diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-05-23 13:15:37 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-12-03 16:51:15 +0100 |
| commit | 23fb8de376181a30c35195351ec6230167098b48 (patch) | |
| tree | 92f5a31cecef6f9a22c8e58efd0e95979a0865d0 | |
| parent | d2eb9e10f74fc1fe5e7e7abc9965ff965e1b4f54 (diff) | |
| download | linux-23fb8de376181a30c35195351ec6230167098b48.tar.gz | |
Bluetooth: Add mgmt support for LE Secure Connections LTK types
We need a dedicated LTK type for LTK resulting from a Secure Connections based SMP pairing. This patch adds a new define for it and ensures that both the New LTK event as well as the Load LTKs command supports it. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | include/net/bluetooth/mgmt.h | 3 | ||||
| -rw-r--r-- | net/bluetooth/mgmt.c | 33 | ||||
| -rw-r--r-- | net/bluetooth/smp.h | 13 |
3 files changed, 42 insertions, 7 deletions
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index b391fd663468..9b382ea34fd9 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -184,6 +184,9 @@ struct mgmt_cp_load_link_keys { #define MGMT_LTK_UNAUTHENTICATED 0x00 #define MGMT_LTK_AUTHENTICATED 0x01 +#define MGMT_LTK_P256_UNAUTH 0x02 +#define MGMT_LTK_P256_AUTH 0x03 +#define MGMT_LTK_P256_DEBUG 0x04 struct mgmt_ltk_info { struct mgmt_addr_info addr; diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index cbeef5f62f3b..7974a39a42d9 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -4910,18 +4910,26 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, else addr_type = ADDR_LE_DEV_RANDOM; - if (key->master) - type = SMP_LTK; - else - type = SMP_LTK_SLAVE; - switch (key->type) { case MGMT_LTK_UNAUTHENTICATED: authenticated = 0x00; + type = key->master ? SMP_LTK : SMP_LTK_SLAVE; break; case MGMT_LTK_AUTHENTICATED: authenticated = 0x01; + type = key->master ? SMP_LTK : SMP_LTK_SLAVE; + break; + case MGMT_LTK_P256_UNAUTH: + authenticated = 0x00; + type = SMP_LTK_P256; + break; + case MGMT_LTK_P256_AUTH: + authenticated = 0x01; + type = SMP_LTK_P256; break; + case MGMT_LTK_P256_DEBUG: + authenticated = 0x00; + type = SMP_LTK_P256_DEBUG; default: continue; } @@ -6101,8 +6109,19 @@ void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, static u8 mgmt_ltk_type(struct smp_ltk *ltk) { - if (ltk->authenticated) - return MGMT_LTK_AUTHENTICATED; + switch (ltk->type) { + case SMP_LTK: + case SMP_LTK_SLAVE: + if (ltk->authenticated) + return MGMT_LTK_AUTHENTICATED; + return MGMT_LTK_UNAUTHENTICATED; + case SMP_LTK_P256: + if (ltk->authenticated) + return MGMT_LTK_P256_AUTH; + return MGMT_LTK_P256_UNAUTH; + case SMP_LTK_P256_DEBUG: + return MGMT_LTK_P256_DEBUG; + } return MGMT_LTK_UNAUTHENTICATED; } diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h index 7c3c351909f5..81d24c0ea08b 100644 --- a/net/bluetooth/smp.h +++ b/net/bluetooth/smp.h @@ -146,8 +146,21 @@ enum { SMP_STK, SMP_LTK, SMP_LTK_SLAVE, + SMP_LTK_P256, + SMP_LTK_P256_DEBUG, }; +static inline bool smp_ltk_is_sc(struct smp_ltk *key) +{ + switch (key->type) { + case SMP_LTK_P256: + case SMP_LTK_P256_DEBUG: + return true; + } + + return false; +} + static inline u8 smp_ltk_sec_level(struct smp_ltk *key) { if (key->authenticated) |