From 522b7c51f74298a11beea2e20a9f8e69b31c76fe Mon Sep 17 00:00:00 2001
From: Jakub Filo <jakub@plantroon.com>
Date: Wed, 1 May 2019 01:53:51 +0200
Subject: [PATCH] Adding NLnetLabs NSD API

---
 dnsapi/dns_nsd.sh | 67 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 dnsapi/dns_nsd.sh

diff --git a/dnsapi/dns_nsd.sh b/dnsapi/dns_nsd.sh
new file mode 100644
index 00000000..2c5b64ce
--- /dev/null
+++ b/dnsapi/dns_nsd.sh
@@ -0,0 +1,67 @@
+#!/usr/bin/env sh
+
+#Nsd_ZoneFile="/etc/nsd/zones/example.com.zone"
+#Nsd_Command="sudo nsd-control reload"
+
+# args: fulldomain txtvalue
+dns_nsd_add() 
+{
+  fulldomain=$1
+  txtvalue=$2
+  ttlvalue=300
+
+  Nsd_ZoneFile="${Nsd_ZoneFile:-$(_readdomainconf Nsd_ZoneFile)}"
+  Nsd_Command="${Nsd_Command:-$(_readdomainconf Nsd_Command)}"
+
+  # Arg checks
+  if [ -z "$Nsd_ZoneFile" ] || [ -z "$Nsd_Command" ]; then
+    Nsd_ZoneFile=""
+    Nsd_Command=""
+    _err "Specify ENV vars Nsd_ZoneFile and Nsd_Command"
+    return 1
+  fi
+
+  if [ ! -f "$Nsd_ZoneFile" ]; then
+    Nsd_ZoneFile=""
+    Nsd_Command=""
+    _err "No such file: $Nsd_ZoneFile"
+    return 1
+  fi
+
+  _savedomainconf Nsd_ZoneFile "$Nsd_ZoneFile"
+  _savedomainconf Nsd_Command "$Nsd_Command"
+
+  echo "$fulldomain. $ttlvalue IN TXT \"$txtvalue\"" >> "$Nsd_ZoneFile"
+  _info "Added TXT record for $fulldomain"
+  _debug "Running $Nsd_Command"
+  if eval "$Nsd_Command"; then
+    _info "Successfully updated the zone"
+    return 0
+  else
+    _err "Problem updating the zone"
+    return 1
+  fi
+}
+
+# args: fulldomain txtvalue
+dns_nsd_rm() 
+{
+  fulldomain=$1
+  txtvalue=$2
+  ttlvalue=300
+
+  Nsd_ZoneFile="${Nsd_ZoneFile:-$(_readdomainconf Nsd_ZoneFile)}"
+  Nsd_Command="${Nsd_Command:-$(_readdomainconf Nsd_Command)}"
+
+  sed -i "/$fulldomain. $ttlvalue IN TXT \"$txtvalue\"/d" "$Nsd_ZoneFile"
+  _info "Removed TXT record for $fulldomain"
+  _debug "Running $Nsd_Command"
+  if eval "$Nsd_Command"; then
+    _info "Successfully reloaded NSD "
+    return 0
+  else
+    _err "Problem reloading NSD"
+    return 1
+  fi
+}
+