ddns-scripts: Add dnspod.cn

Signed-off-by: Jun Zhu <zhujunsan@gmail.com>

1 files changed, 137 insertions, 0 deletions

diff --git a/net/ddns-scripts/files/usr/lib/ddns/update_dnspod_cn.sh b/net/ddns-scripts/files/usr/lib/ddns/update_dnspod_cn.sh
new file mode 100755
index 000000000..2091be132
--- /dev/null
+++ b/net/ddns-scripts/files/usr/lib/ddns/update_dnspod_cn.sh
@@ -0,0 +1,137 @@
+#!/bin/sh
+
+# Check inputs
+[ -z "$username" ] && write_log 14 "Configuration error! [User name] cannot be empty"
+[ -z "$password" ] && write_log 14 "Configuration error! [Password] cannot be empty"
+
+# Check external tools
+[ -n "$CURL_SSL" ] || write_log 13 "Dnspod communication require cURL with SSL support. Please install"
+[ -n "$CURL_PROXY" ] || write_log 13 "cURL: libcurl compiled without Proxy support"
+
+# Declare variables
+#local __URLBASE __HOST __DOMAIN __TYPE __CMDBASE __POST __POST1 __RECIP __RECID __TTL
+__URLBASE="https://dnsapi.cn"
+
+# Get host and domain from $domain
+[ "${domain:0:2}" = "@." ] && domain="${domain/./}"      # host
+[ "$domain" = "${domain/@/}" ] && domain="${domain/./@}" # host with no sperator
+__HOST="${domain%%@*}"
+__DOMAIN="${domain#*@}"
+[ -z "$__HOST" -o "$__HOST" = "$__DOMAIN" ] && __HOST=@
+
+# Set record type
+[ $use_ipv6 = 0 ] && __TYPE=A || __TYPE=AAAA
+
+# Build base command
+build_command() {
+	__CMDBASE="$CURL -Ss"
+	# bind host/IP
+	if [ -n "$bind_network" ]; then
+		local __DEVICE
+		network_get_physdev __DEVICE $bind_network || write_log 13 "Can not detect local device using 'network_get_physdev $bind_network' - Error: '$?'"
+		write_log 7 "Force communication via device '$__DEVICE'"
+		__CMDBASE="$__CMDBASE --interface $__DEVICE"
+	fi
+	# Force IP version
+	if [ $force_ipversion = 1 ]; then
+		[ $use_ipv6 = 0 ] && __CMDBASE="$__CMDBASE -4" || __CMDBASE="$__CMDBASE -6"
+	fi
+	# Set CA
+	if [ $use_https = 1 ]; then
+		if [ "$cacert" = IGNORE ]; then
+			__CMDBASE="$__CMDBASE --insecure"
+		elif [ -f "$cacert" ]; then
+			__CMDBASE="$__CMDBASE --cacert $cacert"
+		elif [ -d "$cacert" ]; then
+			__CMDBASE="$__CMDBASE --capath $cacert"
+		elif [ -n "$cacert" ]; then
+			write_log 14 "No valid certificate(s) found at '$cacert' for HTTPS communication"
+		fi
+	fi
+	# Set if no proxy (might be an error with .wgetrc or env)
+	[ -z "$proxy" ] && __CMDBASE="$__CMDBASE --noproxy '*'"
+	__CMDBASE="$__CMDBASE -d"
+}
+
+# Dnspod API
+dnspod_transfer() {
+	__CNT=0
+	case "$1" in
+	0) __A="$__CMDBASE '$__POST' $__URLBASE/Record.List" ;;
+	1) __A="$__CMDBASE '$__POST1' $__URLBASE/Record.Create" ;;
+	2) __A="$__CMDBASE '$__POST1&record_id=$__RECID&ttl=$__TTL' $__URLBASE/Record.Modify" ;;
+	esac
+
+	write_log 7 "#> $__A"
+	while ! __TMP=$(eval $__A 2>&1); do
+		write_log 3 "[$__TMP]"
+		if [ $VERBOSE -gt 1 ]; then
+			write_log 4 "Transfer failed - detailed mode: $VERBOSE - Do not try again after an error"
+			return 1
+		fi
+		__CNT=$(($__CNT + 1))
+		[ $retry_count -gt 0 -a $__CNT -gt $retry_count ] && write_log 14 "Transfer failed after $retry_count retries"
+		write_log 4 "Transfer failed - $__CNT Try again in $RETRY_SECONDS seconds"
+		sleep $RETRY_SECONDS &
+		PID_SLEEP=$!
+		wait $PID_SLEEP
+		PID_SLEEP=0
+	done
+	__ERR=$(jsonfilter -s "$__TMP" -e "@.status.code")
+	[ $__ERR = 1 ] && return 0
+	[ $__ERR = 10 ] && [ $1 = 0 ] && return 0
+	__TMP=$(jsonfilter -s "$__TMP" -e "@.status.message")
+	local A="$(date +%H%M%S) ERROR : [$__TMP] - Terminate process"
+	logger -p user.err -t ddns-scripts[$$] $SECTION_ID: ${A:15}
+	printf "%s\n" " $A" >>$LOGFILE
+	exit 1
+}
+
+# Add record
+add_domain() {
+	dnspod_transfer 1
+	printf "%s\n" " $(date +%H%M%S)       : Record add successfully: [$([ "$__HOST" = @ ] || echo $__HOST.)$__DOMAIN],[IP:$__IP]" >>$LOGFILE
+	return 0
+}
+
+# Modify record
+update_domain() {
+	dnspod_transfer 2
+	printf "%s\n" " $(date +%H%M%S)       : Record modified successfully: [$([ "$__HOST" = @ ] || echo $__HOST.)$__DOMAIN],[IP:$__IP],[TTL:$__TTL]" >>$LOGFILE
+	return 0
+}
+
+# Get DNS record
+describe_domain() {
+	ret=0
+	__POST="login_token=$username,$password&format=json&domain=$__DOMAIN&sub_domain=$__HOST"
+	__POST1="$__POST&value=$__IP&record_type=$__TYPE&record_line_id=0"
+	dnspod_transfer 0
+	__TMP=$(jsonfilter -s "$__TMP" -e "@.records[@.type='$__TYPE' && @.line_id='0']")
+	if [ -z "$__TMP" ]; then
+		printf "%s\n" " $(date +%H%M%S)       : Record not exist: [$([ "$__HOST" = @ ] || echo $__HOST.)$__DOMAIN]" >>$LOGFILE
+		ret=1
+	else
+		__RECIP=$(jsonfilter -s "$__TMP" -e "@.value")
+		if [ "$__RECIP" != "$__IP" ]; then
+			__RECID=$(jsonfilter -s "$__TMP" -e "@.id")
+			__TTL=$(jsonfilter -s "$__TMP" -e "@.ttl")
+			printf "%s\n" " $(date +%H%M%S)       : Record needs to be updated: [Record IP:$__RECIP] [Local IP:$__IP]" >>$LOGFILE
+			ret=2
+		fi
+	fi
+}
+
+build_command
+describe_domain
+if [ $ret = 1 ]; then
+	sleep 3
+	add_domain
+elif [ $ret = 2 ]; then
+	sleep 3
+	update_domain
+else
+	printf "%s\n" " $(date +%H%M%S)       : Record needs not update: [Record IP:$__RECIP] [Local IP:$__IP]" >>$LOGFILE
+fi
+
+return 0