13acdab427d772b85faebc305f1beb0b9b842a10
[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 "asn1_mac.h"
62 #include "x509.h"
63
64 /*
65  * ASN1err(ASN1_F_D2I_X509_CRL,ASN1_R_LENGTH_MISMATCH);
66  * ASN1err(ASN1_F_D2I_X509_CRL_INFO,ASN1_R_EXPECTING_A_SEQUENCE);
67  * ASN1err(ASN1_F_D2I_X509_REVOKED,ASN1_R_LENGTH_MISMATCH);
68  * ASN1err(ASN1_F_X509_CRL_NEW,ASN1_R_LENGTH_MISMATCH);
69  * ASN1err(ASN1_F_X509_CRL_INFO_NEW,ASN1_R_EXPECTING_A_SEQUENCE);
70  * ASN1err(ASN1_F_X509_REVOKED_NEW,ASN1_R_LENGTH_MISMATCH);
71  */
72
73 #ifndef NOPROTO
74 static int X509_REVOKED_cmp(X509_REVOKED **a,X509_REVOKED **b);
75 static int X509_REVOKED_seq_cmp(X509_REVOKED **a,X509_REVOKED **b);
76 #else
77 static int X509_REVOKED_cmp();
78 static int X509_REVOKED_seq_cmp();
79 #endif
80
81 int i2d_X509_REVOKED(a,pp)
82 X509_REVOKED *a;
83 unsigned char **pp;
84         {
85         M_ASN1_I2D_vars(a);
86
87         M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER);
88         M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_UTCTIME);
89         M_ASN1_I2D_len_SEQ_opt(a->extensions,i2d_X509_EXTENSION);
90
91         M_ASN1_I2D_seq_total();
92
93         M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER);
94         M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_UTCTIME);
95         M_ASN1_I2D_put_SEQ_opt(a->extensions,i2d_X509_EXTENSION);
96
97         M_ASN1_I2D_finish();
98         }
99
100 X509_REVOKED *d2i_X509_REVOKED(a,pp,length)
101 X509_REVOKED **a;
102 unsigned char **pp;
103 long length;
104         {
105         M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new);
106
107         M_ASN1_D2I_Init();
108         M_ASN1_D2I_start_sequence();
109         M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
110         M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_UTCTIME);
111         M_ASN1_D2I_get_seq_opt(ret->extensions,d2i_X509_EXTENSION);
112         M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
113         }
114
115 int i2d_X509_CRL_INFO(a,pp)
116 X509_CRL_INFO *a;
117 unsigned char **pp;
118         {
119         int v1=0;
120         long l=0;
121         M_ASN1_I2D_vars(a);
122
123         if (sk_num(a->revoked) != 0)
124                 qsort((char *)a->revoked->data,sk_num(a->revoked),
125                         sizeof(X509_REVOKED *),(int (*)(P_CC_CC))X509_REVOKED_seq_cmp);
126         if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
127                 {
128                 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
129                 }
130         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
131         M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
132         M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_UTCTIME);
133         if (a->nextUpdate != NULL)
134                 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_UTCTIME); }
135         M_ASN1_I2D_len_SEQ_opt(a->revoked,i2d_X509_REVOKED);
136         M_ASN1_I2D_len_EXP_set_opt(a->extensions,i2d_X509_EXTENSION,0,
137                 V_ASN1_SEQUENCE,v1);
138
139         M_ASN1_I2D_seq_total();
140
141         if ((a->version != NULL) && (l != 0))
142                 {
143                 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
144                 }
145         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
146         M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
147         M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_UTCTIME);
148         if (a->nextUpdate != NULL)
149                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_UTCTIME); }
150         M_ASN1_I2D_put_SEQ_opt(a->revoked,i2d_X509_REVOKED);
151         M_ASN1_I2D_put_EXP_set_opt(a->extensions,i2d_X509_EXTENSION,0,
152                 V_ASN1_SEQUENCE,v1);
153
154         M_ASN1_I2D_finish();
155         }
156
157 X509_CRL_INFO *d2i_X509_CRL_INFO(a,pp,length)
158 X509_CRL_INFO **a;
159 unsigned char **pp;
160 long length;
161         {
162         int i,ver=0;
163         M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
164
165
166         M_ASN1_D2I_Init();
167         M_ASN1_D2I_start_sequence();
168         M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
169         if (ret->version != NULL)
170                 ver=ret->version->data[0];
171         
172         if ((ver == 0) && (ret->version != NULL))
173                 {
174                 ASN1_INTEGER_free(ret->version);
175                 ret->version=NULL;
176                 }
177         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
178         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
179         M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_UTCTIME);
180         M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_UTCTIME,V_ASN1_UTCTIME);
181         if (ret->revoked != NULL)
182                 {
183                 while (sk_num(ret->revoked))
184                         X509_REVOKED_free((X509_REVOKED *)sk_pop(ret->revoked));
185                 }
186         M_ASN1_D2I_get_seq_opt(ret->revoked,d2i_X509_REVOKED);
187
188         if (ret->revoked != NULL)
189                 {
190                 for (i=0; i<sk_num(ret->revoked); i++)
191                         {
192                         ((X509_REVOKED *)sk_value(ret->revoked,i))->sequence=i;
193                         }
194                 }
195
196         if (ver >= 1)
197                 {
198                 if (ret->extensions != NULL)
199                         {
200                         while (sk_num(ret->extensions))
201                                 X509_EXTENSION_free((X509_EXTENSION *)
202                                 sk_pop(ret->extensions));
203                         }
204                         
205                 M_ASN1_D2I_get_EXP_set_opt(ret->extensions,d2i_X509_EXTENSION,
206                         0,V_ASN1_SEQUENCE);
207                 }
208
209         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
210         }
211
212 int i2d_X509_CRL(a,pp)
213 X509_CRL *a;
214 unsigned char **pp;
215         {
216         M_ASN1_I2D_vars(a);
217
218         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
219         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
220         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
221
222         M_ASN1_I2D_seq_total();
223
224         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
225         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
226         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
227
228         M_ASN1_I2D_finish();
229         }
230
231 X509_CRL *d2i_X509_CRL(a,pp,length)
232 X509_CRL **a;
233 unsigned char **pp;
234 long length;
235         {
236         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
237
238         M_ASN1_D2I_Init();
239         M_ASN1_D2I_start_sequence();
240         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
241         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
242         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
243
244         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
245         }
246
247
248 X509_REVOKED *X509_REVOKED_new()
249         {
250         X509_REVOKED *ret=NULL;
251
252         M_ASN1_New_Malloc(ret,X509_REVOKED);
253         M_ASN1_New(ret->serialNumber,ASN1_INTEGER_new);
254         M_ASN1_New(ret->revocationDate,ASN1_UTCTIME_new);
255         ret->extensions=NULL;
256         return(ret);
257         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
258         }
259
260 X509_CRL_INFO *X509_CRL_INFO_new()
261         {
262         X509_CRL_INFO *ret=NULL;
263
264         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
265         ret->version=NULL;
266         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
267         M_ASN1_New(ret->issuer,X509_NAME_new);
268         M_ASN1_New(ret->lastUpdate,ASN1_UTCTIME_new);
269         ret->nextUpdate=NULL;
270         M_ASN1_New(ret->revoked,sk_new_null);
271         M_ASN1_New(ret->extensions,sk_new_null);
272         ret->revoked->comp=(int (*)())X509_REVOKED_cmp;
273         return(ret);
274         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
275         }
276
277 X509_CRL *X509_CRL_new()
278         {
279         X509_CRL *ret=NULL;
280
281         M_ASN1_New_Malloc(ret,X509_CRL);
282         ret->references=1;
283         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
284         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
285         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
286         return(ret);
287         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
288         }
289
290 void X509_REVOKED_free(a)
291 X509_REVOKED *a;
292         {
293         if (a == NULL) return;
294         ASN1_INTEGER_free(a->serialNumber);
295         ASN1_UTCTIME_free(a->revocationDate);
296         sk_pop_free(a->extensions,X509_EXTENSION_free);
297         Free((char *)a);
298         }
299
300 void X509_CRL_INFO_free(a)
301 X509_CRL_INFO *a;
302         {
303         if (a == NULL) return;
304         ASN1_INTEGER_free(a->version);
305         X509_ALGOR_free(a->sig_alg);
306         X509_NAME_free(a->issuer);
307         ASN1_UTCTIME_free(a->lastUpdate);
308         if (a->nextUpdate)
309                 ASN1_UTCTIME_free(a->nextUpdate);
310         sk_pop_free(a->revoked,X509_REVOKED_free);
311         sk_pop_free(a->extensions,X509_EXTENSION_free);
312         Free((char *)a);
313         }
314
315 void X509_CRL_free(a)
316 X509_CRL *a;
317         {
318         int i;
319
320         if (a == NULL) return;
321
322         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
323 #ifdef REF_PRINT
324         REF_PRINT("X509_CRL",a);
325 #endif
326         if (i > 0) return;
327 #ifdef REF_CHECK
328         if (i < 0)
329                 {
330                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
331                 abort();
332                 }
333 #endif
334
335         X509_CRL_INFO_free(a->crl);
336         X509_ALGOR_free(a->sig_alg);
337         ASN1_BIT_STRING_free(a->signature);
338         Free((char *)a);
339         }
340
341 static int X509_REVOKED_cmp(a,b)
342 X509_REVOKED **a,**b;
343         {
344         return(ASN1_STRING_cmp(
345                 (ASN1_STRING *)(*a)->serialNumber,
346                 (ASN1_STRING *)(*b)->serialNumber));
347         }
348
349 static int X509_REVOKED_seq_cmp(a,b)
350 X509_REVOKED **a,**b;
351         {
352         return((*a)->sequence-(*b)->sequence);
353         }