mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-30 05:23:50 +03:00
71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""
|
|
Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
|
|
See the file 'doc/COPYING' for copying permission
|
|
"""
|
|
|
|
from lib.core.exception import SqlmapSyntaxException
|
|
from plugins.generic.syntax import Syntax as GenericSyntax
|
|
|
|
class Syntax(GenericSyntax):
|
|
def __init__(self):
|
|
GenericSyntax.__init__(self)
|
|
|
|
@staticmethod
|
|
def unescape(expression, quote=True):
|
|
if quote:
|
|
while True:
|
|
index = expression.find("'")
|
|
if index == -1:
|
|
break
|
|
|
|
firstIndex = index + 1
|
|
index = expression[firstIndex:].find("'")
|
|
|
|
if index == -1:
|
|
raise SqlmapSyntaxException, "Unenclosed ' in '%s'" % expression
|
|
|
|
lastIndex = firstIndex + index
|
|
old = "'%s'" % expression[firstIndex:lastIndex]
|
|
unescaped = ""
|
|
|
|
for i in xrange(firstIndex, lastIndex):
|
|
unescaped += "CHR(%d)" % (ord(expression[i]))
|
|
if i < lastIndex - 1:
|
|
unescaped += "&"
|
|
|
|
expression = expression.replace(old, unescaped)
|
|
else:
|
|
unescaped = "".join("CHR(%d)&" % ord(c) for c in expression)
|
|
if unescaped[-1] == "&":
|
|
unescaped = unescaped[:-1]
|
|
|
|
expression = unescaped
|
|
|
|
return expression
|
|
|
|
@staticmethod
|
|
def escape(expression):
|
|
while True:
|
|
index = expression.find("CHR(")
|
|
if index == -1:
|
|
break
|
|
|
|
firstIndex = index
|
|
index = expression[firstIndex:].find(")")
|
|
|
|
if index == -1:
|
|
raise SqlmapSyntaxException, "Unenclosed ) in '%s'" % expression
|
|
|
|
lastIndex = firstIndex + index + 1
|
|
old = expression[firstIndex:lastIndex]
|
|
oldUpper = old.upper()
|
|
oldUpper = oldUpper.lstrip("CHR(").rstrip(")")
|
|
oldUpper = oldUpper.split("&")
|
|
|
|
escaped = "'%s'" % "".join(chr(int(char)) for char in oldUpper)
|
|
expression = expression.replace(old, escaped).replace("'&'", "")
|
|
|
|
return expression
|