upgrade/fixes for direct DBMS access

This commit is contained in:
Miroslav Stampar 2012-02-07 10:46:55 +00:00
parent af71e3c563
commit f7bf1fbe94
9 changed files with 33 additions and 27 deletions

View File

@ -84,6 +84,7 @@ from lib.core.settings import UNICODE_ENCODING
from lib.core.settings import DBMS_DICT
from lib.core.settings import DESCRIPTION
from lib.core.settings import DUMMY_SQL_INJECTION_CHARS
from lib.core.settings import NULL
from lib.core.settings import IS_WIN
from lib.core.settings import PLATFORM
from lib.core.settings import PYVERSION
@ -1088,9 +1089,9 @@ def parsePasswordHash(password):
blank = " " * 8
if not password or password == " ":
password = "NULL"
password = NULL
if Backend.isDbms(DBMS.MSSQL) and password != "NULL" and isHexEncodedString(password):
if Backend.isDbms(DBMS.MSSQL) and password != NULL and isHexEncodedString(password):
hexPassword = password
password = "%s\n" % hexPassword
password += "%sheader: %s\n" % (blank, hexPassword[:6])
@ -2047,7 +2048,7 @@ def getPartRun():
# Return the INI tag to consider for common outputs (e.g. 'Databases')
return commonPartsDict[retVal][1] if isinstance(commonPartsDict.get(retVal), tuple) else retVal
def getUnicode(value, encoding=None, system=False):
def getUnicode(value, encoding=None, system=False, noneToNull=False):
"""
Return the unicode representation of the supplied value:
@ -2059,6 +2060,13 @@ def getUnicode(value, encoding=None, system=False):
u'1'
"""
if noneToNull and value is None:
return NULL
if isinstance(value, (list, tuple)):
value = list(getUnicode(_, encoding, system, noneToNull) for _ in value)
return value
if not system:
if isinstance(value, unicode):
return value
@ -2917,7 +2925,7 @@ def isNullValue(value):
Returns whether the value contains explicit 'NULL' value
"""
return isinstance(value, basestring) and value.upper() == "NULL"
return isinstance(value, basestring) and value.upper() == NULL
def expandMnemonics(mnemonics, parser, args):
"""

View File

@ -29,6 +29,7 @@ from lib.core.enums import DBMS
from lib.core.exception import sqlmapValueException
from lib.core.replication import Replication
from lib.core.settings import BUFFERED_LOG_SIZE
from lib.core.settings import NULL
from lib.core.settings import TRIM_STDOUT_DUMP_SIZE
from lib.core.settings import UNICODE_ENCODING
@ -455,7 +456,7 @@ class Dump:
value = getUnicode(info["values"][i])
if re.search("^[\ *]*$", value):
value = "NULL"
value = NULL
values.append(value)
maxlength = int(info["length"])

View File

@ -86,6 +86,7 @@ from lib.core.settings import DEFAULT_PAGE_ENCODING
from lib.core.settings import DEFAULT_TOR_HTTP_PORTS
from lib.core.settings import DEFAULT_TOR_SOCKS_PORT
from lib.core.settings import IS_WIN
from lib.core.settings import NULL
from lib.core.settings import PLATFORM
from lib.core.settings import PYVERSION
from lib.core.settings import SITE
@ -1474,7 +1475,7 @@ def __setKnowledgeBaseAttributes(flushAll=True):
kb.testQueryCount = 0
kb.threadContinue = True
kb.threadException = False
kb.uChar = "NULL"
kb.uChar = NULL
kb.xpCmdshellAvailable = False
kb.chars = AttribDict()

View File

@ -239,6 +239,9 @@ SQL_STATEMENTS = {
"rollback ", ),
}
# string representation for NULL value
NULL = "NULL"
# Regular expressions used for parsing error messages (--parse-errors)
ERROR_PARSING_REGEXES = (
r"<b>[^<]*(fatal|error|warning|exception)[^<]*</b>:?\s*(?P<result>.+?)<br\s*/?\s*>",

View File

@ -65,19 +65,17 @@ def direct(query, content=True):
if not output:
return output
elif content:
if conf.hostname not in kb.resumedQueries or ( conf.hostname in kb.resumedQueries and query not in kb.resumedQueries[conf.hostname] ):
dataToSessionFile("[%s][%s][%s][%s][%s]\n" % (conf.hostname, kb.injection.place, conf.parameters[kb.injection.place], query, base64pickle(output)))
#if conf.hostname not in kb.resumedQueries or ( conf.hostname in kb.resumedQueries and query not in kb.resumedQueries[conf.hostname] ):
#dataToSessionFile("[%s][%s][%s][%s][%s]\n" % (conf.hostname, kb.injection.place, conf.parameters[kb.injection.place], query, base64pickle(output)))
if len(output) == 1:
if output and isinstance(output, (list, tuple)):
if len(output[0]) == 1:
out = list(output)[0][0]
if isinstance(out, str):
out = utf8decode(out)
return getUnicode(out, UNICODE_ENCODING)
else:
return list(output)
else:
return output
if len(output) > 1:
output = map(lambda _: _[0], output)
else:
output = output[0][0]
return getUnicode(output, noneToNull=True)
else:
for line in output:
if line[0] in (1, -1):

View File

@ -78,8 +78,6 @@ class Enumeration(GenericEnumeration):
rootQuery = queries[Backend.getIdentifiedDbms()].tables
for db in dbs:
db = unArrayizeValue(db)
randStr = randomStr()
query = rootQuery.inband.query % (("'%s'" % db) if db != "USER" else 'USER')
retVal = self.__pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.tablename' % randStr], blind=True)

View File

@ -89,8 +89,6 @@ class Enumeration(GenericEnumeration):
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
for db in dbs:
db = unArrayizeValue(db)
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
@ -172,9 +170,6 @@ class Enumeration(GenericEnumeration):
enumDbs = kb.data.cachedDbs
for db in enumDbs:
if isinstance(db, list):
db = db[0]
db = safeSQLIdentificatorNaming(db)
foundTbls[db] = []

View File

@ -139,8 +139,6 @@ class Enumeration(GenericEnumeration):
rootQuery = queries[Backend.getIdentifiedDbms()].tables
for db in dbs:
db = unArrayizeValue(db)
for blind in blinds:
randStr = randomStr()
query = rootQuery.inband.query % db

View File

@ -897,7 +897,7 @@ class Enumeration:
value = map(lambda x: (dbs[0], x), value)
for db, table in filterPairValues(value):
db = safeSQLIdentificatorNaming(unArrayizeValue(db))
db = safeSQLIdentificatorNaming(db)
table = safeSQLIdentificatorNaming(table, True)
if not kb.data.cachedTables.has_key(db):
@ -1654,6 +1654,10 @@ class Enumeration:
else:
colEntry = entry[index] if index < len(entry) else u''
if colEntry is None:
import pdb
pdb.set_trace()
colEntryLen = len(getUnicode(colEntry))
maxLen = max(colLen, colEntryLen)