#!/usr/bin/env python
"""
Copyright (c) 2006-2015 sqlmap developers (http://sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""
import codecs
import contextlib
import cookielib
import copy
import getpass
import hashlib
import httplib
import inspect
import json
import locale
import logging
import ntpath
import os
import posixpath
import random
import re
import socket
import string
import sys
import tempfile
import time
import urllib
import urllib2
import urlparse
import unicodedata
from ConfigParser import DEFAULTSECT
from ConfigParser import RawConfigParser
from StringIO import StringIO
from difflib import SequenceMatcher
from math import sqrt
from optparse import OptionValueError
from subprocess import PIPE
from subprocess import Popen as execute
from xml.dom import minidom
from xml.sax import parse
from xml.sax import SAXParseException
from extra.beep.beep import beep
from extra.cloak.cloak import decloak
from extra.safe2bin.safe2bin import safecharencode
from lib.core.bigarray import BigArray
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import paths
from lib.core.convert import base64pickle
from lib.core.convert import base64unpickle
from lib.core.convert import hexdecode
from lib.core.convert import htmlunescape
from lib.core.convert import stdoutencode
from lib.core.convert import unicodeencode
from lib.core.convert import utf8encode
from lib.core.decorators import cachedmethod
from lib.core.defaults import defaults
from lib.core.dicts import DBMS_DICT
from lib.core.dicts import DEFAULT_DOC_ROOTS
from lib.core.dicts import DEPRECATED_OPTIONS
from lib.core.dicts import SQL_STATEMENTS
from lib.core.enums import ADJUST_TIME_DELAY
from lib.core.enums import CONTENT_STATUS
from lib.core.enums import CHARSET_TYPE
from lib.core.enums import DBMS
from lib.core.enums import EXPECTED
from lib.core.enums import HEURISTIC_TEST
from lib.core.enums import HTTP_HEADER
from lib.core.enums import HTTPMETHOD
from lib.core.enums import OS
from lib.core.enums import PLACE
from lib.core.enums import PAYLOAD
from lib.core.enums import REFLECTIVE_COUNTER
from lib.core.enums import SORT_ORDER
from lib.core.exception import SqlmapDataException
from lib.core.exception import SqlmapGenericException
from lib.core.exception import SqlmapNoneDataException
from lib.core.exception import SqlmapInstallationException
from lib.core.exception import SqlmapMissingDependence
from lib.core.exception import SqlmapSilentQuitException
from lib.core.exception import SqlmapSyntaxException
from lib.core.exception import SqlmapSystemException
from lib.core.exception import SqlmapUserQuitException
from lib.core.log import LOGGER_HANDLER
from lib.core.optiondict import optDict
from lib.core.settings import BANNER
from lib.core.settings import BOLD_PATTERNS
from lib.core.settings import BRUTE_DOC_ROOT_PREFIXES
from lib.core.settings import BRUTE_DOC_ROOT_SUFFIXES
from lib.core.settings import BRUTE_DOC_ROOT_TARGET_MARK
from lib.core.settings import CUSTOM_INJECTION_MARK_CHAR
from lib.core.settings import DBMS_DIRECTORY_DICT
from lib.core.settings import DEFAULT_COOKIE_DELIMITER
from lib.core.settings import DEFAULT_GET_POST_DELIMITER
from lib.core.settings import DEFAULT_MSSQL_SCHEMA
from lib.core.settings import DUMMY_USER_INJECTION
from lib.core.settings import DYNAMICITY_MARK_LENGTH
from lib.core.settings import ERROR_PARSING_REGEXES
from lib.core.settings import FORCE_COOKIE_EXPIRATION_TIME
from lib.core.settings import FORM_SEARCH_REGEX
from lib.core.settings import GENERIC_DOC_ROOT_DIRECTORY_NAMES
from lib.core.settings import GIT_PAGE
from lib.core.settings import GITHUB_REPORT_OAUTH_TOKEN
from lib.core.settings import GOOGLE_ANALYTICS_COOKIE_PREFIX
from lib.core.settings import HASHDB_MILESTONE_VALUE
from lib.core.settings import HOST_ALIASES
from lib.core.settings import INFERENCE_UNKNOWN_CHAR
from lib.core.settings import INVALID_UNICODE_CHAR_FORMAT
from lib.core.settings import IP_ADDRESS_REGEX
from lib.core.settings import ISSUES_PAGE
from lib.core.settings import IS_WIN
from lib.core.settings import LARGE_OUTPUT_THRESHOLD
from lib.core.settings import MIN_ENCODED_LEN_CHECK
from lib.core.settings import MIN_TIME_RESPONSES
from lib.core.settings import MIN_VALID_DELAYED_RESPONSE
from lib.core.settings import NETSCAPE_FORMAT_HEADER_COOKIES
from lib.core.settings import NULL
from lib.core.settings import PARAMETER_AMP_MARKER
from lib.core.settings import PARAMETER_SEMICOLON_MARKER
from lib.core.settings import PARTIAL_HEX_VALUE_MARKER
from lib.core.settings import PARTIAL_VALUE_MARKER
from lib.core.settings import PAYLOAD_DELIMITER
from lib.core.settings import PLATFORM
from lib.core.settings import PRINTABLE_CHAR_REGEX
from lib.core.settings import PYVERSION
from lib.core.settings import REFERER_ALIASES
from lib.core.settings import REFLECTED_BORDER_REGEX
from lib.core.settings import REFLECTED_MAX_REGEX_PARTS
from lib.core.settings import REFLECTED_REPLACEMENT_REGEX
from lib.core.settings import REFLECTED_VALUE_MARKER
from lib.core.settings import REFLECTIVE_MISS_THRESHOLD
from lib.core.settings import SENSITIVE_DATA_REGEX
from lib.core.settings import SUPPORTED_DBMS
from lib.core.settings import TEXT_TAG_REGEX
from lib.core.settings import TIME_STDEV_COEFF
from lib.core.settings import UNICODE_ENCODING
from lib.core.settings import UNKNOWN_DBMS_VERSION
from lib.core.settings import URI_QUESTION_MARKER
from lib.core.settings import URLENCODE_CHAR_LIMIT
from lib.core.settings import URLENCODE_FAILSAFE_CHARS
from lib.core.settings import USER_AGENT_ALIASES
from lib.core.settings import VERSION_STRING
from lib.core.threads import getCurrentThreadData
from lib.utils.sqlalchemy import _sqlalchemy
from thirdparty.clientform.clientform import ParseResponse
from thirdparty.clientform.clientform import ParseError
from thirdparty.magic import magic
from thirdparty.odict.odict import OrderedDict
from thirdparty.termcolor.termcolor import colored
class UnicodeRawConfigParser(RawConfigParser):
"""
RawConfigParser with unicode writing support
"""
def write(self, fp):
"""
Write an .ini-format representation of the configuration state.
"""
if self._defaults:
fp.write("[%s]\n" % DEFAULTSECT)
for (key, value) in self._defaults.items():
fp.write("%s = %s\n" % (key, getUnicode(value, UNICODE_ENCODING).replace('\n', '\n\t')))
fp.write("\n")
for section in self._sections:
fp.write("[%s]\n" % section)
for (key, value) in self._sections[section].items():
if key != "__name__":
if value is None:
fp.write("%s\n" % (key))
else:
fp.write("%s = %s\n" % (key, getUnicode(value, UNICODE_ENCODING).replace('\n', '\n\t')))
fp.write("\n")
class Format(object):
@staticmethod
def humanize(values, chain=" or "):
return chain.join(values)
# Get methods
@staticmethod
def getDbms(versions=None):
"""
Format the back-end DBMS fingerprint value and return its
values formatted as a human readable string.
@return: detected back-end DBMS based upon fingerprint techniques.
@rtype: C{str}
"""
if versions is None and Backend.getVersionList():
versions = Backend.getVersionList()
return Backend.getDbms() if versions is None else "%s %s" % (Backend.getDbms(), " and ".join(v for v in versions))
@staticmethod
def getErrorParsedDBMSes():
"""
Parses the knowledge base htmlFp list and return its values
formatted as a human readable string.
@return: list of possible back-end DBMS based upon error messages
parsing.
@rtype: C{str}
"""
htmlParsed = None
if len(kb.htmlFp) == 0 or kb.heuristicTest != HEURISTIC_TEST.POSITIVE:
pass
elif len(kb.htmlFp) == 1:
htmlParsed = kb.htmlFp[0]
elif len(kb.htmlFp) > 1:
htmlParsed = " or ".join(kb.htmlFp)
return htmlParsed
@staticmethod
def getOs(target, info):
"""
Formats the back-end operating system fingerprint value
and return its values formatted as a human readable string.
Example of info (kb.headersFp) dictionary:
{
'distrib': set(['Ubuntu']),
'type': set(['Linux']),
'technology': set(['PHP 5.2.6', 'Apache 2.2.9']),
'release': set(['8.10'])
}
Example of info (kb.bannerFp) dictionary:
{
'sp': set(['Service Pack 4']),
'dbmsVersion': '8.00.194',
'dbmsServicePack': '0',
'distrib': set(['2000']),
'dbmsRelease': '2000',
'type': set(['Windows'])
}
@return: detected back-end operating system based upon fingerprint
techniques.
@rtype: C{str}
"""
infoStr = ""
infoApi = {}
if info and "type" in info:
if hasattr(conf, "api"):
infoApi["%s operating system" % target] = info
else:
infoStr += "%s operating system: %s" % (target, Format.humanize(info["type"]))
if "distrib" in info:
infoStr += " %s" % Format.humanize(info["distrib"])
if "release" in info:
infoStr += " %s" % Format.humanize(info["release"])
if "sp" in info:
infoStr += " %s" % Format.humanize(info["sp"])
if "codename" in info:
infoStr += " (%s)" % Format.humanize(info["codename"])
if "technology" in info:
if hasattr(conf, "api"):
infoApi["web application technology"] = Format.humanize(info["technology"], ", ")
else:
infoStr += "\nweb application technology: %s" % Format.humanize(info["technology"], ", ")
if hasattr(conf, "api"):
return infoApi
else:
return infoStr.lstrip()
class Backend:
# Set methods
@staticmethod
def setDbms(dbms):
dbms = aliasToDbmsEnum(dbms)
if dbms is None:
return None
# Little precaution, in theory this condition should always be false
elif kb.dbms is not None and kb.dbms != dbms:
warnMsg = "there seems to be a high probability that "
warnMsg += "this could be a false positive case"
logger.warn(warnMsg)
msg = "sqlmap previously fingerprinted back-end DBMS as "
msg += "%s. However now it has been fingerprinted " % kb.dbms
msg += "as %s. " % dbms
msg += "Please, specify which DBMS should be "
msg += "correct [%s (default)/%s] " % (kb.dbms, dbms)
while True:
_ = readInput(msg, default=kb.dbms)
if aliasToDbmsEnum(_) == kb.dbms:
break
elif aliasToDbmsEnum(_) == dbms:
kb.dbms = aliasToDbmsEnum(_)
break
else:
warnMsg = "invalid value"
logger.warn(warnMsg)
elif kb.dbms is None:
kb.dbms = aliasToDbmsEnum(dbms)
return kb.dbms
@staticmethod
def setVersion(version):
if isinstance(version, basestring):
kb.dbmsVersion = [version]
return kb.dbmsVersion
@staticmethod
def setVersionList(versionsList):
if isinstance(versionsList, list):
kb.dbmsVersion = versionsList
elif isinstance(versionsList, basestring):
Backend.setVersion(versionsList)
else:
logger.error("invalid format of versionsList")
@staticmethod
def forceDbms(dbms, sticky=False):
if not kb.stickyDBMS:
kb.forcedDbms = aliasToDbmsEnum(dbms)
kb.stickyDBMS = sticky
@staticmethod
def flushForcedDbms(force=False):
if not kb.stickyDBMS or force:
kb.forcedDbms = None
kb.stickyDBMS = False
@staticmethod
def setOs(os):
if os is None:
return None
# Little precaution, in theory this condition should always be false
elif kb.os is not None and isinstance(os, basestring) and kb.os.lower() != os.lower():
msg = "sqlmap previously fingerprinted back-end DBMS "
msg += "operating system %s. However now it has " % kb.os
msg += "been fingerprinted to be %s. " % os
msg += "Please, specify which OS is "
msg += "correct [%s (default)/%s] " % (kb.os, os)
while True:
_ = readInput(msg, default=kb.os)
if _ == kb.os:
break
elif _ == os:
kb.os = _.capitalize()
break
else:
warnMsg = "invalid value"
logger.warn(warnMsg)
elif kb.os is None and isinstance(os, basestring):
kb.os = os.capitalize()
return kb.os
@staticmethod
def setOsVersion(version):
if version is None:
return None
elif kb.osVersion is None and isinstance(version, basestring):
kb.osVersion = version
@staticmethod
def setOsServicePack(sp):
if sp is None:
return None
elif kb.osSP is None and isinstance(sp, int):
kb.osSP = sp
@staticmethod
def setArch():
msg = "what is the back-end database management system architecture?"
msg += "\n[1] 32-bit (default)"
msg += "\n[2] 64-bit"
while True:
_ = readInput(msg, default='1')
if isinstance(_, basestring) and _.isdigit() and int(_) in (1, 2):
kb.arch = 32 if int(_) == 1 else 64
break
else:
warnMsg = "invalid value. Valid values are 1 and 2"
logger.warn(warnMsg)
return kb.arch
# Get methods
@staticmethod
def getForcedDbms():
return aliasToDbmsEnum(kb.get("forcedDbms"))
@staticmethod
def getDbms():
return aliasToDbmsEnum(kb.get("dbms"))
@staticmethod
def getErrorParsedDBMSes():
"""
Returns array with parsed DBMS names till now
This functions is called to:
1. Ask user whether or not skip specific DBMS tests in detection phase,
lib/controller/checks.py - detection phase.
2. Sort the fingerprint of the DBMS, lib/controller/handler.py -
fingerprint phase.
"""
return kb.htmlFp if kb.get("heuristicTest") == HEURISTIC_TEST.POSITIVE else []
@staticmethod
def getIdentifiedDbms():
"""
This functions is called to:
1. Sort the tests, getSortedInjectionTests() - detection phase.
2. Etc.
"""
dbms = None
if not kb:
pass
elif Backend.getForcedDbms() is not None:
dbms = Backend.getForcedDbms()
elif Backend.getDbms() is not None:
dbms = Backend.getDbms()
elif kb.get("injection") and kb.injection.dbms:
dbms = unArrayizeValue(kb.injection.dbms)
elif Backend.getErrorParsedDBMSes():
dbms = unArrayizeValue(Backend.getErrorParsedDBMSes())
elif conf.get("dbms"):
dbms = conf.get("dbms")
return aliasToDbmsEnum(dbms)
@staticmethod
def getVersion():
if len(kb.dbmsVersion) > 0:
return kb.dbmsVersion[0]
else:
return None
@staticmethod
def getVersionList():
if len(kb.dbmsVersion) > 0:
return kb.dbmsVersion
else:
return None
@staticmethod
def getOs():
return kb.os
@staticmethod
def getOsVersion():
return kb.osVersion
@staticmethod
def getOsServicePack():
return kb.osSP
@staticmethod
def getArch():
if kb.arch is None:
Backend.setArch()
return kb.arch
# Comparison methods
@staticmethod
def isDbms(dbms):
if Backend.getDbms() is not None:
return Backend.getDbms() == aliasToDbmsEnum(dbms)
else:
return Backend.getIdentifiedDbms() == aliasToDbmsEnum(dbms)
@staticmethod
def isDbmsWithin(aliases):
return Backend.getDbms() is not None and Backend.getDbms().lower() in aliases
@staticmethod
def isVersion(version):
return Backend.getVersion() is not None and Backend.getVersion() == version
@staticmethod
def isVersionWithin(versionList):
if Backend.getVersionList() is None:
return False
for _ in Backend.getVersionList():
if _ != UNKNOWN_DBMS_VERSION and _ in versionList:
return True
return False
@staticmethod
def isVersionGreaterOrEqualThan(version):
return Backend.getVersion() is not None and str(Backend.getVersion()) >= str(version)
@staticmethod
def isOs(os):
return Backend.getOs() is not None and Backend.getOs().lower() == os.lower()
def paramToDict(place, parameters=None):
"""
Split the parameters into names and values, check if these parameters
are within the testable parameters and return in a dictionary.
"""
testableParameters = OrderedDict()
if place in conf.parameters and not parameters:
parameters = conf.parameters[place]
parameters = re.sub(r"&(\w{1,4});", r"%s\g<1>%s" % (PARAMETER_AMP_MARKER, PARAMETER_SEMICOLON_MARKER), parameters)
if place == PLACE.COOKIE:
splitParams = parameters.split(conf.cookieDel or DEFAULT_COOKIE_DELIMITER)
else:
splitParams = parameters.split(conf.paramDel or DEFAULT_GET_POST_DELIMITER)
for element in splitParams:
element = re.sub(r"%s(.+?)%s" % (PARAMETER_AMP_MARKER, PARAMETER_SEMICOLON_MARKER), r"&\g<1>;", element)
parts = element.split("=")
if len(parts) >= 2:
parameter = urldecode(parts[0].replace(" ", ""))
if not parameter:
continue
if conf.paramDel and conf.paramDel == '\n':
parts[-1] = parts[-1].rstrip()
condition = not conf.testParameter
condition |= conf.testParameter is not None and parameter in conf.testParameter
condition |= place == PLACE.COOKIE and len(intersect((PLACE.COOKIE,), conf.testParameter, True)) > 0
if condition:
testableParameters[parameter] = "=".join(parts[1:])
if not conf.multipleTargets and not (conf.csrfToken and parameter == conf.csrfToken):
_ = urldecode(testableParameters[parameter], convall=True)
if (_.endswith("'") and _.count("'") == 1
or re.search(r'\A9{3,}', _) or re.search(DUMMY_USER_INJECTION, _))\
and not parameter.upper().startswith(GOOGLE_ANALYTICS_COOKIE_PREFIX):
warnMsg = "it appears that you have provided tainted parameter values "
warnMsg += "('%s') with most probably leftover " % element
warnMsg += "chars/statements from manual SQL injection test(s). "
warnMsg += "Please, always use only valid parameter values "
warnMsg += "so sqlmap could be able to run properly"
logger.warn(warnMsg)
message = "are you really sure that you want to continue (sqlmap could have problems)? [y/N] "
test = readInput(message, default="N")
if test[0] not in ("y", "Y"):
raise SqlmapSilentQuitException
elif not _:
warnMsg = "provided value for parameter '%s' is empty. " % parameter
warnMsg += "Please, always use only valid parameter values "
warnMsg += "so sqlmap could be able to run properly"
logger.warn(warnMsg)
if conf.testParameter and not testableParameters:
paramStr = ", ".join(test for test in conf.testParameter)
if len(conf.testParameter) > 1:
warnMsg = "provided parameters '%s' " % paramStr
warnMsg += "are not inside the %s" % place
logger.warn(warnMsg)
else:
parameter = conf.testParameter[0]
if not intersect(USER_AGENT_ALIASES + REFERER_ALIASES + HOST_ALIASES, parameter, True):
debugMsg = "provided parameter '%s' " % paramStr
debugMsg += "is not inside the %s" % place
logger.debug(debugMsg)
elif len(conf.testParameter) != len(testableParameters.keys()):
for parameter in conf.testParameter:
if parameter not in testableParameters:
debugMsg = "provided parameter '%s' " % parameter
debugMsg += "is not inside the %s" % place
logger.debug(debugMsg)
if testableParameters:
for parameter, value in testableParameters.items():
if value and not value.isdigit():
for encoding in ("hex", "base64"):
try:
decoded = value.decode(encoding)
if len(decoded) > MIN_ENCODED_LEN_CHECK and all(_ in string.printable for _ in decoded):
warnMsg = "provided parameter '%s' " % parameter
warnMsg += "seems to be '%s' encoded" % encoding
logger.warn(warnMsg)
break
except:
pass
return testableParameters
def getManualDirectories():
directories = None
pagePath = directoryPath(conf.path)
defaultDocRoot = DEFAULT_DOC_ROOTS.get(Backend.getOs(), DEFAULT_DOC_ROOTS[OS.LINUX])
if kb.absFilePaths:
for absFilePath in kb.absFilePaths:
if directories:
break
if directoryPath(absFilePath) == '/':
continue
absFilePath = normalizePath(absFilePath)
windowsDriveLetter = None
if isWindowsDriveLetterPath(absFilePath):
windowsDriveLetter, absFilePath = absFilePath[:2], absFilePath[2:]
absFilePath = ntToPosixSlashes(posixToNtSlashes(absFilePath))
if any("/%s/" % _ in absFilePath for _ in GENERIC_DOC_ROOT_DIRECTORY_NAMES):
for _ in GENERIC_DOC_ROOT_DIRECTORY_NAMES:
_ = "/%s/" % _
if _ in absFilePath:
directories = "%s%s" % (absFilePath.split(_)[0], _)
break
if pagePath and pagePath in absFilePath:
directories = absFilePath.split(pagePath)[0]
if windowsDriveLetter:
directories = "%s/%s" % (windowsDriveLetter, ntToPosixSlashes(directories))
directories = normalizePath(directories)
if directories:
infoMsg = "retrieved the web server document root: '%s'" % directories
logger.info(infoMsg)
else:
warnMsg = "unable to retrieve automatically the web server "
warnMsg += "document root"
logger.warn(warnMsg)
directories = []
message = "what do you want to use for writable directory?\n"
message += "[1] common location(s) ('%s') (default)\n" % ", ".join(root for root in defaultDocRoot)
message += "[2] custom location(s)\n"
message += "[3] custom directory list file\n"
message += "[4] brute force search"
choice = readInput(message, default="1").strip()
if choice == "2":
message = "please provide a comma separate list of absolute directory paths: "
directories = readInput(message, default="").split(',')
elif choice == "3":
message = "what's the list file location?\n"
listPath = readInput(message, default="")
checkFile(listPath)
directories = getFileItems(listPath)
elif choice == "4":
targets = set([conf.hostname])
_ = conf.hostname.split('.')
if _[0] == "www":
targets.add('.'.join(_[1:]))
targets.add('.'.join(_[1:-1]))
else:
targets.add('.'.join(_[:-1]))
targets = filter(None, targets)
for prefix in BRUTE_DOC_ROOT_PREFIXES.get(Backend.getOs(), DEFAULT_DOC_ROOTS[OS.LINUX]):
if BRUTE_DOC_ROOT_TARGET_MARK in prefix and re.match(IP_ADDRESS_REGEX, conf.hostname):
continue
for suffix in BRUTE_DOC_ROOT_SUFFIXES:
for target in targets:
item = "%s/%s" % (prefix, suffix)
item = item.replace(BRUTE_DOC_ROOT_TARGET_MARK, target).replace("//", '/').rstrip('/')
directories.append(item)
if BRUTE_DOC_ROOT_TARGET_MARK not in prefix:
break
infoMsg = "using generated directory list: %s" % ','.join(directories)
logger.info(infoMsg)
msg = "use any additional custom directories [Enter for None]: "
answer = readInput(msg)
if answer:
directories.extend(answer.split(','))
else:
directories = defaultDocRoot
return directories
def getAutoDirectories():
retVal = set()
if kb.absFilePaths:
infoMsg = "retrieved web server absolute paths: "
infoMsg += "'%s'" % ", ".join(ntToPosixSlashes(path) for path in kb.absFilePaths)
logger.info(infoMsg)
for absFilePath in kb.absFilePaths:
if absFilePath:
directory = directoryPath(absFilePath)
directory = ntToPosixSlashes(directory)
retVal.add(directory)
else:
warnMsg = "unable to automatically parse any web server path"
logger.warn(warnMsg)
_ = extractRegexResult(r"//[^/]+?(?P<result>/.*)/", conf.url) # web directory
if _:
retVal.add(_)
return list(retVal)
def filePathToSafeString(filePath):
"""
Returns string representation of a given filepath safe for a single filename usage
>>> filePathToSafeString('C:/Windows/system32')
'C__Windows_system32'
"""
retVal = filePath.replace("/", "_").replace("\\", "_")
retVal = retVal.replace(" ", "_").replace(":", "_")
return retVal
def singleTimeDebugMessage(message):
singleTimeLogMessage(message, logging.DEBUG)
def singleTimeWarnMessage(message):
singleTimeLogMessage(message, logging.WARN)
def singleTimeLogMessage(message, level=logging.INFO, flag=None):
if flag is None:
flag = hash(message)
if not conf.smokeTest and flag not in kb.singleLogFlags:
kb.singleLogFlags.add(flag)
logger.log(level, message)
def boldifyMessage(message):
retVal = message
if any(_ in message for _ in BOLD_PATTERNS):
retVal = setColor(message, True)
return retVal
def setColor(message, bold=False):
retVal = message
level = extractRegexResult(r"\[(?P<result>[A-Z ]+)\]", message) or kb.get("stickyLevel")
if message and getattr(LOGGER_HANDLER, "is_tty", False): # colorizing handler
if bold:
retVal = colored(message, color=None, on_color=None, attrs=("bold",))
elif level:
level = getattr(logging, level, None) if isinstance(level, basestring) else level
_ = LOGGER_HANDLER.level_map.get(level)
if _:
background, foreground, bold = _
retVal = colored(message, color=foreground, on_color="on_%s" % background if background else None, attrs=("bold",) if bold else None)
kb.stickyLevel = level if message and message[-1] != "\n" else None
return retVal
def dataToStdout(data, forceOutput=False, bold=False, content_type=None, status=CONTENT_STATUS.IN_PROGRESS):
"""
Writes text to the stdout (console) stream
"""
message = ""
if not kb.get("threadException"):
if forceOutput or not getCurrentThreadData().disableStdOut:
if kb.get("multiThreadMode"):
logging._acquireLock()
if isinstance(data, unicode):
message = stdoutencode(data)
else:
message = data
if hasattr(conf, "api"):
sys.stdout.write(message, status, content_type)
else:
sys.stdout.write(setColor(message, bold))
try:
sys.stdout.flush()
except IOError:
pass
if kb.get("multiThreadMode"):
logging._releaseLock()
kb.prependFlag = isinstance(data, basestring) and (len(data) == 1 and data not in ('\n', '\r') or len(data) > 2 and data[0] == '\r' and data[-1] != '\n')
def dataToTrafficFile(data):
if not conf.trafficFile:
return
try:
conf.trafficFP.write(data)
conf.trafficFP.flush()
except IOError, ex:
errMsg = "something went wrong while trying "
errMsg += "to write to the traffic file '%s' ('%s')" % (conf.trafficFile, ex)
raise SqlmapSystemException(errMsg)
def dataToDumpFile(dumpFile, data):
try:
dumpFile.write(data)
dumpFile.flush()
except IOError, ex:
if "No space left" in getUnicode(ex):
errMsg = "no space left on output device"
logger.error(errMsg)
else:
raise
def dataToOutFile(filename, data):
retVal = None
if data:
retVal = os.path.join(conf.filePath, filePathToSafeString(filename))
try:
with open(retVal, "w+b") as f:
f.write(data)
except IOError, ex:
errMsg = "something went wrong while trying to write "
errMsg += "to the output file ('%s')" % ex.message
raise SqlmapGenericException(errMsg)
return retVal
def readInput(message, default=None, checkBatch=True):
"""
Reads input from terminal
"""
retVal = None
kb.stickyLevel = None
message = getUnicode(message)
if "\n" in message:
message += "%s> " % ("\n" if message.count("\n") > 1 else "")
elif message[-1] == ']':
message += " "
if kb.get("prependFlag"):
message = "\n%s" % message
kb.prependFlag = False
if conf.get("answers"):
for item in conf.answers.split(','):
question = item.split('=')[0].strip()
answer = item.split('=')[1] if len(item.split('=')) > 1 else None
if answer and question.lower() in message.lower():
retVal = getUnicode(answer, UNICODE_ENCODING)
infoMsg = "%s%s" % (message, retVal)
logger.info(infoMsg)
debugMsg = "used the given answer"
logger.debug(debugMsg)
break
if retVal is None:
if checkBatch and conf.get("batch"):
if isListLike(default):
options = ",".join(getUnicode(opt, UNICODE_ENCODING) for opt in default)
elif default:
options = getUnicode(default, UNICODE_ENCODING)
else:
options = unicode()
dataToStdout("\r%s%s\n" % (message, options), forceOutput=True, bold=True)
debugMsg = "used the default behaviour, running in batch mode"
logger.debug(debugMsg)
retVal = default
else:
logging._acquireLock()
if conf.get("beep"):
beep()
dataToStdout("\r%s" % message, forceOutput=True, bold=True)
kb.prependFlag = False
try:
retVal = raw_input() or default
retVal = getUnicode(retVal, encoding=sys.stdin.encoding) if retVal else retVal
except:
time.sleep(0.05) # Reference: http://www.gossamer-threads.com/lists/python/python/781893
kb.prependFlag = True
raise SqlmapUserQuitException
finally:
logging._releaseLock()
return retVal
def randomRange(start=0, stop=1000, seed=None):
"""
Returns random integer value in given range
>>> random.seed(0)
>>> randomRange(1, 500)
423
"""
randint = random.WichmannHill(seed).randint if seed is not None else random.randint
return int(randint(start, stop))
def randomInt(length=4, seed=None):
"""
Returns random integer value with provided number of digits
>>> random.seed(0)
>>> randomInt(6)
874254
"""
choice = random.WichmannHill(seed).choice if seed is not None else random.choice
return int("".join(choice(string.digits if _ != 0 else string.digits.replace('0', '')) for _ in xrange(0, length)))
def randomStr(length=4, lowercase=False, alphabet=None, seed=None):
"""
Returns random string value with provided number of characters
>>> random.seed(0)
>>> randomStr(6)
'RNvnAv'
"""
choice = random.WichmannHill(seed).choice if seed is not None else random.choice
if alphabet:
retVal = "".join(choice(alphabet) for _ in xrange(0, length))
elif lowercase:
retVal = "".join(choice(string.ascii_lowercase) for _ in xrange(0, length))
else:
retVal = "".join(choice(string.ascii_letters) for _ in xrange(0, length))
return retVal
def sanitizeStr(value):
"""
Sanitizes string value in respect to newline and line-feed characters
>>> sanitizeStr('foo\\n\\rbar')
u'foo bar'
"""
return getUnicode(value).replace("\n", " ").replace("\r", "")
def getHeader(headers, key):
retVal = None
for _ in (headers or {}):
if _.upper() == key.upper():
retVal = headers[_]
break
return retVal
def checkFile(filename):
"""
Checks for file existence and readability
"""
valid = True
if filename is None or not os.path.isfile(filename):
valid = False
if valid:
try:
with open(filename, "rb"):
pass
except:
valid = False
if not valid:
raise SqlmapSystemException("unable to read file '%s'" % filename)
def banner():
"""
This function prints sqlmap banner with its version
"""
_ = BANNER
if not getattr(LOGGER_HANDLER, "is_tty", False):
_ = re.sub("\033.+?m", "", _)
dataToStdout(_, forceOutput=True)
def parsePasswordHash(password):
"""
In case of Microsoft SQL Server password hash value is expanded to its components
"""
blank = " " * 8
if not password or password == " ":
password = NULL
if Backend.isDbms(DBMS.MSSQL) and password != NULL and isHexEncodedString(password):
hexPassword = password
password = "%s\n" % hexPassword
password += "%sheader: %s\n" % (blank, hexPassword[:6])
password += "%ssalt: %s\n" % (blank, hexPassword[6:14])
password += "%smixedcase: %s\n" % (blank, hexPassword[14:54])
if not Backend.isVersionWithin(("2005", "2008")):
password += "%suppercase: %s" % (blank, hexPassword[54:])
return password
def cleanQuery(query):
"""
Switch all SQL statement (alike) keywords to upper case
"""
retVal = query
for sqlStatements in SQL_STATEMENTS.values():
for sqlStatement in sqlStatements:
sqlStatementEsc = sqlStatement.replace("(", "\\(")
queryMatch = re.search("(%s)" % sqlStatementEsc, query, re.I)
if queryMatch and "sys_exec" not in query:
retVal = retVal.replace(queryMatch.group(1), sqlStatement.upper())
return retVal
def setPaths():
"""
Sets absolute paths for project directories and files
"""
# sqlmap paths
paths.SQLMAP_EXTRAS_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "extra")
paths.SQLMAP_PROCS_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "procs")
paths.SQLMAP_SHELL_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "shell")
paths.SQLMAP_TAMPER_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "tamper")
paths.SQLMAP_WAF_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "waf")
paths.SQLMAP_TXT_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "txt")
paths.SQLMAP_UDF_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "udf")
paths.SQLMAP_XML_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "xml")
paths.SQLMAP_XML_BANNER_PATH = os.path.join(paths.SQLMAP_XML_PATH, "banner")
paths.SQLMAP_XML_PAYLOADS_PATH = os.path.join(paths.SQLMAP_XML_PATH, "payloads")
_ = os.path.join(os.path.expandvars(os.path.expanduser("~")), ".sqlmap")
paths.SQLMAP_OUTPUT_PATH = getUnicode(paths.get("SQLMAP_OUTPUT_PATH", os.path.join(_, "output")), encoding=sys.getfilesystemencoding())
paths.SQLMAP_DUMP_PATH = os.path.join(paths.SQLMAP_OUTPUT_PATH, "%s", "dump")
paths.SQLMAP_FILES_PATH = os.path.join(paths.SQLMAP_OUTPUT_PATH, "%s", "files")
# sqlmap files
paths.OS_SHELL_HISTORY = os.path.join(_, "os.hst")
paths.SQL_SHELL_HISTORY = os.path.join(_, "sql.hst")
paths.SQLMAP_SHELL_HISTORY = os.path.join(_, "sqlmap.hst")
paths.GITHUB_HISTORY = os.path.join(_, "github.hst")
paths.COMMON_COLUMNS = os.path.join(paths.SQLMAP_TXT_PATH, "common-columns.txt")
paths.COMMON_TABLES = os.path.join(paths.SQLMAP_TXT_PATH, "common-tables.txt")
paths.COMMON_OUTPUTS = os.path.join(paths.SQLMAP_TXT_PATH, 'common-outputs.txt')
paths.SQL_KEYWORDS = os.path.join(paths.SQLMAP_TXT_PATH, "keywords.txt")
paths.SMALL_DICT = os.path.join(paths.SQLMAP_TXT_PATH, "smalldict.txt")
paths.USER_AGENTS = os.path.join(paths.SQLMAP_TXT_PATH, "user-agents.txt")
paths.WORDLIST = os.path.join(paths.SQLMAP_TXT_PATH, "wordlist.zip")
paths.ERRORS_XML = os.path.join(paths.SQLMAP_XML_PATH, "errors.xml")
paths.BOUNDARIES_XML = os.path.join(paths.SQLMAP_XML_PATH, "boundaries.xml")
paths.LIVE_TESTS_XML = os.path.join(paths.SQLMAP_XML_PATH, "livetests.xml")
paths.QUERIES_XML = os.path.join(paths.SQLMAP_XML_PATH, "queries.xml")
paths.GENERIC_XML = os.path.join(paths.SQLMAP_XML_BANNER_PATH, "generic.xml")
paths.MSSQL_XML = os.path.join(paths.SQLMAP_XML_BANNER_PATH, "mssql.xml")
paths.MYSQL_XML = os.path.join(paths.SQLMAP_XML_BANNER_PATH, "mysql.xml")
paths.ORACLE_XML = os.path.join(paths.SQLMAP_XML_BANNER_PATH, "oracle.xml")
paths.PGSQL_XML = os.path.join(paths.SQLMAP_XML_BANNER_PATH, "postgresql.xml")
for path in paths.values():
if any(path.endswith(_) for _ in (".txt", ".xml", ".zip")):
checkFile(path)
def weAreFrozen():
"""
Returns whether we are frozen via py2exe.
This will affect how we find out where we are located.
Reference: http://www.py2exe.org/index.cgi/WhereAmI
"""
return hasattr(sys, "frozen")
def parseTargetDirect():
"""
Parse target dbms and set some attributes into the configuration singleton.
"""
if not conf.direct:
return
details = None
remote = False
for dbms in SUPPORTED_DBMS:
details = re.search("^(?P<dbms>%s)://(?P<credentials>(?P<user>.+?)\:(?P<pass>.*)\@)?(?P<remote>(?P<hostname>.+?)\:(?P<port>[\d]+)\/)?(?P<db>[\w\d\ \:\.\_\-\/\\\\]+?)$" % dbms, conf.direct, re.I)
if details:
conf.dbms = details.group("dbms")
if details.group('credentials'):
conf.dbmsUser = details.group("user")
conf.dbmsPass = details.group("pass")
else:
if conf.dbmsCred:
conf.dbmsUser, conf.dbmsPass = conf.dbmsCred.split(':')
else:
conf.dbmsUser = unicode()
conf.dbmsPass = unicode()
if not conf.dbmsPass:
conf.dbmsPass = None
if details.group("remote"):
remote = True
conf.hostname = details.group("hostname").strip()
conf.port = int(details.group("port"))
else:
conf.hostname = "localhost"
conf.port = 0
conf.dbmsDb = details.group("db")
conf.parameters[None] = "direct connection"
break
if not details:
errMsg = "invalid target details, valid syntax is for instance "
errMsg += "'mysql://USER:PASSWORD@DBMS_IP:DBMS_PORT/DATABASE_NAME' "
errMsg += "or 'access://DATABASE_FILEPATH'"
raise SqlmapSyntaxException(errMsg)
for dbmsName, data in DBMS_DICT.items():
if dbmsName == conf.dbms or conf.dbms.lower() in data[0]:
try:
if dbmsName in (DBMS.ACCESS, DBMS.SQLITE, DBMS.FIREBIRD):
if remote:
warnMsg = "direct connection over the network for "
warnMsg += "%s DBMS is not supported" % dbmsName
logger.warn(warnMsg)
conf.hostname = "localhost"
conf.port = 0
elif not remote:
errMsg = "missing remote connection details (e.g. "
errMsg += "'mysql://USER:PASSWORD@DBMS_IP:DBMS_PORT/DATABASE_NAME' "
errMsg += "or 'access://DATABASE_FILEPATH')"
raise SqlmapSyntaxException(errMsg)
if dbmsName in (DBMS.MSSQL, DBMS.SYBASE):
import _mssql
import pymssql
if not hasattr(pymssql, "__version__") or pymssql.__version__ < "1.0.2":
errMsg = "'%s' third-party library must be " % data[1]
errMsg += "version >= 1.0.2 to work properly. "
errMsg += "Download from '%s'" % data[2]
raise SqlmapMissingDependence(errMsg)
elif dbmsName == DBMS.MYSQL:
import pymysql
elif dbmsName == DBMS.PGSQL:
import psycopg2
elif dbmsName == DBMS.ORACLE:
import cx_Oracle
elif dbmsName == DBMS.SQLITE:
import sqlite3
elif dbmsName == DBMS.ACCESS:
import pyodbc
elif dbmsName == DBMS.FIREBIRD:
import kinterbasdb
except ImportError:
if _sqlalchemy and data[3] in _sqlalchemy.dialects.__all__:
pass
else:
errMsg = "sqlmap requires '%s' third-party library " % data[1]
errMsg += "in order to directly connect to the DBMS "
errMsg += "%s. You can download it from '%s'" % (dbmsName, data[2])
errMsg += ". Alternative is to use a package 'python-sqlalchemy' "
errMsg += "with support for dialect '%s' installed" % data[3]
raise SqlmapMissingDependence(errMsg)
def parseTargetUrl():
"""
Parse target URL and set some attributes into the configuration singleton.
"""
if not conf.url:
return
originalUrl = conf.url
if re.search("\[.+\]", conf.url) and not socket.has_ipv6:
errMsg = "IPv6 addressing is not supported "
errMsg += "on this platform"
raise SqlmapGenericException(errMsg)
if not re.search("^http[s]*://", conf.url, re.I) and \
not re.search("^ws[s]*://", conf.url, re.I):
if ":443/" in conf.url:
conf.url = "https://" + conf.url
else:
conf.url = "http://" + conf.url
if CUSTOM_INJECTION_MARK_CHAR in conf.url:
conf.url = conf.url.replace('?', URI_QUESTION_MARKER)
try:
urlSplit = urlparse.urlsplit(conf.url)
except ValueError, ex:
errMsg = "invalid URL '%s' has been given ('%s'). " % (conf.url, ex)
errMsg += "Please be sure that you don't have any leftover characters (e.g. '[' or ']') "
errMsg += "in the hostname part"
raise SqlmapGenericException(errMsg)
hostnamePort = urlSplit.netloc.split(":") if not re.search("\[.+\]", urlSplit.netloc) else filter(None, (re.search("\[.+\]", urlSplit.netloc).group(0), re.search("\](:(?P<port>\d+))?", urlSplit.netloc).group("port")))
conf.scheme = urlSplit.scheme.strip().lower() if not conf.forceSSL else "https"
conf.path = urlSplit.path.strip()
conf.hostname = hostnamePort[0].strip()
conf.ipv6 = conf.hostname != conf.hostname.strip("[]")
conf.hostname = conf.hostname.strip("[]").replace(CUSTOM_INJECTION_MARK_CHAR, "")
try:
_ = conf.hostname.encode("idna")
except LookupError:
_ = conf.hostname.encode(UNICODE_ENCODING)
except UnicodeError:
_ = None
if any((_ is None, re.search(r'\s', conf.hostname), '..' in conf.hostname, conf.hostname.startswith('.'))):
errMsg = "invalid target URL"
raise SqlmapSyntaxException(errMsg)
if len(hostnamePort) == 2:
try:
conf.port = int(hostnamePort[1])
except:
errMsg = "invalid target URL"
raise SqlmapSyntaxException(errMsg)
elif conf.scheme == "https":
conf.port = 443
else:
conf.port = 80
if urlSplit.query:
conf.parameters[PLACE.GET] = urldecode(urlSplit.query) if urlSplit.query and urlencode(DEFAULT_GET_POST_DELIMITER, None) not in urlSplit.query else urlSplit.query
conf.url = getUnicode("%s://%s:%d%s" % (conf.scheme, ("[%s]" % conf.hostname) if conf.ipv6 else conf.hostname, conf.port, conf.path))
conf.url = conf.url.replace(URI_QUESTION_MARKER, '?')
if not conf.referer and (intersect(REFERER_ALIASES, conf.testParameter, True) or conf.level >= 3):
debugMsg = "setting the HTTP Referer header to the target URL"
logger.debug(debugMsg)
conf.httpHeaders = filter(lambda (key, value): key != HTTP_HEADER.REFERER, conf.httpHeaders)
conf.httpHeaders.append((HTTP_HEADER.REFERER, conf.url.replace(CUSTOM_INJECTION_MARK_CHAR, "")))
if not conf.host and (intersect(HOST_ALIASES, conf.testParameter, True) or conf.level >= 5):
debugMsg = "setting the HTTP Host header to the target URL"
logger.debug(debugMsg)
conf.httpHeaders = filter(lambda (key, value): key != HTTP_HEADER.HOST, conf.httpHeaders)
conf.httpHeaders.append((HTTP_HEADER.HOST, getHostHeader(conf.url)))
if conf.url != originalUrl:
kb.originalUrls[conf.url] = originalUrl
def expandAsteriskForColumns(expression):
"""
If the user provided an asterisk rather than the column(s)
name, sqlmap will retrieve the columns itself and reprocess
the SQL query string (expression)
"""
asterisk = re.search("^SELECT(\s+TOP\s+[\d]+)?\s+\*\s+FROM\s+`?([^`\s()]+)", expression, re.I)
if asterisk:
infoMsg = "you did not provide the fields in your query. "
infoMsg += "sqlmap will retrieve the column names itself"
logger.info(infoMsg)
_ = asterisk.group(2).replace("..", ".").replace(".dbo.", ".")
db, conf.tbl = _.split(".", 1) if '.' in _ else (None, _)
if db is None:
if expression != conf.query:
conf.db = db
else:
expression = re.sub(r"([^\w])%s" % re.escape(conf.tbl), "\g<1>%s.%s" % (conf.db, conf.tbl), expression)
else:
conf.db = db
conf.db = safeSQLIdentificatorNaming(conf.db)
conf.tbl = safeSQLIdentificatorNaming(conf.tbl, True)
columnsDict = conf.dbmsHandler.getColumns(onlyColNames=True)
if columnsDict and conf.db in columnsDict and conf.tbl in columnsDict[conf.db]:
columns = columnsDict[conf.db][conf.tbl].keys()
columns.sort()
columnsStr = ", ".join(column for column in columns)
expression = expression.replace("*", columnsStr, 1)
infoMsg = "the query with expanded column name(s) is: "
infoMsg += "%s" % expression
logger.info(infoMsg)
return expression
def getLimitRange(count, dump=False, plusOne=False):
"""
Returns range of values used in limit/offset constructs
>>> [_ for _ in getLimitRange(10)]
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
"""
retVal = None
count = int(count)
limitStart, limitStop = 1, count
if dump:
if isinstance(conf.limitStop, int) and conf.limitStop > 0 and conf.limitStop < limitStop:
limitStop = conf.limitStop
if isinstance(conf.limitStart, int) and conf.limitStart > 0 and conf.limitStart <= limitStop:
limitStart = conf.limitStart
retVal = xrange(limitStart, limitStop + 1) if plusOne else xrange(limitStart - 1, limitStop)
return retVal
def parseUnionPage(page):
"""
Returns resulting items from UNION query inside provided page content
"""
if page is None:
return None
if re.search("(?si)\A%s.*%s\Z" % (kb.chars.start, kb.chars.stop), page):
if len(page) > LARGE_OUTPUT_THRESHOLD:
warnMsg = "large output detected. This might take a while"
logger.warn(warnMsg)
data = BigArray()
keys = set()
for match in re.finditer("%s(.*?)%s" % (kb.chars.start, kb.chars.stop), page, re.DOTALL | re.IGNORECASE):
entry = match.group(1)
if kb.chars.start in entry:
entry = entry.split(kb.chars.start)[-1]
if kb.unionDuplicates:
key = entry.lower()
if key not in keys:
keys.add(key)
else:
continue
entry = entry.split(kb.chars.delimiter)
if conf.hexConvert:
entry = applyFunctionRecursively(entry, decodeHexValue)
if kb.safeCharEncode:
entry = applyFunctionRecursively(entry, safecharencode)
data.append(entry[0] if len(entry) == 1 else entry)
else:
data = page
if len(data) == 1 and isinstance(data[0], basestring):
data = data[0]
return data
def parseFilePaths(page):
"""
Detects (possible) absolute system paths inside the provided page content
"""
if page:
for regex in (r" in <b>(?P<result>.*?)</b> on line", r"(?:>|\s)(?P<result>[A-Za-z]:[\\/][\w.\\/]*)", r"(?:>|\s)(?P<result>/\w[/\w.]+)"):
for match in re.finditer(regex, page):
absFilePath = match.group("result").strip()
page = page.replace(absFilePath, "")
if isWindowsDriveLetterPath(absFilePath):
absFilePath = posixToNtSlashes(absFilePath)
if absFilePath not in kb.absFilePaths:
kb.absFilePaths.add(absFilePath)
def getLocalIP():
"""
Get local IP address (exposed to the remote/target)
"""
retVal = None
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((conf.hostname, conf.port))
retVal, _ = s.getsockname()
s.close()
except:
debugMsg = "there was an error in opening socket "
debugMsg += "connection toward '%s'" % conf.hostname
logger.debug(debugMsg)
return retVal
def getRemoteIP():
"""
Get remote/target IP address
"""
retVal = None
try:
retVal = socket.gethostbyname(conf.hostname)
except socket.gaierror:
errMsg = "address resolution problem "
errMsg += "occurred for hostname '%s'" % conf.hostname
singleTimeLogMessage(errMsg, logging.ERROR)
return retVal
def getFileType(filePath):
try:
_ = magic.from_file(filePath)
except:
return "unknown"
return "text" if "ASCII" in _ or "text" in _ else "binary"
def getCharset(charsetType=None):
"""
Returns list with integers representing characters of a given
charset type appropriate for inference techniques
>>> getCharset(CHARSET_TYPE.BINARY)
[0, 1, 47, 48, 49]
"""
asciiTbl = []
if charsetType is None:
asciiTbl.extend(xrange(0, 128))
# 0 or 1
elif charsetType == CHARSET_TYPE.BINARY:
asciiTbl.extend([0, 1])
asciiTbl.extend(xrange(47, 50))
# Digits
elif charsetType == CHARSET_TYPE.DIGITS:
asciiTbl.extend([0, 1])
asciiTbl.extend(xrange(47, 58))
# Hexadecimal
elif charsetType == CHARSET_TYPE.HEXADECIMAL:
asciiTbl.extend([0, 1])
asciiTbl.extend(xrange(47, 58))
asciiTbl.extend(xrange(64, 71))
asciiTbl.extend([87, 88]) # X
asciiTbl.extend(xrange(96, 103))
asciiTbl.extend([119, 120]) # x
# Characters
elif charsetType == CHARSET_TYPE.ALPHA:
asciiTbl.extend([0, 1])
asciiTbl.extend(xrange(64, 91))
asciiTbl.extend(xrange(96, 123))
# Characters and digits
elif charsetType == CHARSET_TYPE.ALPHANUM:
asciiTbl.extend([0, 1])
asciiTbl.extend(xrange(47, 58))
asciiTbl.extend(xrange(64, 91))
asciiTbl.extend(xrange(96, 123))
return asciiTbl
def directoryPath(filepath):
"""
Returns directory path for a given filepath
>>> directoryPath('/var/log/apache.log')
'/var/log'
"""
retVal = filepath
if filepath:
retVal = ntpath.dirname(filepath) if isWindowsDriveLetterPath(filepath) else posixpath.dirname(filepath)
return retVal
def normalizePath(filepath):
"""
Returns normalized string representation of a given filepath
>>> normalizePath('//var///log/apache.log')
'//var/log/apache.log'
"""
retVal = filepath
if retVal:
retVal = retVal.strip("\r\n")
retVal = ntpath.normpath(retVal) if isWindowsDriveLetterPath(retVal) else posixpath.normpath(retVal)
return retVal
def safeExpandUser(filepath):
"""
Patch for a Python Issue18171 (http://bugs.python.org/issue18171)
"""
retVal = filepath
try:
retVal = os.path.expanduser(filepath)
except UnicodeError:
_ = locale.getdefaultlocale()
encoding = _[1] if _ and len(_) > 1 else UNICODE_ENCODING
retVal = getUnicode(os.path.expanduser(filepath.encode(encoding)), encoding=encoding)
return retVal
def safeStringFormat(format_, params):
"""
Avoids problems with inappropriate string format strings
>>> safeStringFormat('SELECT foo FROM %s LIMIT %d', ('bar', '1'))
u'SELECT foo FROM bar LIMIT 1'
"""
if format_.count(PAYLOAD_DELIMITER) == 2:
_ = format_.split(PAYLOAD_DELIMITER)
_[1] = re.sub(r"(\A|[^A-Za-z0-9])(%d)([^A-Za-z0-9]|\Z)", r"\g<1>%s\g<3>", _[1])
retVal = PAYLOAD_DELIMITER.join(_)
else:
retVal = re.sub(r"(\A|[^A-Za-z0-9])(%d)([^A-Za-z0-9]|\Z)", r"\g<1>%s\g<3>", format_)
if isinstance(params, basestring):
retVal = retVal.replace("%s", params, 1)
elif not isListLike(params):
retVal = retVal.replace("%s", str(params), 1)
else:
start, end = 0, len(retVal)
match = re.search(r"%s(.+)%s" % (PAYLOAD_DELIMITER, PAYLOAD_DELIMITER), retVal)
if match and PAYLOAD_DELIMITER not in match.group(1):
start, end = match.start(), match.end()
if retVal.count("%s", start, end) == len(params):
for param in params:
index = retVal.find("%s", start)
retVal = retVal[:index] + getUnicode(param) + retVal[index + 2:]
else:
count = 0
while True:
match = re.search(r"(\A|[^A-Za-z0-9])(%s)([^A-Za-z0-9]|\Z)", retVal)
if match:
if count >= len(params):
raise Exception("wrong number of parameters during string formatting")
else:
retVal = re.sub(r"(\A|[^A-Za-z0-9])(%s)([^A-Za-z0-9]|\Z)", r"\g<1>%s\g<3>" % params[count], retVal, 1)
count += 1
else:
break
return retVal
def getFilteredPageContent(page, onlyText=True):
"""
Returns filtered page content without script, style and/or comments
or all HTML tags
>>> getFilteredPageContent(u'<html><title>foobar</title><body>test</body></html>')
u'foobar test'
"""
retVal = page
# only if the page's charset has been successfully identified
if isinstance(page, unicode):
retVal = re.sub(r"(?si)<script.+?</script>|<!--.+?-->|<style.+?</style>%s" % (r"|<[^>]+>|\t|\n|\r" if onlyText else ""), " ", page)
while retVal.find(" ") != -1:
retVal = retVal.replace(" ", " ")
retVal = htmlunescape(retVal.strip())
return retVal
def getPageWordSet(page):
"""
Returns word set used in page content
>>> sorted(getPageWordSet(u'<html><title>foobar</title><body>test</body></html>'))
[u'foobar', u'test']
"""
retVal = set()
# only if the page's charset has been successfully identified
if isinstance(page, unicode):
_ = getFilteredPageContent(page)
retVal = set(re.findall(r"\w+", _))
return retVal
def showStaticWords(firstPage, secondPage):
"""
Prints words appearing in two different response pages
"""
infoMsg = "finding static words in longest matching part of dynamic page content"
logger.info(infoMsg)
firstPage = getFilteredPageContent(firstPage)
secondPage = getFilteredPageContent(secondPage)
infoMsg = "static words: "
if firstPage and secondPage:
match = SequenceMatcher(None, firstPage, secondPage).find_longest_match(0, len(firstPage), 0, len(secondPage))
commonText = firstPage[match[0]:match[0] + match[2]]
commonWords = getPageWordSet(commonText)
else:
commonWords = None
if commonWords:
commonWords = list(commonWords)
commonWords.sort(lambda a, b: cmp(a.lower(), b.lower()))
for word in commonWords:
if len(word) > 2:
infoMsg += "'%s', " % word
infoMsg = infoMsg.rstrip(", ")
else:
infoMsg += "None"
logger.info(infoMsg)
def isWindowsDriveLetterPath(filepath):
"""
Returns True if given filepath starts with a Windows drive letter
>>> isWindowsDriveLetterPath('C:\\boot.ini')
True
>>> isWindowsDriveLetterPath('/var/log/apache.log')
False
"""
return re.search("\A[\w]\:", filepath) is not None
def posixToNtSlashes(filepath):
"""
Replaces all occurances of Posix slashes (/) in provided
filepath with NT ones (\)
>>> posixToNtSlashes('C:/Windows')
'C:\\\\Windows'
"""
return filepath.replace('/', '\\')
def ntToPosixSlashes(filepath):
"""
Replaces all occurances of NT slashes (\) in provided
filepath with Posix ones (/)
>>> ntToPosixSlashes('C:\\Windows')
'C:/Windows'
"""
return filepath.replace('\\', '/')
def isHexEncodedString(subject):
"""
Checks if the provided string is hex encoded
>>> isHexEncodedString('DEADBEEF')
True
>>> isHexEncodedString('test')
False
"""
return re.match(r"\A[0-9a-fA-Fx]+\Z", subject) is not None
@cachedmethod
def getConsoleWidth(default=80):
"""
Returns console width
"""
width = None
if os.getenv("COLUMNS", "").isdigit():
width = int(os.getenv("COLUMNS"))
else:
try:
try:
FNULL = open(os.devnull, 'w')
except IOError:
FNULL = None
process = execute("stty size", shell=True, stdout=PIPE, stderr=FNULL or PIPE)
stdout, _ = process.communicate()
items = stdout.split()
if len(items) == 2 and items[1].isdigit():
width = int(items[1])
except (OSError, MemoryError):
pass
if width is None:
try:
import curses
stdscr = curses.initscr()
_, width = stdscr.getmaxyx()
curses.endwin()
except:
pass
return width or default
def clearConsoleLine(forceOutput=False):
"""
Clears current console line
"""
if getattr(LOGGER_HANDLER, "is_tty", False):
dataToStdout("\r%s\r" % (" " * (getConsoleWidth() - 1)), forceOutput)
kb.prependFlag = False
kb.stickyLevel = None
def parseXmlFile(xmlFile, handler):
"""
Parses XML file by a given handler
"""
try:
with contextlib.closing(StringIO(readCachedFileContent(xmlFile))) as stream:
parse(stream, handler)
except (SAXParseException, UnicodeError), ex:
errMsg = "something seems to be wrong with "
errMsg += "the file '%s' ('%s'). Please make " % (xmlFile, ex)
errMsg += "sure that you haven't made any changes to it"
raise SqlmapInstallationException, errMsg
def getSQLSnippet(dbms, sfile, **variables):
"""
Returns content of SQL snippet located inside 'procs/' directory
"""
if sfile.endswith('.sql') and os.path.exists(sfile):
filename = sfile
elif not sfile.endswith('.sql') and os.path.exists("%s.sql" % sfile):
filename = "%s.sql" % sfile
else:
filename = os.path.join(paths.SQLMAP_PROCS_PATH, DBMS_DIRECTORY_DICT[dbms], sfile if sfile.endswith('.sql') else "%s.sql" % sfile)
checkFile(filename)
retVal = readCachedFileContent(filename)
retVal = re.sub(r"#.+", "", retVal)
retVal = re.sub(r"(?s);\s+", "; ", retVal).strip("\r\n")
for _ in variables.keys():
retVal = re.sub(r"%%%s%%" % _, variables[_], retVal)
for _ in re.findall(r"%RANDSTR\d+%", retVal, re.I):
retVal = retVal.replace(_, randomStr())
for _ in re.findall(r"%RANDINT\d+%", retVal, re.I):
retVal = retVal.replace(_, randomInt())
variables = re.findall(r"(?<!\bLIKE ')%(\w+)%", retVal, re.I)
if variables:
errMsg = "unresolved variable%s '%s' in SQL file '%s'" % ("s" if len(variables) > 1 else "", ", ".join(variables), sfile)
logger.error(errMsg)
msg = "do you want to provide the substitution values? [y/N] "
choice = readInput(msg, default="N")
if choice and choice[0].lower() == "y":
for var in variables:
msg = "insert value for variable '%s': " % var
val = readInput(msg, default="")
retVal = retVal.replace(r"%%%s%%" % var, val)
return retVal
def readCachedFileContent(filename, mode='rb'):
"""
Cached reading of file content (avoiding multiple same file reading)
"""
if filename not in kb.cache.content:
with kb.locks.cache:
if filename not in kb.cache.content:
checkFile(filename)
with openFile(filename, mode) as f:
kb.cache.content[filename] = f.read()
return kb.cache.content[filename]
def readXmlFile(xmlFile):
"""
Reads XML file content and returns its DOM representation
"""
checkFile(xmlFile)
retVal = minidom.parse(xmlFile).documentElement
return retVal
def stdev(values):
"""
Computes standard deviation of a list of numbers.
Reference: http://www.goldb.org/corestats.html
>>> stdev([0.9, 0.9, 0.9, 1.0, 0.8, 0.9])
0.06324555320336757
"""
if not values or len(values) < 2:
return None
key = (values[0], values[-1], len(values))
if kb.get("cache") and key in kb.cache.stdev:
retVal = kb.cache.stdev[key]
else:
avg = average(values)
_ = reduce(lambda x, y: x + pow((y or 0) - avg, 2), values, 0.0)
retVal = sqrt(_ / (len(values) - 1))
if kb.get("cache"):
kb.cache.stdev[key] = retVal
return retVal
def average(values):
"""
Computes the arithmetic mean of a list of numbers.
>>> average([0.9, 0.9, 0.9, 1.0, 0.8, 0.9])
0.9
"""
return (sum(values) / len(values)) if values else None
def calculateDeltaSeconds(start):
"""
Returns elapsed time from start till now
"""
return time.time() - start
def initCommonOutputs():
"""
Initializes dictionary containing common output values used by "good samaritan" feature
"""
kb.commonOutputs = {}
key = None
with openFile(paths.COMMON_OUTPUTS, 'r') as f:
for line in f.readlines(): # xreadlines doesn't return unicode strings when codec.open() is used
if line.find('#') != -1:
line = line[:line.find('#')]
line = line.strip()
if len(line) > 1:
if line.startswith('[') and line.endswith(']'):
key = line[1:-1]
elif key:
if key not in kb.commonOutputs:
kb.commonOutputs[key] = set()
if line not in kb.commonOutputs[key]:
kb.commonOutputs[key].add(line)
def getFileItems(filename, commentPrefix='#', unicode_=True, lowercase=False, unique=False):
"""
Returns newline delimited items contained inside file
"""
retVal = list() if not unique else OrderedDict()
checkFile(filename)
try:
with openFile(filename, 'r', errors="ignore") if unicode_ else open(filename, 'r') as f:
for line in (f.readlines() if unicode_ else f.xreadlines()): # xreadlines doesn't return unicode strings when codec.open() is used
if commentPrefix:
if line.find(commentPrefix) != -1:
line = line[:line.find(commentPrefix)]
line = line.strip()
if not unicode_:
try:
line = str.encode(line)
except UnicodeDecodeError:
continue
if line:
if lowercase:
line = line.lower()
if unique and line in retVal:
continue
if unique:
retVal[line] = True
else:
retVal.append(line)
except (IOError, OSError, MemoryError), ex:
errMsg = "something went wrong while trying "
errMsg += "to read the content of file '%s' ('%s')" % (filename, ex)
raise SqlmapSystemException(errMsg)
return retVal if not unique else retVal.keys()
def goGoodSamaritan(prevValue, originalCharset):
"""
Function for retrieving parameters needed for common prediction (good
samaritan) feature.
prevValue: retrieved query output so far (e.g. 'i').
Returns commonValue if there is a complete single match (in kb.partRun
of txt/common-outputs.txt under kb.partRun) regarding parameter
prevValue. If there is no single value match, but multiple, commonCharset is
returned containing more probable characters (retrieved from matched
values in txt/common-outputs.txt) together with the rest of charset as
otherCharset.
"""
if kb.commonOutputs is None:
initCommonOutputs()
predictionSet = set()
commonValue = None
commonPattern = None
countCommonValue = 0
# If the header (e.g. Databases) we are looking for has common
# outputs defined
if kb.partRun in kb.commonOutputs:
commonPartOutputs = kb.commonOutputs[kb.partRun]
commonPattern = commonFinderOnly(prevValue, commonPartOutputs)
# If the longest common prefix is the same as previous value then
# do not consider it
if commonPattern and commonPattern == prevValue:
commonPattern = None
# For each common output
for item in commonPartOutputs:
# Check if the common output (item) starts with prevValue
# where prevValue is the enumerated character(s) so far
if item.startswith(prevValue):
commonValue = item
countCommonValue += 1
if len(item) > len(prevValue):
char = item[len(prevValue)]
predictionSet.add(char)
# Reset single value if there is more than one possible common
# output
if countCommonValue > 1:
commonValue = None
commonCharset = []
otherCharset = []
# Split the original charset into common chars (commonCharset)
# and other chars (otherCharset)
for ordChar in originalCharset:
if chr(ordChar) not in predictionSet:
otherCharset.append(ordChar)
else:
commonCharset.append(ordChar)
commonCharset.sort()
return commonValue, commonPattern, commonCharset, originalCharset
else:
return None, None, None, originalCharset
def getPartRun(alias=True):
"""
Goes through call stack and finds constructs matching conf.dbmsHandler.*.
Returns it or its alias used in txt/common-outputs.txt
"""
retVal = None
commonPartsDict = optDict["Enumeration"]
try:
stack = [item[4][0] if isinstance(item[4], list) else '' for item in inspect.stack()]
# Goes backwards through the stack to find the conf.dbmsHandler method
# calling this function
for i in xrange(0, len(stack) - 1):
for regex in (r"self\.(get[^(]+)\(\)", r"conf\.dbmsHandler\.([^(]+)\(\)"):
match = re.search(regex, stack[i])
if match:
# This is the calling conf.dbmsHandler or self method
# (e.g. 'getDbms')
retVal = match.groups()[0]
break
if retVal is not None:
break
# Reference: http://coding.derkeiler.com/Archive/Python/comp.lang.python/2004-06/2267.html
except TypeError:
pass
# Return the INI tag to consider for common outputs (e.g. 'Databases')
if alias:
return commonPartsDict[retVal][1] if isinstance(commonPartsDict.get(retVal), tuple) else retVal
else:
return retVal
def getUnicode(value, encoding=None, noneToNull=False):
"""
Return the unicode representation of the supplied value:
>>> getUnicode(u'test')
u'test'
>>> getUnicode('test')
u'test'
>>> getUnicode(1)
u'1'
"""
if noneToNull and value is None:
return NULL
if isListLike(value):
value = list(getUnicode(_, encoding, noneToNull) for _ in value)
return value
if isinstance(value, unicode):
return value
elif isinstance(value, basestring):
while True:
try:
return unicode(value, encoding or (kb.get("pageEncoding") if kb.get("originalPage") else None) or UNICODE_ENCODING)
except UnicodeDecodeError, ex:
try:
return unicode(value, UNICODE_ENCODING)
except:
value = value[:ex.start] + "".join(INVALID_UNICODE_CHAR_FORMAT % ord(_) for _ in value[ex.start:ex.end]) + value[ex.end:]
else:
try:
return unicode(value)
except UnicodeDecodeError:
return unicode(str(value), errors="ignore") # encoding ignored for non-basestring instances
def longestCommonPrefix(*sequences):
"""
Returns longest common prefix occuring in given sequences
Reference: http://boredzo.org/blog/archives/2007-01-06/longest-common-prefix-in-python-2
>>> longestCommonPrefix('foobar', 'fobar')
'fo'
"""
if len(sequences) == 1:
return sequences[0]
sequences = [pair[1] for pair in sorted((len(fi), fi) for fi in sequences)]
if not sequences:
return None
for i, comparison_ch in enumerate(sequences[0]):
for fi in sequences[1:]:
ch = fi[i]
if ch != comparison_ch:
return fi[:i]
return sequences[0]
def commonFinderOnly(initial, sequence):
return longestCommonPrefix(*filter(lambda x: x.startswith(initial), sequence))
def pushValue(value):
"""
Push value to the stack (thread dependent)
"""
getCurrentThreadData().valueStack.append(copy.deepcopy(value))
def popValue():
"""
Pop value from the stack (thread dependent)
>>> pushValue('foobar')
>>> popValue()
'foobar'
"""
return getCurrentThreadData().valueStack.pop()
def wasLastResponseDBMSError():
"""
Returns True if the last web request resulted in a (recognized) DBMS error page
"""
threadData = getCurrentThreadData()
return threadData.lastErrorPage and threadData.lastErrorPage[0] == threadData.lastRequestUID
def wasLastResponseHTTPError():
"""
Returns True if the last web request resulted in an errornous HTTP code (like 500)
"""
threadData = getCurrentThreadData()
return threadData.lastHTTPError and threadData.lastHTTPError[0] == threadData.lastRequestUID
def wasLastResponseDelayed():
"""
Returns True if the last web request resulted in a time-delay
"""
# 99.9999999997440% of all non time-based SQL injection affected
# response times should be inside +-7*stdev([normal response times])
# Math reference: http://www.answers.com/topic/standard-deviation
deviation = stdev(kb.responseTimes)
threadData = getCurrentThreadData()
if deviation and not conf.direct:
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
warnMsg = "time-based standard deviation method used on a model "
warnMsg += "with less than %d response times" % MIN_TIME_RESPONSES
logger.warn(warnMsg)
lowerStdLimit = average(kb.responseTimes) + TIME_STDEV_COEFF * deviation
retVal = (threadData.lastQueryDuration >= max(MIN_VALID_DELAYED_RESPONSE, lowerStdLimit))
if not kb.testMode and retVal:
if kb.adjustTimeDelay is None:
msg = "do you want sqlmap to try to optimize value(s) "
msg += "for DBMS delay responses (option '--time-sec')? [Y/n] "
choice = readInput(msg, default='Y')
kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE if choice.upper() == 'N' else ADJUST_TIME_DELAY.YES
if kb.adjustTimeDelay is ADJUST_TIME_DELAY.YES:
adjustTimeDelay(threadData.lastQueryDuration, lowerStdLimit)
return retVal
else:
return (threadData.lastQueryDuration - conf.timeSec) >= 0
def adjustTimeDelay(lastQueryDuration, lowerStdLimit):
"""
Provides tip for adjusting time delay in time-based data retrieval
"""
candidate = 1 + int(round(lowerStdLimit))
if candidate:
kb.delayCandidates = [candidate] + kb.delayCandidates[:-1]
if all((x == candidate for x in kb.delayCandidates)) and candidate < conf.timeSec:
conf.timeSec = candidate
infoMsg = "adjusting time delay to "
infoMsg += "%d second%s due to good response times" % (conf.timeSec, 's' if conf.timeSec > 1 else '')
logger.info(infoMsg)
def getLastRequestHTTPError():
"""
Returns last HTTP error code
"""
threadData = getCurrentThreadData()
return threadData.lastHTTPError[1] if threadData.lastHTTPError else None
def extractErrorMessage(page):
"""
Returns reported error message from page if it founds one
>>> extractErrorMessage(u'<html><title>Test</title>\\n<b>Warning</b>: oci_parse() [function.oci-parse]: ORA-01756: quoted string not properly terminated<br><p>Only a test page</p></html>')
u'oci_parse() [function.oci-parse]: ORA-01756: quoted string not properly terminated'
"""
retVal = None
if isinstance(page, basestring):
for regex in ERROR_PARSING_REGEXES:
match = re.search(regex, page, re.DOTALL | re.IGNORECASE)
if match:
retVal = htmlunescape(match.group("result")).replace("<br>", "\n").strip()
break
return retVal
def findMultipartPostBoundary(post):
"""
Finds value for a boundary parameter in given multipart POST body
"""
retVal = None
done = set()
candidates = []
for match in re.finditer(r"(?m)^--(.+?)(--)?$", post or ""):
_ = match.group(1).strip().strip('-')
if _ in done:
continue
else:
candidates.append((post.count(_), _))
done.add(_)
if candidates:
candidates.sort(key=lambda _: _[0], reverse=True)
retVal = candidates[0][1]
return retVal
def urldecode(value, encoding=None, unsafe="%%&=;+%s" % CUSTOM_INJECTION_MARK_CHAR, convall=False, plusspace=True):
"""
URL decodes given value
>>> urldecode('AND%201%3E%282%2B3%29%23', convall=True)
u'AND 1>(2+3)#'
"""
result = value
if value:
try:
# for cases like T%C3%BCrk%C3%A7e
value = str(value)
except ValueError:
pass
finally:
if convall:
result = urllib.unquote_plus(value) if plusspace else urllib.unquote(value)
else:
def _(match):
charset = reduce(lambda x, y: x.replace(y, ""), unsafe, string.printable)
char = chr(ord(match.group(1).decode("hex")))
return char if char in charset else match.group(0)
result = value
if plusspace:
result = result.replace("+", " ") # plus sign has a special meaning in URL encoded data (hence the usage of urllib.unquote_plus in convall case)
result = re.sub("%([0-9a-fA-F]{2})", _, result)
if isinstance(result, str):
result = unicode(result, encoding or UNICODE_ENCODING, "replace")
return result
def urlencode(value, safe="%&=-_", convall=False, limit=False, spaceplus=False):
"""
URL encodes given value
>>> urlencode('AND 1>(2+3)#')
'AND%201%3E%282%2B3%29%23'
"""
if conf.get("direct"):
return value
count = 0
result = None if value is None else ""
if value:
if Backend.isDbms(DBMS.MSSQL) and not kb.tamperFunctions and any(ord(_) > 255 for _ in value):
warnMsg = "if you experience problems with "
warnMsg += "non-ASCII identifier names "
warnMsg += "you are advised to rerun with '--tamper=charunicodeencode'"
singleTimeWarnMessage(warnMsg)
if convall or safe is None:
safe = ""
# corner case when character % really needs to be
# encoded (when not representing URL encoded char)
# except in cases when tampering scripts are used
if all(map(lambda x: '%' in x, [safe, value])) and not kb.tamperFunctions:
value = re.sub("%(?![0-9a-fA-F]{2})", "%25", value)
while True:
result = urllib.quote(utf8encode(value), safe)
if limit and len(result) > URLENCODE_CHAR_LIMIT:
if count >= len(URLENCODE_FAILSAFE_CHARS):
break
while count < len(URLENCODE_FAILSAFE_CHARS):
safe += URLENCODE_FAILSAFE_CHARS[count]
count += 1
if safe[-1] in value:
break
else:
break
if spaceplus:
result = result.replace(urllib.quote(' '), '+')
return result
def runningAsAdmin():
"""
Returns True if the current process is run under admin privileges
"""
isAdmin = None
if PLATFORM in ("posix", "mac"):
_ = os.geteuid()
isAdmin = isinstance(_, (int, float, long)) and _ == 0
elif IS_WIN:
import ctypes
_ = ctypes.windll.shell32.IsUserAnAdmin()
isAdmin = isinstance(_, (int, float, long)) and _ == 1
else:
errMsg = "sqlmap is not able to check if you are running it "
errMsg += "as an administrator account on this platform. "
errMsg += "sqlmap will assume that you are an administrator "
errMsg += "which is mandatory for the requested takeover attack "
errMsg += "to work properly"
logger.error(errMsg)
isAdmin = True
return isAdmin
def logHTTPTraffic(requestLogMsg, responseLogMsg):
"""
Logs HTTP traffic to the output file
"""
if not conf.trafficFile:
return
with kb.locks.log:
dataToTrafficFile("%s%s" % (requestLogMsg, os.linesep))
dataToTrafficFile("%s%s" % (responseLogMsg, os.linesep))
dataToTrafficFile("%s%s%s%s" % (os.linesep, 76 * '#', os.linesep, os.linesep))
def getPageTemplate(payload, place): # Cross-linked function
raise NotImplementedError
def getPublicTypeMembers(type_, onlyValues=False):
"""
Useful for getting members from types (e.g. in enums)
>>> [_ for _ in getPublicTypeMembers(OS, True)]
['Linux', 'Windows']
"""
for name, value in inspect.getmembers(type_):
if not name.startswith('__'):
if not onlyValues:
yield (name, value)
else:
yield value
def enumValueToNameLookup(type_, value_):
"""
Returns name of a enum member with a given value
>>> enumValueToNameLookup(SORT_ORDER, 100)
'LAST'
"""
retVal = None
for name, value in getPublicTypeMembers(type_):
if value == value_:
retVal = name
break
return retVal
def extractRegexResult(regex, content, flags=0):
"""
Returns 'result' group value from a possible match with regex on a given
content
>>> extractRegexResult(r'a(?P<result>[^g]+)g', 'abcdefg')
'bcdef'
"""
retVal = None
if regex and content and "?P<result>" in regex:
match = re.search(regex, content, flags)
if match:
retVal = match.group("result")
return retVal
def extractTextTagContent(page):
"""
Returns list containing content from "textual" tags
>>> extractTextTagContent(u'<html><head><title>Title</title></head><body><pre>foobar</pre><a href="#link">Link</a></body></html>')
[u'Title', u'foobar']
"""
page = page or ""
if REFLECTED_VALUE_MARKER in page:
page = re.sub(r"(?si)[^\s>]*%s[^\s<]*" % REFLECTED_VALUE_MARKER, "", page)
return filter(None, (_.group('result').strip() for _ in re.finditer(TEXT_TAG_REGEX, page)))
def trimAlphaNum(value):
"""
Trims alpha numeric characters from start and ending of a given value
>>> trimAlphaNum(u'AND 1>(2+3)-- foobar')
u' 1>(2+3)-- '
"""
while value and value[-1].isalnum():
value = value[:-1]
while value and value[0].isalnum():
value = value[1:]
return value
def isNumPosStrValue(value):
"""
Returns True if value is a string (or integer) with a positive integer representation
>>> isNumPosStrValue(1)
True
>>> isNumPosStrValue('1')
True
>>> isNumPosStrValue(0)
False
>>> isNumPosStrValue('-2')
False
"""
return (value and isinstance(value, basestring) and value.isdigit() and int(value) > 0) or (isinstance(value, int) and value > 0)
@cachedmethod
def aliasToDbmsEnum(dbms):
"""
Returns major DBMS name from a given alias
>>> aliasToDbmsEnum('mssql')
'Microsoft SQL Server'
"""
retVal = None
if dbms:
for key, item in DBMS_DICT.items():
if dbms.lower() in item[0] or dbms.lower() == key.lower():
retVal = key
break
return retVal
def findDynamicContent(firstPage, secondPage):
"""
This function checks if the provided pages have dynamic content. If they
are dynamic, proper markings will be made
"""
if not firstPage or not secondPage:
return
infoMsg = "searching for dynamic content"
logger.info(infoMsg)
blocks = SequenceMatcher(None, firstPage, secondPage).get_matching_blocks()
kb.dynamicMarkings = []
# Removing too small matching blocks
for block in blocks[:]:
(_, _, length) = block
if length <= DYNAMICITY_MARK_LENGTH:
blocks.remove(block)
# Making of dynamic markings based on prefix/suffix principle
if len(blocks) > 0:
blocks.insert(0, None)
blocks.append(None)
for i in xrange(len(blocks) - 1):
prefix = firstPage[blocks[i][0]:blocks[i][0] + blocks[i][2]] if blocks[i] else None
suffix = firstPage[blocks[i + 1][0]:blocks[i + 1][0] + blocks[i + 1][2]] if blocks[i + 1] else None
if prefix is None and blocks[i + 1][0] == 0:
continue
if suffix is None and (blocks[i][0] + blocks[i][2] >= len(firstPage)):
continue
prefix = trimAlphaNum(prefix)
suffix = trimAlphaNum(suffix)
kb.dynamicMarkings.append((prefix[-DYNAMICITY_MARK_LENGTH / 2:] if prefix else None, suffix[:DYNAMICITY_MARK_LENGTH / 2] if suffix else None))
if len(kb.dynamicMarkings) > 0:
infoMsg = "dynamic content marked for removal (%d region%s)" % (len(kb.dynamicMarkings), 's' if len(kb.dynamicMarkings) > 1 else '')
logger.info(infoMsg)
def removeDynamicContent(page):
"""
Removing dynamic content from supplied page basing removal on
precalculated dynamic markings
"""
if page:
for item in kb.dynamicMarkings:
prefix, suffix = item
if prefix is None and suffix is None:
continue
elif prefix is None:
page = re.sub(r'(?s)^.+%s' % re.escape(suffix), suffix, page)
elif suffix is None:
page = re.sub(r'(?s)%s.+$' % re.escape(prefix), prefix, page)
else:
page = re.sub(r'(?s)%s.+%s' % (re.escape(prefix), re.escape(suffix)), '%s%s' % (prefix, suffix), page)
return page
def filterStringValue(value, charRegex, replacement=""):
"""
Returns string value consisting only of chars satisfying supplied
regular expression (note: it has to be in form [...])
>>> filterStringValue(u'wzydeadbeef0123#', r'[0-9a-f]')
u'deadbeef0123'
"""
retVal = value
if value:
retVal = re.sub(charRegex.replace("[", "[^") if "[^" not in charRegex else charRegex.replace("[^", "["), replacement, value)
return retVal
def filterControlChars(value):
"""
Returns string value with control chars being supstituted with ' '
>>> filterControlChars(u'AND 1>(2+3)\\n--')
u'AND 1>(2+3) --'
"""
return filterStringValue(value, PRINTABLE_CHAR_REGEX, ' ')
def isDBMSVersionAtLeast(version):
"""
Checks if the recognized DBMS version is at least the version
specified
"""
retVal = None
if Backend.getVersion() and Backend.getVersion() != UNKNOWN_DBMS_VERSION:
value = Backend.getVersion().replace(" ", "").rstrip('.')
while True:
index = value.find('.', value.find('.') + 1)
if index > -1:
value = value[0:index] + value[index + 1:]
else:
break
value = filterStringValue(value, '[0-9.><=]')
if isinstance(value, basestring):
if value.startswith(">="):
value = float(value.replace(">=", ""))
elif value.startswith(">"):
value = float(value.replace(">", "")) + 0.01
elif value.startswith("<="):
value = float(value.replace("<=", ""))
elif value.startswith(">"):
value = float(value.replace("<", "")) - 0.01
retVal = getUnicode(value) >= getUnicode(version)
return retVal
def parseSqliteTableSchema(value):
"""
Parses table column names and types from specified SQLite table schema
"""
if value:
table = {}
columns = {}
for match in re.finditer(r"(\w+)\s+(INT|INTEGER|TINYINT|SMALLINT|MEDIUMINT|BIGINT|UNSIGNED BIG INT|INT2|INT8|INTEGER|CHARACTER|VARCHAR|VARYING CHARACTER|NCHAR|NATIVE CHARACTER|NVARCHAR|TEXT|CLOB|TEXT|BLOB|NONE|REAL|DOUBLE|DOUBLE PRECISION|FLOAT|REAL|NUMERIC|DECIMAL|BOOLEAN|DATE|DATETIME|NUMERIC)\b", value, re.I):
columns[match.group(1)] = match.group(2)
table[conf.tbl] = columns
kb.data.cachedColumns[conf.db] = table
def getTechniqueData(technique=None):
"""
Returns injection data for technique specified
"""
return kb.injection.data.get(technique)
def isTechniqueAvailable(technique):
"""
Returns True if there is injection data which sqlmap could use for
technique specified
"""
if conf.tech and isinstance(conf.tech, list) and technique not in conf.tech:
return False
else:
return getTechniqueData(technique) is not None
def isStackingAvailable():
"""
Returns True whether techniques using stacking are available
"""
retVal = False
if PAYLOAD.TECHNIQUE.STACKED in kb.injection.data:
retVal = True
else:
for technique in getPublicTypeMembers(PAYLOAD.TECHNIQUE, True):
_ = getTechniqueData(technique)
if _ and "stacked" in _["title"].lower():
retVal = True
break
return retVal
def isInferenceAvailable():
"""
Returns True whether techniques using inference technique are available
"""
return any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.BOOLEAN, PAYLOAD.TECHNIQUE.STACKED, PAYLOAD.TECHNIQUE.TIME))
def setOptimize():
"""
Sets options turned on by switch '-o'
"""
#conf.predictOutput = True
conf.keepAlive = True
conf.threads = 3 if conf.threads < 3 else conf.threads
conf.nullConnection = not any((conf.data, conf.textOnly, conf.titles, conf.string, conf.notString, conf.regexp, conf.tor))
if not conf.nullConnection:
debugMsg = "turning off --null-connection switch used indirectly by switch -o"
logger.debug(debugMsg)
def initTechnique(technique=None):
"""
Prepares data for technique specified
"""
try:
data = getTechniqueData(technique)
resetCounter(technique)
if data:
kb.pageTemplate, kb.errorIsNone = getPageTemplate(data.templatePayload, kb.injection.place)
kb.matchRatio = data.matchRatio
kb.negativeLogic = (technique == PAYLOAD.TECHNIQUE.BOOLEAN) and (data.where == PAYLOAD.WHERE.NEGATIVE)
# Restoring stored conf options
for key, value in kb.injection.conf.items():
if value and (not hasattr(conf, key) or (hasattr(conf, key) and not getattr(conf, key))):
setattr(conf, key, value)
debugMsg = "resuming configuration option '%s' (%s)" % (key, value)
logger.debug(debugMsg)
if value and key == "optimize":
setOptimize()
else:
warnMsg = "there is no injection data available for technique "
warnMsg += "'%s'" % enumValueToNameLookup(PAYLOAD.TECHNIQUE, technique)
logger.warn(warnMsg)
except SqlmapDataException:
errMsg = "missing data in old session file(s). "
errMsg += "Please use '--flush-session' to deal "
errMsg += "with this error"
raise SqlmapNoneDataException(errMsg)
def arrayizeValue(value):
"""
Makes a list out of value if it is not already a list or tuple itself
>>> arrayizeValue(u'1')
[u'1']
"""
if not isListLike(value):
value = [value]
return value
def unArrayizeValue(value):
"""
Makes a value out of iterable if it is a list or tuple itself
>>> unArrayizeValue([u'1'])
u'1'
"""
if isListLike(value):
value = value[0] if len(value) > 0 else None
return value
def flattenValue(value):
"""
Returns an iterator representing flat representation of a given value
>>> [_ for _ in flattenValue([[u'1'], [[u'2'], u'3']])]
[u'1', u'2', u'3']
"""
for i in iter(value):
if isListLike(i):
for j in flattenValue(i):
yield j
else:
yield i
def isListLike(value):
"""
Returns True if the given value is a list-like instance
>>> isListLike([1, 2, 3])
True
>>> isListLike(u'2')
False
"""
return isinstance(value, (list, tuple, set, BigArray))
def getSortedInjectionTests():
"""
Returns prioritized test list by eventually detected DBMS from error
messages
"""
retVal = copy.deepcopy(conf.tests)
def priorityFunction(test):
retVal = SORT_ORDER.FIRST
if test.stype == PAYLOAD.TECHNIQUE.UNION:
retVal = SORT_ORDER.LAST
elif 'details' in test and 'dbms' in test.details:
if intersect(test.details.dbms, Backend.getIdentifiedDbms()):
retVal = SORT_ORDER.SECOND
else:
retVal = SORT_ORDER.THIRD
return retVal
if Backend.getIdentifiedDbms():
retVal = sorted(retVal, key=priorityFunction)
return retVal
def filterListValue(value, regex):
"""
Returns list with items that have parts satisfying given regular
expression
>>> filterListValue(['users', 'admins', 'logs'], r'(users|admins)')
['users', 'admins']
"""
if isinstance(value, list) and regex:
retVal = filter(lambda _: re.search(regex, _, re.I), value)
else:
retVal = value
return retVal
def showHttpErrorCodes():
"""
Shows all HTTP error codes raised till now
"""
if kb.httpErrorCodes:
warnMsg = "HTTP error codes detected during run:\n"
warnMsg += ", ".join("%d (%s) - %d times" % (code, httplib.responses[code] \
if code in httplib.responses else '?', count) \
for code, count in kb.httpErrorCodes.items())
logger.warn(warnMsg)
if any((str(_).startswith('4') or str(_).startswith('5')) and _ != httplib.INTERNAL_SERVER_ERROR and _ != kb.originalCode for _ in kb.httpErrorCodes.keys()):
msg = "too many 4xx and/or 5xx HTTP error codes "
msg += "could mean that some kind of protection is involved (e.g. WAF)"
logger.debug(msg)
def openFile(filename, mode='r', encoding=UNICODE_ENCODING, errors="replace", buffering=1):
"""
Returns file handle of a given filename
"""
try:
return codecs.open(filename, mode, encoding, errors, buffering)
except IOError:
errMsg = "there has been a file opening error for filename '%s'. " % filename
errMsg += "Please check %s permissions on a file " % ("write" if \
mode and ('w' in mode or 'a' in mode or '+' in mode) else "read")
errMsg += "and that it's not locked by another process."
raise SqlmapSystemException(errMsg)
def decodeIntToUnicode(value):
"""
Decodes inferenced integer value to an unicode character
>>> decodeIntToUnicode(35)
u'#'
>>> decodeIntToUnicode(64)
u'@'
"""
retVal = value
if isinstance(value, int):
try:
if value > 255:
_ = "%x" % value
if len(_) % 2 == 1:
_ = "0%s" % _
retVal = getUnicode(hexdecode(_), encoding="UTF-16" if Backend.isDbms(DBMS.MSSQL) else None)
else:
retVal = getUnicode(chr(value))
except:
retVal = INFERENCE_UNKNOWN_CHAR
return retVal
def unhandledExceptionMessage():
"""
Returns detailed message about occurred unhandled exception
"""
errMsg = "unhandled exception occurred in %s. It is recommended to retry your " % VERSION_STRING
errMsg += "run with the latest development version from official GitHub "
errMsg += "repository at '%s'. If the exception persists, please open a new issue " % GIT_PAGE
errMsg += "at '%s' " % ISSUES_PAGE
errMsg += "with the following text and any other information required to "
errMsg += "reproduce the bug. The "
errMsg += "developers will try to reproduce the bug, fix it accordingly "
errMsg += "and get back to you\n"
errMsg += "sqlmap version: %s\n" % VERSION_STRING[VERSION_STRING.find('/') + 1:]
errMsg += "Python version: %s\n" % PYVERSION
errMsg += "Operating system: %s\n" % PLATFORM
errMsg += "Command line: %s\n" % re.sub(r".+?\bsqlmap.py\b", "sqlmap.py", getUnicode(" ".join(sys.argv), encoding=sys.stdin.encoding))
errMsg += "Technique: %s\n" % (enumValueToNameLookup(PAYLOAD.TECHNIQUE, kb.technique) if kb.get("technique") else ("DIRECT" if conf.get("direct") else None))
errMsg += "Back-end DBMS: %s" % ("%s (fingerprinted)" % Backend.getDbms() if Backend.getDbms() is not None else "%s (identified)" % Backend.getIdentifiedDbms())
return errMsg
def createGithubIssue(errMsg, excMsg):
"""
Automatically create a Github issue with unhandled exception information
"""
issues = []
try:
issues = getFileItems(paths.GITHUB_HISTORY, unique=True)
except:
pass
finally:
issues = set(issues)
_ = re.sub(r"'[^']+'", "''", excMsg)
_ = re.sub(r"\s+line \d+", "", _)
_ = re.sub(r'File ".+?/(\w+\.py)', "\g<1>", _)
_ = re.sub(r".+\Z", "", _)
key = hashlib.md5(_).hexdigest()[:8]
if key in issues:
return
msg = "\ndo you want to automatically create a new (anonymized) issue "
msg += "with the unhandled exception information at "
msg += "the official Github repository? [y/N] "
try:
test = readInput(msg, default="N")
except:
test = None
if test and test[0] in ("y", "Y"):
ex = None
errMsg = errMsg[errMsg.find("\n"):]
data = {"title": "Unhandled exception (#%s)" % key, "body": "```%s\n```\n```\n%s```" % (errMsg, excMsg)}
req = urllib2.Request(url="https://api.github.com/repos/sqlmapproject/sqlmap/issues", data=json.dumps(data), headers={"Authorization": "token %s" % GITHUB_REPORT_OAUTH_TOKEN.decode("base64")})
try:
f = urllib2.urlopen(req)
content = f.read()
except Exception, ex:
content = None
issueUrl = re.search(r"https://github.com/sqlmapproject/sqlmap/issues/\d+", content or "")
if issueUrl:
infoMsg = "created Github issue can been found at the address '%s'" % issueUrl.group(0)
logger.info(infoMsg)
try:
with open(paths.GITHUB_HISTORY, "a+b") as f:
f.write("%s\n" % key)
except:
pass
else:
warnMsg = "something went wrong while creating a Github issue"
if ex:
warnMsg += " ('%s')" % ex
if "Unauthorized" in warnMsg:
warnMsg += ". Please update to the latest revision"
logger.warn(warnMsg)
def maskSensitiveData(msg):
"""
Masks sensitive data in the supplied message
"""
retVal = getUnicode(msg)
for item in filter(None, map(lambda x: conf.get(x), ("hostname", "googleDork", "authCred", "proxyCred", "tbl", "db", "col", "user", "cookie", "proxy", "rFile", "wFile", "dFile"))):
regex = SENSITIVE_DATA_REGEX % re.sub("(\W)", r"\\\1", getUnicode(item))
while extractRegexResult(regex, retVal):
value = extractRegexResult(regex, retVal)
retVal = retVal.replace(value, '*' * len(value))
if not conf.get("hostname"):
match = re.search(r"(?i)sqlmap.+(-u|--url)(\s+|=)([^ ]+)", retVal)
if match:
retVal = retVal.replace(match.group(3), '*' * len(match.group(3)))
if getpass.getuser():
retVal = re.sub(r"(?i)\b%s\b" % re.escape(getpass.getuser()), "*" * len(getpass.getuser()), retVal)
return retVal
def listToStrValue(value):
"""
Flattens list to a string value
>>> listToStrValue([1,2,3])
'1, 2, 3'
"""
if isinstance(value, (set, tuple)):
value = list(value)
if isinstance(value, list):
retVal = value.__str__().lstrip('[').rstrip(']')
else:
retVal = value
return retVal
def getExceptionFrameLocals():
"""
Returns dictionary with local variable content from frame
where exception has been raised
"""
retVal = {}
if sys.exc_info():
trace = sys.exc_info()[2]
while trace.tb_next:
trace = trace.tb_next
retVal = trace.tb_frame.f_locals
return retVal
def intersect(valueA, valueB, lowerCase=False):
"""
Returns intersection of the array-ized values
>>> intersect([1, 2, 3], set([1,3]))
[1, 3]
"""
retVal = []
if valueA and valueB:
valueA = arrayizeValue(valueA)
valueB = arrayizeValue(valueB)
if lowerCase:
valueA = [val.lower() if isinstance(val, basestring) else val for val in valueA]
valueB = [val.lower() if isinstance(val, basestring) else val for val in valueB]
retVal = [val for val in valueA if val in valueB]
return retVal
def cpuThrottle(value):
"""
Does a CPU throttling for lesser CPU consumption
"""
delay = 0.00001 * (value ** 2)
time.sleep(delay)
def removeReflectiveValues(content, payload, suppressWarning=False):
"""
Neutralizes reflective values in a given content based on a payload
(e.g. ..search.php?q=1 AND 1=2 --> "...searching for <b>1%20AND%201%3D2</b>..." --> "...searching for <b>__REFLECTED_VALUE__</b>...")
"""
retVal = content
if all([content, payload]) and isinstance(content, unicode) and kb.reflectiveMechanism and not kb.heuristicMode:
def _(value):
while 2 * REFLECTED_REPLACEMENT_REGEX in value:
value = value.replace(2 * REFLECTED_REPLACEMENT_REGEX, REFLECTED_REPLACEMENT_REGEX)
return value
payload = getUnicode(urldecode(payload.replace(PAYLOAD_DELIMITER, ''), convall=True))
regex = _(filterStringValue(payload, r"[A-Za-z0-9]", REFLECTED_REPLACEMENT_REGEX.encode("string-escape")))
if regex != payload:
if all(part.lower() in content.lower() for part in filter(None, regex.split(REFLECTED_REPLACEMENT_REGEX))[1:]): # fast optimization check
parts = regex.split(REFLECTED_REPLACEMENT_REGEX)
retVal = content.replace(payload, REFLECTED_VALUE_MARKER) # dummy approach
if len(parts) > REFLECTED_MAX_REGEX_PARTS: # preventing CPU hogs
regex = _("%s%s%s" % (REFLECTED_REPLACEMENT_REGEX.join(parts[:REFLECTED_MAX_REGEX_PARTS / 2]), REFLECTED_REPLACEMENT_REGEX, REFLECTED_REPLACEMENT_REGEX.join(parts[-REFLECTED_MAX_REGEX_PARTS / 2:])))
parts = filter(None, regex.split(REFLECTED_REPLACEMENT_REGEX))
if regex.startswith(REFLECTED_REPLACEMENT_REGEX):
regex = r"%s%s" % (REFLECTED_BORDER_REGEX, regex[len(REFLECTED_REPLACEMENT_REGEX):])
else:
regex = r"\b%s" % regex
if regex.endswith(REFLECTED_REPLACEMENT_REGEX):
regex = r"%s%s" % (regex[:-len(REFLECTED_REPLACEMENT_REGEX)], REFLECTED_BORDER_REGEX)
else:
regex = r"%s\b" % regex
retVal = re.sub(r"(?i)%s" % regex, REFLECTED_VALUE_MARKER, retVal)
if len(parts) > 2:
regex = REFLECTED_REPLACEMENT_REGEX.join(parts[1:])
retVal = re.sub(r"(?i)\b%s\b" % regex, REFLECTED_VALUE_MARKER, retVal)
if retVal != content:
kb.reflectiveCounters[REFLECTIVE_COUNTER.HIT] += 1
if not suppressWarning:
warnMsg = "reflective value(s) found and filtering out"
singleTimeWarnMessage(warnMsg)
if re.search(r"FRAME[^>]+src=[^>]*%s" % REFLECTED_VALUE_MARKER, retVal, re.I):
warnMsg = "frames detected containing attacked parameter values. Please be sure to "
warnMsg += "test those separately in case that attack on this page fails"
singleTimeWarnMessage(warnMsg)
elif not kb.testMode and not kb.reflectiveCounters[REFLECTIVE_COUNTER.HIT]:
kb.reflectiveCounters[REFLECTIVE_COUNTER.MISS] += 1
if kb.reflectiveCounters[REFLECTIVE_COUNTER.MISS] > REFLECTIVE_MISS_THRESHOLD:
kb.reflectiveMechanism = False
if not suppressWarning:
debugMsg = "turning off reflection removal mechanism (for optimization purposes)"
logger.debug(debugMsg)
return retVal
def normalizeUnicode(value):
"""
Does an ASCII normalization of unicode strings
Reference: http://www.peterbe.com/plog/unicode-to-ascii
>>> normalizeUnicode(u'\u0161u\u0107uraj')
'sucuraj'
"""
return unicodedata.normalize('NFKD', value).encode('ascii', 'ignore') if isinstance(value, unicode) else value
def safeSQLIdentificatorNaming(name, isTable=False):
"""
Returns a safe representation of SQL identificator name (internal data format)
Reference: http://stackoverflow.com/questions/954884/what-special-characters-are-allowed-in-t-sql-column-retVal
"""
retVal = name
if isinstance(name, basestring):
retVal = getUnicode(name)
_ = isTable and Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE)
if _:
retVal = re.sub(r"(?i)\A%s\." % DEFAULT_MSSQL_SCHEMA, "", retVal)
if retVal.upper() in kb.keywords or (retVal or " ")[0].isdigit() or not re.match(r"\A[A-Za-z0-9_@%s\$]+\Z" % ("." if _ else ""), retVal): # MsSQL is the only DBMS where we automatically prepend schema to table name (dot is normal)
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.ACCESS):
retVal = "`%s`" % retVal.strip("`")
elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.DB2):
retVal = "\"%s\"" % retVal.strip("\"")
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,):
retVal = "\"%s\"" % retVal.strip("\"").upper()
elif Backend.getIdentifiedDbms() in (DBMS.MSSQL,) and not re.match(r"\A\w+\Z", retVal, re.U):
retVal = "[%s]" % retVal.strip("[]")
if _ and DEFAULT_MSSQL_SCHEMA not in retVal and '.' not in re.sub(r"\[[^]]+\]", "", retVal):
retVal = "%s.%s" % (DEFAULT_MSSQL_SCHEMA, retVal)
return retVal
def unsafeSQLIdentificatorNaming(name):
"""
Extracts identificator's name from its safe SQL representation
"""
retVal = name
if isinstance(name, basestring):
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.ACCESS):
retVal = name.replace("`", "")
elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.DB2):
retVal = name.replace("\"", "")
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,):
retVal = name.replace("\"", "").upper()
elif Backend.getIdentifiedDbms() in (DBMS.MSSQL,):
retVal = name.replace("[", "").replace("]", "")
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
prefix = "%s." % DEFAULT_MSSQL_SCHEMA
if retVal.startswith(prefix):
retVal = retVal[len(prefix):]
return retVal
def isNoneValue(value):
"""
Returns whether the value is unusable (None or '')
>>> isNoneValue(None)
True
>>> isNoneValue('None')
True
>>> isNoneValue('')
True
>>> isNoneValue([])
True
>>> isNoneValue([2])
False
"""
if isinstance(value, basestring):
return value in ("None", "")
elif isListLike(value):
return all(isNoneValue(_) for _ in value)
elif isinstance(value, dict):
return not any(value)
else:
return value is None
def isNullValue(value):
"""
Returns whether the value contains explicit 'NULL' value
>>> isNullValue(u'NULL')
True
>>> isNullValue(u'foobar')
False
"""
return isinstance(value, basestring) and value.upper() == NULL
def expandMnemonics(mnemonics, parser, args):
"""
Expands mnemonic options
"""
class MnemonicNode(object):
def __init__(self):
self.next = {}
self.current = []
head = MnemonicNode()
pointer = None
for group in parser.option_groups:
for option in group.option_list:
for opt in option._long_opts + option._short_opts:
pointer = head
for char in opt:
if char == "-":
continue
elif char not in pointer.next:
pointer.next[char] = MnemonicNode()
pointer = pointer.next[char]
pointer.current.append(option)
for mnemonic in (mnemonics or "").split(','):
found = None
name = mnemonic.split('=')[0].replace("-", "").strip()
value = mnemonic.split('=')[1] if len(mnemonic.split('=')) > 1 else None
pointer = head
for char in name:
if char in pointer.next:
pointer = pointer.next[char]
else:
pointer = None
break
if pointer in (None, head):
errMsg = "mnemonic '%s' can't be resolved to any parameter name" % name
raise SqlmapSyntaxException(errMsg)
elif len(pointer.current) > 1:
options = {}
for option in pointer.current:
for opt in option._long_opts + option._short_opts:
opt = opt.strip('-')
if opt.startswith(name):
options[opt] = option
if not options:
warnMsg = "mnemonic '%s' can't be resolved" % name
logger.warn(warnMsg)
elif name in options:
found = name
debugMsg = "mnemonic '%s' resolved to %s). " % (name, found)
logger.debug(debugMsg)
else:
found = sorted(options.keys(), key=lambda x: len(x))[0]
warnMsg = "detected ambiguity (mnemonic '%s' can be resolved to: %s). " % (name, ", ".join("'%s'" % key for key in options.keys()))
warnMsg += "Resolved to shortest of those ('%s')" % found
logger.warn(warnMsg)
if found:
found = options[found]
else:
found = pointer.current[0]
debugMsg = "mnemonic '%s' resolved to %s). " % (name, found)
logger.debug(debugMsg)
if found:
try:
value = found.convert_value(found, value)
except OptionValueError:
value = None
if value is not None:
setattr(args, found.dest, value)
elif not found.type: # boolean
setattr(args, found.dest, True)
else:
errMsg = "mnemonic '%s' requires value of type '%s'" % (name, found.type)
raise SqlmapSyntaxException(errMsg)
def safeCSValue(value):
"""
Returns value safe for CSV dumping
Reference: http://tools.ietf.org/html/rfc4180
>>> safeCSValue(u'foo, bar')
u'"foo, bar"'
>>> safeCSValue(u'foobar')
u'foobar'
"""
retVal = value
if retVal and isinstance(retVal, basestring):
if not (retVal[0] == retVal[-1] == '"'):
if any(_ in retVal for _ in (conf.get("csvDel", defaults.csvDel), '"', '\n')):
retVal = '"%s"' % retVal.replace('"', '""')
return retVal
def filterPairValues(values):
"""
Returns only list-like values with length 2
>>> filterPairValues([[1, 2], [3], 1, [4, 5]])
[[1, 2], [4, 5]]
"""
retVal = []
if not isNoneValue(values) and hasattr(values, '__iter__'):
retVal = filter(lambda x: isinstance(x, (tuple, list, set)) and len(x) == 2, values)
return retVal
def randomizeParameterValue(value):
"""
Randomize a parameter value based on occurances of alphanumeric characters
>>> random.seed(0)
>>> randomizeParameterValue('foobar')
'rnvnav'
>>> randomizeParameterValue('17')
'83'
"""
retVal = value
value = re.sub(r"%[0-9a-fA-F]{2}", "", value)
for match in re.finditer('[A-Z]+', value):
retVal = retVal.replace(match.group(), randomStr(len(match.group())).upper())
for match in re.finditer('[a-z]+', value):
retVal = retVal.replace(match.group(), randomStr(len(match.group())).lower())
for match in re.finditer('[0-9]+', value):
retVal = retVal.replace(match.group(), str(randomInt(len(match.group()))))
return retVal
def asciifyUrl(url, forceQuote=False):
"""
Attempts to make a unicode URL usuable with ``urllib/urllib2``.
More specifically, it attempts to convert the unicode object ``url``,
which is meant to represent a IRI, to an unicode object that,
containing only ASCII characters, is a valid URI. This involves:
* IDNA/Puny-encoding the domain name.
* UTF8-quoting the path and querystring parts.
See also RFC 3987.
Reference: http://blog.elsdoerfer.name/2008/12/12/opening-iris-in-python/
>>> asciifyUrl(u'http://www.\u0161u\u0107uraj.com')
u'http://www.xn--uuraj-gxa24d.com'
"""
parts = urlparse.urlsplit(url)
if not parts.scheme or not parts.netloc:
# apparently not an url
return url
if all(char in string.printable for char in url):
return url
# idna-encode domain
try:
hostname = parts.hostname.encode("idna")
except LookupError:
hostname = parts.hostname.encode(UNICODE_ENCODING)
# UTF8-quote the other parts. We check each part individually if
# if needs to be quoted - that should catch some additional user
# errors, say for example an umlaut in the username even though
# the path *is* already quoted.
def quote(s, safe):
s = s or ''
# Triggers on non-ascii characters - another option would be:
# urllib.quote(s.replace('%', '')) != s.replace('%', '')
# which would trigger on all %-characters, e.g. "&".
if s.encode("ascii", "replace") != s or forceQuote:
return urllib.quote(s.encode(UNICODE_ENCODING), safe=safe)
return s
username = quote(parts.username, '')
password = quote(parts.password, safe='')
path = quote(parts.path, safe='/')
query = quote(parts.query, safe="&=")
# put everything back together
netloc = hostname
if username or password:
netloc = '@' + netloc
if password:
netloc = ':' + password + netloc
netloc = username + netloc
try:
port = parts.port
except:
port = None
if port:
netloc += ':' + str(port)
return urlparse.urlunsplit([parts.scheme, netloc, path, query, parts.fragment])
def isAdminFromPrivileges(privileges):
"""
Inspects privileges to see if those are comming from an admin user
"""
# In PostgreSQL the usesuper privilege means that the
# user is DBA
retVal = (Backend.isDbms(DBMS.PGSQL) and "super" in privileges)
# In Oracle the DBA privilege means that the
# user is DBA
retVal |= (Backend.isDbms(DBMS.ORACLE) and "DBA" in privileges)
# In MySQL >= 5.0 the SUPER privilege means
# that the user is DBA
retVal |= (Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema and "SUPER" in privileges)
# In MySQL < 5.0 the super_priv privilege means
# that the user is DBA
retVal |= (Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema and "super_priv" in privileges)
# In Firebird there is no specific privilege that means
# that the user is DBA
# TODO: confirm
retVal |= (Backend.isDbms(DBMS.FIREBIRD) and all(_ in privileges for _ in ("SELECT", "INSERT", "UPDATE", "DELETE", "REFERENCES", "EXECUTE")))
return retVal
def findPageForms(content, url, raise_=False, addToTargets=False):
"""
Parses given page content for possible forms
"""
class _(StringIO):
def __init__(self, content, url):
StringIO.__init__(self, unicodeencode(content, kb.pageEncoding) if isinstance(content, unicode) else content)
self._url = url
def geturl(self):
return self._url
if not content:
errMsg = "can't parse forms as the page content appears to be blank"
if raise_:
raise SqlmapGenericException(errMsg)
else:
logger.debug(errMsg)
forms = None
retVal = set()
response = _(content, url)
try:
forms = ParseResponse(response, backwards_compat=False)
except UnicodeError:
pass
except ParseError:
if "<html" in (content or ""):
warnMsg = "badly formed HTML at the given URL ('%s'). Going to filter it" % url
logger.warning(warnMsg)
filtered = _("".join(re.findall(FORM_SEARCH_REGEX, content)), url)
try:
forms = ParseResponse(filtered, backwards_compat=False)
except ParseError:
errMsg = "no success"
if raise_:
raise SqlmapGenericException(errMsg)
else:
logger.debug(errMsg)
if forms:
for form in forms:
try:
for control in form.controls:
if hasattr(control, "items") and not control.disabled:
# if control has selectable items select first non-disabled
for item in control.items:
if not item.disabled:
if not item.selected:
item.selected = True
break
request = form.click()
except (ValueError, TypeError), ex:
errMsg = "there has been a problem while "
errMsg += "processing page forms ('%s')" % ex
if raise_:
raise SqlmapGenericException(errMsg)
else:
logger.debug(errMsg)
else:
url = urldecode(request.get_full_url(), kb.pageEncoding)
method = request.get_method()
data = request.get_data() if request.has_data() else None
data = urldecode(data, kb.pageEncoding, plusspace=False)
if not data and method and method.upper() == HTTPMETHOD.POST:
debugMsg = "invalid POST form with blank data detected"
logger.debug(debugMsg)
continue
# flag to know if we are dealing with the same target host
_ = reduce(lambda x, y: x == y, map(lambda x: urlparse.urlparse(x).netloc.split(':')[0], (response.geturl(), url)))
if conf.scope:
if not re.search(conf.scope, url, re.I):
continue
elif not _:
continue
else:
target = (url, method, data, conf.cookie, None)
retVal.add(target)
else:
errMsg = "there were no forms found at the given target URL"
if raise_:
raise SqlmapGenericException(errMsg)
else:
logger.debug(errMsg)
if addToTargets and retVal:
for target in retVal:
kb.targets.add(target)
return retVal
def getHostHeader(url):
"""
Returns proper Host header value for a given target URL
>>> getHostHeader('http://www.target.com/vuln.php?id=1')
'www.target.com'
"""
retVal = url
if url:
retVal = urlparse.urlparse(url).netloc
if re.search("http(s)?://\[.+\]", url, re.I):
retVal = extractRegexResult("http(s)?://\[(?P<result>.+)\]", url)
elif any(retVal.endswith(':%d' % _) for _ in (80, 443)):
retVal = retVal.split(':')[0]
return retVal
def checkDeprecatedOptions(args):
"""
Checks for deprecated options
"""
for _ in args:
if _ in DEPRECATED_OPTIONS:
errMsg = "switch/option '%s' is deprecated" % _
if DEPRECATED_OPTIONS[_]:
errMsg += " (hint: %s)" % DEPRECATED_OPTIONS[_]
raise SqlmapSyntaxException(errMsg)
def checkSystemEncoding():
"""
Checks for problematic encodings
"""
if sys.getdefaultencoding() == "cp720":
try:
codecs.lookup("cp720")
except LookupError:
errMsg = "there is a known Python issue (#1616979) related "
errMsg += "to support for charset 'cp720'. Please visit "
errMsg += "'http://blog.oneortheother.info/tip/python-fix-cp720-encoding/index.html' "
errMsg += "and follow the instructions to be able to fix it"
logger.critical(errMsg)
warnMsg = "temporary switching to charset 'cp1256'"
logger.warn(warnMsg)
reload(sys)
sys.setdefaultencoding("cp1256")
def evaluateCode(code, variables=None):
"""
Executes given python code given in a string form
"""
try:
exec(code, variables)
except KeyboardInterrupt:
raise
except Exception, ex:
errMsg = "an error occurred while evaluating provided code ('%s') " % ex.message
raise SqlmapGenericException(errMsg)
def serializeObject(object_):
"""
Serializes given object
"""
return base64pickle(object_)
def unserializeObject(value):
"""
Unserializes object from given serialized form
>>> unserializeObject(serializeObject([1, 2, 3])) == [1, 2, 3]
True
"""
return base64unpickle(value) if value else None
def resetCounter(technique):
"""
Resets query counter for a given technique
"""
kb.counters[technique] = 0
def incrementCounter(technique):
"""
Increments query counter for a given technique
"""
kb.counters[technique] = getCounter(technique) + 1
def getCounter(technique):
"""
Returns query counter for a given technique
"""
return kb.counters.get(technique, 0)
def applyFunctionRecursively(value, function):
"""
Applies function recursively through list-like structures
>>> applyFunctionRecursively([1, 2, [3, 4, [19]], -9], lambda _: _ > 0)
[True, True, [True, True, [True]], False]
"""
if isListLike(value):
retVal = [applyFunctionRecursively(_, function) for _ in value]
else:
retVal = function(value)
return retVal
def decodeHexValue(value, raw=False):
"""
Returns value decoded from DBMS specific hexadecimal representation
>>> decodeHexValue('3132332031')
u'123 1'
"""
retVal = value
def _(value):
retVal = value
if value and isinstance(value, basestring) and len(value) % 2 == 0:
retVal = hexdecode(retVal)
if not kb.binaryField and not raw:
if Backend.isDbms(DBMS.MSSQL) and value.startswith("0x"):
try:
retVal = retVal.decode("utf-16-le")
except UnicodeDecodeError:
pass
elif Backend.isDbms(DBMS.HSQLDB):
try:
retVal = retVal.decode("utf-16-be")
except UnicodeDecodeError:
pass
if not isinstance(retVal, unicode):
retVal = getUnicode(retVal, "utf8")
return retVal
try:
retVal = applyFunctionRecursively(value, _)
except:
singleTimeWarnMessage("there was a problem decoding value '%s' from expected hexadecimal form" % value)
return retVal
def extractExpectedValue(value, expected):
"""
Extracts and returns expected value by a given type
>>> extractExpectedValue(['1'], EXPECTED.BOOL)
True
>>> extractExpectedValue('1', EXPECTED.INT)
1
"""
if expected:
value = unArrayizeValue(value)
if isNoneValue(value):
value = None
elif expected == EXPECTED.BOOL:
if isinstance(value, int):
value = bool(value)
elif isinstance(value, basestring):
value = value.strip().lower()
if value in ("true", "false"):
value = value == "true"
elif value in ("1", "-1"):
value = True
elif value == "0":
value = False
else:
value = None
elif expected == EXPECTED.INT:
if isinstance(value, basestring):
value = int(value) if value.isdigit() else None
return value
def hashDBWrite(key, value, serialize=False):
"""
Helper function for writing session data to HashDB
"""
_ = "%s%s%s" % (conf.url or "%s%s" % (conf.hostname, conf.port), key, HASHDB_MILESTONE_VALUE)
conf.hashDB.write(_, value, serialize)
def hashDBRetrieve(key, unserialize=False, checkConf=False):
"""
Helper function for restoring session data from HashDB
"""
_ = "%s%s%s" % (conf.url or "%s%s" % (conf.hostname, conf.port), key, HASHDB_MILESTONE_VALUE)
retVal = conf.hashDB.retrieve(_, unserialize) if kb.resumeValues and not (checkConf and any((conf.flushSession, conf.freshQueries))) else None
if not kb.inferenceMode and not kb.fileReadMode and any(_ in (retVal or "") for _ in (PARTIAL_VALUE_MARKER, PARTIAL_HEX_VALUE_MARKER)):
retVal = None
return retVal
def resetCookieJar(cookieJar):
"""
Cleans cookies from a given cookie jar
"""
if not conf.loadCookies:
cookieJar.clear()
else:
try:
if not cookieJar.filename:
infoMsg = "loading cookies from '%s'" % conf.loadCookies
logger.info(infoMsg)
content = readCachedFileContent(conf.loadCookies)
lines = filter(None, (line.strip() for line in content.split("\n") if not line.startswith('#')))
handle, filename = tempfile.mkstemp(prefix="sqlmapcj-")
os.close(handle)
# Reference: http://www.hashbangcode.com/blog/netscape-http-cooke-file-parser-php-584.html
with open(filename, "w+b") as f:
f.write("%s\n" % NETSCAPE_FORMAT_HEADER_COOKIES)
for line in lines:
_ = line.split("\t")
if len(_) == 7:
_[4] = FORCE_COOKIE_EXPIRATION_TIME
f.write("\n%s" % "\t".join(_))
cookieJar.filename = filename
cookieJar.load(cookieJar.filename, ignore_expires=True)
for cookie in cookieJar:
if cookie.expires < time.time():
warnMsg = "cookie '%s' has expired" % cookie
singleTimeWarnMessage(warnMsg)
cookieJar.clear_expired_cookies()
if not cookieJar._cookies:
errMsg = "no valid cookies found"
raise SqlmapGenericException(errMsg)
except cookielib.LoadError, msg:
errMsg = "there was a problem loading "
errMsg += "cookies file ('%s')" % re.sub(r"(cookies) file '[^']+'", "\g<1>", str(msg))
raise SqlmapGenericException(errMsg)
def decloakToTemp(filename):
"""
Decloaks content of a given file to a temporary file with similar name and extension
"""
content = decloak(filename)
_ = os.path.split(filename[:-1])[-1]
prefix, suffix = os.path.splitext(_)
prefix = prefix.split(os.extsep)[0]
handle, filename = tempfile.mkstemp(prefix=prefix, suffix=suffix)
os.close(handle)
with open(filename, "w+b") as f:
f.write(content)
return filename
def prioritySortColumns(columns):
"""
Sorts given column names by length in ascending order while those containing
string 'id' go first
>>> prioritySortColumns(['password', 'userid', 'name'])
['userid', 'name', 'password']
"""
_ = lambda x: x and "id" in x.lower()
return sorted(sorted(columns, key=len), lambda x, y: -1 if _(x) and not _(y) else 1 if not _(x) and _(y) else 0)
def getRequestHeader(request, name):
"""
Solving an issue with an urllib2 Request header case sensitivity
Reference: http://bugs.python.org/issue2275
"""
retVal = None
if request and name:
retVal = max(value if name.upper() == key.upper() else None for key, value in request.header_items())
return retVal
def isNumber(value):
"""
Returns True if the given value is a number-like object
>>> isNumber(1)
True
>>> isNumber('0')
True
>>> isNumber('foobar')
False
"""
try:
float(value)
except:
return False
else:
return True
def zeroDepthSearch(expression, value):
"""
Searches occurrences of value inside expression at 0-depth level
regarding the parentheses
"""
retVal = []
depth = 0
for index in xrange(len(expression)):
if expression[index] == '(':
depth += 1
elif expression[index] == ')':
depth -= 1
elif depth == 0 and expression[index:index + len(value)] == value:
retVal.append(index)
return retVal
def splitFields(fields, delimiter=','):
"""
Returns list of (0-depth) fields splitted by delimiter
>>> splitFields('foo, bar, max(foo, bar)')
['foo', 'bar', 'max(foo,bar)']
"""
fields = fields.replace("%s " % delimiter, delimiter)
commas = [-1, len(fields)]
commas.extend(zeroDepthSearch(fields, ','))
commas = sorted(commas)
return [fields[x + 1:y] for (x, y) in zip(commas, commas[1:])]
def pollProcess(process, suppress_errors=False):
"""
Checks for process status (prints . if still running)
"""
while True:
dataToStdout(".")
time.sleep(1)
returncode = process.poll()
if returncode is not None:
if not suppress_errors:
if returncode == 0:
dataToStdout(" done\n")
elif returncode < 0:
dataToStdout(" process terminated by signal %d\n" % returncode)
elif returncode > 0:
dataToStdout(" quit unexpectedly with return code %d\n" % returncode)
break