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Create install-service.sh
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Thorsten Spille
GitHub
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src/zmb-ad-join/install-service.sh
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136
src/zmb-ad-join/install-service.sh
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#!/bin/bash
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# Authors:
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# (C) 2021 Idea an concept by Christian Zengel <christian@sysops.de>
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# (C) 2021 Script design and prototype by Markus Helmke <m.helmke@nettwarker.de>
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# (C) 2021 Script rework and documentation by Thorsten Spille <thorsten@spille-edv.de>
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source /root/zamba.conf
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source /root/constants-service.conf
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ZMB_DNS_BACKEND="SAMBA_INTERNAL"
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for f in ${OPTIONAL_FEATURES[@]}; do
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if [[ "$f" == "wsdd" ]]; then
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ADDITIONAL_PACKAGES="wsdd $ADDITIONAL_PACKAGES"
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ADDITIONAL_SERVICES="wsdd $ADDITIONAL_SERVICES"
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apt-key adv --fetch-keys https://pkg.ltec.ch/public/conf/ltec-ag.gpg.key
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echo "deb https://pkg.ltec.ch/public/ $(lsb_release -cs) main" > /etc/apt/sources.list.d/wsdd.list
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elif [[ "$f" == "splitdns" ]]; then
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ADDITIONAL_PACKAGES="nginx-full $ADDITIONAL_PACKAGES"
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ADDITIONAL_SERVICES="nginx $ADDITIONAL_SERVICES"
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elif [[ "$f" == "bind9dlz" ]]; then
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ZMB_DNS_BACKEND="BIND9_DLZ"
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ADDITIONAL_PACKAGES="bind9 $ADDITIONAL_PACKAGES"
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ADDITIONAL_SERVICES="bind9 $ADDITIONAL_SERVICES"
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else
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echo "Unsupported optional feature $f"
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fi
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done
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## configure ntp
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cat << EOF > /etc/ntp.conf
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# Local clock. Note that is not the "localhost" address!
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server 127.127.1.0
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fudge 127.127.1.0 stratum 10
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# Where to retrieve the time from
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server 0.de.pool.ntp.org iburst prefer
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server 1.de.pool.ntp.org iburst prefer
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server 2.de.pool.ntp.org iburst prefer
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driftfile /var/lib/ntp/ntp.drift
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logfile /var/log/ntp
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ntpsigndsocket /usr/local/samba/var/lib/ntp_signd/
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# Access control
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# Default restriction: Allow clients only to query the time
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restrict default kod nomodify notrap nopeer mssntp
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# No restrictions for "localhost"
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restrict 127.0.0.1
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# Enable the time sources to only provide time to this host
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restrict 0.pool.ntp.org mask 255.255.255.255 nomodify notrap nopeer noquery
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restrict 1.pool.ntp.org mask 255.255.255.255 nomodify notrap nopeer noquery
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restrict 2.pool.ntp.org mask 255.255.255.255 nomodify notrap nopeer noquery
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tinker panic 0
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EOF
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# update packages
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apt update
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DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt -y -qq dist-upgrade
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# install required packages
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DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -o DPkg::options::="--force-confdef" -o DPkg::options::="--force-confold" $LXC_TOOLSET $ADDITIONAL_PACKAGES rsync acl attr ntpdate rpl net-tools dnsutils ntp samba smbclient winbind libpam-winbind libnss-winbind krb5-user samba-dsdb-modules samba-vfs-modules lmdb-utils
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if [[ "$ADDITIONAL_PACKAGES" == *"nginx-full"* ]]; then
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cat << EOF > /etc/nginx/sites-available/default
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server {
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listen 80 default_server;
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server_name _;
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return 301 http://www.$LXC_DOMAIN\$request_uri;
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}
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EOF
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fi
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if [[ "$ADDITIONAL_PACKAGES" == *"bind9"* ]]; then
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# configure bind dns service
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cat << EOF > /etc/default/bind9
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#
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# run resolvconf?
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RESOLVCONF=no
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# startup options for the server
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OPTIONS="-4 -u bind"
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EOF
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cat << EOF > /etc/bind/named.conf.local
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//
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// Do any local configuration here
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//
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// Consider adding the 1918 zones here, if they are not used in your
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// organization
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//include "/etc/bind/zones.rfc1918";
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dlz "$LXC_DOMAIN" {
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database "dlopen /usr/lib/x86_64-linux-gnu/samba/bind9/dlz_bind9_11.so";
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};
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EOF
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cat << EOF > /etc/bind/named.conf.options
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options {
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directory "/var/cache/bind";
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forwarders {
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$LXC_DNS;
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};
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allow-query { any;};
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dnssec-validation no;
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auth-nxdomain no; # conform to RFC1035
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listen-on-v6 { any; };
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listen-on { any; };
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tkey-gssapi-keytab "/var/lib/samba/bind-dns/dns.keytab";
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minimal-responses yes;
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};
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EOF
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mkdir -p /var/lib/samba/bind-dns/dns
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fi
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mv /etc/krb5.conf /etc/krb5.conf.bak
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cat > /etc/krb5.conf <<EOF
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[libdefaults]
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default_realm = $ZMB_REALM
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ticket_lifetime = 600
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dns_lookup_realm = true
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dns_lookup_kdc = true
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renew_lifetime = 7d
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EOF
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# stop + disable samba services and remove default config
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systemctl disable --now smbd nmbd winbind systemd-resolved
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rm -f /etc/samba/smb.conf
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echo -e "$ZMB_ADMIN_PASS" | kinit -V $ZMB_ADMIN_USER
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samba-tool domain join $ZMB_REALM DC -k yes --backend-store=mdb
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cat > /etc/cron.d/sysvol-sync << EOF
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*/5 * * * * root /usr/bin/rsync -XAavz --delete-after root@$LXC_DNS:/var/lib/samba/sysvol/ /var/lib/samba/sysvol
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EOF
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ssh-keygen -q -f "$HOME/.ssh/id_rsa" -N "" -b 4096
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systemctl unmask samba-ad-dc
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systemctl enable samba-ad-dc
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systemctl restart samba-ad-dc $ADDITIONAL_SERVICES
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