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/config.h>
32 #include <linux/module.h>
34 #include <linux/types.h>
35 #include <linux/capability.h>
36 #include <linux/errno.h>
37 #include <linux/kernel.h>
38 #include <linux/sched.h>
39 #include <linux/slab.h>
40 #include <linux/poll.h>
41 #include <linux/fcntl.h>
42 #include <linux/skbuff.h>
43 #include <linux/socket.h>
44 #include <linux/ioctl.h>
45 #include <linux/file.h>
46 #include <linux/init.h>
47 #include <linux/compat.h>
50 #include <asm/system.h>
51 #include <asm/uaccess.h>
55 #ifndef CONFIG_BT_BNEP_DEBUG
57 #define BT_DBG( A... )
60 static int bnep_sock_release(struct socket *sock)
62 struct sock *sk = sock->sk;
64 BT_DBG("sock %p sk %p", sock, sk);
74 static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
76 struct bnep_connlist_req cl;
77 struct bnep_connadd_req ca;
78 struct bnep_conndel_req cd;
79 struct bnep_conninfo ci;
81 void __user *argp = (void __user *)arg;
84 BT_DBG("cmd %x arg %lx", cmd, arg);
88 if (!capable(CAP_NET_ADMIN))
91 if (copy_from_user(&ca, argp, sizeof(ca)))
94 nsock = sockfd_lookup(ca.sock, &err);
98 if (nsock->sk->sk_state != BT_CONNECTED) {
103 err = bnep_add_connection(&ca, nsock);
105 if (copy_to_user(argp, &ca, sizeof(ca)))
113 if (!capable(CAP_NET_ADMIN))
116 if (copy_from_user(&cd, argp, sizeof(cd)))
119 return bnep_del_connection(&cd);
121 case BNEPGETCONNLIST:
122 if (copy_from_user(&cl, argp, sizeof(cl)))
128 err = bnep_get_connlist(&cl);
129 if (!err && copy_to_user(argp, &cl, sizeof(cl)))
134 case BNEPGETCONNINFO:
135 if (copy_from_user(&ci, argp, sizeof(ci)))
138 err = bnep_get_conninfo(&ci);
139 if (!err && copy_to_user(argp, &ci, sizeof(ci)))
152 static int bnep_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
154 if (cmd == BNEPGETCONNLIST) {
155 struct bnep_connlist_req cl;
159 if (get_user(cl.cnum, (uint32_t __user *) arg) ||
160 get_user(uci, (u32 __user *) (arg + 4)))
163 cl.ci = compat_ptr(uci);
168 err = bnep_get_connlist(&cl);
170 if (!err && put_user(cl.cnum, (uint32_t __user *) arg))
176 return bnep_sock_ioctl(sock, cmd, arg);
180 static const struct proto_ops bnep_sock_ops = {
181 .family = PF_BLUETOOTH,
182 .owner = THIS_MODULE,
183 .release = bnep_sock_release,
184 .ioctl = bnep_sock_ioctl,
186 .compat_ioctl = bnep_sock_compat_ioctl,
188 .bind = sock_no_bind,
189 .getname = sock_no_getname,
190 .sendmsg = sock_no_sendmsg,
191 .recvmsg = sock_no_recvmsg,
192 .poll = sock_no_poll,
193 .listen = sock_no_listen,
194 .shutdown = sock_no_shutdown,
195 .setsockopt = sock_no_setsockopt,
196 .getsockopt = sock_no_getsockopt,
197 .connect = sock_no_connect,
198 .socketpair = sock_no_socketpair,
199 .accept = sock_no_accept,
203 static struct proto bnep_proto = {
205 .owner = THIS_MODULE,
206 .obj_size = sizeof(struct bt_sock)
209 static int bnep_sock_create(struct socket *sock, int protocol)
213 BT_DBG("sock %p", sock);
215 if (sock->type != SOCK_RAW)
216 return -ESOCKTNOSUPPORT;
218 sk = sk_alloc(PF_BLUETOOTH, GFP_KERNEL, &bnep_proto, 1);
222 sock_init_data(sock, sk);
224 sock->ops = &bnep_sock_ops;
226 sock->state = SS_UNCONNECTED;
228 sock_reset_flag(sk, SOCK_ZAPPED);
230 sk->sk_protocol = protocol;
231 sk->sk_state = BT_OPEN;
236 static struct net_proto_family bnep_sock_family_ops = {
237 .family = PF_BLUETOOTH,
238 .owner = THIS_MODULE,
239 .create = bnep_sock_create
242 int __init bnep_sock_init(void)
246 err = proto_register(&bnep_proto, 0);
250 err = bt_sock_register(BTPROTO_BNEP, &bnep_sock_family_ops);
257 BT_ERR("Can't register BNEP socket");
258 proto_unregister(&bnep_proto);
262 int __exit bnep_sock_cleanup(void)
264 if (bt_sock_unregister(BTPROTO_BNEP) < 0)
265 BT_ERR("Can't unregister BNEP socket");
267 proto_unregister(&bnep_proto);