diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-09-10 17:37:44 -0700 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-09-11 02:45:24 +0200 |
| commit | 1afc2a1ab6612dcc3f26db7ca1afba9cff359f1c (patch) | |
| tree | 732c2a96faeefeb35a72e89c0b1ee3fe8f3ece47 /net/bluetooth/smp.c | |
| parent | 24bd0bd94e0947e257c5cd6a85b0e337d953e79c (diff) | |
| download | lwn-1afc2a1ab6612dcc3f26db7ca1afba9cff359f1c.tar.gz lwn-1afc2a1ab6612dcc3f26db7ca1afba9cff359f1c.zip | |
Bluetooth: Fix SMP security level when we have no IO capabilities
When the local IO capability is NoInputNoOutput any attempt to convert
the remote authentication requirement to a target security level is
futile. This patch makes sure that we set the target security level at
most to MEDIUM if the local IO capability is NoInputNoOutput.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/smp.c')
| -rw-r--r-- | net/bluetooth/smp.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index be8371b4eb63..a08b077cb725 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -959,7 +959,11 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) memcpy(&smp->preq[1], req, sizeof(*req)); skb_pull(skb, sizeof(*req)); - sec_level = authreq_to_seclevel(auth); + if (conn->hcon->io_capability == 0x03) + sec_level = BT_SECURITY_MEDIUM; + else + sec_level = authreq_to_seclevel(auth); + if (sec_level > conn->hcon->pending_sec_level) conn->hcon->pending_sec_level = sec_level; @@ -1165,7 +1169,11 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) auth = rp->auth_req & AUTH_REQ_MASK; - sec_level = authreq_to_seclevel(auth); + if (hcon->io_capability == 0x03) + sec_level = BT_SECURITY_MEDIUM; + else + sec_level = authreq_to_seclevel(auth); + if (smp_sufficient_security(hcon, sec_level)) return 0; |