#!/usr/bin/env python

"""
Copyright (c) 2006-2026 sqlmap developers (https://sqlmap.org)
See the file 'LICENSE' for copying permission
"""

from __future__ import division

import os
import re
import subprocess
import time

from lib.controller.action import action
from lib.controller.checks import checkConnection
from lib.controller.checks import checkDynParam
from lib.controller.checks import checkInternet
from lib.controller.checks import checkJWT
from lib.controller.checks import checkNullConnection
from lib.controller.checks import checkSqlInjection
from lib.controller.checks import checkStability
from lib.controller.checks import checkWaf
from lib.controller.checks import heuristicCheckSqlInjection
from lib.core.agent import agent
from lib.core.common import dataToStdout
from lib.core.common import extractRegexResult
from lib.core.common import getFilteredPageContent
from lib.core.common import getPublicTypeMembers
from lib.core.common import getSafeExString
from lib.core.common import hashDBRetrieve
from lib.core.common import hashDBWrite
from lib.core.common import intersect
from lib.core.common import isDigit
from lib.core.common import isListLike
from lib.core.common import parseTargetUrl
from lib.core.common import popValue
from lib.core.common import pushValue
from lib.core.common import randomInt
from lib.core.common import randomStr
from lib.core.common import readInput
from lib.core.common import removePostHintPrefix
from lib.core.common import safeCSValue
from lib.core.common import showHttpErrorCodes
from lib.core.common import singleTimeWarnMessage
from lib.core.common import urldecode
from lib.core.common import urlencode
from lib.core.compat import xrange
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.decorators import stackedmethod
from lib.core.enums import CONTENT_TYPE
from lib.core.enums import HASHDB_KEYS
from lib.core.enums import HEURISTIC_TEST
from lib.core.enums import HTTP_HEADER
from lib.core.enums import HTTPMETHOD
from lib.core.enums import NOTE
from lib.core.enums import PAYLOAD
from lib.core.enums import PLACE
from lib.core.exception import SqlmapBaseException
from lib.core.exception import SqlmapConnectionException
from lib.core.exception import SqlmapNoneDataException
from lib.core.exception import SqlmapNotVulnerableException
from lib.core.exception import SqlmapSilentQuitException
from lib.core.exception import SqlmapSkipTargetException
from lib.core.exception import SqlmapSystemException
from lib.core.exception import SqlmapUserQuitException
from lib.core.exception import SqlmapValueException
from lib.core.settings import ASP_NET_CONTROL_REGEX
from lib.core.settings import CSRF_TOKEN_PARAMETER_INFIXES
from lib.core.settings import DEFAULT_GET_POST_DELIMITER
from lib.core.settings import NONSQL_TECHNIQUES
from lib.core.settings import EMPTY_FORM_FIELDS_REGEX
from lib.core.settings import GOOGLE_ANALYTICS_COOKIE_REGEX
from lib.core.settings import HASHDB_STALE_DAYS
from lib.core.settings import HOST_ALIASES
from lib.core.settings import IGNORE_PARAMETERS
from lib.core.settings import LOW_TEXT_PERCENT
from lib.core.settings import REFERER_ALIASES
from lib.core.settings import USER_AGENT_ALIASES
from lib.core.settings import WAF_BYPASS_MAX_TRIALS
from lib.core.target import initTargetEnv
from lib.core.target import setupTargetEnv
from lib.utils.hash import crackHashFile

def _selectInjection():
    """
    Selection function for injection place, parameters and type.
    """

    points = {}

    for injection in kb.injections:
        place = injection.place
        parameter = injection.parameter
        ptype = injection.ptype

        point = (place, parameter, ptype)

        if point not in points:
            points[point] = injection
        else:
            for key in points[point]:
                if key != 'data':
                    points[point][key] = points[point][key] or injection[key]
            points[point]['data'].update(injection['data'])

    if len(points) == 1:
        kb.injection = kb.injections[0]

    elif len(points) > 1:
        message = "there were multiple injection points, please select "
        message += "the one to use for following injections:\n"

        points = []

        for i in xrange(0, len(kb.injections)):
            place = kb.injections[i].place
            parameter = kb.injections[i].parameter
            ptype = kb.injections[i].ptype
            point = (place, parameter, ptype)

            if point not in points:
                points.append(point)
                ptype = PAYLOAD.PARAMETER[ptype] if isinstance(ptype, int) else ptype

                message += "[%d] place: %s, parameter: " % (i, place)
                message += "%s, type: %s" % (parameter, ptype)

                if i == 0:
                    message += " (default)"

                message += "\n"

        message += "[q] Quit"
        choice = readInput(message, default='0').upper()

        if isDigit(choice) and int(choice) < len(kb.injections) and int(choice) >= 0:
            index = int(choice)
        elif choice == 'Q':
            raise SqlmapUserQuitException
        else:
            errMsg = "invalid choice"
            raise SqlmapValueException(errMsg)

        kb.injection = kb.injections[index]

def _formatInjection(inj):
    paramType = conf.method if conf.method not in (None, HTTPMETHOD.GET, HTTPMETHOD.POST) else inj.place
    data = "Parameter: %s (%s)\n" % (inj.parameter, paramType)

    for stype, sdata in inj.data.items():
        title = sdata.title
        vector = sdata.vector
        comment = sdata.comment
        payload = agent.adjustLateValues(sdata.payload)
        if inj.place == PLACE.CUSTOM_HEADER:
            payload = payload.split(',', 1)[1]
        if stype == PAYLOAD.TECHNIQUE.UNION:
            count = re.sub(r"(?i)(\(.+\))|(\blimit[^a-z]+)", "", sdata.payload).count(',') + 1
            title = re.sub(r"\d+ to \d+", str(count), title)
            vector = agent.forgeUnionQuery("[QUERY]", vector[0], vector[1], vector[2], None, None, vector[5], vector[6])
            if count == 1:
                title = title.replace("columns", "column")
        elif comment:
            vector = "%s%s" % (vector, comment)
        data += "    Type: %s\n" % PAYLOAD.SQLINJECTION[stype]
        data += "    Title: %s\n" % title
        data += "    Payload: %s\n" % urldecode(payload, unsafe="&", spaceplus=(inj.place != PLACE.GET and kb.postSpaceToPlus))
        data += "    Vector: %s\n\n" % vector if conf.verbose > 1 else "\n"

    return data

def _autoWafBypass(place, parameter, value):
    """
    Automatic WAF/IPS bypass (offered interactively once a WAF/IPS is detected, cached in
    kb.wafBypass). The request fingerprint has already been neutralized up-front (non-scanner
    User-Agent, see checkWaf), so here the empirically-ranked candidate tamper scripts are trialled
    and the first that RESTORES a confirmed injection is adopted. Re-running checkSqlInjection()
    through a candidate is itself the validation - it succeeds only if the resulting payload both
    passes the WAF and stays valid SQL, so junk/incompatible candidates are rejected automatically.
    """

    from lib.utils.wafbypass import candidateTampers, loadTamper

    retVal = None

    savedTamper = kb.tamperFunctions
    savedTechnique = conf.technique
    conf.technique = [PAYLOAD.TECHNIQUE.BOOLEAN]    # bound each trial to a quick boolean re-check

    candidates = candidateTampers(identifiedWafs=kb.identifiedWafs)

    try:
        for count, name in enumerate(candidates):
            if count >= WAF_BYPASS_MAX_TRIALS:
                break

            function = loadTamper(name)
            if function is None:
                continue

            kb.tamperFunctions = [function]
            logger.info("trying to bypass the WAF/IPS with tamper script '%s'" % name)

            injection = checkSqlInjection(place, parameter, value)
            if getattr(injection, "place", None) is not None and NOTE.FALSE_POSITIVE_OR_UNEXPLOITABLE not in injection.notes:
                logger.info("bypassed the WAF/IPS by using tamper script '%s' (with a non-scanner User-Agent)" % name)
                logger.info("the same result can be reproduced manually with switch '--random-agent' and tamper script '%s'" % name)
                retVal = injection
                return retVal

            if kb.droppingRequests and count >= 2:
                logger.warning("target keeps dropping requests; giving up on the WAF/IPS bypass")
                break
    finally:
        conf.technique = savedTechnique
        if retVal is None:      # nothing worked - leave tampering untouched
            kb.tamperFunctions = savedTamper
            # honest bail: say it could not be bypassed and what to try manually
            logger.warning("unable to automatically bypass the WAF/IPS; it might be using behavioral or rate-based detection (consider a manual '--tamper' selection, '--delay', or '--proxy' rotation)")

    return retVal

def _showInjections():
    if conf.wizard and kb.wizardMode:
        kb.wizardMode = False

    if kb.testQueryCount > 0:
        header = "sqlmap identified the following injection point(s) with "
        header += "a total of %d HTTP(s) requests" % kb.testQueryCount
    else:
        header = "sqlmap resumed the following injection point(s) from stored session"

    if conf.api:
        conf.dumper.string("", {"url": conf.url, "query": conf.parameters.get(PLACE.GET), "data": conf.parameters.get(PLACE.POST)}, content_type=CONTENT_TYPE.TARGET)
        conf.dumper.string("", kb.injections, content_type=CONTENT_TYPE.TECHNIQUES)
    else:
        # --report-json: capture the same TARGET/TECHNIQUES structures the API emits, without
        # printing them (the human-readable injection points are rendered just below)
        if conf.reportJson:
            conf.dumper._reportData({"url": conf.url, "query": conf.parameters.get(PLACE.GET), "data": conf.parameters.get(PLACE.POST)}, CONTENT_TYPE.TARGET)
            conf.dumper._reportData(kb.injections, CONTENT_TYPE.TECHNIQUES)

        data = "".join(set(_formatInjection(_) for _ in kb.injections)).rstrip("\n")
        conf.dumper.string(header, data)

    # when results were resumed (no test requests this run), nudge if the session file is stale -
    # this is the common "why is it showing old/unexpected results?" confusion
    if kb.testQueryCount == 0 and not conf.freshQueries:
        try:
            days = int((time.time() - os.path.getmtime(conf.hashDBFile)) / (24 * 3600))
        except (OSError, IOError, TypeError):
            days = 0

        if days >= HASHDB_STALE_DAYS:
            warnMsg = "results above were resumed from a session file last updated %d days ago, " % days
            warnMsg += "so they may be stale. Rerun with '--flush-session' to retest "
            warnMsg += "or '--fresh-queries' to ignore cached query results"
            logger.warning(warnMsg)

    if conf.tamper:
        warnMsg = "changes made by tampering scripts are not "
        warnMsg += "included in shown payload content(s)"
        logger.warning(warnMsg)

    if conf.hpp:
        warnMsg = "changes made by HTTP parameter pollution are not "
        warnMsg += "included in shown payload content(s)"
        logger.warning(warnMsg)

def _randomFillBlankFields(value):
    retVal = value

    if extractRegexResult(EMPTY_FORM_FIELDS_REGEX, value):
        message = "do you want to fill blank fields with random values? [Y/n] "

        if readInput(message, default='Y', boolean=True):
            for match in re.finditer(EMPTY_FORM_FIELDS_REGEX, retVal):
                item = match.group("result")
                if not any(_ in item for _ in IGNORE_PARAMETERS) and not re.search(ASP_NET_CONTROL_REGEX, item):
                    newValue = randomStr() if not re.search(r"^id|id$", item, re.I) else randomInt()
                    if item[-1] == DEFAULT_GET_POST_DELIMITER:
                        retVal = retVal.replace(item, "%s%s%s" % (item[:-1], newValue, DEFAULT_GET_POST_DELIMITER))
                    else:
                        retVal = retVal.replace(item, "%s%s" % (item, newValue))

    return retVal

def _saveToHashDB():
    injections = hashDBRetrieve(HASHDB_KEYS.KB_INJECTIONS, True)
    if not isListLike(injections):
        injections = []
    injections.extend(_ for _ in kb.injections if _ and _.place is not None and _.parameter is not None)

    _ = dict()
    for injection in injections:
        key = (injection.place, injection.parameter, injection.ptype)
        if key not in _:
            _[key] = injection
        else:
            _[key].data.update(injection.data)
    hashDBWrite(HASHDB_KEYS.KB_INJECTIONS, list(_.values()), True)

    _ = hashDBRetrieve(HASHDB_KEYS.KB_ABS_FILE_PATHS, True)
    hashDBWrite(HASHDB_KEYS.KB_ABS_FILE_PATHS, kb.absFilePaths | (_ if isinstance(_, set) else set()), True)

    if not hashDBRetrieve(HASHDB_KEYS.KB_CHARS):
        hashDBWrite(HASHDB_KEYS.KB_CHARS, kb.chars, True)

    if not hashDBRetrieve(HASHDB_KEYS.KB_DYNAMIC_MARKINGS):
        hashDBWrite(HASHDB_KEYS.KB_DYNAMIC_MARKINGS, kb.dynamicMarkings, True)

def _saveToResultsFile():
    if not conf.resultsFP:
        return

    results = {}
    techniques = dict((_[1], _[0]) for _ in getPublicTypeMembers(PAYLOAD.TECHNIQUE))

    for injection in kb.injections + kb.falsePositives:
        if injection.place is None or injection.parameter is None:
            continue

        key = (injection.place, injection.parameter, ';'.join(injection.notes))
        if key not in results:
            results[key] = []

        results[key].extend(list(injection.data.keys()))

    try:
        for key, value in results.items():
            place, parameter, notes = key
            line = "%s,%s,%s,%s,%s%s" % (safeCSValue(kb.originalUrls.get(conf.url) or conf.url), place, parameter, "".join(techniques[_][0].upper() for _ in sorted(value)), notes, os.linesep)
            conf.resultsFP.write(line)

        conf.resultsFP.flush()
    except IOError as ex:
        errMsg = "unable to write to the results file '%s' ('%s'). " % (conf.resultsFile, getSafeExString(ex))
        raise SqlmapSystemException(errMsg)

@stackedmethod
def start():
    """
    This function calls a function that performs checks on both URL
    stability and all GET, POST, Cookie and User-Agent parameters to
    check if they are dynamic and SQL injection affected
    """

    if conf.hashFile:
        crackHashFile(conf.hashFile)

    if conf.direct:
        initTargetEnv()
        setupTargetEnv()
        action()
        return True

    if conf.url and not any((conf.forms, conf.crawlDepth)):
        kb.targets.add((conf.url, conf.method, conf.data, conf.cookie, None))

    if conf.configFile and not kb.targets:
        errMsg = "you did not edit the configuration file properly, set "
        errMsg += "the target URL, list of targets or google dork"
        logger.error(errMsg)
        return False

    if kb.targets and isListLike(kb.targets) and len(kb.targets) > 1:
        infoMsg = "found a total of %d targets" % len(kb.targets)
        logger.info(infoMsg)

    targetCount = 0
    initialHeaders = list(conf.httpHeaders)

    for targetUrl, targetMethod, targetData, targetCookie, targetHeaders in kb.targets:
        targetCount += 1

        # --report-json: give each target its own taskid in the shared collector, so a multi-target
        # run (e.g. '-m' bulk file) doesn't have later targets overwrite earlier ones (see _reportData)
        if conf.reportJson:
            kb.reportTaskId = targetCount

        try:
            if conf.checkInternet:
                infoMsg = "checking for Internet connection"
                logger.info(infoMsg)

                if not checkInternet():
                    warnMsg = "[%s] [WARNING] no connection detected" % time.strftime("%X")
                    dataToStdout(warnMsg)

                    valid = False
                    for _ in xrange(conf.retries):
                        if checkInternet():
                            valid = True
                            break
                        else:
                            dataToStdout('.')
                            time.sleep(5)

                    if not valid:
                        errMsg = "please check your Internet connection and rerun"
                        raise SqlmapConnectionException(errMsg)
                    else:
                        dataToStdout("\n")

            conf.url = targetUrl
            conf.method = targetMethod.upper().strip() if targetMethod else targetMethod
            conf.data = targetData
            conf.cookie = targetCookie
            conf.httpHeaders = list(initialHeaders)
            conf.httpHeaders.extend(targetHeaders or [])

            if conf.randomAgent or conf.mobile:
                for header, value in initialHeaders:
                    if header.upper() == HTTP_HEADER.USER_AGENT.upper():
                        conf.httpHeaders.append((header, value))
                        break

            if conf.data:
                # Note: explicitly URL encode __ ASP(.NET) parameters (e.g. to avoid problems with Base64 encoded '+' character) - standard procedure in web browsers
                conf.data = re.sub(r"\b(__\w+)=([^&]+)", lambda match: "%s=%s" % (match.group(1), urlencode(match.group(2), safe='%')), conf.data)

            conf.httpHeaders = [conf.httpHeaders[i] for i in xrange(len(conf.httpHeaders)) if conf.httpHeaders[i][0].upper() not in (__[0].upper() for __ in conf.httpHeaders[i + 1:])]

            initTargetEnv()
            parseTargetUrl()

            testSqlInj = False

            if PLACE.GET in conf.parameters and not any((conf.data, conf.testParameter)):
                for parameter in re.findall(r"([^=]+)=([^%s]+%s?|\Z)" % (re.escape(conf.paramDel or "") or DEFAULT_GET_POST_DELIMITER, re.escape(conf.paramDel or "") or DEFAULT_GET_POST_DELIMITER), conf.parameters[PLACE.GET]):
                    paramKey = (conf.hostname, conf.path, PLACE.GET, parameter[0])

                    if paramKey not in kb.testedParams:
                        testSqlInj = True
                        break
            else:
                paramKey = (conf.hostname, conf.path, None, None)
                if paramKey not in kb.testedParams:
                    testSqlInj = True

            if testSqlInj and conf.hostname in kb.vulnHosts:
                if kb.skipVulnHost is None:
                    message = "SQL injection vulnerability has already been detected "
                    message += "against '%s'. Do you want to skip " % conf.hostname
                    message += "further tests involving it? [Y/n]"

                    kb.skipVulnHost = readInput(message, default='Y', boolean=True)

                testSqlInj = not kb.skipVulnHost

            if not testSqlInj:
                infoMsg = "skipping '%s'" % targetUrl
                logger.info(infoMsg)
                continue

            if conf.multipleTargets:
                if conf.forms and conf.method:
                    message = "[%d/%s] Form:\n%s %s" % (targetCount, len(kb.targets) if isListLike(kb.targets) else '?', conf.method, targetUrl)
                else:
                    message = "[%d/%s] URL:\n%s %s" % (targetCount, len(kb.targets) if isListLike(kb.targets) else '?', HTTPMETHOD.GET, targetUrl)

                if conf.cookie:
                    message += "\nCookie: %s" % conf.cookie

                if conf.data is not None:
                    message += "\n%s data: %s" % ((conf.method if conf.method != HTTPMETHOD.GET else None) or HTTPMETHOD.POST, urlencode(conf.data or "") if re.search(r"\A\s*[<{]", conf.data or "") is None else conf.data)

                if conf.forms and conf.method:
                    if conf.method == HTTPMETHOD.GET and targetUrl.find("?") == -1:
                        continue

                    message += "\ndo you want to test this form? [Y/n/q] "
                    choice = readInput(message, default='Y').upper()

                    if choice == 'N':
                        continue
                    elif choice == 'Q':
                        break
                    else:
                        if conf.method != HTTPMETHOD.GET:
                            message = "Edit %s data [default: %s]%s: " % (conf.method, urlencode(conf.data or "") if re.search(r"\A\s*[<{]", conf.data or "None") is None else conf.data, " (Warning: blank fields detected)" if conf.data and extractRegexResult(EMPTY_FORM_FIELDS_REGEX, conf.data) else "")
                            conf.data = readInput(message, default=conf.data)
                            conf.data = _randomFillBlankFields(conf.data)
                            conf.data = urldecode(conf.data) if conf.data and urlencode(DEFAULT_GET_POST_DELIMITER, None) not in conf.data else conf.data

                        else:
                            if '?' in targetUrl:
                                firstPart, secondPart = targetUrl.split('?', 1)
                                message = "Edit GET data [default: %s]: " % secondPart
                                test = readInput(message, default=secondPart)
                                test = _randomFillBlankFields(test)
                                conf.url = "%s?%s" % (firstPart, test)

                        parseTargetUrl()

                else:
                    if not conf.scope:
                        message += "\ndo you want to test this URL? [Y/n/q]"
                        choice = readInput(message, default='Y').upper()

                        if choice == 'N':
                            dataToStdout(os.linesep)
                            continue
                        elif choice == 'Q':
                            break
                    else:
                        pass

                    infoMsg = "testing URL '%s'" % targetUrl
                    logger.info(infoMsg)

            if conf.graphql and PLACE.GET not in conf.parameters:
                # graphqlScan() is self-contained and operates on the GraphQL
                # document, not on HTTP parameters. A dummy GET parameter keeps
                # _setRequestParams() from appending the URI injection marker ('*')
                # to a bare endpoint URL (which would break detection under
                # '--batch'); it is discarded by graphqlScan() on entry.
                conf.parameters[PLACE.GET] = "x"

            setupTargetEnv()

            if not any((conf.graphql,)) and not checkConnection(suppressOutput=conf.forms):
                continue

            if conf.rParam and kb.originalPage:
                kb.randomPool = dict(_ for _ in kb.randomPool.items() if isinstance(_[1], list))

                for match in re.finditer(r"(?si)<select[^>]+\bname\s*=\s*[\"']([^\"']+)(.+?)</select>", kb.originalPage):
                    name, _ = match.groups()
                    options = tuple(re.findall(r"<option[^>]+\bvalue\s*=\s*[\"']([^\"']+)", _))
                    if options:
                        kb.randomPool[name] = options

            checkWaf()

            checkJWT()

            if conf.mineParams and not any(conf.get(_) for _ in NONSQL_TECHNIQUES):
                from lib.utils.paraminer import mineParameters
                mineParameters()

            if any(conf.get(_) for _ in NONSQL_TECHNIQUES) and (conf.reportJson or conf.resultsFile):
                singleTimeWarnMessage("'--report-json'/'--results-file' do not (yet) capture non-SQL technique (%s) findings; these are reported on the console only" % '/'.join("--%s" % _ for _ in NONSQL_TECHNIQUES))

            if conf.graphql:
                from lib.techniques.graphql.inject import graphqlScan
                graphqlScan()
                continue

            if conf.nosql:
                from lib.techniques.nosql.inject import nosqlScan
                nosqlScan()
                continue

            if conf.ldap:
                from lib.techniques.ldap.inject import ldapScan
                ldapScan()
                continue

            if conf.xpath:
                from lib.techniques.xpath.inject import xpathScan
                xpathScan()
                continue

            if conf.ssti:
                from lib.techniques.ssti.inject import sstiScan
                sstiScan()
                continue

            if conf.xslt:
                from lib.techniques.xslt.inject import xsltScan
                xsltScan()
                continue

            if conf.xxe:
                from lib.techniques.xxe.inject import xxeScan
                xxeScan()
                continue

            if conf.hql:
                from lib.techniques.hql.inject import hqlScan
                hqlScan()
                continue

            if conf.sparql:
                from lib.techniques.sparql.inject import sparqlScan
                sparqlScan()
                continue

            if conf.odata:
                from lib.techniques.odata.inject import odataScan
                odataScan()
                continue

            if conf.jwt:
                from lib.techniques.jwt.inject import jwtScan
                jwtScan()
                continue

            if conf.nullConnection:
                checkNullConnection()

            if (len(kb.injections) == 0 or (len(kb.injections) == 1 and kb.injections[0].place is None)) and (kb.injection.place is None or kb.injection.parameter is None):
                if not any((conf.string, conf.notString, conf.regexp)) and any(_ in conf.technique for _ in (PAYLOAD.TECHNIQUE.BOOLEAN, PAYLOAD.TECHNIQUE.UNION)):
                    # NOTE: besides the not-stable warning, this marks dynamic content for removal, which
                    # UNION column-count detection relies on too (it compares pages) - so it must run when
                    # UNION is tested even if BOOLEAN is excluded (e.g. '--technique=U' on a dynamic page)
                    checkStability()

                # Do a little prioritization reorder of a testable parameter list
                parameters = list(conf.parameters.keys())

                # Order of testing list (first to last)
                orderList = (PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER, PLACE.URI, PLACE.POST, PLACE.GET)

                for place in orderList[::-1]:
                    if place in parameters:
                        parameters.remove(place)
                        parameters.insert(0, place)

                proceed = True
                for place in parameters:
                    # Test User-Agent and Referer headers only if
                    # --level >= 3
                    skip = (place == PLACE.USER_AGENT and (kb.testOnlyCustom or conf.level < 3))
                    skip |= (place == PLACE.REFERER and (kb.testOnlyCustom or conf.level < 3))

                    # --param-filter
                    skip |= (len(conf.paramFilter) > 0 and place.upper() not in conf.paramFilter)

                    # Test Host header only if
                    # --level >= 5
                    skip |= (place == PLACE.HOST and (kb.testOnlyCustom or conf.level < 5))

                    # Test Cookie header only if --level >= 2
                    skip |= (place == PLACE.COOKIE and (kb.testOnlyCustom or conf.level < 2))

                    skip |= (place == PLACE.USER_AGENT and intersect(USER_AGENT_ALIASES, conf.skip, True) not in ([], None))
                    skip |= (place == PLACE.REFERER and intersect(REFERER_ALIASES, conf.skip, True) not in ([], None))
                    skip |= (place == PLACE.COOKIE and intersect(PLACE.COOKIE, conf.skip, True) not in ([], None))
                    skip |= (place == PLACE.HOST and intersect(PLACE.HOST, conf.skip, True) not in ([], None))

                    skip &= not (place == PLACE.USER_AGENT and intersect(USER_AGENT_ALIASES, conf.testParameter, True))
                    skip &= not (place == PLACE.REFERER and intersect(REFERER_ALIASES, conf.testParameter, True))
                    skip &= not (place == PLACE.HOST and intersect(HOST_ALIASES, conf.testParameter, True))
                    skip &= not (place == PLACE.COOKIE and intersect((PLACE.COOKIE,), conf.testParameter, True))

                    if skip:
                        continue

                    if place not in conf.paramDict or place not in conf.parameters:
                        continue

                    paramDict = conf.paramDict[place]

                    paramType = conf.method if conf.method not in (None, HTTPMETHOD.GET, HTTPMETHOD.POST) else place

                    for parameter, value in paramDict.items():
                        if not proceed:
                            break

                        kb.vainRun = False
                        testSqlInj = True
                        paramKey = (conf.hostname, conf.path, place, parameter)

                        if kb.processUserMarks:
                            if testSqlInj and place not in (PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER, PLACE.URI):
                                if kb.processNonCustom is None:
                                    message = "other non-custom parameters found. "
                                    message += "Do you want to process them too? [Y/n/q] "
                                    choice = readInput(message, default='Y').upper()

                                    if choice == 'Q':
                                        raise SqlmapUserQuitException
                                    else:
                                        kb.processNonCustom = choice == 'Y'

                                if not kb.processNonCustom:
                                    infoMsg = "skipping %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                                    logger.info(infoMsg)
                                    continue

                        if paramKey in kb.testedParams:
                            testSqlInj = False

                            infoMsg = "skipping previously processed %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                            logger.info(infoMsg)

                        elif any(_ in conf.testParameter for _ in (parameter, removePostHintPrefix(parameter))):
                            pass

                        elif parameter in conf.rParam:
                            testSqlInj = False

                            infoMsg = "skipping randomizing %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                            logger.info(infoMsg)

                        elif parameter in conf.skip or kb.postHint and parameter.split(' ')[-1] in conf.skip:
                            testSqlInj = False

                            infoMsg = "skipping %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                            logger.info(infoMsg)

                        elif conf.paramExclude and (re.search(conf.paramExclude, parameter, re.I) or kb.postHint and re.search(conf.paramExclude, parameter.split(' ')[-1], re.I) or re.search(conf.paramExclude, place, re.I)):
                            testSqlInj = False

                            infoMsg = "skipping %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                            logger.info(infoMsg)

                        elif conf.csrfToken and re.search(conf.csrfToken, parameter, re.I):
                            testSqlInj = False

                            infoMsg = "skipping anti-CSRF token parameter '%s'" % parameter
                            logger.info(infoMsg)

                        # Ignore session-like parameters for --level < 4
                        elif conf.level < 4 and (parameter.upper() in IGNORE_PARAMETERS or any(_ in parameter.lower() for _ in CSRF_TOKEN_PARAMETER_INFIXES) or re.search(GOOGLE_ANALYTICS_COOKIE_REGEX, parameter)):
                            testSqlInj = False

                            infoMsg = "ignoring %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                            logger.info(infoMsg)

                        elif PAYLOAD.TECHNIQUE.BOOLEAN in conf.technique or conf.skipStatic:
                            check = checkDynParam(place, parameter, value)

                            if not check:
                                warnMsg = "%sparameter '%s' does not appear to be dynamic" % ("%s " % paramType if paramType != parameter else "", parameter)
                                logger.warning(warnMsg)

                                if conf.skipStatic:
                                    infoMsg = "skipping static %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                                    logger.info(infoMsg)

                                    testSqlInj = False
                            else:
                                infoMsg = "%sparameter '%s' appears to be dynamic" % ("%s " % paramType if paramType != parameter else "", parameter)
                                logger.info(infoMsg)

                        kb.testedParams.add(paramKey)

                        if testSqlInj:
                            try:
                                if place == PLACE.COOKIE:
                                    pushValue(kb.mergeCookies)
                                    kb.mergeCookies = False

                                check = heuristicCheckSqlInjection(place, parameter)

                                if check != HEURISTIC_TEST.POSITIVE:
                                    if conf.smart or (kb.ignoreCasted and check == HEURISTIC_TEST.CASTED):
                                        infoMsg = "skipping %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                                        logger.info(infoMsg)
                                        continue

                                infoMsg = "testing for SQL injection on %sparameter '%s'" % ("%s " % paramType if paramType != parameter else "", parameter)
                                logger.info(infoMsg)

                                injection = checkSqlInjection(place, parameter, value)

                                # WAF/IPS bypass accepted: the parameter looks injectable (heuristics) but
                                # the standard payloads were blocked -> try to auto-bypass it (request
                                # fingerprint neutralization and/or a tamper script)
                                if getattr(injection, "place", None) is None and kb.wafBypass and check == HEURISTIC_TEST.POSITIVE \
                                   and not conf.tamper and not kb.tamperFunctions:
                                    injection = _autoWafBypass(place, parameter, value) or injection

                                proceed = not kb.endDetection
                                injectable = False

                                if getattr(injection, "place", None) is not None:
                                    if NOTE.FALSE_POSITIVE_OR_UNEXPLOITABLE in injection.notes:
                                        kb.falsePositives.append(injection)
                                    else:
                                        injectable = True

                                        kb.injections.append(injection)

                                        if not kb.alerted:
                                            if conf.alert:
                                                infoMsg = "executing alerting shell command(s) ('%s')" % conf.alert
                                                logger.info(infoMsg)
                                                try:
                                                    process = subprocess.Popen(conf.alert, shell=True)
                                                    process.wait()
                                                except Exception as ex:
                                                    errMsg = "error occurred while executing '%s' ('%s')" % (conf.alert, getSafeExString(ex))
                                                    logger.error(errMsg)

                                            kb.alerted = True

                                        # In case when user wants to end detection phase (Ctrl+C)
                                        if not proceed:
                                            break

                                        msg = "%sparameter '%s' " % ("%s " % injection.place if injection.place != injection.parameter else "", injection.parameter)
                                        msg += "is vulnerable. Do you want to keep testing the others (if any)? [y/N] "

                                        if not readInput(msg, default='N', boolean=True):
                                            proceed = False
                                            paramKey = (conf.hostname, conf.path, None, None)
                                            kb.testedParams.add(paramKey)

                                if not injectable:
                                    warnMsg = "%sparameter '%s' does not seem to be injectable" % ("%s " % paramType if paramType != parameter else "", parameter)
                                    logger.warning(warnMsg)

                            finally:
                                if place == PLACE.COOKIE:
                                    kb.mergeCookies = popValue()

            if len(kb.injections) == 0 or (len(kb.injections) == 1 and kb.injections[0].place is None):
                if kb.vainRun and not conf.multipleTargets:
                    errMsg = "no parameter(s) found for testing in the provided data "
                    errMsg += "(e.g. GET parameter 'id' in 'www.site.com/index.php?id=1')"
                    if kb.originalPage:
                        advice = []
                        if not conf.forms and re.search(r"<form", kb.originalPage) is not None:
                            advice.append("--forms")
                        if not conf.crawlDepth and re.search(r"href=[\"']/?\w", kb.originalPage) is not None:
                            advice.append("--crawl=2")
                        if advice:
                            errMsg += ". You are advised to rerun with '%s'" % ' '.join(advice)
                    raise SqlmapNoneDataException(errMsg)
                else:
                    errMsg = "all tested parameters do not appear to be injectable."

                    if conf.level < 5 or conf.risk < 3:
                        errMsg += " Try to increase values for '--level'/'--risk' options "
                        errMsg += "if you wish to perform more tests."

                    if isinstance(conf.technique, list) and len(conf.technique) < 5:
                        errMsg += " Rerun without providing the option '--technique'."

                    if not conf.textOnly and kb.originalPage:
                        percent = (100.0 * len(getFilteredPageContent(kb.originalPage)) / len(kb.originalPage))

                        if kb.dynamicMarkings:
                            errMsg += " You can give it a go with the switch '--text-only' "
                            errMsg += "if the target page has a low percentage "
                            errMsg += "of textual content (~%.2f%% of " % percent
                            errMsg += "page content is text)."
                        elif percent < LOW_TEXT_PERCENT and not kb.errorIsNone:
                            errMsg += " Please retry with the switch '--text-only' "
                            errMsg += "(along with --technique=BU) as this case "
                            errMsg += "looks like a perfect candidate "
                            errMsg += "(low textual content along with inability "
                            errMsg += "of comparison engine to detect at least "
                            errMsg += "one dynamic parameter)."

                    if kb.heuristicTest == HEURISTIC_TEST.POSITIVE:
                        errMsg += " As heuristic test turned out positive you are "
                        errMsg += "strongly advised to continue on with the tests."

                    if conf.string:
                        errMsg += " Also, you can try to rerun by providing a "
                        errMsg += "valid value for option '--string' as perhaps the string you "
                        errMsg += "have chosen does not match "
                        errMsg += "exclusively True responses."
                    elif conf.regexp:
                        errMsg += " Also, you can try to rerun by providing a "
                        errMsg += "valid value for option '--regexp' as perhaps the regular "
                        errMsg += "expression that you have chosen "
                        errMsg += "does not match exclusively True responses."

                    if not conf.tamper:
                        if kb.identifiedWafs:
                            errMsg += " As a WAF/IPS ('%s') was identified during the run, " % ", ".join(kb.identifiedWafs)
                            errMsg += "you are strongly advised to retry with option '--tamper' (e.g. '--tamper=space2comment')"
                        else:
                            errMsg += " If you suspect that there is some kind of protection mechanism "
                            errMsg += "involved (e.g. WAF) maybe you could try to use "
                            errMsg += "option '--tamper' (e.g. '--tamper=space2comment')"

                        if not conf.randomAgent:
                            errMsg += " and/or switch '--random-agent'"

                    raise SqlmapNotVulnerableException(errMsg.rstrip('.'))
            else:
                # Flush the flag
                kb.testMode = False

                _saveToResultsFile()
                _saveToHashDB()
                _showInjections()
                _selectInjection()

            if kb.injection.place is not None and kb.injection.parameter is not None:
                if conf.multipleTargets:
                    message = "do you want to exploit this SQL injection? [Y/n] "
                    condition = readInput(message, default='Y', boolean=True)
                else:
                    condition = True

                if condition:
                    try:
                        action()
                    finally:
                        if conf.proof:
                            from lib.utils.prove import proveExploitation
                            proveExploitation()

        except KeyboardInterrupt:
            if kb.lastCtrlCTime and (time.time() - kb.lastCtrlCTime < 1):
                kb.multipleCtrlC = True
                raise SqlmapUserQuitException("user aborted (Ctrl+C was pressed multiple times)")

            kb.lastCtrlCTime = time.time()

            if conf.multipleTargets:
                warnMsg = "user aborted in multiple target mode"
                logger.warning(warnMsg)

                message = "do you want to skip to the next target in list? [Y/n/q]"
                choice = readInput(message, default='Y').upper()

                if choice == 'N':
                    return False
                elif choice == 'Q':
                    raise SqlmapUserQuitException
            else:
                raise

        except SqlmapSkipTargetException:
            pass

        except SqlmapUserQuitException:
            raise

        except SqlmapSilentQuitException:
            raise

        except SqlmapBaseException as ex:
            errMsg = getSafeExString(ex)

            if conf.multipleTargets:
                _saveToResultsFile()

                errMsg += ", skipping to the next target"
                logger.error(errMsg.lstrip(", "))
            else:
                logger.critical(errMsg)
                return False

        finally:
            showHttpErrorCodes()

            if kb.maxConnectionsFlag:
                warnMsg = "it appears that the target "
                warnMsg += "has a maximum connections "
                warnMsg += "constraint"
                logger.warning(warnMsg)

    if kb.dataOutputFlag and not conf.multipleTargets:
        logger.info("fetched data logged to text files under '%s'" % conf.outputPath)

    if conf.multipleTargets:
        if conf.resultsFile:
            infoMsg = "you can find results of scanning in multiple targets "
            infoMsg += "mode inside the CSV file '%s'" % conf.resultsFile
            logger.info(infoMsg)

    return True