source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/ts/ts_conf.c

Last change on this file was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 12.9 KB
Line 
1/*
2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <string.h>
11
12#include <openssl/crypto.h>
13#include "internal/cryptlib.h"
14#include <openssl/pem.h>
15#include <openssl/engine.h>
16#include <openssl/ts.h>
17
18/* Macro definitions for the configuration file. */
19#define BASE_SECTION "tsa"
20#define ENV_DEFAULT_TSA "default_tsa"
21#define ENV_SERIAL "serial"
22#define ENV_CRYPTO_DEVICE "crypto_device"
23#define ENV_SIGNER_CERT "signer_cert"
24#define ENV_CERTS "certs"
25#define ENV_SIGNER_KEY "signer_key"
26#define ENV_SIGNER_DIGEST "signer_digest"
27#define ENV_DEFAULT_POLICY "default_policy"
28#define ENV_OTHER_POLICIES "other_policies"
29#define ENV_DIGESTS "digests"
30#define ENV_ACCURACY "accuracy"
31#define ENV_ORDERING "ordering"
32#define ENV_TSA_NAME "tsa_name"
33#define ENV_ESS_CERT_ID_CHAIN "ess_cert_id_chain"
34#define ENV_VALUE_SECS "secs"
35#define ENV_VALUE_MILLISECS "millisecs"
36#define ENV_VALUE_MICROSECS "microsecs"
37#define ENV_CLOCK_PRECISION_DIGITS "clock_precision_digits"
38#define ENV_VALUE_YES "yes"
39#define ENV_VALUE_NO "no"
40
41/* Function definitions for certificate and key loading. */
42
43X509 *TS_CONF_load_cert(const char *file)
44{
45 BIO *cert = NULL;
46 X509 *x = NULL;
47
48 if ((cert = BIO_new_file(file, "r")) == NULL)
49 goto end;
50 x = PEM_read_bio_X509_AUX(cert, NULL, NULL, NULL);
51 end:
52 if (x == NULL)
53 TSerr(TS_F_TS_CONF_LOAD_CERT, TS_R_CANNOT_LOAD_CERT);
54 BIO_free(cert);
55 return x;
56}
57
58STACK_OF(X509) *TS_CONF_load_certs(const char *file)
59{
60 BIO *certs = NULL;
61 STACK_OF(X509) *othercerts = NULL;
62 STACK_OF(X509_INFO) *allcerts = NULL;
63 int i;
64
65 if ((certs = BIO_new_file(file, "r")) == NULL)
66 goto end;
67 if ((othercerts = sk_X509_new_null()) == NULL)
68 goto end;
69
70 allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
71 for (i = 0; i < sk_X509_INFO_num(allcerts); i++) {
72 X509_INFO *xi = sk_X509_INFO_value(allcerts, i);
73 if (xi->x509) {
74 sk_X509_push(othercerts, xi->x509);
75 xi->x509 = NULL;
76 }
77 }
78 end:
79 if (othercerts == NULL)
80 TSerr(TS_F_TS_CONF_LOAD_CERTS, TS_R_CANNOT_LOAD_CERT);
81 sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
82 BIO_free(certs);
83 return othercerts;
84}
85
86EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass)
87{
88 BIO *key = NULL;
89 EVP_PKEY *pkey = NULL;
90
91 if ((key = BIO_new_file(file, "r")) == NULL)
92 goto end;
93 pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, (char *)pass);
94 end:
95 if (pkey == NULL)
96 TSerr(TS_F_TS_CONF_LOAD_KEY, TS_R_CANNOT_LOAD_KEY);
97 BIO_free(key);
98 return pkey;
99}
100
101/* Function definitions for handling configuration options. */
102
103static void ts_CONF_lookup_fail(const char *name, const char *tag)
104{
105 TSerr(TS_F_TS_CONF_LOOKUP_FAIL, TS_R_VAR_LOOKUP_FAILURE);
106 ERR_add_error_data(3, name, "::", tag);
107}
108
109static void ts_CONF_invalid(const char *name, const char *tag)
110{
111 TSerr(TS_F_TS_CONF_INVALID, TS_R_VAR_BAD_VALUE);
112 ERR_add_error_data(3, name, "::", tag);
113}
114
115const char *TS_CONF_get_tsa_section(CONF *conf, const char *section)
116{
117 if (!section) {
118 section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_TSA);
119 if (!section)
120 ts_CONF_lookup_fail(BASE_SECTION, ENV_DEFAULT_TSA);
121 }
122 return section;
123}
124
125int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
126 TS_RESP_CTX *ctx)
127{
128 int ret = 0;
129 char *serial = NCONF_get_string(conf, section, ENV_SERIAL);
130 if (!serial) {
131 ts_CONF_lookup_fail(section, ENV_SERIAL);
132 goto err;
133 }
134 TS_RESP_CTX_set_serial_cb(ctx, cb, serial);
135
136 ret = 1;
137 err:
138 return ret;
139}
140
141#ifndef OPENSSL_NO_ENGINE
142
143int TS_CONF_set_crypto_device(CONF *conf, const char *section,
144 const char *device)
145{
146 int ret = 0;
147
148 if (device == NULL)
149 device = NCONF_get_string(conf, section, ENV_CRYPTO_DEVICE);
150
151 if (device && !TS_CONF_set_default_engine(device)) {
152 ts_CONF_invalid(section, ENV_CRYPTO_DEVICE);
153 goto err;
154 }
155 ret = 1;
156 err:
157 return ret;
158}
159
160int TS_CONF_set_default_engine(const char *name)
161{
162 ENGINE *e = NULL;
163 int ret = 0;
164
165 if (strcmp(name, "builtin") == 0)
166 return 1;
167
168 if ((e = ENGINE_by_id(name)) == NULL)
169 goto err;
170 if (strcmp(name, "chil") == 0)
171 ENGINE_ctrl(e, ENGINE_CTRL_CHIL_SET_FORKCHECK, 1, 0, 0);
172 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL))
173 goto err;
174 ret = 1;
175
176 err:
177 if (!ret) {
178 TSerr(TS_F_TS_CONF_SET_DEFAULT_ENGINE, TS_R_COULD_NOT_SET_ENGINE);
179 ERR_add_error_data(2, "engine:", name);
180 }
181 ENGINE_free(e);
182 return ret;
183}
184
185#endif
186
187int TS_CONF_set_signer_cert(CONF *conf, const char *section,
188 const char *cert, TS_RESP_CTX *ctx)
189{
190 int ret = 0;
191 X509 *cert_obj = NULL;
192
193 if (cert == NULL) {
194 cert = NCONF_get_string(conf, section, ENV_SIGNER_CERT);
195 if (cert == NULL) {
196 ts_CONF_lookup_fail(section, ENV_SIGNER_CERT);
197 goto err;
198 }
199 }
200 if ((cert_obj = TS_CONF_load_cert(cert)) == NULL)
201 goto err;
202 if (!TS_RESP_CTX_set_signer_cert(ctx, cert_obj))
203 goto err;
204
205 ret = 1;
206 err:
207 X509_free(cert_obj);
208 return ret;
209}
210
211int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
212 TS_RESP_CTX *ctx)
213{
214 int ret = 0;
215 STACK_OF(X509) *certs_obj = NULL;
216
217 if (certs == NULL) {
218 /* Certificate chain is optional. */
219 if ((certs = NCONF_get_string(conf, section, ENV_CERTS)) == NULL)
220 goto end;
221 }
222 if ((certs_obj = TS_CONF_load_certs(certs)) == NULL)
223 goto err;
224 if (!TS_RESP_CTX_set_certs(ctx, certs_obj))
225 goto err;
226 end:
227 ret = 1;
228 err:
229 sk_X509_pop_free(certs_obj, X509_free);
230 return ret;
231}
232
233int TS_CONF_set_signer_key(CONF *conf, const char *section,
234 const char *key, const char *pass,
235 TS_RESP_CTX *ctx)
236{
237 int ret = 0;
238 EVP_PKEY *key_obj = NULL;
239 if (!key)
240 key = NCONF_get_string(conf, section, ENV_SIGNER_KEY);
241 if (!key) {
242 ts_CONF_lookup_fail(section, ENV_SIGNER_KEY);
243 goto err;
244 }
245 if ((key_obj = TS_CONF_load_key(key, pass)) == NULL)
246 goto err;
247 if (!TS_RESP_CTX_set_signer_key(ctx, key_obj))
248 goto err;
249
250 ret = 1;
251 err:
252 EVP_PKEY_free(key_obj);
253 return ret;
254}
255
256int TS_CONF_set_signer_digest(CONF *conf, const char *section,
257 const char *md, TS_RESP_CTX *ctx)
258{
259 int ret = 0;
260 const EVP_MD *sign_md = NULL;
261 if (md == NULL)
262 md = NCONF_get_string(conf, section, ENV_SIGNER_DIGEST);
263 if (md == NULL) {
264 ts_CONF_lookup_fail(section, ENV_SIGNER_DIGEST);
265 goto err;
266 }
267 sign_md = EVP_get_digestbyname(md);
268 if (sign_md == NULL) {
269 ts_CONF_invalid(section, ENV_SIGNER_DIGEST);
270 goto err;
271 }
272 if (!TS_RESP_CTX_set_signer_digest(ctx, sign_md))
273 goto err;
274
275 ret = 1;
276 err:
277 return ret;
278}
279
280int TS_CONF_set_def_policy(CONF *conf, const char *section,
281 const char *policy, TS_RESP_CTX *ctx)
282{
283 int ret = 0;
284 ASN1_OBJECT *policy_obj = NULL;
285 if (!policy)
286 policy = NCONF_get_string(conf, section, ENV_DEFAULT_POLICY);
287 if (!policy) {
288 ts_CONF_lookup_fail(section, ENV_DEFAULT_POLICY);
289 goto err;
290 }
291 if ((policy_obj = OBJ_txt2obj(policy, 0)) == NULL) {
292 ts_CONF_invalid(section, ENV_DEFAULT_POLICY);
293 goto err;
294 }
295 if (!TS_RESP_CTX_set_def_policy(ctx, policy_obj))
296 goto err;
297
298 ret = 1;
299 err:
300 ASN1_OBJECT_free(policy_obj);
301 return ret;
302}
303
304int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx)
305{
306 int ret = 0;
307 int i;
308 STACK_OF(CONF_VALUE) *list = NULL;
309 char *policies = NCONF_get_string(conf, section, ENV_OTHER_POLICIES);
310
311 /* If no other policy is specified, that's fine. */
312 if (policies && (list = X509V3_parse_list(policies)) == NULL) {
313 ts_CONF_invalid(section, ENV_OTHER_POLICIES);
314 goto err;
315 }
316 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
317 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
318 const char *extval = val->value ? val->value : val->name;
319 ASN1_OBJECT *objtmp;
320
321 if ((objtmp = OBJ_txt2obj(extval, 0)) == NULL) {
322 ts_CONF_invalid(section, ENV_OTHER_POLICIES);
323 goto err;
324 }
325 if (!TS_RESP_CTX_add_policy(ctx, objtmp))
326 goto err;
327 ASN1_OBJECT_free(objtmp);
328 }
329
330 ret = 1;
331 err:
332 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
333 return ret;
334}
335
336int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx)
337{
338 int ret = 0;
339 int i;
340 STACK_OF(CONF_VALUE) *list = NULL;
341 char *digests = NCONF_get_string(conf, section, ENV_DIGESTS);
342
343 if (digests == NULL) {
344 ts_CONF_lookup_fail(section, ENV_DIGESTS);
345 goto err;
346 }
347 if ((list = X509V3_parse_list(digests)) == NULL) {
348 ts_CONF_invalid(section, ENV_DIGESTS);
349 goto err;
350 }
351 if (sk_CONF_VALUE_num(list) == 0) {
352 ts_CONF_invalid(section, ENV_DIGESTS);
353 goto err;
354 }
355 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
356 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
357 const char *extval = val->value ? val->value : val->name;
358 const EVP_MD *md;
359
360 if ((md = EVP_get_digestbyname(extval)) == NULL) {
361 ts_CONF_invalid(section, ENV_DIGESTS);
362 goto err;
363 }
364 if (!TS_RESP_CTX_add_md(ctx, md))
365 goto err;
366 }
367
368 ret = 1;
369 err:
370 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
371 return ret;
372}
373
374int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx)
375{
376 int ret = 0;
377 int i;
378 int secs = 0, millis = 0, micros = 0;
379 STACK_OF(CONF_VALUE) *list = NULL;
380 char *accuracy = NCONF_get_string(conf, section, ENV_ACCURACY);
381
382 if (accuracy && (list = X509V3_parse_list(accuracy)) == NULL) {
383 ts_CONF_invalid(section, ENV_ACCURACY);
384 goto err;
385 }
386 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
387 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
388 if (strcmp(val->name, ENV_VALUE_SECS) == 0) {
389 if (val->value)
390 secs = atoi(val->value);
391 } else if (strcmp(val->name, ENV_VALUE_MILLISECS) == 0) {
392 if (val->value)
393 millis = atoi(val->value);
394 } else if (strcmp(val->name, ENV_VALUE_MICROSECS) == 0) {
395 if (val->value)
396 micros = atoi(val->value);
397 } else {
398 ts_CONF_invalid(section, ENV_ACCURACY);
399 goto err;
400 }
401 }
402 if (!TS_RESP_CTX_set_accuracy(ctx, secs, millis, micros))
403 goto err;
404
405 ret = 1;
406 err:
407 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
408 return ret;
409}
410
411int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
412 TS_RESP_CTX *ctx)
413{
414 int ret = 0;
415 long digits = 0;
416
417 /*
418 * If not specified, set the default value to 0, i.e. sec precision
419 */
420 if (!NCONF_get_number_e(conf, section, ENV_CLOCK_PRECISION_DIGITS,
421 &digits))
422 digits = 0;
423 if (digits < 0 || digits > TS_MAX_CLOCK_PRECISION_DIGITS) {
424 ts_CONF_invalid(section, ENV_CLOCK_PRECISION_DIGITS);
425 goto err;
426 }
427
428 if (!TS_RESP_CTX_set_clock_precision_digits(ctx, digits))
429 goto err;
430
431 return 1;
432 err:
433 return ret;
434}
435
436static int ts_CONF_add_flag(CONF *conf, const char *section,
437 const char *field, int flag, TS_RESP_CTX *ctx)
438{
439 const char *value = NCONF_get_string(conf, section, field);
440
441 if (value) {
442 if (strcmp(value, ENV_VALUE_YES) == 0)
443 TS_RESP_CTX_add_flags(ctx, flag);
444 else if (strcmp(value, ENV_VALUE_NO) != 0) {
445 ts_CONF_invalid(section, field);
446 return 0;
447 }
448 }
449
450 return 1;
451}
452
453int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx)
454{
455 return ts_CONF_add_flag(conf, section, ENV_ORDERING, TS_ORDERING, ctx);
456}
457
458int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx)
459{
460 return ts_CONF_add_flag(conf, section, ENV_TSA_NAME, TS_TSA_NAME, ctx);
461}
462
463int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
464 TS_RESP_CTX *ctx)
465{
466 return ts_CONF_add_flag(conf, section, ENV_ESS_CERT_ID_CHAIN,
467 TS_ESS_CERT_ID_CHAIN, ctx);
468}
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