packages/net/ddns-scripts/files/usr/lib/ddns/update_no-ip.sh
Christian Schoenebeck 4192651448 ddns-scripts: Update to Version 2.1.0-1 see description
- fixed postinst and prerm in Makefile
- implementation of provider specific update scripts into services and
services_ipv6 file.
	first Provider "no-ip.com"	- Thanks to DarkStarXxX for
request and testing
- finished uci/ddns wiki at http://wiki.openwrt.org/doc/uci/ddns
- rewritten retry management
- rewritten logging including following Issue 469
	https://github.com/openwrt/packages/issues/469
- stop running sections on hotplug ifdown event (like start on ifup)
- implement trap detection
	also kill "sleep" child processes
	SIGHUP to reload configuration (not really reloading, simply
starting a new process)
	/etc/init.d/ddns reload implemented
- code optimization
- new provider LoopiaDNS.se	Issue 494
	https://github.com/openwrt/packages/issues/494

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
2014-11-09 16:37:11 +01:00

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#
# script for sending updates to no-ip.com / noip.com
# 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
#
# This script is parsed by dynamic_dns_functions.sh inside send_update() function
#
# provider did not reactivate records, if no IP change was recognized
# so we send a dummy (localhost) and a seconds later we send the correct IP addr
#
local __ANSWER __LH
local __UPDURL="http://[USERNAME]:[PASSWORD]@dynupdate.no-ip.com/nic/update?hostname=[DOMAIN]&myip=[IP]"
# set IP version dependend dummy (localhost)
[ $use_ipv6 -eq 0 ] && __LH="127.0.0.1" || __LH="::1"
# lets do DUMMY transfer
write_log 7 "sending dummy IP to 'no-ip.com'"
__URL=$(echo $__UPDURL | sed -e "s#\[USERNAME\]#$URL_USER#g" -e "s#\[PASSWORD\]#$URL_PASS#g" \
-e "s#\[DOMAIN\]#$domain#g" -e "s#\[IP\]#$__LH#g")
[ $use_https -ne 0 ] && __URL=$(echo $__URL | sed -e 's#^http:#https:#')
do_transfer __ANSWER "$__URL" || return 1
write_log 7 "'no-ip.com' answered:\n$__ANSWER"
# analyse provider answers
# "good [IP_ADR]" = successful
# "nochg [IP_ADR]" = no change but OK
echo "$__ANSWER" | grep -E "good|nochg" >/dev/null 2>&1 || return 1
# lets wait a seconds
sleep 1
# now send the correct data
write_log 7 "sending real IP to 'no-ip.com'"
__URL=$(echo $__UPDURL | sed -e "s#\[USERNAME\]#$URL_USER#g" -e "s#\[PASSWORD\]#$URL_PASS#g" \
-e "s#\[DOMAIN\]#$domain#g" -e "s#\[IP\]#$__IP#g")
[ $use_https -ne 0 ] && __URL=$(echo $__URL | sed -e 's#^http:#https:#')
do_transfer __ANSWER "$__URL" || return 1
write_log 7 "'no-ip.com' answered:\n$__ANSWER"
# analyse provider answers
# "good [IP_ADR]" = successful
# "nochg [IP_ADR]" = no change but OK
echo "$__ANSWER" | grep -E "good|nochg" >/dev/null 2>&1
return $? # "0" if "good" or "nochg" found