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 <assert.h> 60 #include "cryptlib.h" 61 #include <openssl/objects.h> 62 #include <openssl/ts.h> 63 64 TS_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 75 void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx) 76 { 77 assert(ctx != NULL); 78 memset(ctx, 0, sizeof(TS_VERIFY_CTX)); 79 } 80 81 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx) 82 { 83 if (!ctx) return; 84 85 TS_VERIFY_CTX_cleanup(ctx); 86 OPENSSL_free(ctx); 87 } 88 89 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx) 90 { 91 if (!ctx) return; 92 93 X509_STORE_free(ctx->store); 94 sk_X509_pop_free(ctx->certs, X509_free); 95 96 ASN1_OBJECT_free(ctx->policy); 97 98 X509_ALGOR_free(ctx->md_alg); 99 OPENSSL_free(ctx->imprint); 100 101 BIO_free_all(ctx->data); 102 103 ASN1_INTEGER_free(ctx->nonce); 104 105 GENERAL_NAME_free(ctx->tsa_name); 106 107 TS_VERIFY_CTX_init(ctx); 108 } 109 110 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx) 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 assert(req != NULL); 120 if (ret) 121 TS_VERIFY_CTX_cleanup(ret); 122 else 123 if (!(ret = TS_VERIFY_CTX_new())) 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) 130 { 131 if (!(ret->policy = OBJ_dup(policy))) goto err; 132 } 133 else 134 ret->flags &= ~TS_VFY_POLICY; 135 136 /* Setting md_alg, imprint and imprint_len. */ 137 imprint = TS_REQ_get_msg_imprint(req); 138 md_alg = TS_MSG_IMPRINT_get_algo(imprint); 139 if (!(ret->md_alg = X509_ALGOR_dup(md_alg))) goto err; 140 msg = TS_MSG_IMPRINT_get_msg(imprint); 141 ret->imprint_len = ASN1_STRING_length(msg); 142 if (!(ret->imprint = OPENSSL_malloc(ret->imprint_len))) goto err; 143 memcpy(ret->imprint, ASN1_STRING_data(msg), ret->imprint_len); 144 145 /* Setting nonce. */ 146 if ((nonce = TS_REQ_get_nonce(req)) != NULL) 147 { 148 if (!(ret->nonce = ASN1_INTEGER_dup(nonce))) goto err; 149 } 150 else 151 ret->flags &= ~TS_VFY_NONCE; 152 153 return ret; 154 err: 155 if (ctx) 156 TS_VERIFY_CTX_cleanup(ctx); 157 else 158 TS_VERIFY_CTX_free(ret); 159 return NULL; 160 } 161