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Fix memory leak: free up ENGINE functional reference if digest is not
[thirdparty/openssl.git] / crypto / asn1 / t_x509.c
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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>
d02b48c6 75
cf1b7d96 76#ifndef OPENSSL_NO_FP_API
6b691a5c 77int X509_print_fp(FILE *fp, X509 *x)
d0c98589
DSH
78 {
79 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
80 }
81
82int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
d02b48c6
RE
83 {
84 BIO *b;
85 int ret;
86
87 if ((b=BIO_new(BIO_s_file())) == NULL)
88 {
8afca8d9 89 X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB);
d02b48c6
RE
90 return(0);
91 }
92 BIO_set_fp(b,fp,BIO_NOCLOSE);
d0c98589 93 ret=X509_print_ex(b, x, nmflag, cflag);
d02b48c6
RE
94 BIO_free(b);
95 return(ret);
96 }
97#endif
98
6b691a5c 99int X509_print(BIO *bp, X509 *x)
d0c98589
DSH
100{
101 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
102}
103
104int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
d02b48c6
RE
105 {
106 long l;
2c15d426 107 int ret=0,i;
de487514 108 char *m=NULL,mlch = ' ';
8ca533e3 109 int nmindent = 0;
d02b48c6
RE
110 X509_CINF *ci;
111 ASN1_INTEGER *bs;
112 EVP_PKEY *pkey=NULL;
e778802f 113 const char *neg;
d02b48c6 114
8ca533e3 115 if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
d0c98589 116 mlch = '\n';
535d79da 117 nmindent = 12;
8ca533e3
DSH
118 }
119
120 if(nmflags == X509_FLAG_COMPAT)
121 nmindent = 16;
d0c98589 122
d02b48c6 123 ci=x->cert_info;
d0c98589 124 if(!(cflag & X509_FLAG_NO_HEADER))
d02b48c6 125 {
d0c98589
DSH
126 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
127 if (BIO_write(bp," Data:\n",10) <= 0) goto err;
d02b48c6 128 }
d0c98589 129 if(!(cflag & X509_FLAG_NO_VERSION))
d02b48c6 130 {
d0c98589
DSH
131 l=X509_get_version(x);
132 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
133 }
134 if(!(cflag & X509_FLAG_NO_SERIAL))
135 {
136
137 if (BIO_write(bp," Serial Number:",22) <= 0) goto err;
d02b48c6 138
d0c98589
DSH
139 bs=X509_get_serialNumber(x);
140 if (bs->length <= 4)
d02b48c6 141 {
d0c98589
DSH
142 l=ASN1_INTEGER_get(bs);
143 if (l < 0)
144 {
145 l= -l;
146 neg="-";
147 }
148 else
149 neg="";
150 if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
d02b48c6
RE
151 goto err;
152 }
d0c98589
DSH
153 else
154 {
155 neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
156 if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
157
158 for (i=0; i<bs->length; i++)
159 {
160 if (BIO_printf(bp,"%02x%c",bs->data[i],
161 ((i+1 == bs->length)?'\n':':')) <= 0)
162 goto err;
163 }
164 }
165
d02b48c6
RE
166 }
167
d0c98589 168 if(!(cflag & X509_FLAG_NO_SIGNAME))
dfeab068 169 {
4ff18c8c
DSH
170 if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0)
171 goto err;
172 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
173 goto err;
174 if (BIO_puts(bp, "\n") <= 0)
d0c98589 175 goto err;
dfeab068 176 }
d0c98589
DSH
177
178 if(!(cflag & X509_FLAG_NO_ISSUER))
d02b48c6 179 {
d0c98589 180 if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err;
1e325f61 181 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
0a3ea5d3 182 if (BIO_write(bp,"\n",1) <= 0) goto err;
d02b48c6 183 }
d0c98589 184 if(!(cflag & X509_FLAG_NO_VALIDITY))
d02b48c6 185 {
0a3ea5d3 186 if (BIO_write(bp," Validity\n",17) <= 0) goto err;
d0c98589
DSH
187 if (BIO_write(bp," Not Before: ",24) <= 0) goto err;
188 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
189 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err;
190 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
191 if (BIO_write(bp,"\n",1) <= 0) goto err;
d02b48c6 192 }
d0c98589
DSH
193 if(!(cflag & X509_FLAG_NO_SUBJECT))
194 {
195 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err;
1e325f61 196 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
0a3ea5d3 197 if (BIO_write(bp,"\n",1) <= 0) goto err;
d0c98589
DSH
198 }
199 if(!(cflag & X509_FLAG_NO_PUBKEY))
200 {
0a3ea5d3 201 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0)
d0c98589 202 goto err;
4ff18c8c
DSH
203 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
204 goto err;
205 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
206 goto err;
207 if (BIO_puts(bp, "\n") <= 0)
208 goto err;
d0c98589
DSH
209
210 pkey=X509_get_pubkey(x);
211 if (pkey == NULL)
212 {
213 BIO_printf(bp,"%12sUnable to load Public Key\n","");
214 ERR_print_errors(bp);
215 }
216 else
4d94ae00 217 {
35208f36
DSH
218 EVP_PKEY_print_public(bp, pkey, 16, NULL);
219 EVP_PKEY_free(pkey);
4d94ae00 220 }
d0c98589 221 }
cfcf6453 222
2c15d426
DSH
223 if (!(cflag & X509_FLAG_NO_EXTENSIONS))
224 X509V3_extensions_print(bp, "X509v3 extensions",
225 ci->extensions, cflag, 8);
d02b48c6 226
d0c98589
DSH
227 if(!(cflag & X509_FLAG_NO_SIGDUMP))
228 {
de487514 229 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
d0c98589
DSH
230 }
231 if(!(cflag & X509_FLAG_NO_AUX))
d02b48c6 232 {
d0c98589 233 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
d02b48c6 234 }
d02b48c6
RE
235 ret=1;
236err:
26a3a48d 237 if (m != NULL) OPENSSL_free(m);
d02b48c6
RE
238 return(ret);
239 }
240
eb64730b
RL
241int X509_ocspid_print (BIO *bp, X509 *x)
242 {
243 unsigned char *der=NULL ;
244 unsigned char *dertmp;
245 int derlen;
246 int i;
eb64730b
RL
247 unsigned char SHA1md[SHA_DIGEST_LENGTH];
248
249 /* display the hash of the subject as it would appear
250 in OCSP requests */
251 if (BIO_printf(bp," Subject OCSP hash: ") <= 0)
252 goto err;
253 derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
254 if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
255 goto err;
256 i2d_X509_NAME(x->cert_info->subject, &dertmp);
257
b6dcdbfc
DSH
258 if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
259 goto err;
eb64730b
RL
260 for (i=0; i < SHA_DIGEST_LENGTH; i++)
261 {
262 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
263 }
264 OPENSSL_free (der);
265 der=NULL;
266
267 /* display the hash of the public key as it would appear
268 in OCSP requests */
269 if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0)
270 goto err;
271
b6dcdbfc
DSH
272 if (!EVP_Digest(x->cert_info->key->public_key->data,
273 x->cert_info->key->public_key->length,
274 SHA1md, NULL, EVP_sha1(), NULL))
275 goto err;
eb64730b
RL
276 for (i=0; i < SHA_DIGEST_LENGTH; i++)
277 {
278 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
279 goto err;
280 }
281 BIO_printf(bp,"\n");
282
283 return (1);
284err:
285 if (der != NULL) OPENSSL_free(der);
286 return(0);
287 }
288
de487514
DSH
289int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
290{
291 unsigned char *s;
292 int i, n;
293 if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0;
294 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
295
296 n=sig->length;
297 s=sig->data;
298 for (i=0; i<n; i++)
299 {
300 if ((i%18) == 0)
301 if (BIO_write(bp,"\n ",9) <= 0) return 0;
302 if (BIO_printf(bp,"%02x%s",s[i],
303 ((i+1) == n)?"":":") <= 0) return 0;
304 }
305 if (BIO_write(bp,"\n",1) != 1) return 0;
306 return 1;
307}
308
6c73d011 309int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
d02b48c6
RE
310 {
311 int i,n;
6c73d011
NL
312 char buf[80];
313 const char *p;
d02b48c6
RE
314
315 if (v == NULL) return(0);
316 n=0;
6c73d011 317 p=(const char *)v->data;
d02b48c6
RE
318 for (i=0; i<v->length; i++)
319 {
320 if ((p[i] > '~') || ((p[i] < ' ') &&
321 (p[i] != '\n') && (p[i] != '\r')))
322 buf[n]='.';
323 else
324 buf[n]=p[i];
325 n++;
326 if (n >= 80)
327 {
328 if (BIO_write(bp,buf,n) <= 0)
329 return(0);
330 n=0;
331 }
332 }
333 if (n > 0)
334 if (BIO_write(bp,buf,n) <= 0)
335 return(0);
336 return(1);
337 }
338
6c73d011 339int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
f6aed2cd
DSH
340{
341 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
342 if(tm->type == V_ASN1_GENERALIZEDTIME)
343 return ASN1_GENERALIZEDTIME_print(bp, tm);
344 BIO_write(bp,"Bad time value",14);
345 return(0);
346}
347
e778802f
BL
348static const char *mon[12]=
349 {
350 "Jan","Feb","Mar","Apr","May","Jun",
351 "Jul","Aug","Sep","Oct","Nov","Dec"
352 };
f6aed2cd 353
6c73d011 354int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
f6aed2cd
DSH
355 {
356 char *v;
357 int gmt=0;
f6aed2cd
DSH
358 int i;
359 int y=0,M=0,d=0,h=0,m=0,s=0;
c7235be6
UM
360 char *f = NULL;
361 int f_len = 0;
f6aed2cd
DSH
362
363 i=tm->length;
364 v=(char *)tm->data;
365
366 if (i < 12) goto err;
367 if (v[i-1] == 'Z') gmt=1;
368 for (i=0; i<12; i++)
369 if ((v[i] > '9') || (v[i] < '0')) goto err;
370 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
371 M= (v[4]-'0')*10+(v[5]-'0');
372 if ((M > 12) || (M < 1)) goto err;
373 d= (v[6]-'0')*10+(v[7]-'0');
374 h= (v[8]-'0')*10+(v[9]-'0');
375 m= (v[10]-'0')*10+(v[11]-'0');
5947ca04 376 if (tm->length >= 14 &&
efa73a77
BM
377 (v[12] >= '0') && (v[12] <= '9') &&
378 (v[13] >= '0') && (v[13] <= '9'))
c7235be6 379 {
f6aed2cd 380 s= (v[12]-'0')*10+(v[13]-'0');
c7235be6 381 /* Check for fractions of seconds. */
e33d2901 382 if (tm->length >= 15 && v[14] == '.')
c7235be6
UM
383 {
384 int l = tm->length;
385 f = &v[14]; /* The decimal point. */
386 f_len = 1;
387 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
388 ++f_len;
389 }
390 }
f6aed2cd 391
c7235be6
UM
392 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
393 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
f6aed2cd
DSH
394 return(0);
395 else
396 return(1);
397err:
398 BIO_write(bp,"Bad time value",14);
399 return(0);
400 }
401
6c73d011 402int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
d02b48c6 403 {
6c73d011 404 const char *v;
d02b48c6 405 int gmt=0;
d02b48c6
RE
406 int i;
407 int y=0,M=0,d=0,h=0,m=0,s=0;
408
409 i=tm->length;
6c73d011 410 v=(const char *)tm->data;
d02b48c6
RE
411
412 if (i < 10) goto err;
413 if (v[i-1] == 'Z') gmt=1;
414 for (i=0; i<10; i++)
415 if ((v[i] > '9') || (v[i] < '0')) goto err;
416 y= (v[0]-'0')*10+(v[1]-'0');
58964a49 417 if (y < 50) y+=100;
d02b48c6
RE
418 M= (v[2]-'0')*10+(v[3]-'0');
419 if ((M > 12) || (M < 1)) goto err;
420 d= (v[4]-'0')*10+(v[5]-'0');
421 h= (v[6]-'0')*10+(v[7]-'0');
422 m= (v[8]-'0')*10+(v[9]-'0');
5947ca04 423 if (tm->length >=12 &&
efa73a77
BM
424 (v[10] >= '0') && (v[10] <= '9') &&
425 (v[11] >= '0') && (v[11] <= '9'))
d02b48c6
RE
426 s= (v[10]-'0')*10+(v[11]-'0');
427
428 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
429 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
430 return(0);
431 else
432 return(1);
433err:
434 BIO_write(bp,"Bad time value",14);
435 return(0);
436 }
437
6b691a5c 438int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
d02b48c6 439 {
54a656ef 440 char *s,*c,*b;
92ada7cc 441 int ret=0,l,i;
d02b48c6 442
92ada7cc 443 l=80-2-obase;
d02b48c6 444
4be63cfb
AP
445 b=X509_NAME_oneline(name,NULL,0);
446 if (!*b)
54a656ef 447 {
3f083ef0 448 OPENSSL_free(b);
9d2e51c1 449 return 1;
54a656ef 450 }
4be63cfb 451 s=b+1; /* skip the first slash */
d02b48c6 452
d02b48c6
RE
453 c=s;
454 for (;;)
455 {
a53955d8 456#ifndef CHARSET_EBCDIC
d02b48c6
RE
457 if ( ((*s == '/') &&
458 ((s[1] >= 'A') && (s[1] <= 'Z') && (
459 (s[2] == '=') ||
460 ((s[2] >= 'A') && (s[2] <= 'Z') &&
461 (s[3] == '='))
462 ))) ||
463 (*s == '\0'))
a53955d8
UM
464#else
465 if ( ((*s == '/') &&
466 (isupper(s[1]) && (
467 (s[2] == '=') ||
468 (isupper(s[2]) &&
469 (s[3] == '='))
470 ))) ||
471 (*s == '\0'))
472#endif
d02b48c6 473 {
d02b48c6
RE
474 i=s-c;
475 if (BIO_write(bp,c,i) != i) goto err;
4be63cfb 476 c=s+1; /* skip following slash */
d02b48c6
RE
477 if (*s != '\0')
478 {
479 if (BIO_write(bp,", ",2) != 2) goto err;
480 }
481 l--;
482 }
483 if (*s == '\0') break;
484 s++;
485 l--;
486 }
487
488 ret=1;
489 if (0)
490 {
491err:
492 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
493 }
3f083ef0 494 OPENSSL_free(b);
d02b48c6
RE
495 return(ret);
496 }