File: | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c |
Warning: | line 2935, column 19 Potential leak of memory pointed to by 'el' |
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1 | /* idl2wrs.c | |||
2 | * DCE RPC IDL to Wireshark dissector compiler | |||
3 | * | |||
4 | * Wireshark - Network traffic analyzer | |||
5 | * By Gerald Combs <[email protected]> | |||
6 | * Copyright 1998 Gerald Combs | |||
7 | * | |||
8 | * SPDX-License-Identifier: GPL-2.0-or-later | |||
9 | */ | |||
10 | ||||
11 | /* | |||
12 | TODO | |||
13 | check that every cnf defined type,hffield,rename,... has been referenced | |||
14 | at least once and if not, abort with an error | |||
15 | ||||
16 | need to distinguish between NTTIME (absolute time) and relative time | |||
17 | ||||
18 | prune_xxx should only act inside of '[' ']' | |||
19 | ||||
20 | add support for bool8,16,32,64 with tfs strings | |||
21 | ||||
22 | add the remaining array type (uvarray) | |||
23 | ||||
24 | add code to verify that union tag length is correct | |||
25 | */ | |||
26 | /* List of built in types : | |||
27 | WERROR A 32 bit integer holding a DCE/NT status code. | |||
28 | ||||
29 | uint8 A 8 bit integer | |||
30 | int8 | |||
31 | ||||
32 | uint16 A 16 bit integer | |||
33 | int16 | |||
34 | ||||
35 | uint32 A 32 bit integer | |||
36 | int32 | |||
37 | ||||
38 | uint64 A 64 bit integer | |||
39 | ||||
40 | udlong A 64 bit integer aligned on 4 byte boundary | |||
41 | dlong | |||
42 | ||||
43 | time_t A 32 bit integer holding a unix style time_t | |||
44 | ||||
45 | NTTIME_hyper A 64 bit integer representing a NTTIME | |||
46 | NTTIME_1sec | |||
47 | ||||
48 | unistr A conformant and varying unicode string | |||
49 | ||||
50 | ascstr A conformant and varying ascii string | |||
51 | ||||
52 | ||||
53 | SID A SID structure. | |||
54 | ||||
55 | uuid_t A 16 byte FT_GUID blob. | |||
56 | GUID | |||
57 | ||||
58 | ||||
59 | policy_handle | |||
60 | bool8 | |||
61 | uuid_t | |||
62 | policy_handle | |||
63 | NTTIME | |||
64 | */ | |||
65 | ||||
66 | /* All field dissectors that call a normal type | |||
67 | (i.e. not a pointer, not an array) | |||
68 | has a local variable unsigned param declared which is passed on to the | |||
69 | type dissector. | |||
70 | The default value is 0 but the PARAM_VALUE conformance tag can be used to | |||
71 | change it. | |||
72 | This is only meaningful if the called type dissector actually does anything | |||
73 | with this parameter. | |||
74 | */ | |||
75 | ||||
76 | #define _GNU_SOURCE | |||
77 | ||||
78 | #include <glib.h> | |||
79 | #include <glib/gstdio.h> | |||
80 | #include <string.h> | |||
81 | #include <stdlib.h> | |||
82 | #include <stdarg.h> | |||
83 | #include <wsutil/strtoi.h> | |||
84 | ||||
85 | #undef IDL2WRS_DEBUG | |||
86 | ||||
87 | #define DISSECTORNAME_MAXLEN256 256 | |||
88 | ||||
89 | #define BASE_BUFFER_SIZE256 256 | |||
90 | ||||
91 | static FILE *tfh, *eth_code, *eth_hdr, *eth_hf, *eth_hfarr, *eth_ett, *eth_ettarr, *eth_ft, *eth_handoff; | |||
92 | static char *uuid=NULL((void*)0); | |||
93 | static char *version=NULL((void*)0); | |||
94 | static const char *pointer_default=NULL((void*)0); | |||
95 | static char *ifname=NULL((void*)0); | |||
96 | static char hf_status[BASE_BUFFER_SIZE256]; | |||
97 | static int lineno,linepos; | |||
98 | static char line[4 * BASE_BUFFER_SIZE256]; | |||
99 | ||||
100 | static void FPRINTF(FILE *fh, const char *format, ...) | |||
101 | { | |||
102 | va_list args; | |||
103 | ||||
104 | #ifdef IDL2WRS_DEBUG | |||
105 | va_start(args, format)__builtin_va_start(args, format); | |||
106 | vfprintf (stderrstderr, format, args); | |||
107 | va_end(args)__builtin_va_end(args); | |||
108 | #endif | |||
109 | if (fh) { | |||
110 | va_start(args, format)__builtin_va_start(args, format); | |||
111 | vfprintf (fh, format, args); | |||
112 | va_end(args)__builtin_va_end(args); | |||
113 | } | |||
114 | } | |||
115 | ||||
116 | typedef struct _pointer_item_t { | |||
117 | struct _pointer_item_t *next; | |||
118 | const char *type; | |||
119 | } pointer_item_t; | |||
120 | ||||
121 | #define BI_CASE0x00000001 0x00000001 | |||
122 | #define BI_CASE_DEFAULT0x00000002 0x00000002 | |||
123 | #define BI_IN0x00000004 0x00000004 | |||
124 | #define BI_OUT0x00000008 0x00000008 | |||
125 | #define BI_SIZE_IS0x00000010 0x00000010 | |||
126 | #define BI_LENGTH_IS0x00000020 0x00000020 | |||
127 | #define BI_POINTER0x00000040 0x00000040 | |||
128 | #define BI_BITMAP80x00000100 0x00000100 | |||
129 | #define BI_BITMAP320x00000200 0x00000200 | |||
130 | #define BI_SWITCH_TYPE0x00000400 0x00000400 | |||
131 | typedef struct _bracket_item_t { | |||
132 | unsigned int flags; | |||
133 | const char *case_name; | |||
134 | pointer_item_t *pointer_list; | |||
135 | int union_tag_size; | |||
136 | } bracket_item_t; | |||
137 | ||||
138 | typedef struct _no_emit_item_t { | |||
139 | struct _no_emit_item_t *next; | |||
140 | char *name; | |||
141 | } no_emit_item_t; | |||
142 | static no_emit_item_t *no_emit_list=NULL((void*)0); | |||
143 | ||||
144 | typedef struct _hf_rename_item_t { | |||
145 | struct _hf_rename_item_t *next; | |||
146 | int refcount; /* number of times this rename has been referenced */ | |||
147 | char *old_name; | |||
148 | char *new_name; | |||
149 | } hf_rename_item_t; | |||
150 | static hf_rename_item_t *hf_rename_list=NULL((void*)0); | |||
151 | ||||
152 | typedef struct _enum_list_t { | |||
153 | struct _enum_list_t *next; | |||
154 | char *name; | |||
155 | int val; | |||
156 | } enum_list_t; | |||
157 | ||||
158 | typedef struct _token_item_t { | |||
159 | struct _token_item_t *next; | |||
160 | char *str; | |||
161 | } token_item_t; | |||
162 | static token_item_t *token_list=NULL((void*)0); | |||
163 | static token_item_t *last_token_item=NULL((void*)0); | |||
164 | ||||
165 | typedef struct _type_item_t { | |||
166 | struct _type_item_t *next; | |||
167 | char *name; | |||
168 | char *dissector; | |||
169 | char *ft_type; | |||
170 | char *base_type; | |||
171 | char *mask; | |||
172 | char *vals; | |||
173 | int alignment; | |||
174 | } type_item_t; | |||
175 | static type_item_t *type_list=NULL((void*)0); | |||
176 | ||||
177 | typedef struct _union_tag_size_item_t { | |||
178 | struct _union_tag_size_item_t *next; | |||
179 | char *name; | |||
180 | int size; | |||
181 | } union_tag_size_item_t; | |||
182 | static union_tag_size_item_t *union_tag_size_list=NULL((void*)0); | |||
183 | ||||
184 | typedef struct _hf_field_item_t { | |||
185 | struct _hf_field_item_t *next; | |||
186 | char *name; | |||
187 | char *ft_type; | |||
188 | } hf_field_item_t; | |||
189 | static hf_field_item_t *hf_field_list=NULL((void*)0); | |||
190 | ||||
191 | typedef struct _dissector_param_value_t { | |||
192 | struct _dissector_param_value_t *next; | |||
193 | char *name; | |||
194 | char *value; | |||
195 | } dissector_param_value_t; | |||
196 | static dissector_param_value_t *dissector_param_list=NULL((void*)0); | |||
197 | ||||
198 | static type_item_t *find_type(char *name); | |||
199 | static int Exit(int code); | |||
200 | ||||
201 | static void | |||
202 | register_dissector_param_value(const char *name, const char *value) | |||
203 | { | |||
204 | dissector_param_value_t *dpv; | |||
205 | dpv=g_new0(dissector_param_value_t, 1)((dissector_param_value_t *) g_malloc0_n ((1), sizeof (dissector_param_value_t ))); | |||
206 | if (!dpv) { | |||
207 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
208 | exit(10); | |||
209 | } | |||
210 | dpv->next=dissector_param_list; | |||
211 | dissector_param_list=dpv; | |||
212 | dpv->name=g_strdup(name)g_strdup_inline (name); | |||
213 | dpv->value=g_strdup(value)g_strdup_inline (value); | |||
214 | } | |||
215 | ||||
216 | static const char * | |||
217 | find_dissector_param_value(char *name) | |||
218 | { | |||
219 | dissector_param_value_t *dpv; | |||
220 | for(dpv=dissector_param_list;dpv;dpv=dpv->next){ | |||
221 | if(!g_strcmp0(name,dpv->name)){ | |||
222 | return dpv->value; | |||
223 | } | |||
224 | } | |||
225 | return "0"; | |||
226 | } | |||
227 | ||||
228 | static pointer_item_t * | |||
229 | prepend_pointer_list(pointer_item_t *ptrs, int num_pointers) | |||
230 | { | |||
231 | pointer_item_t *pi; | |||
232 | ||||
233 | pi=ptrs; | |||
234 | while(pi){ | |||
235 | if(num_pointers)num_pointers--; | |||
236 | pi=pi->next; | |||
237 | } | |||
238 | pi=ptrs; | |||
239 | while(num_pointers--){ | |||
240 | pi=g_new0(pointer_item_t, 1)((pointer_item_t *) g_malloc0_n ((1), sizeof (pointer_item_t) )); | |||
241 | if (!pi) { | |||
242 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
243 | exit(10); | |||
244 | } | |||
245 | pi->next=ptrs; | |||
246 | pi->type=pointer_default; | |||
247 | ptrs=pi; | |||
248 | } | |||
249 | ptrs=pi; | |||
250 | ||||
251 | return ptrs; | |||
252 | } | |||
253 | ||||
254 | static const char * | |||
255 | ptr_to_define(const char *pointer_type) | |||
256 | { | |||
257 | if(!g_strcmp0(pointer_type, "unique")){ | |||
258 | return "NDR_POINTER_UNIQUE"; | |||
259 | } else if(!g_strcmp0(pointer_type, "ref")){ | |||
260 | return "NDR_POINTER_REF"; | |||
261 | } else if(!g_strcmp0(pointer_type, "ptr")){ | |||
262 | return "NDR_POINTER_PTR"; | |||
263 | } | |||
264 | ||||
265 | FPRINTF(stderrstderr, "prt_to_define, weirdo pointer :%s\n", pointer_type); | |||
266 | exit(10); | |||
267 | } | |||
268 | ||||
269 | static int | |||
270 | get_union_tag_size(char *name) | |||
271 | { | |||
272 | union_tag_size_item_t *utsi; | |||
273 | for(utsi=union_tag_size_list;utsi;utsi=utsi->next){ | |||
274 | if(!g_strcmp0(name, utsi->name)){ | |||
275 | return utsi->size; | |||
276 | } | |||
277 | } | |||
278 | FPRINTF(stderrstderr, "ERROR: size of tag for union:%s is not known\n", name); | |||
279 | FPRINTF(stderrstderr, " use the UNION_TAG_SIZE directive to specify it in teh conformance file\n"); | |||
280 | exit(10); | |||
281 | } | |||
282 | ||||
283 | ||||
284 | /* this function will add an entry to the hf_rename list */ | |||
285 | static void | |||
286 | register_hf_rename(const char *old_name, const char *new_name) | |||
287 | { | |||
288 | hf_rename_item_t *new_item; | |||
289 | new_item=g_new0(hf_rename_item_t, 1)((hf_rename_item_t *) g_malloc0_n ((1), sizeof (hf_rename_item_t ))); | |||
290 | if (!new_item) { | |||
291 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
292 | exit(10); | |||
293 | } | |||
294 | new_item->next=hf_rename_list; | |||
295 | hf_rename_list=new_item; | |||
296 | new_item->refcount=0; | |||
297 | new_item->old_name=g_strdup(old_name)g_strdup_inline (old_name); | |||
298 | new_item->new_name=g_strdup(new_name)g_strdup_inline (new_name); | |||
299 | } | |||
300 | ||||
301 | /* this function checks that all hf_rename fields have actually been referenced | |||
302 | if not out conformance file is stale | |||
303 | */ | |||
304 | static void | |||
305 | check_hf_rename_refcount(void) | |||
306 | { | |||
307 | hf_rename_item_t *hri; | |||
308 | ||||
309 | /* don't generate code for renamed hf fields just return the new name*/ | |||
310 | for(hri=hf_rename_list;hri;hri=hri->next){ | |||
311 | if(!hri->refcount){ | |||
312 | FPRINTF(stderrstderr, "ERROR: the hf_rename field:%s was never referenced. it is likely the conformance file is stale\n", hri->old_name); | |||
313 | exit(10); | |||
314 | } | |||
315 | } | |||
316 | } | |||
317 | ||||
318 | static hf_field_item_t * | |||
319 | find_hf_field(char *name) | |||
320 | { | |||
321 | hf_field_item_t *hfi; | |||
322 | ||||
323 | for(hfi=hf_field_list;hfi;hfi=hfi->next){ | |||
324 | if(!g_strcmp0(hfi->name, name)){ | |||
325 | break; | |||
326 | } | |||
327 | } | |||
328 | if (!hfi) { | |||
329 | FPRINTF(stderrstderr, "find_hf_field: unknown hf_field:%s\n",name); | |||
330 | Exit(10); | |||
331 | } | |||
332 | ||||
333 | return hfi; | |||
334 | } | |||
335 | ||||
336 | ||||
337 | /* this function will create the code required for a hf field. | |||
338 | it MIGHT rename the field so a user MUST use the name returned | |||
339 | from this function. | |||
340 | for fields that are to be renamed no code is generated | |||
341 | */ | |||
342 | static const char * | |||
343 | register_hf_field(const char *hf_name, const char *title, const char *filter_name, const char *ft_type, const char *base_type, const char *valsstring, const char *mask, const char *blurb) | |||
344 | { | |||
345 | hf_field_item_t *hfi; | |||
346 | hf_rename_item_t *hri; | |||
347 | ||||
348 | /* don't generate code for renamed hf fields just return the new name*/ | |||
349 | for(hri=hf_rename_list;hri;hri=hri->next){ | |||
350 | if(!strncmp(hf_name, hri->old_name, strlen(hf_name))){ | |||
351 | hfi=find_hf_field(hri->new_name); | |||
352 | if(g_strcmp0(ft_type, hfi->ft_type)){ | |||
353 | FPRINTF(stderrstderr, "register_hf_field: hf_fields %s and %s have different types %s %s\n",hf_name,hfi->name,ft_type,hfi->ft_type); | |||
354 | Exit(10); | |||
355 | } | |||
356 | hri->refcount++; | |||
357 | return hri->new_name; | |||
358 | } | |||
359 | } | |||
360 | ||||
361 | hfi=g_new0(hf_field_item_t, 1)((hf_field_item_t *) g_malloc0_n ((1), sizeof (hf_field_item_t ))); | |||
362 | if (!hfi) { | |||
363 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
364 | exit(10); | |||
365 | } | |||
366 | hfi->next=hf_field_list; | |||
367 | hf_field_list=hfi; | |||
368 | hfi->name=g_strdup(hf_name)g_strdup_inline (hf_name); | |||
369 | hfi->ft_type=g_strdup(ft_type)g_strdup_inline (ft_type); | |||
370 | ||||
371 | FPRINTF(eth_hf, "static int %s;\n", hf_name); | |||
372 | FPRINTF(eth_hfarr, " { &%s,\n", hf_name); | |||
373 | FPRINTF(eth_hfarr, " { \"%s\", \"%s\", %s, %s,\n", title, filter_name, ft_type, base_type); | |||
374 | FPRINTF(eth_hfarr, " %s, %s,\n", valsstring, mask); | |||
375 | if (strlen(blurb) > 0) | |||
376 | FPRINTF(eth_hfarr, " \"%s\", HFILL }},\n", blurb); | |||
377 | else | |||
378 | FPRINTF(eth_hfarr, " NULL, HFILL }},\n"); | |||
379 | FPRINTF(eth_hfarr, "\n"); | |||
380 | ||||
381 | return hf_name; | |||
382 | } | |||
383 | ||||
384 | /* this function will parse the no emit list and decide whether code should | |||
385 | be generated for this dissector or if we should only register the type. | |||
386 | */ | |||
387 | static int | |||
388 | check_if_to_emit(char *name) | |||
389 | { | |||
390 | no_emit_item_t *nel; | |||
391 | ||||
392 | for(nel=no_emit_list;nel;nel=nel->next){ | |||
393 | if(!g_strcmp0(name, nel->name)){ | |||
394 | FPRINTF(NULL((void*)0), "SKIPPED emitting of %s\n",name); | |||
395 | return 0; | |||
396 | } | |||
397 | } | |||
398 | return 1; | |||
399 | } | |||
400 | ||||
401 | #if 0 | |||
402 | static void | |||
403 | prune_keywords(char *name) | |||
404 | { | |||
405 | token_item_t *ti; | |||
406 | ||||
407 | for(ti=token_list;ti;ti=ti->next){ | |||
408 | if(!ti->next){ | |||
409 | break; | |||
410 | } | |||
411 | if(!g_strcmp0(ti->next->str, name)){ | |||
412 | if(!g_strcmp0(ti->next->next->str, ",")){ | |||
413 | ti->next=ti->next->next->next; | |||
414 | } else { | |||
415 | ti->next=ti->next->next; | |||
416 | } | |||
417 | } | |||
418 | } | |||
419 | } | |||
420 | #endif | |||
421 | ||||
422 | static void | |||
423 | rename_tokens(const char *old_name, const char *new_name) | |||
424 | { | |||
425 | token_item_t *ti; | |||
426 | ||||
427 | for(ti=token_list;ti;ti=ti->next){ | |||
428 | if(!g_strcmp0(ti->str, old_name)){ | |||
429 | ti->str=g_strdup(new_name)g_strdup_inline (new_name); | |||
430 | } | |||
431 | } | |||
432 | } | |||
433 | ||||
434 | static void | |||
435 | prune_keyword_parameters(const char *name) | |||
436 | { | |||
437 | token_item_t *ti, *tmpti; | |||
438 | ||||
439 | for(ti=token_list;ti;ti=ti->next){ | |||
440 | if(!g_strcmp0(ti->str, name)){ | |||
441 | if(!g_strcmp0(ti->next->str, "(")){ | |||
442 | tmpti=ti; | |||
443 | while(1){ | |||
444 | if(!g_strcmp0(tmpti->str, ")")){ | |||
445 | ti->next=tmpti->next; | |||
446 | break; | |||
447 | } | |||
448 | tmpti=tmpti->next; | |||
449 | } | |||
450 | } | |||
451 | } | |||
452 | } | |||
453 | } | |||
454 | ||||
455 | /* this function will parse a bracket item | |||
456 | [ ... ] | |||
457 | it will return the token of the next item following the ']' | |||
458 | */ | |||
459 | static token_item_t * | |||
460 | parsebrackets(token_item_t *ti, bracket_item_t **bracket){ | |||
461 | bracket_item_t *br; | |||
462 | const type_item_t *type_item; | |||
463 | ||||
464 | if(g_strcmp0(ti->str, "[")){ | |||
465 | FPRINTF(stderrstderr, "ERROR: parsebrackets first token is not '['\n"); | |||
466 | Exit(10); | |||
467 | } | |||
468 | ti=ti->next; | |||
469 | ||||
470 | br=g_new0(bracket_item_t, 1)((bracket_item_t *) g_malloc0_n ((1), sizeof (bracket_item_t) )); | |||
471 | if (!br) { | |||
472 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
473 | exit(10); | |||
474 | } | |||
475 | *bracket=br; | |||
476 | br->flags=0; | |||
477 | br->case_name=NULL((void*)0); | |||
478 | br->pointer_list=NULL((void*)0); | |||
479 | ||||
480 | while(ti){ | |||
481 | if( !g_strcmp0(ti->str, "{") | |||
482 | ||!g_strcmp0(ti->str, "}")){ | |||
483 | FPRINTF(stderrstderr, "ERROR: parsebrackets '{' '}' inside bracket item\n"); | |||
484 | Exit(10); | |||
485 | } | |||
486 | ||||
487 | if(!g_strcmp0(ti->str, "[")){ | |||
488 | FPRINTF(stderrstderr, "ERROR: parsebrackets '[' inside bracket item\n"); | |||
489 | Exit(10); | |||
490 | } | |||
491 | ||||
492 | /* finished */ | |||
493 | if(!g_strcmp0(ti->str, "]")){ | |||
494 | /* check for [ ... ] [ ...] */ | |||
495 | ti=ti->next; | |||
496 | ||||
497 | if(!g_strcmp0(ti->str, "[")){ | |||
498 | ti=ti->next; | |||
499 | continue; | |||
500 | } | |||
501 | return ti; | |||
502 | } | |||
503 | ||||
504 | /* just ignore all ',' */ | |||
505 | if(!g_strcmp0(ti->str, ",")){ | |||
506 | ti=ti->next; | |||
507 | continue; | |||
508 | } | |||
509 | ||||
510 | /* case '(' tag ')' */ | |||
511 | if(!g_strcmp0(ti->str, "case")){ | |||
512 | br->flags|=BI_CASE0x00000001; | |||
513 | ti=ti->next; | |||
514 | ||||
515 | if(g_strcmp0(ti->str, "(")){ | |||
516 | FPRINTF(stderrstderr, "ERROR: parsebrackets case not followed by '('\n"); | |||
517 | Exit(10); | |||
518 | } | |||
519 | ti=ti->next; | |||
520 | ||||
521 | /* name */ | |||
522 | br->case_name=ti->str; | |||
523 | ti=ti->next; | |||
524 | ||||
525 | if(g_strcmp0(ti->str, ")")){ | |||
526 | FPRINTF(stderrstderr, "ERROR: parsebrackets case does not end with ')'\n"); | |||
527 | Exit(10); | |||
528 | } | |||
529 | ti=ti->next; | |||
530 | continue; | |||
531 | } | |||
532 | ||||
533 | /* default */ | |||
534 | if(!g_strcmp0(ti->str, "default")){ | |||
535 | br->flags|=BI_CASE0x00000001; | |||
536 | br->flags|=BI_CASE_DEFAULT0x00000002; | |||
537 | br->case_name="default"; | |||
538 | ti=ti->next; | |||
539 | continue; | |||
540 | } | |||
541 | ||||
542 | ||||
543 | /* in */ | |||
544 | if(!g_strcmp0(ti->str, "in")){ | |||
545 | br->flags|=BI_IN0x00000004; | |||
546 | ti=ti->next; | |||
547 | continue; | |||
548 | } | |||
549 | ||||
550 | /* out */ | |||
551 | if(!g_strcmp0(ti->str, "out")){ | |||
552 | br->flags|=BI_OUT0x00000008; | |||
553 | ti=ti->next; | |||
554 | continue; | |||
555 | } | |||
556 | ||||
557 | /* public : we don't care about this one */ | |||
558 | if(!g_strcmp0(ti->str, "public")){ | |||
559 | ti=ti->next; | |||
560 | continue; | |||
561 | } | |||
562 | ||||
563 | /* gensize : we don't care about this one */ | |||
564 | if(!g_strcmp0(ti->str, "gensize")){ | |||
565 | ti=ti->next; | |||
566 | continue; | |||
567 | } | |||
568 | ||||
569 | /* switch_is */ | |||
570 | if(!g_strcmp0(ti->str, "switch_is")){ | |||
571 | FPRINTF(stderrstderr, "WARNING: parsebrackets can not handle switch_is properly yet so we can not verify the tag size\n"); | |||
572 | while(ti){ | |||
573 | if(!g_strcmp0(ti->str, ")")){ | |||
574 | ti=ti->next; | |||
575 | break; | |||
576 | } | |||
577 | ti=ti->next; | |||
578 | } | |||
579 | continue; | |||
580 | } | |||
581 | ||||
582 | /* switch_is */ | |||
583 | if(!g_strcmp0(ti->str, "subcontext")){ | |||
584 | while(ti){ | |||
585 | if(!g_strcmp0(ti->str, ")")){ | |||
586 | ti=ti->next; | |||
587 | break; | |||
588 | } | |||
589 | ti=ti->next; | |||
590 | } | |||
591 | continue; | |||
592 | } | |||
593 | ||||
594 | /* value we don't care about this one so just skip it */ | |||
595 | if(!g_strcmp0(ti->str, "value")){ | |||
596 | int level; | |||
597 | ti=ti->next; | |||
598 | if( g_strcmp0(ti->str, "(") ){ | |||
599 | FPRINTF(stderrstderr, "WARNING: parsebrackets value was not followed by '('\n"); | |||
600 | Exit(10); | |||
601 | } | |||
602 | level=0; | |||
603 | while(ti){ | |||
604 | if(!g_strcmp0(ti->str, "(")){ | |||
605 | ti=ti->next; | |||
606 | level++; | |||
607 | continue; | |||
608 | } | |||
609 | if(!g_strcmp0(ti->str, ")")){ | |||
610 | ti=ti->next; | |||
611 | level--; | |||
612 | if(level){ | |||
613 | continue; | |||
614 | } | |||
615 | break; | |||
616 | } | |||
617 | ti=ti->next; | |||
618 | } | |||
619 | continue; | |||
620 | } | |||
621 | ||||
622 | /* range we don't care about this one so just skip it */ | |||
623 | if(!g_strcmp0(ti->str, "range")){ | |||
624 | int level; | |||
625 | ti=ti->next; | |||
626 | if( g_strcmp0(ti->str, "(") ){ | |||
627 | FPRINTF(stderrstderr, "WARNING: parsebrackets range was not followed by '('\n"); | |||
628 | Exit(10); | |||
629 | } | |||
630 | level=0; | |||
631 | while(ti){ | |||
632 | if(!g_strcmp0(ti->str, "(")){ | |||
633 | ti=ti->next; | |||
634 | level++; | |||
635 | continue; | |||
636 | } | |||
637 | if(!g_strcmp0(ti->str, ")")){ | |||
638 | ti=ti->next; | |||
639 | level--; | |||
640 | if(level){ | |||
641 | continue; | |||
642 | } | |||
643 | break; | |||
644 | } | |||
645 | ti=ti->next; | |||
646 | } | |||
647 | continue; | |||
648 | } | |||
649 | ||||
650 | /* flag we don't care about this one so just skip it */ | |||
651 | if(!g_strcmp0(ti->str, "flag")){ | |||
652 | int level; | |||
653 | ti=ti->next; | |||
654 | if( g_strcmp0(ti->str, "(") ){ | |||
655 | FPRINTF(stderrstderr, "WARNING: parsebrackets flag was not followed by '('\n"); | |||
656 | Exit(10); | |||
657 | } | |||
658 | level=0; | |||
659 | while(ti){ | |||
660 | if(!g_strcmp0(ti->str, "(")){ | |||
661 | ti=ti->next; | |||
662 | level++; | |||
663 | continue; | |||
664 | } | |||
665 | if(!g_strcmp0(ti->str, ")")){ | |||
666 | ti=ti->next; | |||
667 | level--; | |||
668 | if(level){ | |||
669 | continue; | |||
670 | } | |||
671 | break; | |||
672 | } | |||
673 | ti=ti->next; | |||
674 | } | |||
675 | continue; | |||
676 | } | |||
677 | ||||
678 | /* switch_type */ | |||
679 | if(!g_strcmp0(ti->str, "switch_type")){ | |||
680 | br->flags|=BI_SWITCH_TYPE0x00000400; | |||
681 | ti=ti->next; | |||
682 | ||||
683 | if(g_strcmp0(ti->str, "(")){ | |||
684 | FPRINTF(stderrstderr, "WARNING: parsebrackets switch_type was not followed by '('\n"); | |||
685 | Exit(10); | |||
686 | } | |||
687 | ti=ti->next; | |||
688 | ||||
689 | type_item=find_type(ti->str); | |||
690 | if(!type_item){ | |||
691 | FPRINTF(stderrstderr, "ERROR : parsebrackets switch_type unknown type %s\n",ti->str); | |||
692 | Exit(10); | |||
693 | } | |||
694 | br->union_tag_size=type_item->alignment; | |||
695 | ti=ti->next; | |||
696 | ||||
697 | if(g_strcmp0(ti->str, ")")){ | |||
698 | FPRINTF(stderrstderr, "WARNING: parsebrackets switch_type did not end with ')'\n"); | |||
699 | Exit(10); | |||
700 | } | |||
701 | ti=ti->next; | |||
702 | ||||
703 | continue; | |||
704 | } | |||
705 | ||||
706 | /* size_is */ | |||
707 | if(!g_strcmp0(ti->str, "size_is")){ | |||
708 | br->flags|=BI_SIZE_IS0x00000010; | |||
709 | ti=ti->next; | |||
710 | continue; | |||
711 | } | |||
712 | ||||
713 | /* length_is */ | |||
714 | if(!g_strcmp0(ti->str, "length_is")){ | |||
715 | br->flags|=BI_LENGTH_IS0x00000020; | |||
716 | ti=ti->next; | |||
717 | continue; | |||
718 | } | |||
719 | ||||
720 | /* bitmap8bit */ | |||
721 | if(!g_strcmp0(ti->str, "bitmap8bit")){ | |||
722 | br->flags|=BI_BITMAP80x00000100; | |||
723 | ti=ti->next; | |||
724 | continue; | |||
725 | } | |||
726 | ||||
727 | /* bitmap32bit */ | |||
728 | if(!g_strcmp0(ti->str, "bitmap32bit")){ | |||
729 | br->flags|=BI_BITMAP320x00000200; | |||
730 | ti=ti->next; | |||
731 | continue; | |||
732 | } | |||
733 | ||||
734 | /* ref, unique or ptr */ | |||
735 | if(!g_strcmp0(ti->str, "ref") | |||
736 | || !g_strcmp0(ti->str, "unique") | |||
737 | || !g_strcmp0(ti->str, "ptr")){ | |||
738 | pointer_item_t *newpi; | |||
739 | ||||
740 | br->flags|=BI_POINTER0x00000040; | |||
741 | newpi=g_new0(pointer_item_t, 1)((pointer_item_t *) g_malloc0_n ((1), sizeof (pointer_item_t) )); | |||
742 | if (!newpi) { | |||
743 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
744 | exit(10); | |||
745 | } | |||
746 | newpi->next=NULL((void*)0); | |||
747 | newpi->type=ti->str; | |||
748 | newpi->next=br->pointer_list; | |||
749 | br->pointer_list=newpi; | |||
750 | ti=ti->next; | |||
751 | continue; | |||
752 | } | |||
753 | if(ti){ | |||
754 | FPRINTF(stderrstderr, "ERROR: parsebrackets should not be reached unknown tag:%s\n", ti->str); | |||
755 | } | |||
756 | Exit(10); | |||
757 | } | |||
758 | ||||
759 | return NULL((void*)0); | |||
760 | } | |||
761 | ||||
762 | /* this function will register a new type learnt from the IDL file | |||
763 | */ | |||
764 | static type_item_t * | |||
765 | register_new_type(const char *name, const char *dissectorname, const char *ft_type, const char *base_type, const char *mask, const char *valsstring, int alignment){ | |||
766 | type_item_t *new_type; | |||
767 | ||||
768 | FPRINTF(NULL((void*)0),"XXX new type:%s dissector:%s Type:%s Base:%s Mask:%s Vals:%s alignment:%d\n", name, dissectorname, ft_type, base_type, mask, valsstring, alignment); | |||
769 | ||||
770 | new_type=g_new0(type_item_t, 1)((type_item_t *) g_malloc0_n ((1), sizeof (type_item_t))); | |||
771 | if (!new_type) { | |||
772 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
773 | exit(10); | |||
774 | } | |||
775 | new_type->next=type_list; | |||
776 | new_type->name=g_strdup(name)g_strdup_inline (name); | |||
777 | new_type->dissector=g_strdup(dissectorname)g_strdup_inline (dissectorname); | |||
778 | new_type->ft_type=g_strdup(ft_type)g_strdup_inline (ft_type); | |||
779 | new_type->base_type=g_strdup(base_type)g_strdup_inline (base_type); | |||
780 | new_type->mask=g_strdup(mask)g_strdup_inline (mask); | |||
781 | new_type->vals=g_strdup(valsstring)g_strdup_inline (valsstring); | |||
782 | new_type->alignment=alignment; | |||
783 | type_list=new_type; | |||
784 | ||||
785 | return new_type; | |||
786 | } | |||
787 | ||||
788 | ||||
789 | /* this function will print the remaining content of the token list | |||
790 | */ | |||
791 | static void printtokenlist(int count) | |||
792 | { | |||
793 | token_item_t *ti; | |||
794 | FPRINTF(stderrstderr, "TOKENLIST:\n"); | |||
795 | for(ti=token_list;ti&&count;count--,ti=ti->next){ | |||
796 | FPRINTF(stderrstderr, "Token \"%s\"\n",ti->str); | |||
797 | } | |||
798 | if(!count){ | |||
799 | FPRINTF(stderrstderr, " ...\n"); | |||
800 | } | |||
801 | } | |||
802 | ||||
803 | ||||
804 | /* this function will parse the header and pick up the fields | |||
805 | * we are interested in. | |||
806 | * the header is supposed to start at the very first token and look like | |||
807 | * [ <fields> ] inteface <ifname> { | |||
808 | * | |||
809 | * we are interested in the fields: | |||
810 | * uuid | |||
811 | * version | |||
812 | * pointer_default | |||
813 | * | |||
814 | * this function will also g_remove the header from the token list | |||
815 | */ | |||
816 | static void parseheader(void) | |||
817 | { | |||
818 | char filter_name[BASE_BUFFER_SIZE256]; | |||
819 | token_item_t *ti; | |||
820 | int level=0; | |||
821 | int major, minor; | |||
822 | ||||
823 | ti=token_list; | |||
824 | if(!ti){ | |||
825 | FPRINTF(stderrstderr, "ERROR: no tokens\n"); | |||
826 | Exit(10); | |||
827 | } | |||
828 | ||||
829 | /* first token must be '[' */ | |||
830 | if( g_strcmp0(ti->str, "[") ){ | |||
831 | FPRINTF(stderrstderr, "ERROR: first token is not '['\n"); | |||
832 | Exit(10); | |||
833 | } | |||
834 | ||||
835 | for(ti=token_list;ti;ti=ti->next){ | |||
836 | if( !g_strcmp0(ti->str, "[")){ | |||
837 | level++; | |||
838 | continue; | |||
839 | } | |||
840 | if( !g_strcmp0(ti->str, "]")){ | |||
841 | level--; | |||
842 | if(!level){ | |||
843 | token_list=ti->next; | |||
844 | break; | |||
845 | } | |||
846 | } | |||
847 | if(level==1){ | |||
848 | if( !g_strcmp0(ti->str, "uuid")){ | |||
849 | uuid=ti->next->next->str; | |||
850 | FPRINTF(NULL((void*)0),"UUID:%s\n",uuid); | |||
851 | } | |||
852 | if( !g_strcmp0(ti->str, "version")){ | |||
853 | version=ti->next->next->str; | |||
854 | FPRINTF(NULL((void*)0),"VERSION:%s\n",version); | |||
855 | } | |||
856 | if( !g_strcmp0(ti->str, "pointer_default")){ | |||
857 | if(!g_strcmp0(ti->next->next->str, "unique")){ | |||
858 | pointer_default="unique"; | |||
859 | } else if(!g_strcmp0(ti->next->next->str, "ptr")){ | |||
860 | pointer_default="ptr"; | |||
861 | } else { | |||
862 | FPRINTF(stderrstderr, "ERROR: unknown pointer type\n"); | |||
863 | Exit(10); | |||
864 | } | |||
865 | FPRINTF(NULL((void*)0),"POINTER_DEFAULT:%s\n",pointer_default); | |||
866 | } | |||
867 | } | |||
868 | } | |||
869 | if(!token_list){ | |||
870 | FPRINTF(stderrstderr, "ERROR: ran out of tokens inside header\n"); | |||
871 | Exit(10); | |||
872 | } | |||
873 | /* interface */ | |||
874 | if(g_strcmp0(token_list->str, "interface")){ | |||
875 | FPRINTF(stderrstderr, "ERROR: interface not found\n"); | |||
876 | Exit(10); | |||
877 | } | |||
878 | token_list=token_list->next; | |||
879 | if (!token_list){ | |||
880 | FPRINTF(stderrstderr, "ERROR: ran out of tokens\n"); | |||
881 | Exit(10); | |||
882 | } | |||
883 | /* interface name */ | |||
884 | ifname=token_list->str; | |||
885 | token_list=token_list->next; | |||
886 | FPRINTF(NULL((void*)0),"Interface:%s\n",ifname); | |||
887 | ||||
888 | /* opnum */ | |||
889 | snprintf(hf_status, BASE_BUFFER_SIZE256, "hf_%s_opnum", ifname); | |||
890 | snprintf(filter_name, BASE_BUFFER_SIZE256, "%s.opnum", ifname); | |||
891 | register_hf_field(hf_status, "Operation", filter_name, "FT_UINT16", "BASE_DEC", "NULL", "0", ""); | |||
892 | ||||
893 | /* status */ | |||
894 | snprintf(hf_status, BASE_BUFFER_SIZE256, "hf_%s_rc", ifname); | |||
895 | snprintf(filter_name, BASE_BUFFER_SIZE256, "%s.rc", ifname); | |||
896 | register_hf_field(hf_status, "Return code", filter_name, "FT_UINT32", "BASE_HEX|BASE_EXT_STRING", "&NT_errors_ext", "0", ""); | |||
897 | ||||
898 | FPRINTF(eth_ett, "static int ett_%s;\n", ifname); | |||
899 | FPRINTF(eth_ettarr, " &ett_%s,\n", ifname); | |||
900 | ||||
901 | /* the body must start with { */ | |||
902 | if(g_strcmp0(token_list->str, "{")){ | |||
903 | FPRINTF(stderrstderr, "ERROR: body does not start with '{'\n"); | |||
904 | Exit(10); | |||
905 | } | |||
906 | ||||
907 | /* skip the initial '{' */ | |||
908 | token_list=token_list->next; | |||
909 | ||||
910 | if(!uuid){ | |||
911 | FPRINTF(stderrstderr, "ERROR: no uuid found\n"); | |||
912 | Exit(10); | |||
913 | } | |||
914 | FPRINTF(eth_code,"static e_guid_t uuid_dcerpc_%s = {\n", ifname); | |||
915 | FPRINTF(eth_code," 0x%c%c%c%c%c%c%c%c, 0x%c%c%c%c, 0x%c%c%c%c,\n",uuid[1],uuid[2],uuid[3],uuid[4],uuid[5],uuid[6],uuid[7],uuid[8],uuid[10],uuid[11],uuid[12],uuid[13],uuid[15],uuid[16],uuid[17],uuid[18]); | |||
916 | FPRINTF(eth_code," { 0x%c%c, 0x%c%c, 0x%c%c, 0x%c%c, 0x%c%c, 0x%c%c, 0x%c%c, 0x%c%c}\n",uuid[20],uuid[21],uuid[22],uuid[23],uuid[25],uuid[26],uuid[27],uuid[28],uuid[29],uuid[30],uuid[31],uuid[32],uuid[33],uuid[34],uuid[35],uuid[36]); | |||
917 | FPRINTF(eth_code,"};\n"); | |||
918 | FPRINTF(eth_code,"\n"); | |||
919 | ||||
920 | sscanf(version, "%d.%d", &major, &minor); | |||
921 | FPRINTF(eth_code,"static uint16_t ver_%s = %d;\n", ifname, major); | |||
922 | FPRINTF(eth_code,"\n"); | |||
923 | ||||
924 | FPRINTF(eth_handoff, " dcerpc_init_uuid(proto_%s, ett_%s,\n", ifname, ifname); | |||
925 | FPRINTF(eth_handoff, " &uuid_dcerpc_%s, ver_%s,\n", ifname, ifname); | |||
926 | FPRINTF(eth_handoff, " function_dissectors, hf_%s_opnum);\n", ifname); | |||
927 | } | |||
928 | ||||
929 | ||||
930 | ||||
931 | /* this helper function is called by the tokenizer and will just append the | |||
932 | current token to the linked list | |||
933 | */ | |||
934 | static void pushtoken(char *token) | |||
935 | { | |||
936 | token_item_t *new_token_item; | |||
937 | new_token_item=g_new0(token_item_t, 1)((token_item_t *) g_malloc0_n ((1), sizeof (token_item_t))); | |||
938 | if (!new_token_item) { | |||
939 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
940 | exit(10); | |||
941 | } | |||
942 | new_token_item->next=NULL((void*)0); | |||
943 | new_token_item->str=token; | |||
944 | if(!token_list){ | |||
945 | token_list=new_token_item; | |||
946 | } else { | |||
947 | last_token_item->next=new_token_item; | |||
948 | } | |||
949 | last_token_item=new_token_item; | |||
950 | } | |||
951 | ||||
952 | /* this function reads the idl file and translates it into tokens. | |||
953 | the tokens are stored in a linked list token_list of type token_item_t | |||
954 | */ | |||
955 | static void tokenize(FILE *fh) | |||
956 | { | |||
957 | int ch; | |||
958 | int fullinecomment=0; | |||
959 | int normalcomment=0; | |||
960 | int insidequote=0; | |||
961 | char qs[4 * BASE_BUFFER_SIZE256]; | |||
962 | int qspos=0; | |||
963 | int insidetoken=0; | |||
964 | char token[4 * BASE_BUFFER_SIZE256]; | |||
965 | int tokenpos=0; | |||
966 | ||||
967 | while(!feof(fh)){ | |||
968 | ch=fgetc(fh); | |||
969 | ||||
970 | /* full line comment */ | |||
971 | if(fullinecomment){ | |||
972 | if( (ch=='\n')||(ch=='\r') ){ | |||
973 | fullinecomment=0; | |||
974 | linepos=0; | |||
975 | } | |||
976 | continue; | |||
977 | } | |||
978 | if( (ch=='#')&&(linepos==0) ){ | |||
979 | fullinecomment=1; | |||
980 | continue; | |||
981 | } | |||
982 | ||||
983 | /* normal comment */ | |||
984 | if(normalcomment==0){ | |||
985 | if(ch=='/'){ | |||
986 | int nextch; | |||
987 | nextch=fgetc(fh); | |||
988 | if(nextch=='*'){ | |||
989 | normalcomment=1; | |||
990 | continue; | |||
991 | } | |||
992 | ungetc(nextch, fh); | |||
993 | } | |||
994 | } else { | |||
995 | if(ch=='*'){ | |||
996 | int nextch; | |||
997 | nextch=fgetc(fh); | |||
998 | if(nextch=='/'){ | |||
999 | normalcomment=0; | |||
1000 | continue; | |||
1001 | } | |||
1002 | ungetc(nextch, fh); | |||
1003 | } | |||
1004 | continue; | |||
1005 | } | |||
1006 | ||||
1007 | /* quoted string */ | |||
1008 | if(insidequote){ | |||
1009 | if(ch=='"'){ | |||
1010 | insidequote=0; | |||
1011 | qs[qspos++]='"'; | |||
1012 | qs[qspos]=0; | |||
1013 | pushtoken(g_strdup(qs)g_strdup_inline (qs)); | |||
1014 | continue; | |||
1015 | } else { | |||
1016 | qs[qspos++]=(char)ch; | |||
1017 | continue; | |||
1018 | } | |||
1019 | } else { | |||
1020 | if(ch=='"'){ | |||
1021 | insidequote=1; | |||
1022 | qs[0]='"'; | |||
1023 | qspos=1; | |||
1024 | continue; | |||
1025 | } | |||
1026 | } | |||
1027 | ||||
1028 | ||||
1029 | switch(ch){ | |||
1030 | case '\n': | |||
1031 | case '\r': | |||
1032 | if(insidetoken){ | |||
1033 | insidetoken=0; | |||
1034 | token[tokenpos]=0; | |||
1035 | pushtoken(g_strdup(token)g_strdup_inline (token)); | |||
1036 | } | |||
1037 | line[linepos]=0; | |||
1038 | ||||
1039 | linepos=0; | |||
1040 | lineno++; | |||
1041 | break; | |||
1042 | case '\t': | |||
1043 | case ' ': | |||
1044 | if(insidetoken){ | |||
1045 | insidetoken=0; | |||
1046 | token[tokenpos]=0; | |||
1047 | pushtoken(g_strdup(token)g_strdup_inline (token)); | |||
1048 | } | |||
1049 | break; | |||
1050 | case '[': | |||
1051 | case ']': | |||
1052 | case '(': | |||
1053 | case ')': | |||
1054 | case ',': | |||
1055 | case ';': | |||
1056 | case '*': | |||
1057 | case '=': | |||
1058 | if(insidetoken){ | |||
1059 | insidetoken=0; | |||
1060 | token[tokenpos]=0; | |||
1061 | pushtoken(g_strdup(token)g_strdup_inline (token)); | |||
1062 | } | |||
1063 | token[0]=(char)ch; | |||
1064 | token[1]=0; | |||
1065 | pushtoken(g_strdup(token)g_strdup_inline (token)); | |||
1066 | break; | |||
1067 | default: | |||
1068 | if(!insidetoken){ | |||
1069 | tokenpos=0; | |||
1070 | } | |||
1071 | insidetoken=1; | |||
1072 | token[tokenpos++]=(char)ch; | |||
1073 | line[linepos++]=(char)ch; | |||
1074 | break; | |||
1075 | } | |||
1076 | ||||
1077 | } | |||
1078 | } | |||
1079 | ||||
1080 | ||||
1081 | static type_item_t * | |||
1082 | find_type(char *name) | |||
1083 | { | |||
1084 | type_item_t *tmptype; | |||
1085 | for(tmptype=type_list;tmptype;tmptype=tmptype->next){ | |||
1086 | if(!g_strcmp0(tmptype->name, name)){ | |||
1087 | break; | |||
1088 | } | |||
1089 | } | |||
1090 | /* autogenerate built in types */ | |||
1091 | if(!tmptype){ | |||
1092 | char dissectorname[DISSECTORNAME_MAXLEN256]; | |||
1093 | if(!g_strcmp0(name,"uint16")){ | |||
1094 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1095 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1096 | FPRINTF(eth_code, "\n"); | |||
1097 | FPRINTF(eth_code, "static int\n"); | |||
1098 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1099 | FPRINTF(eth_code, "{\n"); | |||
1100 | FPRINTF(eth_code, " offset=dissect_ndr_uint16(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1101 | FPRINTF(eth_code, " return offset;\n"); | |||
1102 | FPRINTF(eth_code, "}\n"); | |||
1103 | FPRINTF(eth_code, "\n"); | |||
1104 | tmptype=register_new_type("uint16", dissectorname, "FT_UINT16", "BASE_DEC", "0", "NULL", 2); | |||
1105 | } else if(!g_strcmp0(name,"int16")){ | |||
1106 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1107 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1108 | FPRINTF(eth_code, "\n"); | |||
1109 | FPRINTF(eth_code, "static int\n"); | |||
1110 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1111 | FPRINTF(eth_code, "{\n"); | |||
1112 | FPRINTF(eth_code, " offset=dissect_ndr_uint16(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1113 | FPRINTF(eth_code, " return offset;\n"); | |||
1114 | FPRINTF(eth_code, "}\n"); | |||
1115 | FPRINTF(eth_code, "\n"); | |||
1116 | tmptype=register_new_type("int16", dissectorname, "FT_INT16", "BASE_DEC", "0", "NULL", 2); | |||
1117 | } else if(!g_strcmp0(name,"uint32")){ | |||
1118 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1119 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1120 | FPRINTF(eth_code, "\n"); | |||
1121 | FPRINTF(eth_code, "static int\n"); | |||
1122 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1123 | FPRINTF(eth_code, "{\n"); | |||
1124 | FPRINTF(eth_code, " offset=dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1125 | FPRINTF(eth_code, " return offset;\n"); | |||
1126 | FPRINTF(eth_code, "}\n"); | |||
1127 | FPRINTF(eth_code, "\n"); | |||
1128 | tmptype=register_new_type("uint32", dissectorname, "FT_UINT32", "BASE_DEC", "0", "NULL", 4); | |||
1129 | } else if( (!g_strcmp0(name,"int32")) | |||
1130 | || (!g_strcmp0(name,"long")) ){ | |||
1131 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1132 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1133 | FPRINTF(eth_code, "\n"); | |||
1134 | FPRINTF(eth_code, "static int\n"); | |||
1135 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1136 | FPRINTF(eth_code, "{\n"); | |||
1137 | FPRINTF(eth_code, " offset=dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1138 | FPRINTF(eth_code, " return offset;\n"); | |||
1139 | FPRINTF(eth_code, "}\n"); | |||
1140 | FPRINTF(eth_code, "\n"); | |||
1141 | if (!g_strcmp0(name,"int32")) | |||
1142 | tmptype=register_new_type("int32", dissectorname, "FT_INT32", "BASE_DEC", "0", "NULL", 4); | |||
1143 | else | |||
1144 | tmptype=register_new_type("long", dissectorname, "FT_INT32", "BASE_DEC", "0", "NULL", 4); | |||
1145 | } else if( (!g_strcmp0(name,"uint8")) ){ | |||
1146 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1147 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1148 | FPRINTF(eth_code, "\n"); | |||
1149 | FPRINTF(eth_code, "static int\n"); | |||
1150 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1151 | FPRINTF(eth_code, "{\n"); | |||
1152 | FPRINTF(eth_code, " offset=dissect_ndr_uint8(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1153 | FPRINTF(eth_code, " return offset;\n"); | |||
1154 | FPRINTF(eth_code, "}\n"); | |||
1155 | FPRINTF(eth_code, "\n"); | |||
1156 | tmptype=register_new_type("uint8", dissectorname, "FT_UINT8", "BASE_DEC", "0", "NULL", 1); | |||
1157 | } else if( (!g_strcmp0(name,"int8")) | |||
1158 | || (!g_strcmp0(name, "char")) ){ | |||
1159 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1160 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1161 | FPRINTF(eth_code, "\n"); | |||
1162 | FPRINTF(eth_code, "static int\n"); | |||
1163 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1164 | FPRINTF(eth_code, "{\n"); | |||
1165 | FPRINTF(eth_code, " offset=dissect_ndr_uint8(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1166 | FPRINTF(eth_code, " return offset;\n"); | |||
1167 | FPRINTF(eth_code, "}\n"); | |||
1168 | FPRINTF(eth_code, "\n"); | |||
1169 | if (!g_strcmp0(name,"int8")) | |||
1170 | tmptype=register_new_type("int8", dissectorname, "FT_INT8", "BASE_DEC", "0", "NULL", 1); | |||
1171 | else | |||
1172 | tmptype=register_new_type("char", dissectorname, "FT_INT8", "BASE_DEC", "0", "NULL", 1); | |||
1173 | } else if(!g_strcmp0(name,"bool8")){ | |||
1174 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1175 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1176 | FPRINTF(eth_code, "\n"); | |||
1177 | FPRINTF(eth_code, "static int\n"); | |||
1178 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1179 | FPRINTF(eth_code, "{\n"); | |||
1180 | FPRINTF(eth_code, " offset=dissect_ndr_uint8(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1181 | FPRINTF(eth_code, " return offset;\n"); | |||
1182 | FPRINTF(eth_code, "}\n"); | |||
1183 | FPRINTF(eth_code, "\n"); | |||
1184 | tmptype=register_new_type("bool8", dissectorname, "FT_INT8", "BASE_DEC", "0", "NULL", 1); | |||
1185 | } else if(!g_strcmp0(name,"unistr")){ | |||
1186 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1187 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1188 | FPRINTF(eth_code, "\n"); | |||
1189 | FPRINTF(eth_code, "static int\n"); | |||
1190 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1191 | FPRINTF(eth_code, "{\n"); | |||
1192 | FPRINTF(eth_code, " offset=dissect_ndr_cvstring(tvb, offset, pinfo, tree, di, drep, 2, hf_index, false, NULL);\n"); | |||
1193 | FPRINTF(eth_code, " return offset;\n"); | |||
1194 | FPRINTF(eth_code, "}\n"); | |||
1195 | FPRINTF(eth_code, "\n"); | |||
1196 | tmptype=register_new_type("unistr", dissectorname, "FT_STRING", "BASE_NONE", "0", "NULL", 4); | |||
1197 | } else if(!g_strcmp0(name,"ascstr")){ | |||
1198 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1199 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1200 | FPRINTF(eth_code, "\n"); | |||
1201 | FPRINTF(eth_code, "static int\n"); | |||
1202 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1203 | FPRINTF(eth_code, "{\n"); | |||
1204 | FPRINTF(eth_code, " offset=dissect_ndr_cvstring(tvb, offset, pinfo, tree, di, drep, 1, hf_index, false, NULL);\n"); | |||
1205 | FPRINTF(eth_code, " return offset;\n"); | |||
1206 | FPRINTF(eth_code, "}\n"); | |||
1207 | FPRINTF(eth_code, "\n"); | |||
1208 | tmptype=register_new_type("ascstr", dissectorname, "FT_STRING", "BASE_NONE", "0", "NULL", 4); | |||
1209 | } else if(!g_strcmp0(name,"GUID") | |||
1210 | ||!g_strcmp0(name,"uuid_t")){ | |||
1211 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1212 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1213 | FPRINTF(eth_code, "\n"); | |||
1214 | FPRINTF(eth_code, "static int\n"); | |||
1215 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1216 | FPRINTF(eth_code, "{\n"); | |||
1217 | FPRINTF(eth_code, " offset=dissect_ndr_uuid_t(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1218 | FPRINTF(eth_code, " return offset;\n"); | |||
1219 | FPRINTF(eth_code, "}\n"); | |||
1220 | FPRINTF(eth_code, "\n"); | |||
1221 | tmptype=register_new_type(name, dissectorname, "FT_GUID", "BASE_NONE", "0", "NULL", 4); | |||
1222 | } else if(!g_strcmp0(name,"policy_handle")){ | |||
1223 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1224 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1225 | FPRINTF(eth_code, "\n"); | |||
1226 | FPRINTF(eth_code, "static e_ctx_hnd policy_hnd;\n"); | |||
1227 | FPRINTF(eth_code, "static proto_item *hnd_item;\n"); | |||
1228 | FPRINTF(eth_code, "\n"); | |||
1229 | FPRINTF(eth_code, "static int\n"); | |||
1230 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param)\n", dissectorname); | |||
1231 | FPRINTF(eth_code, "{\n"); | |||
1232 | FPRINTF(eth_code, " offset = dissect_nt_policy_hnd(tvb, offset, pinfo, tree, di, drep,\n"); | |||
1233 | FPRINTF(eth_code, " hf_index, &policy_hnd, &hnd_item,\n"); | |||
1234 | FPRINTF(eth_code, " param);\n"); | |||
1235 | ||||
1236 | FPRINTF(eth_code, " return offset;\n"); | |||
1237 | FPRINTF(eth_code, "}\n"); | |||
1238 | FPRINTF(eth_code, "\n"); | |||
1239 | tmptype=register_new_type("policy_handle", dissectorname, "FT_BYTES", "BASE_NONE", "0", "NULL", 4); | |||
1240 | } else if(!g_strcmp0(name,"NTTIME")){ | |||
1241 | /* 8 bytes, aligned to 4 bytes */ | |||
1242 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1243 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1244 | FPRINTF(eth_code, "\n"); | |||
1245 | FPRINTF(eth_code, "static int\n"); | |||
1246 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1247 | FPRINTF(eth_code, "{\n"); | |||
1248 | FPRINTF(eth_code, " offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, di, drep, hf_index);\n"); | |||
1249 | ||||
1250 | FPRINTF(eth_code, "\n"); | |||
1251 | FPRINTF(eth_code, " return offset;\n"); | |||
1252 | FPRINTF(eth_code, "}\n"); | |||
1253 | FPRINTF(eth_code, "\n"); | |||
1254 | tmptype=register_new_type("NTTIME", dissectorname, "FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", "0", "NULL", 4); | |||
1255 | } else if(!g_strcmp0(name,"NTTIME_hyper")){ | |||
1256 | /* 8 bytes, aligned to 8 bytes */ | |||
1257 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1258 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1259 | FPRINTF(eth_code, "\n"); | |||
1260 | FPRINTF(eth_code, "static int\n"); | |||
1261 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1262 | FPRINTF(eth_code, "{\n"); | |||
1263 | FPRINTF(eth_code, " ALIGN_TO_8_BYTES;\n"); | |||
1264 | FPRINTF(eth_code, " offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, di, drep, hf_index);\n"); | |||
1265 | ||||
1266 | FPRINTF(eth_code, "\n"); | |||
1267 | FPRINTF(eth_code, " return offset;\n"); | |||
1268 | FPRINTF(eth_code, "}\n"); | |||
1269 | FPRINTF(eth_code, "\n"); | |||
1270 | tmptype=register_new_type("NTTIME_hyper", dissectorname, "FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", "0", "NULL", 4); | |||
1271 | } else if(!g_strcmp0(name,"NTTIME_1sec")){ | |||
1272 | /* 8 bytes, aligned to 8 bytes */ | |||
1273 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1274 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1275 | FPRINTF(eth_code, "\n"); | |||
1276 | FPRINTF(eth_code, "static int\n"); | |||
1277 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1278 | FPRINTF(eth_code, "{\n"); | |||
1279 | FPRINTF(eth_code, " ALIGN_TO_8_BYTES;\n"); | |||
1280 | FPRINTF(eth_code, " offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, di, drep, hf_index);\n"); | |||
1281 | ||||
1282 | FPRINTF(eth_code, "\n"); | |||
1283 | FPRINTF(eth_code, " return offset;\n"); | |||
1284 | FPRINTF(eth_code, "}\n"); | |||
1285 | FPRINTF(eth_code, "\n"); | |||
1286 | tmptype=register_new_type("NTTIME_1sec", dissectorname, "FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", "0", "NULL", 4); | |||
1287 | } else if(!g_strcmp0(name,"udlong")){ | |||
1288 | /* 8 bytes, aligned to 4 bytes */ | |||
1289 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1290 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1291 | FPRINTF(eth_code, "\n"); | |||
1292 | FPRINTF(eth_code, "static int\n"); | |||
1293 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1294 | FPRINTF(eth_code, "{\n"); | |||
1295 | FPRINTF(eth_code, "\n"); | |||
1296 | FPRINTF(eth_code, " offset=dissect_ndr_duint32(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1297 | FPRINTF(eth_code, "\n"); | |||
1298 | FPRINTF(eth_code, " return offset;\n"); | |||
1299 | FPRINTF(eth_code, "}\n"); | |||
1300 | FPRINTF(eth_code, "\n"); | |||
1301 | tmptype=register_new_type("udlong", dissectorname, "FT_UINT64", "BASE_DEC", "0", "NULL", 4); | |||
1302 | } else if(!g_strcmp0(name,"dlong")){ | |||
1303 | /* 8 bytes, aligned to 4 bytes */ | |||
1304 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1305 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1306 | FPRINTF(eth_code, "\n"); | |||
1307 | FPRINTF(eth_code, "static int\n"); | |||
1308 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1309 | FPRINTF(eth_code, "{\n"); | |||
1310 | FPRINTF(eth_code, "\n"); | |||
1311 | FPRINTF(eth_code, " offset=dissect_ndr_duint32(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1312 | FPRINTF(eth_code, "\n"); | |||
1313 | FPRINTF(eth_code, " return offset;\n"); | |||
1314 | FPRINTF(eth_code, "}\n"); | |||
1315 | FPRINTF(eth_code, "\n"); | |||
1316 | tmptype=register_new_type("dlong", dissectorname, "FT_INT64", "BASE_DEC", "0", "NULL", 4); | |||
1317 | } else if(!g_strcmp0(name,"uint64")){ | |||
1318 | /* 8 bytes, aligned to 8 bytes */ | |||
1319 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1320 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1321 | FPRINTF(eth_code, "\n"); | |||
1322 | FPRINTF(eth_code, "static int\n"); | |||
1323 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1324 | FPRINTF(eth_code, "{\n"); | |||
1325 | FPRINTF(eth_code, " \n"); | |||
1326 | FPRINTF(eth_code, " ALIGN_TO_8_BYTES;\n"); | |||
1327 | FPRINTF(eth_code, " offset=dissect_ndr_uint64(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1328 | FPRINTF(eth_code, "\n"); | |||
1329 | FPRINTF(eth_code, " return offset;\n"); | |||
1330 | FPRINTF(eth_code, "}\n"); | |||
1331 | FPRINTF(eth_code, "\n"); | |||
1332 | tmptype=register_new_type("uint64", dissectorname, "FT_UINT64", "BASE_DEC", "0", "NULL", 8); | |||
1333 | } else if(!g_strcmp0(name,"time_t")){ | |||
1334 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1335 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1336 | FPRINTF(eth_code, "\n"); | |||
1337 | FPRINTF(eth_code, "static int\n"); | |||
1338 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1339 | FPRINTF(eth_code, "{\n"); | |||
1340 | FPRINTF(eth_code, "\n"); | |||
1341 | FPRINTF(eth_code, " offset=dissect_ndr_time_t(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1342 | FPRINTF(eth_code, "\n"); | |||
1343 | FPRINTF(eth_code, " return offset;\n"); | |||
1344 | FPRINTF(eth_code, "}\n"); | |||
1345 | FPRINTF(eth_code, "\n"); | |||
1346 | tmptype=register_new_type("time_t", dissectorname, "FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", "0", "NULL", 4); | |||
1347 | } else if(!g_strcmp0(name,"SID")){ | |||
1348 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1349 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1350 | FPRINTF(eth_code, "\n"); | |||
1351 | FPRINTF(eth_code, "static int\n"); | |||
1352 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param)\n", dissectorname); | |||
1353 | FPRINTF(eth_code, "{\n"); | |||
1354 | FPRINTF(eth_code, " offset=dissect_ndr_nt_SID_with_options(tvb, offset, pinfo, tree, di, drep, param, hf_index);\n"); | |||
1355 | FPRINTF(eth_code, " return offset;\n"); | |||
1356 | FPRINTF(eth_code, "}\n"); | |||
1357 | FPRINTF(eth_code, "\n"); | |||
1358 | tmptype=register_new_type("SID", dissectorname, "FT_STRING", "BASE_NONE", "0", "NULL", 4); | |||
1359 | } else if(!g_strcmp0(name,"WERROR")){ | |||
1360 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, name); | |||
1361 | FPRINTF(NULL((void*)0),"\nAutogenerating built-in type:%s\n------------\n",name); | |||
1362 | FPRINTF(eth_code, "\n"); | |||
1363 | FPRINTF(eth_code, "static int\n"); | |||
1364 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1365 | FPRINTF(eth_code, "{\n"); | |||
1366 | FPRINTF(eth_code, " \n"); | |||
1367 | FPRINTF(eth_code, " offset=dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
1368 | FPRINTF(eth_code, "\n"); | |||
1369 | FPRINTF(eth_code, " return offset;\n"); | |||
1370 | FPRINTF(eth_code, "}\n"); | |||
1371 | FPRINTF(eth_code, "\n"); | |||
1372 | tmptype=register_new_type("WERROR", dissectorname, "FT_UINT32", "BASE_DEC|BASE_EXT_STRING", "0", "&WERR_errors_ext", 4); | |||
1373 | } | |||
1374 | } | |||
1375 | ||||
1376 | return tmptype; | |||
1377 | } | |||
1378 | ||||
1379 | ||||
1380 | /* this function will skip past an entire declare ... ; statement */ | |||
1381 | static void skipdeclare(void) | |||
1382 | { | |||
1383 | token_item_t *ti; | |||
1384 | ||||
1385 | /* first must be the keyword const */ | |||
1386 | ti=token_list; | |||
1387 | if(strncmp(ti->str, "declare", 7)){ | |||
1388 | FPRINTF(stderrstderr, "ERROR: skipdeclare first token is not 'declare'\n"); | |||
1389 | Exit(10); | |||
1390 | } | |||
1391 | while(ti->str[0] != ';'){ | |||
1392 | ti=ti->next; | |||
1393 | } | |||
1394 | ti=ti->next; | |||
1395 | ||||
1396 | token_list=ti; | |||
1397 | } | |||
1398 | ||||
1399 | /* this function will parse a | |||
1400 | const | |||
1401 | and generate the appropriate code | |||
1402 | const must be followed by a suitable keyword [uint16|uint32|...] | |||
1403 | the const will later be g_removed from the token list | |||
1404 | the function assumes that the const is the first object in the token_list | |||
1405 | */ | |||
1406 | static void parseconst(void) | |||
1407 | { | |||
1408 | token_item_t *ti; | |||
1409 | char *name, *value; | |||
1410 | ||||
1411 | /* first must be the keyword const */ | |||
1412 | ti=token_list; | |||
1413 | if(strncmp(ti->str, "const", 5)){ | |||
1414 | FPRINTF(stderrstderr, "ERROR: const first token is not 'const'\n"); | |||
1415 | Exit(10); | |||
1416 | } | |||
1417 | ti=ti->next; | |||
1418 | ||||
1419 | /* just skip second token */ | |||
1420 | ti=ti->next; | |||
1421 | ||||
1422 | /* third is a variable and not a type */ | |||
1423 | if(find_type(ti->str)){ | |||
1424 | FPRINTF(stderrstderr, "ERROR: const, not a variable name:%s\n", ti->str); | |||
1425 | Exit(10); | |||
1426 | } | |||
1427 | name=ti->str; | |||
1428 | ti=ti->next; | |||
1429 | ||||
1430 | /* fourth is '=' */ | |||
1431 | if(ti->str[0] != '='){ | |||
1432 | FPRINTF(stderrstderr, "ERROR: const fourth token is not '='\n"); | |||
1433 | Exit(10); | |||
1434 | } | |||
1435 | ti=ti->next; | |||
1436 | ||||
1437 | /* fifth is the value */ | |||
1438 | value=ti->str; | |||
1439 | ti=ti->next; | |||
1440 | ||||
1441 | /* sixth is ';' */ | |||
1442 | if(ti->str[0] != ';'){ | |||
1443 | FPRINTF(stderrstderr, "ERROR: const sixth token is not ';'\n"); | |||
1444 | Exit(10); | |||
1445 | } | |||
1446 | ti=ti->next; | |||
1447 | ||||
1448 | FPRINTF(NULL((void*)0),"\nCONST:%s\n-------\n",name); | |||
1449 | ||||
1450 | FPRINTF(eth_hdr, "#define %s %s\n", name, value); | |||
1451 | ||||
1452 | FPRINTF(NULL((void*)0),"\n----------\nEND CONST:%s\n",name); | |||
1453 | ||||
1454 | token_list=ti; | |||
1455 | } | |||
1456 | ||||
1457 | /* this function will parse a | |||
1458 | typedef struct { | |||
1459 | construct and generate the appropriate code. | |||
1460 | the typedef will be g_removed from the token_list once it has been processed | |||
1461 | the function assumes that the typedef is the first object in the token_list | |||
1462 | the function will be called twice, once with pass=0 and once with pass=1 | |||
1463 | which controls whether subdissectors are to be generated or whether the | |||
1464 | struct dissector itself is to be generated | |||
1465 | */ | |||
1466 | static void parsetypedefstruct(int pass) | |||
1467 | { | |||
1468 | token_item_t *ti, *tmpti; | |||
1469 | char *struct_name; | |||
1470 | char dissectorname[DISSECTORNAME_MAXLEN256]; | |||
1471 | char tmpstr[BASE_BUFFER_SIZE256], *ptmpstr; | |||
1472 | int level, num_pointers; | |||
1473 | static int alignment; | |||
1474 | type_item_t *type_item; | |||
1475 | char hf_index[BASE_BUFFER_SIZE256]; | |||
1476 | bracket_item_t *bi=NULL((void*)0); | |||
1477 | pointer_item_t *pi; | |||
1478 | const char *pointer_type; | |||
1479 | char *field_name; | |||
1480 | uint32_t fixed_array_size; | |||
1481 | int is_array_of_pointers; | |||
1482 | int empty_struct = 0; | |||
1483 | ||||
1484 | ti=token_list; | |||
1485 | if(g_strcmp0(ti->str, "typedef")){ | |||
1486 | FPRINTF(stderrstderr, "ERROR: typedefstruct first token is not 'typedef'\n"); | |||
1487 | Exit(10); | |||
1488 | } | |||
1489 | ti=ti->next; | |||
1490 | ||||
1491 | if(!g_strcmp0(ti->str, "[")){ | |||
1492 | ti=parsebrackets(ti, &bi); | |||
1493 | } | |||
1494 | /* check that we know how to handle the bracket thing */ | |||
1495 | if(bi){ | |||
1496 | if(bi->flags){ | |||
1497 | FPRINTF(stderrstderr, "ERROR: typedefstruct unknown bracket flags encountered : 0x%08x\n",bi->flags); | |||
1498 | Exit(10); | |||
1499 | } | |||
1500 | } | |||
1501 | ||||
1502 | if(g_strcmp0(ti->str, "struct")){ | |||
1503 | FPRINTF(stderrstderr, "ERROR: typedefstruct second token is not 'struct'\n"); | |||
1504 | Exit(10); | |||
1505 | } | |||
1506 | ti=ti->next; | |||
1507 | ||||
1508 | if(g_strcmp0(ti->str, "{")){ | |||
1509 | FPRINTF(stderrstderr, "ERROR: typedefstruct third token is not '{'\n"); | |||
1510 | Exit(10); | |||
1511 | } | |||
1512 | ti=ti->next; | |||
1513 | ||||
1514 | /* Check if the struct is empty (search if there is no end bracket) */ | |||
1515 | if(g_strcmp0(ti->str, "}") == 0){ | |||
1516 | empty_struct = 1; | |||
1517 | } | |||
1518 | ||||
1519 | /* search forward until the '}' so we can find the name of the struct */ | |||
1520 | for(tmpti=ti,level=0;tmpti;tmpti=tmpti->next){ | |||
1521 | if(!g_strcmp0(tmpti->str, "{")){ | |||
1522 | level++; | |||
1523 | continue; | |||
1524 | } | |||
1525 | if(!g_strcmp0(tmpti->str, "}")){ | |||
1526 | if(!level){ | |||
1527 | break; | |||
1528 | } | |||
1529 | level--; | |||
1530 | continue; | |||
1531 | } | |||
1532 | } | |||
1533 | if(!tmpti || !tmpti->next){ | |||
1534 | FPRINTF(stderrstderr, "ERROR: typedefstruct missing matching '}'\n"); | |||
1535 | Exit(10); | |||
1536 | } | |||
1537 | ||||
1538 | struct_name=tmpti->next->str; | |||
1539 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, struct_name); | |||
1540 | ||||
1541 | FPRINTF(NULL((void*)0),"\nSTRUCT:%s pass:%d\n-------\n",struct_name,pass); | |||
1542 | ||||
1543 | if(!check_if_to_emit(dissectorname)){ | |||
1544 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct dissector.\n"); | |||
1545 | ti=tmpti; | |||
1546 | goto typedef_struct_finished; | |||
1547 | } | |||
1548 | ||||
1549 | /* this is pass 0 so reset alignment to zero and update as items are | |||
1550 | processed. we need alignment when pass 1 is run. | |||
1551 | set alignment initially to 1 so we don't fail for empty structs | |||
1552 | */ | |||
1553 | if(pass==0){ | |||
1554 | alignment=1; | |||
1555 | } | |||
1556 | /* pass 1 generate header for the struct dissector */ | |||
1557 | if(pass==1){ | |||
1558 | FPRINTF(eth_ett, "static int ett_%s_%s;\n", ifname, struct_name); | |||
1559 | FPRINTF(eth_ettarr, " &ett_%s_%s,\n", ifname, struct_name); | |||
1560 | FPRINTF(eth_hdr, "int %s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param);\n", dissectorname); | |||
1561 | FPRINTF(eth_code, "\n"); | |||
1562 | FPRINTF(eth_code, "int\n"); | |||
1563 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *parent_tree, dcerpc_info *di _U_, uint8_t *drep _U_, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
1564 | FPRINTF(eth_code, "{\n"); | |||
1565 | FPRINTF(eth_code, " proto_item *item=NULL;\n"); | |||
1566 | if(!empty_struct){ | |||
1567 | FPRINTF(eth_code, " proto_tree *tree=NULL;\n"); | |||
1568 | } | |||
1569 | FPRINTF(eth_code, " int old_offset;\n"); | |||
1570 | FPRINTF(eth_code, "\n"); | |||
1571 | switch(alignment){ | |||
1572 | case 1: | |||
1573 | break; | |||
1574 | case 2: | |||
1575 | FPRINTF(eth_code, " ALIGN_TO_2_BYTES;\n"); | |||
1576 | FPRINTF(eth_code, "\n"); | |||
1577 | break; | |||
1578 | case 4: | |||
1579 | FPRINTF(eth_code, " ALIGN_TO_4_BYTES;\n"); | |||
1580 | FPRINTF(eth_code, "\n"); | |||
1581 | break; | |||
1582 | case 8: | |||
1583 | FPRINTF(eth_code, " ALIGN_TO_8_BYTES;\n"); | |||
1584 | FPRINTF(eth_code, "\n"); | |||
1585 | break; | |||
1586 | default: | |||
1587 | FPRINTF(stderrstderr, "ERROR: can not handle alignment:%d\n",alignment); | |||
1588 | Exit(10); | |||
1589 | } | |||
1590 | FPRINTF(eth_code, " old_offset=offset;\n"); | |||
1591 | FPRINTF(eth_code, " if(parent_tree){\n"); | |||
1592 | FPRINTF(eth_code, " item=proto_tree_add_item(parent_tree, hf_index, tvb, offset, -1, ENC_NA);\n"); | |||
1593 | if(!empty_struct){ | |||
1594 | FPRINTF(eth_code, " tree=proto_item_add_subtree(item, ett_%s_%s);\n", ifname, struct_name); | |||
1595 | } | |||
1596 | FPRINTF(eth_code, " }\n"); | |||
1597 | FPRINTF(eth_code, "\n"); | |||
1598 | } | |||
1599 | ||||
1600 | /* scan the struct and create all subdissectors */ | |||
1601 | level=0; | |||
1602 | while(ti){ | |||
1603 | if(!g_strcmp0(ti->str, "{")){ | |||
1604 | level++; | |||
1605 | ti=ti->next; | |||
1606 | continue; | |||
1607 | } | |||
1608 | if(!g_strcmp0(ti->str, "}")){ | |||
1609 | if(!level){ | |||
1610 | break; | |||
1611 | } | |||
1612 | level--; | |||
1613 | ti=ti->next; | |||
1614 | continue; | |||
1615 | } | |||
1616 | if(!g_strcmp0(ti->str, "[")){ | |||
1617 | ti=parsebrackets(ti, &bi); | |||
1618 | continue; | |||
1619 | } | |||
1620 | ||||
1621 | /* check that we know how to handle the bracket thing */ | |||
1622 | if(bi){ | |||
1623 | if(bi->flags&(~(BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020|BI_POINTER0x00000040))){ | |||
1624 | FPRINTF(stderrstderr, "ERROR: typedefstruct unknown bracket flags encountered : 0x%08x\n",bi->flags); | |||
1625 | Exit(10); | |||
1626 | } | |||
1627 | } | |||
1628 | ||||
1629 | /* handle the type, verify that we KNOW this type */ | |||
1630 | type_item=find_type(ti->str); | |||
1631 | if(!type_item){ | |||
1632 | FPRINTF(stderrstderr, "ERROR : typedefstruct unknown type %s\n",ti->str); | |||
1633 | Exit(10); | |||
1634 | } | |||
1635 | ti=ti->next; | |||
1636 | /* count the levels of pointers */ | |||
1637 | for(num_pointers=0;!g_strcmp0(ti->str, "*");ti=ti->next){ | |||
1638 | num_pointers++; | |||
1639 | /* pointers are aligned at 4 byte boundaries */ | |||
1640 | if(alignment<4){ | |||
1641 | alignment=4; | |||
1642 | } | |||
1643 | } | |||
1644 | /* now that we know how many real pointers there were we must | |||
1645 | prepend default pointers to the list so it has the right | |||
1646 | length. | |||
1647 | */ | |||
1648 | pi=prepend_pointer_list(bi?bi->pointer_list:NULL((void*)0), num_pointers); | |||
1649 | /* keep track of alignment */ | |||
1650 | if(alignment<type_item->alignment){ | |||
1651 | alignment=type_item->alignment; | |||
1652 | } | |||
1653 | ||||
1654 | field_name=ti->str; | |||
1655 | ti=ti->next; | |||
1656 | ||||
1657 | /* see if it is a fixed array */ | |||
1658 | fixed_array_size=0; | |||
1659 | is_array_of_pointers=0; | |||
1660 | if(!g_strcmp0(ti->str, "[")){ | |||
1661 | /* this might be a fixed array */ | |||
1662 | ti=ti->next; | |||
1663 | ||||
1664 | if(!g_strcmp0("]", ti->str)){ | |||
1665 | /* this is just a normal [] array */ | |||
1666 | fixed_array_size=0; | |||
1667 | } else if(!g_strcmp0("*", ti->str)){ | |||
1668 | pi=prepend_pointer_list(pi, num_pointers+1); | |||
1669 | fixed_array_size=0; | |||
1670 | is_array_of_pointers=1; | |||
1671 | ti=ti->next; | |||
1672 | } else if (!ws_strtou32(ti->str, NULL((void*)0), &fixed_array_size)) { | |||
1673 | FPRINTF(stderrstderr, "ERROR: invalid integer: %s\n", ti->str); | |||
1674 | Exit(10); | |||
1675 | } else { | |||
1676 | ti=ti->next; | |||
1677 | } | |||
1678 | ||||
1679 | if(g_strcmp0(ti->str, "]")){ | |||
1680 | FPRINTF(stderrstderr, "ERROR: typedefstruct fixed array does not end with ']' it ended with %s\n",ti->str); | |||
1681 | Exit(10); | |||
1682 | } | |||
1683 | ti=ti->next; | |||
1684 | } | |||
1685 | ||||
1686 | snprintf(hf_index, BASE_BUFFER_SIZE256, "hf_%s_%s_%s", ifname, struct_name, field_name); | |||
1687 | /* pass 0 generate subdissectors */ | |||
1688 | if(pass==0){ | |||
1689 | char filter_name[BASE_BUFFER_SIZE256]; | |||
1690 | const char *hf; | |||
1691 | ||||
1692 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_dissect_%s_%s", ifname, struct_name, field_name); | |||
1693 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1694 | ||||
1695 | if(check_if_to_emit(tmpstr)){ | |||
1696 | snprintf(filter_name, BASE_BUFFER_SIZE256, "%s.%s.%s", ifname, struct_name, field_name); | |||
1697 | hf=register_hf_field(hf_index, field_name, filter_name, type_item->ft_type, type_item->base_type, type_item->vals, type_item->mask, ""); | |||
1698 | FPRINTF(eth_code, "static int\n"); | |||
1699 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", ptmpstr); | |||
1700 | FPRINTF(eth_code, "{\n"); | |||
1701 | FPRINTF(eth_code, " uint32_t param=%s;\n",find_dissector_param_value(ptmpstr)); | |||
1702 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep, %s, param);\n", type_item->dissector, hf); | |||
1703 | FPRINTF(eth_code, " return offset;\n"); | |||
1704 | FPRINTF(eth_code, "}\n"); | |||
1705 | FPRINTF(eth_code, "\n"); | |||
1706 | } else { | |||
1707 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct item :%s\n",tmpstr); | |||
1708 | } | |||
1709 | ||||
1710 | if(is_array_of_pointers){ | |||
1711 | pointer_type=pi->type; | |||
1712 | pi=pi->next; | |||
1713 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", pointer_type, ptmpstr); | |||
1714 | if(check_if_to_emit(tmpstr)){ | |||
1715 | FPRINTF(eth_code, "static int\n"); | |||
1716 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
1717 | FPRINTF(eth_code, "{\n"); | |||
1718 | FPRINTF(eth_code, " offset=dissect_ndr_embedded_pointer(tvb, offset, pinfo, tree, di, drep, %s, %s, \"%s\", -1);\n", ptmpstr, ptr_to_define(pointer_type), field_name); | |||
1719 | FPRINTF(eth_code, " return offset;\n"); | |||
1720 | FPRINTF(eth_code, "}\n"); | |||
1721 | FPRINTF(eth_code, "\n"); | |||
1722 | } else { | |||
1723 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct item :%s\n",tmpstr); | |||
1724 | } | |||
1725 | ||||
1726 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1727 | } else if(fixed_array_size){ | |||
1728 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "fixedarray_%s", ptmpstr); | |||
1729 | if(check_if_to_emit(tmpstr)){ | |||
1730 | FPRINTF(eth_code, "static int\n"); | |||
1731 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
1732 | FPRINTF(eth_code, "{\n"); | |||
1733 | FPRINTF(eth_code, " int count=%d;\n",fixed_array_size); | |||
1734 | FPRINTF(eth_code, " while(count--){\n"); | |||
1735 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep);\n", ptmpstr); | |||
1736 | FPRINTF(eth_code, " }\n"); | |||
1737 | FPRINTF(eth_code, "\n"); | |||
1738 | FPRINTF(eth_code, " return offset;\n"); | |||
1739 | FPRINTF(eth_code, "}\n"); | |||
1740 | FPRINTF(eth_code, "\n"); | |||
1741 | } else { | |||
1742 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct item :%s\n",tmpstr); | |||
1743 | } | |||
1744 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1745 | } | |||
1746 | ||||
1747 | /* handle switch_is */ | |||
1748 | if(bi){ | |||
1749 | switch(bi->flags&(BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020)){ | |||
1750 | case 0: | |||
1751 | break; | |||
1752 | case BI_SIZE_IS0x00000010: | |||
1753 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucarray_%s", ptmpstr); | |||
1754 | if(check_if_to_emit(tmpstr)){ | |||
1755 | FPRINTF(eth_code, "static int\n"); | |||
1756 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
1757 | FPRINTF(eth_code, "{\n"); | |||
1758 | FPRINTF(eth_code, " offset=dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep, %s);\n", ptmpstr); | |||
1759 | FPRINTF(eth_code, " return offset;\n"); | |||
1760 | FPRINTF(eth_code, "}\n"); | |||
1761 | FPRINTF(eth_code, "\n"); | |||
1762 | } else { | |||
1763 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct item :%s\n",tmpstr); | |||
1764 | } | |||
1765 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1766 | break; | |||
1767 | case BI_LENGTH_IS0x00000020: | |||
1768 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "uvarray_%s", ptmpstr); | |||
1769 | if(check_if_to_emit(tmpstr)){ | |||
1770 | FPRINTF(eth_code, "static int\n"); | |||
1771 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
1772 | FPRINTF(eth_code, "{\n"); | |||
1773 | FPRINTF(eth_code, " offset=dissect_ndr_uvarray(tvb, offset, pinfo, tree, di, drep, %s);\n", ptmpstr); | |||
1774 | FPRINTF(eth_code, " return offset;\n"); | |||
1775 | FPRINTF(eth_code, "}\n"); | |||
1776 | FPRINTF(eth_code, "\n"); | |||
1777 | } else { | |||
1778 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct item :%s\n",tmpstr); | |||
1779 | } | |||
1780 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1781 | break; | |||
1782 | case BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020: | |||
1783 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucvarray_%s", ptmpstr); | |||
1784 | if(check_if_to_emit(tmpstr)){ | |||
1785 | FPRINTF(eth_code, "static int\n"); | |||
1786 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
1787 | FPRINTF(eth_code, "{\n"); | |||
1788 | FPRINTF(eth_code, " offset=dissect_ndr_ucvarray(tvb, offset, pinfo, tree, di, drep, %s);\n", ptmpstr); | |||
1789 | FPRINTF(eth_code, " return offset;\n"); | |||
1790 | FPRINTF(eth_code, "}\n"); | |||
1791 | FPRINTF(eth_code, "\n"); | |||
1792 | } else { | |||
1793 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct item :%s\n",tmpstr); | |||
1794 | } | |||
1795 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1796 | break; | |||
1797 | default: | |||
1798 | FPRINTF(stderrstderr, "ERROR: typedefstruct can not handle this combination of sizeis/lengthis\n"); | |||
1799 | Exit(10); | |||
1800 | } | |||
1801 | } | |||
1802 | ||||
1803 | /* handle pointers */ | |||
1804 | while(num_pointers--){ | |||
1805 | pointer_type=pi->type; | |||
1806 | pi=pi->next; | |||
1807 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", pointer_type, ptmpstr); | |||
1808 | if(check_if_to_emit(tmpstr)){ | |||
1809 | FPRINTF(eth_code, "static int\n"); | |||
1810 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
1811 | FPRINTF(eth_code, "{\n"); | |||
1812 | FPRINTF(eth_code, " offset=dissect_ndr_embedded_pointer(tvb, offset, pinfo, tree, di, drep, %s, %s, \"%s\", -1);\n", ptmpstr, ptr_to_define(pointer_type), field_name); | |||
1813 | FPRINTF(eth_code, " return offset;\n"); | |||
1814 | FPRINTF(eth_code, "}\n"); | |||
1815 | FPRINTF(eth_code, "\n"); | |||
1816 | } else { | |||
1817 | FPRINTF(NULL((void*)0),"NOEMIT Skipping this struct item :%s\n",tmpstr); | |||
1818 | } | |||
1819 | ||||
1820 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1821 | } | |||
1822 | } | |||
1823 | ||||
1824 | if(pass==1){ | |||
1825 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_dissect_%s_%s", ifname, struct_name, field_name); | |||
1826 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1827 | ||||
1828 | /* handle fixedsizearrays */ | |||
1829 | if(is_array_of_pointers){ | |||
1830 | pointer_type=pi->type; | |||
1831 | pi=pi->next; | |||
1832 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", pointer_type, ptmpstr); | |||
1833 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1834 | } else if(fixed_array_size){ | |||
1835 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "fixedarray_%s", ptmpstr); | |||
1836 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1837 | } | |||
1838 | ||||
1839 | /* handle switch_is */ | |||
1840 | if(bi){ | |||
1841 | switch(bi->flags&(BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020)){ | |||
1842 | case 0: | |||
1843 | break; | |||
1844 | case BI_SIZE_IS0x00000010: | |||
1845 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucarray_%s", ptmpstr); | |||
1846 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1847 | break; | |||
1848 | case BI_LENGTH_IS0x00000020: | |||
1849 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "uvarray_%s", ptmpstr); | |||
1850 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1851 | break; | |||
1852 | case BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020: | |||
1853 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucvarray_%s", ptmpstr); | |||
1854 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1855 | break; | |||
1856 | default: | |||
1857 | FPRINTF(stderrstderr, "ERROR: typedefstruct can not handle this combination of sizeis/lengthis\n"); | |||
1858 | Exit(10); | |||
1859 | } | |||
1860 | } | |||
1861 | ||||
1862 | /* handle pointers */ | |||
1863 | while(num_pointers--){ | |||
1864 | pointer_type=pi->type; | |||
1865 | pi=pi->next; | |||
1866 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", pointer_type, ptmpstr); | |||
1867 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
1868 | } | |||
1869 | ||||
1870 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep);\n", ptmpstr); | |||
1871 | FPRINTF(eth_code, "\n"); | |||
1872 | } | |||
1873 | ||||
1874 | if(g_strcmp0(ti->str,";")){ | |||
1875 | FPRINTF(stderrstderr, "ERROR: field does not en with ';'\n"); | |||
1876 | Exit(10); | |||
1877 | } | |||
1878 | ti=ti->next; | |||
1879 | bi=NULL((void*)0); /* clear bi before we start on the next field */ | |||
1880 | } | |||
1881 | ||||
1882 | if(pass==1){ | |||
1883 | FPRINTF(eth_code, " proto_item_set_len(item, offset-old_offset);\n"); | |||
1884 | FPRINTF(eth_code, "\n"); | |||
1885 | FPRINTF(eth_code, " return offset;\n"); | |||
1886 | FPRINTF(eth_code, "}\n"); | |||
1887 | register_new_type(struct_name, dissectorname, "FT_NONE", "BASE_NONE", "0", "NULL", alignment); | |||
1888 | } | |||
1889 | ||||
1890 | ||||
1891 | typedef_struct_finished: | |||
1892 | FPRINTF(NULL((void*)0),"\nEND STRUCT:%s pass:%d\n-------\n",struct_name,pass); | |||
1893 | ||||
1894 | /* only advance token_list for pass==1 | |||
1895 | ti now points to the '}' token | |||
1896 | */ | |||
1897 | if(pass==1){ | |||
1898 | if(!ti || g_strcmp0(ti->str,"}")){ | |||
1899 | FPRINTF(stderrstderr, "ERROR: struct does not end with '}'\n"); | |||
1900 | Exit(10); | |||
1901 | } | |||
1902 | ti=ti->next; | |||
1903 | ||||
1904 | /* just skip the name */ | |||
1905 | ti=ti->next; | |||
1906 | ||||
1907 | if(!ti || g_strcmp0(ti->str,";")){ | |||
1908 | FPRINTF(stderrstderr, "ERROR: struct does not end with ';'\n"); | |||
1909 | Exit(10); | |||
1910 | } | |||
1911 | ti=ti->next; | |||
1912 | ||||
1913 | token_list=ti; | |||
1914 | } | |||
1915 | } | |||
1916 | ||||
1917 | /* this function will parse a | |||
1918 | typedef bitmap { | |||
1919 | construct and generate the appropriate code. | |||
1920 | the typedef will be g_removed from the token_list once it has been processed | |||
1921 | the function assumes that the typedef is the first object in the token_list | |||
1922 | the function will be called twice, once with pass=0 and once with pass=1 | |||
1923 | which controls whether subdissectors are to be generated or whether the | |||
1924 | bitmap dissector itself is to be generated | |||
1925 | ||||
1926 | bitmaps are by default 32 bits | |||
1927 | */ | |||
1928 | static void parsetypedefbitmap(int pass) | |||
1929 | { | |||
1930 | token_item_t *ti, *tmpti; | |||
1931 | char *bitmap_name; | |||
1932 | char dissectorname[BASE_BUFFER_SIZE256], hf_bitname[BASE_BUFFER_SIZE256]; | |||
1933 | int alignment; | |||
1934 | unsigned int val; | |||
1935 | char *name, *value; | |||
1936 | bracket_item_t *bi=NULL((void*)0); | |||
1937 | ||||
1938 | ti=token_list; | |||
1939 | if(g_strcmp0(ti->str, "typedef")){ | |||
1940 | FPRINTF(stderrstderr, "ERROR: typedefbitmap first token is not 'typedef'\n"); | |||
1941 | Exit(10); | |||
1942 | } | |||
1943 | ti=ti->next; | |||
1944 | ||||
1945 | alignment=4; /* default size is 32 bits */ | |||
1946 | ||||
1947 | if(!g_strcmp0(ti->str, "[")){ | |||
1948 | ti=parsebrackets(ti, &bi); | |||
1949 | } | |||
1950 | /* check that we know how to handle the bracket thing */ | |||
1951 | if(bi){ | |||
1952 | if(bi->flags&(~(BI_BITMAP320x00000200|BI_BITMAP80x00000100))){ | |||
1953 | FPRINTF(stderrstderr, "ERROR: typedefbitmap unknown bracket flags encountered : 0x%08x\n",bi->flags); | |||
1954 | Exit(10); | |||
1955 | } | |||
1956 | if(bi->flags&BI_BITMAP320x00000200){ | |||
1957 | alignment=4; | |||
1958 | } | |||
1959 | if(bi->flags&BI_BITMAP80x00000100){ | |||
1960 | alignment=1; | |||
1961 | } | |||
1962 | } | |||
1963 | ||||
1964 | ||||
1965 | if(g_strcmp0(ti->str, "bitmap")){ | |||
1966 | FPRINTF(stderrstderr, "ERROR: typedefbitmap second token is not 'bitmap'\n"); | |||
1967 | Exit(10); | |||
1968 | } | |||
1969 | ti=ti->next; | |||
1970 | ||||
1971 | if(g_strcmp0(ti->str, "{")){ | |||
1972 | FPRINTF(stderrstderr, "ERROR: typedefbitmap third token is not '{'\n"); | |||
1973 | Exit(10); | |||
1974 | } | |||
1975 | ti=ti->next; | |||
1976 | ||||
1977 | /* search forward until the '}' so we can find the name of the bitmap */ | |||
1978 | for(tmpti=ti;tmpti;tmpti=tmpti->next){ | |||
1979 | if(!g_strcmp0(tmpti->str, "{")){ | |||
1980 | FPRINTF(stderrstderr, "ERROR: typedefbitmap '{' encountered inside bitmap\n"); | |||
1981 | Exit(10); | |||
1982 | } | |||
1983 | if(!g_strcmp0(tmpti->str, "}")){ | |||
1984 | break; | |||
1985 | } | |||
1986 | } | |||
1987 | if (!tmpti || !tmpti->next){ | |||
1988 | FPRINTF(stderrstderr, "ERROR: typedefbitmap missing matching '}'\n"); | |||
1989 | Exit(10); | |||
1990 | } | |||
1991 | bitmap_name=tmpti->next->str; | |||
1992 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, bitmap_name); | |||
1993 | ||||
1994 | FPRINTF(NULL((void*)0),"\nBITMAP:%s pass:%d\n-------\n",bitmap_name,pass); | |||
1995 | ||||
1996 | /* pass 1 generate header for the struct dissector */ | |||
1997 | if(pass==1){ | |||
1998 | FPRINTF(eth_ett, "static int ett_%s_%s;\n", ifname, bitmap_name); | |||
1999 | FPRINTF(eth_ettarr, " &ett_%s_%s,\n", ifname, bitmap_name); | |||
2000 | FPRINTF(eth_hdr, "int %s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param);\n", dissectorname); | |||
2001 | FPRINTF(eth_code, "\n"); | |||
2002 | FPRINTF(eth_code, "int\n"); | |||
2003 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
2004 | FPRINTF(eth_code, "{\n"); | |||
2005 | FPRINTF(eth_code, " proto_item *item=NULL;\n"); | |||
2006 | FPRINTF(eth_code, " proto_tree *tree=NULL;\n"); | |||
2007 | switch(alignment){ | |||
2008 | case 1: | |||
2009 | FPRINTF(eth_code, " uint8_t flags;\n"); | |||
2010 | FPRINTF(eth_code, "\n"); | |||
2011 | break; | |||
2012 | case 4: | |||
2013 | FPRINTF(eth_code, " uint32_t flags;\n"); | |||
2014 | FPRINTF(eth_code, "\n"); | |||
2015 | FPRINTF(eth_code, " ALIGN_TO_4_BYTES;\n"); | |||
2016 | break; | |||
2017 | default: | |||
2018 | FPRINTF(stderrstderr, "ERROR: typedefbitmap can not handle alignment:%d\n",alignment); | |||
2019 | Exit(10); | |||
2020 | } | |||
2021 | FPRINTF(eth_code, "\n"); | |||
2022 | FPRINTF(eth_code, " if(parent_tree){\n"); | |||
2023 | FPRINTF(eth_code, " item=proto_tree_add_item(parent_tree, hf_index, tvb, offset, %d, ENC_LITTLE_ENDIAN);\n", alignment); | |||
2024 | FPRINTF(eth_code, " tree=proto_item_add_subtree(item, ett_%s_%s);\n", ifname, bitmap_name); | |||
2025 | FPRINTF(eth_code, " }\n"); | |||
2026 | FPRINTF(eth_code, "\n"); | |||
2027 | switch(alignment){ | |||
2028 | case 1: | |||
2029 | FPRINTF(eth_code, " offset=dissect_ndr_uint8(tvb, offset, pinfo, NULL, di, drep, -1, &flags);\n"); | |||
2030 | FPRINTF(eth_code, "\n"); | |||
2031 | break; | |||
2032 | case 4: | |||
2033 | FPRINTF(eth_code, " offset=dissect_ndr_uint32(tvb, offset, pinfo, NULL, di, drep, -1, &flags);\n"); | |||
2034 | FPRINTF(eth_code, "\n"); | |||
2035 | break; | |||
2036 | default: | |||
2037 | FPRINTF(stderrstderr, "ERROR: typedefbitmap can not handle alignment:%d\n",alignment); | |||
2038 | Exit(10); | |||
2039 | } | |||
2040 | FPRINTF(eth_code, "\n"); | |||
2041 | } | |||
2042 | ||||
2043 | /* scan the struct and create call for all bits */ | |||
2044 | while(ti){ | |||
2045 | if(!g_strcmp0(ti->str, "}")){ | |||
2046 | break; | |||
2047 | } | |||
2048 | if(!g_strcmp0(ti->str, "[")){ | |||
2049 | FPRINTF(stderrstderr, "ERROR: typedefbitmap can not handle '[' yet\n"); | |||
2050 | Exit(10); | |||
2051 | } | |||
2052 | ||||
2053 | name=ti->str; | |||
2054 | ti=ti->next; | |||
2055 | snprintf(hf_bitname, BASE_BUFFER_SIZE256, "hf_%s_%s_%s", ifname, bitmap_name, name); | |||
2056 | ||||
2057 | if(g_strcmp0(ti->str, "=")){ | |||
2058 | FPRINTF(stderrstderr, "ERROR: typedefbitmap i expected a '=' here\n"); | |||
2059 | Exit(10); | |||
2060 | } | |||
2061 | ti=ti->next; | |||
2062 | ||||
2063 | value=ti->str; | |||
2064 | ti=ti->next; | |||
2065 | val=0; | |||
2066 | if(!strncmp(value, "0x", 2)){ | |||
2067 | sscanf(value, "0x%x", &val); | |||
2068 | } else { | |||
2069 | FPRINTF(stderrstderr, "ERROR: typedefbitmap can only handle hexadecimal constants\n"); | |||
2070 | Exit(10); | |||
2071 | } | |||
2072 | ||||
2073 | if( val&(val-1) ){ | |||
2074 | FPRINTF(stderrstderr, "ERROR: typedefbitmap can only handle single bit fields\n"); | |||
2075 | Exit(10); | |||
2076 | } | |||
2077 | ||||
2078 | if(pass==0){ | |||
2079 | char filter_name[BASE_BUFFER_SIZE256], base_name[BASE_BUFFER_SIZE256], tfs_name[BASE_BUFFER_SIZE256]; | |||
2080 | ||||
2081 | snprintf(filter_name, BASE_BUFFER_SIZE256, "%s.%s.%s", ifname, bitmap_name, name); | |||
2082 | snprintf(base_name, BASE_BUFFER_SIZE256, "%d", alignment*8); | |||
2083 | snprintf(tfs_name, BASE_BUFFER_SIZE256, "TFS(&%s_tfs)", name); | |||
2084 | register_hf_field(hf_bitname, name, filter_name, "FT_BOOLEAN", base_name, tfs_name, value, ""); | |||
2085 | ||||
2086 | FPRINTF(eth_code, "static const true_false_string %s_tfs = {\n",name); | |||
2087 | FPRINTF(eth_code, " \"%s is SET\",\n", name); | |||
2088 | FPRINTF(eth_code, " \"%s is NOT set\"\n", name); | |||
2089 | FPRINTF(eth_code, "};\n"); | |||
2090 | FPRINTF(eth_code, "\n"); | |||
2091 | } | |||
2092 | ||||
2093 | if(pass==1){ | |||
2094 | FPRINTF(eth_code, " proto_tree_add_boolean(tree, %s, tvb, offset-%d, %d, flags);\n", hf_bitname, alignment, alignment); | |||
2095 | FPRINTF(eth_code, " if(flags&%s){\n", value); | |||
2096 | FPRINTF(eth_code, " proto_item_append_text(item, \" %s\");\n", name); | |||
2097 | FPRINTF(eth_code, " }\n"); | |||
2098 | FPRINTF(eth_code, " flags&=(~%s);\n", value); | |||
2099 | FPRINTF(eth_code, "\n"); | |||
2100 | } | |||
2101 | ||||
2102 | if(!g_strcmp0(ti->str, ",")){ | |||
2103 | ti=ti->next; | |||
2104 | continue; | |||
2105 | } | |||
2106 | } | |||
2107 | ||||
2108 | if(pass==1){ | |||
2109 | FPRINTF(eth_code, " if(flags){\n"); | |||
2110 | FPRINTF(eth_code, " proto_item_append_text(item, \"UNKNOWN-FLAGS\");\n"); | |||
2111 | FPRINTF(eth_code, " }\n"); | |||
2112 | FPRINTF(eth_code, "\n"); | |||
2113 | FPRINTF(eth_code, " return offset;\n"); | |||
2114 | FPRINTF(eth_code, "}\n"); | |||
2115 | switch(alignment){ | |||
2116 | case 1: | |||
2117 | register_new_type(bitmap_name, dissectorname, "FT_UINT8", "BASE_HEX", "0", "NULL", alignment); | |||
2118 | break; | |||
2119 | case 4: | |||
2120 | register_new_type(bitmap_name, dissectorname, "FT_UINT32", "BASE_HEX", "0", "NULL", alignment); | |||
2121 | break; | |||
2122 | default: | |||
2123 | FPRINTF(stderrstderr, "ERROR: typedefbitmap can not handle alignment:%d\n",alignment); | |||
2124 | Exit(10); | |||
2125 | } | |||
2126 | } | |||
2127 | ||||
2128 | FPRINTF(NULL((void*)0),"\nEND BITMAP:%s pass:%d\n-------\n",bitmap_name,pass); | |||
2129 | ||||
2130 | /* only advance token_list for pass==1 | |||
2131 | ti now points to the '}' token | |||
2132 | */ | |||
2133 | if(pass==1){ | |||
2134 | if(!ti || g_strcmp0(ti->str,"}")){ | |||
2135 | FPRINTF(stderrstderr, "ERROR: bitmap does not end with '}'\n"); | |||
2136 | Exit(10); | |||
2137 | } | |||
2138 | ti=ti->next; | |||
2139 | ||||
2140 | /* just skip the name */ | |||
2141 | ti=ti->next; | |||
2142 | ||||
2143 | if(!ti || g_strcmp0(ti->str,";")){ | |||
2144 | FPRINTF(stderrstderr, "ERROR: bitmap does not end with ';'\n"); | |||
2145 | Exit(10); | |||
2146 | } | |||
2147 | ti=ti->next; | |||
2148 | ||||
2149 | token_list=ti; | |||
2150 | } | |||
2151 | } | |||
2152 | ||||
2153 | /* a case tag might be a negative number, i.e. contain a '-' sign which | |||
2154 | is not valid inside a symbol name in c. | |||
2155 | */ | |||
2156 | static const char * | |||
2157 | case2str(const char *str) | |||
2158 | { | |||
2159 | char *newstr; | |||
2160 | if(str[0]!='-'){ | |||
2161 | return str; | |||
2162 | } | |||
2163 | newstr=g_strdup(str)g_strdup_inline (str); | |||
2164 | newstr[0]='m'; | |||
2165 | return newstr; | |||
2166 | } | |||
2167 | ||||
2168 | /* this function will parse a | |||
2169 | typedef union { | |||
2170 | construct and generate the appropriate code. | |||
2171 | the typedef will be g_removed from the token_list once it has been processed | |||
2172 | the function assumes that the typedef is the first object in the token_list | |||
2173 | the function will be called twice, once with pass=0 and once with pass=1 | |||
2174 | which controls whether subdissectors are to be generated or whether the | |||
2175 | union dissector itself is to be generated | |||
2176 | */ | |||
2177 | static void parsetypedefunion(int pass) | |||
2178 | { | |||
2179 | char *union_name; | |||
2180 | token_item_t *ti, *tmpti; | |||
2181 | char dissectorname[BASE_BUFFER_SIZE256]; | |||
2182 | bracket_item_t *bi=NULL((void*)0); | |||
2183 | char tmpstr[BASE_BUFFER_SIZE256], *ptmpstr; | |||
2184 | int level, num_pointers; | |||
2185 | static int alignment; | |||
2186 | type_item_t *type_item; | |||
2187 | char hf_index[BASE_BUFFER_SIZE256]; | |||
2188 | int tag_alignment, item_alignment; | |||
2189 | ||||
2190 | ti=token_list; | |||
2191 | if(g_strcmp0(ti->str, "typedef")){ | |||
2192 | FPRINTF(stderrstderr, "ERROR: typedefunion first token is not 'typedef'\n"); | |||
2193 | Exit(10); | |||
2194 | } | |||
2195 | ti=ti->next; | |||
2196 | ||||
2197 | if(!g_strcmp0(ti->str, "[")){ | |||
2198 | ti=parsebrackets(ti, &bi); | |||
2199 | } | |||
2200 | /* check that we know how to handle the bracket thing */ | |||
2201 | if(bi){ | |||
2202 | if(bi->flags&(~(BI_SWITCH_TYPE0x00000400))){ | |||
2203 | FPRINTF(stderrstderr, "ERROR: typedefunion unknown bracket flags encountered : 0x%08x\n",bi->flags); | |||
2204 | Exit(10); | |||
2205 | } | |||
2206 | } | |||
2207 | ||||
2208 | if(g_strcmp0(ti->str, "union")){ | |||
2209 | FPRINTF(stderrstderr, "ERROR: typedefunion second token is not 'union'\n"); | |||
2210 | Exit(10); | |||
2211 | } | |||
2212 | ti=ti->next; | |||
2213 | ||||
2214 | if(g_strcmp0(ti->str, "{")){ | |||
2215 | FPRINTF(stderrstderr, "ERROR: typedefunion third token is not '{'\n"); | |||
2216 | Exit(10); | |||
2217 | } | |||
2218 | ti=ti->next; | |||
2219 | ||||
2220 | /* search forward until the '}' so we can find the name of the union */ | |||
2221 | for(tmpti=ti,level=0;tmpti;tmpti=tmpti->next){ | |||
2222 | if(!g_strcmp0(tmpti->str, "{")){ | |||
2223 | level++; | |||
2224 | continue; | |||
2225 | } | |||
2226 | if(!g_strcmp0(tmpti->str, "}")){ | |||
2227 | if(!level){ | |||
2228 | break; | |||
2229 | } | |||
2230 | level--; | |||
2231 | continue; | |||
2232 | } | |||
2233 | } | |||
2234 | ||||
2235 | if (!tmpti || !tmpti->next){ | |||
2236 | FPRINTF(stderrstderr, "ERROR: typedefunion missing matching '}'\n"); | |||
2237 | Exit(10); | |||
2238 | } | |||
2239 | union_name=tmpti->next->str; | |||
2240 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_union_%s", ifname, union_name); | |||
2241 | ||||
2242 | FPRINTF(NULL((void*)0),"\nUNION:%s pass:%d\n-------\n",union_name,pass); | |||
2243 | ||||
2244 | if(bi && bi->flags&BI_SWITCH_TYPE0x00000400){ | |||
2245 | tag_alignment=bi->union_tag_size; | |||
2246 | } else { | |||
2247 | tag_alignment=get_union_tag_size(union_name); | |||
2248 | } | |||
2249 | ||||
2250 | /* this is pass 0 so reset alignment to the minimum possible value | |||
2251 | and update as items are processed. | |||
2252 | we need alignment when pass 1 is run | |||
2253 | */ | |||
2254 | if(pass==0){ | |||
2255 | alignment=tag_alignment; | |||
2256 | } | |||
2257 | ||||
2258 | /* pass 1 generate header for the struct dissector */ | |||
2259 | if(pass==1){ | |||
2260 | FPRINTF(eth_ett, "static int ett_%s_%s;\n", ifname, union_name); | |||
2261 | FPRINTF(eth_ettarr, " &ett_%s_%s,\n", ifname, union_name); | |||
2262 | FPRINTF(eth_code, "\n"); | |||
2263 | FPRINTF(eth_code, "static int\n"); | |||
2264 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
2265 | FPRINTF(eth_code, "{\n"); | |||
2266 | FPRINTF(eth_code, " proto_item *item=NULL;\n"); | |||
2267 | FPRINTF(eth_code, " proto_tree *tree=NULL;\n"); | |||
2268 | FPRINTF(eth_code, " int old_offset;\n"); | |||
2269 | /* we do alignment on the tag itself here so that | |||
2270 | we skip any alignment padding prior to where the tag | |||
2271 | itself starts, this makes the byterange in the hexpane | |||
2272 | for the union expansion start with the first byte of the tag | |||
2273 | */ | |||
2274 | switch(tag_alignment){ | |||
2275 | case 1: | |||
2276 | break; | |||
2277 | case 2: | |||
2278 | FPRINTF(eth_code, " uint16_t level;\n"); | |||
2279 | FPRINTF(eth_code, "\n"); | |||
2280 | FPRINTF(eth_code, " ALIGN_TO_2_BYTES;\n"); | |||
2281 | FPRINTF(eth_code, "\n"); | |||
2282 | break; | |||
2283 | case 4: | |||
2284 | FPRINTF(eth_code, " uint32_t level = 0;\n"); | |||
2285 | FPRINTF(eth_code, "\n"); | |||
2286 | FPRINTF(eth_code, " ALIGN_TO_4_BYTES;\n"); | |||
2287 | FPRINTF(eth_code, "\n"); | |||
2288 | break; | |||
2289 | default: | |||
2290 | FPRINTF(stderrstderr, "ERROR: typedefunion 1 can not handle alignment:%d\n",alignment); | |||
2291 | Exit(10); | |||
2292 | } | |||
2293 | FPRINTF(eth_code, " old_offset=offset;\n"); | |||
2294 | FPRINTF(eth_code, " if(parent_tree){\n"); | |||
2295 | FPRINTF(eth_code, " tree=proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_%s_%s, &item, \"%s\");\n", ifname, union_name, union_name); | |||
2296 | FPRINTF(eth_code, " }\n"); | |||
2297 | FPRINTF(eth_code, "\n"); | |||
2298 | switch(tag_alignment){ | |||
2299 | case 1: | |||
2300 | break; | |||
2301 | case 2: | |||
2302 | FPRINTF(eth_code, " offset=dissect_ndr_uint16(tvb, offset, pinfo, tree,\n"); | |||
2303 | FPRINTF(eth_code, " di, drep, hf_index, &level);\n"); | |||
2304 | break; | |||
2305 | case 4: | |||
2306 | FPRINTF(eth_code, " offset=dissect_ndr_uint32(tvb, offset, pinfo, tree,\n"); | |||
2307 | FPRINTF(eth_code, " di, drep, hf_index, &level);\n"); | |||
2308 | break; | |||
2309 | default: | |||
2310 | FPRINTF(stderrstderr, "ERROR: typedefunion 2 can not handle alignment:%d\n",alignment); | |||
2311 | Exit(10); | |||
2312 | } | |||
2313 | FPRINTF(eth_code, "\n"); | |||
2314 | FPRINTF(eth_code, " switch(level){\n"); | |||
2315 | } | |||
2316 | ||||
2317 | /* scan the struct and create all subdissectors */ | |||
2318 | level=0; | |||
2319 | while(ti){ | |||
2320 | if(!g_strcmp0(ti->str, "{")){ | |||
2321 | ti=ti->next; | |||
2322 | level++; | |||
2323 | continue; | |||
2324 | } | |||
2325 | if(!g_strcmp0(ti->str, "}")){ | |||
2326 | if(!level){ | |||
2327 | break; | |||
2328 | } | |||
2329 | ti=ti->next; | |||
2330 | level--; | |||
2331 | continue; | |||
2332 | } | |||
2333 | if(!g_strcmp0(ti->str, "[")){ | |||
2334 | ti=parsebrackets(ti, &bi); | |||
2335 | continue; | |||
2336 | } | |||
2337 | ||||
2338 | if(!bi){ | |||
2339 | FPRINTF(stderrstderr, "ERROR : typedefunion no brackets found for case\n"); | |||
2340 | Exit(10); | |||
2341 | } | |||
2342 | /* make sure we catch when we havent implemented everything | |||
2343 | yet. | |||
2344 | we currently only know about CASE and CASE_DEFAULT flags | |||
2345 | */ | |||
2346 | if(bi->flags&(~(BI_CASE0x00000001|BI_CASE_DEFAULT0x00000002|BI_POINTER0x00000040))){ | |||
2347 | FPRINTF(stderrstderr, "ERROR: typedefunion unknown bracket flags encountered : 0x%08x\n",bi->flags); | |||
2348 | Exit(10); | |||
2349 | } | |||
2350 | if(!(bi->flags&BI_CASE0x00000001)){ | |||
2351 | FPRINTF(stderrstderr, "ERROR : typedefunion no case found in brackets\n"); | |||
2352 | Exit(10); | |||
2353 | } | |||
2354 | #ifdef g_removeD | |||
2355 | /* only empty default cases for now */ | |||
2356 | if(bi->flags&BI_CASE_DEFAULT0x00000002){ | |||
2357 | if(g_strcmp0(ti->str,";")){ | |||
2358 | FPRINTF(stderrstderr, "ERROR: default tag is not empty\n"); | |||
2359 | Exit(10); | |||
2360 | } | |||
2361 | ti=ti->next; | |||
2362 | continue; | |||
2363 | } | |||
2364 | #endif | |||
2365 | ||||
2366 | /* just skip all and any 'empty' arms */ | |||
2367 | if(!g_strcmp0(ti->str, ";")){ | |||
2368 | ti=ti->next; | |||
2369 | continue; | |||
2370 | } | |||
2371 | ||||
2372 | /* handle the type, verify that we KNOW this type */ | |||
2373 | type_item=find_type(ti->str); | |||
2374 | if(!type_item){ | |||
2375 | FPRINTF(stderrstderr, "ERROR : typedefunion unknown type %s\n",ti->str); | |||
2376 | Exit(10); | |||
2377 | } | |||
2378 | ti=ti->next; | |||
2379 | /* count the levels of pointers */ | |||
2380 | for(num_pointers=0;!g_strcmp0(ti->str, "*");ti=ti->next){ | |||
2381 | num_pointers++; | |||
2382 | } | |||
2383 | ||||
2384 | /* keep track of alignment */ | |||
2385 | if(num_pointers){ | |||
2386 | item_alignment=4; | |||
2387 | } else { | |||
2388 | item_alignment=type_item->alignment; | |||
2389 | } | |||
2390 | if(alignment<item_alignment){ | |||
2391 | alignment=item_alignment; | |||
2392 | } | |||
2393 | ||||
2394 | snprintf(hf_index, BASE_BUFFER_SIZE256, "hf_%s_%s_%s_%s", ifname, union_name, case2str(bi->case_name), ti->str); | |||
2395 | /* pass 0 generate subdissectors */ | |||
2396 | if(pass==0){ | |||
2397 | char filter_name[BASE_BUFFER_SIZE256]; | |||
2398 | const char *hf; | |||
2399 | ||||
2400 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_dissect_union_%s_%s_%s", ifname, union_name, case2str(bi->case_name), ti->str); | |||
2401 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2402 | ||||
2403 | snprintf(filter_name, BASE_BUFFER_SIZE256, "%s.%s.%s", ifname, union_name, ti->str); | |||
2404 | hf=register_hf_field(hf_index, ti->str, filter_name, type_item->ft_type, type_item->base_type, type_item->vals, type_item->mask, ""); | |||
2405 | ||||
2406 | FPRINTF(eth_code, "static int\n"); | |||
2407 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", ptmpstr); | |||
2408 | FPRINTF(eth_code, "{\n"); | |||
2409 | FPRINTF(eth_code, " uint32_t param=%s;\n",find_dissector_param_value(ptmpstr)); | |||
2410 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep, %s, param);\n", type_item->dissector, hf); | |||
2411 | FPRINTF(eth_code, " return offset;\n"); | |||
2412 | FPRINTF(eth_code, "}\n"); | |||
2413 | FPRINTF(eth_code, "\n"); | |||
2414 | ||||
2415 | /* handle pointers */ | |||
2416 | while(num_pointers--){ | |||
2417 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", ptmpstr, "unique"); | |||
2418 | FPRINTF(eth_code, "static int\n"); | |||
2419 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
2420 | FPRINTF(eth_code, "{\n"); | |||
2421 | FPRINTF(eth_code, " offset=dissect_ndr_embedded_pointer(tvb, offset, pinfo, tree, di, drep, %s, NDR_POINTER_UNIQUE, \"%s\", -1);\n", ptmpstr, ti->str); | |||
2422 | FPRINTF(eth_code, " return offset;\n"); | |||
2423 | FPRINTF(eth_code, "}\n"); | |||
2424 | FPRINTF(eth_code, "\n"); | |||
2425 | ||||
2426 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2427 | ||||
2428 | } | |||
2429 | } | |||
2430 | ||||
2431 | if(pass==1){ | |||
2432 | /* handle pointers */ | |||
2433 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_dissect_union_%s_%s_%s", ifname, union_name, case2str(bi->case_name), ti->str); | |||
2434 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2435 | while(num_pointers--){ | |||
2436 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", ptmpstr, "unique"); | |||
2437 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2438 | } | |||
2439 | ||||
2440 | if(bi->flags&BI_CASE_DEFAULT0x00000002){ | |||
2441 | FPRINTF(eth_code, " default:\n"); | |||
2442 | } else { | |||
2443 | FPRINTF(eth_code, " case %s:\n",bi->case_name); | |||
2444 | } | |||
2445 | /* each arm itself is aligned independently */ | |||
2446 | switch(item_alignment){ | |||
2447 | case 1: | |||
2448 | break; | |||
2449 | case 2: | |||
2450 | FPRINTF(eth_code, " ALIGN_TO_2_BYTES;\n"); | |||
2451 | break; | |||
2452 | case 4: | |||
2453 | FPRINTF(eth_code, " ALIGN_TO_4_BYTES;\n"); | |||
2454 | break; | |||
2455 | case 8: | |||
2456 | FPRINTF(eth_code, " ALIGN_TO_8_BYTES;\n"); | |||
2457 | break; | |||
2458 | default: | |||
2459 | FPRINTF(stderrstderr, "ERROR: typedefunion 3 can not handle alignment:%d\n",item_alignment); | |||
2460 | Exit(10); | |||
2461 | } | |||
2462 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep);\n", ptmpstr); | |||
2463 | FPRINTF(eth_code, " break;\n"); | |||
2464 | FPRINTF(eth_code, "\n"); | |||
2465 | } | |||
2466 | ti=ti->next; | |||
2467 | ||||
2468 | if(g_strcmp0(ti->str,";")){ | |||
2469 | FPRINTF(stderrstderr, "ERROR: field does not end with ';'\n"); | |||
2470 | Exit(10); | |||
2471 | } | |||
2472 | ti=ti->next; | |||
2473 | } | |||
2474 | ||||
2475 | if(pass==1){ | |||
2476 | FPRINTF(eth_code, " }\n"); | |||
2477 | FPRINTF(eth_code, "\n"); | |||
2478 | FPRINTF(eth_code, " proto_item_set_len(item, offset-old_offset);\n"); | |||
2479 | FPRINTF(eth_code, "\n"); | |||
2480 | FPRINTF(eth_code, " return offset;\n"); | |||
2481 | FPRINTF(eth_code, "}\n"); | |||
2482 | switch(tag_alignment){ | |||
2483 | case 2: | |||
2484 | register_new_type(union_name, dissectorname, "FT_UINT16", "BASE_DEC", "0", "NULL", alignment); | |||
2485 | break; | |||
2486 | case 4: | |||
2487 | register_new_type(union_name, dissectorname, "FT_UINT32", "BASE_DEC", "0", "NULL", alignment); | |||
2488 | break; | |||
2489 | default: | |||
2490 | FPRINTF(stderrstderr, "ERROR: typedefunion 4 can not handle alignment:%d\n",alignment); | |||
2491 | Exit(10); | |||
2492 | } | |||
2493 | } | |||
2494 | ||||
2495 | FPRINTF(NULL((void*)0),"\nEND UNION:%s pass:%d\n-------\n",union_name,pass); | |||
2496 | ||||
2497 | /* only advance token_list for pass==1 | |||
2498 | ti now points to the '}' token | |||
2499 | */ | |||
2500 | if(pass==1){ | |||
2501 | if(!ti || g_strcmp0(ti->str,"}")){ | |||
2502 | FPRINTF(stderrstderr, "ERROR: union does not end with '}'\n"); | |||
2503 | Exit(10); | |||
2504 | } | |||
2505 | ti=ti->next; | |||
2506 | ||||
2507 | /* just skip the name */ | |||
2508 | ti=ti->next; | |||
2509 | ||||
2510 | if(!ti || g_strcmp0(ti->str,";")){ | |||
2511 | FPRINTF(stderrstderr, "ERROR: union does not end with ';'\n"); | |||
2512 | Exit(10); | |||
2513 | } | |||
2514 | ti=ti->next; | |||
2515 | ||||
2516 | token_list=ti; | |||
2517 | } | |||
2518 | } | |||
2519 | ||||
2520 | ||||
2521 | /* this function will parse a | |||
2522 | WERROR function ( | |||
2523 | construct and generate the appropriate code. | |||
2524 | the function will be g_removed from the token_list once it has been processed | |||
2525 | the function assumes that the function is the first object in the token_list | |||
2526 | the function will be called three times with | |||
2527 | pass=0 generate subdissectors and entries for the function table | |||
2528 | pass=1 generate code for the REQUEST | |||
2529 | pass=2 generate code for the REPLY | |||
2530 | */ | |||
2531 | static void parsefunction(int pass) | |||
2532 | { | |||
2533 | char *function_name; | |||
2534 | static int funcno=0; | |||
2535 | token_item_t *ti; | |||
2536 | bracket_item_t *bi=NULL((void*)0); | |||
2537 | pointer_item_t *pi; | |||
2538 | const char *pointer_type; | |||
2539 | ||||
2540 | char tmpstr[BASE_BUFFER_SIZE256], *ptmpstr; | |||
2541 | int level, num_pointers; | |||
2542 | type_item_t *type_item; | |||
2543 | char hf_index[BASE_BUFFER_SIZE256]; | |||
2544 | ||||
2545 | ti=token_list; | |||
2546 | if(g_strcmp0(ti->str, "WERROR")){ | |||
2547 | FPRINTF(stderrstderr, "ERROR: function first token is not 'WERROR'\n"); | |||
2548 | Exit(10); | |||
2549 | } | |||
2550 | ti=ti->next; | |||
2551 | ||||
2552 | function_name=ti->str; | |||
2553 | ti=ti->next; | |||
2554 | ||||
2555 | if(g_strcmp0(ti->str, "(")){ | |||
2556 | FPRINTF(stderrstderr, "ERROR: function third token is not '('\n"); | |||
2557 | Exit(10); | |||
2558 | } | |||
2559 | ti=ti->next; | |||
2560 | ||||
2561 | FPRINTF(NULL((void*)0),"\nFUNCTION:%s pass:%d\n-------\n",function_name,pass); | |||
2562 | ||||
2563 | if(pass==0){ | |||
2564 | FPRINTF(eth_ft, " { %d, \"%s\",\n",funcno,function_name); | |||
2565 | FPRINTF(eth_ft, " %s_dissect_%s_request,\n", ifname, function_name); | |||
2566 | FPRINTF(eth_ft, " %s_dissect_%s_response },\n", ifname, function_name); | |||
2567 | funcno++; | |||
2568 | } | |||
2569 | ||||
2570 | /* pass 1,2 generate header for the function dissector */ | |||
2571 | if((pass==1)||(pass==2)){ | |||
2572 | FPRINTF(eth_code, "\n"); | |||
2573 | FPRINTF(eth_code, "static int\n"); | |||
2574 | FPRINTF(eth_code, "%s_dissect_%s_%s(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, dcerpc_info* di _U_, uint8_t *drep _U_)\n", ifname, function_name, (pass==1)?"request":"response"); | |||
2575 | FPRINTF(eth_code, "{\n"); | |||
2576 | } | |||
2577 | ||||
2578 | /* scan the struct and create all subdissectors */ | |||
2579 | level=0; | |||
2580 | while(ti){ | |||
2581 | if(!g_strcmp0(ti->str, "(")){ | |||
2582 | ti=ti->next; | |||
2583 | level++; | |||
2584 | continue; | |||
2585 | } | |||
2586 | if(!g_strcmp0(ti->str, ")")){ | |||
2587 | if(!level){ | |||
2588 | break; | |||
2589 | } | |||
2590 | ti=ti->next; | |||
2591 | level--; | |||
2592 | continue; | |||
2593 | } | |||
2594 | if(!g_strcmp0(ti->str, "[")){ | |||
2595 | ti=parsebrackets(ti, &bi); | |||
2596 | continue; | |||
2597 | } | |||
2598 | ||||
2599 | if(!bi){ | |||
2600 | FPRINTF(stderrstderr, "ERROR : function no brackets found for case\n"); | |||
2601 | Exit(10); | |||
2602 | } | |||
2603 | ||||
2604 | /* make sure we catch when we havent implemented everything | |||
2605 | yet. | |||
2606 | we currently only know about IN and OUT flags | |||
2607 | */ | |||
2608 | if(bi->flags&(~(BI_IN0x00000004|BI_OUT0x00000008|BI_POINTER0x00000040|BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020))){ | |||
2609 | FPRINTF(stderrstderr, "ERROR: function unknown bracket flags encountered : 0x%08x\n",bi->flags); | |||
2610 | Exit(10); | |||
2611 | } | |||
2612 | if(!(bi->flags&(BI_IN0x00000004|BI_OUT0x00000008))){ | |||
2613 | FPRINTF(stderrstderr, "ERROR : function parameter is neither in nor out\n"); | |||
2614 | Exit(10); | |||
2615 | } | |||
2616 | ||||
2617 | /* handle the type, verify that we KNOW this type */ | |||
2618 | type_item=find_type(ti->str); | |||
2619 | if(!type_item){ | |||
2620 | FPRINTF(stderrstderr, "ERROR : function unknown type %s\n",ti->str); | |||
2621 | Exit(10); | |||
2622 | } | |||
2623 | ti=ti->next; | |||
2624 | /* count the levels of pointers */ | |||
2625 | for(num_pointers=0;!g_strcmp0(ti->str, "*");ti=ti->next){ | |||
2626 | num_pointers++; | |||
2627 | } | |||
2628 | ||||
2629 | /* now that we know how many real poitner there were we must | |||
2630 | prepend default pointers to the list so it has the right | |||
2631 | length. | |||
2632 | */ | |||
2633 | pi=prepend_pointer_list(bi->pointer_list, num_pointers); | |||
2634 | ||||
2635 | snprintf(hf_index, BASE_BUFFER_SIZE256, "hf_%s_%s_%s", ifname, function_name, ti->str); | |||
2636 | /* pass 0 generate subdissectors */ | |||
2637 | if(pass==0){ | |||
2638 | char filter_name[BASE_BUFFER_SIZE256]; | |||
2639 | const char *hf; | |||
2640 | ||||
2641 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_dissect_%s_%s", ifname, function_name, ti->str); | |||
2642 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2643 | ||||
2644 | snprintf(filter_name, BASE_BUFFER_SIZE256, "%s.%s.%s", ifname, function_name, ti->str); | |||
2645 | hf=register_hf_field(hf_index, ti->str, filter_name, type_item->ft_type, type_item->base_type, type_item->vals, type_item->mask, ""); | |||
2646 | ||||
2647 | FPRINTF(eth_code, "static int\n"); | |||
2648 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", ptmpstr); | |||
2649 | FPRINTF(eth_code, "{\n"); | |||
2650 | FPRINTF(eth_code, " uint32_t param=%s;\n",find_dissector_param_value(ptmpstr)); | |||
2651 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep, %s, param);\n", type_item->dissector, hf); | |||
2652 | FPRINTF(eth_code, " return offset;\n"); | |||
2653 | FPRINTF(eth_code, "}\n"); | |||
2654 | FPRINTF(eth_code, "\n"); | |||
2655 | ||||
2656 | ||||
2657 | /* handle switch_is */ | |||
2658 | switch(bi->flags&(BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020)){ | |||
2659 | case 0: | |||
2660 | break; | |||
2661 | case BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020: | |||
2662 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucvarray_%s", ptmpstr); | |||
2663 | FPRINTF(eth_code, "static int\n"); | |||
2664 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
2665 | FPRINTF(eth_code, "{\n"); | |||
2666 | FPRINTF(eth_code, " offset=dissect_ndr_ucvarray(tvb, offset, pinfo, tree, di, drep, %s);\n", ptmpstr); | |||
2667 | FPRINTF(eth_code, " return offset;\n"); | |||
2668 | FPRINTF(eth_code, "}\n"); | |||
2669 | FPRINTF(eth_code, "\n"); | |||
2670 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2671 | break; | |||
2672 | case BI_SIZE_IS0x00000010: | |||
2673 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucarray_%s", ptmpstr); | |||
2674 | FPRINTF(eth_code, "static int\n"); | |||
2675 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
2676 | FPRINTF(eth_code, "{\n"); | |||
2677 | FPRINTF(eth_code, " offset=dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep, %s);\n", ptmpstr); | |||
2678 | FPRINTF(eth_code, " return offset;\n"); | |||
2679 | FPRINTF(eth_code, "}\n"); | |||
2680 | FPRINTF(eth_code, "\n"); | |||
2681 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2682 | break; | |||
2683 | default: | |||
2684 | FPRINTF(stderrstderr, "ERROR: typedeffunction can not handle this combination of sizeis/lengthis\n"); | |||
2685 | Exit(10); | |||
2686 | } | |||
2687 | ||||
2688 | /* handle pointers */ | |||
2689 | while(num_pointers--){ | |||
2690 | pointer_type=pi->type; | |||
2691 | pi=pi->next; | |||
2692 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", pointer_type, ptmpstr); | |||
2693 | FPRINTF(eth_code, "static int\n"); | |||
2694 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep)\n", tmpstr); | |||
2695 | FPRINTF(eth_code, "{\n"); | |||
2696 | FPRINTF(eth_code, " offset=dissect_ndr_toplevel_pointer(tvb, offset, pinfo, tree, di, drep, %s, %s, \"%s\", -1);\n", ptmpstr, ptr_to_define(pointer_type), ti->str); | |||
2697 | FPRINTF(eth_code, " return offset;\n"); | |||
2698 | FPRINTF(eth_code, "}\n"); | |||
2699 | FPRINTF(eth_code, "\n"); | |||
2700 | ||||
2701 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2702 | ||||
2703 | } | |||
2704 | } | |||
2705 | ||||
2706 | if((pass==1)||(pass==2)){ | |||
2707 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_dissect_%s_%s", ifname, function_name, ti->str); | |||
2708 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2709 | ||||
2710 | switch(bi->flags&(BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020)){ | |||
2711 | case 0: | |||
2712 | break; | |||
2713 | case BI_SIZE_IS0x00000010|BI_LENGTH_IS0x00000020: | |||
2714 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucvarray_%s", ptmpstr); | |||
2715 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2716 | break; | |||
2717 | case BI_SIZE_IS0x00000010: | |||
2718 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "ucarray_%s", ptmpstr); | |||
2719 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2720 | break; | |||
2721 | default: | |||
2722 | FPRINTF(stderrstderr, "ERROR: typedeffunction can not handle this combination of sizeis/lengthis\n"); | |||
2723 | Exit(10); | |||
2724 | } | |||
2725 | ||||
2726 | /* handle pointers */ | |||
2727 | while(num_pointers--){ | |||
2728 | pointer_type=pi->type; | |||
2729 | pi=pi->next; | |||
2730 | snprintf(tmpstr, BASE_BUFFER_SIZE256, "%s_%s", pointer_type, ptmpstr); | |||
2731 | ptmpstr=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
2732 | } | |||
2733 | ||||
2734 | if((pass==1)&&(bi->flags&BI_IN0x00000004)){ | |||
2735 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep);\n", ptmpstr); | |||
2736 | FPRINTF(eth_code, " offset=dissect_deferred_pointers(pinfo, tvb, offset, di, drep);\n"); | |||
2737 | FPRINTF(eth_code, "\n"); | |||
2738 | } | |||
2739 | if((pass==2)&&(bi->flags&BI_OUT0x00000008)){ | |||
2740 | FPRINTF(eth_code, " offset=%s(tvb, offset, pinfo, tree, di, drep);\n", ptmpstr); | |||
2741 | FPRINTF(eth_code, " offset=dissect_deferred_pointers(pinfo, tvb, offset, di, drep);\n"); | |||
2742 | FPRINTF(eth_code, "\n"); | |||
2743 | } | |||
2744 | } | |||
2745 | ti=ti->next; | |||
2746 | ||||
2747 | ||||
2748 | if(!g_strcmp0(ti->str,",")){ | |||
2749 | ti=ti->next; | |||
2750 | continue; | |||
2751 | } | |||
2752 | } | |||
2753 | ||||
2754 | if((pass==1)||(pass==2)){ | |||
2755 | if(pass==2){ | |||
2756 | FPRINTF(eth_code, " offset=dissect_ntstatus(tvb, offset, pinfo, tree, di, drep, %s, NULL);\n", hf_status); | |||
2757 | FPRINTF(eth_code, "\n"); | |||
2758 | } | |||
2759 | FPRINTF(eth_code, "\n"); | |||
2760 | FPRINTF(eth_code, " return offset;\n"); | |||
2761 | FPRINTF(eth_code, "}\n"); | |||
2762 | } | |||
2763 | ||||
2764 | FPRINTF(NULL((void*)0),"\nEND FUNCTION:%s pass:%d\n-------\n",function_name,pass); | |||
2765 | ||||
2766 | /* only advance token_list for pass==2 | |||
2767 | ti now points to the ')' token | |||
2768 | */ | |||
2769 | if(pass==2){ | |||
2770 | if(!ti || g_strcmp0(ti->str,")")){ | |||
2771 | FPRINTF(stderrstderr, "ERROR: function does not end with ')'\n"); | |||
2772 | Exit(10); | |||
2773 | } | |||
2774 | ti=ti->next; | |||
2775 | ||||
2776 | if(!ti || g_strcmp0(ti->str,";")){ | |||
2777 | FPRINTF(stderrstderr, "ERROR: function does not end with ';'\n"); | |||
2778 | Exit(10); | |||
2779 | } | |||
2780 | ti=ti->next; | |||
2781 | ||||
2782 | token_list=ti; | |||
2783 | } | |||
2784 | } | |||
2785 | ||||
2786 | ||||
2787 | /* this function will parse a | |||
2788 | typedef enum { | |||
2789 | or a | |||
2790 | typedef [ v1_enum ] enum { | |||
2791 | construct and generate the appropriate code. | |||
2792 | the typedef will be g_removed from the token_list once it has been processed | |||
2793 | the function assumes that the typedef is the first object in the token_list | |||
2794 | */ | |||
2795 | static void parsetypedefenum(void) | |||
2796 | { | |||
2797 | token_item_t *ti; | |||
2798 | enum_list_t *enum_list, *el, *lastel; | |||
2799 | char *p; | |||
2800 | long val; | |||
2801 | int eval, enumsize; | |||
2802 | char dissectorname[BASE_BUFFER_SIZE256], valsstring[BASE_BUFFER_SIZE256]; | |||
2803 | char *hfvalsstring; | |||
2804 | ||||
2805 | enumsize=16; | |||
2806 | ||||
2807 | ti=token_list; | |||
2808 | if(g_strcmp0(ti->str, "typedef")){ | |||
2809 | FPRINTF(stderrstderr, "ERROR: typedefenum first token is not 'typedef'\n"); | |||
2810 | Exit(10); | |||
2811 | } | |||
2812 | ti=ti->next; | |||
2813 | ||||
2814 | /* this could be a [ v1_enum ] */ | |||
2815 | if(!g_strcmp0(ti->str, "[")){ | |||
2816 | ti=ti->next; | |||
2817 | ||||
2818 | if(g_strcmp0(ti->str, "v1_enum")){ | |||
2819 | FPRINTF(stderrstderr, "ERROR: typedefenum not 'v1_enum' inside brackets\n"); | |||
2820 | Exit(10); | |||
2821 | } | |||
2822 | ti=ti->next; | |||
2823 | ||||
2824 | if(g_strcmp0(ti->str, "]")){ | |||
2825 | FPRINTF(stderrstderr, "ERROR: typedefenum 'v1_enum' is not followed by ']'\n"); | |||
2826 | Exit(10); | |||
2827 | } | |||
2828 | ti=ti->next; | |||
2829 | ||||
2830 | enumsize=32; | |||
2831 | } | |||
2832 | ||||
2833 | ||||
2834 | if(g_strcmp0(ti->str, "enum")){ | |||
2835 | FPRINTF(stderrstderr, "ERROR: typedefenum second token is not 'enum'\n"); | |||
2836 | Exit(10); | |||
2837 | } | |||
2838 | ti=ti->next; | |||
2839 | ||||
2840 | if(g_strcmp0(ti->str, "{")){ | |||
2841 | FPRINTF(stderrstderr, "ERROR: typedefenum third token is not '{'\n"); | |||
2842 | Exit(10); | |||
2843 | } | |||
2844 | ti=ti->next; | |||
2845 | ||||
2846 | /* now parse all values until we find the "}" */ | |||
2847 | eval=0; | |||
2848 | enum_list=NULL((void*)0); | |||
2849 | lastel=NULL((void*)0); | |||
2850 | while(1){ | |||
2851 | /* check for '}' */ | |||
2852 | if(!g_strcmp0(ti->str,"}")){ | |||
2853 | ti=ti->next; | |||
2854 | break; | |||
2855 | } | |||
2856 | ||||
2857 | /* handle 4 types of entries: | |||
2858 | * 1, CONST = value, | |||
2859 | * 2, CONST, | |||
2860 | * 3, CONST = value} | |||
2861 | * 4, CONST} | |||
2862 | */ | |||
2863 | el=g_new0(enum_list_t, 1)((enum_list_t *) g_malloc0_n ((1), sizeof (enum_list_t))); | |||
2864 | if (!el) { | |||
2865 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
2866 | exit(10); | |||
2867 | } | |||
2868 | el->next=NULL((void*)0); | |||
2869 | if(!enum_list
| |||
2870 | enum_list=el; | |||
2871 | } else { | |||
2872 | lastel->next=el; | |||
2873 | } | |||
2874 | lastel=el; | |||
2875 | ||||
2876 | /* grab CONST */ | |||
2877 | el->name=ti->str; | |||
2878 | ti=ti->next; | |||
2879 | ||||
2880 | /* grab separator */ | |||
2881 | if(!g_strcmp0(ti->str,"=")){ | |||
2882 | ti=ti->next; | |||
2883 | /* grab value */ | |||
2884 | val=strtol(ti->str,&p,0); | |||
2885 | if (p==ti->str||*p) { | |||
2886 | FPRINTF(stderrstderr, "ERROR: typedefenum value is not a number\n"); | |||
2887 | Exit(10); | |||
2888 | } | |||
2889 | el->val=(int)val; | |||
2890 | ti=ti->next; | |||
2891 | } else { | |||
2892 | el->val=eval; | |||
2893 | } | |||
2894 | eval=el->val+1; | |||
2895 | ||||
2896 | /* check for ',' */ | |||
2897 | if(!g_strcmp0(ti->str,",")){ | |||
2898 | ti=ti->next; | |||
2899 | continue; | |||
2900 | } | |||
2901 | ||||
2902 | /* check for '}' */ | |||
2903 | if(!g_strcmp0(ti->str,"}")){ | |||
2904 | ti=ti->next; | |||
2905 | break; | |||
2906 | } | |||
2907 | ||||
2908 | FPRINTF(stderrstderr,"ERROR: typedefenum should not be reached\n"); | |||
2909 | Exit(10); | |||
2910 | } | |||
2911 | ||||
2912 | /* verify that it ends with a ';' */ | |||
2913 | if(g_strcmp0(ti->next->str,";")){ | |||
2914 | FPRINTF(stderrstderr,"ERROR enum terminator is not ';'\n"); | |||
2915 | Exit(10); | |||
2916 | } | |||
2917 | ||||
2918 | snprintf(valsstring, BASE_BUFFER_SIZE256, "%s_%s_vals", ifname, ti->str); | |||
2919 | snprintf(dissectorname, DISSECTORNAME_MAXLEN256, "%s_dissect_%s", ifname, ti->str); | |||
2920 | ||||
2921 | FPRINTF(NULL((void*)0),"\nENUM:%s\n-------\n",ti->str); | |||
2922 | ||||
2923 | FPRINTF(eth_hdr, "\n"); | |||
2924 | for(el=enum_list;el;el=el->next){ | |||
2925 | FPRINTF(eth_hdr, "#define %s %d\n", el->name, el->val); | |||
2926 | } | |||
2927 | ||||
2928 | FPRINTF(eth_hdr, "\n"); | |||
2929 | FPRINTF(eth_hdr, "extern const value_string %s[];\n", valsstring); | |||
2930 | FPRINTF(eth_hdr, "int %s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param);\n", dissectorname); | |||
2931 | ||||
2932 | FPRINTF(eth_code, "\n"); | |||
2933 | FPRINTF(eth_code, "const value_string %s[] = {\n", valsstring); | |||
2934 | ||||
2935 | for(el=enum_list;el;el=el->next){ | |||
| ||||
2936 | FPRINTF(eth_code, " { %d , \"%s\" },\n", el->val, el->name); | |||
2937 | } | |||
2938 | FPRINTF(eth_code, " { 0 , NULL }\n"); | |||
2939 | FPRINTF(eth_code, "};\n"); | |||
2940 | ||||
2941 | FPRINTF(eth_code, "\n"); | |||
2942 | FPRINTF(eth_code, "int\n"); | |||
2943 | FPRINTF(eth_code, "%s(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di, uint8_t *drep, int hf_index, uint32_t param _U_)\n", dissectorname); | |||
2944 | FPRINTF(eth_code, "{\n"); | |||
2945 | switch(enumsize){ | |||
2946 | case 16: | |||
2947 | FPRINTF(eth_code, " offset=dissect_ndr_uint16(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
2948 | break; | |||
2949 | case 32: | |||
2950 | FPRINTF(eth_code, " offset=dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_index, NULL);\n"); | |||
2951 | break; | |||
2952 | default: | |||
2953 | FPRINTF(stderrstderr,"ERROR enum unknown size\n"); | |||
2954 | Exit(10); | |||
2955 | } | |||
2956 | ||||
2957 | FPRINTF(eth_code, " return offset;\n"); | |||
2958 | FPRINTF(eth_code, "}\n"); | |||
2959 | FPRINTF(eth_code, "\n"); | |||
2960 | ||||
2961 | hfvalsstring = g_strdup_printf("VALS(%s)", valsstring); | |||
2962 | switch(enumsize){ | |||
2963 | case 16: | |||
2964 | register_new_type(ti->str, dissectorname, "FT_INT16", "BASE_DEC", "0", hfvalsstring, 2); | |||
2965 | break; | |||
2966 | case 32: | |||
2967 | register_new_type(ti->str, dissectorname, "FT_INT32", "BASE_DEC", "0", hfvalsstring, 4); | |||
2968 | break; | |||
2969 | default: | |||
2970 | FPRINTF(stderrstderr,"ERROR enum unknown size\n"); | |||
2971 | g_free(hfvalsstring); | |||
2972 | Exit(10); | |||
2973 | } | |||
2974 | g_free(hfvalsstring); | |||
2975 | ||||
2976 | FPRINTF(NULL((void*)0),"\n----------\nEND ENUM:%s\n",ti->str); | |||
2977 | ||||
2978 | /* skip past the name and the ';' */ | |||
2979 | token_list=ti->next->next; | |||
2980 | } | |||
2981 | ||||
2982 | typedef struct _trimmed_prefixes_t { | |||
2983 | struct _trimmed_prefixes_t *next; | |||
2984 | char *name; | |||
2985 | } trimmed_prefixes_t; | |||
2986 | static trimmed_prefixes_t *prefixes_to_trim=NULL((void*)0); | |||
2987 | ||||
2988 | static void preparetrimprefix(char *prefix_name) | |||
2989 | { | |||
2990 | trimmed_prefixes_t *new_prefix; | |||
2991 | new_prefix=g_new0(trimmed_prefixes_t, 1)((trimmed_prefixes_t *) g_malloc0_n ((1), sizeof (trimmed_prefixes_t ))); | |||
2992 | if (!new_prefix) { | |||
2993 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
2994 | exit(10); | |||
2995 | } | |||
2996 | new_prefix->next=prefixes_to_trim; | |||
2997 | prefixes_to_trim=new_prefix; | |||
2998 | new_prefix->name=g_strdup(prefix_name)g_strdup_inline (prefix_name); | |||
2999 | } | |||
3000 | ||||
3001 | static void | |||
3002 | trimprefix(void) | |||
3003 | { | |||
3004 | token_item_t *ti; | |||
3005 | trimmed_prefixes_t *pfx; | |||
3006 | size_t len; | |||
3007 | ||||
3008 | for(pfx=prefixes_to_trim;pfx;pfx=pfx->next){ | |||
3009 | len=strlen(pfx->name); | |||
3010 | for(ti=token_list;ti;ti=ti->next){ | |||
3011 | if(!strncmp(ti->str, pfx->name, len)){ | |||
3012 | ti->str+=len; | |||
3013 | } | |||
3014 | } | |||
3015 | } | |||
3016 | } | |||
3017 | ||||
3018 | static int Exit(int code) | |||
3019 | { | |||
3020 | FPRINTF(stderrstderr, "The tokens remaining when aborting:\n"); | |||
3021 | printtokenlist(10); | |||
3022 | ||||
3023 | exit(code); | |||
3024 | } | |||
3025 | ||||
3026 | static void usage(void) | |||
3027 | { | |||
3028 | FPRINTF(stderrstderr, "Usage: idl2wrs <interface>\n"); | |||
3029 | } | |||
3030 | ||||
3031 | static void | |||
3032 | mergefile(const char *name, FILE *outfile) | |||
3033 | { | |||
3034 | FILE *infile; | |||
3035 | ||||
3036 | FPRINTF(outfile, "\n\n/* INCLUDED FILE : %s */\n", name); | |||
3037 | infile=g_fopenfopen(name, "r"); | |||
3038 | while(!feof(infile)){ | |||
3039 | int ch; | |||
3040 | ch=fgetc(infile); | |||
3041 | if(ch!=-1){ | |||
3042 | fputc(ch, outfile); | |||
3043 | } | |||
3044 | } | |||
3045 | fclose(infile); | |||
3046 | FPRINTF(outfile, "/* END OF INCLUDED FILE : %s */\n\n\n", name); | |||
3047 | } | |||
3048 | ||||
3049 | ||||
3050 | ||||
3051 | static char * | |||
3052 | str_read_string(char *str, char **name) | |||
3053 | { | |||
3054 | char tmpstr[BASE_BUFFER_SIZE256], *strptr; | |||
3055 | int skip_blanks; | |||
3056 | int quoted_string; | |||
3057 | ||||
3058 | strptr=tmpstr; | |||
3059 | skip_blanks=1; | |||
3060 | quoted_string=0; | |||
3061 | while(1){ | |||
3062 | if(!*str){ | |||
3063 | *strptr=0; | |||
3064 | *name=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
3065 | return str; | |||
3066 | } | |||
3067 | if(skip_blanks){ | |||
3068 | if( (*str==' ') || (*str=='\t') ){ | |||
3069 | str++; | |||
3070 | continue; | |||
3071 | } | |||
3072 | if( *str=='"' ){ | |||
3073 | str++; | |||
3074 | quoted_string=1; | |||
3075 | } | |||
3076 | skip_blanks=0; | |||
3077 | continue; | |||
3078 | } | |||
3079 | if( (*str==' ') || (*str=='\t') ){ | |||
3080 | if(quoted_string){ | |||
3081 | *strptr++ = *str++; | |||
3082 | continue; | |||
3083 | } | |||
3084 | *strptr=0; | |||
3085 | *name=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
3086 | return str; | |||
3087 | } | |||
3088 | if( (*str=='"') || (*str=='\n') ){ | |||
3089 | *strptr=0; | |||
3090 | *name=g_strdup(tmpstr)g_strdup_inline (tmpstr); | |||
3091 | return ++str; | |||
3092 | } | |||
3093 | *strptr++ = *str++; | |||
3094 | } | |||
3095 | return NULL((void*)0); | |||
3096 | } | |||
3097 | ||||
3098 | static void | |||
3099 | readcnffile(FILE *fh) | |||
3100 | { | |||
3101 | char cnfline[4 * BASE_BUFFER_SIZE256]; | |||
3102 | ||||
3103 | FPRINTF(NULL((void*)0), "Reading conformance file\n=======================\n"); | |||
3104 | while(!feof(fh)){ | |||
3105 | cnfline[0]=0; | |||
3106 | if(!fgets(cnfline, 4 * BASE_BUFFER_SIZE256, fh) || !cnfline[0]){ | |||
3107 | continue; | |||
3108 | } | |||
3109 | if(cnfline[0]=='#'){ | |||
3110 | /* ignore all comments */ | |||
3111 | } else if(!strncmp(cnfline, "NOEMIT", 6)){ | |||
3112 | no_emit_item_t *nei; | |||
3113 | char *str, *name; | |||
3114 | ||||
3115 | str=cnfline+6; | |||
3116 | str_read_string(str, &name); | |||
3117 | nei=g_new0(no_emit_item_t, 1)((no_emit_item_t *) g_malloc0_n ((1), sizeof (no_emit_item_t) )); | |||
3118 | if (!nei) { | |||
3119 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
3120 | exit(10); | |||
3121 | } | |||
3122 | nei->next=no_emit_list; | |||
3123 | no_emit_list=nei; | |||
3124 | nei->name=name; | |||
3125 | FPRINTF(NULL((void*)0), "NOEMIT : %s\n", nei->name); | |||
3126 | } else if(!strncmp(cnfline, "TYPE", 4)){ | |||
3127 | char *name, *dissectorname, *ft_type, *base_type; | |||
3128 | char *mask, *valsstring, *al; | |||
3129 | char *str; | |||
3130 | int alignment; | |||
3131 | ||||
3132 | str=cnfline+4; | |||
3133 | str=str_read_string(str, &name); | |||
3134 | str=str_read_string(str, &dissectorname); | |||
3135 | str=str_read_string(str, &ft_type); | |||
3136 | str=str_read_string(str, &base_type); | |||
3137 | str=str_read_string(str, &mask); | |||
3138 | str=str_read_string(str, &valsstring); | |||
3139 | str_read_string(str, &al); | |||
3140 | if (ws_strtoi32(al, NULL((void*)0), &alignment)) { | |||
3141 | FPRINTF(NULL((void*)0), "TYPE : X%s,%sX\n", name, dissectorname); | |||
3142 | register_new_type(name, dissectorname, ft_type, base_type, mask, valsstring, alignment); | |||
3143 | } | |||
3144 | } else if(!strncmp(cnfline, "PARAM_VALUE", 11)){ | |||
3145 | char *dissectorname, *value; | |||
3146 | char *str; | |||
3147 | ||||
3148 | str=cnfline+11; | |||
3149 | str=str_read_string(str, &dissectorname); | |||
3150 | str_read_string(str, &value); | |||
3151 | ||||
3152 | FPRINTF(NULL((void*)0), "PARAM_VALUE : %s=%s\n", dissectorname,value); | |||
3153 | register_dissector_param_value(dissectorname, value); | |||
3154 | } else if(!strncmp(cnfline, "HF_FIELD", 8)){ | |||
3155 | char *hf_index, *title, *filter_name, *ft_type; | |||
3156 | char *base_type, *valsstring, *mask, *blurb; | |||
3157 | char *str; | |||
3158 | ||||
3159 | str=cnfline+8; | |||
3160 | str=str_read_string(str, &hf_index); | |||
3161 | str=str_read_string(str, &title); | |||
3162 | str=str_read_string(str, &filter_name); | |||
3163 | str=str_read_string(str, &ft_type); | |||
3164 | str=str_read_string(str, &base_type); | |||
3165 | str=str_read_string(str, &valsstring); | |||
3166 | str=str_read_string(str, &mask); | |||
3167 | str_read_string(str, &blurb); | |||
3168 | FPRINTF(NULL((void*)0), "HF_FIELD: %s \"%s\"\n", hf_index, title); | |||
3169 | register_hf_field(hf_index, title, filter_name, ft_type, base_type, valsstring, mask, blurb); | |||
3170 | } else if(!strncmp(cnfline, "HF_RENAME", 9)){ | |||
3171 | char *old_name, *new_name; | |||
3172 | char *str; | |||
3173 | ||||
3174 | str=cnfline+9; | |||
3175 | str=str_read_string(str, &old_name); | |||
3176 | str_read_string(str, &new_name); | |||
3177 | FPRINTF(NULL((void*)0), "HF_RENAME: %s -> %s\n", old_name, new_name); | |||
3178 | register_hf_rename(old_name, new_name); | |||
3179 | } else if(!strncmp(cnfline, "UNION_TAG_SIZE", 14)){ | |||
3180 | char *union_name, *union_tag; | |||
3181 | int32_t union_tag_size; | |||
3182 | union_tag_size_item_t *utsi; | |||
3183 | char *str; | |||
3184 | ||||
3185 | str=cnfline+14; | |||
3186 | str=str_read_string(str, &union_name); | |||
3187 | str_read_string(str, &union_tag); | |||
3188 | if (!ws_strtoi32(union_tag, NULL((void*)0), &union_tag_size)) { | |||
3189 | FPRINTF(NULL((void*)0), "UNION_TAG_SIZE: invalid string: %s\n", union_tag); | |||
3190 | exit(10); | |||
3191 | } | |||
3192 | FPRINTF(NULL((void*)0), "UNION_TAG_SIZE: %s == %d\n", union_name, union_tag_size); | |||
3193 | utsi=g_new0(union_tag_size_item_t, 1)((union_tag_size_item_t *) g_malloc0_n ((1), sizeof (union_tag_size_item_t ))); | |||
3194 | if (!utsi) { | |||
3195 | FPRINTF(stderrstderr, "Can't allocate memory. Exit.\n"); | |||
3196 | exit(10); | |||
3197 | } | |||
3198 | utsi->next=union_tag_size_list; | |||
3199 | union_tag_size_list=utsi; | |||
3200 | utsi->name=g_strdup(union_name)g_strdup_inline (union_name); | |||
3201 | utsi->size=union_tag_size; | |||
3202 | } else if(!strncmp(cnfline, "STRIP_PREFIX", 12)){ | |||
3203 | char *prefix_name; | |||
3204 | char *str; | |||
3205 | ||||
3206 | str=cnfline+12; | |||
3207 | str_read_string(str, &prefix_name); | |||
3208 | FPRINTF(NULL((void*)0), "STRIP_PREFIX: %s\n", prefix_name); | |||
3209 | preparetrimprefix(prefix_name); | |||
3210 | } else { | |||
3211 | FPRINTF(stderrstderr, "ERROR: could not parse cnf directive:%s\n",cnfline); | |||
3212 | exit(10); | |||
3213 | } | |||
3214 | } | |||
3215 | } | |||
3216 | ||||
3217 | int main(int argc, const char *argv[]) | |||
3218 | { | |||
3219 | char idlfile[BASE_BUFFER_SIZE256]; | |||
3220 | char tmplfile[BASE_BUFFER_SIZE256]; | |||
3221 | char prefix_str[BASE_BUFFER_SIZE256]; | |||
3222 | bracket_item_t *bi; | |||
3223 | FILE *fh; | |||
3224 | ||||
3225 | if(argc!=2){ | |||
| ||||
3226 | usage(); | |||
3227 | exit(0); | |||
3228 | } | |||
3229 | ||||
3230 | eth_code=g_fopenfopen("ETH_CODE", "w"); | |||
3231 | eth_hdr=g_fopenfopen("ETH_HDR", "w"); | |||
3232 | eth_hfarr=g_fopenfopen("ETH_HFARR", "w"); | |||
3233 | eth_hf=g_fopenfopen("ETH_HF", "w"); | |||
3234 | eth_ettarr=g_fopenfopen("ETH_ETTARR", "w"); | |||
3235 | eth_ett=g_fopenfopen("ETH_ETT", "w"); | |||
3236 | eth_ft=g_fopenfopen("ETH_FT", "w"); | |||
3237 | eth_handoff=g_fopenfopen("ETH_HANDOFF", "w"); | |||
3238 | ||||
3239 | snprintf(idlfile, BASE_BUFFER_SIZE256, "%s.cnf", argv[1]); | |||
3240 | fh=g_fopenfopen(idlfile,"r"); | |||
3241 | if(fh){ | |||
3242 | readcnffile(fh); | |||
3243 | fclose(fh); | |||
3244 | } | |||
3245 | ||||
3246 | snprintf(idlfile, BASE_BUFFER_SIZE256, "%s.idl", argv[1]); | |||
3247 | fh=g_fopenfopen(idlfile,"r"); | |||
3248 | if(!fh){ | |||
3249 | FPRINTF(stderrstderr, "ERROR: could not open idl-file:%s\n", idlfile); | |||
3250 | Exit(0); | |||
3251 | } | |||
3252 | ||||
3253 | lineno=0; | |||
3254 | linepos=0; | |||
3255 | tokenize(fh); | |||
3256 | prune_keyword_parameters("size_is"); | |||
3257 | prune_keyword_parameters("length_is"); | |||
3258 | rename_tokens("NTSTATUS", "WERROR"); | |||
3259 | rename_tokens("unistr_noterm", "unistr"); | |||
3260 | rename_tokens("ascstr_noterm", "ascstr"); | |||
3261 | rename_tokens("hyper", "uint64"); | |||
3262 | FPRINTF(NULL((void*)0),"\n\nParsing header:\n================\n"); | |||
3263 | parseheader(); | |||
3264 | ||||
3265 | /* some idl files prepend a lot of symbols with <ifname>_ | |||
3266 | search through the tokenlist and g_remove all such | |||
3267 | prefixes | |||
3268 | */ | |||
3269 | snprintf(prefix_str, BASE_BUFFER_SIZE256, "%s_", ifname); | |||
3270 | preparetrimprefix(prefix_str); | |||
3271 | trimprefix(); | |||
3272 | ||||
3273 | /* this is the main loop, each iteration it tries to identify what | |||
3274 | kind of construct is the first entry in the token_list and call | |||
3275 | the appropriate handler | |||
3276 | */ | |||
3277 | while(1) { | |||
3278 | /* just skip any [ ] that starts a new construct */ | |||
3279 | if( !g_strcmp0(token_list->str, "[") ){ | |||
3280 | token_list=parsebrackets(token_list, &bi); | |||
3281 | continue; | |||
3282 | } | |||
3283 | ||||
3284 | /* typedef enum { */ | |||
3285 | if( !g_strcmp0(token_list->str,"typedef") | |||
3286 | &&!g_strcmp0(token_list->next->str,"enum") ){ | |||
3287 | parsetypedefenum(); | |||
3288 | continue; | |||
3289 | } | |||
3290 | ||||
3291 | /* typedef [ v1_enum ] enum { */ | |||
3292 | if( !g_strcmp0(token_list->str,"typedef") | |||
3293 | &&!g_strcmp0(token_list->next->str,"[") | |||
3294 | &&!g_strcmp0(token_list->next->next->str,"v1_enum") | |||
3295 | &&!g_strcmp0(token_list->next->next->next->str,"]") | |||
3296 | &&!g_strcmp0(token_list->next->next->next->next->str,"enum") ){ | |||
3297 | parsetypedefenum(); | |||
3298 | continue; | |||
3299 | } | |||
3300 | ||||
3301 | /* const */ | |||
3302 | if( !g_strcmp0(token_list->str,"const") ){ | |||
3303 | parseconst(); | |||
3304 | continue; | |||
3305 | } | |||
3306 | ||||
3307 | /* typedef struct { */ | |||
3308 | if( !g_strcmp0(token_list->str,"typedef") ){ | |||
3309 | token_item_t *tmpti; | |||
3310 | ||||
3311 | tmpti=token_list->next; | |||
3312 | if( !g_strcmp0(tmpti->str, "[") ){ | |||
3313 | tmpti=parsebrackets(tmpti, &bi); | |||
3314 | /* do some sanity checks here of bi->flags */ | |||
3315 | } | |||
3316 | if( !g_strcmp0(tmpti->str, "struct") ){ | |||
3317 | parsetypedefstruct(0); | |||
3318 | parsetypedefstruct(1); | |||
3319 | continue; | |||
3320 | } | |||
3321 | } | |||
3322 | ||||
3323 | /* typedef union { */ | |||
3324 | if( !g_strcmp0(token_list->str,"typedef") ){ | |||
3325 | token_item_t *tmpti; | |||
3326 | ||||
3327 | tmpti=token_list->next; | |||
3328 | if( !g_strcmp0(tmpti->str, "[") ){ | |||
3329 | tmpti=parsebrackets(tmpti, &bi); | |||
3330 | /* do some sanity checks here of bi->flags */ | |||
3331 | } | |||
3332 | if( !g_strcmp0(tmpti->str, "union") ){ | |||
3333 | parsetypedefunion(0); | |||
3334 | parsetypedefunion(1); | |||
3335 | continue; | |||
3336 | } | |||
3337 | } | |||
3338 | ||||
3339 | /* typedef bitmap { */ | |||
3340 | if( !g_strcmp0(token_list->str,"typedef") ){ | |||
3341 | token_item_t *tmpti; | |||
3342 | ||||
3343 | tmpti=token_list->next; | |||
3344 | if( !g_strcmp0(tmpti->str, "[") ){ | |||
3345 | tmpti=parsebrackets(tmpti, &bi); | |||
3346 | /* do some sanity checks here of bi->flags */ | |||
3347 | } | |||
3348 | if( !g_strcmp0(tmpti->str, "bitmap") ){ | |||
3349 | parsetypedefbitmap(0); | |||
3350 | parsetypedefbitmap(1); | |||
3351 | continue; | |||
3352 | } | |||
3353 | } | |||
3354 | ||||
3355 | /* functions: WERROR function '(' */ | |||
3356 | if( !g_strcmp0(token_list->str,"WERROR") | |||
3357 | &&!g_strcmp0(token_list->next->next->str,"(") ){ | |||
3358 | parsefunction(0); | |||
3359 | parsefunction(1); | |||
3360 | parsefunction(2); | |||
3361 | continue; | |||
3362 | } | |||
3363 | ||||
3364 | /* declare ... ; */ | |||
3365 | if( !g_strcmp0(token_list->str,"declare") ){ | |||
3366 | skipdeclare(); | |||
3367 | continue; | |||
3368 | } | |||
3369 | ||||
3370 | ||||
3371 | break; | |||
3372 | }; | |||
3373 | ||||
3374 | ||||
3375 | fclose(eth_code); | |||
3376 | fclose(eth_hdr); | |||
3377 | fclose(eth_hf); | |||
3378 | fclose(eth_hfarr); | |||
3379 | fclose(eth_ett); | |||
3380 | fclose(eth_ettarr); | |||
3381 | fclose(eth_ft); | |||
3382 | fclose(eth_handoff); | |||
3383 | ||||
3384 | /* unless the token_list now only contains a single token : '}' | |||
3385 | we have failed to compile the idl file properly | |||
3386 | */ | |||
3387 | if( g_strcmp0(token_list->str, "}") || token_list->next){ | |||
3388 | FPRINTF(stderrstderr, "ERROR: we did not process all tokens. Compiler is incomplete.\n===========================================\n"); | |||
3389 | printtokenlist(10); | |||
3390 | exit(10); | |||
3391 | } | |||
3392 | ||||
3393 | check_hf_rename_refcount(); | |||
3394 | ||||
3395 | /* merge code and template into dissector */ | |||
3396 | snprintf(line, 4 * BASE_BUFFER_SIZE256, "packet-dcerpc-%s.c", ifname); | |||
3397 | fh=g_fopenfopen(line, "w"); | |||
3398 | snprintf(tmplfile, BASE_BUFFER_SIZE256, "packet-dcerpc-%s-template.c", argv[1]); | |||
3399 | tfh=g_fopenfopen(tmplfile, "r"); | |||
3400 | if(!tfh){ | |||
3401 | FPRINTF(stderrstderr, "ERROR: could not find %s\n", tmplfile); | |||
3402 | exit(10); | |||
3403 | } | |||
3404 | while(!feof(tfh)){ | |||
3405 | line[0]=0; | |||
3406 | if(!fgets(line, 4 * BASE_BUFFER_SIZE256, tfh) || !line[0]){ | |||
3407 | continue; | |||
3408 | } | |||
3409 | if(!strncmp(line, "ETH_CODE", 8)){ | |||
3410 | mergefile("ETH_CODE",fh); | |||
3411 | } else if(!strncmp(line, "ETH_HDR", 7)){ | |||
3412 | mergefile("ETH_HDR",fh); | |||
3413 | } else if(!strncmp(line, "ETH_HFARR", 9)){ | |||
3414 | mergefile("ETH_HFARR",fh); | |||
3415 | } else if(!strncmp(line, "ETH_HF", 6)){ | |||
3416 | mergefile("ETH_HF",fh); | |||
3417 | } else if(!strncmp(line, "ETH_ETTARR", 10)){ | |||
3418 | mergefile("ETH_ETTARR",fh); | |||
3419 | } else if(!strncmp(line, "ETH_ETT", 7)){ | |||
3420 | mergefile("ETH_ETT",fh); | |||
3421 | } else if(!strncmp(line, "ETH_FT", 6)){ | |||
3422 | mergefile("ETH_FT",fh); | |||
3423 | } else if(!strncmp(line, "ETH_HANDOFF", 11)){ | |||
3424 | mergefile("ETH_HANDOFF",fh); | |||
3425 | } else { | |||
3426 | fputs(line, fh); | |||
3427 | } | |||
3428 | } | |||
3429 | fclose(fh); | |||
3430 | fclose(tfh); | |||
3431 | ||||
3432 | snprintf(line, 4 * BASE_BUFFER_SIZE256, "packet-dcerpc-%s.h", ifname); | |||
3433 | fh=g_fopenfopen(line, "w"); | |||
3434 | snprintf(tmplfile, BASE_BUFFER_SIZE256, "packet-dcerpc-%s-template.h", argv[1]); | |||
3435 | tfh=g_fopenfopen(tmplfile, "r"); | |||
3436 | if(!tfh){ | |||
3437 | FPRINTF(stderrstderr, "ERROR: could not find %s\n", tmplfile); | |||
3438 | exit(10); | |||
3439 | } | |||
3440 | while(!feof(tfh)){ | |||
3441 | line[0]=0; | |||
3442 | if(!fgets(line, 4 * BASE_BUFFER_SIZE256, tfh) || !line[0]){ | |||
3443 | continue; | |||
3444 | } | |||
3445 | if(!strncmp(line, "ETH_CODE", 8)){ | |||
3446 | mergefile("ETH_CODE",fh); | |||
3447 | } else if(!strncmp(line, "ETH_HDR", 7)){ | |||
3448 | mergefile("ETH_HDR",fh); | |||
3449 | } else if(!strncmp(line, "ETH_HFARR", 9)){ | |||
3450 | mergefile("ETH_HFARR",fh); | |||
3451 | } else if(!strncmp(line, "ETH_HF", 6)){ | |||
3452 | mergefile("ETH_HF",fh); | |||
3453 | } else if(!strncmp(line, "ETH_ETTARR", 10)){ | |||
3454 | mergefile("ETH_ETTARR",fh); | |||
3455 | } else if(!strncmp(line, "ETH_ETT", 7)){ | |||
3456 | mergefile("ETH_ETT",fh); | |||
3457 | } else if(!strncmp(line, "ETH_FT", 6)){ | |||
3458 | mergefile("ETH_FT",fh); | |||
3459 | } else if(!strncmp(line, "ETH_HANDOFF", 11)){ | |||
3460 | mergefile("ETH_HANDOFF",fh); | |||
3461 | } else { | |||
3462 | fputs(line, fh); | |||
3463 | } | |||
3464 | } | |||
3465 | ||||
3466 | g_print("%s was successfully compiled\n", ifname); | |||
3467 | ||||
3468 | fclose(fh); | |||
3469 | fclose(tfh); | |||
3470 | ||||
3471 | if (g_removeremove("ETH_CODE") == -1) { | |||
3472 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3473 | } | |||
3474 | if (g_removeremove("ETH_HDR") == -1) { | |||
3475 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3476 | } | |||
3477 | if (g_removeremove("ETH_HFARR") == -1) { | |||
3478 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3479 | } | |||
3480 | if (g_removeremove("ETH_HF") == -1) { | |||
3481 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3482 | } | |||
3483 | if (g_removeremove("ETH_ETTARR") == -1) { | |||
3484 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3485 | } | |||
3486 | if (g_removeremove("ETH_ETT") == -1) { | |||
3487 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3488 | } | |||
3489 | if (g_removeremove("ETH_FT") == -1) { | |||
3490 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3491 | } | |||
3492 | if (g_removeremove("ETH_HANDOFF") == -1) { | |||
3493 | FPRINTF(stderrstderr, "Can't remove ETH_CODE"); | |||
3494 | } | |||
3495 | ||||
3496 | ||||
3497 | return 0; | |||
3498 | } | |||
3499 | ||||
3500 | /* | |||
3501 | * Editor modelines - https://www.wireshark.org/tools/modelines.html | |||
3502 | * | |||
3503 | * Local variables: | |||
3504 | * c-basic-offset: 8 | |||
3505 | * tab-width: 8 | |||
3506 | * indent-tabs-mode: t | |||
3507 | * End: | |||
3508 | * | |||
3509 | * vi: set shiftwidth=8 tabstop=8 noexpandtab: | |||
3510 | * :indentSize=8:tabSize=8:noTabs=false: | |||
3511 | */ |