def recv(self, client: socket.socket):
while True:
try:
recvData = client.recv(1024).decode('utf-8')
except:
print('%s 下线' % (client.getpeername()))
break
else:
if len(recvData) != 0:
print(client.getpeername(), '接受数据为：', recvData)
temp = recvData.splitlines()[-1]
print('post 请求的数据：', temp)
print('请求注册')
# end=re.fullmatch('userName=(.*?)&userPwd=(.*?)',temp)
# end=re.fullmatch('text1=(.*?)&text2=(.*?)',temp)
end = re.fullmatch('userName=(.*?)&pwd=(.*?)&text1=(.*)',
temp)
print("用户名：", end.groups()[0])
print("密码：", end.groups()[1])
print(end.groups())
time.sleep(1)
client.close()
break
else:
client.close()
break
def forward_tcp_to_tcp(source: socket.socket, destination: socket.socket):
try:
log.debug("Ongoing connection route: %s ---> %s ---> %s" %
(source.getpeername(), source.getsockname(),
destination.getpeername()))
except:
# Do nothing
log.debug("Socket closed maybe??")
message = ' '
while message:
message = source.recv(tcp_bufsize)
if message:
destination.sendall(message)
else:
try:
source.shutdown(socket.SHUT_RD)
except:
# traceback.print_exc()
pass # Do nothing then
try:
destination.shutdown(socket.SHUT_WR)
except:
# traceback.print_exc()
pass # Do nothing then
break
def _onUnknownReadable(self, conn : socket):
if conn is self.__target:
try:
nconn, addr = conn.accept()
self.__clients[str(addr)] = nconn
self._addSocket(nconn)
except Exception as ex:
self._err(conn, ex)
return
packet = Packet()
packet.op = Packet.OP_USER_CONN
packet.host, packet.port = addr
packet.send(self.__source)
else:
data = conn.recv(TCP_RECV_BUFF)
packet = Packet()
packet.host, packet.port = conn.getpeername()
if data:
packet.op = Packet.OP_USER_MSG
packet.data = data
else:
packet.op = Packet.OP_USER_DISCONN
del self.__clients[str(conn.getpeername())]
self._removeSocket(conn)
packet.send(self.__source)
def send_body(self, conn: socket.socket):
"""Send body into [conn]."""
if self._content_io and (not self.request
or self.request.command != "HEAD"):
logging.debug('%s <- sending body', conn.getpeername())
with suppress(BrokenPipeError):
conn.sendfile(self._content_io)
logging.info('%s <- body sent - ok', conn.getpeername())
def serve(self, sd: socket.socket) -> None:
""" Handle the peer request
:param sd: the socket descriptor used for read the request
:return None
"""
try:
packet = sd.recv(300).decode()
except socket.error as e:
self.log.write_red(
f'Unable to read the packet from the socket: {e}')
sd.close()
return
# log the packet received
socket_ip_sender = sd.getpeername()[0]
if ipaddress.IPv6Address(socket_ip_sender).ipv4_mapped is None:
socket_ip_sender = ipaddress.IPv6Address(
socket_ip_sender).compressed
else:
socket_ip_sender = ipaddress.IPv6Address(
socket_ip_sender).ipv4_mapped.compressed
socket_port_sender = sd.getpeername()[1]
self.log.write_green(f'{socket_ip_sender} [{socket_port_sender}] -> ',
end='')
self.log.write(f'{packet}')
command = packet[0:4]
if command == "AQUE":
if len(packet) != 212:
self.log.write_red(
f'Invalid packet received: {packet}\nUnable to reply.')
return
pktid = packet[4:20]
ip_peer = packet[20:75]
port_peer = int(packet[75:80])
file_md5 = packet[80:112]
filename = packet[112:212]
if pktid != LocalData.get_sent_net_quer_packet():
return
if not LocalData.exist_net_peer_file(ip_peer, port_peer, file_md5,
filename):
LocalData.add_net_peer_file(ip_peer, port_peer, file_md5,
filename)
else:
self.log.write_red(
f'Invalid packet received: {packet}\nUnable to reply.')
return
def __read_socket(self, s: socket.socket):
"""
Handles sockets that has data to be read/incomming connections
"""
if s is self.__socket: # If socket is servers own socket, we have a new client connecting
connection, addr = s.accept() # Accept client
connection.setblocking(0) # Asynchronous input
# Store info about client
self.__sockets_read.append(connection)
self.__response_queues[connection] = queue.Queue()
self.on_client_connected(addr)
else: # A clients socket has data to be read
header = self.__header_buffer.get(
s.getpeername(), None
) # Has this client sent data before? Get the previous data (header) sent
n = header.size if header is not None else PacketHeader.SIZE # Get the expected size to read (as stated in the header) or (if the header doesnt exist, which means this is the first data from that client to be received) set the size to header size
avail = self._available_bytes(
s.fileno()) # Get size of the data awaiting to be read
if avail < n: # Available data size is not (yet) sufficient
if avail <= 0: # If we have data request with no size, the client has disconnected
self.on_client_disconnected(s.getpeername())
self.__close_socket(s)
return # If size of the data is less than expected, wait for more in the next call
data = s.recv(n) if n > 0 else None # Receive the acctual data
if header is None: # If we don't have previous data form this client
if data is None: # This is not expected
return
header = PacketHeader._make(
struct.unpack(PacketHeader.FORMAT,
data)) # Unpack header data
self.__header_buffer[s.getpeername(
)] = header # Associente this header to client
if header.size > 0: # If expecting more data receive it in the next call
return
# Here we are guaranteed to have a header, but not necessarily any data after that (i.e: header != None and (data == None or data != None))
if self.on_data_received(header, data): # Call callback
response = struct.pack(PacketHeader.FORMAT, int(PacketID.TRUE),
0) # Success packet to be sent back
else:
response = struct.pack(PacketHeader.FORMAT,
int(PacketID.FALSE),
0) # Fail packet to be sent back
self.__response_queues[s].put(response) # Queue response packet
if s not in self.__sockets_write:
self.__sockets_write.append(
s) # Append cliet socket to write queue
del self.__header_buffer[s.getpeername(
)] # Remove associated header from client as it's already processed
def transfer_from_tunnel(self, r_conn: socket_t, mask: int,
buf: List[deque]) -> None:
"""receive data from tunnel and store in buffer"""
w_conn = self.work_pool.inv.get(r_conn)
if w_conn is None:
self._sel.unregister(r_conn)
r_conn.close()
return
data = b''
need_close = False
try:
data = r_conn.recv(BUF_SIZE)
except ConnectionError:
need_close = True
if data == b'' or need_close:
try:
peer = r_conn.getpeername()
logger.info(
f'closing tunnel connection from {format_addr(peer)}'
) # noqa
except OSError as e:
logger.warn(e)
self._sel.unregister(r_conn)
r_conn.close()
buf[NEG].append(sentinel)
del self.work_pool.inv[r_conn]
return
buf[NEG].append(data)
def recv(sock: socket.socket) -> Message:
try:
req = sock.recv(1024).decode()
except ConnectionResetError:
return Message()
if req:
try:
msg = parse_message(req)
except ValueError as e:
server_print(f"Bad received: {req.encode()}", sock.getpeername())
msg = Message(ResponseCodes.BAD_MESSAGE, str(e))
else:
server_print(f"Received: {msg}", sock.getpeername())
return msg
else:
return Message()
def __init__(self, sock: socket.socket, q: Queue):
self.sock = sock
self.client = sock.getpeername()
self.q = q
self.event = threading.Event()
self.home = HOME
self.current = self.home
def manage_client(conn: socket.socket, cmd: str) -> None:
"""Manage client connections by facilitating commands.
Args:
conn: Client connection.
cmd: Command to execute.
"""
peername = conn.getpeername()[:2]
try:
handler = {"LIST": cmd_list, "GRAB": cmd_grab, "PUSH": cmd_push}[cmd]
except KeyError as e:
raise exc.BadRequest("invalid command") from e
failure = True
try:
results = ["OK", handler(conn)]
failure = False
except ConnectionResetError:
raise
except (OSError, IOError) as e:
results = ["KO", e.args[0]]
except Exception as e:
results = ["KO", e.message]
finally:
conn.send(utils.encode(results))
print("[*] {} {} {} {}".format(*peername, ["OK", "KO"][failure], cmd))
def recvfrom_blob(
sock: socket.socket,
timeout: int = SOCKET_OPERATION_TIMEOUT) -> Tuple[bytes, str]:
"""
Receive DNS message from TCP/UDP socket.
"""
# deadline is always time.monotonic
deadline = time.monotonic() + timeout
while True:
try:
if sock.type & socket.SOCK_DGRAM:
handle_socket_timeout(sock, deadline)
data, addr = sock.recvfrom(RECEIVE_MESSAGE_SIZE)
elif sock.type & socket.SOCK_STREAM:
# First 2 bytes of TCP packet are the size of the message
# See https://tools.ietf.org/html/rfc1035#section-4.2.2
data = recv_n_bytes_from_tcp(sock, 2, deadline)
msg_len = struct.unpack_from("!H", data)[0]
data = recv_n_bytes_from_tcp(sock, msg_len, deadline)
addr = sock.getpeername()[0]
else:
raise NotImplementedError(
"[recvfrom_blob]: unknown socket type '%i'" % sock.type)
return data, addr
except socket.timeout as ex:
raise RuntimeError("Server took too long to respond") from ex
except OSError as ex:
if ex.errno == errno.ENOBUFS:
time.sleep(0.1)
else:
raise
def channel_thread(channel: socket.socket):
host, port = channel.getpeername()[0:2]
while True:
size_buffer = channel.recv(1)
if len(size_buffer) == 0:
break
size = size_buffer[0]
print('(pending: {})'.format(size))
if size == 0:
print('Closing connection to [{}]:{}'.format(host, port))
break
buffer = bytes()
while len(buffer) < size:
buffer_size = min([size - len(buffer), 64])
buffer = buffer + channel.recv(buffer_size)
print('Received message from [{}]:{}.'.format(host, port))
print(buffer.decode('utf-8'))
channel.send(bytes([
size,
]))
channel.send(buffer)
send_john_cena(channel)
channel.shutdown(socket.SHUT_WR)
channel.close()
def __init__(self, app_handler, client_socket: socket.socket,
print_lock: Lock):
Thread.__init__(self)
self.app_handler = app_handler
self.client_socket = client_socket
self.client_addr = client_socket.getpeername()
self.log_lock = print_lock
def address(self, client: socket = None) -> Tuple[str, int]:
"""
Gets both host and port from this server or from one of its clients.
---
Arguments
---
client (socket, None)
A client socket object from which the address will be obtained, if not
from the server.
---
Returns
---
Tuple(str, int)
Both the host and the port, respectively.
"""
# If the client socket was not provided,...
if client is None:
# ... checks whether the socket is already open...
self.check_connection()
# ... and returns the socket address of this server.
return self.get_socket().getsockname()
# Checks the client connection.
self.check_client(client)
# Returns the client address.
return client.getpeername()
def rec(self, conn: socket.socket): # 在select线程中运行的
data = conn.recv(1024)
logging.info(data.decode(encoding='cp936'))
if data.strip() == b'quit' or data.strip() == b'':
self.selector.unregister(conn) # 关闭之前，注销,理解为之前的从字典中移除socket对象
conn.close()
return
for key in self.selector.get_map().values():
s = key.fileobj
# if key.fileobj is self.sock: # 方法一
# continue
# if key == self.accept_key: # 方法二
# continue
# if key.fd == self.accept_fd: # 方法三
# continue
# msg = 'Your msg = {} form {}'.format(data.decode(encoding='cp936'), conn.getpeername())
# s.send(msg.encode(encoding='cp936'))
# print(key.data)
# print(self.rec)
# print(1, key.data is self.rec) # False
# print(2, key.data == self.rec) # True
if key.data == self.rec: # 方法四
msg = 'Your msg = {} form {}'.format(data.decode(encoding='cp936'), conn.getpeername())
s.send(msg.encode(encoding='cp936'))
def rec(conn: socket.socket, msk: int):
data = conn.recv(1024)
print(data)
print(msk)
msg = 'Your msg {} form {}'.format(data.decode(), conn.getpeername())
conn.send(msg.encode())
def transfer_from_dest(self, r_conn: socket_t, mask: int,
buf: List[deque]) -> None:
"""receive data from dest and store in buffer"""
w_conn = self.working_pool.inv.get(r_conn)
if w_conn is None:
self._sel.unregister(r_conn)
r_conn.close()
return
data = b''
need_close = False
try:
data = r_conn.recv(BUF_SIZE)
except ConnectionError:
need_close = True
if data == b'' or need_close:
try:
peer = r_conn.getpeername()
logger.info(
f'closing dest connection from {format_addr(peer)}')
except OSError as e:
logger.warn(e)
self._sel.unregister(r_conn)
self._sel.modify(w_conn, selectors.EVENT_WRITE,
partial(self.send_to_tunnel, buf=buf))
r_conn.close()
buf[NEG].append(sentinel)
del self.working_pool.inv[r_conn]
return
buf[NEG].append(data)
def del_client(self, conn: socket.socket):
addr = conn.getpeername()
if addr not in self.clients.keys():
raise ClientNotExistException()
self.server.remove_handler(conn.fileno())
del self.clients[addr]
def listen_to_client_messages(self, conn: socket.socket):
'''
This function is ran under a new thread where it
constantly listens to the ip if the client is sending
any messages and if any message is recieved the message
is broadcasted to other clients
'''
# Getting the IP and PORT of the Client
IP, PORT = conn.getpeername()
# The first message recieved by the client is the name
# of the client. This is mapped using the `client_names`
name = conn.recv(1024).decode()
# client_names[(IP, PORT)] = name
# Log to the server
print(f"{IP}:{PORT} => {name}")
# This Loop keeps on reading messages from the client
while True:
try:
msg = conn.recv(1024).decode()
self.broadcast_message(f"{name} => {msg}")
except Exception:
# client_names.pop((IP, PORT))
# clients.remove(conn)
conn.close()
threading.currentThread()._stop()
def start_listener(self, conn:socket.socket, index):
s=socket.socket()
print("Master>>On thread",index,"peered with ", conn.getpeername())
while True :
if self.SLAVES_LIST[index].uploading :
self.remove_slave()
if self.slaves_num== 0 :
self.WORKING=False
print("Master>>Ready to receive upload")
self.receive_upload(conn,s)
self.close_listener()
else :
print("Master>>Ready to receive upload")
self.receive_upload(conn,s)
break
else:
msg=conn.recv(23).decode().split("|")
print("Master>>Received message : ",msg)
if msg[0]=="hi" :
self.SLAVES_LIST[index].address=msg[1]
self.SLAVES_LIST[index].port=int(msg[2].replace("?",""))
print(self.SLAVES_LIST[index].address,",",self.SLAVES_LIST[index].port,"is saying hi !")
s.connect((self.SLAVES_LIST[index].address, self.SLAVES_LIST[index].port))
print(self.SLAVES_LIST[index].address, self.SLAVES_LIST[index].port , " says hi !")
print("Master>>Affecting job to", self.SLAVES_LIST[index].address, self.SLAVES_LIST[index].port)
self.affect_job(s, index)
print("Master>>Job affected to slave", self.SLAVES_LIST[index].address, self.SLAVES_LIST[index].port)
def __init__(self, sock: socket.socket) -> None:
self.endpoint_addr = Address(*sock.getpeername())
self._endpoint_pubkey: Optional[RSA.RsaKey] = None
self._connected = False
self._closed = False
self._sent_pubkey = False
self._sock = sock
def handle_client(sock: socket.socket):
while True:
data = sock.recv(1024)
if not data:
break
sock.sendall(data.decode("utf-8").upper().encode())
print("Disconnected from", sock.getpeername())
sock.close()
async def connect(protocol_factory: Callable[..., ConnectionBase],
address: str = None,
port: int = None,
family=AF_INET,
type=SOCK_STREAM,
proto=0,
fileno=None,
bufsize: int = 1024,
sock: socket = None):
if sock is not None:
if fileno is not None:
raise ValueError("You cannot specify a fileno AND a socket!")
try:
sock.getpeername()
connected = False
# We want to check if the sock is connected already
except OSError: # It'll raise an OSError if we try to getpeername of an unconnected sock
if address is not None or port is not None:
raise ValueError(
"You cannot specify both an address/port AND a connected socket!"
) from None
connected = True
else:
sock = socket(family=family, type=type, proto=proto, fileno=fileno)
connected = False
connection = protocol_factory(
socket=sock, host=(address, port),
bufsize=bufsize) # All protos need these args
if not connected:
await connection._connect(
) # If the sock isn't connected, connect "asynchronously"
loop = await get_loop()
if not isinstance(loop, IOCPLoop):
await create_writer(sock, connection._writer_callback
) # Create our reader and writer
else:
if sock.fileno() not in loop._open_ports:
_overlapped.CreateIoCompletionPort(sock.fileno(), loop._port, 0, 0)
loop._open_ports.append(sock.fileno())
await create_reader(sock, connection._reader_callback)
return connection
def add_client(self, conn: socket.socket):
addr = conn.getpeername()
if addr in self.clients.keys():
raise ClientExistException()
client = Client(self, conn)
self.server.add_handler(conn.fileno(), client.recv, EVENT_READ)
self.clients[addr] = client
def recv_and_log(sock: socket.socket) -> Tuple[int, int, int, int, bytes]:
"""
Simple wrapper to log each responset to stdout after receiving it.
"""
return log_pipe(
*decode_packet(sock.recv(MAX_PACKET_SIZE)),
"RECV",
sock.getpeername()[0],
)
def __init__(self, sock: socket.socket) -> None:
self.endpoint_addr = Address(*sock.getpeername())
self._sock = sock
self._buffer = b""
self._headers_len: Optional[int] = None
self._headers: Optional[MessageHeaders] = None
self._content: Optional[bytes] = None
self._request_reading = True
self._closed = False
def bind_remote_address_to_logger(sock: socket.socket): # type:ignore
try:
bind_contextvars(remote=sock.getpeername())
except socket.error:
pass
try:
yield
finally:
unbind_contextvars("remote")
def send(sock: socket.socket, res: Message):
json_data = json.dumps(res.data)
msg = (
str(res.code).rjust(Consts.CODE_LEN, "0")
+ str(len(json_data)).rjust(Consts.LENGTH_LEN, "0")
+ json_data
)
sock.send(msg.encode())
server_print(f"Sent: {res}", sock.getpeername())
def recv(self, sock: socket.socket):
while not self.event.is_set():
try:
data = sock.recv(1024) # blocked,bytes
logging.info(data)
except Exception as e:
logging.error(e)
data = b'quit'
print('fenshi')
if data == b'quit':
self.clients.pop(sock.getpeername())
sock.close()
break
msg = "ack{}. {} {}".format(
sock.getpeername(),
datetime.datetime.now().strftime("%Y/%m/%d-%H:%M:%S"),
data.decode()).encode()
for s in self.clients.values():
s.send(msg)
def __init__(self, id: str, conn: socket.socket, manager):
super().__init__(name=id)
self.conn = conn
self.addr = conn.getpeername()
self.server = manager
self.closed = False
self.info = {}
self.shared = {}
self._lock_sharing = [False]
self._buffer = bytearray()
log.debug("Finished ClientWorker initialization.")
def original_addr(self, csock: socket.socket):
ip, port = csock.getpeername()[:2]
ip = re.sub(r"^::ffff:(?=\d+.\d+.\d+.\d+$)", "", ip)
ip = ip.split("%", 1)[0]
with self.lock:
try:
write((ip, port), self.wfile)
addr = read(self.rfile)
if addr is None:
raise RuntimeError("Cannot resolve original destination.")
return tuple(addr)
except (EOFError, socket.error):
self._connect()
return self.original_addr(csock)