From ad32a2f5ced269f5516950fc8f52b6673462d208 Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Tue, 14 May 2013 18:05:12 +0300 Subject: [PATCH] Bluetooth: Add smp_sufficient_security helper function This function is needed both by the smp_conn_security function as well as upcoming code to check for the security requirements when receiving an L2CAP connect request over LE. Signed-off-by: Johan Hedberg Signed-off-by: Marcel Holtmann --- net/bluetooth/smp.c | 16 ++++++++++++---- net/bluetooth/smp.h | 1 + 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index e61e74a..4500736 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -750,6 +750,17 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) return 0; } +bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level) +{ + if (sec_level == BT_SECURITY_LOW) + return true; + + if (hcon->sec_level >= sec_level) + return true; + + return false; +} + int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) { struct l2cap_conn *conn = hcon->l2cap_data; @@ -761,10 +772,7 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) if (!test_bit(HCI_LE_ENABLED, &hcon->hdev->dev_flags)) return 1; - if (sec_level == BT_SECURITY_LOW) - return 1; - - if (hcon->sec_level >= sec_level) + if (smp_sufficient_security(hcon, sec_level)) return 1; if (hcon->link_mode & HCI_LM_MASTER) diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h index f8ba07f..a700bcb 100644 --- a/net/bluetooth/smp.h +++ b/net/bluetooth/smp.h @@ -136,6 +136,7 @@ struct smp_chan { }; /* SMP Commands */ +bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level); int smp_conn_security(struct hci_conn *hcon, __u8 sec_level); int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb); int smp_distribute_keys(struct l2cap_conn *conn, __u8 force); -- 2.7.4