1 /* $OpenBSD: t_req.c,v 1.19 2017/01/29 17:49:22 beck 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 int 78 X509_REQ_print_fp(FILE *fp, X509_REQ *x) 79 { 80 BIO *b; 81 int ret; 82 83 if ((b = BIO_new(BIO_s_file())) == NULL) { 84 X509error(ERR_R_BUF_LIB); 85 return (0); 86 } 87 BIO_set_fp(b, fp, BIO_NOCLOSE); 88 ret = X509_REQ_print(b, x); 89 BIO_free(b); 90 return (ret); 91 } 92 93 int 94 X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, 95 unsigned long cflag) 96 { 97 unsigned long l; 98 int i; 99 const char *neg; 100 X509_REQ_INFO *ri; 101 EVP_PKEY *pkey; 102 STACK_OF(X509_ATTRIBUTE) *sk; 103 STACK_OF(X509_EXTENSION) *exts; 104 char mlch = ' '; 105 int nmindent = 0; 106 107 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 108 mlch = '\n'; 109 nmindent = 12; 110 } 111 112 if (nmflags == X509_FLAG_COMPAT) 113 nmindent = 16; 114 115 ri = x->req_info; 116 if (!(cflag & X509_FLAG_NO_HEADER)) { 117 if (BIO_write(bp, "Certificate Request:\n", 21) <= 0) 118 goto err; 119 if (BIO_write(bp, " Data:\n", 10) <= 0) 120 121 goto err; 122 } 123 if (!(cflag & X509_FLAG_NO_VERSION)) { 124 neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : ""; 125 l = 0; 126 for (i = 0; i < ri->version->length; i++) { 127 l <<= 8; 128 l += ri->version->data[i]; 129 } 130 if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg, 131 l, neg, l) <= 0) 132 goto err; 133 } 134 if (!(cflag & X509_FLAG_NO_SUBJECT)) { 135 if (BIO_printf(bp, " Subject:%c", mlch) <= 0) 136 goto err; 137 if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0) 138 goto err; 139 if (BIO_write(bp, "\n", 1) <= 0) 140 goto err; 141 } 142 if (!(cflag & X509_FLAG_NO_PUBKEY)) { 143 if (BIO_write(bp, " Subject Public Key Info:\n", 144 33) <= 0) 145 goto err; 146 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) 147 goto err; 148 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 149 goto err; 150 if (BIO_puts(bp, "\n") <= 0) 151 goto err; 152 153 pkey = X509_REQ_get_pubkey(x); 154 if (pkey == NULL) { 155 BIO_printf(bp, "%12sUnable to load Public Key\n", ""); 156 ERR_print_errors(bp); 157 } else { 158 EVP_PKEY_print_public(bp, pkey, 16, NULL); 159 EVP_PKEY_free(pkey); 160 } 161 } 162 163 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 164 /* may not be */ 165 if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0) 166 goto err; 167 168 sk = x->req_info->attributes; 169 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 170 if (BIO_printf(bp, "%12sa0:00\n", "") <= 0) 171 goto err; 172 } else { 173 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { 174 ASN1_TYPE *at; 175 X509_ATTRIBUTE *a; 176 ASN1_BIT_STRING *bs = NULL; 177 ASN1_TYPE *t; 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 if (a->single) { 188 t = a->value.single; 189 type = t->type; 190 bs = t->value.bit_string; 191 } else { 192 ii = 0; 193 count = sk_ASN1_TYPE_num( 194 a->value.set); 195 get_next: 196 at = sk_ASN1_TYPE_value( 197 a->value.set, ii); 198 type = at->type; 199 bs = at->value.asn1_string; 200 } 201 } 202 for (j = 25 - j; j > 0; j--) 203 if (BIO_write(bp, " ", 1) != 1) 204 goto err; 205 if (BIO_puts(bp, ":") <= 0) 206 goto err; 207 if ((type == V_ASN1_PRINTABLESTRING) || 208 (type == V_ASN1_T61STRING) || 209 (type == V_ASN1_IA5STRING)) { 210 if (BIO_write(bp, (char *)bs->data, 211 bs->length) != bs->length) 212 goto err; 213 BIO_puts(bp, "\n"); 214 } else { 215 BIO_puts(bp, 216 "unable to print attribute\n"); 217 } 218 if (++ii < count) 219 goto get_next; 220 } 221 } 222 } 223 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) { 224 exts = X509_REQ_get_extensions(x); 225 if (exts) { 226 BIO_printf(bp, "%8sRequested Extensions:\n", ""); 227 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 228 ASN1_OBJECT *obj; 229 X509_EXTENSION *ex; 230 int j; 231 ex = sk_X509_EXTENSION_value(exts, i); 232 if (BIO_printf(bp, "%12s", "") <= 0) 233 goto err; 234 obj = X509_EXTENSION_get_object(ex); 235 i2a_ASN1_OBJECT(bp, obj); 236 j = X509_EXTENSION_get_critical(ex); 237 if (BIO_printf(bp, ": %s\n", 238 j ? "critical" : "") <= 0) 239 goto err; 240 if (!X509V3_EXT_print(bp, ex, cflag, 16)) { 241 BIO_printf(bp, "%16s", ""); 242 ASN1_STRING_print(bp, ex->value); 243 } 244 if (BIO_write(bp, "\n", 1) <= 0) 245 goto err; 246 } 247 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 248 } 249 } 250 251 if (!(cflag & X509_FLAG_NO_SIGDUMP)) { 252 if (!X509_signature_print(bp, x->sig_alg, x->signature)) 253 goto err; 254 } 255 256 return (1); 257 258 err: 259 X509error(ERR_R_BUF_LIB); 260 return (0); 261 } 262 263 int 264 X509_REQ_print(BIO *bp, X509_REQ *x) 265 { 266 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 267 } 268