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path: root/net/bluetooth/l2cap_sock.c
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Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c52
1 files changed, 28 insertions, 24 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 50437c665d1e..612955679b34 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -51,7 +51,7 @@ static void l2cap_sock_timeout(unsigned long arg)
if (sk->sk_state == BT_CONNECTED || sk->sk_state == BT_CONFIG)
reason = ECONNREFUSED;
else if (sk->sk_state == BT_CONNECT &&
- l2cap_pi(sk)->sec_level != BT_SECURITY_SDP)
+ l2cap_pi(sk)->chan->sec_level != BT_SECURITY_SDP)
reason = ECONNREFUSED;
else
reason = ETIMEDOUT;
@@ -91,6 +91,7 @@ found:
static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
{
struct sock *sk = sock->sk;
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct sockaddr_l2 la;
int len, err = 0;
@@ -142,7 +143,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
__le16_to_cpu(la.l2_psm) == 0x0003)
- l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
+ chan->sec_level = BT_SECURITY_SDP;
}
if (la.l2_cid)
@@ -382,6 +383,7 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct l2cap_options opts;
struct l2cap_conninfo cinfo;
int len, err = 0;
@@ -412,7 +414,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
break;
case L2CAP_LM:
- switch (l2cap_pi(sk)->sec_level) {
+ switch (chan->sec_level) {
case BT_SECURITY_LOW:
opt = L2CAP_LM_AUTH;
break;
@@ -428,10 +430,10 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
break;
}
- if (l2cap_pi(sk)->role_switch)
+ if (chan->role_switch)
opt |= L2CAP_LM_MASTER;
- if (l2cap_pi(sk)->force_reliable)
+ if (chan->force_reliable)
opt |= L2CAP_LM_RELIABLE;
if (put_user(opt, (u32 __user *) optval))
@@ -467,6 +469,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct bt_security sec;
int len, err = 0;
@@ -491,7 +494,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
break;
}
- sec.level = l2cap_pi(sk)->sec_level;
+ sec.level = chan->sec_level;
len = min_t(unsigned int, len, sizeof(sec));
if (copy_to_user(optval, (char *) &sec, len))
@@ -511,7 +514,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
break;
case BT_FLUSHABLE:
- if (put_user(l2cap_pi(sk)->flushable, (u32 __user *) optval))
+ if (put_user(chan->flushable, (u32 __user *) optval))
err = -EFAULT;
break;
@@ -592,14 +595,14 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
}
if (opt & L2CAP_LM_AUTH)
- l2cap_pi(sk)->sec_level = BT_SECURITY_LOW;
+ chan->sec_level = BT_SECURITY_LOW;
if (opt & L2CAP_LM_ENCRYPT)
- l2cap_pi(sk)->sec_level = BT_SECURITY_MEDIUM;
+ chan->sec_level = BT_SECURITY_MEDIUM;
if (opt & L2CAP_LM_SECURE)
- l2cap_pi(sk)->sec_level = BT_SECURITY_HIGH;
+ chan->sec_level = BT_SECURITY_HIGH;
- l2cap_pi(sk)->role_switch = (opt & L2CAP_LM_MASTER);
- l2cap_pi(sk)->force_reliable = (opt & L2CAP_LM_RELIABLE);
+ chan->role_switch = (opt & L2CAP_LM_MASTER);
+ chan->force_reliable = (opt & L2CAP_LM_RELIABLE);
break;
default:
@@ -614,6 +617,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct bt_security sec;
int len, err = 0;
u32 opt;
@@ -650,7 +654,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
break;
}
- l2cap_pi(sk)->sec_level = sec.level;
+ chan->sec_level = sec.level;
break;
case BT_DEFER_SETUP:
@@ -688,7 +692,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
}
}
- l2cap_pi(sk)->flushable = opt;
+ chan->flushable = opt;
break;
default:
@@ -730,7 +734,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
} else {
- l2cap_do_send(sk, skb);
+ l2cap_do_send(pi->chan, skb);
err = len;
}
goto done;
@@ -751,7 +755,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
goto done;
}
- l2cap_do_send(sk, skb);
+ l2cap_do_send(pi->chan, skb);
err = len;
break;
@@ -997,10 +1001,10 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
pi->fcs = l2cap_pi(parent)->fcs;
pi->max_tx = l2cap_pi(parent)->max_tx;
pi->tx_win = l2cap_pi(parent)->tx_win;
- pi->sec_level = l2cap_pi(parent)->sec_level;
- pi->role_switch = l2cap_pi(parent)->role_switch;
- pi->force_reliable = l2cap_pi(parent)->force_reliable;
- pi->flushable = l2cap_pi(parent)->flushable;
+ chan->sec_level = pchan->sec_level;
+ chan->role_switch = pchan->role_switch;
+ chan->force_reliable = pchan->force_reliable;
+ chan->flushable = pchan->flushable;
} else {
pi->imtu = L2CAP_DEFAULT_MTU;
pi->omtu = 0;
@@ -1013,10 +1017,10 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
pi->max_tx = L2CAP_DEFAULT_MAX_TX;
pi->fcs = L2CAP_FCS_CRC16;
pi->tx_win = L2CAP_DEFAULT_TX_WINDOW;
- pi->sec_level = BT_SECURITY_LOW;
- pi->role_switch = 0;
- pi->force_reliable = 0;
- pi->flushable = BT_FLUSHABLE_OFF;
+ chan->sec_level = BT_SECURITY_LOW;
+ chan->role_switch = 0;
+ chan->force_reliable = 0;
+ chan->flushable = BT_FLUSHABLE_OFF;
}
/* Default config options */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.