1 /* 2 * 3 * BlueZ - Bluetooth protocol stack for Linux 4 * 5 * Copyright (C) 2000-2002 Maxim Krasnyansky <maxk (at) qualcomm.com> 6 * Copyright (C) 2003-2007 Marcel Holtmann <marcel (at) 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); 111 112 static inline int p_filter(unsigned long f) 113 { 114 return !(parser.filter & f); 115 } 116 117 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 } 144 145 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 */ 157 158 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 } 165 166 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 } 173 174 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 } 181 182 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 } 192 193 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); 241 242 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
