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Diffstat (limited to 'src/lib/libcrypto/cryptlib.c')
-rw-r--r-- | src/lib/libcrypto/cryptlib.c | 926 |
1 files changed, 926 insertions, 0 deletions
diff --git a/src/lib/libcrypto/cryptlib.c b/src/lib/libcrypto/cryptlib.c new file mode 100644 index 0000000000..766ea8cac7 --- /dev/null +++ b/src/lib/libcrypto/cryptlib.c | |||
@@ -0,0 +1,926 @@ | |||
1 | /* crypto/cryptlib.c */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. | ||
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 | */ | ||
55 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
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 | */ | ||
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 | */ | ||
116 | |||
117 | #include "cryptlib.h" | ||
118 | #include <openssl/safestack.h> | ||
119 | |||
120 | #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) | ||
121 | static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ | ||
122 | #endif | ||
123 | |||
124 | DECLARE_STACK_OF(CRYPTO_dynlock) | ||
125 | |||
126 | /* real #defines in crypto.h, keep these upto date */ | ||
127 | static const char* const lock_names[CRYPTO_NUM_LOCKS] = | ||
128 | { | ||
129 | "<<ERROR>>", | ||
130 | "err", | ||
131 | "ex_data", | ||
132 | "x509", | ||
133 | "x509_info", | ||
134 | "x509_pkey", | ||
135 | "x509_crl", | ||
136 | "x509_req", | ||
137 | "dsa", | ||
138 | "rsa", | ||
139 | "evp_pkey", | ||
140 | "x509_store", | ||
141 | "ssl_ctx", | ||
142 | "ssl_cert", | ||
143 | "ssl_session", | ||
144 | "ssl_sess_cert", | ||
145 | "ssl", | ||
146 | "ssl_method", | ||
147 | "rand", | ||
148 | "rand2", | ||
149 | "debug_malloc", | ||
150 | "BIO", | ||
151 | "gethostbyname", | ||
152 | "getservbyname", | ||
153 | "readdir", | ||
154 | "RSA_blinding", | ||
155 | "dh", | ||
156 | "debug_malloc2", | ||
157 | "dso", | ||
158 | "dynlock", | ||
159 | "engine", | ||
160 | "ui", | ||
161 | "ecdsa", | ||
162 | "ec", | ||
163 | "ecdh", | ||
164 | "bn", | ||
165 | "ec_pre_comp", | ||
166 | "store", | ||
167 | "comp", | ||
168 | "fips", | ||
169 | "fips2", | ||
170 | #if CRYPTO_NUM_LOCKS != 41 | ||
171 | # error "Inconsistency between crypto.h and cryptlib.c" | ||
172 | #endif | ||
173 | }; | ||
174 | |||
175 | /* This is for applications to allocate new type names in the non-dynamic | ||
176 | array of lock names. These are numbered with positive numbers. */ | ||
177 | static STACK_OF(OPENSSL_STRING) *app_locks=NULL; | ||
178 | |||
179 | /* For applications that want a more dynamic way of handling threads, the | ||
180 | following stack is used. These are externally numbered with negative | ||
181 | numbers. */ | ||
182 | static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL; | ||
183 | |||
184 | |||
185 | static void (MS_FAR *locking_callback)(int mode,int type, | ||
186 | const char *file,int line)=0; | ||
187 | static int (MS_FAR *add_lock_callback)(int *pointer,int amount, | ||
188 | int type,const char *file,int line)=0; | ||
189 | #ifndef OPENSSL_NO_DEPRECATED | ||
190 | static unsigned long (MS_FAR *id_callback)(void)=0; | ||
191 | #endif | ||
192 | static void (MS_FAR *threadid_callback)(CRYPTO_THREADID *)=0; | ||
193 | static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) | ||
194 | (const char *file,int line)=0; | ||
195 | static void (MS_FAR *dynlock_lock_callback)(int mode, | ||
196 | struct CRYPTO_dynlock_value *l, const char *file,int line)=0; | ||
197 | static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l, | ||
198 | const char *file,int line)=0; | ||
199 | |||
200 | int CRYPTO_get_new_lockid(char *name) | ||
201 | { | ||
202 | char *str; | ||
203 | int i; | ||
204 | |||
205 | #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) | ||
206 | /* A hack to make Visual C++ 5.0 work correctly when linking as | ||
207 | * a DLL using /MT. Without this, the application cannot use | ||
208 | * any floating point printf's. | ||
209 | * It also seems to be needed for Visual C 1.5 (win16) */ | ||
210 | SSLeay_MSVC5_hack=(double)name[0]*(double)name[1]; | ||
211 | #endif | ||
212 | |||
213 | if ((app_locks == NULL) && ((app_locks=sk_OPENSSL_STRING_new_null()) == NULL)) | ||
214 | { | ||
215 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | ||
216 | return(0); | ||
217 | } | ||
218 | if ((str=BUF_strdup(name)) == NULL) | ||
219 | { | ||
220 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | ||
221 | return(0); | ||
222 | } | ||
223 | i=sk_OPENSSL_STRING_push(app_locks,str); | ||
224 | if (!i) | ||
225 | OPENSSL_free(str); | ||
226 | else | ||
227 | i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */ | ||
228 | return(i); | ||
229 | } | ||
230 | |||
231 | int CRYPTO_num_locks(void) | ||
232 | { | ||
233 | return CRYPTO_NUM_LOCKS; | ||
234 | } | ||
235 | |||
236 | int CRYPTO_get_new_dynlockid(void) | ||
237 | { | ||
238 | int i = 0; | ||
239 | CRYPTO_dynlock *pointer = NULL; | ||
240 | |||
241 | if (dynlock_create_callback == NULL) | ||
242 | { | ||
243 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK); | ||
244 | return(0); | ||
245 | } | ||
246 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | ||
247 | if ((dyn_locks == NULL) | ||
248 | && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL)) | ||
249 | { | ||
250 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | ||
251 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); | ||
252 | return(0); | ||
253 | } | ||
254 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | ||
255 | |||
256 | pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock)); | ||
257 | if (pointer == NULL) | ||
258 | { | ||
259 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); | ||
260 | return(0); | ||
261 | } | ||
262 | pointer->references = 1; | ||
263 | pointer->data = dynlock_create_callback(__FILE__,__LINE__); | ||
264 | if (pointer->data == NULL) | ||
265 | { | ||
266 | OPENSSL_free(pointer); | ||
267 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); | ||
268 | return(0); | ||
269 | } | ||
270 | |||
271 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | ||
272 | /* First, try to find an existing empty slot */ | ||
273 | i=sk_CRYPTO_dynlock_find(dyn_locks,NULL); | ||
274 | /* If there was none, push, thereby creating a new one */ | ||
275 | if (i == -1) | ||
276 | /* Since sk_push() returns the number of items on the | ||
277 | stack, not the location of the pushed item, we need | ||
278 | to transform the returned number into a position, | ||
279 | by decreasing it. */ | ||
280 | i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1; | ||
281 | else | ||
282 | /* If we found a place with a NULL pointer, put our pointer | ||
283 | in it. */ | ||
284 | (void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer); | ||
285 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | ||
286 | |||
287 | if (i == -1) | ||
288 | { | ||
289 | dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); | ||
290 | OPENSSL_free(pointer); | ||
291 | } | ||
292 | else | ||
293 | i += 1; /* to avoid 0 */ | ||
294 | return -i; | ||
295 | } | ||
296 | |||
297 | void CRYPTO_destroy_dynlockid(int i) | ||
298 | { | ||
299 | CRYPTO_dynlock *pointer = NULL; | ||
300 | if (i) | ||
301 | i = -i-1; | ||
302 | if (dynlock_destroy_callback == NULL) | ||
303 | return; | ||
304 | |||
305 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | ||
306 | |||
307 | if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) | ||
308 | { | ||
309 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | ||
310 | return; | ||
311 | } | ||
312 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | ||
313 | if (pointer != NULL) | ||
314 | { | ||
315 | --pointer->references; | ||
316 | #ifdef REF_CHECK | ||
317 | if (pointer->references < 0) | ||
318 | { | ||
319 | fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n"); | ||
320 | abort(); | ||
321 | } | ||
322 | else | ||
323 | #endif | ||
324 | if (pointer->references <= 0) | ||
325 | { | ||
326 | (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); | ||
327 | } | ||
328 | else | ||
329 | pointer = NULL; | ||
330 | } | ||
331 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | ||
332 | |||
333 | if (pointer) | ||
334 | { | ||
335 | dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); | ||
336 | OPENSSL_free(pointer); | ||
337 | } | ||
338 | } | ||
339 | |||
340 | struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) | ||
341 | { | ||
342 | CRYPTO_dynlock *pointer = NULL; | ||
343 | if (i) | ||
344 | i = -i-1; | ||
345 | |||
346 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | ||
347 | |||
348 | if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) | ||
349 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | ||
350 | if (pointer) | ||
351 | pointer->references++; | ||
352 | |||
353 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | ||
354 | |||
355 | if (pointer) | ||
356 | return pointer->data; | ||
357 | return NULL; | ||
358 | } | ||
359 | |||
360 | struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) | ||
361 | (const char *file,int line) | ||
362 | { | ||
363 | return(dynlock_create_callback); | ||
364 | } | ||
365 | |||
366 | void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, | ||
367 | struct CRYPTO_dynlock_value *l, const char *file,int line) | ||
368 | { | ||
369 | return(dynlock_lock_callback); | ||
370 | } | ||
371 | |||
372 | void (*CRYPTO_get_dynlock_destroy_callback(void)) | ||
373 | (struct CRYPTO_dynlock_value *l, const char *file,int line) | ||
374 | { | ||
375 | return(dynlock_destroy_callback); | ||
376 | } | ||
377 | |||
378 | void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) | ||
379 | (const char *file, int line)) | ||
380 | { | ||
381 | dynlock_create_callback=func; | ||
382 | } | ||
383 | |||
384 | void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode, | ||
385 | struct CRYPTO_dynlock_value *l, const char *file, int line)) | ||
386 | { | ||
387 | dynlock_lock_callback=func; | ||
388 | } | ||
389 | |||
390 | void CRYPTO_set_dynlock_destroy_callback(void (*func) | ||
391 | (struct CRYPTO_dynlock_value *l, const char *file, int line)) | ||
392 | { | ||
393 | dynlock_destroy_callback=func; | ||
394 | } | ||
395 | |||
396 | |||
397 | void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file, | ||
398 | int line) | ||
399 | { | ||
400 | return(locking_callback); | ||
401 | } | ||
402 | |||
403 | int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type, | ||
404 | const char *file,int line) | ||
405 | { | ||
406 | return(add_lock_callback); | ||
407 | } | ||
408 | |||
409 | void CRYPTO_set_locking_callback(void (*func)(int mode,int type, | ||
410 | const char *file,int line)) | ||
411 | { | ||
412 | /* Calling this here ensures initialisation before any threads | ||
413 | * are started. | ||
414 | */ | ||
415 | OPENSSL_init(); | ||
416 | locking_callback=func; | ||
417 | } | ||
418 | |||
419 | void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type, | ||
420 | const char *file,int line)) | ||
421 | { | ||
422 | add_lock_callback=func; | ||
423 | } | ||
424 | |||
425 | /* the memset() here and in set_pointer() seem overkill, but for the sake of | ||
426 | * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two | ||
427 | * "equal" THREADID structs to not be memcmp()-identical. */ | ||
428 | void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) | ||
429 | { | ||
430 | memset(id, 0, sizeof(*id)); | ||
431 | id->val = val; | ||
432 | } | ||
433 | |||
434 | static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 }; | ||
435 | void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) | ||
436 | { | ||
437 | unsigned char *dest = (void *)&id->val; | ||
438 | unsigned int accum = 0; | ||
439 | unsigned char dnum = sizeof(id->val); | ||
440 | |||
441 | memset(id, 0, sizeof(*id)); | ||
442 | id->ptr = ptr; | ||
443 | if (sizeof(id->val) >= sizeof(id->ptr)) | ||
444 | { | ||
445 | /* 'ptr' can be embedded in 'val' without loss of uniqueness */ | ||
446 | id->val = (unsigned long)id->ptr; | ||
447 | return; | ||
448 | } | ||
449 | /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a | ||
450 | * linear function over the bytes in 'ptr', the co-efficients of which | ||
451 | * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - | ||
452 | * the starting prime for the sequence varies for each byte of 'val' | ||
453 | * (unique polynomials unless pointers are >64-bit). For added spice, | ||
454 | * the totals accumulate rather than restarting from zero, and the index | ||
455 | * of the 'val' byte is added each time (position dependence). If I was | ||
456 | * a black-belt, I'd scan big-endian pointers in reverse to give | ||
457 | * low-order bits more play, but this isn't crypto and I'd prefer nobody | ||
458 | * mistake it as such. Plus I'm lazy. */ | ||
459 | while (dnum--) | ||
460 | { | ||
461 | const unsigned char *src = (void *)&id->ptr; | ||
462 | unsigned char snum = sizeof(id->ptr); | ||
463 | while (snum--) | ||
464 | accum += *(src++) * hash_coeffs[(snum + dnum) & 7]; | ||
465 | accum += dnum; | ||
466 | *(dest++) = accum & 255; | ||
467 | } | ||
468 | } | ||
469 | |||
470 | int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *)) | ||
471 | { | ||
472 | if (threadid_callback) | ||
473 | return 0; | ||
474 | threadid_callback = func; | ||
475 | return 1; | ||
476 | } | ||
477 | |||
478 | void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *) | ||
479 | { | ||
480 | return threadid_callback; | ||
481 | } | ||
482 | |||
483 | void CRYPTO_THREADID_current(CRYPTO_THREADID *id) | ||
484 | { | ||
485 | if (threadid_callback) | ||
486 | { | ||
487 | threadid_callback(id); | ||
488 | return; | ||
489 | } | ||
490 | #ifndef OPENSSL_NO_DEPRECATED | ||
491 | /* If the deprecated callback was set, fall back to that */ | ||
492 | if (id_callback) | ||
493 | { | ||
494 | CRYPTO_THREADID_set_numeric(id, id_callback()); | ||
495 | return; | ||
496 | } | ||
497 | #endif | ||
498 | /* Else pick a backup */ | ||
499 | #ifdef OPENSSL_SYS_WIN16 | ||
500 | CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask()); | ||
501 | #elif defined(OPENSSL_SYS_WIN32) | ||
502 | CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId()); | ||
503 | #elif defined(OPENSSL_SYS_BEOS) | ||
504 | CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL)); | ||
505 | #else | ||
506 | /* For everything else, default to using the address of 'errno' */ | ||
507 | CRYPTO_THREADID_set_pointer(id, &errno); | ||
508 | #endif | ||
509 | } | ||
510 | |||
511 | int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b) | ||
512 | { | ||
513 | return memcmp(a, b, sizeof(*a)); | ||
514 | } | ||
515 | |||
516 | void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src) | ||
517 | { | ||
518 | memcpy(dest, src, sizeof(*src)); | ||
519 | } | ||
520 | |||
521 | unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) | ||
522 | { | ||
523 | return id->val; | ||
524 | } | ||
525 | |||
526 | #ifndef OPENSSL_NO_DEPRECATED | ||
527 | unsigned long (*CRYPTO_get_id_callback(void))(void) | ||
528 | { | ||
529 | return(id_callback); | ||
530 | } | ||
531 | |||
532 | void CRYPTO_set_id_callback(unsigned long (*func)(void)) | ||
533 | { | ||
534 | id_callback=func; | ||
535 | } | ||
536 | |||
537 | unsigned long CRYPTO_thread_id(void) | ||
538 | { | ||
539 | unsigned long ret=0; | ||
540 | |||
541 | if (id_callback == NULL) | ||
542 | { | ||
543 | #ifdef OPENSSL_SYS_WIN16 | ||
544 | ret=(unsigned long)GetCurrentTask(); | ||
545 | #elif defined(OPENSSL_SYS_WIN32) | ||
546 | ret=(unsigned long)GetCurrentThreadId(); | ||
547 | #elif defined(GETPID_IS_MEANINGLESS) | ||
548 | ret=1L; | ||
549 | #elif defined(OPENSSL_SYS_BEOS) | ||
550 | ret=(unsigned long)find_thread(NULL); | ||
551 | #else | ||
552 | ret=(unsigned long)getpid(); | ||
553 | #endif | ||
554 | } | ||
555 | else | ||
556 | ret=id_callback(); | ||
557 | return(ret); | ||
558 | } | ||
559 | #endif | ||
560 | |||
561 | void CRYPTO_lock(int mode, int type, const char *file, int line) | ||
562 | { | ||
563 | #ifdef LOCK_DEBUG | ||
564 | { | ||
565 | CRYPTO_THREADID id; | ||
566 | char *rw_text,*operation_text; | ||
567 | |||
568 | if (mode & CRYPTO_LOCK) | ||
569 | operation_text="lock "; | ||
570 | else if (mode & CRYPTO_UNLOCK) | ||
571 | operation_text="unlock"; | ||
572 | else | ||
573 | operation_text="ERROR "; | ||
574 | |||
575 | if (mode & CRYPTO_READ) | ||
576 | rw_text="r"; | ||
577 | else if (mode & CRYPTO_WRITE) | ||
578 | rw_text="w"; | ||
579 | else | ||
580 | rw_text="ERROR"; | ||
581 | |||
582 | CRYPTO_THREADID_current(&id); | ||
583 | fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", | ||
584 | CRYPTO_THREADID_hash(&id), rw_text, operation_text, | ||
585 | CRYPTO_get_lock_name(type), file, line); | ||
586 | } | ||
587 | #endif | ||
588 | if (type < 0) | ||
589 | { | ||
590 | if (dynlock_lock_callback != NULL) | ||
591 | { | ||
592 | struct CRYPTO_dynlock_value *pointer | ||
593 | = CRYPTO_get_dynlock_value(type); | ||
594 | |||
595 | OPENSSL_assert(pointer != NULL); | ||
596 | |||
597 | dynlock_lock_callback(mode, pointer, file, line); | ||
598 | |||
599 | CRYPTO_destroy_dynlockid(type); | ||
600 | } | ||
601 | } | ||
602 | else | ||
603 | if (locking_callback != NULL) | ||
604 | locking_callback(mode,type,file,line); | ||
605 | } | ||
606 | |||
607 | int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, | ||
608 | int line) | ||
609 | { | ||
610 | int ret = 0; | ||
611 | |||
612 | if (add_lock_callback != NULL) | ||
613 | { | ||
614 | #ifdef LOCK_DEBUG | ||
615 | int before= *pointer; | ||
616 | #endif | ||
617 | |||
618 | ret=add_lock_callback(pointer,amount,type,file,line); | ||
619 | #ifdef LOCK_DEBUG | ||
620 | { | ||
621 | CRYPTO_THREADID id; | ||
622 | CRYPTO_THREADID_current(&id); | ||
623 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | ||
624 | CRYPTO_THREADID_hash(&id), before,amount,ret, | ||
625 | CRYPTO_get_lock_name(type), | ||
626 | file,line); | ||
627 | } | ||
628 | #endif | ||
629 | } | ||
630 | else | ||
631 | { | ||
632 | CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line); | ||
633 | |||
634 | ret= *pointer+amount; | ||
635 | #ifdef LOCK_DEBUG | ||
636 | { | ||
637 | CRYPTO_THREADID id; | ||
638 | CRYPTO_THREADID_current(&id); | ||
639 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | ||
640 | CRYPTO_THREADID_hash(&id), | ||
641 | *pointer,amount,ret, | ||
642 | CRYPTO_get_lock_name(type), | ||
643 | file,line); | ||
644 | } | ||
645 | #endif | ||
646 | *pointer=ret; | ||
647 | CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line); | ||
648 | } | ||
649 | return(ret); | ||
650 | } | ||
651 | |||
652 | const char *CRYPTO_get_lock_name(int type) | ||
653 | { | ||
654 | if (type < 0) | ||
655 | return("dynamic"); | ||
656 | else if (type < CRYPTO_NUM_LOCKS) | ||
657 | return(lock_names[type]); | ||
658 | else if (type-CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks)) | ||
659 | return("ERROR"); | ||
660 | else | ||
661 | return(sk_OPENSSL_STRING_value(app_locks,type-CRYPTO_NUM_LOCKS)); | ||
662 | } | ||
663 | |||
664 | #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ | ||
665 | defined(__INTEL__) || \ | ||
666 | defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64) | ||
667 | |||
668 | unsigned int OPENSSL_ia32cap_P[2]; | ||
669 | unsigned long *OPENSSL_ia32cap_loc(void) | ||
670 | { if (sizeof(long)==4) | ||
671 | /* | ||
672 | * If 32-bit application pulls address of OPENSSL_ia32cap_P[0] | ||
673 | * clear second element to maintain the illusion that vector | ||
674 | * is 32-bit. | ||
675 | */ | ||
676 | OPENSSL_ia32cap_P[1]=0; | ||
677 | return (unsigned long *)OPENSSL_ia32cap_P; | ||
678 | } | ||
679 | |||
680 | #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) | ||
681 | #define OPENSSL_CPUID_SETUP | ||
682 | #if defined(_WIN32) | ||
683 | typedef unsigned __int64 IA32CAP; | ||
684 | #else | ||
685 | typedef unsigned long long IA32CAP; | ||
686 | #endif | ||
687 | void OPENSSL_cpuid_setup(void) | ||
688 | { static int trigger=0; | ||
689 | IA32CAP OPENSSL_ia32_cpuid(void); | ||
690 | IA32CAP vec; | ||
691 | char *env; | ||
692 | |||
693 | if (trigger) return; | ||
694 | |||
695 | trigger=1; | ||
696 | if ((env=getenv("OPENSSL_ia32cap"))) { | ||
697 | int off = (env[0]=='~')?1:0; | ||
698 | #if defined(_WIN32) | ||
699 | if (!sscanf(env+off,"%I64i",&vec)) vec = strtoul(env+off,NULL,0); | ||
700 | #else | ||
701 | if (!sscanf(env+off,"%lli",(long long *)&vec)) vec = strtoul(env+off,NULL,0); | ||
702 | #endif | ||
703 | if (off) vec = OPENSSL_ia32_cpuid()&~vec; | ||
704 | } | ||
705 | else | ||
706 | vec = OPENSSL_ia32_cpuid(); | ||
707 | /* | ||
708 | * |(1<<10) sets a reserved bit to signal that variable | ||
709 | * was initialized already... This is to avoid interference | ||
710 | * with cpuid snippets in ELF .init segment. | ||
711 | */ | ||
712 | OPENSSL_ia32cap_P[0] = (unsigned int)vec|(1<<10); | ||
713 | OPENSSL_ia32cap_P[1] = (unsigned int)(vec>>32); | ||
714 | } | ||
715 | #endif | ||
716 | |||
717 | #else | ||
718 | unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; } | ||
719 | #endif | ||
720 | int OPENSSL_NONPIC_relocated = 0; | ||
721 | #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) | ||
722 | void OPENSSL_cpuid_setup(void) {} | ||
723 | #endif | ||
724 | |||
725 | #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) | ||
726 | #ifdef __CYGWIN__ | ||
727 | /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ | ||
728 | #include <windows.h> | ||
729 | /* this has side-effect of _WIN32 getting defined, which otherwise | ||
730 | * is mutually exclusive with __CYGWIN__... */ | ||
731 | #endif | ||
732 | |||
733 | /* All we really need to do is remove the 'error' state when a thread | ||
734 | * detaches */ | ||
735 | |||
736 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, | ||
737 | LPVOID lpvReserved) | ||
738 | { | ||
739 | switch(fdwReason) | ||
740 | { | ||
741 | case DLL_PROCESS_ATTACH: | ||
742 | OPENSSL_cpuid_setup(); | ||
743 | #if defined(_WIN32_WINNT) | ||
744 | { | ||
745 | IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL; | ||
746 | IMAGE_NT_HEADERS *nt_headers; | ||
747 | |||
748 | if (dos_header->e_magic==IMAGE_DOS_SIGNATURE) | ||
749 | { | ||
750 | nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header | ||
751 | + dos_header->e_lfanew); | ||
752 | if (nt_headers->Signature==IMAGE_NT_SIGNATURE && | ||
753 | hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase)) | ||
754 | OPENSSL_NONPIC_relocated=1; | ||
755 | } | ||
756 | } | ||
757 | #endif | ||
758 | break; | ||
759 | case DLL_THREAD_ATTACH: | ||
760 | break; | ||
761 | case DLL_THREAD_DETACH: | ||
762 | break; | ||
763 | case DLL_PROCESS_DETACH: | ||
764 | break; | ||
765 | } | ||
766 | return(TRUE); | ||
767 | } | ||
768 | #endif | ||
769 | |||
770 | #if defined(_WIN32) && !defined(__CYGWIN__) | ||
771 | #include <tchar.h> | ||
772 | #include <signal.h> | ||
773 | #ifdef __WATCOMC__ | ||
774 | #if defined(_UNICODE) || defined(__UNICODE__) | ||
775 | #define _vsntprintf _vsnwprintf | ||
776 | #else | ||
777 | #define _vsntprintf _vsnprintf | ||
778 | #endif | ||
779 | #endif | ||
780 | #ifdef _MSC_VER | ||
781 | #define alloca _alloca | ||
782 | #endif | ||
783 | |||
784 | #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | ||
785 | int OPENSSL_isservice(void) | ||
786 | { HWINSTA h; | ||
787 | DWORD len; | ||
788 | WCHAR *name; | ||
789 | static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL }; | ||
790 | |||
791 | if (_OPENSSL_isservice.p == NULL) { | ||
792 | HANDLE h = GetModuleHandle(NULL); | ||
793 | if (h != NULL) | ||
794 | _OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice"); | ||
795 | if (_OPENSSL_isservice.p == NULL) | ||
796 | _OPENSSL_isservice.p = (void *)-1; | ||
797 | } | ||
798 | |||
799 | if (_OPENSSL_isservice.p != (void *)-1) | ||
800 | return (*_OPENSSL_isservice.f)(); | ||
801 | |||
802 | (void)GetDesktopWindow(); /* return value is ignored */ | ||
803 | |||
804 | h = GetProcessWindowStation(); | ||
805 | if (h==NULL) return -1; | ||
806 | |||
807 | if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) || | ||
808 | GetLastError() != ERROR_INSUFFICIENT_BUFFER) | ||
809 | return -1; | ||
810 | |||
811 | if (len>512) return -1; /* paranoia */ | ||
812 | len++,len&=~1; /* paranoia */ | ||
813 | name=(WCHAR *)alloca(len+sizeof(WCHAR)); | ||
814 | if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len)) | ||
815 | return -1; | ||
816 | |||
817 | len++,len&=~1; /* paranoia */ | ||
818 | name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */ | ||
819 | #if 1 | ||
820 | /* This doesn't cover "interactive" services [working with real | ||
821 | * WinSta0's] nor programs started non-interactively by Task | ||
822 | * Scheduler [those are working with SAWinSta]. */ | ||
823 | if (wcsstr(name,L"Service-0x")) return 1; | ||
824 | #else | ||
825 | /* This covers all non-interactive programs such as services. */ | ||
826 | if (!wcsstr(name,L"WinSta0")) return 1; | ||
827 | #endif | ||
828 | else return 0; | ||
829 | } | ||
830 | #else | ||
831 | int OPENSSL_isservice(void) { return 0; } | ||
832 | #endif | ||
833 | |||
834 | void OPENSSL_showfatal (const char *fmta,...) | ||
835 | { va_list ap; | ||
836 | TCHAR buf[256]; | ||
837 | const TCHAR *fmt; | ||
838 | #ifdef STD_ERROR_HANDLE /* what a dirty trick! */ | ||
839 | HANDLE h; | ||
840 | |||
841 | if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL && | ||
842 | GetFileType(h)!=FILE_TYPE_UNKNOWN) | ||
843 | { /* must be console application */ | ||
844 | va_start (ap,fmta); | ||
845 | vfprintf (stderr,fmta,ap); | ||
846 | va_end (ap); | ||
847 | return; | ||
848 | } | ||
849 | #endif | ||
850 | |||
851 | if (sizeof(TCHAR)==sizeof(char)) | ||
852 | fmt=(const TCHAR *)fmta; | ||
853 | else do | ||
854 | { int keepgoing; | ||
855 | size_t len_0=strlen(fmta)+1,i; | ||
856 | WCHAR *fmtw; | ||
857 | |||
858 | fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR)); | ||
859 | if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; } | ||
860 | |||
861 | #ifndef OPENSSL_NO_MULTIBYTE | ||
862 | if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0)) | ||
863 | #endif | ||
864 | for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i]; | ||
865 | |||
866 | for (i=0;i<len_0;i++) | ||
867 | { if (fmtw[i]==L'%') do | ||
868 | { keepgoing=0; | ||
869 | switch (fmtw[i+1]) | ||
870 | { case L'0': case L'1': case L'2': case L'3': case L'4': | ||
871 | case L'5': case L'6': case L'7': case L'8': case L'9': | ||
872 | case L'.': case L'*': | ||
873 | case L'-': i++; keepgoing=1; break; | ||
874 | case L's': fmtw[i+1]=L'S'; break; | ||
875 | case L'S': fmtw[i+1]=L's'; break; | ||
876 | case L'c': fmtw[i+1]=L'C'; break; | ||
877 | case L'C': fmtw[i+1]=L'c'; break; | ||
878 | } | ||
879 | } while (keepgoing); | ||
880 | } | ||
881 | fmt = (const TCHAR *)fmtw; | ||
882 | } while (0); | ||
883 | |||
884 | va_start (ap,fmta); | ||
885 | _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap); | ||
886 | buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0'); | ||
887 | va_end (ap); | ||
888 | |||
889 | #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | ||
890 | /* this -------------v--- guards NT-specific calls */ | ||
891 | if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0) | ||
892 | { HANDLE h = RegisterEventSource(0,_T("OPENSSL")); | ||
893 | const TCHAR *pmsg=buf; | ||
894 | ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0); | ||
895 | DeregisterEventSource(h); | ||
896 | } | ||
897 | else | ||
898 | #endif | ||
899 | MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); | ||
900 | } | ||
901 | #else | ||
902 | void OPENSSL_showfatal (const char *fmta,...) | ||
903 | { va_list ap; | ||
904 | |||
905 | va_start (ap,fmta); | ||
906 | vfprintf (stderr,fmta,ap); | ||
907 | va_end (ap); | ||
908 | } | ||
909 | int OPENSSL_isservice (void) { return 0; } | ||
910 | #endif | ||
911 | |||
912 | void OpenSSLDie(const char *file,int line,const char *assertion) | ||
913 | { | ||
914 | OPENSSL_showfatal( | ||
915 | "%s(%d): OpenSSL internal error, assertion failed: %s\n", | ||
916 | file,line,assertion); | ||
917 | #if !defined(_WIN32) || defined(__CYGWIN__) | ||
918 | abort(); | ||
919 | #else | ||
920 | /* Win32 abort() customarily shows a dialog, but we just did that... */ | ||
921 | raise(SIGABRT); | ||
922 | _exit(3); | ||
923 | #endif | ||
924 | } | ||
925 | |||
926 | void *OPENSSL_stderr(void) { return stderr; } | ||