Interface to `nsupdate -l`

Configurationless operation when `nsupdate -l` works

dnsapi/dns_nsupdate_l.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env sh
+
+########  Public functions #####################
+
+#Usage: dns_nsupdate_l_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_nsupdate_l_add() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "adding ${fulldomain}. 60 in txt \"${txtvalue}\""
+  nsupdate -l <<EOF
+update add ${fulldomain}. 60 in txt "${txtvalue}"
+send
+EOF
+  if [ $? -ne 0 ]; then
+    _err "error updating domain"
+    return 1
+  fi
+
+  return 0
+}
+
+#Usage: dns_nsupdate_l_rm   _acme-challenge.www.domain.com
+dns_nsupdate_l_rm() {
+  fulldomain=$1
+  _info "removing ${fulldomain}. txt"
+  nsupdate -l <<EOF
+update delete ${fulldomain}. txt
+send
+EOF
+  if [ $? -ne 0 ]; then
+    _err "error updating domain"
+    return 1
+  fi
+
+  return 0
+}