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14de5809ea
sqlmap/lib/core/common.py
Miroslav Stampar 5e768be509 minor bug fix
2011-01-31 09:34:54 +00:00

2295 lines
68 KiB
Python
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#!/usr/bin/env python
"""
$Id$
Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""
import codecs
import ctypes
import inspect
import os
import random
import re
import socket
import string
import sys
import time
import urlparse
import ntpath
import posixpath
import httplib
import struct
from ConfigParser import DEFAULTSECT
from ConfigParser import RawConfigParser
from StringIO import StringIO
from difflib import SequenceMatcher
from math import sqrt
from subprocess import PIPE
from subprocess import Popen as execute
from tempfile import NamedTemporaryFile
from tempfile import mkstemp
from xml.etree import ElementTree as ET
from xml.dom import minidom
from xml.sax import parse
from extra.cloak.cloak import decloak
from lib.contrib import magic
from lib.core.data import conf
from lib.core.data import dbmsDict
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import paths
from lib.core.data import queries
from lib.core.convert import htmlunescape
from lib.core.convert import urldecode
from lib.core.convert import urlencode
from lib.core.enums import DBMS
from lib.core.enums import PLACE
from lib.core.enums import PAYLOAD
from lib.core.enums import SORTORDER
from lib.core.exception import sqlmapDataException
from lib.core.exception import sqlmapFilePathException
from lib.core.exception import sqlmapGenericException
from lib.core.exception import sqlmapNoneDataException
from lib.core.exception import sqlmapMissingDependence
from lib.core.exception import sqlmapSyntaxException
from lib.core.optiondict import optDict
from lib.core.settings import INFERENCE_UNKNOWN_CHAR
from lib.core.settings import UNICODE_ENCODING
from lib.core.settings import DESCRIPTION
from lib.core.settings import IS_WIN
from lib.core.settings import PLATFORM
from lib.core.settings import PYVERSION
from lib.core.settings import VERSION
from lib.core.settings import REVISION
from lib.core.settings import VERSION_STRING
from lib.core.settings import SITE
from lib.core.settings import ERROR_PARSING_REGEXES
from lib.core.settings import NON_CONTROL_CHAR_REGEX
from lib.core.settings import SQL_STATEMENTS
from lib.core.settings import SUPPORTED_DBMS
from lib.core.settings import UNKNOWN_DBMS_VERSION
from lib.core.settings import DUMP_NEWLINE_MARKER
from lib.core.settings import DUMP_CR_MARKER
from lib.core.settings import DUMP_DEL_MARKER
from lib.core.settings import DUMP_TAB_MARKER
from lib.core.settings import DUMP_START_MARKER
from lib.core.settings import DUMP_STOP_MARKER
from lib.core.settings import MIN_TIME_RESPONSES
from lib.core.settings import TIME_DEFAULT_DELAY
from lib.core.settings import TIME_STDEV_COEFF
from lib.core.settings import DYNAMICITY_MARK_LENGTH
from lib.core.settings import UNKNOWN_DBMS_VERSION
from lib.core.threads import getCurrentThreadData
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 DynamicContentItem:
"""
Represents line in content page with dynamic properties (candidate
for removal prior detection phase)
"""
def __init__(self, lineNumber, pageTotal, lineContentBefore, lineContentAfter):
self.lineNumber = lineNumber
self.pageTotal = pageTotal
self.lineContentBefore = lineContentBefore
self.lineContentAfter = lineContentAfter
class Format:
@staticmethod
def humanize(values, chain=" or "):
strJoin = "|".join([v for v in values])
return strJoin.replace("|", chain)
# 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()
if versions is None:
return Backend.getDbms()
else:
return "%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 = ""
if len(kb.htmlFp) == 0:
return None
elif len(kb.htmlFp) == 1:
htmlParsed = kb.htmlFp[0]
elif len(kb.htmlFp) > 1:
htmlParsed = " or ".join([htmlFp for htmlFp in 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 = ""
if info and "type" in info:
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:
infoStr += "\nweb application technology: %s" % Format.humanize(info["technology"], ", ")
return infoStr
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:
msg = "sqlmap previously fingerprinted back-end DBMS "
msg += "%s. However now it has been fingerprinted " % kb.dbms
msg += "to be %s. " % dbms
msg += "Please, specify which DBMS is "
msg += "correct [%s (default)/%s] " % (kb.dbms, dbms)
while True:
inp = readInput(msg, default=kb.dbms)
if aliasToDbmsEnum(inp) == kb.dbms:
break
elif aliasToDbmsEnum(inp) == dbms:
kb.dbms = aliasToDbmsEnum(inp)
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):
kb.misc.forcedDbms = aliasToDbmsEnum(dbms)
@staticmethod
def flushForcedDbms():
kb.misc.forcedDbms = None
@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 kb.os != os:
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:
inp = readInput(msg, default=kb.os)
if inp == kb.os:
break
elif inp == os:
kb.os = inp
break
else:
warnMsg = "invalid value"
logger.warn(warnMsg)
elif kb.os is None:
kb.os = os
return kb.os
# Get methods
@staticmethod
def getForcedDbms():
return aliasToDbmsEnum(kb.misc.forcedDbms)
@staticmethod
def getDbms():
return aliasToDbmsEnum(kb.dbms)
@staticmethod
def getErrorParsedDBMSes():
"""
Returns array with parsed DBMS names till now
This functions is called to:
1. Sort the tests, getSortedInjectionTests() - detection phase.
2. Ask user whether or not skip specific DBMS tests in detection phase,
lib/controller/checks.py - detection phase.
3. Sort the fingerprint of the DBMS, lib/controller/handler.py -
fingerprint phase.
"""
return kb.htmlFp
@staticmethod
def getIdentifiedDbms():
dbms = None
if Backend.getForcedDbms() is not None:
dbms = Backend.getForcedDbms()
elif Backend.getDbms() is not None:
dbms = kb.dbms
elif conf.dbms is not None:
dbms = conf.dbms
elif len(Backend.getErrorParsedDBMSes()) > 0:
dbms = Backend.getErrorParsedDBMSes()[0]
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
# Comparison methods
@staticmethod
def isDbms(dbms):
return Backend.getDbms() is not None and Backend.getDbms() == 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 dbmsVersion in Backend.getVersionList():
if dbmsVersion == UNKNOWN_DBMS_VERSION:
continue
elif dbmsVersion in versionList:
return True
return False
@staticmethod
def isVersionGreaterOrEqualThan(version):
return Backend.getVersion() is not None and str(Backend.getVersion()) >= str(version)
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.
@param place: where sqlmap has to work, can be GET, POST or Cookie.
@type place: C{str}
@param parameters: parameters string in the format for instance
'p1=v1&p2=v2' (GET and POST) or 'p1=v1;p2=v2' (Cookie).
@type parameters: C{str}
@return: the parameters in a dictionary.
@rtype: C{str}
"""
testableParameters = {}
if conf.parameters.has_key(place) and not parameters:
parameters = conf.parameters[place]
if place != "POSTxml":
parameters = parameters.replace(", ", ",")
if place == PLACE.COOKIE:
splitParams = parameters.split(";")
else:
splitParams = parameters.split("&")
for element in splitParams:
elem = element.split("=")
if len(elem) == 2:
parameter = elem[0].replace(" ", "")
condition = not conf.testParameter
condition |= parameter in conf.testParameter
if condition:
testableParameters[parameter] = elem[1]
else:
root = ET.XML(parameters)
iterator = root.getiterator()
for child in iterator:
parameter = child.tag
if "}" in parameter:
testParam = parameter.split("}")[1]
else:
testParam = parameter
condition = not conf.testParameter
condition |= testParam in conf.testParameter
if condition:
testableParameters[parameter] = child.text
if conf.testParameter and not testableParameters:
paramStr = ", ".join(test for test in conf.testParameter)
if len(conf.testParameter) > 1:
warnMsg = "the testable parameters '%s' " % paramStr
warnMsg += "you provided are not into the %s" % place
else:
parameter = conf.testParameter[0]
warnMsg = "the testable parameter '%s' " % paramStr
warnMsg += "you provided is not into the %s" % place
logger.warn(warnMsg)
elif len(conf.testParameter) != len(testableParameters.keys()):
for parameter in conf.testParameter:
if not testableParameters.has_key(parameter):
warnMsg = "the testable parameter '%s' " % parameter
warnMsg += "you provided is not into the %s" % place
logger.warn(warnMsg)
return testableParameters
def getDocRoot():
docRoot = None
pagePath = directoryPath(conf.path)
if kb.os == "Windows":
defaultDocRoot = ["C:/xampp/htdocs/", "C:/Inetpub/wwwroot/"]
else:
defaultDocRoot = ["/var/www/"]
if kb.absFilePaths:
for absFilePath in kb.absFilePaths:
if directoryPath(absFilePath) == '/':
continue
absFilePath = normalizePath(absFilePath)
absFilePathWin = None
if isWindowsPath(absFilePath):
absFilePathWin = posixToNtSlashes(absFilePath)
absFilePath = ntToPosixSlashes(absFilePath[2:])
elif isWindowsDriveLetterPath(absFilePath):
absFilePath = absFilePath[2:]
if pagePath in absFilePath:
index = absFilePath.index(pagePath)
docRoot = absFilePath[:index]
if len(docRoot) == 0:
docRoot = None
continue
if absFilePathWin:
docRoot = "C:/%s" % ntToPosixSlashes(docRoot)
docRoot = normalizePath(docRoot)
break
if docRoot:
infoMsg = "retrieved the web server document root: '%s'" % docRoot
logger.info(infoMsg)
else:
warnMsg = "unable to retrieve the web server document root"
logger.warn(warnMsg)
message = "please provide the web server document root "
message += "[%s]: " % ",".join(root for root in defaultDocRoot)
inputDocRoot = readInput(message, default=defaultDocRoot)
if inputDocRoot:
if isinstance(inputDocRoot, basestring):
docRoot = inputDocRoot.split(',')
else:
docRoot = inputDocRoot
else:
docRoot = defaultDocRoot
return docRoot
def getDirs():
directories = set("/")
if kb.absFilePaths:
infoMsg = "retrieved web server full 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)
directories.add(directory)
else:
warnMsg = "unable to retrieve any web server path"
logger.warn(warnMsg)
webDir = extractRegexResult(r"//[^/]+?/(?P<result>.*)/.", conf.url)
if webDir:
directories.add(webDir)
message = "please provide any additional web server full path to try "
message += "to upload the agent [Enter for None]: "
inputDirs = readInput(message)
if inputDirs:
inputDirs = inputDirs.replace(", ", ",")
inputDirs = inputDirs.split(",")
for inputDir in inputDirs:
if inputDir:
directories.add(inputDir)
return directories
def filePathToString(filePath):
strRepl = filePath.replace("/", "_").replace("\\", "_")
strRepl = strRepl.replace(" ", "_").replace(":", "_")
return strRepl
def dataToStdout(data, forceOutput=False):
if not ('threadException' in kb and kb.threadException):
if forceOutput or (conf.verbose > 0) and not getCurrentThreadData().disableStdOut:
try:
sys.stdout.write(data.encode(sys.stdout.encoding))
except:
sys.stdout.write(data.encode(UNICODE_ENCODING))
finally:
sys.stdout.flush()
def dataToSessionFile(data):
if not conf.sessionFile or kb.suppressSession:
return
conf.sessionFP.write(data)
conf.sessionFP.flush()
def dataToTrafficFile(data):
if not conf.trafficFile:
return
conf.trafficFP.write(data)
conf.trafficFP.flush()
def dataToDumpFile(dumpFile, data):
dumpFile.write(data)
dumpFile.flush()
def dataToOutFile(data):
if not data:
return "No data retrieved"
rFile = filePathToString(conf.rFile)
rFilePath = "%s%s%s" % (conf.filePath, os.sep, rFile)
rFileFP = codecs.open(rFilePath, "wb")
rFileFP.write(data)
rFileFP.flush()
rFileFP.close()
return rFilePath
def strToHex(inpStr):
"""
@param inpStr: inpStr to be converted into its hexadecimal value.
@type inpStr: C{str}
@return: the hexadecimal converted inpStr.
@rtype: C{str}
"""
hexStr = ""
for character in inpStr:
if character == "\n":
character = " "
hexChar = "%2x" % ord(character)
hexChar = hexChar.replace(" ", "0")
hexChar = hexChar.upper()
hexStr += hexChar
return hexStr
def readInput(message, default=None):
"""
@param message: message to display on terminal.
@type message: C{str}
@return: a string read from keyboard as input.
@rtype: C{str}
"""
if "\n" in message:
message += "\n> "
elif message[-1] == ']':
message += " "
if conf.batch and default:
infoMsg = "%s%s" % (message, getUnicode(default, UNICODE_ENCODING))
logger.info(infoMsg)
debugMsg = "used the default behaviour, running in batch mode"
logger.debug(debugMsg)
data = default
else:
data = raw_input(message.encode(sys.stdout.encoding or UNICODE_ENCODING))
if not data:
data = default
return data
def randomRange(start=0, stop=1000):
"""
@param start: starting number.
@type start: C{int}
@param stop: last number.
@type stop: C{int}
@return: a random number within the range.
@rtype: C{int}
"""
return int(random.randint(start, stop))
def randomInt(length=4):
"""
@param length: length of the random string.
@type length: C{int}
@return: a random string of digits.
@rtype: C{str}
"""
return int("".join([random.choice(string.digits) for _ in xrange(0, length)]))
def randomStr(length=4, lowercase=False, alphabet=None):
"""
@param length: length of the random string.
@type length: C{int}
@return: a random string of characters.
@rtype: C{str}
"""
if alphabet:
rndStr = "".join([random.choice(alphabet) for _ in xrange(0, length)])
elif lowercase:
rndStr = "".join([random.choice(string.lowercase) for _ in xrange(0, length)])
else:
rndStr = "".join([random.choice(string.letters) for _ in xrange(0, length)])
return rndStr
def sanitizeStr(inpStr):
"""
@param inpStr: inpStr to sanitize: cast to str datatype and replace
newlines with one space and strip carriage returns.
@type inpStr: C{str}
@return: sanitized inpStr
@rtype: C{str}
"""
cleanString = getUnicode(inpStr)
cleanString = cleanString.replace("\n", " ").replace("\r", "")
return cleanString
def checkFile(filename):
"""
@param filename: filename to check if it exists.
@type filename: C{str}
"""
if not os.path.exists(filename):
raise sqlmapFilePathException, "unable to read file '%s'" % filename
def replaceNewlineTabs(inpStr, stdout=False):
if inpStr is None:
return
if stdout:
replacedString = inpStr.replace("\n", " ").replace("\r", " ").replace("\t", " ")
else:
replacedString = inpStr.replace("\n", DUMP_NEWLINE_MARKER).replace("\r", DUMP_CR_MARKER).replace("\t", DUMP_TAB_MARKER)
replacedString = replacedString.replace(kb.misc.delimiter, DUMP_DEL_MARKER)
return replacedString
def restoreDumpMarkedChars(inpStr, onlyNewlineTab=False):
replacedString = inpStr
if isinstance(replacedString, basestring):
replacedString = replacedString.replace(DUMP_NEWLINE_MARKER, "\n").replace(DUMP_CR_MARKER, "\r").replace(DUMP_TAB_MARKER, "\t")
if not onlyNewlineTab:
replacedString = replacedString.replace(DUMP_START_MARKER, "").replace(DUMP_STOP_MARKER, "")
replacedString = replacedString.replace(DUMP_DEL_MARKER, ", ")
return replacedString
def banner():
"""
This function prints sqlmap banner with its version
"""
ban = """
%s - %s
%s\n
""" % (VERSION_STRING, DESCRIPTION, SITE)
dataToStdout(ban, forceOutput=True)
def parsePasswordHash(password):
blank = " " * 8
if not password or password == " ":
password = "NULL"
if Backend.getIdentifiedDbms() == 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):
upperQuery = query
for sqlStatements in SQL_STATEMENTS.values():
for sqlStatement in sqlStatements:
sqlStatementEsc = sqlStatement.replace("(", "\\(")
queryMatch = re.search("(%s)" % sqlStatementEsc, query, re.I)
if queryMatch:
upperQuery = upperQuery.replace(queryMatch.group(1), sqlStatement.upper())
return upperQuery
def setPaths():
# sqlmap paths
paths.SQLMAP_CONTRIB_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "lib", "contrib")
paths.SQLMAP_EXTRAS_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "extra")
paths.SQLMAP_SHELL_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "shell")
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_OUTPUT_PATH = os.path.join(paths.SQLMAP_ROOT_PATH, "output")
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.SQLMAP_HISTORY = os.path.join(paths.SQLMAP_ROOT_PATH, ".sqlmap_history")
paths.SQLMAP_CONFIG = os.path.join(paths.SQLMAP_ROOT_PATH, "sqlmap-%s.conf" % randomStr())
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.ORACLE_DEFAULT_PASSWD = os.path.join(paths.SQLMAP_TXT_PATH, "oracle-default-passwords.txt")
paths.USER_AGENTS = os.path.join(paths.SQLMAP_TXT_PATH, "user-agents.txt")
paths.WORDLIST = os.path.join(paths.SQLMAP_TXT_PATH, "wordlist.txt")
paths.PHPIDS_RULES_XML = os.path.join(paths.SQLMAP_XML_PATH, "phpids_rules.xml")
paths.ERRORS_XML = os.path.join(paths.SQLMAP_XML_PATH, "errors.xml")
paths.PAYLOADS_XML = os.path.join(paths.SQLMAP_XML_PATH, "payloads.xml")
paths.INJECTIONS_XML = os.path.join(paths.SQLMAP_XML_PATH, "injections.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")
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:
conf.dbmsUser = unicode()
conf.dbmsPass = unicode()
if not conf.dbmsPass:
conf.dbmsPass = None
if details.group('remote'):
remote = True
conf.hostname = details.group('hostname')
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 dbmsDict.items():
if conf.dbms 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"
raise sqlmapSyntaxException, errMsg
if dbmsName == DBMS.MSSQL:
import _mssql
import pymssql
if not hasattr(pymssql, "__version__") or pymssql.__version__ < "1.0.2":
errMsg = "pymssql library on your system must be "
errMsg += "version 1.0.2 to work, get it from "
errMsg += "http://sourceforge.net/projects/pymssql/files/pymssql/1.0.2/"
raise sqlmapMissingDependence, errMsg
elif dbmsName == DBMS.MYSQL:
import MySQLdb
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, _:
errMsg = "sqlmap requires '%s' third-party library " % data[1]
errMsg += "in order to directly connect to the database "
errMsg += "'%s'. Download from '%s'" % (dbmsName, data[2])
raise sqlmapMissingDependence, errMsg
def parseTargetUrl():
"""
Parse target url and set some attributes into the configuration singleton.
"""
if not conf.url:
return
if not re.search("^http[s]*://", conf.url):
if ":443/" in conf.url:
conf.url = "https://" + conf.url
else:
conf.url = "http://" + conf.url
__urlSplit = urlparse.urlsplit(conf.url)
__hostnamePort = __urlSplit[1].split(":")
conf.scheme = __urlSplit[0].strip()
conf.path = __urlSplit[2].strip()
conf.hostname = __hostnamePort[0].strip()
if re.search(r'\s', conf.hostname):
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[3]:
conf.parameters[PLACE.GET] = urldecode(__urlSplit[3])
conf.url = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, conf.path)
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+\*\s+FROM\s+([\w\.\_]+)\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)
dbTbl = asterisk.group(1)
if dbTbl and "." in dbTbl:
conf.db, conf.tbl = dbTbl.split(".", 1)
else:
conf.tbl = dbTbl
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 column names is: "
infoMsg += "%s" % expression
logger.info(infoMsg)
return expression
def getRange(count, dump=False, plusOne=False):
count = int(count)
indexRange = None
limitStart = 1
limitStop = 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
if plusOne:
indexRange = range(limitStart, limitStop + 1)
else:
indexRange = range(limitStart - 1, limitStop)
return indexRange
def parseUnionPage(output, expression, partial=False, condition=None, sort=True):
data = []
outCond1 = ( output.startswith(kb.misc.start) and output.endswith(kb.misc.stop) )
outCond2 = ( output.startswith(DUMP_START_MARKER) and output.endswith(DUMP_STOP_MARKER) )
if outCond1 or outCond2:
if outCond1:
regExpr = '%s(.*?)%s' % (kb.misc.start, kb.misc.stop)
elif outCond2:
regExpr = '%s(.*?)%s' % (DUMP_START_MARKER, DUMP_STOP_MARKER)
output = re.findall(regExpr, output, re.S)
if condition is None:
condition = (
kb.resumedQueries and conf.url in kb.resumedQueries.keys()
and expression in kb.resumedQueries[conf.url].keys()
)
if partial or not condition:
logOutput = "".join(["%s%s%s" % (DUMP_START_MARKER, replaceNewlineTabs(value), DUMP_STOP_MARKER) for value in output])
dataToSessionFile("[%s][%s][%s][%s][%s]\n" % (conf.url, kb.injection.place, conf.parameters[kb.injection.place], expression, logOutput))
if sort:
output = set(output)
for entry in output:
info = []
if DUMP_DEL_MARKER in entry:
entry = entry.split(DUMP_DEL_MARKER)
else:
entry = entry.split(kb.misc.delimiter)
if len(entry) == 1:
data.append(entry[0])
else:
for value in entry:
info.append(value)
data.append(info)
else:
data = output
if len(data) == 1 and isinstance(data[0], basestring):
data = data[0]
return data
def getDelayQuery(andCond=False):
query = None
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
if not kb.data.banner:
conf.dbmsHandler.getVersionFromBanner()
banVer = kb.bannerFp["dbmsVersion"] if 'dbmsVersion' in kb.bannerFp else None
if banVer is None or (Backend.getIdentifiedDbms() == DBMS.MYSQL and banVer >= "5.0.12") or (Backend.getIdentifiedDbms() == DBMS.PGSQL and banVer >= "8.2"):
query = queries[Backend.getIdentifiedDbms()].timedelay.query % conf.timeSec
else:
query = queries[Backend.getIdentifiedDbms()].timedelay.query2 % conf.timeSec
elif Backend.getIdentifiedDbms() == DBMS.FIREBIRD:
query = queries[Backend.getIdentifiedDbms()].timedelay.query
else:
query = queries[Backend.getIdentifiedDbms()].timedelay.query % conf.timeSec
if andCond:
if Backend.getIdentifiedDbms() in ( DBMS.MYSQL, DBMS.SQLITE ):
query = query.replace("SELECT ", "")
elif Backend.getIdentifiedDbms() == DBMS.FIREBIRD:
query = "(%s)>0" % query
return query
def getLocalIP():
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():
return socket.gethostbyname(conf.hostname)
def getFileType(filePath):
try:
magicFileType = magic.from_file(filePath)
except:
return "unknown"
if "ASCII" in magicFileType or "text" in magicFileType:
return "text"
else:
return "binary"
def getCharset(charsetType=None):
asciiTbl = []
if charsetType is None:
asciiTbl = range(0, 128)
# 0 or 1
elif charsetType == 1:
asciiTbl.extend([ 0, 1 ])
asciiTbl.extend(range(47, 50))
# Digits
elif charsetType == 2:
asciiTbl.extend([ 0, 1 ])
asciiTbl.extend(range(47, 58))
# Hexadecimal
elif charsetType == 3:
asciiTbl.extend([ 0, 1 ])
asciiTbl.extend(range(47, 58))
asciiTbl.extend(range(64, 71))
asciiTbl.extend(range(96, 103))
# Characters
elif charsetType == 4:
asciiTbl.extend([ 0, 1 ])
asciiTbl.extend(range(64, 91))
asciiTbl.extend(range(96, 123))
# Characters and digits
elif charsetType == 5:
asciiTbl.extend([ 0, 1 ])
asciiTbl.extend(range(47, 58))
asciiTbl.extend(range(64, 91))
asciiTbl.extend(range(96, 123))
return asciiTbl
def searchEnvPath(fileName):
envPaths = os.environ["PATH"]
result = None
if IS_WIN:
envPaths = envPaths.split(";")
else:
envPaths = envPaths.split(":")
for envPath in envPaths:
envPath = envPath.replace(";", "")
result = os.path.exists(os.path.normpath(os.path.join(envPath, fileName)))
if result:
break
return result
def urlEncodeCookieValues(cookieStr):
if cookieStr:
result = ""
for part in cookieStr.split(';'):
index = part.find('=') + 1
if index > 0:
name = part[:index - 1].strip()
value = urlencode(part[index:], convall=True)
result += "; %s=%s" % (name, value)
elif part.strip().lower() != "secure":
result += "%s%s" % ("%3B", urlencode(part, convall=True))
else:
result += "; secure"
if result.startswith('; '):
result = result[2:]
elif result.startswith('%3B'):
result = result[3:]
return result
else:
return None
def directoryPath(path):
retVal = None
if isWindowsDriveLetterPath(path):
retVal = ntpath.dirname(path)
else:
retVal = posixpath.dirname(path)
return retVal
def normalizePath(path):
retVal = None
if isWindowsDriveLetterPath(path):
retVal = ntpath.normpath(path)
else:
retVal = posixpath.normpath(path)
return retVal
def safeStringFormat(formatStr, params):
retVal = formatStr.replace("%d", "%s")
if isinstance(params, basestring):
retVal = retVal.replace("%s", params)
else:
count = 0
index = 0
while index != -1:
index = retVal.find("%s")
if index != -1:
if count < len(params):
retVal = retVal[:index] + getUnicode(params[count]) + retVal[index+2:]
else:
raise sqlmapNoneDataException, "wrong number of parameters during string formatting"
count += 1
return retVal
def sanitizeAsciiString(subject):
if subject:
index = None
for i in xrange(len(subject)):
if ord(subject[i]) >= 128:
index = i
break
if index is None:
return subject
else:
return subject[:index] + "".join(subject[i] if ord(subject[i]) < 128 else '?' for i in xrange(index, len(subject)))
else:
return None
def getFilteredPageContent(page, onlyText=True):
retVal = page
if isinstance(page, basestring):
retVal = re.sub(r"(?s)<script.+?</script>|<style.+?</style>%s" % (r"|<[^>]+>|\t|\n|\r" if onlyText else ""), " ", page)
while retVal.find(" ") != -1:
retVal = retVal.replace(" ", " ")
retVal = htmlunescape(retVal)
return retVal
def getPageTextWordsSet(page):
retVal = None
if isinstance(page, basestring):
page = getFilteredPageContent(page)
retVal = set(re.findall(r"\w+", page))
return retVal
def showStaticWords(firstPage, secondPage):
infoMsg = "finding static words in longest matching part of dynamic page content"
logger.info(infoMsg)
firstPage = getFilteredPageContent(firstPage)
secondPage = getFilteredPageContent(secondPage)
match = SequenceMatcher(None, firstPage, secondPage).find_longest_match(0, len(firstPage), 0, len(secondPage))
commonText = firstPage[match[0]:match[0]+match[2]]
commonWords = getPageTextWordsSet(commonText)
infoMsg = "static words: "
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(", ")
logger.info(infoMsg)
def decloakToNamedTemporaryFile(filepath, name=None):
retVal = NamedTemporaryFile()
def __del__():
try:
if hasattr(retVal, 'old_name'):
retVal.name = retVal.old_name
retVal.close()
except OSError:
pass
retVal.__del__ = __del__
retVal.write(decloak(filepath))
retVal.seek(0)
if name:
retVal.old_name = retVal.name
retVal.name = name
return retVal
def decloakToMkstemp(filepath, **kwargs):
name = mkstemp(**kwargs)[1]
retVal = open(name, 'w+b')
retVal.write(decloak(filepath))
retVal.seek(0)
return retVal
def isWindowsPath(filepath):
return re.search("\A[\w]\:\\\\", filepath) is not None
def isWindowsDriveLetterPath(filepath):
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 isBase64EncodedString(subject):
"""
Checks if the provided string is Base64 encoded
>>> isBase64EncodedString('dGVzdA==')
True
>>> isBase64EncodedString('123456')
False
"""
return re.match(r"\A(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?\Z", subject) is not None
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
def getConsoleWidth(default=80):
width = None
if 'COLUMNS' in os.environ and os.environ['COLUMNS'].isdigit():
width = int(os.environ['COLUMNS'])
else:
output=execute('stty size', shell=True, stdout=PIPE, stderr=PIPE).stdout.read()
items = output.split()
if len(items) == 2 and items[1].isdigit():
width = int(items[1])
if width is None:
try:
import curses
stdscr = curses.initscr()
_, width = stdscr.getmaxyx()
curses.endwin()
except:
pass
return width if width else default
def clearConsoleLine(forceOutput=False):
dataToStdout("\r%s\r" % (" " * (getConsoleWidth() - 1)), forceOutput)
def parseXmlFile(xmlFile, handler):
stream = StringIO(readCachedFileContent(xmlFile))
parse(stream, handler)
stream.close()
def readCachedFileContent(filename, mode='rb'):
if filename not in kb.cache.content:
kb.locks.cacheLock.acquire()
if filename not in kb.cache.content:
checkFile(filename)
xfile = codecs.open(filename, mode, UNICODE_ENCODING)
content = xfile.read()
kb.cache.content[filename] = content
xfile.close()
kb.locks.cacheLock.release()
return kb.cache.content[filename]
def readXmlFile(xmlFile):
checkFile(xmlFile)
xfile = codecs.open(xmlFile, 'r', UNICODE_ENCODING)
retVal = minidom.parse(xfile).documentElement
xfile.close()
return retVal
def stdev(values):
"""
Computes standard deviation of a list of numbers.
Reference: http://www.goldb.org/corestats.html
"""
if not values or len(values) < 2:
return None
key = (values[0], values[-1], len(values))
if key in kb.cache.stdev:
return kb.cache.stdev[key]
else:
summa = 0.0
avg = average(values)
for value in values:
summa += pow(value - avg, 2)
retVal = sqrt(summa/(len(values) - 1))
kb.cache.stdev[key] = retVal
return retVal
def average(values):
"""
Computes the arithmetic mean of a list of numbers.
"""
retVal = None
if values:
retVal = sum(values) / len(values)
return retVal
def calculateDeltaSeconds(start):
"""
Returns elapsed time from start till now
"""
return time.time() - start
def initCommonOutputs():
kb.commonOutputs = {}
key = None
cfile = codecs.open(paths.COMMON_OUTPUTS, 'r', UNICODE_ENCODING)
for line in cfile.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)
cfile.close()
def getFileItems(filename, commentPrefix='#', unicode_=True, lowercase=False, unique=False):
retVal = []
checkFile(filename)
if unicode_:
ifile = codecs.open(filename, 'r', UNICODE_ENCODING)
else:
ifile = open(filename, 'r')
for line in ifile.readlines(): # 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
retVal.append(line)
return retVal
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 getCompiledRegex(regex, flags=0):
"""
Returns compiled regular expression and stores it in cache for further
usage
>>> getCompiledRegex('test') # doctest: +ELLIPSIS
<_sre.SRE_Pattern object at...
"""
if (regex, flags) in kb.cache.regex:
return kb.cache.regex[(regex, flags)]
else:
retVal = re.compile(regex, flags)
kb.cache.regex[(regex, flags)] = retVal
return retVal
def getPartRun():
"""
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"]
stack = [item[4][0] if isinstance(item[4], list) else '' for item in inspect.stack()]
reobj1 = getCompiledRegex('conf\.dbmsHandler\.([^(]+)\(\)')
reobj2 = getCompiledRegex('self\.(get[^(]+)\(\)')
# Goes backwards through the stack to find the conf.dbmsHandler method
# calling this function
for i in xrange(0, len(stack)-1):
for reobj in (reobj2, reobj1):
match = reobj.search(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
# Return the INI tag to consider for common outputs (e.g. 'Databases')
return commonPartsDict[retVal][1] if retVal in commonPartsDict else retVal
def getUnicode(value, encoding=None):
"""
Return the unicode representation of the supplied value:
>>> getUnicode(u'test')
u'test'
>>> getUnicode('test')
u'test'
>>> getUnicode(1)
u'1'
"""
if isinstance(value, unicode):
return value
elif isinstance(value, basestring):
return unicode(value, encoding or UNICODE_ENCODING, errors="replace")
else:
return unicode(value) # encoding ignored for non-basestring instances
# http://boredzo.org/blog/archives/2007-01-06/longest-common-prefix-in-python-2
def longestCommonPrefix(*sequences):
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(value)
def popValue():
"""
Pop value from the stack (thread dependent)
"""
return getCurrentThreadData().valueStack.pop()
def wasLastRequestDBMSError():
"""
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 wasLastRequestHTTPError():
"""
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 wasLastRequestDelayed():
"""
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:
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 >= lowerStdLimit)
if not kb.testMode and retVal and conf.timeSec == TIME_DEFAULT_DELAY:
adjustTimeDelay(threadData.lastQueryDuration, lowerStdLimit)
return retVal
else:
return threadData.lastQueryDuration - conf.timeSec
def adjustTimeDelay(lastQueryDuration, lowerStdLimit):
"""
Adjusts time delay in time-based data retrieval
"""
candidate = 1 + int(round((1 - (lastQueryDuration - lowerStdLimit) / lastQueryDuration) * conf.timeSec))
if candidate:
kb.delayCandidates = [candidate] + kb.delayCandidates[:-1]
if all([x == candidate for x in kb.delayCandidates]) and candidate < conf.timeSec:
print
warnMsg = "adjusting time delay to %d second%s" % (candidate, 's' if candidate > 1 else '')
logger.warn(warnMsg)
conf.timeSec = candidate
def extractErrorMessage(page):
"""
Returns reported error message from page if it founds one
"""
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 beep():
"""
Does an audible beep sound
Reference: http://de3.aminet.net/dev/src/clr.py.txt
"""
if sys.platform == 'linux2':
for dev in ('/dev/audio', '/dev/oss', '/dev/dsp', '/dev/sound'):
if os.path.exists(dev):
try:
audio = file(dev, 'wb')
for _ in xrange(250):
audio.write(chr(32) * 4)
audio.write(chr(0) * 4)
audio.close()
return
except:
pass
try:
import curses
curses.initscr()
curses.beep()
curses.flash()
curses.endwin()
return
except:
dataToStdout('\a', True)
else:
dataToStdout('\a', True)
def runningAsAdmin():
isAdmin = False
if PLATFORM in ( "posix", "mac" ):
isAdmin = os.geteuid()
if isinstance(isAdmin, (int, float, long)) and isAdmin == 0:
isAdmin = True
elif IS_WIN:
isAdmin = ctypes.windll.shell32.IsUserAnAdmin()
if isinstance(isAdmin, (int, float, long)) and isAdmin == 1:
isAdmin = True
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
"""
kb.locks.logLock.acquire()
dataToTrafficFile("%s\n" % requestLogMsg)
dataToTrafficFile("%s\n" % responseLogMsg)
dataToTrafficFile("\n%s\n\n" % (76 * '#'))
kb.locks.logLock.release()
def getPageTemplate(payload, place):
"""
Cross-linked method
"""
pass
def getPublicTypeMembers(type_, onlyValues=False):
"""
Useful for getting members from types (e.g. in enums)
"""
retVal = []
for name, value in inspect.getmembers(type_):
if not name.startswith('__'):
if not onlyValues:
retVal.append((name, value))
else:
retVal.append(value)
return retVal
def enumValueToNameLookup(type_, value_):
"""
Returns name of a enum member with a given value
"""
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
"""
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 trimAlphaNum(value):
"""
Trims alpha numeric characters from start and ending of a given value
"""
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 with a positive integer representation
"""
return value and isinstance(value, basestring) and value.isdigit() and value != "0"
def aliasToDbmsEnum(dbms):
"""
Returns major DBMS name from a given alias
"""
retVal = None
if dbms is None:
return None
for key, item in dbmsDict.items():
if dbms.lower() in item[0]:
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
"""
infoMsg = "searching for dynamic content"
logger.info(infoMsg)
blocks = SequenceMatcher(None, firstPage, secondPage).get_matching_blocks()
kb.dynamicMarkings = []
# Removing too small matching blocks
i = 0
while i < len(blocks):
block = blocks[i]
(_, _, length) = block
if length <= DYNAMICITY_MARK_LENGTH:
blocks.remove(block)
else:
i += 1
# 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((re.escape(prefix[-DYNAMICITY_MARK_LENGTH/2:]) if prefix else None, re.escape(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 = getCompiledRegex('(?s)^.+%s' % suffix).sub(suffix, page)
elif suffix is None:
page = getCompiledRegex('(?s)%s.+$' % prefix).sub(prefix, page)
else:
page = getCompiledRegex('(?s)%s.+%s' % (prefix, suffix)).sub('%s%s' % (prefix, suffix), page)
return page
def filterStringValue(value, regex, replace=None):
"""
Returns string value consisting only of chars satisfying supplied
regular expression
"""
retVal = ""
if value:
for char in value:
if re.search(regex, char):
retVal += char
elif replace:
retVal += replace
return retVal
def filterControlChars(value):
"""
Returns string value with control chars being supstituted with ' '
"""
return filterStringValue(value, NON_CONTROL_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(getCompiledRegex(r"(\w+) ([A-Z]+)[,\r\n]"), value):
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
"""
retVal = None
if technique and technique in kb.injection.data:
retVal = kb.injection.data[technique]
return retVal
def isTechniqueAvailable(technique=None):
"""
Returns True if there is injection data which sqlmap could use for
technique specified
"""
if conf.technique and technique != conf.technique:
return False
else:
return getTechniqueData(technique) is not None
def initTechnique(technique=None):
"""
Prepares proper page template and match ratio for technique specified
"""
try:
data = getTechniqueData(technique)
if data:
kb.pageTemplate, kb.errorIsNone = getPageTemplate(data.templatePayload, kb.injection.place)
kb.matchRatio = data.matchRatio
# 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)
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, tuple or set
itself
"""
if not isinstance(value, (list, tuple, set)):
value = [ value ]
return value
def getSortedInjectionTests():
"""
Returns prioritized test list by eventually detected DBMS from error
messages
"""
retVal = conf.tests
def priorityFunction(test):
retVal = SORTORDER.FIRST
if test.stype == PAYLOAD.TECHNIQUE.UNION:
retVal = SORTORDER.LAST
elif 'details' in test and 'dbms' in test.details:
if test.details.dbms in Backend.getErrorParsedDBMSes():
retVal = SORTORDER.SECOND
else:
retVal = SORTORDER.THIRD
return retVal
if Backend.getErrorParsedDBMSes():
retVal = sorted(retVal, key=priorityFunction)
return retVal
def filterListValue(value, regex):
"""
Returns list with items that have parts satisfying given regular
expression
"""
if regex:
retVal = []
filt = getCompiledRegex(regex, re.I)
for word in value:
if filt.search(word):
retVal.append(word)
return retVal
else:
return value
def unicodeToSafeHTMLValue(value):
"""
Returns HTML representation of unicode string value safe for sending
over HTTP(s)
"""
retVal = value
if value:
for char in value:
if ord(char) > 127:
retVal = retVal.replace(char, "&#%d;" % ord(char))
return retVal
def showHttpErrorCodes():
"""
Shows all HTTP error codes raised till now
"""
if kb.httpErrorCodes:
warnMsg = "HTTP error codes detected during testing:\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)
def getComparePageRatio(firstPage, secondPage, filtered=False):
"""
Returns comparison ratio between two given pages
"""
if filtered:
(firstPage, secondPage) = map(getFilteredPageContent, (firstPage, secondPage))
seqMatcher = getCurrentThreadData().seqMatcher
seqMatcher.set_seq1(firstPage)
seqMatcher.set_seq2(secondPage)
return seqMatcher.quick_ratio()
def openFile(filename, mode='r'):
"""
Returns file handle of a given filename
"""
try:
return codecs.open(filename, mode, UNICODE_ENCODING)
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 sqlmapFilePathException, errMsg
def decodeIntToUnicode(value):
"""
Decodes inferenced integer value with usage of current page encoding
"""
try:
return struct.pack('B' if value<256 else '>H', value).decode(kb.pageEncoding)
except:
return INFERENCE_UNKNOWN_CHAR
def unhandledExceptionMessage():
errMsg = "unhandled exception in %s, retry your " % VERSION_STRING
errMsg += "run with the latest development version from the Subversion "
errMsg += "repository. If the exception persists, please send by e-mail "
errMsg += "to sqlmap-users@lists.sourceforge.net the command line, the "
errMsg += "following text and any information needed to reproduce the "
errMsg += "bug. The developers will try to reproduce the bug, fix it "
errMsg += "accordingly and get back to you.\n"
errMsg += "sqlmap version: %s%s\n" % (VERSION, " (r%d)" % REVISION if REVISION else "")
errMsg += "Python version: %s\n" % PYVERSION
errMsg += "Operating system: %s\n" % PLATFORM
errMsg += "Technique: %s\n" % (enumValueToNameLookup(PAYLOAD.TECHNIQUE, kb.technique) if kb.technique else None)
errMsg += "Back-end DBMS: %s" % kb.dbms
return errMsg
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