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, unsigned long cflag)
84 {
85 BIO *b;
86 int ret;
87
88 if ((b=BIO_new(BIO_s_file())) == NULL)
89 {
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, unsigned long cflag)
106 {
107 long l;
108 int ret=0,i;
109 char *m=NULL,mlch = ' ';
110 int nmindent = 0;
111 X509_CINF *ci;
112 ASN1_INTEGER *bs;
113 EVP_PKEY *pkey=NULL;
114 const char *neg;
115
116 if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
117 mlch = '\n';
118 nmindent = 12;
119 }
120
121 if(nmflags == X509_FLAG_COMPAT)
122 nmindent = 16;
123
124 ci=x->cert_info;
125 if(!(cflag & X509_FLAG_NO_HEADER))
126 {
127 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
128 if (BIO_write(bp," Data:\n",10) <= 0) goto err;
129 }
130 if(!(cflag & X509_FLAG_NO_VERSION))
131 {
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;
139
140 bs=X509_get_serialNumber(x);
141 if (bs->length <= (int)sizeof(long))
142 {
143 l=ASN1_INTEGER_get(bs);
144 if (bs->type == V_ASN1_NEG_INTEGER)
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)
152 goto err;
153 }
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
167 }
168
169 if(!(cflag & X509_FLAG_NO_SIGNAME))
170 {
171 if(X509_signature_print(bp, x->sig_alg, NULL) <= 0)
172 goto err;
173 #if 0
174 if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0)
175 goto err;
176 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
177 goto err;
178 if (BIO_puts(bp, "\n") <= 0)
179 goto err;
180 #endif
181 }
182
183 if(!(cflag & X509_FLAG_NO_ISSUER))
184 {
185 if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err;
186 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
187 if (BIO_write(bp,"\n",1) <= 0) goto err;
188 }
189 if(!(cflag & X509_FLAG_NO_VALIDITY))
190 {
191 if (BIO_write(bp," Validity\n",17) <= 0) goto err;
192 if (BIO_write(bp," Not Before: ",24) <= 0) goto err;
193 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
194 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err;
195 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
196 if (BIO_write(bp,"\n",1) <= 0) goto err;
197 }
198 if(!(cflag & X509_FLAG_NO_SUBJECT))
199 {
200 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err;
201 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
202 if (BIO_write(bp,"\n",1) <= 0) goto err;
203 }
204 if(!(cflag & X509_FLAG_NO_PUBKEY))
205 {
206 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0)
207 goto err;
208 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
209 goto err;
210 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
211 goto err;
212 if (BIO_puts(bp, "\n") <= 0)
213 goto err;
214
215 pkey=X509_get_pubkey(x);
216 if (pkey == NULL)
217 {
218 BIO_printf(bp,"%12sUnable to load Public Key\n","");
219 ERR_print_errors(bp);
220 }
221 else
222 {
223 EVP_PKEY_print_public(bp, pkey, 16, NULL);
224 EVP_PKEY_free(pkey);
225 }
226 }
227
228 if (!(cflag & X509_FLAG_NO_EXTENSIONS))
229 X509V3_extensions_print(bp, "X509v3 extensions",
230 ci->extensions, cflag, 8);
231
232 if(!(cflag & X509_FLAG_NO_SIGDUMP))
233 {
234 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
235 }
236 if(!(cflag & X509_FLAG_NO_AUX))
237 {
238 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
239 }
240 ret=1;
241 err:
242 if (m != NULL) OPENSSL_free(m);
243 return(ret);
244 }
245
246 int X509_ocspid_print (BIO *bp, X509 *x)
247 {
248 unsigned char *der=NULL ;
249 unsigned char *dertmp;
250 int derlen;
251 int i;
252 unsigned char SHA1md[SHA_DIGEST_LENGTH];
253
254 /* display the hash of the subject as it would appear
255 in OCSP requests */
256 if (BIO_printf(bp," Subject OCSP hash: ") <= 0)
257 goto err;
258 derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
259 if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
260 goto err;
261 i2d_X509_NAME(x->cert_info->subject, &dertmp);
262
263 if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
264 goto err;
265 for (i=0; i < SHA_DIGEST_LENGTH; i++)
266 {
267 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
268 }
269 OPENSSL_free (der);
270 der=NULL;
271
272 /* display the hash of the public key as it would appear
273 in OCSP requests */
274 if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0)
275 goto err;
276
277 if (!EVP_Digest(x->cert_info->key->public_key->data,
278 x->cert_info->key->public_key->length,
279 SHA1md, NULL, EVP_sha1(), NULL))
280 goto err;
281 for (i=0; i < SHA_DIGEST_LENGTH; i++)
282 {
283 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
284 goto err;
285 }
286 BIO_printf(bp,"\n");
287
288 return (1);
289 err:
290 if (der != NULL) OPENSSL_free(der);
291 return(0);
292 }
293
294 int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
295 {
296 const unsigned char *s;
297 int i, n;
298
299 n=sig->length;
300 s=sig->data;
301 for (i=0; i<n; i++)
302 {
303 if ((i%18) == 0)
304 {
305 if (BIO_write(bp,"\n",1) <= 0) return 0;
306 if (BIO_indent(bp, indent, indent) <= 0) return 0;
307 }
308 if (BIO_printf(bp,"%02x%s",s[i],
309 ((i+1) == n)?"":":") <= 0) return 0;
310 }
311 if (BIO_write(bp,"\n",1) != 1) return 0;
312
313 return 1;
314 }
315
316 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
317 {
318 int sig_nid;
319 if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0;
320 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
321
322 sig_nid = OBJ_obj2nid(sigalg->algorithm);
323 if (sig_nid != NID_undef)
324 {
325 int pkey_nid, dig_nid;
326 const EVP_PKEY_ASN1_METHOD *ameth;
327 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid))
328 {
329 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
330 if (ameth && ameth->sig_print)
331 return ameth->sig_print(bp, sigalg, sig, 9, 0);
332 }
333 }
334 if (sig)
335 return X509_signature_dump(bp, sig, 9);
336 else if (BIO_puts(bp, "\n") <= 0)
337 return 0;
338 return 1;
339 }
340
341 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
342 {
343 int i,n;
344 char buf[80];
345 const char *p;
346
347 if (v == NULL) return(0);
348 n=0;
349 p=(const char *)v->data;
350 for (i=0; i<v->length; i++)
351 {
352 if ((p[i] > '~') || ((p[i] < ' ') &&
353 (p[i] != '\n') && (p[i] != '\r')))
354 buf[n]='.';
355 else
356 buf[n]=p[i];
357 n++;
358 if (n >= 80)
359 {
360 if (BIO_write(bp,buf,n) <= 0)
361 return(0);
362 n=0;
363 }
364 }
365 if (n > 0)
366 if (BIO_write(bp,buf,n) <= 0)
367 return(0);
368 return(1);
369 }
370
371 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
372 {
373 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
374 if(tm->type == V_ASN1_GENERALIZEDTIME)
375 return ASN1_GENERALIZEDTIME_print(bp, tm);
376 BIO_write(bp,"Bad time value",14);
377 return(0);
378 }
379
380 static const char *mon[12]=
381 {
382 "Jan","Feb","Mar","Apr","May","Jun",
383 "Jul","Aug","Sep","Oct","Nov","Dec"
384 };
385
386 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
387 {
388 char *v;
389 int gmt=0;
390 int i;
391 int y=0,M=0,d=0,h=0,m=0,s=0;
392 char *f = NULL;
393 int f_len = 0;
394
395 i=tm->length;
396 v=(char *)tm->data;
397
398 if (i < 12) goto err;
399 if (v[i-1] == 'Z') gmt=1;
400 for (i=0; i<12; i++)
401 if ((v[i] > '9') || (v[i] < '0')) goto err;
402 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
403 M= (v[4]-'0')*10+(v[5]-'0');
404 if ((M > 12) || (M < 1)) goto err;
405 d= (v[6]-'0')*10+(v[7]-'0');
406 h= (v[8]-'0')*10+(v[9]-'0');
407 m= (v[10]-'0')*10+(v[11]-'0');
408 if (tm->length >= 14 &&
409 (v[12] >= '0') && (v[12] <= '9') &&
410 (v[13] >= '0') && (v[13] <= '9'))
411 {
412 s= (v[12]-'0')*10+(v[13]-'0');
413 /* Check for fractions of seconds. */
414 if (tm->length >= 15 && v[14] == '.')
415 {
416 int l = tm->length;
417 f = &v[14]; /* The decimal point. */
418 f_len = 1;
419 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
420 ++f_len;
421 }
422 }
423
424 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
425 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
426 return(0);
427 else
428 return(1);
429 err:
430 BIO_write(bp,"Bad time value",14);
431 return(0);
432 }
433
434 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
435 {
436 const char *v;
437 int gmt=0;
438 int i;
439 int y=0,M=0,d=0,h=0,m=0,s=0;
440
441 i=tm->length;
442 v=(const char *)tm->data;
443
444 if (i < 10) goto err;
445 if (v[i-1] == 'Z') gmt=1;
446 for (i=0; i<10; i++)
447 if ((v[i] > '9') || (v[i] < '0')) goto err;
448 y= (v[0]-'0')*10+(v[1]-'0');
449 if (y < 50) y+=100;
450 M= (v[2]-'0')*10+(v[3]-'0');
451 if ((M > 12) || (M < 1)) goto err;
452 d= (v[4]-'0')*10+(v[5]-'0');
453 h= (v[6]-'0')*10+(v[7]-'0');
454 m= (v[8]-'0')*10+(v[9]-'0');
455 if (tm->length >=12 &&
456 (v[10] >= '0') && (v[10] <= '9') &&
457 (v[11] >= '0') && (v[11] <= '9'))
458 s= (v[10]-'0')*10+(v[11]-'0');
459
460 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
461 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
462 return(0);
463 else
464 return(1);
465 err:
466 BIO_write(bp,"Bad time value",14);
467 return(0);
468 }
469
470 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
471 {
472 char *s,*c,*b;
473 int ret=0,l,i;
474
475 l=80-2-obase;
476
477 b=X509_NAME_oneline(name,NULL,0);
478 if (!*b)
479 {
480 OPENSSL_free(b);
481 return 1;
482 }
483 s=b+1; /* skip the first slash */
484
485 c=s;
486 for (;;)
487 {
488 #ifndef CHARSET_EBCDIC
489 if ( ((*s == '/') &&
490 ((s[1] >= 'A') && (s[1] <= 'Z') && (
491 (s[2] == '=') ||
492 ((s[2] >= 'A') && (s[2] <= 'Z') &&
493 (s[3] == '='))
494 ))) ||
495 (*s == '\0'))
496 #else
497 if ( ((*s == '/') &&
498 (isupper(s[1]) && (
499 (s[2] == '=') ||
500 (isupper(s[2]) &&
501 (s[3] == '='))
502 ))) ||
503 (*s == '\0'))
504 #endif
505 {
506 i=s-c;
507 if (BIO_write(bp,c,i) != i) goto err;
508 c=s+1; /* skip following slash */
509 if (*s != '\0')
510 {
511 if (BIO_write(bp,", ",2) != 2) goto err;
512 }
513 l--;
514 }
515 if (*s == '\0') break;
516 s++;
517 l--;
518 }
519
520 ret=1;
521 if (0)
522 {
523 err:
524 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
525 }
526 OPENSSL_free(b);
527 return(ret);
528 }