]>
Commit | Line | Data |
---|---|---|
21f77552 DSH |
1 | /* x509_trs.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 | #include <stdio.h> | |
60 | #include "cryptlib.h" | |
61 | #include <openssl/x509v3.h> | |
62 | ||
63 | ||
64 | static int tr_cmp(X509_TRUST **a, X509_TRUST **b); | |
65 | static void trtable_free(X509_TRUST *p); | |
66 | ||
67 | static int trust_1bit(X509_TRUST *trust, X509 *x, int flags); | |
68 | static int trust_any(X509_TRUST *trust, X509 *x, int flags); | |
69 | ||
70 | static X509_TRUST trstandard[] = { | |
71 | {X509_TRUST_ANY, 0, trust_any, "Any", 0, NULL}, | |
72 | {X509_TRUST_SSL_CLIENT, 0, trust_1bit, "SSL Client", X509_TRUST_BIT_SSL_CLIENT, NULL}, | |
73 | {X509_TRUST_SSL_SERVER, 0, trust_1bit, "SSL Client", X509_TRUST_BIT_SSL_SERVER, NULL}, | |
74 | {X509_TRUST_EMAIL, 0, trust_1bit, "S/MIME email", X509_TRUST_BIT_EMAIL, NULL}, | |
75 | {X509_TRUST_OBJECT_SIGN, 0, trust_1bit, "Object Signing", X509_TRUST_BIT_OBJECT_SIGN, NULL}, | |
76 | {0, 0, NULL, NULL, 0, NULL} | |
77 | }; | |
78 | ||
79 | IMPLEMENT_STACK_OF(X509_TRUST) | |
80 | ||
81 | static STACK_OF(X509_TRUST) *trtable = NULL; | |
82 | ||
83 | static int tr_cmp(X509_TRUST **a, X509_TRUST **b) | |
84 | { | |
85 | return (*a)->trust_id - (*b)->trust_id; | |
86 | } | |
87 | ||
88 | int X509_check_trust(X509 *x, int id, int flags) | |
89 | { | |
90 | int idx; | |
91 | X509_TRUST *pt; | |
92 | if(id == -1) return 1; | |
93 | idx = X509_TRUST_get_by_id(id); | |
94 | if(idx == -1) return -1; | |
95 | pt = sk_X509_TRUST_value(trtable, idx); | |
96 | return pt->check_trust(pt, x, flags); | |
97 | } | |
98 | ||
99 | int X509_TRUST_get_count(void) | |
100 | { | |
101 | return sk_X509_TRUST_num(trtable); | |
102 | } | |
103 | ||
104 | X509_TRUST * X509_TRUST_iget(int idx) | |
105 | { | |
106 | return sk_X509_TRUST_value(trtable, idx); | |
107 | } | |
108 | ||
109 | int X509_TRUST_get_by_id(int id) | |
110 | { | |
111 | X509_TRUST tmp; | |
112 | tmp.trust_id = id; | |
113 | if(!trtable) return -1; | |
114 | return sk_X509_TRUST_find(trtable, &tmp); | |
115 | } | |
116 | ||
117 | int X509_TRUST_add(X509_TRUST *xp) | |
118 | { | |
119 | int idx; | |
120 | if(!trtable) | |
121 | { | |
122 | trtable = sk_X509_TRUST_new(tr_cmp); | |
123 | if (!trtable) | |
124 | { | |
125 | X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); | |
126 | return 0; | |
127 | } | |
128 | } | |
129 | ||
130 | idx = X509_TRUST_get_by_id(xp->trust_id); | |
131 | if(idx != -1) { | |
132 | trtable_free(sk_X509_TRUST_value(trtable, idx)); | |
133 | sk_X509_TRUST_set(trtable, idx, xp); | |
134 | } else { | |
135 | if (!sk_X509_TRUST_push(trtable, xp)) { | |
136 | X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); | |
137 | return 0; | |
138 | } | |
139 | } | |
140 | return 1; | |
141 | } | |
142 | ||
143 | static void trtable_free(X509_TRUST *p) | |
144 | { | |
145 | if(!p) return; | |
146 | if (p->trust_flags & X509_TRUST_DYNAMIC) | |
147 | { | |
148 | if (p->trust_flags & X509_TRUST_DYNAMIC_NAME) | |
149 | Free(p->trust_name); | |
150 | Free(p); | |
151 | } | |
152 | } | |
153 | ||
154 | void X509_TRUST_cleanup(void) | |
155 | { | |
156 | sk_X509_TRUST_pop_free(trtable, trtable_free); | |
157 | trtable = NULL; | |
158 | } | |
159 | ||
160 | void X509_TRUST_add_standard(void) | |
161 | { | |
162 | X509_TRUST *xp; | |
163 | for(xp = trstandard; xp->trust_name; xp++) | |
164 | X509_TRUST_add(xp); | |
165 | } | |
166 | ||
167 | int X509_TRUST_get_id(X509_TRUST *xp) | |
168 | { | |
169 | return xp->trust_id; | |
170 | } | |
171 | ||
172 | char *X509_TRUST_iget_name(X509_TRUST *xp) | |
173 | { | |
174 | return xp->trust_name; | |
175 | } | |
176 | ||
177 | int X509_TRUST_get_trust(X509_TRUST *xp) | |
178 | { | |
179 | return xp->trust_id; | |
180 | } | |
181 | ||
182 | static int trust_1bit(X509_TRUST *trust, X509 *x, int flags) | |
183 | { | |
184 | X509_CERT_AUX *ax; | |
185 | ax = x->aux; | |
186 | if(ax) { | |
187 | if(ax->reject | |
188 | && ( ASN1_BIT_STRING_get_bit(ax->reject, X509_TRUST_BIT_ALL) | |
189 | || ASN1_BIT_STRING_get_bit(ax->reject, trust->arg1))) | |
190 | return X509_TRUST_REJECTED; | |
191 | if(ax->trust && (ASN1_BIT_STRING_get_bit(ax->trust, X509_TRUST_BIT_ALL) | |
192 | || ASN1_BIT_STRING_get_bit(ax->trust, trust->arg1))) | |
193 | return X509_TRUST_TRUSTED; | |
194 | return X509_TRUST_UNTRUSTED; | |
195 | } | |
196 | /* we don't have any trust settings: for compatability | |
197 | * we return trusted if it is self signed | |
198 | */ | |
199 | X509_check_purpose(x, -1, 0); | |
200 | if(x->ex_flags & EXFLAG_SS) return X509_TRUST_TRUSTED; | |
201 | else return X509_TRUST_UNTRUSTED; | |
202 | } | |
203 | ||
204 | static int trust_any(X509_TRUST *trust, X509 *x, int flags) | |
205 | { | |
206 | return X509_TRUST_TRUSTED; | |
207 | } |