def _send_control_message(data: bytes):
slot = win32file.CreateFile(_transport_control_slot(),
win32file.GENERIC_WRITE,
win32file.FILE_SHARE_READ,
None,
win32file.OPEN_EXISTING,
0,
None)
win32file.WriteFile(slot, data)
win32file.CloseHandle(slot)
def write(self, text, close=False):
"close - close pipe to emulate EOF"
win32pipe.ConnectNamedPipe(self.pipe, None)
text += self.lineterm
win32file.WriteFile(self.pipe, text.encode(self.encoding))
if close:
# http://comp.os.linux.questions.narkive.com/2AW9g5yn/sending-an-eof-to-a-named-pipe
self.close()
else:
win32pipe.DisconnectNamedPipe(self.pipe)
def close(self):
"""Closes the channel to the client."""
try:
# 2->TODO struct.pack|unpack in python < 2.7.7 does not allow unicode format string.
win32file.WriteFile(self.__pipe_handle,
compat.struct_pack_unicode("I", 0))
win32file.FlushFileBuffers(self.__pipe_handle)
finally:
win32pipe.DisconnectNamedPipe(self.__pipe_handle)
self.__pipe_handle = None
def write(self, message):
"""
Writes string data to the connected pipe.
"""
try:
data = str.encode(f"{message}")
win32file.WriteFile(self.handle, data)
return True
except:
return False
def _write(self, command):
""" Platform independent button write function.
"""
if platform.system() == "Windows":
try:
win32file.WriteFile(self.pipe, command.encode())
except pywintypes.error:
pass
else:
self.pipe.write(command)
def write(self, msg):
try:
if not self.__fifo:
self.open(mode='write')
print(f'Sending message {msg} to the client')
win32file.WriteFile(self.__fifo, msg)
print(f'Message sent successfully')
except Exception as exp:
print(exp)
finally:
self.close()
def write(self, s):
try:
win32file.WriteFile(self._hfile, s, self._write_ovrlpd)
return win32file.GetOverlappedResult(self._hfile,
self._write_ovrlpd,
True)
except:
logging.debug("Exception writing to VirtIO", exc_info=True)
# We do sleep here to avoid constant writes to spike the CPU
time.sleep(1)
return 0
def transmit(self, dataToTransmit):
# convert to string
dataToTransmit = ''.join([chr(b) for b in dataToTransmit])
# write over tuntap interface
win32file.WriteFile(self.tuntap, dataToTransmit, self.overlappedTx)
win32event.WaitForSingleObject(self.overlappedTx.hEvent,
win32event.INFINITE)
self.overlappedTx.Offset = self.overlappedTx.Offset + len(
dataToTransmit)
def write(self, data: bytes):
if self.__handler and self.__connected:
try:
(err,
bytes_written) = win32file.WriteFile(self.__handler, data)
if bytes_written > 0:
return True
except Exception:
self.close()
pass
return False
def SvcDoRun(self):
# We create our named pipe.
pipeName = "\\\\.\\pipe\\PyPipeService"
openMode = win32pipe.PIPE_ACCESS_DUPLEX | win32file.FILE_FLAG_OVERLAPPED
pipeMode = win32pipe.PIPE_TYPE_MESSAGE
# When running as a service, we must use special security for the pipe
sa = pywintypes.SECURITY_ATTRIBUTES()
# Say we do have a DACL, and it is empty
# (ie, allow full access!)
sa.SetSecurityDescriptorDacl(1, None, 0)
pipeHandle = win32pipe.CreateNamedPipe(
pipeName,
openMode,
pipeMode,
win32pipe.PIPE_UNLIMITED_INSTANCES,
0,
0,
6000, # default buffers, and 6 second timeout.
sa)
# Loop accepting and processing connections
while 1:
try:
hr = win32pipe.ConnectNamedPipe(pipeHandle, self.overlapped)
except error, details:
print "Error connecting pipe!", details
pipeHandle.Close()
break
if hr == winerror.ERROR_PIPE_CONNECTED:
# Client is fast, and already connected - signal event
win32event.SetEvent(self.overlapped.hEvent)
# Wait for either a connection, or a service stop request.
timeout = win32event.INFINITE
waitHandles = self.hWaitStop, self.overlapped.hEvent
rc = win32event.WaitForMultipleObjects(waitHandles, 0, timeout)
if rc == win32event.WAIT_OBJECT_0:
# Stop event
break
else:
# Pipe event - read the data, and write it back.
# (We only handle a max of 255 characters for this sample)
try:
hr, data = win32file.ReadFile(pipeHandle, 256)
win32file.WriteFile(pipeHandle, "You sent me:" + data)
# And disconnect from the client.
win32pipe.DisconnectNamedPipe(pipeHandle)
except win32file.error:
# Client disconnected without sending data
# or before reading the response.
# Thats OK - just get the next connection
continue
def _serverThread(self, pipe_handle, event, wait_time):
# just do one connection and terminate.
hr = win32pipe.ConnectNamedPipe(pipe_handle)
self.failUnless(hr in (0, winerror.ERROR_PIPE_CONNECTED),
"Got error code 0x%x" % (hr, ))
hr, got = win32file.ReadFile(pipe_handle, 100)
self.failUnless(got == "foo\0bar")
time.sleep(wait_time)
win32file.WriteFile(pipe_handle, "bar\0foo")
pipe_handle.Close()
event.set()
def write(self, s):
"""Output the given string over the serial port."""
if not self.hComPort: raise portNotOpenError
#print repr(s),
if s:
err, n = win32file.WriteFile(self.hComPort, s,
self._overlappedWrite)
if err: #will be ERROR_IO_PENDING:
# Wait for the write to complete.
win32event.WaitForSingleObject(self._overlappedWrite.hEvent,
win32event.INFINITE)
def _write_to_pipe(self, data):
"""
Writes data to the pipe.
:param data: data to write
"""
if sys.platform.startswith('win'):
win32file.WriteFile(self._pipe, data)
else:
self._pipe.sendall(data)
def Transmit(self, transmitData):
"""
This will be called to detect available IR Blasters.
"""
if not self.file:
return False
writeOvlap = win32file.OVERLAPPED()
writeOvlap.hEvent = win32event.CreateEvent(None, 0, 0, None)
win32file.WriteFile(self.file, transmitData, writeOvlap)
win32event.WaitForSingleObject(writeOvlap.hEvent, win32event.INFINITE)
return True
def write_named_pipe(name, value):
fileh = None
try:
fileh = win32file.CreateFile(r'\\.\pipe\{name}'.format(name=name),
win32file.GENERIC_WRITE, 0, None, win32file.OPEN_EXISTING, 0, None)
win32file.WriteFile(fileh, value)
except WinError:
pass
finally:
if fileh is not None:
win32api.CloseHandle(fileh)
def write(self, s):
"write string to serial port"
if not self.hComPort: raise portNotOpenError
#print repr(s),
overlapped = win32file.OVERLAPPED()
overlapped.hEvent = win32event.CreateEvent(None, 1, 0, None)
err, n = win32file.WriteFile(self.hComPort, s, overlapped)
if err: #will be ERROR_IO_PENDING:
# Wait for the write to complete.
win32event.WaitForSingleObject(overlapped.hEvent,
win32event.INFINITE)
def log(data):
""" Output string or binary to file and/or server. """
if type(data) == str:
data = data.encode(TARGET_ENCODING)
LOG_LOCK.acquire()
if FILE_LOG:
FILE_LOG.write(data)
if H_PIPE:
win32file.WriteFile(H_PIPE, data)
LOG_LOCK.release()
def _write_pipe(self, buf):
try:
# WINDOWS:
win32file.WriteFile(self._pipe, bytes(buf))
# UNIX:
#self._pipe.write(buf)
except OSError as e:
# SIGPIPE indicates the fifo was closed
if e.errno == errno.SIGPIPE:
return False
return True
def uploadToGD(lvl):
try:
handle = win32file.CreateFile(
'\\\\.\\pipe\\GDPipe',
win32file.GENERIC_READ | win32file.GENERIC_WRITE, 0, None,
win32file.OPEN_EXISTING, 0, None)
for blks in chunks(lvl.blocks, 30):
blocks = ';'.join([str(x) for x in blks]) + ';'
win32file.WriteFile(handle, blocks.encode())
except Exception as e:
print("theres an error lmao")
raise
def run(self, security_attributes):
"""
Handles the creation of the pipe.
Windows SACL and DACL data for creating the
pipe.
:type security_attributes: win32security.SECURITY_ATTRIBUTES instance
:return: None
:rtype: None
"""
import eg
eg.PrintDebugNotice('Named Pipe: Creating pipe {0}'.format(
self._pipe_id))
pipe = win32pipe.CreateNamedPipe(
r'\\.\pipe\eventghost', PIPE_ACCESS_DUPLEX,
PIPE_TYPE_MESSAGE | PIPE_WAIT | PIPE_READMODE_MESSAGE,
PIPE_UNLIMITED_INSTANCES, 4096, 4096, 5, security_attributes)
win32pipe.ConnectNamedPipe(pipe, None)
data = win32file.ReadFile(pipe, 4096)
self.is_waiting = False
if not self._parent.running_pipes[-1].is_waiting == self:
self._parent.running_pipes += [
Pipe(self._parent, self._parent.get_pipe_id(),
security_attributes)
]
eg.PrintDebugNotice('Pipe {0}: Data received'.format(self._pipe_id))
if data[0] == 0:
event = threading.Event()
res = ['']
self._parent.process_command.add(self._pipe_id, data[1], res,
event)
while not event.isSet():
pass
win32file.WriteFile(pipe, str(repr(res[0])))
win32pipe.DisconnectNamedPipe(pipe)
win32file.CloseHandle(pipe)
else:
try:
raise NamedPipeDataError('Pipe {0}: Unknown Error: {1}'.format(
self._pipe_id, str(data)))
except NamedPipeDataError:
traceback.print_exc()
self._parent.running_pipes.remove(self)
def _write(self, command):
""" Platform independent button write function.
"""
if self.verbose:
print("Controller {} is writing command {}".format(self.port, command))
if platform.system() == "Windows":
try:
win32file.WriteFile(self.pipe, command.encode())
except pywintypes.error:
pass
else:
self.pipe.write(command)
def outputPacket(packet):
ts_sec = int(time.time())
ts_usec = int((time.time() - ts_sec) * 1000000)
header = bytearray()
header.append((ts_sec >> 24) & 0xff) # timestamp seconds
header.append((ts_sec >> 16) & 0xff) # timestamp seconds
header.append((ts_sec >> 8) & 0xff) # timestamp seconds
header.append((ts_sec >> 0) & 0xff) # timestamp seconds
header.append((ts_usec >> 24) & 0xff) # timestamp microseconds
header.append((ts_usec >> 16) & 0xff) # timestamp microseconds
header.append((ts_usec >> 8) & 0xff) # timestamp microseconds
header.append((ts_usec >> 0) & 0xff) # timestamp microseconds
header.extend([0, 0, len(packet) >> 8, len(packet) & 0xff]) # nr of octets of packet saved
header.extend([0, 0, len(packet) >> 8, len(packet) & 0xff]) # actual length of packet
if outputIsFile:
output.write(header)
output.write(packet)
else:
win32file.WriteFile(output, header)
win32file.WriteFile(output, packet)
def func_write():
PIPE_NAME = r'\\.\pipe\test_pipe'
PIPE_BUFFER_SIZE = 1
named_pipe = win32pipe.CreateNamedPipe(PIPE_NAME,
win32pipe.PIPE_ACCESS_DUPLEX,
win32pipe.PIPE_TYPE_MESSAGE | win32pipe.PIPE_WAIT | win32pipe.PIPE_READMODE_MESSAGE,
win32pipe.PIPE_UNLIMITED_INSTANCES,
PIPE_BUFFER_SIZE,
PIPE_BUFFER_SIZE, 500, None)
win32pipe.ConnectNamedPipe(named_pipe, None)
while True:
win32file.WriteFile('1'.encode())
def pipe_server():
logging.info('pipe server start ...')
count = 0
pipe = win32pipe.CreateNamedPipe(
r'\\.\pipe\testpipe', # pipe name \\.\pipe\<pipename>
win32pipe.PIPE_ACCESS_DUPLEX, # open mode
win32pipe.PIPE_TYPE_MESSAGE | win32pipe.PIPE_READMODE_MESSAGE
| win32pipe.PIPE_WAIT, # pipe mode
1, # max Instance for the pipe
65536, # Out buffer size eg: 16bit
65536, # In buffer size eg: 16bit
0, # default time out
None) # Security attribute
try:
logging.info('Waiting response from client')
win32pipe.ConnectNamedPipe(pipe, None)
logging.info('Received respond from client ')
# while count < 10:
# # convert to bytes
# some_data = str(count).encode()
# logging.info(f'Generate data {some_data}')
# p = subprocess.Popen([sys.executable, 'print_input.py'],
# stdin=subprocess.PIPE,
# stdout=subprocess.PIPE,
# stderr=subprocess.PIPE)
# out, err = p.communicate(input=some_data)
# logging.info(f'writing message {out}')
# win32file.WriteFile( # return error code
# pipe, # filehandle
# out) # string
# time.sleep(1)
# count += 1
# logging.info('finihsed')
loop = True
while loop:
hr, msg = win32file.ReadFile(pipe, 64 * 1024)
if not hr:
logging.info(f'Received input message: {msg}')
p = subprocess.Popen([sys.executable, 'print_input.py'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = p.communicate(input=msg)
logging.info(f'writing message {out}')
win32file.WriteFile(pipe, out)
logging.info(f'Done sent message')
time.sleep(1)
msg = msg.decode()
if 'stop' in msg:
logging.info(f'Stopping')
loop = False
finally:
win32file.CloseHandle(pipe)
def Write(self, message):
'''
Write a message to the open pipe.
This generally shouldn't block (plenty of room in pipe), but will
explicitly not-block if Set_Nonblocking has been called.
'''
# Similar to above, ignore this error, rely on exceptions.
# Data will be utf8 encoded.
# Don't worry about non-blocking full-pipe exceptions for now;
# assume there is always room.
error, bytes_written = win32file.WriteFile(self.pipe_file, str(message).encode())
return
def write(self, buffer):
"""
Write to the stdin pipe.
:param buffer: encoded bytes buffer. Normally utf-8
:return: # bytes written
"""
error, written = win32file.WriteFile(self.hChildStdinWr, buffer)
if error:
logger.error('write() Error: -> %s', win32api.GetLastError())
# win32file.FlushFileBuffers(self.hChildStdinWr)
return written
def send_command(self, command, pin, val, arg4=None):
"""Pack and send a command to the client"""
data = command + chr(pin) + chr(val) + (arg4 or "")
print("Send: %s" % repr(data))
if self.sock:
self.sock.send(data)
elif self.pipe and self.pipe_status == "connected":
try:
win32file.WriteFile(self.pipe, data, None)
except:
print("Write failed, reconnecting")
self.pipe_connect()
def __init__(self):
self.pipe_h = win32pipe.CreateNamedPipe(
WIRESHARK_PIPE, win32pipe.PIPE_ACCESS_OUTBOUND,
win32pipe.PIPE_TYPE_MESSAGE | win32pipe.PIPE_WAIT, 1, 65536, 65536,
300, None)
logging.info(
"Waiting for wireshark to connect to pipe '%(WIRESHARK_PIPE)s'" %
globals())
win32pipe.ConnectNamedPipe(self.pipe_h, None)
win32file.WriteFile(self.pipe_h, INITIAL_PCAP_HEADER)
def testMoreFiles(self):
# Create a file in the %TEMP% directory.
testName = os.path.join(win32api.GetTempPath(), "win32filetest.dat")
desiredAccess = win32file.GENERIC_READ | win32file.GENERIC_WRITE
# Set a flag to delete the file automatically when it is closed.
fileFlags = win32file.FILE_FLAG_DELETE_ON_CLOSE
h = win32file.CreateFile(testName, desiredAccess,
win32file.FILE_SHARE_READ, None,
win32file.CREATE_ALWAYS, fileFlags, 0)
# Write a known number of bytes to the file.
data = str2bytes("z") * 1025
win32file.WriteFile(h, data)
self.failUnless(
win32file.GetFileSize(h) == len(data),
"WARNING: Written file does not have the same size as the length of the data in it!"
)
# Ensure we can read the data back.
win32file.SetFilePointer(h, 0, win32file.FILE_BEGIN)
hr, read_data = win32file.ReadFile(h,
len(data) +
10) # + 10 to get anything extra
self.failUnless(hr == 0, "Readfile returned %d" % hr)
self.failUnless(read_data == data, "Read data is not what we wrote!")
# Now truncate the file at 1/2 its existing size.
newSize = len(data) // 2
win32file.SetFilePointer(h, newSize, win32file.FILE_BEGIN)
win32file.SetEndOfFile(h)
self.failUnlessEqual(win32file.GetFileSize(h), newSize)
# GetFileAttributesEx/GetFileAttributesExW tests.
self.failUnlessEqual(win32file.GetFileAttributesEx(testName),
win32file.GetFileAttributesExW(testName))
attr, ct, at, wt, size = win32file.GetFileAttributesEx(testName)
self.failUnless(
size == newSize,
"Expected GetFileAttributesEx to return the same size as GetFileSize()"
)
self.failUnless(
attr == win32file.GetFileAttributes(testName),
"Expected GetFileAttributesEx to return the same attributes as GetFileAttributes"
)
h = None # Close the file by removing the last reference to the handle!
self.failUnless(not os.path.isfile(testName),
"After closing the file, it still exists!")
def SendData(self, data):
try:
if not self.hasClient:
win32pipe.ConnectNamedPipe(self.pipe, None)
self.hasClient = True
win32file.WriteFile(self.pipe, data)
win32file.FlushFileBuffers(self.pipe)
except Exception:
if self.hasClient:
win32pipe.DisconnectNamedPipe(self.pipe)
self.hasClient = False
return
