1 /* $OpenBSD: t_req.c,v 1.23 2022/08/30 08:45:06 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_lcl.h" 78 79 int 80 X509_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 } 94 95 int 96 X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, 97 unsigned long cflag) 98 { 99 unsigned long l; 100 int i; 101 const char *neg; 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 neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : ""; 127 l = 0; 128 for (i = 0; i < ri->version->length; i++) { 129 l <<= 8; 130 l += ri->version->data[i]; 131 } 132 if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg, 133 l, neg, l) <= 0) 134 goto err; 135 } 136 if (!(cflag & X509_FLAG_NO_SUBJECT)) { 137 if (BIO_printf(bp, " Subject:%c", mlch) <= 0) 138 goto err; 139 if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0) 140 goto err; 141 if (BIO_write(bp, "\n", 1) <= 0) 142 goto err; 143 } 144 if (!(cflag & X509_FLAG_NO_PUBKEY)) { 145 if (BIO_write(bp, " Subject Public Key Info:\n", 146 33) <= 0) 147 goto err; 148 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) 149 goto err; 150 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 151 goto err; 152 if (BIO_puts(bp, "\n") <= 0) 153 goto err; 154 155 pkey = X509_REQ_get_pubkey(x); 156 if (pkey == NULL) { 157 BIO_printf(bp, "%12sUnable to load Public Key\n", ""); 158 ERR_print_errors(bp); 159 } else { 160 EVP_PKEY_print_public(bp, pkey, 16, NULL); 161 EVP_PKEY_free(pkey); 162 } 163 } 164 165 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 166 /* may not be */ 167 if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0) 168 goto err; 169 170 sk = x->req_info->attributes; 171 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 172 if (BIO_printf(bp, "%12sa0:00\n", "") <= 0) 173 goto err; 174 } else { 175 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { 176 ASN1_TYPE *at; 177 X509_ATTRIBUTE *a; 178 ASN1_BIT_STRING *bs = NULL; 179 int j, type = 0, count = 1, ii = 0; 180 181 a = sk_X509_ATTRIBUTE_value(sk, i); 182 if (X509_REQ_extension_nid( 183 OBJ_obj2nid(a->object))) 184 continue; 185 if (BIO_printf(bp, "%12s", "") <= 0) 186 goto err; 187 if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) { 188 ii = 0; 189 count = sk_ASN1_TYPE_num(a->set); 190 get_next: 191 at = sk_ASN1_TYPE_value(a->set, ii); 192 type = at->type; 193 bs = at->value.asn1_string; 194 } 195 for (j = 25 - j; j > 0; j--) 196 if (BIO_write(bp, " ", 1) != 1) 197 goto err; 198 if (BIO_puts(bp, ":") <= 0) 199 goto err; 200 if ((type == V_ASN1_PRINTABLESTRING) || 201 (type == V_ASN1_T61STRING) || 202 (type == V_ASN1_IA5STRING)) { 203 if (BIO_write(bp, (char *)bs->data, 204 bs->length) != bs->length) 205 goto err; 206 BIO_puts(bp, "\n"); 207 } else { 208 BIO_puts(bp, 209 "unable to print attribute\n"); 210 } 211 if (++ii < count) 212 goto get_next; 213 } 214 } 215 } 216 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) { 217 exts = X509_REQ_get_extensions(x); 218 if (exts) { 219 BIO_printf(bp, "%8sRequested Extensions:\n", ""); 220 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 221 ASN1_OBJECT *obj; 222 X509_EXTENSION *ex; 223 int j; 224 ex = sk_X509_EXTENSION_value(exts, i); 225 if (BIO_printf(bp, "%12s", "") <= 0) 226 goto err; 227 obj = X509_EXTENSION_get_object(ex); 228 i2a_ASN1_OBJECT(bp, obj); 229 j = X509_EXTENSION_get_critical(ex); 230 if (BIO_printf(bp, ": %s\n", 231 j ? "critical" : "") <= 0) 232 goto err; 233 if (!X509V3_EXT_print(bp, ex, cflag, 16)) { 234 BIO_printf(bp, "%16s", ""); 235 ASN1_STRING_print(bp, ex->value); 236 } 237 if (BIO_write(bp, "\n", 1) <= 0) 238 goto err; 239 } 240 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 241 exts = NULL; 242 } 243 } 244 245 if (!(cflag & X509_FLAG_NO_SIGDUMP)) { 246 if (!X509_signature_print(bp, x->sig_alg, x->signature)) 247 goto err; 248 } 249 250 return (1); 251 252 err: 253 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 254 X509error(ERR_R_BUF_LIB); 255 return (0); 256 } 257 258 int 259 X509_REQ_print(BIO *bp, X509_REQ *x) 260 { 261 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 262 } 263