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).
58 /* X509 v3 extension utilities */
66 static STACK *ext_list = NULL;
68 static ext_cmp(X509V3_EXT_METHOD **a, X509V3_EXT_METHOD **b);
69 static void ext_list_free(X509V3_EXT_METHOD *ext);
71 int X509V3_EXT_add(ext)
72 X509V3_EXT_METHOD *ext;
74 if(!ext_list && !(ext_list = sk_new(ext_cmp))) {
75 X509V3err(X509V3_F_X509V3_ADD_EXT,ERR_R_MALLOC_FAILURE);
78 if(!sk_push(ext_list, (char *)ext)) {
79 X509V3err(X509V3_F_X509V3_ADD_EXT,ERR_R_MALLOC_FAILURE);
85 static int ext_cmp(a, b)
86 X509V3_EXT_METHOD **a, **b;
88 return ((*a)->ext_nid - (*b)->ext_nid);
91 X509V3_EXT_METHOD *X509V3_EXT_get_nid(nid)
94 X509V3_EXT_METHOD tmp;
97 if(!ext_list || (tmp.ext_nid < 0) ) return NULL;
98 idx = sk_find(ext_list, (char *)&tmp);
99 if(idx == -1) return NULL;
100 return (X509V3_EXT_METHOD *)sk_value(ext_list, idx);
103 X509V3_EXT_METHOD *X509V3_EXT_get(ext)
107 if((nid = OBJ_obj2nid(ext->object)) == NID_undef) return NULL;
108 return X509V3_EXT_get_nid(nid);
112 int X509V3_EXT_add_list(extlist)
113 X509V3_EXT_METHOD *extlist;
115 for(;extlist->ext_nid!=-1;extlist++)
116 if(!X509V3_EXT_add(extlist)) return 0;
120 int X509V3_EXT_add_alias(nid_to, nid_from)
121 int nid_to, nid_from;
123 X509V3_EXT_METHOD *ext, *tmpext;
124 if(!(ext = X509V3_EXT_get_nid(nid_from))) {
125 X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,X509V3_R_EXTENSION_NOT_FOUND);
128 if(!(tmpext = (X509V3_EXT_METHOD *)Malloc(sizeof(X509V3_EXT_METHOD)))) {
129 X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,ERR_R_MALLOC_FAILURE);
133 tmpext->ext_nid = nid_to;
134 tmpext->ext_flags |= X509V3_EXT_DYNAMIC;
138 void X509V3_EXT_cleanup()
140 sk_pop_free(ext_list, ext_list_free);
143 static void ext_list_free(ext)
144 X509V3_EXT_METHOD *ext;
146 if(ext->ext_flags & X509V3_EXT_DYNAMIC) Free(ext);
149 extern X509V3_EXT_METHOD v3_bcons, v3_nscert, v3_key_usage, v3_ext_ku;
150 extern X509V3_EXT_METHOD v3_ns_ia5_list[], v3_alt[], v3_skey_id, v3_akey_id;
152 int X509V3_add_standard_extensions()
154 X509V3_EXT_add_list(v3_ns_ia5_list);
155 X509V3_EXT_add_list(v3_alt);
156 X509V3_EXT_add(&v3_bcons);
157 X509V3_EXT_add(&v3_nscert);
158 X509V3_EXT_add(&v3_key_usage);
159 X509V3_EXT_add(&v3_ext_ku);
160 X509V3_EXT_add(&v3_skey_id);
161 X509V3_EXT_add(&v3_akey_id);