set_name("Server")
try:
log("Listening on {}.".format(pp_host(HOST_PAIR)))
conn = None
listener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
listener.settimeout(3)
listener.bind(HOST_PAIR)
listener.listen(1)
password = random.choice(PASSWORDS)
log("Set password to '{}'.".format(password))
while True:
conn, sender = listener.accept()
set_conn(conn)
log("Got a connection from {}.".format(pp_host(sender)))
send("PASSWORDPLS")
data = receive()
if data == password:
send("OK")
data = receive()
if data == "FLAGPLS":
send("<3><")
else:
send("BAD PASSWORD")
close_conn()
except socket.error, e:
log("-!- {}".format(str(e)))
except KeyboardInterrupt:
log("Killed.")
from tcp_tools import set_name, set_conn, log, pp_host, send, receive
HOST_PAIR = ("127.0.0.1", 2001)
set_name("Server")
try:
log("Listening on {}.".format(pp_host(HOST_PAIR)))
conn = None
listener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
listener.settimeout(3)
listener.bind(HOST_PAIR)
listener.listen(1)
conn, sender = listener.accept()
set_conn(conn)
log("Got a connection from {}.".format(pp_host(sender)))
data = True
while data and data != "FLAGPLS":
data = receive()
if data and data != "FLAGPLS":
log("Ignoring.")
if data:
send("><3>")
log("Sent the flag.")
else:
log("Lost client.")
except socket.error, e:
log("-!- {}".format(str(e)))
except KeyboardInterrupt:
log("Killed.")
#!/usr/bin/python
import socket
from tcp_tools import set_name, set_conn, close_conn, log, pp_host, send, receive
HOST_PAIR = ("127.0.0.1", 2001)
set_name("Client")
try:
log("Connecting on {}.".format(pp_host(HOST_PAIR)))
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
set_conn(sock)
sock.connect(HOST_PAIR)
data = receive()
if data.startswith("CHALLENGE"):
operands = [None, None]
challenge, operands[0], operator, operands[1] = data.split()
operands = map(int, operands)
if operator == '+':
answer = operands[0] + operands[1]
elif operator == '-':
answer = operands[0] - operands[1]
elif operator == '*':
answer = operands[0] * operands[1]
else:
answer = operands[0] / operands[1]
send(answer)
data = receive()
if data == "OK":
#!/usr/bin/python
import socket
from tcp_tools import set_name, set_conn, close_conn, log, pp_host, send, receive
HOST_PAIR = ("127.0.0.1", 2001)
set_name("Client")
try:
log("Connecting on {}.".format(pp_host(HOST_PAIR)))
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
set_conn(sock)
sock.connect(HOST_PAIR)
data = receive()
if data.startswith("CHALLENGE"):
operands = [None, None]
challenge, operands[0], operator, operands[1] = data.split()
operands = map(int, operands)
if operator == "+":
answer = operands[0] + operands[1]
elif operator == "-":
answer = operands[0] - operands[1]
elif operator == "*":
answer = operands[0] * operands[1]
else:
answer = operands[0] / operands[1]
send(answer)
data = receive()
if data == "OK":
