mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-12-16 15:34:53 +08:00
faa7b5c70b
Since some time the kernel has the capability to return the length of the key that was used to encrypt the link. This patch exposes that field to userspace so more applications can take decisions based on this information.
289 lines
6.2 KiB
C
289 lines
6.2 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2000-2001 Qualcomm Incorporated
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* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
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* Copyright (C) 2002-2010 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __BLUETOOTH_H
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#define __BLUETOOTH_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <endian.h>
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#include <byteswap.h>
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#include <netinet/in.h>
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#ifndef AF_BLUETOOTH
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#define AF_BLUETOOTH 31
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#define PF_BLUETOOTH AF_BLUETOOTH
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#endif
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#define BTPROTO_L2CAP 0
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#define BTPROTO_HCI 1
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#define BTPROTO_SCO 2
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#define BTPROTO_RFCOMM 3
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#define BTPROTO_BNEP 4
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#define BTPROTO_CMTP 5
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#define BTPROTO_HIDP 6
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#define BTPROTO_AVDTP 7
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#define SOL_HCI 0
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#define SOL_L2CAP 6
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#define SOL_SCO 17
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#define SOL_RFCOMM 18
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#ifndef SOL_BLUETOOTH
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#define SOL_BLUETOOTH 274
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#endif
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#define BT_SECURITY 4
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struct bt_security {
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uint8_t level;
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uint8_t key_size;
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};
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#define BT_SECURITY_SDP 0
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#define BT_SECURITY_LOW 1
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#define BT_SECURITY_MEDIUM 2
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#define BT_SECURITY_HIGH 3
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#define BT_DEFER_SETUP 7
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#define BT_FLUSHABLE 8
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#define BT_FLUSHABLE_OFF 0
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#define BT_FLUSHABLE_ON 1
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/* Connection and socket states */
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enum {
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BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
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BT_OPEN,
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BT_BOUND,
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BT_LISTEN,
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BT_CONNECT,
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BT_CONNECT2,
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BT_CONFIG,
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BT_DISCONN,
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BT_CLOSED
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};
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/* Byte order conversions */
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define htobs(d) (d)
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#define htobl(d) (d)
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#define htobll(d) (d)
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#define btohs(d) (d)
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#define btohl(d) (d)
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#define btohll(d) (d)
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#elif __BYTE_ORDER == __BIG_ENDIAN
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#define htobs(d) bswap_16(d)
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#define htobl(d) bswap_32(d)
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#define htobll(d) bswap_64(d)
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#define btohs(d) bswap_16(d)
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#define btohl(d) bswap_32(d)
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#define btohll(d) bswap_64(d)
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#else
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#error "Unknown byte order"
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#endif
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/* Bluetooth unaligned access */
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#define bt_get_unaligned(ptr) \
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({ \
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struct __attribute__((packed)) { \
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typeof(*(ptr)) __v; \
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} *__p = (void *) (ptr); \
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__p->__v; \
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})
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#define bt_put_unaligned(val, ptr) \
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do { \
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struct __attribute__((packed)) { \
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typeof(*(ptr)) __v; \
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} *__p = (void *) (ptr); \
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__p->__v = (val); \
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} while(0)
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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static inline uint64_t bt_get_le64(void *ptr)
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{
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return bt_get_unaligned((uint64_t *) ptr);
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}
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static inline uint64_t bt_get_be64(void *ptr)
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{
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return bswap_64(bt_get_unaligned((uint64_t *) ptr));
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}
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static inline uint32_t bt_get_le32(void *ptr)
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{
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return bt_get_unaligned((uint32_t *) ptr);
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}
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static inline uint32_t bt_get_be32(void *ptr)
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{
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return bswap_32(bt_get_unaligned((uint32_t *) ptr));
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}
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static inline uint16_t bt_get_le16(void *ptr)
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{
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return bt_get_unaligned((uint16_t *) ptr);
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}
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static inline uint16_t bt_get_be16(void *ptr)
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{
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return bswap_16(bt_get_unaligned((uint16_t *) ptr));
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}
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#elif __BYTE_ORDER == __BIG_ENDIAN
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static inline uint64_t bt_get_le64(void *ptr)
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{
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return bswap_64(bt_get_unaligned((uint64_t *) ptr));
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}
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static inline uint64_t bt_get_be64(void *ptr)
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{
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return bt_get_unaligned((uint64_t *) ptr);
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}
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static inline uint32_t bt_get_le32(void *ptr)
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{
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return bswap_32(bt_get_unaligned((uint32_t *) ptr));
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}
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static inline uint32_t bt_get_be32(void *ptr)
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{
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return bt_get_unaligned((uint32_t *) ptr);
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}
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static inline uint16_t bt_get_le16(void *ptr)
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{
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return bswap_16(bt_get_unaligned((uint16_t *) ptr));
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}
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static inline uint16_t bt_get_be16(void *ptr)
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{
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return bt_get_unaligned((uint16_t *) ptr);
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}
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#else
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#error "Unknown byte order"
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#endif
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/* BD Address */
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typedef struct {
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uint8_t b[6];
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} __attribute__((packed)) bdaddr_t;
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#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
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#define BDADDR_ALL (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
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#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
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/* Copy, swap, convert BD Address */
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static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
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{
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return memcmp(ba1, ba2, sizeof(bdaddr_t));
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}
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static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
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{
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memcpy(dst, src, sizeof(bdaddr_t));
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}
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void baswap(bdaddr_t *dst, const bdaddr_t *src);
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bdaddr_t *strtoba(const char *str);
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char *batostr(const bdaddr_t *ba);
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int ba2str(const bdaddr_t *ba, char *str);
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int str2ba(const char *str, bdaddr_t *ba);
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int ba2oui(const bdaddr_t *ba, char *oui);
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int bachk(const char *str);
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int baprintf(const char *format, ...);
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int bafprintf(FILE *stream, const char *format, ...);
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int basprintf(char *str, const char *format, ...);
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int basnprintf(char *str, size_t size, const char *format, ...);
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void *bt_malloc(size_t size);
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void bt_free(void *ptr);
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int bt_error(uint16_t code);
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char *bt_compidtostr(int id);
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typedef struct {
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uint8_t data[16];
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} uint128_t;
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define ntoh64(x) (x)
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static inline void ntoh128(const uint128_t *src, uint128_t *dst)
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{
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memcpy(dst, src, sizeof(uint128_t));
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}
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static inline void btoh128(const uint128_t *src, uint128_t *dst)
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{
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int i;
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for (i = 0; i < 16; i++)
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dst->data[15 - i] = src->data[i];
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}
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#else
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static inline uint64_t ntoh64(uint64_t n)
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{
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uint64_t h;
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uint64_t tmp = ntohl(n & 0x00000000ffffffff);
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h = ntohl(n >> 32);
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h |= tmp << 32;
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return h;
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}
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static inline void ntoh128(const uint128_t *src, uint128_t *dst)
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{
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int i;
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for (i = 0; i < 16; i++)
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dst->data[15 - i] = src->data[i];
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}
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static inline void btoh128(const uint128_t *src, uint128_t *dst)
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{
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memcpy(dst, src, sizeof(uint128_t));
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}
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#endif
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#define hton64(x) ntoh64(x)
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#define hton128(x, y) ntoh128(x, y)
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#define htob128(x, y) btoh128(x, y)
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BLUETOOTH_H */
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