Branch data Line data Source code
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 : 9 : TS_VERIFY_CTX *TS_VERIFY_CTX_new(void)
64 : : {
65 : 9 : TS_VERIFY_CTX *ctx =
66 : : (TS_VERIFY_CTX *) OPENSSL_malloc(sizeof(TS_VERIFY_CTX));
67 [ + - ]: 9 : if (ctx)
68 : : memset(ctx, 0, sizeof(TS_VERIFY_CTX));
69 : : else
70 : 0 : TSerr(TS_F_TS_VERIFY_CTX_NEW, ERR_R_MALLOC_FAILURE);
71 : 9 : return ctx;
72 : : }
73 : :
74 : 9 : void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx)
75 : : {
76 [ - + ]: 9 : OPENSSL_assert(ctx != NULL);
77 : : memset(ctx, 0, sizeof(TS_VERIFY_CTX));
78 : 9 : }
79 : :
80 : 9 : void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx)
81 : : {
82 [ + - ]: 9 : if (!ctx) return;
83 : :
84 : 9 : TS_VERIFY_CTX_cleanup(ctx);
85 : 9 : OPENSSL_free(ctx);
86 : : }
87 : :
88 : 9 : void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx)
89 : : {
90 [ + - ]: 9 : if (!ctx) return;
91 : :
92 : 9 : X509_STORE_free(ctx->store);
93 : 9 : sk_X509_pop_free(ctx->certs, X509_free);
94 : :
95 : 9 : ASN1_OBJECT_free(ctx->policy);
96 : :
97 : 9 : X509_ALGOR_free(ctx->md_alg);
98 : 9 : OPENSSL_free(ctx->imprint);
99 : :
100 : 9 : BIO_free_all(ctx->data);
101 : :
102 : 9 : ASN1_INTEGER_free(ctx->nonce);
103 : :
104 : 9 : GENERAL_NAME_free(ctx->tsa_name);
105 : :
106 : 9 : TS_VERIFY_CTX_init(ctx);
107 : : }
108 : :
109 : 6 : TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx)
110 : : {
111 : 6 : 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 [ - + ]: 6 : OPENSSL_assert(req != NULL);
119 [ - + ]: 6 : if (ret)
120 : 0 : TS_VERIFY_CTX_cleanup(ret);
121 : : else
122 [ + - ]: 6 : if (!(ret = TS_VERIFY_CTX_new())) return NULL;
123 : :
124 : : /* Setting flags. */
125 : 6 : ret->flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE);
126 : :
127 : : /* Setting policy. */
128 [ + + ]: 6 : if ((policy = TS_REQ_get_policy_id(req)) != NULL)
129 : : {
130 [ + - ]: 5 : if (!(ret->policy = OBJ_dup(policy))) goto err;
131 : : }
132 : : else
133 : 1 : ret->flags &= ~TS_VFY_POLICY;
134 : :
135 : : /* Setting md_alg, imprint and imprint_len. */
136 : 6 : imprint = TS_REQ_get_msg_imprint(req);
137 : 6 : md_alg = TS_MSG_IMPRINT_get_algo(imprint);
138 [ + - ]: 6 : if (!(ret->md_alg = X509_ALGOR_dup(md_alg))) goto err;
139 : 6 : msg = TS_MSG_IMPRINT_get_msg(imprint);
140 : 6 : ret->imprint_len = ASN1_STRING_length(msg);
141 [ + - ]: 6 : if (!(ret->imprint = OPENSSL_malloc(ret->imprint_len))) goto err;
142 : 6 : memcpy(ret->imprint, ASN1_STRING_data(msg), ret->imprint_len);
143 : :
144 : : /* Setting nonce. */
145 [ + + ]: 6 : if ((nonce = TS_REQ_get_nonce(req)) != NULL)
146 : : {
147 [ + - ]: 3 : if (!(ret->nonce = ASN1_INTEGER_dup(nonce))) goto err;
148 : : }
149 : : else
150 : 3 : ret->flags &= ~TS_VFY_NONCE;
151 : :
152 : 6 : return ret;
153 : : err:
154 [ # # ]: 0 : if (ctx)
155 : 0 : TS_VERIFY_CTX_cleanup(ctx);
156 : : else
157 : 0 : TS_VERIFY_CTX_free(ret);
158 : : return NULL;
159 : : }
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