Bluetooth: Restrict long term keys to public and static addresses (490cb0b3) · Commits · 戴 / test

The long term keys should be associated with an identity address. Valid identity addresses are public addresses or static addresses. So only allow these two as valid address information for long term keys. Signed-off-by:

Marcel Holtmann <marcel@holtmann.org> Signed-off-by:

Johan Hedberg <johan.hedberg@intel.com>

net/bluetooth/mgmt.c

+13 −3

Original line number	Diff line number	Diff line
		@@ -4162,11 +4162,21 @@ static bool ltk_is_valid(struct mgmt_ltk_info *key)
		{
		if (key->master != 0x00 && key->master != 0x01)
		return false;
		if (!bdaddr_type_is_le(key->addr.type))

		switch (key->addr.type) {
		case BDADDR_LE_PUBLIC:
		return true;

		case BDADDR_LE_RANDOM:
		/* Two most significant bits shall be set */
		if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
		return false;
		return true;
		}

		return false;
		}

		static int load_long_term_keys(struct sock sk, struct hci_dev hdev,
		void *cp_data, u16 len)
		{

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