1 /* crypto/ts/ts_verify_ctx.c */
2 /*
3 * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
4 * 2003.
5 */
6 /* ====================================================================
7 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 * acknowledgment:
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60 #include "cryptlib.h"
61 #include <openssl/objects.h>
62 #include <openssl/ts.h>
63
TS_VERIFY_CTX_new(void)64 TS_VERIFY_CTX *TS_VERIFY_CTX_new(void)
65 {
66 TS_VERIFY_CTX *ctx =
67 (TS_VERIFY_CTX *)OPENSSL_malloc(sizeof(TS_VERIFY_CTX));
68 if (ctx)
69 memset(ctx, 0, sizeof(TS_VERIFY_CTX));
70 else
71 TSerr(TS_F_TS_VERIFY_CTX_NEW, ERR_R_MALLOC_FAILURE);
72 return ctx;
73 }
74
TS_VERIFY_CTX_init(TS_VERIFY_CTX * ctx)75 void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx)
76 {
77 OPENSSL_assert(ctx != NULL);
78 memset(ctx, 0, sizeof(TS_VERIFY_CTX));
79 }
80
TS_VERIFY_CTX_free(TS_VERIFY_CTX * ctx)81 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx)
82 {
83 if (!ctx)
84 return;
85
86 TS_VERIFY_CTX_cleanup(ctx);
87 OPENSSL_free(ctx);
88 }
89
TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX * ctx)90 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx)
91 {
92 if (!ctx)
93 return;
94
95 X509_STORE_free(ctx->store);
96 sk_X509_pop_free(ctx->certs, X509_free);
97
98 ASN1_OBJECT_free(ctx->policy);
99
100 X509_ALGOR_free(ctx->md_alg);
101 OPENSSL_free(ctx->imprint);
102
103 BIO_free_all(ctx->data);
104
105 ASN1_INTEGER_free(ctx->nonce);
106
107 GENERAL_NAME_free(ctx->tsa_name);
108
109 TS_VERIFY_CTX_init(ctx);
110 }
111
TS_REQ_to_TS_VERIFY_CTX(TS_REQ * req,TS_VERIFY_CTX * ctx)112 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx)
113 {
114 TS_VERIFY_CTX *ret = ctx;
115 ASN1_OBJECT *policy;
116 TS_MSG_IMPRINT *imprint;
117 X509_ALGOR *md_alg;
118 ASN1_OCTET_STRING *msg;
119 const ASN1_INTEGER *nonce;
120
121 OPENSSL_assert(req != NULL);
122 if (ret)
123 TS_VERIFY_CTX_cleanup(ret);
124 else if (!(ret = TS_VERIFY_CTX_new()))
125 return NULL;
126
127 /* Setting flags. */
128 ret->flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE);
129
130 /* Setting policy. */
131 if ((policy = TS_REQ_get_policy_id(req)) != NULL) {
132 if (!(ret->policy = OBJ_dup(policy)))
133 goto err;
134 } else
135 ret->flags &= ~TS_VFY_POLICY;
136
137 /* Setting md_alg, imprint and imprint_len. */
138 imprint = TS_REQ_get_msg_imprint(req);
139 md_alg = TS_MSG_IMPRINT_get_algo(imprint);
140 if (!(ret->md_alg = X509_ALGOR_dup(md_alg)))
141 goto err;
142 msg = TS_MSG_IMPRINT_get_msg(imprint);
143 ret->imprint_len = ASN1_STRING_length(msg);
144 if (!(ret->imprint = OPENSSL_malloc(ret->imprint_len)))
145 goto err;
146 memcpy(ret->imprint, ASN1_STRING_data(msg), ret->imprint_len);
147
148 /* Setting nonce. */
149 if ((nonce = TS_REQ_get_nonce(req)) != NULL) {
150 if (!(ret->nonce = ASN1_INTEGER_dup(nonce)))
151 goto err;
152 } else
153 ret->flags &= ~TS_VFY_NONCE;
154
155 return ret;
156 err:
157 if (ctx)
158 TS_VERIFY_CTX_cleanup(ctx);
159 else
160 TS_VERIFY_CTX_free(ret);
161 return NULL;
162 }
163