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