From de0c26703c34f78c8d57c0902260dcaa81bd58b1 Mon Sep 17 00:00:00 2001
From: jeanGaston <goncalvesmonnetpaul@gmail.com>
Date: Sun, 14 Apr 2024 14:33:44 +0200
Subject: [PATCH] Update ad-join-script.sh

Admm dynDNS
---
 ad-join-script.sh | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/ad-join-script.sh b/ad-join-script.sh
index 0e3594b..526c0be 100644
--- a/ad-join-script.sh
+++ b/ad-join-script.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-
 # Prompt the user for the hostname
 read -p "Enter the hostname for the server: " hostname
 echo
@@ -26,37 +25,42 @@ echo "Changing the hostname to: $hostname.$domain_name"
 
 # Change the hostname
 hostnamectl set-hostname $hostname
-echo "$hostname.$domain_name" | sudo tee -a /etc/hostname
+echo "$hostname.$domain_name" | sudo tee /etc/hostname
 
 # Change the DNS server settings in /etc/resolv.conf
 echo "Changing DNS server to: $dns_server"
 echo "nameserver $dns_server" | sudo tee /etc/resolv.conf
 
-# Install the necessary packages
+# Install the necessary packages with a loading bar
 echo "Installing required packages..."
-apt -y install realmd sssd sssd-tools libnss-sss libpam-sss adcli samba-common-bin oddjob oddjob-mkhomedir packagekit
+apt -y install realmd sssd sssd-tools libnss-sss libpam-sss adcli samba-common-bin oddjob oddjob-mkhomedir packagekit & loading_bar
 
-# Discover the domain
-echo "Discovering the domain..."
-realm discover $domain_name
-
-# Join the domain using the provided information
+# Discover the domain and join, registering DNS
 echo "Joining the domain and registering DNS..."
 echo $admin_password | realm join --user=$admin_user $domain_name
 
-
-# Modify the sssd.conf configuration
-echo "Modifying sssd.conf..."
-sed -i 's/use_fully_qualified_names = True/use_fully_qualified_names = False/g' /etc/sssd/sssd.conf
+# Modify the sssd.conf configuration to enable dynamic DNS updates
+echo "Configuring dynamic DNS updates..."
+cat <<EOF | sudo tee -a /etc/sssd/sssd.conf
+[domain/$domain_name]
+id_provider = ad
+auth_provider = ad
+chpass_provider = ad
+access_provider = ad
+ldap_schema = ad
+dyndns_update = true
+dyndns_refresh_interval = 43200
+dyndns_update_ptr = true
+dyndns_ttl = 3600
+EOF
 
 # Restart the SSSD service
 echo "Restarting the SSSD service..."
 systemctl restart sssd
 
-# Add the user to the sudoers file
-echo "Adding the user to the sudoers file..."
+# Add the user and AD group to the sudoers file
+echo "Adding the user and AD group to the sudoers file..."
 echo "$admin_user ALL=(ALL:ALL) ALL" | sudo tee -a /etc/sudoers
-echo "Adding the group to the sudoers file..."
 echo "%$ad_group ALL=(ALL:ALL) ALL" | sudo tee -a /etc/sudoers
 
 # Verify successful domain join by looking up the user