update_sample.sh (1817B)
1 # sample script for sending user defined updates 2 # 2014-2015 Christian Schoenebeck <christian dot schoenebeck at gmail dot com> 3 # 4 # activated inside /etc/config/ddns by setting 5 # 6 # option update_script '/usr/lib/ddns/update_sample.sh' 7 # 8 # the script is parsed (not executed) inside send_update() function 9 # of /usr/lib/ddns/dynamic_dns_functions.sh 10 # so you can use all available functions and global variables inside this script 11 # already defined in dynamic_dns_updater.sh and dynamic_dns_functions.sh 12 # 13 # It make sence to define the update url ONLY inside this script 14 # because it's anyway unique to the update script 15 # otherwise it should work with the default scripts 16 # 17 # the code here is the copy of the default used inside send_update() 18 # 19 # tested with spdns.de 20 local __URL="http://[USERNAME]:[PASSWORD]@update.spdns.de/nic/update?hostname=[DOMAIN]&myip=[IP]" 21 # inside url we need domain, username and password 22 [ -z "$domain" ] && write_log 14 "Service section not configured correctly! Missing 'domain'" 23 [ -z "$username" ] && write_log 14 "Service section not configured correctly! Missing 'username'" 24 [ -z "$password" ] && write_log 14 "Service section not configured correctly! Missing 'password'" 25 26 # do replaces in URL 27 __URL=$(echo $__URL | | sed -e "s#\[USERNAME\]#$URL_USER#g" -e "s#\[PASSWORD\]#$URL_PASS#g" \ 28 -e "s#\[PARAMENC\]#$URL_PENC#g" -e "s#\[PARAMOPT\]#$param_opt#g" \ 29 -e "s#\[DOMAIN\]#$domain#g" -e "s#\[IP\]#$__IP#g") 30 [ $use_https -ne 0 ] && __URL=$(echo $__URL | sed -e 's#^http:#https:#') 31 32 do_transfer "$__URL" || return 1 33 34 write_log 7 "DDNS Provider answered:\n$(cat $DATFILE)" 35 36 # analyse provider answers 37 # "good [IP_ADR]" = successful 38 # "nochg [IP_ADR]" = no change but OK 39 grep -i -E "good|nochg" $DATFILE >/dev/null 2>&1 40 return $? # "0" if "good" or "nochg" found 41