From ad1c7593109422a30c6258eb8f8a831cbead8e4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zoran=20Peri=C4=8Di=C4=87?= <zpericic@netst.org>
Date: Wed, 5 May 2021 17:45:36 +0200
Subject: [PATCH] NetworkManager support

---
 dnsupdate       | 11 ++++++++---
 dnsupdate.spec  |  6 +++++-
 nm-dnsupdate.sh | 16 ++++++++++++++++
 3 files changed, 29 insertions(+), 4 deletions(-)
 create mode 100755 nm-dnsupdate.sh

diff --git a/dnsupdate b/dnsupdate
index e922145..4a705c2 100755
--- a/dnsupdate
+++ b/dnsupdate
@@ -224,7 +224,12 @@ EOF
 }
 
 function check_ip() {
-	local ips=`nslookup $1 | awk '/^Address: / { print \$2 }'`
+	# $1 - hostname
+	# $2 - IP
+	# $3 - Replace
+	# $4 - Server
+
+	local ips=`nslookup $1 $4 | awk '/^Address: / { print \$2 }'`
 	local count=`echo $ips | wc -l`
 
 	if [ "$3" == "yes" ]; then
@@ -281,7 +286,7 @@ function parse_ddns_config() {
 		tsig_key_secret=${DDNS_TSIG_KEY_SECRET}
 
 		echo replace $DDNS_REPLACE
-		if check_ip "$rr_name" "$rr_data" "$replace"; then
+		if check_ip "$rr_name" "$rr_data" "$replace" "$server"; then
 			run_nsupdate "${rr_name}" "${ttl}" "${type}" "${rr_data}" "${replace}" "${server}" "${tcp}" "${zone}" "${gss_tsig}" "${gss_keytab}" "${gss_principal}" "${tsig_file}" "${tsig_key_type}" "${tsig_key_name}" "${tsig_key_secret}"
 		fi
 	fi
@@ -306,7 +311,7 @@ function parse_ddns_config() {
 		tsig_key_name=$(eval echo "\${DDNS${hostnum}_TSIG_KEY_NAME-\${DDNS_TSIG_KEY_NAME}}")
 		tsig_key_secret=$(eval echo "\${DDNS${hostnum}_TSIG_KEY_SECRET-\${DDNS_TSIG_KEY_SECRET}}")
 
-		if check_ip "$rr_name" "$rr_data" "$replace"; then
+		if check_ip "$rr_name" "$rr_data" "$replace" "$server"; then
 			run_nsupdate "${rr_name}" "${ttl}" "${type}" "${rr_data}" "${replace}" "${server}" "${tcp}" "${zone}" "${gss_tsig}" "${gss_keytab}" "${gss_principal}" "${tsig_file}" "${tsig_key_type}" "${tsig_key_name}" "${tsig_key_secret}"
 		fi
 		(( hostnum++ ))
diff --git a/dnsupdate.spec b/dnsupdate.spec
index 62ca7e9..25a4cfb 100644
--- a/dnsupdate.spec
+++ b/dnsupdate.spec
@@ -1,6 +1,6 @@
 Summary:        Dynamic DNS for ppp and dhclient
 Name:           dnsupdate
-Version:        0.5.2
+Version:        0.6.0
 Release:        1%{?dist}
 License:        GPLv2+
 Group:          System Environment/Daemons
@@ -15,6 +15,7 @@ Source0:        dnsupdate
 Source1:        dhclient-dnsupdate.sh
 Source2:        ppp-dnsupdate.sh
 Source3:        dnsupdate.cron
+Source4:        nm-dnsupdate.sh
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -31,11 +32,13 @@ install -dm 755 $RPM_BUILD_ROOT%{_sysconfdir}/dhcp/
 install -dm 755 $RPM_BUILD_ROOT%{_sysconfdir}/dhcp/dhclient.d
 install -dm 755 $RPM_BUILD_ROOT%{_sysconfdir}/ppp
 install -dm 755 $RPM_BUILD_ROOT%{_sysconfdir}/ppp/ip-up.d
+install -dm 755 $RPM_BUILD_ROOT%{_sysconfdir}/NetworkManager/dispatcher.d
 
 install -pm 755 %{SOURCE0} $RPM_BUILD_ROOT%{_bindir}/dnsupdate
 install -pm 755 %{SOURCE1} $RPM_BUILD_ROOT%{_sysconfdir}/dhcp/dhclient.d/dnsupdate.sh
 install -pm 755 %{SOURCE2} $RPM_BUILD_ROOT%{_sysconfdir}/ppp/ip-up.d/dnsupdate.sh
 install -pm 644 %{SOURCE3} $RPM_BUILD_ROOT%{_sysconfdir}/cron.d/dnsupdate
+install -pm 644 %{SOURCE4} $RPM_BUILD_ROOT%{_sysconfdir}/NetworkManager/dispatcher.d
 
 %clean
 %{__rm} -rf %{buildroot}
@@ -45,6 +48,7 @@ install -pm 644 %{SOURCE3} $RPM_BUILD_ROOT%{_sysconfdir}/cron.d/dnsupdate
 %defattr(-,root,root,-)
 
 %{_bindir}/dnsupdate
+%{_sysconfdir}/NetworkManager/dispatcher.d/nm-dnsupdate.sh
 %{_sysconfdir}/dhcp/dhclient.d/dnsupdate.sh
 %{_sysconfdir}/ppp/ip-up.d/dnsupdate.sh
 %{_sysconfdir}/cron.d/dnsupdate
diff --git a/nm-dnsupdate.sh b/nm-dnsupdate.sh
new file mode 100755
index 0000000..b221446
--- /dev/null
+++ b/nm-dnsupdate.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+IF=$1
+STATUS=$2
+
+case "$2" in
+        up|dhcp4-change)
+        logger -s "NM Script up $IF triggered dnsupdate"
+        dnsupdate "$1"
+        ;;
+        down)
+        logger -s "NM Script down $IF triggered dnsupdate"
+        ;;
+        *)
+        ;;
+esac