def goError(expression, suppressOutput=False, returnPayload=False): """ Retrieve the output of a SQL query taking advantage of an error-based SQL injection vulnerability on the affected parameter. """ result = None if suppressOutput: pushValue(conf.verbose) conf.verbose = 0 if conf.direct: return direct(expression), None condition = ( kb.resumedQueries and conf.url in kb.resumedQueries.keys() and expression in kb.resumedQueries[conf.url].keys() ) if condition: result = resume(expression, None) if not result: result = errorUse(expression, returnPayload) if not returnPayload: dataToSessionFile("[%s][%s][%s][%s][%s]\n" % (conf.url, kb.injPlace, conf.parameters[kb.injPlace], expression, replaceNewlineTabs(result))) if suppressOutput: conf.verbose = popValue() return result
def __goError(expression, expected=None, dump=False): """ Retrieve the output of a SQL query taking advantage of an error-based SQL injection vulnerability on the affected parameter. """ output = errorUse(expression, expected, dump) return output
def __goError(expression, expected=None, resumeValue=True, dump=False): """ Retrieve the output of a SQL query taking advantage of an error-based SQL injection vulnerability on the affected parameter. """ output = None if resumeValue: output = resume(expression, None) if output and expected == EXPECTED.INT and not output.isdigit(): output = None if output is None: output = errorUse(expression, expected, resumeValue, dump) return output
def __goError(expression, expected=None, resumeValue=True, dump=False): """ Retrieve the output of a SQL query taking advantage of an error-based SQL injection vulnerability on the affected parameter. """ output = None if resumeValue: output = resume(expression, None) if output and expected == EXPECTED.INT and not output.isdigit(): output = None if output is None: output = errorUse(expression, expected, resumeValue, dump) return output
def getValue(expression, blind=True, union=True, error=True, time=True, fromUser=False, expected=None, batch=False, unpack=True, resumeValue=True, charsetType=None, firstChar=None, lastChar=None, dump=False, suppressOutput=None, expectingNone=False, safeCharEncode=True): """ Called each time sqlmap inject a SQL query on the SQL injection affected parameter. """ if conf.hexConvert: charsetType = CHARSET_TYPE.HEXADECIMAL kb.safeCharEncode = safeCharEncode kb.resumeValues = resumeValue if suppressOutput is not None: pushValue(getCurrentThreadData().disableStdOut) getCurrentThreadData().disableStdOut = suppressOutput try: pushValue(conf.db) pushValue(conf.tbl) if expected == EXPECTED.BOOL: forgeCaseExpression = booleanExpression = expression if expression.upper().startswith("SELECT "): booleanExpression = "(%s)=%s" % (booleanExpression, "'1'" if "'1'" in booleanExpression else "1") else: forgeCaseExpression = agent.forgeCaseStatement(expression) if conf.direct: value = direct(forgeCaseExpression if expected == EXPECTED.BOOL else expression) elif any(isTechniqueAvailable(_) for _ in getPublicTypeMembers(PAYLOAD.TECHNIQUE, onlyValues=True)): query = cleanQuery(expression) query = expandAsteriskForColumns(query) value = None found = False count = 0 if query and not re.search(r"COUNT.*FROM.*\(.*DISTINCT", query, re.I): query = query.replace("DISTINCT ", "") if not conf.forceDns: if union and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION): kb.technique = PAYLOAD.TECHNIQUE.UNION kb.forcePartialUnion = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector[8] fallback = not expected and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.ORIGINAL and not kb.forcePartialUnion try: value = _goUnion(forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump) except SqlmapConnectionException: if not fallback: raise count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if not found and fallback: warnMsg = "something went wrong with full UNION " warnMsg += "technique (could be because of " warnMsg += "limitation on retrieved number of entries)" if " FROM " in query.upper(): warnMsg += ". Falling back to partial UNION technique" singleTimeWarnMessage(warnMsg) try: pushValue(kb.forcePartialUnion) kb.forcePartialUnion = True value = _goUnion(query, unpack, dump) found = (value is not None) or (value is None and expectingNone) finally: kb.forcePartialUnion = popValue() else: singleTimeWarnMessage(warnMsg) if error and any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) and not found: kb.technique = PAYLOAD.TECHNIQUE.ERROR if isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) else PAYLOAD.TECHNIQUE.QUERY value = errorUse(forgeCaseExpression if expected == EXPECTED.BOOL else query, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if found and conf.dnsDomain: _ = "".join(filter(None, (key if isTechniqueAvailable(value) else None for key, value in {"E": PAYLOAD.TECHNIQUE.ERROR, "Q": PAYLOAD.TECHNIQUE.QUERY, "U": PAYLOAD.TECHNIQUE.UNION}.items()))) warnMsg = "option '--dns-domain' will be ignored " warnMsg += "as faster techniques are usable " warnMsg += "(%s) " % _ singleTimeWarnMessage(warnMsg) if blind and isTechniqueAvailable(PAYLOAD.TECHNIQUE.BOOLEAN) and not found: kb.technique = PAYLOAD.TECHNIQUE.BOOLEAN if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if time and (isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED)) and not found: kb.responseTimeMode = re.sub(r"(?i)[^a-z]", "", re.sub(r"'[^']+'", "", re.sub(r"(?i)(\w+)\(.+\)", r"\g<1>", expression))) if re.search(r"(?i)SELECT.+FROM", expression) else None if isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME): kb.technique = PAYLOAD.TECHNIQUE.TIME else: kb.technique = PAYLOAD.TECHNIQUE.STACKED if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) else: errMsg = "none of the injection types identified can be " errMsg += "leveraged to retrieve queries output" raise SqlmapNotVulnerableException(errMsg) finally: kb.resumeValues = True kb.responseTimeMode = None conf.tbl = popValue() conf.db = popValue() if suppressOutput is not None: getCurrentThreadData().disableStdOut = popValue() kb.safeCharEncode = False if not any((kb.testMode, conf.dummy, conf.offline)) and value is None and Backend.getDbms() and conf.dbmsHandler and not conf.noCast and not conf.hexConvert: warnMsg = "in case of continuous data retrieval problems you are advised to try " warnMsg += "a switch '--no-cast' " warnMsg += "or switch '--hex'" if Backend.getIdentifiedDbms() not in (DBMS.ACCESS, DBMS.FIREBIRD) else "" singleTimeWarnMessage(warnMsg) return extractExpectedValue(value, expected)
def getValue(expression, blind=True, union=True, error=True, time=True, fromUser=False, expected=None, batch=False, unpack=True, resumeValue=True, charsetType=None, firstChar=None, lastChar=None, dump=False, suppressOutput=None, expectingNone=False, safeCharEncode=True): """ Called each time sqlmap inject a SQL query on the SQL injection affected parameter. """ if conf.hexConvert: charsetType = CHARSET_TYPE.HEXADECIMAL kb.safeCharEncode = safeCharEncode kb.resumeValues = resumeValue if suppressOutput is not None: pushValue(getCurrentThreadData().disableStdOut) getCurrentThreadData().disableStdOut = suppressOutput try: if expected == EXPECTED.BOOL: forgeCaseExpression = booleanExpression = expression if expression.upper().startswith("SELECT "): booleanExpression = "(%s)=%s" % (booleanExpression, "'1'" if "'1'" in booleanExpression else "1") else: forgeCaseExpression = agent.forgeCaseStatement(expression) if conf.direct: value = direct(forgeCaseExpression if expected == EXPECTED.BOOL else expression) elif any(map(isTechniqueAvailable, getPublicTypeMembers(PAYLOAD.TECHNIQUE, onlyValues=True))): query = cleanQuery(expression) query = expandAsteriskForColumns(query) value = None found = False count = 0 if query and not re.search(r"COUNT.*FROM.*\(.*DISTINCT", query, re.I): query = query.replace("DISTINCT ", "") if not conf.forceDns: if union and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION): kb.technique = PAYLOAD.TECHNIQUE.UNION value = _goUnion(forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if error and any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) and not found: kb.technique = PAYLOAD.TECHNIQUE.ERROR if isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) else PAYLOAD.TECHNIQUE.QUERY value = errorUse(forgeCaseExpression if expected == EXPECTED.BOOL else query, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if found and conf.dnsName: _ = "".join(filter(None, (key if isTechniqueAvailable(value) else None for key, value in {"E": PAYLOAD.TECHNIQUE.ERROR, "Q": PAYLOAD.TECHNIQUE.QUERY, "U": PAYLOAD.TECHNIQUE.UNION}.items()))) warnMsg = "option '--dns-domain' will be ignored " warnMsg += "as faster techniques are usable " warnMsg += "(%s) " % _ singleTimeWarnMessage(warnMsg) if blind and isTechniqueAvailable(PAYLOAD.TECHNIQUE.BOOLEAN) and not found: kb.technique = PAYLOAD.TECHNIQUE.BOOLEAN if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if time and (isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED)) and not found: if isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME): kb.technique = PAYLOAD.TECHNIQUE.TIME else: kb.technique = PAYLOAD.TECHNIQUE.STACKED if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) else: errMsg = "none of the injection types identified can be " errMsg += "leveraged to retrieve queries output" raise SqlmapNotVulnerableException(errMsg) finally: kb.resumeValues = True if suppressOutput is not None: getCurrentThreadData().disableStdOut = popValue() kb.safeCharEncode = False if not kb.testMode and value is None and Backend.getDbms() and conf.dbmsHandler: warnMsg = "in case of continuous data retrieval problems you are advised to try " warnMsg += "a switch '--no-cast' or switch '--hex'" singleTimeWarnMessage(warnMsg) return extractExpectedValue(value, expected)
def getValue(expression, blind=True, union=True, error=True, time=True, fromUser=False, expected=None, batch=False, unpack=True, resumeValue=True, charsetType=None, firstChar=None, lastChar=None, dump=False, suppressOutput=None, expectingNone=False, safeCharEncode=True): """ Called each time sqlmap inject a SQL query on the SQL injection affected parameter. """ if conf.hexConvert: charsetType = CHARSET_TYPE.HEXADECIMAL kb.safeCharEncode = safeCharEncode kb.resumeValues = resumeValue if suppressOutput is not None: pushValue(getCurrentThreadData().disableStdOut) getCurrentThreadData().disableStdOut = suppressOutput try: if expected == EXPECTED.BOOL: forgeCaseExpression = booleanExpression = expression if expression.upper().startswith("SELECT "): booleanExpression = expression[len("SELECT "):] if re.search(r"(?i)\(.+\)\Z", booleanExpression): booleanExpression = "%s=%s" % ( booleanExpression, "'1'" if "'1'" in booleanExpression else '1') else: forgeCaseExpression = agent.forgeCaseStatement(expression) if conf.direct: value = direct(forgeCaseExpression if expected == EXPECTED.BOOL else expression) elif any( map(isTechniqueAvailable, getPublicTypeMembers(PAYLOAD.TECHNIQUE, onlyValues=True))): query = cleanQuery(expression) query = expandAsteriskForColumns(query) value = None found = False count = 0 if query and not 'COUNT(*)' in query: query = query.replace("DISTINCT ", "") if not conf.forceDns: if union and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION): kb.technique = PAYLOAD.TECHNIQUE.UNION value = __goUnion( forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if error and isTechniqueAvailable( PAYLOAD.TECHNIQUE.ERROR) and not found: kb.technique = PAYLOAD.TECHNIQUE.ERROR value = errorUse( forgeCaseExpression if expected == EXPECTED.BOOL else query, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if found and conf.dnsName: _ = "".join( filter(None, (key if isTechniqueAvailable(value) else None for key, value in { "E": PAYLOAD.TECHNIQUE.ERROR, "U": PAYLOAD.TECHNIQUE.UNION }.items()))) warnMsg = "option '--dns-domain' will be ignored " warnMsg += "as faster techniques are usable " warnMsg += "(%s) " % _ singleTimeWarnMessage(warnMsg) if blind and isTechniqueAvailable( PAYLOAD.TECHNIQUE.BOOLEAN) and not found: kb.technique = PAYLOAD.TECHNIQUE.BOOLEAN if expected == EXPECTED.BOOL: value = __goBooleanProxy(booleanExpression) else: value = __goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if time and (isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME) or isTechniqueAvailable( PAYLOAD.TECHNIQUE.STACKED)) and not found: if isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME): kb.technique = PAYLOAD.TECHNIQUE.TIME else: kb.technique = PAYLOAD.TECHNIQUE.STACKED if expected == EXPECTED.BOOL: value = __goBooleanProxy(booleanExpression) else: value = __goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) if value and isinstance(value, basestring): value = value.strip() if value.strip() else value[:1] else: errMsg = "none of the injection types identified can be " errMsg += "leveraged to retrieve queries output" raise sqlmapNotVulnerableException, errMsg finally: kb.resumeValues = True if suppressOutput is not None: getCurrentThreadData().disableStdOut = popValue() kb.safeCharEncode = False if not kb.testMode and value is None and Backend.getDbms( ) and conf.dbmsHandler: warnMsg = "in case of continuous data retrieval problems you are advised to try " warnMsg += "a switch '--no-cast' and/or switch '--hex'" singleTimeWarnMessage(warnMsg) return extractExpectedValue(value, expected)
def getValue(expression, blind=True, union=True, error=True, time=True, fromUser=False, expected=None, batch=False, unpack=True, resumeValue=True, charsetType=None, firstChar=None, lastChar=None, dump=False, suppressOutput=None, expectingNone=False, safeCharEncode=True): """ Called each time sqlmap inject a SQL query on the SQL injection affected parameter. """ if conf.hexConvert and expected != EXPECTED.BOOL and Backend.getIdentifiedDbms( ): if not hasattr(queries[Backend.getIdentifiedDbms()], "hex"): warnMsg = "switch '--hex' is currently not supported on DBMS %s" % Backend.getIdentifiedDbms( ) singleTimeWarnMessage(warnMsg) conf.hexConvert = False else: charsetType = CHARSET_TYPE.HEXADECIMAL kb.safeCharEncode = safeCharEncode kb.resumeValues = resumeValue for keyword in GET_VALUE_UPPERCASE_KEYWORDS: expression = re.sub(r"(?i)(\A|\(|\)|\s)%s(\Z|\(|\)|\s)" % keyword, r"\g<1>%s\g<2>" % keyword, expression) if suppressOutput is not None: pushValue(getCurrentThreadData().disableStdOut) getCurrentThreadData().disableStdOut = suppressOutput try: pushValue(conf.db) pushValue(conf.tbl) if expected == EXPECTED.BOOL: forgeCaseExpression = booleanExpression = expression if expression.startswith("SELECT "): booleanExpression = "(%s)=%s" % (booleanExpression, "'1'" if "'1'" in booleanExpression else "1") else: forgeCaseExpression = agent.forgeCaseStatement(expression) if conf.direct: value = direct(forgeCaseExpression if expected == EXPECTED.BOOL else expression) elif any( isTechniqueAvailable(_) for _ in getPublicTypeMembers(PAYLOAD.TECHNIQUE, onlyValues=True)): query = cleanQuery(expression) query = expandAsteriskForColumns(query) value = None found = False count = 0 if query and not re.search(r"COUNT.*FROM.*\(.*DISTINCT", query, re.I): query = query.replace("DISTINCT ", "") if not conf.forceDns: if union and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION): setTechnique(PAYLOAD.TECHNIQUE.UNION) kb.forcePartialUnion = kb.injection.data[ PAYLOAD.TECHNIQUE.UNION].vector[8] fallback = not expected and kb.injection.data[ PAYLOAD.TECHNIQUE. UNION].where == PAYLOAD.WHERE.ORIGINAL and not kb.forcePartialUnion try: value = _goUnion( forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump) except SqlmapConnectionException: if not fallback: raise count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if not found and fallback: warnMsg = "something went wrong with full UNION " warnMsg += "technique (could be because of " warnMsg += "limitation on retrieved number of entries)" if " FROM " in query.upper(): warnMsg += ". Falling back to partial UNION technique" singleTimeWarnMessage(warnMsg) try: pushValue(kb.forcePartialUnion) kb.forcePartialUnion = True value = _goUnion(query, unpack, dump) found = (value is not None) or (value is None and expectingNone) finally: kb.forcePartialUnion = popValue() else: singleTimeWarnMessage(warnMsg) if error and any( isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) and not found: setTechnique(PAYLOAD.TECHNIQUE.ERROR if isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) else PAYLOAD.TECHNIQUE.QUERY) value = errorUse( forgeCaseExpression if expected == EXPECTED.BOOL else query, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if found and conf.dnsDomain: _ = "".join( filterNone( key if isTechniqueAvailable(value) else None for key, value in { 'E': PAYLOAD.TECHNIQUE.ERROR, 'Q': PAYLOAD.TECHNIQUE.QUERY, 'U': PAYLOAD.TECHNIQUE.UNION }.items())) warnMsg = "option '--dns-domain' will be ignored " warnMsg += "as faster techniques are usable " warnMsg += "(%s) " % _ singleTimeWarnMessage(warnMsg) if blind and isTechniqueAvailable( PAYLOAD.TECHNIQUE.BOOLEAN) and not found: setTechnique(PAYLOAD.TECHNIQUE.BOOLEAN) if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if time and (isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME) or isTechniqueAvailable( PAYLOAD.TECHNIQUE.STACKED)) and not found: match = re.search(r"\bFROM\b ([^ ]+).+ORDER BY ([^ ]+)", expression) kb.responseTimeMode = "%s|%s" % ( match.group(1), match.group(2)) if match else None if isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME): setTechnique(PAYLOAD.TECHNIQUE.TIME) else: setTechnique(PAYLOAD.TECHNIQUE.STACKED) if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) else: errMsg = "none of the injection types identified can be " errMsg += "leveraged to retrieve queries output" raise SqlmapNotVulnerableException(errMsg) finally: kb.resumeValues = True kb.responseTimeMode = None conf.tbl = popValue() conf.db = popValue() if suppressOutput is not None: getCurrentThreadData().disableStdOut = popValue() kb.safeCharEncode = False if not any( (kb.testMode, conf.dummy, conf.offline)) and value is None and Backend.getDbms( ) and conf.dbmsHandler and not conf.noCast and not conf.hexConvert: warnMsg = "in case of continuous data retrieval problems you are advised to try " warnMsg += "a switch '--no-cast' " warnMsg += "or switch '--hex'" if Backend.getIdentifiedDbms() not in ( DBMS.ACCESS, DBMS.FIREBIRD) else "" singleTimeWarnMessage(warnMsg) # Dirty patch (safe-encoded unicode characters) if isinstance(value, six.text_type) and "\\x" in value: try: candidate = eval( repr(value).replace("\\\\x", "\\x").replace( "u'", "'", 1)).decode(conf.encoding or UNICODE_ENCODING) if "\\x" not in candidate: value = candidate except: pass return extractExpectedValue(value, expected)
def getValue(expression, blind=True, union=True, error=True, time=True, fromUser=False, expected=None, batch=False, unpack=True, resumeValue=True, charsetType=None, firstChar=None, lastChar=None, dump=False, suppressOutput=None, expectingNone=False, safeCharEncode=True): """ Called each time sqlmap inject a SQL query on the SQL injection affected parameter. """ if conf.hexConvert: charsetType = CHARSET_TYPE.HEXADECIMAL kb.safeCharEncode = safeCharEncode kb.resumeValues = resumeValue if suppressOutput is not None: pushValue(getCurrentThreadData().disableStdOut) getCurrentThreadData().disableStdOut = suppressOutput try: pushValue(conf.db) pushValue(conf.tbl) if expected == EXPECTED.BOOL: forgeCaseExpression = booleanExpression = expression if expression.upper().startswith("SELECT "): booleanExpression = "(%s)=%s" % (booleanExpression, "'1'" if "'1'" in booleanExpression else "1") else: forgeCaseExpression = agent.forgeCaseStatement(expression) if conf.direct: value = direct(forgeCaseExpression if expected == EXPECTED.BOOL else expression) elif any( map(isTechniqueAvailable, getPublicTypeMembers(PAYLOAD.TECHNIQUE, onlyValues=True))): query = cleanQuery(expression) query = expandAsteriskForColumns(query) value = None found = False count = 0 if query and not re.search(r"COUNT.*FROM.*\(.*DISTINCT", query, re.I): query = query.replace("DISTINCT ", "") if not conf.forceDns: if union and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION): kb.technique = PAYLOAD.TECHNIQUE.UNION kb.forcePartialUnion = kb.injection.data[ PAYLOAD.TECHNIQUE.UNION].vector[8] fallback = not expected and kb.injection.data[ PAYLOAD.TECHNIQUE. UNION].where == PAYLOAD.WHERE.ORIGINAL and not kb.forcePartialUnion try: value = _goUnion( forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump) except SqlmapConnectionException: if not fallback: raise count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if not found and fallback: warnMsg = "something went wrong with full UNION " warnMsg += "technique (could be because of " warnMsg += "limitation on retrieved number of entries)" if " FROM " in query.upper(): warnMsg += ". Falling back to partial UNION technique" singleTimeWarnMessage(warnMsg) try: pushValue(kb.forcePartialUnion) kb.forcePartialUnion = True value = _goUnion(query, unpack, dump) found = (value is not None) or (value is None and expectingNone) finally: kb.forcePartialUnion = popValue() else: singleTimeWarnMessage(warnMsg) if error and any( isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) and not found: kb.technique = PAYLOAD.TECHNIQUE.ERROR if isTechniqueAvailable( PAYLOAD.TECHNIQUE.ERROR) else PAYLOAD.TECHNIQUE.QUERY value = errorUse( forgeCaseExpression if expected == EXPECTED.BOOL else query, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if found and conf.dnsName: _ = "".join( filter(None, (key if isTechniqueAvailable(value) else None for key, value in { "E": PAYLOAD.TECHNIQUE.ERROR, "Q": PAYLOAD.TECHNIQUE.QUERY, "U": PAYLOAD.TECHNIQUE.UNION }.items()))) warnMsg = "option '--dns-domain' will be ignored " warnMsg += "as faster techniques are usable " warnMsg += "(%s) " % _ singleTimeWarnMessage(warnMsg) if blind and isTechniqueAvailable( PAYLOAD.TECHNIQUE.BOOLEAN) and not found: kb.technique = PAYLOAD.TECHNIQUE.BOOLEAN if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if time and (isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME) or isTechniqueAvailable( PAYLOAD.TECHNIQUE.STACKED)) and not found: if isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME): kb.technique = PAYLOAD.TECHNIQUE.TIME else: kb.technique = PAYLOAD.TECHNIQUE.STACKED if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) else: errMsg = "none of the injection types identified can be " errMsg += "leveraged to retrieve queries output" raise SqlmapNotVulnerableException(errMsg) finally: kb.resumeValues = True conf.tbl = popValue() conf.db = popValue() if suppressOutput is not None: getCurrentThreadData().disableStdOut = popValue() kb.safeCharEncode = False if not any( (kb.testMode, conf.dummy, conf.offline)) and value is None and Backend.getDbms( ) and conf.dbmsHandler and not conf.noCast and not conf.hexConvert: warnMsg = "in case of continuous data retrieval problems you are advised to try " warnMsg += "a switch '--no-cast' " warnMsg += "or switch '--hex'" if Backend.getIdentifiedDbms() not in ( DBMS.ACCESS, DBMS.FIREBIRD) else "" singleTimeWarnMessage(warnMsg) return extractExpectedValue(value, expected)
def getValue(expression, blind=True, inband=True, error=True, time=True, fromUser=False, expected=None, batch=False, unpack=True, resumeValue=True, charsetType=None, firstChar=None, lastChar=None, dump=False, suppressOutput=None, expectingNone=False, safeCharEncode=True): """ 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). """ kb.safeCharEncode = safeCharEncode kb.resumeValues = resumeValue if suppressOutput is not None: pushValue(getCurrentThreadData().disableStdOut) getCurrentThreadData().disableStdOut = suppressOutput try: if expected == EXPECTED.BOOL: forgeCaseExpression = booleanExpression = expression if expression.upper().startswith("SELECT "): booleanExpression = expression[len("SELECT "):] else: forgeCaseExpression = agent.forgeCaseStatement(expression) if conf.direct: value = direct(forgeCaseExpression if expected == EXPECTED.BOOL else expression) elif any(map(isTechniqueAvailable, getPublicTypeMembers(PAYLOAD.TECHNIQUE, onlyValues=True))): query = cleanQuery(expression) query = expandAsteriskForColumns(query) value = None found = False count = 0 if query and not 'COUNT(*)' in query: query = query.replace("DISTINCT ", "") if inband and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION): kb.technique = PAYLOAD.TECHNIQUE.UNION value = __goInband(forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if error and isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) and not found: kb.technique = PAYLOAD.TECHNIQUE.ERROR value = errorUse(forgeCaseExpression if expected == EXPECTED.BOOL else query, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if blind and isTechniqueAvailable(PAYLOAD.TECHNIQUE.BOOLEAN) and not found: kb.technique = PAYLOAD.TECHNIQUE.BOOLEAN if expected == EXPECTED.BOOL: value = __goBooleanProxy(booleanExpression) else: value = __goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) count += 1 found = (value is not None) or (value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if time and (isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED)) and not found: if isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME): kb.technique = PAYLOAD.TECHNIQUE.TIME else: kb.technique = PAYLOAD.TECHNIQUE.STACKED if expected == EXPECTED.BOOL: value = __goBooleanProxy(booleanExpression) else: value = __goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) if value and isinstance(value, basestring): value = value.strip() else: errMsg = "none of the injection types identified can be " errMsg += "leveraged to retrieve queries output" raise sqlmapNotVulnerableException, errMsg finally: kb.resumeValues = True if suppressOutput is not None: getCurrentThreadData().disableStdOut = popValue() kb.safeCharEncode = False if not kb.testMode and value is None and Backend.getDbms() and conf.dbmsHandler: warnMsg = "in case of continuous data retrieval problems you are advised to try " warnMsg += "a switch '--no-cast' and/or switch '--hex'" singleTimeWarnMessage(warnMsg) return extractExpectedValue(value, expected)
def getValue(expression, blind=True, union=True, error=True, time=True, fromUser=False, expected=None, batch=False, unpack=True, resumeValue=True, charsetType=None, firstChar=None, lastChar=None, dump=False, suppressOutput=None, expectingNone=False, safeCharEncode=True): """ sqlmap每次在受影响的参数上注入SQL查询时调用。 """ # 转为十六进制 if conf.hexConvert: charsetType = CHARSET_TYPE.HEXADECIMAL kb.safeCharEncode = safeCharEncode kb.resumeValues = resumeValue # keyword中是否存在("SELECT", "FROM", "WHERE", "DISTINCT", "COUNT")关键字 for keyword in GET_VALUE_UPPERCASE_KEYWORDS: expression = re.sub("(?i)(\A|\(|\)|\s)%s(\Z|\(|\)|\s)" % keyword, r"\g<1>%s\g<2>" % keyword, expression) if suppressOutput is not None: pushValue(getCurrentThreadData().disableStdOut) getCurrentThreadData().disableStdOut = suppressOutput try: pushValue(conf.db) pushValue(conf.tbl) if expected == EXPECTED.BOOL: forgeCaseExpression = booleanExpression = expression if expression.startswith("SELECT "): booleanExpression = "(%s)=%s" % (booleanExpression, "'1'" if "'1'" in booleanExpression else "1") else: forgeCaseExpression = agent.forgeCaseStatement(expression) if conf.direct: value = direct(forgeCaseExpression if expected == EXPECTED.BOOL else expression) elif any( isTechniqueAvailable(_) for _ in getPublicTypeMembers(PAYLOAD.TECHNIQUE, onlyValues=True)): query = cleanQuery(expression) query = expandAsteriskForColumns(query) value = None found = False count = 0 if query and not re.search(r"COUNT.*FROM.*\(.*DISTINCT", query, re.I): query = query.replace("DISTINCT ", "") if not conf.forceDns: if union and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION): kb.technique = PAYLOAD.TECHNIQUE.UNION kb.forcePartialUnion = kb.injection.data[ PAYLOAD.TECHNIQUE.UNION].vector[8] fallback = not expected and kb.injection.data[ PAYLOAD.TECHNIQUE. UNION].where == PAYLOAD.WHERE.ORIGINAL and not kb.forcePartialUnion try: value = _goUnion( forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump) except SqlmapConnectionException: if not fallback: raise count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if not found and fallback: warnMsg = "something went wrong with full UNION " warnMsg += "technique (could be because of " warnMsg += "limitation on retrieved number of entries)" if " FROM " in query.upper(): warnMsg += ". Falling back to partial UNION technique" singleTimeWarnMessage(warnMsg) try: pushValue(kb.forcePartialUnion) kb.forcePartialUnion = True value = _goUnion(query, unpack, dump) found = (value is not None) or (value is None and expectingNone) finally: kb.forcePartialUnion = popValue() else: singleTimeWarnMessage(warnMsg) if error and any( isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) and not found: kb.technique = PAYLOAD.TECHNIQUE.ERROR if isTechniqueAvailable( PAYLOAD.TECHNIQUE.ERROR) else PAYLOAD.TECHNIQUE.QUERY value = errorUse( forgeCaseExpression if expected == EXPECTED.BOOL else query, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if found and conf.dnsDomain: _ = "".join( filter(None, (key if isTechniqueAvailable(value) else None for key, value in { 'E': PAYLOAD.TECHNIQUE.ERROR, 'Q': PAYLOAD.TECHNIQUE.QUERY, 'U': PAYLOAD.TECHNIQUE.UNION }.items()))) warnMsg = "option '--dns-domain' will be ignored " warnMsg += "as faster techniques are usable " warnMsg += "(%s) " % _ singleTimeWarnMessage(warnMsg) if blind and isTechniqueAvailable( PAYLOAD.TECHNIQUE.BOOLEAN) and not found: kb.technique = PAYLOAD.TECHNIQUE.BOOLEAN if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) count += 1 found = (value is not None) or ( value is None and expectingNone) or count >= MAX_TECHNIQUES_PER_VALUE if time and (isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME) or isTechniqueAvailable( PAYLOAD.TECHNIQUE.STACKED)) and not found: kb.responseTimeMode = re.sub( r"(?i)[^a-z]", "", re.sub(r"'[^']+'", "", re.sub(r"(?i)(\w+)\(.+\)", r"\g<1>", expression))) if re.search( r"(?i)SELECT.+FROM", expression) else None if isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME): kb.technique = PAYLOAD.TECHNIQUE.TIME else: kb.technique = PAYLOAD.TECHNIQUE.STACKED if expected == EXPECTED.BOOL: value = _goBooleanProxy(booleanExpression) else: value = _goInferenceProxy(query, fromUser, batch, unpack, charsetType, firstChar, lastChar, dump) else: errMsg = "none of the injection types identified can be " errMsg += "leveraged to retrieve queries output" raise SqlmapNotVulnerableException(errMsg) finally: kb.resumeValues = True kb.responseTimeMode = None conf.tbl = popValue() conf.db = popValue() if suppressOutput is not None: getCurrentThreadData().disableStdOut = popValue() kb.safeCharEncode = False if not any( (kb.testMode, conf.dummy, conf.offline)) and value is None and Backend.getDbms( ) and conf.dbmsHandler and not conf.noCast and not conf.hexConvert: warnMsg = u"在对连续的数据进行检索的情况下,建议您尝试一个选项'--no-cast'或'--hex'" warnMsg += u"或'--hex'" if Backend.getIdentifiedDbms() not in ( DBMS.ACCESS, DBMS.FIREBIRD) else "" singleTimeWarnMessage(warnMsg) return extractExpectedValue(value, expected)