28a38c16f42f205eb9ecd829e3b056535d087aee
[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, 2005 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/asn1t.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, ASN1_ITEM_ref(CRL_DIST_POINTS),
73 0,0,0,0,
74 0,0,
75 (X509V3_EXT_I2V)i2v_crld,
76 (X509V3_EXT_V2I)v2i_crld,
77 0,0,
78 NULL
79 };
80
81 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
82                         STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *exts)
83 {
84         DIST_POINT *point;
85         int i;
86         for(i = 0; i < sk_DIST_POINT_num(crld); i++) {
87                 point = sk_DIST_POINT_value(crld, i);
88                 if(point->distpoint) {
89                         if(point->distpoint->type == 0)
90                                 exts = i2v_GENERAL_NAMES(NULL,
91                                          point->distpoint->name.fullname, exts);
92                         else X509V3_add_value("RelativeName","<UNSUPPORTED>", &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         }
99         return exts;
100 }
101
102 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
103                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
104 {
105         STACK_OF(DIST_POINT) *crld = NULL;
106         GENERAL_NAMES *gens = NULL;
107         GENERAL_NAME *gen = NULL;
108         CONF_VALUE *cnf;
109         int i;
110         if(!(crld = sk_DIST_POINT_new_null())) goto merr;
111         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
112                 DIST_POINT *point;
113                 cnf = sk_CONF_VALUE_value(nval, i);
114                 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err; 
115                 if(!(gens = GENERAL_NAMES_new())) goto merr;
116                 if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
117                 gen = NULL;
118                 if(!(point = DIST_POINT_new())) goto merr;
119                 if(!sk_DIST_POINT_push(crld, point)) {
120                         DIST_POINT_free(point);
121                         goto merr;
122                 }
123                 if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
124                 point->distpoint->name.fullname = gens;
125                 point->distpoint->type = 0;
126                 gens = NULL;
127         }
128         return crld;
129
130         merr:
131         X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
132         err:
133         GENERAL_NAME_free(gen);
134         GENERAL_NAMES_free(gens);
135         sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
136         return NULL;
137 }
138
139 IMPLEMENT_STACK_OF(DIST_POINT)
140 IMPLEMENT_ASN1_SET_OF(DIST_POINT)
141
142
143 ASN1_CHOICE(DIST_POINT_NAME) = {
144         ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
145         ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
146 } ASN1_CHOICE_END(DIST_POINT_NAME)
147
148 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
149
150 ASN1_SEQUENCE(DIST_POINT) = {
151         ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
152         ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
153         ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
154 } ASN1_SEQUENCE_END(DIST_POINT)
155
156 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
157
158 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) = 
159         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
160 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
161
162 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
163
164 ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
165         ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
166         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
167         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
168         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
169         ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
170         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
171 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
172
173 static int i2r_idp(X509V3_EXT_METHOD *method,
174              void *pidp, BIO *out, int indent);
175
176 X509V3_EXT_METHOD v3_idp =
177         {
178         NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
179         ASN1_ITEM_ref(ISSUING_DIST_POINT),
180         0,0,0,0,
181         0,0,
182         0,0,
183         i2r_idp,0,
184         NULL
185         };
186
187 static const BIT_STRING_BITNAME reason_flags[] = {
188 {1, "Key Compromise", "keyCompromise"},
189 {2, "CA Compromise", "CACompromise"},
190 {3, "Affiliation Changed", "affiliationChanged"},
191 {4, "Superseded", "superseded"},
192 {5, "Cessation Of Operation", "cessationOfOperation"},
193 {6, "Certificate Hold", "certificateHold"},
194 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
195 {8, "AA Compromise", "AACompromise"},
196 {-1, NULL, NULL}
197 };
198
199 static int print_reasons(BIO *out, const char *rname,
200                         ASN1_BIT_STRING *rflags, int indent)
201         {
202         int first = 1;
203         const BIT_STRING_BITNAME *pbn;
204         BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
205         for (pbn = reason_flags; pbn->lname; pbn++)
206                 {
207                 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum))
208                         {
209                         if (first)
210                                 first = 0;
211                         else
212                                 BIO_puts(out, ",");
213                         BIO_puts(out, pbn->lname);
214                         }
215                 }
216         if (first)
217                 BIO_puts(out, "<EMPTY>\n");
218         else
219                 BIO_puts(out, "\n");
220         return 1;
221         }
222
223 static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
224         {
225         int i;
226         if (dpn->type == 0)
227                 {
228                 STACK_OF(GENERAL_NAME) *gens;
229                 BIO_printf(out, "%*sFull Name:\n", indent, "");
230                 gens = dpn->name.fullname;
231                 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
232                         {
233                         BIO_printf(out, "%*s", indent + 2, "");
234                         GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
235                         }
236                 }
237         else
238                 {
239                 X509_NAME ntmp;
240                 ntmp.entries = dpn->name.relativename;
241                 BIO_printf(out, "%*sRelative Name:\n%*s",
242                                                 indent, "", indent + 2, "");
243                 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
244                 BIO_puts(out, "\n");
245                 }
246         return 1;
247         }
248
249 static int i2r_idp(X509V3_EXT_METHOD *method, void *pidp, BIO *out, int indent)
250         {
251         ISSUING_DIST_POINT *idp = pidp;
252         if (idp->distpoint)
253                 print_distpoint(out, idp->distpoint, indent);
254         if (idp->onlyuser > 0)
255                 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
256         if (idp->onlyCA > 0)
257                 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
258         if (idp->indirectCRL > 0)
259                 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
260         if (idp->onlysomereasons)
261                 print_reasons(out, "Only Some Reasons", 
262                                 idp->onlysomereasons, indent);
263         if (idp->onlyattr > 0)
264                 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
265         if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
266                 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
267                 && (idp->onlyattr <= 0))
268                 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
269                 
270         return 1;
271         }