1/* $OpenBSD: t_req.c,v 1.28 2024/05/03 02:52:00 tb Exp $ */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#include <stdio.h> 60 61#include <openssl/opensslconf.h> 62 63#include <openssl/bn.h> 64#include <openssl/buffer.h> 65#include <openssl/err.h> 66#include <openssl/objects.h> 67#include <openssl/x509.h> 68#include <openssl/x509v3.h> 69 70#ifndef OPENSSL_NO_DSA 71#include <openssl/dsa.h> 72#endif 73#ifndef OPENSSL_NO_RSA 74#include <openssl/rsa.h> 75#endif 76 77#include "x509_local.h" 78 79int 80X509_REQ_print_fp(FILE *fp, X509_REQ *x) 81{ 82 BIO *b; 83 int ret; 84 85 if ((b = BIO_new(BIO_s_file())) == NULL) { 86 X509error(ERR_R_BUF_LIB); 87 return (0); 88 } 89 BIO_set_fp(b, fp, BIO_NOCLOSE); 90 ret = X509_REQ_print(b, x); 91 BIO_free(b); 92 return (ret); 93} 94LCRYPTO_ALIAS(X509_REQ_print_fp); 95 96int 97X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, 98 unsigned long cflag) 99{ 100 unsigned long l; 101 int i; 102 X509_REQ_INFO *ri; 103 EVP_PKEY *pkey; 104 STACK_OF(X509_ATTRIBUTE) *sk; 105 STACK_OF(X509_EXTENSION) *exts = NULL; 106 char mlch = ' '; 107 int nmindent = 0; 108 109 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 110 mlch = '\n'; 111 nmindent = 12; 112 } 113 114 if (nmflags == X509_FLAG_COMPAT) 115 nmindent = 16; 116 117 ri = x->req_info; 118 if (!(cflag & X509_FLAG_NO_HEADER)) { 119 if (BIO_write(bp, "Certificate Request:\n", 21) <= 0) 120 goto err; 121 if (BIO_write(bp, " Data:\n", 10) <= 0) 122 123 goto err; 124 } 125 if (!(cflag & X509_FLAG_NO_VERSION)) { 126 if ((l = X509_REQ_get_version(x)) == 0) { 127 if (BIO_printf(bp, "%8sVersion: 1 (0x0)\n", "") <= 0) 128 goto err; 129 } else { 130 if (BIO_printf(bp, "%8sVersion: unknown (%ld)\n", 131 "", l) <= 0) 132 goto err; 133 } 134 } 135 if (!(cflag & X509_FLAG_NO_SUBJECT)) { 136 if (BIO_printf(bp, " Subject:%c", mlch) <= 0) 137 goto err; 138 if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0) 139 goto err; 140 if (BIO_write(bp, "\n", 1) <= 0) 141 goto err; 142 } 143 if (!(cflag & X509_FLAG_NO_PUBKEY)) { 144 if (BIO_write(bp, " Subject Public Key Info:\n", 145 33) <= 0) 146 goto err; 147 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) 148 goto err; 149 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 150 goto err; 151 if (BIO_puts(bp, "\n") <= 0) 152 goto err; 153 154 pkey = X509_REQ_get_pubkey(x); 155 if (pkey == NULL) { 156 BIO_printf(bp, "%12sUnable to load Public Key\n", ""); 157 ERR_print_errors(bp); 158 } else { 159 EVP_PKEY_print_public(bp, pkey, 16, NULL); 160 EVP_PKEY_free(pkey); 161 } 162 } 163 164 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 165 /* may not be */ 166 if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0) 167 goto err; 168 169 sk = x->req_info->attributes; 170 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 171 if (BIO_printf(bp, "%12sa0:00\n", "") <= 0) 172 goto err; 173 } else { 174 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { 175 ASN1_TYPE *at; 176 X509_ATTRIBUTE *a; 177 ASN1_BIT_STRING *bs = NULL; 178 int j, type = 0, count = 1, ii = 0; 179 180 a = sk_X509_ATTRIBUTE_value(sk, i); 181 if (X509_REQ_extension_nid( 182 OBJ_obj2nid(a->object))) 183 continue; 184 if (BIO_printf(bp, "%12s", "") <= 0) 185 goto err; 186 if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) { 187 ii = 0; 188 count = sk_ASN1_TYPE_num(a->set); 189 get_next: 190 at = sk_ASN1_TYPE_value(a->set, ii); 191 type = at->type; 192 bs = at->value.asn1_string; 193 } 194 for (j = 25 - j; j > 0; j--) 195 if (BIO_write(bp, " ", 1) != 1) 196 goto err; 197 if (BIO_puts(bp, ":") <= 0) 198 goto err; 199 if ((type == V_ASN1_PRINTABLESTRING) || 200 (type == V_ASN1_T61STRING) || 201 (type == V_ASN1_IA5STRING)) { 202 if (BIO_write(bp, (char *)bs->data, 203 bs->length) != bs->length) 204 goto err; 205 BIO_puts(bp, "\n"); 206 } else { 207 BIO_puts(bp, 208 "unable to print attribute\n"); 209 } 210 if (++ii < count) 211 goto get_next; 212 } 213 } 214 } 215 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) { 216 exts = X509_REQ_get_extensions(x); 217 if (exts) { 218 BIO_printf(bp, "%8sRequested Extensions:\n", ""); 219 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 220 ASN1_OBJECT *obj; 221 X509_EXTENSION *ex; 222 int j; 223 ex = sk_X509_EXTENSION_value(exts, i); 224 if (BIO_printf(bp, "%12s", "") <= 0) 225 goto err; 226 obj = X509_EXTENSION_get_object(ex); 227 i2a_ASN1_OBJECT(bp, obj); 228 j = X509_EXTENSION_get_critical(ex); 229 if (BIO_printf(bp, ": %s\n", 230 j ? "critical" : "") <= 0) 231 goto err; 232 if (!X509V3_EXT_print(bp, ex, cflag, 16)) { 233 BIO_printf(bp, "%16s", ""); 234 ASN1_STRING_print(bp, ex->value); 235 } 236 if (BIO_write(bp, "\n", 1) <= 0) 237 goto err; 238 } 239 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 240 exts = NULL; 241 } 242 } 243 244 if (!(cflag & X509_FLAG_NO_SIGDUMP)) { 245 if (!X509_signature_print(bp, x->sig_alg, x->signature)) 246 goto err; 247 } 248 249 return (1); 250 251 err: 252 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 253 X509error(ERR_R_BUF_LIB); 254 return (0); 255} 256LCRYPTO_ALIAS(X509_REQ_print_ex); 257 258int 259X509_REQ_print(BIO *bp, X509_REQ *x) 260{ 261 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 262} 263LCRYPTO_ALIAS(X509_REQ_print); 264