5ca5373f396c72d782c9a6b87328d57ee1a8e3de
[openssl.git] / crypto / x509v3 / v3_crld.c
1 /* v3_crld.c */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3  * project 1999.
4  */
5 /* ====================================================================
6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer. 
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    licensing@OpenSSL.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * This product includes cryptographic software written by Eric Young
54  * (eay@cryptsoft.com).  This product includes software written by Tim
55  * Hudson (tjh@cryptsoft.com).
56  *
57  */
58
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/conf.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1_mac.h>
64 #include <openssl/x509v3.h>
65
66 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
67                 STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *extlist);
68 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
69                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
70
71 X509V3_EXT_METHOD v3_crld = {
72 NID_crl_distribution_points, X509V3_EXT_MULTILINE,
73 (X509V3_EXT_NEW)CRL_DIST_POINTS_new,
74 (X509V3_EXT_FREE)CRL_DIST_POINTS_free,
75 (X509V3_EXT_D2I)d2i_CRL_DIST_POINTS,
76 (X509V3_EXT_I2D)i2d_CRL_DIST_POINTS,
77 NULL, NULL,
78 (X509V3_EXT_I2V)i2v_crld,
79 (X509V3_EXT_V2I)v2i_crld,
80 NULL, NULL, NULL
81 };
82
83 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
84                         STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *exts)
85 {
86         DIST_POINT *point;
87         int i;
88         for(i = 0; i < sk_DIST_POINT_num(crld); i++) {
89                 point = sk_DIST_POINT_value(crld, i);
90                 if(point->distpoint && point->distpoint->fullname) {
91                         exts = i2v_GENERAL_NAMES(NULL,
92                                          point->distpoint->fullname, exts);
93                 }
94                 if(point->reasons) 
95                         X509V3_add_value("reasons","<UNSUPPORTED>", &exts);
96                 if(point->CRLissuer)
97                         X509V3_add_value("CRLissuer","<UNSUPPORTED>", &exts);
98                 if(point->distpoint && point->distpoint->relativename)
99                         X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts);
100         }
101         return exts;
102 }
103
104 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
105                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
106 {
107         STACK_OF(DIST_POINT) *crld = NULL;
108         STACK_OF(GENERAL_NAME) *gens = NULL;
109         GENERAL_NAME *gen = NULL;
110         CONF_VALUE *cnf;
111         int i;
112         if(!(crld = sk_DIST_POINT_new(NULL))) goto merr;
113         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
114                 DIST_POINT *point;
115                 cnf = sk_CONF_VALUE_value(nval, i);
116                 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err; 
117                 if(!(gens = GENERAL_NAMES_new())) goto merr;
118                 if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
119                 gen = NULL;
120                 if(!(point = DIST_POINT_new())) goto merr;
121                 if(!sk_DIST_POINT_push(crld, point)) {
122                         DIST_POINT_free(point);
123                         goto merr;
124                 }
125                 if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
126                 point->distpoint->fullname = gens;
127                 gens = NULL;
128         }
129         return crld;
130
131         merr:
132         X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
133         err:
134         GENERAL_NAME_free(gen);
135         GENERAL_NAMES_free(gens);
136         sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
137         return NULL;
138 }
139
140 int i2d_CRL_DIST_POINTS(STACK_OF(DIST_POINT) *a, unsigned char **pp)
141 {
142
143 return i2d_ASN1_SET_OF_DIST_POINT(a, pp, i2d_DIST_POINT, V_ASN1_SEQUENCE,
144                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);}
145
146 STACK_OF(DIST_POINT) *CRL_DIST_POINTS_new(void)
147 {
148         return sk_DIST_POINT_new_null();
149 }
150
151 void CRL_DIST_POINTS_free(STACK_OF(DIST_POINT) *a)
152 {
153         sk_DIST_POINT_pop_free(a, DIST_POINT_free);
154 }
155
156 STACK_OF(DIST_POINT) *d2i_CRL_DIST_POINTS(STACK_OF(DIST_POINT) **a,
157                 unsigned char **pp,long length)
158 {
159 return d2i_ASN1_SET_OF_DIST_POINT(a, pp, length, d2i_DIST_POINT,
160                          DIST_POINT_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
161
162 }
163
164 IMPLEMENT_STACK_OF(DIST_POINT)
165 IMPLEMENT_ASN1_SET_OF(DIST_POINT)
166
167 int i2d_DIST_POINT(DIST_POINT *a, unsigned char **pp)
168 {
169         int v = 0;
170         M_ASN1_I2D_vars(a);
171         /* NB: underlying type is a CHOICE so need EXPLICIT tagging */
172         M_ASN1_I2D_len_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
173         M_ASN1_I2D_len_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING);
174         M_ASN1_I2D_len_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES);
175
176         M_ASN1_I2D_seq_total();
177
178         M_ASN1_I2D_put_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
179         M_ASN1_I2D_put_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING, 1);
180         M_ASN1_I2D_put_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES, 2);
181
182         M_ASN1_I2D_finish();
183 }
184
185 DIST_POINT *DIST_POINT_new(void)
186 {
187         DIST_POINT *ret=NULL;
188         ASN1_CTX c;
189         M_ASN1_New_Malloc(ret, DIST_POINT);
190         ret->distpoint = NULL;
191         ret->reasons = NULL;
192         ret->CRLissuer = NULL;
193         return (ret);
194         M_ASN1_New_Error(ASN1_F_DIST_POINT_NEW);
195 }
196
197 DIST_POINT *d2i_DIST_POINT(DIST_POINT **a, unsigned char **pp, long length)
198 {
199         M_ASN1_D2I_vars(a,DIST_POINT *,DIST_POINT_new);
200         M_ASN1_D2I_Init();
201         M_ASN1_D2I_start_sequence();
202         M_ASN1_D2I_get_EXP_opt (ret->distpoint, d2i_DIST_POINT_NAME, 0);
203         M_ASN1_D2I_get_IMP_opt (ret->reasons, d2i_ASN1_BIT_STRING, 1,
204                                                         V_ASN1_BIT_STRING);
205         M_ASN1_D2I_get_IMP_opt (ret->CRLissuer, d2i_GENERAL_NAMES, 2,
206                                                         V_ASN1_SEQUENCE);
207         M_ASN1_D2I_Finish(a, DIST_POINT_free, ASN1_F_D2I_DIST_POINT);
208 }
209
210 void DIST_POINT_free(DIST_POINT *a)
211 {
212         if (a == NULL) return;
213         DIST_POINT_NAME_free(a->distpoint);
214         M_ASN1_BIT_STRING_free(a->reasons);
215         sk_GENERAL_NAME_pop_free(a->CRLissuer, GENERAL_NAME_free);
216         OPENSSL_free (a);
217 }
218
219 int i2d_DIST_POINT_NAME(DIST_POINT_NAME *a, unsigned char **pp)
220 {
221         M_ASN1_I2D_vars(a);
222
223         if(a->fullname) {
224                 M_ASN1_I2D_len_IMP_opt (a->fullname, i2d_GENERAL_NAMES);
225         } else {
226                 M_ASN1_I2D_len_IMP_SET_opt_type(X509_NAME_ENTRY,
227                                 a->relativename, i2d_X509_NAME_ENTRY, 1);
228         }
229
230         /* Don't want a SEQUENCE so... */
231         if(pp == NULL) return ret;
232         p = *pp;
233
234         if(a->fullname) {
235                 M_ASN1_I2D_put_IMP_opt (a->fullname, i2d_GENERAL_NAMES, 0);
236         } else {
237                 M_ASN1_I2D_put_IMP_SET_opt_type(X509_NAME_ENTRY,
238                                 a->relativename, i2d_X509_NAME_ENTRY, 1);
239         }
240         M_ASN1_I2D_finish();
241 }
242
243 DIST_POINT_NAME *DIST_POINT_NAME_new(void)
244 {
245         DIST_POINT_NAME *ret=NULL;
246         ASN1_CTX c;
247         M_ASN1_New_Malloc(ret, DIST_POINT_NAME);
248         ret->fullname = NULL;
249         ret->relativename = NULL;
250         return (ret);
251         M_ASN1_New_Error(ASN1_F_DIST_POINT_NAME_NEW);
252 }
253
254 void DIST_POINT_NAME_free(DIST_POINT_NAME *a)
255 {
256         if (a == NULL) return;
257         sk_X509_NAME_ENTRY_pop_free(a->relativename, X509_NAME_ENTRY_free);
258         sk_GENERAL_NAME_pop_free(a->fullname, GENERAL_NAME_free);
259         OPENSSL_free (a);
260 }
261
262 DIST_POINT_NAME *d2i_DIST_POINT_NAME(DIST_POINT_NAME **a, unsigned char **pp,
263              long length)
264 {
265         unsigned char _tmp, tag;
266         M_ASN1_D2I_vars(a,DIST_POINT_NAME *,DIST_POINT_NAME_new);
267         M_ASN1_D2I_Init();
268         c.slen = length;
269
270         _tmp = M_ASN1_next;
271         tag = _tmp & ~V_ASN1_CONSTRUCTED;
272         
273         if(tag == (0|V_ASN1_CONTEXT_SPECIFIC)) {
274                 M_ASN1_D2I_get_imp(ret->fullname, d2i_GENERAL_NAMES,
275                                                         V_ASN1_SEQUENCE);
276         } else if (tag == (1|V_ASN1_CONTEXT_SPECIFIC)) {
277                 M_ASN1_D2I_get_IMP_set_opt_type (X509_NAME_ENTRY,
278                         ret->relativename, d2i_X509_NAME_ENTRY, X509_NAME_ENTRY_free, 1);
279         } else {
280                 c.error = ASN1_R_BAD_TAG;
281                 goto err;
282         }
283
284         M_ASN1_D2I_Finish(a, DIST_POINT_NAME_free, ASN1_F_D2I_DIST_POINT_NAME);
285 }