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ce1b4fe1 DSH |
1 | /* a_x509a.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/evp.h> | |
62 | #include <openssl/asn1_mac.h> | |
63 | #include <openssl/x509.h> | |
64 | ||
65 | /* X509_CERT_AUX routines. These are used to encode additional | |
66 | * user modifiable data about a certificate. This data is | |
67 | * appended to the X509 encoding when the *_X509_AUX routines | |
68 | * are used. This means that the "traditional" X509 routines | |
69 | * will simply ignore the extra data. | |
70 | */ | |
71 | ||
72 | static X509_CERT_AUX *aux_get(X509 *x); | |
73 | ||
74 | X509_CERT_AUX *d2i_X509_CERT_AUX(X509_CERT_AUX **a, unsigned char **pp, long length) | |
75 | { | |
76 | M_ASN1_D2I_vars(a, X509_CERT_AUX *, X509_CERT_AUX_new); | |
77 | ||
78 | M_ASN1_D2I_Init(); | |
79 | M_ASN1_D2I_start_sequence(); | |
80 | ||
81 | M_ASN1_D2I_get_opt(ret->trust, d2i_ASN1_BIT_STRING, | |
82 | V_ASN1_BIT_STRING); | |
83 | M_ASN1_D2I_get_IMP_opt(ret->notrust, d2i_ASN1_BIT_STRING,0, | |
84 | V_ASN1_BIT_STRING); | |
85 | ||
86 | M_ASN1_D2I_get_seq_opt_type(ASN1_OBJECT, ret->othertrust, | |
87 | d2i_ASN1_OBJECT, ASN1_OBJECT_free); | |
88 | M_ASN1_D2I_get_IMP_set_opt_type(ASN1_OBJECT, ret->othernotrust, | |
89 | d2i_ASN1_OBJECT, ASN1_OBJECT_free, 1); | |
90 | M_ASN1_D2I_get_opt(ret->alias, d2i_ASN1_UTF8STRING, V_ASN1_UTF8STRING); | |
91 | M_ASN1_D2I_get_opt(ret->other, d2i_ASN1_TYPE, V_ASN1_SEQUENCE); | |
92 | ||
93 | M_ASN1_D2I_Finish(a, X509_CERT_AUX_free, ASN1_F_D2I_X509_CERT_AUX); | |
94 | } | |
95 | ||
96 | X509_CERT_AUX *X509_CERT_AUX_new() | |
97 | { | |
98 | X509_CERT_AUX *ret = NULL; | |
99 | ASN1_CTX c; | |
100 | M_ASN1_New_Malloc(ret, X509_CERT_AUX); | |
101 | ret->trust = NULL; | |
102 | ret->notrust = NULL; | |
103 | ret->othertrust = NULL; | |
104 | ret->othernotrust = NULL; | |
105 | ret->alias = NULL; | |
106 | ret->other = NULL; | |
107 | return(ret); | |
108 | M_ASN1_New_Error(ASN1_F_X509_CERT_AUX_NEW); | |
109 | } | |
110 | ||
111 | void X509_CERT_AUX_free(X509_CERT_AUX *a) | |
112 | { | |
113 | if(a == NULL) return; | |
114 | ASN1_BIT_STRING_free(a->trust); | |
115 | ASN1_BIT_STRING_free(a->notrust); | |
116 | sk_ASN1_OBJECT_pop_free(a->othertrust, ASN1_OBJECT_free); | |
117 | sk_ASN1_OBJECT_pop_free(a->othernotrust, ASN1_OBJECT_free); | |
118 | ASN1_UTF8STRING_free(a->alias); | |
119 | ASN1_TYPE_free(a->other); | |
120 | } | |
121 | ||
122 | int i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **pp) | |
123 | { | |
124 | M_ASN1_I2D_vars(a); | |
125 | ||
126 | M_ASN1_I2D_len(a->trust, i2d_ASN1_BIT_STRING); | |
127 | M_ASN1_I2D_len_IMP_opt(a->notrust, i2d_ASN1_BIT_STRING); | |
128 | ||
129 | M_ASN1_I2D_len_SEQUENCE_opt_type(ASN1_OBJECT, a->othertrust, i2d_ASN1_OBJECT); | |
130 | M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->othernotrust, i2d_ASN1_OBJECT, 1); | |
131 | ||
132 | M_ASN1_I2D_len(a->alias, i2d_ASN1_UTF8STRING); | |
133 | M_ASN1_I2D_len(a->other, i2d_ASN1_TYPE); | |
134 | ||
135 | M_ASN1_I2D_seq_total(); | |
136 | ||
137 | M_ASN1_I2D_put(a->trust, i2d_ASN1_BIT_STRING); | |
138 | M_ASN1_I2D_put_IMP_opt(a->notrust, i2d_ASN1_BIT_STRING, 0); | |
139 | ||
140 | M_ASN1_I2D_put_SEQUENCE_opt_type(ASN1_OBJECT, a->othertrust, i2d_ASN1_OBJECT); | |
141 | M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->othernotrust, i2d_ASN1_OBJECT, 1); | |
142 | ||
143 | M_ASN1_I2D_put(a->alias, i2d_ASN1_UTF8STRING); | |
144 | M_ASN1_I2D_put(a->other, i2d_ASN1_TYPE); | |
145 | ||
146 | M_ASN1_I2D_finish(); | |
147 | } | |
148 | ||
149 | static X509_CERT_AUX *aux_get(X509 *x) | |
150 | { | |
151 | if(!x) return NULL; | |
152 | if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL; | |
153 | return x->aux; | |
154 | } | |
155 | ||
156 | int X509_alias_set(X509 *x, unsigned char *name, int len) | |
157 | { | |
158 | X509_CERT_AUX *aux; | |
159 | if(!(aux = aux_get(x))) return 0; | |
160 | if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0; | |
161 | return ASN1_STRING_set(aux->alias, name, len); | |
162 | } | |
163 | ||
164 | unsigned char *X509_alias_get(X509 *x, int *len) | |
165 | { | |
166 | if(!x->aux || !x->aux->alias) return NULL; | |
167 | if(len) *len = x->aux->alias->length; | |
168 | return x->aux->alias->data; | |
169 | } | |
170 | ||
171 | int X509_trust_set_bit(X509 *x, int bit, int value) | |
172 | { | |
173 | X509_CERT_AUX *aux; | |
174 | if(bit == -1) { | |
175 | if(x->aux && x->aux->trust) { | |
176 | ASN1_BIT_STRING_free(x->aux->trust); | |
177 | x->aux->trust = NULL; | |
178 | } | |
179 | return 1; | |
180 | } | |
181 | if(!(aux = aux_get(x))) return 0; | |
182 | if(!aux->trust && !(aux->trust = ASN1_BIT_STRING_new())) return 0; | |
183 | return ASN1_BIT_STRING_set_bit(aux->trust, bit, value); | |
184 | } | |
185 | ||
186 | int X509_notrust_set_bit(X509 *x, int bit, int value) | |
187 | { | |
188 | X509_CERT_AUX *aux; | |
189 | if(bit == -1) { | |
190 | if(x->aux && x->aux->notrust) { | |
191 | ASN1_BIT_STRING_free(x->aux->notrust); | |
192 | x->aux->notrust = NULL; | |
193 | } | |
194 | return 1; | |
195 | } | |
196 | if(!(aux = aux_get(x))) return 0; | |
197 | if(!aux->notrust && !(aux->notrust = ASN1_BIT_STRING_new())) return 0; | |
198 | return ASN1_BIT_STRING_set_bit(aux->notrust, bit, value); | |
199 | } | |
200 | ||
201 | int X509_add_trust_object(X509 *x, ASN1_OBJECT *obj) | |
202 | { | |
203 | X509_CERT_AUX *aux; | |
204 | if(!(aux = aux_get(x))) return 0; | |
205 | if(!aux->othertrust | |
206 | && !(aux->othertrust = sk_ASN1_OBJECT_new_null())) return 0; | |
207 | return sk_ASN1_OBJECT_push(aux->othertrust, obj); | |
208 | } | |
209 | ||
210 | int X509_add_notrust_object(X509 *x, ASN1_OBJECT *obj) | |
211 | { | |
212 | X509_CERT_AUX *aux; | |
213 | if(!(aux = aux_get(x))) return 0; | |
214 | if(!aux->othernotrust | |
215 | && !(aux->othernotrust = sk_ASN1_OBJECT_new_null())) return 0; | |
216 | return sk_ASN1_OBJECT_push(aux->othernotrust, obj); | |
217 | } | |
218 |