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d02b48c6 1/* crypto/asn1/t_x509.c */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE
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"
ec577822
BM
61#include <openssl/buffer.h>
62#include <openssl/bn.h>
cf1b7d96 63#ifndef OPENSSL_NO_RSA
ec577822 64#include <openssl/rsa.h>
d02b48c6 65#endif
cf1b7d96 66#ifndef OPENSSL_NO_DSA
ec577822 67#include <openssl/dsa.h>
d02b48c6 68#endif
14a7cfb3
BM
69#ifndef OPENSSL_NO_EC
70#include <openssl/ec.h>
4d94ae00 71#endif
ec577822
BM
72#include <openssl/objects.h>
73#include <openssl/x509.h>
74#include <openssl/x509v3.h>
fa1ba589 75#include "asn1_locl.h"
d02b48c6 76
cf1b7d96 77#ifndef OPENSSL_NO_FP_API
6b691a5c 78int X509_print_fp(FILE *fp, X509 *x)
d0c98589
DSH
79 {
80 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
81 }
82
83int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
d02b48c6
RE
84 {
85 BIO *b;
86 int ret;
87
88 if ((b=BIO_new(BIO_s_file())) == NULL)
89 {
8afca8d9 90 X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB);
d02b48c6
RE
91 return(0);
92 }
93 BIO_set_fp(b,fp,BIO_NOCLOSE);
d0c98589 94 ret=X509_print_ex(b, x, nmflag, cflag);
d02b48c6
RE
95 BIO_free(b);
96 return(ret);
97 }
98#endif
99
6b691a5c 100int X509_print(BIO *bp, X509 *x)
d0c98589
DSH
101{
102 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
103}
104
105int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
d02b48c6
RE
106 {
107 long l;
2c15d426 108 int ret=0,i;
de487514 109 char *m=NULL,mlch = ' ';
8ca533e3 110 int nmindent = 0;
d02b48c6
RE
111 X509_CINF *ci;
112 ASN1_INTEGER *bs;
113 EVP_PKEY *pkey=NULL;
e778802f 114 const char *neg;
d02b48c6 115
8ca533e3 116 if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
d0c98589 117 mlch = '\n';
535d79da 118 nmindent = 12;
8ca533e3
DSH
119 }
120
121 if(nmflags == X509_FLAG_COMPAT)
122 nmindent = 16;
d0c98589 123
d02b48c6 124 ci=x->cert_info;
d0c98589 125 if(!(cflag & X509_FLAG_NO_HEADER))
d02b48c6 126 {
d0c98589
DSH
127 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
128 if (BIO_write(bp," Data:\n",10) <= 0) goto err;
d02b48c6 129 }
d0c98589 130 if(!(cflag & X509_FLAG_NO_VERSION))
d02b48c6 131 {
d0c98589
DSH
132 l=X509_get_version(x);
133 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
134 }
135 if(!(cflag & X509_FLAG_NO_SERIAL))
136 {
137
138 if (BIO_write(bp," Serial Number:",22) <= 0) goto err;
d02b48c6 139
d0c98589
DSH
140 bs=X509_get_serialNumber(x);
141 if (bs->length <= 4)
d02b48c6 142 {
d0c98589
DSH
143 l=ASN1_INTEGER_get(bs);
144 if (l < 0)
145 {
146 l= -l;
147 neg="-";
148 }
149 else
150 neg="";
151 if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
d02b48c6
RE
152 goto err;
153 }
d0c98589
DSH
154 else
155 {
156 neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
157 if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
158
159 for (i=0; i<bs->length; i++)
160 {
161 if (BIO_printf(bp,"%02x%c",bs->data[i],
162 ((i+1 == bs->length)?'\n':':')) <= 0)
163 goto err;
164 }
165 }
166
d02b48c6
RE
167 }
168
d0c98589 169 if(!(cflag & X509_FLAG_NO_SIGNAME))
dfeab068 170 {
4ff18c8c
DSH
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)
d0c98589 176 goto err;
dfeab068 177 }
d0c98589
DSH
178
179 if(!(cflag & X509_FLAG_NO_ISSUER))
d02b48c6 180 {
d0c98589 181 if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err;
1e325f61 182 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
0a3ea5d3 183 if (BIO_write(bp,"\n",1) <= 0) goto err;
d02b48c6 184 }
d0c98589 185 if(!(cflag & X509_FLAG_NO_VALIDITY))
d02b48c6 186 {
0a3ea5d3 187 if (BIO_write(bp," Validity\n",17) <= 0) goto err;
d0c98589
DSH
188 if (BIO_write(bp," Not Before: ",24) <= 0) goto err;
189 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
190 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err;
191 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
192 if (BIO_write(bp,"\n",1) <= 0) goto err;
d02b48c6 193 }
d0c98589
DSH
194 if(!(cflag & X509_FLAG_NO_SUBJECT))
195 {
196 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err;
1e325f61 197 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
0a3ea5d3 198 if (BIO_write(bp,"\n",1) <= 0) goto err;
d0c98589
DSH
199 }
200 if(!(cflag & X509_FLAG_NO_PUBKEY))
201 {
0a3ea5d3 202 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0)
d0c98589 203 goto err;
4ff18c8c
DSH
204 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
205 goto err;
206 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
207 goto err;
208 if (BIO_puts(bp, "\n") <= 0)
209 goto err;
d0c98589
DSH
210
211 pkey=X509_get_pubkey(x);
212 if (pkey == NULL)
213 {
214 BIO_printf(bp,"%12sUnable to load Public Key\n","");
215 ERR_print_errors(bp);
216 }
217 else
4d94ae00 218 {
35208f36
DSH
219 EVP_PKEY_print_public(bp, pkey, 16, NULL);
220 EVP_PKEY_free(pkey);
4d94ae00 221 }
d0c98589 222 }
cfcf6453 223
2c15d426
DSH
224 if (!(cflag & X509_FLAG_NO_EXTENSIONS))
225 X509V3_extensions_print(bp, "X509v3 extensions",
226 ci->extensions, cflag, 8);
d02b48c6 227
d0c98589
DSH
228 if(!(cflag & X509_FLAG_NO_SIGDUMP))
229 {
de487514 230 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
d0c98589
DSH
231 }
232 if(!(cflag & X509_FLAG_NO_AUX))
d02b48c6 233 {
d0c98589 234 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
d02b48c6 235 }
d02b48c6
RE
236 ret=1;
237err:
26a3a48d 238 if (m != NULL) OPENSSL_free(m);
d02b48c6
RE
239 return(ret);
240 }
241
eb64730b
RL
242int X509_ocspid_print (BIO *bp, X509 *x)
243 {
244 unsigned char *der=NULL ;
245 unsigned char *dertmp;
246 int derlen;
247 int i;
eb64730b
RL
248 unsigned char SHA1md[SHA_DIGEST_LENGTH];
249
250 /* display the hash of the subject as it would appear
251 in OCSP requests */
252 if (BIO_printf(bp," Subject OCSP hash: ") <= 0)
253 goto err;
254 derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
255 if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
256 goto err;
257 i2d_X509_NAME(x->cert_info->subject, &dertmp);
258
b6dcdbfc
DSH
259 if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
260 goto err;
eb64730b
RL
261 for (i=0; i < SHA_DIGEST_LENGTH; i++)
262 {
263 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
264 }
265 OPENSSL_free (der);
266 der=NULL;
267
268 /* display the hash of the public key as it would appear
269 in OCSP requests */
270 if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0)
271 goto err;
272
b6dcdbfc
DSH
273 if (!EVP_Digest(x->cert_info->key->public_key->data,
274 x->cert_info->key->public_key->length,
275 SHA1md, NULL, EVP_sha1(), NULL))
276 goto err;
eb64730b
RL
277 for (i=0; i < SHA_DIGEST_LENGTH; i++)
278 {
279 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
280 goto err;
281 }
282 BIO_printf(bp,"\n");
283
284 return (1);
285err:
286 if (der != NULL) OPENSSL_free(der);
287 return(0);
288 }
289
fa1ba589 290int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
de487514 291{
fa1ba589 292 const unsigned char *s;
de487514 293 int i, n;
de487514
DSH
294
295 n=sig->length;
296 s=sig->data;
297 for (i=0; i<n; i++)
298 {
299 if ((i%18) == 0)
148924c1 300 {
fa1ba589
DSH
301 if (BIO_write(bp,"\n",1) <= 0) return 0;
302 if (BIO_indent(bp, indent, indent) <= 0) return 0;
148924c1 303 }
de487514
DSH
304 if (BIO_printf(bp,"%02x%s",s[i],
305 ((i+1) == n)?"":":") <= 0) return 0;
306 }
307 if (BIO_write(bp,"\n",1) != 1) return 0;
fa1ba589 308
de487514
DSH
309 return 1;
310}
311
fa1ba589
DSH
312int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
313{
314 int sig_nid;
315 if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0;
316 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
317
318 sig_nid = OBJ_obj2nid(sigalg->algorithm);
319 if (sig_nid != NID_undef)
320 {
321 int pkey_nid, dig_nid;
322 const EVP_PKEY_ASN1_METHOD *ameth;
323 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid))
324 {
325 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
326 if (ameth && ameth->sig_print)
327 return ameth->sig_print(bp, sigalg, sig, 9, 0);
328 }
329 }
330
331 return X509_signature_dump(bp, sig, 9);
332}
333
6c73d011 334int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
d02b48c6
RE
335 {
336 int i,n;
6c73d011
NL
337 char buf[80];
338 const char *p;
d02b48c6
RE
339
340 if (v == NULL) return(0);
341 n=0;
6c73d011 342 p=(const char *)v->data;
d02b48c6
RE
343 for (i=0; i<v->length; i++)
344 {
345 if ((p[i] > '~') || ((p[i] < ' ') &&
346 (p[i] != '\n') && (p[i] != '\r')))
347 buf[n]='.';
348 else
349 buf[n]=p[i];
350 n++;
351 if (n >= 80)
352 {
353 if (BIO_write(bp,buf,n) <= 0)
354 return(0);
355 n=0;
356 }
357 }
358 if (n > 0)
359 if (BIO_write(bp,buf,n) <= 0)
360 return(0);
361 return(1);
362 }
363
6c73d011 364int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
f6aed2cd
DSH
365{
366 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
367 if(tm->type == V_ASN1_GENERALIZEDTIME)
368 return ASN1_GENERALIZEDTIME_print(bp, tm);
369 BIO_write(bp,"Bad time value",14);
370 return(0);
371}
372
e778802f
BL
373static const char *mon[12]=
374 {
375 "Jan","Feb","Mar","Apr","May","Jun",
376 "Jul","Aug","Sep","Oct","Nov","Dec"
377 };
f6aed2cd 378
6c73d011 379int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
f6aed2cd
DSH
380 {
381 char *v;
382 int gmt=0;
f6aed2cd
DSH
383 int i;
384 int y=0,M=0,d=0,h=0,m=0,s=0;
c7235be6
UM
385 char *f = NULL;
386 int f_len = 0;
f6aed2cd
DSH
387
388 i=tm->length;
389 v=(char *)tm->data;
390
391 if (i < 12) goto err;
392 if (v[i-1] == 'Z') gmt=1;
393 for (i=0; i<12; i++)
394 if ((v[i] > '9') || (v[i] < '0')) goto err;
395 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
396 M= (v[4]-'0')*10+(v[5]-'0');
397 if ((M > 12) || (M < 1)) goto err;
398 d= (v[6]-'0')*10+(v[7]-'0');
399 h= (v[8]-'0')*10+(v[9]-'0');
400 m= (v[10]-'0')*10+(v[11]-'0');
5947ca04 401 if (tm->length >= 14 &&
efa73a77
BM
402 (v[12] >= '0') && (v[12] <= '9') &&
403 (v[13] >= '0') && (v[13] <= '9'))
c7235be6 404 {
f6aed2cd 405 s= (v[12]-'0')*10+(v[13]-'0');
c7235be6 406 /* Check for fractions of seconds. */
e33d2901 407 if (tm->length >= 15 && v[14] == '.')
c7235be6
UM
408 {
409 int l = tm->length;
410 f = &v[14]; /* The decimal point. */
411 f_len = 1;
412 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
413 ++f_len;
414 }
415 }
f6aed2cd 416
c7235be6
UM
417 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
418 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
f6aed2cd
DSH
419 return(0);
420 else
421 return(1);
422err:
423 BIO_write(bp,"Bad time value",14);
424 return(0);
425 }
426
6c73d011 427int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
d02b48c6 428 {
6c73d011 429 const char *v;
d02b48c6 430 int gmt=0;
d02b48c6
RE
431 int i;
432 int y=0,M=0,d=0,h=0,m=0,s=0;
433
434 i=tm->length;
6c73d011 435 v=(const char *)tm->data;
d02b48c6
RE
436
437 if (i < 10) goto err;
438 if (v[i-1] == 'Z') gmt=1;
439 for (i=0; i<10; i++)
440 if ((v[i] > '9') || (v[i] < '0')) goto err;
441 y= (v[0]-'0')*10+(v[1]-'0');
58964a49 442 if (y < 50) y+=100;
d02b48c6
RE
443 M= (v[2]-'0')*10+(v[3]-'0');
444 if ((M > 12) || (M < 1)) goto err;
445 d= (v[4]-'0')*10+(v[5]-'0');
446 h= (v[6]-'0')*10+(v[7]-'0');
447 m= (v[8]-'0')*10+(v[9]-'0');
5947ca04 448 if (tm->length >=12 &&
efa73a77
BM
449 (v[10] >= '0') && (v[10] <= '9') &&
450 (v[11] >= '0') && (v[11] <= '9'))
d02b48c6
RE
451 s= (v[10]-'0')*10+(v[11]-'0');
452
453 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
454 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
455 return(0);
456 else
457 return(1);
458err:
459 BIO_write(bp,"Bad time value",14);
460 return(0);
461 }
462
6b691a5c 463int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
d02b48c6 464 {
54a656ef 465 char *s,*c,*b;
92ada7cc 466 int ret=0,l,i;
d02b48c6 467
92ada7cc 468 l=80-2-obase;
d02b48c6 469
4be63cfb
AP
470 b=X509_NAME_oneline(name,NULL,0);
471 if (!*b)
54a656ef 472 {
3f083ef0 473 OPENSSL_free(b);
9d2e51c1 474 return 1;
54a656ef 475 }
4be63cfb 476 s=b+1; /* skip the first slash */
d02b48c6 477
d02b48c6
RE
478 c=s;
479 for (;;)
480 {
a53955d8 481#ifndef CHARSET_EBCDIC
d02b48c6
RE
482 if ( ((*s == '/') &&
483 ((s[1] >= 'A') && (s[1] <= 'Z') && (
484 (s[2] == '=') ||
485 ((s[2] >= 'A') && (s[2] <= 'Z') &&
486 (s[3] == '='))
487 ))) ||
488 (*s == '\0'))
a53955d8
UM
489#else
490 if ( ((*s == '/') &&
491 (isupper(s[1]) && (
492 (s[2] == '=') ||
493 (isupper(s[2]) &&
494 (s[3] == '='))
495 ))) ||
496 (*s == '\0'))
497#endif
d02b48c6 498 {
d02b48c6
RE
499 i=s-c;
500 if (BIO_write(bp,c,i) != i) goto err;
4be63cfb 501 c=s+1; /* skip following slash */
d02b48c6
RE
502 if (*s != '\0')
503 {
504 if (BIO_write(bp,", ",2) != 2) goto err;
505 }
506 l--;
507 }
508 if (*s == '\0') break;
509 s++;
510 l--;
511 }
512
513 ret=1;
514 if (0)
515 {
516err:
517 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
518 }
3f083ef0 519 OPENSSL_free(b);
d02b48c6
RE
520 return(ret);
521 }