acme.sh/dnsapi/dns_udr.sh

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#!/usr/bin/env sh
# united-domains Reselling (https://www.ud-reselling.com/) DNS API
# Author: Andreas Scherer (https://github.com/andischerer)
# Created: 2021-02-01
#
# Set the environment variables as below:
#
# export UDR_USER="your_username_goes_here"
# export UDR_PASS="some_password_goes_here"
#
UDR_API="https://api.domainreselling.de/api/call.cgi"
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UDR_TTL="30"
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######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "some_long_string_of_characters_go_here_from_lets_encrypt"
dns_udr_add() {
fulldomain=$1
txtvalue=$2
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UDR_USER="${UDR_USER:-$(_readaccountconf_mutable UDR_USER)}"
UDR_PASS="${UDR_PASS:-$(_readaccountconf_mutable UDR_PASS)}"
if [ -z "$UDR_USER" ] || [ -z "$UDR_PASS" ]; then
UDR_USER=""
UDR_PASS=""
_err "You didn't specify an UD-Reselling username and password yet"
return 1
fi
# save the username and password to the account conf file.
_saveaccountconf_mutable UDR_USER "$UDR_USER"
_saveaccountconf_mutable UDR_PASS "$UDR_PASS"
_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _dnszone "${_dnszone}"
_debug "Getting txt records"
if ! _udr_rest "QueryDNSZoneRRList" "dnszone=${_dnszone}"; then
return 1
fi
rr="${fulldomain}. ${UDR_TTL} IN TXT ${txtvalue}"
_debug resource_record "${rr}"
if _contains "$response" "$rr" >/dev/null; then
_err "Error, it would appear that this record already exists. Please review existing TXT records for this domain."
return 1
fi
_info "Adding record"
if ! _udr_rest "UpdateDNSZone" "dnszone=${_dnszone}&addrr0=${rr}"; then
_err "Adding the record did not succeed, please verify/check."
return 1
fi
_info "Added, OK"
return 0
}
dns_udr_rm() {
fulldomain=$1
txtvalue=$2
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UDR_USER="${UDR_USER:-$(_readaccountconf_mutable UDR_USER)}"
UDR_PASS="${UDR_PASS:-$(_readaccountconf_mutable UDR_PASS)}"
if [ -z "$UDR_USER" ] || [ -z "$UDR_PASS" ]; then
UDR_USER=""
UDR_PASS=""
_err "You didn't specify an UD-Reselling username and password yet"
return 1
fi
_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _dnszone "${_dnszone}"
_debug "Getting txt records"
if ! _udr_rest "QueryDNSZoneRRList" "dnszone=${_dnszone}"; then
return 1
fi
rr="${fulldomain}. ${UDR_TTL} IN TXT ${txtvalue}"
_debug resource_record "${rr}"
if _contains "$response" "$rr" >/dev/null; then
if ! _udr_rest "UpdateDNSZone" "dnszone=${_dnszone}&delrr0=${rr}"; then
_err "Deleting the record did not succeed, please verify/check."
return 1
fi
_info "Removed, OK"
return 0
else
_info "Text record is not present, will not delete anything."
return 0
fi
}
#################### Private functions below ##################################
#_acme-challenge.www.domain.com
#returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
_get_root() {
domain=$1
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i=1
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if ! _udr_rest "QueryDNSZoneList" ""; then
return 1
fi
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$h"
if [ -z "$h" ]; then
#not valid
return 1
fi
if _contains "${response}" "${h}." >/dev/null; then
_dnszone=$(echo "$response" | _egrep_o "${h}")
if [ "$_dnszone" ]; then
return 0
fi
return 1
fi
i=$(_math "$i" + 1)
done
return 1
}
_udr_rest() {
if [ -n "$2" ]; then
data="command=$1&$2"
else
data="command=$1"
fi
_debug data "${data}"
response="$(_post "${data}" "${UDR_API}?s_login=${UDR_USER}&s_pw=${UDR_PASS}" "" "POST")"
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_code=$(echo "$response" | _egrep_o "code = ([0-9]+)" | _head_n 1 | cut -d = -f 2 | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
_description=$(echo "$response" | _egrep_o "description = .*" | _head_n 1 | cut -d = -f 2 | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
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_debug response_code "$_code"
_debug response_description "$_description"
if [ ! "$_code" = "200" ]; then
_err "DNS-API-Error: $_description"
return 1
fi
return 0
}