def _check_memory(self, num_running_commands):
rss = mem_clean('periodic memory clean')
if not num_running_commands and rss > _CHECK_RAM_MAX_RSS_MB:
log.critical("Max allowed RSS memory exceeded: %s MB, exiting."
% _CHECK_RAM_MAX_RSS_MB)
reactor.stop()
del rss
def _processCommand(self, message):
log.debug('Process Command')
if self.public_key:
if not self._verify_message(message):
log.critical('[RSA CHECK: Failed] Command from %s has bad signature (Ignored)' % message.from_)
result = (_E_UNVERIFIED_COMMAND, '', 'Bad signature', 0)
self._onCallFinished(result, message)
return
else:
# No public key, RSA functions are not available on this system
log.warn('[RSA CHECK: No available] WARNING: Running unverified Command from %s' % message.from_)
flush_callback = self._Flush
message.command_replaced = message.command.replace('.', '_')
d = self.command_runner.run_command(message.command_replaced, message.command_args, flush_callback, message)
if d:
d.addCallbacks(self._onCallFinished, self._onCallFailed,
callbackKeywords={'message': message},
errbackKeywords={'message': message},
)
return d
else:
log.info("Command Ignored: Unknown command: %s" % message.command)
result = (_E_RUNNING_COMMAND, '', "Unknown command: %s" % message.command, 0)
self._onCallFinished(result, message)
return
def _check_memory(self, running_commands):
rss, vms = mem_usage()
log.info("Running commands: %i" % running_commands)
log.info("Current Memory usage: rss=%sMB | vms=%sMB" % (rss, vms))
if not running_commands and rss > _CHECK_RAM_MAX_RSS_MB:
log.critical("Max allowed RSS memory exceeded: %s MB, exiting."
% _CHECK_RAM_MAX_RSS_MB)
reactor.stop()
def signature(self, message):
if self.public_key:
if not self._verify_message(message):
log.critical('[RSA CHECK: Failed] Command from %s has bad signature (Ignored)' % message.from_)
del message
return False
del message
return True
def _read_pub_key(self):
log.debug('Reading public certificate')
public_key = None
try:
cert_file = os.path.join(os.path.dirname(__file__), _CERTIFICATE_FILE)
if os.path.isfile(cert_file):
f = open(cert_file, 'r')
public_key = f.read()
f.close()
except:
log.critical("Unable to read certificate file")
return public_key
def _on_config_failed(self, failure):
log.critical("Configuration check failed with: %s, exiting." % failure)
log.critical("Please try configuring the XMPP subsystem manually.")
reactor.stop()