]> CyberLeo.Net >> Repos - FreeBSD/releng/9.3.git/blob - crypto/openssl/crypto/x509v3/v3_crld.c
Fix multiple OpenSSL vulnerabilities.
[FreeBSD/releng/9.3.git] / crypto / openssl / crypto / x509v3 / v3_crld.c
1 /* v3_crld.c */
2 /*
3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4  * 1999.
5  */
6 /* ====================================================================
7  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in
18  *    the documentation and/or other materials provided with the
19  *    distribution.
20  *
21  * 3. All advertising materials mentioning features or use of this
22  *    software must display the following acknowledgment:
23  *    "This product includes software developed by the OpenSSL Project
24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25  *
26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27  *    endorse or promote products derived from this software without
28  *    prior written permission. For written permission, please contact
29  *    licensing@OpenSSL.org.
30  *
31  * 5. Products derived from this software may not be called "OpenSSL"
32  *    nor may "OpenSSL" appear in their names without prior written
33  *    permission of the OpenSSL Project.
34  *
35  * 6. Redistributions of any form whatsoever must retain the following
36  *    acknowledgment:
37  *    "This product includes software developed by the OpenSSL Project
38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51  * OF THE POSSIBILITY OF SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This product includes cryptographic software written by Eric Young
55  * (eay@cryptsoft.com).  This product includes software written by Tim
56  * Hudson (tjh@cryptsoft.com).
57  *
58  */
59
60 #include <stdio.h>
61 #include "cryptlib.h"
62 #include <openssl/conf.h>
63 #include <openssl/asn1.h>
64 #include <openssl/asn1t.h>
65 #include <openssl/x509v3.h>
66
67 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
68                                       STACK_OF(DIST_POINT) *crld,
69                                       STACK_OF(CONF_VALUE) *extlist);
70 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
71                                       X509V3_CTX *ctx,
72                                       STACK_OF(CONF_VALUE) *nval);
73
74 const X509V3_EXT_METHOD v3_crld = {
75     NID_crl_distribution_points, X509V3_EXT_MULTILINE,
76     ASN1_ITEM_ref(CRL_DIST_POINTS),
77     0, 0, 0, 0,
78     0, 0,
79     (X509V3_EXT_I2V) i2v_crld,
80     (X509V3_EXT_V2I)v2i_crld,
81     0, 0,
82     NULL
83 };
84
85 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
86                                       STACK_OF(DIST_POINT) *crld,
87                                       STACK_OF(CONF_VALUE) *exts)
88 {
89     DIST_POINT *point;
90     int i;
91     for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
92         point = sk_DIST_POINT_value(crld, i);
93         if (point->distpoint) {
94             if (point->distpoint->type == 0)
95                 exts = i2v_GENERAL_NAMES(NULL,
96                                          point->distpoint->name.fullname,
97                                          exts);
98             else
99                 X509V3_add_value("RelativeName", "<UNSUPPORTED>", &exts);
100         }
101         if (point->reasons)
102             X509V3_add_value("reasons", "<UNSUPPORTED>", &exts);
103         if (point->CRLissuer)
104             X509V3_add_value("CRLissuer", "<UNSUPPORTED>", &exts);
105     }
106     return exts;
107 }
108
109 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
110                                       X509V3_CTX *ctx,
111                                       STACK_OF(CONF_VALUE) *nval)
112 {
113     STACK_OF(DIST_POINT) *crld = NULL;
114     GENERAL_NAMES *gens = NULL;
115     GENERAL_NAME *gen = NULL;
116     CONF_VALUE *cnf;
117     int i;
118     if (!(crld = sk_DIST_POINT_new_null()))
119         goto merr;
120     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
121         DIST_POINT *point;
122         cnf = sk_CONF_VALUE_value(nval, i);
123         if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
124             goto err;
125         if (!(gens = GENERAL_NAMES_new()))
126             goto merr;
127         if (!sk_GENERAL_NAME_push(gens, gen))
128             goto merr;
129         gen = NULL;
130         if (!(point = DIST_POINT_new()))
131             goto merr;
132         if (!sk_DIST_POINT_push(crld, point)) {
133             DIST_POINT_free(point);
134             goto merr;
135         }
136         if (!(point->distpoint = DIST_POINT_NAME_new()))
137             goto merr;
138         point->distpoint->name.fullname = gens;
139         point->distpoint->type = 0;
140         gens = NULL;
141     }
142     return crld;
143
144  merr:
145     X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
146  err:
147     GENERAL_NAME_free(gen);
148     GENERAL_NAMES_free(gens);
149     sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
150     return NULL;
151 }
152
153 IMPLEMENT_STACK_OF(DIST_POINT)
154
155 IMPLEMENT_ASN1_SET_OF(DIST_POINT)
156
157
158 ASN1_CHOICE(DIST_POINT_NAME) = {
159         ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
160         ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
161 } ASN1_CHOICE_END(DIST_POINT_NAME)
162
163 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
164
165 ASN1_SEQUENCE(DIST_POINT) = {
166         ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
167         ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
168         ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
169 } ASN1_SEQUENCE_END(DIST_POINT)
170
171 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
172
173 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
174         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
175 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
176
177 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)