t_req.c revision bdfb8ad83da0647e9b9a32792598e8ce7ba3ef4d
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 { 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 91int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, 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; 110 111 112 ri=x->req_info; 113 if(!(cflag & X509_FLAG_NO_HEADER)) 114 { 115 if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err; 116 if (BIO_write(bp," Data:\n",10) <= 0) goto err; 117 } 118 if(!(cflag & X509_FLAG_NO_VERSION)) 119 { 120 neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":""; 121 l=0; 122 for (i=0; i<ri->version->length; i++) 123 { l<<=8; l+=ri->version->data[i]; } 124 if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg, 125 l) <= 0) 126 goto err; 127 } 128 if(!(cflag & X509_FLAG_NO_SUBJECT)) 129 { 130 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err; 131 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err; 132 if (BIO_write(bp,"\n",1) <= 0) goto err; 133 } 134 if(!(cflag & X509_FLAG_NO_PUBKEY)) 135 { 136 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0) 137 goto err; 138 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0) 139 goto err; 140 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 141 goto err; 142 if (BIO_puts(bp, "\n") <= 0) 143 goto err; 144 145 pkey=X509_REQ_get_pubkey(x); 146 if (pkey == NULL) 147 { 148 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 149 ERR_print_errors(bp); 150 } 151 else 152#ifndef OPENSSL_NO_RSA 153 if (pkey->type == EVP_PKEY_RSA) 154 { 155 BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","", 156 BN_num_bits(pkey->pkey.rsa->n)); 157 RSA_print(bp,pkey->pkey.rsa,16); 158 } 159 else 160#endif 161#ifndef OPENSSL_NO_DSA 162 if (pkey->type == EVP_PKEY_DSA) 163 { 164 BIO_printf(bp,"%12sDSA Public Key:\n",""); 165 DSA_print(bp,pkey->pkey.dsa,16); 166 } 167 else 168#endif 169#ifndef OPENSSL_NO_EC 170 if (pkey->type == EVP_PKEY_EC) 171 { 172 BIO_printf(bp, "%12sEC Public Key: \n",""); 173 EC_KEY_print(bp, pkey->pkey.ec, 16); 174 } 175 else 176#endif 177 BIO_printf(bp,"%12sUnknown Public Key:\n",""); 178 179 EVP_PKEY_free(pkey); 180 } 181 182 if(!(cflag & X509_FLAG_NO_ATTRIBUTES)) 183 { 184 /* may not be */ 185 if(BIO_printf(bp,"%8sAttributes:\n","") <= 0) 186 goto err; 187 188 sk=x->req_info->attributes; 189 if (sk_X509_ATTRIBUTE_num(sk) == 0) 190 { 191 if(BIO_printf(bp,"%12sa0:00\n","") <= 0) 192 goto err; 193 } 194 else 195 { 196 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) 197 { 198 ASN1_TYPE *at; 199 X509_ATTRIBUTE *a; 200 ASN1_BIT_STRING *bs=NULL; 201 ASN1_TYPE *t; 202 int j,type=0,count=1,ii=0; 203 204 a=sk_X509_ATTRIBUTE_value(sk,i); 205 if(X509_REQ_extension_nid(OBJ_obj2nid(a->object))) 206 continue; 207 if(BIO_printf(bp,"%12s","") <= 0) 208 goto err; 209 if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0) 210 { 211 if (a->single) 212 { 213 t=a->value.single; 214 type=t->type; 215 bs=t->value.bit_string; 216 } 217 else 218 { 219 ii=0; 220 count=sk_ASN1_TYPE_num(a->value.set); 221get_next: 222 at=sk_ASN1_TYPE_value(a->value.set,ii); 223 type=at->type; 224 bs=at->value.asn1_string; 225 } 226 } 227 for (j=25-j; j>0; j--) 228 if (BIO_write(bp," ",1) != 1) goto err; 229 if (BIO_puts(bp,":") <= 0) goto err; 230 if ( (type == V_ASN1_PRINTABLESTRING) || 231 (type == V_ASN1_T61STRING) || 232 (type == V_ASN1_IA5STRING)) 233 { 234 if (BIO_write(bp,(char *)bs->data,bs->length) 235 != bs->length) 236 goto err; 237 BIO_puts(bp,"\n"); 238 } 239 else 240 { 241 BIO_puts(bp,"unable to print attribute\n"); 242 } 243 if (++ii < count) goto get_next; 244 } 245 } 246 } 247 if(!(cflag & X509_FLAG_NO_EXTENSIONS)) 248 { 249 exts = X509_REQ_get_extensions(x); 250 if(exts) 251 { 252 BIO_printf(bp,"%8sRequested Extensions:\n",""); 253 for (i=0; i<sk_X509_EXTENSION_num(exts); i++) 254 { 255 ASN1_OBJECT *obj; 256 X509_EXTENSION *ex; 257 int j; 258 ex=sk_X509_EXTENSION_value(exts, i); 259 if (BIO_printf(bp,"%12s","") <= 0) goto err; 260 obj=X509_EXTENSION_get_object(ex); 261 i2a_ASN1_OBJECT(bp,obj); 262 j=X509_EXTENSION_get_critical(ex); 263 if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0) 264 goto err; 265 if(!X509V3_EXT_print(bp, ex, cflag, 16)) 266 { 267 BIO_printf(bp, "%16s", ""); 268 M_ASN1_OCTET_STRING_print(bp,ex->value); 269 } 270 if (BIO_write(bp,"\n",1) <= 0) goto err; 271 } 272 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 273 } 274 } 275 276 if(!(cflag & X509_FLAG_NO_SIGDUMP)) 277 { 278 if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err; 279 } 280 281 return(1); 282err: 283 X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB); 284 return(0); 285 } 286 287int X509_REQ_print(BIO *bp, X509_REQ *x) 288 { 289 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 290 } 291