1 /* crypto/ts/ts_verify_ctx.c */
2 /* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
3 * project 2003.
4 */
5 /* ====================================================================
6 * Copyright (c) 2006 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 "cryptlib.h"
60 #include <openssl/objects.h>
61 #include <openssl/ts.h>
62
63 TS_VERIFY_CTX *TS_VERIFY_CTX_new(void)
64 {
65 TS_VERIFY_CTX *ctx =
66 (TS_VERIFY_CTX *) OPENSSL_malloc(sizeof(TS_VERIFY_CTX));
67 if (ctx)
68 memset(ctx, 0, sizeof(TS_VERIFY_CTX));
69 else
70 TSerr(TS_F_TS_VERIFY_CTX_NEW, ERR_R_MALLOC_FAILURE);
71 return ctx;
72 }
73
74 void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx)
75 {
76 OPENSSL_assert(ctx != NULL);
77 memset(ctx, 0, sizeof(TS_VERIFY_CTX));
78 }
79
80 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx)
81 {
82 if (!ctx) return;
83
84 TS_VERIFY_CTX_cleanup(ctx);
85 OPENSSL_free(ctx);
86 }
87
88 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx)
89 {
90 if (!ctx) return;
91
92 X509_STORE_free(ctx->store);
93 sk_X509_pop_free(ctx->certs, X509_free);
94
95 ASN1_OBJECT_free(ctx->policy);
96
97 X509_ALGOR_free(ctx->md_alg);
98 OPENSSL_free(ctx->imprint);
99
100 BIO_free_all(ctx->data);
101
102 ASN1_INTEGER_free(ctx->nonce);
103
104 GENERAL_NAME_free(ctx->tsa_name);
105
106 TS_VERIFY_CTX_init(ctx);
107 }
108
109 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx)
110 {
111 TS_VERIFY_CTX *ret = ctx;
112 ASN1_OBJECT *policy;
113 TS_MSG_IMPRINT *imprint;
114 X509_ALGOR *md_alg;
115 ASN1_OCTET_STRING *msg;
116 const ASN1_INTEGER *nonce;
117
118 OPENSSL_assert(req != NULL);
119 if (ret)
120 TS_VERIFY_CTX_cleanup(ret);
121 else
122 if (!(ret = TS_VERIFY_CTX_new())) return NULL;
123
124 /* Setting flags. */
125 ret->flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE);
126
127 /* Setting policy. */
128 if ((policy = TS_REQ_get_policy_id(req)) != NULL)
129 {
130 if (!(ret->policy = OBJ_dup(policy))) goto err;
131 }
132 else
133 ret->flags &= ~TS_VFY_POLICY;
134
135 /* Setting md_alg, imprint and imprint_len. */
136 imprint = TS_REQ_get_msg_imprint(req);
137 md_alg = TS_MSG_IMPRINT_get_algo(imprint);
138 if (!(ret->md_alg = X509_ALGOR_dup(md_alg))) goto err;
139 msg = TS_MSG_IMPRINT_get_msg(imprint);
140 ret->imprint_len = ASN1_STRING_length(msg);
141 if (!(ret->imprint = OPENSSL_malloc(ret->imprint_len))) goto err;
142 memcpy(ret->imprint, ASN1_STRING_data(msg), ret->imprint_len);
143
144 /* Setting nonce. */
145 if ((nonce = TS_REQ_get_nonce(req)) != NULL)
146 {
147 if (!(ret->nonce = ASN1_INTEGER_dup(nonce))) goto err;
148 }
149 else
150 ret->flags &= ~TS_VFY_NONCE;
151
152 return ret;
153 err:
154 if (ctx)
155 TS_VERIFY_CTX_cleanup(ctx);
156 else
157 TS_VERIFY_CTX_free(ret);
158 return NULL;
159 }