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'
/*
Template C code used to produce target Ethercat C code.
Copyright (C) 2011-2014: Laurent BESSARD, Edouard TISSERANT
Distributed under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
See COPYING file for copyrights details.
*/
#include "iec_types_all.h"
#define FREE 0
#define ACQUIRED 1
#define ANSWERED 2
long SDOLock = FREE;
extern long AtomicCompareExchange(long* atomicvar,long compared, long exchange);
int AcquireSDOLock() {
return AtomicCompareExchange(&SDOLock, FREE, ACQUIRED) == FREE;
}
void SDOAnswered() {
AtomicCompareExchange(&SDOLock, ACQUIRED, ANSWERED);
}
int HasAnswer() {
return SDOLock == ANSWERED;
}
void ReleaseSDOLock() {
AtomicCompareExchange(&SDOLock, ANSWERED, FREE);
}
int __init_etherlab_ext()
{
SDOLock = FREE;
return 0;
}
void __cleanup_etherlab_ext()
{
}
void __retrieve_etherlab_ext()
{
}
void __publish_etherlab_ext()
{
}