mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-23 01:56:36 +03:00
68 lines
1.6 KiB
Python
68 lines
1.6 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""
|
|
Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
|
|
See the file 'doc/COPYING' for copying permission
|
|
"""
|
|
|
|
import random
|
|
|
|
from lib.core.enums import PRIORITY
|
|
|
|
__priority__ = PRIORITY.LOW
|
|
|
|
def dependencies():
|
|
pass
|
|
|
|
def tamper(payload):
|
|
"""
|
|
Replaces space character (' ') with a random blank character from a
|
|
valid set of alternate characters
|
|
|
|
Example:
|
|
* Input: SELECT id FROM users
|
|
* Output: SELECT\rid\tFROM\nusers
|
|
|
|
Tested against:
|
|
* Microsoft SQL Server 2005
|
|
* MySQL 4, 5.0 and 5.5
|
|
* Oracle 10g
|
|
* PostgreSQL 8.3, 8.4, 9.0
|
|
|
|
Notes:
|
|
* Useful to bypass several web application firewalls
|
|
"""
|
|
|
|
# ASCII table:
|
|
# TAB 09 horizontal TAB
|
|
# LF 0A new line
|
|
# FF 0C new page
|
|
# CR 0D carriage return
|
|
blanks = ("%09", "%0A", "%0C", "%0D")
|
|
retVal = payload
|
|
|
|
if payload:
|
|
retVal = ""
|
|
quote, doublequote, firstspace = False, False, False
|
|
|
|
for i in xrange(len(payload)):
|
|
if not firstspace:
|
|
if payload[i].isspace():
|
|
firstspace = True
|
|
retVal += random.choice(blanks)
|
|
continue
|
|
|
|
elif payload[i] == '\'':
|
|
quote = not quote
|
|
|
|
elif payload[i] == '"':
|
|
doublequote = not doublequote
|
|
|
|
elif payload[i] == ' ' and not doublequote and not quote:
|
|
retVal += random.choice(blanks)
|
|
continue
|
|
|
|
retVal += payload[i]
|
|
|
|
return retVal
|