From: Stefan Hajnoczi <stefanha@gmail.com>
To: "M. Mohan Kumar" <mohan@in.ibm.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [V7 PATCH 3/9] virtio-9p: Provide chroot worker side interfaces
Date: Fri, 4 Mar 2011 10:53:42 +0000 [thread overview]
Message-ID: <AANLkTik+3n6E+R34fPaq+Pb_rowX8hKY3b8q1RKS2ox6@mail.gmail.com> (raw)
In-Reply-To: <1299230756-1644-4-git-send-email-mohan@in.ibm.com>
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?
Stefan
next prev parent reply other threads:[~2011-03-04 10:53 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 ` Stefan Hajnoczi [this message]
2011-03-08 5:10 ` [Qemu-devel] " Venkateswararao Jujjuri (JV)
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=AANLkTik+3n6E+R34fPaq+Pb_rowX8hKY3b8q1RKS2ox6@mail.gmail.com \
--to=stefanha@gmail.com \
--cc=mohan@in.ibm.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).