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d02b48c6 | 1 | /* crypto/cryptlib.c */ |
19b8d06a | 2 | /* ==================================================================== |
48fc582f | 3 | * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
19b8d06a BM |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in | |
14 | * the documentation and/or other materials provided with the | |
15 | * distribution. | |
16 | * | |
17 | * 3. All advertising materials mentioning features or use of this | |
18 | * software must display the following acknowledgment: | |
19 | * "This product includes software developed by the OpenSSL Project | |
20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
21 | * | |
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
23 | * endorse or promote products derived from this software without | |
24 | * prior written permission. For written permission, please contact | |
25 | * openssl-core@openssl.org. | |
26 | * | |
27 | * 5. Products derived from this software may not be called "OpenSSL" | |
28 | * nor may "OpenSSL" appear in their names without prior written | |
29 | * permission of the OpenSSL Project. | |
30 | * | |
31 | * 6. Redistributions of any form whatsoever must retain the following | |
32 | * acknowledgment: | |
33 | * "This product includes software developed by the OpenSSL Project | |
34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
35 | * | |
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
48 | * ==================================================================== | |
49 | * | |
50 | * This product includes cryptographic software written by Eric Young | |
51 | * (eay@cryptsoft.com). This product includes software written by Tim | |
52 | * Hudson (tjh@cryptsoft.com). | |
53 | * | |
54 | */ | |
58964a49 | 55 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
56 | * All rights reserved. |
57 | * | |
58 | * This package is an SSL implementation written | |
59 | * by Eric Young (eay@cryptsoft.com). | |
60 | * The implementation was written so as to conform with Netscapes SSL. | |
61 | * | |
62 | * This library is free for commercial and non-commercial use as long as | |
63 | * the following conditions are aheared to. The following conditions | |
64 | * apply to all code found in this distribution, be it the RC4, RSA, | |
65 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
66 | * included with this distribution is covered by the same copyright terms | |
67 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
68 | * | |
69 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
70 | * the code are not to be removed. | |
71 | * If this package is used in a product, Eric Young should be given attribution | |
72 | * as the author of the parts of the library used. | |
73 | * This can be in the form of a textual message at program startup or | |
74 | * in documentation (online or textual) provided with the package. | |
75 | * | |
76 | * Redistribution and use in source and binary forms, with or without | |
77 | * modification, are permitted provided that the following conditions | |
78 | * are met: | |
79 | * 1. Redistributions of source code must retain the copyright | |
80 | * notice, this list of conditions and the following disclaimer. | |
81 | * 2. Redistributions in binary form must reproduce the above copyright | |
82 | * notice, this list of conditions and the following disclaimer in the | |
83 | * documentation and/or other materials provided with the distribution. | |
84 | * 3. All advertising materials mentioning features or use of this software | |
85 | * must display the following acknowledgement: | |
86 | * "This product includes cryptographic software written by | |
87 | * Eric Young (eay@cryptsoft.com)" | |
88 | * The word 'cryptographic' can be left out if the rouines from the library | |
89 | * being used are not cryptographic related :-). | |
90 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
91 | * the apps directory (application code) you must include an acknowledgement: | |
92 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
93 | * | |
94 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
95 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
96 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
97 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
98 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
99 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
100 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
101 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
102 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
103 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
104 | * SUCH DAMAGE. | |
105 | * | |
106 | * The licence and distribution terms for any publically available version or | |
107 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
108 | * copied and put under another distribution licence | |
109 | * [including the GNU Public Licence.] | |
110 | */ | |
e172d60d BM |
111 | /* ==================================================================== |
112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
113 | * ECDH support in OpenSSL originally developed by | |
114 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. | |
115 | */ | |
d02b48c6 | 116 | |
d02b48c6 | 117 | #include "cryptlib.h" |
c7922304 | 118 | #include <openssl/safestack.h> |
d02b48c6 | 119 | |
bc36ee62 | 120 | #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
121 | static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ |
122 | #endif | |
123 | ||
7ef82068 DSH |
124 | DECLARE_STACK_OF(CRYPTO_dynlock) |
125 | IMPLEMENT_STACK_OF(CRYPTO_dynlock) | |
c7922304 | 126 | |
d02b48c6 | 127 | /* real #defines in crypto.h, keep these upto date */ |
af32f9fd | 128 | static const char* const lock_names[CRYPTO_NUM_LOCKS] = |
d02b48c6 RE |
129 | { |
130 | "<<ERROR>>", | |
131 | "err", | |
78f79235 | 132 | "ex_data", |
d02b48c6 RE |
133 | "x509", |
134 | "x509_info", | |
135 | "x509_pkey", | |
136 | "x509_crl", | |
137 | "x509_req", | |
138 | "dsa", | |
139 | "rsa", | |
140 | "evp_pkey", | |
141 | "x509_store", | |
142 | "ssl_ctx", | |
143 | "ssl_cert", | |
144 | "ssl_session", | |
d36bcdf5 | 145 | "ssl_sess_cert", |
d02b48c6 | 146 | "ssl", |
e78f1378 | 147 | "ssl_method", |
d02b48c6 | 148 | "rand", |
daba492c | 149 | "rand2", |
d02b48c6 | 150 | "debug_malloc", |
d02b48c6 | 151 | "BIO", |
2a82c7cf BM |
152 | "gethostbyname", |
153 | "getservbyname", | |
154 | "readdir", | |
58964a49 | 155 | "RSA_blinding", |
13066cee | 156 | "dh", |
1f575f1b | 157 | "debug_malloc2", |
9ec0126e | 158 | "dso", |
e73a6965 | 159 | "dynlock", |
5270e702 | 160 | "engine", |
a63d5eaa | 161 | "ui", |
4f85a2e2 BM |
162 | "ecdsa", |
163 | "ec", | |
e172d60d | 164 | "ecdh", |
19b8d06a | 165 | "bn", |
abd22c9c | 166 | "ec_pre_comp", |
9236b5b0 | 167 | "store", |
c40b9bde RL |
168 | "comp", |
169 | #if CRYPTO_NUM_LOCKS != 39 | |
2a82c7cf | 170 | # error "Inconsistency between crypto.h and cryptlib.c" |
d36bcdf5 | 171 | #endif |
d02b48c6 RE |
172 | }; |
173 | ||
c7922304 RL |
174 | /* This is for applications to allocate new type names in the non-dynamic |
175 | array of lock names. These are numbered with positive numbers. */ | |
58964a49 RE |
176 | static STACK *app_locks=NULL; |
177 | ||
c7922304 RL |
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 | static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL; | |
182 | ||
183 | ||
d02b48c6 | 184 | static void (MS_FAR *locking_callback)(int mode,int type, |
48fc582f | 185 | const char *file,int line)=0; |
d02b48c6 | 186 | static int (MS_FAR *add_lock_callback)(int *pointer,int amount, |
48fc582f BM |
187 | int type,const char *file,int line)=0; |
188 | static unsigned long (MS_FAR *id_callback)(void)=0; | |
189 | static void *(MS_FAR *idptr_callback)(void)=0; | |
e73a6965 | 190 | static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) |
48fc582f | 191 | (const char *file,int line)=0; |
55b7688e | 192 | static void (MS_FAR *dynlock_lock_callback)(int mode, |
48fc582f | 193 | struct CRYPTO_dynlock_value *l, const char *file,int line)=0; |
e73a6965 | 194 | static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l, |
48fc582f | 195 | const char *file,int line)=0; |
c7922304 | 196 | |
6b691a5c | 197 | int CRYPTO_get_new_lockid(char *name) |
58964a49 RE |
198 | { |
199 | char *str; | |
200 | int i; | |
201 | ||
bc36ee62 | 202 | #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
203 | /* A hack to make Visual C++ 5.0 work correctly when linking as |
204 | * a DLL using /MT. Without this, the application cannot use | |
205 | * and floating point printf's. | |
206 | * It also seems to be needed for Visual C 1.5 (win16) */ | |
58964a49 RE |
207 | SSLeay_MSVC5_hack=(double)name[0]*(double)name[1]; |
208 | #endif | |
209 | ||
dfeab068 RE |
210 | if ((app_locks == NULL) && ((app_locks=sk_new_null()) == NULL)) |
211 | { | |
212 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | |
213 | return(0); | |
214 | } | |
58964a49 | 215 | if ((str=BUF_strdup(name)) == NULL) |
c7922304 RL |
216 | { |
217 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | |
58964a49 | 218 | return(0); |
c7922304 | 219 | } |
58964a49 RE |
220 | i=sk_push(app_locks,str); |
221 | if (!i) | |
26a3a48d | 222 | OPENSSL_free(str); |
58964a49 RE |
223 | else |
224 | i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */ | |
225 | return(i); | |
226 | } | |
227 | ||
a111306b BM |
228 | int CRYPTO_num_locks(void) |
229 | { | |
230 | return CRYPTO_NUM_LOCKS; | |
231 | } | |
232 | ||
c7922304 RL |
233 | int CRYPTO_get_new_dynlockid(void) |
234 | { | |
235 | int i = 0; | |
236 | CRYPTO_dynlock *pointer = NULL; | |
237 | ||
238 | if (dynlock_create_callback == NULL) | |
239 | { | |
240 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK); | |
241 | return(0); | |
242 | } | |
e73a6965 | 243 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); |
c7922304 | 244 | if ((dyn_locks == NULL) |
7ef82068 | 245 | && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL)) |
c7922304 | 246 | { |
e73a6965 | 247 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
c7922304 RL |
248 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); |
249 | return(0); | |
250 | } | |
e73a6965 | 251 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
c7922304 | 252 | |
e73a6965 | 253 | pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock)); |
c7922304 RL |
254 | if (pointer == NULL) |
255 | { | |
256 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); | |
257 | return(0); | |
258 | } | |
e73a6965 RL |
259 | pointer->references = 1; |
260 | pointer->data = dynlock_create_callback(__FILE__,__LINE__); | |
261 | if (pointer->data == NULL) | |
262 | { | |
263 | OPENSSL_free(pointer); | |
264 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); | |
265 | return(0); | |
266 | } | |
267 | ||
268 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
55b7688e RL |
269 | /* First, try to find an existing empty slot */ |
270 | i=sk_CRYPTO_dynlock_find(dyn_locks,NULL); | |
271 | /* If there was none, push, thereby creating a new one */ | |
272 | if (i == -1) | |
442d4230 RL |
273 | /* Since sk_push() returns the number of items on the |
274 | stack, not the location of the pushed item, we need | |
275 | to transform the returned number into a position, | |
276 | by decreasing it. */ | |
277 | i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1; | |
278 | else | |
279 | /* If we found a place with a NULL pointer, put our pointer | |
280 | in it. */ | |
56c7754c | 281 | (void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer); |
e73a6965 RL |
282 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
283 | ||
442d4230 | 284 | if (i == -1) |
e73a6965 RL |
285 | { |
286 | dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); | |
287 | OPENSSL_free(pointer); | |
288 | } | |
c7922304 RL |
289 | else |
290 | i += 1; /* to avoid 0 */ | |
291 | return -i; | |
292 | } | |
293 | ||
294 | void CRYPTO_destroy_dynlockid(int i) | |
295 | { | |
e73a6965 | 296 | CRYPTO_dynlock *pointer = NULL; |
c7922304 RL |
297 | if (i) |
298 | i = -i-1; | |
c7922304 RL |
299 | if (dynlock_destroy_callback == NULL) |
300 | return; | |
e73a6965 RL |
301 | |
302 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
303 | ||
304 | if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) | |
883b0c22 | 305 | { |
bcbe4e52 | 306 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
e73a6965 | 307 | return; |
883b0c22 | 308 | } |
e73a6965 RL |
309 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); |
310 | if (pointer != NULL) | |
311 | { | |
312 | --pointer->references; | |
313 | #ifdef REF_CHECK | |
314 | if (pointer->references < 0) | |
315 | { | |
316 | fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n"); | |
317 | abort(); | |
318 | } | |
319 | else | |
320 | #endif | |
80340f1f | 321 | if (pointer->references <= 0) |
e73a6965 | 322 | { |
56c7754c | 323 | (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); |
e73a6965 RL |
324 | } |
325 | else | |
326 | pointer = NULL; | |
327 | } | |
328 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
329 | ||
330 | if (pointer) | |
95a9fea7 | 331 | { |
e73a6965 | 332 | dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); |
95a9fea7 BM |
333 | OPENSSL_free(pointer); |
334 | } | |
c7922304 RL |
335 | } |
336 | ||
e73a6965 | 337 | struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) |
c7922304 | 338 | { |
e73a6965 | 339 | CRYPTO_dynlock *pointer = NULL; |
c7922304 RL |
340 | if (i) |
341 | i = -i-1; | |
e73a6965 RL |
342 | |
343 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
344 | ||
345 | if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) | |
346 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | |
347 | if (pointer) | |
348 | pointer->references++; | |
349 | ||
350 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
351 | ||
352 | if (pointer) | |
353 | return pointer->data; | |
354 | return NULL; | |
c7922304 RL |
355 | } |
356 | ||
55b7688e RL |
357 | struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) |
358 | (const char *file,int line) | |
d02b48c6 | 359 | { |
55b7688e | 360 | return(dynlock_create_callback); |
d02b48c6 RE |
361 | } |
362 | ||
e73a6965 RL |
363 | void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, |
364 | struct CRYPTO_dynlock_value *l, const char *file,int line) | |
c7922304 | 365 | { |
55b7688e RL |
366 | return(dynlock_lock_callback); |
367 | } | |
368 | ||
369 | void (*CRYPTO_get_dynlock_destroy_callback(void)) | |
370 | (struct CRYPTO_dynlock_value *l, const char *file,int line) | |
371 | { | |
372 | return(dynlock_destroy_callback); | |
373 | } | |
374 | ||
375 | void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) | |
376 | (const char *file, int line)) | |
377 | { | |
378 | dynlock_create_callback=func; | |
379 | } | |
380 | ||
381 | void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode, | |
382 | struct CRYPTO_dynlock_value *l, const char *file, int line)) | |
383 | { | |
384 | dynlock_lock_callback=func; | |
385 | } | |
386 | ||
387 | void CRYPTO_set_dynlock_destroy_callback(void (*func) | |
388 | (struct CRYPTO_dynlock_value *l, const char *file, int line)) | |
389 | { | |
390 | dynlock_destroy_callback=func; | |
391 | } | |
392 | ||
393 | ||
394 | void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file, | |
395 | int line) | |
396 | { | |
397 | return(locking_callback); | |
c7922304 RL |
398 | } |
399 | ||
e778802f BL |
400 | int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type, |
401 | const char *file,int line) | |
d02b48c6 RE |
402 | { |
403 | return(add_lock_callback); | |
404 | } | |
405 | ||
e778802f BL |
406 | void CRYPTO_set_locking_callback(void (*func)(int mode,int type, |
407 | const char *file,int line)) | |
d02b48c6 RE |
408 | { |
409 | locking_callback=func; | |
410 | } | |
411 | ||
e778802f BL |
412 | void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type, |
413 | const char *file,int line)) | |
d02b48c6 RE |
414 | { |
415 | add_lock_callback=func; | |
416 | } | |
417 | ||
f7ccba3e GT |
418 | /* Thread IDs. So ... if we build without OPENSSL_NO_DEPRECATED, then we leave |
419 | * the existing implementations and just layer CRYPTO_THREADID_[get|cmp] | |
420 | * harmlessly on top. Otherwise, we only use 'id_callback' or 'idptr_callback' | |
421 | * if they're non-NULL, ie. we ignore CRYPTO_thread_id()'s fallbacks and we | |
422 | * move CRYPTO_thread_idptr()'s "&errno" fallback trick into | |
423 | * CRYPTO_THREADID_set(). */ | |
d02b48c6 | 424 | |
73d2257d | 425 | void CRYPTO_set_id_callback(unsigned long (*func)(void)) |
d02b48c6 RE |
426 | { |
427 | id_callback=func; | |
428 | } | |
429 | ||
f7ccba3e GT |
430 | void CRYPTO_set_idptr_callback(void *(*func)(void)) |
431 | { | |
432 | idptr_callback=func; | |
433 | } | |
434 | ||
435 | void CRYPTO_THREADID_set(CRYPTO_THREADID *id) | |
436 | { | |
437 | memset(id, 0, sizeof(*id)); | |
438 | if (idptr_callback) | |
439 | id->ptr = idptr_callback(); | |
440 | else if (id_callback) | |
441 | id->ulong = id_callback(); | |
442 | else | |
443 | id->ptr = &errno; | |
444 | } | |
445 | ||
446 | int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *id1, const CRYPTO_THREADID *id2) | |
447 | { | |
448 | if (id1->ptr != id2->ptr) | |
449 | return ((id1->ptr < id2->ptr) ? -1 : 1); | |
450 | if (id1->ulong != id2->ulong) | |
451 | return ((id1->ulong < id2->ulong ) ? -1 : 1); | |
452 | return 0; | |
453 | } | |
454 | ||
455 | unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) | |
456 | { | |
457 | if (idptr_callback || !id_callback) | |
458 | return (unsigned long)id->ptr; | |
459 | return id->ulong; | |
460 | } | |
461 | ||
462 | void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dst, const CRYPTO_THREADID *src) | |
463 | { | |
464 | memcpy(dst, src, sizeof(*src)); | |
465 | } | |
466 | ||
467 | #ifndef OPENSSL_NO_DEPRECATED | |
468 | unsigned long (*CRYPTO_get_id_callback(void))(void) | |
469 | { | |
470 | return(id_callback); | |
471 | } | |
472 | ||
6b691a5c | 473 | unsigned long CRYPTO_thread_id(void) |
d02b48c6 RE |
474 | { |
475 | unsigned long ret=0; | |
476 | ||
477 | if (id_callback == NULL) | |
478 | { | |
bc36ee62 | 479 | #ifdef OPENSSL_SYS_WIN16 |
d02b48c6 | 480 | ret=(unsigned long)GetCurrentTask(); |
bc36ee62 | 481 | #elif defined(OPENSSL_SYS_WIN32) |
d02b48c6 | 482 | ret=(unsigned long)GetCurrentThreadId(); |
a7c5241f | 483 | #elif defined(GETPID_IS_MEANINGLESS) |
d02b48c6 | 484 | ret=1L; |
4700aea9 UM |
485 | #elif defined(OPENSSL_SYS_BEOS) |
486 | ret=(unsigned long)find_thread(NULL); | |
d02b48c6 RE |
487 | #else |
488 | ret=(unsigned long)getpid(); | |
489 | #endif | |
490 | } | |
491 | else | |
492 | ret=id_callback(); | |
493 | return(ret); | |
494 | } | |
f7ccba3e | 495 | #endif |
48fc582f | 496 | |
6b691a5c | 497 | void CRYPTO_lock(int mode, int type, const char *file, int line) |
d02b48c6 RE |
498 | { |
499 | #ifdef LOCK_DEBUG | |
500 | { | |
501 | char *rw_text,*operation_text; | |
f7ccba3e | 502 | CRYPTO_THREADID tid; |
d02b48c6 RE |
503 | |
504 | if (mode & CRYPTO_LOCK) | |
505 | operation_text="lock "; | |
506 | else if (mode & CRYPTO_UNLOCK) | |
507 | operation_text="unlock"; | |
508 | else | |
509 | operation_text="ERROR "; | |
510 | ||
511 | if (mode & CRYPTO_READ) | |
512 | rw_text="r"; | |
513 | else if (mode & CRYPTO_WRITE) | |
514 | rw_text="w"; | |
515 | else | |
516 | rw_text="ERROR"; | |
517 | ||
f7ccba3e GT |
518 | CRYPTO_THREADID_set(&tid); |
519 | fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", | |
520 | CRYPTO_THREADID_hash(&tid), rw_text, operation_text, | |
d02b48c6 RE |
521 | CRYPTO_get_lock_name(type), file, line); |
522 | } | |
523 | #endif | |
c7922304 RL |
524 | if (type < 0) |
525 | { | |
b9b6e14b RL |
526 | if (dynlock_lock_callback != NULL) |
527 | { | |
528 | struct CRYPTO_dynlock_value *pointer | |
529 | = CRYPTO_get_dynlock_value(type); | |
e73a6965 | 530 | |
b9b6e14b | 531 | OPENSSL_assert(pointer != NULL); |
442d4230 | 532 | |
55b7688e | 533 | dynlock_lock_callback(mode, pointer, file, line); |
e73a6965 | 534 | |
b9b6e14b RL |
535 | CRYPTO_destroy_dynlockid(type); |
536 | } | |
c7922304 RL |
537 | } |
538 | else | |
539 | if (locking_callback != NULL) | |
540 | locking_callback(mode,type,file,line); | |
d02b48c6 RE |
541 | } |
542 | ||
6b691a5c UM |
543 | int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, |
544 | int line) | |
d02b48c6 | 545 | { |
c7922304 | 546 | int ret = 0; |
f7ccba3e GT |
547 | #ifdef LOCK_DEBUG |
548 | CRYPTO_THREADID tid; | |
549 | CRYPTO_THREADID_set(&tid); | |
550 | #endif | |
d02b48c6 RE |
551 | |
552 | if (add_lock_callback != NULL) | |
553 | { | |
554 | #ifdef LOCK_DEBUG | |
555 | int before= *pointer; | |
556 | #endif | |
557 | ||
e73a6965 | 558 | ret=add_lock_callback(pointer,amount,type,file,line); |
d02b48c6 | 559 | #ifdef LOCK_DEBUG |
f7ccba3e GT |
560 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", |
561 | CRYPTO_THREADID_hash(&tid), before,amount,ret, | |
d02b48c6 RE |
562 | CRYPTO_get_lock_name(type), |
563 | file,line); | |
564 | #endif | |
d02b48c6 RE |
565 | } |
566 | else | |
567 | { | |
568 | CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line); | |
569 | ||
570 | ret= *pointer+amount; | |
571 | #ifdef LOCK_DEBUG | |
f7ccba3e GT |
572 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", |
573 | CRYPTO_THREADID_hash(&tid), *pointer,amount,ret, | |
d02b48c6 RE |
574 | CRYPTO_get_lock_name(type), |
575 | file,line); | |
576 | #endif | |
577 | *pointer=ret; | |
578 | CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line); | |
579 | } | |
580 | return(ret); | |
581 | } | |
582 | ||
6b691a5c | 583 | const char *CRYPTO_get_lock_name(int type) |
d02b48c6 | 584 | { |
58964a49 | 585 | if (type < 0) |
c7922304 | 586 | return("dynamic"); |
58964a49 RE |
587 | else if (type < CRYPTO_NUM_LOCKS) |
588 | return(lock_names[type]); | |
e5f4d827 | 589 | else if (type-CRYPTO_NUM_LOCKS > sk_num(app_locks)) |
d02b48c6 | 590 | return("ERROR"); |
58964a49 RE |
591 | else |
592 | return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS)); | |
d02b48c6 RE |
593 | } |
594 | ||
959f9b11 AP |
595 | #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ |
596 | defined(__INTEL__) || \ | |
597 | defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) | |
14e21f86 | 598 | |
2b247cf8 AP |
599 | unsigned long OPENSSL_ia32cap_P=0; |
600 | unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; } | |
14e21f86 | 601 | |
ebaec63e | 602 | #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) |
14e21f86 | 603 | #define OPENSSL_CPUID_SETUP |
2b247cf8 | 604 | void OPENSSL_cpuid_setup(void) |
14e21f86 | 605 | { static int trigger=0; |
2b247cf8 | 606 | unsigned long OPENSSL_ia32_cpuid(void); |
14e21f86 AP |
607 | char *env; |
608 | ||
609 | if (trigger) return; | |
610 | ||
611 | trigger=1; | |
612 | if ((env=getenv("OPENSSL_ia32cap"))) | |
2b247cf8 | 613 | OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10); |
14e21f86 | 614 | else |
2b247cf8 | 615 | OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10); |
14e21f86 AP |
616 | /* |
617 | * |(1<<10) sets a reserved bit to signal that variable | |
618 | * was initialized already... This is to avoid interference | |
619 | * with cpuid snippets in ELF .init segment. | |
620 | */ | |
621 | } | |
622 | #endif | |
623 | ||
630e4a6e RL |
624 | #else |
625 | unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; } | |
14e21f86 | 626 | #endif |
1875e6db | 627 | int OPENSSL_NONPIC_relocated = 0; |
a00e414f | 628 | #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) |
2b247cf8 | 629 | void OPENSSL_cpuid_setup(void) {} |
14e21f86 AP |
630 | #endif |
631 | ||
e1d51de4 | 632 | #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) |
c7709441 AP |
633 | #ifdef __CYGWIN__ |
634 | /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ | |
635 | #include <windows.h> | |
636 | #endif | |
d02b48c6 RE |
637 | |
638 | /* All we really need to do is remove the 'error' state when a thread | |
639 | * detaches */ | |
640 | ||
00555c2f | 641 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, |
6b691a5c | 642 | LPVOID lpvReserved) |
d02b48c6 RE |
643 | { |
644 | switch(fdwReason) | |
645 | { | |
646 | case DLL_PROCESS_ATTACH: | |
14e21f86 | 647 | OPENSSL_cpuid_setup(); |
51d28013 AP |
648 | #if defined(_WIN32_WINNT) |
649 | { | |
650 | IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL; | |
651 | IMAGE_NT_HEADERS *nt_headers; | |
652 | ||
653 | if (dos_header->e_magic==IMAGE_DOS_SIGNATURE) | |
654 | { | |
655 | nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header | |
656 | + dos_header->e_lfanew); | |
657 | if (nt_headers->Signature==IMAGE_NT_SIGNATURE && | |
1bf95592 | 658 | hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase)) |
51d28013 AP |
659 | OPENSSL_NONPIC_relocated=1; |
660 | } | |
661 | } | |
662 | #endif | |
d02b48c6 RE |
663 | break; |
664 | case DLL_THREAD_ATTACH: | |
665 | break; | |
666 | case DLL_THREAD_DETACH: | |
667 | ERR_remove_state(0); | |
668 | break; | |
669 | case DLL_PROCESS_DETACH: | |
670 | break; | |
671 | } | |
672 | return(TRUE); | |
673 | } | |
674 | #endif | |
675 | ||
34c7ff6d | 676 | #if defined(_WIN32) && !defined(__CYGWIN__) |
9f2027e5 AP |
677 | #include <tchar.h> |
678 | ||
679 | #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | |
e476f942 | 680 | int OPENSSL_isservice(void) |
9f2027e5 AP |
681 | { HWINSTA h; |
682 | DWORD len; | |
683 | WCHAR *name; | |
684 | ||
685 | (void)GetDesktopWindow(); /* return value is ignored */ | |
686 | ||
687 | h = GetProcessWindowStation(); | |
688 | if (h==NULL) return -1; | |
689 | ||
690 | if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) || | |
691 | GetLastError() != ERROR_INSUFFICIENT_BUFFER) | |
692 | return -1; | |
693 | ||
694 | if (len>512) return -1; /* paranoia */ | |
695 | len++,len&=~1; /* paranoia */ | |
696 | #ifdef _MSC_VER | |
697 | name=(WCHAR *)_alloca(len+sizeof(WCHAR)); | |
698 | #else | |
699 | name=(WCHAR *)alloca(len+sizeof(WCHAR)); | |
700 | #endif | |
701 | if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len)) | |
702 | return -1; | |
703 | ||
704 | len++,len&=~1; /* paranoia */ | |
705 | name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */ | |
706 | #if 1 | |
707 | /* This doesn't cover "interactive" services [working with real | |
708 | * WinSta0's] nor programs started non-interactively by Task | |
709 | * Scheduler [those are working with SAWinSta]. */ | |
710 | if (wcsstr(name,L"Service-0x")) return 1; | |
711 | #else | |
712 | /* This covers all non-interactive programs such as services. */ | |
713 | if (!wcsstr(name,L"WinSta0")) return 1; | |
714 | #endif | |
715 | else return 0; | |
716 | } | |
2031eca5 AP |
717 | #else |
718 | int OPENSSL_isservice(void) { return 0; } | |
9f2027e5 AP |
719 | #endif |
720 | ||
9e88c827 | 721 | void OPENSSL_showfatal (const char *fmta,...) |
9f2027e5 | 722 | { va_list ap; |
1bf95592 | 723 | TCHAR buf[256]; |
9e88c827 | 724 | const TCHAR *fmt; |
19bd66fe | 725 | #ifdef STD_ERROR_HANDLE /* what a dirty trick! */ |
9f2027e5 AP |
726 | HANDLE h; |
727 | ||
728 | if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL && | |
729 | GetFileType(h)!=FILE_TYPE_UNKNOWN) | |
730 | { /* must be console application */ | |
731 | va_start (ap,fmta); | |
732 | vfprintf (stderr,fmta,ap); | |
733 | va_end (ap); | |
734 | return; | |
735 | } | |
2031eca5 | 736 | #endif |
9f2027e5 AP |
737 | |
738 | if (sizeof(TCHAR)==sizeof(char)) | |
2031eca5 | 739 | fmt=(const TCHAR *)fmta; |
9f2027e5 AP |
740 | else do |
741 | { int keepgoing; | |
742 | size_t len_0=strlen(fmta)+1,i; | |
743 | WCHAR *fmtw; | |
744 | ||
745 | #ifdef _MSC_VER | |
746 | fmtw = (WCHAR *)_alloca (len_0*sizeof(WCHAR)); | |
747 | #else | |
748 | fmtw = (WCHAR *)alloca (len_0*sizeof(WCHAR)); | |
749 | #endif | |
9e88c827 | 750 | if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; } |
9f2027e5 AP |
751 | |
752 | #ifndef OPENSSL_NO_MULTIBYTE | |
753 | if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0)) | |
754 | #endif | |
755 | for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i]; | |
756 | ||
757 | for (i=0;i<len_0;i++) | |
758 | { if (fmtw[i]==L'%') do | |
759 | { keepgoing=0; | |
760 | switch (fmtw[i+1]) | |
761 | { case L'0': case L'1': case L'2': case L'3': case L'4': | |
762 | case L'5': case L'6': case L'7': case L'8': case L'9': | |
763 | case L'.': case L'*': | |
764 | case L'-': i++; keepgoing=1; break; | |
765 | case L's': fmtw[i+1]=L'S'; break; | |
766 | case L'S': fmtw[i+1]=L's'; break; | |
767 | case L'c': fmtw[i+1]=L'C'; break; | |
768 | case L'C': fmtw[i+1]=L'c'; break; | |
769 | } | |
770 | } while (keepgoing); | |
771 | } | |
9e88c827 | 772 | fmt = (const TCHAR *)fmtw; |
9f2027e5 AP |
773 | } while (0); |
774 | ||
775 | va_start (ap,fmta); | |
776 | _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap); | |
777 | buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0'); | |
778 | va_end (ap); | |
779 | ||
780 | #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | |
781 | /* this -------------v--- guards NT-specific calls */ | |
e476f942 | 782 | if (GetVersion() < 0x80000000 && OPENSSL_isservice()) |
9f2027e5 AP |
783 | { HANDLE h = RegisterEventSource(0,_T("OPENSSL")); |
784 | const TCHAR *pmsg=buf; | |
785 | ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0); | |
786 | DeregisterEventSource(h); | |
787 | } | |
788 | else | |
789 | #endif | |
19bd66fe | 790 | MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); |
9f2027e5 AP |
791 | } |
792 | #else | |
9e88c827 | 793 | void OPENSSL_showfatal (const char *fmta,...) |
9f2027e5 AP |
794 | { va_list ap; |
795 | ||
796 | va_start (ap,fmta); | |
797 | vfprintf (stderr,fmta,ap); | |
798 | va_end (ap); | |
799 | } | |
e476f942 | 800 | int OPENSSL_isservice (void) { return 0; } |
9f2027e5 AP |
801 | #endif |
802 | ||
54a656ef BL |
803 | void OpenSSLDie(const char *file,int line,const char *assertion) |
804 | { | |
9f2027e5 | 805 | OPENSSL_showfatal( |
54a656ef BL |
806 | "%s(%d): OpenSSL internal error, assertion failed: %s\n", |
807 | file,line,assertion); | |
808 | abort(); | |
809 | } | |
9e88c827 AP |
810 | |
811 | void *OPENSSL_stderr(void) { return stderr; } |