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author | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-02-04 04:52:55 (GMT) |
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committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-02-08 03:43:31 (GMT) |
commit | 99f4808db0c052f3c92a689ec2841618bf2ce14a (patch) | |
tree | 7cac9efa87d13303b978c091cbfd899d7085d2e4 /net/bluetooth/l2cap_sock.c | |
parent | 33575df7be6748292f88453f29319af6d639c5c8 (diff) | |
download | linux-fsl-qoriq-99f4808db0c052f3c92a689ec2841618bf2ce14a.tar.xz |
Bluetooth: move l2cap_sock_getsockopt() to l2cap_sock.c
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r-- | net/bluetooth/l2cap_sock.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 1bbe8a0..b7d5ae9 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -277,6 +277,151 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l return 0; } +static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen) +{ + struct sock *sk = sock->sk; + struct l2cap_options opts; + struct l2cap_conninfo cinfo; + int len, err = 0; + u32 opt; + + BT_DBG("sk %p", sk); + + if (get_user(len, optlen)) + return -EFAULT; + + lock_sock(sk); + + switch (optname) { + case L2CAP_OPTIONS: + opts.imtu = l2cap_pi(sk)->imtu; + opts.omtu = l2cap_pi(sk)->omtu; + opts.flush_to = l2cap_pi(sk)->flush_to; + opts.mode = l2cap_pi(sk)->mode; + opts.fcs = l2cap_pi(sk)->fcs; + opts.max_tx = l2cap_pi(sk)->max_tx; + opts.txwin_size = (__u16)l2cap_pi(sk)->tx_win; + + len = min_t(unsigned int, len, sizeof(opts)); + if (copy_to_user(optval, (char *) &opts, len)) + err = -EFAULT; + + break; + + case L2CAP_LM: + switch (l2cap_pi(sk)->sec_level) { + case BT_SECURITY_LOW: + opt = L2CAP_LM_AUTH; + break; + case BT_SECURITY_MEDIUM: + opt = L2CAP_LM_AUTH | L2CAP_LM_ENCRYPT; + break; + case BT_SECURITY_HIGH: + opt = L2CAP_LM_AUTH | L2CAP_LM_ENCRYPT | + L2CAP_LM_SECURE; + break; + default: + opt = 0; + break; + } + + if (l2cap_pi(sk)->role_switch) + opt |= L2CAP_LM_MASTER; + + if (l2cap_pi(sk)->force_reliable) + opt |= L2CAP_LM_RELIABLE; + + if (put_user(opt, (u32 __user *) optval)) + err = -EFAULT; + break; + + case L2CAP_CONNINFO: + if (sk->sk_state != BT_CONNECTED && + !(sk->sk_state == BT_CONNECT2 && + bt_sk(sk)->defer_setup)) { + err = -ENOTCONN; + break; + } + + cinfo.hci_handle = l2cap_pi(sk)->conn->hcon->handle; + memcpy(cinfo.dev_class, l2cap_pi(sk)->conn->hcon->dev_class, 3); + + len = min_t(unsigned int, len, sizeof(cinfo)); + if (copy_to_user(optval, (char *) &cinfo, len)) + err = -EFAULT; + + break; + + default: + err = -ENOPROTOOPT; + break; + } + + release_sock(sk); + return err; +} + +static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) +{ + struct sock *sk = sock->sk; + struct bt_security sec; + int len, err = 0; + + BT_DBG("sk %p", sk); + + if (level == SOL_L2CAP) + return l2cap_sock_getsockopt_old(sock, optname, optval, optlen); + + if (level != SOL_BLUETOOTH) + return -ENOPROTOOPT; + + if (get_user(len, optlen)) + return -EFAULT; + + lock_sock(sk); + + switch (optname) { + case BT_SECURITY: + if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM + && sk->sk_type != SOCK_RAW) { + err = -EINVAL; + break; + } + + sec.level = l2cap_pi(sk)->sec_level; + + len = min_t(unsigned int, len, sizeof(sec)); + if (copy_to_user(optval, (char *) &sec, len)) + err = -EFAULT; + + break; + + case BT_DEFER_SETUP: + if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) { + err = -EINVAL; + break; + } + + if (put_user(bt_sk(sk)->defer_setup, (u32 __user *) optval)) + err = -EFAULT; + + break; + + case BT_FLUSHABLE: + if (put_user(l2cap_pi(sk)->flushable, (u32 __user *) optval)) + err = -EFAULT; + + break; + + default: + err = -ENOPROTOOPT; + break; + } + + release_sock(sk); + return err; +} + static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; |