1 /* $OpenBSD: ts_lib.c,v 1.15 2025/01/07 14:22:19 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_local.h" 68 #include "x509_local.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 *bn = NULL; 78 char *hex = NULL; 79 int ret = 0; 80 81 /* XXX - OpenSSL decided to return -1 here for some stupid reason. */ 82 if ((bn = ASN1_INTEGER_to_BN(num, NULL)) == NULL) 83 goto err; 84 if ((hex = BN_bn2hex(bn)) == NULL) 85 goto err; 86 if (BIO_printf(bio, "0x%s", hex) <= 0) 87 goto err; 88 89 ret = 1; 90 91 err: 92 BN_free(bn); 93 free(hex); 94 95 return ret; 96 } 97 LCRYPTO_ALIAS(TS_ASN1_INTEGER_print_bio); 98 99 int 100 TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj) 101 { 102 char obj_txt[128]; 103 104 int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0); 105 if (len >= sizeof(obj_txt)) 106 len = sizeof(obj_txt) - 1; 107 BIO_write(bio, obj_txt, len); 108 BIO_write(bio, "\n", 1); 109 return 1; 110 } 111 LCRYPTO_ALIAS(TS_OBJ_print_bio); 112 113 int 114 TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions) 115 { 116 int i, critical, n; 117 X509_EXTENSION *ex; 118 ASN1_OBJECT *obj; 119 120 BIO_printf(bio, "Extensions:\n"); 121 n = X509v3_get_ext_count(extensions); 122 for (i = 0; i < n; i++) { 123 ex = X509v3_get_ext(extensions, i); 124 obj = X509_EXTENSION_get_object(ex); 125 i2a_ASN1_OBJECT(bio, obj); 126 critical = X509_EXTENSION_get_critical(ex); 127 BIO_printf(bio, ": %s\n", critical ? "critical" : ""); 128 if (!X509V3_EXT_print(bio, ex, 0, 4)) { 129 BIO_printf(bio, "%4s", ""); 130 ASN1_STRING_print(bio, ex->value); 131 } 132 BIO_write(bio, "\n", 1); 133 } 134 135 return 1; 136 } 137 LCRYPTO_ALIAS(TS_ext_print_bio); 138 139 int 140 TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg) 141 { 142 int i = OBJ_obj2nid(alg->algorithm); 143 144 return BIO_printf(bio, "Hash Algorithm: %s\n", 145 (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i)); 146 } 147 LCRYPTO_ALIAS(TS_X509_ALGOR_print_bio); 148 149 int 150 TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a) 151 { 152 ASN1_OCTET_STRING *msg; 153 154 TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a)); 155 156 BIO_printf(bio, "Message data:\n"); 157 msg = TS_MSG_IMPRINT_get_msg(a); 158 BIO_dump_indent(bio, (const char *)ASN1_STRING_data(msg), 159 ASN1_STRING_length(msg), 4); 160 161 return 1; 162 } 163 LCRYPTO_ALIAS(TS_MSG_IMPRINT_print_bio); 164