Remove references to o_time.h
[openssl.git] / crypto / asn1 / t_x509.c
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_IDS))
229                 {
230                 if (ci->issuerUID)
231                         {
232                         if (BIO_printf(bp,"%8sIssuer Unique ID: ","") <= 0) 
233                                 goto err;
234                         if (!X509_signature_dump(bp, ci->issuerUID, 12))
235                                 goto err;
236                         }
237                 if (ci->subjectUID)
238                         {
239                         if (BIO_printf(bp,"%8sSubject Unique ID: ","") <= 0) 
240                                 goto err;
241                         if (!X509_signature_dump(bp, ci->subjectUID, 12))
242                                 goto err;
243                         }
244                 }
245
246         if (!(cflag & X509_FLAG_NO_EXTENSIONS))
247                 X509V3_extensions_print(bp, "X509v3 extensions",
248                                         ci->extensions, cflag, 8);
249
250         if(!(cflag & X509_FLAG_NO_SIGDUMP))
251                 {
252                 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
253                 }
254         if(!(cflag & X509_FLAG_NO_AUX))
255                 {
256                 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
257                 }
258         ret=1;
259 err:
260         if (m != NULL) OPENSSL_free(m);
261         return(ret);
262         }
263
264 int X509_ocspid_print (BIO *bp, X509 *x)
265         {
266         unsigned char *der=NULL ;
267         unsigned char *dertmp;
268         int derlen;
269         int i;
270         unsigned char SHA1md[SHA_DIGEST_LENGTH];
271
272         /* display the hash of the subject as it would appear
273            in OCSP requests */
274         if (BIO_printf(bp,"        Subject OCSP hash: ") <= 0)
275                 goto err;
276         derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
277         if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
278                 goto err;
279         i2d_X509_NAME(x->cert_info->subject, &dertmp);
280
281         if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
282                 goto err;
283         for (i=0; i < SHA_DIGEST_LENGTH; i++)
284                 {
285                 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
286                 }
287         OPENSSL_free (der);
288         der=NULL;
289
290         /* display the hash of the public key as it would appear
291            in OCSP requests */
292         if (BIO_printf(bp,"\n        Public key OCSP hash: ") <= 0)
293                 goto err;
294
295         if (!EVP_Digest(x->cert_info->key->public_key->data,
296                         x->cert_info->key->public_key->length,
297                         SHA1md, NULL, EVP_sha1(), NULL))
298                 goto err;
299         for (i=0; i < SHA_DIGEST_LENGTH; i++)
300                 {
301                 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
302                         goto err;
303                 }
304         BIO_printf(bp,"\n");
305
306         return (1);
307 err:
308         if (der != NULL) OPENSSL_free(der);
309         return(0);
310         }
311
312 int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
313 {
314         const unsigned char *s;
315         int i, n;
316
317         n=sig->length;
318         s=sig->data;
319         for (i=0; i<n; i++)
320                 {
321                 if ((i%18) == 0)
322                         {
323                         if (BIO_write(bp,"\n",1) <= 0) return 0;
324                         if (BIO_indent(bp, indent, indent) <= 0) return 0;
325                         }
326                         if (BIO_printf(bp,"%02x%s",s[i],
327                                 ((i+1) == n)?"":":") <= 0) return 0;
328                 }
329         if (BIO_write(bp,"\n",1) != 1) return 0;
330
331         return 1;
332 }
333
334 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
335 {
336         int sig_nid;
337         if (BIO_puts(bp,"    Signature Algorithm: ") <= 0) return 0;
338         if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
339
340         sig_nid = OBJ_obj2nid(sigalg->algorithm);
341         if (sig_nid != NID_undef)
342                 {
343                 int pkey_nid, dig_nid;
344                 const EVP_PKEY_ASN1_METHOD *ameth;
345                 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid))
346                         {
347                         ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
348                         if (ameth && ameth->sig_print)
349                                 return ameth->sig_print(bp, sigalg, sig, 9, 0);
350                         }
351                 }
352         if (sig)
353                 return X509_signature_dump(bp, sig, 9);
354         else if (BIO_puts(bp, "\n") <= 0)
355                 return 0;
356         return 1;
357 }
358
359 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
360         {
361         int i,n;
362         char buf[80];
363         const char *p;
364
365         if (v == NULL) return(0);
366         n=0;
367         p=(const char *)v->data;
368         for (i=0; i<v->length; i++)
369                 {
370                 if ((p[i] > '~') || ((p[i] < ' ') &&
371                         (p[i] != '\n') && (p[i] != '\r')))
372                         buf[n]='.';
373                 else
374                         buf[n]=p[i];
375                 n++;
376                 if (n >= 80)
377                         {
378                         if (BIO_write(bp,buf,n) <= 0)
379                                 return(0);
380                         n=0;
381                         }
382                 }
383         if (n > 0)
384                 if (BIO_write(bp,buf,n) <= 0)
385                         return(0);
386         return(1);
387         }
388
389 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
390 {
391         if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
392         if(tm->type == V_ASN1_GENERALIZEDTIME)
393                                 return ASN1_GENERALIZEDTIME_print(bp, tm);
394         BIO_write(bp,"Bad time value",14);
395         return(0);
396 }
397
398 static const char *mon[12]=
399     {
400     "Jan","Feb","Mar","Apr","May","Jun",
401     "Jul","Aug","Sep","Oct","Nov","Dec"
402     };
403
404 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
405         {
406         char *v;
407         int gmt=0;
408         int i;
409         int y=0,M=0,d=0,h=0,m=0,s=0;
410         char *f = NULL;
411         int f_len = 0;
412
413         i=tm->length;
414         v=(char *)tm->data;
415
416         if (i < 12) goto err;
417         if (v[i-1] == 'Z') gmt=1;
418         for (i=0; i<12; i++)
419                 if ((v[i] > '9') || (v[i] < '0')) goto err;
420         y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
421         M= (v[4]-'0')*10+(v[5]-'0');
422         if ((M > 12) || (M < 1)) goto err;
423         d= (v[6]-'0')*10+(v[7]-'0');
424         h= (v[8]-'0')*10+(v[9]-'0');
425         m=  (v[10]-'0')*10+(v[11]-'0');
426         if (tm->length >= 14 &&
427             (v[12] >= '0') && (v[12] <= '9') &&
428             (v[13] >= '0') && (v[13] <= '9'))
429                 {
430                 s=  (v[12]-'0')*10+(v[13]-'0');
431                 /* Check for fractions of seconds. */
432                 if (tm->length >= 15 && v[14] == '.')
433                         {
434                         int l = tm->length;
435                         f = &v[14];     /* The decimal point. */
436                         f_len = 1;
437                         while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
438                                 ++f_len;
439                         }
440                 }
441
442         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
443                 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
444                 return(0);
445         else
446                 return(1);
447 err:
448         BIO_write(bp,"Bad time value",14);
449         return(0);
450         }
451
452 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
453         {
454         const char *v;
455         int gmt=0;
456         int i;
457         int y=0,M=0,d=0,h=0,m=0,s=0;
458
459         i=tm->length;
460         v=(const char *)tm->data;
461
462         if (i < 10) goto err;
463         if (v[i-1] == 'Z') gmt=1;
464         for (i=0; i<10; i++)
465                 if ((v[i] > '9') || (v[i] < '0')) goto err;
466         y= (v[0]-'0')*10+(v[1]-'0');
467         if (y < 50) y+=100;
468         M= (v[2]-'0')*10+(v[3]-'0');
469         if ((M > 12) || (M < 1)) goto err;
470         d= (v[4]-'0')*10+(v[5]-'0');
471         h= (v[6]-'0')*10+(v[7]-'0');
472         m=  (v[8]-'0')*10+(v[9]-'0');
473         if (tm->length >=12 &&
474             (v[10] >= '0') && (v[10] <= '9') &&
475             (v[11] >= '0') && (v[11] <= '9'))
476                 s=  (v[10]-'0')*10+(v[11]-'0');
477
478         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
479                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
480                 return(0);
481         else
482                 return(1);
483 err:
484         BIO_write(bp,"Bad time value",14);
485         return(0);
486         }
487
488 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
489         {
490         char *s,*c,*b;
491         int ret=0,l,i;
492
493         l=80-2-obase;
494
495         b=X509_NAME_oneline(name,NULL,0);
496         if (!*b)
497                 {
498                 OPENSSL_free(b);
499                 return 1;
500                 }
501         s=b+1; /* skip the first slash */
502
503         c=s;
504         for (;;)
505                 {
506 #ifndef CHARSET_EBCDIC
507                 if (    ((*s == '/') &&
508                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
509                                         (s[2] == '=') ||
510                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
511                                         (s[3] == '='))
512                                  ))) ||
513                         (*s == '\0'))
514 #else
515                 if (    ((*s == '/') &&
516                                 (isupper(s[1]) && (
517                                         (s[2] == '=') ||
518                                         (isupper(s[2]) &&
519                                         (s[3] == '='))
520                                  ))) ||
521                         (*s == '\0'))
522 #endif
523                         {
524                         i=s-c;
525                         if (BIO_write(bp,c,i) != i) goto err;
526                         c=s+1;  /* skip following slash */
527                         if (*s != '\0')
528                                 {
529                                 if (BIO_write(bp,", ",2) != 2) goto err;
530                                 }
531                         l--;
532                         }
533                 if (*s == '\0') break;
534                 s++;
535                 l--;
536                 }
537         
538         ret=1;
539         if (0)
540                 {
541 err:
542                 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
543                 }
544         OPENSSL_free(b);
545         return(ret);
546         }