# This file is managed by Puppet, all local modifications will be overwritten
#
# Package generated configuration file
# See the sshd(8) manpage for details

<% unless (s=scope.lookupvar('sshd::head_additional_options')).empty? -%>
<%= s %>
<% end -%>

# What ports, IPs and protocols we listen for
<% scope.lookupvar('sshd::ports').to_a.each do |port| -%>
<% if port == 'off' -%>
#Port -- disabled by puppet
<% else -%>
Port <%= port %>
<% end -%>
<% end -%>

# Use these options to restrict which interfaces/protocols sshd will bind to
<% scope.lookupvar('sshd::listen_address').to_a.each do |address| -%>
ListenAddress <%= address %>
<% end -%>
Protocol 2
# HostKeys for protocol version 2
<% scope.lookupvar('sshd::hostkey_type').to_a.each do |hostkey_type| -%>
HostKey /etc/ssh/ssh_host_<%=hostkey_type %>_key
<% end -%>
#Privilege Separation is turned on for security
UsePrivilegeSeparation yes

# Lifetime and size of ephemeral version 1 server key
KeyRegenerationInterval 3600
ServerKeyBits 768

# Logging
SyslogFacility AUTH
LogLevel INFO

# Authentication:
LoginGraceTime 600
PermitRootLogin <%= scope.lookupvar('sshd::permit_root_login') %>

StrictModes <%= scope.lookupvar('sshd::strict_modes') %>

RSAAuthentication <%= scope.lookupvar('sshd::rsa_authentication') %>

PubkeyAuthentication <%= scope.lookupvar('sshd::pubkey_authentication') %>

AuthorizedKeysFile <%= scope.lookupvar('sshd::authorized_keys_file') %>

# Don't read the user's ~/.rhosts and ~/.shosts files
IgnoreRhosts <%= scope.lookupvar('sshd::ignore_rhosts') %>
# For this to work you will also need host keys in /etc/ssh_known_hosts
RhostsRSAAuthentication <%= scope.lookupvar('sshd::rhosts_rsa_authentication') %>
# similar for protocol version 2
HostbasedAuthentication <%= scope.lookupvar('sshd::hostbased_authentication') %>
# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
#IgnoreUserKnownHosts yes

# To enable empty passwords, change to yes (NOT RECOMMENDED)
PermitEmptyPasswords <%= scope.lookupvar('sshd::permit_empty_passwords') %>

# Change to yes to enable challenge-response passwords (beware issues with
# some PAM modules and threads)
ChallengeResponseAuthentication <%= scope.lookupvar('sshd::challenge_response_authentication') %>

# To disable tunneled clear text passwords, change to no here!
PasswordAuthentication <%= scope.lookupvar('sshd::password_authentication') %>

# Kerberos options
KerberosAuthentication <%= scope.lookupvar('sshd::kerberos_authentication') %>
KerberosOrLocalPasswd <%= scope.lookupvar('sshd::kerberos_orlocalpasswd') %>
KerberosTicketCleanup <%= scope.lookupvar('sshd::kerberos_ticketcleanup') %>

# GSSAPI options
GSSAPIAuthentication <%= scope.lookupvar('sshd::gssapi_authentication') %>
GSSAPICleanupCredentials <%= scope.lookupvar('sshd::gssapi_cleanupcredentials') %>

X11Forwarding <%= scope.lookupvar('sshd::x11_forwarding') %>
X11DisplayOffset 10
PrintMotd <%= scope.lookupvar('sshd::print_motd') %>
PrintLastLog yes
TCPKeepAlive yes

#UseLogin no

#MaxStartups 10:30:60
#Banner /etc/issue.net

# Allow client to pass locale environment variables
AcceptEnv LANG LC_*

Subsystem      sftp    <%= (s=scope.lookupvar('sshd::sftp_subsystem')).empty? ? '/usr/lib/openssh/sftp-server' : s %>

# 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 <%= scope.lookupvar('sshd::use_pam') %>

AllowTcpForwarding <%= scope.lookupvar('sshd::tcp_forwarding') %>

AllowAgentForwarding <%= scope.lookupvar('sshd::agent_forwarding') %>

<% unless (s=scope.lookupvar('sshd::allowed_users')).empty? -%>
AllowUsers <%= s %>
<% end -%>
<% unless (s=scope.lookupvar('sshd::allowed_groups')).empty? -%>
AllowGroups <%= s %>
<%- end -%>

<% if scope.lookupvar('sshd::hardened') == 'yes' -%>
<% if (scope.function_versioncmp([scope.lookupvar('::ssh_version'),'6.5'])) >= 0 -%>
KexAlgorithms curve25519-sha256@libssh.org
Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes256-ctr
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,umac-128@openssh.com
<% else -%>
Ciphers aes256-ctr
MACs hmac-sha1
<% end -%>
<% end -%>

<% unless (s=scope.lookupvar('sshd::tail_additional_options')).empty? -%>
<%= s %>
<% end -%>