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Add dns_he - DNS API script for Hurricane Electric DNS service
Add dns_he - DNS API script for Hurricane Electric DNS service
... Although not yet fully Posix compatible.cron
Ondrej Simek
8 years ago
2 changed files with 218 additions and 0 deletions
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18dnsapi/README.md
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200dnsapi/dns_he.sh
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#!/usr/bin/env sh |
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# TODO Somehow use _get instead of curl - not sure how to support |
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# cookies though... |
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######################################################################## |
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# Hurricane Electric hook script for acme.sh |
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# |
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# Environment variables: |
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# |
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# - $HE_Username (your dns.he.net username) |
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# - $HE_Password (your dns.he.net password) |
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# |
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# Author: Ondrej Simek <me@ondrejsimek.com> |
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# Git repo: https://github.com/angel333/acme.sh |
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#-- dns_he_add() - Add TXT record -------------------------------------- |
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# Usage: dns_he_add _acme-challenge.subdomain.domain.com "XyZ123..." |
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dns_he_add() { |
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_full_domain=$1 |
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_txt_value=$2 |
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_info "Using DNS-01 Hurricane Electric hook" |
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_authenticate || return 1 |
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_saveaccountconf HE_Username "$HE_Username" |
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_saveaccountconf HE_Password "$HE_Password" |
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# fills in the $_zone_id |
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_find_zone $_full_domain || return 1 |
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_debug "Zone id \"$_zone_id\" will be used." |
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curl -L --silent --show-error --cookie "$_he_cookie" \ |
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--form "account=" \ |
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--form "menu=edit_zone" \ |
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--form "Type=TXT" \ |
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--form "hosted_dns_zoneid=$_zone_id" \ |
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--form "hosted_dns_recordid=" \ |
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--form "hosted_dns_editzone=1" \ |
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--form "Priority=" \ |
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--form "Name=$_full_domain" \ |
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--form "Content=$_txt_value" \ |
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--form "TTL=300" \ |
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--form "hosted_dns_editrecord=Submit" \ |
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"https://dns.he.net/" \ |
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> /dev/null |
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} |
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#-- dns_he_rm() - Remove TXT record ------------------------------------ |
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# Usage: dns_he_rm _acme-challenge.subdomain.domain.com "XyZ123..." |
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dns_he_rm() { |
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_full_domain=$1 |
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_txt_value=$2 |
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_info "Cleaning up after DNS-01 Hurricane Electric hook" |
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_authenticate || return 1 |
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# fills in the $_zone_id |
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_find_zone $_full_domain || return 1 |
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_debug "Zone id \"$_zone_id\" will be used." |
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# Find the record id to clean |
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_record_id=$( \ |
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curl -L --silent --show-error --cookie "$_he_cookie" \ |
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"https://dns.he.net/?hosted_dns_zoneid=$_zone_id&menu=edit_zone&hosted_dns_editzone" \ |
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| grep -A 1 "data=\"\("\)\?${_txt_value}\("\)\?\"" \ |
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| tail -n 1 \ |
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| _egrep_o "'[[:digit:]]+','[^']+','TXT'" \ |
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| cut -b 2- \ |
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| _egrep_o "[[:digit:]]+" \ |
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| head -n1) # ... oh my, what have I done... |
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# Remove the record |
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curl -L --silent --show-error --cookie "$_he_cookie" \ |
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--form "menu=edit_zone" \ |
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--form "hosted_dns_zoneid=$_zone_id" \ |
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--form "hosted_dns_recordid=$_record_id" \ |
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--form "hosted_dns_editzone=1" \ |
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--form "hosted_dns_delrecord=1" \ |
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--form "hosted_dns_delconfirm=delete" \ |
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--form "hosted_dns_editzone=1" \ |
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"https://dns.he.net/" \ |
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| grep '<div id="dns_status" onClick="hideThis(this);">Successfully removed record.</div>' \ |
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> /dev/null |
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if [ $? -eq 0 ]; then |
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_info "Record removed successfuly." |
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else |
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_err \ |
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"Could not clean (remove) up the record. Please go to HE" \ |
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"administration interface and clean it by hand." |
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fi |
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} |
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########################## PRIVATE FUNCTIONS ########################### |
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#-- _find_zone() ------------------------------------------------------- |
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# Usage: _authenticate |
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# |
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# - needs $HE_Username and $HE_Password |
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# - sets the $_he_cookie |
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_authenticate() { |
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if [ -z "$HE_Username" ] && [ -z "$HE_Password" ]; then |
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_err \ |
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'No auth details provided. Please set user credentials using the \ |
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\$HE_Username and \$HE_Password envoronment variables.' |
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return 1 |
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fi |
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# Just get a session |
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_he_cookie=$( \ |
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curl -L --silent --show-error -I "https://dns.he.net/" \ |
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| grep '^Set-Cookie:' \ |
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| _egrep_o 'CGISESSID=[a-z0-9]*') |
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# Attempt login |
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curl -L --silent --show-error --cookie "$_he_cookie" \ |
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--form "email=${HE_Username}" \ |
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--form "pass=${HE_Password}" \ |
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"https://dns.he.net/" \ |
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> /dev/null |
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# TODO detect unsuccessful logins |
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} |
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#-- _find_zone() ------------------------------------------------------- |
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# Returns the most specific zone found in administration interface. |
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# |
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# - needs $_he_cookie |
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# |
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# Example: |
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# |
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# _find_zone first.second.third.co.uk |
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# |
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# ... will return the first zone that exists in admin out of these: |
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# - "first.second.third.co.uk" |
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# - "second.third.co.uk" |
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# - "third.co.uk" |
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# - "co.uk" <-- unlikely |
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# - "uk" <-' |
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# |
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# (another approach would be something like this: |
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# https://github.com/hlandau/acme/blob/master/_doc/dns.hook |
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# - that's better if there are multiple pages. It's so much simpler. |
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# ) |
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_find_zone() { |
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_domain="$1" |
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## _all_zones is an array that looks like this: |
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## ( zone1:id zone2:id ... ) |
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_all_zones=( $(curl -L --silent --show-error --cookie "$_he_cookie" \ |
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"https://dns.he.net/" \ |
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| _egrep_o "delete_dom.*name=\"[^\"]+\" value=\"[0-9]+" \ |
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| cut -d '"' -f 3,5 --output-delimiter=":" \ |
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) ) |
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_strip_counter=1 |
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while [ true ] |
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do |
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_attempted_zone=$(echo $_domain | cut -d . -f ${_strip_counter}-) |
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# All possible zone names have been tried |
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if [ "$_attempted_zone" == "" ] |
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then |
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_err "No zone for domain \"$_domain\" found." |
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break |
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fi |
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# Walk through all zones on the account |
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#echo "$_all_zones" | while IFS=' ' read _zone_name _zone_id |
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for i in ${_all_zones[@]} |
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do |
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_zone_name=$(echo $i | cut -d ':' -f 1) |
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_zone_id=$(echo $i | cut -d ':' -f 2) |
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if [ "$_zone_name" == "$_attempted_zone" ] |
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then |
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# Zone found - we got $_zone_name and $_zone_id, let's get out... |
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_debug "Found relevant zone \"$_zone_name\" with id" \ |
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"\"$_zone_id\" - will be used for domain \"$_domain\"." |
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return 0 |
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fi |
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done |
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_debug "Zone \"$_attempted_zone\" doesn't exist, let's try another \ |
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variation." |
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_strip_counter=$(expr $_strip_counter + 1) |
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done |
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# No zone found. |
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return 1 |
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} |
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# vim: et:ts=2:sw=2: |
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