diff options
Diffstat (limited to '')
| -rw-r--r-- | src/lib/libcrypto/mem.c | 127 |
1 files changed, 102 insertions, 25 deletions
diff --git a/src/lib/libcrypto/mem.c b/src/lib/libcrypto/mem.c index 3b5b2bbc68..effec714e8 100644 --- a/src/lib/libcrypto/mem.c +++ b/src/lib/libcrypto/mem.c | |||
| @@ -70,14 +70,36 @@ static int allow_customize_debug = 1;/* exchanging memory-related functions at | |||
| 70 | * problems when malloc/free pairs | 70 | * problems when malloc/free pairs |
| 71 | * don't match etc. */ | 71 | * don't match etc. */ |
| 72 | 72 | ||
| 73 | /* may be changed as long as `allow_customize' is set */ | 73 | |
| 74 | static void *(*malloc_locked_func)(size_t) = malloc; | 74 | |
| 75 | static void (*free_locked_func)(void *) = free; | 75 | /* the following pointers may be changed as long as 'allow_customize' is set */ |
| 76 | |||
| 76 | static void *(*malloc_func)(size_t) = malloc; | 77 | static void *(*malloc_func)(size_t) = malloc; |
| 78 | static void *default_malloc_ex(size_t num, const char *file, int line) | ||
| 79 | { return malloc_func(num); } | ||
| 80 | static void *(*malloc_ex_func)(size_t, const char *file, int line) | ||
| 81 | = default_malloc_ex; | ||
| 82 | |||
| 77 | static void *(*realloc_func)(void *, size_t)= realloc; | 83 | static void *(*realloc_func)(void *, size_t)= realloc; |
| 84 | static void *default_realloc_ex(void *str, size_t num, | ||
| 85 | const char *file, int line) | ||
| 86 | { return realloc_func(str,num); } | ||
| 87 | static void *(*realloc_ex_func)(void *, size_t, const char *file, int line) | ||
| 88 | = default_realloc_ex; | ||
| 89 | |||
| 78 | static void (*free_func)(void *) = free; | 90 | static void (*free_func)(void *) = free; |
| 79 | 91 | ||
| 80 | /* may be changed as long as `allow_customize_debug' is set */ | 92 | static void *(*malloc_locked_func)(size_t) = malloc; |
| 93 | static void *default_malloc_locked_ex(size_t num, const char *file, int line) | ||
| 94 | { return malloc_locked_func(num); } | ||
| 95 | static void *(*malloc_locked_ex_func)(size_t, const char *file, int line) | ||
| 96 | = default_malloc_locked_ex; | ||
| 97 | |||
| 98 | static void (*free_locked_func)(void *) = free; | ||
| 99 | |||
| 100 | |||
| 101 | |||
| 102 | /* may be changed as long as 'allow_customize_debug' is set */ | ||
| 81 | /* XXX use correct function pointer types */ | 103 | /* XXX use correct function pointer types */ |
| 82 | #ifdef CRYPTO_MDEBUG | 104 | #ifdef CRYPTO_MDEBUG |
| 83 | /* use default functions from mem_dbg.c */ | 105 | /* use default functions from mem_dbg.c */ |
| @@ -105,12 +127,29 @@ int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), | |||
| 105 | { | 127 | { |
| 106 | if (!allow_customize) | 128 | if (!allow_customize) |
| 107 | return 0; | 129 | return 0; |
| 108 | if ((m == NULL) || (r == NULL) || (f == NULL)) | 130 | if ((m == 0) || (r == 0) || (f == 0)) |
| 131 | return 0; | ||
| 132 | malloc_func=m; malloc_ex_func=default_malloc_ex; | ||
| 133 | realloc_func=r; realloc_ex_func=default_realloc_ex; | ||
| 134 | free_func=f; | ||
| 135 | malloc_locked_func=m; malloc_locked_ex_func=default_malloc_locked_ex; | ||
| 136 | free_locked_func=f; | ||
| 137 | return 1; | ||
| 138 | } | ||
| 139 | |||
| 140 | int CRYPTO_set_mem_ex_functions( | ||
| 141 | void *(*m)(size_t,const char *,int), | ||
| 142 | void *(*r)(void *, size_t,const char *,int), | ||
| 143 | void (*f)(void *)) | ||
| 144 | { | ||
| 145 | if (!allow_customize) | ||
| 146 | return 0; | ||
| 147 | if ((m == 0) || (r == 0) || (f == 0)) | ||
| 109 | return 0; | 148 | return 0; |
| 110 | malloc_func=m; | 149 | malloc_func=0; malloc_ex_func=m; |
| 111 | realloc_func=r; | 150 | realloc_func=0; realloc_ex_func=r; |
| 112 | free_func=f; | 151 | free_func=f; |
| 113 | malloc_locked_func=m; | 152 | malloc_locked_func=0; malloc_locked_ex_func=m; |
| 114 | free_locked_func=f; | 153 | free_locked_func=f; |
| 115 | return 1; | 154 | return 1; |
| 116 | } | 155 | } |
| @@ -121,11 +160,24 @@ int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*f)(void *)) | |||
| 121 | return 0; | 160 | return 0; |
| 122 | if ((m == NULL) || (f == NULL)) | 161 | if ((m == NULL) || (f == NULL)) |
| 123 | return 0; | 162 | return 0; |
| 124 | malloc_locked_func=m; | 163 | malloc_locked_func=m; malloc_locked_ex_func=default_malloc_locked_ex; |
| 125 | free_locked_func=f; | 164 | free_locked_func=f; |
| 126 | return 1; | 165 | return 1; |
| 127 | } | 166 | } |
| 128 | 167 | ||
| 168 | int CRYPTO_set_locked_mem_ex_functions( | ||
| 169 | void *(*m)(size_t,const char *,int), | ||
| 170 | void (*f)(void *)) | ||
| 171 | { | ||
| 172 | if (!allow_customize) | ||
| 173 | return 0; | ||
| 174 | if ((m == NULL) || (f == NULL)) | ||
| 175 | return 0; | ||
| 176 | malloc_locked_func=0; malloc_locked_ex_func=m; | ||
| 177 | free_func=f; | ||
| 178 | return 1; | ||
| 179 | } | ||
| 180 | |||
| 129 | int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int), | 181 | int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int), |
| 130 | void (*r)(void *,void *,int,const char *,int,int), | 182 | void (*r)(void *,void *,int,const char *,int,int), |
| 131 | void (*f)(void *,int), | 183 | void (*f)(void *,int), |
| @@ -142,17 +194,42 @@ int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int), | |||
| 142 | return 1; | 194 | return 1; |
| 143 | } | 195 | } |
| 144 | 196 | ||
| 197 | |||
| 145 | 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), |
| 146 | void (**f)(void *)) | 199 | void (**f)(void *)) |
| 147 | { | 200 | { |
| 148 | if (m != NULL) *m=malloc_func; | 201 | if (m != NULL) *m = (malloc_ex_func == default_malloc_ex) ? |
| 149 | if (r != NULL) *r=realloc_func; | 202 | malloc_func : 0; |
| 203 | if (r != NULL) *r = (realloc_ex_func == default_realloc_ex) ? | ||
| 204 | realloc_func : 0; | ||
| 205 | if (f != NULL) *f=free_func; | ||
| 206 | } | ||
| 207 | |||
| 208 | void CRYPTO_get_mem_ex_functions( | ||
| 209 | void *(**m)(size_t,const char *,int), | ||
| 210 | void *(**r)(void *, size_t,const char *,int), | ||
| 211 | void (**f)(void *)) | ||
| 212 | { | ||
| 213 | if (m != NULL) *m = (malloc_ex_func != default_malloc_ex) ? | ||
| 214 | malloc_ex_func : 0; | ||
| 215 | if (r != NULL) *r = (realloc_ex_func != default_realloc_ex) ? | ||
| 216 | realloc_ex_func : 0; | ||
| 150 | if (f != NULL) *f=free_func; | 217 | if (f != NULL) *f=free_func; |
| 151 | } | 218 | } |
| 152 | 219 | ||
| 153 | void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *)) | 220 | void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *)) |
| 154 | { | 221 | { |
| 155 | if (m != NULL) *m=malloc_locked_func; | 222 | if (m != NULL) *m = (malloc_locked_ex_func == default_malloc_locked_ex) ? |
| 223 | malloc_locked_func : 0; | ||
| 224 | if (f != NULL) *f=free_locked_func; | ||
| 225 | } | ||
| 226 | |||
| 227 | void CRYPTO_get_locked_mem_ex_functions( | ||
| 228 | void *(**m)(size_t,const char *,int), | ||
| 229 | void (**f)(void *)) | ||
| 230 | { | ||
| 231 | if (m != NULL) *m = (malloc_locked_ex_func != default_malloc_locked_ex) ? | ||
| 232 | malloc_locked_ex_func : 0; | ||
| 156 | if (f != NULL) *f=free_locked_func; | 233 | if (f != NULL) *f=free_locked_func; |
| 157 | } | 234 | } |
| 158 | 235 | ||
| @@ -180,9 +257,9 @@ void *CRYPTO_malloc_locked(int num, const char *file, int line) | |||
| 180 | allow_customize_debug = 0; | 257 | allow_customize_debug = 0; |
| 181 | malloc_debug_func(NULL, num, file, line, 0); | 258 | malloc_debug_func(NULL, num, file, line, 0); |
| 182 | } | 259 | } |
| 183 | ret = malloc_locked_func(num); | 260 | ret = malloc_locked_ex_func(num,file,line); |
| 184 | #ifdef LEVITTE_DEBUG | 261 | #ifdef LEVITTE_DEBUG_MEM |
| 185 | fprintf(stderr, "LEVITTE_DEBUG: > 0x%p (%d)\n", ret, num); | 262 | fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num); |
| 186 | #endif | 263 | #endif |
| 187 | if (malloc_debug_func != NULL) | 264 | if (malloc_debug_func != NULL) |
| 188 | malloc_debug_func(ret, num, file, line, 1); | 265 | malloc_debug_func(ret, num, file, line, 1); |
| @@ -194,8 +271,8 @@ void CRYPTO_free_locked(void *str) | |||
| 194 | { | 271 | { |
| 195 | if (free_debug_func != NULL) | 272 | if (free_debug_func != NULL) |
| 196 | free_debug_func(str, 0); | 273 | free_debug_func(str, 0); |
| 197 | #ifdef LEVITTE_DEBUG | 274 | #ifdef LEVITTE_DEBUG_MEM |
| 198 | fprintf(stderr, "LEVITTE_DEBUG: < 0x%p\n", str); | 275 | fprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\n", str); |
| 199 | #endif | 276 | #endif |
| 200 | free_locked_func(str); | 277 | free_locked_func(str); |
| 201 | if (free_debug_func != NULL) | 278 | if (free_debug_func != NULL) |
| @@ -212,9 +289,9 @@ void *CRYPTO_malloc(int num, const char *file, int line) | |||
| 212 | allow_customize_debug = 0; | 289 | allow_customize_debug = 0; |
| 213 | malloc_debug_func(NULL, num, file, line, 0); | 290 | malloc_debug_func(NULL, num, file, line, 0); |
| 214 | } | 291 | } |
| 215 | ret = malloc_func(num); | 292 | ret = malloc_ex_func(num,file,line); |
| 216 | #ifdef LEVITTE_DEBUG | 293 | #ifdef LEVITTE_DEBUG_MEM |
| 217 | fprintf(stderr, "LEVITTE_DEBUG: > 0x%p (%d)\n", ret, num); | 294 | fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num); |
| 218 | #endif | 295 | #endif |
| 219 | if (malloc_debug_func != NULL) | 296 | if (malloc_debug_func != NULL) |
| 220 | malloc_debug_func(ret, num, file, line, 1); | 297 | malloc_debug_func(ret, num, file, line, 1); |
| @@ -228,9 +305,9 @@ void *CRYPTO_realloc(void *str, int num, const char *file, int line) | |||
| 228 | 305 | ||
| 229 | if (realloc_debug_func != NULL) | 306 | if (realloc_debug_func != NULL) |
| 230 | realloc_debug_func(str, NULL, num, file, line, 0); | 307 | realloc_debug_func(str, NULL, num, file, line, 0); |
| 231 | ret = realloc_func(str,num); | 308 | ret = realloc_ex_func(str,num,file,line); |
| 232 | #ifdef LEVITTE_DEBUG | 309 | #ifdef LEVITTE_DEBUG_MEM |
| 233 | fprintf(stderr, "LEVITTE_DEBUG: | 0x%p -> 0x%p (%d)\n", str, ret, num); | 310 | fprintf(stderr, "LEVITTE_DEBUG_MEM: | 0x%p -> 0x%p (%d)\n", str, ret, num); |
| 234 | #endif | 311 | #endif |
| 235 | if (realloc_debug_func != NULL) | 312 | if (realloc_debug_func != NULL) |
| 236 | realloc_debug_func(str, ret, num, file, line, 1); | 313 | realloc_debug_func(str, ret, num, file, line, 1); |
| @@ -242,8 +319,8 @@ void CRYPTO_free(void *str) | |||
| 242 | { | 319 | { |
| 243 | if (free_debug_func != NULL) | 320 | if (free_debug_func != NULL) |
| 244 | free_debug_func(str, 0); | 321 | free_debug_func(str, 0); |
| 245 | #ifdef LEVITTE_DEBUG | 322 | #ifdef LEVITTE_DEBUG_MEM |
| 246 | fprintf(stderr, "LEVITTE_DEBUG: < 0x%p\n", str); | 323 | fprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\n", str); |
| 247 | #endif | 324 | #endif |
| 248 | free_func(str); | 325 | free_func(str); |
| 249 | if (free_debug_func != NULL) | 326 | if (free_debug_func != NULL) |
