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