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;
76 BT_DBG("cmd %x arg %lx", cmd, arg);
80 if (!capable(CAP_NET_ADMIN))
83 if (copy_from_user(&ca, (void *) arg, sizeof(ca)))
86 nsock = sockfd_lookup(ca.sock, &err);
90 if (nsock->sk->sk_state != BT_CONNECTED) {
95 err = cmtp_add_connection(&ca, nsock);
97 if (copy_to_user((void *) arg, &ca, sizeof(ca)))
105 if (!capable(CAP_NET_ADMIN))
108 if (copy_from_user(&cd, (void *) arg, sizeof(cd)))
111 return cmtp_del_connection(&cd);
113 case CMTPGETCONNLIST:
114 if (copy_from_user(&cl, (void *) arg, sizeof(cl)))
120 err = cmtp_get_connlist(&cl);
121 if (!err && copy_to_user((void *) arg, &cl, sizeof(cl)))
126 case CMTPGETCONNINFO:
127 if (copy_from_user(&ci, (void *) arg, sizeof(ci)))
130 err = cmtp_get_conninfo(&ci);
131 if (!err && copy_to_user((void *) arg, &ci, sizeof(ci)))
140 static struct proto_ops cmtp_sock_ops = {
141 .family = PF_BLUETOOTH,
142 .owner = THIS_MODULE,
143 .release = cmtp_sock_release,
144 .ioctl = cmtp_sock_ioctl,
145 .bind = sock_no_bind,
146 .getname = sock_no_getname,
147 .sendmsg = sock_no_sendmsg,
148 .recvmsg = sock_no_recvmsg,
149 .poll = sock_no_poll,
150 .listen = sock_no_listen,
151 .shutdown = sock_no_shutdown,
152 .setsockopt = sock_no_setsockopt,
153 .getsockopt = sock_no_getsockopt,
154 .connect = sock_no_connect,
155 .socketpair = sock_no_socketpair,
156 .accept = sock_no_accept,
160 static int cmtp_sock_create(struct socket *sock, int protocol)
164 BT_DBG("sock %p", sock);
166 if (sock->type != SOCK_RAW)
167 return -ESOCKTNOSUPPORT;
169 if (!(sk = bt_sock_alloc(sock, PF_BLUETOOTH, 0, GFP_KERNEL)))
172 sk_set_owner(sk, THIS_MODULE);
174 sock->ops = &cmtp_sock_ops;
176 sock->state = SS_UNCONNECTED;
178 sk->sk_destruct = NULL;
179 sk->sk_protocol = protocol;
184 static struct net_proto_family cmtp_sock_family_ops = {
185 .family = PF_BLUETOOTH,
186 .owner = THIS_MODULE,
187 .create = cmtp_sock_create
190 int cmtp_init_sockets(void)
192 bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);
197 void cmtp_cleanup_sockets(void)
199 if (bt_sock_unregister(BTPROTO_CMTP))
200 BT_ERR("Can't unregister CMTP socket");