sqlmapproject/sqlmap
1
1
Fork 0
mirror of https://github.com/sqlmapproject/sqlmap.git synced 2024-11-23 01:56:36 +03:00
Code Issues Packages Projects Releases Wiki Activity
32f52cdd04
sqlmap/lib/core/common.py
jekil c39e5a85ba Removed $id$ tags
2012-06-27 20:56:43 +02:00

3234 lines
101 KiB
Python
Raw Blame History

#!/usr/bin/env python
"""
Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""
import codecs
import cookielib
import copy
import ctypes
import httplib
import inspect
import logging
import ntpath
import os
import pickle
import posixpath
import random
import re
import socket
import string
import struct
import sys
import time
import urllib
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 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.clientform.clientform import ParseResponse
from extra.clientform.clientform import ParseError
from extra.cloak.cloak import decloak
from extra.magic import magic
from extra.odict.odict import OrderedDict
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 htmlunescape
from lib.core.convert import unicodeencode
from lib.core.convert import urldecode
from lib.core.convert import urlencode
from lib.core.enums import CHARSET_TYPE
from lib.core.enums import DBMS
from lib.core.enums import EXPECTED
from lib.core.enums import HTTPHEADER
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 sqlmapFilePathException
from lib.core.exception import sqlmapGenericException
from lib.core.exception import sqlmapNoneDataException
from lib.core.exception import sqlmapMissingDependence
from lib.core.exception import sqlmapSilentQuitException
from lib.core.exception import sqlmapSyntaxException
from lib.core.optiondict import optDict
from lib.core.settings import CUSTOM_INJECTION_MARK_CHAR
from lib.core.settings import DEFAULT_COOKIE_DELIMITER
from lib.core.settings import DEFAULT_GET_POST_DELIMITER
from lib.core.settings import DUMMY_USER_INJECTION
from lib.core.settings import INFERENCE_UNKNOWN_CHAR
from lib.core.settings import UNICODE_ENCODING
from lib.core.settings import DBMS_DICT
from lib.core.settings import DBMS_DIRECTORY_DICT
from lib.core.settings import DESCRIPTION
from lib.core.settings import DUMMY_SQL_INJECTION_CHARS
from lib.core.settings import FORMATTER
from lib.core.settings import NULL
from lib.core.settings import HASHDB_MILESTONE_VALUE
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 HOST_ALIASES
from lib.core.settings import REFERER_ALIASES
from lib.core.settings import USER_AGENT_ALIASES
from lib.core.settings import PARTIAL_VALUE_MARKER
from lib.core.settings import ERROR_PARSING_REGEXES
from lib.core.settings import PRINTABLE_CHAR_REGEX
from lib.core.settings import DUMP_DEL_MARKER
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 DEFAULT_MSSQL_SCHEMA
from lib.core.settings import DUMP_NEWLINE_MARKER
from lib.core.settings import DUMP_CR_MARKER
from lib.core.settings import DUMP_TAB_MARKER
from lib.core.settings import PARAMETER_AMP_MARKER
from lib.core.settings import PARAMETER_SEMICOLON_MARKER
from lib.core.settings import LARGE_OUTPUT_THRESHOLD
from lib.core.settings import ML
from lib.core.settings import MIN_TIME_RESPONSES
from lib.core.settings import PAYLOAD_DELIMITER
from lib.core.settings import REFLECTED_BORDER_REGEX
from lib.core.settings import REFLECTED_REPLACEMENT_REGEX
from lib.core.settings import REFLECTED_MAX_REGEX_PARTS
from lib.core.settings import REFLECTED_VALUE_MARKER
from lib.core.settings import TIME_STDEV_COEFF
from lib.core.settings import DYNAMICITY_MARK_LENGTH
from lib.core.settings import REFLECTIVE_MISS_THRESHOLD
from lib.core.settings import SENSITIVE_DATA_REGEX
from lib.core.settings import TEXT_TAG_REGEX
from lib.core.settings import UNION_UNIQUE_FIFO_LENGTH
from lib.core.settings import URI_QUESTION_MARKER
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 Format:
@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 is None:
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 = ""
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:
_ = 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.stickyFlag:
kb.forcedDbms = aliasToDbmsEnum(dbms)
kb.stickyFlag = sticky
@staticmethod
def flushForcedDbms(force=False):
if not kb.stickyFlag or force:
kb.forcedDbms = None
kb.stickyFlag = 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.forcedDbms)
@staticmethod
def getDbms():
return aliasToDbmsEnum(kb.dbms) if kb.get('dbms') else None
@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 if kb.heuristicTest is not None else []
@staticmethod
def getIdentifiedDbms():
dbms = None
if not kb:
pass
elif Backend.getForcedDbms() is not None:
dbms = Backend.getForcedDbms()
elif Backend.getDbms() is not None:
dbms = kb.dbms
elif conf.get('dbms'):
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
@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()
# Reference: http://code.activestate.com/recipes/325205-cache-decorator-in-python-24/
def cachedmethod(f, cache={}):
def g(*args, **kwargs):
key = (f, tuple(args), frozenset(kwargs.items()))
if key not in cache:
cache[key] = f(*args, **kwargs)
return cache[key]
return g
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 = OrderedDict()
if place in conf.parameters and not parameters:
parameters = conf.parameters[place]
if place != PLACE.SOAP:
parameters = parameters.replace(", ", ",")
parameters = re.sub(r"&(\w{1,4});", r"%s\g<1>%s" % (PARAMETER_AMP_MARKER, PARAMETER_SEMICOLON_MARKER), parameters)
splitParams = parameters.split(conf.pDel or (DEFAULT_COOKIE_DELIMITER if place == PLACE.COOKIE else DEFAULT_GET_POST_DELIMITER))
for element in splitParams:
element = re.sub(r"%s(.+?)%s" % (PARAMETER_AMP_MARKER, PARAMETER_SEMICOLON_MARKER), r"&\g<1>;", element)
elem = element.split("=")
if len(elem) >= 2:
parameter = elem[0].replace(" ", "")
condition = not conf.testParameter
condition |= parameter in conf.testParameter
if condition:
testableParameters[parameter] = "=".join(elem[1:])
if not conf.multipleTargets:
if testableParameters[parameter].strip(DUMMY_SQL_INJECTION_CHARS) != testableParameters[parameter]\
or re.search(r'\A9{3,}', testableParameters[parameter]) or re.search(DUMMY_USER_INJECTION, testableParameters[parameter]):
warnMsg = "it appears that you have provided tainted parameter values "
warnMsg += "('%s') with most probably leftover " % element
warnMsg += "chars from manual SQL injection "
warnMsg += "tests (%s) or non-valid numerical value. " % DUMMY_SQL_INJECTION_CHARS
warnMsg += "Please, always use only valid parameter values "
warnMsg += "so sqlmap could be able to properly run "
logger.warn(warnMsg)
message = "Are you sure you want to continue? [y/N] "
test = readInput(message, default="N")
if test[0] not in ("y", "Y"):
raise sqlmapSilentQuitException
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 = "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):
warnMsg = "provided parameter '%s' " % paramStr
warnMsg += "is not inside the %s" % place
logger.warn(warnMsg)
elif len(conf.testParameter) != len(testableParameters.keys()):
for parameter in conf.testParameter:
if parameter not in testableParameters:
warnMsg = "provided parameter '%s' " % parameter
warnMsg += "is not inside the %s" % place
logger.warn(warnMsg)
return testableParameters
def getDocRoot():
docRoot = None
pagePath = directoryPath(conf.path)
if Backend.isOs(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 singleTimeWarnMessage(message):
singleTimeLogMessage(message, logging.WARN)
def singleTimeLogMessage(message, level=logging.INFO, flag=None):
if flag is None:
flag = hash(message)
if flag not in kb.singleLogFlags:
kb.singleLogFlags.add(flag)
logger.log(level, message)
def dataToStdout(data, forceOutput=False):
if not kb.get("threadException"):
if forceOutput or not getCurrentThreadData().disableStdOut:
try:
if kb.get("multiThreadMode"):
logging._acquireLock()
# Reference: http://bugs.python.org/issue1602
if IS_WIN:
output = data.encode('ascii', "replace")
if output != data:
warnMsg = "cannot properly display Unicode characters "
warnMsg += "inside Windows OS command prompt "
warnMsg += "(http://bugs.python.org/issue1602). All "
warnMsg += "unhandled occurances will result in "
warnMsg += "replacement with '?' character. Please, find "
warnMsg += "proper character representation inside "
warnMsg += "corresponding output files. "
singleTimeWarnMessage(warnMsg)
sys.stdout.write(output)
else:
sys.stdout.write(data.encode(sys.stdout.encoding))
except:
sys.stdout.write(data.encode(UNICODE_ENCODING))
finally:
sys.stdout.flush()
if kb.get("multiThreadMode"):
logging._releaseLock()
setFormatterPrependFlag(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
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(value):
"""
Converts string value to it's hexadecimal representation
"""
return (value if not isinstance(value, unicode) else value.encode(UNICODE_ENCODING)).encode("hex").upper()
def readInput(message, default=None, checkBatch=True):
"""
Reads input from terminal
"""
if "\n" in message:
message += "%s> " % ("\n" if message.count("\n") > 1 else "")
elif message[-1] == ']':
message += " "
if checkBatch and conf.batch:
if isListLike(default):
options = ",".join(getUnicode(opt, UNICODE_ENCODING) for opt in default)
elif default:
options = getUnicode(default, UNICODE_ENCODING)
else:
options = unicode()
infoMsg = "%s%s" % (getUnicode(message), options)
logger.info(infoMsg)
debugMsg = "used the default behaviour, running in batch mode"
logger.debug(debugMsg)
data = default
else:
logging._acquireLock()
dataToStdout("\r%s" % message, True)
data = raw_input()
#data = raw_input(message.encode(sys.stdout.encoding or UNICODE_ENCODING))
logging._releaseLock()
if not data:
data = default
return data
def randomRange(start=0, stop=1000):
"""
Returns random integer value in given range
"""
return int(random.randint(start, stop))
def randomInt(length=4):
"""
Returns random integer value with provided number of digits
"""
return int("".join(random.choice(string.digits if i!=0 else string.digits.replace('0', '')) for i in xrange(0, length)))
def randomStr(length=4, lowercase=False, alphabet=None):
"""
Returns random string value with provided number of characters
"""
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(value):
"""
Sanitizes string value in respect to newline and line-feed characters
"""
return getUnicode(value).replace("\n", " ").replace("\r", "")
def checkFile(filename):
"""
Checks for file existence
"""
if not os.path.exists(filename):
raise sqlmapFilePathException, "unable to read file '%s'" % filename
def replaceNewlineTabs(value, stdout=False):
if value is None:
return
if stdout:
retVal = value.replace("\n", " ").replace("\r", " ").replace("\t", " ")
else:
retVal = value.replace("\n", DUMP_NEWLINE_MARKER).replace("\r", DUMP_CR_MARKER).replace("\t", DUMP_TAB_MARKER)
retVal = retVal.replace(kb.chars.delimiter, DUMP_DEL_MARKER)
return retVal
def restoreDumpMarkedChars(value, onlyNewlineTab=False):
retVal = value
if isinstance(retVal, basestring):
retVal = retVal.replace(DUMP_NEWLINE_MARKER, "\n").replace(DUMP_CR_MARKER, "\r").replace(DUMP_TAB_MARKER, "\t")
if not onlyNewlineTab:
retVal = retVal.replace(DUMP_DEL_MARKER, ", ")
return retVal
def banner():
"""
This function prints sqlmap banner with its version
"""
_ = """\n %s - %s\n %s\n\n""" % (VERSION_STRING, DESCRIPTION, SITE)
dataToStdout(_, forceOutput=True)
def parsePasswordHash(password):
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):
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 and "sys_exec" not in query:
upperQuery = upperQuery.replace(queryMatch.group(1), sqlStatement.upper())
return upperQuery
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_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")
paths.SQLMAP_SEXEC_PATH = os.path.join(paths.SQLMAP_EXTRAS_PATH, "shellcodeexec")
# 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.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.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 DBMS_DICT.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 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:
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 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):
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)
__urlSplit = urlparse.urlsplit(conf.url)
__hostnamePort = __urlSplit[1].split(":") if not re.search("\[.+\]", __urlSplit[1]) else filter(None, (re.search("\[.+\]", __urlSplit[1]).group(0), re.search("\](:(?P<port>\d+))?", __urlSplit[1]).group("port")))
conf.scheme = __urlSplit[0].strip().lower() if not conf.forceSSL else "https"
conf.path = __urlSplit[2].strip()
conf.hostname = __hostnamePort[0].strip()
conf.ipv6 = conf.hostname != conf.hostname.strip("[]")
conf.hostname = conf.hostname.strip("[]")
try:
_ = conf.hostname.encode("idna")
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[3]:
conf.parameters[PLACE.GET] = urldecode(__urlSplit[3]) if __urlSplit[3] and urlencode(DEFAULT_GET_POST_DELIMITER, None) not in __urlSplit[3] else __urlSplit[3]
conf.url = "%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):
debugMsg = "setting the HTTP Referer header to the target url"
logger.debug(debugMsg)
conf.httpHeaders = filter(lambda (key, value): key != HTTPHEADER.REFERER, conf.httpHeaders)
conf.httpHeaders.append((HTTPHEADER.REFERER, conf.url))
if not conf.host and intersect(HOST_ALIASES, conf.testParameter, True):
debugMsg = "setting the HTTP Host header to the target url"
logger.debug(debugMsg)
conf.httpHeaders = filter(lambda (key, value): key != HTTPHEADER.HOST, conf.httpHeaders)
conf.httpHeaders.append((HTTPHEADER.HOST, getHostHeader(conf.url)))
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:
dbTbl = dbTbl.replace('..', '.dbo.')
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 getLimitRange(count, dump=False, plusOne=False):
"""
Returns range of values used in limit/offset constructs
"""
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 inband query inside provided page content
"""
if page is None:
return None
if page.startswith(kb.chars.start) and page.endswith(kb.chars.stop):
if len(page) > LARGE_OUTPUT_THRESHOLD:
warnMsg = "large output detected. This might take a while"
logger.warn(warnMsg)
data = BigArray()
_ = []
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 _:
_.append(key)
if len(_) > UNION_UNIQUE_FIFO_LENGTH:
_.pop(0)
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():
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:
_ = magic.from_file(filePath)
except:
return "unknown"
return "text" if "ASCII" in _ or "text" in _ else "binary"
def getCharset(charsetType=None):
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(xrange(96, 103))
# 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 searchEnvPath(filename):
result = None
path = os.environ.get("PATH", "")
paths = path.split(";") if IS_WIN else path.split(":")
for _ in paths:
_ = _.replace(";", "")
result = os.path.exists(os.path.normpath(os.path.join(_, 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(filepath):
"""
Returns directory path for a given filepath
"""
retVal = None
if isWindowsDriveLetterPath(filepath):
retVal = ntpath.dirname(filepath)
else:
retVal = posixpath.dirname(filepath)
return retVal
def normalizePath(filepath):
"""
Returns normalized string representation of a given filepath
"""
retVal = None
if isWindowsDriveLetterPath(filepath):
retVal = ntpath.normpath(filepath)
else:
retVal = posixpath.normpath(filepath)
return retVal
def safeStringFormat(format_, params):
"""
Avoids problems with inappropriate string format strings
"""
retVal = format_.replace("%d", "%s")
if isinstance(params, basestring):
retVal = retVal.replace("%s", params)
else:
count, index = 0, 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 getFilteredPageContent(page, onlyText=True):
"""
Returns filtered page content without script, style and/or comments
or all HTML tags
"""
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)
return retVal
def getPageWordSet(page):
"""
Returns word set used in page content
"""
retVal = set()
# only if the page's charset has been successfully identified
if isinstance(page, unicode):
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)
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 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):
handle, name = mkstemp(**kwargs)
fptr = os.fdopen(handle)
fptr.close() # close low level handle (causing problems latter)
retVal = open(name, 'w+b')
retVal.write(decloak(filepath))
retVal.seek(0)
return retVal
def isWindowsPath(filepath):
"""
Returns True if given filepath is in Windows format
"""
return re.search("\A[\w]\:\\\\", filepath) is not None
def isWindowsDriveLetterPath(filepath):
"""
Returns True if given filepath starts with a Windows drive letter
"""
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):
"""
Returns console width
"""
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):
"""
Clears current console line
"""
dataToStdout("\r%s\r" % (" " * (getConsoleWidth() - 1)), forceOutput)
setFormatterPrependFlag(False)
def parseXmlFile(xmlFile, handler):
"""
Parses XML file by a given handler
"""
stream = StringIO(readCachedFileContent(xmlFile))
parse(stream, handler)
stream.close()
def getSPQLSnippet(dbms, name, **variables):
"""
Returns content of SP(Q)L snippet located inside "procs" directory
"""
filename = os.path.join(paths.SQLMAP_PROCS_PATH, DBMS_DIRECTORY_DICT[dbms], "%s.txt" % name)
checkFile(filename)
retVal = readCachedFileContent(filename)
retVal = re.sub(r"#.+", "", retVal)
retVal = re.sub(r"(?s);\s+", "; ", retVal).strip()
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())
_ = re.search(r"%(\w+)%", retVal, re.I)
if _:
errMsg = "unresolved variable '%s' in SPL snippet '%s'" % (_.group(1), name)
raise sqlmapGenericException, errMsg
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 codecs.open(filename, mode, UNICODE_ENCODING) as f:
content = f.read()
kb.cache.content[filename] = content
return kb.cache.content[filename]
def readXmlFile(xmlFile):
"""
Reads XML file content and returns its DOM representation
"""
checkFile(xmlFile)
with codecs.open(xmlFile, 'r', UNICODE_ENCODING) as f:
retVal = minidom.parse(f).documentElement
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:
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))
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():
"""
Initializes dictionary containing common output values used by "good samaritan" feature
"""
kb.commonOutputs = {}
key = None
with codecs.open(paths.COMMON_OUTPUTS, 'r', UNICODE_ENCODING) 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)
with codecs.open(filename, 'r', UNICODE_ENCODING) 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)
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():
"""
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')
return commonPartsDict[retVal][1] if isinstance(commonPartsDict.get(retVal), tuple) else retVal
def getUnicode(value, encoding=None, system=False, 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, system, noneToNull) for _ in value)
return value
if not system:
if isinstance(value, unicode):
return value
elif isinstance(value, basestring):
try:
return unicode(value, encoding or kb.pageEncoding)
except:
return unicode(value, UNICODE_ENCODING, "replace")
else:
return unicode(value) # encoding ignored for non-basestring instances
else:
try:
return getUnicode(value, sys.getfilesystemencoding() or sys.stdin.encoding)
except:
return getUnicode(value, UNICODE_ENCODING)
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
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)
"""
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 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 >= lowerStdLimit)
if not kb.testMode and retVal and kb.adjustTimeDelay:
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((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:
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
"""
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
"""
def _failsafe():
dataToStdout('\a', True)
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:
_failsafe()
elif sys.platform == 'darwin':
try:
import Carbon.Snd
Carbon.Snd.SysBeep(1)
except:
_failsafe()
else:
_failsafe()
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:
_ = 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 method
"""
pass
def getPublicTypeMembers(type_, onlyValues=False):
"""
Useful for getting members from types (e.g. in enums)
"""
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
"""
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 extractTextTagContent(page):
"""
Returns list containing content from "textual" tags
"""
page = re.sub(r"(?si)[^\s>]*%s[^<]*" % REFLECTED_VALUE_MARKER, "", page or "")
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
"""
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
"""
return (value and isinstance(value, basestring) and value.isdigit() and value != "0") or (isinstance(value, int) and value != 0)
@cachedmethod
def aliasToDbmsEnum(dbms):
"""
Returns major DBMS name from a given alias
"""
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
"""
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((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 = re.sub(r'(?s)^.+%s' % suffix, suffix, page)
elif suffix is None:
page = re.sub(r'(?s)%s.+$' % prefix, prefix, page)
else:
page = re.sub(r'(?s)%s.+%s' % (prefix, suffix), '%s%s' % (prefix, suffix), page)
return page
def filterStringValue(value, regex, replacement=""):
"""
Returns string value consisting only of chars satisfying supplied
regular expression (note: it has to be in form [...])
"""
retVal = value
if value:
retVal = re.sub(regex.replace("[", "[^") if "[^" not in regex else regex.replace("[^", "["), replacement, value)
return retVal
def filterControlChars(value):
"""
Returns string value with control chars being supstituted with ' '
"""
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+(TEXT|NUMERIC|INTEGER|REAL|NONE)", 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):
"""
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 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():
#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.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
"""
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
"""
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 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
"""
return isinstance(value, (list, tuple, set, BigArray))
def getSortedInjectionTests():
"""
Returns prioritized test list by eventually detected DBMS from error
messages
"""
retVal = 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 test.details.dbms in Backend.getErrorParsedDBMSes():
retVal = SORT_ORDER.SECOND
else:
retVal = SORT_ORDER.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 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 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, "replace")
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:
# http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_ord
if Backend.getIdentifiedDbms() in (DBMS.MYSQL,) or conf.charset:
return struct.pack('B' if value < 256 else '<H', value).decode(kb.pageEncoding or UNICODE_ENCODING)
else:
return unichr(value)
except:
return INFERENCE_UNKNOWN_CHAR
def unhandledExceptionMessage():
"""
Returns detailed message about occured unhandled exception
"""
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 %s the following text " % ML
errMsg += "and any information required to 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%s\n" % (VERSION, " (r%d)" % REVISION if REVISION else "")
errMsg += "Python version: %s\n" % PYVERSION
errMsg += "Operating system: %s\n" % PLATFORM
errMsg += "Command line: %s\n" % " ".join(sys.argv)
errMsg += "Technique: %s\n" % (enumValueToNameLookup(PAYLOAD.TECHNIQUE, kb.technique) if kb and kb.technique else None)
errMsg += "Back-end DBMS: %s" % ("%s (fingerprinted)" % Backend.getDbms() if Backend.getDbms() is not None else "%s (identified)" % Backend.getIdentifiedDbms())
return maskSensitiveData(errMsg)
def maskSensitiveData(msg):
"""
Masks sensitive data in the supplied message
"""
retVal = msg
for item in filter(None, map(lambda x: conf.get(x), ("hostname", "googleDork", "aCred", "pCred", "tbl", "db", "col", "user", "cookie", "proxy"))):
regex = SENSITIVE_DATA_REGEX % re.sub("(\W)", r"\\\1", item)
while extractRegexResult(regex, retVal):
value = extractRegexResult(regex, retVal)
retVal = retVal.replace(value, '*' * len(value))
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
"""
retVal = None
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:
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, '')))
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
"""
retVal = value
if isinstance(value, unicode):
retVal = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore')
return retVal
def safeSQLIdentificatorNaming(name, isTable=False):
"""
Returns a safe representation of SQL identificator name (internal data format)
"""
retVal = name
if isinstance(name, basestring):
name = getUnicode(name)
if isTable and Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) and '.' not in name:
name = "%s.%s" % (DEFAULT_MSSQL_SCHEMA, name)
parts = name.split('.')
for i in xrange(len(parts)):
if not re.match(r"\A[A-Za-z0-9_@\$]+\Z", parts[i]): # reference: http://stackoverflow.com/questions/954884/what-special-characters-are-allowed-in-t-sql-column-name
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.ACCESS):
parts[i] = "`%s`" % parts[i].strip("`")
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.PGSQL, DBMS.DB2):
parts[i] = "\"%s\"" % parts[i].strip("\"")
elif Backend.getIdentifiedDbms() in (DBMS.MSSQL,):
parts[i] = "[%s]" % parts[i].strip("[]")
retVal = ".".join(parts)
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.ORACLE, DBMS.PGSQL, DBMS.DB2):
retVal = name.replace("\"", "")
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 isBinaryData(value):
"""
Tests given value for binary content
"""
retVal = False
if isinstance(value, basestring):
retVal = reduce(lambda x, y: x or not (y in string.printable or ord(y) > 255), value, False)
return retVal
def isNoneValue(value):
"""
Returns whether the value is unusable (None or '')
"""
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
"""
return isinstance(value, basestring) and value.upper() == NULL
def expandMnemonics(mnemonics, parser, args):
"""
Expands mnemonic options
"""
class MnemonicNode:
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.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 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)
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
"""
retVal = value
if retVal and isinstance(retVal, basestring):
if not (retVal[0] == retVal[-1] == '"'):
if any(_ in retVal for _ in (conf.csvDel, '"', '\n')):
retVal = '"%s"' % retVal.replace('"', '""')
return retVal
def filterPairValues(values):
"""
Returns only list-like values with length 2
"""
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
"""
retVal = 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/
"""
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
hostname = parts.hostname.encode("idna")
# 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
if parts.port:
netloc += ':' + str(parts.port)
return urlparse.urlunsplit([parts.scheme, netloc, path, query, parts.fragment])
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 ParseError:
warnMsg = "badly formed HTML at the given url ('%s'). Will try to filter it" % url
logger.warning(warnMsg)
response.seek(0)
filtered = _("".join(re.findall(r"<form(?!.+<form).+?</form>", response.read(), re.I | re.S)), response.geturl())
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:
for control in form.controls:
if hasattr(control, "items"):
# 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()
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) if data and urlencode(DEFAULT_GET_POST_DELIMITER, None) not in data else data
if not data and method and method.upper() == HTTPMETHOD.POST:
debugMsg = "invalid POST form with blank data detected"
logger.debug(debugMsg)
continue
target = (url, method, data, conf.cookie)
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.targetUrls.add(target)
return retVal
def getHostHeader(url):
"""
Returns proper Host header value for a given target 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 evaluateCode(code, variables=None):
"""
Executes given python code given in a string form
"""
try:
exec(code, variables)
except Exception, ex:
errMsg = "an error occured while evaluating provided code ('%s'). " % ex
raise sqlmapGenericException, errMsg
def serializeObject(object_):
"""
Serializes given object
"""
return base64pickle(object_)
def unserializeObject(value):
"""
Unserializes object from given serialized form
"""
retVal = None
if value:
retVal = base64unpickle(value)
return retVal
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
"""
if isListLike(value):
retVal = [applyFunctionRecursively(_, function) for _ in value]
else:
retVal = function(value)
return retVal
def decodeHexValue(value):
"""
Returns value decoded from DBMS specific hexadecimal representation
"""
retVal = value
def _(value):
if value and isinstance(value, basestring) and len(value) % 2 == 0:
if value.lower().startswith("0x"):
value = value[2:]
value = value.decode("hex")
if len(value) > 1 and value[1] == '\x00':
try:
value = value.decode("utf-16-le")
except UnicodeDecodeError:
pass
elif value and value[0] == '\x00':
try:
value = value.decode("utf-16-be")
except UnicodeDecodeError:
pass
return value
try:
retVal = applyFunctionRecursively(value, _)
except Exception:
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
"""
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):
if value.isdigit():
value = int(value)
else:
value = None
return value
def setFormatterPrependFlag(value=True):
"""
Sets logging formatter flag used for signaling if newline is needed before
the logging message itself (used in inference mode)
"""
FORMATTER._prepend_flag = 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)
_ = conf.hashDB.retrieve(_, unserialize) if kb.resumeValues and not (checkConf and any([conf.flushSession, conf.freshQueries])) else None
if not kb.inferenceMode and _ and PARTIAL_VALUE_MARKER in _:
_ = None
return _
def resetCookieJar(cookieJar):
if not conf.loC:
cookieJar.clear()
else:
try:
cookieJar.load(conf.loC)
cookieJar.clear_expired_cookies()
except cookielib.LoadError, msg:
errMsg = "there was a problem loading "
errMsg += "cookies file ('%s')" % msg
raise sqlmapGenericException, errMsg
def prioritySortColumns(columns):
_ = 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)
Reference in New Issue View Git Blame Copy Permalink