1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
/*
*
* Copyright (c) 2011-2015
* name : Francis Banyikwa
* email: mhogomchungu@gmail.com
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "luks_slot_status.h"
#include "includes.h"
#include <libcryptsetup.h>
#include <fcntl.h>
#include <unistd.h>
static char * zuluExit( char * c,struct crypt_device * cd )
{
if( cd != NULL ){
crypt_free( cd ) ;
}
return c ;
}
static const char * _crypt_init( struct crypt_device ** cd,
const char * device,
const resolve_path_t * opts )
{
const char * type ;
if( opts ){}
if( crypt_init( cd,device ) != 0 ){
return NULL ;
}
if( crypt_load( *cd,NULL,NULL ) != 0 ){
return NULL ;
}
type = crypt_get_type( *cd ) ;
if( type == NULL ){
return zuluExit( NULL,*cd ) ;
}else{
return type ;
}
}
static char * _empty_slots( const char * device,const resolve_path_t * opts )
{
struct crypt_device * cd ;
int j ;
int k ;
string_t p ;
const char * type = _crypt_init( &cd,device,opts ) ;
if( type == NULL ){
return zuluExit( NULL,cd ) ;
}
k = crypt_keyslot_max( type ) ;
if( k < 0 ){
return zuluExit( NULL,cd ) ;
}
p = StringEmpty() ;
for( j = 0 ; j < k ; j++ ){
switch( crypt_keyslot_status( cd,j ) ){
case CRYPT_SLOT_INACTIVE : StringAppend( p,"0" ) ; break ;
case CRYPT_SLOT_ACTIVE : StringAppend( p,"1" ) ; break ;
case CRYPT_SLOT_INVALID : StringAppend( p,"2" ) ; break ;
case CRYPT_SLOT_ACTIVE_LAST: StringAppend( p,"3" ) ; break ;
default : ;
}
}
return zuluExit( StringDeleteHandle( &p ),cd ) ;
}
char * zuluCryptEmptySlots( const char * device )
{
/*
* resolve_path_t is defined in includes.h
*/
resolve_path_t opts ;
memset( &opts,'\0',sizeof( opts ) ) ;
opts.device = device ;
opts.open_mode = O_RDONLY ;
opts.error_value_1 = NULL ;
/*
* zuluCryptResolveDevicePath_1() is defined in resolve_path.c
*/
return zuluCryptResolveDevicePath_1( _empty_slots,&opts ) ;
}
#if SUPPORT_crypt_keyslot_get_pbkdf
const char * _to_string( unsigned int s )
{
static char buffer[ 1024 ] ;
snprintf( buffer,sizeof( buffer ),"%d",( int )s ) ;
return buffer ;
}
static void _get_slot_property( string_t q,int j,const char * type,struct crypt_device * cd )
{
size_t key_size ;
struct crypt_pbkdf_type pbkdf ;
if( crypt_keyslot_get_pbkdf( cd,j,&pbkdf ) == 0 ){
StringMultipleAppend( q,"PBKDF type: ",pbkdf.type,"\n",NULL ) ;
if( StringsAreEqual( type,CRYPT_LUKS1 ) ){
StringMultipleAppend( q,"PBKDF hash: ",pbkdf.hash,"\n",NULL ) ;
StringMultipleAppend( q,"PBKDF iterations: ",_to_string( pbkdf.iterations ),NULL ) ;
}else if( StringsAreEqual( type,CRYPT_LUKS2 ) ){
const char * e = crypt_keyslot_get_encryption( cd,j,&key_size ) ;
key_size *= 8 ;
if( e ){
StringMultipleAppend( q,"Cipher: ",e,"\n",NULL ) ;
}else{
StringMultipleAppend( q,"Cipher: ","N/A","\n",NULL ) ;
}
StringMultipleAppend( q,"Cipher key: ",_to_string( ( unsigned int )key_size )," bits\n",NULL ) ;
switch( crypt_keyslot_get_priority( cd,j ) ) {
case CRYPT_SLOT_PRIORITY_INVALID :
StringAppend( q,"Priority: Invalid\n" ) ;
break ;
case CRYPT_SLOT_PRIORITY_IGNORE :
StringAppend( q,"Priority: Ignore\n" ) ;
break ;
case CRYPT_SLOT_PRIORITY_NORMAL :
StringAppend( q,"Priority: Normal\n" ) ;
break ;
case CRYPT_SLOT_PRIORITY_PREFER :
StringAppend( q,"Priority: Prefer\n" ) ;
break ;
default:
StringAppend( q,"Priority: Unknown\n" ) ;
break ;
}
if( StringsAreEqual( pbkdf.type,"pbkdf2" ) ){
StringMultipleAppend( q,"Hash: ",pbkdf.hash,"\n",NULL ) ;
StringMultipleAppend( q,"Iterations: ",_to_string( pbkdf.iterations ),"\n",NULL ) ;
}else{
StringMultipleAppend( q,"Time Cost: ",_to_string( pbkdf.iterations ),"\n",NULL ) ;
StringMultipleAppend( q,"Memory: ",_to_string( pbkdf.max_memory_kb ),"\n",NULL ) ;
StringMultipleAppend( q,"Threads: ",_to_string( pbkdf.parallel_threads ),NULL ) ;
}
}
StringAppend( q,"\n\n" ) ;
}
}
static char * _slots_status( const char * device,const resolve_path_t * opts )
{
struct crypt_device * cd ;
int j ;
int k ;
string_t q ;
const char * type = _crypt_init( &cd,device,opts ) ;
if( type == NULL ){
return zuluExit( NULL,cd ) ;
}
k = crypt_keyslot_max( type ) ;
if( k < 0 ){
return zuluExit( NULL,cd ) ;
}
k = crypt_keyslot_max( type ) ;
if( k < 0 ){
return zuluExit( NULL,cd ) ;
}
crypt_keyslot_info info ;
q = String_1( type," header information\n\n",NULL ) ;
for( j = 0 ; j < k ; j++ ){
info = crypt_keyslot_status( cd,j ) ;
if( info == CRYPT_SLOT_ACTIVE || info == CRYPT_SLOT_ACTIVE_LAST ) {
StringMultipleAppend( q,"Slot Number: ",_to_string( ( unsigned int )j ),"\n",NULL ) ;
StringAppend( q,"Slot Status: Active\n" ) ;
_get_slot_property( q,j,type,cd ) ;
}else if( info == CRYPT_SLOT_INACTIVE ){
StringMultipleAppend( q,"Slot Number: ",_to_string( ( unsigned int )j ),"\n",NULL ) ;
StringAppend( q,"Slot Status: Inactive\n\n" ) ;
}else if( info == CRYPT_SLOT_INVALID ){
StringMultipleAppend( q,"Slot Number: ",_to_string( ( unsigned int )j ),"\n",NULL ) ;
StringAppend( q,"Slot Status: Invalid\n\n" ) ;
}else if( info == CRYPT_SLOT_UNBOUND ){
StringMultipleAppend( q,"Slot Number: ",_to_string( ( unsigned int )j ),"\n",NULL ) ;
StringAppend( q,"Slot Status: Unbound\n\n" ) ;
}else{
StringMultipleAppend( q,"Slot Number: ",_to_string( ( unsigned int )j ),"\n",NULL ) ;
StringAppend( q,"Slot Status: Unknown\n\n" ) ;
}
}
return zuluExit( StringDeleteHandle( &q ),cd ) ;
}
#else
static char * _slots_status( const char * device,const resolve_path_t * opts )
{
if( device && opts ){}
return NULL ;
}
#endif
char * zuluCryptSlotsStatus( const char * device )
{
/*
* resolve_path_t is defined in includes.h
*/
resolve_path_t opts ;
memset( &opts,'\0',sizeof( opts ) ) ;
opts.device = device ;
opts.open_mode = O_RDONLY ;
opts.error_value_1 = NULL ;
/*
* zuluCryptResolveDevicePath_1() is defined in resolve_path.c
*/
return zuluCryptResolveDevicePath_1( _slots_status,&opts ) ;
}
|
