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 } 160