1 /* $OpenBSD: t_req.c,v 1.15 2014/06/12 15:49:27 deraadt 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 #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 int 74 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 89 int 90 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) 116 117 goto err; 118 } 119 if (!(cflag & X509_FLAG_NO_VERSION)) { 120 neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : ""; 121 l = 0; 122 for (i = 0; i < ri->version->length; i++) { 123 l <<= 8; 124 l += ri->version->data[i]; 125 } 126 if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg, 127 l, neg, l) <= 0) 128 goto err; 129 } 130 if (!(cflag & X509_FLAG_NO_SUBJECT)) { 131 if (BIO_printf(bp, " Subject:%c", mlch) <= 0) 132 goto err; 133 if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0) 134 goto err; 135 if (BIO_write(bp, "\n", 1) <= 0) 136 goto err; 137 } 138 if (!(cflag & X509_FLAG_NO_PUBKEY)) { 139 if (BIO_write(bp, " Subject Public Key Info:\n", 140 33) <= 0) 141 goto err; 142 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) 143 goto err; 144 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 145 goto err; 146 if (BIO_puts(bp, "\n") <= 0) 147 goto err; 148 149 pkey = X509_REQ_get_pubkey(x); 150 if (pkey == NULL) { 151 BIO_printf(bp, "%12sUnable to load Public Key\n", ""); 152 ERR_print_errors(bp); 153 } else { 154 EVP_PKEY_print_public(bp, pkey, 16, NULL); 155 EVP_PKEY_free(pkey); 156 } 157 } 158 159 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 160 /* may not be */ 161 if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0) 162 goto err; 163 164 sk = x->req_info->attributes; 165 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 166 if (BIO_printf(bp, "%12sa0:00\n", "") <= 0) 167 goto err; 168 } else { 169 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { 170 ASN1_TYPE *at; 171 X509_ATTRIBUTE *a; 172 ASN1_BIT_STRING *bs = NULL; 173 ASN1_TYPE *t; 174 int j, type = 0, count = 1, ii = 0; 175 176 a = sk_X509_ATTRIBUTE_value(sk, i); 177 if (X509_REQ_extension_nid( 178 OBJ_obj2nid(a->object))) 179 continue; 180 if (BIO_printf(bp, "%12s", "") <= 0) 181 goto err; 182 if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) { 183 if (a->single) { 184 t = a->value.single; 185 type = t->type; 186 bs = t->value.bit_string; 187 } else { 188 ii = 0; 189 count = sk_ASN1_TYPE_num( 190 a->value.set); 191 get_next: 192 at = sk_ASN1_TYPE_value( 193 a->value.set, ii); 194 type = at->type; 195 bs = at->value.asn1_string; 196 } 197 } 198 for (j = 25 - j; j > 0; j--) 199 if (BIO_write(bp, " ", 1) != 1) 200 goto err; 201 if (BIO_puts(bp, ":") <= 0) 202 goto err; 203 if ((type == V_ASN1_PRINTABLESTRING) || 204 (type == V_ASN1_T61STRING) || 205 (type == V_ASN1_IA5STRING)) { 206 if (BIO_write(bp, (char *)bs->data, 207 bs->length) != bs->length) 208 goto err; 209 BIO_puts(bp, "\n"); 210 } else { 211 BIO_puts(bp, 212 "unable to print attribute\n"); 213 } 214 if (++ii < count) 215 goto get_next; 216 } 217 } 218 } 219 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) { 220 exts = X509_REQ_get_extensions(x); 221 if (exts) { 222 BIO_printf(bp, "%8sRequested Extensions:\n", ""); 223 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 224 ASN1_OBJECT *obj; 225 X509_EXTENSION *ex; 226 int j; 227 ex = sk_X509_EXTENSION_value(exts, i); 228 if (BIO_printf(bp, "%12s", "") <= 0) 229 goto err; 230 obj = X509_EXTENSION_get_object(ex); 231 i2a_ASN1_OBJECT(bp, obj); 232 j = X509_EXTENSION_get_critical(ex); 233 if (BIO_printf(bp, ": %s\n", 234 j ? "critical" : "") <= 0) 235 goto err; 236 if (!X509V3_EXT_print(bp, ex, cflag, 16)) { 237 BIO_printf(bp, "%16s", ""); 238 M_ASN1_OCTET_STRING_print(bp, ex->value); 239 } 240 if (BIO_write(bp, "\n", 1) <= 0) 241 goto err; 242 } 243 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 244 } 245 } 246 247 if (!(cflag & X509_FLAG_NO_SIGDUMP)) { 248 if (!X509_signature_print(bp, x->sig_alg, x->signature)) 249 goto err; 250 } 251 252 return (1); 253 254 err: 255 X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB); 256 return (0); 257 } 258 259 int 260 X509_REQ_print(BIO *bp, X509_REQ *x) 261 { 262 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 263 } 264