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Bluetooth: Verify Signed Write GATT command

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Verify that message is signed correctly using early distributed CSRK
key.

Change-Id: I30b24e90f3503907449c310dd4f59f32e6acca6f
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
This commit is contained in:
Andrei Emeltchenko 2015-07-31 11:23:18 +03:00 • committed by Anas Nashif
commit 8e48fa3fa4
1 changed files with 8 additions and 1 deletions
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9
net/bluetooth/att.c
View file

@ -48,6 +48,7 @@
#include "hci_core.h"
#include "conn_internal.h"
#include "l2cap.h"
#include "smp.h"
#include "att.h"
#if !defined(CONFIG_BLUETOOTH_DEBUG_ATT)
@ -1163,6 +1164,7 @@ static uint8_t att_signed_write_cmd(struct bt_conn *conn, struct bt_buf *data)
{
struct bt_att_signed_write_cmd *req;
uint16_t handle;
int err;
req = (void *)data->data;
@ -1171,7 +1173,12 @@ static uint8_t att_signed_write_cmd(struct bt_conn *conn, struct bt_buf *data)
BT_DBG("handle 0x%04x\n", handle);
/* TODO: Validate signature */
err = bt_smp_sign_verify(conn, data);
if (err) {
BT_ERR("Error verifying data\n");
/* No response for this command */
return 0;
}
return att_write_rsp(conn, 0, 0, handle, 0, data->data,
data->len - sizeof(struct bt_att_signature));