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avahi: Expose .local domain as a proper domain

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When a hostname is set or changed, expose <hostname>.local as a domain. With
this, daemons can configure themselves to work properly with .local domains.
Cockpit is an example of a daemon that can be configured to allow connections
from .local domains

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
This commit is contained in:
Sunil Mohan Adapa 2019-08-20 09:27:36 -07:00 committed by James Valleroy
parent 3ba7e961c4
commit 0c08248c12
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GPG Key ID: 77C0C75E7B650808
1 changed files with 25 additions and 1 deletions
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26
plinth/modules/avahi/__init__.py
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@ -24,11 +24,14 @@ from plinth import actions
from plinth import app as app_module
from plinth import cfg, menu
from plinth.daemon import Daemon
from plinth.modules.config import get_hostname
from plinth.modules.firewall.components import Firewall
from plinth.modules.names.components import DomainType
from plinth.signals import domain_added, domain_removed, post_hostname_change
from plinth.utils import format_lazy
from plinth.views import AppView
from .manifest import backup # noqa, pylint: disable=unused-import
from .manifest import backup # noqa, pylint: disable=unused-import
# pylint: disable=C0103
@ -70,6 +73,11 @@ class AvahiApp(app_module.App):
'avahi:index', parent_url_name='system')
self.add(menu_item)
domain_type = DomainType('domain-type-local',
_('Local Network Domain'), 'config:index',
can_have_certificate=False)
self.add(domain_type)
firewall = Firewall('firewall-avahi', name, ports=['mdns'],
is_external=False)
self.add(firewall)
@ -83,8 +91,13 @@ def init():
global app
app = AvahiApp()
if app.is_enabled():
domain_added.send_robust(
sender='avahi', domain_type='domain-type-local',
name=get_hostname() + '.local', services='__all__')
app.set_enabled(True)
post_hostname_change.connect(on_post_hostname_change)
def setup(helper, old_version=None):
"""Install and configure the module."""
@ -96,6 +109,17 @@ def setup(helper, old_version=None):
['reload', 'avahi-daemon'])
def on_post_hostname_change(sender, old_hostname, new_hostname, **kwargs):
"""Update .local domain after hostname change."""
del sender # Unused
del kwargs # Unused
domain_removed.send_robust(sender='avahi', domain_type='domain-type-local',
name=old_hostname + '.local')
domain_added.send_robust(sender='avahi', domain_type='domain-type-local',
name=new_hostname + '.local', services='__all__')
class AvahiAppView(AppView):
app_id = 'avahi'
name = name