Implement STACK_OF(ANS1_OBJECT) for extended key usage extension, change the
[openssl.git] / crypto / x509v3 / v3_extku.c
1 /* v3_extku.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 <openssl/asn1.h>
63 #include <openssl/conf.h>
64 #include <openssl/x509v3.h>
65
66 static STACK_OF(ASN1_OBJECT) *v2i_ext_ku(X509V3_EXT_METHOD *method,
67                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
68 static STACK_OF(CONF_VALUE) *i2v_ext_ku(X509V3_EXT_METHOD *method,
69                 STACK_OF(ASN1_OBJECT) *eku, STACK_OF(CONF_VALUE) *extlist);
70 X509V3_EXT_METHOD v3_ext_ku = {
71 NID_ext_key_usage, 0,
72 (X509V3_EXT_NEW)ext_ku_new,
73 (X509V3_EXT_FREE)ext_ku_free,
74 (X509V3_EXT_D2I)d2i_ext_ku,
75 (X509V3_EXT_I2D)i2d_ext_ku,
76 NULL, NULL,
77 (X509V3_EXT_I2V)i2v_ext_ku,
78 (X509V3_EXT_V2I)v2i_ext_ku,
79 NULL,NULL,
80 NULL
81 };
82
83 STACK_OF(ASN1_OBJECT) *ext_ku_new(void)
84 {
85         return sk_ASN1_OBJECT_new_null();
86 }
87
88 void ext_ku_free(STACK_OF(ASN1_OBJECT) *eku)
89 {
90         sk_ASN1_OBJECT_pop_free(eku, ASN1_OBJECT_free);
91         return;
92 }
93
94 int i2d_ext_ku(STACK_OF(ASN1_OBJECT) *a, unsigned char **pp)
95 {
96         return i2d_ASN1_SET_OF_ASN1_OBJECT(a, pp, i2d_ASN1_OBJECT,
97                                 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
98 }
99
100 STACK_OF(ASN1_OBJECT) *d2i_ext_ku(STACK_OF(ASN1_OBJECT) **a,
101                                         unsigned char **pp, long length)
102 {
103         return d2i_ASN1_SET_OF_ASN1_OBJECT(a, pp, length, d2i_ASN1_OBJECT,
104                          ASN1_OBJECT_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
105 }
106
107
108
109 static STACK_OF(CONF_VALUE) *i2v_ext_ku(X509V3_EXT_METHOD *method,
110                 STACK_OF(ASN1_OBJECT) *eku, STACK_OF(CONF_VALUE) *ext_list)
111 {
112 int i;
113 ASN1_OBJECT *obj;
114 char obj_tmp[80];
115 for(i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
116         obj = sk_ASN1_OBJECT_value(eku, i);
117         i2t_ASN1_OBJECT(obj_tmp, 80, obj);
118         X509V3_add_value(NULL, obj_tmp, &ext_list);
119 }
120 return ext_list;
121 }
122
123 static STACK_OF(ASN1_OBJECT) *v2i_ext_ku(X509V3_EXT_METHOD *method,
124                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
125 {
126 STACK_OF(ASN1_OBJECT) *extku;
127 char *extval;
128 ASN1_OBJECT *objtmp;
129 CONF_VALUE *val;
130 int i;
131
132 if(!(extku = sk_ASN1_OBJECT_new(NULL))) {
133         X509V3err(X509V3_F_V2I_EXT_KU,ERR_R_MALLOC_FAILURE);
134         return NULL;
135 }
136
137 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
138         val = sk_CONF_VALUE_value(nval, i);
139         if(val->value) extval = val->value;
140         else extval = val->name;
141         if(!(objtmp = OBJ_txt2obj(extval, 0))) {
142                 sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
143                 X509V3err(X509V3_F_V2I_EXT_KU,X509V3_R_INVALID_OBJECT_IDENTIFIER);
144                 X509V3_conf_err(val);
145                 return NULL;
146         }
147         sk_ASN1_OBJECT_push(extku, objtmp);
148 }
149 return extku;
150 }