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Bluetooth: Handle security level 4 for RFCOMM connections

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With the introduction of security level 4, the RFCOMM sockets need to
be made aware of this new level. This change ensures that the pairing
requirements are set correctly for these connections.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2014-01-15 22:37:41 -08:00 committed by Johan Hedberg
parent 7d513e9243
commit 2c068e0b92
3 changed files with 15 additions and 2 deletions
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1
include/net/bluetooth/rfcomm.h
View File

@ -295,6 +295,7 @@ struct rfcomm_conninfo {
#define RFCOMM_LM_TRUSTED 0x0008
#define RFCOMM_LM_RELIABLE 0x0010
#define RFCOMM_LM_SECURE 0x0020
#define RFCOMM_LM_FIPS 0x0040
#define rfcomm_pi(sk) ((struct rfcomm_pinfo *) sk)

4
net/bluetooth/rfcomm/core.c
View File

@ -216,6 +216,7 @@ static int rfcomm_check_security(struct rfcomm_dlc *d)
switch (d->sec_level) {
case BT_SECURITY_HIGH:
case BT_SECURITY_FIPS:
auth_type = HCI_AT_GENERAL_BONDING_MITM;
break;
case BT_SECURITY_MEDIUM:
@ -2085,7 +2086,8 @@ static void rfcomm_security_cfm(struct hci_conn *conn, u8 status, u8 encrypt)
set_bit(RFCOMM_SEC_PENDING, &d->flags);
rfcomm_dlc_set_timer(d, RFCOMM_AUTH_TIMEOUT);
continue;
} else if (d->sec_level == BT_SECURITY_HIGH) {
} else if (d->sec_level == BT_SECURITY_HIGH ||
d->sec_level == BT_SECURITY_FIPS) {
set_bit(RFCOMM_ENC_DROP, &d->flags);
continue;
}

12
net/bluetooth/rfcomm/sock.c
View File

@ -648,6 +648,11 @@ static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname, char __u
break;
}
if (opt & RFCOMM_LM_FIPS) {
err = -EINVAL;
break;
}
if (opt & RFCOMM_LM_AUTH)
rfcomm_pi(sk)->sec_level = BT_SECURITY_LOW;
if (opt & RFCOMM_LM_ENCRYPT)
@ -762,7 +767,11 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u
break;
case BT_SECURITY_HIGH:
opt = RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT |
RFCOMM_LM_SECURE;
RFCOMM_LM_SECURE;
break;
case BT_SECURITY_FIPS:
opt = RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT |
RFCOMM_LM_SECURE | RFCOMM_LM_FIPS;
break;
default:
opt = 0;
@ -774,6 +783,7 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u
if (put_user(opt, (u32 __user *) optval))
err = -EFAULT;
break;
case RFCOMM_CONNINFO: