Validating destination file paths

Rated 3.91/5 based on 766 customer reviews

ERROR_INVALID_NAME = 123 ''' Windows-specific error code indicating an invalid pathname.

See Also ---------- https://msdn.microsoft.com/en-us/library/windows/desktop/ms681382(v=vs.85)Official listing of all such codes.

dirname = dirname(pathname) or os.getcwd() return os.access(dirname, os.

validating destination file paths-41

validating destination file paths-81

validating destination file paths-32

validating destination file paths-5

Passing pathnames residing in any other directory (and hence not guaranteed to exist) to are susceptible to Denial of Service (Do S) attacks and other black-hat shenanigans.

_, pathname = splitdrive(pathname) # Directory guaranteed to exist.

If the current OS is Windows, this is # the drive to which Windows was installed (e.g., the "%HOMEDRIVE%" # environment variable); else, the typical root directory.

Yes – unless we modify those pathnames to reside in existing directories. Shouldn't modifying a pathname prevent us from validating the original pathname? It reduces the larger problem of validating the full pathname in one fell swoop to the smaller problem of only validating all path components in that pathname.

To answer this question, recall from above that syntactically correct pathnames on the real-world filesystems of interest. Any arbitrary pathname is validatable (regardless of whether that pathname resides in an existing directory or not) in a cross-platform manner by following the following algorithm: Is there a directory guaranteed to exist?

Leave a Reply

  1. mormon dating show 08-Aug-2020 18:24

    If you’ve been wondering exactly where Cathy Davey has been for the past few years, the answer can be found within 30 seconds of pulling into her driveway.

  2. dating alternative people 20-Sep-2020 15:57

    There are a lot of ways to find and meet strangers, but Yes IChat could be one of your best choice. You can chat without providing email or any personal data. You are not required to register an account to chat online. Just one click is enough to start chatting without being required to register, there's no need for registration or sign up. You can chat for free without having to download or going through the annoying registration processes and enjo the free trial of chat.