diff options
| author | Brian Gix <bgix@codeaurora.org> | 2011-12-22 01:12:12 +0100 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-12-22 17:18:59 +0100 |
| commit | 2b64d153a0cc9d2b60e47be013cde8490f16e0a5 (patch) | |
| tree | ea075313e9f03379ee1313ca230b07dadd937dad /include | |
| parent | Bluetooth: Fix deadlocks with sock lock and L2CAP timers locks (diff) | |
| download | linux-2b64d153a0cc9d2b60e47be013cde8490f16e0a5.tar.xz linux-2b64d153a0cc9d2b60e47be013cde8490f16e0a5.zip | |
Bluetooth: Add MITM mechanism to LE-SMP
To achive Man-In-The-Middle (MITM) level security with Low Energy,
we have to enable User Passkey Comparison. This commit modifies the
hard-coded JUST-WORKS pairing mechanism to support query via the MGMT
interface of Passkey comparison and User Confirmation.
Signed-off-by: Brian Gix <bgix@codeaurora.org>
Acked-by: Marcel Holtmann<marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 1 | ||||
| -rw-r--r-- | include/net/bluetooth/smp.h | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 5ce73dbaf604..4ff08d61eea5 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -310,6 +310,7 @@ struct hci_conn { struct hci_dev *hdev; void *l2cap_data; void *sco_data; + void *smp_conn; struct hci_conn *link; diff --git a/include/net/bluetooth/smp.h b/include/net/bluetooth/smp.h index 15b97d549441..aeaf5fa2b9f1 100644 --- a/include/net/bluetooth/smp.h +++ b/include/net/bluetooth/smp.h @@ -115,6 +115,10 @@ struct smp_cmd_security_req { #define SMP_MIN_ENC_KEY_SIZE 7 #define SMP_MAX_ENC_KEY_SIZE 16 +#define SMP_FLAG_TK_VALID 1 +#define SMP_FLAG_CFM_PENDING 2 +#define SMP_FLAG_MITM_AUTH 3 + struct smp_chan { struct l2cap_conn *conn; u8 preq[7]; /* SMP Pairing Request */ @@ -124,6 +128,7 @@ struct smp_chan { u8 pcnf[16]; /* SMP Pairing Confirm */ u8 tk[16]; /* SMP Temporary Key */ u8 smp_key_size; + unsigned long smp_flags; struct crypto_blkcipher *tfm; struct work_struct confirm; struct work_struct random; @@ -134,6 +139,7 @@ struct smp_chan { int smp_conn_security(struct l2cap_conn *conn, __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); +int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey); void smp_chan_destroy(struct l2cap_conn *conn); |