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More SSL functions documented. Submitted by Lutz Jaenicke <Lutz.Jaenicke@aet.TU...
[thirdparty/openssl.git] / crypto / asn1 / t_x509.c
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d02b48c6 1/* crypto/asn1/t_x509.c */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE
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"
ec577822
BM
61#include <openssl/buffer.h>
62#include <openssl/bn.h>
d02b48c6 63#ifndef NO_RSA
ec577822 64#include <openssl/rsa.h>
d02b48c6
RE
65#endif
66#ifndef NO_DSA
ec577822 67#include <openssl/dsa.h>
d02b48c6 68#endif
ec577822
BM
69#include <openssl/objects.h>
70#include <openssl/x509.h>
71#include <openssl/x509v3.h>
d02b48c6 72
58964a49 73#ifndef NO_FP_API
6b691a5c 74int X509_print_fp(FILE *fp, X509 *x)
d02b48c6
RE
75 {
76 BIO *b;
77 int ret;
78
79 if ((b=BIO_new(BIO_s_file())) == NULL)
80 {
81 X509err(X509_F_X509_PRINT_FP,ERR_R_BUF_LIB);
82 return(0);
83 }
84 BIO_set_fp(b,fp,BIO_NOCLOSE);
85 ret=X509_print(b, x);
86 BIO_free(b);
87 return(ret);
88 }
89#endif
90
6b691a5c 91int X509_print(BIO *bp, X509 *x)
d02b48c6
RE
92 {
93 long l;
94 int ret=0,i,j,n;
95 char *m=NULL,*s;
96 X509_CINF *ci;
97 ASN1_INTEGER *bs;
98 EVP_PKEY *pkey=NULL;
e778802f 99 const char *neg;
d02b48c6
RE
100 X509_EXTENSION *ex;
101 ASN1_STRING *str=NULL;
102
103 ci=x->cert_info;
104 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
105 if (BIO_write(bp," Data:\n",10) <= 0) goto err;
106 l=X509_get_version(x);
107 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
108 if (BIO_write(bp," Serial Number:",22) <= 0) goto err;
109
110 bs=X509_get_serialNumber(x);
111 if (bs->length <= 4)
112 {
113 l=ASN1_INTEGER_get(bs);
114 if (l < 0)
115 {
116 l= -l;
117 neg="-";
118 }
119 else
120 neg="";
121 if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
122 goto err;
123 }
124 else
125 {
126 neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
127 if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
128
129 for (i=0; i<bs->length; i++)
130 {
131 if (BIO_printf(bp,"%02x%c",bs->data[i],
132 ((i+1 == bs->length)?'\n':':')) <= 0)
133 goto err;
134 }
135 }
136
137 i=OBJ_obj2nid(ci->signature->algorithm);
138 if (BIO_printf(bp,"%8sSignature Algorithm: %s\n","",
139 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0)
140 goto err;
141
142 if (BIO_write(bp," Issuer: ",16) <= 0) goto err;
143 if (!X509_NAME_print(bp,X509_get_issuer_name(x),16)) goto err;
144 if (BIO_write(bp,"\n Validity\n",18) <= 0) goto err;
145 if (BIO_write(bp," Not Before: ",24) <= 0) goto err;
9b5cc156 146 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
d02b48c6 147 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err;
9b5cc156 148 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
d02b48c6
RE
149 if (BIO_write(bp,"\n Subject: ",18) <= 0) goto err;
150 if (!X509_NAME_print(bp,X509_get_subject_name(x),16)) goto err;
151 if (BIO_write(bp,"\n Subject Public Key Info:\n",34) <= 0)
152 goto err;
153 i=OBJ_obj2nid(ci->key->algor->algorithm);
154 if (BIO_printf(bp,"%12sPublic Key Algorithm: %s\n","",
155 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
156
157 pkey=X509_get_pubkey(x);
dfeab068
RE
158 if (pkey == NULL)
159 {
160 BIO_printf(bp,"%12sUnable to load Public Key\n","");
ab8f6b41 161 ERR_print_errors(bp);
dfeab068
RE
162 }
163 else
d02b48c6
RE
164#ifndef NO_RSA
165 if (pkey->type == EVP_PKEY_RSA)
166 {
167 BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
168 BN_num_bits(pkey->pkey.rsa->n));
169 RSA_print(bp,pkey->pkey.rsa,16);
170 }
171 else
172#endif
173#ifndef NO_DSA
174 if (pkey->type == EVP_PKEY_DSA)
175 {
176 BIO_printf(bp,"%12sDSA Public Key:\n","");
177 DSA_print(bp,pkey->pkey.dsa,16);
178 }
179 else
180#endif
dfeab068 181 BIO_printf(bp,"%12sUnknown Public Key:\n","");
d02b48c6 182
cfcf6453
DSH
183 EVP_PKEY_free(pkey);
184
d02b48c6
RE
185 n=X509_get_ext_count(x);
186 if (n > 0)
187 {
188 BIO_printf(bp,"%8sX509v3 extensions:\n","");
189 for (i=0; i<n; i++)
190 {
d02b48c6 191 ASN1_OBJECT *obj;
d02b48c6
RE
192 ex=X509_get_ext(x,i);
193 if (BIO_printf(bp,"%12s","") <= 0) goto err;
194 obj=X509_EXTENSION_get_object(ex);
195 i2a_ASN1_OBJECT(bp,obj);
196 j=X509_EXTENSION_get_critical(ex);
785cdf20 197 if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0)
d02b48c6 198 goto err;
785cdf20 199 if(!X509V3_EXT_print(bp, ex, 0, 16))
d02b48c6 200 {
785cdf20 201 BIO_printf(bp, "%16s", "");
08e9c1af 202 M_ASN1_OCTET_STRING_print(bp,ex->value);
d02b48c6
RE
203 }
204 if (BIO_write(bp,"\n",1) <= 0) goto err;
205 }
206 }
207
208 i=OBJ_obj2nid(x->sig_alg->algorithm);
209 if (BIO_printf(bp,"%4sSignature Algorithm: %s","",
210 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
211
212 n=x->signature->length;
213 s=(char *)x->signature->data;
214 for (i=0; i<n; i++)
215 {
216 if ((i%18) == 0)
217 if (BIO_write(bp,"\n ",9) <= 0) goto err;
218 if (BIO_printf(bp,"%02x%s",(unsigned char)s[i],
219 ((i+1) == n)?"":":") <= 0) goto err;
220 }
221 if (BIO_write(bp,"\n",1) != 1) goto err;
ce1b4fe1 222 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
d02b48c6
RE
223 ret=1;
224err:
225 if (str != NULL) ASN1_STRING_free(str);
26a3a48d 226 if (m != NULL) OPENSSL_free(m);
d02b48c6
RE
227 return(ret);
228 }
229
6b691a5c 230int ASN1_STRING_print(BIO *bp, ASN1_STRING *v)
d02b48c6
RE
231 {
232 int i,n;
233 char buf[80],*p;;
234
235 if (v == NULL) return(0);
236 n=0;
237 p=(char *)v->data;
238 for (i=0; i<v->length; i++)
239 {
240 if ((p[i] > '~') || ((p[i] < ' ') &&
241 (p[i] != '\n') && (p[i] != '\r')))
242 buf[n]='.';
243 else
244 buf[n]=p[i];
245 n++;
246 if (n >= 80)
247 {
248 if (BIO_write(bp,buf,n) <= 0)
249 return(0);
250 n=0;
251 }
252 }
253 if (n > 0)
254 if (BIO_write(bp,buf,n) <= 0)
255 return(0);
256 return(1);
257 }
258
6b691a5c 259int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm)
f6aed2cd
DSH
260{
261 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
262 if(tm->type == V_ASN1_GENERALIZEDTIME)
263 return ASN1_GENERALIZEDTIME_print(bp, tm);
264 BIO_write(bp,"Bad time value",14);
265 return(0);
266}
267
e778802f
BL
268static const char *mon[12]=
269 {
270 "Jan","Feb","Mar","Apr","May","Jun",
271 "Jul","Aug","Sep","Oct","Nov","Dec"
272 };
f6aed2cd 273
6b691a5c 274int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
f6aed2cd
DSH
275 {
276 char *v;
277 int gmt=0;
f6aed2cd
DSH
278 int i;
279 int y=0,M=0,d=0,h=0,m=0,s=0;
280
281 i=tm->length;
282 v=(char *)tm->data;
283
284 if (i < 12) goto err;
285 if (v[i-1] == 'Z') gmt=1;
286 for (i=0; i<12; i++)
287 if ((v[i] > '9') || (v[i] < '0')) goto err;
288 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
289 M= (v[4]-'0')*10+(v[5]-'0');
290 if ((M > 12) || (M < 1)) goto err;
291 d= (v[6]-'0')*10+(v[7]-'0');
292 h= (v[8]-'0')*10+(v[9]-'0');
293 m= (v[10]-'0')*10+(v[11]-'0');
294 if ( (v[12] >= '0') && (v[12] <= '9') &&
295 (v[13] >= '0') && (v[13] <= '9'))
296 s= (v[12]-'0')*10+(v[13]-'0');
297
298 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
299 mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
300 return(0);
301 else
302 return(1);
303err:
304 BIO_write(bp,"Bad time value",14);
305 return(0);
306 }
307
6b691a5c 308int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
d02b48c6
RE
309 {
310 char *v;
311 int gmt=0;
d02b48c6
RE
312 int i;
313 int y=0,M=0,d=0,h=0,m=0,s=0;
314
315 i=tm->length;
316 v=(char *)tm->data;
317
318 if (i < 10) goto err;
319 if (v[i-1] == 'Z') gmt=1;
320 for (i=0; i<10; i++)
321 if ((v[i] > '9') || (v[i] < '0')) goto err;
322 y= (v[0]-'0')*10+(v[1]-'0');
58964a49 323 if (y < 50) y+=100;
d02b48c6
RE
324 M= (v[2]-'0')*10+(v[3]-'0');
325 if ((M > 12) || (M < 1)) goto err;
326 d= (v[4]-'0')*10+(v[5]-'0');
327 h= (v[6]-'0')*10+(v[7]-'0');
328 m= (v[8]-'0')*10+(v[9]-'0');
329 if ( (v[10] >= '0') && (v[10] <= '9') &&
330 (v[11] >= '0') && (v[11] <= '9'))
331 s= (v[10]-'0')*10+(v[11]-'0');
332
333 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
334 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
335 return(0);
336 else
337 return(1);
338err:
339 BIO_write(bp,"Bad time value",14);
340 return(0);
341 }
342
6b691a5c 343int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
d02b48c6
RE
344 {
345 char *s,*c;
346 int ret=0,l,ll,i,first=1;
347 char buf[256];
348
349 ll=80-2-obase;
350
351 s=X509_NAME_oneline(name,buf,256);
352 s++; /* skip the first slash */
353
354 l=ll;
355 c=s;
356 for (;;)
357 {
a53955d8 358#ifndef CHARSET_EBCDIC
d02b48c6
RE
359 if ( ((*s == '/') &&
360 ((s[1] >= 'A') && (s[1] <= 'Z') && (
361 (s[2] == '=') ||
362 ((s[2] >= 'A') && (s[2] <= 'Z') &&
363 (s[3] == '='))
364 ))) ||
365 (*s == '\0'))
a53955d8
UM
366#else
367 if ( ((*s == '/') &&
368 (isupper(s[1]) && (
369 (s[2] == '=') ||
370 (isupper(s[2]) &&
371 (s[3] == '='))
372 ))) ||
373 (*s == '\0'))
374#endif
d02b48c6
RE
375 {
376 if ((l <= 0) && !first)
377 {
378 first=0;
379 if (BIO_write(bp,"\n",1) != 1) goto err;
380 for (i=0; i<obase; i++)
381 {
382 if (BIO_write(bp," ",1) != 1) goto err;
383 }
384 l=ll;
385 }
386 i=s-c;
387 if (BIO_write(bp,c,i) != i) goto err;
388 c+=i;
389 c++;
390 if (*s != '\0')
391 {
392 if (BIO_write(bp,", ",2) != 2) goto err;
393 }
394 l--;
395 }
396 if (*s == '\0') break;
397 s++;
398 l--;
399 }
400
401 ret=1;
402 if (0)
403 {
404err:
405 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
406 }
407 return(ret);
408 }
409