net/ddns-scripts/files/update_No-IP.com.sh

   1 #
   2 #.Distributed under the terms of the GNU General Public License (GPL) version 2.0
   3 #
   4 # script for sending updates to no-ip.com / noip.com
   5 #.2014-2015 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
   6 #
   7 # This script is parsed by dynamic_dns_functions.sh inside send_update() function
   8 #
   9 # provider did not reactivate records, if no IP change was recognized
  10 # so we send a dummy (localhost) and a seconds later we send the correct IP addr
  11 #
  12 local __DUMMY
  13 local __UPDURL="http://[USERNAME]:[PASSWORD]@dynupdate.no-ip.com/nic/update?hostname=[DOMAIN]&myip=[IP]"
  14 # inside url we need username and password
  15 [ -z "$username" ] && write_log 14 "Service section not configured correctly! Missing 'username'"
  16 [ -z "$password" ] && write_log 14 "Service section not configured correctly! Missing 'password'"
  17
  18 # set IP version dependend dummy (localhost)
  19 [ $use_ipv6 -eq 0 ] && __DUMMY="127.0.0.1" || __DUMMY="::1"
  20
  21 # lets do DUMMY transfer
  22 write_log 7 "sending dummy IP to 'no-ip.com'"
  23 __URL=$(echo $__UPDURL | sed -e "s#\[USERNAME\]#$URL_USER#g" -e "s#\[PASSWORD\]#$URL_PASS#g" \
  24                                -e "s#\[DOMAIN\]#$domain#g" -e "s#\[IP\]#$__DUMMY#g")
  25 [ $use_https -ne 0 ] && __URL=$(echo $__URL | sed -e 's#^http:#https:#')
  26
  27 do_transfer "$__URL" || return 1
  28
  29 write_log 7 "'no-ip.com' answered:\n$(cat $DATFILE)"
  30 # analyse provider answers
  31 # "good [IP_ADR]"       = successful
  32 # "nochg [IP_ADR]"      = no change but OK
  33 grep -E "good|nochg" $DATFILE >/dev/null 2>&1 || return 1
  34
  35 # lets wait a seconds
  36 sleep 1
  37
  38 # now send the correct data
  39 write_log 7 "sending real IP to 'no-ip.com'"
  40 __URL=$(echo $__UPDURL | sed -e "s#\[USERNAME\]#$URL_USER#g" -e "s#\[PASSWORD\]#$URL_PASS#g" \
  41                                -e "s#\[DOMAIN\]#$domain#g" -e "s#\[IP\]#$__IP#g")
  42 [ $use_https -ne 0 ] && __URL=$(echo $__URL | sed -e 's#^http:#https:#')
  43
  44 do_transfer "$__URL" || return 1
  45
  46 write_log 7 "'no-ip.com' answered:\n$(cat $DATFILE)"
  47 # analyse provider answers
  48 # "good [IP_ADR]"       = successful
  49 # "nochg [IP_ADR]"      = no change but OK
  50 grep -E "good|nochg" $DATFILE >/dev/null 2>&1
  51 return $?       # "0" if "good" or "nochg" found
  52