mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-22 09:36:35 +03:00
410 lines
17 KiB
Python
410 lines
17 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""SocksiPy - Python SOCKS module.
|
|
Version 1.00
|
|
|
|
Copyright 2006 Dan-Haim. All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
1. Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
3. Neither the name of Dan Haim nor the names of his contributors may be used
|
|
to endorse or promote products derived from this software without specific
|
|
prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY DAN HAIM "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
|
EVENT SHALL DAN HAIM OR HIS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA
|
|
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMANGE.
|
|
|
|
|
|
This module provides a standard socket-like interface for Python
|
|
for tunneling connections through SOCKS proxies.
|
|
|
|
"""
|
|
|
|
"""
|
|
Minor modifications made by Miroslav Stampar (http://sqlmap.org/)
|
|
for patching DNS-leakage occuring in socket.create_connection()
|
|
|
|
Minor modifications made by Christopher Gilbert (http://motomastyle.com/)
|
|
for use in PyLoris (http://pyloris.sourceforge.net/)
|
|
|
|
Minor modifications made by Mario Vilas (http://breakingcode.wordpress.com/)
|
|
mainly to merge bug fixes found in Sourceforge
|
|
|
|
"""
|
|
|
|
import socket
|
|
import struct
|
|
|
|
PROXY_TYPE_SOCKS4 = 1
|
|
PROXY_TYPE_SOCKS5 = 2
|
|
PROXY_TYPE_HTTP = 3
|
|
|
|
_defaultproxy = None
|
|
_orgsocket = socket.socket
|
|
_orgcreateconnection = socket.create_connection
|
|
|
|
class ProxyError(Exception): pass
|
|
class GeneralProxyError(ProxyError): pass
|
|
class Socks5AuthError(ProxyError): pass
|
|
class Socks5Error(ProxyError): pass
|
|
class Socks4Error(ProxyError): pass
|
|
class HTTPError(ProxyError): pass
|
|
|
|
_generalerrors = ("success",
|
|
"invalid data",
|
|
"not connected",
|
|
"not available",
|
|
"bad proxy type",
|
|
"bad input")
|
|
|
|
_socks5errors = ("succeeded",
|
|
"general SOCKS server failure",
|
|
"connection not allowed by ruleset",
|
|
"Network unreachable",
|
|
"Host unreachable",
|
|
"Connection refused",
|
|
"TTL expired",
|
|
"Command not supported",
|
|
"Address type not supported",
|
|
"Unknown error")
|
|
|
|
_socks5autherrors = ("succeeded",
|
|
"authentication is required",
|
|
"all offered authentication methods were rejected",
|
|
"unknown username or invalid password",
|
|
"unknown error")
|
|
|
|
_socks4errors = ("request granted",
|
|
"request rejected or failed",
|
|
"request rejected because SOCKS server cannot connect to identd on the client",
|
|
"request rejected because the client program and identd report different user-ids",
|
|
"unknown error")
|
|
|
|
def setdefaultproxy(proxytype=None, addr=None, port=None, rdns=True, username=None, password=None):
|
|
"""setdefaultproxy(proxytype, addr[, port[, rdns[, username[, password]]]])
|
|
Sets a default proxy which all further socksocket objects will use,
|
|
unless explicitly changed.
|
|
"""
|
|
global _defaultproxy
|
|
_defaultproxy = (proxytype, addr, port, rdns, username, password)
|
|
|
|
def wrapmodule(module):
|
|
"""wrapmodule(module)
|
|
Attempts to replace a module's socket library with a SOCKS socket. Must set
|
|
a default proxy using setdefaultproxy(...) first.
|
|
This will only work on modules that import socket directly into the namespace;
|
|
most of the Python Standard Library falls into this category.
|
|
"""
|
|
if _defaultproxy != None:
|
|
module.socket.socket = socksocket
|
|
module.socket.create_connection = create_connection
|
|
else:
|
|
raise GeneralProxyError((4, "no proxy specified"))
|
|
|
|
def unwrapmodule(module):
|
|
module.socket.socket = _orgsocket
|
|
module.socket.create_connection = _orgcreateconnection
|
|
|
|
class socksocket(socket.socket):
|
|
"""socksocket([family[, type[, proto]]]) -> socket object
|
|
Open a SOCKS enabled socket. The parameters are the same as
|
|
those of the standard socket init. In order for SOCKS to work,
|
|
you must specify family=AF_INET, type=SOCK_STREAM and proto=0.
|
|
"""
|
|
|
|
def __init__(self, family=socket.AF_INET, type=socket.SOCK_STREAM, proto=0, _sock=None):
|
|
_orgsocket.__init__(self, family, type, proto, _sock)
|
|
if _defaultproxy != None:
|
|
self.__proxy = _defaultproxy
|
|
else:
|
|
self.__proxy = (None, None, None, None, None, None)
|
|
self.__proxysockname = None
|
|
self.__proxypeername = None
|
|
|
|
def __recvall(self, count):
|
|
"""__recvall(count) -> data
|
|
Receive EXACTLY the number of bytes requested from the socket.
|
|
Blocks until the required number of bytes have been received.
|
|
"""
|
|
data = self.recv(count)
|
|
while len(data) < count:
|
|
d = self.recv(count-len(data))
|
|
if not d: raise GeneralProxyError((0, "connection closed unexpectedly"))
|
|
data = data + d
|
|
return data
|
|
|
|
def setproxy(self, proxytype=None, addr=None, port=None, rdns=True, username=None, password=None):
|
|
"""setproxy(proxytype, addr[, port[, rdns[, username[, password]]]])
|
|
Sets the proxy to be used.
|
|
proxytype - The type of the proxy to be used. Three types
|
|
are supported: PROXY_TYPE_SOCKS4 (including socks4a),
|
|
PROXY_TYPE_SOCKS5 and PROXY_TYPE_HTTP
|
|
addr - The address of the server (IP or DNS).
|
|
port - The port of the server. Defaults to 1080 for SOCKS
|
|
servers and 8080 for HTTP proxy servers.
|
|
rdns - Should DNS queries be preformed on the remote side
|
|
(rather than the local side). The default is True.
|
|
Note: This has no effect with SOCKS4 servers.
|
|
username - Username to authenticate with to the server.
|
|
The default is no authentication.
|
|
password - Password to authenticate with to the server.
|
|
Only relevant when username is also provided.
|
|
"""
|
|
self.__proxy = (proxytype, addr, port, rdns, username, password)
|
|
|
|
def __negotiatesocks5(self, destaddr, destport):
|
|
"""__negotiatesocks5(self,destaddr,destport)
|
|
Negotiates a connection through a SOCKS5 server.
|
|
"""
|
|
# First we'll send the authentication packages we support.
|
|
if (self.__proxy[4]!=None) and (self.__proxy[5]!=None):
|
|
# The username/password details were supplied to the
|
|
# setproxy method so we support the USERNAME/PASSWORD
|
|
# authentication (in addition to the standard none).
|
|
self.sendall(struct.pack('BBBB', 0x05, 0x02, 0x00, 0x02))
|
|
else:
|
|
# No username/password were entered, therefore we
|
|
# only support connections with no authentication.
|
|
self.sendall(struct.pack('BBB', 0x05, 0x01, 0x00))
|
|
# We'll receive the server's response to determine which
|
|
# method was selected
|
|
chosenauth = self.__recvall(2)
|
|
if chosenauth[0:1] != chr(0x05).encode():
|
|
self.close()
|
|
raise GeneralProxyError((1, _generalerrors[1]))
|
|
# Check the chosen authentication method
|
|
if chosenauth[1:2] == chr(0x00).encode():
|
|
# No authentication is required
|
|
pass
|
|
elif chosenauth[1:2] == chr(0x02).encode():
|
|
# Okay, we need to perform a basic username/password
|
|
# authentication.
|
|
self.sendall(chr(0x01).encode() + chr(len(self.__proxy[4])) + self.__proxy[4] + chr(len(self.__proxy[5])) + self.__proxy[5])
|
|
authstat = self.__recvall(2)
|
|
if authstat[0:1] != chr(0x01).encode():
|
|
# Bad response
|
|
self.close()
|
|
raise GeneralProxyError((1, _generalerrors[1]))
|
|
if authstat[1:2] != chr(0x00).encode():
|
|
# Authentication failed
|
|
self.close()
|
|
raise Socks5AuthError((3, _socks5autherrors[3]))
|
|
# Authentication succeeded
|
|
else:
|
|
# Reaching here is always bad
|
|
self.close()
|
|
if chosenauth[1] == chr(0xFF).encode():
|
|
raise Socks5AuthError((2, _socks5autherrors[2]))
|
|
else:
|
|
raise GeneralProxyError((1, _generalerrors[1]))
|
|
# Now we can request the actual connection
|
|
req = struct.pack('BBB', 0x05, 0x01, 0x00)
|
|
# If the given destination address is an IP address, we'll
|
|
# use the IPv4 address request even if remote resolving was specified.
|
|
try:
|
|
ipaddr = socket.inet_aton(destaddr)
|
|
req = req + chr(0x01).encode() + ipaddr
|
|
except socket.error:
|
|
# Well it's not an IP number, so it's probably a DNS name.
|
|
if self.__proxy[3]:
|
|
# Resolve remotely
|
|
ipaddr = None
|
|
req = req + chr(0x03).encode() + chr(len(destaddr)).encode() + destaddr
|
|
else:
|
|
# Resolve locally
|
|
ipaddr = socket.inet_aton(socket.gethostbyname(destaddr))
|
|
req = req + chr(0x01).encode() + ipaddr
|
|
req = req + struct.pack(">H", destport)
|
|
self.sendall(req)
|
|
# Get the response
|
|
resp = self.__recvall(4)
|
|
if resp[0:1] != chr(0x05).encode():
|
|
self.close()
|
|
raise GeneralProxyError((1, _generalerrors[1]))
|
|
elif resp[1:2] != chr(0x00).encode():
|
|
# Connection failed
|
|
self.close()
|
|
if ord(resp[1:2])<=8:
|
|
raise Socks5Error((ord(resp[1:2]), _socks5errors[ord(resp[1:2])]))
|
|
else:
|
|
raise Socks5Error((9, _socks5errors[9]))
|
|
# Get the bound address/port
|
|
elif resp[3:4] == chr(0x01).encode():
|
|
boundaddr = self.__recvall(4)
|
|
elif resp[3:4] == chr(0x03).encode():
|
|
resp = resp + self.recv(1)
|
|
boundaddr = self.__recvall(ord(resp[4:5]))
|
|
else:
|
|
self.close()
|
|
raise GeneralProxyError((1,_generalerrors[1]))
|
|
boundport = struct.unpack(">H", self.__recvall(2))[0]
|
|
self.__proxysockname = (boundaddr, boundport)
|
|
if ipaddr != None:
|
|
self.__proxypeername = (socket.inet_ntoa(ipaddr), destport)
|
|
else:
|
|
self.__proxypeername = (destaddr, destport)
|
|
|
|
def getproxysockname(self):
|
|
"""getsockname() -> address info
|
|
Returns the bound IP address and port number at the proxy.
|
|
"""
|
|
return self.__proxysockname
|
|
|
|
def getproxypeername(self):
|
|
"""getproxypeername() -> address info
|
|
Returns the IP and port number of the proxy.
|
|
"""
|
|
return _orgsocket.getpeername(self)
|
|
|
|
def getpeername(self):
|
|
"""getpeername() -> address info
|
|
Returns the IP address and port number of the destination
|
|
machine (note: getproxypeername returns the proxy)
|
|
"""
|
|
return self.__proxypeername
|
|
|
|
def __negotiatesocks4(self,destaddr,destport):
|
|
"""__negotiatesocks4(self,destaddr,destport)
|
|
Negotiates a connection through a SOCKS4 server.
|
|
"""
|
|
# Check if the destination address provided is an IP address
|
|
rmtrslv = False
|
|
try:
|
|
ipaddr = socket.inet_aton(destaddr)
|
|
except socket.error:
|
|
# It's a DNS name. Check where it should be resolved.
|
|
if self.__proxy[3]:
|
|
ipaddr = struct.pack("BBBB", 0x00, 0x00, 0x00, 0x01)
|
|
rmtrslv = True
|
|
else:
|
|
ipaddr = socket.inet_aton(socket.gethostbyname(destaddr))
|
|
# Construct the request packet
|
|
req = struct.pack(">BBH", 0x04, 0x01, destport) + ipaddr
|
|
# The username parameter is considered userid for SOCKS4
|
|
if self.__proxy[4] != None:
|
|
req = req + self.__proxy[4]
|
|
req = req + chr(0x00).encode()
|
|
# DNS name if remote resolving is required
|
|
# NOTE: This is actually an extension to the SOCKS4 protocol
|
|
# called SOCKS4A and may not be supported in all cases.
|
|
if rmtrslv:
|
|
req = req + destaddr + chr(0x00).encode()
|
|
self.sendall(req)
|
|
# Get the response from the server
|
|
resp = self.__recvall(8)
|
|
if resp[0:1] != chr(0x00).encode():
|
|
# Bad data
|
|
self.close()
|
|
raise GeneralProxyError((1,_generalerrors[1]))
|
|
if resp[1:2] != chr(0x5A).encode():
|
|
# Server returned an error
|
|
self.close()
|
|
if ord(resp[1:2]) in (91, 92, 93):
|
|
self.close()
|
|
raise Socks4Error((ord(resp[1:2]), _socks4errors[ord(resp[1:2]) - 90]))
|
|
else:
|
|
raise Socks4Error((94, _socks4errors[4]))
|
|
# Get the bound address/port
|
|
self.__proxysockname = (socket.inet_ntoa(resp[4:]), struct.unpack(">H", resp[2:4])[0])
|
|
if rmtrslv != None:
|
|
self.__proxypeername = (socket.inet_ntoa(ipaddr), destport)
|
|
else:
|
|
self.__proxypeername = (destaddr, destport)
|
|
|
|
def __negotiatehttp(self, destaddr, destport):
|
|
"""__negotiatehttp(self,destaddr,destport)
|
|
Negotiates a connection through an HTTP server.
|
|
"""
|
|
# If we need to resolve locally, we do this now
|
|
if not self.__proxy[3]:
|
|
addr = socket.gethostbyname(destaddr)
|
|
else:
|
|
addr = destaddr
|
|
self.sendall(("CONNECT " + addr + ":" + str(destport) + " HTTP/1.1\r\n" + "Host: " + destaddr + "\r\n\r\n").encode())
|
|
# We read the response until we get the string "\r\n\r\n"
|
|
resp = self.recv(1)
|
|
while resp.find("\r\n\r\n".encode()) == -1:
|
|
resp = resp + self.recv(1)
|
|
# We just need the first line to check if the connection
|
|
# was successful
|
|
statusline = resp.splitlines()[0].split(" ".encode(), 2)
|
|
if statusline[0] not in ("HTTP/1.0".encode(), "HTTP/1.1".encode()):
|
|
self.close()
|
|
raise GeneralProxyError((1, _generalerrors[1]))
|
|
try:
|
|
statuscode = int(statusline[1])
|
|
except ValueError:
|
|
self.close()
|
|
raise GeneralProxyError((1, _generalerrors[1]))
|
|
if statuscode != 200:
|
|
self.close()
|
|
raise HTTPError((statuscode, statusline[2]))
|
|
self.__proxysockname = ("0.0.0.0", 0)
|
|
self.__proxypeername = (addr, destport)
|
|
|
|
def connect(self, destpair):
|
|
"""connect(self, despair)
|
|
Connects to the specified destination through a proxy.
|
|
destpar - A tuple of the IP/DNS address and the port number.
|
|
(identical to socket's connect).
|
|
To select the proxy server use setproxy().
|
|
"""
|
|
# Do a minimal input check first
|
|
if (not type(destpair) in (list,tuple)) or (len(destpair) < 2) or (type(destpair[0]) != type('')) or (type(destpair[1]) != int):
|
|
raise GeneralProxyError((5, _generalerrors[5]))
|
|
if self.__proxy[0] == PROXY_TYPE_SOCKS5:
|
|
if self.__proxy[2] != None:
|
|
portnum = self.__proxy[2]
|
|
else:
|
|
portnum = 1080
|
|
_orgsocket.connect(self, (self.__proxy[1], portnum))
|
|
self.__negotiatesocks5(destpair[0], destpair[1])
|
|
elif self.__proxy[0] == PROXY_TYPE_SOCKS4:
|
|
if self.__proxy[2] != None:
|
|
portnum = self.__proxy[2]
|
|
else:
|
|
portnum = 1080
|
|
_orgsocket.connect(self,(self.__proxy[1], portnum))
|
|
self.__negotiatesocks4(destpair[0], destpair[1])
|
|
elif self.__proxy[0] == PROXY_TYPE_HTTP:
|
|
if self.__proxy[2] != None:
|
|
portnum = self.__proxy[2]
|
|
else:
|
|
portnum = 8080
|
|
_orgsocket.connect(self,(self.__proxy[1], portnum))
|
|
self.__negotiatehttp(destpair[0], destpair[1])
|
|
elif self.__proxy[0] == None:
|
|
_orgsocket.connect(self, (destpair[0], destpair[1]))
|
|
else:
|
|
raise GeneralProxyError((4, _generalerrors[4]))
|
|
|
|
def create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
|
|
source_address=None):
|
|
# Patched for a DNS-leakage
|
|
host, port = address
|
|
sock = None
|
|
try:
|
|
sock = socksocket(socket.AF_INET, socket.SOCK_STREAM)
|
|
if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
|
|
sock.settimeout(timeout)
|
|
if source_address:
|
|
sock.bind(source_address)
|
|
sock.connect(address)
|
|
except socket.error:
|
|
if sock is not None:
|
|
sock.close()
|
|
raise
|
|
return sock
|