2 CMTP implementation for Linux Bluetooth stack (BlueZ).
3 Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License version 2 as
7 published by the Free Software Foundation;
9 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
10 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
11 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
12 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
13 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
14 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
19 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
20 SOFTWARE IS DISCLAIMED.
23 #include <linux/config.h>
24 #include <linux/module.h>
26 #include <linux/types.h>
27 #include <linux/errno.h>
28 #include <linux/kernel.h>
29 #include <linux/major.h>
30 #include <linux/sched.h>
31 #include <linux/slab.h>
32 #include <linux/poll.h>
33 #include <linux/fcntl.h>
34 #include <linux/skbuff.h>
35 #include <linux/socket.h>
36 #include <linux/ioctl.h>
37 #include <linux/file.h>
40 #include <linux/isdn/capilli.h>
42 #include <asm/system.h>
43 #include <asm/uaccess.h>
47 #ifndef CONFIG_BT_CMTP_DEBUG
52 static int cmtp_sock_release(struct socket *sock)
54 struct sock *sk = sock->sk;
56 BT_DBG("sock %p sk %p", sock, sk);
67 static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
69 struct cmtp_connadd_req ca;
70 struct cmtp_conndel_req cd;
71 struct cmtp_connlist_req cl;
72 struct cmtp_conninfo ci;
74 void __user *argp = (void __user *)arg;
77 BT_DBG("cmd %x arg %lx", cmd, arg);
81 if (!capable(CAP_NET_ADMIN))
84 if (copy_from_user(&ca, argp, sizeof(ca)))
87 nsock = sockfd_lookup(ca.sock, &err);
91 if (nsock->sk->sk_state != BT_CONNECTED) {
96 err = cmtp_add_connection(&ca, nsock);
98 if (copy_to_user(argp, &ca, sizeof(ca)))
106 if (!capable(CAP_NET_ADMIN))
109 if (copy_from_user(&cd, argp, sizeof(cd)))
112 return cmtp_del_connection(&cd);
114 case CMTPGETCONNLIST:
115 if (copy_from_user(&cl, argp, sizeof(cl)))
121 err = cmtp_get_connlist(&cl);
122 if (!err && copy_to_user(argp, &cl, sizeof(cl)))
127 case CMTPGETCONNINFO:
128 if (copy_from_user(&ci, argp, sizeof(ci)))
131 err = cmtp_get_conninfo(&ci);
132 if (!err && copy_to_user(argp, &ci, sizeof(ci)))
141 static struct proto_ops cmtp_sock_ops = {
142 .family = PF_BLUETOOTH,
143 .owner = THIS_MODULE,
144 .release = cmtp_sock_release,
145 .ioctl = cmtp_sock_ioctl,
146 .bind = sock_no_bind,
147 .getname = sock_no_getname,
148 .sendmsg = sock_no_sendmsg,
149 .recvmsg = sock_no_recvmsg,
150 .poll = sock_no_poll,
151 .listen = sock_no_listen,
152 .shutdown = sock_no_shutdown,
153 .setsockopt = sock_no_setsockopt,
154 .getsockopt = sock_no_getsockopt,
155 .connect = sock_no_connect,
156 .socketpair = sock_no_socketpair,
157 .accept = sock_no_accept,
161 static int cmtp_sock_create(struct socket *sock, int protocol)
165 BT_DBG("sock %p", sock);
167 if (sock->type != SOCK_RAW)
168 return -ESOCKTNOSUPPORT;
170 if (!(sk = bt_sock_alloc(sock, PF_BLUETOOTH, 0, GFP_KERNEL)))
173 sk_set_owner(sk, THIS_MODULE);
175 sock->ops = &cmtp_sock_ops;
177 sock->state = SS_UNCONNECTED;
179 sk->sk_destruct = NULL;
180 sk->sk_protocol = protocol;
185 static struct net_proto_family cmtp_sock_family_ops = {
186 .family = PF_BLUETOOTH,
187 .owner = THIS_MODULE,
188 .create = cmtp_sock_create
191 int cmtp_init_sockets(void)
193 bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);
198 void cmtp_cleanup_sockets(void)
200 if (bt_sock_unregister(BTPROTO_CMTP))
201 BT_ERR("Can't unregister CMTP socket");