2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
62 #include <openssl/asn1.h>
63 #include <openssl/asn1_mac.h>
64 #include <openssl/conf.h>
65 #include <openssl/x509v3.h>
67 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist);
68 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
70 X509V3_EXT_METHOD v3_bcons = {
71 NID_basic_constraints, 0,
72 (X509V3_EXT_NEW)BASIC_CONSTRAINTS_new,
73 (X509V3_EXT_FREE)BASIC_CONSTRAINTS_free,
74 (X509V3_EXT_D2I)d2i_BASIC_CONSTRAINTS,
75 (X509V3_EXT_I2D)i2d_BASIC_CONSTRAINTS,
77 (X509V3_EXT_I2V)i2v_BASIC_CONSTRAINTS,
78 (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
84 int i2d_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS *a, unsigned char **pp)
87 if(a->ca) M_ASN1_I2D_len (a->ca, i2d_ASN1_BOOLEAN);
88 M_ASN1_I2D_len (a->pathlen, i2d_ASN1_INTEGER);
90 M_ASN1_I2D_seq_total();
92 if (a->ca) M_ASN1_I2D_put (a->ca, i2d_ASN1_BOOLEAN);
93 M_ASN1_I2D_put (a->pathlen, i2d_ASN1_INTEGER);
97 BASIC_CONSTRAINTS *BASIC_CONSTRAINTS_new(void)
99 BASIC_CONSTRAINTS *ret=NULL;
101 M_ASN1_New_Malloc(ret, BASIC_CONSTRAINTS);
105 M_ASN1_New_Error(ASN1_F_BASIC_CONSTRAINTS_NEW);
108 BASIC_CONSTRAINTS *d2i_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS **a,
109 unsigned char **pp, long length)
111 M_ASN1_D2I_vars(a,BASIC_CONSTRAINTS *,BASIC_CONSTRAINTS_new);
113 M_ASN1_D2I_start_sequence();
114 if((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) ==
115 (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN) ) {
116 M_ASN1_D2I_get_int (ret->ca, d2i_ASN1_BOOLEAN);
118 M_ASN1_D2I_get_opt (ret->pathlen, d2i_ASN1_INTEGER, V_ASN1_INTEGER);
119 M_ASN1_D2I_Finish(a, BASIC_CONSTRAINTS_free, ASN1_F_D2I_BASIC_CONSTRAINTS);
122 void BASIC_CONSTRAINTS_free(BASIC_CONSTRAINTS *a)
124 if (a == NULL) return;
125 M_ASN1_INTEGER_free (a->pathlen);
129 static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
130 BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist)
132 X509V3_add_value_bool("CA", bcons->ca, &extlist);
133 X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
137 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
138 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
140 BASIC_CONSTRAINTS *bcons=NULL;
143 if(!(bcons = BASIC_CONSTRAINTS_new())) {
144 X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
147 for(i = 0; i < sk_CONF_VALUE_num(values); i++) {
148 val = sk_CONF_VALUE_value(values, i);
149 if(!strcmp(val->name, "CA")) {
150 if(!X509V3_get_value_bool(val, &bcons->ca)) goto err;
151 } else if(!strcmp(val->name, "pathlen")) {
152 if(!X509V3_get_value_int(val, &bcons->pathlen)) goto err;
154 X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
155 X509V3_conf_err(val);
161 BASIC_CONSTRAINTS_free(bcons);