From 4dd1f87e73fbc31af447df618ef54486415d65aa Mon Sep 17 00:00:00 2001
From: raven <raven@mwsq.de>
Date: Mon, 1 Aug 2022 21:30:33 +0200
Subject: [PATCH] added sshd to common

---
 roles/common/defaults/main.yml        |   3 +
 roles/common/handlers/main.yml        |   6 ++
 roles/common/tasks/Debian.yml         |  11 +++
 roles/common/templates/sshd_config.j2 | 121 ++++++++++++++++++++++++++
 4 files changed, 141 insertions(+)
 create mode 100644 roles/common/templates/sshd_config.j2

diff --git a/roles/common/defaults/main.yml b/roles/common/defaults/main.yml
index 83d6fca..b67fa5d 100644
--- a/roles/common/defaults/main.yml
+++ b/roles/common/defaults/main.yml
@@ -6,3 +6,6 @@ logrotate_excludes:
 - "/etc/logrotate.d/dbconfig-common"
 - "/etc/logrotate.d/btmp"
 - "/etc/logrotate.d/wtmp"
+
+sshd_password_authentication: "no"
+sshd_permit_root_login: "prohibit-password"
diff --git a/roles/common/handlers/main.yml b/roles/common/handlers/main.yml
index c20a8b6..29f8c33 100644
--- a/roles/common/handlers/main.yml
+++ b/roles/common/handlers/main.yml
@@ -11,3 +11,9 @@
 
 - name: update-initramfs
   command: update-initramfs -u -k all
+
+- name: restart sshd
+  service:
+    name: sshd
+    state: restarted
+  listen: "restart sshd"
diff --git a/roles/common/tasks/Debian.yml b/roles/common/tasks/Debian.yml
index 5db99d7..1add3e0 100644
--- a/roles/common/tasks/Debian.yml
+++ b/roles/common/tasks/Debian.yml
@@ -102,3 +102,14 @@
     regexp: "rotate [0-9]+"
     replace: "rotate 7"
   loop: "{{ logrotateconfigpaths }}"
+    
+- name: copy files/configs
+  template: 
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    owner: root
+    group: root
+    mode: '0644'
+  with_items:
+  - { src: 'sshd_config.j2', dest: '/etc/ssh/sshd_config' }
+  notify: "restart sshd"
diff --git a/roles/common/templates/sshd_config.j2 b/roles/common/templates/sshd_config.j2
new file mode 100644
index 0000000..27aca1d
--- /dev/null
+++ b/roles/common/templates/sshd_config.j2
@@ -0,0 +1,121 @@
+#       $OpenBSD: sshd_config,v 1.103 2018/04/09 20:41:22 tj Exp $
+
+# This is the sshd server system-wide configuration file.  See
+# sshd_config(5) for more information.
+
+# This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin
+
+# The strategy used for options in the default sshd_config shipped with
+# OpenSSH is to specify options with their default value where
+# possible, but leave them commented.  Uncommented options override the
+# default value.
+
+#Port 22
+#AddressFamily any
+#ListenAddress 0.0.0.0
+#ListenAddress ::
+
+#HostKey /etc/ssh/ssh_host_rsa_key
+#HostKey /etc/ssh/ssh_host_ecdsa_key
+#HostKey /etc/ssh/ssh_host_ed25519_key
+
+# Ciphers and keying
+#RekeyLimit default none
+
+# Logging
+#SyslogFacility AUTH
+#LogLevel INFO
+
+# Authentication:
+
+#LoginGraceTime 2m
+PermitRootLogin {{ sshd_permit_root_login }}
+#StrictModes yes
+#MaxAuthTries 6
+#MaxSessions 10
+
+#PubkeyAuthentication yes
+
+# Expect .ssh/authorized_keys2 to be disregarded by default in future.
+#AuthorizedKeysFile     .ssh/authorized_keys .ssh/authorized_keys2
+
+#AuthorizedPrincipalsFile none
+
+#AuthorizedKeysCommand none
+#AuthorizedKeysCommandUser nobody
+
+# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
+#HostbasedAuthentication no
+# Change to yes if you don't trust ~/.ssh/known_hosts for
+# HostbasedAuthentication
+#IgnoreUserKnownHosts no
+# Don't read the user's ~/.rhosts and ~/.shosts files
+#IgnoreRhosts yes
+
+# To disable tunneled clear text passwords, change to no here!
+PasswordAuthentication {{ sshd_password_authentication }}
+#PermitEmptyPasswords no
+
+# Change to yes to enable challenge-response passwords (beware issues with
+# some PAM modules and threads)
+ChallengeResponseAuthentication no
+
+# Kerberos options
+#KerberosAuthentication no
+#KerberosOrLocalPasswd yes
+#KerberosTicketCleanup yes
+#KerberosGetAFSToken no
+
+# GSSAPI options
+#GSSAPIAuthentication no
+#GSSAPICleanupCredentials yes
+#GSSAPIStrictAcceptorCheck yes
+#GSSAPIKeyExchange no
+
+# Set this to 'yes' to enable PAM authentication, account processing,
+# and session processing. If this is enabled, PAM authentication will
+# be allowed through the ChallengeResponseAuthentication and
+# PasswordAuthentication.  Depending on your PAM configuration,
+# PAM authentication via ChallengeResponseAuthentication may bypass
+# the setting of "PermitRootLogin without-password".
+# If you just want the PAM account and session checks to run without
+# PAM authentication, then enable this but set PasswordAuthentication
+# and ChallengeResponseAuthentication to 'no'.
+UsePAM yes
+
+#AllowAgentForwarding yes
+#AllowTcpForwarding yes
+#GatewayPorts no
+X11Forwarding yes
+#X11DisplayOffset 10
+#X11UseLocalhost yes
+#PermitTTY yes
+PrintMotd no
+#PrintLastLog yes
+#TCPKeepAlive yes
+#PermitUserEnvironment no
+#Compression delayed
+#ClientAliveInterval 0
+#ClientAliveCountMax 3
+#UseDNS no
+#PidFile /var/run/sshd.pid
+#MaxStartups 10:30:100
+#PermitTunnel no
+#ChrootDirectory none
+#VersionAddendum none
+
+# no default banner path
+#Banner none
+
+# Allow client to pass locale environment variables
+AcceptEnv LANG LC_*
+
+# override default of no subsystems
+Subsystem       sftp    /usr/lib/openssh/sftp-server
+
+# Example of overriding settings on a per-user basis
+#Match User anoncvs
+#       X11Forwarding no
+#       AllowTcpForwarding no
+#       PermitTTY no
+#       ForceCommand cvs server