1 /* $OpenBSD: ts_lib.c,v 1.12 2021/12/04 16:08:32 tb Exp $ */ 2 /* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL 3 * project 2002. 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 <stdio.h> 60 #include <string.h> 61 62 #include <openssl/bn.h> 63 #include <openssl/objects.h> 64 #include <openssl/ts.h> 65 #include <openssl/x509v3.h> 66 67 #include "bn_lcl.h" 68 #include "x509_lcl.h" 69 70 /* Local function declarations. */ 71 72 /* Function definitions. */ 73 74 int 75 TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num) 76 { 77 BIGNUM num_bn; 78 int result = 0; 79 char *hex; 80 81 BN_init(&num_bn); 82 ASN1_INTEGER_to_BN(num, &num_bn); 83 if ((hex = BN_bn2hex(&num_bn))) { 84 result = BIO_write(bio, "0x", 2) > 0; 85 result = result && BIO_write(bio, hex, strlen(hex)) > 0; 86 free(hex); 87 } 88 BN_free(&num_bn); 89 90 return result; 91 } 92 93 int 94 TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj) 95 { 96 char obj_txt[128]; 97 98 int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0); 99 if (len >= sizeof(obj_txt)) 100 len = sizeof(obj_txt) - 1; 101 BIO_write(bio, obj_txt, len); 102 BIO_write(bio, "\n", 1); 103 return 1; 104 } 105 106 int 107 TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions) 108 { 109 int i, critical, n; 110 X509_EXTENSION *ex; 111 ASN1_OBJECT *obj; 112 113 BIO_printf(bio, "Extensions:\n"); 114 n = X509v3_get_ext_count(extensions); 115 for (i = 0; i < n; i++) { 116 ex = X509v3_get_ext(extensions, i); 117 obj = X509_EXTENSION_get_object(ex); 118 i2a_ASN1_OBJECT(bio, obj); 119 critical = X509_EXTENSION_get_critical(ex); 120 BIO_printf(bio, ": %s\n", critical ? "critical" : ""); 121 if (!X509V3_EXT_print(bio, ex, 0, 4)) { 122 BIO_printf(bio, "%4s", ""); 123 ASN1_STRING_print(bio, ex->value); 124 } 125 BIO_write(bio, "\n", 1); 126 } 127 128 return 1; 129 } 130 131 int 132 TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg) 133 { 134 int i = OBJ_obj2nid(alg->algorithm); 135 136 return BIO_printf(bio, "Hash Algorithm: %s\n", 137 (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i)); 138 } 139 140 int 141 TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a) 142 { 143 ASN1_OCTET_STRING *msg; 144 145 TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a)); 146 147 BIO_printf(bio, "Message data:\n"); 148 msg = TS_MSG_IMPRINT_get_msg(a); 149 BIO_dump_indent(bio, (const char *)ASN1_STRING_data(msg), 150 ASN1_STRING_length(msg), 4); 151 152 return 1; 153 } 154