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Fix for an Issue #650

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Miroslav Stampar 2014-03-24 10:46:23 +01:00
parent 106102bd3c
commit f6e1d9e026
2 changed files with 26 additions and 4 deletions
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3
lib/core/settings.py
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@ -460,6 +460,9 @@ HASHDB_FLUSH_THRESHOLD = 32
# Number of retries for unsuccessful HashDB flush attempts # Number of retries for unsuccessful HashDB flush attempts
HASHDB_FLUSH_RETRIES = 3 HASHDB_FLUSH_RETRIES = 3
# Number of retries for unsuccessful HashDB end transaction attempts
HASHDB_END_TRANSACTION_RETRIES = 3
# Unique milestone value used for forced deprecation of old HashDB values (e.g. when changing hash/pickle mechanism) # Unique milestone value used for forced deprecation of old HashDB values (e.g. when changing hash/pickle mechanism)
HASHDB_MILESTONE_VALUE = "cAWxkLYCQT" # r5129 "".join(random.sample(string.ascii_letters, 10)) HASHDB_MILESTONE_VALUE = "cAWxkLYCQT" # r5129 "".join(random.sample(string.ascii_letters, 10))

27
lib/utils/hashdb.py
View File

@ -16,6 +16,7 @@ from lib.core.common import serializeObject
from lib.core.common import unserializeObject from lib.core.common import unserializeObject
from lib.core.data import logger from lib.core.data import logger
from lib.core.exception import SqlmapDataException from lib.core.exception import SqlmapDataException
from lib.core.settings import HASHDB_END_TRANSACTION_RETRIES
from lib.core.settings import HASHDB_FLUSH_RETRIES from lib.core.settings import HASHDB_FLUSH_RETRIES
from lib.core.settings import HASHDB_FLUSH_THRESHOLD from lib.core.settings import HASHDB_FLUSH_THRESHOLD
from lib.core.settings import UNICODE_ENCODING from lib.core.settings import UNICODE_ENCODING
@ -43,7 +44,11 @@ class HashDB(object):
return threadData.hashDBCursor return threadData.hashDBCursor
cursor = property(_get_cursor) def _set_cursor(self, cursor):
threadData = getCurrentThreadData()
threadData.hashDBCursor = cursor
cursor = property(_get_cursor, _set_cursor)
def close(self): def close(self):
threadData = getCurrentThreadData() threadData = getCurrentThreadData()
@ -134,15 +139,29 @@ class HashDB(object):
def beginTransaction(self): def beginTransaction(self):
threadData = getCurrentThreadData() threadData = getCurrentThreadData()
if not threadData.inTransaction: if not threadData.inTransaction:
self.cursor.execute('BEGIN TRANSACTION') self.cursor.execute("BEGIN TRANSACTION")
threadData.inTransaction = True threadData.inTransaction = True
def endTransaction(self): def endTransaction(self):
threadData = getCurrentThreadData() threadData = getCurrentThreadData()
if threadData.inTransaction: if threadData.inTransaction:
retries = 0
while retries < HASHDB_END_TRANSACTION_RETRIES:
try:
self.cursor.execute("END TRANSACTION")
threadData.inTransaction = False
except sqlite3.OperationalError:
pass
else:
return
retries += 1
time.sleep(1)
try: try:
self.cursor.execute('END TRANSACTION') self.cursor.execute("ROLLBACK TRANSACTION")
except sqlite3.OperationalError: except sqlite3.OperationalError:
pass self.cursor.close()
self.cursor = None
finally: finally:
threadData.inTransaction = False threadData.inTransaction = False