Try to restart stunnels when certs change

[mirror/dsa-puppet.git] / modules / stunnel4 / manifests / init.pp

diff --git a/modules/stunnel4/manifests/init.pp b/modules/stunnel4/manifests/init.pp
index 58d0891..5aeb648 100644 (file)
--- a/modules/stunnel4/manifests/init.pp
+++ b/modules/stunnel4/manifests/init.pp
@@ -1,11 +1,96 @@
 class stunnel4 {
+    define stunnel_generic($client, $verify, $cafile, $crlfile=false, $accept, $connect, $local=false) {
+        file {
+            "/etc/stunnel":
+                ensure  => directory,
+                owner   => root,
+                group   => root,
+                mode    => 755,
+                ;
+            "/etc/stunnel/puppet-${name}.conf":
+                content => template("stunnel4/stunnel.conf.erb"),
+                notify  => Exec["restart_stunnel_${name}"],
+                ;
+            "/etc/init.d/stunnel4":
+                source => "puppet:///modules/stunnel4/etc-init.d-stunnel4",
+                mode    => 555,
+            ;
+        }
+
+        case $client {
+                true: {
+                    $certfile = "/etc/ssl/debian/certs/thishost.crt"
+                    $keyfile = /etc/ssl/debian/keys/thishost.key
+                    }
+                default: {
+                    $certfile = /etc/exim4/ssl/thishost.crt
+                    $keyfile = /etc/exim4/ssl/thishost.key
+                    }
+        }
+
+        exec {
+            "restart_stunnel_${name}":
+                    command => "true && cd / && env -i /etc/init.d/stunnel4 restart puppet-${name}",
+                    require => [ File['/etc/stunnel/stunnel.conf'],
+                                 File['/etc/init.d/stunnel4'],
+                                 Exec['enable_stunnel4'],
+                                 Exec['kill_file_override'],
+                                 Package['stunnel4']
+                               ],
+                    subscribe => [ File[$certfile],
+                                   File[$keyfile]
+                                 ],
+                    refreshonly => true,
+                    ;
+        }
+    }
+
     # define an stunnel listener, listening for SSL connections on $accept,
     # connecting to plaintext service $connect using local source address $local
+    #
+    # unfortunately stunnel is really bad about verifying its peer,
+    # all we can be certain of is that they are signed by our CA,
+    # not who they are.  So do not use in places where the identity of
+    # the caller is important.  Use dsa-portforwarder for that.
     define stunnel_server($accept, $connect, $local = "127.0.0.1") {
+        stunnel_generic {
+            "${name}":
+                client => false,
+                verify => 2,
+                cafile => "/etc/exim4/ssl/ca.crt",
+                crlfile => "/etc/exim4/ssl/crl.crt",
+                accept => "${accept}",
+                connect => "${connect}",
+                ;
+        }
+        @ferm::rule {
+            "stunnel-${name}":
+                description => "stunnel ${name}",
+                rule => "&SERVICE_RANGE(tcp, ${accept}, \$HOST_DEBIAN_V4)",
+                ;
+            "stunnel-${name}-v6":
+                domain          => 'ip6',
+                description => "stunnel ${name}",
+                rule => "&SERVICE_RANGE(tcp, ${accept}, \$HOST_DEBIAN_V6)",
+                ;
+        }
+    }
+    define stunnel_client($accept, $connecthost, $connectport) {
         file {
-            "/etc/stunnel/puppet-${name}.conf":
-                content => template("stunnel4/server.conf.erb"),
-                notify  => Exec['restart_stunnel'],
+            "/etc/stunnel/puppet-${name}-peer.pem":
+                # source  => "puppet:///modules/exim/certs/${connecthost}.crt",
+                content => generate("/bin/cat", "/etc/puppet/modules/exim/files/certs/${connecthost}.crt",
+                                                "/etc/puppet/modules/exim/files/certs/ca.crt"),
+                notify  => Exec["restart_stunnel_${name}"],
+                ;
+        }
+        stunnel_generic {
+            "${name}":
+                client => true,
+                verify => 3,
+                cafile => "/etc/stunnel/puppet-${name}-peer.pem",
+                accept => "${accept}",
+                connect => "${connecthost}:${connectport}",
                 ;
         }
     }
@@ -18,6 +103,7 @@ class stunnel4 {
     file {
         "/etc/stunnel/stunnel.conf":
             ensure => absent,
+            require => [ Package['stunnel4'] ],
             ;
     }
 
@@ -27,9 +113,10 @@ class stunnel4 {
                 unless => "grep -q '^ENABLED=1' /etc/default/stunnel4",
                 require => [ Package['stunnel4'] ],
                 ;
-        "restart_stunnel":
-                command => "env -i /etc/init.d/stunnel4 restart",
-                require => [ File['/etc/stunnel/stunnel.conf'], Exec['enable_stunnel4'], Package['stunnel4'] ],
+        "kill_file_override":
+                command => "sed -i -e 's/^FILES=/#&/' /etc/default/stunnel4",
+                onlyif => "grep -q '^FILES=' /etc/default/stunnel4",
+                require => [ Package['stunnel4'] ],
                 ;
     }
 }