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nmav |
1.1 |
/* |
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nmav |
1.20 |
* Copyright (C) 1998,1999,2000,2001 Nikos Mavroyanopoulos |
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nmav |
1.1 |
* |
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* This library is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Library General Public License as published |
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* by the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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#ifndef LIBDEFS_H |
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#define LIBDEFS_H |
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#include <libdefs.h> |
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#endif |
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#include <bzero.h> |
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#include <mcrypt_internal.h> |
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#include <xmemory.h> |
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nmav |
1.16 |
#ifndef DEBUG |
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1.17 |
# define fputs(x, y) |
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1.1 |
#endif |
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nmav |
1.18 |
extern const mcrypt_preloaded mps[]; |
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1.17 |
|
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#define MAX_MOD_SIZE 1024 |
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nmav |
1.19 |
static int mcrypt_strcmp( const char* str1, const char* str2) { |
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int i; |
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int len; |
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if (strlen(str1)!=strlen(str2)) return -1; |
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len = strlen(str1); |
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for (i=0;i<len;i++) { |
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if (str1[i]=='_' && str2[i]=='-') continue; |
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if (str2[i]=='_' && str1[i]=='-') continue; |
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if (str1[i]!=str2[i]) return -1; |
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} |
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return 0; |
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} |
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1.20 |
lt_ptr _mcrypt_search_symlist_lib(const char* name) { |
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1.17 |
int i=0; |
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1.18 |
while( mps[i].name!=0 || mps[i].address!=0) { |
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if (mps[i].name!=NULL && mps[i].address==NULL) { |
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nmav |
1.19 |
if (mcrypt_strcmp(name, mps[i].name)==0) { |
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1.17 |
return (void*) -1; |
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} |
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} |
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i++; |
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} |
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return NULL; |
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} |
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1.20 |
lt_ptr _mcrypt_search_symlist_sym(mcrypt_dlhandle handle, const char* _name) { |
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1.17 |
int i=0; |
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char name[MAX_MOD_SIZE]; |
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strcpy(name, handle.name); |
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strcat( name, "_LTX_"); |
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strcat( name, _name); |
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nmav |
1.18 |
while( mps[i].name!=0 || mps[i].address!=0) { |
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if (mps[i].name!=NULL) { |
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1.19 |
if (mcrypt_strcmp(name, mps[i].name)==0) { |
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1.18 |
return mps[i].address; |
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nmav |
1.17 |
} |
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} |
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i++; |
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} |
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return NULL; |
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} |
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void mcrypt_dlclose( mcrypt_dlhandle handle) { |
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void* mod = handle.handle; |
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if (mod!=MCRYPT_INTERNAL_HANDLER && mod!=NULL) |
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lt_dlclose(mod); |
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handle.handle = NULL; |
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} |
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lt_ptr mcrypt_dlsym( mcrypt_dlhandle handle, char* str) { |
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void* mod; |
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mod = handle.handle; |
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if (mod!=MCRYPT_INTERNAL_HANDLER) |
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return lt_dlsym(mod, str); |
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else |
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1.20 |
return _mcrypt_search_symlist_sym(handle, str); |
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1.17 |
|
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} |
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nmav |
1.5 |
WIN32DLL_DEFINE |
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1.1 |
int mcrypt_module_close(MCRYPT td) |
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{ |
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1.22 |
if (td==NULL) return MCRYPT_UNKNOWN_ERROR; |
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nmav |
1.17 |
mcrypt_dlclose(td->algorithm_handle); |
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mcrypt_dlclose(td->mode_handle); |
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nmav |
1.15 |
if (lt_dlexit() != 0) { |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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1.1 |
|
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td->m_encrypt = NULL; |
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td->a_encrypt = NULL; |
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td->a_decrypt = NULL; |
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td->m_decrypt = NULL; |
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1.13 |
free(td); |
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1.1 |
return 0; |
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} |
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nmav |
1.17 |
|
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nmav |
1.5 |
WIN32DLL_DEFINE |
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nmav |
1.17 |
void* mcrypt_dlopen ( mcrypt_dlhandle* handle, const char* a_directory, const char *m_directory, const char *filename) { |
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nmav |
1.33 |
char paths[1539]; |
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if (!filename || !(*filename)) { |
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return MCRYPT_FAILED; |
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} |
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1.2 |
|
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1.31 |
if (strlen(filename) >= sizeof( handle->name)) |
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1.17 |
return MCRYPT_FAILED; |
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else |
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strcpy( handle->name, filename); |
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1.20 |
if (_mcrypt_search_symlist_lib(filename)!=NULL) { |
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1.17 |
handle->handle = MCRYPT_INTERNAL_HANDLER; |
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return handle->handle; |
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nmav |
1.2 |
} |
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1.32 |
|
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nmav |
1.33 |
*paths = '\0'; |
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1.3 |
if (a_directory != NULL) { |
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strncat( paths, a_directory, 512); |
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strcat( paths, ":"); |
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} |
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if (m_directory != NULL) { |
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strncat( paths, m_directory, 512); |
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strcat( paths, ":"); |
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} |
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strncat( paths, LIBDIR, 512); |
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lt_dlsetsearchpath(paths); |
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nmav |
1.2 |
|
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nmav |
1.17 |
handle->handle = lt_dlopenext(filename); |
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nmav |
1.3 |
|
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nmav |
1.17 |
return handle->handle; |
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nmav |
1.2 |
|
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} |
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nmav |
1.5 |
WIN32DLL_DEFINE |
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nmav |
1.30 |
MCRYPT mcrypt_module_open(const char *algorithm, |
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const char *a_directory, const char *mode, |
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const char *m_directory) |
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nmav |
1.1 |
{ |
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MCRYPT td; |
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nmav |
1.8 |
const char* err; |
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nmav |
1.17 |
void *ret; |
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nmav |
1.2 |
|
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nmav |
1.1 |
td = calloc(1, sizeof(CRYPT_STREAM)); |
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1.10 |
if (td==NULL) return MCRYPT_FAILED; |
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nmav |
1.1 |
|
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if (lt_dlinit() != 0) { |
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return MCRYPT_FAILED; |
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} |
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nmav |
1.17 |
ret = mcrypt_dlopen( &td->algorithm_handle, a_directory, m_directory, algorithm); |
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if (ret == NULL) { |
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nmav |
1.4 |
err=lt_dlerror(); |
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nmav |
1.25 |
if (err!=NULL) { |
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fputs( err, stderr); |
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fputs("\n", stderr); |
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} |
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nmav |
1.17 |
free(td); |
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nmav |
1.27 |
lt_dlexit(); |
190 |
nmav |
1.1 |
return MCRYPT_FAILED; |
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} |
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nmav |
1.17 |
ret = mcrypt_dlopen( &td->mode_handle, a_directory, m_directory, mode); |
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nmav |
1.1 |
|
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nmav |
1.17 |
if (ret == NULL) { |
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nmav |
1.4 |
err=lt_dlerror(); |
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nmav |
1.25 |
if (err!=NULL) { |
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fputs( err, stderr); |
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fputs( "\n", stderr); |
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} |
201 |
nmav |
1.17 |
mcrypt_dlclose(td->algorithm_handle); |
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free(td); |
203 |
nmav |
1.27 |
lt_dlexit(); |
204 |
nmav |
1.1 |
return MCRYPT_FAILED; |
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} |
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207 |
nmav |
1.17 |
td->a_encrypt = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_encrypt"); |
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td->a_decrypt = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_decrypt"); |
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td->m_encrypt = mcrypt_dlsym(td->mode_handle, "_mcrypt"); |
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td->m_decrypt = mcrypt_dlsym(td->mode_handle, "_mdecrypt"); |
211 |
nmav |
1.1 |
td->a_block_size = |
212 |
nmav |
1.17 |
mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_block_size"); |
213 |
nmav |
1.1 |
|
214 |
nmav |
1.25 |
if (td->a_encrypt == NULL || td->a_decrypt == NULL|| td->m_encrypt == NULL|| |
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td->m_decrypt == NULL|| td->a_block_size == NULL) { |
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err=lt_dlerror(); |
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if (err!=NULL) { |
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fputs( err, stderr); |
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fputs( "\n", stderr); |
220 |
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} |
221 |
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mcrypt_dlclose(td->algorithm_handle); |
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free(td); |
223 |
nmav |
1.27 |
lt_dlexit(); |
224 |
nmav |
1.25 |
return MCRYPT_FAILED; |
225 |
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} |
226 |
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227 |
nmav |
1.1 |
if (mcrypt_enc_is_block_algorithm_mode(td) != |
228 |
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mcrypt_enc_is_block_algorithm(td)) { |
229 |
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mcrypt_module_close(td); |
230 |
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return MCRYPT_FAILED; |
231 |
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} |
232 |
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233 |
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return td; |
234 |
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} |
235 |
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236 |
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237 |
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238 |
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/* Modules' frontends */ |
239 |
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240 |
nmav |
1.5 |
WIN32DLL_DEFINE |
241 |
nmav |
1.1 |
int mcrypt_get_size(MCRYPT td) |
242 |
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{ |
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int (*_mcrypt_get_size) (void); |
244 |
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245 |
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const char *error; |
246 |
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247 |
nmav |
1.17 |
_mcrypt_get_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_size"); |
248 |
nmav |
1.15 |
if (_mcrypt_get_size == NULL) { |
249 |
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error = lt_dlerror(); |
250 |
nmav |
1.25 |
if (error!=NULL) { |
251 |
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fputs(error, stderr); |
252 |
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fputs("\n", stderr); |
253 |
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} |
254 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
255 |
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} |
256 |
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return _mcrypt_get_size(); |
257 |
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} |
258 |
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259 |
nmav |
1.5 |
WIN32DLL_DEFINE |
260 |
nmav |
1.1 |
int mcrypt_mode_get_size(MCRYPT td) |
261 |
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{ |
262 |
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int (*_mcrypt_get_size) (void); |
263 |
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264 |
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const char *error; |
265 |
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266 |
nmav |
1.17 |
_mcrypt_get_size = mcrypt_dlsym(td->mode_handle, "_mcrypt_mode_get_size"); |
267 |
nmav |
1.15 |
if (_mcrypt_get_size == NULL) { |
268 |
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error = lt_dlerror(); |
269 |
nmav |
1.25 |
if (error!=NULL) { |
270 |
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fputs(error, stderr); |
271 |
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fputs("\n", stderr); |
272 |
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} |
273 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
274 |
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} |
275 |
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return _mcrypt_get_size(); |
276 |
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} |
277 |
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|
278 |
nmav |
1.5 |
WIN32DLL_DEFINE |
279 |
nmav |
1.30 |
int mcrypt_set_key(MCRYPT td, void *a, const void *key, int keysize, const void *iv, int e) |
280 |
nmav |
1.1 |
{ |
281 |
nmav |
1.30 |
int (*__mcrypt_set_key_stream) (void *, const void *, int, const void *, int); |
282 |
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int (*__mcrypt_set_key_block) (void *, const void *, int); |
283 |
nmav |
1.1 |
const char *error; |
284 |
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285 |
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if (mcrypt_enc_is_block_algorithm(td) == 0) { |
286 |
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/* stream */ |
287 |
nmav |
1.17 |
__mcrypt_set_key_stream = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
288 |
nmav |
1.15 |
if (__mcrypt_set_key_stream == NULL) { |
289 |
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error = lt_dlerror(); |
290 |
nmav |
1.25 |
if (error!=NULL) { |
291 |
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fputs(error, stderr); |
292 |
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fputs("\n", stderr); |
293 |
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} |
294 |
nmav |
1.9 |
return -2; |
295 |
nmav |
1.1 |
} |
296 |
nmav |
1.30 |
return __mcrypt_set_key_stream(a, key, keysize, iv, e); |
297 |
nmav |
1.1 |
} else { |
298 |
nmav |
1.17 |
__mcrypt_set_key_block = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
299 |
nmav |
1.15 |
if (__mcrypt_set_key_block == NULL) { |
300 |
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error = lt_dlerror(); |
301 |
nmav |
1.25 |
if (error!=NULL) { |
302 |
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fputs(error, stderr); |
303 |
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fputs("\n", stderr); |
304 |
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} |
305 |
nmav |
1.9 |
return -2; |
306 |
nmav |
1.1 |
} |
307 |
nmav |
1.30 |
return __mcrypt_set_key_block(a, key, keysize); |
308 |
nmav |
1.1 |
} |
309 |
|
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} |
310 |
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|
311 |
nmav |
1.5 |
WIN32DLL_DEFINE |
312 |
nmav |
1.30 |
int mcrypt_enc_set_state(MCRYPT td, const void *iv, int size) |
313 |
nmav |
1.2 |
{ |
314 |
nmav |
1.30 |
int (*__mcrypt_set_state) (void *, const void *, int); |
315 |
nmav |
1.2 |
const char *error; |
316 |
|
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|
317 |
nmav |
1.17 |
__mcrypt_set_state = mcrypt_dlsym(td->mode_handle, "_mcrypt_set_state"); |
318 |
nmav |
1.15 |
if (__mcrypt_set_state==NULL) { |
319 |
|
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error = lt_dlerror(); |
320 |
nmav |
1.25 |
if (error!=NULL) { |
321 |
|
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fputs(error, stderr); |
322 |
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fputs("\n", stderr); |
323 |
|
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} |
324 |
nmav |
1.2 |
return MCRYPT_UNKNOWN_ERROR; |
325 |
|
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} |
326 |
|
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return __mcrypt_set_state(td->abuf, iv, size); |
327 |
|
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} |
328 |
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|
329 |
nmav |
1.5 |
WIN32DLL_DEFINE |
330 |
nmav |
1.29 |
int mcrypt_enc_get_state(MCRYPT td, void *iv, int *size) |
331 |
|
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{ |
332 |
|
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int (*__mcrypt_get_state) (void *, void *, int*); |
333 |
|
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const char *error; |
334 |
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|
335 |
|
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__mcrypt_get_state = mcrypt_dlsym(td->mode_handle, "_mcrypt_get_state"); |
336 |
|
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if (__mcrypt_get_state==NULL) { |
337 |
|
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error = lt_dlerror(); |
338 |
|
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if (error!=NULL) { |
339 |
|
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fputs(error, stderr); |
340 |
|
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fputs("\n", stderr); |
341 |
|
|
} |
342 |
|
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return MCRYPT_UNKNOWN_ERROR; |
343 |
|
|
} |
344 |
|
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return __mcrypt_get_state(td->abuf, iv, size); |
345 |
|
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} |
346 |
|
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|
347 |
|
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|
348 |
|
|
WIN32DLL_DEFINE |
349 |
nmav |
1.1 |
int mcrypt_enc_get_block_size(MCRYPT td) |
350 |
|
|
{ |
351 |
|
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int (*_mcrypt_get_block_size) (void); |
352 |
|
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|
353 |
|
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_mcrypt_get_block_size = td->a_block_size; |
354 |
|
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return _mcrypt_get_block_size(); |
355 |
|
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} |
356 |
|
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|
357 |
nmav |
1.5 |
WIN32DLL_DEFINE |
358 |
nmav |
1.1 |
int mcrypt_get_algo_iv_size(MCRYPT td) |
359 |
|
|
{ |
360 |
nmav |
1.25 |
const char* error; |
361 |
nmav |
1.1 |
int (*_mcrypt_get_algo_iv_size) (void); |
362 |
|
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|
363 |
nmav |
1.17 |
_mcrypt_get_algo_iv_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_algo_iv_size"); |
364 |
nmav |
1.25 |
if (_mcrypt_get_algo_iv_size == NULL) { |
365 |
|
|
error = lt_dlerror(); |
366 |
|
|
if (error!=NULL) { |
367 |
|
|
fputs(error, stderr); |
368 |
|
|
fputs("\n", stderr); |
369 |
|
|
} |
370 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
371 |
|
|
} |
372 |
nmav |
1.1 |
return _mcrypt_get_algo_iv_size(); |
373 |
|
|
} |
374 |
|
|
|
375 |
nmav |
1.5 |
WIN32DLL_DEFINE |
376 |
nmav |
1.1 |
int mcrypt_enc_get_iv_size(MCRYPT td) |
377 |
|
|
{ |
378 |
|
|
if (mcrypt_enc_is_block_algorithm_mode(td) == 1) { |
379 |
|
|
return mcrypt_enc_get_block_size(td); |
380 |
|
|
} else { |
381 |
|
|
return mcrypt_get_algo_iv_size(td); |
382 |
|
|
} |
383 |
|
|
} |
384 |
|
|
|
385 |
nmav |
1.5 |
WIN32DLL_DEFINE |
386 |
nmav |
1.1 |
int mcrypt_enc_get_key_size(MCRYPT td) |
387 |
|
|
{ |
388 |
nmav |
1.25 |
const char* error; |
389 |
nmav |
1.1 |
int (*_mcrypt_get_key_size) (void); |
390 |
|
|
|
391 |
nmav |
1.17 |
_mcrypt_get_key_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_key_size"); |
392 |
nmav |
1.25 |
if (_mcrypt_get_key_size == NULL) { |
393 |
|
|
error = lt_dlerror(); |
394 |
|
|
if (error!=NULL) { |
395 |
|
|
fputs(error, stderr); |
396 |
|
|
fputs("\n", stderr); |
397 |
|
|
} |
398 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
399 |
|
|
} |
400 |
nmav |
1.1 |
return _mcrypt_get_key_size(); |
401 |
|
|
} |
402 |
|
|
|
403 |
nmav |
1.5 |
WIN32DLL_DEFINE |
404 |
nmav |
1.23 |
int *mcrypt_enc_get_supported_key_sizes(MCRYPT td, int *len) |
405 |
nmav |
1.1 |
{ |
406 |
|
|
int *(*_mcrypt_get_key_sizes) (int *); |
407 |
nmav |
1.23 |
int *size, *ret; |
408 |
nmav |
1.25 |
const char* error; |
409 |
nmav |
1.1 |
|
410 |
|
|
_mcrypt_get_key_sizes = |
411 |
nmav |
1.17 |
mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_supported_key_sizes"); |
412 |
nmav |
1.25 |
if (_mcrypt_get_key_sizes == NULL) { |
413 |
|
|
error = lt_dlerror(); |
414 |
|
|
if (error!=NULL) { |
415 |
|
|
fputs(error, stderr); |
416 |
|
|
fputs("\n", stderr); |
417 |
|
|
} |
418 |
|
|
*len = 0; |
419 |
|
|
return NULL; |
420 |
|
|
} |
421 |
|
|
|
422 |
nmav |
1.1 |
size = _mcrypt_get_key_sizes(len); |
423 |
nmav |
1.23 |
|
424 |
|
|
ret = NULL; |
425 |
nmav |
1.24 |
if (size!=NULL && (*len) != 0) { |
426 |
nmav |
1.23 |
ret = malloc( sizeof(int)*(*len)); |
427 |
|
|
if (ret==NULL) return NULL; |
428 |
|
|
memcpy( ret, size, sizeof(int)*(*len)); |
429 |
|
|
} |
430 |
|
|
return ret; |
431 |
nmav |
1.1 |
} |
432 |
|
|
|
433 |
nmav |
1.5 |
WIN32DLL_DEFINE |
434 |
nmav |
1.1 |
int mcrypt_enc_is_block_algorithm(MCRYPT td) |
435 |
|
|
{ |
436 |
|
|
int (*_is_block_algorithm) (void); |
437 |
nmav |
1.25 |
const char* error; |
438 |
nmav |
1.1 |
|
439 |
nmav |
1.17 |
_is_block_algorithm = mcrypt_dlsym(td->algorithm_handle, "_is_block_algorithm"); |
440 |
nmav |
1.25 |
if (_is_block_algorithm == NULL) { |
441 |
|
|
error = lt_dlerror(); |
442 |
|
|
if (error!=NULL) { |
443 |
|
|
fputs(error, stderr); |
444 |
|
|
fputs("\n", stderr); |
445 |
|
|
} |
446 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
447 |
|
|
} |
448 |
|
|
|
449 |
nmav |
1.1 |
return _is_block_algorithm(); |
450 |
|
|
} |
451 |
|
|
|
452 |
nmav |
1.5 |
WIN32DLL_DEFINE |
453 |
nmav |
1.23 |
char *mcrypt_enc_get_algorithms_name(MCRYPT td) |
454 |
nmav |
1.1 |
{ |
455 |
nmav |
1.20 |
const char *(*_mcrypt_get_algorithms_name) (void); |
456 |
nmav |
1.25 |
const char* error; |
457 |
nmav |
1.1 |
|
458 |
|
|
_mcrypt_get_algorithms_name = |
459 |
nmav |
1.17 |
mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_algorithms_name"); |
460 |
nmav |
1.25 |
if (_mcrypt_get_algorithms_name == NULL) { |
461 |
|
|
error = lt_dlerror(); |
462 |
|
|
if (error!=NULL) { |
463 |
|
|
fputs(error, stderr); |
464 |
|
|
fputs("\n", stderr); |
465 |
|
|
} |
466 |
|
|
return NULL; |
467 |
|
|
} |
468 |
|
|
|
469 |
nmav |
1.29 |
return strdup(_mcrypt_get_algorithms_name()); |
470 |
nmav |
1.1 |
} |
471 |
|
|
|
472 |
nmav |
1.5 |
WIN32DLL_DEFINE |
473 |
nmav |
1.30 |
int init_mcrypt(MCRYPT td, void *buf, const void *key, int keysize, const void *iv) |
474 |
nmav |
1.1 |
{ |
475 |
nmav |
1.30 |
int (*_init_mcrypt) (void *, const void *, int, const void *, int); |
476 |
nmav |
1.25 |
const char* error; |
477 |
nmav |
1.1 |
|
478 |
nmav |
1.17 |
_init_mcrypt = mcrypt_dlsym(td->mode_handle, "_init_mcrypt"); |
479 |
nmav |
1.25 |
if (_init_mcrypt == NULL) { |
480 |
|
|
error = lt_dlerror(); |
481 |
|
|
if (error!=NULL) { |
482 |
|
|
fputs(error, stderr); |
483 |
|
|
fputs("\n", stderr); |
484 |
|
|
} |
485 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
486 |
|
|
} |
487 |
|
|
|
488 |
nmav |
1.30 |
return _init_mcrypt(buf, key, keysize, iv, mcrypt_enc_get_block_size(td)); |
489 |
nmav |
1.1 |
} |
490 |
|
|
|
491 |
nmav |
1.5 |
WIN32DLL_DEFINE |
492 |
nmav |
1.1 |
int end_mcrypt(MCRYPT td, void *buf) |
493 |
|
|
{ |
494 |
|
|
int (*_end_mcrypt) (void *); |
495 |
nmav |
1.25 |
const char* error; |
496 |
nmav |
1.1 |
|
497 |
nmav |
1.17 |
_end_mcrypt = mcrypt_dlsym(td->mode_handle, "_end_mcrypt"); |
498 |
nmav |
1.25 |
if (_end_mcrypt == NULL) { |
499 |
|
|
error = lt_dlerror(); |
500 |
|
|
if (error!=NULL) { |
501 |
|
|
fputs(error, stderr); |
502 |
|
|
fputs("\n", stderr); |
503 |
|
|
} |
504 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
505 |
|
|
} |
506 |
|
|
|
507 |
nmav |
1.1 |
return _end_mcrypt(buf); |
508 |
|
|
} |
509 |
|
|
|
510 |
nmav |
1.5 |
WIN32DLL_DEFINE |
511 |
nmav |
1.1 |
int mcrypt(MCRYPT td, void *buf, void *a, int b) |
512 |
|
|
{ |
513 |
|
|
int (*_mcrypt) (void *, void *, int, int, void *, void *, void*); |
514 |
nmav |
1.34 |
|
515 |
|
|
if (!buf) return -1; |
516 |
|
|
|
517 |
nmav |
1.1 |
_mcrypt = td->m_encrypt; |
518 |
|
|
|
519 |
|
|
return _mcrypt(buf, a, b, mcrypt_enc_get_block_size(td), td->akey, |
520 |
|
|
td->a_encrypt, td->a_decrypt); |
521 |
|
|
} |
522 |
|
|
|
523 |
nmav |
1.5 |
WIN32DLL_DEFINE |
524 |
nmav |
1.1 |
int mdecrypt(MCRYPT td, void *buf, void *a, int b) |
525 |
|
|
{ |
526 |
|
|
int (*_mdecrypt) (void *, void *, int, int, void *, void *, void*); |
527 |
nmav |
1.34 |
|
528 |
|
|
if (!buf) return -1; |
529 |
nmav |
1.1 |
|
530 |
|
|
_mdecrypt = td->m_decrypt; |
531 |
|
|
return _mdecrypt(buf, a, b, mcrypt_enc_get_block_size(td), |
532 |
|
|
td->akey, td->a_encrypt, td->a_decrypt); |
533 |
|
|
} |
534 |
|
|
|
535 |
nmav |
1.5 |
WIN32DLL_DEFINE |
536 |
nmav |
1.23 |
char *mcrypt_enc_get_modes_name(MCRYPT td) |
537 |
nmav |
1.1 |
{ |
538 |
nmav |
1.20 |
const char *(*_mcrypt_get_modes_name) (void); |
539 |
nmav |
1.25 |
const char* error; |
540 |
nmav |
1.1 |
|
541 |
nmav |
1.17 |
_mcrypt_get_modes_name = mcrypt_dlsym(td->mode_handle, "_mcrypt_get_modes_name"); |
542 |
nmav |
1.25 |
if (_mcrypt_get_modes_name == NULL) { |
543 |
|
|
error = lt_dlerror(); |
544 |
|
|
if (error!=NULL) { |
545 |
|
|
fputs(error, stderr); |
546 |
|
|
fputs("\n", stderr); |
547 |
|
|
} |
548 |
|
|
return NULL; |
549 |
|
|
} |
550 |
|
|
|
551 |
nmav |
1.29 |
return strdup(_mcrypt_get_modes_name()); |
552 |
nmav |
1.1 |
} |
553 |
|
|
|
554 |
nmav |
1.5 |
WIN32DLL_DEFINE |
555 |
nmav |
1.1 |
int mcrypt_enc_is_block_mode(MCRYPT td) |
556 |
|
|
{ |
557 |
|
|
int (*_is_block_mode) (void); |
558 |
nmav |
1.25 |
const char* error; |
559 |
|
|
|
560 |
|
|
_is_block_mode = mcrypt_dlsym(td->mode_handle, "_is_block_mode"); |
561 |
|
|
if (_is_block_mode == NULL) { |
562 |
|
|
error = lt_dlerror(); |
563 |
|
|
if (error!=NULL) { |
564 |
|
|
fputs(error, stderr); |
565 |
|
|
fputs("\n", stderr); |
566 |
|
|
} |
567 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
568 |
|
|
} |
569 |
nmav |
1.1 |
|
570 |
|
|
return _is_block_mode(); |
571 |
|
|
} |
572 |
|
|
|
573 |
nmav |
1.5 |
WIN32DLL_DEFINE |
574 |
nmav |
1.1 |
int mcrypt_enc_mode_has_iv(MCRYPT td) |
575 |
|
|
{ |
576 |
|
|
int (*_has_iv) (void); |
577 |
nmav |
1.25 |
const char* error; |
578 |
nmav |
1.1 |
|
579 |
nmav |
1.17 |
_has_iv = mcrypt_dlsym(td->mode_handle, "_has_iv"); |
580 |
nmav |
1.25 |
if (_has_iv == NULL) { |
581 |
|
|
error = lt_dlerror(); |
582 |
|
|
if (error!=NULL) { |
583 |
|
|
fputs(error, stderr); |
584 |
|
|
fputs("\n", stderr); |
585 |
|
|
} |
586 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
587 |
|
|
} |
588 |
|
|
|
589 |
nmav |
1.1 |
return _has_iv(); |
590 |
|
|
} |
591 |
|
|
|
592 |
nmav |
1.5 |
WIN32DLL_DEFINE |
593 |
nmav |
1.1 |
int mcrypt_enc_is_block_algorithm_mode(MCRYPT td) |
594 |
|
|
{ |
595 |
|
|
int (*_is_a_block_mode) (void); |
596 |
nmav |
1.25 |
const char* error; |
597 |
nmav |
1.1 |
|
598 |
nmav |
1.17 |
_is_a_block_mode = mcrypt_dlsym(td->mode_handle, "_is_block_algorithm_mode"); |
599 |
nmav |
1.25 |
if (_is_a_block_mode == NULL) { |
600 |
|
|
error = lt_dlerror(); |
601 |
|
|
if (error!=NULL) { |
602 |
|
|
fputs(error, stderr); |
603 |
|
|
fputs("\n", stderr); |
604 |
|
|
} |
605 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
606 |
|
|
} |
607 |
|
|
|
608 |
nmav |
1.1 |
return _is_a_block_mode(); |
609 |
|
|
} |
610 |
|
|
|
611 |
nmav |
1.5 |
WIN32DLL_DEFINE |
612 |
nmav |
1.1 |
int mcrypt_enc_self_test(MCRYPT td) |
613 |
|
|
{ |
614 |
|
|
int (*_self_test) (void); |
615 |
nmav |
1.25 |
const char* error; |
616 |
nmav |
1.1 |
|
617 |
nmav |
1.17 |
_self_test = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_self_test"); |
618 |
nmav |
1.25 |
if (_self_test == NULL) { |
619 |
|
|
error = lt_dlerror(); |
620 |
|
|
if (error!=NULL) { |
621 |
|
|
fputs(error, stderr); |
622 |
|
|
fputs("\n", stderr); |
623 |
|
|
} |
624 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
625 |
|
|
} |
626 |
nmav |
1.1 |
|
627 |
|
|
return _self_test(); |
628 |
|
|
} |
629 |
|
|
|
630 |
nmav |
1.5 |
WIN32DLL_DEFINE |
631 |
nmav |
1.30 |
int mcrypt_module_self_test(const char *algorithm, const char *a_directory) |
632 |
nmav |
1.1 |
{ |
633 |
|
|
int i; |
634 |
nmav |
1.17 |
void* rr; |
635 |
|
|
mcrypt_dlhandle _handle; |
636 |
nmav |
1.1 |
int (*_self_test) (void); |
637 |
nmav |
1.8 |
const char* error; |
638 |
nmav |
1.1 |
|
639 |
|
|
if (lt_dlinit() != 0) { |
640 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
641 |
|
|
} |
642 |
|
|
|
643 |
nmav |
1.17 |
rr = mcrypt_dlopen(&_handle, a_directory, NULL, algorithm); |
644 |
nmav |
1.1 |
|
645 |
nmav |
1.17 |
if (!rr) { |
646 |
nmav |
1.4 |
error=lt_dlerror(); |
647 |
nmav |
1.25 |
if (error!=NULL) { |
648 |
|
|
fputs( error, stderr); |
649 |
|
|
fputs("\n", stderr); |
650 |
|
|
} |
651 |
nmav |
1.15 |
lt_dlexit(); |
652 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
653 |
|
|
} |
654 |
|
|
|
655 |
nmav |
1.17 |
_self_test = mcrypt_dlsym(_handle, "_mcrypt_self_test"); |
656 |
nmav |
1.25 |
if (_self_test == NULL) { |
657 |
|
|
mcrypt_dlclose(_handle); |
658 |
|
|
lt_dlexit(); |
659 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
660 |
|
|
} |
661 |
|
|
|
662 |
nmav |
1.1 |
i = _self_test(); |
663 |
|
|
|
664 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
665 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
666 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
667 |
|
|
} |
668 |
|
|
|
669 |
nmav |
1.1 |
return i; |
670 |
|
|
} |
671 |
|
|
|
672 |
nmav |
1.5 |
WIN32DLL_DEFINE |
673 |
nmav |
1.30 |
int mcrypt_module_algorithm_version(const char *algorithm, const char *a_directory) |
674 |
nmav |
1.1 |
{ |
675 |
|
|
int i; |
676 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
677 |
nmav |
1.1 |
int (*_version) (void); |
678 |
nmav |
1.8 |
const char* error; |
679 |
nmav |
1.17 |
void* rr; |
680 |
|
|
|
681 |
nmav |
1.1 |
if (lt_dlinit() != 0) { |
682 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
683 |
|
|
} |
684 |
|
|
|
685 |
nmav |
1.17 |
rr = mcrypt_dlopen(&_handle, a_directory, NULL, algorithm); |
686 |
|
|
if (!rr) { |
687 |
nmav |
1.4 |
error=lt_dlerror(); |
688 |
nmav |
1.25 |
if (error!=NULL) { |
689 |
|
|
fputs( error, stderr); |
690 |
|
|
fputs("\n", stderr); |
691 |
|
|
} |
692 |
|
|
lt_dlexit(); |
693 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
694 |
|
|
} |
695 |
|
|
|
696 |
nmav |
1.17 |
_version = mcrypt_dlsym(_handle, "_mcrypt_algorithm_version"); |
697 |
nmav |
1.25 |
if (_version==NULL) { |
698 |
|
|
mcrypt_dlclose(_handle); |
699 |
|
|
lt_dlexit(); |
700 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
701 |
|
|
} |
702 |
nmav |
1.1 |
|
703 |
|
|
i = _version(); |
704 |
|
|
|
705 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
706 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
707 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
708 |
|
|
} |
709 |
nmav |
1.1 |
|
710 |
|
|
return i; |
711 |
|
|
} |
712 |
|
|
|
713 |
nmav |
1.5 |
WIN32DLL_DEFINE |
714 |
nmav |
1.30 |
int mcrypt_module_mode_version(const char *mode, const char *m_directory) |
715 |
nmav |
1.1 |
{ |
716 |
|
|
int i; |
717 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
718 |
nmav |
1.1 |
int (*_version) (void); |
719 |
nmav |
1.8 |
const char* error; |
720 |
nmav |
1.17 |
void * rr; |
721 |
nmav |
1.1 |
|
722 |
|
|
if (lt_dlinit() != 0) { |
723 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
724 |
|
|
} |
725 |
|
|
|
726 |
nmav |
1.17 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
727 |
|
|
if (!rr) { |
728 |
nmav |
1.4 |
error=lt_dlerror(); |
729 |
nmav |
1.25 |
if(error!=NULL) { |
730 |
|
|
fputs(error, stderr); |
731 |
|
|
fputs("\n", stderr); |
732 |
|
|
} |
733 |
nmav |
1.27 |
lt_dlexit(); |
734 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
735 |
|
|
} |
736 |
|
|
|
737 |
nmav |
1.17 |
_version = mcrypt_dlsym( _handle, "_mcrypt_mode_version"); |
738 |
nmav |
1.25 |
if (_version==NULL) { |
739 |
|
|
mcrypt_dlclose(_handle); |
740 |
|
|
lt_dlexit(); |
741 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
742 |
|
|
} |
743 |
nmav |
1.1 |
|
744 |
|
|
i = _version(); |
745 |
|
|
|
746 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
747 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
748 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
749 |
|
|
} |
750 |
nmav |
1.1 |
|
751 |
|
|
return i; |
752 |
|
|
} |
753 |
|
|
|
754 |
nmav |
1.5 |
WIN32DLL_DEFINE |
755 |
nmav |
1.30 |
int mcrypt_module_is_block_algorithm(const char *algorithm, const char *a_directory) |
756 |
nmav |
1.1 |
{ |
757 |
|
|
int i; |
758 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
759 |
nmav |
1.1 |
int (*_is_block_algorithm) (void); |
760 |
nmav |
1.8 |
const char* error; |
761 |
nmav |
1.17 |
void * rr; |
762 |
nmav |
1.4 |
|
763 |
nmav |
1.1 |
if (lt_dlinit() != 0) { |
764 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
765 |
|
|
} |
766 |
|
|
|
767 |
nmav |
1.17 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
768 |
|
|
if (!rr) { |
769 |
nmav |
1.4 |
error=lt_dlerror(); |
770 |
nmav |
1.25 |
if(error!=NULL) { |
771 |
|
|
fputs( error, stderr); |
772 |
|
|
fputs("\n", stderr); |
773 |
|
|
} |
774 |
nmav |
1.27 |
lt_dlexit(); |
775 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
776 |
|
|
} |
777 |
|
|
|
778 |
nmav |
1.17 |
_is_block_algorithm = mcrypt_dlsym(_handle, "_is_block_algorithm"); |
779 |
nmav |
1.25 |
if (_is_block_algorithm==NULL) { |
780 |
|
|
mcrypt_dlclose(_handle); |
781 |
|
|
lt_dlexit(); |
782 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
783 |
|
|
} |
784 |
nmav |
1.1 |
|
785 |
|
|
i = _is_block_algorithm(); |
786 |
|
|
|
787 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
788 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
789 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
790 |
|
|
} |
791 |
nmav |
1.1 |
|
792 |
|
|
return i; |
793 |
|
|
} |
794 |
|
|
|
795 |
nmav |
1.5 |
WIN32DLL_DEFINE |
796 |
nmav |
1.30 |
int mcrypt_module_is_block_algorithm_mode(const char *mode, const char *m_directory) |
797 |
nmav |
1.1 |
{ |
798 |
|
|
int i; |
799 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
800 |
nmav |
1.1 |
int (*_is_a_block_mode) (void); |
801 |
nmav |
1.8 |
const char* error; |
802 |
nmav |
1.17 |
void * rr; |
803 |
nmav |
1.1 |
|
804 |
|
|
if (lt_dlinit() != 0) { |
805 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
806 |
|
|
} |
807 |
|
|
|
808 |
nmav |
1.17 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
809 |
|
|
if (!rr) { |
810 |
nmav |
1.4 |
error=lt_dlerror(); |
811 |
nmav |
1.25 |
if(error!=NULL) { |
812 |
|
|
fputs( error, stderr); |
813 |
|
|
fputs("\n", stderr); |
814 |
|
|
} |
815 |
nmav |
1.27 |
lt_dlexit(); |
816 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
817 |
|
|
} |
818 |
|
|
|
819 |
nmav |
1.17 |
_is_a_block_mode = mcrypt_dlsym(_handle, "_is_block_algorithm_mode"); |
820 |
nmav |
1.25 |
if (_is_a_block_mode==NULL) { |
821 |
|
|
mcrypt_dlclose(_handle); |
822 |
|
|
lt_dlexit(); |
823 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
824 |
|
|
} |
825 |
nmav |
1.1 |
|
826 |
|
|
i = _is_a_block_mode(); |
827 |
|
|
|
828 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
829 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
830 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
831 |
|
|
} |
832 |
nmav |
1.1 |
|
833 |
|
|
return i; |
834 |
|
|
} |
835 |
|
|
|
836 |
nmav |
1.5 |
WIN32DLL_DEFINE |
837 |
nmav |
1.30 |
int mcrypt_module_is_block_mode(const char *mode, const char *m_directory) |
838 |
nmav |
1.1 |
{ |
839 |
nmav |
1.17 |
void * rr; |
840 |
nmav |
1.1 |
int i; |
841 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
842 |
nmav |
1.1 |
int (*_is_block_mode) (void); |
843 |
nmav |
1.8 |
const char* error; |
844 |
nmav |
1.1 |
|
845 |
|
|
if (lt_dlinit() != 0) { |
846 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
847 |
|
|
} |
848 |
|
|
|
849 |
nmav |
1.17 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
850 |
|
|
if (!rr) { |
851 |
nmav |
1.4 |
error=lt_dlerror(); |
852 |
nmav |
1.25 |
if(error!=NULL) { |
853 |
|
|
fputs( error, stderr); |
854 |
|
|
fputs("\n", stderr); |
855 |
|
|
} |
856 |
nmav |
1.27 |
lt_dlexit(); |
857 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
858 |
|
|
} |
859 |
|
|
|
860 |
nmav |
1.17 |
_is_block_mode = mcrypt_dlsym(_handle, "_is_block_mode"); |
861 |
nmav |
1.25 |
if (_is_block_mode==NULL) { |
862 |
|
|
mcrypt_dlclose(_handle); |
863 |
|
|
lt_dlexit(); |
864 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
865 |
|
|
} |
866 |
nmav |
1.1 |
|
867 |
|
|
i = _is_block_mode(); |
868 |
|
|
|
869 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
870 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
871 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
872 |
|
|
} |
873 |
nmav |
1.1 |
|
874 |
|
|
return i; |
875 |
|
|
} |
876 |
|
|
|
877 |
nmav |
1.5 |
WIN32DLL_DEFINE |
878 |
nmav |
1.30 |
int mcrypt_module_get_algo_block_size(const char *algorithm, const char *a_directory) |
879 |
nmav |
1.1 |
{ |
880 |
|
|
int i; |
881 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
882 |
nmav |
1.1 |
int (*_get_block_size) (void); |
883 |
nmav |
1.8 |
const char* error; |
884 |
nmav |
1.17 |
void * rr; |
885 |
nmav |
1.1 |
|
886 |
|
|
if (lt_dlinit() != 0) { |
887 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
888 |
|
|
} |
889 |
|
|
|
890 |
nmav |
1.17 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
891 |
|
|
if (!rr) { |
892 |
nmav |
1.4 |
error=lt_dlerror(); |
893 |
nmav |
1.25 |
if(error!=NULL) { |
894 |
|
|
fputs( error, stderr); |
895 |
|
|
fputs("\n", stderr); |
896 |
|
|
} |
897 |
nmav |
1.27 |
lt_dlexit(); |
898 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
899 |
|
|
} |
900 |
|
|
|
901 |
nmav |
1.17 |
_get_block_size = mcrypt_dlsym(_handle, "_mcrypt_get_block_size"); |
902 |
nmav |
1.25 |
if (_get_block_size==NULL) { |
903 |
|
|
mcrypt_dlclose(_handle); |
904 |
|
|
lt_dlexit(); |
905 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
906 |
|
|
} |
907 |
nmav |
1.1 |
|
908 |
|
|
i = _get_block_size(); |
909 |
|
|
|
910 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
911 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
912 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
913 |
|
|
} |
914 |
nmav |
1.1 |
|
915 |
|
|
return i; |
916 |
|
|
} |
917 |
|
|
|
918 |
nmav |
1.5 |
WIN32DLL_DEFINE |
919 |
nmav |
1.30 |
int mcrypt_module_get_algo_key_size(const char *algorithm, const char *a_directory) |
920 |
nmav |
1.1 |
{ |
921 |
|
|
int i; |
922 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
923 |
nmav |
1.1 |
int (*_get_key_size) (void); |
924 |
nmav |
1.8 |
const char* error; |
925 |
nmav |
1.17 |
void * rr; |
926 |
nmav |
1.1 |
|
927 |
|
|
if (lt_dlinit() != 0) { |
928 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
929 |
|
|
} |
930 |
|
|
|
931 |
nmav |
1.17 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
932 |
|
|
if (!rr) { |
933 |
nmav |
1.4 |
error=lt_dlerror(); |
934 |
nmav |
1.25 |
if(error!=NULL) { |
935 |
|
|
fputs( error, stderr); |
936 |
|
|
fputs("\n", stderr); |
937 |
|
|
} |
938 |
nmav |
1.27 |
lt_dlexit(); |
939 |
nmav |
1.1 |
return MCRYPT_UNKNOWN_ERROR; |
940 |
|
|
} |
941 |
|
|
|
942 |
nmav |
1.17 |
_get_key_size = mcrypt_dlsym(_handle, "_mcrypt_get_key_size"); |
943 |
nmav |
1.25 |
if (_get_key_size==NULL) { |
944 |
|
|
mcrypt_dlclose(_handle); |
945 |
|
|
lt_dlexit(); |
946 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
947 |
|
|
} |
948 |
nmav |
1.1 |
|
949 |
|
|
i = _get_key_size(); |
950 |
|
|
|
951 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
952 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
953 |
|
|
return MCRYPT_UNKNOWN_ERROR; |
954 |
|
|
} |
955 |
nmav |
1.1 |
|
956 |
|
|
return i; |
957 |
|
|
} |
958 |
|
|
|
959 |
nmav |
1.5 |
WIN32DLL_DEFINE |
960 |
nmav |
1.30 |
int *mcrypt_module_get_algo_supported_key_sizes(const char *algorithm, |
961 |
|
|
const char *a_directory, |
962 |
nmav |
1.1 |
int *len) |
963 |
|
|
{ |
964 |
nmav |
1.17 |
mcrypt_dlhandle _handle; |
965 |
nmav |
1.25 |
int *(*_mcrypt_get_key_sizes) (int *); |
966 |
nmav |
1.1 |
int *size; |
967 |
nmav |
1.21 |
int * ret_size; |
968 |
nmav |
1.8 |
const char* error; |
969 |
nmav |
1.17 |
void * rr; |
970 |
nmav |
1.28 |
|
971 |
nmav |
1.17 |
|
972 |
nmav |
1.1 |
if (lt_dlinit() != 0) { |
973 |
|
|
*len = 0; |
974 |
|
|
return NULL; |
975 |
|
|
} |
976 |
|
|
|
977 |
nmav |
1.17 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
978 |
|
|
if (!rr) { |
979 |
nmav |
1.4 |
error=lt_dlerror(); |
980 |
nmav |
1.25 |
if(error!=NULL) { |
981 |
|
|
fputs( error, stderr); |
982 |
|
|
fputs("\n", stderr); |
983 |
|
|
} |
984 |
nmav |
1.28 |
lt_dlexit(); |
985 |
nmav |
1.1 |
*len = 0; |
986 |
|
|
return NULL; |
987 |
|
|
} |
988 |
|
|
|
989 |
|
|
_mcrypt_get_key_sizes = |
990 |
nmav |
1.17 |
mcrypt_dlsym(_handle, "_mcrypt_get_supported_key_sizes"); |
991 |
nmav |
1.25 |
if (_mcrypt_get_key_sizes==NULL) { |
992 |
|
|
mcrypt_dlclose(_handle); |
993 |
|
|
lt_dlexit(); |
994 |
nmav |
1.28 |
*len = 0; |
995 |
nmav |
1.25 |
return NULL; |
996 |
|
|
} |
997 |
nmav |
1.1 |
|
998 |
nmav |
1.24 |
ret_size = NULL; |
999 |
nmav |
1.1 |
size = _mcrypt_get_key_sizes(len); |
1000 |
nmav |
1.24 |
if (*len!=0 && size!=NULL) { |
1001 |
nmav |
1.21 |
ret_size = malloc( (*len)*sizeof(int)); |
1002 |
|
|
if (ret_size!=NULL) { |
1003 |
|
|
memcpy( ret_size, size, (*len)*sizeof(int)); |
1004 |
|
|
} |
1005 |
nmav |
1.28 |
} else *len = 0; |
1006 |
nmav |
1.21 |
|
1007 |
nmav |
1.17 |
mcrypt_dlclose(_handle); |
1008 |
nmav |
1.15 |
if (lt_dlexit() != 0) { |
1009 |
|
|
return NULL; |
1010 |
|
|
} |
1011 |
nmav |
1.1 |
|
1012 |
nmav |
1.21 |
return ret_size; |
1013 |
nmav |
1.1 |
} |
1014 |
nmav |
1.35 |
|
1015 |
|
|
/* Returns false(0) if the library has not been compiled |
1016 |
|
|
* with dynamic module support. |
1017 |
|
|
*/ |
1018 |
|
|
int mcrypt_module_support_dynamic(void) { |
1019 |
|
|
#ifdef USE_LTDL |
1020 |
|
|
return 1; |
1021 |
|
|
#else |
1022 |
|
|
return 0; |
1023 |
|
|
#endif |
1024 |
|
|
|
1025 |
|
|
} |