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9aeaf1b4 DSH |
1 | /* v3_lib.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 | /* X509 v3 extension utilities */ | |
59 | ||
e527ba09 DSH |
60 | #include <stdio.h> |
61 | #include "cryptlib.h" | |
62 | #include "conf.h" | |
9aeaf1b4 DSH |
63 | #include "x509v3.h" |
64 | ||
65 | static STACK *ext_list = NULL; | |
66 | ||
9985bed3 | 67 | static int ext_cmp(X509V3_EXT_METHOD **a, X509V3_EXT_METHOD **b); |
9aeaf1b4 DSH |
68 | static void ext_list_free(X509V3_EXT_METHOD *ext); |
69 | ||
6b691a5c | 70 | int X509V3_EXT_add(X509V3_EXT_METHOD *ext) |
9aeaf1b4 DSH |
71 | { |
72 | if(!ext_list && !(ext_list = sk_new(ext_cmp))) { | |
28a98809 | 73 | X509V3err(X509V3_F_X509V3_EXT_ADD,ERR_R_MALLOC_FAILURE); |
9aeaf1b4 DSH |
74 | return 0; |
75 | } | |
76 | if(!sk_push(ext_list, (char *)ext)) { | |
28a98809 | 77 | X509V3err(X509V3_F_X509V3_EXT_ADD,ERR_R_MALLOC_FAILURE); |
9aeaf1b4 DSH |
78 | return 0; |
79 | } | |
80 | return 1; | |
81 | } | |
82 | ||
6b691a5c | 83 | static int ext_cmp(X509V3_EXT_METHOD **a, X509V3_EXT_METHOD **b) |
9aeaf1b4 DSH |
84 | { |
85 | return ((*a)->ext_nid - (*b)->ext_nid); | |
86 | } | |
87 | ||
6b691a5c | 88 | X509V3_EXT_METHOD *X509V3_EXT_get_nid(int nid) |
9aeaf1b4 DSH |
89 | { |
90 | X509V3_EXT_METHOD tmp; | |
91 | int idx; | |
92 | tmp.ext_nid = nid; | |
93 | if(!ext_list || (tmp.ext_nid < 0) ) return NULL; | |
94 | idx = sk_find(ext_list, (char *)&tmp); | |
95 | if(idx == -1) return NULL; | |
96 | return (X509V3_EXT_METHOD *)sk_value(ext_list, idx); | |
97 | } | |
98 | ||
6b691a5c | 99 | X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext) |
9aeaf1b4 DSH |
100 | { |
101 | int nid; | |
102 | if((nid = OBJ_obj2nid(ext->object)) == NID_undef) return NULL; | |
103 | return X509V3_EXT_get_nid(nid); | |
104 | } | |
105 | ||
9aeaf1b4 | 106 | |
6b691a5c | 107 | int X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist) |
9aeaf1b4 DSH |
108 | { |
109 | for(;extlist->ext_nid!=-1;extlist++) | |
110 | if(!X509V3_EXT_add(extlist)) return 0; | |
111 | return 1; | |
112 | } | |
113 | ||
6b691a5c | 114 | int X509V3_EXT_add_alias(int nid_to, int nid_from) |
9aeaf1b4 DSH |
115 | { |
116 | X509V3_EXT_METHOD *ext, *tmpext; | |
117 | if(!(ext = X509V3_EXT_get_nid(nid_from))) { | |
118 | X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,X509V3_R_EXTENSION_NOT_FOUND); | |
119 | return 0; | |
120 | } | |
121 | if(!(tmpext = (X509V3_EXT_METHOD *)Malloc(sizeof(X509V3_EXT_METHOD)))) { | |
122 | X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,ERR_R_MALLOC_FAILURE); | |
123 | return 0; | |
124 | } | |
125 | *tmpext = *ext; | |
126 | tmpext->ext_nid = nid_to; | |
175b0942 | 127 | tmpext->ext_flags |= X509V3_EXT_DYNAMIC; |
9aeaf1b4 DSH |
128 | return 1; |
129 | } | |
130 | ||
6b691a5c | 131 | void X509V3_EXT_cleanup(void) |
9aeaf1b4 DSH |
132 | { |
133 | sk_pop_free(ext_list, ext_list_free); | |
134 | } | |
135 | ||
6b691a5c | 136 | static void ext_list_free(X509V3_EXT_METHOD *ext) |
9aeaf1b4 DSH |
137 | { |
138 | if(ext->ext_flags & X509V3_EXT_DYNAMIC) Free(ext); | |
139 | } | |
140 | ||
175b0942 | 141 | extern X509V3_EXT_METHOD v3_bcons, v3_nscert, v3_key_usage, v3_ext_ku; |
785cdf20 | 142 | extern X509V3_EXT_METHOD v3_pkey_usage_period, v3_sxnet; |
175b0942 DSH |
143 | extern X509V3_EXT_METHOD v3_ns_ia5_list[], v3_alt[], v3_skey_id, v3_akey_id; |
144 | ||
41b731f2 | 145 | extern X509V3_EXT_METHOD v3_crl_num, v3_crl_reason, v3_cpols; |
0ca5f8b1 | 146 | |
6b691a5c | 147 | int X509V3_add_standard_extensions(void) |
9aeaf1b4 DSH |
148 | { |
149 | X509V3_EXT_add_list(v3_ns_ia5_list); | |
142fcca8 | 150 | X509V3_EXT_add_list(v3_alt); |
9aeaf1b4 DSH |
151 | X509V3_EXT_add(&v3_bcons); |
152 | X509V3_EXT_add(&v3_nscert); | |
153 | X509V3_EXT_add(&v3_key_usage); | |
154 | X509V3_EXT_add(&v3_ext_ku); | |
175b0942 DSH |
155 | X509V3_EXT_add(&v3_skey_id); |
156 | X509V3_EXT_add(&v3_akey_id); | |
0be9747b | 157 | X509V3_EXT_add(&v3_pkey_usage_period); |
0ca5f8b1 | 158 | X509V3_EXT_add(&v3_crl_num); |
785cdf20 | 159 | X509V3_EXT_add(&v3_sxnet); |
c74f1eb9 | 160 | X509V3_EXT_add(&v3_crl_reason); |
41b731f2 | 161 | X509V3_EXT_add(&v3_cpols); |
9aeaf1b4 DSH |
162 | return 1; |
163 | } | |
0be9747b DSH |
164 | |
165 | /* Return an extension internal structure */ | |
166 | ||
6b691a5c | 167 | char *X509V3_EXT_d2i(X509_EXTENSION *ext) |
0be9747b DSH |
168 | { |
169 | X509V3_EXT_METHOD *method; | |
170 | unsigned char *p; | |
171 | if(!(method = X509V3_EXT_get(ext)) || !method->d2i) return NULL; | |
172 | p = ext->value->data; | |
173 | return method->d2i(NULL, &p, ext->value->length); | |
174 | } | |
175 |