patch-2.4.22 linux-2.4.22/net/bluetooth/cmtp/sock.c
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- Lines: 237
- Date:
2003-08-25 04:44:44.000000000 -0700
- Orig file:
linux-2.4.21/net/bluetooth/cmtp/sock.c
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/net/bluetooth/cmtp/sock.c linux-2.4.22/net/bluetooth/cmtp/sock.c
@@ -0,0 +1,236 @@
+/*
+ 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/config.h>
+#include <linux/module.h>
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/sched.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 <net/sock.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+
+#include "cmtp.h"
+
+#ifndef CONFIG_BLUEZ_CMTP_DEBUG
+#undef BT_DBG
+#define BT_DBG(D...)
+#endif
+
+static inline struct socket *socki_lookup(struct inode *inode)
+{
+ return &inode->u.socket_i;
+}
+
+static struct socket *sockfd_lookup(int fd, int *err)
+{
+ struct file *file;
+ struct inode *inode;
+ struct socket *sock;
+
+ if (!(file = fget(fd))) {
+ *err = -EBADF;
+ return NULL;
+ }
+
+ inode = file->f_dentry->d_inode;
+ if (!inode->i_sock || !(sock = socki_lookup(inode))) {
+ *err = -ENOTSOCK;
+ fput(file);
+ return NULL;
+ }
+
+ if (sock->file != file) {
+ printk(KERN_ERR "socki_lookup: socket file changed!\n");
+ sock->file = file;
+ }
+ return sock;
+}
+
+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);
+
+ MOD_DEC_USE_COUNT;
+ 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;
+ 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, (void *) arg, sizeof(ca)))
+ return -EFAULT;
+
+ nsock = sockfd_lookup(ca.sock, &err);
+ if (!nsock)
+ return err;
+
+ if (nsock->sk->state != BT_CONNECTED)
+ return -EBADFD;
+
+ err = cmtp_add_connection(&ca, nsock);
+ if (!err) {
+ if (copy_to_user((void *) arg, &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, (void *) arg, sizeof(cd)))
+ return -EFAULT;
+
+ return cmtp_del_connection(&cd);
+
+ case CMTPGETCONNLIST:
+ if (copy_from_user(&cl, (void *) arg, sizeof(cl)))
+ return -EFAULT;
+
+ if (cl.cnum <= 0)
+ return -EINVAL;
+
+ err = cmtp_get_connlist(&cl);
+ if (!err && copy_to_user((void *) arg, &cl, sizeof(cl)))
+ return -EFAULT;
+
+ return err;
+
+ case CMTPGETCONNINFO:
+ if (copy_from_user(&ci, (void *) arg, sizeof(ci)))
+ return -EFAULT;
+
+ err = cmtp_get_conninfo(&ci);
+ if (!err && copy_to_user((void *) arg, &ci, sizeof(ci)))
+ return -EFAULT;
+
+ return err;
+ }
+
+ return -EINVAL;
+}
+
+static struct proto_ops cmtp_sock_ops = {
+ family: PF_BLUETOOTH,
+ release: cmtp_sock_release,
+ ioctl: cmtp_sock_ioctl,
+ 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 int cmtp_sock_create(struct socket *sock, int protocol)
+{
+ struct sock *sk;
+
+ BT_DBG("sock %p", sock);
+
+ if (sock->type != SOCK_RAW)
+ return -ESOCKTNOSUPPORT;
+
+ sock->ops = &cmtp_sock_ops;
+
+ if (!(sk = sk_alloc(PF_BLUETOOTH, GFP_KERNEL, 1)))
+ return -ENOMEM;
+
+ MOD_INC_USE_COUNT;
+
+ sock->state = SS_UNCONNECTED;
+ sock_init_data(sock, sk);
+
+ sk->destruct = NULL;
+ sk->protocol = protocol;
+
+ return 0;
+}
+
+static struct net_proto_family cmtp_sock_family_ops = {
+ family: PF_BLUETOOTH,
+ create: cmtp_sock_create
+};
+
+int cmtp_init_sockets(void)
+{
+ int err;
+
+ if ((err = bluez_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops))) {
+ BT_ERR("Can't register CMTP socket layer (%d)", err);
+ return err;
+ }
+
+ return 0;
+}
+
+void cmtp_cleanup_sockets(void)
+{
+ int err;
+
+ if ((err = bluez_sock_unregister(BTPROTO_CMTP)))
+ BT_ERR("Can't unregister CMTP socket layer (%d)", err);
+
+ return;
+}
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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)