lkml.org 
[lkml]   [2013]   [May]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH RFC 03/48] Audit: implement audit self-defined compare function
    Date
    After this patch, audit netlink sockets can
    communicate with each other when they belong
    to the same user namespace.

    Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
    ---
    kernel/audit.c | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/kernel/audit.c b/kernel/audit.c
    index 766dcbf..3ae8793 100644
    --- a/kernel/audit.c
    +++ b/kernel/audit.c
    @@ -937,6 +937,11 @@ static void audit_receive(struct sk_buff *skb)
    mutex_unlock(&audit_cmd_mutex);
    }

    +static bool audit_compare(struct net *net, struct sock *sk)
    +{
    + return (sock_net(sk)->user_ns == net->user_ns);
    +}
    +
    static int __net_init audit_net_init(struct net *net)
    {
    struct user_namespace *ns = net->user_ns;
    @@ -949,6 +954,7 @@ static int __net_init audit_net_init(struct net *net)
    */
    struct netlink_kernel_cfg cfg = {
    .input = audit_receive,
    + .compare = audit_compare,
    };

    sk = netlink_kernel_create(net, NETLINK_AUDIT, &cfg);
    --
    1.8.1.4


    \
     
     \ /
      Last update: 2013-05-07 05:01    [W:3.641 / U:0.132 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site