More code for X509_print_ex() support.
[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 NO_RSA
64 #include <openssl/rsa.h>
65 #endif
66 #ifndef NO_DSA
67 #include <openssl/dsa.h>
68 #endif
69 #include <openssl/objects.h>
70 #include <openssl/x509.h>
71 #include <openssl/x509v3.h>
72
73 #ifndef NO_FP_API
74 int X509_print_fp(FILE *fp, X509 *x)
75         {
76         return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
77         }
78
79 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
80         {
81         BIO *b;
82         int ret;
83
84         if ((b=BIO_new(BIO_s_file())) == NULL)
85                 {
86                 X509err(X509_F_X509_PRINT_FP,ERR_R_BUF_LIB);
87                 return(0);
88                 }
89         BIO_set_fp(b,fp,BIO_NOCLOSE);
90         ret=X509_print_ex(b, x, nmflag, cflag);
91         BIO_free(b);
92         return(ret);
93         }
94 #endif
95
96 int X509_print(BIO *bp, X509 *x)
97 {
98         return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
99 }
100
101 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
102         {
103         long l;
104         int ret=0,i,j,n;
105         char *m=NULL,*s, mlch = ' ';
106         int nmindent = 0;
107         X509_CINF *ci;
108         ASN1_INTEGER *bs;
109         EVP_PKEY *pkey=NULL;
110         const char *neg;
111         X509_EXTENSION *ex;
112         ASN1_STRING *str=NULL;
113
114         if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
115                         mlch = '\n';
116                         nmindent = 16;
117         }
118
119         if(nmflags == X509_FLAG_COMPAT)
120                 nmindent = 16;
121
122         ci=x->cert_info;
123         if(!(cflag & X509_FLAG_NO_HEADER))
124                 {
125                 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
126                 if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
127                 }
128         if(!(cflag & X509_FLAG_NO_VERSION))
129                 {
130                 l=X509_get_version(x);
131                 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
132                 }
133         if(!(cflag & X509_FLAG_NO_SERIAL))
134                 {
135
136                 if (BIO_write(bp,"        Serial Number:",22) <= 0) goto err;
137
138                 bs=X509_get_serialNumber(x);
139                 if (bs->length <= 4)
140                         {
141                         l=ASN1_INTEGER_get(bs);
142                         if (l < 0)
143                                 {
144                                 l= -l;
145                                 neg="-";
146                                 }
147                         else
148                                 neg="";
149                         if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
150                                 goto err;
151                         }
152                 else
153                         {
154                         neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
155                         if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
156
157                         for (i=0; i<bs->length; i++)
158                                 {
159                                 if (BIO_printf(bp,"%02x%c",bs->data[i],
160                                         ((i+1 == bs->length)?'\n':':')) <= 0)
161                                         goto err;
162                                 }
163                         }
164
165                 }
166
167         if(!(cflag & X509_FLAG_NO_SIGNAME))
168                 {
169                 i=OBJ_obj2nid(ci->signature->algorithm);
170                 if (BIO_printf(bp,"%8sSignature Algorithm: %s\n","",
171                         (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0)
172                         goto err;
173                 }
174
175         if(!(cflag & X509_FLAG_NO_ISSUER))
176                 {
177                 if (BIO_printf(bp,"        Issuer:%c",mlch) <= 0) goto err;
178                 if (!X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags)) goto err;
179                 }
180         if(!(cflag & X509_FLAG_NO_VALIDITY))
181                 {
182                 if (BIO_write(bp,"\n        Validity\n",18) <= 0) goto err;
183                 if (BIO_write(bp,"            Not Before: ",24) <= 0) goto err;
184                 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
185                 if (BIO_write(bp,"\n            Not After : ",25) <= 0) goto err;
186                 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
187                 if (BIO_write(bp,"\n",1) <= 0) goto err;
188                 }
189         if(!(cflag & X509_FLAG_NO_SUBJECT))
190                 {
191                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
192                 if (!X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags)) goto err;
193                 }
194         if(!(cflag & X509_FLAG_NO_PUBKEY))
195                 {
196                 if (BIO_write(bp,"\n        Subject Public Key Info:\n",34) <= 0)
197                         goto err;
198                 i=OBJ_obj2nid(ci->key->algor->algorithm);
199                 if (BIO_printf(bp,"%12sPublic Key Algorithm: %s\n","",
200                         (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
201
202                 pkey=X509_get_pubkey(x);
203                 if (pkey == NULL)
204                         {
205                         BIO_printf(bp,"%12sUnable to load Public Key\n","");
206                         ERR_print_errors(bp);
207                         }
208                 else
209 #ifndef NO_RSA
210                 if (pkey->type == EVP_PKEY_RSA)
211                         {
212                         BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
213                         BN_num_bits(pkey->pkey.rsa->n));
214                         RSA_print(bp,pkey->pkey.rsa,16);
215                         }
216                 else
217 #endif
218 #ifndef NO_DSA
219                 if (pkey->type == EVP_PKEY_DSA)
220                         {
221                         BIO_printf(bp,"%12sDSA Public Key:\n","");
222                         DSA_print(bp,pkey->pkey.dsa,16);
223                         }
224                 else
225 #endif
226                         BIO_printf(bp,"%12sUnknown Public Key:\n","");
227
228                 EVP_PKEY_free(pkey);
229                 }
230
231         if (cflag & X509_FLAG_NO_EXTENSIONS)
232                 n = 0;
233         else
234                 n=X509_get_ext_count(x);
235         if (n > 0)
236                 {
237                 BIO_printf(bp,"%8sX509v3 extensions:\n","");
238                 for (i=0; i<n; i++)
239                         {
240                         ASN1_OBJECT *obj;
241                         ex=X509_get_ext(x,i);
242                         if (BIO_printf(bp,"%12s","") <= 0) goto err;
243                         obj=X509_EXTENSION_get_object(ex);
244                         i2a_ASN1_OBJECT(bp,obj);
245                         j=X509_EXTENSION_get_critical(ex);
246                         if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0)
247                                 goto err;
248                         if(!X509V3_EXT_print(bp, ex, cflag, 16))
249                                 {
250                                 BIO_printf(bp, "%16s", "");
251                                 M_ASN1_OCTET_STRING_print(bp,ex->value);
252                                 }
253                         if (BIO_write(bp,"\n",1) <= 0) goto err;
254                         }
255                 }
256
257         if(!(cflag & X509_FLAG_NO_SIGDUMP))
258                 {
259                 i=OBJ_obj2nid(x->sig_alg->algorithm);
260                 if (BIO_printf(bp,"%4sSignature Algorithm: %s","",
261                         (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
262
263                 n=x->signature->length;
264                 s=(char *)x->signature->data;
265                 for (i=0; i<n; i++)
266                         {
267                         if ((i%18) == 0)
268                                 if (BIO_write(bp,"\n        ",9) <= 0) goto err;
269                         if (BIO_printf(bp,"%02x%s",(unsigned char)s[i],
270                                 ((i+1) == n)?"":":") <= 0) goto err;
271                         }
272                 if (BIO_write(bp,"\n",1) != 1) goto err;
273                 }
274         if(!(cflag & X509_FLAG_NO_AUX))
275                 {
276                 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
277                 }
278         ret=1;
279 err:
280         if (str != NULL) ASN1_STRING_free(str);
281         if (m != NULL) OPENSSL_free(m);
282         return(ret);
283         }
284
285 int ASN1_STRING_print(BIO *bp, ASN1_STRING *v)
286         {
287         int i,n;
288         char buf[80],*p;;
289
290         if (v == NULL) return(0);
291         n=0;
292         p=(char *)v->data;
293         for (i=0; i<v->length; i++)
294                 {
295                 if ((p[i] > '~') || ((p[i] < ' ') &&
296                         (p[i] != '\n') && (p[i] != '\r')))
297                         buf[n]='.';
298                 else
299                         buf[n]=p[i];
300                 n++;
301                 if (n >= 80)
302                         {
303                         if (BIO_write(bp,buf,n) <= 0)
304                                 return(0);
305                         n=0;
306                         }
307                 }
308         if (n > 0)
309                 if (BIO_write(bp,buf,n) <= 0)
310                         return(0);
311         return(1);
312         }
313
314 int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm)
315 {
316         if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
317         if(tm->type == V_ASN1_GENERALIZEDTIME)
318                                 return ASN1_GENERALIZEDTIME_print(bp, tm);
319         BIO_write(bp,"Bad time value",14);
320         return(0);
321 }
322
323 static const char *mon[12]=
324     {
325     "Jan","Feb","Mar","Apr","May","Jun",
326     "Jul","Aug","Sep","Oct","Nov","Dec"
327     };
328
329 int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
330         {
331         char *v;
332         int gmt=0;
333         int i;
334         int y=0,M=0,d=0,h=0,m=0,s=0;
335
336         i=tm->length;
337         v=(char *)tm->data;
338
339         if (i < 12) goto err;
340         if (v[i-1] == 'Z') gmt=1;
341         for (i=0; i<12; i++)
342                 if ((v[i] > '9') || (v[i] < '0')) goto err;
343         y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
344         M= (v[4]-'0')*10+(v[5]-'0');
345         if ((M > 12) || (M < 1)) goto err;
346         d= (v[6]-'0')*10+(v[7]-'0');
347         h= (v[8]-'0')*10+(v[9]-'0');
348         m=  (v[10]-'0')*10+(v[11]-'0');
349         if (    (v[12] >= '0') && (v[12] <= '9') &&
350                 (v[13] >= '0') && (v[13] <= '9'))
351                 s=  (v[12]-'0')*10+(v[13]-'0');
352
353         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
354                 mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
355                 return(0);
356         else
357                 return(1);
358 err:
359         BIO_write(bp,"Bad time value",14);
360         return(0);
361         }
362
363 int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
364         {
365         char *v;
366         int gmt=0;
367         int i;
368         int y=0,M=0,d=0,h=0,m=0,s=0;
369
370         i=tm->length;
371         v=(char *)tm->data;
372
373         if (i < 10) goto err;
374         if (v[i-1] == 'Z') gmt=1;
375         for (i=0; i<10; i++)
376                 if ((v[i] > '9') || (v[i] < '0')) goto err;
377         y= (v[0]-'0')*10+(v[1]-'0');
378         if (y < 50) y+=100;
379         M= (v[2]-'0')*10+(v[3]-'0');
380         if ((M > 12) || (M < 1)) goto err;
381         d= (v[4]-'0')*10+(v[5]-'0');
382         h= (v[6]-'0')*10+(v[7]-'0');
383         m=  (v[8]-'0')*10+(v[9]-'0');
384         if (    (v[10] >= '0') && (v[10] <= '9') &&
385                 (v[11] >= '0') && (v[11] <= '9'))
386                 s=  (v[10]-'0')*10+(v[11]-'0');
387
388         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
389                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
390                 return(0);
391         else
392                 return(1);
393 err:
394         BIO_write(bp,"Bad time value",14);
395         return(0);
396         }
397
398 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
399         {
400         char *s,*c;
401         int ret=0,l,ll,i,first=1;
402         char buf[256];
403
404         ll=80-2-obase;
405
406         s=X509_NAME_oneline(name,buf,256);
407         s++; /* skip the first slash */
408
409         l=ll;
410         c=s;
411         for (;;)
412                 {
413 #ifndef CHARSET_EBCDIC
414                 if (    ((*s == '/') &&
415                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
416                                         (s[2] == '=') ||
417                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
418                                         (s[3] == '='))
419                                  ))) ||
420                         (*s == '\0'))
421 #else
422                 if (    ((*s == '/') &&
423                                 (isupper(s[1]) && (
424                                         (s[2] == '=') ||
425                                         (isupper(s[2]) &&
426                                         (s[3] == '='))
427                                  ))) ||
428                         (*s == '\0'))
429 #endif
430                         {
431                         if ((l <= 0) && !first)
432                                 {
433                                 first=0;
434                                 if (BIO_write(bp,"\n",1) != 1) goto err;
435                                 for (i=0; i<obase; i++)
436                                         {
437                                         if (BIO_write(bp," ",1) != 1) goto err;
438                                         }
439                                 l=ll;
440                                 }
441                         i=s-c;
442                         if (BIO_write(bp,c,i) != i) goto err;
443                         c+=i;
444                         c++;
445                         if (*s != '\0')
446                                 {
447                                 if (BIO_write(bp,", ",2) != 2) goto err;
448                                 }
449                         l--;
450                         }
451                 if (*s == '\0') break;
452                 s++;
453                 l--;
454                 }
455         
456         ret=1;
457         if (0)
458                 {
459 err:
460                 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
461                 }
462         return(ret);
463         }
464