1 files changed, 11 insertions, 0 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index 5d820c376653..204a8dec65cc 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -565,6 +565,13 @@ set_rcvbuf:
                         ret = -ENONET;
                         break;
 
+                case SO_PASSSEC:
+                        if (valbool)
+                                set_bit(SOCK_PASSSEC, &sock->flags);
+                        else
+                                clear_bit(SOCK_PASSSEC, &sock->flags);
+                        break;
+
                 /* We implement the SO_SNDLOWAT etc to
                    not be settable (1003.1g 5.3) */
                 default:
@@ -723,6 +730,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                         v.val = sk->sk_state == TCP_LISTEN;
                         break;
 
+                case SO_PASSSEC:
+                        v.val = test_bit(SOCK_PASSSEC, &sock->flags) ? 1 : 0;
+                        break;
+
                 case SO_PEERSEC:
                         return security_socket_getpeersec_stream(sock, optval, optlen, len);