ssh: New application to manage SSH server

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

actions/ssh

@@ -28,12 +28,16 @@ import stat
 import subprocess
 import sys
 
+from plinth import action_utils
+
 
 def parse_arguments():
     """Return parsed command line arguments as dictionary."""
     parser = argparse.ArgumentParser()
     subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')
 
+    subparsers.add_parser('setup', help='Setup SSH server')
+
     get_keys = subparsers.add_parser('get-keys',
                                      help='Get SSH authorized keys')
     get_keys.add_argument('--username')
@@ -47,6 +51,11 @@ def parse_arguments():
     return parser.parse_args()
 
 
+def subcommand_setup(arguments):
+    """Setup Open SSH server."""
+    action_utils.dpkg_reconfigure('openssh-server', {})
+
+
 def get_user_homedir(username):
     """Return the home dir of a user by looking up in password database."""
     try:

data/etc/plinth/modules-enabled/ssh

@@ -0,0 +1 @@
+plinth.modules.ssh

plinth/modules/ssh/__init__.py

@@ -0,0 +1,66 @@
+#
+# This file is part of Plinth.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+"""
+Plinth module for OpenSSH server.
+"""
+
+from django.utils.translation import ugettext_lazy as _
+
+from plinth import actions
+from plinth import service as service_module
+from plinth.menu import main_menu
+from plinth.views import ServiceView
+
+version = 1
+
+is_essential = True
+
+managed_services = ['ssh']
+
+managed_packages = ['openssh-server']
+
+name = _('Secure Shell (SSH) Server')
+
+description = [
+    _('A Secure Shell server uses the secure shell protocol to accept '
+      'connections from remote computers. An authorized remote computer '
+      'can perform administration tasks, copy files or run other services '
+      'using such connections.')
+]
+
+service = None
+
+
+def init():
+    """Intialize the ssh module."""
+    menu = main_menu.get('system')
+    menu.add_urlname(name, 'glyphicon-console', 'ssh:index')
+
+    global service
+    service = service_module.Service(
+        managed_services[0], name, ports=['ssh'], is_external=True)
+
+
+def setup(helper, old_version=False):
+    """Configure the module."""
+    actions.superuser_run('ssh', ['setup'])
+
+
+class SshServiceView(ServiceView):
+    service_id = managed_services[0]
+    description = description

plinth/modules/ssh/urls.py

@@ -0,0 +1,29 @@
+#
+# This file is part of Plinth.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+"""
+URLs for the Secure Shell Server module.
+"""
+
+from django.conf.urls import url
+
+from plinth.modules.ssh import SshServiceView
+
+
+urlpatterns = [
+    url(r'^sys/ssh/$', SshServiceView.as_view(), name='index'),
+]

plinth/service.py

@@ -113,13 +113,10 @@ class Service(object):
 
 def init():
     """Register some misc. services that don't fit elsewhere."""
-
     Service('http', _('Web Server'), ports=['http'], is_external=True,
             is_enabled=True)
     Service('https', _('Web Server over Secure Socket Layer'), ports=['https'],
             is_external=True, is_enabled=True)
-    Service('ssh', _('Secure Shell (SSH) Server'), ports=['ssh'],
-            is_external=True, is_enabled=True)
     Service('plinth', format_lazy(_('{box_name} Web Interface (Plinth)'),
                                   box_name=_(cfg.box_name)),
             ports=['https'], is_external=True, is_enabled=True)