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Bluetooth: Fix checking for valid address type values in mgmt commands

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This patch adds checks for valid address type values passed to mgmt
commands. If an invalid address type is encountered the code will return
a proper invalid params response.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Johan Hedberg 2013-01-20 14:27:19 +02:00 committed by Gustavo Padovan
parent 679efe2b4f
commit 4ee71b2017
1 changed files with 34 additions and 2 deletions
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36
net/bluetooth/mgmt.c
View file

@ -1526,6 +1526,14 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
key_count);
for (i = 0; i < key_count; i++) {
struct mgmt_link_key_info *key = &cp->keys[i];
if (key->addr.type != BDADDR_BREDR)
return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
MGMT_STATUS_INVALID_PARAMS);
}
hci_dev_lock(hdev);
hci_link_keys_clear(hdev);
@ -1573,12 +1581,17 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_conn *conn;
int err;
hci_dev_lock(hdev);
memset(&rp, 0, sizeof(rp));
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
rp.addr.type = cp->addr.type;
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS,
&rp, sizeof(rp));
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
@ -1643,6 +1656,10 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("");
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
@ -1947,6 +1964,11 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
rp.addr.type = cp->addr.type;
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS,
&rp, sizeof(rp));
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
@ -2564,6 +2586,10 @@ static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("%s", hdev->name);
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_status(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
@ -2589,6 +2615,10 @@ static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("%s", hdev->name);
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_status(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
@ -2707,6 +2737,8 @@ static bool ltk_is_valid(struct mgmt_ltk_info *key)
return false;
if (key->master != 0x00 && key->master != 0x01)
return false;
if (!bdaddr_type_is_le(key->addr.type))
return false;
return true;
}