| Message ID | CAOxioNnvHMgHyVxbt2Oj+FeHcOT8MdxYtuv_s0PPd_YzkvuxGg@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | Bluetooth: Always request for user confirmation for Just Works | expand |
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 1476a91ce935..d0b695ee49f6 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -855,6 +855,7 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, struct smp_chan *smp = chan->data; u32 passkey = 0; int ret = 0; + int err; /* Initialize key for JUST WORKS */
To improve security, always give the user-space daemon a chance to accept or reject a Just Works pairing (LE). The daemon may decide to auto-accept based on the user's intent. Signed-off-by: Sonny Sasaka <sonnysasaka@chromium.org> --- net/bluetooth/smp.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) memset(smp->tk, 0, sizeof(smp->tk)); @@ -883,9 +884,16 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, hcon->io_capability == HCI_IO_NO_INPUT_OUTPUT) smp->method = JUST_WORKS; - /* If Just Works, Continue with Zero TK */ + /* If Just Works, Continue with Zero TK and ask user-space for + * confirmation */ if (smp->method == JUST_WORKS) { - set_bit(SMP_FLAG_TK_VALID, &smp->flags); + err = mgmt_user_confirm_request(hcon->hdev, &hcon->dst, + hcon->type, + hcon->dst_type, + passkey, 1); + if (err) + return SMP_UNSPECIFIED; + set_bit(SMP_FLAG_WAIT_USER, &smp->flags); return 0; }