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Bluetooth: Fix ignoring debug keys in mgmt_load_link_keys 

We should never allow user space to feed back debug keys to the kernel.
If the user desires to use debug keys require setting the appropriate
debug keys mode and performing a new pairing.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-06-24 14:00:26 +03:00 committed by Marcel Holtmann
parent af6a9c3213
commit 58e9293c4e
1 changed files with 6 additions and 0 deletions
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6
net/bluetooth/mgmt.c
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@ -2426,6 +2426,12 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
for (i = 0; i < key_count; i++) {
struct mgmt_link_key_info *key = &cp->keys[i];
/* Always ignore debug keys and require a new pairing if
* the user wants to use them.
*/
if (key->type == HCI_LK_DEBUG_COMBINATION)
continue;
hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
key->type, key->pin_len, NULL);
}