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Date: Mon, 07 Mar 2011 21:10:54 -0800
From: "Venkateswararao Jujjuri (JV)" <jvrao@linux.vnet.ibm.com>
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Subject: Re: [Qemu-devel] Re: [V7 PATCH 3/9] virtio-9p: Provide chroot worker
	side interfaces
References: <1299230756-1644-1-git-send-email-mohan@in.ibm.com>
	<1299230756-1644-4-git-send-email-mohan@in.ibm.com>
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: "M. Mohan Kumar" <mohan@in.ibm.com>, qemu-devel@nongnu.org

On 3/4/2011 2:53 AM, Stefan Hajnoczi wrote:
> On Fri, Mar 4, 2011 at 9:25 AM, M. Mohan Kumar <mohan@in.ibm.com> wrote:
>> +static int chroot_do_open(V9fsFileObjectRequest *request)
>> +{
>> +    int fd;
>> +    fd = open(request->path.path, request->data.flags);
>> +    if (fd < 0) {
>> +        fd = -errno;
>> +    }
>> +    return fd;
>> +}
> 
> How do access checks work without fsuid/fsgid being set?

VirtFS access checks are done on the cleint. Server just does what
client asked for.. as long as the operations on the exported region.

- JV

> 
> Stefan
>