From: "Venkateswararao Jujjuri (JV)" <jvrao@linux.vnet.ibm.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: "M. Mohan Kumar" <mohan@in.ibm.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [V7 PATCH 3/9] virtio-9p: Provide chroot worker side interfaces
Date: Mon, 07 Mar 2011 21:10:54 -0800 [thread overview]
Message-ID: <4D75BA5E.1040106@linux.vnet.ibm.com> (raw)
In-Reply-To: <AANLkTik+3n6E+R34fPaq+Pb_rowX8hKY3b8q1RKS2ox6@mail.gmail.com>
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
>
next prev parent reply other threads:[~2011-03-08 5:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-04 9:25 [Qemu-devel] [V7 PATCH 0/9] virtio-9p: Use chroot to safely access files in passthrough security model M. Mohan Kumar
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 1/9] Implement qemu_read_full M. Mohan Kumar
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 2/9] virtio-9p: Enable CONFIG_THREAD if CONFIG_VIRTFS is enabled M. Mohan Kumar
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 3/9] virtio-9p: Provide chroot worker side interfaces M. Mohan Kumar
2011-03-04 10:53 ` [Qemu-devel] " Stefan Hajnoczi
2011-03-08 5:10 ` Venkateswararao Jujjuri (JV) [this message]
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 4/9] virtio-9p: Add qemu side interfaces for chroot environment M. Mohan Kumar
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 5/9] virtio-9p: Add support to open a file in " M. Mohan Kumar
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 6/9] virtio-9p: Create support " M. Mohan Kumar
2011-03-04 10:28 ` [Qemu-devel] " Stefan Hajnoczi
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 7/9] virtio-9p: Support for creating special files M. Mohan Kumar
2011-03-04 11:06 ` [Qemu-devel] " Stefan Hajnoczi
2011-03-09 8:08 ` M. Mohan Kumar
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 8/9] virtio-9p: Move file post creation changes to none security model M. Mohan Kumar
2011-03-04 9:25 ` [Qemu-devel] [V7 PATCH 9/9] virtio-9p: Chroot environment for other functions M. Mohan Kumar
2011-03-04 11:52 ` [Qemu-devel] " Stefan Hajnoczi
2011-03-09 8:10 ` M. Mohan Kumar
2011-03-11 17:12 ` Stefan Hajnoczi
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