unix_diag: Unix socket name NLA

Report the sun_path when requested as NLA. With leading '\0' if
present but without the leading AF_UNIX bits.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/unix_diag.h b/include/linux/unix_diag.h
index 445184a85763..cc4df34d4c14 100644
--- a/include/linux/unix_diag.h
+++ b/include/linux/unix_diag.h
@@ -11,6 +11,8 @@ struct unix_diag_req {
         __u32   udiag_cookie[2];
 };
 
+#define UDIAG_SHOW_NAME         0x00000001      /* show name (not path) */
+
 struct unix_diag_msg {
         __u8    udiag_family;
         __u8    udiag_type;
@@ -21,4 +23,10 @@ struct unix_diag_msg {
         __u32   udiag_cookie[2];
 };
 
+enum {
+        UNIX_DIAG_NAME,
+
+        UNIX_DIAG_MAX,
+};
+
 #endif