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#!/usr/bin/env python
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"""
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Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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pass
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@ -1,446 +0,0 @@
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#!/usr/bin/env python
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"""
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Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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import codecs
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import gzip
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import io
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import logging
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import re
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import struct
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import zlib
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from lib.core.common import Backend
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from lib.core.common import extractErrorMessage
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from lib.core.common import extractRegexResult
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from lib.core.common import filterNone
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from lib.core.common import getPublicTypeMembers
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from lib.core.common import getSafeExString
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from lib.core.common import isListLike
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from lib.core.common import randomStr
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from lib.core.common import readInput
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from lib.core.common import resetCookieJar
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from lib.core.common import singleTimeLogMessage
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from lib.core.common import singleTimeWarnMessage
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from lib.core.common import unArrayizeValue
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from lib.core.convert import decodeHex
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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 lib.core.convert import getUnicode
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.decorators import cachedmethod
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from lib.core.decorators import lockedmethod
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from lib.core.dicts import HTML_ENTITIES
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from lib.core.enums import DBMS
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from lib.core.enums import HTTP_HEADER
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from lib.core.enums import PLACE
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from lib.core.exception import SqlmapCompressionException
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from lib.core.settings import BLOCKED_IP_REGEX
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from lib.core.settings import DEFAULT_COOKIE_DELIMITER
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from lib.core.settings import EVENTVALIDATION_REGEX
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from lib.core.settings import HEURISTIC_PAGE_SIZE_THRESHOLD
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from lib.core.settings import IDENTYWAF_PARSE_LIMIT
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from lib.core.settings import MAX_CONNECTION_TOTAL_SIZE
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from lib.core.settings import META_CHARSET_REGEX
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from lib.core.settings import PARSE_HEADERS_LIMIT
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from lib.core.settings import PRINTABLE_BYTES
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from lib.core.settings import SELECT_FROM_TABLE_REGEX
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from lib.core.settings import UNICODE_ENCODING
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from lib.core.settings import VIEWSTATE_REGEX
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from lib.parse.headers import headersParser
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from lib.parse.html import htmlParser
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from thirdparty import six
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from thirdparty.chardet import detect
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from thirdparty.identywaf import identYwaf
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from thirdparty.odict import OrderedDict
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from thirdparty.six import unichr as _unichr
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from thirdparty.six.moves import http_client as _http_client
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@lockedmethod
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def forgeHeaders(items=None, base=None):
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"""
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Prepare HTTP Cookie, HTTP User-Agent and HTTP Referer headers to use when performing
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the HTTP requests
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"""
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items = items or {}
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for _ in list(items.keys()):
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if items[_] is None:
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del items[_]
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headers = OrderedDict(conf.httpHeaders if base is None else base)
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headers.update(items.items())
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class _str(str):
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def capitalize(self):
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return _str(self)
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def title(self):
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return _str(self)
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_ = headers
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headers = OrderedDict()
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for key, value in _.items():
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success = False
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for _ in headers:
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if _.upper() == key.upper():
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del headers[_]
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break
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if key.upper() not in (_.upper() for _ in getPublicTypeMembers(HTTP_HEADER, True)):
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try:
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headers[_str(key)] = value # dirty hack for http://bugs.python.org/issue12455
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except UnicodeEncodeError: # don't do the hack on non-ASCII header names (they have to be properly encoded later on)
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pass
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else:
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success = True
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if not success:
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key = '-'.join(_.capitalize() for _ in key.split('-'))
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headers[key] = value
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if conf.cj:
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if HTTP_HEADER.COOKIE in headers:
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for cookie in conf.cj:
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if cookie is None or cookie.domain_specified and not (conf.hostname or "").endswith(cookie.domain):
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continue
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if ("%s=" % getUnicode(cookie.name)) in getUnicode(headers[HTTP_HEADER.COOKIE]):
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if conf.loadCookies:
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conf.httpHeaders = filterNone((item if item[0] != HTTP_HEADER.COOKIE else None) for item in conf.httpHeaders)
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elif kb.mergeCookies is None:
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message = "you provided a HTTP %s header value, while " % HTTP_HEADER.COOKIE
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message += "target URL provides its own cookies within "
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message += "HTTP %s header which intersect with yours. " % HTTP_HEADER.SET_COOKIE
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message += "Do you want to merge them in further requests? [Y/n] "
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kb.mergeCookies = readInput(message, default='Y', boolean=True)
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if kb.mergeCookies and kb.injection.place != PLACE.COOKIE:
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def _(value):
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return re.sub(r"(?i)\b%s=[^%s]+" % (re.escape(getUnicode(cookie.name)), conf.cookieDel or DEFAULT_COOKIE_DELIMITER), ("%s=%s" % (getUnicode(cookie.name), getUnicode(cookie.value))).replace('\\', r'\\'), value)
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headers[HTTP_HEADER.COOKIE] = _(headers[HTTP_HEADER.COOKIE])
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if PLACE.COOKIE in conf.parameters:
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conf.parameters[PLACE.COOKIE] = _(conf.parameters[PLACE.COOKIE])
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conf.httpHeaders = [(item[0], item[1] if item[0] != HTTP_HEADER.COOKIE else _(item[1])) for item in conf.httpHeaders]
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elif not kb.testMode:
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headers[HTTP_HEADER.COOKIE] += "%s %s=%s" % (conf.cookieDel or DEFAULT_COOKIE_DELIMITER, getUnicode(cookie.name), getUnicode(cookie.value))
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if kb.testMode and not any((conf.csrfToken, conf.safeUrl)):
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resetCookieJar(conf.cj)
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return headers
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def parseResponse(page, headers, status=None):
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"""
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@param page: the page to parse to feed the knowledge base htmlFp
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(back-end DBMS fingerprint based upon DBMS error messages return
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through the web application) list and absFilePaths (absolute file
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paths) set.
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"""
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if headers:
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headersParser(headers)
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if page:
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htmlParser(page if not status else "%s\n\n%s" % (status, page))
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@cachedmethod
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def checkCharEncoding(encoding, warn=True):
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"""
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Checks encoding name, repairs common misspellings and adjusts to
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proper namings used in codecs module
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>>> checkCharEncoding('iso-8858', False)
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'iso8859-1'
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>>> checkCharEncoding('en_us', False)
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'utf8'
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"""
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if isinstance(encoding, six.binary_type):
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encoding = getUnicode(encoding)
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if isListLike(encoding):
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encoding = unArrayizeValue(encoding)
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if encoding:
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encoding = encoding.lower()
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else:
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return encoding
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# Reference: http://www.destructor.de/charsets/index.htm
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translate = {"windows-874": "iso-8859-11", "utf-8859-1": "utf8", "en_us": "utf8", "macintosh": "iso-8859-1", "euc_tw": "big5_tw", "th": "tis-620", "unicode": "utf8", "utc8": "utf8", "ebcdic": "ebcdic-cp-be", "iso-8859": "iso8859-1", "iso-8859-0": "iso8859-1", "ansi": "ascii", "gbk2312": "gbk", "windows-31j": "cp932", "en": "us"}
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for delimiter in (';', ',', '('):
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if delimiter in encoding:
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encoding = encoding[:encoding.find(delimiter)].strip()
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encoding = encoding.replace(""", "")
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# popular typos/errors
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if "8858" in encoding:
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encoding = encoding.replace("8858", "8859") # iso-8858 -> iso-8859
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elif "8559" in encoding:
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encoding = encoding.replace("8559", "8859") # iso-8559 -> iso-8859
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elif "8895" in encoding:
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encoding = encoding.replace("8895", "8859") # iso-8895 -> iso-8859
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elif "5889" in encoding:
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encoding = encoding.replace("5889", "8859") # iso-5889 -> iso-8859
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elif "5589" in encoding:
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encoding = encoding.replace("5589", "8859") # iso-5589 -> iso-8859
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elif "2313" in encoding:
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encoding = encoding.replace("2313", "2312") # gb2313 -> gb2312
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elif encoding.startswith("x-"):
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encoding = encoding[len("x-"):] # x-euc-kr -> euc-kr / x-mac-turkish -> mac-turkish
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elif "windows-cp" in encoding:
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encoding = encoding.replace("windows-cp", "windows") # windows-cp-1254 -> windows-1254
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# name adjustment for compatibility
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if encoding.startswith("8859"):
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encoding = "iso-%s" % encoding
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elif encoding.startswith("cp-"):
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encoding = "cp%s" % encoding[3:]
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elif encoding.startswith("euc-"):
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encoding = "euc_%s" % encoding[4:]
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elif encoding.startswith("windows") and not encoding.startswith("windows-"):
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encoding = "windows-%s" % encoding[7:]
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elif encoding.find("iso-88") > 0:
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encoding = encoding[encoding.find("iso-88"):]
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elif encoding.startswith("is0-"):
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encoding = "iso%s" % encoding[4:]
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elif encoding.find("ascii") > 0:
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encoding = "ascii"
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elif encoding.find("utf8") > 0:
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encoding = "utf8"
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elif encoding.find("utf-8") > 0:
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encoding = "utf-8"
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# Reference: http://philip.html5.org/data/charsets-2.html
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if encoding in translate:
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encoding = translate[encoding]
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elif encoding in ("null", "{charset}", "charset", "*") or not re.search(r"\w", encoding):
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return None
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# Reference: http://www.iana.org/assignments/character-sets
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# Reference: http://docs.python.org/library/codecs.html
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try:
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codecs.lookup(encoding)
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except:
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encoding = None
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if encoding:
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try:
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six.text_type(getBytes(randomStr()), encoding)
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except:
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if warn:
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warnMsg = "invalid web page charset '%s'" % encoding
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singleTimeLogMessage(warnMsg, logging.WARN, encoding)
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encoding = None
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return encoding
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def getHeuristicCharEncoding(page):
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"""
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Returns page encoding charset detected by usage of heuristics
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Reference: https://chardet.readthedocs.io/en/latest/usage.html
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>>> getHeuristicCharEncoding(b"<html></html>")
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'ascii'
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"""
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key = hash(page)
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retVal = kb.cache.encoding[key] if key in kb.cache.encoding else detect(page[:HEURISTIC_PAGE_SIZE_THRESHOLD])["encoding"]
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kb.cache.encoding[key] = retVal
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if retVal and retVal.lower().replace('-', "") == UNICODE_ENCODING.lower().replace('-', ""):
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infoMsg = "heuristics detected web page charset '%s'" % retVal
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singleTimeLogMessage(infoMsg, logging.INFO, retVal)
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return retVal
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def decodePage(page, contentEncoding, contentType, percentDecode=True):
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"""
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Decode compressed/charset HTTP response
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>>> getText(decodePage(b"<html>foo&bar</html>", None, "text/html; charset=utf-8"))
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'<html>foo&bar</html>'
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>>> getText(decodePage(b"	", None, "text/html; charset=utf-8"))
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'\\t'
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"""
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if not page or (conf.nullConnection and len(page) < 2):
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return getUnicode(page)
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contentEncoding = contentEncoding.lower() if hasattr(contentEncoding, "lower") else ""
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contentType = contentType.lower() if hasattr(contentType, "lower") else ""
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if contentEncoding in ("gzip", "x-gzip", "deflate"):
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if not kb.pageCompress:
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return None
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try:
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if contentEncoding == "deflate":
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data = io.BytesIO(zlib.decompress(page, -15)) # Reference: http://stackoverflow.com/questions/1089662/python-inflate-and-deflate-implementations
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else:
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data = gzip.GzipFile("", "rb", 9, io.BytesIO(page))
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size = struct.unpack("<l", page[-4:])[0] # Reference: http://pydoc.org/get.cgi/usr/local/lib/python2.5/gzip.py
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if size > MAX_CONNECTION_TOTAL_SIZE:
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raise Exception("size too large")
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page = data.read()
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except Exception as ex:
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if b"<html" not in page: # in some cases, invalid "Content-Encoding" appears for plain HTML (should be ignored)
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errMsg = "detected invalid data for declared content "
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errMsg += "encoding '%s' ('%s')" % (contentEncoding, getSafeExString(ex))
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singleTimeLogMessage(errMsg, logging.ERROR)
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warnMsg = "turning off page compression"
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singleTimeWarnMessage(warnMsg)
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kb.pageCompress = False
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raise SqlmapCompressionException
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if not conf.encoding:
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httpCharset, metaCharset = None, None
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# Reference: http://stackoverflow.com/questions/1020892/python-urllib2-read-to-unicode
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if contentType.find("charset=") != -1:
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httpCharset = checkCharEncoding(contentType.split("charset=")[-1])
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metaCharset = checkCharEncoding(extractRegexResult(META_CHARSET_REGEX, page))
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if (any((httpCharset, metaCharset)) and (not all((httpCharset, metaCharset)) or isinstance(page, six.binary_type) and all(_ in PRINTABLE_BYTES for _ in page))) or (httpCharset == metaCharset and all((httpCharset, metaCharset))):
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kb.pageEncoding = httpCharset or metaCharset # Reference: http://bytes.com/topic/html-css/answers/154758-http-equiv-vs-true-header-has-precedence
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debugMsg = "declared web page charset '%s'" % kb.pageEncoding
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singleTimeLogMessage(debugMsg, logging.DEBUG, debugMsg)
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else:
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kb.pageEncoding = None
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else:
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kb.pageEncoding = conf.encoding
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# can't do for all responses because we need to support binary files too
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if isinstance(page, six.binary_type) and "text/" in contentType:
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if not kb.disableHtmlDecoding:
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# e.g. 	Ãëàâà
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if b"&#" in page:
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page = re.sub(b"&#x([0-9a-f]{1,2});", lambda _: decodeHex(_.group(1) if len(_.group(1)) == 2 else b"0%s" % _.group(1)), page)
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page = re.sub(b"&#(\\d{1,3});", lambda _: six.int2byte(int(_.group(1))) if int(_.group(1)) < 256 else _.group(0), page)
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# e.g. %20%28%29
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if percentDecode:
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if b"%" in page:
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page = re.sub(b"%([0-9a-f]{2})", lambda _: decodeHex(_.group(1)), page)
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page = re.sub(b"%([0-9A-F]{2})", lambda _: decodeHex(_.group(1)), page) # Note: %DeepSee_SQL in CACHE
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|
||||||
# e.g. &
|
|
||||||
page = re.sub(b"&([^;]+);", lambda _: six.int2byte(HTML_ENTITIES[getText(_.group(1))]) if HTML_ENTITIES.get(getText(_.group(1)), 256) < 256 else _.group(0), page)
|
|
||||||
|
|
||||||
kb.pageEncoding = kb.pageEncoding or checkCharEncoding(getHeuristicCharEncoding(page))
|
|
||||||
|
|
||||||
if (kb.pageEncoding or "").lower() == "utf-8-sig":
|
|
||||||
kb.pageEncoding = "utf-8"
|
|
||||||
if page and page.startswith(b"\xef\xbb\xbf"): # Reference: https://docs.python.org/2/library/codecs.html (Note: noticed problems when "utf-8-sig" is left to Python for handling)
|
|
||||||
page = page[3:]
|
|
||||||
|
|
||||||
page = getUnicode(page, kb.pageEncoding)
|
|
||||||
|
|
||||||
# e.g. ’…™
|
|
||||||
if "&#" in page:
|
|
||||||
def _(match):
|
|
||||||
retVal = match.group(0)
|
|
||||||
try:
|
|
||||||
retVal = _unichr(int(match.group(1)))
|
|
||||||
except (ValueError, OverflowError):
|
|
||||||
pass
|
|
||||||
return retVal
|
|
||||||
page = re.sub(r"&#(\d+);", _, page)
|
|
||||||
|
|
||||||
# e.g. ζ
|
|
||||||
page = re.sub(r"&([^;]+);", lambda _: _unichr(HTML_ENTITIES[_.group(1)]) if HTML_ENTITIES.get(_.group(1), 0) > 255 else _.group(0), page)
|
|
||||||
else:
|
|
||||||
page = getUnicode(page, kb.pageEncoding)
|
|
||||||
|
|
||||||
return page
|
|
||||||
|
|
||||||
def processResponse(page, responseHeaders, code=None, status=None):
|
|
||||||
kb.processResponseCounter += 1
|
|
||||||
page = page or ""
|
|
||||||
|
|
||||||
parseResponse(page, responseHeaders if kb.processResponseCounter < PARSE_HEADERS_LIMIT else None, status)
|
|
||||||
|
|
||||||
if not kb.tableFrom and Backend.getIdentifiedDbms() in (DBMS.ACCESS,):
|
|
||||||
kb.tableFrom = extractRegexResult(SELECT_FROM_TABLE_REGEX, page)
|
|
||||||
else:
|
|
||||||
kb.tableFrom = None
|
|
||||||
|
|
||||||
if conf.parseErrors:
|
|
||||||
msg = extractErrorMessage(page)
|
|
||||||
|
|
||||||
if msg:
|
|
||||||
logger.warning("parsed DBMS error message: '%s'" % msg.rstrip('.'))
|
|
||||||
|
|
||||||
if not conf.skipWaf and kb.processResponseCounter < IDENTYWAF_PARSE_LIMIT:
|
|
||||||
rawResponse = "%s %s %s\n%s\n%s" % (_http_client.HTTPConnection._http_vsn_str, code or "", status or "", "".join(getUnicode(responseHeaders.headers if responseHeaders else [])), page[:HEURISTIC_PAGE_SIZE_THRESHOLD])
|
|
||||||
|
|
||||||
with kb.locks.identYwaf:
|
|
||||||
identYwaf.non_blind.clear()
|
|
||||||
if identYwaf.non_blind_check(rawResponse, silent=True):
|
|
||||||
for waf in set(identYwaf.non_blind):
|
|
||||||
if waf not in kb.identifiedWafs:
|
|
||||||
kb.identifiedWafs.add(waf)
|
|
||||||
errMsg = "WAF/IPS identified as '%s'" % identYwaf.format_name(waf)
|
|
||||||
singleTimeLogMessage(errMsg, logging.CRITICAL)
|
|
||||||
|
|
||||||
if kb.originalPage is None:
|
|
||||||
for regex in (EVENTVALIDATION_REGEX, VIEWSTATE_REGEX):
|
|
||||||
match = re.search(regex, page)
|
|
||||||
if match and PLACE.POST in conf.parameters:
|
|
||||||
name, value = match.groups()
|
|
||||||
if PLACE.POST in conf.paramDict and name in conf.paramDict[PLACE.POST]:
|
|
||||||
if conf.paramDict[PLACE.POST][name] in page:
|
|
||||||
continue
|
|
||||||
else:
|
|
||||||
msg = "do you want to automatically adjust the value of '%s'? [y/N]" % name
|
|
||||||
|
|
||||||
if not readInput(msg, default='N', boolean=True):
|
|
||||||
continue
|
|
||||||
|
|
||||||
conf.paramDict[PLACE.POST][name] = value
|
|
||||||
conf.parameters[PLACE.POST] = re.sub(r"(?i)(%s=)[^&]+" % re.escape(name), r"\g<1>%s" % value.replace('\\', r'\\'), conf.parameters[PLACE.POST])
|
|
||||||
|
|
||||||
if not kb.browserVerification and re.search(r"(?i)browser.?verification", page or ""):
|
|
||||||
kb.browserVerification = True
|
|
||||||
warnMsg = "potential browser verification protection mechanism detected"
|
|
||||||
if re.search(r"(?i)CloudFlare", page):
|
|
||||||
warnMsg += " (CloudFlare)"
|
|
||||||
singleTimeWarnMessage(warnMsg)
|
|
||||||
|
|
||||||
if not kb.captchaDetected and re.search(r"(?i)captcha", page or ""):
|
|
||||||
for match in re.finditer(r"(?si)<form.+?</form>", page):
|
|
||||||
if re.search(r"(?i)captcha", match.group(0)):
|
|
||||||
kb.captchaDetected = True
|
|
||||||
break
|
|
||||||
|
|
||||||
if re.search(r"<meta[^>]+\brefresh\b[^>]+\bcaptcha\b", page):
|
|
||||||
kb.captchaDetected = True
|
|
||||||
|
|
||||||
if kb.captchaDetected:
|
|
||||||
warnMsg = "potential CAPTCHA protection mechanism detected"
|
|
||||||
if re.search(r"(?i)<title>[^<]*CloudFlare", page):
|
|
||||||
warnMsg += " (CloudFlare)"
|
|
||||||
singleTimeWarnMessage(warnMsg)
|
|
||||||
|
|
||||||
if re.search(BLOCKED_IP_REGEX, page):
|
|
||||||
warnMsg = "it appears that you have been blocked by the target server"
|
|
||||||
singleTimeWarnMessage(warnMsg)
|
|
||||||
Loading…
Reference in new issue