Various changes to make this stuff compile under Win32 and VC++ with and
[openssl.git] / crypto / x509v3 / v3_bcons.c
1 /* v3_bcons.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
60 #include <stdio.h>
61 #include "cryptlib.h"
62 #include "asn1.h"
63 #include "asn1_mac.h"
64 #include "conf.h"
65 #include "x509v3.h"
66
67 #ifndef NOPROTO
68 static STACK *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK *extlist);
69 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *values);
70
71 #else
72
73 static STACK *i2v_BASIC_CONSTRAINTS();
74 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS();
75
76 #endif
77
78 X509V3_EXT_METHOD v3_bcons = {
79 NID_basic_constraints, 0,
80 (X509V3_EXT_NEW)BASIC_CONSTRAINTS_new,
81 BASIC_CONSTRAINTS_free,
82 (X509V3_EXT_D2I)d2i_BASIC_CONSTRAINTS,
83 i2d_BASIC_CONSTRAINTS,
84 NULL, NULL,
85 (X509V3_EXT_I2V)i2v_BASIC_CONSTRAINTS,
86 (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
87 NULL,
88 NULL
89 };
90
91
92 /*
93  * ASN1err(ASN1_F_BASIC_CONSTRAINTS_NEW,ERR_R_MALLOC_FAILURE);
94  * ASN1err(ASN1_F_D2I_BASIC_CONSTRAINTS,ERR_R_MALLOC_FAILURE);
95  */
96
97 int i2d_BASIC_CONSTRAINTS(a,pp)
98 BASIC_CONSTRAINTS *a;
99 unsigned char **pp;
100 {
101         M_ASN1_I2D_vars(a);
102         if(a->ca) M_ASN1_I2D_len (a->ca, i2d_ASN1_BOOLEAN);
103         M_ASN1_I2D_len (a->pathlen, i2d_ASN1_INTEGER);
104
105         M_ASN1_I2D_seq_total();
106
107         if (a->ca) M_ASN1_I2D_put (a->ca, i2d_ASN1_BOOLEAN);
108         M_ASN1_I2D_put (a->pathlen, i2d_ASN1_INTEGER);
109         M_ASN1_I2D_finish();
110 }
111
112 BASIC_CONSTRAINTS *BASIC_CONSTRAINTS_new()
113 {
114         BASIC_CONSTRAINTS *ret=NULL;
115         ASN1_CTX c;
116         M_ASN1_New_Malloc(ret, BASIC_CONSTRAINTS);
117         ret->ca = 0;
118         ret->pathlen = NULL;
119         return (ret);
120         M_ASN1_New_Error(ASN1_F_BASIC_CONSTRAINTS_NEW);
121 }
122
123 BASIC_CONSTRAINTS *d2i_BASIC_CONSTRAINTS(a,pp,length)
124 BASIC_CONSTRAINTS **a;
125 unsigned char **pp;
126 long length;
127 {
128         M_ASN1_D2I_vars(a,BASIC_CONSTRAINTS *,BASIC_CONSTRAINTS_new);
129         M_ASN1_D2I_Init();
130         M_ASN1_D2I_start_sequence();
131         if((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) ==
132                  (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN) ) {
133                         M_ASN1_D2I_get_int (ret->ca, d2i_ASN1_BOOLEAN);
134         }
135         M_ASN1_D2I_get_opt (ret->pathlen, d2i_ASN1_INTEGER, V_ASN1_INTEGER);
136         M_ASN1_D2I_Finish(a, BASIC_CONSTRAINTS_free, ASN1_F_D2I_BASIC_CONSTRAINTS);
137 }
138
139 void BASIC_CONSTRAINTS_free(a)
140 BASIC_CONSTRAINTS *a;
141 {
142         if (a == NULL) return;
143         ASN1_INTEGER_free (a->pathlen);
144         Free ((char *)a);
145 }
146
147 static STACK *i2v_BASIC_CONSTRAINTS(method, bcons, extlist)
148 X509V3_EXT_METHOD *method;
149 BASIC_CONSTRAINTS *bcons;
150 STACK *extlist;
151 {
152         X509V3_add_value_bool("CA", bcons->ca, &extlist);
153         X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
154         return extlist;
155 }
156
157 static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(method, ctx, values)
158 X509V3_EXT_METHOD *method;
159 X509V3_CTX *ctx;
160 STACK *values;
161 {
162         BASIC_CONSTRAINTS *bcons=NULL;
163         CONF_VALUE *val;
164         int i;
165         if(!(bcons = BASIC_CONSTRAINTS_new())) {
166                 X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
167                 return NULL;
168         }
169         for(i = 0; i < sk_num(values); i++) {
170                 val = (CONF_VALUE *)sk_value(values, i);
171                 if(!strcmp(val->name, "CA")) {
172                         if(!X509V3_get_value_bool(val, &bcons->ca)) goto err;
173                 } else if(!strcmp(val->name, "pathlen")) {
174                         if(!X509V3_get_value_int(val, &bcons->pathlen)) goto err;
175                 } else {
176                         X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
177                         X509V3_conf_err(val);
178                         goto err;
179                 }
180         }
181         return bcons;
182         err:
183         BASIC_CONSTRAINTS_free(bcons);
184         return NULL;
185 }
186