commit 145503c3967c93e5e55b5a03659d9448202ac629
Author: Oliver Bohlen <olli@station-gabosh.gabosh.net>
Date:   Wed Jul 6 12:40:30 2022 +0200

    first commit

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/basics.yml b/basics.yml
new file mode 100644
index 0000000..f6c0e8a
--- /dev/null
+++ b/basics.yml
@@ -0,0 +1,542 @@
+---
+- name: Basic Debian Linux Setup
+  hosts: all
+  tasks:
+    #- name: Print all available facts
+    #  ansible.builtin.debug:
+    #    var: ansible_facts
+
+    - name: Install Basic Packages
+      apt:
+        name:
+          - dhcpcd5
+          - hd-idle
+          - psutils
+          - psmisc
+          - procps
+          - htop
+          - iotop
+          - sysstat
+          - jnettop
+          - strace
+          - vim
+          - git
+          - man-db
+          - net-tools
+          - tmux
+          - netcat
+          - ethtool
+          - debconf-utils
+          - iputils-ping
+          - lsof
+          - inotify-tools
+          - rsync
+          - dos2unix
+          - locales
+          - iproute2
+          - logrotate
+          - curl
+          - moreutils
+          - ffmpeg
+          - mediainfo
+          - smartmontools
+          - telnet
+          - libstring-approx-perl
+          - postfix
+          - zip
+          - nmap
+          - whois
+          - libfile-readbackwards-perl
+          - libcrypt-cbc-perl
+          - libcrypt-des-perl
+          - at
+          - pwgen
+          - certbot
+          - btrfs-progs
+          - ufw
+          - jq
+          - btrfsmaintenance
+          - cifs-utils
+          - apt-transport-https
+          - sudo
+          - golang
+          - make
+        update_cache: yes
+        install_recommends: no
+
+    - name: add dhcpcd to startup
+      command: systemctl enable dhcpcd
+      args:
+        creates: /etc/systemd/system/multi-user.target.wants/dhcpcd.service
+
+    - name: No DHCPcd for internal interfaces
+      ansible.builtin.lineinfile:
+        path: /etc/dhcpcd.conf
+        line: denyinterfaces docker0 virbr0 tornet0 veth* br*
+
+    - name: Disable all Network-config but source interfaces.d in /etc/network/interfaces because dhcpcd will do the job
+      replace:
+        path: /etc/network/interfaces
+        regexp: '(^iface .*)'
+        replace: '#\1'
+
+    - name: Disable all Network-config but source interfaces.d in /etc/network/interfaces because dhcpcd will do the job
+      replace:
+        path: /etc/network/interfaces
+        regexp: '(^allow-hotplug .*)'
+        replace: '#\1'
+
+    - name: Disable all Network-config but source interfaces.d in /etc/network/interfaces because dhcpcd will do the job
+      replace:
+        path: /etc/network/interfaces
+        regexp: '(^auto .*)'
+        replace: '#\1'
+
+    - name: Set a hostname
+      ansible.builtin.hostname:
+        name: "{{inventory_hostname}}"
+    
+    - name: Set timezone to Europe/Berlin
+      community.general.timezone:
+        name: Europe/Berlin
+    
+#    - name: Create {{ ansible_facts['hostname'] }}adm User
+#      ansible.builtin.user:
+#        name: "{{ ansible_facts['hostname'] }}adm"
+#        comment: "{{ ansible_facts['hostname'] }}-Admin"
+#        uid: 1000
+#        group: users
+#        password: $6$Zqar9GCRvbVgPlZ/$L2xAMekMjE5PXuWY0WbmUcugJkqD14O6/cgC02O0hT5vOdiDj5Pcp6FU/Zz.rCkWKVSPsmTc2OtXAmQIHLc1V1
+
+    - name: Allow the hostnameadm User all sudo commands
+      community.general.sudoers:
+        name: ALL
+        state: present
+        user: "{{ ansible_facts['hostname'] }}adm"
+        commands: ALL
+
+    - name: Remove root-Password
+      user:
+        name: root
+        password: '*'
+
+    - name: German keyboard layout
+      ansible.builtin.lineinfile:
+        path: /etc/default/keyboard
+        regexp: '^XKBLAYOUT=".+$'
+        line: 'XKBLAYOUT="de"'
+        backup: yes
+      notify: setupcon
+
+    - name: nodeadkeys
+      ansible.builtin.lineinfile:
+        path: /etc/default/keyboard
+        regexp: '^XKBVARIANT=".+$'
+        line: 'XKBVARIANT="nodeadkeys"'
+        backup: yes
+      notify: setupcon
+
+    - name: Prefer ipv4 over ipv6 to avoid problems and waiting times
+      ansible.builtin.lineinfile:
+        path: /etc/gai.conf
+        regexp: '^#precedence ::ffff:0:0/96  100'
+        line: "precedence ::ffff:0:0/96  100  # CHANGED BY ANSIBLE"
+        backup: yes
+
+    - name: Ensure en_US.UTF-8 locale exists
+      community.general.locale_gen:
+        name: en_US.UTF-8 
+        state: present
+    - name: Ensure en_GB.UTF-8 locale exists
+      community.general.locale_gen:
+        name: en_GB.UTF-8
+        state: present
+    - name: Ensure de_DE.UTF-8 locale exists
+      community.general.locale_gen:
+        name: de_DE.UTF-8
+        state: present
+      notify: localectl
+
+    - name: SSHD hardening
+      blockinfile:
+        path: /etc/ssh/sshd_config.d/hardening.conf
+        mode: "0444"
+        owner: root
+        group: root
+        create: yes
+        insertbefore: BOF # Beginning of the file
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          Port 22
+          Port 33
+          PermitRootLogin without-password
+          PubkeyAuthentication yes
+          X11Forwarding no
+          AllowAgentForwarding no
+          AllowTcpForwarding yes
+          Subsystem sftp internal-sftp -f AUTH -l INFO -u 0007
+          ## Ciphers Check https://sshcheck.com/server/{{inventory_hostname}}/
+          # nmap -p22 -n -sV --script ssh2-enum-algos localhost
+          KexAlgorithms curve25519-sha256@libssh.org
+          HostKeyAlgorithms ssh-ed25519
+          Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com
+          MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com
+          IgnoreRhosts yes
+          LogLevel VERBOSE
+          AddressFamily any
+        backup: yes
+        validate: /usr/sbin/sshd -T -f %s
+      notify:
+      - Restart sshd
+
+    - name: Disable external sftp-Subsystem
+      replace:
+        path: /etc/ssh/sshd_config
+        regexp: '(^Subsystem.*sftp.*)'
+        replace: '#\1'
+        validate: /usr/sbin/sshd -T -f %s
+        backup: yes
+      notify:
+      - Restart sshd
+
+    - name: Generate an OpenSSH keypair ed25519
+      community.crypto.openssh_keypair:
+        path: /root/.ssh/id_ed25519
+        type: ed25519
+
+    - ansible.posix.sysctl:
+        name: vm.swappiness
+        value: '5'
+        state: present
+
+    - name: shell profile
+      blockinfile:
+        path: /etc/profile.d/settings-from-ansible.sh
+        create: yes
+        mode: "0444"
+        owner: root
+        group: root
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          if ${use_color} ; then
+            if [[ ${EUID} == 0 ]] ; then
+              PS1='\[\033[01;31m\]\h\[\033[01;34m\] \w \$\[\033[00m\] '
+            else
+              PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
+            fi
+            EDITOR="/usr/bin/vim"
+            HISTSIZE=10000
+            HISTFILESIZE=10000
+            if [ -f /etc/debian_version ]
+            then
+              export PATH="$PATH:/usr/local/bin:/usr/local/sbin"
+              export LANG="en_US.UTF-8"
+              export DEBIAN_FRONTEND='noninteractive'
+              alias ls='ls --color=auto'
+              alias grep='grep --colour=auto'
+              alias egrep='egrep --colour=auto'
+              alias fgrep='fgrep --colour=auto'
+            fi
+          else
+            # show root@ when we don't have colors
+            PS1+='\u@\h \w \$'
+          fi
+        backup: yes
+        validate: /bin/bash -n %s
+
+    - name: vim settings
+      blockinfile:
+        path: /etc/vim/vimrc.local
+        mode: "0444"
+        owner: root
+        group: root
+        create: yes
+        marker: "\" {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          :syntax on
+          let g:skip_defaults_vim = 1
+          set encoding=utf-8
+          syntax match nonascii "[^[:alnum:][:punct:][:space:]]/"
+          highlight nonascii guibg=Red ctermbg=2
+        backup: yes
+
+    - name: gaboshlib.include
+      copy:
+        src: configs/etc/bash
+        dest: /etc/
+        owner: root
+        group: root
+        mode: "0444"
+        directory_mode: "0555"
+        backup: yes
+        validate: /bin/bash -n %s
+
+    - name: systemd-journald settings
+      blockinfile:
+        path: /etc/systemd/journald.conf.d/journald.local.conf
+        create: yes
+        mode: "0444"
+        owner: root
+        group: root
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          [Journal]
+          Storage=persistent
+          SystemMaxUse=30M
+          ForwardToSyslog=yes
+        backup: yes
+      notify:
+      - Restart journald
+
+    - name: Create updates dir /usr/local/sbin/autoupdate.d
+      ansible.builtin.file:
+        path: /usr/local/sbin/autoupdate.d
+        owner: root
+        group: root
+        state: directory
+        mode: '0700'
+
+    - name: /usr/local/sbin/autoupdate.sh
+      blockinfile:
+        path: /usr/local/sbin/autoupdate.sh
+        mode: "0500"
+        owner: root
+        group: root
+        create: yes
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          . /etc/bash/gaboshlib.include
+          g_nice
+          g_lockfile
+          g_all-to-syslog
+          set -o pipefail
+          find /usr/local/sbin/autoupdate.d -name "*.update" -type f | sort | while read update
+          do
+            g_echo "Running: $update"
+            . "$update"
+            sleep 60
+          done
+        backup: yes
+        validate: /bin/bash -n %s
+
+    - name: /usr/local/sbin/autoupdate.sh shebang
+      lineinfile:
+        path: /usr/local/sbin/autoupdate.sh
+        insertbefore: BOF
+        line: "#!/bin/bash"
+
+    - name: /usr/local/sbin/autoupdate.d/debian.update
+      blockinfile:
+        path: /usr/local/sbin/autoupdate.d/debian.update
+        mode: "0400"
+        owner: root
+        group: root
+        create: yes
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          g_echo_ok "Prüfe auf Systemupdates"
+          apt-get update || g_echo_error "apt-get update fehlgeschlagen"
+          if ! apt-get -s dist-upgrade 2>&1 | sed -e "s/'/'\\\\''/g; 1s/^/'/; \$s/\$/'/" | tee $g_tmp/sys-updatelist | egrep "^0.+, 0 .+, 0 .+ 0 .+\."
+          then
+            g_echo_warn "Systemupdate wird eingespielt: $(cat $g_tmp/sys-updatelist)"
+            DEBIAN_FRONTEND=noninteractive apt-get -yy dist-upgrade | sed -e "s/'/'\\\\''/g; 1s/^/'/; \$s/\$/'/" | tee $g_tmp/sys-update || g_echo_error "apt-get -yy dist-upgrade failed $($g_tmp/sys-update)"
+            DEBIAN_FRONTEND=noninteractive needrestart -b -r a | egrep -q "^NEEDRESTART-KSTA: [2|3]" && g_echo_warn "Server Reboot benötigt"
+          fi
+        backup: yes
+        validate: /bin/bash -n %s
+
+    - name: /etc/cron.d/autoupdate_local
+      blockinfile:
+        path: /etc/cron.d/autoupdate_local
+        mode: "0400"
+        owner: root
+        group: root
+        create: yes
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          ## Auto-Update
+          5 6 * * * root /usr/local/sbin/autoupdate.sh
+        backup: yes
+
+#    - name: Autoupdate
+#      copy:
+#        src: configs/usr/local/sbin/autoupdate.sh
+#        dest: /usr/local/sbin/autoupdate.sh
+#        owner: root
+#        group: root
+#        mode: "0555"
+#        backup: yes
+#        validate: /bin/bash -n %s
+#    - name: Autoupdate Cronb
+#      copy:
+#        src: configs/etc/cron.d/autoupdate_local
+#        dest: /etc/cron.d/autoupdate_local
+#        owner: root
+#        group: root
+#        mode: "0444"
+#        backup: yes
+ 
+    - name: /etc/rsyslog.d/00-services-remote.conf
+      blockinfile:
+        path: /etc/rsyslog.d/00-services-remote.conf
+        create: yes
+        mode: "0444"
+        owner: root
+        group: root
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          # Listen for remote Logging (UDP)
+          module(load="imudp")
+          input(type="imudp" port="514")
+          # Hosts
+          if $hostname startswith '192.168.1.1' and $msg contains 'User admin login from 192.168.1.2 successful' then stop
+          if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'wdGetDidSendCredentials not implemented' and $programname contains 'citrix-wfica' then stop
+          if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'CGPrecv: socket 0x' and $programname contains 'citrix-wfica' then stop
+          if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'doEncryptData inbuffersize: ' and $programname contains 'citrix-wfica' then stop
+          if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'SSLPutDataFn inbuffersize: ' and $programname contains 'citrix-wfica' then stop
+          if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'SRC=192.168.' and $programname contains 'kernel' then stop
+          
+          if $hostname startswith '192.168.1.1' then /var/log/zyxel.log
+          if $hostname startswith '192.168.1.1' then stop
+          if $hostname startswith 'raspberry-' then /var/log/Raspberrys.log
+          if $hostname startswith 'raspberry-' then stop
+          if $hostname startswith 'router-' then /var/log/router.log
+          if $hostname startswith 'router-' then stop
+          
+          # Auth success (for share-auth 2FA)
+          #if $programname == 'nextcloud-audit' and $msg contains 'Login successful:' then /var/log/auth-success.log
+          #if $programname == 'imaps' and $msg contains 'TLS User logged in' then /var/log/auth-success.log
+          
+          if $hostname == 'xgabosh' then /var/log/xgabosh.log
+          if $hostname == 'xgabosh' then stop
+          if $hostname != '{{ ansible_facts['hostname'] }}' and $hostname != 'share' and $hostname != 'backup-chroot' then /var/log/GTC-Hosts.log
+          if $hostname != '{{ ansible_facts['hostname'] }}' and $hostname != 'share' and $hostname != 'backup-chroot' then stop
+        backup: yes
+
+      notify:
+      - Restart rsyslog
+
+    - name: rsyslog-config local
+      copy:
+        src: configs/etc/rsyslog.d/01-services-local.conf
+        dest: /etc
+        owner: root
+        group: root
+        mode: "0444"
+        backup: yes
+      notify:
+      - Restart rsyslog
+
+    - name: hd-idle for spinning down disks after XXX seconds idle
+      blockinfile:
+        path: /etc/default/hd-idle
+        create: yes
+        mode: "0444"
+        owner: root
+        group: root
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          HD_IDLE_OPTS="-i 300 -l /var/log/hd-idle.log"
+        backup: yes
+      notify:
+      - Restart hd-idle
+
+    - name: /etc/default/btrfsmaintenance
+      blockinfile:
+        path: /etc/default/btrfsmaintenance
+        mode: "0444"
+        owner: root
+        group: root
+        create: yes
+        insertbefore: EOF
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          BTRFS_LOG_OUTPUT="syslog"
+          BTRFS_BALANCE_MOUNTPOINTS="auto"
+          BTRFS_BALANCE_PERIOD="monthly"
+          BTRFS_SCRUB_MOUNTPOINTS="auto"
+          BTRFS_SCRUB_PERIOD="monthly"
+        backup: yes
+
+    - name: /etc/logrotate.conf (weekly->daily)
+      ansible.builtin.lineinfile:
+        path: /etc/logrotate.conf
+        regexp: '^weekly$'
+        line: 'daily'
+        backup: yes
+
+    - name: /etc/logrotate.d/apache2 (remove delaycompress)
+      ansible.builtin.lineinfile:
+        path: /etc/logrotate.d/apache2
+        regexp: '.*delaycompress$'
+        state: absent
+
+    - name: /etc/logrotate.d/00-local
+      blockinfile:
+        path: /etc/logrotate.d/00-local
+        mode: "0444"
+        owner: root
+        group: root
+        create: yes
+        marker: "# {mark} ANSIBLE MANAGED BLOCK"
+        block: |
+          /var/log/dmesgcron
+          /var/log/messages
+          /var/log/*.log
+          {
+            rotate 7
+            daily
+            missingok
+            notifempty
+            copytruncate
+            compress
+            postrotate
+              /usr/lib/rsyslog/rsyslog-rotate
+            endscript
+          }
+
+    - name: Remove logrotates
+      ansible.builtin.file:
+        path: /etc/logrotate.d/alternatives
+        state: absent
+
+    - name: Remove logrotates
+      ansible.builtin.file:
+        path: /etc/logrotate.d/dpkg
+        state: absent
+
+    - name: Remove logrotates
+      ansible.builtin.file:
+        path: /etc/logrotate.d/rsyslog
+        state: absent
+
+
+  handlers:
+
+    - name: setupcon
+      ansible.builtin.shell: setupcon
+
+    - name: localectl
+      ansible.builtin.shell: localectl set-locale LANG=de_DE.UTF-8
+
+    - name: Restart sshd
+      service:
+        name: sshd
+        state: restarted
+
+    - name: Restart journald
+      service:
+        name: systemd-journald
+        state: restarted
+
+    - name: Restart rsyslog
+      service:
+        name: rsyslog
+        state: restarted
+
+    - name: Restart hd-idle
+      service:
+        name: hd-idle
+        state: restarted
+
+