diff options
Diffstat (limited to 'src/lib/libcrypto/mem_dbg.c')
-rw-r--r-- | src/lib/libcrypto/mem_dbg.c | 756 |
1 files changed, 0 insertions, 756 deletions
diff --git a/src/lib/libcrypto/mem_dbg.c b/src/lib/libcrypto/mem_dbg.c deleted file mode 100644 index ef19d8f844..0000000000 --- a/src/lib/libcrypto/mem_dbg.c +++ /dev/null | |||
@@ -1,756 +0,0 @@ | |||
1 | /* crypto/mem_dbg.c */ | ||
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This package is an SSL implementation written | ||
6 | * by Eric Young (eay@cryptsoft.com). | ||
7 | * The implementation was written so as to conform with Netscapes SSL. | ||
8 | * | ||
9 | * This library is free for commercial and non-commercial use as long as | ||
10 | * the following conditions are aheared to. The following conditions | ||
11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
13 | * included with this distribution is covered by the same copyright terms | ||
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
15 | * | ||
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
17 | * the code are not to be removed. | ||
18 | * If this package is used in a product, Eric Young should be given attribution | ||
19 | * as the author of the parts of the library used. | ||
20 | * This can be in the form of a textual message at program startup or | ||
21 | * in documentation (online or textual) provided with the package. | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
26 | * 1. Redistributions of source code must retain the copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
29 | * notice, this list of conditions and the following disclaimer in the | ||
30 | * documentation and/or other materials provided with the distribution. | ||
31 | * 3. All advertising materials mentioning features or use of this software | ||
32 | * must display the following acknowledgement: | ||
33 | * "This product includes cryptographic software written by | ||
34 | * Eric Young (eay@cryptsoft.com)" | ||
35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
36 | * being used are not cryptographic related :-). | ||
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
38 | * the apps directory (application code) you must include an acknowledgement: | ||
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
51 | * SUCH DAMAGE. | ||
52 | * | ||
53 | * The licence and distribution terms for any publically available version or | ||
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
55 | * copied and put under another distribution licence | ||
56 | * [including the GNU Public Licence.] | ||
57 | */ | ||
58 | |||
59 | #include <stdio.h> | ||
60 | #include <stdlib.h> | ||
61 | #include <time.h> | ||
62 | #include <openssl/crypto.h> | ||
63 | #include <openssl/buffer.h> | ||
64 | #include <openssl/bio.h> | ||
65 | #include <openssl/lhash.h> | ||
66 | #include "cryptlib.h" | ||
67 | |||
68 | static int mh_mode=CRYPTO_MEM_CHECK_OFF; | ||
69 | /* The state changes to CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE | ||
70 | * when the application asks for it (usually after library initialisation | ||
71 | * for which no book-keeping is desired). | ||
72 | * | ||
73 | * State CRYPTO_MEM_CHECK_ON exists only temporarily when the library | ||
74 | * thinks that certain allocations should not be checked (e.g. the data | ||
75 | * structures used for memory checking). It is not suitable as an initial | ||
76 | * state: the library will unexpectedly enable memory checking when it | ||
77 | * executes one of those sections that want to disable checking | ||
78 | * temporarily. | ||
79 | * | ||
80 | * State CRYPTO_MEM_CHECK_ENABLE without ..._ON makes no sense whatsoever. | ||
81 | */ | ||
82 | |||
83 | static unsigned long order = 0; /* number of memory requests */ | ||
84 | static LHASH *mh=NULL; /* hash-table of memory requests (address as key); | ||
85 | * access requires MALLOC2 lock */ | ||
86 | |||
87 | |||
88 | typedef struct app_mem_info_st | ||
89 | /* For application-defined information (static C-string `info') | ||
90 | * to be displayed in memory leak list. | ||
91 | * Each thread has its own stack. For applications, there is | ||
92 | * CRYPTO_push_info("...") to push an entry, | ||
93 | * CRYPTO_pop_info() to pop an entry, | ||
94 | * CRYPTO_remove_all_info() to pop all entries. | ||
95 | */ | ||
96 | { | ||
97 | unsigned long thread; | ||
98 | const char *file; | ||
99 | int line; | ||
100 | const char *info; | ||
101 | struct app_mem_info_st *next; /* tail of thread's stack */ | ||
102 | int references; | ||
103 | } APP_INFO; | ||
104 | |||
105 | static LHASH *amih=NULL; /* hash-table with those app_mem_info_st's | ||
106 | * that are at the top of their thread's stack | ||
107 | * (with `thread' as key); | ||
108 | * access requires MALLOC2 lock */ | ||
109 | |||
110 | typedef struct mem_st | ||
111 | /* memory-block description */ | ||
112 | { | ||
113 | void *addr; | ||
114 | int num; | ||
115 | const char *file; | ||
116 | int line; | ||
117 | unsigned long thread; | ||
118 | unsigned long order; | ||
119 | time_t time; | ||
120 | APP_INFO *app_info; | ||
121 | } MEM; | ||
122 | |||
123 | static long options = /* extra information to be recorded */ | ||
124 | #if defined(CRYPTO_MDEBUG_TIME) || defined(CRYPTO_MDEBUG_ALL) | ||
125 | V_CRYPTO_MDEBUG_TIME | | ||
126 | #endif | ||
127 | #if defined(CRYPTO_MDEBUG_THREAD) || defined(CRYPTO_MDEBUG_ALL) | ||
128 | V_CRYPTO_MDEBUG_THREAD | | ||
129 | #endif | ||
130 | 0; | ||
131 | |||
132 | |||
133 | static unsigned int num_disable = 0; /* num_disable > 0 | ||
134 | * iff | ||
135 | * mh_mode == CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE) | ||
136 | */ | ||
137 | static unsigned long disabling_thread = 0; /* Valid iff num_disable > 0. | ||
138 | * CRYPTO_LOCK_MALLOC2 is locked | ||
139 | * exactly in this case (by the | ||
140 | * thread named in disabling_thread). | ||
141 | */ | ||
142 | |||
143 | int CRYPTO_mem_ctrl(int mode) | ||
144 | { | ||
145 | int ret=mh_mode; | ||
146 | |||
147 | CRYPTO_w_lock(CRYPTO_LOCK_MALLOC); | ||
148 | switch (mode) | ||
149 | { | ||
150 | /* for applications (not to be called while multiple threads | ||
151 | * use the library): */ | ||
152 | case CRYPTO_MEM_CHECK_ON: /* aka MemCheck_start() */ | ||
153 | mh_mode = CRYPTO_MEM_CHECK_ON|CRYPTO_MEM_CHECK_ENABLE; | ||
154 | num_disable = 0; | ||
155 | break; | ||
156 | case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */ | ||
157 | mh_mode = 0; | ||
158 | num_disable = 0; /* should be true *before* MemCheck_stop is used, | ||
159 | or there'll be a lot of confusion */ | ||
160 | break; | ||
161 | |||
162 | /* switch off temporarily (for library-internal use): */ | ||
163 | case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */ | ||
164 | if (mh_mode & CRYPTO_MEM_CHECK_ON) | ||
165 | { | ||
166 | if (!num_disable || (disabling_thread != CRYPTO_thread_id())) /* otherwise we already have the MALLOC2 lock */ | ||
167 | { | ||
168 | /* Long-time lock CRYPTO_LOCK_MALLOC2 must not be claimed while | ||
169 | * we're holding CRYPTO_LOCK_MALLOC, or we'll deadlock if | ||
170 | * somebody else holds CRYPTO_LOCK_MALLOC2 (and cannot release | ||
171 | * it because we block entry to this function). | ||
172 | * Give them a chance, first, and then claim the locks in | ||
173 | * appropriate order (long-time lock first). | ||
174 | */ | ||
175 | CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC); | ||
176 | /* Note that after we have waited for CRYPTO_LOCK_MALLOC2 | ||
177 | * and CRYPTO_LOCK_MALLOC, we'll still be in the right | ||
178 | * "case" and "if" branch because MemCheck_start and | ||
179 | * MemCheck_stop may never be used while there are multiple | ||
180 | * OpenSSL threads. */ | ||
181 | CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2); | ||
182 | CRYPTO_w_lock(CRYPTO_LOCK_MALLOC); | ||
183 | mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE; | ||
184 | disabling_thread=CRYPTO_thread_id(); | ||
185 | } | ||
186 | num_disable++; | ||
187 | } | ||
188 | break; | ||
189 | case CRYPTO_MEM_CHECK_ENABLE: /* aka MemCheck_on() */ | ||
190 | if (mh_mode & CRYPTO_MEM_CHECK_ON) | ||
191 | { | ||
192 | if (num_disable) /* always true, or something is going wrong */ | ||
193 | { | ||
194 | num_disable--; | ||
195 | if (num_disable == 0) | ||
196 | { | ||
197 | mh_mode|=CRYPTO_MEM_CHECK_ENABLE; | ||
198 | CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2); | ||
199 | } | ||
200 | } | ||
201 | } | ||
202 | break; | ||
203 | |||
204 | default: | ||
205 | break; | ||
206 | } | ||
207 | CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC); | ||
208 | return(ret); | ||
209 | } | ||
210 | |||
211 | int CRYPTO_is_mem_check_on(void) | ||
212 | { | ||
213 | int ret = 0; | ||
214 | |||
215 | if (mh_mode & CRYPTO_MEM_CHECK_ON) | ||
216 | { | ||
217 | CRYPTO_r_lock(CRYPTO_LOCK_MALLOC); | ||
218 | |||
219 | ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE) | ||
220 | || (disabling_thread != CRYPTO_thread_id()); | ||
221 | |||
222 | CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC); | ||
223 | } | ||
224 | return(ret); | ||
225 | } | ||
226 | |||
227 | |||
228 | void CRYPTO_dbg_set_options(long bits) | ||
229 | { | ||
230 | options = bits; | ||
231 | } | ||
232 | |||
233 | long CRYPTO_dbg_get_options(void) | ||
234 | { | ||
235 | return options; | ||
236 | } | ||
237 | |||
238 | static int mem_cmp(MEM *a, MEM *b) | ||
239 | { | ||
240 | return((char *)a->addr - (char *)b->addr); | ||
241 | } | ||
242 | |||
243 | static unsigned long mem_hash(MEM *a) | ||
244 | { | ||
245 | unsigned long ret; | ||
246 | |||
247 | ret=(unsigned long)a->addr; | ||
248 | |||
249 | ret=ret*17851+(ret>>14)*7+(ret>>4)*251; | ||
250 | return(ret); | ||
251 | } | ||
252 | |||
253 | static int app_info_cmp(APP_INFO *a, APP_INFO *b) | ||
254 | { | ||
255 | return(a->thread != b->thread); | ||
256 | } | ||
257 | |||
258 | static unsigned long app_info_hash(APP_INFO *a) | ||
259 | { | ||
260 | unsigned long ret; | ||
261 | |||
262 | ret=(unsigned long)a->thread; | ||
263 | |||
264 | ret=ret*17851+(ret>>14)*7+(ret>>4)*251; | ||
265 | return(ret); | ||
266 | } | ||
267 | |||
268 | static APP_INFO *pop_info() | ||
269 | { | ||
270 | APP_INFO tmp; | ||
271 | APP_INFO *ret = NULL; | ||
272 | |||
273 | if (amih != NULL) | ||
274 | { | ||
275 | tmp.thread=CRYPTO_thread_id(); | ||
276 | if ((ret=(APP_INFO *)lh_delete(amih,&tmp)) != NULL) | ||
277 | { | ||
278 | APP_INFO *next=ret->next; | ||
279 | |||
280 | if (next != NULL) | ||
281 | { | ||
282 | next->references++; | ||
283 | lh_insert(amih,(char *)next); | ||
284 | } | ||
285 | #ifdef LEVITTE_DEBUG | ||
286 | if (ret->thread != tmp.thread) | ||
287 | { | ||
288 | fprintf(stderr, "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n", | ||
289 | ret->thread, tmp.thread); | ||
290 | abort(); | ||
291 | } | ||
292 | #endif | ||
293 | if (--(ret->references) <= 0) | ||
294 | { | ||
295 | ret->next = NULL; | ||
296 | if (next != NULL) | ||
297 | next->references--; | ||
298 | OPENSSL_free(ret); | ||
299 | } | ||
300 | } | ||
301 | } | ||
302 | return(ret); | ||
303 | } | ||
304 | |||
305 | int CRYPTO_push_info_(const char *info, const char *file, int line) | ||
306 | { | ||
307 | APP_INFO *ami, *amim; | ||
308 | int ret=0; | ||
309 | |||
310 | if (is_MemCheck_on()) | ||
311 | { | ||
312 | MemCheck_off(); /* obtain MALLOC2 lock */ | ||
313 | |||
314 | if ((ami = (APP_INFO *)OPENSSL_malloc(sizeof(APP_INFO))) == NULL) | ||
315 | { | ||
316 | ret=0; | ||
317 | goto err; | ||
318 | } | ||
319 | if (amih == NULL) | ||
320 | { | ||
321 | if ((amih=lh_new(app_info_hash,app_info_cmp)) == NULL) | ||
322 | { | ||
323 | OPENSSL_free(ami); | ||
324 | ret=0; | ||
325 | goto err; | ||
326 | } | ||
327 | } | ||
328 | |||
329 | ami->thread=CRYPTO_thread_id(); | ||
330 | ami->file=file; | ||
331 | ami->line=line; | ||
332 | ami->info=info; | ||
333 | ami->references=1; | ||
334 | ami->next=NULL; | ||
335 | |||
336 | if ((amim=(APP_INFO *)lh_insert(amih,(char *)ami)) != NULL) | ||
337 | { | ||
338 | #ifdef LEVITTE_DEBUG | ||
339 | if (ami->thread != amim->thread) | ||
340 | { | ||
341 | fprintf(stderr, "CRYPTO_push_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n", | ||
342 | amim->thread, ami->thread); | ||
343 | abort(); | ||
344 | } | ||
345 | #endif | ||
346 | ami->next=amim; | ||
347 | } | ||
348 | err: | ||
349 | MemCheck_on(); /* release MALLOC2 lock */ | ||
350 | } | ||
351 | |||
352 | return(ret); | ||
353 | } | ||
354 | |||
355 | int CRYPTO_pop_info(void) | ||
356 | { | ||
357 | int ret=0; | ||
358 | |||
359 | if (is_MemCheck_on()) /* _must_ be true, or something went severely wrong */ | ||
360 | { | ||
361 | MemCheck_off(); /* obtain MALLOC2 lock */ | ||
362 | |||
363 | ret=(pop_info() != NULL); | ||
364 | |||
365 | MemCheck_on(); /* release MALLOC2 lock */ | ||
366 | } | ||
367 | return(ret); | ||
368 | } | ||
369 | |||
370 | int CRYPTO_remove_all_info(void) | ||
371 | { | ||
372 | int ret=0; | ||
373 | |||
374 | if (is_MemCheck_on()) /* _must_ be true */ | ||
375 | { | ||
376 | MemCheck_off(); /* obtain MALLOC2 lock */ | ||
377 | |||
378 | while(pop_info() != NULL) | ||
379 | ret++; | ||
380 | |||
381 | MemCheck_on(); /* release MALLOC2 lock */ | ||
382 | } | ||
383 | return(ret); | ||
384 | } | ||
385 | |||
386 | |||
387 | static unsigned long break_order_num=0; | ||
388 | void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, | ||
389 | int before_p) | ||
390 | { | ||
391 | MEM *m,*mm; | ||
392 | APP_INFO tmp,*amim; | ||
393 | |||
394 | switch(before_p & 127) | ||
395 | { | ||
396 | case 0: | ||
397 | break; | ||
398 | case 1: | ||
399 | if (addr == NULL) | ||
400 | break; | ||
401 | |||
402 | if (is_MemCheck_on()) | ||
403 | { | ||
404 | MemCheck_off(); /* make sure we hold MALLOC2 lock */ | ||
405 | if ((m=(MEM *)OPENSSL_malloc(sizeof(MEM))) == NULL) | ||
406 | { | ||
407 | OPENSSL_free(addr); | ||
408 | MemCheck_on(); /* release MALLOC2 lock | ||
409 | * if num_disabled drops to 0 */ | ||
410 | return; | ||
411 | } | ||
412 | if (mh == NULL) | ||
413 | { | ||
414 | if ((mh=lh_new(mem_hash,mem_cmp)) == NULL) | ||
415 | { | ||
416 | OPENSSL_free(addr); | ||
417 | OPENSSL_free(m); | ||
418 | addr=NULL; | ||
419 | goto err; | ||
420 | } | ||
421 | } | ||
422 | |||
423 | m->addr=addr; | ||
424 | m->file=file; | ||
425 | m->line=line; | ||
426 | m->num=num; | ||
427 | if (options & V_CRYPTO_MDEBUG_THREAD) | ||
428 | m->thread=CRYPTO_thread_id(); | ||
429 | else | ||
430 | m->thread=0; | ||
431 | |||
432 | if (order == break_order_num) | ||
433 | { | ||
434 | /* BREAK HERE */ | ||
435 | m->order=order; | ||
436 | } | ||
437 | m->order=order++; | ||
438 | #ifdef LEVITTE_DEBUG | ||
439 | fprintf(stderr, "LEVITTE_DEBUG: [%5d] %c 0x%p (%d)\n", | ||
440 | m->order, | ||
441 | (before_p & 128) ? '*' : '+', | ||
442 | m->addr, m->num); | ||
443 | #endif | ||
444 | if (options & V_CRYPTO_MDEBUG_TIME) | ||
445 | m->time=time(NULL); | ||
446 | else | ||
447 | m->time=0; | ||
448 | |||
449 | tmp.thread=CRYPTO_thread_id(); | ||
450 | m->app_info=NULL; | ||
451 | if (amih != NULL | ||
452 | && (amim=(APP_INFO *)lh_retrieve(amih,(char *)&tmp)) != NULL) | ||
453 | { | ||
454 | m->app_info = amim; | ||
455 | amim->references++; | ||
456 | } | ||
457 | |||
458 | if ((mm=(MEM *)lh_insert(mh,(char *)m)) != NULL) | ||
459 | { | ||
460 | /* Not good, but don't sweat it */ | ||
461 | if (mm->app_info != NULL) | ||
462 | { | ||
463 | mm->app_info->references--; | ||
464 | } | ||
465 | OPENSSL_free(mm); | ||
466 | } | ||
467 | err: | ||
468 | MemCheck_on(); /* release MALLOC2 lock | ||
469 | * if num_disabled drops to 0 */ | ||
470 | } | ||
471 | break; | ||
472 | } | ||
473 | return; | ||
474 | } | ||
475 | |||
476 | void CRYPTO_dbg_free(void *addr, int before_p) | ||
477 | { | ||
478 | MEM m,*mp; | ||
479 | |||
480 | switch(before_p) | ||
481 | { | ||
482 | case 0: | ||
483 | if (addr == NULL) | ||
484 | break; | ||
485 | |||
486 | if (is_MemCheck_on() && (mh != NULL)) | ||
487 | { | ||
488 | MemCheck_off(); /* make sure we hold MALLOC2 lock */ | ||
489 | |||
490 | m.addr=addr; | ||
491 | mp=(MEM *)lh_delete(mh,(char *)&m); | ||
492 | if (mp != NULL) | ||
493 | { | ||
494 | #ifdef LEVITTE_DEBUG | ||
495 | fprintf(stderr, "LEVITTE_DEBUG: [%5d] - 0x%p (%d)\n", | ||
496 | mp->order, mp->addr, mp->num); | ||
497 | #endif | ||
498 | if (mp->app_info != NULL) | ||
499 | { | ||
500 | mp->app_info->references--; | ||
501 | } | ||
502 | OPENSSL_free(mp); | ||
503 | } | ||
504 | |||
505 | MemCheck_on(); /* release MALLOC2 lock | ||
506 | * if num_disabled drops to 0 */ | ||
507 | } | ||
508 | break; | ||
509 | case 1: | ||
510 | break; | ||
511 | } | ||
512 | } | ||
513 | |||
514 | void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, | ||
515 | const char *file, int line, int before_p) | ||
516 | { | ||
517 | MEM m,*mp; | ||
518 | |||
519 | #ifdef LEVITTE_DEBUG | ||
520 | fprintf(stderr, "LEVITTE_DEBUG: --> CRYPTO_dbg_malloc(addr1 = %p, addr2 = %p, num = %d, file = \"%s\", line = %d, before_p = %d)\n", | ||
521 | addr1, addr2, num, file, line, before_p); | ||
522 | #endif | ||
523 | |||
524 | switch(before_p) | ||
525 | { | ||
526 | case 0: | ||
527 | break; | ||
528 | case 1: | ||
529 | if (addr2 == NULL) | ||
530 | break; | ||
531 | |||
532 | if (addr1 == NULL) | ||
533 | { | ||
534 | CRYPTO_dbg_malloc(addr2, num, file, line, 128 | before_p); | ||
535 | break; | ||
536 | } | ||
537 | |||
538 | if (is_MemCheck_on()) | ||
539 | { | ||
540 | MemCheck_off(); /* make sure we hold MALLOC2 lock */ | ||
541 | |||
542 | m.addr=addr1; | ||
543 | mp=(MEM *)lh_delete(mh,(char *)&m); | ||
544 | if (mp != NULL) | ||
545 | { | ||
546 | #ifdef LEVITTE_DEBUG | ||
547 | fprintf(stderr, "LEVITTE_DEBUG: [%5d] * 0x%p (%d) -> 0x%p (%d)\n", | ||
548 | mp->order, | ||
549 | mp->addr, mp->num, | ||
550 | addr2, num); | ||
551 | #endif | ||
552 | mp->addr=addr2; | ||
553 | mp->num=num; | ||
554 | lh_insert(mh,(char *)mp); | ||
555 | } | ||
556 | |||
557 | MemCheck_on(); /* release MALLOC2 lock | ||
558 | * if num_disabled drops to 0 */ | ||
559 | } | ||
560 | break; | ||
561 | } | ||
562 | return; | ||
563 | } | ||
564 | |||
565 | |||
566 | typedef struct mem_leak_st | ||
567 | { | ||
568 | BIO *bio; | ||
569 | int chunks; | ||
570 | long bytes; | ||
571 | } MEM_LEAK; | ||
572 | |||
573 | static void print_leak(MEM *m, MEM_LEAK *l) | ||
574 | { | ||
575 | char buf[1024]; | ||
576 | char *bufp = buf; | ||
577 | APP_INFO *amip; | ||
578 | int ami_cnt; | ||
579 | struct tm *lcl = NULL; | ||
580 | unsigned long ti; | ||
581 | |||
582 | if(m->addr == (char *)l->bio) | ||
583 | return; | ||
584 | |||
585 | if (options & V_CRYPTO_MDEBUG_TIME) | ||
586 | { | ||
587 | lcl = localtime(&m->time); | ||
588 | |||
589 | sprintf(bufp, "[%02d:%02d:%02d] ", | ||
590 | lcl->tm_hour,lcl->tm_min,lcl->tm_sec); | ||
591 | bufp += strlen(bufp); | ||
592 | } | ||
593 | |||
594 | sprintf(bufp, "%5lu file=%s, line=%d, ", | ||
595 | m->order,m->file,m->line); | ||
596 | bufp += strlen(bufp); | ||
597 | |||
598 | if (options & V_CRYPTO_MDEBUG_THREAD) | ||
599 | { | ||
600 | sprintf(bufp, "thread=%lu, ", m->thread); | ||
601 | bufp += strlen(bufp); | ||
602 | } | ||
603 | |||
604 | sprintf(bufp, "number=%d, address=%08lX\n", | ||
605 | m->num,(unsigned long)m->addr); | ||
606 | bufp += strlen(bufp); | ||
607 | |||
608 | BIO_puts(l->bio,buf); | ||
609 | |||
610 | l->chunks++; | ||
611 | l->bytes+=m->num; | ||
612 | |||
613 | amip=m->app_info; | ||
614 | ami_cnt=0; | ||
615 | if (!amip) | ||
616 | return; | ||
617 | ti=amip->thread; | ||
618 | |||
619 | do | ||
620 | { | ||
621 | int buf_len; | ||
622 | int info_len; | ||
623 | |||
624 | ami_cnt++; | ||
625 | memset(buf,'>',ami_cnt); | ||
626 | sprintf(buf + ami_cnt, | ||
627 | " thread=%lu, file=%s, line=%d, info=\"", | ||
628 | amip->thread, amip->file, amip->line); | ||
629 | buf_len=strlen(buf); | ||
630 | info_len=strlen(amip->info); | ||
631 | if (128 - buf_len - 3 < info_len) | ||
632 | { | ||
633 | memcpy(buf + buf_len, amip->info, 128 - buf_len - 3); | ||
634 | buf_len = 128 - 3; | ||
635 | } | ||
636 | else | ||
637 | { | ||
638 | strcpy(buf + buf_len, amip->info); | ||
639 | buf_len = strlen(buf); | ||
640 | } | ||
641 | sprintf(buf + buf_len, "\"\n"); | ||
642 | |||
643 | BIO_puts(l->bio,buf); | ||
644 | |||
645 | amip = amip->next; | ||
646 | } | ||
647 | while(amip && amip->thread == ti); | ||
648 | |||
649 | #ifdef LEVITTE_DEBUG | ||
650 | if (amip) | ||
651 | { | ||
652 | fprintf(stderr, "Thread switch detected in backtrace!!!!\n"); | ||
653 | abort(); | ||
654 | } | ||
655 | #endif | ||
656 | } | ||
657 | |||
658 | void CRYPTO_mem_leaks(BIO *b) | ||
659 | { | ||
660 | MEM_LEAK ml; | ||
661 | char buf[80]; | ||
662 | |||
663 | if (mh == NULL && amih == NULL) | ||
664 | return; | ||
665 | |||
666 | MemCheck_off(); /* obtain MALLOC2 lock */ | ||
667 | |||
668 | ml.bio=b; | ||
669 | ml.bytes=0; | ||
670 | ml.chunks=0; | ||
671 | if (mh != NULL) | ||
672 | lh_doall_arg(mh,(void (*)())print_leak,(char *)&ml); | ||
673 | if (ml.chunks != 0) | ||
674 | { | ||
675 | sprintf(buf,"%ld bytes leaked in %d chunks\n", | ||
676 | ml.bytes,ml.chunks); | ||
677 | BIO_puts(b,buf); | ||
678 | } | ||
679 | else | ||
680 | { | ||
681 | /* Make sure that, if we found no leaks, memory-leak debugging itself | ||
682 | * does not introduce memory leaks (which might irritate | ||
683 | * external debugging tools). | ||
684 | * (When someone enables leak checking, but does not call | ||
685 | * this function, we declare it to be their fault.) | ||
686 | * | ||
687 | * XXX This should be in CRYPTO_mem_leaks_cb, | ||
688 | * and CRYPTO_mem_leaks should be implemented by | ||
689 | * using CRYPTO_mem_leaks_cb. | ||
690 | * (Also their should be a variant of lh_doall_arg | ||
691 | * that takes a function pointer instead of a void *; | ||
692 | * this would obviate the ugly and illegal | ||
693 | * void_fn_to_char kludge in CRYPTO_mem_leaks_cb. | ||
694 | * Otherwise the code police will come and get us.) | ||
695 | */ | ||
696 | int old_mh_mode; | ||
697 | |||
698 | CRYPTO_w_lock(CRYPTO_LOCK_MALLOC); | ||
699 | |||
700 | /* avoid deadlock when lh_free() uses CRYPTO_dbg_free(), | ||
701 | * which uses CRYPTO_is_mem_check_on */ | ||
702 | old_mh_mode = mh_mode; | ||
703 | mh_mode = CRYPTO_MEM_CHECK_OFF; | ||
704 | |||
705 | if (mh != NULL) | ||
706 | { | ||
707 | lh_free(mh); | ||
708 | mh = NULL; | ||
709 | } | ||
710 | if (amih != NULL) | ||
711 | { | ||
712 | if (lh_num_items(amih) == 0) | ||
713 | { | ||
714 | lh_free(amih); | ||
715 | amih = NULL; | ||
716 | } | ||
717 | } | ||
718 | |||
719 | mh_mode = old_mh_mode; | ||
720 | CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC); | ||
721 | } | ||
722 | MemCheck_on(); /* release MALLOC2 lock */ | ||
723 | } | ||
724 | |||
725 | #ifndef NO_FP_API | ||
726 | void CRYPTO_mem_leaks_fp(FILE *fp) | ||
727 | { | ||
728 | BIO *b; | ||
729 | |||
730 | if (mh == NULL) return; | ||
731 | if ((b=BIO_new(BIO_s_file())) == NULL) | ||
732 | return; | ||
733 | BIO_set_fp(b,fp,BIO_NOCLOSE); | ||
734 | CRYPTO_mem_leaks(b); | ||
735 | BIO_free(b); | ||
736 | } | ||
737 | #endif | ||
738 | |||
739 | |||
740 | |||
741 | /* FIXME: We really don't allow much to the callback. For example, it has | ||
742 | no chance of reaching the info stack for the item it processes. Should | ||
743 | it really be this way? -- Richard Levitte */ | ||
744 | static void cb_leak(MEM *m, | ||
745 | void (**cb)(unsigned long, const char *, int, int, void *)) | ||
746 | { | ||
747 | (**cb)(m->order,m->file,m->line,m->num,m->addr); | ||
748 | } | ||
749 | |||
750 | void CRYPTO_mem_leaks_cb(void (*cb)(unsigned long, const char *, int, int, void *)) | ||
751 | { | ||
752 | if (mh == NULL) return; | ||
753 | CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2); | ||
754 | lh_doall_arg(mh,(void (*)())cb_leak,(void *)&cb); | ||
755 | CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2); | ||
756 | } | ||