Aliyun动态域名解析脚本(参考原作者修改)-学到不少东西

博主： BeiJiXS
发布时间：2019 年 11 月 02 日
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1702字数
分类： CentOS 7

代码如下：

#!/bin/bash
	#
	PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin

AGE=$1
	case "$AGE" in
		-p|-P)
		;;
		-u|-U)
		;;
		*)
	cat <<-EOF
	UsAge: aliyun.sh item

-p,-P           Print record details.
	-u,-U           Update record value.
	-p|-u -d|-D     DEBUG mode, the order of use of parameters can not be messed up.    
	-p|-u -v|-V     INFO mode, the order of use of parameters can not be messed up.
	EOF
		;;
	esac
	conf="/opt/usr/local/aliyun/dns.conf"
	TEST=$2
	case "$TEST" in
		-d|-D)
			_DEBUG=true
			_INFO=false #  true|false
		;;
		-v|-V)
			_INFO=true
			_DEBUG=false #  true|false
		;;
		*)
			_DEBUG=false #  true|false
			_INFO=false #  true|false
		;;  
	esac

# vars 
	age_sum=0
	declare -a g_pkey
	declare -a g_pval
	declare -a g_pkey_val
	pack_url=

RR=
	DomainName=
	# Age 
	#_DEBUG=false #  true|false
	#_DEBUG=true #  true|false
	_ERR=true
	#_INFO=false
	_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: $*"
	}
	## ===== GET IPAddress ===== ##
	dev=ppp0
	MyIPv4=$(ip a s ${dev}|grep "\<inet\>"|awk '{print $2}')
	MyIPv6=$(ip a s ppp0|grep -E "\<inet6.*global"|awk '{print $2}'|awk -F/ '{print $1}')

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

reset_func_vars(){
		g_pkey=()
		g_pval=()
		g_pkey_val=()
		rand_num=$(openssl rand -hex 16)
		_debug "Rand Number:" "${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" "DescribeDomainRecords"
		put_param  "Action" "DescribeSubDomainRecords"
		put_param  "DomainName" "${DomainName}"
		put_param  "SubDomain" "${SubDomain}"
		put_param  "RRKeyWord" "${RR}"
	}

put_params_UpdateDomainRecord(){
		put_param  "Action" "UpdateDomainRecord"
		#put_param  "DomainName" "beijixs.cn"
		put_param  "RecordId" "${RecordId}"
		put_param  "RR" "${RR}"
		put_param  "Type"  "A"
		put_param  "Value" "${MyIPv4}"
	}

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"
		curl -s ${req_addr} |python -m json.tool

}
	fun_check(){
		local SubDomain=${SubDomain}
		if [ ${SubDomain:0:1} == "@" ];then
			SubDomain=${DomainName}
		fi
		local IP=$(dig @${DNS_Server} ${SubDomain} +short)
		if [ "$IP" == "$MyIPv4" ];then
			_info "SubDomain: ${SubDomain}"
			_info  "The IP address is the same as the local IP address. No need to modify it."
			_info "---------------------------------------------------------------------------"
			return 0
		else
			return 1
		fi

}
	# 引入配置文件
		_info "Local IPv4:" "${MyIPv4}"
		_info "Local IPv6:" "${MyIPv6}"
	Domain(){
		DomainName="${1}" 
		_debug "DomainName:" "${DomainName}"
		_info "DomainName:" "${DomainName}"
		RR="${2}"
		_debug "RRKeyWord:" "${RR}"    
		_info "RRKeyWord:" "${RR}"    
		SubDomain="${RR}.${DomainName}"
		RecordId=${3}
		local reid=${3}

case ${AGE} in
			-p|-P)
				fun_print
			;;
			-u|-U)
				if fun_check;then
					return 0
				fi
				if [ -z ${RecordId} ];then
						RecordId=$(fun_print|grep "RecordId"|awk '{print $2}')
						_debug "RecordId:" $RecordId
						[ -z $RecordId ]&& _error "RecordId:" "None" && return 9
						fun_update
							sed -i "s#\"${DomainName}\" \"${RR}\"#& \"$RecordId\"#" ${conf}
				else
					fun_update
					if fun_check &> /dev/null;then
						return 0
					fi
						_error "RecordId:" "Does not match, need to be updated."
						RecordId=$(fun_print|grep "RecordId"|awk '{print $2}')
						_debug "RecordId" $RecordId
						[ -z $RecordId ]&& _ERR "RecordId:" "None" && return 9
						fun_update
						sed -i "s#${reid}#${RecordId}#" ${conf}
				fi

;;
		esac
	}

fun_print(){
		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 -F: 'BEGIN{printf "\tKey\t\tValue\n------------------------------------\n"}{printf "    %-16s%-10s\n",$1,$2}END{printf "------------------------------------\n"}'
	}

. ${conf}

配置文件

# AccessKeyId=""
	# AccessKeySec=""
	#

AccessKeyId="LTAI4FsCkhk1BGEVWeGsApjd"
	AccessKeySec="cdsRObozc9VX2NkZdcdsddstLRwdX"
	DNS_Server="dns23.hichina.com"

# Domian "DomainName" "RecordId"
	# Do not know "RecordId", please leave it blank. as follows
	# Domain "beijixs.cn" "www"
	#
	Domain "beijixs.cn" "blog" 
	
!> 使用简单，修改配置文件即可(注意脚本中指定的配置文件路径)

![](https://blog.beijixs.cn/usr/uploads/2019/11/2622943395.png)
查看解析情况
![](https://blog.beijixs.cn/usr/uploads/2019/11/3110993731.png)
更新记录
!> IPv6暂时没有做

最后修改：2019 年 11 月 02 日

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Aliyun动态域名解析脚本(参考原作者修改)-学到不少东西

BeiJiXS • 2019 年 11 月 02 日

代码如下：

#!/bin/bash
	#
	PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin

AGE=$1
	case "$AGE" in
		-p|-P)
		;;
		-u|-U)
		;;
		*)
	cat <<-EOF
	UsAge: aliyun.sh item

# vars 
	age_sum=0
	declare -a g_pkey
	declare -a g_pval
	declare -a g_pkey_val
	pack_url=

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

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

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

;;
		esac
	}

. ${conf}

配置文件

# AccessKeyId=""
	# AccessKeySec=""
	#

AccessKeyId="LTAI4FsCkhk1BGEVWeGsApjd"
	AccessKeySec="cdsRObozc9VX2NkZdcdsddstLRwdX"
	DNS_Server="dns23.hichina.com"

![](https://blog.beijixs.cn/usr/uploads/2019/11/2622943395.png)
查看解析情况
![](https://blog.beijixs.cn/usr/uploads/2019/11/3110993731.png)
更新记录
!> IPv6暂时没有做

Aliyun动态域名解析脚本(参考原作者修改)-学到不少东西

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Aliyun动态域名解析脚本(参考原作者修改)-学到不少东西

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Aliyun动态域名解析脚本(参考原作者修改)-学到不少东西

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