Minor improvement for international strings in payloads

Author: stamparm

lib/core/settings.py

@@ -18,7 +18,7 @@
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.5.156"
+VERSION = "1.3.5.157"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)

lib/core/unescaper.py

@@ -12,9 +12,6 @@
 
 class Unescaper(AttribDict):
     def escape(self, expression, quote=True, dbms=None):
-        if conf.noEscape:
-            return expression
-
         if expression is None:
             return expression
 

plugins/generic/syntax.py

@@ -7,6 +7,8 @@
 
 import re
 
+from lib.core.convert import getBytes
+from lib.core.data import conf
 from lib.core.exception import SqlmapUndefinedMethod
 
 class Syntax(object):
@@ -23,9 +25,14 @@ def _escape(expression, quote=True, escaper=None):
 
         if quote:
             for item in re.findall(r"'[^']*'+", expression):
-                _ = item[1:-1]
-                if _:
-                    retVal = retVal.replace(item, escaper(_))
+                original = item[1:-1]
+                if original:
+                    replacement = escaper(original) if not conf.noEscape else original
+
+                    if replacement != original:
+                        retVal = retVal.replace(item, replacement)
+                    elif len(original) != len(getBytes(original)) and "n'%s'" % original not in retVal:
+                        retVal = retVal.replace("'%s'" % original, "n'%s'" % original)
         else:
             retVal = escaper(expression)