Re: [PATCH V9 2/4] fuse: Trace daemon creds

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On 9/30/2020 2:45 PM, Miklos Szeredi wrote:
On Thu, Sep 24, 2020 at 3:13 PM Alessio Balsini <balsini@xxxxxxxxxxx> wrote:
Add a reference to the FUSE daemon credentials, so that they can be used to
temporarily raise the user credentials when accessing lower file system
files in passthrough.
Hmm, I think it would be better to store the creds of the ioctl()
caller together with the open file.   The mounter may deliberately
have different privileges from the process doing the actual I/O.

Thanks,
Miklos


In my usecase I'm changing euid/egid of the thread to whichever the uid/gid was passed to the server which is otherwise running as root.




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