#12500: Add cloudflare.com to DDNS Scripts
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Reporter: easisee@… | Owner: developers
Type: enhancement | Status: new
Priority: normal | Milestone: Chaos Calmer (trunk)
Component: packages | Version: Trunk
Resolution: | Keywords:
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Comment (by chris5560):
Paul,
I found a short term solution based on ddns-scripts 2.0.1-6.
I offer here 2 changes to existing scripts for testing:
/usr/lib/ddns/dynamic_dns_updater.sh at below line 162 new should be
{{{
# determine what update url we're using if a service_name is supplied
# otherwise update_url is set inside configuration (custom service)
# or update_script is set inside configuration (custom update script)
[ -n "$service_name" ] && get_service_url update_url
[ -z "$update_url" -a -z "$update_script" ] && critical_error "no
update_url found/defined or no custom update_script defined"
[ -n "$update_script" -a ! -f "$update_script" ] && critical_error "custom
update_script not found"
#kill old process if it exists & set new pid file
}}}
/usr/lib/ddns/dynamic_dns_functions.sh at below line 590 replace
send_update() function with
{{{
send_update() {
# $1 # IP to set at DDNS service provider
local __IP
# verify given IP / no private IPv4's / no IPv6 addr starting with
fxxx of with ":"
[ $use_ipv6 -eq 0 ] && __IP=$(echo $1 | grep -v -E
"(^0|^10\.|^127|^172\.1[6-9]\.|^172\.2[0-9]\.|^172\.3[0-1]\.|^192\.168)")
[ $use_ipv6 -eq 1 ] && __IP=$(echo $1 | grep "^[0-9a-eA-E]")
[ -z "$__IP" ] && critical_error "Invalid or no IP '$1' given"
if [ -z "$service_name" -a -n "$update_script" ]; then
verbose_echo " custom update =: parsing script
'$update_script'"
. $update_script
else
local __URL __ANSWER __ERR __USER __PASS
# do replaces in URL
__urlencode __USER "$username" # encode username, might
be email or something like this
__urlencode __PASS "$password" # encode password, might
have special chars for security reason
__URL=$(echo $update_url | sed -e
"s#\[USERNAME\]#$__USER#g" -e "s#\[PASSWORD\]#$__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"
__ERR=$?
[ $__ERR -gt 0 ] && {
verbose_echo "\n!!!!!!!!! ERROR =: Error sending
update to DDNS Provider\n"
return 1
}
verbose_echo " update send =: DDNS Provider
answered\n$__ANSWER"
return 0
fi
}
}}}
Inside /etc/config/ddns insert a new '''option update_url
'/path/to/script'''' and remove '''option service_name'''
The idea behind this is to offer custom scripts for special services like
cloudflare.update also located inside /usr/lib/ddns directory.
Inside these scripts you can do all actions you need and can still access
all existing variables and functions out of dynamic_dns_functions.
Options to be set inside /etc/config/ddns shoud start with the service
name the scripts is for like
cloudflare_subdomain, cloudflare_xyz
This hopefully makes it easier in later versions of scripts or luci app to
identify them.
Would you provide such cloudflare.update script ?
If you agree this short term solution, I will create a pull request to
update both scripts in trunk.
Thanks
Christian
--
Ticket URL: <https://dev.openwrt.org/ticket/12500#comment:16>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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