[libvirt] [PATCH v3 11/12] LXC: controller: change the owner of /dev/pts and ptmx to the root of container
Daniel P. Berrange
berrange at redhat.com
Tue Jun 4 13:50:58 UTC 2013
On Thu, May 23, 2013 at 12:06:55PM +0800, Gao feng wrote:
> This two files are created for container,
> the owner should be the root user of container.
>
> Signed-off-by: Gao feng <gaofeng at cn.fujitsu.com>
> ---
> src/lxc/lxc_controller.c | 30 ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
> index b2ace20..7d27135 100644
> --- a/src/lxc/lxc_controller.c
> +++ b/src/lxc/lxc_controller.c
> @@ -1506,8 +1506,15 @@ virLXCControllerSetupDevPTS(virLXCControllerPtr ctrl)
> char *opts = NULL;
> char *devpts = NULL;
> char *path = NULL;
> + uid_t uid = (uid_t)-1;
> + gid_t gid = (gid_t)-1;
> int ret = -1;
>
> + if (ctrl->def->idmap.uidmap) {
> + uid = ctrl->def->idmap.uidmap[0].target;
> + gid = ctrl->def->idmap.gidmap[0].target;
> + }
> +
> VIR_DEBUG("Setting up private /dev/pts");
>
> mount_options = virSecurityManagerGetMountOptions(ctrl->securityManager,
> @@ -1551,6 +1558,21 @@ virLXCControllerSetupDevPTS(virLXCControllerPtr ctrl)
> goto cleanup;
> }
>
> + if (chown(ctrl->devptmx, uid, gid) < 0) {
> + virReportSystemError(errno,
> + _("Failed to change the owner of"
> + "%s to %u:%u"),
> + path, uid, gid);
> + goto cleanup;
> + }
> + if (chown(devpts, uid, gid) < 0) {
> + virReportSystemError(errno,
> + _("Failed to change the owner of"
> + "%s to %u:%u"),
> + devpts, uid, gid);
> + goto cleanup;
> + }
> +
> if (access(ctrl->devptmx, W_OK) < 0) {
> if (virAsprintf(&path, "/%s/%s.dev/ptmx",
> LXC_STATE_DIR, ctrl->def->name)) {
> @@ -1564,8 +1586,16 @@ virLXCControllerSetupDevPTS(virLXCControllerPtr ctrl)
> virReportSystemError(errno, _("Failed to make device %s"), path);
> goto cleanup;
> }
> + if (chown(path, uid, gid) < 0) {
> + virReportSystemError(errno,
> + _("Failed to change the owner of"
> + "%s to %u:%u"),
> + path, uid, gid);
> + goto cleanup;
> + }
> }
ACK
Daniel
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