1 /*
2 *
3 * BlueZ - Bluetooth protocol stack for Linux
4 *
5 * Copyright (C) 2000-2002 Maxim Krasnyansky <maxk@qualcomm.com>
6 * Copyright (C) 2003-2007 Marcel Holtmann <marcel@holtmann.org>
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 *
23 */
24
25 #ifndef __PARSER_H
26 #define __PARSER_H
27
28 #include <time.h>
29 #include <sys/time.h>
30 #include <bluetooth/bluetooth.h>
31 #include <netinet/in.h>
32
33 struct frame {
34 void *data;
35 uint32_t data_len;
36 void *ptr;
37 uint32_t len;
38 uint16_t dev_id;
39 uint8_t in;
40 uint8_t master;
41 uint16_t handle;
42 uint16_t cid;
43 uint16_t num;
44 uint8_t dlci;
45 uint8_t channel;
46 unsigned long flags;
47 struct timeval ts;
48 int pppdump_fd;
49 int audio_fd;
50 };
51
52 /* Parser flags */
53 #define DUMP_WIDTH 20
54
55 #define DUMP_ASCII 0x0001
56 #define DUMP_HEX 0x0002
57 #define DUMP_EXT 0x0004
58 #define DUMP_RAW 0x0008
59 #define DUMP_BPA 0x0010
60 #define DUMP_TSTAMP 0x0100
61 #define DUMP_VERBOSE 0x0200
62 #define DUMP_BTSNOOP 0x1000
63 #define DUMP_PKTLOG 0x2000
64 #define DUMP_NOVENDOR 0x4000
65 #define DUMP_TYPE_MASK (DUMP_ASCII | DUMP_HEX | DUMP_EXT)
66
67 /* Parser filter */
68 #define FILT_LMP 0x0001
69 #define FILT_HCI 0x0002
70 #define FILT_SCO 0x0004
71 #define FILT_L2CAP 0x0008
72 #define FILT_RFCOMM 0x0010
73 #define FILT_SDP 0x0020
74 #define FILT_BNEP 0x0040
75 #define FILT_CMTP 0x0080
76 #define FILT_HIDP 0x0100
77 #define FILT_HCRP 0x0200
78 #define FILT_AVDTP 0x0400
79 #define FILT_AVCTP 0x0800
80
81 #define FILT_OBEX 0x00010000
82 #define FILT_CAPI 0x00020000
83 #define FILT_PPP 0x00040000
84 #define FILT_ERICSSON 0x10000000
85 #define FILT_CSR 0x1000000a
86 #define FILT_DGA 0x1000000c
87
88 #define STRUCT_OFFSET(type, member) ((uint8_t *)&(((type *)NULL)->member) - \
89 (uint8_t *)((type *)NULL))
90
91 #define STRUCT_END(type, member) (STRUCT_OFFSET(type, member) + \
92 sizeof(((type *)NULL)->member))
93
94 #define DEFAULT_COMPID 65535
95
96 struct parser_t {
97 unsigned long flags;
98 unsigned long filter;
99 unsigned short defpsm;
100 unsigned short defcompid;
101 int state;
102 int pppdump_fd;
103 int audio_fd;
104 };
105
106 extern struct parser_t parser;
107
108 void init_parser(unsigned long flags, unsigned long filter,
109 unsigned short defpsm, unsigned short defcompid,
110 int pppdump_fd, int audio_fd);
111
p_filter(unsigned long f)112 static inline int p_filter(unsigned long f)
113 {
114 return !(parser.filter & f);
115 }
116
p_indent(int level,struct frame * f)117 static inline void p_indent(int level, struct frame *f)
118 {
119 if (level < 0) {
120 parser.state = 0;
121 return;
122 }
123
124 if (!parser.state) {
125 if (parser.flags & DUMP_TSTAMP) {
126 if (parser.flags & DUMP_VERBOSE) {
127 struct tm tm;
128 time_t t = f->ts.tv_sec;
129 localtime_r(&t, &tm);
130 printf("%04d-%02d-%02d %02d:%02d:%02d.%06lu ",
131 tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
132 tm.tm_hour, tm.tm_min, tm.tm_sec, f->ts.tv_usec);
133 } else
134 printf("%8lu.%06lu ", f->ts.tv_sec, f->ts.tv_usec);
135 }
136 printf("%c ", (f->in ? '>' : '<'));
137 parser.state = 1;
138 } else
139 printf(" ");
140
141 if (level)
142 printf("%*c", (level*2), ' ');
143 }
144
p_ba2str(const bdaddr_t * ba,char * str)145 static inline void p_ba2str(const bdaddr_t *ba, char *str)
146 {
147 if (parser.flags & DUMP_NOVENDOR) {
148 uint8_t b[6];
149
150 baswap((bdaddr_t *) b, ba);
151 sprintf(str, "%2.2X:%2.2X:%2.2X:*:*:*", b[0], b[1], b[2]);
152 } else
153 ba2str(ba, str);
154 }
155
156 /* get_uXX functions do byte swaping */
157
get_u8(struct frame * frm)158 static inline uint8_t get_u8(struct frame *frm)
159 {
160 uint8_t *u8_ptr = frm->ptr;
161 frm->ptr += 1;
162 frm->len -= 1;
163 return *u8_ptr;
164 }
165
get_u16(struct frame * frm)166 static inline uint16_t get_u16(struct frame *frm)
167 {
168 uint16_t *u16_ptr = frm->ptr;
169 frm->ptr += 2;
170 frm->len -= 2;
171 return ntohs(bt_get_unaligned(u16_ptr));
172 }
173
get_u32(struct frame * frm)174 static inline uint32_t get_u32(struct frame *frm)
175 {
176 uint32_t *u32_ptr = frm->ptr;
177 frm->ptr += 4;
178 frm->len -= 4;
179 return ntohl(bt_get_unaligned(u32_ptr));
180 }
181
get_u64(struct frame * frm)182 static inline uint64_t get_u64(struct frame *frm)
183 {
184 uint64_t *u64_ptr = frm->ptr;
185 uint64_t u64 = bt_get_unaligned(u64_ptr), tmp;
186 frm->ptr += 8;
187 frm->len -= 8;
188 tmp = ntohl(u64 & 0xffffffff);
189 u64 = (tmp << 32) | ntohl(u64 >> 32);
190 return u64;
191 }
192
get_u128(struct frame * frm,uint64_t * l,uint64_t * h)193 static inline void get_u128(struct frame *frm, uint64_t *l, uint64_t *h)
194 {
195 *h = get_u64(frm);
196 *l = get_u64(frm);
197 }
198
199 char *get_uuid_name(int uuid);
200
201 void set_proto(uint16_t handle, uint16_t psm, uint8_t channel, uint32_t proto);
202 uint32_t get_proto(uint16_t handle, uint16_t psm, uint8_t channel);
203
204 struct frame *add_frame(struct frame *frm);
205 void del_frame(uint16_t handle, uint8_t dlci);
206
207 uint8_t get_opcode(uint16_t handle, uint8_t dlci);
208 void set_opcode(uint16_t handle, uint8_t dlci, uint8_t opcode);
209
210 uint8_t get_status(uint16_t handle, uint8_t dlci);
211 void set_status(uint16_t handle, uint8_t dlci, uint8_t status);
212
213 void l2cap_clear(uint16_t handle);
214
215 void ascii_dump(int level, struct frame *frm, int num);
216 void hex_dump(int level, struct frame *frm, int num);
217 void ext_dump(int level, struct frame *frm, int num);
218 void raw_dump(int level, struct frame *frm);
219 void raw_ndump(int level, struct frame *frm, int num);
220
221 void lmp_dump(int level, struct frame *frm);
222 void hci_dump(int level, struct frame *frm);
223 void l2cap_dump(int level, struct frame *frm);
224 void rfcomm_dump(int level, struct frame *frm);
225 void sdp_dump(int level, struct frame *frm);
226 void bnep_dump(int level, struct frame *frm);
227 void cmtp_dump(int level, struct frame *frm);
228 void hidp_dump(int level, struct frame *frm);
229 void hcrp_dump(int level, struct frame *frm);
230 void avdtp_dump(int level, struct frame *frm);
231 void avctp_dump(int level, struct frame *frm);
232
233 void obex_dump(int level, struct frame *frm);
234 void capi_dump(int level, struct frame *frm);
235 void ppp_dump(int level, struct frame *frm);
236 void arp_dump(int level, struct frame *frm);
237 void ip_dump(int level, struct frame *frm);
238 void ericsson_dump(int level, struct frame *frm);
239 void csr_dump(int level, struct frame *frm);
240 void bpa_dump(int level, struct frame *frm);
241
parse(struct frame * frm)242 static inline void parse(struct frame *frm)
243 {
244 p_indent(-1, NULL);
245 if (parser.flags & DUMP_RAW)
246 raw_dump(0, frm);
247 else
248 hci_dump(0, frm);
249 fflush(stdout);
250 }
251
252 #endif /* __PARSER_H */
253