crypto/asn1/t_req.c

   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
  67 #ifndef OPENSSL_NO_FP_API
  68 int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
  69         {
  70         BIO *b;
  71         int ret;
  72
  73         if ((b=BIO_new(BIO_s_file())) == NULL)
  74                 {
  75                 X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);
  76                 return(0);
  77                 }
  78         BIO_set_fp(b,fp,BIO_NOCLOSE);
  79         ret=X509_REQ_print(b, x);
  80         BIO_free(b);
  81         return(ret);
  82         }
  83 #endif
  84
  85 int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag)
  86         {
  87         unsigned long l;
  88         int i;
  89         const char *neg;
  90         X509_REQ_INFO *ri;
  91         EVP_PKEY *pkey;
  92         STACK_OF(X509_ATTRIBUTE) *sk;
  93         STACK_OF(X509_EXTENSION) *exts;
  94         char str[128];
  95         char mlch = ' ';
  96         int nmindent = 0;
  97
  98         if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
  99                 mlch = '\n';
 100                 nmindent = 12;
 101         }
 102
 103         if(nmflags == X509_FLAG_COMPAT)
 104                 nmindent = 16;
 105
 106
 107         ri=x->req_info;
 108         if(!(cflag & X509_FLAG_NO_HEADER))
 109                 {
 110                 if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err;
 111                 if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
 112                 }
 113         if(!(cflag & X509_FLAG_NO_VERSION))
 114                 {
 115                 neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
 116                 l=0;
 117                 for (i=0; i<ri->version->length; i++)
 118                         { l<<=8; l+=ri->version->data[i]; }
 119                 sprintf(str,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,l);
 120                 if (BIO_puts(bp,str) <= 0) goto err;
 121                 }
 122         if(!(cflag & X509_FLAG_NO_SUBJECT))
 123                 {
 124                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
 125                 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err;
 126                 if (BIO_write(bp,"\n",1) <= 0) goto err;
 127                 }
 128         if(!(cflag & X509_FLAG_NO_PUBKEY))
 129                 {
 130                 if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
 131                         goto err;
 132                 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
 133                         goto err;
 134                 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
 135                         goto err;
 136                 if (BIO_puts(bp, "\n") <= 0)
 137                         goto err;
 138
 139                 pkey=X509_REQ_get_pubkey(x);
 140                 if (pkey == NULL)
 141                         {
 142                         BIO_printf(bp,"%12sUnable to load Public Key\n","");
 143                         ERR_print_errors(bp);
 144                         }
 145                 else
 146 #ifndef OPENSSL_NO_RSA
 147                 if (pkey->type == EVP_PKEY_RSA)
 148                         {
 149                         BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
 150                         BN_num_bits(pkey->pkey.rsa->n));
 151                         RSA_print(bp,pkey->pkey.rsa,16);
 152                         }
 153                 else
 154 #endif
 155 #ifndef OPENSSL_NO_DSA
 156                 if (pkey->type == EVP_PKEY_DSA)
 157                         {
 158                         BIO_printf(bp,"%12sDSA Public Key:\n","");
 159                         DSA_print(bp,pkey->pkey.dsa,16);
 160                         }
 161                 else
 162 #endif
 163 #ifndef OPENSSL_NO_EC
 164                 if (pkey->type == EVP_PKEY_EC)
 165                 {
 166                         BIO_printf(bp, "%12sEC Public Key: \n","");
 167                         EC_KEY_print(bp, pkey->pkey.eckey, 16);
 168                 }
 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                 {
 178                 /* may not be */
 179                 sprintf(str,"%8sAttributes:\n","");
 180                 if (BIO_puts(bp,str) <= 0) goto err;
 181
 182                 sk=x->req_info->attributes;
 183                 if (sk_X509_ATTRIBUTE_num(sk) == 0)
 184                         {
 185                         sprintf(str,"%12sa0:00\n","");
 186                         if (BIO_puts(bp,str) <= 0) goto err;
 187                         }
 188                 else
 189                         {
 190                         for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
 191                                 {
 192                                 ASN1_TYPE *at;
 193                                 X509_ATTRIBUTE *a;
 194                                 ASN1_BIT_STRING *bs=NULL;
 195                                 ASN1_TYPE *t;
 196                                 int j,type=0,count=1,ii=0;
 197
 198                                 a=sk_X509_ATTRIBUTE_value(sk,i);
 199                                 if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
 200                                                                         continue;
 201                                 sprintf(str,"%12s","");
 202                                 if (BIO_puts(bp,str) <= 0) goto err;
 203                                 if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
 204                                 {
 205                                 if (a->single)
 206                                         {
 207                                         t=a->value.single;
 208                                         type=t->type;
 209                                         bs=t->value.bit_string;
 210                                         }
 211                                 else
 212                                         {
 213                                         ii=0;
 214                                         count=sk_ASN1_TYPE_num(a->value.set);
 215 get_next:
 216                                         at=sk_ASN1_TYPE_value(a->value.set,ii);
 217                                         type=at->type;
 218                                         bs=at->value.asn1_string;
 219                                         }
 220                                 }
 221                                 for (j=25-j; j>0; j--)
 222                                         if (BIO_write(bp," ",1) != 1) goto err;
 223                                 if (BIO_puts(bp,":") <= 0) goto err;
 224                                 if (    (type == V_ASN1_PRINTABLESTRING) ||
 225                                         (type == V_ASN1_T61STRING) ||
 226                                         (type == V_ASN1_IA5STRING))
 227                                         {
 228                                         if (BIO_write(bp,(char *)bs->data,bs->length)
 229                                                 != bs->length)
 230                                                 goto err;
 231                                         BIO_puts(bp,"\n");
 232                                         }
 233                                 else
 234                                         {
 235                                         BIO_puts(bp,"unable to print attribute\n");
 236                                         }
 237                                 if (++ii < count) goto get_next;
 238                                 }
 239                         }
 240                 }
 241         if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
 242                 {
 243                 exts = X509_REQ_get_extensions(x);
 244                 if(exts)
 245                         {
 246                         BIO_printf(bp,"%8sRequested Extensions:\n","");
 247                         for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
 248                                 {
 249                                 ASN1_OBJECT *obj;
 250                                 X509_EXTENSION *ex;
 251                                 int j;
 252                                 ex=sk_X509_EXTENSION_value(exts, i);
 253                                 if (BIO_printf(bp,"%12s","") <= 0) goto err;
 254                                 obj=X509_EXTENSION_get_object(ex);
 255                                 i2a_ASN1_OBJECT(bp,obj);
 256                                 j=X509_EXTENSION_get_critical(ex);
 257                                 if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0)
 258                                         goto err;
 259                                 if(!X509V3_EXT_print(bp, ex, 0, 16))
 260                                         {
 261                                         BIO_printf(bp, "%16s", "");
 262                                         M_ASN1_OCTET_STRING_print(bp,ex->value);
 263                                         }
 264                                 if (BIO_write(bp,"\n",1) <= 0) goto err;
 265                                 }
 266                         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 267                         }
 268                 }
 269
 270         if(!(cflag & X509_FLAG_NO_SIGDUMP))
 271                 {
 272                 if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;
 273                 }
 274
 275         return(1);
 276 err:
 277         X509err(X509_F_X509_REQ_PRINT,ERR_R_BUF_LIB);
 278         return(0);
 279         }
 280
 281 int X509_REQ_print(BIO *bp, X509_REQ *x)
 282         {
 283         return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
 284         }