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 64TS_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 75void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx) 76{ 77 OPENSSL_assert(ctx != NULL); 78 memset(ctx, 0, sizeof(TS_VERIFY_CTX)); 79} 80 81void 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 90void 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 112TS_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