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c7235be6 | 1 | /* crypto/ts/ts_verify_ctx.c */ |
0f113f3e MC |
2 | /* |
3 | * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project | |
4 | * 2003. | |
c7235be6 UM |
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 | |
0f113f3e | 14 | * notice, this list of conditions and the following disclaimer. |
c7235be6 UM |
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 | ||
b39fc560 | 60 | #include "internal/cryptlib.h" |
c7235be6 UM |
61 | #include <openssl/objects.h> |
62 | #include <openssl/ts.h> | |
63 | ||
64 | TS_VERIFY_CTX *TS_VERIFY_CTX_new(void) | |
0f113f3e | 65 | { |
b51bce94 | 66 | TS_VERIFY_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx)); |
b196e7d9 | 67 | |
b51bce94 | 68 | if (!ctx) |
0f113f3e MC |
69 | TSerr(TS_F_TS_VERIFY_CTX_NEW, ERR_R_MALLOC_FAILURE); |
70 | return ctx; | |
71 | } | |
c7235be6 UM |
72 | |
73 | void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx) | |
0f113f3e MC |
74 | { |
75 | OPENSSL_assert(ctx != NULL); | |
16f8d4eb | 76 | memset(ctx, 0, sizeof(*ctx)); |
0f113f3e | 77 | } |
c7235be6 UM |
78 | |
79 | void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx) | |
0f113f3e MC |
80 | { |
81 | if (!ctx) | |
82 | return; | |
c7235be6 | 83 | |
0f113f3e MC |
84 | TS_VERIFY_CTX_cleanup(ctx); |
85 | OPENSSL_free(ctx); | |
86 | } | |
c7235be6 UM |
87 | |
88 | void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx) | |
0f113f3e MC |
89 | { |
90 | if (!ctx) | |
91 | return; | |
c7235be6 | 92 | |
0f113f3e MC |
93 | X509_STORE_free(ctx->store); |
94 | sk_X509_pop_free(ctx->certs, X509_free); | |
c7235be6 | 95 | |
0f113f3e | 96 | ASN1_OBJECT_free(ctx->policy); |
c7235be6 | 97 | |
0f113f3e MC |
98 | X509_ALGOR_free(ctx->md_alg); |
99 | OPENSSL_free(ctx->imprint); | |
c7235be6 | 100 | |
0f113f3e | 101 | BIO_free_all(ctx->data); |
c7235be6 | 102 | |
0f113f3e | 103 | ASN1_INTEGER_free(ctx->nonce); |
c7235be6 | 104 | |
0f113f3e MC |
105 | GENERAL_NAME_free(ctx->tsa_name); |
106 | ||
107 | TS_VERIFY_CTX_init(ctx); | |
108 | } | |
c7235be6 UM |
109 | |
110 | TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx) | |
0f113f3e MC |
111 | { |
112 | TS_VERIFY_CTX *ret = ctx; | |
113 | ASN1_OBJECT *policy; | |
114 | TS_MSG_IMPRINT *imprint; | |
115 | X509_ALGOR *md_alg; | |
116 | ASN1_OCTET_STRING *msg; | |
117 | const ASN1_INTEGER *nonce; | |
118 | ||
119 | OPENSSL_assert(req != NULL); | |
120 | if (ret) | |
121 | TS_VERIFY_CTX_cleanup(ret); | |
75ebbd9a | 122 | else if ((ret = TS_VERIFY_CTX_new()) == NULL) |
0f113f3e MC |
123 | return NULL; |
124 | ||
125 | /* Setting flags. */ | |
126 | ret->flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE); | |
127 | ||
128 | /* Setting policy. */ | |
129 | if ((policy = TS_REQ_get_policy_id(req)) != NULL) { | |
75ebbd9a | 130 | if ((ret->policy = OBJ_dup(policy)) == NULL) |
0f113f3e MC |
131 | goto err; |
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); | |
75ebbd9a | 138 | if ((ret->md_alg = X509_ALGOR_dup(md_alg)) == NULL) |
0f113f3e MC |
139 | goto err; |
140 | msg = TS_MSG_IMPRINT_get_msg(imprint); | |
141 | ret->imprint_len = ASN1_STRING_length(msg); | |
75ebbd9a | 142 | if ((ret->imprint = OPENSSL_malloc(ret->imprint_len)) == NULL) |
0f113f3e MC |
143 | goto err; |
144 | memcpy(ret->imprint, ASN1_STRING_data(msg), ret->imprint_len); | |
145 | ||
146 | /* Setting nonce. */ | |
147 | if ((nonce = TS_REQ_get_nonce(req)) != NULL) { | |
75ebbd9a | 148 | if ((ret->nonce = ASN1_INTEGER_dup(nonce)) == NULL) |
0f113f3e MC |
149 | goto err; |
150 | } else | |
151 | ret->flags &= ~TS_VFY_NONCE; | |
152 | ||
153 | return ret; | |
c7235be6 | 154 | err: |
0f113f3e MC |
155 | if (ctx) |
156 | TS_VERIFY_CTX_cleanup(ctx); | |
157 | else | |
158 | TS_VERIFY_CTX_free(ret); | |
159 | return NULL; | |
160 | } |