1 /* crypto/ts/ts_lib.c */ 2 /* 3 * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project 4 * 2002. 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 <stdio.h> 61 #include "cryptlib.h" 62 #include <openssl/objects.h> 63 #include <openssl/bn.h> 64 #include <openssl/x509v3.h> 65 #include "ts.h" 66 67 /* Local function declarations. */ 68 69 /* Function definitions. */ 70 71 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num) 72 { 73 BIGNUM num_bn; 74 int result = 0; 75 char *hex; 76 77 BN_init(&num_bn); 78 ASN1_INTEGER_to_BN(num, &num_bn); 79 if ((hex = BN_bn2hex(&num_bn))) { 80 result = BIO_write(bio, "0x", 2) > 0; 81 result = result && BIO_write(bio, hex, strlen(hex)) > 0; 82 OPENSSL_free(hex); 83 } 84 BN_free(&num_bn); 85 86 return result; 87 } 88 89 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj) 90 { 91 char obj_txt[128]; 92 93 int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0); 94 BIO_write(bio, obj_txt, len); 95 BIO_write(bio, "\n", 1); 96 97 return 1; 98 } 99 100 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions) 101 { 102 int i, critical, n; 103 X509_EXTENSION *ex; 104 ASN1_OBJECT *obj; 105 106 BIO_printf(bio, "Extensions:\n"); 107 n = X509v3_get_ext_count(extensions); 108 for (i = 0; i < n; i++) { 109 ex = X509v3_get_ext(extensions, i); 110 obj = X509_EXTENSION_get_object(ex); 111 i2a_ASN1_OBJECT(bio, obj); 112 critical = X509_EXTENSION_get_critical(ex); 113 BIO_printf(bio, ": %s\n", critical ? "critical" : ""); 114 if (!X509V3_EXT_print(bio, ex, 0, 4)) { 115 BIO_printf(bio, "%4s", ""); 116 M_ASN1_OCTET_STRING_print(bio, ex->value); 117 } 118 BIO_write(bio, "\n", 1); 119 } 120 121 return 1; 122 } 123 124 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg) 125 { 126 int i = OBJ_obj2nid(alg->algorithm); 127 return BIO_printf(bio, "Hash Algorithm: %s\n", 128 (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i)); 129 } 130 131 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a) 132 { 133 const ASN1_OCTET_STRING *msg; 134 135 TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a)); 136 137 BIO_printf(bio, "Message data:\n"); 138 msg = TS_MSG_IMPRINT_get_msg(a); 139 BIO_dump_indent(bio, (const char *)M_ASN1_STRING_data(msg), 140 M_ASN1_STRING_length(msg), 4); 141 142 return 1; 143 } 144