From edca792c036f48b15ee4d70045fb6722e8797281 Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Mon, 24 Mar 2014 15:54:11 +0200 Subject: [PATCH] Bluetooth: Add SMP flag to track which side is the initiator For remotely initiated just-works pairings we want to show the user a confirmation dialog for the pairing. However, we can only know which side was the initiator by tracking which side sends the first Security Request or Pairing Request PDU. This patch adds a new SMP flag to indicate whether our side was the initiator for the pairing. Signed-off-by: Johan Hedberg Signed-off-by: Marcel Holtmann --- net/bluetooth/smp.c | 6 ++++++ net/bluetooth/smp.h | 1 + 2 files changed, 7 insertions(+) diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 97e95c849ff..1b28f5fd798 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -716,6 +716,8 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) if (ret) return SMP_UNSPECIFIED; + clear_bit(SMP_FLAG_INITIATOR, &smp->smp_flags); + return 0; } @@ -871,6 +873,8 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp); + clear_bit(SMP_FLAG_INITIATOR, &smp->smp_flags); + return 0; } @@ -939,6 +943,8 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) } done: + set_bit(SMP_FLAG_INITIATOR, &smp->smp_flags); + hcon->pending_sec_level = sec_level; return 0; diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h index b6913471815..0d536b8b3f9 100644 --- a/net/bluetooth/smp.h +++ b/net/bluetooth/smp.h @@ -120,6 +120,7 @@ struct smp_cmd_security_req { #define SMP_FLAG_MITM_AUTH 3 #define SMP_FLAG_LTK_ENCRYPT 4 #define SMP_FLAG_COMPLETE 5 +#define SMP_FLAG_INITIATOR 6 #define SMP_REENCRYPT_TIMEOUT msecs_to_jiffies(500) -- 2.41.0