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[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,ERR_R_ASN1_LENGTH_MISMATCH);
66  * ASN1err(ASN1_F_D2I_X509_CRL_INFO,ERR_R_EXPECTING_AN_ASN1_SEQUENCE);
67  * ASN1err(ASN1_F_D2I_X509_REVOKED,ERR_R_ASN1_LENGTH_MISMATCH);
68  * ASN1err(ASN1_F_X509_CRL_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
69  * ASN1err(ASN1_F_X509_CRL_INFO_NEW,ERR_R_EXPECTING_AN_ASN1_SEQUENCE);
70  * ASN1err(ASN1_F_X509_REVOKED_NEW,ERR_R_ASN1_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                 X509_EXTENSION_free);
113         M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
114         }
115
116 int i2d_X509_CRL_INFO(a,pp)
117 X509_CRL_INFO *a;
118 unsigned char **pp;
119         {
120         int v1=0;
121         long l=0;
122         M_ASN1_I2D_vars(a);
123
124         if (sk_num(a->revoked) != 0)
125                 qsort((char *)a->revoked->data,sk_num(a->revoked),
126                         sizeof(X509_REVOKED *),(int (*)(P_CC_CC))X509_REVOKED_seq_cmp);
127         if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
128                 {
129                 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
130                 }
131         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
132         M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
133         M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_UTCTIME);
134         if (a->nextUpdate != NULL)
135                 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_UTCTIME); }
136         M_ASN1_I2D_len_SEQ_opt(a->revoked,i2d_X509_REVOKED);
137         M_ASN1_I2D_len_EXP_set_opt(a->extensions,i2d_X509_EXTENSION,0,
138                 V_ASN1_SEQUENCE,v1);
139
140         M_ASN1_I2D_seq_total();
141
142         if ((a->version != NULL) && (l != 0))
143                 {
144                 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
145                 }
146         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
147         M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
148         M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_UTCTIME);
149         if (a->nextUpdate != NULL)
150                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_UTCTIME); }
151         M_ASN1_I2D_put_SEQ_opt(a->revoked,i2d_X509_REVOKED);
152         M_ASN1_I2D_put_EXP_set_opt(a->extensions,i2d_X509_EXTENSION,0,
153                 V_ASN1_SEQUENCE,v1);
154
155         M_ASN1_I2D_finish();
156         }
157
158 X509_CRL_INFO *d2i_X509_CRL_INFO(a,pp,length)
159 X509_CRL_INFO **a;
160 unsigned char **pp;
161 long length;
162         {
163         int i,ver=0;
164         M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
165
166
167         M_ASN1_D2I_Init();
168         M_ASN1_D2I_start_sequence();
169         M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
170         if (ret->version != NULL)
171                 ver=ret->version->data[0];
172         
173         if ((ver == 0) && (ret->version != NULL))
174                 {
175                 ASN1_INTEGER_free(ret->version);
176                 ret->version=NULL;
177                 }
178         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
179         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
180         M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_UTCTIME);
181         M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_UTCTIME,V_ASN1_UTCTIME);
182         if (ret->revoked != NULL)
183                 {
184                 while (sk_num(ret->revoked))
185                         X509_REVOKED_free((X509_REVOKED *)sk_pop(ret->revoked));
186                 }
187         M_ASN1_D2I_get_seq_opt(ret->revoked,d2i_X509_REVOKED,X509_REVOKED_free);
188
189         if (ret->revoked != NULL)
190                 {
191                 for (i=0; i<sk_num(ret->revoked); i++)
192                         {
193                         ((X509_REVOKED *)sk_value(ret->revoked,i))->sequence=i;
194                         }
195                 }
196
197         if (ver >= 1)
198                 {
199                 if (ret->extensions != NULL)
200                         {
201                         while (sk_num(ret->extensions))
202                                 X509_EXTENSION_free((X509_EXTENSION *)
203                                 sk_pop(ret->extensions));
204                         }
205                         
206                 M_ASN1_D2I_get_EXP_set_opt(ret->extensions,d2i_X509_EXTENSION,
207                         X509_EXTENSION_free,0,V_ASN1_SEQUENCE);
208                 }
209
210         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
211         }
212
213 int i2d_X509_CRL(a,pp)
214 X509_CRL *a;
215 unsigned char **pp;
216         {
217         M_ASN1_I2D_vars(a);
218
219         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
220         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
221         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
222
223         M_ASN1_I2D_seq_total();
224
225         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
226         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
227         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
228
229         M_ASN1_I2D_finish();
230         }
231
232 X509_CRL *d2i_X509_CRL(a,pp,length)
233 X509_CRL **a;
234 unsigned char **pp;
235 long length;
236         {
237         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
238
239         M_ASN1_D2I_Init();
240         M_ASN1_D2I_start_sequence();
241         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
242         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
243         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
244
245         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
246         }
247
248
249 X509_REVOKED *X509_REVOKED_new()
250         {
251         X509_REVOKED *ret=NULL;
252         ASN1_CTX c;
253
254         M_ASN1_New_Malloc(ret,X509_REVOKED);
255         M_ASN1_New(ret->serialNumber,ASN1_INTEGER_new);
256         M_ASN1_New(ret->revocationDate,ASN1_UTCTIME_new);
257         ret->extensions=NULL;
258         return(ret);
259         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
260         }
261
262 X509_CRL_INFO *X509_CRL_INFO_new()
263         {
264         X509_CRL_INFO *ret=NULL;
265         ASN1_CTX c;
266
267         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
268         ret->version=NULL;
269         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
270         M_ASN1_New(ret->issuer,X509_NAME_new);
271         M_ASN1_New(ret->lastUpdate,ASN1_UTCTIME_new);
272         ret->nextUpdate=NULL;
273         M_ASN1_New(ret->revoked,sk_new_null);
274         M_ASN1_New(ret->extensions,sk_new_null);
275         ret->revoked->comp=(int (*)())X509_REVOKED_cmp;
276         return(ret);
277         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
278         }
279
280 X509_CRL *X509_CRL_new()
281         {
282         X509_CRL *ret=NULL;
283         ASN1_CTX c;
284
285         M_ASN1_New_Malloc(ret,X509_CRL);
286         ret->references=1;
287         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
288         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
289         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
290         return(ret);
291         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
292         }
293
294 void X509_REVOKED_free(a)
295 X509_REVOKED *a;
296         {
297         if (a == NULL) return;
298         ASN1_INTEGER_free(a->serialNumber);
299         ASN1_UTCTIME_free(a->revocationDate);
300         sk_pop_free(a->extensions,X509_EXTENSION_free);
301         Free((char *)a);
302         }
303
304 void X509_CRL_INFO_free(a)
305 X509_CRL_INFO *a;
306         {
307         if (a == NULL) return;
308         ASN1_INTEGER_free(a->version);
309         X509_ALGOR_free(a->sig_alg);
310         X509_NAME_free(a->issuer);
311         ASN1_UTCTIME_free(a->lastUpdate);
312         if (a->nextUpdate)
313                 ASN1_UTCTIME_free(a->nextUpdate);
314         sk_pop_free(a->revoked,X509_REVOKED_free);
315         sk_pop_free(a->extensions,X509_EXTENSION_free);
316         Free((char *)a);
317         }
318
319 void X509_CRL_free(a)
320 X509_CRL *a;
321         {
322         int i;
323
324         if (a == NULL) return;
325
326         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
327 #ifdef REF_PRINT
328         REF_PRINT("X509_CRL",a);
329 #endif
330         if (i > 0) return;
331 #ifdef REF_CHECK
332         if (i < 0)
333                 {
334                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
335                 abort();
336                 }
337 #endif
338
339         X509_CRL_INFO_free(a->crl);
340         X509_ALGOR_free(a->sig_alg);
341         ASN1_BIT_STRING_free(a->signature);
342         Free((char *)a);
343         }
344
345 static int X509_REVOKED_cmp(a,b)
346 X509_REVOKED **a,**b;
347         {
348         return(ASN1_STRING_cmp(
349                 (ASN1_STRING *)(*a)->serialNumber,
350                 (ASN1_STRING *)(*b)->serialNumber));
351         }
352
353 static int X509_REVOKED_seq_cmp(a,b)
354 X509_REVOKED **a,**b;
355         {
356         return((*a)->sequence-(*b)->sequence);
357         }