1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2000-2002 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2003-2011 Marcel Holtmann <marcel@holtmann.org>
*
*
*/
#ifndef __PARSER_H
#define __PARSER_H
#include <time.h>
#include <sys/time.h>
#include <netinet/in.h>
#include "lib/bluetooth.h"
#include "src/shared/util.h"
struct frame {
void *data;
uint32_t data_len;
void *ptr;
uint32_t len;
uint16_t dev_id;
uint8_t in;
uint8_t central;
uint16_t handle;
uint16_t cid;
uint16_t num;
uint8_t dlci;
uint8_t channel;
unsigned long flags;
struct timeval ts;
int pppdump_fd;
int audio_fd;
};
/* Parser flags */
#define DUMP_WIDTH 20
#define DUMP_ASCII 0x0001
#define DUMP_HEX 0x0002
#define DUMP_EXT 0x0004
#define DUMP_RAW 0x0008
#define DUMP_BPA 0x0010
#define DUMP_TSTAMP 0x0100
#define DUMP_VERBOSE 0x0200
#define DUMP_BTSNOOP 0x1000
#define DUMP_PKTLOG 0x2000
#define DUMP_NOVENDOR 0x4000
#define DUMP_TYPE_MASK (DUMP_ASCII | DUMP_HEX | DUMP_EXT)
/* Parser filter */
#define FILT_LMP 0x0001
#define FILT_HCI 0x0002
#define FILT_SCO 0x0004
#define FILT_L2CAP 0x0008
#define FILT_RFCOMM 0x0010
#define FILT_SDP 0x0020
#define FILT_BNEP 0x0040
#define FILT_CMTP 0x0080
#define FILT_HIDP 0x0100
#define FILT_HCRP 0x0200
#define FILT_AVDTP 0x0400
#define FILT_AVCTP 0x0800
#define FILT_ATT 0x1000
#define FILT_SMP 0x2000
#define FILT_A2MP 0x4000
#define FILT_OBEX 0x00010000
#define FILT_CAPI 0x00020000
#define FILT_PPP 0x00040000
#define FILT_SAP 0x00080000
#define FILT_ERICSSON 0x10000000
#define FILT_CSR 0x1000000a
#define FILT_DGA 0x1000000c
#define STRUCT_OFFSET(type, member) ((uint8_t *)&(((type *)NULL)->member) - \
(uint8_t *)((type *)NULL))
#define STRUCT_END(type, member) (STRUCT_OFFSET(type, member) + \
sizeof(((type *)NULL)->member))
#define DEFAULT_COMPID 65535
struct parser_t {
unsigned long flags;
unsigned long filter;
unsigned short defpsm;
unsigned short defcompid;
int state;
int pppdump_fd;
int audio_fd;
};
extern struct parser_t parser;
void init_parser(unsigned long flags, unsigned long filter,
unsigned short defpsm, unsigned short defcompid,
int pppdump_fd, int audio_fd);
static inline int p_filter(unsigned long f)
{
return !(parser.filter & f);
}
static inline void p_indent(int level, struct frame *f)
{
if (level < 0) {
parser.state = 0;
return;
}
if (!parser.state) {
if (parser.flags & DUMP_TSTAMP) {
if (parser.flags & DUMP_VERBOSE) {
struct tm tm;
time_t t = f->ts.tv_sec;
localtime_r(&t, &tm);
printf("%04d-%02d-%02d %02d:%02d:%02d.%06lu ",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec, f->ts.tv_usec);
} else
printf("%8lu.%06lu ", f->ts.tv_sec, f->ts.tv_usec);
}
printf("%c ", (f->in ? '>' : '<'));
parser.state = 1;
} else
printf(" ");
if (level)
printf("%*c", (level*2), ' ');
}
static inline void p_ba2str(const bdaddr_t *ba, char *str)
{
if (parser.flags & DUMP_NOVENDOR) {
uint8_t b[6];
baswap((bdaddr_t *) b, ba);
sprintf(str, "%2.2X:%2.2X:%2.2X:*:*:*", b[0], b[1], b[2]);
} else
ba2str(ba, str);
}
/* get_uXX functions do byte swaping */
static inline uint8_t p_get_u8(struct frame *frm)
{
uint8_t *u8_ptr = frm->ptr;
frm->ptr += 1;
frm->len -= 1;
return *u8_ptr;
}
static inline uint16_t p_get_u16(struct frame *frm)
{
uint16_t *u16_ptr = frm->ptr;
frm->ptr += 2;
frm->len -= 2;
return get_be16(u16_ptr);
}
static inline uint32_t p_get_u32(struct frame *frm)
{
uint32_t *u32_ptr = frm->ptr;
frm->ptr += 4;
frm->len -= 4;
return get_be32(u32_ptr);
}
static inline uint64_t p_get_u64(struct frame *frm)
{
uint64_t *u64_ptr = frm->ptr;
uint64_t u64 = get_unaligned(u64_ptr), tmp;
frm->ptr += 8;
frm->len -= 8;
tmp = ntohl(u64 & 0xffffffff);
u64 = (tmp << 32) | ntohl(u64 >> 32);
return u64;
}
static inline void p_get_u128(struct frame *frm, uint64_t *l, uint64_t *h)
{
*h = p_get_u64(frm);
*l = p_get_u64(frm);
}
char *get_uuid_name(int uuid);
void set_proto(uint16_t handle, uint16_t psm, uint8_t channel, uint32_t proto);
uint32_t get_proto(uint16_t handle, uint16_t psm, uint8_t channel);
struct frame *add_frame(struct frame *frm);
void del_frame(uint16_t handle, uint8_t dlci);
uint8_t get_opcode(uint16_t handle, uint8_t dlci);
void set_opcode(uint16_t handle, uint8_t dlci, uint8_t opcode);
uint8_t get_status(uint16_t handle, uint8_t dlci);
void set_status(uint16_t handle, uint8_t dlci, uint8_t status);
void l2cap_clear(uint16_t handle);
void ascii_dump(int level, struct frame *frm, int num);
void hex_dump(int level, struct frame *frm, int num);
void ext_dump(int level, struct frame *frm, int num);
void raw_dump(int level, struct frame *frm);
void raw_ndump(int level, struct frame *frm, int num);
void lmp_dump(int level, struct frame *frm);
void hci_dump(int level, struct frame *frm);
void l2cap_dump(int level, struct frame *frm);
void rfcomm_dump(int level, struct frame *frm);
void sdp_dump(int level, struct frame *frm);
void bnep_dump(int level, struct frame *frm);
void cmtp_dump(int level, struct frame *frm);
void hidp_dump(int level, struct frame *frm);
void hcrp_dump(int level, struct frame *frm);
void avdtp_dump(int level, struct frame *frm);
void avctp_dump(int level, struct frame *frm, uint16_t psm);
void avrcp_dump(int level, struct frame *frm, uint8_t hdr, uint16_t psm);
void att_dump(int level, struct frame *frm);
void smp_dump(int level, struct frame *frm);
void sap_dump(int level, struct frame *frm);
void obex_dump(int level, struct frame *frm);
void capi_dump(int level, struct frame *frm);
void ppp_dump(int level, struct frame *frm);
void arp_dump(int level, struct frame *frm);
void ip_dump(int level, struct frame *frm);
void ericsson_dump(int level, struct frame *frm);
void csr_dump(int level, struct frame *frm);
void bpa_dump(int level, struct frame *frm);
void amp_assoc_dump(int level, uint8_t *assoc, uint16_t len);
static inline void parse(struct frame *frm)
{
p_indent(-1, NULL);
if (parser.flags & DUMP_RAW)
raw_dump(0, frm);
else
hci_dump(0, frm);
fflush(stdout);
}
#endif /* __PARSER_H */
|