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ad6019d6 DSH |
1 | /* ==================================================================== |
2 | * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * | |
8 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 9 | * notice, this list of conditions and the following disclaimer. |
ad6019d6 DSH |
10 | * |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in | |
13 | * the documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * 3. All advertising materials mentioning features or use of this | |
17 | * software must display the following acknowledgment: | |
18 | * "This product includes software developed by the OpenSSL Project | |
19 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
20 | * | |
21 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
22 | * endorse or promote products derived from this software without | |
23 | * prior written permission. For written permission, please contact | |
24 | * openssl-core@openssl.org. | |
25 | * | |
26 | * 5. Products derived from this software may not be called "OpenSSL" | |
27 | * nor may "OpenSSL" appear in their names without prior written | |
28 | * permission of the OpenSSL Project. | |
29 | * | |
30 | * 6. Redistributions of any form whatsoever must retain the following | |
31 | * acknowledgment: | |
32 | * "This product includes software developed by the OpenSSL Project | |
33 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
34 | * | |
35 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
36 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
37 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
38 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
41 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
42 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
46 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 | * ==================================================================== | |
48 | * | |
49 | * This product includes cryptographic software written by Eric Young | |
50 | * (eay@cryptsoft.com). This product includes software written by Tim | |
51 | * Hudson (tjh@cryptsoft.com). | |
52 | * | |
53 | */ | |
54 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
55 | * All rights reserved. | |
56 | * | |
57 | * This package is an SSL implementation written | |
58 | * by Eric Young (eay@cryptsoft.com). | |
59 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 60 | * |
ad6019d6 DSH |
61 | * This library is free for commercial and non-commercial use as long as |
62 | * the following conditions are aheared to. The following conditions | |
63 | * apply to all code found in this distribution, be it the RC4, RSA, | |
64 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
65 | * included with this distribution is covered by the same copyright terms | |
66 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 67 | * |
ad6019d6 DSH |
68 | * Copyright remains Eric Young's, and as such any Copyright notices in |
69 | * the code are not to be removed. | |
70 | * If this package is used in a product, Eric Young should be given attribution | |
71 | * as the author of the parts of the library used. | |
72 | * This can be in the form of a textual message at program startup or | |
73 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 74 | * |
ad6019d6 DSH |
75 | * Redistribution and use in source and binary forms, with or without |
76 | * modification, are permitted provided that the following conditions | |
77 | * are met: | |
78 | * 1. Redistributions of source code must retain the copyright | |
79 | * notice, this list of conditions and the following disclaimer. | |
80 | * 2. Redistributions in binary form must reproduce the above copyright | |
81 | * notice, this list of conditions and the following disclaimer in the | |
82 | * documentation and/or other materials provided with the distribution. | |
83 | * 3. All advertising materials mentioning features or use of this software | |
84 | * must display the following acknowledgement: | |
85 | * "This product includes cryptographic software written by | |
86 | * Eric Young (eay@cryptsoft.com)" | |
87 | * The word 'cryptographic' can be left out if the rouines from the library | |
88 | * being used are not cryptographic related :-). | |
0f113f3e | 89 | * 4. If you include any Windows specific code (or a derivative thereof) from |
ad6019d6 DSH |
90 | * the apps directory (application code) you must include an acknowledgement: |
91 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 92 | * |
ad6019d6 DSH |
93 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
94 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
95 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
96 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
97 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
98 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
99 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
101 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
102 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
103 | * SUCH DAMAGE. | |
0f113f3e | 104 | * |
ad6019d6 DSH |
105 | * The licence and distribution terms for any publically available version or |
106 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
107 | * copied and put under another distribution licence | |
108 | * [including the GNU Public Licence.] | |
109 | */ | |
110 | /* ==================================================================== | |
111 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 112 | * ECDH support in OpenSSL originally developed by |
ad6019d6 DSH |
113 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
114 | */ | |
115 | ||
b39fc560 | 116 | #include "internal/cryptlib.h" |
ad6019d6 DSH |
117 | #include <openssl/safestack.h> |
118 | ||
6d23cf97 | 119 | #if defined(OPENSSL_SYS_WIN32) |
b0700d2c | 120 | static double OpenSSL_MSVC5_hack = 0.0; /* and for VC1.5 */ |
ad6019d6 DSH |
121 | #endif |
122 | ||
ad6019d6 | 123 | /* real #defines in crypto.h, keep these upto date */ |
0f113f3e MC |
124 | static const char *const lock_names[CRYPTO_NUM_LOCKS] = { |
125 | "<<ERROR>>", | |
126 | "err", | |
127 | "ex_data", | |
128 | "x509", | |
129 | "x509_info", | |
130 | "x509_pkey", | |
131 | "x509_crl", | |
132 | "x509_req", | |
133 | "dsa", | |
134 | "rsa", | |
135 | "evp_pkey", | |
136 | "x509_store", | |
137 | "ssl_ctx", | |
138 | "ssl_cert", | |
139 | "ssl_session", | |
140 | "ssl_sess_cert", | |
141 | "ssl", | |
142 | "ssl_method", | |
143 | "rand", | |
144 | "rand2", | |
145 | "debug_malloc", | |
146 | "BIO", | |
147 | "gethostbyname", | |
148 | "getservbyname", | |
149 | "readdir", | |
150 | "RSA_blinding", | |
151 | "dh", | |
152 | "debug_malloc2", | |
153 | "dso", | |
154 | "dynlock", | |
155 | "engine", | |
156 | "ui", | |
157 | "ecdsa", | |
158 | "ec", | |
159 | "ecdh", | |
160 | "bn", | |
161 | "ec_pre_comp", | |
162 | "store", | |
163 | "comp", | |
164 | "fips", | |
165 | "fips2", | |
ad6019d6 DSH |
166 | #if CRYPTO_NUM_LOCKS != 41 |
167 | # error "Inconsistency between crypto.h and cryptlib.c" | |
168 | #endif | |
0f113f3e | 169 | }; |
ad6019d6 | 170 | |
0f113f3e MC |
171 | /* |
172 | * This is for applications to allocate new type names in the non-dynamic | |
173 | * array of lock names. These are numbered with positive numbers. | |
174 | */ | |
175 | static STACK_OF(OPENSSL_STRING) *app_locks = NULL; | |
ad6019d6 | 176 | |
0f113f3e MC |
177 | /* |
178 | * For applications that want a more dynamic way of handling threads, the | |
179 | * following stack is used. These are externally numbered with negative | |
180 | * numbers. | |
181 | */ | |
182 | static STACK_OF(CRYPTO_dynlock) *dyn_locks = NULL; | |
ad6019d6 | 183 | |
0f113f3e MC |
184 | static void (*locking_callback) (int mode, int type, |
185 | const char *file, int line) = 0; | |
186 | static int (*add_lock_callback) (int *pointer, int amount, | |
187 | int type, const char *file, int line) = 0; | |
6d23cf97 | 188 | static struct CRYPTO_dynlock_value *(*dynlock_create_callback) |
0f113f3e MC |
189 | (const char *file, int line) = 0; |
190 | static void (*dynlock_lock_callback) (int mode, | |
191 | struct CRYPTO_dynlock_value *l, | |
192 | const char *file, int line) = 0; | |
193 | static void (*dynlock_destroy_callback) (struct CRYPTO_dynlock_value *l, | |
194 | const char *file, int line) = 0; | |
ad6019d6 DSH |
195 | |
196 | int CRYPTO_get_new_lockid(char *name) | |
0f113f3e MC |
197 | { |
198 | char *str; | |
199 | int i; | |
ad6019d6 | 200 | |
6d23cf97 | 201 | #if defined(OPENSSL_SYS_WIN32) |
0f113f3e MC |
202 | /* |
203 | * A hack to make Visual C++ 5.0 work correctly when linking as a DLL | |
204 | * using /MT. Without this, the application cannot use any floating point | |
205 | * printf's. It also seems to be needed for Visual C 1.5 (win16) | |
206 | */ | |
b0700d2c | 207 | OpenSSL_MSVC5_hack = (double)name[0] * (double)name[1]; |
ad6019d6 DSH |
208 | #endif |
209 | ||
0f113f3e MC |
210 | if ((app_locks == NULL) |
211 | && ((app_locks = sk_OPENSSL_STRING_new_null()) == NULL)) { | |
212 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID, ERR_R_MALLOC_FAILURE); | |
213 | return (0); | |
214 | } | |
7644a9ae | 215 | if ((str = OPENSSL_strdup(name)) == NULL) { |
0f113f3e MC |
216 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID, ERR_R_MALLOC_FAILURE); |
217 | return (0); | |
218 | } | |
219 | i = sk_OPENSSL_STRING_push(app_locks, str); | |
220 | if (!i) | |
221 | OPENSSL_free(str); | |
222 | else | |
223 | i += CRYPTO_NUM_LOCKS; /* gap of one :-) */ | |
224 | return (i); | |
225 | } | |
ad6019d6 DSH |
226 | |
227 | int CRYPTO_num_locks(void) | |
0f113f3e MC |
228 | { |
229 | return CRYPTO_NUM_LOCKS; | |
230 | } | |
ad6019d6 DSH |
231 | |
232 | int CRYPTO_get_new_dynlockid(void) | |
0f113f3e MC |
233 | { |
234 | int i = 0; | |
235 | CRYPTO_dynlock *pointer = NULL; | |
236 | ||
237 | if (dynlock_create_callback == NULL) { | |
238 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, | |
239 | CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK); | |
240 | return (0); | |
241 | } | |
242 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
243 | if ((dyn_locks == NULL) | |
244 | && ((dyn_locks = sk_CRYPTO_dynlock_new_null()) == NULL)) { | |
245 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
246 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); | |
247 | return (0); | |
248 | } | |
249 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
250 | ||
b4faea50 | 251 | pointer = OPENSSL_malloc(sizeof(*pointer)); |
0f113f3e MC |
252 | if (pointer == NULL) { |
253 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); | |
254 | return (0); | |
255 | } | |
256 | pointer->references = 1; | |
257 | pointer->data = dynlock_create_callback(__FILE__, __LINE__); | |
258 | if (pointer->data == NULL) { | |
259 | OPENSSL_free(pointer); | |
260 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); | |
261 | return (0); | |
262 | } | |
263 | ||
264 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
265 | /* First, try to find an existing empty slot */ | |
266 | i = sk_CRYPTO_dynlock_find(dyn_locks, NULL); | |
267 | /* If there was none, push, thereby creating a new one */ | |
268 | if (i == -1) | |
269 | /* | |
270 | * Since sk_push() returns the number of items on the stack, not the | |
271 | * location of the pushed item, we need to transform the returned | |
272 | * number into a position, by decreasing it. | |
273 | */ | |
274 | i = sk_CRYPTO_dynlock_push(dyn_locks, pointer) - 1; | |
275 | else | |
276 | /* | |
277 | * If we found a place with a NULL pointer, put our pointer in it. | |
278 | */ | |
279 | (void)sk_CRYPTO_dynlock_set(dyn_locks, i, pointer); | |
280 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
281 | ||
282 | if (i == -1) { | |
283 | dynlock_destroy_callback(pointer->data, __FILE__, __LINE__); | |
284 | OPENSSL_free(pointer); | |
285 | } else | |
286 | i += 1; /* to avoid 0 */ | |
287 | return -i; | |
288 | } | |
ad6019d6 DSH |
289 | |
290 | void CRYPTO_destroy_dynlockid(int i) | |
0f113f3e MC |
291 | { |
292 | CRYPTO_dynlock *pointer = NULL; | |
293 | if (i) | |
294 | i = -i - 1; | |
295 | if (dynlock_destroy_callback == NULL) | |
296 | return; | |
297 | ||
298 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
299 | ||
300 | if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) { | |
301 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
302 | return; | |
303 | } | |
304 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | |
305 | if (pointer != NULL) { | |
306 | --pointer->references; | |
ad6019d6 | 307 | #ifdef REF_CHECK |
0f113f3e | 308 | if (pointer->references < 0) { |
984d6c60 | 309 | OPENSSL_showfatal("CRYPTO_destroy_dynlockid, bad reference count\n"); |
0f113f3e MC |
310 | abort(); |
311 | } else | |
ad6019d6 | 312 | #endif |
0f113f3e MC |
313 | if (pointer->references <= 0) { |
314 | (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); | |
315 | } else | |
316 | pointer = NULL; | |
317 | } | |
318 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
319 | ||
320 | if (pointer) { | |
321 | dynlock_destroy_callback(pointer->data, __FILE__, __LINE__); | |
322 | OPENSSL_free(pointer); | |
323 | } | |
324 | } | |
ad6019d6 DSH |
325 | |
326 | struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) | |
0f113f3e MC |
327 | { |
328 | CRYPTO_dynlock *pointer = NULL; | |
329 | if (i) | |
330 | i = -i - 1; | |
ad6019d6 | 331 | |
0f113f3e | 332 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); |
ad6019d6 | 333 | |
0f113f3e MC |
334 | if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) |
335 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | |
336 | if (pointer) | |
337 | pointer->references++; | |
ad6019d6 | 338 | |
0f113f3e | 339 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
ad6019d6 | 340 | |
0f113f3e MC |
341 | if (pointer) |
342 | return pointer->data; | |
343 | return NULL; | |
344 | } | |
ad6019d6 DSH |
345 | |
346 | struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) | |
0f113f3e MC |
347 | (const char *file, int line) { |
348 | return (dynlock_create_callback); | |
349 | } | |
ad6019d6 | 350 | |
0f113f3e MC |
351 | void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode, |
352 | struct CRYPTO_dynlock_value | |
353 | *l, const char *file, | |
354 | int line) { | |
355 | return (dynlock_lock_callback); | |
356 | } | |
ad6019d6 DSH |
357 | |
358 | void (*CRYPTO_get_dynlock_destroy_callback(void)) | |
0f113f3e MC |
359 | (struct CRYPTO_dynlock_value *l, const char *file, int line) { |
360 | return (dynlock_destroy_callback); | |
361 | } | |
ad6019d6 DSH |
362 | |
363 | void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) | |
0f113f3e MC |
364 | (const char *file, int line)) |
365 | { | |
366 | dynlock_create_callback = func; | |
367 | } | |
368 | ||
369 | void CRYPTO_set_dynlock_lock_callback(void (*func) (int mode, | |
370 | struct | |
371 | CRYPTO_dynlock_value *l, | |
372 | const char *file, | |
373 | int line)) | |
374 | { | |
7c8ced94 | 375 | #ifdef OPENSSL_FIPS |
0f113f3e | 376 | FIPS_set_locking_callbacks(CRYPTO_lock, CRYPTO_add_lock); |
7c8ced94 | 377 | #endif |
0f113f3e MC |
378 | dynlock_lock_callback = func; |
379 | } | |
ad6019d6 DSH |
380 | |
381 | void CRYPTO_set_dynlock_destroy_callback(void (*func) | |
0f113f3e MC |
382 | (struct CRYPTO_dynlock_value *l, |
383 | const char *file, int line)) | |
384 | { | |
385 | dynlock_destroy_callback = func; | |
386 | } | |
387 | ||
388 | void (*CRYPTO_get_locking_callback(void)) (int mode, int type, | |
389 | const char *file, int line) { | |
390 | return (locking_callback); | |
391 | } | |
392 | ||
393 | int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type, | |
394 | const char *file, int line) { | |
395 | return (add_lock_callback); | |
396 | } | |
397 | ||
398 | void CRYPTO_set_locking_callback(void (*func) (int mode, int type, | |
399 | const char *file, int line)) | |
400 | { | |
7c8ced94 | 401 | #ifdef OPENSSL_FIPS |
0f113f3e | 402 | FIPS_set_locking_callbacks(CRYPTO_lock, CRYPTO_add_lock); |
7c8ced94 | 403 | #endif |
0f113f3e MC |
404 | locking_callback = func; |
405 | } | |
ad6019d6 | 406 | |
0f113f3e MC |
407 | void CRYPTO_set_add_lock_callback(int (*func) (int *num, int mount, int type, |
408 | const char *file, int line)) | |
409 | { | |
410 | add_lock_callback = func; | |
411 | } | |
ad6019d6 DSH |
412 | |
413 | void CRYPTO_lock(int mode, int type, const char *file, int line) | |
0f113f3e | 414 | { |
ad6019d6 | 415 | #ifdef LOCK_DEBUG |
0f113f3e MC |
416 | { |
417 | CRYPTO_THREADID id; | |
418 | char *rw_text, *operation_text; | |
419 | ||
420 | if (mode & CRYPTO_LOCK) | |
421 | operation_text = "lock "; | |
422 | else if (mode & CRYPTO_UNLOCK) | |
423 | operation_text = "unlock"; | |
424 | else | |
425 | operation_text = "ERROR "; | |
426 | ||
427 | if (mode & CRYPTO_READ) | |
428 | rw_text = "r"; | |
429 | else if (mode & CRYPTO_WRITE) | |
430 | rw_text = "w"; | |
431 | else | |
432 | rw_text = "ERROR"; | |
433 | ||
434 | CRYPTO_THREADID_current(&id); | |
435 | fprintf(stderr, "lock:%08lx:(%s)%s %-18s %s:%d\n", | |
436 | CRYPTO_THREADID_hash(&id), rw_text, operation_text, | |
437 | CRYPTO_get_lock_name(type), file, line); | |
438 | } | |
ad6019d6 | 439 | #endif |
0f113f3e MC |
440 | if (type < 0) { |
441 | if (dynlock_lock_callback != NULL) { | |
442 | struct CRYPTO_dynlock_value *pointer | |
443 | = CRYPTO_get_dynlock_value(type); | |
ad6019d6 | 444 | |
0f113f3e | 445 | OPENSSL_assert(pointer != NULL); |
ad6019d6 | 446 | |
0f113f3e | 447 | dynlock_lock_callback(mode, pointer, file, line); |
ad6019d6 | 448 | |
0f113f3e MC |
449 | CRYPTO_destroy_dynlockid(type); |
450 | } | |
451 | } else if (locking_callback != NULL) | |
452 | locking_callback(mode, type, file, line); | |
453 | } | |
ad6019d6 DSH |
454 | |
455 | int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, | |
0f113f3e MC |
456 | int line) |
457 | { | |
458 | int ret = 0; | |
ad6019d6 | 459 | |
0f113f3e | 460 | if (add_lock_callback != NULL) { |
ad6019d6 | 461 | #ifdef LOCK_DEBUG |
0f113f3e | 462 | int before = *pointer; |
ad6019d6 DSH |
463 | #endif |
464 | ||
0f113f3e | 465 | ret = add_lock_callback(pointer, amount, type, file, line); |
ad6019d6 | 466 | #ifdef LOCK_DEBUG |
0f113f3e MC |
467 | { |
468 | CRYPTO_THREADID id; | |
469 | CRYPTO_THREADID_current(&id); | |
470 | fprintf(stderr, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | |
471 | CRYPTO_THREADID_hash(&id), before, amount, ret, | |
472 | CRYPTO_get_lock_name(type), file, line); | |
473 | } | |
ad6019d6 | 474 | #endif |
0f113f3e MC |
475 | } else { |
476 | CRYPTO_lock(CRYPTO_LOCK | CRYPTO_WRITE, type, file, line); | |
ad6019d6 | 477 | |
0f113f3e | 478 | ret = *pointer + amount; |
ad6019d6 | 479 | #ifdef LOCK_DEBUG |
0f113f3e MC |
480 | { |
481 | CRYPTO_THREADID id; | |
482 | CRYPTO_THREADID_current(&id); | |
483 | fprintf(stderr, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | |
484 | CRYPTO_THREADID_hash(&id), | |
485 | *pointer, amount, ret, | |
486 | CRYPTO_get_lock_name(type), file, line); | |
487 | } | |
ad6019d6 | 488 | #endif |
0f113f3e MC |
489 | *pointer = ret; |
490 | CRYPTO_lock(CRYPTO_UNLOCK | CRYPTO_WRITE, type, file, line); | |
491 | } | |
492 | return (ret); | |
493 | } | |
ad6019d6 DSH |
494 | |
495 | const char *CRYPTO_get_lock_name(int type) | |
0f113f3e MC |
496 | { |
497 | if (type < 0) | |
498 | return ("dynamic"); | |
499 | else if (type < CRYPTO_NUM_LOCKS) | |
500 | return (lock_names[type]); | |
501 | else if (type - CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks)) | |
502 | return ("ERROR"); | |
503 | else | |
504 | return (sk_OPENSSL_STRING_value(app_locks, type - CRYPTO_NUM_LOCKS)); | |
505 | } |