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I am new to SharePoint. I was trying to download and upload file using Perl script in a Linux machine but getting an "NTLM Authentication Error" while running the script.

I tried downloading the file using "wget" providing valid credentials through following command

wget --user username --password passwd http://dest.sharepoint.com/Folder/file.txt

but got the error "401 Unauthorized". I am not able to identify the cause. 401 error occurs when authentication is required and it is not provided whether it has failed or not. But in the above case username and password provided is correct because I am able to browse to the file using GUI in browser with same credentials.

If any one has any idea about this please let me know.

Thanks

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I have also come across this issue. Added -k option to curl command such as:

curl -k --ntlm -u username:password -O http://dest.sharepoint.com/Folder/file.txt

This will do the job.

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thy curl : curl --ntlm -u username:password -O http://dest.sharepoint.com/Folder/file.txt

  • not working 0 file downloaded – VED Nov 19 '14 at 6:15
  • works fine here. replace username with username@example.com format – Eric Nov 20 '14 at 7:29
  • @Eric I don't think this works. Check the contents of the file you downloaded is not an HTML error page, instead of the file you were expecting. – Nick Bull Jul 15 '16 at 11:18
  • @Nick i have a test again just now, it works here. i get the correct file from sharepoint 2010 document library, using curl from osx. – Eric Jul 21 '16 at 6:31
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This depends on the configured authentication-method. I.e. your method of access needs to be the same.

wget IMHO supports basic, disgest and NTML authentication. SharePoint 2013 supports (out-of-the-box) windows (i.e. NTLM), forms-based, and SAML-based claims authentication..

If you're SharePoint WebApplication is configured to use windows authentication, wget NTLM should work. As should the curl --ntlm-command.

If you're SharePoint is configured for forms-based authentication, you'll need to fake a login, and pass a cookie in your download-request. Check this question for ideas on how to do this.

I have no idea, what you could do if the SharePoint is configured for SAML-based claims authentication.

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