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Merge pull request #1620 from loial/dns_gratisdns.dk
DNS plugin for Danish service gratisdns.dk
This commit is contained in:
neil
GitHub
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98ce8f4c2f
@ -325,6 +325,7 @@ You don't have to do anything manually!
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1. Google Cloud DNS API
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1. ConoHa (https://www.conoha.jp)
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1. netcup DNS API (https://www.netcup.de)
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1. GratisDNS.dk (https://gratisdns.dk)
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And:
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@ -970,6 +970,26 @@ acme.sh --issue --dns dns_netcup -d example.com -d www.example.com
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The `NC_Apikey`,`NC_Apipw` and `NC_CID` will be saved in `~/.acme.sh/account.conf` and will be reused when needed.
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## 52. Use GratisDNS.dk
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GratisDNS.dk (https://gratisdns.dj/) does not provide an API to update DNS records (other than IPv4 and IPv6
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dynamic DNS addresses). The acme.sh plugin therefore retrieves and updates domain TXT records by logging
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into the GratisDNS website to read the HTML and posting updates as HTTP. The plugin needs to know your
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userid and password for the GratisDNS website.
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```sh
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export GDNSDK_Username="..."
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export GDNSDK_Password="..."
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```
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The username and password will be saved in `~/.acme.sh/account.conf` and will be reused when needed.
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Now you can issue a certificate.
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```sh
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acme.sh --issue --dns dns_gdnsdk -d example.com -d *.example.com
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```
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# Use custom API
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If your API is not supported yet, you can write your own DNS API.
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168
dnsapi/dns_gdnsdk.sh
Executable file
168
dnsapi/dns_gdnsdk.sh
Executable file
@ -0,0 +1,168 @@
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#!/usr/bin/env sh
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#Author: Herman Sletteng
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#Report Bugs here: https://github.com/loial/acme.sh
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#
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#
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# Note, gratisdns requires a login first, so the script needs to handle
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# temporary cookies. Since acme.sh _get/_post currently don't directly support
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# cookies, I've defined wrapper functions _myget/_mypost to set the headers
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GDNSDK_API="https://admin.gratisdns.com"
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######## Public functions #####################
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#Usage: dns_gdnsdk_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_gdnsdk_add() {
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fulldomain=$1
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txtvalue=$2
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_info "Using gratisdns.dk"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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if ! _gratisdns_login; then
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_err "Login failed!"
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return 1
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fi
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#finding domain zone
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if ! _get_domain; then
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_err "No matching root domain for $fulldomain found"
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return 1
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fi
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# adding entry
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_info "Adding the entry"
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_mypost "action=dns_primary_record_added_txt&user_domain=$_domain&name=$fulldomain&txtdata=$txtvalue&ttl=1"
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if _successful_update; then return 0; fi
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_err "Couldn't create entry!"
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return 1
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}
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#Usage: fulldomain txtvalue
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#Remove the txt record after validation.
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dns_gdnsdk_rm() {
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fulldomain=$1
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txtvalue=$2
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_info "Using gratisdns.dk"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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if ! _gratisdns_login; then
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_err "Login failed!"
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return 1
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fi
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if ! _get_domain; then
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_err "No matching root domain for $fulldomain found"
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return 1
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fi
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_findentry "$fulldomain" "$txtvalue"
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if [ -z "$_id" ]; then
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_info "Entry doesn't exist, nothing to delete"
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return 0
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fi
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_debug "Deleting record..."
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_mypost "action=dns_primary_delete_txt&user_domain=$_domain&id=$_id"
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# removing entry
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if _successful_update; then return 0; fi
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_err "Couldn't delete entry!"
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return 1
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}
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#################### Private functions below ##################################
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_checkcredentials() {
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GDNSDK_Username="${GDNSDK_Username:-$(_readaccountconf_mutable GDNSDK_Username)}"
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GDNSDK_Password="${GDNSDK_Password:-$(_readaccountconf_mutable GDNSDK_Password)}"
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if [ -z "$GDNSDK_Username" ] || [ -z "$GDNSDK_Password" ]; then
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GDNSDK_Username=""
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GDNSDK_Password=""
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_err "You haven't specified gratisdns.dk username and password yet."
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_err "Please add credentials and try again."
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return 1
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fi
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#save the credentials to the account conf file.
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_saveaccountconf_mutable GDNSDK_Username "$GDNSDK_Username"
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_saveaccountconf_mutable GDNSDK_Password "$GDNSDK_Password"
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return 0
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}
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_checkcookie() {
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GDNSDK_Cookie="${GDNSDK_Cookie:-$(_readaccountconf_mutable GDNSDK_Cookie)}"
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if [ -z "$GDNSDK_Cookie" ]; then
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_debug "No cached cookie found"
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return 1
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fi
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_myget "action="
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if (echo "$_result" | grep -q "logmeout"); then
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_debug "Cached cookie still valid"
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return 0
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fi
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_debug "Cached cookie no longer valid"
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GDNSDK_Cookie=""
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_saveaccountconf_mutable GDNSDK_Cookie "$GDNSDK_Cookie"
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return 1
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}
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_gratisdns_login() {
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if ! _checkcredentials; then return 1; fi
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if _checkcookie; then
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_debug "Already logged in"
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return 0
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fi
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_debug "Logging into GratisDNS with user $GDNSDK_Username"
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if ! _mypost "login=$GDNSDK_Username&password=$GDNSDK_Password&action=logmein"; then
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_err "GratisDNS login failed for user $GDNSDK_Username bad RC from _post"
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return 1
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fi
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GDNSDK_Cookie="$(grep -A 15 '302 Found' "$HTTP_HEADER" | _egrep_o 'Cookie: [^;]*' | _head_n 1 | cut -d ' ' -f2)"
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if [ -z "$GDNSDK_Cookie" ]; then
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_err "GratisDNS login failed for user $GDNSDK_Username. Check $HTTP_HEADER file"
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return 1
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fi
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export GDNSDK_Cookie
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_saveaccountconf_mutable GDNSDK_Cookie "$GDNSDK_Cookie"
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return 0
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}
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_myget() {
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#Adds cookie to request
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export _H1="Cookie: $GDNSDK_Cookie"
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_result=$(_get "$GDNSDK_API?$1")
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}
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_mypost() {
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#Adds cookie to request
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export _H1="Cookie: $GDNSDK_Cookie"
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_result=$(_post "$1" "$GDNSDK_API")
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}
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_get_domain() {
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_myget 'action=dns_primarydns'
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_domains=$(echo "$_result" | _egrep_o ' domain="[[:alnum:].-_]+' | sed 's/^.*"//')
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if [ -z "$_domains" ]; then
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_err "Primary domain list not found!"
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return 1
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fi
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for _domain in $_domains; do
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if (_endswith "$fulldomain" "$_domain"); then
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_debug "Root domain: $_domain"
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return 0
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fi
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done
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return 1
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}
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_successful_update() {
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if (echo "$_result" | grep -q 'table-success'); then return 0; fi
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return 1
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}
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_findentry() {
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#returns id of dns entry, if it exists
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_myget "action=dns_primary_changeDNSsetup&user_domain=$_domain"
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_id=$(echo "$_result" | _egrep_o "<td>$1</td>\s*<td>$2</td>[^?]*[^&]*&id=[^&]*" | sed 's/^.*=//')
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if [ -n "$_id" ]; then
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_debug "Entry found with _id=$_id"
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return 0
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fi
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return 1
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}
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