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root/src/vendor-crypto/openssl/dist/crypto/asn1/t_x509.c
Revision: 11605
Committed: Sun Jul 8 16:16:48 2018 UTC (5 years, 9 months ago) by laffer1
Content type: text/plain
File size: 16485 byte(s)
Log Message:
import openssl 1.0.1u

File Contents

# Content
1 /* crypto/asn1/t_x509.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/buffer.h>
62 #include <openssl/bn.h>
63 #ifndef OPENSSL_NO_RSA
64 # include <openssl/rsa.h>
65 #endif
66 #ifndef OPENSSL_NO_DSA
67 # include <openssl/dsa.h>
68 #endif
69 #ifndef OPENSSL_NO_EC
70 # include <openssl/ec.h>
71 #endif
72 #include <openssl/objects.h>
73 #include <openssl/x509.h>
74 #include <openssl/x509v3.h>
75 #include "asn1_locl.h"
76
77 #ifndef OPENSSL_NO_FP_API
78 int X509_print_fp(FILE *fp, X509 *x)
79 {
80 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
81 }
82
83 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
84 unsigned long cflag)
85 {
86 BIO *b;
87 int ret;
88
89 if ((b = BIO_new(BIO_s_file())) == NULL) {
90 X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB);
91 return (0);
92 }
93 BIO_set_fp(b, fp, BIO_NOCLOSE);
94 ret = X509_print_ex(b, x, nmflag, cflag);
95 BIO_free(b);
96 return (ret);
97 }
98 #endif
99
100 int X509_print(BIO *bp, X509 *x)
101 {
102 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
103 }
104
105 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
106 unsigned long cflag)
107 {
108 long l;
109 int ret = 0, i;
110 char *m = NULL, mlch = ' ';
111 int nmindent = 0;
112 X509_CINF *ci;
113 ASN1_INTEGER *bs;
114 EVP_PKEY *pkey = NULL;
115 const char *neg;
116
117 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
118 mlch = '\n';
119 nmindent = 12;
120 }
121
122 if (nmflags == X509_FLAG_COMPAT)
123 nmindent = 16;
124
125 ci = x->cert_info;
126 if (!(cflag & X509_FLAG_NO_HEADER)) {
127 if (BIO_write(bp, "Certificate:\n", 13) <= 0)
128 goto err;
129 if (BIO_write(bp, " Data:\n", 10) <= 0)
130 goto err;
131 }
132 if (!(cflag & X509_FLAG_NO_VERSION)) {
133 l = X509_get_version(x);
134 if (BIO_printf(bp, "%8sVersion: %lu (0x%lx)\n", "", l + 1, l) <= 0)
135 goto err;
136 }
137 if (!(cflag & X509_FLAG_NO_SERIAL)) {
138
139 if (BIO_write(bp, " Serial Number:", 22) <= 0)
140 goto err;
141
142 bs = X509_get_serialNumber(x);
143 if (bs->length < (int)sizeof(long)
144 || (bs->length == sizeof(long) && (bs->data[0] & 0x80) == 0)) {
145 l = ASN1_INTEGER_get(bs);
146 if (bs->type == V_ASN1_NEG_INTEGER) {
147 l = -l;
148 neg = "-";
149 } else
150 neg = "";
151 if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, l, neg, l) <= 0)
152 goto err;
153 } else {
154 neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
155 if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
156 goto err;
157
158 for (i = 0; i < bs->length; i++) {
159 if (BIO_printf(bp, "%02x%c", bs->data[i],
160 ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
161 goto err;
162 }
163 }
164
165 }
166
167 if (!(cflag & X509_FLAG_NO_SIGNAME)) {
168 if (X509_signature_print(bp, ci->signature, NULL) <= 0)
169 goto err;
170 #if 0
171 if (BIO_printf(bp, "%8sSignature Algorithm: ", "") <= 0)
172 goto err;
173 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
174 goto err;
175 if (BIO_puts(bp, "\n") <= 0)
176 goto err;
177 #endif
178 }
179
180 if (!(cflag & X509_FLAG_NO_ISSUER)) {
181 if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
182 goto err;
183 if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
184 < 0)
185 goto err;
186 if (BIO_write(bp, "\n", 1) <= 0)
187 goto err;
188 }
189 if (!(cflag & X509_FLAG_NO_VALIDITY)) {
190 if (BIO_write(bp, " Validity\n", 17) <= 0)
191 goto err;
192 if (BIO_write(bp, " Not Before: ", 24) <= 0)
193 goto err;
194 if (!ASN1_TIME_print(bp, X509_get_notBefore(x)))
195 goto err;
196 if (BIO_write(bp, "\n Not After : ", 25) <= 0)
197 goto err;
198 if (!ASN1_TIME_print(bp, X509_get_notAfter(x)))
199 goto err;
200 if (BIO_write(bp, "\n", 1) <= 0)
201 goto err;
202 }
203 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
204 if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
205 goto err;
206 if (X509_NAME_print_ex
207 (bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
208 goto err;
209 if (BIO_write(bp, "\n", 1) <= 0)
210 goto err;
211 }
212 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
213 if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
214 goto err;
215 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
216 goto err;
217 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
218 goto err;
219 if (BIO_puts(bp, "\n") <= 0)
220 goto err;
221
222 pkey = X509_get_pubkey(x);
223 if (pkey == NULL) {
224 BIO_printf(bp, "%12sUnable to load Public Key\n", "");
225 ERR_print_errors(bp);
226 } else {
227 EVP_PKEY_print_public(bp, pkey, 16, NULL);
228 EVP_PKEY_free(pkey);
229 }
230 }
231
232 if (!(cflag & X509_FLAG_NO_EXTENSIONS))
233 X509V3_extensions_print(bp, "X509v3 extensions",
234 ci->extensions, cflag, 8);
235
236 if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
237 if (X509_signature_print(bp, x->sig_alg, x->signature) <= 0)
238 goto err;
239 }
240 if (!(cflag & X509_FLAG_NO_AUX)) {
241 if (!X509_CERT_AUX_print(bp, x->aux, 0))
242 goto err;
243 }
244 ret = 1;
245 err:
246 if (m != NULL)
247 OPENSSL_free(m);
248 return (ret);
249 }
250
251 int X509_ocspid_print(BIO *bp, X509 *x)
252 {
253 unsigned char *der = NULL;
254 unsigned char *dertmp;
255 int derlen;
256 int i;
257 unsigned char SHA1md[SHA_DIGEST_LENGTH];
258
259 /*
260 * display the hash of the subject as it would appear in OCSP requests
261 */
262 if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
263 goto err;
264 derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
265 if ((der = dertmp = (unsigned char *)OPENSSL_malloc(derlen)) == NULL)
266 goto err;
267 i2d_X509_NAME(x->cert_info->subject, &dertmp);
268
269 if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
270 goto err;
271 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
272 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
273 goto err;
274 }
275 OPENSSL_free(der);
276 der = NULL;
277
278 /*
279 * display the hash of the public key as it would appear in OCSP requests
280 */
281 if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
282 goto err;
283
284 if (!EVP_Digest(x->cert_info->key->public_key->data,
285 x->cert_info->key->public_key->length,
286 SHA1md, NULL, EVP_sha1(), NULL))
287 goto err;
288 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
289 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
290 goto err;
291 }
292 BIO_printf(bp, "\n");
293
294 return (1);
295 err:
296 if (der != NULL)
297 OPENSSL_free(der);
298 return (0);
299 }
300
301 int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
302 {
303 const unsigned char *s;
304 int i, n;
305
306 n = sig->length;
307 s = sig->data;
308 for (i = 0; i < n; i++) {
309 if ((i % 18) == 0) {
310 if (BIO_write(bp, "\n", 1) <= 0)
311 return 0;
312 if (BIO_indent(bp, indent, indent) <= 0)
313 return 0;
314 }
315 if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
316 return 0;
317 }
318 if (BIO_write(bp, "\n", 1) != 1)
319 return 0;
320
321 return 1;
322 }
323
324 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
325 {
326 int sig_nid;
327 if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
328 return 0;
329 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
330 return 0;
331
332 sig_nid = OBJ_obj2nid(sigalg->algorithm);
333 if (sig_nid != NID_undef) {
334 int pkey_nid, dig_nid;
335 const EVP_PKEY_ASN1_METHOD *ameth;
336 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
337 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
338 if (ameth && ameth->sig_print)
339 return ameth->sig_print(bp, sigalg, sig, 9, 0);
340 }
341 }
342 if (sig)
343 return X509_signature_dump(bp, sig, 9);
344 else if (BIO_puts(bp, "\n") <= 0)
345 return 0;
346 return 1;
347 }
348
349 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
350 {
351 int i, n;
352 char buf[80];
353 const char *p;
354
355 if (v == NULL)
356 return (0);
357 n = 0;
358 p = (const char *)v->data;
359 for (i = 0; i < v->length; i++) {
360 if ((p[i] > '~') || ((p[i] < ' ') &&
361 (p[i] != '\n') && (p[i] != '\r')))
362 buf[n] = '.';
363 else
364 buf[n] = p[i];
365 n++;
366 if (n >= 80) {
367 if (BIO_write(bp, buf, n) <= 0)
368 return (0);
369 n = 0;
370 }
371 }
372 if (n > 0)
373 if (BIO_write(bp, buf, n) <= 0)
374 return (0);
375 return (1);
376 }
377
378 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
379 {
380 if (tm->type == V_ASN1_UTCTIME)
381 return ASN1_UTCTIME_print(bp, tm);
382 if (tm->type == V_ASN1_GENERALIZEDTIME)
383 return ASN1_GENERALIZEDTIME_print(bp, tm);
384 BIO_write(bp, "Bad time value", 14);
385 return (0);
386 }
387
388 static const char *mon[12] = {
389 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
390 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
391 };
392
393 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
394 {
395 char *v;
396 int gmt = 0;
397 int i;
398 int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
399 char *f = NULL;
400 int f_len = 0;
401
402 i = tm->length;
403 v = (char *)tm->data;
404
405 if (i < 12)
406 goto err;
407 if (v[i - 1] == 'Z')
408 gmt = 1;
409 for (i = 0; i < 12; i++)
410 if ((v[i] > '9') || (v[i] < '0'))
411 goto err;
412 y = (v[0] - '0') * 1000 + (v[1] - '0') * 100
413 + (v[2] - '0') * 10 + (v[3] - '0');
414 M = (v[4] - '0') * 10 + (v[5] - '0');
415 if ((M > 12) || (M < 1))
416 goto err;
417 d = (v[6] - '0') * 10 + (v[7] - '0');
418 h = (v[8] - '0') * 10 + (v[9] - '0');
419 m = (v[10] - '0') * 10 + (v[11] - '0');
420 if (tm->length >= 14 &&
421 (v[12] >= '0') && (v[12] <= '9') &&
422 (v[13] >= '0') && (v[13] <= '9')) {
423 s = (v[12] - '0') * 10 + (v[13] - '0');
424 /* Check for fractions of seconds. */
425 if (tm->length >= 15 && v[14] == '.') {
426 int l = tm->length;
427 f = &v[14]; /* The decimal point. */
428 f_len = 1;
429 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
430 ++f_len;
431 }
432 }
433
434 if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
435 mon[M - 1], d, h, m, s, f_len, f, y,
436 (gmt) ? " GMT" : "") <= 0)
437 return (0);
438 else
439 return (1);
440 err:
441 BIO_write(bp, "Bad time value", 14);
442 return (0);
443 }
444
445 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
446 {
447 const char *v;
448 int gmt = 0;
449 int i;
450 int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
451
452 i = tm->length;
453 v = (const char *)tm->data;
454
455 if (i < 10)
456 goto err;
457 if (v[i - 1] == 'Z')
458 gmt = 1;
459 for (i = 0; i < 10; i++)
460 if ((v[i] > '9') || (v[i] < '0'))
461 goto err;
462 y = (v[0] - '0') * 10 + (v[1] - '0');
463 if (y < 50)
464 y += 100;
465 M = (v[2] - '0') * 10 + (v[3] - '0');
466 if ((M > 12) || (M < 1))
467 goto err;
468 d = (v[4] - '0') * 10 + (v[5] - '0');
469 h = (v[6] - '0') * 10 + (v[7] - '0');
470 m = (v[8] - '0') * 10 + (v[9] - '0');
471 if (tm->length >= 12 &&
472 (v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9'))
473 s = (v[10] - '0') * 10 + (v[11] - '0');
474
475 if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s",
476 mon[M - 1], d, h, m, s, y + 1900,
477 (gmt) ? " GMT" : "") <= 0)
478 return (0);
479 else
480 return (1);
481 err:
482 BIO_write(bp, "Bad time value", 14);
483 return (0);
484 }
485
486 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
487 {
488 char *s, *c, *b;
489 int ret = 0, l, i;
490
491 l = 80 - 2 - obase;
492
493 b = X509_NAME_oneline(name, NULL, 0);
494 if (!b)
495 return 0;
496 if (!*b) {
497 OPENSSL_free(b);
498 return 1;
499 }
500 s = b + 1; /* skip the first slash */
501
502 c = s;
503 for (;;) {
504 #ifndef CHARSET_EBCDIC
505 if (((*s == '/') &&
506 ((s[1] >= 'A') && (s[1] <= 'Z') && ((s[2] == '=') ||
507 ((s[2] >= 'A')
508 && (s[2] <= 'Z')
509 && (s[3] == '='))
510 ))) || (*s == '\0'))
511 #else
512 if (((*s == '/') &&
513 (isupper(s[1]) && ((s[2] == '=') ||
514 (isupper(s[2]) && (s[3] == '='))
515 ))) || (*s == '\0'))
516 #endif
517 {
518 i = s - c;
519 if (BIO_write(bp, c, i) != i)
520 goto err;
521 c = s + 1; /* skip following slash */
522 if (*s != '\0') {
523 if (BIO_write(bp, ", ", 2) != 2)
524 goto err;
525 }
526 l--;
527 }
528 if (*s == '\0')
529 break;
530 s++;
531 l--;
532 }
533
534 ret = 1;
535 if (0) {
536 err:
537 X509err(X509_F_X509_NAME_PRINT, ERR_R_BUF_LIB);
538 }
539 OPENSSL_free(b);
540 return (ret);
541 }