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services: handle /var/run/qubes/'SERVICE NAME' for dom0

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Frédéric Pierret (fepitre) 2020-02-16 18:53:42 +01:00
parent 6f2f57caea
commit d0a8b49cc9
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1 changed files with 19 additions and 0 deletions
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19
qubes/ext/services.py
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@ -20,6 +20,7 @@
"""Extension responsible for qvm-service framework"""
import os
import qubes.ext
@ -72,6 +73,10 @@ class ServicesExtension(qubes.ext.Extension):
vm.untrusted_qdb.write('/qubes-service/{}'.format(service),
str(int(bool(value))))
if vm.name == "dom0" and str(int(bool(value))) == "1" and not \
os.path.exists('/var/run/qubes-service/{}'.format(service)):
os.mknod('/var/run/qubes-service/{}'.format(service))
@qubes.ext.handler('domain-feature-delete:*')
def on_domain_feature_delete(self, vm, event, feature):
"""Update /qubes-service/ QubesDB tree in runtime"""
@ -86,6 +91,10 @@ class ServicesExtension(qubes.ext.Extension):
return
vm.untrusted_qdb.rm('/qubes-service/{}'.format(service))
if vm.name == "dom0" and os.path.exists(
'/var/run/qubes-service/{}'.format(service)):
os.remove('/var/run/qubes-service/{}'.format(service))
@qubes.ext.handler('domain-load')
def on_domain_load(self, vm, event):
"""Migrate meminfo-writer service into maxmem"""
@ -97,6 +106,16 @@ class ServicesExtension(qubes.ext.Extension):
vm.maxmem = 0
del vm.features['service.meminfo-writer']
if vm.name == "dom0":
os.makedirs('/var/run/qubes-service/', exist_ok=True)
for feature, value in vm.features.items():
if not feature.startswith('service.'):
continue
service = feature[len('service.'):]
if str(int(bool(value))) == "1" and not os.path.exists(
'/var/run/qubes-service/{}'.format(service)):
os.mknod('/var/run/qubes-service/{}'.format(service))
@qubes.ext.handler('features-request')
def supported_services(self, vm, event, untrusted_features):
"""Handle advertisement of supported services"""