#!/usr/bin/env python
"""
Copyright (c) 2006-2014 sqlmap developers (http://sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""
import codecs
import httplib
import os
import re
import urlparse
import tempfile
import time
from lib.core.common import clearConsoleLine
from lib.core.common import dataToStdout
from lib.core.common import findPageForms
from lib.core.common import openFile
from lib.core.common import readInput
from lib.core.common import safeCSValue
from lib.core.common import singleTimeWarnMessage
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.core.settings import CRAWL_EXCLUDE_EXTENSIONS
from lib.core.settings import UNICODE_ENCODING
from lib.core.threads import getCurrentThreadData
from lib.core.threads import runThreads
from lib.request.connect import Connect as Request
from thirdparty.beautifulsoup.beautifulsoup import BeautifulSoup
from thirdparty.oset.pyoset import oset
def crawl(target):
try:
visited = set()
threadData = getCurrentThreadData()
threadData.shared.value = oset()
def crawlThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
if threadData.shared.unprocessed:
current = threadData.shared.unprocessed.pop()
if current in visited:
continue
else:
visited.add(current)
else:
break
content = None
try:
if current:
content = Request.getPage(url=current, crawling=True, raise404=False)[0]
except SqlmapConnectionException, e:
errMsg = "connection exception detected (%s). skipping " % e
errMsg += "URL '%s'" % current
logger.critical(errMsg)
except httplib.InvalidURL, e:
errMsg = "invalid URL detected (%s). skipping " % e
errMsg += "URL '%s'" % current
logger.critical(errMsg)
if not kb.threadContinue:
break
if isinstance(content, unicode):
try:
match = re.search(r"(?si)<html[^>]*>(.+)</html>", content)
if match:
content = "<html>%s</html>" % match.group(1)
soup = BeautifulSoup(content)
tags = soup('a')
if not tags:
tags = re.finditer(r'(?si)<a[^>]+href="(?P<href>[^>"]+)"', content)
for tag in tags:
href = tag.get("href") if hasattr(tag, "get") else tag.group("href")
if href:
if threadData.lastRedirectURL and threadData.lastRedirectURL[0] == threadData.lastRequestUID:
current = threadData.lastRedirectURL[1]
url = urlparse.urljoin(current, href)
# flag to know if we are dealing with the same target host
_ = reduce(lambda x, y: x == y, map(lambda x: urlparse.urlparse(x).netloc.split(':')[0], (url, target)))
if conf.scope:
if not re.search(conf.scope, url, re.I):
continue
elif not _:
continue
if url.split('.')[-1].lower() not in CRAWL_EXCLUDE_EXTENSIONS:
with kb.locks.value:
threadData.shared.deeper.add(url)
if re.search(r"(.*?)\?(.+)", url):
threadData.shared.value.add(url)
except UnicodeEncodeError: # for non-HTML files
pass
finally:
if conf.forms:
findPageForms(content, current, False, True)
if conf.verbose in (1, 2):
threadData.shared.count += 1
status = '%d/%d links visited (%d%%)' % (threadData.shared.count, threadData.shared.length, round(100.0 * threadData.shared.count / threadData.shared.length))
dataToStdout("\r[%s] [INFO] %s" % (time.strftime("%X"), status), True)
threadData.shared.deeper = set()
threadData.shared.unprocessed = set([target])
infoMsg = "starting crawler"
if conf.bulkFile:
infoMsg += " for target URL '%s'" % target
logger.info(infoMsg)
for i in xrange(conf.crawlDepth):
threadData.shared.count = 0
threadData.shared.length = len(threadData.shared.unprocessed)
numThreads = min(conf.threads, len(threadData.shared.unprocessed))
if not conf.bulkFile:
logger.info("searching for links with depth %d" % (i + 1))
runThreads(numThreads, crawlThread, threadChoice=(i>0))
clearConsoleLine(True)
if threadData.shared.deeper:
threadData.shared.unprocessed = set(threadData.shared.deeper)
else:
break
except KeyboardInterrupt:
warnMsg = "user aborted during crawling. sqlmap "
warnMsg += "will use partial list"
logger.warn(warnMsg)
finally:
clearConsoleLine(True)
if not threadData.shared.value:
warnMsg = "no usable links found (with GET parameters)"
logger.warn(warnMsg)
else:
for url in threadData.shared.value:
kb.targets.add((url, None, None, None, None))
storeResultsToFile(kb.targets)
def storeResultsToFile(results):
if not results:
return
if kb.storeCrawlingChoice is None:
message = "do you want to store crawling results to a temporary file "
message += "for eventual further processing with other tools [y/N] "
test = readInput(message, default="N")
kb.storeCrawlingChoice = test[0] in ("y", "Y")
if kb.storeCrawlingChoice:
handle, filename = tempfile.mkstemp(prefix="sqlmapcrawling-", suffix=".csv" if conf.forms else ".txt")
os.close(handle)
infoMsg = "writing crawling results to a temporary file '%s' " % filename
logger.info(infoMsg)
with openFile(filename, "w+b") as f:
if conf.forms:
f.write("URL,POST\n")
for url, _, data, _, _ in results:
if conf.forms:
f.write("%s,%s\n" % (safeCSValue(url), safeCSValue(data or "")))
else:
f.write("%s\n" % url)