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c18a5cb92f
sqlmap/lib/core/common.py
Bernardo Damele 4ce3abc56d Minor adjustments
2010-01-15 17:42:46 +00:00

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#!/usr/bin/env python
"""
$Id$
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2007-2009 Bernardo Damele A. G. <bernardo.damele@gmail.com>
Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import os
import random
import re
import socket
import string
import sys
import time
import urlparse
import ntpath
import posixpath
from lib.contrib import magic
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.data import queries
from lib.core.data import temp
from lib.core.convert import urlencode
from lib.core.exception import sqlmapFilePathException
from lib.core.exception import sqlmapNoneDataException
from lib.core.settings import IS_WIN
from lib.core.settings import SQL_STATEMENTS
from lib.core.settings import VERSION_STRING
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]
parameters = parameters.replace(", ", ",")
if 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:
value = elem[1]
testableParameters[parameter] = value
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
if conf.multipleTargets:
warnMsg += ", skipping to next url"
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 formatDBMSfp(versions=None):
"""
This function 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 not versions:
versions = kb.dbmsVersion
if isinstance(versions, str):
return "%s %s" % (kb.dbms, versions)
elif isinstance(versions, (list, set, tuple)):
return "%s %s" % (kb.dbms, " and ".join([version for version in versions]))
elif not versions:
warnMsg = "unable to extensively fingerprint the back-end "
warnMsg += "DBMS version"
logger.warn(warnMsg)
return kb.dbms
def formatFingerprintString(values, chain=" or "):
strJoin = "|".join([v for v in values])
return strJoin.replace("|", chain)
def formatFingerprint(target, info):
"""
This function format 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, formatFingerprintString(info["type"]))
if "distrib" in info:
infoStr += " %s" % formatFingerprintString(info["distrib"])
if "release" in info:
infoStr += " %s" % formatFingerprintString(info["release"])
if "sp" in info:
infoStr += " %s" % formatFingerprintString(info["sp"])
if "codename" in info:
infoStr += " (%s)" % formatFingerprintString(info["codename"])
if "technology" in info:
infoStr += "\nweb application technology: %s" % formatFingerprintString(info["technology"], ", ")
return infoStr
def getHtmlErrorFp():
"""
This function 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 not kb.htmlFp:
return None
if len(kb.htmlFp) == 1:
htmlVer = kb.htmlFp[0]
htmlParsed = htmlVer
elif len(kb.htmlFp) > 1:
htmlParsed = " or ".join([htmlFp for htmlFp in kb.htmlFp])
return htmlParsed
def getDocRoot():
docRoot = None
pagePath = directoryPath(conf.path)
if kb.os == "Windows":
defaultDocRoot = "C:/Inetpub/wwwroot/"
else:
defaultDocRoot = "/var/www/"
if kb.absFilePaths:
for absFilePath in kb.absFilePaths:
absFilePath = normalizePath(absFilePath)
absFilePathWin = None
if re.match("[A-Za-z]:(\\[\w.\\]*)?", absFilePath):
absFilePathWin = absFilePath
absFilePath = absFilePath[2:].replace("\\", "/")
if pagePath in absFilePath:
index = absFilePath.index(pagePath)
docRoot = absFilePath[:index]
if absFilePathWin:
docRoot = "C:/%s" % docRoot.replace("\\", "/")
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]: " % defaultDocRoot
inputDocRoot = readInput(message, default=defaultDocRoot)
if inputDocRoot:
docRoot = inputDocRoot
else:
docRoot = defaultDocRoot
return docRoot
def getDirs():
directories = set()
if kb.os == "Windows":
defaultDir = "C:/Inetpub/wwwroot/test/"
else:
defaultDir = "/var/www/test/"
if kb.absFilePaths:
infoMsg = "retrieved web server full paths: "
infoMsg += "'%s'" % ", ".join(path for path in kb.absFilePaths)
logger.info(infoMsg)
for absFilePath in kb.absFilePaths:
if absFilePath:
directories.add(os.path.dirname(absFilePath))
else:
warnMsg = "unable to retrieve any web server path"
logger.warn(warnMsg)
message = "please provide any additional web server full path to try "
message += "to upload the agent [%s]: " % defaultDir
inputDirs = readInput(message, default=defaultDir)
if inputDirs:
inputDirs = inputDirs.replace(", ", ",")
inputDirs = inputDirs.split(",")
for inputDir in inputDirs:
if inputDir:
directories.add(inputDir)
else:
directories.add(defaultDir)
return directories
def filePathToString(filePath):
strRepl = filePath.replace("/", "_").replace("\\", "_")
strRepl = strRepl.replace(" ", "_").replace(":", "_")
return strRepl
def dataToStdout(data):
sys.stdout.write(data)
sys.stdout.flush()
def dataToSessionFile(data):
if not conf.sessionFile:
return
conf.sessionFP.write(data)
conf.sessionFP.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 = 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 fileToStr(fileName):
"""
@param fileName: file path to read the content and return as a no
NEWLINE string.
@type fileName: C{file.open}
@return: the file content as a string without TAB and NEWLINE.
@rtype: C{str}
"""
filePointer = open(fileName, "r")
fileText = filePointer.read()
return fileText.replace(" ", "").replace("\t", "").replace("\r", "").replace("\n", " ")
def fileToHex(fileName):
"""
@param fileName: file path to read the content and return as an
hexadecimal string.
@type fileName: C{file.open}
@return: the file content as an hexadecimal string.
@rtype: C{str}
"""
fileText = fileToStr(fileName)
hexFile = strToHex(fileText)
return hexFile
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> "
if conf.batch and default:
infoMsg = "%s%s" % (message, str(default))
logger.info(infoMsg)
debugMsg = "used the default behaviour, running in batch mode"
logger.debug(debugMsg)
data = default
else:
data = raw_input(message)
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=5, lowercase=False):
"""
@param length: length of the random string.
@type length: C{int}
@return: a random string of characters.
@rtype: C{str}
"""
if 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 = str(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):
replacedString = inpStr.replace("\n", "__NEWLINE__").replace("\t", "__TAB__")
replacedString = replacedString.replace(temp.delimiter, "__DEL__")
return replacedString
def banner():
"""
This function prints sqlmap banner with its version
"""
print """
%s
by Bernardo Damele A. G. <bernardo.damele@gmail.com>
""" % VERSION_STRING
def parsePasswordHash(password):
blank = " " * 8
if not password or password == " ":
password = "NULL"
if kb.dbms == "Microsoft SQL Server" and password != "NULL":
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 kb.dbmsVersion[0] not in ( "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_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.FUZZ_VECTORS = os.path.join(paths.SQLMAP_TXT_PATH, "fuzz_vectors.txt")
paths.ERRORS_XML = os.path.join(paths.SQLMAP_XML_PATH, "errors.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 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]
conf.path = __urlSplit[2]
conf.hostname = __hostnamePort[0]
if len(__hostnamePort) == 2:
conf.port = int(__hostnamePort[1])
elif conf.scheme == "https":
conf.port = 443
else:
conf.port = 80
if __urlSplit[3]:
conf.parameters["GET"] = __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(".")
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(temp.start) and output.endswith(temp.stop) )
outCond2 = ( output.startswith("__START__") and output.endswith("__STOP__") )
if outCond1 or outCond2:
if outCond1:
regExpr = '%s(.*?)%s' % (temp.start, temp.stop)
elif outCond2:
regExpr = '__START__(.*?)__STOP__'
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(["__START__%s__STOP__" % replaceNewlineTabs(value) for value in output])
dataToSessionFile("[%s][%s][%s][%s][%s]\n" % (conf.url, kb.injPlace, conf.parameters[kb.injPlace], expression, logOutput))
if sort:
output = set(output)
for entry in output:
info = []
if "__DEL__" in entry:
entry = entry.split("__DEL__")
else:
entry = entry.split(temp.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], str):
data = data[0]
return data
def getDelayQuery(andCond=False):
query = None
if kb.dbms in ("MySQL", "PostgreSQL"):
if not kb.data.banner:
conf.dbmsHandler.getVersionFromBanner()
banVer = kb.bannerFp["dbmsVersion"]
if (kb.dbms == "MySQL" and banVer >= "5.0.12") or (kb.dbms == "PostgreSQL" and banVer >= "8.2"):
query = queries[kb.dbms].timedelay % conf.timeSec
if kb.dbms == "MySQL" and andCond:
query = query.replace("SELECT ", "")
else:
query = queries[kb.dbms].timedelay2 % conf.timeSec
else:
query = queries[kb.dbms].timedelay % conf.timeSec
return query
def getLocalIP():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((conf.hostname, conf.port))
ip, _ = s.getsockname()
s.close()
return ip
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 pollProcess(process):
while True:
dataToStdout(".")
time.sleep(1)
returncode = process.poll()
if returncode is not None:
if returncode == 0:
dataToStdout(" done\n")
elif returncode < 0:
dataToStdout(" process terminated by signal %d\n" % returncode)
elif returncode > 0:
dataToStdout(" quit unexpectedly with return code %d\n" % returncode)
break
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 path.find('/') != -1:
retVal = posixpath.dirname(path)
else:
retVal = ntpath.dirname(path)
return retVal
def normalizePath(path):
retVal = None
if path.find('/') != -1:
retVal = posixpath.normpath(path)
else:
retVal = ntpath.normpath(path)
return retVal
def safeStringFormat(formatStr, params):
retVal = formatStr.replace('%d', '%s')
if isinstance(params, str):
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] + str(params[count]) + retVal[index+2:]
else:
raise sqlmapNoneDataException, "wrong number of parameters during string formatting"
count += 1
return retVal
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