Bluetooth: Fix accepting connect requests for defer_setup

When authentication completes we shouldn't blindly accept any pending
L2CAP connect requests. If the socket has the defer_setup feature
enabled it should still wait for user space acceptance of the connect
request. The issue only happens for non-SSP connections since with SSP
the L2CAP Connect request may not be sent for non-SDP PSMs before
authentication has completed successfully.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index e64a1c2..56fdd91 100644 (file)
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4002,21 +4002,30 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
                        }
                } else if (sk->sk_state == BT_CONNECT2) {
                        struct l2cap_conn_rsp rsp;
-                       __u16 result;
+                       __u16 res, stat;
 
                        if (!status) {
-                               sk->sk_state = BT_CONFIG;
-                               result = L2CAP_CR_SUCCESS;
+                               if (bt_sk(sk)->defer_setup) {
+                                       struct sock *parent = bt_sk(sk)->parent;
+                                       res = L2CAP_CR_PEND;
+                                       stat = L2CAP_CS_AUTHOR_PEND;
+                                       parent->sk_data_ready(parent, 0);
+                               } else {
+                                       sk->sk_state = BT_CONFIG;
+                                       res = L2CAP_CR_SUCCESS;
+                                       stat = L2CAP_CS_NO_INFO;
+                               }
                        } else {
                                sk->sk_state = BT_DISCONN;
                                l2cap_sock_set_timer(sk, HZ / 10);
-                               result = L2CAP_CR_SEC_BLOCK;
+                               res = L2CAP_CR_SEC_BLOCK;
+                               stat = L2CAP_CS_NO_INFO;
                        }
 
                        rsp.scid   = cpu_to_le16(chan->dcid);
                        rsp.dcid   = cpu_to_le16(chan->scid);
-                       rsp.result = cpu_to_le16(result);
-                       rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
+                       rsp.result = cpu_to_le16(res);
+                       rsp.status = cpu_to_le16(stat);
                        l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
                                                        sizeof(rsp), &rsp);
                }