mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2026-07-11 11:03:15 +00:00
Adding native websocket support
This commit is contained in:
Miroslav Štampar
parent
4c12dda2f7
commit
fc1ae6950e
6 changed files with 371 additions and 27 deletions
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@ -2698,15 +2698,6 @@ def _setHttpOptions():
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_http_client.HTTPConnection._http_vsn = 10
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_http_client.HTTPConnection._http_vsn_str = 'HTTP/1.0'
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if conf.url and (conf.url.startswith("ws:/") or conf.url.startswith("wss:/")):
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try:
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from websocket import ABNF
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ABNF # require websocket-client, not any 'websocket' module
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except ImportError:
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errMsg = "sqlmap requires third-party module 'websocket-client' "
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errMsg += "in order to use WebSocket functionality"
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raise SqlmapMissingDependence(errMsg)
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def _checkTor():
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if not conf.checkTor:
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return
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@ -20,7 +20,7 @@ from lib.core.enums import OS
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from thirdparty import six
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# sqlmap version (<major>.<minor>.<month>.<monthly commit>)
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VERSION = "1.10.7.56"
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VERSION = "1.10.7.57"
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TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
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TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
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VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
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@ -19,12 +19,8 @@ import sys
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import time
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import traceback
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try:
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import websocket
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from websocket import WebSocketException
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except ImportError:
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class WebSocketException(Exception):
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pass
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from lib.request import websocket
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from lib.request.websocket import WebSocketException
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from lib.core.agent import agent
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from lib.core.common import asciifyUrl
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230
lib/request/websocket.py
Normal file
230
lib/request/websocket.py
Normal file
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@ -0,0 +1,230 @@
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#!/usr/bin/env python
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"""
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Copyright (c) 2006-2026 sqlmap developers (https://sqlmap.org)
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See the file 'LICENSE' for copying permission
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"""
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# Native, dependency-free WebSocket client (RFC 6455), replacing the 'websocket-client' third-party
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# library. Covers exactly what sqlmap needs: the client handshake, masked text framing, wss (TLS) and
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# the recv/timeout surface. It also removes the long-standing ambiguity with the unrelated 'websocket'
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# PyPI package (both expose a top-level 'websocket' module). Pure standard library, Python 2.7 / 3.x.
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import base64
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import hashlib
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import os
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import socket
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import ssl
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import struct
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from lib.core.convert import getBytes
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from lib.core.convert import getText
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from thirdparty.six.moves import urllib as _urllib
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_GUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" # RFC 6455 magic value for the accept key
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OPCODE_CONTINUATION = 0x0
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OPCODE_TEXT = 0x1
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OPCODE_BINARY = 0x2
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OPCODE_CLOSE = 0x8
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OPCODE_PING = 0x9
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OPCODE_PONG = 0xA
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class WebSocketException(Exception):
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pass
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class WebSocketTimeoutException(WebSocketException):
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pass
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class WebSocketConnectionClosedException(WebSocketException):
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pass
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class WebSocket(object):
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"""
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Minimal RFC 6455 client exposing the websocket-client subset used by sqlmap: settimeout(), connect(),
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send(), recv(), close(), the handshake .status and getheaders()
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"""
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def __init__(self):
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self.sock = None
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self.status = None
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self._headers = {}
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self._timeout = None
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self._buffer = b""
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self._closed = False
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def settimeout(self, timeout):
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self._timeout = timeout
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if self.sock is not None:
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self.sock.settimeout(timeout)
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def connect(self, url, header=None, cookie=None):
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parts = _urllib.parse.urlsplit(url)
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secure = parts.scheme == "wss"
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host = parts.hostname
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port = parts.port or (443 if secure else 80)
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resource = parts.path or "/"
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if parts.query:
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resource += "?%s" % parts.query
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self.sock = socket.create_connection((host, port), timeout=self._timeout)
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if secure:
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self.sock = ssl._create_unverified_context().wrap_socket(self.sock, server_hostname=host)
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self.sock.settimeout(self._timeout)
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hostport = "[%s]" % host if ":" in host else host # bracket IPv6 literals
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if port not in (80, 443):
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hostport = "%s:%d" % (hostport, port)
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key = getText(base64.b64encode(os.urandom(16)))
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lines = ["GET %s HTTP/1.1" % resource,
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"Host: %s" % hostport,
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"Upgrade: websocket",
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"Connection: Upgrade",
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"Sec-WebSocket-Key: %s" % key,
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"Sec-WebSocket-Version: 13"]
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for _ in (header or ()):
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lines.append(_)
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if cookie:
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lines.append("Cookie: %s" % cookie)
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lines.extend(("", ""))
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self.sock.sendall(getBytes("\r\n".join(lines)))
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self._readHandshake(key)
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def _readHandshake(self, key):
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while b"\r\n\r\n" not in self._buffer:
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chunk = self._recvSome()
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if not chunk:
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raise WebSocketException("incomplete WebSocket handshake response")
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self._buffer += chunk
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head, _, self._buffer = self._buffer.partition(b"\r\n\r\n")
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lines = getText(head).split("\r\n")
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try:
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self.status = int(lines[0].split(" ", 2)[1])
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except (IndexError, ValueError):
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raise WebSocketException("malformed WebSocket handshake response")
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for line in lines[1:]:
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name, _, value = line.partition(":")
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self._headers[name.strip().lower()] = value.strip()
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if self.status != 101:
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raise WebSocketException("Handshake status %d" % self.status) # 'Handshake status' is matched in connect.py
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accept = getText(self._headers.get("sec-websocket-accept", ""))
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expected = getText(base64.b64encode(hashlib.sha1(getBytes(key + _GUID)).digest()))
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if accept != expected:
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raise WebSocketException("invalid 'Sec-WebSocket-Accept' in handshake response")
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def getheaders(self):
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return dict(self._headers)
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def send(self, payload, opcode=OPCODE_TEXT):
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self._sendFrame(getBytes(payload), opcode)
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def _sendFrame(self, data, opcode):
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length = len(data)
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frame = bytearray()
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frame.append(0x80 | opcode) # FIN set, single (unfragmented) frame
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if length < 126:
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frame.append(0x80 | length) # client frames must set the mask bit
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elif length < 65536:
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frame.append(0x80 | 126)
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frame += struct.pack("!H", length)
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else:
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frame.append(0x80 | 127)
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frame += struct.pack("!Q", length)
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mask = bytearray(os.urandom(4))
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frame += mask
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payload = bytearray(data)
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for i in range(length):
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payload[i] ^= mask[i % 4]
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frame += payload
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try:
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self.sock.sendall(bytes(frame))
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except socket.timeout:
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raise WebSocketTimeoutException("timed out while sending data")
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except ssl.SSLError as ex:
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if "timed out" in str(ex).lower():
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raise WebSocketTimeoutException("timed out while sending data")
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raise
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def recv(self):
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data = bytearray()
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while True:
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fin, opcode, payload = self._recvFrame()
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if opcode == OPCODE_CLOSE:
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self._closed = True
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raise WebSocketConnectionClosedException("WebSocket connection closed")
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elif opcode == OPCODE_PING:
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self._sendFrame(bytes(payload), OPCODE_PONG)
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continue
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elif opcode == OPCODE_PONG:
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continue
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data += payload
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if fin:
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break
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return getText(bytes(data))
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def _recvFrame(self):
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header = bytearray(self._readStrict(2))
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fin = (header[0] >> 7) & 1
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opcode = header[0] & 0x0F
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masked = (header[1] >> 7) & 1
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length = header[1] & 0x7F
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if length == 126:
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length = struct.unpack("!H", self._readStrict(2))[0]
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elif length == 127:
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length = struct.unpack("!Q", self._readStrict(8))[0]
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mask = bytearray(self._readStrict(4)) if masked else None
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payload = bytearray(self._readStrict(length))
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if mask is not None: # servers must not mask, but unmask defensively
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for i in range(length):
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payload[i] ^= mask[i % 4]
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return fin, opcode, payload
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def _readStrict(self, count):
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while len(self._buffer) < count:
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chunk = self._recvSome()
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if not chunk:
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raise WebSocketConnectionClosedException("WebSocket connection closed")
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self._buffer += chunk
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result, self._buffer = self._buffer[:count], self._buffer[count:]
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return result
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def _recvSome(self):
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try:
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return self.sock.recv(8192)
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except socket.timeout:
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raise WebSocketTimeoutException("timed out while receiving data")
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except ssl.SSLError as ex:
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# Python 2 raises ssl.SSLError('The read operation timed out') instead of socket.timeout on a
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# TLS read timeout - which is exactly sqlmap's normal "read frames until timeout" path over wss
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if "timed out" in str(ex).lower():
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raise WebSocketTimeoutException("timed out while receiving data")
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raise
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def close(self):
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if self.sock is not None:
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try:
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if not self._closed:
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self._sendFrame(struct.pack("!H", 1000), OPCODE_CLOSE) # normal closure
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except (socket.error, WebSocketException):
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pass
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try:
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self.sock.close()
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except socket.error:
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pass
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self.sock = None
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@ -83,17 +83,6 @@ def checkDependencies():
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logger.warning(warnMsg)
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missing_libraries.add('python-impacket')
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try:
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__import__("websocket._abnf")
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debugMsg = "'websocket-client' library is found"
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logger.debug(debugMsg)
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except ImportError:
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warnMsg = "sqlmap requires 'websocket-client' third-party library "
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warnMsg += "if you plan to attack a web application using WebSocket. "
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warnMsg += "Download from 'https://pypi.python.org/pypi/websocket-client/'"
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logger.warning(warnMsg)
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missing_libraries.add('websocket-client')
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try:
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__import__("tkinter")
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debugMsg = "'tkinter' library is found"
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