This commit is contained in:
Rogdham 2017-10-04 14:36:26 +00:00 committed by GitHub
commit 20b84ed865
2 changed files with 28 additions and 4 deletions

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@ -717,6 +717,9 @@ METASPLOIT_SESSION_TIMEOUT = 120
# Reference: http://www.postgresql.org/docs/9.0/static/catalog-pg-largeobject.html
LOBLKSIZE = 2048
# Replacement for non-ALNUM chars in variables
EVALCODE_NONALNUM_REP = "_%s_" # %s to be changed for hex(ord(char))
# Suffix used to mark variables having keyword names
EVALCODE_KEYWORD_SUFFIX = "_KEYWORD"

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@ -84,6 +84,7 @@ from lib.core.settings import BOUNDARY_BACKSLASH_MARKER
from lib.core.settings import DEFAULT_CONTENT_TYPE
from lib.core.settings import DEFAULT_COOKIE_DELIMITER
from lib.core.settings import DEFAULT_GET_POST_DELIMITER
from lib.core.settings import EVALCODE_NONALNUM_REP
from lib.core.settings import EVALCODE_KEYWORD_SUFFIX
from lib.core.settings import HTTP_ACCEPT_HEADER_VALUE
from lib.core.settings import HTTP_ACCEPT_ENCODING_HEADER_VALUE
@ -1018,6 +1019,8 @@ class Connect(object):
variables = {"uri": uri, "lastPage": threadData.lastPage, "_locals": locals()}
originals = {}
keywords = keyword.kwlist
regex_nonalnum = '(%s)' % \
(EVALCODE_NONALNUM_REP % '0x([0-9a-f]{1,2})')
if not get and PLACE.URI in conf.parameters:
query = urlparse.urlsplit(uri).query or ""
@ -1028,7 +1031,18 @@ class Connect(object):
for part in item.split(delimiter):
if '=' in part:
name, value = part.split('=', 1)
name = re.sub(r"[^\w]", "", name.strip())
# modify non-alnum delimiters already in name
for p in re.findall(regex_nonalnum, name):
b = EVALCODE_NONALNUM_REP % hex(ord(p[0][0]))
e = EVALCODE_NONALNUM_REP % hex(ord(p[0][-1]))
name = name.replace(
p[0], "%s%s%s" % (b, p[0][1:-1], e))
# modify non-alnum characters
name = "".join(
c if re.search(r"^\w$", c)
else EVALCODE_NONALNUM_REP % hex(ord(c))
for c in name)
# modify keywords
if name in keywords:
name = "%s%s" % (name, EVALCODE_KEYWORD_SUFFIX)
value = urldecode(value, convall=True, plusspace=(item==post and kb.postSpaceToPlus))
@ -1068,10 +1082,17 @@ class Connect(object):
evaluateCode(conf.evalCode, variables)
for variable in variables.keys():
original = variable
value = variables[variable]
# restore non-alnum characters
for p in re.findall(regex_nonalnum, variable):
variable = variable.replace(p[0], chr(int(p[1], 16)))
# restore keywords
if variable.endswith(EVALCODE_KEYWORD_SUFFIX):
value = variables[variable]
del variables[variable]
variables[variable.replace(EVALCODE_KEYWORD_SUFFIX, "")] = value
variable = variable.replace(EVALCODE_KEYWORD_SUFFIX, "")
if variable != original:
del variables[original]
variables[variable] = value
uri = variables["uri"]