[lxc-devel] [PATCH 1/4] oracle template: further disable selinux in ol5 container

[Serge Hallyn]

Quoting Dwight Engen (dwight.engen at oracle.com):
> Signed-off-by: Dwight Engen <dwight.engen at oracle.com>

Acked-by: Serge E. Hallyn <serge.hallyn at ubuntu.com>

> ---
>  templates/lxc-oracle.in | 15 +++++++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/templates/lxc-oracle.in b/templates/lxc-oracle.in
> index 78d99ee..106150c 100644
> --- a/templates/lxc-oracle.in
> +++ b/templates/lxc-oracle.in
> @@ -51,11 +51,17 @@ container_rootfs_configure()
>  {
>      echo "Configuring container for Oracle Linux $container_release_major.$container_release_minor"
>  
> -    # "disable" selinux. init in OL 5 honors /etc/selinux/config. note that
> +    # "disable" selinux in the guest. The policy in the container isn't
> +    # likely to match the hosts (unless host == guest exactly) and the
> +    # kernel can only be enforcing one policy.
> +    #
> +    # The OL 5 init honors /etc/selinux/config, but note that
>      # this doesnt actually disable it if it's enabled in the host, since
>      # libselinux::is_selinux_enabled() in the guest will check
>      # /proc/filesystems and see selinuxfs, thus reporting that it is on
> -    # (ie. check the output of sestatus in the guest)
> +    # (ie. check the output of sestatus in the guest). We also replace
> +    # /usr/sbin/selinuxenabled with a symlink to /bin/false so that init
> +    # scripts (ie. mcstransd) that call that think selinux is disabled.
>      mkdir -p $container_rootfs/selinux
>      echo 0 > $container_rootfs/selinux/enforce
>      if [ -e $container_rootfs/etc/selinux/config ]; then
> @@ -68,6 +74,11 @@ container_rootfs_configure()
>      sed -i 's|session[ \t]*required[ \t]*pam_selinux.so[ \t]*open|#session required pam_selinux.so open|' $container_rootfs/etc/pam.d/login
>      sed -i 's|session[ \t]*required[ \t]*pam_loginuid.so|#session required pam_loginuid.so|' $container_rootfs/etc/pam.d/login
>  
> +    if [ -f $container_rootfs/usr/sbin/selinuxenabled ]; then
> +        mv $container_rootfs/usr/sbin/selinuxenabled $container_rootfs/usr/sbin/selinuxenabled.lxcorig
> +        ln -s /bin/false $container_rootfs/usr/sbin/selinuxenabled
> +    fi
> +
>      # silence error in checking for selinux
>      sed -i 's|cat /proc/self/attr/current|cat /proc/self/attr/current 2>/dev/null|' $container_rootfs/etc/rc.sysinit
>      sed -i 's|cat /proc/self/attr/current|cat /proc/self/attr/current 2>/dev/null|' $container_rootfs/etc/rc.d/rc.sysinit
> -- 
> 1.8.3.1
> 
> 
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