def scan(self, message):
message = base64.b64decode(message)
self.logger.debug('received message\n %s' % message)
response = "not processed"
# test for clam daemon
if pyclamd.ping():
# message contains directory
if os.path.isdir(message):
self.logger.debug('received directory\n %s' % message)
path = message
# scan files inside directory
dirList = os.listdir(path)
for fname in dirList:
self.logger.debug('contains file %s \n' % path + os.sep +
fname)
if os.path.isfile(path + os.sep + fname):
self.logger.debug('scanning file %s \n' % fname)
# call pyclamd with absolute path of file
response = path + os.sep + fname + "," + str(
pyclamd.scan_file(path + os.sep + fname))
# message contains single file
if os.path.isfile(message):
self.logger.debug('received file\n %s' % message)
fname = message
# call pyclamd with absolute path of file
response = fname + "," + str(pyclamd.scan_file(fname))
return response
def scan(self, message):
message=base64.b64decode(message)
self.logger.debug('received message\n %s'% message)
response = "not processed"
# test for clam daemon
if pyclamd.ping():
# message contains directory
if os.path.isdir(message):
self.logger.debug('received directory\n %s'% message)
path=message
# scan files inside directory
dirList=os.listdir(path)
for fname in dirList:
self.logger.debug('contains file %s \n'% path+os.sep+fname)
if os.path.isfile(path+os.sep+fname):
self.logger.debug('scanning file %s \n'% fname)
# call pyclamd with absolute path of file
response = path+os.sep+fname+","+str(pyclamd.scan_file(path+os.sep+fname))
# message contains single file
if os.path.isfile(message):
self.logger.debug('received file\n %s'% message)
fname=message
# call pyclamd with absolute path of file
response = fname+","+str(pyclamd.scan_file(fname))
return response
def scan_file(self, fname):
result = False
if self.result:
try:
pyclamd.scan_file(fname)
result = True
except pyclamd.ScanError:
raise
return result
def clean(self, data, initial=None):
f = super(yatsFileField, self).clean(initial or data)
if f is None:
return None
elif not data and initial:
return initial
if settings.FILE_UPLOAD_VIRUS_SCAN:
# virus scan
try:
pyclamd.init_network_socket('localhost', 3310)
# We need to get a file object for clamav. We might have a path or we might
# have to read the data into memory.
if hasattr(data, 'temporary_file_path'):
chmod(data.temporary_file_path(), 0664)
result = pyclamd.scan_file(data.temporary_file_path())
else:
if hasattr(data, 'read'):
result = pyclamd.scan_stream(data.read())
else:
result = pyclamd.scan_stream(data['content'])
except:
from socket import gethostname
raise ValidationError(
self.error_messages['virus_engine_error'] % gethostname())
if result:
raise ValidationError(self.error_messages['virus_found'] %
result[result.keys()[0]])
return f
def clean(self, data, initial=None):
f = super(yatsFileField, self).clean(initial or data)
if f is None:
return None
elif not data and initial:
return initial
if settings.FILE_UPLOAD_VIRUS_SCAN:
# virus scan
try:
pyclamd.init_network_socket('localhost', 3310)
# We need to get a file object for clamav. We might have a path or we might
# have to read the data into memory.
if hasattr(data, 'temporary_file_path'):
chmod(data.temporary_file_path(), 0664)
result = pyclamd.scan_file(data.temporary_file_path())
else:
if hasattr(data, 'read'):
result = pyclamd.scan_stream(data.read())
else:
result = pyclamd.scan_stream(data['content'])
except:
from socket import gethostname
raise ValidationError(self.error_messages['virus_engine_error'] % gethostname())
if result:
raise ValidationError(self.error_messages['virus_found'] % result[result.keys()[0]])
return f
def _do_virus(self):
# 进行病毒邮件检测
try:
pyclamd.init_unix_socket(clamav_sock)
res = pyclamd.scan_file(self.mail_path)
except Exception, err:
outerror(u'virus check error :{}'.format(self.task_info))
outerror(traceback.format_exc())
return False
def scan_file(self, fqfn_in, action="alert"):
"""
Description: scan file
Return Value: results (dict)
"""
# initialize scan results
scan_results = {}
scan_time = 0
try:
# logging
msg = "Scanning [%s]" % (fqfn_in)
self._mylog.log_this(msg, "info")
_start_scan = time.time() # current time in seconds
pyclamd.init_network_socket(
self._myconfig.config["scan_this"]["clamd_host"], self._myconfig.config["scan_this"]["clamd_port"]
)
scan_results = pyclamd.scan_file(fqfn_in)
if action in self._actions.keys():
if scan_results is not None:
self._actions[action](fqfn_in)
else:
# logging
msg = "Action [%s] is not supported." % (action)
self._mylog.log_this(msg, "critical")
_stop_scan = time.time() # current time in seconds
# elapsed time
_scan_time = int(_stop_scan - _start_scan)
return True, scan_results, convert_seconds(_scan_time)
except Exception, err:
self._mylog.log_traceback(traceback.extract_tb(sys.exc_info()[2]), str(err), "critical")
# logging
msg = "Failed to run scan using clamd on [%s] port [%s]." % (
self._myconfig.config["scan_this"]["clamd_host"],
self._myconfig.config["scan_this"]["clamd_port"],
)
self._mylog.log_this(msg, "critical")
sys.exit()
return False, scan_results, convert_seconds(_scan_time)
def check_for_virus(data):
# Writing data to a file for scanning
path = '/tmp/file_to_scan.txt'
file_to_scan = open(path, 'w+')
file_to_scan.write(str(data))
file_to_scan.close()
# Initialize pyclamd socket
pyclamd.init_unix_socket('/tmp/clamd.socket')
# Scanning file
virus_found = pyclamd.scan_file(path)
# Remove the file that was to scan
os.remove(path)
return virus_found
def check_for_virus(data):
# Writing data to a file for scanning
path = '/tmp/file_to_scan.txt'
file_to_scan = open(path, 'w+')
file_to_scan.write(str(data))
file_to_scan.close()
# Initialize pyclamd socket
pyclamd.init_unix_socket('/tmp/clamd.socket')
# Scanning file
virus_found = pyclamd.scan_file(path)
# Remove the file that was to scan
os.remove(path)
return virus_found
def scan_input():
try:
(tmp_file, tmp_file_name) = tempfile.mkstemp()
os.fchmod(tmp_file, 0644)
copy_file(0, tmp_file)
os.close(0)
except OSError as e:
syslog.syslog('Temporary file creation failed: \'%s\'\n' % str(e))
return (None, None, None)
try:
pyclamd.init_unix_socket()
found_virus = pyclamd.scan_file(tmp_file_name)
except pyclamd.ScanError as e:
syslog.syslog('Virus scan failed: \'%s\'\n' % str(e))
return (None, None, None)
return (tmp_file, tmp_file_name, found_virus)
def scan_input():
try:
(tmp_file, tmp_file_name) = tempfile.mkstemp()
os.fchmod(tmp_file, 0644)
copy_file(0, tmp_file)
os.close(0)
except OSError as e:
syslog.syslog('Temporary file creation failed: \'%s\'\n' % str(e))
return (None, None, None)
try:
pyclamd.init_unix_socket()
found_virus = pyclamd.scan_file(tmp_file_name)
except pyclamd.ScanError as e:
syslog.syslog('Virus scan failed: \'%s\'\n' % str(e))
return (None, None, None)
return (tmp_file, tmp_file_name, found_virus)
def av_scan_s3(tmpdir, bucket_name):
av=[]
t = Terminal()
path=os.path.join(tmpdir, bucket_name)
for subdir, dirs, files in os.walk(path):
for file in files:
subdir_path= os.path.join(path, subdir)
file_path= os.path.join(subdir_path, file)
av.append(pyclamd.scan_file(file_path))
av=[x for x in av if x is not None]
for n in range(len(av)):
index_number= n
if str(file_path) in av[n]:
file= file_path
virus= list(av[n][str(file_path)])
virus.remove("FOUND")
virus=str(virus)[2:-2]
print t.red('Critical !')+ " I found "+virus+ " in the infected file "+file
def scan_one(self, path):
try:
tmp = pyclamd.scan_file(path)
if tmp: self.results.update(tmp)
except:
pass
def scan_one(self, path):
try:
tmp = pyclamd.scan_file(path)
if tmp: self.results.update(tmp)
except:
pass
def scan_file(self, filepath):
found = pyclamd.scan_file(filepath)
virus = found and '\n'.join(found.values()) or ''
return found, virus
