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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 cfla
g) | |
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) go
to 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, nmfl
ags) < 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, nmf
lags) < 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 } | |
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