t_req.c revision 296465
1/* crypto/asn1/t_req.c */ 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#include "cryptlib.h" 61#include <openssl/buffer.h> 62#include <openssl/bn.h> 63#include <openssl/objects.h> 64#include <openssl/x509.h> 65#include <openssl/x509v3.h> 66#ifndef OPENSSL_NO_RSA 67# include <openssl/rsa.h> 68#endif 69#ifndef OPENSSL_NO_DSA 70# include <openssl/dsa.h> 71#endif 72 73#ifndef OPENSSL_NO_FP_API 74int X509_REQ_print_fp(FILE *fp, X509_REQ *x) 75{ 76 BIO *b; 77 int ret; 78 79 if ((b = BIO_new(BIO_s_file())) == NULL) { 80 X509err(X509_F_X509_REQ_PRINT_FP, ERR_R_BUF_LIB); 81 return (0); 82 } 83 BIO_set_fp(b, fp, BIO_NOCLOSE); 84 ret = X509_REQ_print(b, x); 85 BIO_free(b); 86 return (ret); 87} 88#endif 89 90int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, 91 unsigned long cflag) 92{ 93 unsigned long l; 94 int i; 95 const char *neg; 96 X509_REQ_INFO *ri; 97 EVP_PKEY *pkey; 98 STACK_OF(X509_ATTRIBUTE) *sk; 99 STACK_OF(X509_EXTENSION) *exts; 100 char mlch = ' '; 101 int nmindent = 0; 102 103 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 104 mlch = '\n'; 105 nmindent = 12; 106 } 107 108 if (nmflags == X509_FLAG_COMPAT) 109 nmindent = 16; 110 111 ri = x->req_info; 112 if (!(cflag & X509_FLAG_NO_HEADER)) { 113 if (BIO_write(bp, "Certificate Request:\n", 21) <= 0) 114 goto err; 115 if (BIO_write(bp, " Data:\n", 10) <= 0) 116 goto err; 117 } 118 if (!(cflag & X509_FLAG_NO_VERSION)) { 119 neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : ""; 120 l = 0; 121 for (i = 0; i < ri->version->length; i++) { 122 l <<= 8; 123 l += ri->version->data[i]; 124 } 125 if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg, l, neg, 126 l) <= 0) 127 goto err; 128 } 129 if (!(cflag & X509_FLAG_NO_SUBJECT)) { 130 if (BIO_printf(bp, " Subject:%c", mlch) <= 0) 131 goto err; 132 if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0) 133 goto err; 134 if (BIO_write(bp, "\n", 1) <= 0) 135 goto err; 136 } 137 if (!(cflag & X509_FLAG_NO_PUBKEY)) { 138 if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0) 139 goto err; 140 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) 141 goto err; 142 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 143 goto err; 144 if (BIO_puts(bp, "\n") <= 0) 145 goto err; 146 147 pkey = X509_REQ_get_pubkey(x); 148 if (pkey == NULL) { 149 BIO_printf(bp, "%12sUnable to load Public Key\n", ""); 150 ERR_print_errors(bp); 151 } else 152#ifndef OPENSSL_NO_RSA 153 if (pkey->type == EVP_PKEY_RSA) { 154 BIO_printf(bp, "%12sRSA Public Key: (%d bit)\n", "", 155 BN_num_bits(pkey->pkey.rsa->n)); 156 RSA_print(bp, pkey->pkey.rsa, 16); 157 } else 158#endif 159#ifndef OPENSSL_NO_DSA 160 if (pkey->type == EVP_PKEY_DSA) { 161 BIO_printf(bp, "%12sDSA Public Key:\n", ""); 162 DSA_print(bp, pkey->pkey.dsa, 16); 163 } else 164#endif 165#ifndef OPENSSL_NO_EC 166 if (pkey->type == EVP_PKEY_EC) { 167 BIO_printf(bp, "%12sEC Public Key: \n", ""); 168 EC_KEY_print(bp, pkey->pkey.ec, 16); 169 } else 170#endif 171 BIO_printf(bp, "%12sUnknown Public Key:\n", ""); 172 173 EVP_PKEY_free(pkey); 174 } 175 176 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 177 /* may not be */ 178 if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0) 179 goto err; 180 181 sk = x->req_info->attributes; 182 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 183 if (BIO_printf(bp, "%12sa0:00\n", "") <= 0) 184 goto err; 185 } else { 186 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { 187 ASN1_TYPE *at; 188 X509_ATTRIBUTE *a; 189 ASN1_BIT_STRING *bs = NULL; 190 ASN1_TYPE *t; 191 int j, type = 0, count = 1, ii = 0; 192 193 a = sk_X509_ATTRIBUTE_value(sk, i); 194 if (X509_REQ_extension_nid(OBJ_obj2nid(a->object))) 195 continue; 196 if (BIO_printf(bp, "%12s", "") <= 0) 197 goto err; 198 if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) { 199 if (a->single) { 200 t = a->value.single; 201 type = t->type; 202 bs = t->value.bit_string; 203 } else { 204 ii = 0; 205 count = sk_ASN1_TYPE_num(a->value.set); 206 get_next: 207 at = sk_ASN1_TYPE_value(a->value.set, ii); 208 type = at->type; 209 bs = at->value.asn1_string; 210 } 211 } 212 for (j = 25 - j; j > 0; j--) 213 if (BIO_write(bp, " ", 1) != 1) 214 goto err; 215 if (BIO_puts(bp, ":") <= 0) 216 goto err; 217 if ((type == V_ASN1_PRINTABLESTRING) || 218 (type == V_ASN1_T61STRING) || 219 (type == V_ASN1_IA5STRING)) { 220 if (BIO_write(bp, (char *)bs->data, bs->length) 221 != bs->length) 222 goto err; 223 BIO_puts(bp, "\n"); 224 } else { 225 BIO_puts(bp, "unable to print attribute\n"); 226 } 227 if (++ii < count) 228 goto get_next; 229 } 230 } 231 } 232 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) { 233 exts = X509_REQ_get_extensions(x); 234 if (exts) { 235 BIO_printf(bp, "%8sRequested Extensions:\n", ""); 236 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 237 ASN1_OBJECT *obj; 238 X509_EXTENSION *ex; 239 int j; 240 ex = sk_X509_EXTENSION_value(exts, i); 241 if (BIO_printf(bp, "%12s", "") <= 0) 242 goto err; 243 obj = X509_EXTENSION_get_object(ex); 244 i2a_ASN1_OBJECT(bp, obj); 245 j = X509_EXTENSION_get_critical(ex); 246 if (BIO_printf(bp, ": %s\n", j ? "critical" : "") <= 0) 247 goto err; 248 if (!X509V3_EXT_print(bp, ex, cflag, 16)) { 249 BIO_printf(bp, "%16s", ""); 250 M_ASN1_OCTET_STRING_print(bp, ex->value); 251 } 252 if (BIO_write(bp, "\n", 1) <= 0) 253 goto err; 254 } 255 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 256 } 257 } 258 259 if (!(cflag & X509_FLAG_NO_SIGDUMP)) { 260 if (!X509_signature_print(bp, x->sig_alg, x->signature)) 261 goto err; 262 } 263 264 return (1); 265 err: 266 X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB); 267 return (0); 268} 269 270int X509_REQ_print(BIO *bp, X509_REQ *x) 271{ 272 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 273} 274