Function unionThread

lib/techniques/union/use.py:362–435

()

                try:
                    def unionThread():
                        threadData = getCurrentThreadData()

                        while kb.threadContinue:
                            with kb.locks.limit:
                                try:
                                    threadData.shared.counter += 1
                                    num = next(threadData.shared.limits)
                                except StopIteration:
                                    break

                            if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                                field = expressionFieldsList[0]
                            elif Backend.isDbms(DBMS.ORACLE):
                                field = expressionFieldsList
                            else:
                                field = None

                            limitedExpr = agent.limitQuery(num, expression, field)
                            output = _oneShotUnionUse(limitedExpr, unpack, True)

                            if not kb.threadContinue:
                                break

                            if output:
                                with kb.locks.value:
                                    if all(_ in output for _ in (kb.chars.start, kb.chars.stop)):
                                        items = parseUnionPage(output)

                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(threadData.shared.counter)
                                        if isListLike(items):
                                            # in case that we requested N columns and we get M!=N then we have to filter a bit
                                            if len(items) > 1 and len(expressionFieldsList) > 1:
                                                items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
                                            items = [_ for _ in flattenValue(items)]
                                            if len(items) > len(expressionFieldsList):
                                                filtered = OrderedDict()
                                                for item in items:
                                                    key = re.sub(r"[^A-Za-z0-9]", "", item).lower()
                                                    if key not in filtered or re.search(r"[^A-Za-z0-9]", item):
                                                        filtered[key] = item
                                                items = list(six.itervalues(filtered))
                                            items = [items]
                                        index = None
                                        for index in xrange(1 + len(threadData.shared.buffered)):
                                            if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(index or 0, (num, items))
                                    else:
                                        index = None
                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(threadData.shared.counter)
                                        for index in xrange(1 + len(threadData.shared.buffered)):
                                            if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(index or 0, (num, None))