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Side by Side Diff: openssl/crypto/mem.c

Issue 9254031: Upgrade chrome's OpenSSL to same version Android ships with. (Closed) Base URL: http://src.chromium.org/svn/trunk/deps/third_party/openssl/
Patch Set: '' Created 8 years, 11 months ago
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1 /* crypto/mem.c */ 1 /* crypto/mem.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
5 * This package is an SSL implementation written 5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com). 6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL. 7 * The implementation was written so as to conform with Netscapes SSL.
8 * 8 *
9 * This library is free for commercial and non-commercial use as long as 9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions 10 * the following conditions are aheared to. The following conditions
(...skipping 83 matching lines...) Expand 10 before | Expand all | Expand 10 after
94 { return malloc_locked_func(num); } 94 { return malloc_locked_func(num); }
95 static void *(*malloc_locked_ex_func)(size_t, const char *file, int line) 95 static void *(*malloc_locked_ex_func)(size_t, const char *file, int line)
96 = default_malloc_locked_ex; 96 = default_malloc_locked_ex;
97 97
98 static void (*free_locked_func)(void *) = free; 98 static void (*free_locked_func)(void *) = free;
99 99
100 100
101 101
102 /* may be changed as long as 'allow_customize_debug' is set */ 102 /* may be changed as long as 'allow_customize_debug' is set */
103 /* XXX use correct function pointer types */ 103 /* XXX use correct function pointer types */
104 #if defined(CRYPTO_MDEBUG) && !defined(OPENSSL_FIPS) 104 #ifdef CRYPTO_MDEBUG
105 /* use default functions from mem_dbg.c */ 105 /* use default functions from mem_dbg.c */
106 static void (*malloc_debug_func)(void *,int,const char *,int,int) 106 static void (*malloc_debug_func)(void *,int,const char *,int,int)
107 = CRYPTO_dbg_malloc; 107 = CRYPTO_dbg_malloc;
108 static void (*realloc_debug_func)(void *,void *,int,const char *,int,int) 108 static void (*realloc_debug_func)(void *,void *,int,const char *,int,int)
109 = CRYPTO_dbg_realloc; 109 = CRYPTO_dbg_realloc;
110 static void (*free_debug_func)(void *,int) = CRYPTO_dbg_free; 110 static void (*free_debug_func)(void *,int) = CRYPTO_dbg_free;
111 static void (*set_debug_options_func)(long) = CRYPTO_dbg_set_options; 111 static void (*set_debug_options_func)(long) = CRYPTO_dbg_set_options;
112 static long (*get_debug_options_func)(void) = CRYPTO_dbg_get_options; 112 static long (*get_debug_options_func)(void) = CRYPTO_dbg_get_options;
113
114 static int (*push_info_func)(const char *info, const char *file, int line)
115 = CRYPTO_dbg_push_info;
116 static int (*pop_info_func)(void)
117 = CRYPTO_dbg_pop_info;
118 static int (*remove_all_info_func)(void)
119 = CRYPTO_dbg_remove_all_info;
120
121 #else 113 #else
122 /* applications can use CRYPTO_malloc_debug_init() to select above case 114 /* applications can use CRYPTO_malloc_debug_init() to select above case
123 * at run-time */ 115 * at run-time */
124 static void (*malloc_debug_func)(void *,int,const char *,int,int) = NULL; 116 static void (*malloc_debug_func)(void *,int,const char *,int,int) = NULL;
125 static void (*realloc_debug_func)(void *,void *,int,const char *,int,int) 117 static void (*realloc_debug_func)(void *,void *,int,const char *,int,int)
126 = NULL; 118 = NULL;
127 static void (*free_debug_func)(void *,int) = NULL; 119 static void (*free_debug_func)(void *,int) = NULL;
128 static void (*set_debug_options_func)(long) = NULL; 120 static void (*set_debug_options_func)(long) = NULL;
129 static long (*get_debug_options_func)(void) = NULL; 121 static long (*get_debug_options_func)(void) = NULL;
130
131
132 static int (*push_info_func)(const char *info, const char *file, int line)
133 = NULL;
134 static int (*pop_info_func)(void) = NULL;
135 static int (*remove_all_info_func)(void) = NULL;
136
137 #endif 122 #endif
138 123
139 124
140 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), 125 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t),
141 void (*f)(void *)) 126 void (*f)(void *))
142 { 127 {
143 if (!allow_customize) 128 if (!allow_customize)
144 return 0; 129 return 0;
145 if ((m == 0) || (r == 0) || (f == 0)) 130 if ((m == 0) || (r == 0) || (f == 0))
146 return 0; 131 return 0;
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after
202 if (!allow_customize_debug) 187 if (!allow_customize_debug)
203 return 0; 188 return 0;
204 malloc_debug_func=m; 189 malloc_debug_func=m;
205 realloc_debug_func=r; 190 realloc_debug_func=r;
206 free_debug_func=f; 191 free_debug_func=f;
207 set_debug_options_func=so; 192 set_debug_options_func=so;
208 get_debug_options_func=go; 193 get_debug_options_func=go;
209 return 1; 194 return 1;
210 } 195 }
211 196
212 void CRYPTO_set_mem_info_functions(
213 int (*push_info_fn)(const char *info, const char *file, int line),
214 int (*pop_info_fn)(void),
215 int (*remove_all_info_fn)(void))
216 {
217 push_info_func = push_info_fn;
218 pop_info_func = pop_info_fn;
219 remove_all_info_func = remove_all_info_fn;
220 }
221 197
222 void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t), 198 void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t),
223 void (**f)(void *)) 199 void (**f)(void *))
224 { 200 {
225 if (m != NULL) *m = (malloc_ex_func == default_malloc_ex) ? 201 if (m != NULL) *m = (malloc_ex_func == default_malloc_ex) ?
226 malloc_func : 0; 202 malloc_func : 0;
227 if (r != NULL) *r = (realloc_ex_func == default_realloc_ex) ? 203 if (r != NULL) *r = (realloc_ex_func == default_realloc_ex) ?
228 realloc_func : 0; 204 realloc_func : 0;
229 if (f != NULL) *f=free_func; 205 if (f != NULL) *f=free_func;
230 } 206 }
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
267 if (r != NULL) *r=realloc_debug_func; 243 if (r != NULL) *r=realloc_debug_func;
268 if (f != NULL) *f=free_debug_func; 244 if (f != NULL) *f=free_debug_func;
269 if (so != NULL) *so=set_debug_options_func; 245 if (so != NULL) *so=set_debug_options_func;
270 if (go != NULL) *go=get_debug_options_func; 246 if (go != NULL) *go=get_debug_options_func;
271 } 247 }
272 248
273 249
274 void *CRYPTO_malloc_locked(int num, const char *file, int line) 250 void *CRYPTO_malloc_locked(int num, const char *file, int line)
275 { 251 {
276 void *ret = NULL; 252 void *ret = NULL;
277 extern unsigned char cleanse_ctr;
278 253
279 if (num <= 0) return NULL; 254 if (num <= 0) return NULL;
280 255
281 allow_customize = 0; 256 allow_customize = 0;
282 if (malloc_debug_func != NULL) 257 if (malloc_debug_func != NULL)
283 { 258 {
284 allow_customize_debug = 0; 259 allow_customize_debug = 0;
285 malloc_debug_func(NULL, num, file, line, 0); 260 malloc_debug_func(NULL, num, file, line, 0);
286 } 261 }
287 ret = malloc_locked_ex_func(num,file,line); 262 ret = malloc_locked_ex_func(num,file,line);
288 #ifdef LEVITTE_DEBUG_MEM 263 #ifdef LEVITTE_DEBUG_MEM
289 fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num); 264 fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num);
290 #endif 265 #endif
291 if (malloc_debug_func != NULL) 266 if (malloc_debug_func != NULL)
292 malloc_debug_func(ret, num, file, line, 1); 267 malloc_debug_func(ret, num, file, line, 1);
293 268
269 #ifndef OPENSSL_CPUID_OBJ
294 /* Create a dependency on the value of 'cleanse_ctr' so our memory 270 /* Create a dependency on the value of 'cleanse_ctr' so our memory
295 * sanitisation function can't be optimised out. NB: We only do 271 * sanitisation function can't be optimised out. NB: We only do
296 * this for >2Kb so the overhead doesn't bother us. */ 272 * this for >2Kb so the overhead doesn't bother us. */
297 if(ret && (num > 2048)) 273 if(ret && (num > 2048))
274 { extern unsigned char cleanse_ctr;
298 ((unsigned char *)ret)[0] = cleanse_ctr; 275 ((unsigned char *)ret)[0] = cleanse_ctr;
276 }
277 #endif
299 278
300 return ret; 279 return ret;
301 } 280 }
302 281
303 void CRYPTO_free_locked(void *str) 282 void CRYPTO_free_locked(void *str)
304 { 283 {
305 if (free_debug_func != NULL) 284 if (free_debug_func != NULL)
306 free_debug_func(str, 0); 285 free_debug_func(str, 0);
307 #ifdef LEVITTE_DEBUG_MEM 286 #ifdef LEVITTE_DEBUG_MEM
308 fprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\n", str); 287 fprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\n", str);
309 #endif 288 #endif
310 free_locked_func(str); 289 free_locked_func(str);
311 if (free_debug_func != NULL) 290 if (free_debug_func != NULL)
312 free_debug_func(NULL, 1); 291 free_debug_func(NULL, 1);
313 } 292 }
314 293
315 void *CRYPTO_malloc(int num, const char *file, int line) 294 void *CRYPTO_malloc(int num, const char *file, int line)
316 { 295 {
317 void *ret = NULL; 296 void *ret = NULL;
318 extern unsigned char cleanse_ctr;
319 297
320 if (num <= 0) return NULL; 298 if (num <= 0) return NULL;
321 299
322 allow_customize = 0; 300 allow_customize = 0;
323 if (malloc_debug_func != NULL) 301 if (malloc_debug_func != NULL)
324 { 302 {
325 allow_customize_debug = 0; 303 allow_customize_debug = 0;
326 malloc_debug_func(NULL, num, file, line, 0); 304 malloc_debug_func(NULL, num, file, line, 0);
327 } 305 }
328 ret = malloc_ex_func(num,file,line); 306 ret = malloc_ex_func(num,file,line);
329 #ifdef LEVITTE_DEBUG_MEM 307 #ifdef LEVITTE_DEBUG_MEM
330 fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num); 308 fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num);
331 #endif 309 #endif
332 if (malloc_debug_func != NULL) 310 if (malloc_debug_func != NULL)
333 malloc_debug_func(ret, num, file, line, 1); 311 malloc_debug_func(ret, num, file, line, 1);
334 312
313 #ifndef OPENSSL_CPUID_OBJ
335 /* Create a dependency on the value of 'cleanse_ctr' so our memory 314 /* Create a dependency on the value of 'cleanse_ctr' so our memory
336 * sanitisation function can't be optimised out. NB: We only do 315 * sanitisation function can't be optimised out. NB: We only do
337 * this for >2Kb so the overhead doesn't bother us. */ 316 * this for >2Kb so the overhead doesn't bother us. */
338 if(ret && (num > 2048)) 317 if(ret && (num > 2048))
318 { extern unsigned char cleanse_ctr;
339 ((unsigned char *)ret)[0] = cleanse_ctr; 319 ((unsigned char *)ret)[0] = cleanse_ctr;
320 }
321 #endif
340 322
341 return ret; 323 return ret;
342 } 324 }
325 char *CRYPTO_strdup(const char *str, const char *file, int line)
326 {
327 char *ret = CRYPTO_malloc(strlen(str)+1, file, line);
328
329 strcpy(ret, str);
330 return ret;
331 }
343 332
344 void *CRYPTO_realloc(void *str, int num, const char *file, int line) 333 void *CRYPTO_realloc(void *str, int num, const char *file, int line)
345 { 334 {
346 void *ret = NULL; 335 void *ret = NULL;
347 336
348 if (str == NULL) 337 if (str == NULL)
349 return CRYPTO_malloc(num, file, line); 338 return CRYPTO_malloc(num, file, line);
350 339
351 if (num <= 0) return NULL; 340 if (num <= 0) return NULL;
352 341
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after
416 if (set_debug_options_func != NULL) 405 if (set_debug_options_func != NULL)
417 set_debug_options_func(bits); 406 set_debug_options_func(bits);
418 } 407 }
419 408
420 long CRYPTO_get_mem_debug_options(void) 409 long CRYPTO_get_mem_debug_options(void)
421 { 410 {
422 if (get_debug_options_func != NULL) 411 if (get_debug_options_func != NULL)
423 return get_debug_options_func(); 412 return get_debug_options_func();
424 return 0; 413 return 0;
425 } 414 }
426
427 int CRYPTO_push_info_(const char *info, const char *file, int line)
428 {
429 if (push_info_func)
430 return push_info_func(info, file, line);
431 return 1;
432 }
433
434 int CRYPTO_pop_info(void)
435 {
436 if (pop_info_func)
437 return pop_info_func();
438 return 1;
439 }
440
441 int CRYPTO_remove_all_info(void)
442 {
443 if (remove_all_info_func)
444 return remove_all_info_func();
445 return 1;
446 }
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