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net/bluetooth/hci_sock.c
17.3 KB
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/* |
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BlueZ - Bluetooth protocol stack for Linux Copyright (C) 2000-2001 Qualcomm Incorporated Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 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 |
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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 |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
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SOFTWARE IS DISCLAIMED. */ /* Bluetooth HCI sockets. */ |
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#include <linux/module.h> #include <linux/types.h> |
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#include <linux/capability.h> |
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#include <linux/errno.h> #include <linux/kernel.h> |
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#include <linux/slab.h> #include <linux/poll.h> #include <linux/fcntl.h> #include <linux/init.h> #include <linux/skbuff.h> #include <linux/workqueue.h> #include <linux/interrupt.h> |
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#include <linux/compat.h> |
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#include <linux/socket.h> #include <linux/ioctl.h> #include <net/sock.h> #include <asm/system.h> |
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#include <linux/uaccess.h> |
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#include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> |
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static bool enable_mgmt; |
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|
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/* ----- HCI socket interface ----- */ static inline int hci_test_bit(int nr, void *addr) { return *((__u32 *) addr + (nr >> 5)) & ((__u32) 1 << (nr & 31)); } /* Security filter */ static struct hci_sec_filter hci_sec_filter = { /* Packet types */ 0x10, /* Events */ |
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{ 0x1000d9fe, 0x0000b00c }, |
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/* Commands */ { { 0x0 }, /* OGF_LINK_CTL */ |
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{ 0xbe000006, 0x00000001, 0x00000000, 0x00 }, |
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/* OGF_LINK_POLICY */ |
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{ 0x00005200, 0x00000000, 0x00000000, 0x00 }, |
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/* OGF_HOST_CTL */ |
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{ 0xaab00200, 0x2b402aaa, 0x05220154, 0x00 }, |
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/* OGF_INFO_PARAM */ |
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{ 0x000002be, 0x00000000, 0x00000000, 0x00 }, |
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/* OGF_STATUS_PARAM */ |
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{ 0x000000ea, 0x00000000, 0x00000000, 0x00 } |
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} }; static struct bt_sock_list hci_sk_list = { |
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.lock = __RW_LOCK_UNLOCKED(hci_sk_list.lock) |
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}; /* Send frame to RAW socket */ |
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void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, struct sock *skip_sk) |
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{ struct sock *sk; struct hlist_node *node; BT_DBG("hdev %p len %d", hdev, skb->len); read_lock(&hci_sk_list.lock); sk_for_each(sk, node, &hci_sk_list.head) { struct hci_filter *flt; struct sk_buff *nskb; |
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if (sk == skip_sk) continue; |
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if (sk->sk_state != BT_BOUND || hci_pi(sk)->hdev != hdev) continue; /* Don't send frame to the socket it came from */ if (skb->sk == sk) continue; |
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if (bt_cb(skb)->channel != hci_pi(sk)->channel) continue; if (bt_cb(skb)->channel == HCI_CHANNEL_CONTROL) goto clone; |
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/* Apply filter */ flt = &hci_pi(sk)->filter; |
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if (!test_bit((bt_cb(skb)->pkt_type == HCI_VENDOR_PKT) ? 0 : (bt_cb(skb)->pkt_type & HCI_FLT_TYPE_BITS), &flt->type_mask)) |
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continue; |
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if (bt_cb(skb)->pkt_type == HCI_EVENT_PKT) { |
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register int evt = (*(__u8 *)skb->data & HCI_FLT_EVENT_BITS); if (!hci_test_bit(evt, &flt->event_mask)) continue; |
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if (flt->opcode && ((evt == HCI_EV_CMD_COMPLETE && flt->opcode != |
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get_unaligned((__le16 *)(skb->data + 3))) || |
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(evt == HCI_EV_CMD_STATUS && flt->opcode != |
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get_unaligned((__le16 *)(skb->data + 4))))) |
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continue; } |
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clone: |
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nskb = skb_clone(skb, GFP_ATOMIC); if (!nskb) |
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continue; /* Put type byte before the data */ |
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if (bt_cb(skb)->channel == HCI_CHANNEL_RAW) memcpy(skb_push(nskb, 1), &bt_cb(nskb)->pkt_type, 1); |
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if (sock_queue_rcv_skb(sk, nskb)) kfree_skb(nskb); } read_unlock(&hci_sk_list.lock); } static int hci_sock_release(struct socket *sock) { struct sock *sk = sock->sk; |
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struct hci_dev *hdev; |
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BT_DBG("sock %p sk %p", sock, sk); if (!sk) return 0; |
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hdev = hci_pi(sk)->hdev; |
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bt_sock_unlink(&hci_sk_list, sk); if (hdev) { atomic_dec(&hdev->promisc); hci_dev_put(hdev); } sock_orphan(sk); skb_queue_purge(&sk->sk_receive_queue); skb_queue_purge(&sk->sk_write_queue); sock_put(sk); return 0; } |
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static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg) |
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{ bdaddr_t bdaddr; |
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int err; |
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if (copy_from_user(&bdaddr, arg, sizeof(bdaddr))) return -EFAULT; |
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hci_dev_lock(hdev); |
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err = hci_blacklist_add(hdev, &bdaddr); |
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hci_dev_unlock(hdev); |
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return err; |
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} |
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static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg) |
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{ bdaddr_t bdaddr; |
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int err; |
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if (copy_from_user(&bdaddr, arg, sizeof(bdaddr))) return -EFAULT; |
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hci_dev_lock(hdev); |
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err = hci_blacklist_del(hdev, &bdaddr); |
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hci_dev_unlock(hdev); |
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return err; |
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} |
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/* Ioctls that require bound socket */ |
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static inline int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg) { struct hci_dev *hdev = hci_pi(sk)->hdev; if (!hdev) return -EBADFD; switch (cmd) { case HCISETRAW: if (!capable(CAP_NET_ADMIN)) return -EACCES; if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) return -EPERM; if (arg) set_bit(HCI_RAW, &hdev->flags); else clear_bit(HCI_RAW, &hdev->flags); return 0; |
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case HCIGETCONNINFO: |
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return hci_get_conn_info(hdev, (void __user *) arg); case HCIGETAUTHINFO: return hci_get_auth_info(hdev, (void __user *) arg); |
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|
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case HCIBLOCKADDR: if (!capable(CAP_NET_ADMIN)) return -EACCES; |
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return hci_sock_blacklist_add(hdev, (void __user *) arg); |
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case HCIUNBLOCKADDR: if (!capable(CAP_NET_ADMIN)) return -EACCES; |
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return hci_sock_blacklist_del(hdev, (void __user *) arg); |
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|
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default: if (hdev->ioctl) return hdev->ioctl(hdev, cmd, arg); return -EINVAL; } } static int hci_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; |
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void __user *argp = (void __user *) arg; |
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int err; BT_DBG("cmd %x arg %lx", cmd, arg); switch (cmd) { case HCIGETDEVLIST: return hci_get_dev_list(argp); case HCIGETDEVINFO: return hci_get_dev_info(argp); case HCIGETCONNLIST: return hci_get_conn_list(argp); case HCIDEVUP: if (!capable(CAP_NET_ADMIN)) return -EACCES; return hci_dev_open(arg); case HCIDEVDOWN: if (!capable(CAP_NET_ADMIN)) return -EACCES; return hci_dev_close(arg); case HCIDEVRESET: if (!capable(CAP_NET_ADMIN)) return -EACCES; return hci_dev_reset(arg); case HCIDEVRESTAT: if (!capable(CAP_NET_ADMIN)) return -EACCES; return hci_dev_reset_stat(arg); case HCISETSCAN: case HCISETAUTH: case HCISETENCRYPT: case HCISETPTYPE: case HCISETLINKPOL: case HCISETLINKMODE: case HCISETACLMTU: case HCISETSCOMTU: if (!capable(CAP_NET_ADMIN)) return -EACCES; return hci_dev_cmd(cmd, argp); case HCIINQUIRY: return hci_inquiry(argp); default: lock_sock(sk); err = hci_sock_bound_ioctl(sk, cmd, arg); release_sock(sk); return err; } } static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) { |
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struct sockaddr_hci haddr; |
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struct sock *sk = sock->sk; struct hci_dev *hdev = NULL; |
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int len, err = 0; |
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BT_DBG("sock %p sk %p", sock, sk); |
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if (!addr) return -EINVAL; memset(&haddr, 0, sizeof(haddr)); len = min_t(unsigned int, sizeof(haddr), addr_len); memcpy(&haddr, addr, len); if (haddr.hci_family != AF_BLUETOOTH) return -EINVAL; |
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if (haddr.hci_channel > HCI_CHANNEL_CONTROL) return -EINVAL; |
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if (haddr.hci_channel == HCI_CHANNEL_CONTROL) { if (!enable_mgmt) return -EINVAL; set_bit(HCI_PI_MGMT_INIT, &hci_pi(sk)->flags); } |
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lock_sock(sk); |
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if (sk->sk_state == BT_BOUND || hci_pi(sk)->hdev) { |
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err = -EALREADY; goto done; } |
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if (haddr.hci_dev != HCI_DEV_NONE) { hdev = hci_dev_get(haddr.hci_dev); |
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if (!hdev) { |
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err = -ENODEV; goto done; } atomic_inc(&hdev->promisc); } |
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hci_pi(sk)->channel = haddr.hci_channel; |
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hci_pi(sk)->hdev = hdev; sk->sk_state = BT_BOUND; done: release_sock(sk); return err; } static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, int *addr_len, int peer) { struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr; struct sock *sk = sock->sk; |
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struct hci_dev *hdev = hci_pi(sk)->hdev; |
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BT_DBG("sock %p sk %p", sock, sk); |
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if (!hdev) return -EBADFD; |
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lock_sock(sk); *addr_len = sizeof(*haddr); haddr->hci_family = AF_BLUETOOTH; |
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haddr->hci_dev = hdev->id; |
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release_sock(sk); return 0; } static inline void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) { __u32 mask = hci_pi(sk)->cmsg_mask; |
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if (mask & HCI_CMSG_DIR) { int incoming = bt_cb(skb)->incoming; put_cmsg(msg, SOL_HCI, HCI_CMSG_DIR, sizeof(incoming), &incoming); } |
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|
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if (mask & HCI_CMSG_TSTAMP) { |
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#ifdef CONFIG_COMPAT struct compat_timeval ctv; #endif |
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struct timeval tv; |
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void *data; int len; |
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skb_get_timestamp(skb, &tv); |
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|
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data = &tv; len = sizeof(tv); #ifdef CONFIG_COMPAT |
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if (msg->msg_flags & MSG_CMSG_COMPAT) { |
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ctv.tv_sec = tv.tv_sec; ctv.tv_usec = tv.tv_usec; data = &ctv; len = sizeof(ctv); |
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} |
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#endif |
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put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, len, data); |
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} |
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} |
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static int hci_sock_recvmsg(struct kiocb *iocb, struct socket *sock, |
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struct msghdr *msg, size_t len, int flags) { int noblock = flags & MSG_DONTWAIT; struct sock *sk = sock->sk; struct sk_buff *skb; int copied, err; BT_DBG("sock %p, sk %p", sock, sk); if (flags & (MSG_OOB)) return -EOPNOTSUPP; if (sk->sk_state == BT_CLOSED) return 0; |
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skb = skb_recv_datagram(sk, flags, noblock, &err); if (!skb) |
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return err; msg->msg_namelen = 0; copied = skb->len; if (len < copied) { msg->msg_flags |= MSG_TRUNC; copied = len; } |
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skb_reset_transport_header(skb); |
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err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied); hci_sock_cmsg(sk, msg, skb); skb_free_datagram(sk, skb); return err ? : copied; } |
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static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, |
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struct msghdr *msg, size_t len) { struct sock *sk = sock->sk; struct hci_dev *hdev; struct sk_buff *skb; int err; BT_DBG("sock %p sk %p", sock, sk); if (msg->msg_flags & MSG_OOB) return -EOPNOTSUPP; if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_NOSIGNAL|MSG_ERRQUEUE)) return -EINVAL; if (len < 4 || len > HCI_MAX_FRAME_SIZE) return -EINVAL; lock_sock(sk); |
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switch (hci_pi(sk)->channel) { case HCI_CHANNEL_RAW: break; case HCI_CHANNEL_CONTROL: err = mgmt_control(sk, msg, len); goto done; default: err = -EINVAL; goto done; } |
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hdev = hci_pi(sk)->hdev; if (!hdev) { |
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err = -EBADFD; goto done; } |
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if (!test_bit(HCI_UP, &hdev->flags)) { err = -ENETDOWN; goto done; } |
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skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err); if (!skb) |
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goto done; if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { err = -EFAULT; goto drop; } |
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bt_cb(skb)->pkt_type = *((unsigned char *) skb->data); |
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skb_pull(skb, 1); skb->dev = (void *) hdev; |
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if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) { |
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u16 opcode = get_unaligned_le16(skb->data); |
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u16 ogf = hci_opcode_ogf(opcode); u16 ocf = hci_opcode_ocf(opcode); if (((ogf > HCI_SFLT_MAX_OGF) || !hci_test_bit(ocf & HCI_FLT_OCF_BITS, &hci_sec_filter.ocf_mask[ogf])) && !capable(CAP_NET_RAW)) { err = -EPERM; goto drop; } |
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if (test_bit(HCI_RAW, &hdev->flags) || (ogf == 0x3f)) { |
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skb_queue_tail(&hdev->raw_q, skb); |
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queue_work(hdev->workqueue, &hdev->tx_work); |
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} else { skb_queue_tail(&hdev->cmd_q, skb); |
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queue_work(hdev->workqueue, &hdev->cmd_work); |
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} } else { if (!capable(CAP_NET_RAW)) { err = -EPERM; goto drop; } skb_queue_tail(&hdev->raw_q, skb); |
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queue_work(hdev->workqueue, &hdev->tx_work); |
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} err = len; done: release_sock(sk); return err; drop: kfree_skb(skb); goto done; } |
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526 |
static int hci_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int len) |
1da177e4c Linux-2.6.12-rc2 |
527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 |
{ struct hci_ufilter uf = { .opcode = 0 }; struct sock *sk = sock->sk; int err = 0, opt = 0; BT_DBG("sk %p, opt %d", sk, optname); lock_sock(sk); switch (optname) { case HCI_DATA_DIR: if (get_user(opt, (int __user *)optval)) { err = -EFAULT; break; } if (opt) hci_pi(sk)->cmsg_mask |= HCI_CMSG_DIR; else hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_DIR; break; case HCI_TIME_STAMP: if (get_user(opt, (int __user *)optval)) { err = -EFAULT; break; } if (opt) hci_pi(sk)->cmsg_mask |= HCI_CMSG_TSTAMP; else hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_TSTAMP; break; case HCI_FILTER: |
0878b6667 [Bluetooth] Fix L... |
562 563 564 565 566 567 568 569 |
{ struct hci_filter *f = &hci_pi(sk)->filter; uf.type_mask = f->type_mask; uf.opcode = f->opcode; uf.event_mask[0] = *((u32 *) f->event_mask + 0); uf.event_mask[1] = *((u32 *) f->event_mask + 1); } |
1da177e4c Linux-2.6.12-rc2 |
570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 |
len = min_t(unsigned int, len, sizeof(uf)); if (copy_from_user(&uf, optval, len)) { err = -EFAULT; break; } if (!capable(CAP_NET_RAW)) { uf.type_mask &= hci_sec_filter.type_mask; uf.event_mask[0] &= *((u32 *) hci_sec_filter.event_mask + 0); uf.event_mask[1] &= *((u32 *) hci_sec_filter.event_mask + 1); } { struct hci_filter *f = &hci_pi(sk)->filter; f->type_mask = uf.type_mask; f->opcode = uf.opcode; *((u32 *) f->event_mask + 0) = uf.event_mask[0]; *((u32 *) f->event_mask + 1) = uf.event_mask[1]; } |
8e87d1425 [NET] BLUETOOTH: ... |
590 |
break; |
1da177e4c Linux-2.6.12-rc2 |
591 592 593 594 595 596 597 598 599 600 601 602 603 604 |
default: err = -ENOPROTOOPT; break; } release_sock(sk); return err; } static int hci_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) { struct hci_ufilter uf; struct sock *sk = sock->sk; |
8e87d1425 [NET] BLUETOOTH: ... |
605 |
int len, opt; |
1da177e4c Linux-2.6.12-rc2 |
606 607 608 609 610 611 612 613 |
if (get_user(len, optlen)) return -EFAULT; switch (optname) { case HCI_DATA_DIR: if (hci_pi(sk)->cmsg_mask & HCI_CMSG_DIR) opt = 1; |
8e87d1425 [NET] BLUETOOTH: ... |
614 |
else |
1da177e4c Linux-2.6.12-rc2 |
615 616 617 618 619 620 621 622 623 |
opt = 0; if (put_user(opt, optval)) return -EFAULT; break; case HCI_TIME_STAMP: if (hci_pi(sk)->cmsg_mask & HCI_CMSG_TSTAMP) opt = 1; |
8e87d1425 [NET] BLUETOOTH: ... |
624 |
else |
1da177e4c Linux-2.6.12-rc2 |
625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 |
opt = 0; if (put_user(opt, optval)) return -EFAULT; break; case HCI_FILTER: { struct hci_filter *f = &hci_pi(sk)->filter; uf.type_mask = f->type_mask; uf.opcode = f->opcode; uf.event_mask[0] = *((u32 *) f->event_mask + 0); uf.event_mask[1] = *((u32 *) f->event_mask + 1); } len = min_t(unsigned int, len, sizeof(uf)); if (copy_to_user(optval, &uf, len)) return -EFAULT; break; default: return -ENOPROTOOPT; break; } return 0; } |
90ddc4f04 [NET]: move struc... |
653 |
static const struct proto_ops hci_sock_ops = { |
1da177e4c Linux-2.6.12-rc2 |
654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 |
.family = PF_BLUETOOTH, .owner = THIS_MODULE, .release = hci_sock_release, .bind = hci_sock_bind, .getname = hci_sock_getname, .sendmsg = hci_sock_sendmsg, .recvmsg = hci_sock_recvmsg, .ioctl = hci_sock_ioctl, .poll = datagram_poll, .listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = hci_sock_setsockopt, .getsockopt = hci_sock_getsockopt, .connect = sock_no_connect, .socketpair = sock_no_socketpair, .accept = sock_no_accept, .mmap = sock_no_mmap }; static struct proto hci_sk_proto = { .name = "HCI", .owner = THIS_MODULE, .obj_size = sizeof(struct hci_pinfo) }; |
3f378b684 net: pass kern to... |
678 679 |
static int hci_sock_create(struct net *net, struct socket *sock, int protocol, int kern) |
1da177e4c Linux-2.6.12-rc2 |
680 681 682 683 684 685 686 687 688 |
{ struct sock *sk; BT_DBG("sock %p", sock); if (sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; sock->ops = &hci_sock_ops; |
6257ff217 [NET]: Forget the... |
689 |
sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto); |
1da177e4c Linux-2.6.12-rc2 |
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 |
if (!sk) return -ENOMEM; sock_init_data(sock, sk); sock_reset_flag(sk, SOCK_ZAPPED); sk->sk_protocol = protocol; sock->state = SS_UNCONNECTED; sk->sk_state = BT_OPEN; bt_sock_link(&hci_sk_list, sk); return 0; } static int hci_sock_dev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct hci_dev *hdev = (struct hci_dev *) ptr; struct hci_ev_si_device ev; BT_DBG("hdev %s event %ld", hdev->name, event); /* Send event to sockets */ ev.event = event; ev.dev_id = hdev->id; hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev); if (event == HCI_DEV_UNREG) { struct sock *sk; struct hlist_node *node; /* Detach sockets from device */ read_lock(&hci_sk_list.lock); sk_for_each(sk, node, &hci_sk_list.head) { |
4ce61d1c7 [BLUETOOTH]: Fix ... |
725 |
bh_lock_sock_nested(sk); |
1da177e4c Linux-2.6.12-rc2 |
726 727 728 729 730 731 732 733 |
if (hci_pi(sk)->hdev == hdev) { hci_pi(sk)->hdev = NULL; sk->sk_err = EPIPE; sk->sk_state = BT_OPEN; sk->sk_state_change(sk); hci_dev_put(hdev); } |
4ce61d1c7 [BLUETOOTH]: Fix ... |
734 |
bh_unlock_sock(sk); |
1da177e4c Linux-2.6.12-rc2 |
735 736 737 738 739 740 |
} read_unlock(&hci_sk_list.lock); } return NOTIFY_DONE; } |
ec1b4cf74 net: mark net_pro... |
741 |
static const struct net_proto_family hci_sock_family_ops = { |
1da177e4c Linux-2.6.12-rc2 |
742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 |
.family = PF_BLUETOOTH, .owner = THIS_MODULE, .create = hci_sock_create, }; static struct notifier_block hci_sock_nblock = { .notifier_call = hci_sock_dev_event }; int __init hci_sock_init(void) { int err; err = proto_register(&hci_sk_proto, 0); if (err < 0) return err; err = bt_sock_register(BTPROTO_HCI, &hci_sock_family_ops); if (err < 0) goto error; hci_register_notifier(&hci_sock_nblock); BT_INFO("HCI socket layer initialized"); return 0; error: BT_ERR("HCI socket registration failed"); proto_unregister(&hci_sk_proto); return err; } |
b7440a14f Bluetooth: fix bu... |
774 |
void hci_sock_cleanup(void) |
1da177e4c Linux-2.6.12-rc2 |
775 776 777 778 779 780 781 |
{ if (bt_sock_unregister(BTPROTO_HCI) < 0) BT_ERR("HCI socket unregistration failed"); hci_unregister_notifier(&hci_sock_nblock); proto_unregister(&hci_sk_proto); |
1da177e4c Linux-2.6.12-rc2 |
782 |
} |
0381101fd Bluetooth: Add in... |
783 784 785 |
module_param(enable_mgmt, bool, 0644); MODULE_PARM_DESC(enable_mgmt, "Enable Management interface"); |