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