2 * We want a reentrant parser.
7 * We also want a reentrant scanner, so we have to pass the
8 * handle for the reentrant scanner to the parser, and the
9 * parser has to pass it to the lexical analyzer.
11 * We use void * rather than yyscan_t because, at least with some
12 * versions of Flex and Bison, if you use yyscan_t in %parse-param and
13 * %lex-param, you have to include the ascend_lex_scanner.h before
14 * ascend.h to get yyscan_t declared, and you have to include ascend.h
15 * before ascend_lex_scanner.h to get YYSTYPE declared. Using void *
16 * breaks the cycle; the Flex documentation says yyscan_t is just a void *.
18 %parse-param {void *yyscanner}
19 %lex-param {void *yyscanner}
22 * And we need to pass the parser/scanner state to the parser.
24 %parse-param {ascend_state_t *parser_state}
30 * Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
32 * SPDX-License-Identifier: GPL-2.0-or-later
36 Example 'pridisp' output data - one paragraph/frame:
38 PRI-XMIT-27: (task "l1Task" at 0x10216fe0, time: 560194.01) 4 octets @ 0x1027c5b0
39 [0000]: 00 01 01 a9 ....
40 PRI-RCV-27: (task "idle task" at 0x10123570, time: 560194.01) 4 octets @ 0x1027fb00
43 Example 'pridisp' output data - two paragraphs/frame for XMIT case only:
45 PRI-XMIT-19/1: (task "l1Task" at 0x10216840, time: 274759.98) 4 octets @ 0x1027f230
46 [0000]: 00 01 30 d8 ..0.
47 PRI-XMIT-19/2 (task "l1Task" at 0x10216840, time: 274759.98) 11 octets @ 0x1027f234
48 [0000]: 08 02 8c bf 02 18 04 e9 82 83 8f ........ ...
50 Example 'ether-disp' output data:
52 ETHER3ND RECV: (task "_sarTask" at 0x802c6eb0, time: 259848.03) 775 octets @ 0xa8fb2020
53 [0000]: 00 d0 52 04 e7 1e 08 00 20 ae 51 b5 08 00 45 00 ..R..... .Q...E.
54 [0010]: 02 f9 05 e6 40 00 3f 11 6e 39 87 fe c4 95 3c 3c ....@.?. n9....<<
55 [0020]: 3c 05 13 c4 13 c4 02 e5 ef ed 49 4e 56 49 54 45 <....... ..INVITE
56 [0030]: 20 73 69 70 3a 35 32 30 37 33 40 36 30 2e 36 30 sip:520 73@60.60
57 [0040]: 2e 36 30 2e 35 20 53 49 50 2f 32 2e 30 0d 0a 56 .60.5 SI P/2.0..V
58 [0050]: 69 61 3a 20 53 49 50 2f 32 2e 30 2f 55 44 50 20 ia: SIP/ 2.0/UDP
59 [0060]: 31 33 35 2e 135.
61 Example 'wandsess' output data:
63 RECV-iguana:241:(task: B02614C0, time: 1975432.85) 49 octets @ 8003BD94
64 [0000]: FF 03 00 3D C0 06 CA 22 2F 45 00 00 28 6A 3B 40
65 [0010]: 00 3F 03 D7 37 CE 41 62 12 CF 00 FB 08 20 27 00
66 [0020]: 50 E4 08 DD D7 7C 4C 71 92 50 10 7D 78 67 C8 00
68 XMIT-iguana:241:(task: B04E12C0, time: 1975432.85) 53 octets @ 8009EB16
69 [0000]: FF 03 00 3D C0 09 1E 31 21 45 00 00 2C 2D BD 40
70 [0010]: 00 7A 06 D8 B1 CF 00 FB 08 CE 41 62 12 00 50 20
71 [0020]: 29 7C 4C 71 9C 9A 6A 93 A4 60 12 22 38 3F 10 00
72 [0030]: 00 02 04 05 B4
74 Example 'wdd' output data:
76 Date: 01/12/1990. Time: 12:22:33
77 Cause an attempt to place call to 14082750382
78 WD_DIALOUT_DISP: chunk 2515EE type IP.
79 (task: 251790, time: 994953.28) 44 octets @ 2782B8
80 [0000]: 00 C0 7B 71 45 6C 00 60 08 16 AA 51 08 00 45 00
81 [0010]: 00 2C 66 1C 40 00 80 06 53 F6 AC 14 00 18 CC 47
82 [0020]: C8 45 0A 31 00 50 3B D9 5B 75 00 00
84 The following output comes from a MAX with Software 7.2.3:
86 RECV-187:(task: B050B480, time: 18042248.03) 100 octets @ 800012C0
87 [0000]: FF 03 00 21 45 00 00 60 E3 49 00 00 7F 11 FD 7B
88 [0010]: C0 A8 F7 05 8A C8 18 51 00 89 00 89 00 4C C7 C1
89 [0020]: CC 8E 40 00 00 01 00 00 00 00 00 01 20 45 4A 45
90 [0030]: 42 45 43 45 48 43 4E 46 43 46 41 43 41 43 41 43
91 [0040]: 41 43 41 43 41 43 41 43 41 43 41 42 4E 00 00 20
92 [0050]: 00 01 C0 0C 00 20 00 01 00 04 93 E0 00 06 60 00
94 XMIT-187:(task: B0292CA0, time: 18042248.04) 60 octets @ 800AD576
95 [0000]: FF 03 00 21 45 00 00 38 D7 EE 00 00 0F 01 11 2B
96 [0010]: 0A FF FF FE C0 A8 F7 05 03 0D 33 D3 00 00 00 00
97 [0020]: 45 00 00 60 E3 49 00 00 7E 11 FE 7B C0 A8 F7 05
98 [0030]: 8A C8 18 51 00 89 00 89 00 4C C7 C1
99 RECV-187:(task: B0292CA0, time: 18042251.92) 16 octets @ 800018E8
100 [0000]: FF 03 C0 21 09 01 00 0C DE 61 96 4B 00 30 94 92
102 In TAOS 8.0, Lucent slightly changed the format as follows:
104 Example 'wandisp' output data (TAOS 8.0.3): (same format is used
105 for 'wanopen' and 'wannext' command)
107 RECV-14: (task "idle task" at 0xb05e6e00, time: 1279.01) 29 octets @ 0x8000e0fc
108 [0000]: ff 03 c0 21 01 01 00 19 01 04 05 f4 11 04 05 f4 ...!.... ........
109 [0010]: 13 09 03 00 c0 7b 9a 9f 2d 17 04 10 00 .....{.. -....
110 XMIT-14: (task "idle task" at 0xb05e6e00, time: 1279.02) 38 octets @ 0x8007fd56
111 [0000]: ff 03 c0 21 01 01 00 22 00 04 00 00 01 04 05 f4 ...!..." ........
112 [0010]: 03 05 c2 23 05 11 04 05 f4 13 09 03 00 c0 7b 80 ...#.... ......{.
113 [0020]: 7c ef 17 04 0e 00 |.....
114 XMIT-14: (task "idle task" at 0xb05e6e00, time: 1279.02) 29 octets @ 0x8007fa36
115 [0000]: ff 03 c0 21 02 01 00 19 01 04 05 f4 11 04 05 f4 ...!.... ........
116 [0010]: 13 09 03 00 c0 7b 9a 9f 2d 17 04 10 00 .....{.. -....
118 Example 'wandsess' output data (TAOS 8.0.3):
120 RECV-Max7:20: (task "_brouterControlTask" at 0xb094ac20, time: 1481.50) 20 octets @ 0x8000d198
121 [0000]: ff 03 00 3d c0 00 00 04 80 fd 02 01 00 0a 11 06 ...=.... ........
122 [0010]: 00 01 01 03 ....
123 XMIT-Max7:20: (task "_brouterControlTask" at 0xb094ac20, time: 1481.51) 26 octets @ 0x800806b6
124 [0000]: ff 03 00 3d c0 00 00 00 80 21 01 01 00 10 02 06 ...=.... .!......
125 [0010]: 00 2d 0f 01 03 06 89 64 03 08 .-.....d ..
126 XMIT-Max7:20: (task "_brouterControlTask" at 0xb094ac20, time: 1481.51) 20 octets @ 0x8007f716
127 [0000]: ff 03 00 3d c0 00 00 01 80 fd 01 01 00 0a 11 06 ...=.... ........
128 [0010]: 00 01 01 03 ....
130 The changes since TAOS 7.X are:
132 1) White space is added before "(task".
133 2) Task has a name, indicated by a subsequent string surrounded by a
135 3) Address expressed in hex number has a preceeding "0x".
136 4) Hex numbers are in lower case.
137 5) There is a character display corresponding to hex data in each line.
146 #include "wtap-int.h"
147 #include <wsutil/buffer.h>
148 #include "ascendtext.h"
149 #include "ascend-int.h"
152 #include "ascend_scanner_lex.h"
154 #include "file_wrappers.h"
156 #define NO_USER "<none>"
158 extern void yyerror (void *yyscanner, ascend_state_t *state, FILE_T fh _U_, const char *s);
169 %token <s> STRING KEYWORD WDD_DATE WDD_CHUNK COUNTER SLASH_SUFFIX
170 %token <d> WDS_PREFIX ISDN_PREFIX ETHER_PREFIX DECNUM HEXNUM
173 %type <s> string dataln datagroup
174 %type <d> wds_prefix isdn_prefix ether_prefix decnum hexnum
175 %type <b> byte bytegroup
177 %parse-param { FILE_T fh }
182 | ether_hdr datagroup
183 | deferred_isdn_hdr datagroup deferred_isdn_hdr datagroup
189 | wdd_date wdd_hdr datagroup
193 isdn_prefix: ISDN_PREFIX;
195 ether_prefix: ETHER_PREFIX;
197 wds_prefix: WDS_PREFIX;
206 pridisp special case - I-frame header printed separately from contents,
207 one frame across two messages.
209 PRI-XMIT-0/1: (task "l1Task" at 0x80152b20, time: 283529.65) 4 octets @
211 [0000]: 00 01 ae b2 ....
212 PRI-XMIT-0/2 (task "l1Task" at 0x80152b20, time: 283529.65) 10 octets @
214 [0000]: 08 02 d7 e3 02 18 03 a9 83 8a ........
217 deferred_isdn_hdr: isdn_prefix decnum SLASH_SUFFIX KEYWORD string KEYWORD hexnum KEYWORD decnum decnum decnum KEYWORD HEXNUM {
218 parser_state->wirelen += $11;
219 parser_state->secs = $9;
220 parser_state->usecs = $10;
221 if (parser_state->pseudo_header != NULL) {
222 parser_state->pseudo_header->type = $1;
223 parser_state->pseudo_header->sess = $2;
224 parser_state->pseudo_header->call_num[0] = '\0';
225 parser_state->pseudo_header->chunk = 0;
226 parser_state->pseudo_header->task = $7;
228 /* because we have two data groups */
229 parser_state->first_hexbyte = 0;
234 PRI-XMIT-19: (task "l1Task" at 0x10216840, time: 274758.67) 4 octets @ 0x1027c1c0
236 PRI-RCV-27: (task "idle task" at 0x10123570, time: 560194.01) 4 octets @ 0x1027fb00
238 isdn_hdr: isdn_prefix decnum KEYWORD string KEYWORD hexnum KEYWORD decnum decnum decnum KEYWORD HEXNUM {
239 parser_state->wirelen = $10;
240 parser_state->secs = $8;
241 parser_state->usecs = $9;
242 if (parser_state->pseudo_header != NULL) {
243 parser_state->pseudo_header->type = $1;
244 parser_state->pseudo_header->sess = $2;
245 parser_state->pseudo_header->call_num[0] = '\0';
246 parser_state->pseudo_header->chunk = 0;
247 parser_state->pseudo_header->task = $6;
249 parser_state->first_hexbyte = 0;
254 ETHER3ND XMIT: (task "_sarTask" at 0x802c6eb0, time: 259848.11) 414 octets @ 0xa
257 ether_hdr: ether_prefix string KEYWORD string KEYWORD hexnum KEYWORD decnum decnum
258 decnum KEYWORD HEXNUM {
259 parser_state->wirelen = $10;
260 parser_state->secs = $8;
261 parser_state->usecs = $9;
262 if (parser_state->pseudo_header != NULL) {
263 parser_state->pseudo_header->type = $1;
264 parser_state->pseudo_header->call_num[0] = '\0';
265 parser_state->pseudo_header->chunk = 0;
266 parser_state->pseudo_header->task = $6;
271 /* RECV-iguana:241:(task: B02614C0, time: 1975432.85) 49 octets @ 8003BD94 */
272 /* 1 2 3 4 5 6 7 8 9 10 11 */
273 wds_hdr: wds_prefix string decnum KEYWORD hexnum KEYWORD decnum decnum decnum KEYWORD HEXNUM {
274 parser_state->wirelen = $9;
275 parser_state->secs = $7;
276 parser_state->usecs = $8;
277 if (parser_state->pseudo_header != NULL) {
278 /* parser_state->pseudo_header->user is set in ascend_scanner.l */
279 parser_state->pseudo_header->type = $1;
280 parser_state->pseudo_header->sess = $3;
281 parser_state->pseudo_header->call_num[0] = '\0';
282 parser_state->pseudo_header->chunk = 0;
283 parser_state->pseudo_header->task = $5;
288 /* RECV-Max7:20: (task "_brouterControlTask" at 0xb094ac20, time: 1481.50) 20 octets @ 0x8000d198 */
289 /* 1 2 3 4 5 6 7 8 9 10 11 12 13 */
290 wds8_hdr: wds_prefix string decnum KEYWORD string KEYWORD hexnum KEYWORD decnum decnum decnum KEYWORD HEXNUM {
291 parser_state->wirelen = $11;
292 parser_state->secs = $9;
293 parser_state->usecs = $10;
294 if (parser_state->pseudo_header != NULL) {
295 /* parser_state->pseudo_header->user is set in ascend_scanner.l */
296 parser_state->pseudo_header->type = $1;
297 parser_state->pseudo_header->sess = $3;
298 parser_state->pseudo_header->call_num[0] = '\0';
299 parser_state->pseudo_header->chunk = 0;
300 parser_state->pseudo_header->task = $7;
305 /* RECV-187:(task: B050B480, time: 18042248.03) 100 octets @ 800012C0 */
306 /* 1 2 3 4 5 6 7 8 9 10 */
307 wdp7_hdr: wds_prefix decnum KEYWORD hexnum KEYWORD decnum decnum decnum KEYWORD HEXNUM {
308 parser_state->wirelen = $8;
309 parser_state->secs = $6;
310 parser_state->usecs = $7;
311 if (parser_state->pseudo_header != NULL) {
312 /* parser_state->pseudo_header->user is set in ascend_scanner.l */
313 parser_state->pseudo_header->type = $1;
314 parser_state->pseudo_header->sess = $2;
315 parser_state->pseudo_header->call_num[0] = '\0';
316 parser_state->pseudo_header->chunk = 0;
317 parser_state->pseudo_header->task = $4;
322 /* XMIT-44: (task "freedm_task" at 0xe051fd10, time: 6258.66) 29 octets @ 0x606d1f00 */
323 /* 1 2 3 4 5 6 7 8 9 10 11 12 */
324 wdp8_hdr: wds_prefix decnum KEYWORD string KEYWORD hexnum KEYWORD decnum decnum decnum KEYWORD HEXNUM {
325 parser_state->wirelen = $10;
326 parser_state->secs = $8;
327 parser_state->usecs = $9;
328 if (parser_state->pseudo_header != NULL) {
329 /* parser_state->pseudo_header->user is set in ascend_scanner.l */
330 parser_state->pseudo_header->type = $1;
331 parser_state->pseudo_header->sess = $2;
332 parser_state->pseudo_header->call_num[0] = '\0';
333 parser_state->pseudo_header->chunk = 0;
334 parser_state->pseudo_header->task = $6;
340 Date: 01/12/1990. Time: 12:22:33
341 Cause an attempt to place call to 14082750382
343 /* 1 2 3 4 5 6 7 8 9 10*/
344 wdd_date: WDD_DATE decnum decnum decnum KEYWORD decnum decnum decnum KEYWORD string {
346 * Supply the date/time value to the code above us; it will use the
347 * first date/time value supplied as the capture start date/time.
355 wddt.tm_mon = $2 - 1;
356 wddt.tm_year = ($4 > 1970) ? $4 - 1900 : 70;
359 parser_state->timestamp = (guint32) mktime(&wddt);
360 parser_state->saw_timestamp = TRUE;
365 WD_DIALOUT_DISP: chunk 2515EE type IP.
366 (task: 251790, time: 994953.28) 44 octets @ 2782B8
368 /* 1 2 3 4 5 6 7 8 9 10 11*/
369 wdd_hdr: WDD_CHUNK hexnum KEYWORD KEYWORD hexnum KEYWORD decnum decnum decnum KEYWORD HEXNUM {
370 parser_state->wirelen = $9;
371 parser_state->secs = $7;
372 parser_state->usecs = $8;
373 if (parser_state->pseudo_header != NULL) {
374 /* parser_state->pseudo_header->call_num is set in ascend_scanner.l */
375 parser_state->pseudo_header->type = ASCEND_PFX_WDD;
376 parser_state->pseudo_header->user[0] = '\0';
377 parser_state->pseudo_header->sess = 0;
378 parser_state->pseudo_header->chunk = $2;
379 parser_state->pseudo_header->task = $5;
385 /* remember the position of the data group in the trace, to tip off
386 ascend_find_next_packet() as to where to look for the next header. */
387 if (parser_state->first_hexbyte == 0)
388 parser_state->first_hexbyte = file_tell(fh);
390 /* XXX - if this test fails, it means that we parsed more bytes than
391 the header claimed there were. */
392 if (parser_state->caplen < parser_state->wirelen) {
393 parser_state->pkt_data[parser_state->caplen] = $1;
394 parser_state->caplen++;
397 /* arbitrary safety maximum... */
398 if (parser_state->caplen >= ASCEND_MAX_PKT_LEN)
403 /* XXX There must be a better way to do this... */
407 | byte byte byte byte
408 | byte byte byte byte byte
409 | byte byte byte byte byte byte
410 | byte byte byte byte byte byte byte
411 | byte byte byte byte byte byte byte byte
412 | byte byte byte byte byte byte byte byte byte
413 | byte byte byte byte byte byte byte byte byte byte
414 | byte byte byte byte byte byte byte byte byte byte byte
415 | byte byte byte byte byte byte byte byte byte byte byte byte
416 | byte byte byte byte byte byte byte byte byte byte byte byte byte
417 | byte byte byte byte byte byte byte byte byte byte byte byte byte byte
418 | byte byte byte byte byte byte byte byte byte byte byte byte byte byte byte
419 | byte byte byte byte byte byte byte byte byte byte byte byte byte byte byte byte
422 dataln: COUNTER bytegroup;
426 | dataln dataln dataln
427 | dataln dataln dataln dataln
428 | dataln dataln dataln dataln dataln
429 | dataln dataln dataln dataln dataln dataln
430 | dataln dataln dataln dataln dataln dataln dataln
431 | dataln dataln dataln dataln dataln dataln dataln dataln
438 /* Run the parser. */
440 run_ascend_parser(FILE_T fh, wtap_rec *rec, guint8 *pd,
441 ascend_state_t *parser_state, int *err, gchar **err_info)
443 yyscan_t scanner = NULL;
446 if (ascendlex_init(&scanner) != 0) {
447 /* errno is set if this fails */
452 /* Associate the parser state with the lexical analyzer state */
453 ascendset_extra(parser_state, scanner);
454 parser_state->fh = fh;
455 parser_state->ascend_parse_error = NULL;
456 parser_state->err = 0;
457 parser_state->err_info = NULL;
458 parser_state->pseudo_header = &rec->rec_header.packet_header.pseudo_header.ascend;
459 parser_state->pkt_data = pd;
462 * We haven't seen a time stamp yet.
464 parser_state->saw_timestamp = FALSE;
465 parser_state->timestamp = 0;
467 parser_state->first_hexbyte = 0;
468 parser_state->caplen = 0;
469 parser_state->wirelen = 0;
471 parser_state->secs = 0;
472 parser_state->usecs = 0;
475 * Not all packets in a "wdd" dump necessarily have a "Cause an
476 * attempt to place call to" header (I presume this can happen if
477 * there was a call in progress when the packet was sent or
478 * received), so we won't necessarily have the phone number for
481 * XXX - we could assume, in the sequential pass, that it's the
482 * phone number from the last call, and remember that for use
483 * when doing random access.
485 parser_state->pseudo_header->call_num[0] = '\0';
487 status = yyparse(scanner, parser_state, fh);
488 *err = parser_state->err;
489 *err_info = parser_state->err_info;
494 yyerror (void *yyscanner, ascend_state_t *state _U_, FILE_T fh _U_, const char *s)
496 ascendget_extra(yyscanner)->ascend_parse_error = s;