17 files changed, 403 insertions, 0 deletions
diff --git a/puppet/modules/sshd/manifests/autossh.pp b/puppet/modules/sshd/manifests/autossh.pp
new file mode 100644
index 00000000..5650584a
--- /dev/null
+++ b/puppet/modules/sshd/manifests/autossh.pp
@@ -0,0 +1,40 @@
+class sshd::autossh($host,
+                    $port = undef, # this should be a remote->local hash
+                    $remote_user = undef,
+                    $user = 'root',
+                    $pidfile = '/var/run/autossh.pid',
+) {
+  if $port {
+    $port_ensure = $port
+  }
+  else {
+    # random port between 10000 and 20000
+    $port_ensure = fqdn_rand(10000) + 10000
+  }
+  if $remote_user {
+    $remote_user_ensure = $remote_user
+  }
+  else {
+    $remote_user_ensure = "host-$fqdn"
+  }
+  file {
+    '/etc/init.d/autossh':
+      mode   => '0555',
+      source => 'puppet:///modules/sshd/autossh.init.d';
+    '/etc/default/autossh':
+      mode    => '0444',
+      content => "USER=$user\nPIDFILE=$pidfile\nDAEMON_ARGS='-M0 -f -o ServerAliveInterval=15 -o ServerAliveCountMax=4 -q -N -R $port_ensure:localhost:22 $remote_user_ensure@$host'\n";
+  }
+  package { 'autossh':
+    ensure => present,
+  }
+  service { 'autossh':
+    ensure    => running,
+    enable    => true,
+    subscribe => [
+                  File['/etc/init.d/autossh'],
+                  File['/etc/default/autossh'],
+                  Package['autossh'],
+                  ],
+  }
+}
diff --git a/puppet/modules/sshd/manifests/base.pp b/puppet/modules/sshd/manifests/base.pp
new file mode 100644
index 00000000..dda9f26c
--- /dev/null
+++ b/puppet/modules/sshd/manifests/base.pp
@@ -0,0 +1,41 @@
+# The base class to setup the common things.
+# This is a private class and will always be used
+# throught the sshd class itself.
+class sshd::base {
+
+  $sshd_config_content = $::operatingsystem ? {
+    'CentOS'  => template("sshd/sshd_config/${::operatingsystem}_${::operatingsystemmajrelease}.erb"),
+    default   => $::lsbdistcodename ? {
+      ''      => template("sshd/sshd_config/${::operatingsystem}.erb"),
+      default => template("sshd/sshd_config/${::operatingsystem}_${::lsbdistcodename}.erb")
+    }
+  }
+
+  file { 'sshd_config':
+    ensure  => present,
+    path    => '/etc/ssh/sshd_config',
+    content => $sshd_config_content,
+    notify  => Service[sshd],
+    owner   => root,
+    group   => 0,
+    mode    => '0600';
+  }
+
+  # Now add the key, if we've got one
+  case $::sshrsakey {
+    '': { info("no sshrsakey on ${::fqdn}") }
+    default: {
+      # only export sshkey when storedconfigs is enabled
+      if $::sshd::use_storedconfigs {
+        include ::sshd::sshkey
+      }
+    }
+  }
+  service{'sshd':
+    ensure    => running,
+    name      => 'sshd',
+    enable    => true,
+    hasstatus => true,
+    require   => File[sshd_config],
+  }
+}
diff --git a/puppet/modules/sshd/manifests/client.pp b/puppet/modules/sshd/manifests/client.pp
new file mode 100644
index 00000000..84dd7abc
--- /dev/null
+++ b/puppet/modules/sshd/manifests/client.pp
@@ -0,0 +1,22 @@
+# manifests/client.pp
+
+class sshd::client(
+  $shared_ip = 'no',
+  $ensure_version = 'installed',
+  $manage_shorewall = false
+) {
+
+  case $::operatingsystem {
+    debian,ubuntu: { include sshd::client::debian }
+    default: {
+      case $::kernel {
+        linux: { include sshd::client::linux }
+        default: { include sshd::client::base }
+      }
+    }
+  }
+
+  if $manage_shorewall{
+    include shorewall::rules::out::ssh
+  }
+}
diff --git a/puppet/modules/sshd/manifests/client/base.pp b/puppet/modules/sshd/manifests/client/base.pp
new file mode 100644
index 00000000..4925c2d0
--- /dev/null
+++ b/puppet/modules/sshd/manifests/client/base.pp
@@ -0,0 +1,15 @@
+class sshd::client::base {
+  # this is needed because the gid might have changed
+  file { '/etc/ssh/ssh_known_hosts':
+    ensure => present,
+    mode   => '0644',
+    owner  => root,
+    group  => 0;
+  }
+
+  # Now collect all server keys
+  case $sshd::client::shared_ip {
+    no:  { Sshkey <<||>> }
+    yes: { Sshkey <<| tag == fqdn |>> }
+  }
+}
diff --git a/puppet/modules/sshd/manifests/client/debian.pp b/puppet/modules/sshd/manifests/client/debian.pp
new file mode 100644
index 00000000..2aaf3fb1
--- /dev/null
+++ b/puppet/modules/sshd/manifests/client/debian.pp
@@ -0,0 +1,5 @@
+class sshd::client::debian inherits sshd::client::linux {
+  Package['openssh-clients']{
+    name => 'openssh-client',
+  }
+}
diff --git a/puppet/modules/sshd/manifests/client/linux.pp b/puppet/modules/sshd/manifests/client/linux.pp
new file mode 100644
index 00000000..0c420be2
--- /dev/null
+++ b/puppet/modules/sshd/manifests/client/linux.pp
@@ -0,0 +1,5 @@
+class sshd::client::linux inherits sshd::client::base {
+  package {'openssh-clients':
+    ensure => $sshd::client::ensure_version,
+  }
+}
diff --git a/puppet/modules/sshd/manifests/debian.pp b/puppet/modules/sshd/manifests/debian.pp
new file mode 100644
index 00000000..d827078a
--- /dev/null
+++ b/puppet/modules/sshd/manifests/debian.pp
@@ -0,0 +1,13 @@
+class sshd::debian inherits sshd::linux {
+
+  Package[openssh]{
+    name => 'openssh-server',
+  }
+
+  Service[sshd]{
+    name       => 'ssh',
+    pattern    => 'sshd',
+    hasstatus  => true,
+    hasrestart => true,
+  }
+}
diff --git a/puppet/modules/sshd/manifests/gentoo.pp b/puppet/modules/sshd/manifests/gentoo.pp
new file mode 100644
index 00000000..631f3d19
--- /dev/null
+++ b/puppet/modules/sshd/manifests/gentoo.pp
@@ -0,0 +1,5 @@
+class sshd::gentoo inherits sshd::linux {
+  Package[openssh]{
+    category => 'net-misc',
+  }
+}
diff --git a/puppet/modules/sshd/manifests/init.pp b/puppet/modules/sshd/manifests/init.pp
new file mode 100644
index 00000000..b4157418
--- /dev/null
+++ b/puppet/modules/sshd/manifests/init.pp
@@ -0,0 +1,92 @@
+# manage an sshd installation
+class sshd(
+  $manage_nagios = false,
+  $nagios_check_ssh_hostname = 'absent',
+  $ports = [ 22 ],
+  $shared_ip = 'no',
+  $ensure_version = 'installed',
+  $listen_address = [ '0.0.0.0', '::' ],
+  $allowed_users = '',
+  $allowed_groups = '',
+  $use_pam = 'no',
+  $permit_root_login = 'without-password',
+  $password_authentication = 'no',
+  $kerberos_authentication = 'no',
+  $kerberos_orlocalpasswd = 'yes',
+  $kerberos_ticketcleanup = 'yes',
+  $gssapi_authentication = 'no',
+  $gssapi_cleanupcredentials = 'yes',
+  $tcp_forwarding = 'no',
+  $x11_forwarding = 'no',
+  $agent_forwarding = 'no',
+  $challenge_response_authentication = 'no',
+  $pubkey_authentication = 'yes',
+  $rsa_authentication = 'no',
+  $strict_modes = 'yes',
+  $ignore_rhosts = 'yes',
+  $rhosts_rsa_authentication = 'no',
+  $hostbased_authentication = 'no',
+  $permit_empty_passwords = 'no',
+  $authorized_keys_file = $::osfamily ? {
+    Debian => $::lsbmajdistrelease ? {
+      6       => '%h/.ssh/authorized_keys',
+      default => '%h/.ssh/authorized_keys %h/.ssh/authorized_keys2',
+    },
+    RedHat => $::operatingsystemmajrelease ? {
+      5       => '%h/.ssh/authorized_keys',
+      6       => '%h/.ssh/authorized_keys',
+      default => '%h/.ssh/authorized_keys %h/.ssh/authorized_keys2',
+    },
+    OpenBSD => '%h/.ssh/authorized_keys',
+    default => '%h/.ssh/authorized_keys %h/.ssh/authorized_keys2',
+  },
+  $hardened = 'no',
+  $sftp_subsystem = '',
+  $head_additional_options = '',
+  $tail_additional_options = '',
+  $print_motd = 'yes',
+  $manage_shorewall = false,
+  $shorewall_source = 'net',
+  $sshkey_ipaddress = $::ipaddress,
+  $manage_client = true,
+  $hostkey_type = versioncmp($::ssh_version, '6.5') ? {
+    /(^1|0)/ => [ 'rsa', 'ed25519' ],
+    /-1/    => [ 'rsa', 'dsa' ]
+  },
+  $use_storedconfigs = true
+) {
+
+  validate_bool($manage_shorewall)
+  validate_bool($manage_client)
+  validate_array($listen_address)
+  validate_array($ports)
+
+  if $manage_client {
+    class{'sshd::client':
+      shared_ip        => $shared_ip,
+      ensure_version   => $ensure_version,
+      manage_shorewall => $manage_shorewall,
+    }
+  }
+
+  case $::operatingsystem {
+    gentoo: { include sshd::gentoo }
+    redhat,centos: { include sshd::redhat }
+    openbsd: { include sshd::openbsd }
+    debian,ubuntu: { include sshd::debian }
+    default: { include sshd::base }
+  }
+
+  if $manage_nagios {
+    sshd::nagios{$ports:
+      check_hostname => $nagios_check_ssh_hostname
+    }
+  }
+
+  if $manage_shorewall {
+    class{'shorewall::rules::ssh':
+      ports  => $ports,
+      source => $shorewall_source
+    }
+  }
+}
diff --git a/puppet/modules/sshd/manifests/libssh2.pp b/puppet/modules/sshd/manifests/libssh2.pp
new file mode 100644
index 00000000..403ac7be
--- /dev/null
+++ b/puppet/modules/sshd/manifests/libssh2.pp
@@ -0,0 +1,7 @@
+# manifests/libssh2.pp
+
+class sshd::libssh2 {
+  package{'libssh2':
+    ensure => present,
+  }
+}
diff --git a/puppet/modules/sshd/manifests/libssh2/devel.pp b/puppet/modules/sshd/manifests/libssh2/devel.pp
new file mode 100644
index 00000000..261e34c8
--- /dev/null
+++ b/puppet/modules/sshd/manifests/libssh2/devel.pp
@@ -0,0 +1,7 @@
+# manifests/libssh2/devel.pp
+
+class sshd::libssh2::devel inherits sshd::libssh2 {
+  package{"libssh2-devel.${::architecture}":
+    ensure => installed,
+  }
+}
diff --git a/puppet/modules/sshd/manifests/linux.pp b/puppet/modules/sshd/manifests/linux.pp
new file mode 100644
index 00000000..8628ff5e
--- /dev/null
+++ b/puppet/modules/sshd/manifests/linux.pp
@@ -0,0 +1,8 @@
+class sshd::linux inherits sshd::base {
+  package{'openssh':
+    ensure => $sshd::ensure_version,
+  }
+  File[sshd_config]{
+    require +> Package[openssh],
+  }
+}
diff --git a/puppet/modules/sshd/manifests/nagios.pp b/puppet/modules/sshd/manifests/nagios.pp
new file mode 100644
index 00000000..6921de91
--- /dev/null
+++ b/puppet/modules/sshd/manifests/nagios.pp
@@ -0,0 +1,24 @@
+define sshd::nagios(
+  $port = 'absent',
+  $ensure = 'present',
+  $check_hostname = 'absent'
+) {
+  $real_port = $port ? {
+    'absent' => $name,
+    default  => $port,
+  }
+  case $check_hostname {
+    'absent': {
+      nagios::service{"ssh_port_${name}":
+        ensure        => $ensure,
+        check_command => "check_ssh_port!${real_port}"
+      }
+    }
+    default: {
+      nagios::service{"ssh_port_host_${name}":
+        ensure        => $ensure,
+        check_command => "check_ssh_port_host!${real_port}!${check_hostname}"
+      }
+    }
+  }
+}
diff --git a/puppet/modules/sshd/manifests/openbsd.pp b/puppet/modules/sshd/manifests/openbsd.pp
new file mode 100644
index 00000000..cb6dbba6
--- /dev/null
+++ b/puppet/modules/sshd/manifests/openbsd.pp
@@ -0,0 +1,8 @@
+class sshd::openbsd inherits sshd::base {
+  Service[sshd]{
+    restart => '/bin/kill -HUP `/bin/cat /var/run/sshd.pid`',
+    stop    => '/bin/kill `/bin/cat /var/run/sshd.pid`',
+    start   => '/usr/sbin/sshd',
+    status  => '/usr/bin/pgrep -f /usr/sbin/sshd',
+  }
+}
diff --git a/puppet/modules/sshd/manifests/redhat.pp b/puppet/modules/sshd/manifests/redhat.pp
new file mode 100644
index 00000000..d7201774
--- /dev/null
+++ b/puppet/modules/sshd/manifests/redhat.pp
@@ -0,0 +1,5 @@
+class sshd::redhat inherits sshd::linux {
+    Package[openssh]{
+        name => 'openssh-server',
+    }
+}
diff --git a/puppet/modules/sshd/manifests/ssh_authorized_key.pp b/puppet/modules/sshd/manifests/ssh_authorized_key.pp
new file mode 100644
index 00000000..80cb3b70
--- /dev/null
+++ b/puppet/modules/sshd/manifests/ssh_authorized_key.pp
@@ -0,0 +1,85 @@
+# wrapper to have some defaults.
+define sshd::ssh_authorized_key(
+    $ensure = 'present',
+    $type = 'ssh-dss',
+    $key = 'absent',
+    $user = '',
+    $target = undef,
+    $options = 'absent',
+    $override_builtin = undef
+){
+
+  if ($ensure=='present') and ($key=='absent') {
+    fail("You have to set \$key for Sshd::Ssh_authorized_key[${name}]!")
+  }
+
+  $real_user = $user ? {
+    false   => $name,
+    ''      => $name,
+    default => $user,
+  }
+
+  case $target {
+    undef,'': {
+      case $real_user {
+        'root': { $real_target = '/root/.ssh/authorized_keys' }
+        default: { $real_target = "/home/${real_user}/.ssh/authorized_keys" }
+      }
+    }
+    default: {
+      $real_target = $target
+    }
+  }
+
+  # The ssh_authorized_key built-in function (in 2.7.23 at least)
+  # will not write an authorized_keys file for a mortal user to
+  # a directory they don't have write permission to, puppet attempts to
+  # create the file as the user specified with the user parameter and fails.
+  # Since ssh will refuse to use authorized_keys files not owned by the
+  # user, or in files/directories that allow other users to write, this
+  # behavior is deliberate in order to prevent typical non-working
+  # configurations. However, it also prevents the case of puppet, running
+  # as root, writing a file owned by a mortal user to a common
+  # authorized_keys directory such as one might specify in sshd_config with
+  # something like
+  #  'AuthorizedKeysFile /etc/ssh/authorized_keys/%u'
+  # So we provide a way to override the built-in and instead just install
+  # via a file resource. There is no additional security risk here, it's
+  # nothing a user can't already do by writing their own file resources,
+  # we still depend on the filesystem permissions to keep things safe.
+  if $override_builtin {
+    $header = "# HEADER: This file is managed by Puppet.\n"
+
+    if $options == 'absent' {
+      info("not setting any option for ssh_authorized_key: ${name}")
+      $content = "${header}${type} ${key}\n"
+    } else {
+      $content = "${header}${options} ${type} ${key}\n"
+    }
+
+    file { $real_target:
+      ensure  => $ensure,
+      content => $content,
+      owner   => $real_user,
+      mode    => '0600',
+    }
+
+  } else {
+
+    if $options == 'absent' {
+      info("not setting any option for ssh_authorized_key: ${name}")
+    } else {
+      $real_options = $options
+    }
+
+    ssh_authorized_key{$name:
+      ensure  => $ensure,
+      type    => $type,
+      key     => $key,
+      user    => $real_user,
+      target  => $real_target,
+      options => $real_options,
+    }
+  }
+
+}
diff --git a/puppet/modules/sshd/manifests/sshkey.pp b/puppet/modules/sshd/manifests/sshkey.pp
new file mode 100644
index 00000000..df37a66c
--- /dev/null
+++ b/puppet/modules/sshd/manifests/sshkey.pp
@@ -0,0 +1,21 @@
+# deploys the
+class sshd::sshkey {
+
+  @@sshkey{$::fqdn:
+    ensure => present,
+    tag    => 'fqdn',
+    type   => 'ssh-rsa',
+    key    => $::sshrsakey,
+  }
+
+  # In case the node has uses a shared network address,
+  # we don't define a sshkey resource using an IP address
+  if $sshd::shared_ip == 'no' {
+    @@sshkey{$::sshd::sshkey_ipaddress:
+      ensure => present,
+      tag    => 'ipaddress',
+      type   => 'ssh-rsa',
+      key    => $::sshrsakey,
+    }
+  }
+}