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authorMarcel Holtmann <marcel@holtmann.org>2013-10-12 07:19:31 -0700
committerJohan Hedberg <johan.hedberg@intel.com>2013-10-12 17:29:39 +0300
commit6a974b50a1b0909803faac3c3228f7c1339d9971 (patch)
tree6ba32edfe0246d7e092bb3d0d31a64e615ccf289
parent43b1b8dfb4fa326d89aa5930f88b943cc410cbfa (diff)
downloadwl12xx-6a974b50a1b0909803faac3c3228f7c1339d9971.tar.gz
Bluetooth: Limit security mode 4 level 0 to connection oriented channels
The exception for certain PSM channels when it comes to security mode 4 level 0 should only be checked when actually a connection oriented channel is established. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
-rw-r--r--net/bluetooth/l2cap_core.c24
-rw-r--r--net/bluetooth/l2cap_sock.c10
2 files changed, 22 insertions, 12 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index ab976a1c64662..cc51cb860c405 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -677,7 +677,8 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
{
- if (chan->chan_type == L2CAP_CHAN_RAW) {
+ switch (chan->chan_type) {
+ case L2CAP_CHAN_RAW:
switch (chan->sec_level) {
case BT_SECURITY_HIGH:
return HCI_AT_DEDICATED_BONDING_MITM;
@@ -686,15 +687,19 @@ static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
default:
return HCI_AT_NO_BONDING;
}
- } else if (chan->psm == __constant_cpu_to_le16(L2CAP_PSM_SDP)) {
- if (chan->sec_level == BT_SECURITY_LOW)
- chan->sec_level = BT_SECURITY_SDP;
+ break;
+ case L2CAP_CHAN_CONN_ORIENTED:
+ if (chan->psm == __constant_cpu_to_le16(L2CAP_PSM_SDP)) {
+ if (chan->sec_level == BT_SECURITY_LOW)
+ chan->sec_level = BT_SECURITY_SDP;
- if (chan->sec_level == BT_SECURITY_HIGH)
- return HCI_AT_NO_BONDING_MITM;
- else
- return HCI_AT_NO_BONDING;
- } else {
+ if (chan->sec_level == BT_SECURITY_HIGH)
+ return HCI_AT_NO_BONDING_MITM;
+ else
+ return HCI_AT_NO_BONDING;
+ }
+ /* fall through */
+ default:
switch (chan->sec_level) {
case BT_SECURITY_HIGH:
return HCI_AT_GENERAL_BONDING_MITM;
@@ -703,6 +708,7 @@ static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
default:
return HCI_AT_NO_BONDING;
}
+ break;
}
}
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 69e42db8a7070..bee98ebfae4d9 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -100,9 +100,13 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
if (err < 0)
goto done;
- if (__le16_to_cpu(la.l2_psm) == L2CAP_PSM_SDP ||
- __le16_to_cpu(la.l2_psm) == L2CAP_PSM_RFCOMM)
- chan->sec_level = BT_SECURITY_SDP;
+ switch (chan->chan_type) {
+ case L2CAP_CHAN_CONN_ORIENTED:
+ if (__le16_to_cpu(la.l2_psm) == L2CAP_PSM_SDP ||
+ __le16_to_cpu(la.l2_psm) == L2CAP_PSM_RFCOMM)
+ chan->sec_level = BT_SECURITY_SDP;
+ break;
+ }
bacpy(&bt_sk(sk)->src, &la.l2_bdaddr);