1 # sample script for sending user defined updates
2 # 2014-2015 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
4 # activated inside /etc/config/ddns by setting
6 # option update_script '/usr/lib/ddns/update_sample.sh'
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
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
17 # the code here is the copy of the default used inside send_update()
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 username and password
22 [ -z "$username" ] && write_log
14 "Service section not configured correctly! Missing 'username'"
23 [ -z "$password" ] && write_log
14 "Service section not configured correctly! Missing 'password'"
26 __URL
=$
(echo $__URL |
sed -e "s#\[USERNAME\]#$URL_USER#g" -e "s#\[PASSWORD\]#$URL_PASS#g" \
27 -e "s#\[DOMAIN\]#$domain#g" -e "s#\[IP\]#$__IP#g")
28 [ $use_https -ne 0 ] && __URL
=$
(echo $__URL |
sed -e 's#^http:#https:#')
30 do_transfer
"$__URL" ||
return 1
32 write_log
7 "DDNS Provider answered:\n$(cat $DATFILE)"
34 # analyse provider answers
35 # "good [IP_ADR]" = successful
36 # "nochg [IP_ADR]" = no change but OK
37 grep -E "good|nochg" $DATFILE >/dev
/null
2>&1
38 return $?
# "0" if "good" or "nochg" found