Import OpenSSL-1.0.0g.
[dragonfly.git] / crypto / openssl / 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
76 #ifndef OPENSSL_NO_FP_API
77 int X509_print_fp(FILE *fp, X509 *x)
78         {
79         return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
80         }
81
82 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
83         {
84         BIO *b;
85         int ret;
86
87         if ((b=BIO_new(BIO_s_file())) == NULL)
88                 {
89                 X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB);
90                 return(0);
91                 }
92         BIO_set_fp(b,fp,BIO_NOCLOSE);
93         ret=X509_print_ex(b, x, nmflag, cflag);
94         BIO_free(b);
95         return(ret);
96         }
97 #endif
98
99 int X509_print(BIO *bp, X509 *x)
100 {
101         return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
102 }
103
104 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
105         {
106         long l;
107         int ret=0,i;
108         char *m=NULL,mlch = ' ';
109         int nmindent = 0;
110         X509_CINF *ci;
111         ASN1_INTEGER *bs;
112         EVP_PKEY *pkey=NULL;
113         const char *neg;
114
115         if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
116                         mlch = '\n';
117                         nmindent = 12;
118         }
119
120         if(nmflags == X509_FLAG_COMPAT)
121                 nmindent = 16;
122
123         ci=x->cert_info;
124         if(!(cflag & X509_FLAG_NO_HEADER))
125                 {
126                 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
127                 if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
128                 }
129         if(!(cflag & X509_FLAG_NO_VERSION))
130                 {
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;
138
139                 bs=X509_get_serialNumber(x);
140                 if (bs->length <= 4)
141                         {
142                         l=ASN1_INTEGER_get(bs);
143                         if (bs->type == V_ASN1_NEG_INTEGER)
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)
151                                 goto err;
152                         }
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
166                 }
167
168         if(!(cflag & X509_FLAG_NO_SIGNAME))
169                 {
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)
175                         goto err;
176                 }
177
178         if(!(cflag & X509_FLAG_NO_ISSUER))
179                 {
180                 if (BIO_printf(bp,"        Issuer:%c",mlch) <= 0) goto err;
181                 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
182                 if (BIO_write(bp,"\n",1) <= 0) goto err;
183                 }
184         if(!(cflag & X509_FLAG_NO_VALIDITY))
185                 {
186                 if (BIO_write(bp,"        Validity\n",17) <= 0) goto err;
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;
192                 }
193         if(!(cflag & X509_FLAG_NO_SUBJECT))
194                 {
195                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
196                 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
197                 if (BIO_write(bp,"\n",1) <= 0) goto err;
198                 }
199         if(!(cflag & X509_FLAG_NO_PUBKEY))
200                 {
201                 if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
202                         goto err;
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;
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
217                         {
218                         EVP_PKEY_print_public(bp, pkey, 16, NULL);
219                         EVP_PKEY_free(pkey);
220                         }
221                 }
222
223         if (!(cflag & X509_FLAG_NO_EXTENSIONS))
224                 X509V3_extensions_print(bp, "X509v3 extensions",
225                                         ci->extensions, cflag, 8);
226
227         if(!(cflag & X509_FLAG_NO_SIGDUMP))
228                 {
229                 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
230                 }
231         if(!(cflag & X509_FLAG_NO_AUX))
232                 {
233                 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
234                 }
235         ret=1;
236 err:
237         if (m != NULL) OPENSSL_free(m);
238         return(ret);
239         }
240
241 int X509_ocspid_print (BIO *bp, X509 *x)
242         {
243         unsigned char *der=NULL ;
244         unsigned char *dertmp;
245         int derlen;
246         int i;
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
258         EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL);
259         for (i=0; i < SHA_DIGEST_LENGTH; i++)
260                 {
261                 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
262                 }
263         OPENSSL_free (der);
264         der=NULL;
265
266         /* display the hash of the public key as it would appear
267            in OCSP requests */
268         if (BIO_printf(bp,"\n        Public key OCSP hash: ") <= 0)
269                 goto err;
270
271         EVP_Digest(x->cert_info->key->public_key->data,
272                 x->cert_info->key->public_key->length, SHA1md, NULL, EVP_sha1(), NULL);
273         for (i=0; i < SHA_DIGEST_LENGTH; i++)
274                 {
275                 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
276                         goto err;
277                 }
278         BIO_printf(bp,"\n");
279
280         return (1);
281 err:
282         if (der != NULL) OPENSSL_free(der);
283         return(0);
284         }
285
286 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
287 {
288         unsigned char *s;
289         int i, n;
290         if (BIO_puts(bp,"    Signature Algorithm: ") <= 0) return 0;
291         if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
292
293         n=sig->length;
294         s=sig->data;
295         for (i=0; i<n; i++)
296                 {
297                 if ((i%18) == 0)
298                         if (BIO_write(bp,"\n        ",9) <= 0) return 0;
299                         if (BIO_printf(bp,"%02x%s",s[i],
300                                 ((i+1) == n)?"":":") <= 0) return 0;
301                 }
302         if (BIO_write(bp,"\n",1) != 1) return 0;
303         return 1;
304 }
305
306 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
307         {
308         int i,n;
309         char buf[80];
310         const char *p;
311
312         if (v == NULL) return(0);
313         n=0;
314         p=(const char *)v->data;
315         for (i=0; i<v->length; i++)
316                 {
317                 if ((p[i] > '~') || ((p[i] < ' ') &&
318                         (p[i] != '\n') && (p[i] != '\r')))
319                         buf[n]='.';
320                 else
321                         buf[n]=p[i];
322                 n++;
323                 if (n >= 80)
324                         {
325                         if (BIO_write(bp,buf,n) <= 0)
326                                 return(0);
327                         n=0;
328                         }
329                 }
330         if (n > 0)
331                 if (BIO_write(bp,buf,n) <= 0)
332                         return(0);
333         return(1);
334         }
335
336 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
337 {
338         if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
339         if(tm->type == V_ASN1_GENERALIZEDTIME)
340                                 return ASN1_GENERALIZEDTIME_print(bp, tm);
341         BIO_write(bp,"Bad time value",14);
342         return(0);
343 }
344
345 static const char *mon[12]=
346     {
347     "Jan","Feb","Mar","Apr","May","Jun",
348     "Jul","Aug","Sep","Oct","Nov","Dec"
349     };
350
351 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
352         {
353         char *v;
354         int gmt=0;
355         int i;
356         int y=0,M=0,d=0,h=0,m=0,s=0;
357         char *f = NULL;
358         int f_len = 0;
359
360         i=tm->length;
361         v=(char *)tm->data;
362
363         if (i < 12) goto err;
364         if (v[i-1] == 'Z') gmt=1;
365         for (i=0; i<12; i++)
366                 if ((v[i] > '9') || (v[i] < '0')) goto err;
367         y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
368         M= (v[4]-'0')*10+(v[5]-'0');
369         if ((M > 12) || (M < 1)) goto err;
370         d= (v[6]-'0')*10+(v[7]-'0');
371         h= (v[8]-'0')*10+(v[9]-'0');
372         m=  (v[10]-'0')*10+(v[11]-'0');
373         if (tm->length >= 14 &&
374             (v[12] >= '0') && (v[12] <= '9') &&
375             (v[13] >= '0') && (v[13] <= '9'))
376                 {
377                 s=  (v[12]-'0')*10+(v[13]-'0');
378                 /* Check for fractions of seconds. */
379                 if (tm->length >= 15 && v[14] == '.')
380                         {
381                         int l = tm->length;
382                         f = &v[14];     /* The decimal point. */
383                         f_len = 1;
384                         while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
385                                 ++f_len;
386                         }
387                 }
388
389         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
390                 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
391                 return(0);
392         else
393                 return(1);
394 err:
395         BIO_write(bp,"Bad time value",14);
396         return(0);
397         }
398
399 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
400         {
401         const char *v;
402         int gmt=0;
403         int i;
404         int y=0,M=0,d=0,h=0,m=0,s=0;
405
406         i=tm->length;
407         v=(const char *)tm->data;
408
409         if (i < 10) goto err;
410         if (v[i-1] == 'Z') gmt=1;
411         for (i=0; i<10; i++)
412                 if ((v[i] > '9') || (v[i] < '0')) goto err;
413         y= (v[0]-'0')*10+(v[1]-'0');
414         if (y < 50) y+=100;
415         M= (v[2]-'0')*10+(v[3]-'0');
416         if ((M > 12) || (M < 1)) goto err;
417         d= (v[4]-'0')*10+(v[5]-'0');
418         h= (v[6]-'0')*10+(v[7]-'0');
419         m=  (v[8]-'0')*10+(v[9]-'0');
420         if (tm->length >=12 &&
421             (v[10] >= '0') && (v[10] <= '9') &&
422             (v[11] >= '0') && (v[11] <= '9'))
423                 s=  (v[10]-'0')*10+(v[11]-'0');
424
425         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
426                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
427                 return(0);
428         else
429                 return(1);
430 err:
431         BIO_write(bp,"Bad time value",14);
432         return(0);
433         }
434
435 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
436         {
437         char *s,*c,*b;
438         int ret=0,l,i;
439
440         l=80-2-obase;
441
442         b=X509_NAME_oneline(name,NULL,0);
443         if (!*b)
444                 {
445                 OPENSSL_free(b);
446                 return 1;
447                 }
448         s=b+1; /* skip the first slash */
449
450         c=s;
451         for (;;)
452                 {
453 #ifndef CHARSET_EBCDIC
454                 if (    ((*s == '/') &&
455                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
456                                         (s[2] == '=') ||
457                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
458                                         (s[3] == '='))
459                                  ))) ||
460                         (*s == '\0'))
461 #else
462                 if (    ((*s == '/') &&
463                                 (isupper(s[1]) && (
464                                         (s[2] == '=') ||
465                                         (isupper(s[2]) &&
466                                         (s[3] == '='))
467                                  ))) ||
468                         (*s == '\0'))
469 #endif
470                         {
471                         i=s-c;
472                         if (BIO_write(bp,c,i) != i) goto err;
473                         c=s+1;  /* skip following slash */
474                         if (*s != '\0')
475                                 {
476                                 if (BIO_write(bp,", ",2) != 2) goto err;
477                                 }
478                         l--;
479                         }
480                 if (*s == '\0') break;
481                 s++;
482                 l--;
483                 }
484         
485         ret=1;
486         if (0)
487                 {
488 err:
489                 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
490                 }
491         OPENSSL_free(b);
492         return(ret);
493         }