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
|
/*
* mgmt-keystore.c
* ---------------
* CLI 'keystore' commands.
*
* Copyright (c) 2016, NORDUnet A/S All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the NORDUnet nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define HAL_OK CMSIS_HAL_OK
#include "stm-init.h"
#include "stm-keystore.h"
#include "stm-fpgacfg.h"
#include "stm-uart.h"
#include "mgmt-cli.h"
#include "mgmt-show.h"
/* Rename both CMSIS HAL_OK and libhal HAL_OK to disambiguate */
#undef HAL_OK
#define LIBHAL_OK HAL_OK
#include "hal.h"
#define HAL_STATIC_PKEY_STATE_BLOCKS 6
#include "hal_internal.h"
#undef HAL_OK
#include <string.h>
int cmd_keystore_set_pin(struct cli_def *cli, const char *command, char *argv[], int argc)
{
const hal_ks_keydb_t *db;
hal_user_t user;
hal_error_t status;
hal_client_handle_t client = { -1 };
db = hal_ks_get_keydb();
if (db == NULL) {
cli_print(cli, "Could not get a keydb from libhal");
return CLI_OK;
}
if (argc != 2) {
cli_print(cli, "Wrong number of arguments (%i).", argc);
cli_print(cli, "Syntax: keystore set pin <user|so|wheel> <pin>");
return CLI_ERROR;
}
user = HAL_USER_NONE;
if (strcmp(argv[0], "user") == 0) user = HAL_USER_NORMAL;
if (strcmp(argv[0], "so") == 0) user = HAL_USER_SO;
if (strcmp(argv[0], "wheel") == 0) user = HAL_USER_WHEEL;
if (user == HAL_USER_NONE) {
cli_print(cli, "First argument must be 'user', 'so' or 'wheel' - not '%s'", argv[0]);
return CLI_ERROR;
}
status = hal_rpc_set_pin(client, user, argv[1], strlen(argv[1]));
if (status != LIBHAL_OK) {
cli_print(cli, "Failed setting PIN: %s", hal_error_string(status));
return CLI_ERROR;
}
return CLI_OK;
}
int cmd_keystore_clear_pin(struct cli_def *cli, const char *command, char *argv[], int argc)
{
const hal_ks_keydb_t *db;
hal_user_t user;
hal_ks_pin_t pin;
hal_error_t status;
db = hal_ks_get_keydb();
if (db == NULL) {
cli_print(cli, "Could not get a keydb from libhal");
return CLI_OK;
}
if (argc != 1) {
cli_print(cli, "Wrong number of arguments (%i).", argc);
cli_print(cli, "Syntax: keystore clear pin <user|so|wheel>");
return CLI_ERROR;
}
user = HAL_USER_NONE;
if (strcmp(argv[0], "user") == 0) user = HAL_USER_NORMAL;
if (strcmp(argv[0], "so") == 0) user = HAL_USER_SO;
if (strcmp(argv[0], "wheel") == 0) user = HAL_USER_WHEEL;
if (user == HAL_USER_NONE) {
cli_print(cli, "First argument must be 'user', 'so' or 'wheel' - not '%s'", argv[0]);
return CLI_ERROR;
}
memset(&pin, 0x0, sizeof(pin));
if ((status = hal_ks_set_pin(user, &pin)) != LIBHAL_OK) {
cli_print(cli, "Failed clearing PIN: %s", hal_error_string(status));
return CLI_ERROR;
}
return CLI_OK;
}
int cmd_keystore_set_pin_iterations(struct cli_def *cli, const char *command, char *argv[], int argc)
{
hal_error_t status;
hal_client_handle_t client = { -1 };
if (argc != 1) {
cli_print(cli, "Wrong number of arguments (%i).", argc);
cli_print(cli, "Syntax: keystore set pin iterations <number>");
return CLI_ERROR;
}
status = hal_set_pin_default_iterations(client, strtol(argv[0], NULL, 0));
if (status != LIBHAL_OK) {
cli_print(cli, "Failed setting iterations: %s", hal_error_string(status));
return CLI_ERROR;
}
return CLI_OK;
}
int cmd_keystore_show_keys(struct cli_def *cli, const char *command, char *argv[], int argc)
{
const hal_ks_keydb_t *db;
db = hal_ks_get_keydb();
if (db == NULL) {
cli_print(cli, "Could not get a keydb from libhal");
return CLI_OK;
}
/* cli_print(cli, "Sizeof db->keys is %i, sizeof one key is %i\n", sizeof(db->keys), sizeof(*db->keys)); */
for (int i = 0; i < sizeof(db->keys)/sizeof(*db->keys); i++) {
if (! db->keys[i].in_use) {
cli_print(cli, "Key %i, not in use", i);
} else {
cli_print(cli, "Key %i, in use 0x%x",
i, db->keys[i].in_use);
}
}
cli_print(cli, "\nPins:");
cli_print(cli, "Wheel iterations: 0x%lx", db->wheel_pin.iterations);
cli_print(cli, "SO iterations: 0x%lx", db->so_pin.iterations);
cli_print(cli, "User iterations: 0x%lx", db->user_pin.iterations);
return CLI_OK;
}
int cmd_keystore_erase(struct cli_def *cli, const char *command, char *argv[], int argc)
{
int status;
if (argc != 1) {
cli_print(cli, "Syntax: keystore erase YesIAmSure");
return CLI_ERROR;
}
if (strcmp(argv[0], "YesIAmSure") == 0) {
if ((status = keystore_erase_sectors(0, 1)) != 1) {
cli_print(cli, "Failed erasing keystore: %i", status);
} else {
cli_print(cli, "Keystore erased (first two sectors at least)");
}
} else {
cli_print(cli, "Keystore NOT erased");
}
return CLI_OK;
}
void configure_cli_keystore(struct cli_def *cli)
{
/* keystore */
cli_command_root(keystore);
/* keystore set */
cli_command_branch(keystore, set);
/* keystore clear */
cli_command_branch(keystore, clear);
/* keystore show */
cli_command_branch(keystore, show);
/* keystore erase */
cli_command_node(keystore, erase, "Erase the whole keystore");
/* keystore set pin */
cli_command_node(keystore_set, pin, "Set either 'wheel', 'user' or 'so' PIN");
/* keystore set pin iterations */
cli_command_node(keystore_set_pin, iterations, "Set PBKDF2 iterations for PINs");
/* keystore clear pin */
cli_command_node(keystore_clear, pin, "Clear either 'wheel', 'user' or 'so' PIN");
/* keystore show keys */
cli_command_node(keystore_show, keys, "Show what PINs and keys are in the keystore");
}
|
