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d02b48c6 | 1 | /* crypto/cryptlib.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 <string.h> | |
61 | #include "cryptlib.h" | |
ec577822 | 62 | #include <openssl/crypto.h> |
c7922304 | 63 | #include <openssl/safestack.h> |
d02b48c6 | 64 | |
bc36ee62 | 65 | #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
66 | static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ |
67 | #endif | |
68 | ||
7ef82068 DSH |
69 | DECLARE_STACK_OF(CRYPTO_dynlock) |
70 | IMPLEMENT_STACK_OF(CRYPTO_dynlock) | |
c7922304 | 71 | |
d02b48c6 | 72 | /* real #defines in crypto.h, keep these upto date */ |
e778802f | 73 | static const char* lock_names[CRYPTO_NUM_LOCKS] = |
d02b48c6 RE |
74 | { |
75 | "<<ERROR>>", | |
76 | "err", | |
77 | "err_hash", | |
78 | "x509", | |
79 | "x509_info", | |
80 | "x509_pkey", | |
81 | "x509_crl", | |
82 | "x509_req", | |
83 | "dsa", | |
84 | "rsa", | |
85 | "evp_pkey", | |
86 | "x509_store", | |
87 | "ssl_ctx", | |
88 | "ssl_cert", | |
89 | "ssl_session", | |
d36bcdf5 | 90 | "ssl_sess_cert", |
d02b48c6 RE |
91 | "ssl", |
92 | "rand", | |
daba492c | 93 | "rand2", |
d02b48c6 | 94 | "debug_malloc", |
d02b48c6 | 95 | "BIO", |
2a82c7cf BM |
96 | "gethostbyname", |
97 | "getservbyname", | |
98 | "readdir", | |
58964a49 | 99 | "RSA_blinding", |
13066cee | 100 | "dh", |
1f575f1b | 101 | "debug_malloc2", |
9ec0126e | 102 | "dso", |
e73a6965 | 103 | "dynlock", |
5270e702 | 104 | "engine", |
a63d5eaa | 105 | "ui", |
3a079997 GT |
106 | "ex_data", |
107 | #if CRYPTO_NUM_LOCKS != 32 | |
2a82c7cf | 108 | # error "Inconsistency between crypto.h and cryptlib.c" |
d36bcdf5 | 109 | #endif |
d02b48c6 RE |
110 | }; |
111 | ||
c7922304 RL |
112 | /* This is for applications to allocate new type names in the non-dynamic |
113 | array of lock names. These are numbered with positive numbers. */ | |
58964a49 RE |
114 | static STACK *app_locks=NULL; |
115 | ||
c7922304 RL |
116 | /* For applications that want a more dynamic way of handling threads, the |
117 | following stack is used. These are externally numbered with negative | |
118 | numbers. */ | |
119 | static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL; | |
120 | ||
121 | ||
d02b48c6 | 122 | static void (MS_FAR *locking_callback)(int mode,int type, |
e778802f | 123 | const char *file,int line)=NULL; |
d02b48c6 | 124 | static int (MS_FAR *add_lock_callback)(int *pointer,int amount, |
e778802f | 125 | int type,const char *file,int line)=NULL; |
d02b48c6 | 126 | static unsigned long (MS_FAR *id_callback)(void)=NULL; |
e73a6965 RL |
127 | static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) |
128 | (const char *file,int line)=NULL; | |
55b7688e | 129 | static void (MS_FAR *dynlock_lock_callback)(int mode, |
e73a6965 RL |
130 | struct CRYPTO_dynlock_value *l, const char *file,int line)=NULL; |
131 | static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l, | |
c7922304 | 132 | const char *file,int line)=NULL; |
c7922304 | 133 | |
6b691a5c | 134 | int CRYPTO_get_new_lockid(char *name) |
58964a49 RE |
135 | { |
136 | char *str; | |
137 | int i; | |
138 | ||
bc36ee62 | 139 | #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
140 | /* A hack to make Visual C++ 5.0 work correctly when linking as |
141 | * a DLL using /MT. Without this, the application cannot use | |
142 | * and floating point printf's. | |
143 | * It also seems to be needed for Visual C 1.5 (win16) */ | |
58964a49 RE |
144 | SSLeay_MSVC5_hack=(double)name[0]*(double)name[1]; |
145 | #endif | |
146 | ||
dfeab068 RE |
147 | if ((app_locks == NULL) && ((app_locks=sk_new_null()) == NULL)) |
148 | { | |
149 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | |
150 | return(0); | |
151 | } | |
58964a49 | 152 | if ((str=BUF_strdup(name)) == NULL) |
c7922304 RL |
153 | { |
154 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | |
58964a49 | 155 | return(0); |
c7922304 | 156 | } |
58964a49 RE |
157 | i=sk_push(app_locks,str); |
158 | if (!i) | |
26a3a48d | 159 | OPENSSL_free(str); |
58964a49 RE |
160 | else |
161 | i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */ | |
162 | return(i); | |
163 | } | |
164 | ||
a111306b BM |
165 | int CRYPTO_num_locks(void) |
166 | { | |
167 | return CRYPTO_NUM_LOCKS; | |
168 | } | |
169 | ||
c7922304 RL |
170 | int CRYPTO_get_new_dynlockid(void) |
171 | { | |
172 | int i = 0; | |
173 | CRYPTO_dynlock *pointer = NULL; | |
174 | ||
175 | if (dynlock_create_callback == NULL) | |
176 | { | |
177 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK); | |
178 | return(0); | |
179 | } | |
e73a6965 | 180 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); |
c7922304 | 181 | if ((dyn_locks == NULL) |
7ef82068 | 182 | && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL)) |
c7922304 | 183 | { |
e73a6965 | 184 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
c7922304 RL |
185 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); |
186 | return(0); | |
187 | } | |
e73a6965 | 188 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
c7922304 | 189 | |
e73a6965 | 190 | pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock)); |
c7922304 RL |
191 | if (pointer == NULL) |
192 | { | |
193 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); | |
194 | return(0); | |
195 | } | |
e73a6965 RL |
196 | pointer->references = 1; |
197 | pointer->data = dynlock_create_callback(__FILE__,__LINE__); | |
198 | if (pointer->data == NULL) | |
199 | { | |
200 | OPENSSL_free(pointer); | |
201 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); | |
202 | return(0); | |
203 | } | |
204 | ||
205 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
55b7688e RL |
206 | /* First, try to find an existing empty slot */ |
207 | i=sk_CRYPTO_dynlock_find(dyn_locks,NULL); | |
208 | /* If there was none, push, thereby creating a new one */ | |
209 | if (i == -1) | |
210 | i=sk_CRYPTO_dynlock_push(dyn_locks,pointer); | |
e73a6965 RL |
211 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
212 | ||
c7922304 | 213 | if (!i) |
e73a6965 RL |
214 | { |
215 | dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); | |
216 | OPENSSL_free(pointer); | |
217 | } | |
c7922304 RL |
218 | else |
219 | i += 1; /* to avoid 0 */ | |
220 | return -i; | |
221 | } | |
222 | ||
223 | void CRYPTO_destroy_dynlockid(int i) | |
224 | { | |
e73a6965 | 225 | CRYPTO_dynlock *pointer = NULL; |
c7922304 RL |
226 | if (i) |
227 | i = -i-1; | |
c7922304 RL |
228 | if (dynlock_destroy_callback == NULL) |
229 | return; | |
e73a6965 RL |
230 | |
231 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
232 | ||
233 | if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) | |
234 | return; | |
235 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | |
236 | if (pointer != NULL) | |
237 | { | |
238 | --pointer->references; | |
239 | #ifdef REF_CHECK | |
240 | if (pointer->references < 0) | |
241 | { | |
242 | fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n"); | |
243 | abort(); | |
244 | } | |
245 | else | |
246 | #endif | |
80340f1f | 247 | if (pointer->references <= 0) |
e73a6965 RL |
248 | { |
249 | sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); | |
250 | } | |
251 | else | |
252 | pointer = NULL; | |
253 | } | |
254 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
255 | ||
256 | if (pointer) | |
95a9fea7 | 257 | { |
e73a6965 | 258 | dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); |
95a9fea7 BM |
259 | OPENSSL_free(pointer); |
260 | } | |
c7922304 RL |
261 | } |
262 | ||
e73a6965 | 263 | struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) |
c7922304 | 264 | { |
e73a6965 | 265 | CRYPTO_dynlock *pointer = NULL; |
c7922304 RL |
266 | if (i) |
267 | i = -i-1; | |
e73a6965 RL |
268 | |
269 | CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
270 | ||
271 | if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) | |
272 | pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | |
273 | if (pointer) | |
274 | pointer->references++; | |
275 | ||
276 | CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
277 | ||
278 | if (pointer) | |
279 | return pointer->data; | |
280 | return NULL; | |
c7922304 RL |
281 | } |
282 | ||
55b7688e RL |
283 | struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) |
284 | (const char *file,int line) | |
d02b48c6 | 285 | { |
55b7688e | 286 | return(dynlock_create_callback); |
d02b48c6 RE |
287 | } |
288 | ||
e73a6965 RL |
289 | void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, |
290 | struct CRYPTO_dynlock_value *l, const char *file,int line) | |
c7922304 | 291 | { |
55b7688e RL |
292 | return(dynlock_lock_callback); |
293 | } | |
294 | ||
295 | void (*CRYPTO_get_dynlock_destroy_callback(void)) | |
296 | (struct CRYPTO_dynlock_value *l, const char *file,int line) | |
297 | { | |
298 | return(dynlock_destroy_callback); | |
299 | } | |
300 | ||
301 | void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) | |
302 | (const char *file, int line)) | |
303 | { | |
304 | dynlock_create_callback=func; | |
305 | } | |
306 | ||
307 | void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode, | |
308 | struct CRYPTO_dynlock_value *l, const char *file, int line)) | |
309 | { | |
310 | dynlock_lock_callback=func; | |
311 | } | |
312 | ||
313 | void CRYPTO_set_dynlock_destroy_callback(void (*func) | |
314 | (struct CRYPTO_dynlock_value *l, const char *file, int line)) | |
315 | { | |
316 | dynlock_destroy_callback=func; | |
317 | } | |
318 | ||
319 | ||
320 | void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file, | |
321 | int line) | |
322 | { | |
323 | return(locking_callback); | |
c7922304 RL |
324 | } |
325 | ||
e778802f BL |
326 | int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type, |
327 | const char *file,int line) | |
d02b48c6 RE |
328 | { |
329 | return(add_lock_callback); | |
330 | } | |
331 | ||
e778802f BL |
332 | void CRYPTO_set_locking_callback(void (*func)(int mode,int type, |
333 | const char *file,int line)) | |
d02b48c6 RE |
334 | { |
335 | locking_callback=func; | |
336 | } | |
337 | ||
e778802f BL |
338 | void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type, |
339 | const char *file,int line)) | |
d02b48c6 RE |
340 | { |
341 | add_lock_callback=func; | |
342 | } | |
343 | ||
73d2257d | 344 | unsigned long (*CRYPTO_get_id_callback(void))(void) |
d02b48c6 RE |
345 | { |
346 | return(id_callback); | |
347 | } | |
348 | ||
73d2257d | 349 | void CRYPTO_set_id_callback(unsigned long (*func)(void)) |
d02b48c6 RE |
350 | { |
351 | id_callback=func; | |
352 | } | |
353 | ||
6b691a5c | 354 | unsigned long CRYPTO_thread_id(void) |
d02b48c6 RE |
355 | { |
356 | unsigned long ret=0; | |
357 | ||
358 | if (id_callback == NULL) | |
359 | { | |
bc36ee62 | 360 | #ifdef OPENSSL_SYS_WIN16 |
d02b48c6 | 361 | ret=(unsigned long)GetCurrentTask(); |
bc36ee62 | 362 | #elif defined(OPENSSL_SYS_WIN32) |
d02b48c6 | 363 | ret=(unsigned long)GetCurrentThreadId(); |
a7c5241f | 364 | #elif defined(GETPID_IS_MEANINGLESS) |
d02b48c6 RE |
365 | ret=1L; |
366 | #else | |
367 | ret=(unsigned long)getpid(); | |
368 | #endif | |
369 | } | |
370 | else | |
371 | ret=id_callback(); | |
372 | return(ret); | |
373 | } | |
374 | ||
6b691a5c | 375 | void CRYPTO_lock(int mode, int type, const char *file, int line) |
d02b48c6 RE |
376 | { |
377 | #ifdef LOCK_DEBUG | |
378 | { | |
379 | char *rw_text,*operation_text; | |
380 | ||
381 | if (mode & CRYPTO_LOCK) | |
382 | operation_text="lock "; | |
383 | else if (mode & CRYPTO_UNLOCK) | |
384 | operation_text="unlock"; | |
385 | else | |
386 | operation_text="ERROR "; | |
387 | ||
388 | if (mode & CRYPTO_READ) | |
389 | rw_text="r"; | |
390 | else if (mode & CRYPTO_WRITE) | |
391 | rw_text="w"; | |
392 | else | |
393 | rw_text="ERROR"; | |
394 | ||
395 | fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", | |
396 | CRYPTO_thread_id(), rw_text, operation_text, | |
397 | CRYPTO_get_lock_name(type), file, line); | |
398 | } | |
399 | #endif | |
c7922304 RL |
400 | if (type < 0) |
401 | { | |
e73a6965 | 402 | struct CRYPTO_dynlock_value *pointer |
a87f50fb | 403 | = CRYPTO_get_dynlock_value(type); |
e73a6965 | 404 | |
80340f1f | 405 | if (pointer && dynlock_lock_callback) |
e73a6965 | 406 | { |
55b7688e | 407 | dynlock_lock_callback(mode, pointer, file, line); |
e73a6965 RL |
408 | } |
409 | ||
a87f50fb | 410 | CRYPTO_destroy_dynlockid(type); |
c7922304 RL |
411 | } |
412 | else | |
413 | if (locking_callback != NULL) | |
414 | locking_callback(mode,type,file,line); | |
d02b48c6 RE |
415 | } |
416 | ||
6b691a5c UM |
417 | int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, |
418 | int line) | |
d02b48c6 | 419 | { |
c7922304 | 420 | int ret = 0; |
d02b48c6 RE |
421 | |
422 | if (add_lock_callback != NULL) | |
423 | { | |
424 | #ifdef LOCK_DEBUG | |
425 | int before= *pointer; | |
426 | #endif | |
427 | ||
e73a6965 | 428 | ret=add_lock_callback(pointer,amount,type,file,line); |
d02b48c6 RE |
429 | #ifdef LOCK_DEBUG |
430 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | |
431 | CRYPTO_thread_id(), | |
432 | before,amount,ret, | |
433 | CRYPTO_get_lock_name(type), | |
434 | file,line); | |
435 | #endif | |
d02b48c6 RE |
436 | } |
437 | else | |
438 | { | |
439 | CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line); | |
440 | ||
441 | ret= *pointer+amount; | |
442 | #ifdef LOCK_DEBUG | |
443 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | |
444 | CRYPTO_thread_id(), | |
445 | *pointer,amount,ret, | |
446 | CRYPTO_get_lock_name(type), | |
447 | file,line); | |
448 | #endif | |
449 | *pointer=ret; | |
450 | CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line); | |
451 | } | |
452 | return(ret); | |
453 | } | |
454 | ||
6b691a5c | 455 | const char *CRYPTO_get_lock_name(int type) |
d02b48c6 | 456 | { |
58964a49 | 457 | if (type < 0) |
c7922304 | 458 | return("dynamic"); |
58964a49 RE |
459 | else if (type < CRYPTO_NUM_LOCKS) |
460 | return(lock_names[type]); | |
461 | else if (type-CRYPTO_NUM_LOCKS >= sk_num(app_locks)) | |
d02b48c6 | 462 | return("ERROR"); |
58964a49 RE |
463 | else |
464 | return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS)); | |
d02b48c6 RE |
465 | } |
466 | ||
467 | #ifdef _DLL | |
bc36ee62 | 468 | #ifdef OPENSSL_SYS_WIN32 |
d02b48c6 RE |
469 | |
470 | /* All we really need to do is remove the 'error' state when a thread | |
471 | * detaches */ | |
472 | ||
6b691a5c UM |
473 | BOOL WINAPI DLLEntryPoint(HINSTANCE hinstDLL, DWORD fdwReason, |
474 | LPVOID lpvReserved) | |
d02b48c6 RE |
475 | { |
476 | switch(fdwReason) | |
477 | { | |
478 | case DLL_PROCESS_ATTACH: | |
479 | break; | |
480 | case DLL_THREAD_ATTACH: | |
481 | break; | |
482 | case DLL_THREAD_DETACH: | |
483 | ERR_remove_state(0); | |
484 | break; | |
485 | case DLL_PROCESS_DETACH: | |
486 | break; | |
487 | } | |
488 | return(TRUE); | |
489 | } | |
490 | #endif | |
491 | ||
492 | #endif |