173 lines
5.8 KiB
Bash
Executable File
173 lines
5.8 KiB
Bash
Executable File
#!/bin/sh
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#
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#.Distributed under the terms of the GNU General Public License (GPL) version 2.0
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#
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# script for sending updates to godaddy.com
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#.based on GoDaddy.sh v1.0 by Nazar78 @ TeaNazaR.com
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#.2017-2018 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
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# GoDaddy Documentation at https://developer.godaddy.com/doc
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#
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# This script is parsed by dynamic_dns_functions.sh inside send_update() function
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#
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# using following options from /etc/config/ddns
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# option username - "key" as generated at https://developer.godaddy.com/keys/
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# option password - "secret" as generated at https://developer.godaddy.com/keys/
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# option domain - "yourdomain.TLD" to update or "hostname@yourdomain.TLD"
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#
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# variable __IP already defined with the ip-address to use for update
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#
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# check parameters
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[ -z "$CURL_SSL" ] && write_log 14 "GoDaddy communication require cURL with SSL support. Please install"
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[ -z "$username" ] && write_log 14 "Service section not configured correctly! Missing key as 'username'"
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[ -z "$password" ] && write_log 14 "Service section not configured correctly! Missing secret as 'password'"
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[ $use_https -eq 0 ] && use_https=1 # force HTTPS
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# used variables
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local __HOST __DOMAIN __TYPE __URL __PRGBASE __RUNPROG __DATA __IPV6
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# split __HOST __DOMAIN from $domain
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# given data:
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# @example.com for "domain record"
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# host.sub@example.com for a "host record"
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__HOST=$(printf %s "$domain" | cut -d@ -f1)
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__DOMAIN=$(printf %s "$domain" | cut -d@ -f2)
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# GoDaddy needs:
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# __DOMAIN = the base domain i.e. example.com
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# __HOST = host.sub if updating a host record or
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# __HOST = "@" urlencoded "%40" for a domain record
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[ -z "$__HOST" -o "$__HOST" = "$__DOMAIN" ] && __HOST="%40"
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# set record type
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[ $use_ipv6 -eq 0 ] && __TYPE="A" || __TYPE="AAAA"
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# now we know the url to use
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# __URL="https://api.ote-godaddy.com/v1/domains/$__DOMAIN/records/$__TYPE/$__HOST" # api test server
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__URL="https://api.godaddy.com/v1/domains/$__DOMAIN/records/$__TYPE/$__HOST" # production server
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# transfer function to use for godaddy
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# all needed variables are set global here
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# so we can use them directly
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godaddy_transfer() {
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local __CNT=0
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local __STATUS __ERR __DEVICE
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while : ; do
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write_log 7 "#> $__RUNPROG"
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__STATUS=$(eval "$__RUNPROG")
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__ERR=$? # save communication error
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[ $__ERR -eq 0 ] && break # no error break while
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write_log 4 "cURL error: '$__ERR'"
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write_log 7 "$(cat $ERRFILE)" # report error
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[ $VERBOSE_MODE -gt 1 ] && {
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# VERBOSE_MODE > 1 then NO retry
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write_log 4 "Transfer failed - Verbose Mode: $VERBOSE_MODE - NO retry on error"
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break
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}
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__CNT=$(( $__CNT + 1 )) # increment error counter
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# if error count > retry_count leave here
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[ $retry_count -gt 0 -a $__CNT -gt $retry_count ] && \
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write_log 14 "Transfer failed after $retry_count retries"
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write_log 4 "Transfer failed - retry $__CNT/$retry_count in $RETRY_SECONDS seconds"
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sleep $RETRY_SECONDS &
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PID_SLEEP=$!
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wait $PID_SLEEP # enable trap-handler
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PID_SLEEP=0
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done
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# handle HTTP error
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[ $__STATUS -ne 200 ] && {
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write_log 4 "GoDaddy reported an error:"
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write_log 7 "$(cat $DATFILE)"
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return 1
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}
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return 0
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}
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# Build base command to use
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__PRGBASE="$CURL -RsS -w '%{http_code}' -o $DATFILE --stderr $ERRFILE"
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# force network/interface-device to use for communication
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if [ -n "$bind_network" ]; then
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local __DEVICE
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network_get_physdev __DEVICE $bind_network || \
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write_log 13 "Can not detect local device using 'network_get_physdev $bind_network' - Error: '$?'"
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write_log 7 "Force communication via device '$__DEVICE'"
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__PRGBASE="$__PRGBASE --interface $__DEVICE"
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fi
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# force ip version to use
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if [ $force_ipversion -eq 1 ]; then
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[ $use_ipv6 -eq 0 ] && __PRGBASE="$__PRGBASE -4" || __PRGBASE="$__PRGBASE -6" # force IPv4/IPv6
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fi
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# set certificate parameters
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if [ "$cacert" = "IGNORE" ]; then # idea from Ticket #15327 to ignore server cert
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__PRGBASE="$__PRGBASE --insecure" # but not empty better to use "IGNORE"
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elif [ -f "$cacert" ]; then
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__PRGBASE="$__PRGBASE --cacert $cacert"
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elif [ -d "$cacert" ]; then
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__PRGBASE="$__PRGBASE --capath $cacert"
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elif [ -n "$cacert" ]; then # it's not a file and not a directory but given
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write_log 14 "No valid certificate(s) found at '$cacert' for HTTPS communication"
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fi
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# disable proxy if no set (there might be .wgetrc or .curlrc or wrong environment set)
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# or check if libcurl compiled with proxy support
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if [ -z "$proxy" ]; then
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__PRGBASE="$__PRGBASE --noproxy '*'"
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elif [ -z "$CURL_PROXY" ]; then
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# if libcurl has no proxy support and proxy should be used then force ERROR
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write_log 13 "cURL: libcurl compiled without Proxy support"
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fi
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# set headers
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__PRGBASE="$__PRGBASE --header 'Authorization: sso-key $username:$password' "
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__PRGBASE="$__PRGBASE --header 'Accept: application/json' "
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__PRGBASE="$__PRGBASE --header 'Content-Type: application/json; charset=utf-8' "
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# read data from godaddy.com
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__RUNPROG="$__PRGBASE --request GET $__URL"
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godaddy_transfer || return 1
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# HTTP 200 OK, now analyse data and check if update needed
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__DATA=$(sed -r 's/.+data":"(.+)","t.+/\1/g' $DATFILE)
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# check data
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[ $use_ipv6 -eq 0 ] \
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&& __DATA=$(printf "%s" "$__DATA" | grep -m 1 -o "$IPV4_REGEX") \
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|| __DATA=$(printf "%s" "$__DATA" | grep -m 1 -o "$IPV6_REGEX")
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# we got data so verify
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[ -n "$__DATA" ] && {
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# expand IPv6 for compare
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if [ $use_ipv6 -eq 1 ]; then
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expand_ipv6 $__IP __IPV6
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expand_ipv6 $__DATA __DATA
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[ "$__DATA" = "$__IPV6" ] && { # IPv6 no update needed
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write_log 7 "IPv6 at GoDaddy.com already up to date"
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return 0
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}
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else
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[ "$__DATA" = "$__IP" ] && { # IPv4 no update needed
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write_log 7 "IPv4 at GoDaddy.com already up to date"
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return 0
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}
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fi
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}
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# update is needed
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# let's build data to send,
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# use file to work around double quotes '"' needed for json
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cat > $DATFILE << EOF
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[{"data":"$__IP"}]
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EOF
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# let's complete transfer command
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__RUNPROG="$__PRGBASE --request PUT --data @$DATFILE $__URL"
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godaddy_transfer || return 1
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# HTTP 200 OK
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return 0
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