6755cd610424941d06148e342e691d169e3207e2
[openssl.git] / crypto / asn1 / x_crl.c
1 /* crypto/asn1/x_crl.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/asn1_mac.h>
62 #include <openssl/x509.h>
63
64 static int X509_REVOKED_cmp(X509_REVOKED **a,X509_REVOKED **b);
65 static int X509_REVOKED_seq_cmp(X509_REVOKED **a,X509_REVOKED **b);
66 int i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **pp)
67         {
68         M_ASN1_I2D_vars(a);
69
70         M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER);
71         M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_TIME);
72         M_ASN1_I2D_len_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
73                                          i2d_X509_EXTENSION);
74
75         M_ASN1_I2D_seq_total();
76
77         M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER);
78         M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_TIME);
79         M_ASN1_I2D_put_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
80                                          i2d_X509_EXTENSION);
81
82         M_ASN1_I2D_finish();
83         }
84
85 X509_REVOKED *d2i_X509_REVOKED(X509_REVOKED **a, unsigned char **pp,
86              long length)
87         {
88         M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new);
89
90         M_ASN1_D2I_Init();
91         M_ASN1_D2I_start_sequence();
92         M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
93         M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_TIME);
94         M_ASN1_D2I_get_seq_opt_type(X509_EXTENSION,ret->extensions,
95                                     d2i_X509_EXTENSION,X509_EXTENSION_free);
96         M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
97         }
98
99 int i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **pp)
100         {
101         int v1=0;
102         long l=0;
103         int (*old_cmp)(X509_REVOKED **,X509_REVOKED **);
104         M_ASN1_I2D_vars(a);
105         
106         old_cmp=sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_seq_cmp);
107         sk_X509_REVOKED_sort(a->revoked);
108         sk_X509_REVOKED_set_cmp_func(a->revoked,old_cmp);
109
110         if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
111                 {
112                 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
113                 }
114         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
115         M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
116         M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME);
117         if (a->nextUpdate != NULL)
118                 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); }
119         M_ASN1_I2D_len_SEQUENCE_opt_type(X509_REVOKED,a->revoked,
120                                          i2d_X509_REVOKED);
121         M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
122                                              i2d_X509_EXTENSION,0,
123                                              V_ASN1_SEQUENCE,v1);
124
125         M_ASN1_I2D_seq_total();
126
127         if ((a->version != NULL) && (l != 0))
128                 {
129                 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
130                 }
131         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
132         M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
133         M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_UTCTIME);
134         if (a->nextUpdate != NULL)
135                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_UTCTIME); }
136         M_ASN1_I2D_put_SEQUENCE_opt_type(X509_REVOKED,a->revoked,
137                                          i2d_X509_REVOKED);
138         M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
139                                              i2d_X509_EXTENSION,0,
140                                              V_ASN1_SEQUENCE,v1);
141
142         M_ASN1_I2D_finish();
143         }
144
145 X509_CRL_INFO *d2i_X509_CRL_INFO(X509_CRL_INFO **a, unsigned char **pp,
146              long length)
147         {
148         int i,ver=0;
149         M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
150
151
152         M_ASN1_D2I_Init();
153         M_ASN1_D2I_start_sequence();
154         M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
155         if (ret->version != NULL)
156                 ver=ret->version->data[0];
157         
158         if ((ver == 0) && (ret->version != NULL))
159                 {
160                 M_ASN1_INTEGER_free(ret->version);
161                 ret->version=NULL;
162                 }
163         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
164         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
165         M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME);
166         /* Manually handle the OPTIONAL ASN1_TIME stuff */
167         if(c.slen != 0
168            && ( (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
169                     (V_ASN1_UNIVERSAL|V_ASN1_UTCTIME)
170                 || (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
171                     (V_ASN1_UNIVERSAL|V_ASN1_GENERALIZEDTIME) ) ) {
172                 M_ASN1_D2I_get(ret->nextUpdate,d2i_ASN1_TIME);
173         }
174         if(!ret->nextUpdate) 
175                 M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME,
176                                                         V_ASN1_GENERALIZEDTIME);
177         if (ret->revoked != NULL)
178                 {
179                 while (sk_X509_REVOKED_num(ret->revoked))
180                         X509_REVOKED_free(sk_X509_REVOKED_pop(ret->revoked));
181                 }
182         M_ASN1_D2I_get_seq_opt_type(X509_REVOKED,ret->revoked,d2i_X509_REVOKED,
183                                     X509_REVOKED_free);
184
185         if (ret->revoked != NULL)
186                 {
187                 for (i=0; i<sk_X509_REVOKED_num(ret->revoked); i++)
188                         {
189                         sk_X509_REVOKED_value(ret->revoked,i)->sequence=i;
190                         }
191                 }
192
193         if (ret->extensions != NULL)
194                 {
195                 while (sk_X509_EXTENSION_num(ret->extensions))
196                         X509_EXTENSION_free(
197                         sk_X509_EXTENSION_pop(ret->extensions));
198                 }
199                 
200         M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,ret->extensions,
201                                         d2i_X509_EXTENSION,
202                                         X509_EXTENSION_free,0,
203                                         V_ASN1_SEQUENCE);
204
205         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
206         }
207
208 int i2d_X509_CRL(X509_CRL *a, unsigned char **pp)
209         {
210         M_ASN1_I2D_vars(a);
211
212         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
213         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
214         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
215
216         M_ASN1_I2D_seq_total();
217
218         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
219         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
220         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
221
222         M_ASN1_I2D_finish();
223         }
224
225 X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length)
226         {
227         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
228
229         M_ASN1_D2I_Init();
230         M_ASN1_D2I_start_sequence();
231         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
232         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
233         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
234
235         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
236         }
237
238
239 X509_REVOKED *X509_REVOKED_new(void)
240         {
241         X509_REVOKED *ret=NULL;
242         ASN1_CTX c;
243
244         M_ASN1_New_Malloc(ret,X509_REVOKED);
245         M_ASN1_New(ret->serialNumber,M_ASN1_INTEGER_new);
246         M_ASN1_New(ret->revocationDate,M_ASN1_UTCTIME_new);
247         ret->extensions=NULL;
248         return(ret);
249         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
250         }
251
252 X509_CRL_INFO *X509_CRL_INFO_new(void)
253         {
254         X509_CRL_INFO *ret=NULL;
255         ASN1_CTX c;
256
257         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
258         ret->version=NULL;
259         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
260         M_ASN1_New(ret->issuer,X509_NAME_new);
261         M_ASN1_New(ret->lastUpdate,M_ASN1_UTCTIME_new);
262         ret->nextUpdate=NULL;
263         M_ASN1_New(ret->revoked,sk_X509_REVOKED_new_null);
264         M_ASN1_New(ret->extensions,sk_X509_EXTENSION_new_null);
265         sk_X509_REVOKED_set_cmp_func(ret->revoked,X509_REVOKED_cmp);
266         return(ret);
267         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
268         }
269
270 X509_CRL *X509_CRL_new(void)
271         {
272         X509_CRL *ret=NULL;
273         ASN1_CTX c;
274
275         M_ASN1_New_Malloc(ret,X509_CRL);
276         ret->references=1;
277         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
278         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
279         M_ASN1_New(ret->signature,M_ASN1_BIT_STRING_new);
280         return(ret);
281         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
282         }
283
284 void X509_REVOKED_free(X509_REVOKED *a)
285         {
286         if (a == NULL) return;
287         M_ASN1_INTEGER_free(a->serialNumber);
288         M_ASN1_UTCTIME_free(a->revocationDate);
289         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
290         Free(a);
291         }
292
293 void X509_CRL_INFO_free(X509_CRL_INFO *a)
294         {
295         if (a == NULL) return;
296         M_ASN1_INTEGER_free(a->version);
297         X509_ALGOR_free(a->sig_alg);
298         X509_NAME_free(a->issuer);
299         M_ASN1_UTCTIME_free(a->lastUpdate);
300         if (a->nextUpdate)
301                 M_ASN1_UTCTIME_free(a->nextUpdate);
302         sk_X509_REVOKED_pop_free(a->revoked,X509_REVOKED_free);
303         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
304         Free(a);
305         }
306
307 void X509_CRL_free(X509_CRL *a)
308         {
309         int i;
310
311         if (a == NULL) return;
312
313         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
314 #ifdef REF_PRINT
315         REF_PRINT("X509_CRL",a);
316 #endif
317         if (i > 0) return;
318 #ifdef REF_CHECK
319         if (i < 0)
320                 {
321                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
322                 abort();
323                 }
324 #endif
325
326         X509_CRL_INFO_free(a->crl);
327         X509_ALGOR_free(a->sig_alg);
328         M_ASN1_BIT_STRING_free(a->signature);
329         Free(a);
330         }
331
332 static int X509_REVOKED_cmp(X509_REVOKED **a, X509_REVOKED **b)
333         {
334         return(ASN1_STRING_cmp(
335                 (ASN1_STRING *)(*a)->serialNumber,
336                 (ASN1_STRING *)(*b)->serialNumber));
337         }
338
339 static int X509_REVOKED_seq_cmp(X509_REVOKED **a, X509_REVOKED **b)
340         {
341         return((*a)->sequence-(*b)->sequence);
342         }
343
344 IMPLEMENT_STACK_OF(X509_REVOKED)
345 IMPLEMENT_ASN1_SET_OF(X509_REVOKED)
346 IMPLEMENT_STACK_OF(X509_CRL)
347 IMPLEMENT_ASN1_SET_OF(X509_CRL)