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Bluetooth: Fix removing any IRKs when unpairing devices

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When mgmt_unpair_device is called we should also remove any associated
IRKs. This patch adds a hci_remove_irk convenience function and ensures
that it's called when mgmt_unpair_device is called.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-02-18 17:14:35 +02:00 committed by Marcel Holtmann
parent b7d448d74a
commit a7ec73386c
3 changed files with 18 additions and 0 deletions
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1
include/net/bluetooth/hci_core.h
View File

@ -801,6 +801,7 @@ struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 addr_type);
int hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type,
u8 val[16], bdaddr_t *rpa);
void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
void hci_smp_irks_clear(struct hci_dev *hdev);
void hci_remote_oob_data_clear(struct hci_dev *hdev);

15
net/bluetooth/hci_core.c
View File

@ -2823,6 +2823,21 @@ int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type)
return removed ? 0 : -ENOENT;
}
void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type)
{
struct smp_irk *k, *tmp;
list_for_each_entry_safe(k, tmp, &hdev->long_term_keys, list) {
if (bacmp(bdaddr, &k->bdaddr) || k->addr_type != addr_type)
continue;
BT_DBG("%s removing %pMR", hdev->name, bdaddr);
list_del(&k->list);
kfree(k);
}
}
/* HCI command timer function */
static void hci_cmd_timeout(unsigned long arg)
{

2
net/bluetooth/mgmt.c
View File

@ -2328,6 +2328,8 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
else
addr_type = ADDR_LE_DEV_RANDOM;
hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
}