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ddns-scripts: new Version 2.1.0-2
- moved /usr/lib/ddns/dynamic_dns_lucihelper.sh from luci-app-ddns into this package (Github openwrt/luci issue 251) (OpenWrt Trac tickets 18326 18347) - fix: dynamic_dns_update.sh did not loop (OpenWrt Trac ticket 18336) - add provider cloudflare.com IPv4 and IPv6 (Thanks to Paul for support and testing) (OpenWrt Trac ticket 12500) - modified detection, if dynamic_dns_fuctions are used by dynamic_dns_lucihelper.sh - redirect stdout of wget,curl,host,nslookup,nc etc to /tmp/ddns_$$.dat and *.err instead of variables - extended error detection in get_local_ip function - modified verify of option ip_script to allow parameters, when calling - add provider selfhost.de IPv4 - add provider no-ip.pl (nothing to do with no-ip.com) (Github openwrt/packages issue #542) IPv4 (tested) and also added for IPv6 (NOT tested) because client IP is autodetected be provider - add getlocalip_sample.sh as sample script for usage of option ip_source 'script' together with option ip_script '/usr/lib/ddns/getlocalip.sh -4' - cleanup whitespaces at line ends Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
This commit is contained in:
Christian Schoenebeck
@@ -6,7 +6,7 @@
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# (Loosely) based on the script on the one posted by exobyte in the forums here:
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# http://forum.openwrt.org/viewtopic.php?id=14040
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#
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# extended and partial rewritten in August 2014
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# extended and partial rewritten in August 2014
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# by Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
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# to support:
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# - IPv6 DDNS services
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@@ -14,7 +14,7 @@
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# - Proxy Server to send out updates
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# - force_interval=0 to run once (Luci Ticket 538)
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# - the usage of BIND's host command instead of BusyBox's nslookup if installed
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# - extended Verbose Mode and log file support for better error detection
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# - extended Verbose Mode and log file support for better error detection
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# - wait for interface to fully come up, before the first update is done
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#
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# variables in small chars are read from /etc/config/ddns
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@@ -67,7 +67,7 @@ trap "trap_handler 15" 15 # SIGTERM Termination
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# config_get <variable> $SECTION_ID <option>
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#
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# defined options (also used as variable):
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#
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#
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# enable self-explanatory
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# interface network interface used by hotplug.d i.e. 'wan' or 'wan6'
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#
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@@ -88,9 +88,9 @@ trap "trap_handler 15" 15 # SIGTERM Termination
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# ip_network local defined network to read IP from i.e. 'wan' or 'wan6'
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# ip_url URL to read local address from i.e. http://checkip.dyndns.com/ or http://checkipv6.dyndns.com/
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# ip_script full path and name of your script to detect local IP
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# ip_interface physical interface to use for detecting
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# ip_interface physical interface to use for detecting
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#
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# check_interval check for changes every !!! checks below 10 minutes make no sense because the Internet
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# check_interval check for changes every !!! checks below 10 minutes make no sense because the Internet
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# check_unit 'days' 'hours' 'minutes' !!! needs about 5-10 minutes to sync an IP-change for an DNS entry
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#
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# force_interval force to send an update to your service if no change was detected
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@@ -107,7 +107,7 @@ trap "trap_handler 15" 15 # SIGTERM Termination
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# proxy #NEW# using a proxy for communication !!! ALSO used to detect local IP via web => return proxy's IP !!!
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# use_logfile #NEW# self-explanatory "/var/log/ddns/$SECTION_ID.log"
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#
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# some functionality needs
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# some functionality needs
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# - GNU Wget or cURL installed for sending updates to DDNS service
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# - BIND host installed to detect Registered IP
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#
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@@ -124,16 +124,16 @@ trap "trap_handler 15" 15 # SIGTERM Termination
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}
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load_all_config_options "ddns" "$SECTION_ID"
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write_log 7 "************ ************** ************** **************"
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write_log 5 "PID '$$' started at $(eval $DATE_PROG)"
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write_log 7 "************ ************** ************** **************"
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write_log 5 "PID '$$' started at $(eval $DATE_PROG)"
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write_log 7 "uci configuraion:\n$(uci -q show ddns.$SECTION_ID | sort)"
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case $VERBOSE_MODE in
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0) write_log 7 "verbose mode '0' - run normal, NO console output";;
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1) write_log 7 "verbose mode '1' - run normal, console mode";;
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2) write_log 7 "verbose mode '2' - run once, NO retry on error";;
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3) write_log 7 "verbose mode '3' - run once, NO retry on error, NOT sending update";;
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0) write_log 7 "verbose mode : 0 - run normal, NO console output";;
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1) write_log 7 "verbose mode : 1 - run normal, console mode";;
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2) write_log 7 "verbose mode : 2 - run once, NO retry on error";;
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3) write_log 7 "verbose mode : 3 - run once, NO retry on error, NOT sending update";;
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*) write_log 14 "error detecting VERBOSE_MODE '$VERBOSE_MODE'";;
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esac
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write_log 7 "uci configuraion:\n$(uci -q show ddns.$SECTION_ID | sort)"
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# set defaults if not defined
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[ -z "$enabled" ] && enabled=0
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@@ -161,8 +161,9 @@ urlencode URL_PASS "$password" # encode password, might have special chars for s
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# verify ip_source script if configured and executable
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if [ "$ip_source" = "script" ]; then
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[ -z "$ip_script" ] && write_log 14 "No script defined to detect local IP!"
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[ -x "$ip_script" ] || write_log 14 "Script to detect local IP not found or not executable!"
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set -- $ip_script #handling script with parameters, we need a trick
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[ -z "$1" ] && write_log 14 "No script defined to detect local IP!"
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[ -x "$1" ] || write_log 14 "Script to detect local IP not executable!"
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fi
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# compute update interval in seconds
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@@ -196,10 +197,10 @@ fi
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echo $$ > $PIDFILE
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# determine when the last update was
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# the following lines should prevent multiple updates if hotplug fires multiple startups
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# the following lines should prevent multiple updates if hotplug fires multiple startups
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# as described in Ticket #7820, but did not function if never an update take place
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# i.e. after a reboot (/var is linked to /tmp)
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# using uptime as reference because date might not be updated via NTP client
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# using uptime as reference because date might not be updated via NTP client
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get_uptime CURR_TIME
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[ -e "$UPDFILE" ] && {
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LAST_TIME=$(cat $UPDFILE)
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@@ -224,7 +225,7 @@ PID_SLEEP=$!
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wait $PID_SLEEP # enable trap-handler
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PID_SLEEP=0
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# verify DNS server
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# verify DNS server
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[ -n "$dns_server" ] && verify_dns "$dns_server"
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# verify Proxy server and set environment
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@@ -273,19 +274,20 @@ while : ; do
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ERR_LAST=$? # save return value
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}
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# error sending local IP to provider
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# error sending local IP to provider
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# we have no communication error (handled inside send_update/do_transfer)
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# but update was not recognized
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# do NOT retry after RETRY_SECONDS, do retry after CHECK_SECONDS
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# to early retrys will block most DDNS provider
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# providers answer is checked inside send_update() function
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[ $ERR_LAST -eq 0 ] && {
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if [ $ERR_LAST -eq 0 ]; then
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get_uptime LAST_TIME # we send update, so
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echo $LAST_TIME > $UPDFILE # save LASTTIME to file
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[ "$LOCAL_IP" != "$REGISTERED_IP" ] \
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&& write_log 6 "Update successful - IP '$LOCAL_IP' send" \
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|| write_log 6 "Forced update successful - IP: '$LOCAL_IP' send"
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} || write_log 3 "Can not update IP at DDNS Provider"
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[ "$LOCAL_IP" != "$REGISTERED_IP" ] && write_log 6 "Update successful - IP '$LOCAL_IP' send"
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[ "$LOCAL_IP" = "$REGISTERED_IP" ] || write_log 6 "Forced update successful - IP: '$LOCAL_IP' send"
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else
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write_log 3 "Can not update IP at DDNS Provider"
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fi
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fi
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# now we wait for check interval before testing if update was recognized
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@@ -318,8 +320,10 @@ while : ; do
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fi
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# force_update=0 or VERBOSE_MODE > 1 - leave here
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[ $VERBOSE_MODE -gt 1 ] && write_log 7 "Verbose Mode: $VERBOSE_MODE - NO reloop"; exit 0
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[ $FORCE_SECONDS -eq 0 ] && write_log 6 "Configured to run once"; exit 0
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[ $VERBOSE_MODE -gt 1 ] && write_log 7 "Verbose Mode: $VERBOSE_MODE - NO reloop"
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[ $FORCE_SECONDS -eq 0 ] && write_log 6 "Configured to run once"
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[ $VERBOSE_MODE -gt 1 -o $FORCE_SECONDS -eq 0 ] && exit 0
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write_log 6 "Rerun IP check at $(eval $DATE_PROG)"
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done
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# we should never come here there must be a programming error
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