mirror of
https://github.com/torvalds/linux.git
synced 2024-10-30 08:42:47 +00:00
Bluetooth: Allow L2CAP to increase the security level
Some incomming connections needs to increase the security level by requesting encryption for example (HID keyboard case). This change allows the userspace to change it through setsockopt with defer_setup enabled. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
parent
d45fc42323
commit
0bee1d60cb
@ -625,8 +625,13 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
|
||||
|
||||
chan->sec_level = sec.level;
|
||||
|
||||
if (!chan->conn)
|
||||
break;
|
||||
|
||||
conn = chan->conn;
|
||||
if (conn && chan->scid == L2CAP_CID_LE_DATA) {
|
||||
|
||||
/*change security for LE channels */
|
||||
if (chan->scid == L2CAP_CID_LE_DATA) {
|
||||
if (!conn->hcon->out) {
|
||||
err = -EINVAL;
|
||||
break;
|
||||
@ -634,9 +639,14 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
|
||||
|
||||
if (smp_conn_security(conn, sec.level))
|
||||
break;
|
||||
|
||||
err = 0;
|
||||
sk->sk_state = BT_CONFIG;
|
||||
|
||||
/* or for ACL link, under defer_setup time */
|
||||
} else if (sk->sk_state == BT_CONNECT2 &&
|
||||
bt_sk(sk)->defer_setup) {
|
||||
err = l2cap_chan_check_security(chan);
|
||||
} else {
|
||||
err = -EINVAL;
|
||||
}
|
||||
break;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user