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| 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 } |
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