1 |
/* |
2 |
* Copyright (C) 1998,1999,2000,2001 Nikos Mavroyanopoulos |
3 |
* |
4 |
* This library is free software; you can redistribute it and/or modify it |
5 |
* under the terms of the GNU Library General Public License as published |
6 |
* by the Free Software Foundation; either version 2 of the License, or |
7 |
* (at your option) any later version. |
8 |
* |
9 |
* This library is distributed in the hope that it will be useful, |
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 |
* Library General Public License for more details. |
13 |
* |
14 |
* You should have received a copy of the GNU Library General Public |
15 |
* License along with this library; if not, write to the |
16 |
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
17 |
* Boston, MA 02111-1307, USA. |
18 |
*/ |
19 |
|
20 |
#ifndef LIBDEFS_H |
21 |
#define LIBDEFS_H |
22 |
#include <libdefs.h> |
23 |
#endif |
24 |
#include <bzero.h> |
25 |
#include <mcrypt_internal.h> |
26 |
#include <xmemory.h> |
27 |
|
28 |
#ifndef DEBUG |
29 |
# define fputs(x, y) |
30 |
#endif |
31 |
|
32 |
extern const mcrypt_preloaded mps[]; |
33 |
|
34 |
#define MAX_MOD_SIZE 1024 |
35 |
|
36 |
static int mcrypt_strcmp( const char* str1, const char* str2) { |
37 |
int i; |
38 |
int len; |
39 |
if (strlen(str1)!=strlen(str2)) return -1; |
40 |
len = strlen(str1); |
41 |
|
42 |
for (i=0;i<len;i++) { |
43 |
if (str1[i]=='_' && str2[i]=='-') continue; |
44 |
if (str2[i]=='_' && str1[i]=='-') continue; |
45 |
if (str1[i]!=str2[i]) return -1; |
46 |
} |
47 |
|
48 |
return 0; |
49 |
} |
50 |
|
51 |
lt_ptr _mcrypt_search_symlist_lib(const char* name) { |
52 |
int i=0; |
53 |
|
54 |
while( mps[i].name!=0 || mps[i].address!=0) { |
55 |
if (mps[i].name!=NULL && mps[i].address==NULL) { |
56 |
if (mcrypt_strcmp(name, mps[i].name)==0) { |
57 |
return (void*) -1; |
58 |
} |
59 |
} |
60 |
i++; |
61 |
} |
62 |
return NULL; |
63 |
} |
64 |
|
65 |
lt_ptr _mcrypt_search_symlist_sym(mcrypt_dlhandle handle, const char* _name) { |
66 |
int i=0; |
67 |
char name[MAX_MOD_SIZE]; |
68 |
|
69 |
strcpy(name, handle.name); |
70 |
|
71 |
strcat( name, "_LTX_"); |
72 |
strcat( name, _name); |
73 |
|
74 |
while( mps[i].name!=0 || mps[i].address!=0) { |
75 |
if (mps[i].name!=NULL) { |
76 |
if (mcrypt_strcmp(name, mps[i].name)==0) { |
77 |
return mps[i].address; |
78 |
} |
79 |
} |
80 |
i++; |
81 |
} |
82 |
return NULL; |
83 |
} |
84 |
|
85 |
void mcrypt_dlclose( mcrypt_dlhandle handle) { |
86 |
void* mod = handle.handle; |
87 |
|
88 |
if (mod!=MCRYPT_INTERNAL_HANDLER && mod!=NULL) |
89 |
lt_dlclose(mod); |
90 |
handle.handle = NULL; |
91 |
} |
92 |
|
93 |
lt_ptr mcrypt_dlsym( mcrypt_dlhandle handle, char* str) { |
94 |
void* mod; |
95 |
|
96 |
mod = handle.handle; |
97 |
|
98 |
if (mod!=MCRYPT_INTERNAL_HANDLER) |
99 |
return lt_dlsym(mod, str); |
100 |
else |
101 |
return _mcrypt_search_symlist_sym(handle, str); |
102 |
|
103 |
} |
104 |
|
105 |
WIN32DLL_DEFINE |
106 |
int mcrypt_module_close(MCRYPT td) |
107 |
{ |
108 |
if (td==NULL) return MCRYPT_UNKNOWN_ERROR; |
109 |
|
110 |
mcrypt_dlclose(td->algorithm_handle); |
111 |
mcrypt_dlclose(td->mode_handle); |
112 |
if (lt_dlexit() != 0) { |
113 |
return MCRYPT_UNKNOWN_ERROR; |
114 |
} |
115 |
|
116 |
td->m_encrypt = NULL; |
117 |
td->a_encrypt = NULL; |
118 |
td->a_decrypt = NULL; |
119 |
td->m_decrypt = NULL; |
120 |
|
121 |
free(td); |
122 |
|
123 |
return 0; |
124 |
} |
125 |
|
126 |
|
127 |
WIN32DLL_DEFINE |
128 |
void* mcrypt_dlopen ( mcrypt_dlhandle* handle, const char* a_directory, const char *m_directory, const char *filename) { |
129 |
|
130 |
char paths[1526]; |
131 |
|
132 |
if (strlen(filename) > sizeof( handle->name)) |
133 |
return MCRYPT_FAILED; |
134 |
else |
135 |
strcpy( handle->name, filename); |
136 |
|
137 |
if (_mcrypt_search_symlist_lib(filename)!=NULL) { |
138 |
handle->handle = MCRYPT_INTERNAL_HANDLER; |
139 |
return handle->handle; |
140 |
} |
141 |
|
142 |
memset( paths, 0, 1024); |
143 |
if (a_directory != NULL) { |
144 |
strncat( paths, a_directory, 512); |
145 |
strcat( paths, ":"); |
146 |
} |
147 |
if (m_directory != NULL) { |
148 |
strncat( paths, m_directory, 512); |
149 |
strcat( paths, ":"); |
150 |
} |
151 |
strncat( paths, LIBDIR, 512); |
152 |
|
153 |
lt_dlsetsearchpath(paths); |
154 |
|
155 |
handle->handle = lt_dlopenext(filename); |
156 |
|
157 |
return handle->handle; |
158 |
|
159 |
} |
160 |
|
161 |
WIN32DLL_DEFINE |
162 |
MCRYPT mcrypt_module_open(char *algorithm, |
163 |
char *a_directory, char *mode, char *m_directory) |
164 |
{ |
165 |
MCRYPT td; |
166 |
const char* err; |
167 |
void *ret; |
168 |
|
169 |
td = calloc(1, sizeof(CRYPT_STREAM)); |
170 |
if (td==NULL) return MCRYPT_FAILED; |
171 |
|
172 |
if (lt_dlinit() != 0) { |
173 |
return MCRYPT_FAILED; |
174 |
} |
175 |
|
176 |
ret = mcrypt_dlopen( &td->algorithm_handle, a_directory, m_directory, algorithm); |
177 |
if (ret == NULL) { |
178 |
err=lt_dlerror(); |
179 |
if (err!=NULL) fputs( err, stderr); |
180 |
fputs("\n", stderr); |
181 |
free(td); |
182 |
return MCRYPT_FAILED; |
183 |
} |
184 |
|
185 |
ret = mcrypt_dlopen( &td->mode_handle, a_directory, m_directory, mode); |
186 |
|
187 |
if (ret == NULL) { |
188 |
err=lt_dlerror(); |
189 |
if (err!=NULL) fputs( err, stderr); |
190 |
mcrypt_dlclose(td->algorithm_handle); |
191 |
free(td); |
192 |
return MCRYPT_FAILED; |
193 |
} |
194 |
|
195 |
td->a_encrypt = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_encrypt"); |
196 |
td->a_decrypt = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_decrypt"); |
197 |
td->m_encrypt = mcrypt_dlsym(td->mode_handle, "_mcrypt"); |
198 |
td->m_decrypt = mcrypt_dlsym(td->mode_handle, "_mdecrypt"); |
199 |
td->a_block_size = |
200 |
mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_block_size"); |
201 |
|
202 |
if (mcrypt_enc_is_block_algorithm_mode(td) != |
203 |
mcrypt_enc_is_block_algorithm(td)) { |
204 |
mcrypt_module_close(td); |
205 |
return MCRYPT_FAILED; |
206 |
} |
207 |
|
208 |
return td; |
209 |
} |
210 |
|
211 |
|
212 |
|
213 |
/* Modules' frontends */ |
214 |
|
215 |
WIN32DLL_DEFINE |
216 |
int mcrypt_get_size(MCRYPT td) |
217 |
{ |
218 |
int (*_mcrypt_get_size) (void); |
219 |
|
220 |
const char *error; |
221 |
|
222 |
_mcrypt_get_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_size"); |
223 |
if (_mcrypt_get_size == NULL) { |
224 |
error = lt_dlerror(); |
225 |
if (error!=NULL) fputs(error, stderr); |
226 |
fputs("\n", stderr); |
227 |
return MCRYPT_UNKNOWN_ERROR; |
228 |
} |
229 |
return _mcrypt_get_size(); |
230 |
} |
231 |
|
232 |
WIN32DLL_DEFINE |
233 |
int mcrypt_mode_get_size(MCRYPT td) |
234 |
{ |
235 |
int (*_mcrypt_get_size) (void); |
236 |
|
237 |
const char *error; |
238 |
|
239 |
_mcrypt_get_size = mcrypt_dlsym(td->mode_handle, "_mcrypt_mode_get_size"); |
240 |
if (_mcrypt_get_size == NULL) { |
241 |
error = lt_dlerror(); |
242 |
if (error!=NULL) fputs(error, stderr); |
243 |
fputs("\n", stderr); |
244 |
return MCRYPT_UNKNOWN_ERROR; |
245 |
} |
246 |
return _mcrypt_get_size(); |
247 |
} |
248 |
|
249 |
WIN32DLL_DEFINE |
250 |
int mcrypt_set_key(MCRYPT td, void *a, void *b, int c, void *d, int e) |
251 |
{ |
252 |
int (*__mcrypt_set_key_stream) (void *, void *, int, void *, int); |
253 |
int (*__mcrypt_set_key_block) (void *, void *, int); |
254 |
const char *error; |
255 |
|
256 |
if (mcrypt_enc_is_block_algorithm(td) == 0) { |
257 |
/* stream */ |
258 |
__mcrypt_set_key_stream = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
259 |
if (__mcrypt_set_key_stream == NULL) { |
260 |
error = lt_dlerror(); |
261 |
if (error!=NULL) fputs(error, stderr); |
262 |
fputs("\n", stderr); |
263 |
return -2; |
264 |
} |
265 |
return __mcrypt_set_key_stream(a, b, c, d, e); |
266 |
} else { |
267 |
__mcrypt_set_key_block = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
268 |
if (__mcrypt_set_key_block == NULL) { |
269 |
error = lt_dlerror(); |
270 |
if (error!=NULL) fputs(error, stderr); |
271 |
fputs("\n", stderr); |
272 |
return -2; |
273 |
} |
274 |
return __mcrypt_set_key_block(a, b, c); |
275 |
} |
276 |
} |
277 |
|
278 |
WIN32DLL_DEFINE |
279 |
int mcrypt_enc_set_state(MCRYPT td, void *iv, int size) |
280 |
{ |
281 |
int (*__mcrypt_set_state) (void *, void *, int); |
282 |
const char *error; |
283 |
|
284 |
__mcrypt_set_state = mcrypt_dlsym(td->mode_handle, "_mcrypt_set_state"); |
285 |
if (__mcrypt_set_state==NULL) { |
286 |
error = lt_dlerror(); |
287 |
if (error!=NULL) fputs(error, stderr); |
288 |
fputs("\n", stderr); |
289 |
return MCRYPT_UNKNOWN_ERROR; |
290 |
} |
291 |
return __mcrypt_set_state(td->abuf, iv, size); |
292 |
} |
293 |
|
294 |
WIN32DLL_DEFINE |
295 |
int mcrypt_enc_get_block_size(MCRYPT td) |
296 |
{ |
297 |
int (*_mcrypt_get_block_size) (void); |
298 |
|
299 |
_mcrypt_get_block_size = td->a_block_size; |
300 |
return _mcrypt_get_block_size(); |
301 |
} |
302 |
|
303 |
WIN32DLL_DEFINE |
304 |
int mcrypt_get_algo_iv_size(MCRYPT td) |
305 |
{ |
306 |
int (*_mcrypt_get_algo_iv_size) (void); |
307 |
|
308 |
_mcrypt_get_algo_iv_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_algo_iv_size"); |
309 |
return _mcrypt_get_algo_iv_size(); |
310 |
} |
311 |
|
312 |
WIN32DLL_DEFINE |
313 |
int mcrypt_enc_get_iv_size(MCRYPT td) |
314 |
{ |
315 |
if (mcrypt_enc_is_block_algorithm_mode(td) == 1) { |
316 |
return mcrypt_enc_get_block_size(td); |
317 |
} else { |
318 |
return mcrypt_get_algo_iv_size(td); |
319 |
} |
320 |
} |
321 |
|
322 |
WIN32DLL_DEFINE |
323 |
int mcrypt_enc_get_key_size(MCRYPT td) |
324 |
{ |
325 |
int (*_mcrypt_get_key_size) (void); |
326 |
|
327 |
_mcrypt_get_key_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_key_size"); |
328 |
return _mcrypt_get_key_size(); |
329 |
} |
330 |
|
331 |
WIN32DLL_DEFINE |
332 |
int *mcrypt_enc_get_supported_key_sizes(MCRYPT td, int *len) |
333 |
{ |
334 |
int *(*_mcrypt_get_key_sizes) (int *); |
335 |
int *size, *ret; |
336 |
|
337 |
_mcrypt_get_key_sizes = |
338 |
mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_supported_key_sizes"); |
339 |
size = _mcrypt_get_key_sizes(len); |
340 |
|
341 |
ret = NULL; |
342 |
if (size!=NULL && (*len) != 0) { |
343 |
ret = malloc( sizeof(int)*(*len)); |
344 |
if (ret==NULL) return NULL; |
345 |
memcpy( ret, size, sizeof(int)*(*len)); |
346 |
} |
347 |
return ret; |
348 |
} |
349 |
|
350 |
WIN32DLL_DEFINE |
351 |
int mcrypt_enc_is_block_algorithm(MCRYPT td) |
352 |
{ |
353 |
int (*_is_block_algorithm) (void); |
354 |
|
355 |
_is_block_algorithm = mcrypt_dlsym(td->algorithm_handle, "_is_block_algorithm"); |
356 |
return _is_block_algorithm(); |
357 |
} |
358 |
|
359 |
WIN32DLL_DEFINE |
360 |
char *mcrypt_enc_get_algorithms_name(MCRYPT td) |
361 |
{ |
362 |
const char *(*_mcrypt_get_algorithms_name) (void); |
363 |
|
364 |
_mcrypt_get_algorithms_name = |
365 |
mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_algorithms_name"); |
366 |
return strdup(_mcrypt_get_algorithms_name()); |
367 |
} |
368 |
|
369 |
WIN32DLL_DEFINE |
370 |
int init_mcrypt(MCRYPT td, void *buf, void *a, int b, void *c) |
371 |
{ |
372 |
int (*_init_mcrypt) (void *, void *, int, void *, int); |
373 |
|
374 |
_init_mcrypt = mcrypt_dlsym(td->mode_handle, "_init_mcrypt"); |
375 |
return _init_mcrypt(buf, a, b, c, mcrypt_enc_get_block_size(td)); |
376 |
} |
377 |
|
378 |
WIN32DLL_DEFINE |
379 |
int end_mcrypt(MCRYPT td, void *buf) |
380 |
{ |
381 |
int (*_end_mcrypt) (void *); |
382 |
|
383 |
_end_mcrypt = mcrypt_dlsym(td->mode_handle, "_end_mcrypt"); |
384 |
return _end_mcrypt(buf); |
385 |
} |
386 |
|
387 |
WIN32DLL_DEFINE |
388 |
int mcrypt(MCRYPT td, void *buf, void *a, int b) |
389 |
{ |
390 |
int (*_mcrypt) (void *, void *, int, int, void *, void *, void*); |
391 |
_mcrypt = td->m_encrypt; |
392 |
|
393 |
return _mcrypt(buf, a, b, mcrypt_enc_get_block_size(td), td->akey, |
394 |
td->a_encrypt, td->a_decrypt); |
395 |
} |
396 |
|
397 |
WIN32DLL_DEFINE |
398 |
int mdecrypt(MCRYPT td, void *buf, void *a, int b) |
399 |
{ |
400 |
int (*_mdecrypt) (void *, void *, int, int, void *, void *, void*); |
401 |
|
402 |
_mdecrypt = td->m_decrypt; |
403 |
return _mdecrypt(buf, a, b, mcrypt_enc_get_block_size(td), |
404 |
td->akey, td->a_encrypt, td->a_decrypt); |
405 |
} |
406 |
|
407 |
WIN32DLL_DEFINE |
408 |
char *mcrypt_enc_get_modes_name(MCRYPT td) |
409 |
{ |
410 |
const char *(*_mcrypt_get_modes_name) (void); |
411 |
|
412 |
_mcrypt_get_modes_name = mcrypt_dlsym(td->mode_handle, "_mcrypt_get_modes_name"); |
413 |
return strdup(_mcrypt_get_modes_name()); |
414 |
} |
415 |
|
416 |
WIN32DLL_DEFINE |
417 |
int mcrypt_enc_is_block_mode(MCRYPT td) |
418 |
{ |
419 |
int (*_is_block_mode) (void); |
420 |
|
421 |
_is_block_mode = mcrypt_dlsym(td->mode_handle, "_is_block_mode"); |
422 |
return _is_block_mode(); |
423 |
} |
424 |
|
425 |
WIN32DLL_DEFINE |
426 |
int mcrypt_enc_mode_has_iv(MCRYPT td) |
427 |
{ |
428 |
int (*_has_iv) (void); |
429 |
|
430 |
_has_iv = mcrypt_dlsym(td->mode_handle, "_has_iv"); |
431 |
return _has_iv(); |
432 |
} |
433 |
|
434 |
WIN32DLL_DEFINE |
435 |
int mcrypt_enc_is_block_algorithm_mode(MCRYPT td) |
436 |
{ |
437 |
int (*_is_a_block_mode) (void); |
438 |
|
439 |
_is_a_block_mode = mcrypt_dlsym(td->mode_handle, "_is_block_algorithm_mode"); |
440 |
return _is_a_block_mode(); |
441 |
} |
442 |
|
443 |
WIN32DLL_DEFINE |
444 |
int mcrypt_enc_self_test(MCRYPT td) |
445 |
{ |
446 |
int (*_self_test) (void); |
447 |
|
448 |
_self_test = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_self_test"); |
449 |
|
450 |
return _self_test(); |
451 |
} |
452 |
|
453 |
WIN32DLL_DEFINE |
454 |
int mcrypt_module_self_test(char *algorithm, char *a_directory) |
455 |
{ |
456 |
int i; |
457 |
void* rr; |
458 |
mcrypt_dlhandle _handle; |
459 |
int (*_self_test) (void); |
460 |
const char* error; |
461 |
|
462 |
if (lt_dlinit() != 0) { |
463 |
return MCRYPT_UNKNOWN_ERROR; |
464 |
} |
465 |
|
466 |
rr = mcrypt_dlopen(&_handle, a_directory, NULL, algorithm); |
467 |
|
468 |
if (!rr) { |
469 |
error=lt_dlerror(); |
470 |
if (error!=NULL) fputs( error, stderr); |
471 |
fputs("\n", stderr); |
472 |
lt_dlexit(); |
473 |
return MCRYPT_UNKNOWN_ERROR; |
474 |
} |
475 |
|
476 |
_self_test = mcrypt_dlsym(_handle, "_mcrypt_self_test"); |
477 |
|
478 |
i = _self_test(); |
479 |
|
480 |
mcrypt_dlclose(_handle); |
481 |
if (lt_dlexit() != 0) { |
482 |
return MCRYPT_UNKNOWN_ERROR; |
483 |
} |
484 |
|
485 |
return i; |
486 |
} |
487 |
|
488 |
WIN32DLL_DEFINE |
489 |
int mcrypt_module_algorithm_version(char *algorithm, char *a_directory) |
490 |
{ |
491 |
int i; |
492 |
mcrypt_dlhandle _handle; |
493 |
int (*_version) (void); |
494 |
const char* error; |
495 |
void* rr; |
496 |
|
497 |
if (lt_dlinit() != 0) { |
498 |
return MCRYPT_UNKNOWN_ERROR; |
499 |
} |
500 |
|
501 |
rr = mcrypt_dlopen(&_handle, a_directory, NULL, algorithm); |
502 |
if (!rr) { |
503 |
error=lt_dlerror(); |
504 |
if (error!=NULL) fputs( error, stderr); |
505 |
fputs("\n", stderr); |
506 |
return MCRYPT_UNKNOWN_ERROR; |
507 |
} |
508 |
|
509 |
_version = mcrypt_dlsym(_handle, "_mcrypt_algorithm_version"); |
510 |
|
511 |
i = _version(); |
512 |
|
513 |
mcrypt_dlclose(_handle); |
514 |
if (lt_dlexit() != 0) { |
515 |
return MCRYPT_UNKNOWN_ERROR; |
516 |
} |
517 |
|
518 |
return i; |
519 |
} |
520 |
|
521 |
WIN32DLL_DEFINE |
522 |
int mcrypt_module_mode_version(char *mode, char *m_directory) |
523 |
{ |
524 |
int i; |
525 |
mcrypt_dlhandle _handle; |
526 |
int (*_version) (void); |
527 |
const char* error; |
528 |
void * rr; |
529 |
|
530 |
if (lt_dlinit() != 0) { |
531 |
return MCRYPT_UNKNOWN_ERROR; |
532 |
} |
533 |
|
534 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
535 |
if (!rr) { |
536 |
error=lt_dlerror(); |
537 |
if(error!=NULL) fputs(error, stderr); |
538 |
fputs("\n", stderr); |
539 |
return MCRYPT_UNKNOWN_ERROR; |
540 |
} |
541 |
|
542 |
_version = mcrypt_dlsym( _handle, "_mcrypt_mode_version"); |
543 |
|
544 |
i = _version(); |
545 |
|
546 |
mcrypt_dlclose(_handle); |
547 |
if (lt_dlexit() != 0) { |
548 |
return MCRYPT_UNKNOWN_ERROR; |
549 |
} |
550 |
|
551 |
return i; |
552 |
} |
553 |
|
554 |
WIN32DLL_DEFINE |
555 |
int mcrypt_module_is_block_algorithm(char *algorithm, char *a_directory) |
556 |
{ |
557 |
int i; |
558 |
mcrypt_dlhandle _handle; |
559 |
int (*_is_block_algorithm) (void); |
560 |
const char* error; |
561 |
void * rr; |
562 |
|
563 |
if (lt_dlinit() != 0) { |
564 |
return MCRYPT_UNKNOWN_ERROR; |
565 |
} |
566 |
|
567 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
568 |
if (!rr) { |
569 |
error=lt_dlerror(); |
570 |
if(error!=NULL) fputs( error, stderr); |
571 |
fputs("\n", stderr); |
572 |
return MCRYPT_UNKNOWN_ERROR; |
573 |
} |
574 |
|
575 |
_is_block_algorithm = mcrypt_dlsym(_handle, "_is_block_algorithm"); |
576 |
|
577 |
i = _is_block_algorithm(); |
578 |
|
579 |
mcrypt_dlclose(_handle); |
580 |
if (lt_dlexit() != 0) { |
581 |
return MCRYPT_UNKNOWN_ERROR; |
582 |
} |
583 |
|
584 |
return i; |
585 |
} |
586 |
|
587 |
WIN32DLL_DEFINE |
588 |
int mcrypt_module_is_block_algorithm_mode(char *mode, char *m_directory) |
589 |
{ |
590 |
int i; |
591 |
mcrypt_dlhandle _handle; |
592 |
int (*_is_a_block_mode) (void); |
593 |
const char* error; |
594 |
void * rr; |
595 |
|
596 |
if (lt_dlinit() != 0) { |
597 |
return MCRYPT_UNKNOWN_ERROR; |
598 |
} |
599 |
|
600 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
601 |
if (!rr) { |
602 |
error=lt_dlerror(); |
603 |
if(error!=NULL) fputs( error, stderr); |
604 |
fputs("\n", stderr); |
605 |
return MCRYPT_UNKNOWN_ERROR; |
606 |
} |
607 |
|
608 |
_is_a_block_mode = mcrypt_dlsym(_handle, "_is_block_algorithm_mode"); |
609 |
|
610 |
i = _is_a_block_mode(); |
611 |
|
612 |
mcrypt_dlclose(_handle); |
613 |
if (lt_dlexit() != 0) { |
614 |
return MCRYPT_UNKNOWN_ERROR; |
615 |
} |
616 |
|
617 |
return i; |
618 |
} |
619 |
|
620 |
WIN32DLL_DEFINE |
621 |
int mcrypt_module_is_block_mode(char *mode, char *m_directory) |
622 |
{ |
623 |
void * rr; |
624 |
int i; |
625 |
mcrypt_dlhandle _handle; |
626 |
int (*_is_block_mode) (void); |
627 |
const char* error; |
628 |
|
629 |
if (lt_dlinit() != 0) { |
630 |
return MCRYPT_UNKNOWN_ERROR; |
631 |
} |
632 |
|
633 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
634 |
if (!rr) { |
635 |
error=lt_dlerror(); |
636 |
if(error!=NULL) fputs( error, stderr); |
637 |
fputs("\n", stderr); |
638 |
return MCRYPT_UNKNOWN_ERROR; |
639 |
} |
640 |
|
641 |
_is_block_mode = mcrypt_dlsym(_handle, "_is_block_mode"); |
642 |
|
643 |
i = _is_block_mode(); |
644 |
|
645 |
mcrypt_dlclose(_handle); |
646 |
if (lt_dlexit() != 0) { |
647 |
return MCRYPT_UNKNOWN_ERROR; |
648 |
} |
649 |
|
650 |
return i; |
651 |
} |
652 |
|
653 |
WIN32DLL_DEFINE |
654 |
int mcrypt_module_get_algo_block_size(char *algorithm, char *a_directory) |
655 |
{ |
656 |
int i; |
657 |
mcrypt_dlhandle _handle; |
658 |
int (*_get_block_size) (void); |
659 |
const char* error; |
660 |
void * rr; |
661 |
|
662 |
if (lt_dlinit() != 0) { |
663 |
return MCRYPT_UNKNOWN_ERROR; |
664 |
} |
665 |
|
666 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
667 |
if (!rr) { |
668 |
error=lt_dlerror(); |
669 |
if(error!=NULL) fputs( error, stderr); |
670 |
fputs("\n", stderr); |
671 |
return MCRYPT_UNKNOWN_ERROR; |
672 |
} |
673 |
|
674 |
_get_block_size = mcrypt_dlsym(_handle, "_mcrypt_get_block_size"); |
675 |
|
676 |
i = _get_block_size(); |
677 |
|
678 |
mcrypt_dlclose(_handle); |
679 |
if (lt_dlexit() != 0) { |
680 |
return MCRYPT_UNKNOWN_ERROR; |
681 |
} |
682 |
|
683 |
return i; |
684 |
} |
685 |
|
686 |
WIN32DLL_DEFINE |
687 |
int mcrypt_module_get_algo_key_size(char *algorithm, char *a_directory) |
688 |
{ |
689 |
int i; |
690 |
mcrypt_dlhandle _handle; |
691 |
int (*_get_key_size) (void); |
692 |
const char* error; |
693 |
void * rr; |
694 |
|
695 |
if (lt_dlinit() != 0) { |
696 |
return MCRYPT_UNKNOWN_ERROR; |
697 |
} |
698 |
|
699 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
700 |
if (!rr) { |
701 |
error=lt_dlerror(); |
702 |
if(error!=NULL) fputs( error, stderr); |
703 |
fputs("\n", stderr); |
704 |
return MCRYPT_UNKNOWN_ERROR; |
705 |
} |
706 |
|
707 |
_get_key_size = mcrypt_dlsym(_handle, "_mcrypt_get_key_size"); |
708 |
|
709 |
i = _get_key_size(); |
710 |
|
711 |
mcrypt_dlclose(_handle); |
712 |
if (lt_dlexit() != 0) { |
713 |
return MCRYPT_UNKNOWN_ERROR; |
714 |
} |
715 |
|
716 |
return i; |
717 |
} |
718 |
|
719 |
WIN32DLL_DEFINE |
720 |
int *mcrypt_module_get_algo_supported_key_sizes(char *algorithm, |
721 |
char *a_directory, |
722 |
int *len) |
723 |
{ |
724 |
mcrypt_dlhandle _handle; |
725 |
const int *(*_mcrypt_get_key_sizes) (int *); |
726 |
int *size; |
727 |
int * ret_size; |
728 |
const char* error; |
729 |
void * rr; |
730 |
|
731 |
if (lt_dlinit() != 0) { |
732 |
*len = 0; |
733 |
return NULL; |
734 |
} |
735 |
|
736 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
737 |
if (!rr) { |
738 |
error=lt_dlerror(); |
739 |
if(error!=NULL) fputs( error, stderr); |
740 |
fputs("\n", stderr); |
741 |
*len = 0; |
742 |
return NULL; |
743 |
} |
744 |
|
745 |
_mcrypt_get_key_sizes = |
746 |
mcrypt_dlsym(_handle, "_mcrypt_get_supported_key_sizes"); |
747 |
|
748 |
ret_size = NULL; |
749 |
size = _mcrypt_get_key_sizes(len); |
750 |
if (*len!=0 && size!=NULL) { |
751 |
ret_size = malloc( (*len)*sizeof(int)); |
752 |
if (ret_size!=NULL) { |
753 |
memcpy( ret_size, size, (*len)*sizeof(int)); |
754 |
} |
755 |
} |
756 |
|
757 |
mcrypt_dlclose(_handle); |
758 |
if (lt_dlexit() != 0) { |
759 |
return NULL; |
760 |
} |
761 |
|
762 |
return ret_size; |
763 |
} |