diff options
Diffstat (limited to 'net/bluetooth_tizen/hidp/sock.c')
-rw-r--r-- | net/bluetooth_tizen/hidp/sock.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/net/bluetooth_tizen/hidp/sock.c b/net/bluetooth_tizen/hidp/sock.c deleted file mode 100644 index 73a32d7..0000000 --- a/net/bluetooth_tizen/hidp/sock.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - HIDP implementation for Linux Bluetooth stack (BlueZ). - Copyright (C) 2003-2004 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/poll.h> -#include <linux/fcntl.h> -#include <linux/skbuff.h> -#include <linux/socket.h> -#include <linux/ioctl.h> -#include <linux/file.h> -#include <linux/init.h> -#include <linux/compat.h> -#include <linux/gfp.h> -#include <net/sock.h> - -#include "hidp.h" - -static int hidp_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 hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) -{ - void __user *argp = (void __user *) arg; - struct hidp_connadd_req ca; - struct hidp_conndel_req cd; - struct hidp_connlist_req cl; - struct hidp_conninfo ci; - struct socket *csock; - struct socket *isock; - int err; - - BT_DBG("cmd %x arg %lx", cmd, arg); - - switch (cmd) { - case HIDPCONNADD: - if (!capable(CAP_NET_ADMIN)) - return -EACCES; - - if (copy_from_user(&ca, argp, sizeof(ca))) - return -EFAULT; - - csock = sockfd_lookup(ca.ctrl_sock, &err); - if (!csock) - return err; - - isock = sockfd_lookup(ca.intr_sock, &err); - if (!isock) { - sockfd_put(csock); - return err; - } - - if (csock->sk->sk_state != BT_CONNECTED || - isock->sk->sk_state != BT_CONNECTED) { - sockfd_put(csock); - sockfd_put(isock); - return -EBADFD; - } - - err = hidp_add_connection(&ca, csock, isock); - if (!err) { - if (copy_to_user(argp, &ca, sizeof(ca))) - err = -EFAULT; - } else { - sockfd_put(csock); - sockfd_put(isock); - } - - return err; - - case HIDPCONNDEL: - if (!capable(CAP_NET_ADMIN)) - return -EACCES; - - if (copy_from_user(&cd, argp, sizeof(cd))) - return -EFAULT; - - return hidp_del_connection(&cd); - - case HIDPGETCONNLIST: - if (copy_from_user(&cl, argp, sizeof(cl))) - return -EFAULT; - - if (cl.cnum <= 0) - return -EINVAL; - - err = hidp_get_connlist(&cl); - if (!err && copy_to_user(argp, &cl, sizeof(cl))) - return -EFAULT; - - return err; - - case HIDPGETCONNINFO: - if (copy_from_user(&ci, argp, sizeof(ci))) - return -EFAULT; - - err = hidp_get_conninfo(&ci); - if (!err && copy_to_user(argp, &ci, sizeof(ci))) - return -EFAULT; - - return err; - } - - return -EINVAL; -} - -#ifdef CONFIG_COMPAT -struct compat_hidp_connadd_req { - int ctrl_sock; /* Connected control socket */ - int intr_sock; /* Connected interrupt socket */ - __u16 parser; - __u16 rd_size; - compat_uptr_t rd_data; - __u8 country; - __u8 subclass; - __u16 vendor; - __u16 product; - __u16 version; - __u32 flags; - __u32 idle_to; - char name[128]; -}; - -static int hidp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) -{ - if (cmd == HIDPGETCONNLIST) { - struct hidp_connlist_req cl; - u32 uci; - int err; - - if (get_user(cl.cnum, (u32 __user *) arg) || - get_user(uci, (u32 __user *) (arg + 4))) - return -EFAULT; - - cl.ci = compat_ptr(uci); - - if (cl.cnum <= 0) - return -EINVAL; - - err = hidp_get_connlist(&cl); - - if (!err && put_user(cl.cnum, (u32 __user *) arg)) - err = -EFAULT; - - return err; - } else if (cmd == HIDPCONNADD) { - struct compat_hidp_connadd_req ca; - struct hidp_connadd_req __user *uca; - - uca = compat_alloc_user_space(sizeof(*uca)); - - if (copy_from_user(&ca, (void __user *) arg, sizeof(ca))) - return -EFAULT; - - if (put_user(ca.ctrl_sock, &uca->ctrl_sock) || - put_user(ca.intr_sock, &uca->intr_sock) || - put_user(ca.parser, &uca->parser) || - put_user(ca.rd_size, &uca->rd_size) || - put_user(compat_ptr(ca.rd_data), &uca->rd_data) || - put_user(ca.country, &uca->country) || - put_user(ca.subclass, &uca->subclass) || - put_user(ca.vendor, &uca->vendor) || - put_user(ca.product, &uca->product) || - put_user(ca.version, &uca->version) || - put_user(ca.flags, &uca->flags) || - put_user(ca.idle_to, &uca->idle_to) || - copy_to_user(&uca->name[0], &ca.name[0], 128)) - return -EFAULT; - - arg = (unsigned long) uca; - - /* Fall through. We don't actually write back any _changes_ - to the structure anyway, so there's no need to copy back - into the original compat version */ - } - - return hidp_sock_ioctl(sock, cmd, arg); -} -#endif - -static const struct proto_ops hidp_sock_ops = { - .family = PF_BLUETOOTH, - .owner = THIS_MODULE, - .release = hidp_sock_release, - .ioctl = hidp_sock_ioctl, -#ifdef CONFIG_COMPAT - .compat_ioctl = hidp_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 hidp_proto = { - .name = "HIDP", - .owner = THIS_MODULE, - .obj_size = sizeof(struct bt_sock) -}; - -static int hidp_sock_create(struct net *net, struct socket *sock, int protocol, - int kern) -{ - struct sock *sk; - - BT_DBG("sock %p", sock); - - if (sock->type != SOCK_RAW) - return -ESOCKTNOSUPPORT; - - sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hidp_proto); - if (!sk) - return -ENOMEM; - - sock_init_data(sock, sk); - - sock->ops = &hidp_sock_ops; - - sock->state = SS_UNCONNECTED; - - sock_reset_flag(sk, SOCK_ZAPPED); - - sk->sk_protocol = protocol; - sk->sk_state = BT_OPEN; - - return 0; -} - -static const struct net_proto_family hidp_sock_family_ops = { - .family = PF_BLUETOOTH, - .owner = THIS_MODULE, - .create = hidp_sock_create -}; - -int __init hidp_init_sockets(void) -{ - int err; - - err = proto_register(&hidp_proto, 0); - if (err < 0) - return err; - - err = bt_sock_register(BTPROTO_HIDP, &hidp_sock_family_ops); - if (err < 0) - goto error; - - return 0; - -error: - BT_ERR("Can't register HIDP socket"); - proto_unregister(&hidp_proto); - return err; -} - -void __exit hidp_cleanup_sockets(void) -{ - if (bt_sock_unregister(BTPROTO_HIDP) < 0) - BT_ERR("Can't unregister HIDP socket"); - - proto_unregister(&hidp_proto); -} |