2 BNEP implementation for Linux Bluetooth stack (BlueZ).
3 Copyright (C) 2001-2002 Inventel Systemes
5 David Libault <david.libault@inventel.fr>
7 Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License version 2 as
11 published by the Free Software Foundation;
13 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
14 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
16 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
17 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
18 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
23 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
24 SOFTWARE IS DISCLAIMED.
28 * $Id: sock.c,v 1.4 2002/08/04 21:23:58 maxk Exp $
31 #include <linux/module.h>
33 #include <linux/types.h>
34 #include <linux/capability.h>
35 #include <linux/errno.h>
36 #include <linux/kernel.h>
37 #include <linux/slab.h>
38 #include <linux/poll.h>
39 #include <linux/fcntl.h>
40 #include <linux/skbuff.h>
41 #include <linux/socket.h>
42 #include <linux/ioctl.h>
43 #include <linux/file.h>
44 #include <linux/init.h>
45 #include <linux/compat.h>
48 #include <asm/system.h>
49 #include <asm/uaccess.h>
53 #ifndef CONFIG_BT_BNEP_DEBUG
55 #define BT_DBG( A... )
58 static int bnep_sock_release(struct socket *sock)
60 struct sock *sk = sock->sk;
62 BT_DBG("sock %p sk %p", sock, sk);
72 static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
74 struct bnep_connlist_req cl;
75 struct bnep_connadd_req ca;
76 struct bnep_conndel_req cd;
77 struct bnep_conninfo ci;
79 void __user *argp = (void __user *)arg;
82 BT_DBG("cmd %x arg %lx", cmd, arg);
86 if (!capable(CAP_NET_ADMIN))
89 if (copy_from_user(&ca, argp, sizeof(ca)))
92 nsock = sockfd_lookup(ca.sock, &err);
96 if (nsock->sk->sk_state != BT_CONNECTED) {
101 err = bnep_add_connection(&ca, nsock);
103 if (copy_to_user(argp, &ca, sizeof(ca)))
111 if (!capable(CAP_NET_ADMIN))
114 if (copy_from_user(&cd, argp, sizeof(cd)))
117 return bnep_del_connection(&cd);
119 case BNEPGETCONNLIST:
120 if (copy_from_user(&cl, argp, sizeof(cl)))
126 err = bnep_get_connlist(&cl);
127 if (!err && copy_to_user(argp, &cl, sizeof(cl)))
132 case BNEPGETCONNINFO:
133 if (copy_from_user(&ci, argp, sizeof(ci)))
136 err = bnep_get_conninfo(&ci);
137 if (!err && copy_to_user(argp, &ci, sizeof(ci)))
150 static int bnep_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
152 if (cmd == BNEPGETCONNLIST) {
153 struct bnep_connlist_req cl;
157 if (get_user(cl.cnum, (uint32_t __user *) arg) ||
158 get_user(uci, (u32 __user *) (arg + 4)))
161 cl.ci = compat_ptr(uci);
166 err = bnep_get_connlist(&cl);
168 if (!err && put_user(cl.cnum, (uint32_t __user *) arg))
174 return bnep_sock_ioctl(sock, cmd, arg);
178 static const struct proto_ops bnep_sock_ops = {
179 .family = PF_BLUETOOTH,
180 .owner = THIS_MODULE,
181 .release = bnep_sock_release,
182 .ioctl = bnep_sock_ioctl,
184 .compat_ioctl = bnep_sock_compat_ioctl,
186 .bind = sock_no_bind,
187 .getname = sock_no_getname,
188 .sendmsg = sock_no_sendmsg,
189 .recvmsg = sock_no_recvmsg,
190 .poll = sock_no_poll,
191 .listen = sock_no_listen,
192 .shutdown = sock_no_shutdown,
193 .setsockopt = sock_no_setsockopt,
194 .getsockopt = sock_no_getsockopt,
195 .connect = sock_no_connect,
196 .socketpair = sock_no_socketpair,
197 .accept = sock_no_accept,
201 static struct proto bnep_proto = {
203 .owner = THIS_MODULE,
204 .obj_size = sizeof(struct bt_sock)
207 static int bnep_sock_create(struct socket *sock, int protocol)
211 BT_DBG("sock %p", sock);
213 if (sock->type != SOCK_RAW)
214 return -ESOCKTNOSUPPORT;
216 sk = sk_alloc(PF_BLUETOOTH, GFP_ATOMIC, &bnep_proto, 1);
220 sock_init_data(sock, sk);
222 sock->ops = &bnep_sock_ops;
224 sock->state = SS_UNCONNECTED;
226 sock_reset_flag(sk, SOCK_ZAPPED);
228 sk->sk_protocol = protocol;
229 sk->sk_state = BT_OPEN;
234 static struct net_proto_family bnep_sock_family_ops = {
235 .family = PF_BLUETOOTH,
236 .owner = THIS_MODULE,
237 .create = bnep_sock_create
240 int __init bnep_sock_init(void)
244 err = proto_register(&bnep_proto, 0);
248 err = bt_sock_register(BTPROTO_BNEP, &bnep_sock_family_ops);
255 BT_ERR("Can't register BNEP socket");
256 proto_unregister(&bnep_proto);
260 int __exit bnep_sock_cleanup(void)
262 if (bt_sock_unregister(BTPROTO_BNEP) < 0)
263 BT_ERR("Can't unregister BNEP socket");
265 proto_unregister(&bnep_proto);