beremiz

Fix crash in runtime if PSK secret is missing

2019-03-13, Andrey Skvortsov
a3ec35ee94e7
Fix crash in runtime if PSK secret is missing

./Beremiz_service.py -s $PWD/psk2.txt -n beremiz /tmp/beremiz
Beremiz_service: 1.2-1378c18402c3+

Traceback (most recent call last):
File "./Beremiz_service.py", line 511, in
ensurePSK(servicename, PSKpath)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/Stunnel.py", line 32, in ensurePSK
PSKgen(ID, PSKpath)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/Stunnel.py", line 23, in PSKgen
call(restart_stunnel_cmdline)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/spawn_subprocess.py", line 116, in call
pid = posix_spawn.posix_spawnp(cmd[0], cmd)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 120, in posix_spawnp
return _posix_spawn(lib.posix_spawnp, *args, **kwargs)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 111, in _posix_spawn
_check_error(res, path)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 10, in _check_error
raise OSError(errno, os.strerror(errno), path)
OSError: [Errno 2] No such file or directory: '/etc/init.d/S50stunnel'
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# See COPYING file for copyrights details.
from __future__ import absolute_import
from itertools import repeat, islice, chain
from connectors.SchemeEditor import SchemeEditor
model = [('host', _("Host:")),
('port', _("Port:"))]
# (scheme, model, secure)
models = [("LOCAL", [], False), ("PYRO", model, False), ("PYROS", model, True)]
Schemes = list(zip(*models)[0])
_PerSchemeConf = {sch: (mod, sec) for sch, mod, sec in models}
class PYRO_dialog(SchemeEditor):
def __init__(self, scheme, *args, **kwargs):
# ID selector is enabled only on PYROS (secure)
self.model, self.EnableIDSelector = _PerSchemeConf[scheme]
SchemeEditor.__init__(self, scheme, *args, **kwargs)
# pylint: disable=unused-variable
def SetLoc(self, loc):
hostport, ID = list(islice(chain(loc.split("#"), repeat("")), 2))
host, port = list(islice(chain(hostport.split(":"), repeat("")), 2))
self.SetFields(locals())
def GetLoc(self):
if self.model:
fields = self.GetFields()
template = "{host}"
if fields['port']:
template += ":{port}"
if fields['ID']:
template += "#{ID}"
return template.format(**fields)
return ''