Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <getopt.h> |
| 32 | #include <stdio.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <string.h> |
| 35 | |
| 36 | #include <openssl/conf.h> |
| 37 | #include <openssl/engine.h> |
| 38 | #include <openssl/err.h> |
| 39 | #include <openssl/pem.h> |
| 40 | #include <openssl/sha.h> |
| 41 | #include <openssl/x509v3.h> |
| 42 | |
| 43 | #include "cert.h" |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 44 | #include "cmd_opt.h" |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 45 | #include "debug.h" |
| 46 | #include "ext.h" |
| 47 | #include "key.h" |
| 48 | #include "platform_oid.h" |
| 49 | #include "sha.h" |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 50 | #include "tbbr/tbb_ext.h" |
| 51 | #include "tbbr/tbb_cert.h" |
| 52 | #include "tbbr/tbb_key.h" |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 53 | |
| 54 | /* |
| 55 | * Helper macros to simplify the code. This macro assigns the return value of |
| 56 | * the 'fn' function to 'v' and exits if the value is NULL. |
| 57 | */ |
| 58 | #define CHECK_NULL(v, fn) \ |
| 59 | do { \ |
| 60 | v = fn; \ |
| 61 | if (v == NULL) { \ |
| 62 | ERROR("NULL object at %s:%d\n", __FILE__, __LINE__); \ |
| 63 | exit(1); \ |
| 64 | } \ |
| 65 | } while (0) |
| 66 | |
| 67 | /* |
| 68 | * This macro assigns the NID corresponding to 'oid' to 'v' and exits if the |
| 69 | * NID is undefined. |
| 70 | */ |
| 71 | #define CHECK_OID(v, oid) \ |
| 72 | do { \ |
| 73 | v = OBJ_txt2nid(oid); \ |
| 74 | if (v == NID_undef) { \ |
| 75 | ERROR("Cannot find TBB extension %s\n", oid); \ |
| 76 | exit(1); \ |
| 77 | } \ |
| 78 | } while (0) |
| 79 | |
| 80 | #define MAX_FILENAME_LEN 1024 |
| 81 | #define VAL_DAYS 7300 |
| 82 | #define ID_TO_BIT_MASK(id) (1 << id) |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 83 | #define NUM_ELEM(x) ((sizeof(x)) / (sizeof(x[0]))) |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 84 | |
| 85 | /* Files */ |
| 86 | enum { |
| 87 | /* Image file names (inputs) */ |
| 88 | BL2_ID = 0, |
| 89 | BL30_ID, |
| 90 | BL31_ID, |
| 91 | BL32_ID, |
| 92 | BL33_ID, |
| 93 | /* Certificate file names (outputs) */ |
| 94 | BL2_CERT_ID, |
| 95 | TRUSTED_KEY_CERT_ID, |
| 96 | BL30_KEY_CERT_ID, |
| 97 | BL30_CERT_ID, |
| 98 | BL31_KEY_CERT_ID, |
| 99 | BL31_CERT_ID, |
| 100 | BL32_KEY_CERT_ID, |
| 101 | BL32_CERT_ID, |
| 102 | BL33_KEY_CERT_ID, |
| 103 | BL33_CERT_ID, |
| 104 | /* Key file names (input/output) */ |
| 105 | ROT_KEY_ID, |
| 106 | TRUSTED_WORLD_KEY_ID, |
| 107 | NON_TRUSTED_WORLD_KEY_ID, |
| 108 | BL30_KEY_ID, |
| 109 | BL31_KEY_ID, |
| 110 | BL32_KEY_ID, |
| 111 | BL33_KEY_ID, |
| 112 | NUM_OPTS |
| 113 | }; |
| 114 | |
| 115 | /* Global options */ |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 116 | static int key_alg; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 117 | static int new_keys; |
| 118 | static int save_keys; |
| 119 | static int print_cert; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 120 | |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 121 | /* Info messages created in the Makefile */ |
| 122 | extern const char build_msg[]; |
| 123 | extern const char platform_msg[]; |
| 124 | |
| 125 | |
| 126 | static char *strdup(const char *str) |
| 127 | { |
| 128 | int n = strlen(str) + 1; |
| 129 | char *dup = malloc(n); |
| 130 | if (dup) { |
| 131 | strcpy(dup, str); |
| 132 | } |
| 133 | return dup; |
| 134 | } |
| 135 | |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 136 | static const char *key_algs_str[] = { |
| 137 | [KEY_ALG_RSA] = "rsa", |
Juan Castillo | a2224ab | 2015-06-30 13:36:57 +0100 | [diff] [blame] | 138 | #ifndef OPENSSL_NO_EC |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 139 | [KEY_ALG_ECDSA] = "ecdsa" |
Juan Castillo | a2224ab | 2015-06-30 13:36:57 +0100 | [diff] [blame] | 140 | #endif /* OPENSSL_NO_EC */ |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 141 | }; |
| 142 | |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 143 | static void print_help(const char *cmd, const struct option *long_opt) |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 144 | { |
| 145 | int i = 0; |
| 146 | printf("\n\n"); |
| 147 | printf("The certificate generation tool loads the binary images and\n" |
| 148 | "optionally the RSA keys, and outputs the key and content\n" |
| 149 | "certificates properly signed to implement the chain of trust.\n" |
| 150 | "If keys are provided, they must be in PEM format.\n" |
| 151 | "Certificates are generated in DER format.\n"); |
| 152 | printf("\n"); |
| 153 | printf("Usage:\n\n"); |
| 154 | printf(" %s [-hknp] \\\n", cmd); |
| 155 | for (i = 0; i < NUM_OPTS; i++) { |
| 156 | printf(" --%s <file> \\\n", long_opt[i].name); |
| 157 | } |
| 158 | printf("\n"); |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 159 | printf("-a Key algorithm: rsa (default), ecdsa\n"); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 160 | printf("-h Print help and exit\n"); |
| 161 | printf("-k Save key pairs into files. Filenames must be provided\n"); |
| 162 | printf("-n Generate new key pairs if no key files are provided\n"); |
| 163 | printf("-p Print the certificates in the standard output\n"); |
| 164 | printf("\n"); |
| 165 | |
| 166 | exit(0); |
| 167 | } |
| 168 | |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 169 | static int get_key_alg(const char *key_alg_str) |
| 170 | { |
| 171 | int i; |
| 172 | |
| 173 | for (i = 0 ; i < NUM_ELEM(key_algs_str) ; i++) { |
| 174 | if (0 == strcmp(key_alg_str, key_algs_str[i])) { |
| 175 | return i; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return -1; |
| 180 | } |
| 181 | |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 182 | static void check_cmd_params(void) |
| 183 | { |
Juan Castillo | 86958fd | 2015-07-08 12:11:38 +0100 | [diff] [blame] | 184 | cert_t *cert; |
| 185 | ext_t *ext; |
| 186 | key_t *key; |
| 187 | int i, j; |
| 188 | |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 189 | /* Only save new keys */ |
| 190 | if (save_keys && !new_keys) { |
| 191 | ERROR("Only new keys can be saved to disk\n"); |
| 192 | exit(1); |
| 193 | } |
| 194 | |
Juan Castillo | 86958fd | 2015-07-08 12:11:38 +0100 | [diff] [blame] | 195 | /* Check that all required options have been specified in the |
| 196 | * command line */ |
| 197 | for (i = 0; i < num_certs; i++) { |
| 198 | cert = &certs[i]; |
| 199 | if (cert->fn == NULL) { |
| 200 | /* Certificate not requested. Skip to the next one */ |
| 201 | continue; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 202 | } |
| 203 | |
Juan Castillo | 86958fd | 2015-07-08 12:11:38 +0100 | [diff] [blame] | 204 | /* Check that all parameters required to create this certificate |
| 205 | * have been specified in the command line */ |
| 206 | for (j = 0; j < cert->num_ext; j++) { |
| 207 | ext = &extensions[cert->ext[j]]; |
| 208 | switch (ext->type) { |
| 209 | case EXT_TYPE_PKEY: |
| 210 | /* Key filename must be specified */ |
| 211 | key = &keys[ext->data.key]; |
| 212 | if (!new_keys && key->fn == NULL) { |
| 213 | ERROR("Key '%s' required by '%s' not " |
| 214 | "specified\n", key->desc, |
| 215 | cert->cn); |
| 216 | exit(1); |
| 217 | } |
| 218 | break; |
| 219 | case EXT_TYPE_HASH: |
Yatharth Kochar | 5752b59 | 2015-08-21 15:30:55 +0100 | [diff] [blame^] | 220 | /* |
| 221 | * Binary image must be specified |
| 222 | * unless it is explicitly made optional. |
| 223 | */ |
| 224 | if ((!ext->optional) && (ext->data.fn == NULL)) { |
Juan Castillo | 86958fd | 2015-07-08 12:11:38 +0100 | [diff] [blame] | 225 | ERROR("Image for '%s' not specified\n", |
| 226 | ext->ln); |
| 227 | exit(1); |
| 228 | } |
| 229 | break; |
| 230 | default: |
| 231 | ERROR("Unknown extension type in '%s'\n", |
| 232 | ext->ln); |
| 233 | exit(1); |
| 234 | break; |
| 235 | } |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 236 | } |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | int main(int argc, char *argv[]) |
| 241 | { |
| 242 | STACK_OF(X509_EXTENSION) * sk = NULL; |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 243 | X509_EXTENSION *cert_ext = NULL; |
| 244 | ext_t *ext = NULL; |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 245 | key_t *key = NULL; |
| 246 | cert_t *cert = NULL; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 247 | FILE *file = NULL; |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 248 | int i, j, ext_nid; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 249 | int c, opt_idx = 0; |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 250 | const struct option *cmd_opt; |
| 251 | const char *cur_opt; |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 252 | unsigned int err_code; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 253 | unsigned char md[SHA256_DIGEST_LENGTH]; |
Juan Castillo | ac40293 | 2015-03-05 14:30:00 +0000 | [diff] [blame] | 254 | const EVP_MD *md_info; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 255 | |
| 256 | NOTICE("CoT Generation Tool: %s\n", build_msg); |
| 257 | NOTICE("Target platform: %s\n", platform_msg); |
| 258 | |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 259 | /* Set default options */ |
| 260 | key_alg = KEY_ALG_RSA; |
| 261 | |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 262 | /* Add common command line options */ |
| 263 | cmd_opt_add("key-alg", required_argument, 'a'); |
| 264 | cmd_opt_add("help", no_argument, 'h'); |
| 265 | cmd_opt_add("save-keys", no_argument, 'k'); |
| 266 | cmd_opt_add("new-chain", no_argument, 'n'); |
| 267 | cmd_opt_add("print-cert", no_argument, 'p'); |
| 268 | |
| 269 | /* Initialize the certificates */ |
| 270 | if (cert_init() != 0) { |
| 271 | ERROR("Cannot initialize certificates\n"); |
| 272 | exit(1); |
| 273 | } |
| 274 | |
| 275 | /* Initialize the keys */ |
| 276 | if (key_init() != 0) { |
| 277 | ERROR("Cannot initialize keys\n"); |
| 278 | exit(1); |
| 279 | } |
| 280 | |
| 281 | /* Initialize the new types and register OIDs for the extensions */ |
| 282 | if (ext_init() != 0) { |
| 283 | ERROR("Cannot initialize TBB extensions\n"); |
| 284 | exit(1); |
| 285 | } |
| 286 | |
| 287 | /* Get the command line options populated during the initialization */ |
| 288 | cmd_opt = cmd_opt_get_array(); |
| 289 | |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 290 | while (1) { |
| 291 | /* getopt_long stores the option index here. */ |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 292 | c = getopt_long(argc, argv, "ahknp", cmd_opt, &opt_idx); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 293 | |
| 294 | /* Detect the end of the options. */ |
| 295 | if (c == -1) { |
| 296 | break; |
| 297 | } |
| 298 | |
| 299 | switch (c) { |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 300 | case 'a': |
| 301 | key_alg = get_key_alg(optarg); |
| 302 | if (key_alg < 0) { |
| 303 | ERROR("Invalid key algorithm '%s'\n", optarg); |
| 304 | exit(1); |
| 305 | } |
| 306 | break; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 307 | case 'h': |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 308 | print_help(argv[0], cmd_opt); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 309 | break; |
| 310 | case 'k': |
| 311 | save_keys = 1; |
| 312 | break; |
| 313 | case 'n': |
| 314 | new_keys = 1; |
| 315 | break; |
| 316 | case 'p': |
| 317 | print_cert = 1; |
| 318 | break; |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 319 | case CMD_OPT_EXT: |
| 320 | cur_opt = cmd_opt_get_name(opt_idx); |
| 321 | ext = ext_get_by_opt(cur_opt); |
| 322 | ext->data.fn = strdup(optarg); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 323 | break; |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 324 | case CMD_OPT_KEY: |
| 325 | cur_opt = cmd_opt_get_name(opt_idx); |
| 326 | key = key_get_by_opt(cur_opt); |
| 327 | key->fn = strdup(optarg); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 328 | break; |
Juan Castillo | 1218dd5 | 2015-07-03 16:23:16 +0100 | [diff] [blame] | 329 | case CMD_OPT_CERT: |
| 330 | cur_opt = cmd_opt_get_name(opt_idx); |
| 331 | cert = cert_get_by_opt(cur_opt); |
| 332 | cert->fn = strdup(optarg); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 333 | break; |
| 334 | case '?': |
| 335 | default: |
| 336 | printf("%s\n", optarg); |
| 337 | exit(1); |
| 338 | } |
| 339 | } |
| 340 | |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 341 | /* Check command line arguments */ |
| 342 | check_cmd_params(); |
| 343 | |
Juan Castillo | ac40293 | 2015-03-05 14:30:00 +0000 | [diff] [blame] | 344 | /* Indicate SHA256 as image hash algorithm in the certificate |
| 345 | * extension */ |
| 346 | md_info = EVP_sha256(); |
| 347 | |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 348 | /* Load private keys from files (or generate new ones) */ |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 349 | for (i = 0 ; i < num_keys ; i++) { |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 350 | /* First try to load the key from disk */ |
| 351 | if (key_load(&keys[i], &err_code)) { |
| 352 | /* Key loaded successfully */ |
| 353 | continue; |
| 354 | } |
| 355 | |
| 356 | /* Key not loaded. Check the error code */ |
| 357 | if (err_code == KEY_ERR_MALLOC) { |
| 358 | /* Cannot allocate memory. Abort. */ |
| 359 | ERROR("Malloc error while loading '%s'\n", keys[i].fn); |
| 360 | exit(1); |
| 361 | } else if (err_code == KEY_ERR_LOAD) { |
| 362 | /* File exists, but it does not contain a valid private |
| 363 | * key. Abort. */ |
| 364 | ERROR("Error loading '%s'\n", keys[i].fn); |
| 365 | exit(1); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 366 | } |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 367 | |
| 368 | /* File does not exist, could not be opened or no filename was |
| 369 | * given */ |
| 370 | if (new_keys) { |
| 371 | /* Try to create a new key */ |
| 372 | NOTICE("Creating new key for '%s'\n", keys[i].desc); |
| 373 | if (!key_create(&keys[i], key_alg)) { |
| 374 | ERROR("Error creating key '%s'\n", keys[i].desc); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 375 | exit(1); |
| 376 | } |
Juan Castillo | f9f39c3 | 2015-06-01 16:34:23 +0100 | [diff] [blame] | 377 | } else { |
| 378 | if (err_code == KEY_ERR_OPEN) { |
| 379 | ERROR("Error opening '%s'\n", keys[i].fn); |
| 380 | } else { |
| 381 | ERROR("Key '%s' not specified\n", keys[i].desc); |
| 382 | } |
| 383 | exit(1); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 384 | } |
| 385 | } |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 386 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 387 | /* Create the certificates */ |
| 388 | for (i = 0 ; i < num_certs ; i++) { |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 389 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 390 | cert = &certs[i]; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 391 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 392 | /* Create a new stack of extensions. This stack will be used |
| 393 | * to create the certificate */ |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 394 | CHECK_NULL(sk, sk_X509_EXTENSION_new_null()); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 395 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 396 | for (j = 0 ; j < cert->num_ext ; j++) { |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 397 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 398 | ext = &extensions[cert->ext[j]]; |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 399 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 400 | /* Get OpenSSL internal ID for this extension */ |
| 401 | CHECK_OID(ext_nid, ext->oid); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 402 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 403 | /* |
| 404 | * Three types of extensions are currently supported: |
| 405 | * - EXT_TYPE_NVCOUNTER |
| 406 | * - EXT_TYPE_HASH |
| 407 | * - EXT_TYPE_PKEY |
| 408 | */ |
| 409 | switch (ext->type) { |
| 410 | case EXT_TYPE_NVCOUNTER: |
| 411 | CHECK_NULL(cert_ext, ext_new_nvcounter(ext_nid, |
| 412 | EXT_CRIT, ext->data.nvcounter)); |
| 413 | break; |
| 414 | case EXT_TYPE_HASH: |
| 415 | if (ext->data.fn == NULL) { |
Yatharth Kochar | 5752b59 | 2015-08-21 15:30:55 +0100 | [diff] [blame^] | 416 | if (ext->optional) { |
| 417 | /* Include a hash filled with zeros */ |
| 418 | memset(md, 0x0, SHA256_DIGEST_LENGTH); |
| 419 | } else { |
| 420 | /* Do not include this hash in the certificate */ |
| 421 | break; |
| 422 | } |
| 423 | } else { |
| 424 | /* Calculate the hash of the file */ |
| 425 | if (!sha_file(ext->data.fn, md)) { |
| 426 | ERROR("Cannot calculate hash of %s\n", |
| 427 | ext->data.fn); |
| 428 | exit(1); |
| 429 | } |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 430 | } |
| 431 | CHECK_NULL(cert_ext, ext_new_hash(ext_nid, |
| 432 | EXT_CRIT, md_info, md, |
| 433 | SHA256_DIGEST_LENGTH)); |
| 434 | break; |
| 435 | case EXT_TYPE_PKEY: |
| 436 | CHECK_NULL(cert_ext, ext_new_key(ext_nid, |
| 437 | EXT_CRIT, keys[ext->data.key].key)); |
| 438 | break; |
| 439 | default: |
| 440 | ERROR("Unknown extension type in %s\n", |
| 441 | cert->cn); |
| 442 | exit(1); |
| 443 | } |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 444 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 445 | /* Push the extension into the stack */ |
| 446 | sk_X509_EXTENSION_push(sk, cert_ext); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 447 | } |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 448 | |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 449 | /* Create certificate. Signed with ROT key */ |
Juan Castillo | 86958fd | 2015-07-08 12:11:38 +0100 | [diff] [blame] | 450 | if (cert->fn && !cert_new(cert, VAL_DAYS, 0, sk)) { |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 451 | ERROR("Cannot create %s\n", cert->cn); |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 452 | exit(1); |
| 453 | } |
| 454 | |
| 455 | sk_X509_EXTENSION_free(sk); |
| 456 | } |
| 457 | |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 458 | |
| 459 | /* Print the certificates */ |
| 460 | if (print_cert) { |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 461 | for (i = 0 ; i < num_certs ; i++) { |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 462 | if (!certs[i].x) { |
| 463 | continue; |
| 464 | } |
| 465 | printf("\n\n=====================================\n\n"); |
| 466 | X509_print_fp(stdout, certs[i].x); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | /* Save created certificates to files */ |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 471 | for (i = 0 ; i < num_certs ; i++) { |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 472 | if (certs[i].x && certs[i].fn) { |
| 473 | file = fopen(certs[i].fn, "w"); |
| 474 | if (file != NULL) { |
| 475 | i2d_X509_fp(file, certs[i].x); |
| 476 | fclose(file); |
| 477 | } else { |
| 478 | ERROR("Cannot create file %s\n", certs[i].fn); |
| 479 | } |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | /* Save keys */ |
| 484 | if (save_keys) { |
Juan Castillo | e6d30e9 | 2015-06-12 11:27:59 +0100 | [diff] [blame] | 485 | for (i = 0 ; i < num_keys ; i++) { |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 486 | if (!key_store(&keys[i])) { |
| 487 | ERROR("Cannot save %s\n", keys[i].desc); |
| 488 | } |
| 489 | } |
| 490 | } |
| 491 | |
Juan Castillo | 11abdcd | 2014-10-21 11:30:42 +0100 | [diff] [blame] | 492 | #ifndef OPENSSL_NO_ENGINE |
| 493 | ENGINE_cleanup(); |
| 494 | #endif |
| 495 | CRYPTO_cleanup_all_ex_data(); |
| 496 | |
| 497 | return 0; |
| 498 | } |