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Bluetooth: Add support for trust verification of management commands

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Check the required trust level of each management command with the trust
level of the management socket. If it does not match up, then return the
newly introduced permission denied error.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2015-03-14 19:28:03 -07:00 committed by Johan Hedberg
parent 7aea8616cd
commit c927a10487
2 changed files with 8 additions and 0 deletions
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1
include/net/bluetooth/mgmt.h
View file

@ -44,6 +44,7 @@
#define MGMT_STATUS_INVALID_INDEX 0x11
#define MGMT_STATUS_RFKILLED 0x12
#define MGMT_STATUS_ALREADY_PAIRED 0x13
#define MGMT_STATUS_PERMISSION_DENIED 0x14
struct mgmt_hdr {
__le16 opcode;

7
net/bluetooth/mgmt.c
View file

@ -6379,6 +6379,13 @@ int mgmt_control(struct hci_mgmt_chan *chan, struct sock *sk,
handler = &chan->handlers[opcode];
if (!hci_sock_test_flag(sk, HCI_SOCK_TRUSTED) &&
!(handler->flags & HCI_MGMT_UNTRUSTED)) {
err = mgmt_cmd_status(sk, index, opcode,
MGMT_STATUS_PERMISSION_DENIED);
goto done;
}
if (index != MGMT_INDEX_NONE) {
hdev = hci_dev_get(index);
if (!hdev) {