1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57 #include <openssl/asn1.h>
58 #include <openssl/bio.h>
59 #include <openssl/digest.h>
60 #include <openssl/err.h>
61 #include <openssl/evp.h>
62 #include <openssl/mem.h>
63 #include <openssl/obj.h>
64 #include <openssl/x509.h>
65 #include <openssl/x509v3.h>
66
67 #include "internal.h"
68
69
70 #ifndef OPENSSL_NO_FP_API
X509_print_ex_fp(FILE * fp,X509 * x,unsigned long nmflag,unsigned long cflag)71 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
72 unsigned long cflag)
73 {
74 BIO *b;
75 int ret;
76
77 if ((b = BIO_new(BIO_s_file())) == NULL) {
78 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
79 return (0);
80 }
81 BIO_set_fp(b, fp, BIO_NOCLOSE);
82 ret = X509_print_ex(b, x, nmflag, cflag);
83 BIO_free(b);
84 return (ret);
85 }
86
X509_print_fp(FILE * fp,X509 * x)87 int X509_print_fp(FILE *fp, X509 *x)
88 {
89 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
90 }
91 #endif
92
X509_print(BIO * bp,X509 * x)93 int X509_print(BIO *bp, X509 *x)
94 {
95 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
96 }
97
X509_print_ex(BIO * bp,X509 * x,unsigned long nmflags,unsigned long cflag)98 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
99 unsigned long cflag)
100 {
101 long l;
102 int ret = 0, i;
103 char *m = NULL, mlch = ' ';
104 int nmindent = 0;
105 X509_CINF *ci;
106 ASN1_INTEGER *bs;
107 EVP_PKEY *pkey = NULL;
108 const char *neg;
109
110 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
111 mlch = '\n';
112 nmindent = 12;
113 }
114
115 if (nmflags == X509_FLAG_COMPAT)
116 nmindent = 16;
117
118 ci = x->cert_info;
119 if (!(cflag & X509_FLAG_NO_HEADER)) {
120 if (BIO_write(bp, "Certificate:\n", 13) <= 0)
121 goto err;
122 if (BIO_write(bp, " Data:\n", 10) <= 0)
123 goto err;
124 }
125 if (!(cflag & X509_FLAG_NO_VERSION)) {
126 l = X509_get_version(x);
127 if (BIO_printf(bp, "%8sVersion: %lu (0x%lx)\n", "", l + 1, l) <= 0)
128 goto err;
129 }
130 if (!(cflag & X509_FLAG_NO_SERIAL)) {
131
132 if (BIO_write(bp, " Serial Number:", 22) <= 0)
133 goto err;
134
135 bs = X509_get_serialNumber(x);
136 if (bs->length < (int)sizeof(long)
137 || (bs->length == sizeof(long) && (bs->data[0] & 0x80) == 0)) {
138 l = ASN1_INTEGER_get(bs);
139 if (bs->type == V_ASN1_NEG_INTEGER) {
140 l = -l;
141 neg = "-";
142 } else
143 neg = "";
144 if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, l, neg, l) <= 0)
145 goto err;
146 } else {
147 neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
148 if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
149 goto err;
150
151 for (i = 0; i < bs->length; i++) {
152 if (BIO_printf(bp, "%02x%c", bs->data[i],
153 ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
154 goto err;
155 }
156 }
157
158 }
159
160 if (!(cflag & X509_FLAG_NO_SIGNAME)) {
161 if (X509_signature_print(bp, ci->signature, NULL) <= 0)
162 goto err;
163 }
164
165 if (!(cflag & X509_FLAG_NO_ISSUER)) {
166 if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
167 goto err;
168 if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
169 < 0)
170 goto err;
171 if (BIO_write(bp, "\n", 1) <= 0)
172 goto err;
173 }
174 if (!(cflag & X509_FLAG_NO_VALIDITY)) {
175 if (BIO_write(bp, " Validity\n", 17) <= 0)
176 goto err;
177 if (BIO_write(bp, " Not Before: ", 24) <= 0)
178 goto err;
179 if (!ASN1_TIME_print(bp, X509_get_notBefore(x)))
180 goto err;
181 if (BIO_write(bp, "\n Not After : ", 25) <= 0)
182 goto err;
183 if (!ASN1_TIME_print(bp, X509_get_notAfter(x)))
184 goto err;
185 if (BIO_write(bp, "\n", 1) <= 0)
186 goto err;
187 }
188 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
189 if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
190 goto err;
191 if (X509_NAME_print_ex
192 (bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
193 goto err;
194 if (BIO_write(bp, "\n", 1) <= 0)
195 goto err;
196 }
197 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
198 if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
199 goto err;
200 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
201 goto err;
202 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
203 goto err;
204 if (BIO_puts(bp, "\n") <= 0)
205 goto err;
206
207 pkey = X509_get_pubkey(x);
208 if (pkey == NULL) {
209 BIO_printf(bp, "%12sUnable to load Public Key\n", "");
210 BIO_print_errors(bp);
211 } else {
212 EVP_PKEY_print_public(bp, pkey, 16, NULL);
213 EVP_PKEY_free(pkey);
214 }
215 }
216
217 if (!(cflag & X509_FLAG_NO_IDS)) {
218 if (ci->issuerUID) {
219 if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
220 goto err;
221 if (!X509_signature_dump(bp, ci->issuerUID, 12))
222 goto err;
223 }
224 if (ci->subjectUID) {
225 if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
226 goto err;
227 if (!X509_signature_dump(bp, ci->subjectUID, 12))
228 goto err;
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
X509_ocspid_print(BIO * bp,X509 * x)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
X509_signature_print(BIO * bp,X509_ALGOR * sigalg,ASN1_STRING * sig)301 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
302 {
303 if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
304 return 0;
305 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
306 return 0;
307
308 /* RSA-PSS signatures have parameters to print. */
309 int sig_nid = OBJ_obj2nid(sigalg->algorithm);
310 if (sig_nid == NID_rsassaPss &&
311 !x509_print_rsa_pss_params(bp, sigalg, 9, 0)) {
312 return 0;
313 }
314
315 if (sig)
316 return X509_signature_dump(bp, sig, 9);
317 else if (BIO_puts(bp, "\n") <= 0)
318 return 0;
319 return 1;
320 }
321
ASN1_STRING_print(BIO * bp,const ASN1_STRING * v)322 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
323 {
324 int i, n;
325 char buf[80];
326 const char *p;
327
328 if (v == NULL)
329 return (0);
330 n = 0;
331 p = (const char *)v->data;
332 for (i = 0; i < v->length; i++) {
333 if ((p[i] > '~') || ((p[i] < ' ') &&
334 (p[i] != '\n') && (p[i] != '\r')))
335 buf[n] = '.';
336 else
337 buf[n] = p[i];
338 n++;
339 if (n >= 80) {
340 if (BIO_write(bp, buf, n) <= 0)
341 return (0);
342 n = 0;
343 }
344 }
345 if (n > 0)
346 if (BIO_write(bp, buf, n) <= 0)
347 return (0);
348 return (1);
349 }
350
ASN1_TIME_print(BIO * bp,const ASN1_TIME * tm)351 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
352 {
353 if (tm->type == V_ASN1_UTCTIME)
354 return ASN1_UTCTIME_print(bp, tm);
355 if (tm->type == V_ASN1_GENERALIZEDTIME)
356 return ASN1_GENERALIZEDTIME_print(bp, tm);
357 BIO_write(bp, "Bad time value", 14);
358 return (0);
359 }
360
361 static const char *const mon[12] = {
362 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
363 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
364 };
365
ASN1_GENERALIZEDTIME_print(BIO * bp,const ASN1_GENERALIZEDTIME * tm)366 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
367 {
368 char *v;
369 int gmt = 0;
370 int i;
371 int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
372 char *f = NULL;
373 int f_len = 0;
374
375 i = tm->length;
376 v = (char *)tm->data;
377
378 if (i < 12)
379 goto err;
380 if (v[i - 1] == 'Z')
381 gmt = 1;
382 for (i = 0; i < 12; i++)
383 if ((v[i] > '9') || (v[i] < '0'))
384 goto err;
385 y = (v[0] - '0') * 1000 + (v[1] - '0') * 100 + (v[2] - '0') * 10 + (v[3] -
386 '0');
387 M = (v[4] - '0') * 10 + (v[5] - '0');
388 if ((M > 12) || (M < 1))
389 goto err;
390 d = (v[6] - '0') * 10 + (v[7] - '0');
391 h = (v[8] - '0') * 10 + (v[9] - '0');
392 m = (v[10] - '0') * 10 + (v[11] - '0');
393 if (tm->length >= 14 &&
394 (v[12] >= '0') && (v[12] <= '9') &&
395 (v[13] >= '0') && (v[13] <= '9')) {
396 s = (v[12] - '0') * 10 + (v[13] - '0');
397 /* Check for fractions of seconds. */
398 if (tm->length >= 15 && v[14] == '.') {
399 int l = tm->length;
400 f = &v[14]; /* The decimal point. */
401 f_len = 1;
402 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
403 ++f_len;
404 }
405 }
406
407 if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
408 mon[M - 1], d, h, m, s, f_len, f, y,
409 (gmt) ? " GMT" : "") <= 0)
410 return (0);
411 else
412 return (1);
413 err:
414 BIO_write(bp, "Bad time value", 14);
415 return (0);
416 }
417
ASN1_UTCTIME_print(BIO * bp,const ASN1_UTCTIME * tm)418 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
419 {
420 const char *v;
421 int gmt = 0;
422 int i;
423 int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
424
425 i = tm->length;
426 v = (const char *)tm->data;
427
428 if (i < 10)
429 goto err;
430 if (v[i - 1] == 'Z')
431 gmt = 1;
432 for (i = 0; i < 10; i++)
433 if ((v[i] > '9') || (v[i] < '0'))
434 goto err;
435 y = (v[0] - '0') * 10 + (v[1] - '0');
436 if (y < 50)
437 y += 100;
438 M = (v[2] - '0') * 10 + (v[3] - '0');
439 if ((M > 12) || (M < 1))
440 goto err;
441 d = (v[4] - '0') * 10 + (v[5] - '0');
442 h = (v[6] - '0') * 10 + (v[7] - '0');
443 m = (v[8] - '0') * 10 + (v[9] - '0');
444 if (tm->length >= 12 &&
445 (v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9'))
446 s = (v[10] - '0') * 10 + (v[11] - '0');
447
448 if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s",
449 mon[M - 1], d, h, m, s, y + 1900,
450 (gmt) ? " GMT" : "") <= 0)
451 return (0);
452 else
453 return (1);
454 err:
455 BIO_write(bp, "Bad time value", 14);
456 return (0);
457 }
458
X509_NAME_print(BIO * bp,X509_NAME * name,int obase)459 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
460 {
461 char *s, *c, *b;
462 int ret = 0, l, i;
463
464 l = 80 - 2 - obase;
465
466 b = X509_NAME_oneline(name, NULL, 0);
467 if (!b)
468 return 0;
469 if (!*b) {
470 OPENSSL_free(b);
471 return 1;
472 }
473 s = b + 1; /* skip the first slash */
474
475 c = s;
476 for (;;) {
477 if (((*s == '/') &&
478 ((s[1] >= 'A') && (s[1] <= 'Z') && ((s[2] == '=') ||
479 ((s[2] >= 'A')
480 && (s[2] <= 'Z')
481 && (s[3] == '='))
482 ))) || (*s == '\0')) {
483 i = s - c;
484 if (BIO_write(bp, c, i) != i)
485 goto err;
486 c = s + 1; /* skip following slash */
487 if (*s != '\0') {
488 if (BIO_write(bp, ", ", 2) != 2)
489 goto err;
490 }
491 l--;
492 }
493 if (*s == '\0')
494 break;
495 s++;
496 l--;
497 }
498
499 ret = 1;
500 if (0) {
501 err:
502 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
503 }
504 OPENSSL_free(b);
505 return (ret);
506 }
507