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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [net/] [bluetooth/] [cmtp/] [sock.c] - Blame information for rev 3

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/*
   CMTP implementation for Linux Bluetooth stack (BlueZ).
   Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;
 
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
   SOFTWARE IS DISCLAIMED.
*/
 
#include <linux/module.h>
 
#include <linux/types.h>
#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/fcntl.h>
#include <linux/skbuff.h>
#include <linux/socket.h>
#include <linux/ioctl.h>
#include <linux/file.h>
#include <linux/compat.h>
#include <net/sock.h>
 
#include <linux/isdn/capilli.h>
 
#include <asm/system.h>
#include <asm/uaccess.h>
 
#include "cmtp.h"
 
#ifndef CONFIG_BT_CMTP_DEBUG
#undef  BT_DBG
#define BT_DBG(D...)
#endif
 
static int cmtp_sock_release(struct socket *sock)
{
        struct sock *sk = sock->sk;
 
        BT_DBG("sock %p sk %p", sock, sk);
 
        if (!sk)
                return 0;
 
        sock_orphan(sk);
        sock_put(sk);
 
        return 0;
}
 
static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
        struct cmtp_connadd_req ca;
        struct cmtp_conndel_req cd;
        struct cmtp_connlist_req cl;
        struct cmtp_conninfo ci;
        struct socket *nsock;
        void __user *argp = (void __user *)arg;
        int err;
 
        BT_DBG("cmd %x arg %lx", cmd, arg);
 
        switch (cmd) {
        case CMTPCONNADD:
                if (!capable(CAP_NET_ADMIN))
                        return -EACCES;
 
                if (copy_from_user(&ca, argp, sizeof(ca)))
                        return -EFAULT;
 
                nsock = sockfd_lookup(ca.sock, &err);
                if (!nsock)
                        return err;
 
                if (nsock->sk->sk_state != BT_CONNECTED) {
                        fput(nsock->file);
                        return -EBADFD;
                }
 
                err = cmtp_add_connection(&ca, nsock);
                if (!err) {
                        if (copy_to_user(argp, &ca, sizeof(ca)))
                                err = -EFAULT;
                } else
                        fput(nsock->file);
 
                return err;
 
        case CMTPCONNDEL:
                if (!capable(CAP_NET_ADMIN))
                        return -EACCES;
 
                if (copy_from_user(&cd, argp, sizeof(cd)))
                        return -EFAULT;
 
                return cmtp_del_connection(&cd);
 
        case CMTPGETCONNLIST:
                if (copy_from_user(&cl, argp, sizeof(cl)))
                        return -EFAULT;
 
                if (cl.cnum <= 0)
                        return -EINVAL;
 
                err = cmtp_get_connlist(&cl);
                if (!err && copy_to_user(argp, &cl, sizeof(cl)))
                        return -EFAULT;
 
                return err;
 
        case CMTPGETCONNINFO:
                if (copy_from_user(&ci, argp, sizeof(ci)))
                        return -EFAULT;
 
                err = cmtp_get_conninfo(&ci);
                if (!err && copy_to_user(argp, &ci, sizeof(ci)))
                        return -EFAULT;
 
                return err;
        }
 
        return -EINVAL;
}
 
#ifdef CONFIG_COMPAT
static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
        if (cmd == CMTPGETCONNLIST) {
                struct cmtp_connlist_req cl;
                uint32_t uci;
                int err;
 
                if (get_user(cl.cnum, (uint32_t __user *) arg) ||
                                get_user(uci, (u32 __user *) (arg + 4)))
                        return -EFAULT;
 
                cl.ci = compat_ptr(uci);
 
                if (cl.cnum <= 0)
                        return -EINVAL;
 
                err = cmtp_get_connlist(&cl);
 
                if (!err && put_user(cl.cnum, (uint32_t __user *) arg))
                        err = -EFAULT;
 
                return err;
        }
 
        return cmtp_sock_ioctl(sock, cmd, arg);
}
#endif
 
static const struct proto_ops cmtp_sock_ops = {
        .family         = PF_BLUETOOTH,
        .owner          = THIS_MODULE,
        .release        = cmtp_sock_release,
        .ioctl          = cmtp_sock_ioctl,
#ifdef CONFIG_COMPAT
        .compat_ioctl   = cmtp_sock_compat_ioctl,
#endif
        .bind           = sock_no_bind,
        .getname        = sock_no_getname,
        .sendmsg        = sock_no_sendmsg,
        .recvmsg        = sock_no_recvmsg,
        .poll           = sock_no_poll,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
        .setsockopt     = sock_no_setsockopt,
        .getsockopt     = sock_no_getsockopt,
        .connect        = sock_no_connect,
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .mmap           = sock_no_mmap
};
 
static struct proto cmtp_proto = {
        .name           = "CMTP",
        .owner          = THIS_MODULE,
        .obj_size       = sizeof(struct bt_sock)
};
 
static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol)
{
        struct sock *sk;
 
        BT_DBG("sock %p", sock);
 
        if (sock->type != SOCK_RAW)
                return -ESOCKTNOSUPPORT;
 
        sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto);
        if (!sk)
                return -ENOMEM;
 
        sock_init_data(sock, sk);
 
        sock->ops = &cmtp_sock_ops;
 
        sock->state = SS_UNCONNECTED;
 
        sock_reset_flag(sk, SOCK_ZAPPED);
 
        sk->sk_protocol = protocol;
        sk->sk_state    = BT_OPEN;
 
        return 0;
}
 
static struct net_proto_family cmtp_sock_family_ops = {
        .family = PF_BLUETOOTH,
        .owner  = THIS_MODULE,
        .create = cmtp_sock_create
};
 
int cmtp_init_sockets(void)
{
        int err;
 
        err = proto_register(&cmtp_proto, 0);
        if (err < 0)
                return err;
 
        err = bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);
        if (err < 0)
                goto error;
 
        return 0;
 
error:
        BT_ERR("Can't register CMTP socket");
        proto_unregister(&cmtp_proto);
        return err;
}
 
void cmtp_cleanup_sockets(void)
{
        if (bt_sock_unregister(BTPROTO_CMTP) < 0)
                BT_ERR("Can't unregister CMTP socket");
 
        proto_unregister(&cmtp_proto);
}

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Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [net/] [bluetooth/] [cmtp/] [sock.c] - Blame information for rev 3

Line No.	Rev	Author	Line
1	3	xianfeng	`/*`
2			`CMTP implementation for Linux Bluetooth stack (BlueZ).`
3			`Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>`
4
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;`
8
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.`
17
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.`
21			`*/`
22
23			`#include <linux/module.h>`
24
25			`#include <linux/types.h>`
26			`#include <linux/capability.h>`
27			`#include <linux/errno.h>`
28			`#include <linux/kernel.h>`
29			`#include <linux/slab.h>`
30			`#include <linux/poll.h>`
31			`#include <linux/fcntl.h>`
32			`#include <linux/skbuff.h>`
33			`#include <linux/socket.h>`
34			`#include <linux/ioctl.h>`
35			`#include <linux/file.h>`
36			`#include <linux/compat.h>`
37			`#include <net/sock.h>`
38
39			`#include <linux/isdn/capilli.h>`
40
41			`#include <asm/system.h>`
42			`#include <asm/uaccess.h>`
43
44			`#include "cmtp.h"`
45
46			`#ifndef CONFIG_BT_CMTP_DEBUG`
47			`#undef BT_DBG`
48			`#define BT_DBG(D...)`
49			`#endif`
50
51			`static int cmtp_sock_release(struct socket *sock)`
52			`{`
53			`struct sock *sk = sock->sk;`
54
55			`BT_DBG("sock %p sk %p", sock, sk);`
56
57			`if (!sk)`
58			`return 0;`
59
60			`sock_orphan(sk);`
61			`sock_put(sk);`
62
63			`return 0;`
64			`}`
65
66			`static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)`
67			`{`
68			`struct cmtp_connadd_req ca;`
69			`struct cmtp_conndel_req cd;`
70			`struct cmtp_connlist_req cl;`
71			`struct cmtp_conninfo ci;`
72			`struct socket *nsock;`
73			`void __user argp = (void __user )arg;`
74			`int err;`
75
76			`BT_DBG("cmd %x arg %lx", cmd, arg);`
77
78			`switch (cmd) {`
79			`case CMTPCONNADD:`
80			`if (!capable(CAP_NET_ADMIN))`
81			`return -EACCES;`
82
83			`if (copy_from_user(&ca, argp, sizeof(ca)))`
84			`return -EFAULT;`
85
86			`nsock = sockfd_lookup(ca.sock, &err);`
87			`if (!nsock)`
88			`return err;`
89
90			`if (nsock->sk->sk_state != BT_CONNECTED) {`
91			`fput(nsock->file);`
92			`return -EBADFD;`
93			`}`
94
95			`err = cmtp_add_connection(&ca, nsock);`
96			`if (!err) {`
97			`if (copy_to_user(argp, &ca, sizeof(ca)))`
98			`err = -EFAULT;`
99			`} else`
100			`fput(nsock->file);`
101
102			`return err;`
103
104			`case CMTPCONNDEL:`
105			`if (!capable(CAP_NET_ADMIN))`
106			`return -EACCES;`
107
108			`if (copy_from_user(&cd, argp, sizeof(cd)))`
109			`return -EFAULT;`
110
111			`return cmtp_del_connection(&cd);`
112
113			`case CMTPGETCONNLIST:`
114			`if (copy_from_user(&cl, argp, sizeof(cl)))`
115			`return -EFAULT;`
116
117			`if (cl.cnum <= 0)`
118			`return -EINVAL;`
119
120			`err = cmtp_get_connlist(&cl);`
121			`if (!err && copy_to_user(argp, &cl, sizeof(cl)))`
122			`return -EFAULT;`
123
124			`return err;`
125
126			`case CMTPGETCONNINFO:`
127			`if (copy_from_user(&ci, argp, sizeof(ci)))`
128			`return -EFAULT;`
129
130			`err = cmtp_get_conninfo(&ci);`
131			`if (!err && copy_to_user(argp, &ci, sizeof(ci)))`
132			`return -EFAULT;`
133
134			`return err;`
135			`}`
136
137			`return -EINVAL;`
138			`}`
139
140			`#ifdef CONFIG_COMPAT`
141			`static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)`
142			`{`
143			`if (cmd == CMTPGETCONNLIST) {`
144			`struct cmtp_connlist_req cl;`
145			`uint32_t uci;`
146			`int err;`
147
148			`if (get_user(cl.cnum, (uint32_t __user *) arg) \|\|`
149			`get_user(uci, (u32 __user *) (arg + 4)))`
150			`return -EFAULT;`
151
152			`cl.ci = compat_ptr(uci);`
153
154			`if (cl.cnum <= 0)`
155			`return -EINVAL;`
156
157			`err = cmtp_get_connlist(&cl);`
158
159			`if (!err && put_user(cl.cnum, (uint32_t __user *) arg))`
160			`err = -EFAULT;`
161
162			`return err;`
163			`}`
164
165			`return cmtp_sock_ioctl(sock, cmd, arg);`
166			`}`
167			`#endif`
168
169			`static const struct proto_ops cmtp_sock_ops = {`
170			`.family = PF_BLUETOOTH,`
171			`.owner = THIS_MODULE,`
172			`.release = cmtp_sock_release,`
173			`.ioctl = cmtp_sock_ioctl,`
174			`#ifdef CONFIG_COMPAT`
175			`.compat_ioctl = cmtp_sock_compat_ioctl,`
176			`#endif`
177			`.bind = sock_no_bind,`
178			`.getname = sock_no_getname,`
179			`.sendmsg = sock_no_sendmsg,`
180			`.recvmsg = sock_no_recvmsg,`
181			`.poll = sock_no_poll,`
182			`.listen = sock_no_listen,`
183			`.shutdown = sock_no_shutdown,`
184			`.setsockopt = sock_no_setsockopt,`
185			`.getsockopt = sock_no_getsockopt,`
186			`.connect = sock_no_connect,`
187			`.socketpair = sock_no_socketpair,`
188			`.accept = sock_no_accept,`
189			`.mmap = sock_no_mmap`
190			`};`
191
192			`static struct proto cmtp_proto = {`
193			`.name = "CMTP",`
194			`.owner = THIS_MODULE,`
195			`.obj_size = sizeof(struct bt_sock)`
196			`};`
197
198			`static int cmtp_sock_create(struct net net, struct socket sock, int protocol)`
199			`{`
200			`struct sock *sk;`
201
202			`BT_DBG("sock %p", sock);`
203
204			`if (sock->type != SOCK_RAW)`
205			`return -ESOCKTNOSUPPORT;`
206
207			`sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto);`
208			`if (!sk)`
209			`return -ENOMEM;`
210
211			`sock_init_data(sock, sk);`
212
213			`sock->ops = &cmtp_sock_ops;`
214
215			`sock->state = SS_UNCONNECTED;`
216
217			`sock_reset_flag(sk, SOCK_ZAPPED);`
218
219			`sk->sk_protocol = protocol;`
220			`sk->sk_state = BT_OPEN;`
221
222			`return 0;`
223			`}`
224
225			`static struct net_proto_family cmtp_sock_family_ops = {`
226			`.family = PF_BLUETOOTH,`
227			`.owner = THIS_MODULE,`
228			`.create = cmtp_sock_create`
229			`};`
230
231			`int cmtp_init_sockets(void)`
232			`{`
233			`int err;`
234
235			`err = proto_register(&cmtp_proto, 0);`
236			`if (err < 0)`
237			`return err;`
238
239			`err = bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);`
240			`if (err < 0)`
241			`goto error;`
242
243			`return 0;`
244
245			`error:`
246			`BT_ERR("Can't register CMTP socket");`
247			`proto_unregister(&cmtp_proto);`
248			`return err;`
249			`}`
250
251			`void cmtp_cleanup_sockets(void)`
252			`{`
253			`if (bt_sock_unregister(BTPROTO_CMTP) < 0)`
254			`BT_ERR("Can't unregister CMTP socket");`
255
256			`proto_unregister(&cmtp_proto);`
257			`}`