diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index ac4de1afe046921ffbd625d3a77ce745569f02c6..b989a8c3e01a387fdf33d52721fa4d1966696396 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -426,6 +426,18 @@ struct hci_rp_user_confirm_reply { #define HCI_OP_USER_CONFIRM_NEG_REPLY 0x042d +#define HCI_OP_REMOTE_OOB_DATA_REPLY 0x0430 +struct hci_cp_remote_oob_data_reply { + bdaddr_t bdaddr; + __u8 hash[16]; + __u8 randomizer[16]; +} __packed; + +#define HCI_OP_REMOTE_OOB_DATA_NEG_REPLY 0x0433 +struct hci_cp_remote_oob_data_neg_reply { + bdaddr_t bdaddr; +} __packed; + #define HCI_OP_IO_CAPABILITY_NEG_REPLY 0x0434 struct hci_cp_io_capability_neg_reply { bdaddr_t bdaddr; @@ -962,6 +974,11 @@ struct hci_ev_user_confirm_req { __le32 passkey; } __packed; +#define HCI_EV_REMOTE_OOB_DATA_REQUEST 0x35 +struct hci_ev_remote_oob_data_request { + bdaddr_t bdaddr; +} __packed; + #define HCI_EV_SIMPLE_PAIR_COMPLETE 0x36 struct hci_ev_simple_pair_complete { __u8 status; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index fd9b8a31e5b0cc011cf9de7e74ec97d25f36d1be..87bff518b54bda9fddad2060a112886a62e410fb 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -82,6 +82,13 @@ struct link_key { u8 pin_len; }; +struct oob_data { + struct list_head list; + bdaddr_t bdaddr; + u8 hash[16]; + u8 randomizer[16]; +}; + #define NUM_REASSEMBLY 4 struct hci_dev { struct list_head list; @@ -169,6 +176,8 @@ struct hci_dev { struct list_head link_keys; + struct list_head remote_oob_data; + struct hci_dev_stats stat; struct sk_buff_head driver_init; @@ -505,6 +514,13 @@ int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, u8 *key, u8 type, u8 pin_len); int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); +int hci_remote_oob_data_clear(struct hci_dev *hdev); +struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, + bdaddr_t *bdaddr); +int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, + u8 *randomizer); +int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); + void hci_del_off_timer(struct hci_dev *hdev); void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index 6ebb1265c36ef9ec9086a83c897fa8055014fc16..1a6283f9fee8a9cac394b8224e6b408c9ca4ab5e 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -183,6 +183,18 @@ struct mgmt_rp_read_local_oob_data { __u8 randomizer[16]; } __packed; +#define MGMT_OP_ADD_REMOTE_OOB_DATA 0x0019 +struct mgmt_cp_add_remote_oob_data { + bdaddr_t bdaddr; + __u8 hash[16]; + __u8 randomizer[16]; +} __packed; + +#define MGMT_OP_REMOVE_REMOTE_OOB_DATA 0x001A +struct mgmt_cp_remove_remote_oob_data { + bdaddr_t bdaddr; +} __packed; + #define MGMT_EV_CMD_COMPLETE 0x0001 struct mgmt_ev_cmd_complete { __le16 opcode; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c20cbe5ff6db7cff65365d4e786d21d96706055b..675f0a1832eedf849853369f58c1b339ca51a01f 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1076,6 +1076,70 @@ static void hci_cmd_timer(unsigned long arg) tasklet_schedule(&hdev->cmd_task); } +struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, + bdaddr_t *bdaddr) +{ + struct oob_data *data; + + list_for_each_entry(data, &hdev->remote_oob_data, list) + if (bacmp(bdaddr, &data->bdaddr) == 0) + return data; + + return NULL; +} + +int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr) +{ + struct oob_data *data; + + data = hci_find_remote_oob_data(hdev, bdaddr); + if (!data) + return -ENOENT; + + BT_DBG("%s removing %s", hdev->name, batostr(bdaddr)); + + list_del(&data->list); + kfree(data); + + return 0; +} + +int hci_remote_oob_data_clear(struct hci_dev *hdev) +{ + struct oob_data *data, *n; + + list_for_each_entry_safe(data, n, &hdev->remote_oob_data, list) { + list_del(&data->list); + kfree(data); + } + + return 0; +} + +int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, + u8 *randomizer) +{ + struct oob_data *data; + + data = hci_find_remote_oob_data(hdev, bdaddr); + + if (!data) { + data = kmalloc(sizeof(*data), GFP_ATOMIC); + if (!data) + return -ENOMEM; + + bacpy(&data->bdaddr, bdaddr); + list_add(&data->list, &hdev->remote_oob_data); + } + + memcpy(data->hash, hash, sizeof(data->hash)); + memcpy(data->randomizer, randomizer, sizeof(data->randomizer)); + + BT_DBG("%s for %s", hdev->name, batostr(bdaddr)); + + return 0; +} + /* Register HCI device */ int hci_register_dev(struct hci_dev *hdev) { @@ -1140,6 +1204,8 @@ int hci_register_dev(struct hci_dev *hdev) INIT_LIST_HEAD(&hdev->link_keys); + INIT_LIST_HEAD(&hdev->remote_oob_data); + INIT_WORK(&hdev->power_on, hci_power_on); INIT_WORK(&hdev->power_off, hci_power_off); setup_timer(&hdev->off_timer, hci_auto_off, (unsigned long) hdev); @@ -1219,6 +1285,7 @@ int hci_unregister_dev(struct hci_dev *hdev) hci_blacklist_clear(hdev); hci_uuids_clear(hdev); hci_link_keys_clear(hdev); + hci_remote_oob_data_clear(hdev); hci_dev_unlock_bh(hdev); __hci_dev_put(hdev); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 582ef60a8bc0d60328c4fa12aa7fbdf97ec51e42..e0aaf30536670fe991ca6ee04804fe873ca21063 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2471,6 +2471,37 @@ static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_ hci_dev_unlock(hdev); } +static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; + struct oob_data *data; + + BT_DBG("%s", hdev->name); + + hci_dev_lock(hdev); + + data = hci_find_remote_oob_data(hdev, &ev->bdaddr); + if (data) { + struct hci_cp_remote_oob_data_reply cp; + + bacpy(&cp.bdaddr, &ev->bdaddr); + memcpy(cp.hash, data->hash, sizeof(cp.hash)); + memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer)); + + hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp), + &cp); + } else { + struct hci_cp_remote_oob_data_neg_reply cp; + + bacpy(&cp.bdaddr, &ev->bdaddr); + hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp), + &cp); + } + + hci_dev_unlock(hdev); +} + static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_le_conn_complete *ev = (void *) skb->data; @@ -2673,6 +2704,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_le_meta_evt(hdev, skb); break; + case HCI_EV_REMOTE_OOB_DATA_REQUEST: + hci_remote_oob_data_request_evt(hdev, skb); + break; + default: BT_DBG("%s event 0x%x", hdev->name, event); break; diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 33b1f7400dab0ac2fc4d374df11de9c656a5634b..a42dc8ca0a6f6b36afd92d57bf9d44c77b5b192f 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1345,6 +1345,74 @@ static int read_local_oob_data(struct sock *sk, u16 index) return err; } +static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data, + u16 len) +{ + struct hci_dev *hdev; + struct mgmt_cp_add_remote_oob_data *cp = (void *) data; + int err; + + BT_DBG("hci%u ", index); + + if (len != sizeof(*cp)) + return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, + EINVAL); + + hdev = hci_dev_get(index); + if (!hdev) + return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, + ENODEV); + + hci_dev_lock_bh(hdev); + + err = hci_add_remote_oob_data(hdev, &cp->bdaddr, cp->hash, + cp->randomizer); + if (err < 0) + err = cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, -err); + else + err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, NULL, + 0); + + hci_dev_unlock_bh(hdev); + hci_dev_put(hdev); + + return err; +} + +static int remove_remote_oob_data(struct sock *sk, u16 index, + unsigned char *data, u16 len) +{ + struct hci_dev *hdev; + struct mgmt_cp_remove_remote_oob_data *cp = (void *) data; + int err; + + BT_DBG("hci%u ", index); + + if (len != sizeof(*cp)) + return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, + EINVAL); + + hdev = hci_dev_get(index); + if (!hdev) + return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, + ENODEV); + + hci_dev_lock_bh(hdev); + + err = hci_remove_remote_oob_data(hdev, &cp->bdaddr); + if (err < 0) + err = cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, + -err); + else + err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, + NULL, 0); + + hci_dev_unlock_bh(hdev); + hci_dev_put(hdev); + + return err; +} + int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) { unsigned char *buf; @@ -1446,6 +1514,13 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) case MGMT_OP_READ_LOCAL_OOB_DATA: err = read_local_oob_data(sk, index); break; + case MGMT_OP_ADD_REMOTE_OOB_DATA: + err = add_remote_oob_data(sk, index, buf + sizeof(*hdr), len); + break; + case MGMT_OP_REMOVE_REMOTE_OOB_DATA: + err = remove_remote_oob_data(sk, index, buf + sizeof(*hdr), + len); + break; default: BT_DBG("Unknown op %u", opcode);