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[bug #50927] Invalid EFI file path for TFTP?

From: Kolbjørn Barmen
Subject: [bug #50927] Invalid EFI file path for TFTP?
Date: Wed, 3 May 2017 06:13:03 -0400 (EDT)
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.1 Safari/603.1.30


                 Summary: Invalid EFI file path for TFTP?
                 Project: GNU GRUB
            Submitted by: kolla
            Submitted on: Wed May  3 10:13:02 2017
                Category: Network
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 2.02~beta1
         Reproducibility: None
         Planned Release: None



I try to use grub as general PXE solution for UEFI systems, but fint it
impossible to chainload to efi files located on Windows TFTP servers, since
they operate with back slashes in their paths instead of forward slashes.

For example:

 set root(tftp,
 chainloader smsboot\\x64\\wdsmgfw.efi


  chainloader (tftp,\\x64\\wdsmgfw.efi

both result in "error: invalid EFI file path".

Manual "get  smsboot\\x64\\wdsmgfw.efi " with any tftp client works.

Moving the file over to a *ix server and use backslash works, it will load the

In general, I think it is wrong to validate path strings on TFTP servers.


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