.
		fun_comb    # Sort parameters and combine urls.
		string_to_sign  # signature
		_info "Request completed:"
		#curl -s  $req_addr|python -m json.tool
		curl -s $req_addr|python -m json.tool|grep -E "DomainName|RR|Type|Value|RecordId|Message"|sed "s#\"##g;s#,##;s#^[[:space:]]*##g"| \
		awk -v b=${SubDomain} 'BEGIN{print "\n------------------------------------\n","   SubDomain :  ",b,"\n------------------------------------"} \
		BEGIN{printf "\tKey\t\tValue\n------------------------------------\n"} \
		{printf "    %-16s%-10s\n",$1,$2} \
		END{printf "------------------------------------\n\n"}'

}

fun_check_id(){
		local check=${1}
		local tmp=""
		if [ -z "${1}" ];then
			_debug "RecordId does not exist." 
			_debug "Find recordId."
			tmp=$(fun_print|grep "RecordId"|awk '{print $2}')
			if [ -z ${tmp} ];then
				_debug "No such record."
				return 20
			else
				_debug "RecordId" "${tmp}"
				RecordId=${tmp}
				sed -i "s#^Domain \"${Type}\" \"${DomainName}\" \"${RR}\".*#Domain \"${Type}\" \"${DomainName}\" \"${RR}\" \"$RecordId\"#" ${conf}
				return 0
			fi
		fi
			return 0
	}

fun_to_update(){
		if [ ${IP_Status} -eq 1 -a ${Type} = "AAAA" ];then
			_info "Skip:" "Ipv6 failed to get rid of ipv6 record updates."
			_debug "Skip:" "Ipv6 failed to get rid of ipv6 record updates."
			return 3
		elif [ ${IP_Status} -eq 2 -a ${Type} = "A" ];then
			_info "Skip:" "Ipv4 failed to get rid of ipv6 record updates."
			_debug "Skip:" "Ipv4 failed to get rid of ipv6 record updates."
			return 4
		fi

if fun_check;then
			return 0
		fi

if fun_check_id ${RecordId};then
			if fun_update;then
				_debug "Update completed."
				_info "Update completed."
				return 0
			else    
				_error "Update failed." "Try updating \"RecordId\"."
				RecordId=""
				if fun_check_id ${RecordId};then
					if fun_update;then
						_debug "Update completed."
						_info "Update completed."
						return 0
					fi
						_error "Update failed.(Unknown reason)"

else
					_error "No such record." "Will automatically add records."
					fun_add_record
					# ADD Record
				fi
			fi
		else
			_error "No such record." "Will automatically add records."
			# ADD Record
			fun_add_record
		fi

}

fun_check_conf(){
		local index=0
		local Key=()
		local Value=()
		Key=("AccessKeyId" "AccessKeySec" "Dev" "Net_IP" "GET_URL" "DNS_Server" "IPv6")
		Value=("${AccessKeyId}" "${AccessKeySec}" "${Dev}" "${Net_IP}" "$GET_URL" "${DNS_Server}" "${IPv6}")
		for I in ${Key[*]};do
			if [ -z "${Value[$index]}" ];then
				case $I in
					Net_IP|AccessKeyId|AccessKeySec)
					_error "$I" "This value cannot be empty"
					exit 15
					;;
					GET_URL)
						GET_URL="ip.sb"
						_info "Default GET_URL:" "${GET_URL}"
						_debug "Default GET_URL:" "${GET_URL}"
					;;
					DNS_Server)
						DNS_Server="dns23.hichina.com"
						_info "Default DNS_Server:" "${DNS_Server}"
						_debug "Default DNS_Server:" "${DNS_Server}"
					;;
					IPv6)
						IPv6=false
						_info "Default IPv6:" "${IPv6}"
						_debug "Default IPv6:" "${IPv6}"
					;;
				esac
			fi
			index=$((++index))
		done

[ ${IPv6} != "true" -a ${IPv6} != "false" ]&&_error "IPv6:" "Unknown value.(Value: true|false)"&&exit 12
		[ ${Net_IP} != "true" -a ${Net_IP} != "false" ]&&_error "Net_IP:" "Unknown value.(Value: true|false)"&&exit 12
		[ ${Net_IP} == "false" -a -z "${Dev}" ]&&_error "\"Net_IP\" is false, \"Dev\" cannot be empty"&&exit 12

}

fun_check_ip(){
		case ${IPv6} in
			true)
				if [ ! -z "${MyIPv4}" -a ! -z "${MyIPv6}" ];then
					IP_Status=0
				elif [ ! -z "${MyIPv4}" -a -z "${MyIPv6}" ];then
					IP_Status=1
					_error "Skip:" "Ipv6 address acquisition failed, will not update the A record"
				elif [ -z "${MyIPv4}" -a ! -z "${MyIPv6}" ];then
					IP_Status=2
					_error "Skip:" "Ipv4 address acquisition failed, will not update A record."
				else
					_error "Can't get ipv4 and ipv6 address."
					exit 52
				fi
			;;
			false)
				IP_Status=1
				_info "Skip:" "Ipv6 record update has been closed and AAAA record will not be updated."
				if [ -z "${MyIPv4}" ];then
					_error "Failed to get Ipv4 address."
					exit 51
				fi
			;;
		esac
	}

fun_check_domain(){
		local D_Key=("Type" "DomainName" "RR" "RecordId")
		local D_Val=("${Type}" "${DomainName}" "${RR}" "${RecordId}")
		for i in {0..2};do
			if [ -z "${D_Val[$i]}" ];then
				_error "${D_Key[$i]}" "None"
				return 25
			fi
		done
		if [ ${Type} = "A" ];then
			Value=${MyIPv4}
		elif [ ${Type} = "AAAA" ];then 
			Value=${MyIPv6}
		else
			_error "Unknow Type:" "${Type}"
			return 12
		fi

[ -z "${D_Val[3]}" ]&&_info "RecordId:" "None"
		_debug "SubDomain:" "${RR}.${DomainName}"
		_info "SubDomain:" "${RR}.${DomainName}"

return 0
	}
	# 引入配置文件
	Domain(){
	# Main function
	_debug "--------------------------------------------------------------------------------------------------------"
	_info  "--------------------------------------------------------------------------------------------------------"

DomainName="${2}" 
		Type="${1}"
		RR="${3}"
		SubDomain="${RR}.${DomainName}"
		RecordId=${4}

if [ ${_count} = 0 ];then   
		# check_conf
			fun_check_conf
		# get_ip
			fun_get_ip
		# check_ip
			fun_check_ip
			_count=1
		fi

if fun_check_domain;then
			${Print}&&fun_print
			${Update}&&fun_to_update
		fi

}
	. ${conf}

!> 配置文件需要严格遵守格式

# AccessKeyId=""
	# AccessKeySec=""
	#

AccessKeyId=""
	AccessKeySec=""

# Set the network interface to obtain the ip address. This value is invalid when "Net_IP" is "true". 
	Dev="ppp0"
	# "Net_IP" is not available, boolean value
	# Net_IP=false
	Net_IP=false
	# This value is not available when "Net_IP" is "true".
	GET_URL="ip.sb"
	# On IPv6,Defalut flase
	IPv6=true

# Aliyun "DNS" server address, if not clear, please do not modify.
	#

DNS_Server="dns23.hichina.com"

# Domian "Type" "DomainName" "RRKeyWord" "RecordId"
	# Do not know "RecordId", please leave it blank. as follows.
	# Domain "A" "beijixs.cn" "www"
	#
	# The "RecordId" will be automatically added to the configuration file in the second parsing, please do not manually define.

Domain "A" "beijixs.cn" "blog"

------------

最后修改：2019 年 11 月 15 日

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阿里云DNS动态解析脚本增加ipv6

BeiJiXS • 2019 年 11 月 07 日

!> 我知道代码很乱，先将就用把:joy:

#!/bin/bash
	#

# Author: Beijixs
	# Version: 1.0
	# Date: 2019-11-3
	# Rely: python(json.tool) sort curl nslookup

PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin

# Shell Vars

_DEBUG=false
	_INFO=false
	_ERR=true
	Print=false
	Update=false

RR=
	DomainName=
	Type=
	Value=
	MyIPv4=
	MyIPv6=
	Dev=
	IP_Status=
	_count=0

UsAge: aliyun.sh item

EOF
	exit 12

}

reset_func_ret(){
	# Initialize variables。
		_func_ret=""
	}

reset_func_vars(){
		g_pkey=()
		g_pval=()
		g_pkey_val=()
		rand_num=$(openssl rand -hex 16)
		_status=""
		_debug "Rand Number:" "${rand_num}"
	}

put_param(){
		g_pkey=(${g_pkey[*]} "$1")
		g_pval=(${g_pval[*]} "$2")
		#age_sum=$((++age_sum))
		age_sum=${#g_pkey[@]}
		# 将值保存在数组中
	}

put_params_DescribeDomainRecords(){

put_param  "Action" "DescribeSubDomainRecords"
		put_param  "DomainName" "${DomainName}"
		put_param  "SubDomain" "${SubDomain}"
		put_param  "RRKeyWord" "${RR}"
		put_param  "Type" "${Type}"
	}

put_params_UpdateDomainRecord(){

put_param  "Action" "UpdateDomainRecord"
		put_param  "RecordId" "${RecordId}"
		put_param  "RR" "${RR}"
		put_param  "Type"  "${Type}"
		put_param  "Value" "${Value}"
	}

put_params_AddDomainRecord(){

put_param  "Action" "AddDomainRecord"
		put_param  "DomainName" "${DomainName}"
		put_param  "RR" "${RR}"
		put_param  "Type" "${Type}"
		put_param  "Value" "${Value}"

}

fun_comb(){
		reset_func_ret
		local url
		local key val key_code val_code
		# Encode "key" and "value" respectively.
		# Sort Key

fun_encode(){
		reset_func_ret
		local string="${1}"
		local strlen="${#string}"
		local encoded=""
		local count s d

if [ ${_status} = 200 ];then
			return 0
		fi
			return 1

}

if fun_check;then
			return 0
		fi

}

[ -z "${D_Val[3]}" ]&&_info "RecordId:" "None"
		_debug "SubDomain:" "${RR}.${DomainName}"
		_info "SubDomain:" "${RR}.${DomainName}"

DomainName="${2}" 
		Type="${1}"
		RR="${3}"
		SubDomain="${RR}.${DomainName}"
		RecordId=${4}

if [ ${_count} = 0 ];then   
		# check_conf
			fun_check_conf
		# get_ip
			fun_get_ip
		# check_ip
			fun_check_ip
			_count=1
		fi

if fun_check_domain;then
			${Print}&&fun_print
			${Update}&&fun_to_update
		fi

}
	. ${conf}

!> 配置文件需要严格遵守格式

# AccessKeyId=""
	# AccessKeySec=""
	#

AccessKeyId=""
	AccessKeySec=""

# Aliyun "DNS" server address, if not clear, please do not modify.
	#

DNS_Server="dns23.hichina.com"

Domain "A" "beijixs.cn" "blog"

------------

阿里云DNS动态解析脚本增加ipv6

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阿里云DNS动态解析脚本增加ipv6

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阿里云DNS动态解析脚本增加ipv6

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