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Merge pull request #10 from clowwindy/local-socks5

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Local socks5
This commit is contained in:
clowwindy 2012-06-20 23:30:01 -07:00
commit a79b90d2a5
2 changed files with 77 additions and 64 deletions
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106
local.py
View file

@ -20,19 +20,18 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
SERVER = 'my server ip'
REMOTE_PORT = 8499
SERVER = '127.0.0.1'
REMOTE_PORT = 8388
PORT = 1080
KEY = "foobar!"
KEY = "barfoo!"
import socket
import select
import string
import struct
import hashlib
import threading
import time
import SocketServer
import struct
import string
import hashlib
import sys
def get_table(key):
m = hashlib.md5()
@ -44,47 +43,19 @@ def get_table(key):
table.sort(lambda x, y: int(a % (ord(x) + i) - a % (ord(y) + i)))
return table
encrypt_table = ''.join(get_table(KEY))
decrypt_table = string.maketrans(encrypt_table, string.maketrans('', ''))
my_lock = threading.Lock()
def lock_print(msg):
my_lock.acquire()
try:
print "[%s] %s" % (time.ctime(), msg)
finally:
my_lock.release()
class ThreadingTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
pass
class Socks5Server(SocketServer.StreamRequestHandler):
def encrypt(self, data):
return data.translate(encrypt_table)
def decrypt(self, data):
return data.translate(decrypt_table)
def handle_tcp(self, sock, remote):
try:
fdset = [sock, remote]
counter = 0
while True:
r, w, e = select.select(fdset, [], [])
if sock in r:
r_data = sock.recv(4096)
if counter == 1:
try:
lock_print(
"Connecting " + r_data[5:5 + ord(r_data[4])])
except Exception:
pass
if counter < 2:
counter += 1
if remote.send(self.encrypt(r_data)) <= 0:
if remote.send(self.encrypt(sock.recv(4096))) <= 0:
break
if remote in r:
if sock.send(self.decrypt(remote.recv(4096))) <= 0:
@ -92,20 +63,73 @@ class Socks5Server(SocketServer.StreamRequestHandler):
finally:
remote.close()
def encrypt(self, data):
return data.translate(encrypt_table)
def decrypt(self, data):
return data.translate(decrypt_table)
def send_encrpyt(self, sock, data):
sock.send(self.encrypt(data))
def handle(self):
try:
print 'socks connection from ', self.client_address
sock = self.connection
remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote.connect((SERVER, REMOTE_PORT))
sock.recv(262)
sock.send("\x05\x00")
data = self.rfile.read(4)
mode = ord(data[1])
if mode != 1:
print 'mode != 1'
return
addrtype = ord(data[3])
addr_to_send = data[3]
if addrtype == 1:
addr_ip = self.rfile.read(4)
addr = socket.inet_ntoa(addr_ip)
addr_to_send += addr_ip
elif addrtype == 3:
addr_len = sock.recv(1)
addr = self.rfile.read(ord(addr_len))
addr_to_send += addr_len + addr
else:
print 'not support'
# not support
return
addr_port = self.rfile.read(2)
addr_to_send += addr_port
port = struct.unpack('>H', addr_port)
try:
if mode == 1:
reply = "\x05\x00\x00\x01"
reply += socket.inet_aton('0.0.0.0') + struct.pack(">H", 2222)
sock.send(reply)
# reply immediately
remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote.connect((SERVER, REMOTE_PORT))
self.send_encrpyt(remote, addr_to_send)
print 'Tcp connect to', addr, port[0]
else:
print 'command not supported'
return
except socket.error as e:
print 'socket error ' + str(e)
return
self.handle_tcp(sock, remote)
except socket.error as e:
lock_print('socket error: %s' % str(e))
print 'socket error ' + str(e)
def main():
print 'Starting proxy at port %d' % PORT
if '-6' in sys.argv[1:]:
ThreadingTCPServer.address_family = socket.AF_INET6
server = ThreadingTCPServer(('', PORT), Socks5Server)
server.allow_reuse_address = True
print "starting server at port %d ..." % PORT
server.serve_forever()
if __name__ == '__main__':
encrypt_table = ''.join(get_table(KEY))
decrypt_table = string.maketrans(encrypt_table, string.maketrans('', ''))
main()

35
server.py
View file

@ -20,8 +20,8 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
PORT = 8499
KEY = "foobar!"
PORT = 8388
KEY = "barfoo!"
import socket
import select
@ -74,11 +74,7 @@ class Socks5Server(SocketServer.StreamRequestHandler):
try:
print 'socks connection from ', self.client_address
sock = self.connection
sock.recv(262)
self.send_encrpyt(sock, "\x05\x00")
data = self.decrypt(self.rfile.read(4))
mode = ord(data[1])
addrtype = ord(data[3])
addrtype = ord(self.decrypt(sock.recv(1)))
if addrtype == 1:
addr = socket.inet_ntoa(self.decrypt(self.rfile.read(4)))
elif addrtype == 3:
@ -86,32 +82,25 @@ class Socks5Server(SocketServer.StreamRequestHandler):
self.rfile.read(ord(self.decrypt(sock.recv(1)))))
else:
# not support
print 'server: not support'
return
port = struct.unpack('>H', self.decrypt(self.rfile.read(2)))
reply = "\x05\x00\x00\x01"
try:
if mode == 1:
remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote.connect((addr, port[0]))
local = remote.getsockname()
reply += socket.inet_aton(local[0]) + struct.pack(">H",
local[1])
print 'Tcp connect to', addr, port[0]
else:
reply = "\x05\x07\x00\x01" # Command not supported
print 'command not supported'
print 'Tcp connecting to', addr, port[0]
remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote.connect((addr, port[0]))
local = remote.getsockname()
except socket.error:
# Connection refused
reply = '\x05\x05\x00\x01\x00\x00\x00\x00\x00\x00'
self.send_encrpyt(sock, reply)
if reply[1] == '\x00':
if mode == 1:
self.handle_tcp(sock, remote)
return
self.handle_tcp(sock, remote)
except socket.error as e:
print 'socket error'
def main():
if '-6' in sys.argv[1:]:
ThreadingTCPServer.address_family = socket.AF_INET6
server = ThreadingTCPServer(('', PORT), Socks5Server)
server.allow_reuse_address = True
print "starting server at port %d ..." % PORT