/* BlueZ - Bluetooth protocol stack for Linux Copyright (C) 2000-2001 Qualcomm Incorporated Written 2000,2001 by Maxim Krasnyansky <[email protected]> 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. */ /* Bluetooth HCI sockets. */ #include <linux/compat.h> #include <linux/export.h> #include <linux/utsname.h> #include <linux/sched.h> #include <linux/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> #include <net/bluetooth/hci_mon.h> #include <net/bluetooth/mgmt.h> #include "mgmt_util.h" static LIST_HEAD(mgmt_chan_list); static DEFINE_MUTEX(mgmt_chan_list_lock); static DEFINE_IDA(sock_cookie_ida); static atomic_t monitor_promisc = …; /* ----- HCI socket interface ----- */ /* Socket info */ #define hci_pi(sk) … struct hci_pinfo { … }; static struct hci_dev *hci_hdev_from_sock(struct sock *sk) { … } void hci_sock_set_flag(struct sock *sk, int nr) { … } void hci_sock_clear_flag(struct sock *sk, int nr) { … } int hci_sock_test_flag(struct sock *sk, int nr) { … } unsigned short hci_sock_get_channel(struct sock *sk) { … } u32 hci_sock_get_cookie(struct sock *sk) { … } static bool hci_sock_gen_cookie(struct sock *sk) { … } static void hci_sock_free_cookie(struct sock *sk) { … } static inline int hci_test_bit(int nr, const void *addr) { … } /* Security filter */ #define HCI_SFLT_MAX_OGF … struct hci_sec_filter { … }; static const struct hci_sec_filter hci_sec_filter = …; static struct bt_sock_list hci_sk_list = …; static bool is_filtered_packet(struct sock *sk, struct sk_buff *skb) { … } /* Send frame to RAW socket */ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) { … } static void hci_sock_copy_creds(struct sock *sk, struct sk_buff *skb) { … } static struct sk_buff *hci_skb_clone(struct sk_buff *skb) { … } /* Send frame to sockets with specific channel */ static void __hci_send_to_channel(unsigned short channel, struct sk_buff *skb, int flag, struct sock *skip_sk) { … } void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, int flag, struct sock *skip_sk) { … } /* Send frame to monitor socket */ void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb) { … } void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, void *data, u16 data_len, ktime_t tstamp, int flag, struct sock *skip_sk) { … } static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event) { … } static struct sk_buff *create_monitor_ctrl_open(struct sock *sk) { … } static struct sk_buff *create_monitor_ctrl_close(struct sock *sk) { … } static struct sk_buff *create_monitor_ctrl_command(struct sock *sk, u16 index, u16 opcode, u16 len, const void *buf) { … } static void __printf(2, 3) send_monitor_note(struct sock *sk, const char *fmt, ...) { … } static void send_monitor_replay(struct sock *sk) { … } static void send_monitor_control_replay(struct sock *mon_sk) { … } /* Generate internal stack event */ static void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) { … } void hci_sock_dev_event(struct hci_dev *hdev, int event) { … } static struct hci_mgmt_chan *__hci_mgmt_chan_find(unsigned short channel) { … } static struct hci_mgmt_chan *hci_mgmt_chan_find(unsigned short channel) { … } int hci_mgmt_chan_register(struct hci_mgmt_chan *c) { … } EXPORT_SYMBOL(…); void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c) { … } EXPORT_SYMBOL(…); static int hci_sock_release(struct socket *sock) { … } static int hci_sock_reject_list_add(struct hci_dev *hdev, void __user *arg) { … } static int hci_sock_reject_list_del(struct hci_dev *hdev, void __user *arg) { … } /* Ioctls that require bound socket */ static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg) { … } static int hci_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { … } #ifdef CONFIG_COMPAT static int hci_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { … } #endif static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) { … } static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, int peer) { … } static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) { … } static int hci_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, int flags) { … } static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk, struct sk_buff *skb) { … } static int hci_logging_frame(struct sock *sk, struct sk_buff *skb, unsigned int flags) { … } static int hci_sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) { … } static int hci_sock_setsockopt_old(struct socket *sock, int level, int optname, sockptr_t optval, unsigned int len) { … } static int hci_sock_setsockopt(struct socket *sock, int level, int optname, sockptr_t optval, unsigned int len) { … } static int hci_sock_getsockopt_old(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) { … } static int hci_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) { … } static void hci_sock_destruct(struct sock *sk) { … } static const struct proto_ops hci_sock_ops = …; static struct proto hci_sk_proto = …; static int hci_sock_create(struct net *net, struct socket *sock, int protocol, int kern) { … } static const struct net_proto_family hci_sock_family_ops = …; int __init hci_sock_init(void) { … } void hci_sock_cleanup(void) { … }
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