sflib.py 文件源码

def checkDnsWildcard(self, target):
        randpool = 'bcdfghjklmnpqrstvwxyz3456789'
        randhost = ''.join([random.choice(randpool) for x in range(10)])

        # An exception will be raised if the resolution fails
        try:
            addrs = socket.gethostbyname_ex(randhost + "." + target)
            self.debug(target + " has wildcard DNS.")
            return True
        except BaseException as e:
            self.debug(target + " does not have wildcard DNS.")
            return False

    # Scrape Google for content, starting at startUrl and iterating through
    # results based on options supplied. Will return a dictionary of all pages
    # fetched and their contents {page => content}.
    # Options accepted:
    # limit: number of search result pages before returning, default is 10
    # nopause: don't randomly pause between fetches
    # useragent: User-Agent string to use
    # timeout: Fetch timeout